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Overview
Comment:Added more documentation Renamed the cookieSet method to httpdCookieSet, and moved it to httpd.meta Moved httpdHostName it to httpd.meta Implemented logins using encrypted password hashes Added a module to store javascript password hashing routines. Added a "cat" command to dump files Added the pageHeader and pageFooter methods to httpd.meta Community and its decendents now render pages in bootstrap/jquery. Added jquery to our bootstrap distribution
Timelines: family | ancestors | descendants | both | 4_0
Files: files | file ages | folders
SHA1: 80751cdeac4cce1e95c83cb39e7e6dd09e917654
User & Date: hypnotoad 2015-04-03 07:35:02.876
Context
2015-05-14
10:31
Converted the last of the lassign-brent calls to straight-up lassign Adapted the http::compat to be user selectable as far as how far back we intend to support Adding a qwiki object called MAIN to the default httpd thread Fixed the examples of Taourl so far to now employ the "puts" to buffer architecture. Merging in upsteam changes from tao Broke out the base security system and urls into layers Leaf check-in: ffc189660f user: hypnotoad tags: 4_0
2015-04-03
07:35
Added more documentation Renamed the cookieSet method to httpdCookieSet, and moved it to httpd.meta Moved httpdHostName it to httpd.meta Implemented logins using encrypted password hashes Added a module to store javascript password hashing routines. Added a "cat" command to dump files Added the pageHeader and pageFooter methods to httpd.meta Community and its decendents now render pages in bootstrap/jquery. Added jquery to our bootstrap distribution check-in: 80751cdeac user: hypnotoad tags: 4_0
07:30
Added the pageHeader and pageFooter methods to httpd.meta Community and its decendents now render pages in bootstrap/jquery. Leaf check-in: 6174565fef user: hypnotoad tags: private
2015-04-02
15:43
Adding markdown documentation into the source repo check-in: 001675d4e9 user: hypnotoad tags: 4_0
Changes
Unified Diff Ignore Whitespace Patch
Changes to bin/test/qwiki.tcl.
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# Configure the auto_path so we can find the script library.
# home is the directory containing this script

set home [string trimright [file dirname [info script]] ./]
set home [file normalize [file join [pwd] $home ..]]
set Config(lib) [file join $home .. modules]

source $home/test/common.tcl

###
# Begin the test
###
package require httpd::qwiki

tao::class qwikitest {
  superclass httpd.qwiki

  ###
  # title: Implement html content at a toplevel
  ###
  method /html {} {
    my variable result
    array set result {
      code 200
      type text/html
    }

    set body {
<HTML><BODY>
Hello World!
<p>
    }
    if {[info exists result(userid)]} {
      append body "Logged in as user: $result(userid)<br>"
    }
    if {[info exists result(sessionid)]} {
      append body "Logged with session: $result(sessionid)<br>"
    }
    append body {
Try the following links:
<ul>
    }
    set prefix [my cget virtual]
    foreach {url comment} {
      errorurl {Throw an internal error from Tcl}
      deadurl  {Page that generates a 505 error}
      suburl   {Valid Suburl}
      missing  {Non-existent url}


    } {
      append body "<li><a href=$prefix/$url>$url</a> - $comment</li>"
    }
    append body {
</ul>
</BODY></HTML>
}
    set result(body) $body
  }

  method /html/errorurl {} {
    error "Die Yuppie Scum!"
  }

  method /html/deadurl {} {
    my variable result

    array set result {
      code 501
      body {
<HTML><BODY>
I threw an error this way
</BODY></HTML>
}
      content-type text/html
    }

  }

  ###
  # title: Implement html content at a toplevel
  ###
  method /html/suburl {} {
    my variable result
    array set result {
      code 200
      body {
<HTML><BODY>
Sub Url
</BODY></HTML>
}
      type text/html
    }
  }

  ###
  # title: Implement html content at a toplevel
  ###
  method /html/default {} {
    my variable result

    array set result {
      code 404
      body {
<HTML><BODY>
Not Found
</BODY></HTML>
}
      type text/html
    }
  }
}

qwikitest create HOME /home {db {}}

vwait forever
if 0 {
# Start up the user interface and event loop.
package require Tk
package require httpd::srvui
package require httpd::stdin








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# Configure the auto_path so we can find the script library.
# home is the directory containing this script

set home [string trimright [file dirname [info script]] ./]
set home [file normalize [file join [pwd] $home ..]]
set Config(lib) [file join $home .. modules]
set Config(dbfile) [file join $home test qwiki.sqlite]
source $home/test/common.tcl

###
# Begin the test
###
package require httpd::qwiki

tao::class qwikitest {
  superclass httpd.qwiki

  ###
  # title: Implement html content at a toplevel
  ###
  method /html {} {
    my variable result
    my reset

    set result(title) {Welcome to Qwiki!}

    my puts [my pageHeader]
    my puts {

Hello World!
<p>
    }

    my puts "Logged in as user: [dict getnull $result(session) username]<br>"

    if {[info exists result(sessionid)]} {
      my puts "Logged with session: $result(sessionid)<br>"
    }
    my puts {
Try the following links:
<ul>
    }
    set prefix [my cget virtual]
    foreach {url comment} {
      errorurl {Throw an internal error from Tcl}
      deadurl  {Page that generates a 505 error}
      suburl   {Valid Suburl}
      missing  {Non-existent url}
      login    {Log In}
      logout   {Log Out}
    } {
      my puts "<li><a href=$prefix/$url>$url</a> - $comment</li>"
    }
    my puts {
</ul>
</BODY></HTML>
}

  }

  method /html/errorurl {} {
    error "Die Yuppie Scum!"
  }

  method /html/deadurl {} {
    my variable result
    my reset
    set result(code) 501
    my puts [my pageHeader]
    my puts {

I threw an error this way

    }


    my puts [my pageFooter]
  }

  ###
  # title: Implement html content at a toplevel
  ###
  method /html/suburl {} {
    my variable result
    my reset
    my puts [my pageHeader]
    my puts {

This is a suburl!

    }
    my puts [my pageFooter]

  }

  ###
  # title: Implement html content at a toplevel
  ###
  method /html/default {} {
    my variable result
    my reset
    set result(code) 404
    my puts [my pageHeader]
    my puts {

Not Found

    }
    my puts [my pageFooter]

  }
}

qwikitest create HOME /home [list dbfile [Config dbfile]]

vwait forever
if 0 {
# Start up the user interface and event loop.
package require Tk
package require httpd::srvui
package require httpd::stdin
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Added modules/bootstrap/js/jquery.min.js. 










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/*! jQuery v2.1.3 | (c) 2005, 2014 jQuery Foundation, Inc. | jquery.org/license */
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Added modules/community/acl.md.
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*httpd.community* is a decendent of [httpd.taourl](wiki?taourl). It adds an sqlite based user, group, and access control system. It is implemented in [community.tcl](finfo?name=modules/community/community.tcl).






## Required Packages

Community relies on the following external packages:

* sha1 from [tcllib](http://core.tcl.tk/tcllib)
* sqlite3 from [sqlite](http://www.sqlite.org)

Community uses the following internal packages:

* tao from [tao](../tao/tao.md)
* tao-sqlite [tao-sqlite](../tao-sqlite/tao-sqlite.md)





## Options

* dbfile - Path to a file which stores the sqlite database for the community (default in-memory)
* virtual - Root Url of this object.

## Attached Objects

Community objects (and their derived classes) contain an embedded sqlite
database. This database can be accessed via that \<db\> method.

































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*httpd.community* is a decendent of . It adds an sqlite based user, group, and access control system. It is implemented in [community.tcl](finfo?name=modules/community/community.tcl).

## Ancestors

* [httpd.taourl](../directoo/taourl.md)
* [yggdrasil](../tao-sqlite/yggdrasil.md)

## Required Packages

Community relies on the following external packages:

* sha1 from [tcllib](http://core.tcl.tk/tcllib)
* sqlite3 from [sqlite](http://www.sqlite.org)

Community uses the following internal packages:

* tao from [tao](../tao/tao.md)
* tao-sqlite [tao-sqlite](../tao-sqlite/tao-sqlite.md)

## Properties

* create\_sql - An SQL script that implements the schema

## Options

* dbfile - Path to a file which stores the sqlite database for the community (default in-memory)
* virtual - Root Url of this object.

## Attached Objects

Community objects (and their derived classes) contain an embedded sqlite
database. This database can be accessed via that \<db\> method.

## Methods

### method Database\_Functions

Adds the following functions to the database:

* uuid\_generate() - Generates sha1 UUIDs on demand
* sha1() - Returns the SHA1 hash of the input

### aclAccessTypes

Returns a list of all possible rights.

### aclRights *aclname* *user\_or\_group\_id*

Return a list of rights that the user or group to the access control list (specified by name.)

### method httpdSessionLoad *sock* *prefix* *suffix*

This method looks for a sessionid cookie or a sessionid field in the GET or POST query, and
pairs it with a session in the *session* table. If no session is found, a new session is generated
for an anonymous user.

### method httpdSessionSave *sock*

This method compares the current value of **result\(session\)** to **result\(session\_delta\)** (a copy
of the session when the pageview began. Fields that are in the delta, but not in the current session are delete
from **session\_property**. Fields that are present in the session but not the delta are inserted into
**session\_property**. Fields present in both, but with a different value, are updated.

The server will generate a cookie called **sessionid** which will be loaded on the next page view.
Changes to modules/community/community.tcl. 
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###
# Facilities for user, group, and community management
###
package require tao
package require sqlite3
package require tao-sqlite
package require md5 2
package require sha1 2

package require httpd::taourl
package require httpd::cookie	;# Cookie_GetSock Cookie_Make
package require httpd::doc	;# Doc_Root
package require httpd::utils	;# Stderr file iscommand randomx



tao::class httpd.community {  
  superclass httpd.taourl taodb::yggdrasil
  
  option virtual {}
  option dbfile {}







  method initialize {} {
    if {[my cget dbfile] eq {}} {
      my configure dbfile :memory:
    }
    my Database_Attach [my cget dbfile]





  }

  ###
  # This class extents the yggdrasil schema to
  # include session management, user management,
  # and access control lists
  ###














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###
# Facilities for user, group, and community management
###
package require tao
package require sqlite3
package require tao-sqlite
package require md5 2
package require sha1 2

package require httpd::taourl
package require httpd::cookie	;# Cookie_GetSock Cookie_Make
package require httpd::doc	;# Doc_Root
package require httpd::utils	;# Stderr file iscommand randomx
package require httpd::jshash   ;# Javascript password hashes
package require httpd::bootstrap

tao::class httpd.community {  
  superclass httpd.taourl taodb::yggdrasil
  
  option virtual {}
  option dbfile {}
  option community-id {}

  set dir [file dirname [file normalize [info script]]]
  foreach jsfile [glob -nocomplain [file join $dir *.js]] {
    property js [file tail $jsfile] [cat $jsfile]
  }

  method initialize {} {
    if {[my cget dbfile] eq {}} {
      my configure dbfile :memory:
    }
    my Database_Attach [my cget dbfile]
    my configurelist [my <db> eval {select name,value from config}]
    if {[my cget community-id] eq {}} {
      my configure community-id [::tao::uuid_generate]
    }
    my variable config
  }

  ###
  # This class extents the yggdrasil schema to
  # include session management, user management,
  # and access control lists
  ###
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userid    string references users (userid) ON UPDATE CASCADE ON DELETE SET NULL,
grant     int default 1,
right     text,
UNIQUE (acl_name,userid,right)
);

--- POPULATE WITH DATA ---


insert into users(userid,username,password) VALUES ('local.webmaster','webmaster',sha1('local.webmaster'||'password'));
insert into users(userid,username,password) VALUES ('local.anonymous','anonymous','');

insert into groups(groupid,groupname) VALUES ('local.wheel','wheel');
insert into group_members(userid,groupid) VALUES ('local.webmaster','local.wheel');

insert into acl (acl_name) VALUES ('admin');
insert into acl_grants (acl_name,userid,grant,right) VALUES ('admin','local.wheel',1,'all');

insert into acl (acl_name) VALUES ('default');
insert into acl_grants (acl_name,userid,grant,right) VALUES ('default',NULL,1,'view');

  }

  method Database_Functions {} {
    set seed [info hostname]
    my <db> function uuid_generate ::tao::uuid_generate
    my <db> function sha1    {::sha1::sha1 -hex}
  }

  method accessTypes {} {
    set accessTypes {admin edit view}
    foreach type [my <db> eval "select distinct right from acl_grants order by right"] {
        logicset add accessTypes $type
    }     
    return $accessTypes    
  }

  method aclRights {aclname userid} {
    set parentlist {}
    set thisnode $aclname
    
    while 1 {








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userid    string references users (userid) ON UPDATE CASCADE ON DELETE SET NULL,
grant     int default 1,
right     text,
UNIQUE (acl_name,userid,right)
);

--- POPULATE WITH DATA ---
insert into config(name,value) VALUES ('community-id',uuid_generate());

insert into users(userid,username,password) VALUES ('local.webmaster','webmaster',sha1((select value from config where name='community-id')||'password'));
insert into users(userid,username,password) VALUES ('local.anonymous','anonymous','');

insert into groups(groupid,groupname) VALUES ('local.wheel','wheel');
insert into group_members(userid,groupid) VALUES ('local.webmaster','local.wheel');

insert into acl (acl_name) VALUES ('admin');
insert into acl_grants (acl_name,userid,grant,right) VALUES ('admin','local.wheel',1,'all');

insert into acl (acl_name) VALUES ('default');
insert into acl_grants (acl_name,userid,grant,right) VALUES ('default',NULL,1,'view');

  }

  method Database_Functions {} {
    set seed [info hostname]
    my <db> function uuid_generate ::tao::uuid_generate
    my <db> function sha1    {::sha1::sha1 -hex}
  }

  method aclAccessTypes {} {
    set aclAccessTypes {admin edit view}
    foreach type [my <db> eval "select distinct right from acl_grants order by right"] {
        logicset add aclAccessTypes $type
    }     
    return $aclAccessTypes    
  }

  method aclRights {aclname userid} {
    set parentlist {}
    set thisnode $aclname
    
    while 1 {
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          if { $right == "all" } { 
              set rights {}
          } else {
              logicset remove rights $right
          }
      } else {
        if { $right eq "all" } {
          logicset add rights {*}[my accessTypes]
        } else {
          logicset add rights $right
        }
      }
    }
    
    foreach p $parentlist {
        set stmt "select right,grant from acl_grants where \
  acl_name=:p and userid=:userid or userid=(select username from users where userid=:userid) or userid in (select groupid from group_members where userid=:userid);
  "
      foreach {right grant} [my <db> eval $stmt] {
        if { $grant == "0"} {
            if { $right == "all" } { 
                set rights {}
            } else {
                logicset remove rights $right
            }
        } else {
          if { $right eq "all" } {
            logicset add rights {*}[my accessTypes]
          } else {
            logicset add rights $right
          }
        }
      }
    }
    return $rights
  }
  

  method httpdSessionLoad {sock prefix suffix} {
    my variable result
    array set result {
      code 200
      date  0
      header {}
      footer {}








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          if { $right == "all" } { 
              set rights {}
          } else {
              logicset remove rights $right
          }
      } else {
        if { $right eq "all" } {
          logicset add rights {*}[my aclAccessTypes]
        } else {
          logicset add rights $right
        }
      }
    }
    
    foreach p $parentlist {
        set stmt "select right,grant from acl_grants where \
  acl_name=:p and userid=:userid or userid=(select username from users where userid=:userid) or userid in (select groupid from group_members where userid=:userid);
  "
      foreach {right grant} [my <db> eval $stmt] {
        if { $grant == "0"} {
            if { $right == "all" } { 
                set rights {}
            } else {
                logicset remove rights $right
            }
        } else {
          if { $right eq "all" } {
            logicset add rights {*}[my aclAccessTypes]
          } else {
            logicset add rights $right
          }
        }
      }
    }
    return $rights
  }
  

  method httpdSessionLoad {sock prefix suffix} {
    my variable result
    array set result {
      code 200
      date  0
      header {}
      footer {}
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        set result(userid) [my <db> one $stmt]
        set result(session) [my <db> eval {select field,value from session_property where sesid=:value}]
        set result(session_delta) $result(session)
        return
      }
    }
    if {![info exists result(userid)]} {
      set result(userid) [my <db> one {select userid from users where name='anonymous'}]

    }
    set expdate  [expr {14*86400}]
    set expires [expr {[clock seconds]+$expdate}]]
    if {![info exists result(sessionid)]} {
      # Generate a session
      set sesid [::tao::uuid_generate]
      set result(sessionid) $sesid
      my <db> eval {insert into session(sesid,userid,expires) VALUES (:sesid,:result(userid),:expires)}
    } else {
      my <db> eval {update session set expires=:expires where sesid=:sesid;}
    }
    my cookieSet session $result(sessionid) $expdate
  }
  
  method cookieSet {field value {expire {}}} {
    foreach host [my httpdHostName] {
      if { $host eq "localhost" } { set host {} }
      set cookie_args [list -name $field \
        -value $value \
        -domain $host \
        -path [my cget virtual]]
      if {[string is integer expire]} {
        lappend cookie_args -expires [clock format [expr [clock seconds] + [set expire]] -format "%Y-%m-%d"]
      }
      ::Cookie_Set {*}$cookie_args
    }
  }
  
  method httpdHostName {} {
    my variable env
    return [lindex [split [get env(HTTP_HOST)] :] 0]
  }
  
  method httpdSessionSave sock {
    # Save any return cookies which have been set.
    # This works with the Doc_SetCookie procedure that populates
    # the global cookie array.
    
    ::Cookie_Save $sock
    if {![info exists result(sessionid)]} return








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        set result(userid) [my <db> one $stmt]
        set result(session) [my <db> eval {select field,value from session_property where sesid=:value}]
        set result(session_delta) $result(session)
        return
      }
    }
    if {![info exists result(userid)]} {
      set result(userid) local.anonymous
      dict set result(session) username anonymous
    }
    set expdate  [expr {14*86400}]
    set expires [expr {[clock seconds]+$expdate}]]
    if {![info exists result(sessionid)]} {
      # Generate a session
      set sesid [::tao::uuid_generate]
      set result(sessionid) $sesid
      my <db> eval {insert into session(sesid,userid,expires) VALUES (:sesid,:result(userid),:expires)}
    } else {
      my <db> eval {update session set expires=:expires where sesid=:sesid;}
    }
    my httpdCookieSet session $result(sessionid) $expdate
  }
    



















  method httpdSessionSave sock {
    # Save any return cookies which have been set.
    # This works with the Doc_SetCookie procedure that populates
    # the global cookie array.
    
    ::Cookie_Save $sock
    if {![info exists result(sessionid)]} return
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      }
      foreach {field value} $delete {
        my <db> eval {delete from session_property where sesid=:sessionid and field=:field;}
      }
      my <db> eval "COMMIT"
    }
  }
}


























































































































package provide httpd::community 0.1








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      }
      foreach {field value} $delete {
        my <db> eval {delete from session_property where sesid=:sessionid and field=:field;}
      }
      my <db> eval "COMMIT"
    }
  }
  
  method pageHeader {} {
    return {
<HTML>
<HEAD>
    <TITLE>@TITLE@</TITLE>
    <link rel="stylesheet" href="/bootstrap/css/bootstrap.min.css">
</HEAD>
<BODY>
    }
  }
  
  method pageFooter {} {
    return {
<script type="text/javascript" src="/bootstrap/js/bootstrap.min.js"></script>
<script type="text/javascript" src="/bootstrap/js/jquery.min.js"></script>
</BODY></HTML>
    }
  }

  method /html/logout {} {
    my variable result
    set sesid $result(sessionid)
    my <db> eval {
update session set userid='local.anonymous' where sesid=:sesid;
delete from session_property where sesid=:sesid;
}
    dict set result(session) username anonymous
    dict set result(session) userid local.anonymous
    set result(message) {You have been logged out}
    my /html/login
  }
  
  method /html/login {} {
    my variable result
    
    my reset
    my puts <html>
    my puts {
  <head>
    <link rel="stylesheet" href="/bootstrap/css/bootstrap.min.css">
    <script type="text/javascript" src="/bootstrap/js/bootstrap.min.js"></script>
    <script type="text/javascript" src="/bootstrap/js/jquery.min.js"></script>
    <TITLE>Log In</TITLE>
    <script type="text/javascript" src="/jshash/sha1-min.js"></script>
    <script type="text/javascript">  
function login() {
  
    var p = hex_sha1(document.getElementById('key').value+document.getElementById('pass').value);  
    var k = document.getElementById('sesid').value;  

    var h = hex_sha1(k+p);  
    var hash = document.getElementById('hash');  
    hash.value = h;
    var f = document.getElementById('finalform');  
    f.submit();  
}  
    </script>
  </head>
    }    
    my puts {
  <body>
    }
    set msg [get result(message)]
    if { $msg ne {} } {
      my puts "<pre><font color=�red� face=�sans-serif� size=�1�>$msg</font></pre><hr>"
    }
    my puts {
<table>
<form action="authenticate" method="post" id="finalform">
<tr><th>Username:</th><td><input name="uid" id="uid" /></td></tr>
<input type="hidden" name="hash" id="hash" />  
</form>
    }
    my puts {<form action="javascript:login()" method="post" >}
    my puts "<input type=\"hidden\" id=\"key\" value=\"[my cget community-id]\" />"  
    my puts "<input type=\"hidden\" id=\"sesid\" value=\"$result(sessionid)\" />"  
    my puts {
<tr><th>Password:</th><td><input type="password" id="pass" /></td></tr>
<tr><th>&nbsp</th></th><td><input type="submit" value="Log In" /></td></tr>
</table>
    </form>  

  </body>
    }
    my puts </html>
  }

  method /html/authenticate {} {
    my variable result
    foreach {field value} $result(query) {
      if {$field eq "uid"} {
        set username $value
        foreach {field value} $result(query) {
          if {$field eq "hash"} {
            set passhash [my <db> one {select password from users where username=:username}]
            set realhash [::sha1::sha1 -hex "$result(sessionid)$passhash"]
            if { $realhash eq $value } {
              set userid [my <db> one {select username from users where username=:username}]
              my <db> eval {update session set userid=:userid where sesid=:result(sessionid)}
              dict set result(session) username $username
              dict set result(session) userid $userid

              set root [my cget virtual]
              my puts "<HTML><HEAD><META HTTP-EQUIV=\"Refresh\" CONTENT=\"1; URL=$root\"></HEAD>"
              my puts {
<BODY>
You are now being logged in. You will be redirected in a moment.
<p>
              }
              my puts "<A href=\$root\>Home...</a>"
              my puts </BODY></HTML>
              return
            }
          }
        }
      }
    }
    set result(message) {Password or Username was incorrect or invalid.}
    my /html/login
  }
}

package provide httpd::community 0.1
Changes to modules/directoo/directoo.md.
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* code - HTTP code to return (default 400)
* body - The block of data to be sent via *Httpd_ReturnData* or *Httpd_ReturnCacheableData* at the conclusion of the operation.
* content-type - The type of content in *block* (default text/html)

## Methods

### configurelist *keyvaluelist*

Pass configuration items as a key/value list.

### cget *field*

Retrieve the value of a configuration item

### /html

A method which implements the default root page of the object.

### initialize

A method which is called in the constructor, after the configuration items have been applied and the domain registered with Tclhttpd.















### httpdDirect *sock* *suffix*

This method is the first called when resolving a dynamic page. It calles *httpdSessionLoad* to load the session, *httpdMarshalArguments* do compute the method to call. On error, this method returns an error message. On success it calls *httpdSessionSave*, before sending the resulting data out to TclHttpd via the *Httpd_ReturnData* or *Httpd_ReturnCacheableData* procs.

### httpdMarshalArguments *sock* *suffix*

Calculate the command which will implement the current page view.

### httpdSessionLoad *sock *prefix* *suffix*

Initializes the *result* variable, and load session data from either cookies or the incoming GET/POST query. This method also calls the *Cgi_SetEnv* and *Url_QuerySetup* procs from Tclhttpd. Rather than populate the global *env* variable, Cgi_SetEnv populates the private *env* variable for this object.

### httpdSessionSave *sock*

Updates the current session, and writes cookies back to the browser.

### reset

Reset the current value of result(body)

### puts

Append to the value of result(body). Accepts multiple arguments. An implied \n is appended at the tail end.

### unknown *args*

Handler for unknown, incomplete, or invalid queries.








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* code - HTTP code to return (default 400)
* body - The block of data to be sent via *Httpd_ReturnData* or *Httpd_ReturnCacheableData* at the conclusion of the operation.
* content-type - The type of content in *block* (default text/html)

## Methods

### method configurelist *keyvaluelist*

Pass configuration items as a key/value list.

### method cget *field*

Retrieve the value of a configuration item

### /html

A method which implements the default root page of the object.

### method initialize

A method which is called in the constructor, after the configuration items have been applied and the domain registered with Tclhttpd.

### method httpdCookieSet *field* *value* *?expire?*

Set a cookie named *field* and value of *value*. If *expire* is a postitive integer,
it indicates how long (in seconds) this cookie should last.

Note: Cookies destined for "localhost" are mapped to null so
browser will honor them properly.

### method httpdHostName

Return the host name by which this page was accessed. Derived
from env\(HTTP\_HOST\).


### method httpdDirect *sock* *suffix*

This method is the first called when resolving a dynamic page. It calles *httpdSessionLoad* to load the session, *httpdMarshalArguments* do compute the method to call. On error, this method returns an error message. On success it calls *httpdSessionSave*, before sending the resulting data out to TclHttpd via the *Httpd_ReturnData* or *Httpd_ReturnCacheableData* procs.

### method httpdMarshalArguments *sock* *suffix*

Calculate the command which will implement the current page view.

### method httpdSessionLoad *sock *prefix* *suffix*

Initializes the *result* variable, and load session data from either cookies or the incoming GET/POST query. This method also calls the *Cgi_SetEnv* and *Url_QuerySetup* procs from Tclhttpd. Rather than populate the global *env* variable, Cgi_SetEnv populates the private *env* variable for this object.

### method httpdSessionSave *sock*

Updates the current session, and writes cookies back to the browser.

### method reset

Reset the current value of result(body)

### method puts

Append to the value of result(body). Accepts multiple arguments. An implied \n is appended at the tail end.

### method unknown *args*

Handler for unknown, incomplete, or invalid queries.
Changes to modules/directoo/directoo.tcl.
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oo::class create httpd.meta {
  
  destructor {
    catch {::Url_PrefixRemove [my cget virtual]}
  }
  
  method initialize {} {}




















  # This calls out to the Tcl procedure named "$prefix$suffix",
  # with arguments taken from the form parameters.
  # Example:
  # httpdDirect /device Device
  # if the URL is /device/a/b/c, then the Tcl command to handle it
  # should be
  # [self] /html/Device/a/b/c








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oo::class create httpd.meta {
  
  destructor {
    catch {::Url_PrefixRemove [my cget virtual]}
  }
  
  method initialize {} {}
  
  method httpdCookieSet {field value {expire {}}} {
    foreach host [my httpdHostName] {
      if { $host eq "localhost" } { set host {} }
      set cookie_args [list -name $field \
        -value $value \
        -domain $host \
        -path [my cget virtual]]
      if {[string is integer expire]} {
        lappend cookie_args -expires [clock format [expr [clock seconds] + [set expire]] -format "%Y-%m-%d"]
      }
      ::Cookie_Set {*}$cookie_args
    }
  }

  method httpdHostName {} {
    my variable env
    return [lindex [split [get env(HTTP_HOST)] :] 0]
  }
  
  # This calls out to the Tcl procedure named "$prefix$suffix",
  # with arguments taken from the form parameters.
  # Example:
  # httpdDirect /device Device
  # if the URL is /device/a/b/c, then the Tcl command to handle it
  # should be
  # [self] /html/Device/a/b/c
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  method httpdDirect {sock suffix} {
    global env
    upvar #0 Httpd$sock data
    my variable result
    set prefix [my cget virtual]
    my httpdSessionLoad $sock $prefix $suffix
    set cmd [my httpdMarshalArguments $sock $suffix]
    ::Stderr $cmd
    # Eval the command.  Errors can be used to trigger redirects.

    if [catch $cmd] {
      set result(code) 505
      set result(body) "<HTML><BODY>Error: <PRE><VERBATIM>$::errorInfo</VERBATIM></PRE></BODY></HTML>"
      set result(content-type) text/html 
    }








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  method httpdDirect {sock suffix} {
    global env
    upvar #0 Httpd$sock data
    my variable result
    set prefix [my cget virtual]
    my httpdSessionLoad $sock $prefix $suffix
    set cmd [my httpdMarshalArguments $sock $suffix]

    # Eval the command.  Errors can be used to trigger redirects.

    if [catch $cmd] {
      set result(code) 505
      set result(body) "<HTML><BODY>Error: <PRE><VERBATIM>$::errorInfo</VERBATIM></PRE></BODY></HTML>"
      set result(content-type) text/html 
    }
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      }
      404 {
        ::Doc_NotFound $sock
        return
      }
      302 {
        # Redirect.
        ::Httpd_Redirect $result $sock
        return
      }
      default {

        if {$result(date)} {
          ::Httpd_ReturnCacheableData $sock $result(content-type) $result(body) $result(date) $result(code)
        } else {
          ::Httpd_ReturnData $sock $result(content-type) $result(body) $result(code)
        }
        return
      }
    }
  }
  
  method httpdSessionLoad {sock prefix suffix} {
    my variable result
    array set result {
      code 200
      date  0
      header {}
      footer {}
      body {}

      content-type text/html
    }
    set result(sock) $sock
    set result(datavar) ::Httpd$sock 

    # Set up the environment a-la CGI.
    ::Cgi_SetEnv $sock $prefix$suffix [my varname env]








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      }
      404 {
        ::Doc_NotFound $sock
        return
      }
      302 {
        # Redirect.
        ::Httpd_Redirect $result(redirect) $sock
        return
      }
      default {
        set body [string map [list @TITLE@ $result(title)] $result(body)]
        if {$result(date)} {
          ::Httpd_ReturnCacheableData $sock $result(content-type) $body $result(date) $result(code)
        } else {
          ::Httpd_ReturnData $sock $result(content-type) $body $result(code)
        }
        return
      }
    }
  }
  
  method httpdSessionLoad {sock prefix suffix} {
    my variable result
    array set result {
      code 200
      date  0
      title {}

      body {}
      redirect {}
      content-type text/html
    }
    set result(sock) $sock
    set result(datavar) ::Httpd$sock 

    # Set up the environment a-la CGI.
    ::Cgi_SetEnv $sock $prefix$suffix [my varname env]
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  }
  
  ###
  # title: Implement html content at a toplevel
  ###
  method /html {} {
    my variable result
    array set result {







      code 200
      body {


<HTML><BODY>







Hello World




</BODY></HTML>
}
      content-type text/html
    }
  }
}








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  }
  
  ###
  # title: Implement html content at a toplevel
  ###
  method /html {} {
    my variable result
    set result(title) {Welcome!}
    my reset
    my puts [my pageHeader]
    my puts {
Hello World
    }
    my puts [my pageFooter]
  }
  

  method pageHeader {} {
    return {
<HTML>
<HEAD>
    <TITLE>@TITLE@</TITLE>
    <link rel="stylesheet" href="/bootstrap/css/bootstrap.min.css">
</HEAD>
<BODY>
    }
  }
  
  method pageFooter {} {
    return {
<script type="text/javascript" src="/bootstrap/js/bootstrap.min.js"></script>
<script type="text/javascript" src="/bootstrap/js/jquery.min.js"></script>
</BODY></HTML>
    }

  }

}
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/*
 * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
 * Digest Algorithm, as defined in RFC 1321.
 * Version 2.2 Copyright (C) Paul Johnston 1999 - 2009
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for more info.
 */
var hexcase=0;function hex_md5(a){return rstr2hex(rstr_md5(str2rstr_utf8(a)))}function hex_hmac_md5(a,b){return rstr2hex(rstr_hmac_md5(str2rstr_utf8(a),str2rstr_utf8(b)))}function md5_vm_test(){return hex_md5("abc").toLowerCase()=="900150983cd24fb0d6963f7d28e17f72"}function rstr_md5(a){return binl2rstr(binl_md5(rstr2binl(a),a.length*8))}function rstr_hmac_md5(c,f){var e=rstr2binl(c);if(e.length>16){e=binl_md5(e,c.length*8)}var a=Array(16),d=Array(16);for(var b=0;b<16;b++){a[b]=e[b]^909522486;d[b]=e[b]^1549556828}var g=binl_md5(a.concat(rstr2binl(f)),512+f.length*8);return binl2rstr(binl_md5(d.concat(g),512+128))}function rstr2hex(c){try{hexcase}catch(g){hexcase=0}var f=hexcase?"0123456789ABCDEF":"0123456789abcdef";var b="";var a;for(var d=0;d<c.length;d++){a=c.charCodeAt(d);b+=f.charAt((a>>>4)&15)+f.charAt(a&15)}return b}function str2rstr_utf8(c){var b="";var d=-1;var a,e;while(++d<c.length){a=c.charCodeAt(d);e=d+1<c.length?c.charCodeAt(d+1):0;if(55296<=a&&a<=56319&&56320<=e&&e<=57343){a=65536+((a&1023)<<10)+(e&1023);d++}if(a<=127){b+=String.fromCharCode(a)}else{if(a<=2047){b+=String.fromCharCode(192|((a>>>6)&31),128|(a&63))}else{if(a<=65535){b+=String.fromCharCode(224|((a>>>12)&15),128|((a>>>6)&63),128|(a&63))}else{if(a<=2097151){b+=String.fromCharCode(240|((a>>>18)&7),128|((a>>>12)&63),128|((a>>>6)&63),128|(a&63))}}}}}return b}function rstr2binl(b){var a=Array(b.length>>2);for(var c=0;c<a.length;c++){a[c]=0}for(var c=0;c<b.length*8;c+=8){a[c>>5]|=(b.charCodeAt(c/8)&255)<<(c%32)}return a}function binl2rstr(b){var a="";for(var c=0;c<b.length*32;c+=8){a+=String.fromCharCode((b[c>>5]>>>(c%32))&255)}return a}function binl_md5(p,k){p[k>>5]|=128<<((k)%32);p[(((k+64)>>>9)<<4)+14]=k;var o=1732584193;var n=-271733879;var m=-1732584194;var l=271733878;for(var g=0;g<p.length;g+=16){var j=o;var h=n;var f=m;var e=l;o=md5_ff(o,n,m,l,p[g+0],7,-680876936);l=md5_ff(l,o,n,m,p[g+1],12,-389564586);m=md5_ff(m,l,o,n,p[g+2],17,606105819);n=md5_ff(n,m,l,o,p[g+3],22,-1044525330);o=md5_ff(o,n,m,l,p[g+4],7,-176418897);l=md5_ff(l,o,n,m,p[g+5],12,1200080426);m=md5_ff(m,l,o,n,p[g+6],17,-1473231341);n=md5_ff(n,m,l,o,p[g+7],22,-45705983);o=md5_ff(o,n,m,l,p[g+8],7,1770035416);l=md5_ff(l,o,n,m,p[g+9],12,-1958414417);m=md5_ff(m,l,o,n,p[g+10],17,-42063);n=md5_ff(n,m,l,o,p[g+11],22,-1990404162);o=md5_ff(o,n,m,l,p[g+12],7,1804603682);l=md5_ff(l,o,n,m,p[g+13],12,-40341101);m=md5_ff(m,l,o,n,p[g+14],17,-1502002290);n=md5_ff(n,m,l,o,p[g+15],22,1236535329);o=md5_gg(o,n,m,l,p[g+1],5,-165796510);l=md5_gg(l,o,n,m,p[g+6],9,-1069501632);m=md5_gg(m,l,o,n,p[g+11],14,643717713);n=md5_gg(n,m,l,o,p[g+0],20,-373897302);o=md5_gg(o,n,m,l,p[g+5],5,-701558691);l=md5_gg(l,o,n,m,p[g+10],9,38016083);m=md5_gg(m,l,o,n,p[g+15],14,-660478335);n=md5_gg(n,m,l,o,p[g+4],20,-405537848);o=md5_gg(o,n,m,l,p[g+9],5,568446438);l=md5_gg(l,o,n,m,p[g+14],9,-1019803690);m=md5_gg(m,l,o,n,p[g+3],14,-187363961);n=md5_gg(n,m,l,o,p[g+8],20,1163531501);o=md5_gg(o,n,m,l,p[g+13],5,-1444681467);l=md5_gg(l,o,n,m,p[g+2],9,-51403784);m=md5_gg(m,l,o,n,p[g+7],14,1735328473);n=md5_gg(n,m,l,o,p[g+12],20,-1926607734);o=md5_hh(o,n,m,l,p[g+5],4,-378558);l=md5_hh(l,o,n,m,p[g+8],11,-2022574463);m=md5_hh(m,l,o,n,p[g+11],16,1839030562);n=md5_hh(n,m,l,o,p[g+14],23,-35309556);o=md5_hh(o,n,m,l,p[g+1],4,-1530992060);l=md5_hh(l,o,n,m,p[g+4],11,1272893353);m=md5_hh(m,l,o,n,p[g+7],16,-155497632);n=md5_hh(n,m,l,o,p[g+10],23,-1094730640);o=md5_hh(o,n,m,l,p[g+13],4,681279174);l=md5_hh(l,o,n,m,p[g+0],11,-358537222);m=md5_hh(m,l,o,n,p[g+3],16,-722521979);n=md5_hh(n,m,l,o,p[g+6],23,76029189);o=md5_hh(o,n,m,l,p[g+9],4,-640364487);l=md5_hh(l,o,n,m,p[g+12],11,-421815835);m=md5_hh(m,l,o,n,p[g+15],16,530742520);n=md5_hh(n,m,l,o,p[g+2],23,-995338651);o=md5_ii(o,n,m,l,p[g+0],6,-198630844);l=md5_ii(l,o,n,m,p[g+7],10,1126891415);m=md5_ii(m,l,o,n,p[g+14],15,-1416354905);n=md5_ii(n,m,l,o,p[g+5],21,-57434055);o=md5_ii(o,n,m,l,p[g+12],6,1700485571);l=md5_ii(l,o,n,m,p[g+3],10,-1894986606);m=md5_ii(m,l,o,n,p[g+10],15,-1051523);n=md5_ii(n,m,l,o,p[g+1],21,-2054922799);o=md5_ii(o,n,m,l,p[g+8],6,1873313359);l=md5_ii(l,o,n,m,p[g+15],10,-30611744);m=md5_ii(m,l,o,n,p[g+6],15,-1560198380);n=md5_ii(n,m,l,o,p[g+13],21,1309151649);o=md5_ii(o,n,m,l,p[g+4],6,-145523070);l=md5_ii(l,o,n,m,p[g+11],10,-1120210379);m=md5_ii(m,l,o,n,p[g+2],15,718787259);n=md5_ii(n,m,l,o,p[g+9],21,-343485551);o=safe_add(o,j);n=safe_add(n,h);m=safe_add(m,f);l=safe_add(l,e)}return Array(o,n,m,l)}function md5_cmn(h,e,d,c,g,f){return safe_add(bit_rol(safe_add(safe_add(e,h),safe_add(c,f)),g),d)}function md5_ff(g,f,k,j,e,i,h){return md5_cmn((f&k)|((~f)&j),g,f,e,i,h)}function md5_gg(g,f,k,j,e,i,h){return md5_cmn((f&j)|(k&(~j)),g,f,e,i,h)}function md5_hh(g,f,k,j,e,i,h){return md5_cmn(f^k^j,g,f,e,i,h)}function md5_ii(g,f,k,j,e,i,h){return md5_cmn(k^(f|(~j)),g,f,e,i,h)}function safe_add(a,d){var c=(a&65535)+(d&65535);var b=(a>>16)+(d>>16)+(c>>16);return(b<<16)|(c&65535)}function bit_rol(a,b){return(a<<b)|(a>>>(32-b))};
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/*
 * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
 * Digest Algorithm, as defined in RFC 1321.
 * Version 2.2 Copyright (C) Paul Johnston 1999 - 2009
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for more info.
 */

/*
 * Configurable variables. You may need to tweak these to be compatible with
 * the server-side, but the defaults work in most cases.
 */
var hexcase = 0;   /* hex output format. 0 - lowercase; 1 - uppercase        */
var b64pad  = "";  /* base-64 pad character. "=" for strict RFC compliance   */

/*
 * These are the functions you'll usually want to call
 * They take string arguments and return either hex or base-64 encoded strings
 */
function hex_md5(s)    { return rstr2hex(rstr_md5(str2rstr_utf8(s))); }
function b64_md5(s)    { return rstr2b64(rstr_md5(str2rstr_utf8(s))); }
function any_md5(s, e) { return rstr2any(rstr_md5(str2rstr_utf8(s)), e); }
function hex_hmac_md5(k, d)
  { return rstr2hex(rstr_hmac_md5(str2rstr_utf8(k), str2rstr_utf8(d))); }
function b64_hmac_md5(k, d)
  { return rstr2b64(rstr_hmac_md5(str2rstr_utf8(k), str2rstr_utf8(d))); }
function any_hmac_md5(k, d, e)
  { return rstr2any(rstr_hmac_md5(str2rstr_utf8(k), str2rstr_utf8(d)), e); }

/*
 * Perform a simple self-test to see if the VM is working
 */
function md5_vm_test()
{
  return hex_md5("abc").toLowerCase() == "900150983cd24fb0d6963f7d28e17f72";
}

/*
 * Calculate the MD5 of a raw string
 */
function rstr_md5(s)
{
  return binl2rstr(binl_md5(rstr2binl(s), s.length * 8));
}

/*
 * Calculate the HMAC-MD5, of a key and some data (raw strings)
 */
function rstr_hmac_md5(key, data)
{
  var bkey = rstr2binl(key);
  if(bkey.length > 16) bkey = binl_md5(bkey, key.length * 8);

  var ipad = Array(16), opad = Array(16);
  for(var i = 0; i < 16; i++)
  {
    ipad[i] = bkey[i] ^ 0x36363636;
    opad[i] = bkey[i] ^ 0x5C5C5C5C;
  }

  var hash = binl_md5(ipad.concat(rstr2binl(data)), 512 + data.length * 8);
  return binl2rstr(binl_md5(opad.concat(hash), 512 + 128));
}

/*
 * Convert a raw string to a hex string
 */
function rstr2hex(input)
{
  try { hexcase } catch(e) { hexcase=0; }
  var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
  var output = "";
  var x;
  for(var i = 0; i < input.length; i++)
  {
    x = input.charCodeAt(i);
    output += hex_tab.charAt((x >>> 4) & 0x0F)
           +  hex_tab.charAt( x        & 0x0F);
  }
  return output;
}

/*
 * Convert a raw string to a base-64 string
 */
function rstr2b64(input)
{
  try { b64pad } catch(e) { b64pad=''; }
  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
  var output = "";
  var len = input.length;
  for(var i = 0; i < len; i += 3)
  {
    var triplet = (input.charCodeAt(i) << 16)
                | (i + 1 < len ? input.charCodeAt(i+1) << 8 : 0)
                | (i + 2 < len ? input.charCodeAt(i+2)      : 0);
    for(var j = 0; j < 4; j++)
    {
      if(i * 8 + j * 6 > input.length * 8) output += b64pad;
      else output += tab.charAt((triplet >>> 6*(3-j)) & 0x3F);
    }
  }
  return output;
}

/*
 * Convert a raw string to an arbitrary string encoding
 */
function rstr2any(input, encoding)
{
  var divisor = encoding.length;
  var i, j, q, x, quotient;

  /* Convert to an array of 16-bit big-endian values, forming the dividend */
  var dividend = Array(Math.ceil(input.length / 2));
  for(i = 0; i < dividend.length; i++)
  {
    dividend[i] = (input.charCodeAt(i * 2) << 8) | input.charCodeAt(i * 2 + 1);
  }

  /*
   * Repeatedly perform a long division. The binary array forms the dividend,
   * the length of the encoding is the divisor. Once computed, the quotient
   * forms the dividend for the next step. All remainders are stored for later
   * use.
   */
  var full_length = Math.ceil(input.length * 8 /
                                    (Math.log(encoding.length) / Math.log(2)));
  var remainders = Array(full_length);
  for(j = 0; j < full_length; j++)
  {
    quotient = Array();
    x = 0;
    for(i = 0; i < dividend.length; i++)
    {
      x = (x << 16) + dividend[i];
      q = Math.floor(x / divisor);
      x -= q * divisor;
      if(quotient.length > 0 || q > 0)
        quotient[quotient.length] = q;
    }
    remainders[j] = x;
    dividend = quotient;
  }

  /* Convert the remainders to the output string */
  var output = "";
  for(i = remainders.length - 1; i >= 0; i--)
    output += encoding.charAt(remainders[i]);

  return output;
}

/*
 * Encode a string as utf-8.
 * For efficiency, this assumes the input is valid utf-16.
 */
function str2rstr_utf8(input)
{
  var output = "";
  var i = -1;
  var x, y;

  while(++i < input.length)
  {
    /* Decode utf-16 surrogate pairs */
    x = input.charCodeAt(i);
    y = i + 1 < input.length ? input.charCodeAt(i + 1) : 0;
    if(0xD800 <= x && x <= 0xDBFF && 0xDC00 <= y && y <= 0xDFFF)
    {
      x = 0x10000 + ((x & 0x03FF) << 10) + (y & 0x03FF);
      i++;
    }

    /* Encode output as utf-8 */
    if(x <= 0x7F)
      output += String.fromCharCode(x);
    else if(x <= 0x7FF)
      output += String.fromCharCode(0xC0 | ((x >>> 6 ) & 0x1F),
                                    0x80 | ( x         & 0x3F));
    else if(x <= 0xFFFF)
      output += String.fromCharCode(0xE0 | ((x >>> 12) & 0x0F),
                                    0x80 | ((x >>> 6 ) & 0x3F),
                                    0x80 | ( x         & 0x3F));
    else if(x <= 0x1FFFFF)
      output += String.fromCharCode(0xF0 | ((x >>> 18) & 0x07),
                                    0x80 | ((x >>> 12) & 0x3F),
                                    0x80 | ((x >>> 6 ) & 0x3F),
                                    0x80 | ( x         & 0x3F));
  }
  return output;
}

/*
 * Encode a string as utf-16
 */
function str2rstr_utf16le(input)
{
  var output = "";
  for(var i = 0; i < input.length; i++)
    output += String.fromCharCode( input.charCodeAt(i)        & 0xFF,
                                  (input.charCodeAt(i) >>> 8) & 0xFF);
  return output;
}

function str2rstr_utf16be(input)
{
  var output = "";
  for(var i = 0; i < input.length; i++)
    output += String.fromCharCode((input.charCodeAt(i) >>> 8) & 0xFF,
                                   input.charCodeAt(i)        & 0xFF);
  return output;
}

/*
 * Convert a raw string to an array of little-endian words
 * Characters >255 have their high-byte silently ignored.
 */
function rstr2binl(input)
{
  var output = Array(input.length >> 2);
  for(var i = 0; i < output.length; i++)
    output[i] = 0;
  for(var i = 0; i < input.length * 8; i += 8)
    output[i>>5] |= (input.charCodeAt(i / 8) & 0xFF) << (i%32);
  return output;
}

/*
 * Convert an array of little-endian words to a string
 */
function binl2rstr(input)
{
  var output = "";
  for(var i = 0; i < input.length * 32; i += 8)
    output += String.fromCharCode((input[i>>5] >>> (i % 32)) & 0xFF);
  return output;
}

/*
 * Calculate the MD5 of an array of little-endian words, and a bit length.
 */
function binl_md5(x, len)
{
  /* append padding */
  x[len >> 5] |= 0x80 << ((len) % 32);
  x[(((len + 64) >>> 9) << 4) + 14] = len;

  var a =  1732584193;
  var b = -271733879;
  var c = -1732584194;
  var d =  271733878;

  for(var i = 0; i < x.length; i += 16)
  {
    var olda = a;
    var oldb = b;
    var oldc = c;
    var oldd = d;

    a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
    d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
    c = md5_ff(c, d, a, b, x[i+ 2], 17,  606105819);
    b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
    a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
    d = md5_ff(d, a, b, c, x[i+ 5], 12,  1200080426);
    c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
    b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
    a = md5_ff(a, b, c, d, x[i+ 8], 7 ,  1770035416);
    d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
    c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
    b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
    a = md5_ff(a, b, c, d, x[i+12], 7 ,  1804603682);
    d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
    c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
    b = md5_ff(b, c, d, a, x[i+15], 22,  1236535329);

    a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
    d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
    c = md5_gg(c, d, a, b, x[i+11], 14,  643717713);
    b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
    a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
    d = md5_gg(d, a, b, c, x[i+10], 9 ,  38016083);
    c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
    b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
    a = md5_gg(a, b, c, d, x[i+ 9], 5 ,  568446438);
    d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
    c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
    b = md5_gg(b, c, d, a, x[i+ 8], 20,  1163531501);
    a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
    d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
    c = md5_gg(c, d, a, b, x[i+ 7], 14,  1735328473);
    b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);

    a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
    d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
    c = md5_hh(c, d, a, b, x[i+11], 16,  1839030562);
    b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
    a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
    d = md5_hh(d, a, b, c, x[i+ 4], 11,  1272893353);
    c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
    b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
    a = md5_hh(a, b, c, d, x[i+13], 4 ,  681279174);
    d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
    c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
    b = md5_hh(b, c, d, a, x[i+ 6], 23,  76029189);
    a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
    d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
    c = md5_hh(c, d, a, b, x[i+15], 16,  530742520);
    b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);

    a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
    d = md5_ii(d, a, b, c, x[i+ 7], 10,  1126891415);
    c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
    b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
    a = md5_ii(a, b, c, d, x[i+12], 6 ,  1700485571);
    d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
    c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
    b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
    a = md5_ii(a, b, c, d, x[i+ 8], 6 ,  1873313359);
    d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
    c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
    b = md5_ii(b, c, d, a, x[i+13], 21,  1309151649);
    a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
    d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
    c = md5_ii(c, d, a, b, x[i+ 2], 15,  718787259);
    b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);

    a = safe_add(a, olda);
    b = safe_add(b, oldb);
    c = safe_add(c, oldc);
    d = safe_add(d, oldd);
  }
  return Array(a, b, c, d);
}

/*
 * These functions implement the four basic operations the algorithm uses.
 */
function md5_cmn(q, a, b, x, s, t)
{
  return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
}
function md5_ff(a, b, c, d, x, s, t)
{
  return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
}
function md5_gg(a, b, c, d, x, s, t)
{
  return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
}
function md5_hh(a, b, c, d, x, s, t)
{
  return md5_cmn(b ^ c ^ d, a, b, x, s, t);
}
function md5_ii(a, b, c, d, x, s, t)
{
  return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
}

/*
 * Add integers, wrapping at 2^32. This uses 16-bit operations internally
 * to work around bugs in some JS interpreters.
 */
function safe_add(x, y)
{
  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
  return (msw << 16) | (lsw & 0xFFFF);
}

/*
 * Bitwise rotate a 32-bit number to the left.
 */
function bit_rol(num, cnt)
{
  return (num << cnt) | (num >>> (32 - cnt));
}
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/*
 * A JavaScript implementation of the RIPEMD-160 Algorithm
 * Version 2.2 Copyright Jeremy Lin, Paul Johnston 2000 - 2009.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for details.
 * Also http://www.esat.kuleuven.ac.be/~cosicart/pdf/AB-9601/
 */
var hexcase=0;function hex_rmd160(a){return rstr2hex(rstr_rmd160(str2rstr_utf8(a)))}function hex_hmac_rmd160(a,b){return rstr2hex(rstr_hmac_rmd160(str2rstr_utf8(a),str2rstr_utf8(b)))}function rmd160_vm_test(){return hex_rmd160("abc").toLowerCase()=="8eb208f7e05d987a9b044a8e98c6b087f15a0bfc"}function rstr_rmd160(a){return binl2rstr(binl_rmd160(rstr2binl(a),a.length*8))}function rstr_hmac_rmd160(c,f){var e=rstr2binl(c);if(e.length>16){e=binl_rmd160(e,c.length*8)}var a=Array(16),d=Array(16);for(var b=0;b<16;b++){a[b]=e[b]^909522486;d[b]=e[b]^1549556828}var g=binl_rmd160(a.concat(rstr2binl(f)),512+f.length*8);return binl2rstr(binl_rmd160(d.concat(g),512+160))}function rstr2hex(c){try{hexcase}catch(g){hexcase=0}var f=hexcase?"0123456789ABCDEF":"0123456789abcdef";var b="";var a;for(var d=0;d<c.length;d++){a=c.charCodeAt(d);b+=f.charAt((a>>>4)&15)+f.charAt(a&15)}return b}function str2rstr_utf8(c){var b="";var d=-1;var a,e;while(++d<c.length){a=c.charCodeAt(d);e=d+1<c.length?c.charCodeAt(d+1):0;if(55296<=a&&a<=56319&&56320<=e&&e<=57343){a=65536+((a&1023)<<10)+(e&1023);d++}if(a<=127){b+=String.fromCharCode(a)}else{if(a<=2047){b+=String.fromCharCode(192|((a>>>6)&31),128|(a&63))}else{if(a<=65535){b+=String.fromCharCode(224|((a>>>12)&15),128|((a>>>6)&63),128|(a&63))}else{if(a<=2097151){b+=String.fromCharCode(240|((a>>>18)&7),128|((a>>>12)&63),128|((a>>>6)&63),128|(a&63))}}}}}return b}function rstr2binl(b){var a=Array(b.length>>2);for(var c=0;c<a.length;c++){a[c]=0}for(var c=0;c<b.length*8;c+=8){a[c>>5]|=(b.charCodeAt(c/8)&255)<<(c%32)}return a}function binl2rstr(b){var a="";for(var c=0;c<b.length*32;c+=8){a+=String.fromCharCode((b[c>>5]>>>(c%32))&255)}return a}function binl_rmd160(q,v){q[v>>5]|=128<<(v%32);q[(((v+64)>>>9)<<4)+14]=v;var l=1732584193;var k=4023233417;var h=2562383102;var g=271733878;var f=3285377520;for(var u=0;u<q.length;u+=16){var e;var c=l,o=k,t=h,d=g,p=f;var a=l,m=k,s=h,b=g,n=f;for(var r=0;r<=79;++r){e=safe_add(c,rmd160_f(r,o,t,d));e=safe_add(e,q[u+rmd160_r1[r]]);e=safe_add(e,rmd160_K1(r));e=safe_add(bit_rol(e,rmd160_s1[r]),p);c=p;p=d;d=bit_rol(t,10);t=o;o=e;e=safe_add(a,rmd160_f(79-r,m,s,b));e=safe_add(e,q[u+rmd160_r2[r]]);e=safe_add(e,rmd160_K2(r));e=safe_add(bit_rol(e,rmd160_s2[r]),n);a=n;n=b;b=bit_rol(s,10);s=m;m=e}e=safe_add(k,safe_add(t,b));k=safe_add(h,safe_add(d,n));h=safe_add(g,safe_add(p,a));g=safe_add(f,safe_add(c,m));f=safe_add(l,safe_add(o,s));l=e}return[l,k,h,g,f]}function rmd160_f(b,a,d,c){return(0<=b&&b<=15)?(a^d^c):(16<=b&&b<=31)?(a&d)|(~a&c):(32<=b&&b<=47)?(a|~d)^c:(48<=b&&b<=63)?(a&c)|(d&~c):(64<=b&&b<=79)?a^(d|~c):"rmd160_f: j out of range"}function rmd160_K1(a){return(0<=a&&a<=15)?0:(16<=a&&a<=31)?1518500249:(32<=a&&a<=47)?1859775393:(48<=a&&a<=63)?2400959708:(64<=a&&a<=79)?2840853838:"rmd160_K1: j out of range"}function rmd160_K2(a){return(0<=a&&a<=15)?1352829926:(16<=a&&a<=31)?1548603684:(32<=a&&a<=47)?1836072691:(48<=a&&a<=63)?2053994217:(64<=a&&a<=79)?0:"rmd160_K2: j out of range"}var rmd160_r1=[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,7,4,13,1,10,6,15,3,12,0,9,5,2,14,11,8,3,10,14,4,9,15,8,1,2,7,0,6,13,11,5,12,1,9,11,10,0,8,12,4,13,3,7,15,14,5,6,2,4,0,5,9,7,12,2,10,14,1,3,8,11,6,15,13];var rmd160_r2=[5,14,7,0,9,2,11,4,13,6,15,8,1,10,3,12,6,11,3,7,0,13,5,10,14,15,8,12,4,9,1,2,15,5,1,3,7,14,6,9,11,8,12,2,10,0,4,13,8,6,4,1,3,11,15,0,5,12,2,13,9,7,10,14,12,15,10,4,1,5,8,7,6,2,13,14,0,3,9,11];var rmd160_s1=[11,14,15,12,5,8,7,9,11,13,14,15,6,7,9,8,7,6,8,13,11,9,7,15,7,12,15,9,11,7,13,12,11,13,6,7,14,9,13,15,14,8,13,6,5,12,7,5,11,12,14,15,14,15,9,8,9,14,5,6,8,6,5,12,9,15,5,11,6,8,13,12,5,12,13,14,11,8,5,6];var rmd160_s2=[8,9,9,11,13,15,15,5,7,7,8,11,14,14,12,6,9,13,15,7,12,8,9,11,7,7,12,7,6,15,13,11,9,7,15,11,8,6,6,14,12,13,5,14,13,13,7,5,15,5,8,11,14,14,6,14,6,9,12,9,12,5,15,8,8,5,12,9,12,5,14,6,8,13,6,5,15,13,11,11];function safe_add(a,d){var c=(a&65535)+(d&65535);var b=(a>>16)+(d>>16)+(c>>16);return(b<<16)|(c&65535)}function bit_rol(a,b){return(a<<b)|(a>>>(32-b))};
Added modules/jshash/js/ripemd160.js. 
















































































































































































































































































































































































































































































































































































































































































































































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/*
 * A JavaScript implementation of the RIPEMD-160 Algorithm
 * Version 2.2 Copyright Jeremy Lin, Paul Johnston 2000 - 2009.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for details.
 * Also http://www.ocf.berkeley.edu/~jjlin/jsotp/
 */

/*
 * Configurable variables. You may need to tweak these to be compatible with
 * the server-side, but the defaults work in most cases.
 */
var hexcase = 0;  /* hex output format. 0 - lowercase; 1 - uppercase        */
var b64pad  = ""; /* base-64 pad character. "=" for strict RFC compliance   */

/*
 * These are the functions you'll usually want to call
 * They take string arguments and return either hex or base-64 encoded strings
 */
function hex_rmd160(s)    { return rstr2hex(rstr_rmd160(str2rstr_utf8(s))); }
function b64_rmd160(s)    { return rstr2b64(rstr_rmd160(str2rstr_utf8(s))); }
function any_rmd160(s, e) { return rstr2any(rstr_rmd160(str2rstr_utf8(s)), e); }
function hex_hmac_rmd160(k, d)
  { return rstr2hex(rstr_hmac_rmd160(str2rstr_utf8(k), str2rstr_utf8(d))); }
function b64_hmac_rmd160(k, d)
  { return rstr2b64(rstr_hmac_rmd160(str2rstr_utf8(k), str2rstr_utf8(d))); }
function any_hmac_rmd160(k, d, e)
  { return rstr2any(rstr_hmac_rmd160(str2rstr_utf8(k), str2rstr_utf8(d)), e); }

/*
 * Perform a simple self-test to see if the VM is working
 */
function rmd160_vm_test()
{
  return hex_rmd160("abc").toLowerCase() == "8eb208f7e05d987a9b044a8e98c6b087f15a0bfc";
}

/*
 * Calculate the rmd160 of a raw string
 */
function rstr_rmd160(s)
{
  return binl2rstr(binl_rmd160(rstr2binl(s), s.length * 8));
}

/*
 * Calculate the HMAC-rmd160 of a key and some data (raw strings)
 */
function rstr_hmac_rmd160(key, data)
{
  var bkey = rstr2binl(key);
  if(bkey.length > 16) bkey = binl_rmd160(bkey, key.length * 8);

  var ipad = Array(16), opad = Array(16);
  for(var i = 0; i < 16; i++)
  {
    ipad[i] = bkey[i] ^ 0x36363636;
    opad[i] = bkey[i] ^ 0x5C5C5C5C;
  }

  var hash = binl_rmd160(ipad.concat(rstr2binl(data)), 512 + data.length * 8);
  return binl2rstr(binl_rmd160(opad.concat(hash), 512 + 160));
}

/*
 * Convert a raw string to a hex string
 */
function rstr2hex(input)
{
  try { hexcase } catch(e) { hexcase=0; }
  var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
  var output = "";
  var x;
  for(var i = 0; i < input.length; i++)
  {
    x = input.charCodeAt(i);
    output += hex_tab.charAt((x >>> 4) & 0x0F)
           +  hex_tab.charAt( x        & 0x0F);
  }
  return output;
}

/*
 * Convert a raw string to a base-64 string
 */
function rstr2b64(input)
{
  try { b64pad } catch(e) { b64pad=''; }
  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
  var output = "";
  var len = input.length;
  for(var i = 0; i < len; i += 3)
  {
    var triplet = (input.charCodeAt(i) << 16)
                | (i + 1 < len ? input.charCodeAt(i+1) << 8 : 0)
                | (i + 2 < len ? input.charCodeAt(i+2)      : 0);
    for(var j = 0; j < 4; j++)
    {
      if(i * 8 + j * 6 > input.length * 8) output += b64pad;
      else output += tab.charAt((triplet >>> 6*(3-j)) & 0x3F);
    }
  }
  return output;
}

/*
 * Convert a raw string to an arbitrary string encoding
 */
function rstr2any(input, encoding)
{
  var divisor = encoding.length;
  var remainders = Array();
  var i, q, x, quotient;

  /* Convert to an array of 16-bit big-endian values, forming the dividend */
  var dividend = Array(Math.ceil(input.length / 2));
  for(i = 0; i < dividend.length; i++)
  {
    dividend[i] = (input.charCodeAt(i * 2) << 8) | input.charCodeAt(i * 2 + 1);
  }

  /*
   * Repeatedly perform a long division. The binary array forms the dividend,
   * the length of the encoding is the divisor. Once computed, the quotient
   * forms the dividend for the next step. We stop when the dividend is zero.
   * All remainders are stored for later use.
   */
  while(dividend.length > 0)
  {
    quotient = Array();
    x = 0;
    for(i = 0; i < dividend.length; i++)
    {
      x = (x << 16) + dividend[i];
      q = Math.floor(x / divisor);
      x -= q * divisor;
      if(quotient.length > 0 || q > 0)
        quotient[quotient.length] = q;
    }
    remainders[remainders.length] = x;
    dividend = quotient;
  }

  /* Convert the remainders to the output string */
  var output = "";
  for(i = remainders.length - 1; i >= 0; i--)
    output += encoding.charAt(remainders[i]);

  /* Append leading zero equivalents */
  var full_length = Math.ceil(input.length * 8 /
                                    (Math.log(encoding.length) / Math.log(2)))
  for(i = output.length; i < full_length; i++)
    output = encoding[0] + output;

  return output;
}

/*
 * Encode a string as utf-8.
 * For efficiency, this assumes the input is valid utf-16.
 */
function str2rstr_utf8(input)
{
  var output = "";
  var i = -1;
  var x, y;

  while(++i < input.length)
  {
    /* Decode utf-16 surrogate pairs */
    x = input.charCodeAt(i);
    y = i + 1 < input.length ? input.charCodeAt(i + 1) : 0;
    if(0xD800 <= x && x <= 0xDBFF && 0xDC00 <= y && y <= 0xDFFF)
    {
      x = 0x10000 + ((x & 0x03FF) << 10) + (y & 0x03FF);
      i++;
    }

    /* Encode output as utf-8 */
    if(x <= 0x7F)
      output += String.fromCharCode(x);
    else if(x <= 0x7FF)
      output += String.fromCharCode(0xC0 | ((x >>> 6 ) & 0x1F),
                                    0x80 | ( x         & 0x3F));
    else if(x <= 0xFFFF)
      output += String.fromCharCode(0xE0 | ((x >>> 12) & 0x0F),
                                    0x80 | ((x >>> 6 ) & 0x3F),
                                    0x80 | ( x         & 0x3F));
    else if(x <= 0x1FFFFF)
      output += String.fromCharCode(0xF0 | ((x >>> 18) & 0x07),
                                    0x80 | ((x >>> 12) & 0x3F),
                                    0x80 | ((x >>> 6 ) & 0x3F),
                                    0x80 | ( x         & 0x3F));
  }
  return output;
}

/*
 * Encode a string as utf-16
 */
function str2rstr_utf16le(input)
{
  var output = "";
  for(var i = 0; i < input.length; i++)
    output += String.fromCharCode( input.charCodeAt(i)        & 0xFF,
                                  (input.charCodeAt(i) >>> 8) & 0xFF);
  return output;
}

function str2rstr_utf16be(input)
{
  var output = "";
  for(var i = 0; i < input.length; i++)
    output += String.fromCharCode((input.charCodeAt(i) >>> 8) & 0xFF,
                                   input.charCodeAt(i)        & 0xFF);
  return output;
}

/*
 * Convert a raw string to an array of little-endian words
 * Characters >255 have their high-byte silently ignored.
 */
function rstr2binl(input)
{
  var output = Array(input.length >> 2);
  for(var i = 0; i < output.length; i++)
    output[i] = 0;
  for(var i = 0; i < input.length * 8; i += 8)
    output[i>>5] |= (input.charCodeAt(i / 8) & 0xFF) << (i%32);
  return output;
}

/*
 * Convert an array of little-endian words to a string
 */
function binl2rstr(input)
{
  var output = "";
  for(var i = 0; i < input.length * 32; i += 8)
    output += String.fromCharCode((input[i>>5] >>> (i % 32)) & 0xFF);
  return output;
}

/*
 * Calculate the RIPE-MD160 of an array of little-endian words, and a bit length.
 */
function binl_rmd160(x, len)
{
  /* append padding */
  x[len >> 5] |= 0x80 << (len % 32);
  x[(((len + 64) >>> 9) << 4) + 14] = len;

  var h0 = 0x67452301;
  var h1 = 0xefcdab89;
  var h2 = 0x98badcfe;
  var h3 = 0x10325476;
  var h4 = 0xc3d2e1f0;

  for (var i = 0; i < x.length; i += 16) {
    var T;
    var A1 = h0, B1 = h1, C1 = h2, D1 = h3, E1 = h4;
    var A2 = h0, B2 = h1, C2 = h2, D2 = h3, E2 = h4;
    for (var j = 0; j <= 79; ++j) {
      T = safe_add(A1, rmd160_f(j, B1, C1, D1));
      T = safe_add(T, x[i + rmd160_r1[j]]);
      T = safe_add(T, rmd160_K1(j));
      T = safe_add(bit_rol(T, rmd160_s1[j]), E1);
      A1 = E1; E1 = D1; D1 = bit_rol(C1, 10); C1 = B1; B1 = T;
      T = safe_add(A2, rmd160_f(79-j, B2, C2, D2));
      T = safe_add(T, x[i + rmd160_r2[j]]);
      T = safe_add(T, rmd160_K2(j));
      T = safe_add(bit_rol(T, rmd160_s2[j]), E2);
      A2 = E2; E2 = D2; D2 = bit_rol(C2, 10); C2 = B2; B2 = T;
    }
    T = safe_add(h1, safe_add(C1, D2));
    h1 = safe_add(h2, safe_add(D1, E2));
    h2 = safe_add(h3, safe_add(E1, A2));
    h3 = safe_add(h4, safe_add(A1, B2));
    h4 = safe_add(h0, safe_add(B1, C2));
    h0 = T;
  }
  return [h0, h1, h2, h3, h4];
}

function rmd160_f(j, x, y, z)
{
  return ( 0 <= j && j <= 15) ? (x ^ y ^ z) :
         (16 <= j && j <= 31) ? (x & y) | (~x & z) :
         (32 <= j && j <= 47) ? (x | ~y) ^ z :
         (48 <= j && j <= 63) ? (x & z) | (y & ~z) :
         (64 <= j && j <= 79) ? x ^ (y | ~z) :
         "rmd160_f: j out of range";
}
function rmd160_K1(j)
{
  return ( 0 <= j && j <= 15) ? 0x00000000 :
         (16 <= j && j <= 31) ? 0x5a827999 :
         (32 <= j && j <= 47) ? 0x6ed9eba1 :
         (48 <= j && j <= 63) ? 0x8f1bbcdc :
         (64 <= j && j <= 79) ? 0xa953fd4e :
         "rmd160_K1: j out of range";
}
function rmd160_K2(j)
{
  return ( 0 <= j && j <= 15) ? 0x50a28be6 :
         (16 <= j && j <= 31) ? 0x5c4dd124 :
         (32 <= j && j <= 47) ? 0x6d703ef3 :
         (48 <= j && j <= 63) ? 0x7a6d76e9 :
         (64 <= j && j <= 79) ? 0x00000000 :
         "rmd160_K2: j out of range";
}
var rmd160_r1 = [
   0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
   7,  4, 13,  1, 10,  6, 15,  3, 12,  0,  9,  5,  2, 14, 11,  8,
   3, 10, 14,  4,  9, 15,  8,  1,  2,  7,  0,  6, 13, 11,  5, 12,
   1,  9, 11, 10,  0,  8, 12,  4, 13,  3,  7, 15, 14,  5,  6,  2,
   4,  0,  5,  9,  7, 12,  2, 10, 14,  1,  3,  8, 11,  6, 15, 13
];
var rmd160_r2 = [
   5, 14,  7,  0,  9,  2, 11,  4, 13,  6, 15,  8,  1, 10,  3, 12,
   6, 11,  3,  7,  0, 13,  5, 10, 14, 15,  8, 12,  4,  9,  1,  2,
  15,  5,  1,  3,  7, 14,  6,  9, 11,  8, 12,  2, 10,  0,  4, 13,
   8,  6,  4,  1,  3, 11, 15,  0,  5, 12,  2, 13,  9,  7, 10, 14,
  12, 15, 10,  4,  1,  5,  8,  7,  6,  2, 13, 14,  0,  3,  9, 11
];
var rmd160_s1 = [
  11, 14, 15, 12,  5,  8,  7,  9, 11, 13, 14, 15,  6,  7,  9,  8,
   7,  6,  8, 13, 11,  9,  7, 15,  7, 12, 15,  9, 11,  7, 13, 12,
  11, 13,  6,  7, 14,  9, 13, 15, 14,  8, 13,  6,  5, 12,  7,  5,
  11, 12, 14, 15, 14, 15,  9,  8,  9, 14,  5,  6,  8,  6,  5, 12,
   9, 15,  5, 11,  6,  8, 13, 12,  5, 12, 13, 14, 11,  8,  5,  6
];
var rmd160_s2 = [
   8,  9,  9, 11, 13, 15, 15,  5,  7,  7,  8, 11, 14, 14, 12,  6,
   9, 13, 15,  7, 12,  8,  9, 11,  7,  7, 12,  7,  6, 15, 13, 11,
   9,  7, 15, 11,  8,  6,  6, 14, 12, 13,  5, 14, 13, 13,  7,  5,
  15,  5,  8, 11, 14, 14,  6, 14,  6,  9, 12,  9, 12,  5, 15,  8,
   8,  5, 12,  9, 12,  5, 14,  6,  8, 13,  6,  5, 15, 13, 11, 11
];

/*
 * Add integers, wrapping at 2^32. This uses 16-bit operations internally
 * to work around bugs in some JS interpreters.
 */
function safe_add(x, y)
{
  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
  return (msw << 16) | (lsw & 0xFFFF);
}

/*
 * Bitwise rotate a 32-bit number to the left.
 */
function bit_rol(num, cnt)
{
  return (num << cnt) | (num >>> (32 - cnt));
}
Added modules/jshash/js/sha1-min.js. 




















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/*
 * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
 * in FIPS 180-1
 * Version 2.2 Copyright Paul Johnston 2000 - 2009.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for details.
 */
var hexcase=0;var b64pad="";function hex_sha1(a){return rstr2hex(rstr_sha1(str2rstr_utf8(a)))}function hex_hmac_sha1(a,b){return rstr2hex(rstr_hmac_sha1(str2rstr_utf8(a),str2rstr_utf8(b)))}function sha1_vm_test(){return hex_sha1("abc").toLowerCase()=="a9993e364706816aba3e25717850c26c9cd0d89d"}function rstr_sha1(a){return binb2rstr(binb_sha1(rstr2binb(a),a.length*8))}function rstr_hmac_sha1(c,f){var e=rstr2binb(c);if(e.length>16){e=binb_sha1(e,c.length*8)}var a=Array(16),d=Array(16);for(var b=0;b<16;b++){a[b]=e[b]^909522486;d[b]=e[b]^1549556828}var g=binb_sha1(a.concat(rstr2binb(f)),512+f.length*8);return binb2rstr(binb_sha1(d.concat(g),512+160))}function rstr2hex(c){try{hexcase}catch(g){hexcase=0}var f=hexcase?"0123456789ABCDEF":"0123456789abcdef";var b="";var a;for(var d=0;d<c.length;d++){a=c.charCodeAt(d);b+=f.charAt((a>>>4)&15)+f.charAt(a&15)}return b}function str2rstr_utf8(c){var b="";var d=-1;var a,e;while(++d<c.length){a=c.charCodeAt(d);e=d+1<c.length?c.charCodeAt(d+1):0;if(55296<=a&&a<=56319&&56320<=e&&e<=57343){a=65536+((a&1023)<<10)+(e&1023);d++}if(a<=127){b+=String.fromCharCode(a)}else{if(a<=2047){b+=String.fromCharCode(192|((a>>>6)&31),128|(a&63))}else{if(a<=65535){b+=String.fromCharCode(224|((a>>>12)&15),128|((a>>>6)&63),128|(a&63))}else{if(a<=2097151){b+=String.fromCharCode(240|((a>>>18)&7),128|((a>>>12)&63),128|((a>>>6)&63),128|(a&63))}}}}}return b}function rstr2binb(b){var a=Array(b.length>>2);for(var c=0;c<a.length;c++){a[c]=0}for(var c=0;c<b.length*8;c+=8){a[c>>5]|=(b.charCodeAt(c/8)&255)<<(24-c%32)}return a}function binb2rstr(b){var a="";for(var c=0;c<b.length*32;c+=8){a+=String.fromCharCode((b[c>>5]>>>(24-c%32))&255)}return a}function binb_sha1(v,o){v[o>>5]|=128<<(24-o%32);v[((o+64>>9)<<4)+15]=o;var y=Array(80);var u=1732584193;var s=-271733879;var r=-1732584194;var q=271733878;var p=-1009589776;for(var l=0;l<v.length;l+=16){var n=u;var m=s;var k=r;var h=q;var f=p;for(var g=0;g<80;g++){if(g<16){y[g]=v[l+g]}else{y[g]=bit_rol(y[g-3]^y[g-8]^y[g-14]^y[g-16],1)}var z=safe_add(safe_add(bit_rol(u,5),sha1_ft(g,s,r,q)),safe_add(safe_add(p,y[g]),sha1_kt(g)));p=q;q=r;r=bit_rol(s,30);s=u;u=z}u=safe_add(u,n);s=safe_add(s,m);r=safe_add(r,k);q=safe_add(q,h);p=safe_add(p,f)}return Array(u,s,r,q,p)}function sha1_ft(e,a,g,f){if(e<20){return(a&g)|((~a)&f)}if(e<40){return a^g^f}if(e<60){return(a&g)|(a&f)|(g&f)}return a^g^f}function sha1_kt(a){return(a<20)?1518500249:(a<40)?1859775393:(a<60)?-1894007588:-899497514}function safe_add(a,d){var c=(a&65535)+(d&65535);var b=(a>>16)+(d>>16)+(c>>16);return(b<<16)|(c&65535)}function bit_rol(a,b){return(a<<b)|(a>>>(32-b))};
Added modules/jshash/js/sha1.js. 






















































































































































































































































































































































































































































































































































































































































































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/*
 * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
 * in FIPS 180-1
 * Version 2.2 Copyright Paul Johnston 2000 - 2009.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for details.
 */

/*
 * Configurable variables. You may need to tweak these to be compatible with
 * the server-side, but the defaults work in most cases.
 */
var hexcase = 0;  /* hex output format. 0 - lowercase; 1 - uppercase        */
var b64pad  = ""; /* base-64 pad character. "=" for strict RFC compliance   */

/*
 * These are the functions you'll usually want to call
 * They take string arguments and return either hex or base-64 encoded strings
 */
function hex_sha1(s)    { return rstr2hex(rstr_sha1(str2rstr_utf8(s))); }
function b64_sha1(s)    { return rstr2b64(rstr_sha1(str2rstr_utf8(s))); }
function any_sha1(s, e) { return rstr2any(rstr_sha1(str2rstr_utf8(s)), e); }
function hex_hmac_sha1(k, d)
  { return rstr2hex(rstr_hmac_sha1(str2rstr_utf8(k), str2rstr_utf8(d))); }
function b64_hmac_sha1(k, d)
  { return rstr2b64(rstr_hmac_sha1(str2rstr_utf8(k), str2rstr_utf8(d))); }
function any_hmac_sha1(k, d, e)
  { return rstr2any(rstr_hmac_sha1(str2rstr_utf8(k), str2rstr_utf8(d)), e); }

/*
 * Perform a simple self-test to see if the VM is working
 */
function sha1_vm_test()
{
  return hex_sha1("abc").toLowerCase() == "a9993e364706816aba3e25717850c26c9cd0d89d";
}

/*
 * Calculate the SHA1 of a raw string
 */
function rstr_sha1(s)
{
  return binb2rstr(binb_sha1(rstr2binb(s), s.length * 8));
}

/*
 * Calculate the HMAC-SHA1 of a key and some data (raw strings)
 */
function rstr_hmac_sha1(key, data)
{
  var bkey = rstr2binb(key);
  if(bkey.length > 16) bkey = binb_sha1(bkey, key.length * 8);

  var ipad = Array(16), opad = Array(16);
  for(var i = 0; i < 16; i++)
  {
    ipad[i] = bkey[i] ^ 0x36363636;
    opad[i] = bkey[i] ^ 0x5C5C5C5C;
  }

  var hash = binb_sha1(ipad.concat(rstr2binb(data)), 512 + data.length * 8);
  return binb2rstr(binb_sha1(opad.concat(hash), 512 + 160));
}

/*
 * Convert a raw string to a hex string
 */
function rstr2hex(input)
{
  try { hexcase } catch(e) { hexcase=0; }
  var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
  var output = "";
  var x;
  for(var i = 0; i < input.length; i++)
  {
    x = input.charCodeAt(i);
    output += hex_tab.charAt((x >>> 4) & 0x0F)
           +  hex_tab.charAt( x        & 0x0F);
  }
  return output;
}

/*
 * Convert a raw string to a base-64 string
 */
function rstr2b64(input)
{
  try { b64pad } catch(e) { b64pad=''; }
  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
  var output = "";
  var len = input.length;
  for(var i = 0; i < len; i += 3)
  {
    var triplet = (input.charCodeAt(i) << 16)
                | (i + 1 < len ? input.charCodeAt(i+1) << 8 : 0)
                | (i + 2 < len ? input.charCodeAt(i+2)      : 0);
    for(var j = 0; j < 4; j++)
    {
      if(i * 8 + j * 6 > input.length * 8) output += b64pad;
      else output += tab.charAt((triplet >>> 6*(3-j)) & 0x3F);
    }
  }
  return output;
}

/*
 * Convert a raw string to an arbitrary string encoding
 */
function rstr2any(input, encoding)
{
  var divisor = encoding.length;
  var remainders = Array();
  var i, q, x, quotient;

  /* Convert to an array of 16-bit big-endian values, forming the dividend */
  var dividend = Array(Math.ceil(input.length / 2));
  for(i = 0; i < dividend.length; i++)
  {
    dividend[i] = (input.charCodeAt(i * 2) << 8) | input.charCodeAt(i * 2 + 1);
  }

  /*
   * Repeatedly perform a long division. The binary array forms the dividend,
   * the length of the encoding is the divisor. Once computed, the quotient
   * forms the dividend for the next step. We stop when the dividend is zero.
   * All remainders are stored for later use.
   */
  while(dividend.length > 0)
  {
    quotient = Array();
    x = 0;
    for(i = 0; i < dividend.length; i++)
    {
      x = (x << 16) + dividend[i];
      q = Math.floor(x / divisor);
      x -= q * divisor;
      if(quotient.length > 0 || q > 0)
        quotient[quotient.length] = q;
    }
    remainders[remainders.length] = x;
    dividend = quotient;
  }

  /* Convert the remainders to the output string */
  var output = "";
  for(i = remainders.length - 1; i >= 0; i--)
    output += encoding.charAt(remainders[i]);

  /* Append leading zero equivalents */
  var full_length = Math.ceil(input.length * 8 /
                                    (Math.log(encoding.length) / Math.log(2)))
  for(i = output.length; i < full_length; i++)
    output = encoding[0] + output;

  return output;
}

/*
 * Encode a string as utf-8.
 * For efficiency, this assumes the input is valid utf-16.
 */
function str2rstr_utf8(input)
{
  var output = "";
  var i = -1;
  var x, y;

  while(++i < input.length)
  {
    /* Decode utf-16 surrogate pairs */
    x = input.charCodeAt(i);
    y = i + 1 < input.length ? input.charCodeAt(i + 1) : 0;
    if(0xD800 <= x && x <= 0xDBFF && 0xDC00 <= y && y <= 0xDFFF)
    {
      x = 0x10000 + ((x & 0x03FF) << 10) + (y & 0x03FF);
      i++;
    }

    /* Encode output as utf-8 */
    if(x <= 0x7F)
      output += String.fromCharCode(x);
    else if(x <= 0x7FF)
      output += String.fromCharCode(0xC0 | ((x >>> 6 ) & 0x1F),
                                    0x80 | ( x         & 0x3F));
    else if(x <= 0xFFFF)
      output += String.fromCharCode(0xE0 | ((x >>> 12) & 0x0F),
                                    0x80 | ((x >>> 6 ) & 0x3F),
                                    0x80 | ( x         & 0x3F));
    else if(x <= 0x1FFFFF)
      output += String.fromCharCode(0xF0 | ((x >>> 18) & 0x07),
                                    0x80 | ((x >>> 12) & 0x3F),
                                    0x80 | ((x >>> 6 ) & 0x3F),
                                    0x80 | ( x         & 0x3F));
  }
  return output;
}

/*
 * Encode a string as utf-16
 */
function str2rstr_utf16le(input)
{
  var output = "";
  for(var i = 0; i < input.length; i++)
    output += String.fromCharCode( input.charCodeAt(i)        & 0xFF,
                                  (input.charCodeAt(i) >>> 8) & 0xFF);
  return output;
}

function str2rstr_utf16be(input)
{
  var output = "";
  for(var i = 0; i < input.length; i++)
    output += String.fromCharCode((input.charCodeAt(i) >>> 8) & 0xFF,
                                   input.charCodeAt(i)        & 0xFF);
  return output;
}

/*
 * Convert a raw string to an array of big-endian words
 * Characters >255 have their high-byte silently ignored.
 */
function rstr2binb(input)
{
  var output = Array(input.length >> 2);
  for(var i = 0; i < output.length; i++)
    output[i] = 0;
  for(var i = 0; i < input.length * 8; i += 8)
    output[i>>5] |= (input.charCodeAt(i / 8) & 0xFF) << (24 - i % 32);
  return output;
}

/*
 * Convert an array of big-endian words to a string
 */
function binb2rstr(input)
{
  var output = "";
  for(var i = 0; i < input.length * 32; i += 8)
    output += String.fromCharCode((input[i>>5] >>> (24 - i % 32)) & 0xFF);
  return output;
}

/*
 * Calculate the SHA-1 of an array of big-endian words, and a bit length
 */
function binb_sha1(x, len)
{
  /* append padding */
  x[len >> 5] |= 0x80 << (24 - len % 32);
  x[((len + 64 >> 9) << 4) + 15] = len;

  var w = Array(80);
  var a =  1732584193;
  var b = -271733879;
  var c = -1732584194;
  var d =  271733878;
  var e = -1009589776;

  for(var i = 0; i < x.length; i += 16)
  {
    var olda = a;
    var oldb = b;
    var oldc = c;
    var oldd = d;
    var olde = e;

    for(var j = 0; j < 80; j++)
    {
      if(j < 16) w[j] = x[i + j];
      else w[j] = bit_rol(w[j-3] ^ w[j-8] ^ w[j-14] ^ w[j-16], 1);
      var t = safe_add(safe_add(bit_rol(a, 5), sha1_ft(j, b, c, d)),
                       safe_add(safe_add(e, w[j]), sha1_kt(j)));
      e = d;
      d = c;
      c = bit_rol(b, 30);
      b = a;
      a = t;
    }

    a = safe_add(a, olda);
    b = safe_add(b, oldb);
    c = safe_add(c, oldc);
    d = safe_add(d, oldd);
    e = safe_add(e, olde);
  }
  return Array(a, b, c, d, e);

}

/*
 * Perform the appropriate triplet combination function for the current
 * iteration
 */
function sha1_ft(t, b, c, d)
{
  if(t < 20) return (b & c) | ((~b) & d);
  if(t < 40) return b ^ c ^ d;
  if(t < 60) return (b & c) | (b & d) | (c & d);
  return b ^ c ^ d;
}

/*
 * Determine the appropriate additive constant for the current iteration
 */
function sha1_kt(t)
{
  return (t < 20) ?  1518500249 : (t < 40) ?  1859775393 :
         (t < 60) ? -1894007588 : -899497514;
}

/*
 * Add integers, wrapping at 2^32. This uses 16-bit operations internally
 * to work around bugs in some JS interpreters.
 */
function safe_add(x, y)
{
  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
  return (msw << 16) | (lsw & 0xFFFF);
}

/*
 * Bitwise rotate a 32-bit number to the left.
 */
function bit_rol(num, cnt)
{
  return (num << cnt) | (num >>> (32 - cnt));
}
Added modules/jshash/js/sha256-min.js. 






















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/*
 * A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined
 * in FIPS 180-2
 * Version 2.2 Copyright Angel Marin, Paul Johnston 2000 - 2009.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for details.
 * Also http://anmar.eu.org/projects/jssha2/
 */
var hexcase=0;function hex_sha256(a){return rstr2hex(rstr_sha256(str2rstr_utf8(a)))}function hex_hmac_sha256(a,b){return rstr2hex(rstr_hmac_sha256(str2rstr_utf8(a),str2rstr_utf8(b)))}function sha256_vm_test(){return hex_sha256("abc").toLowerCase()=="ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad"}function rstr_sha256(a){return binb2rstr(binb_sha256(rstr2binb(a),a.length*8))}function rstr_hmac_sha256(c,f){var e=rstr2binb(c);if(e.length>16){e=binb_sha256(e,c.length*8)}var a=Array(16),d=Array(16);for(var b=0;b<16;b++){a[b]=e[b]^909522486;d[b]=e[b]^1549556828}var g=binb_sha256(a.concat(rstr2binb(f)),512+f.length*8);return binb2rstr(binb_sha256(d.concat(g),512+256))}function rstr2hex(c){try{hexcase}catch(g){hexcase=0}var f=hexcase?"0123456789ABCDEF":"0123456789abcdef";var b="";var a;for(var d=0;d<c.length;d++){a=c.charCodeAt(d);b+=f.charAt((a>>>4)&15)+f.charAt(a&15)}return b}function str2rstr_utf8(c){var b="";var d=-1;var a,e;while(++d<c.length){a=c.charCodeAt(d);e=d+1<c.length?c.charCodeAt(d+1):0;if(55296<=a&&a<=56319&&56320<=e&&e<=57343){a=65536+((a&1023)<<10)+(e&1023);d++}if(a<=127){b+=String.fromCharCode(a)}else{if(a<=2047){b+=String.fromCharCode(192|((a>>>6)&31),128|(a&63))}else{if(a<=65535){b+=String.fromCharCode(224|((a>>>12)&15),128|((a>>>6)&63),128|(a&63))}else{if(a<=2097151){b+=String.fromCharCode(240|((a>>>18)&7),128|((a>>>12)&63),128|((a>>>6)&63),128|(a&63))}}}}}return b}function rstr2binb(b){var a=Array(b.length>>2);for(var c=0;c<a.length;c++){a[c]=0}for(var c=0;c<b.length*8;c+=8){a[c>>5]|=(b.charCodeAt(c/8)&255)<<(24-c%32)}return a}function binb2rstr(b){var a="";for(var c=0;c<b.length*32;c+=8){a+=String.fromCharCode((b[c>>5]>>>(24-c%32))&255)}return a}function sha256_S(b,a){return(b>>>a)|(b<<(32-a))}function sha256_R(b,a){return(b>>>a)}function sha256_Ch(a,c,b){return((a&c)^((~a)&b))}function sha256_Maj(a,c,b){return((a&c)^(a&b)^(c&b))}function sha256_Sigma0256(a){return(sha256_S(a,2)^sha256_S(a,13)^sha256_S(a,22))}function sha256_Sigma1256(a){return(sha256_S(a,6)^sha256_S(a,11)^sha256_S(a,25))}function sha256_Gamma0256(a){return(sha256_S(a,7)^sha256_S(a,18)^sha256_R(a,3))}function sha256_Gamma1256(a){return(sha256_S(a,17)^sha256_S(a,19)^sha256_R(a,10))}function sha256_Sigma0512(a){return(sha256_S(a,28)^sha256_S(a,34)^sha256_S(a,39))}function sha256_Sigma1512(a){return(sha256_S(a,14)^sha256_S(a,18)^sha256_S(a,41))}function sha256_Gamma0512(a){return(sha256_S(a,1)^sha256_S(a,8)^sha256_R(a,7))}function sha256_Gamma1512(a){return(sha256_S(a,19)^sha256_S(a,61)^sha256_R(a,6))}var sha256_K=new Array(1116352408,1899447441,-1245643825,-373957723,961987163,1508970993,-1841331548,-1424204075,-670586216,310598401,607225278,1426881987,1925078388,-2132889090,-1680079193,-1046744716,-459576895,-272742522,264347078,604807628,770255983,1249150122,1555081692,1996064986,-1740746414,-1473132947,-1341970488,-1084653625,-958395405,-710438585,113926993,338241895,666307205,773529912,1294757372,1396182291,1695183700,1986661051,-2117940946,-1838011259,-1564481375,-1474664885,-1035236496,-949202525,-778901479,-694614492,-200395387,275423344,430227734,506948616,659060556,883997877,958139571,1322822218,1537002063,1747873779,1955562222,2024104815,-2067236844,-1933114872,-1866530822,-1538233109,-1090935817,-965641998);function binb_sha256(n,o){var p=new Array(1779033703,-1150833019,1013904242,-1521486534,1359893119,-1694144372,528734635,1541459225);var k=new Array(64);var B,A,z,y,w,u,t,s;var r,q,x,v;n[o>>5]|=128<<(24-o%32);n[((o+64>>9)<<4)+15]=o;for(r=0;r<n.length;r+=16){B=p[0];A=p[1];z=p[2];y=p[3];w=p[4];u=p[5];t=p[6];s=p[7];for(q=0;q<64;q++){if(q<16){k[q]=n[q+r]}else{k[q]=safe_add(safe_add(safe_add(sha256_Gamma1256(k[q-2]),k[q-7]),sha256_Gamma0256(k[q-15])),k[q-16])}x=safe_add(safe_add(safe_add(safe_add(s,sha256_Sigma1256(w)),sha256_Ch(w,u,t)),sha256_K[q]),k[q]);v=safe_add(sha256_Sigma0256(B),sha256_Maj(B,A,z));s=t;t=u;u=w;w=safe_add(y,x);y=z;z=A;A=B;B=safe_add(x,v)}p[0]=safe_add(B,p[0]);p[1]=safe_add(A,p[1]);p[2]=safe_add(z,p[2]);p[3]=safe_add(y,p[3]);p[4]=safe_add(w,p[4]);p[5]=safe_add(u,p[5]);p[6]=safe_add(t,p[6]);p[7]=safe_add(s,p[7])}return p}function safe_add(a,d){var c=(a&65535)+(d&65535);var b=(a>>16)+(d>>16)+(c>>16);return(b<<16)|(c&65535)};
Added modules/jshash/js/sha256.js. 




































































































































































































































































































































































































































































































































































































































































































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/*
 * A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined
 * in FIPS 180-2
 * Version 2.2 Copyright Angel Marin, Paul Johnston 2000 - 2009.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for details.
 * Also http://anmar.eu.org/projects/jssha2/
 */

/*
 * Configurable variables. You may need to tweak these to be compatible with
 * the server-side, but the defaults work in most cases.
 */
var hexcase = 0;  /* hex output format. 0 - lowercase; 1 - uppercase        */
var b64pad  = ""; /* base-64 pad character. "=" for strict RFC compliance   */

/*
 * These are the functions you'll usually want to call
 * They take string arguments and return either hex or base-64 encoded strings
 */
function hex_sha256(s)    { return rstr2hex(rstr_sha256(str2rstr_utf8(s))); }
function b64_sha256(s)    { return rstr2b64(rstr_sha256(str2rstr_utf8(s))); }
function any_sha256(s, e) { return rstr2any(rstr_sha256(str2rstr_utf8(s)), e); }
function hex_hmac_sha256(k, d)
  { return rstr2hex(rstr_hmac_sha256(str2rstr_utf8(k), str2rstr_utf8(d))); }
function b64_hmac_sha256(k, d)
  { return rstr2b64(rstr_hmac_sha256(str2rstr_utf8(k), str2rstr_utf8(d))); }
function any_hmac_sha256(k, d, e)
  { return rstr2any(rstr_hmac_sha256(str2rstr_utf8(k), str2rstr_utf8(d)), e); }

/*
 * Perform a simple self-test to see if the VM is working
 */
function sha256_vm_test()
{
  return hex_sha256("abc").toLowerCase() ==
            "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad";
}

/*
 * Calculate the sha256 of a raw string
 */
function rstr_sha256(s)
{
  return binb2rstr(binb_sha256(rstr2binb(s), s.length * 8));
}

/*
 * Calculate the HMAC-sha256 of a key and some data (raw strings)
 */
function rstr_hmac_sha256(key, data)
{
  var bkey = rstr2binb(key);
  if(bkey.length > 16) bkey = binb_sha256(bkey, key.length * 8);

  var ipad = Array(16), opad = Array(16);
  for(var i = 0; i < 16; i++)
  {
    ipad[i] = bkey[i] ^ 0x36363636;
    opad[i] = bkey[i] ^ 0x5C5C5C5C;
  }

  var hash = binb_sha256(ipad.concat(rstr2binb(data)), 512 + data.length * 8);
  return binb2rstr(binb_sha256(opad.concat(hash), 512 + 256));
}

/*
 * Convert a raw string to a hex string
 */
function rstr2hex(input)
{
  try { hexcase } catch(e) { hexcase=0; }
  var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
  var output = "";
  var x;
  for(var i = 0; i < input.length; i++)
  {
    x = input.charCodeAt(i);
    output += hex_tab.charAt((x >>> 4) & 0x0F)
           +  hex_tab.charAt( x        & 0x0F);
  }
  return output;
}

/*
 * Convert a raw string to a base-64 string
 */
function rstr2b64(input)
{
  try { b64pad } catch(e) { b64pad=''; }
  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
  var output = "";
  var len = input.length;
  for(var i = 0; i < len; i += 3)
  {
    var triplet = (input.charCodeAt(i) << 16)
                | (i + 1 < len ? input.charCodeAt(i+1) << 8 : 0)
                | (i + 2 < len ? input.charCodeAt(i+2)      : 0);
    for(var j = 0; j < 4; j++)
    {
      if(i * 8 + j * 6 > input.length * 8) output += b64pad;
      else output += tab.charAt((triplet >>> 6*(3-j)) & 0x3F);
    }
  }
  return output;
}

/*
 * Convert a raw string to an arbitrary string encoding
 */
function rstr2any(input, encoding)
{
  var divisor = encoding.length;
  var remainders = Array();
  var i, q, x, quotient;

  /* Convert to an array of 16-bit big-endian values, forming the dividend */
  var dividend = Array(Math.ceil(input.length / 2));
  for(i = 0; i < dividend.length; i++)
  {
    dividend[i] = (input.charCodeAt(i * 2) << 8) | input.charCodeAt(i * 2 + 1);
  }

  /*
   * Repeatedly perform a long division. The binary array forms the dividend,
   * the length of the encoding is the divisor. Once computed, the quotient
   * forms the dividend for the next step. We stop when the dividend is zero.
   * All remainders are stored for later use.
   */
  while(dividend.length > 0)
  {
    quotient = Array();
    x = 0;
    for(i = 0; i < dividend.length; i++)
    {
      x = (x << 16) + dividend[i];
      q = Math.floor(x / divisor);
      x -= q * divisor;
      if(quotient.length > 0 || q > 0)
        quotient[quotient.length] = q;
    }
    remainders[remainders.length] = x;
    dividend = quotient;
  }

  /* Convert the remainders to the output string */
  var output = "";
  for(i = remainders.length - 1; i >= 0; i--)
    output += encoding.charAt(remainders[i]);

  /* Append leading zero equivalents */
  var full_length = Math.ceil(input.length * 8 /
                                    (Math.log(encoding.length) / Math.log(2)))
  for(i = output.length; i < full_length; i++)
    output = encoding[0] + output;

  return output;
}

/*
 * Encode a string as utf-8.
 * For efficiency, this assumes the input is valid utf-16.
 */
function str2rstr_utf8(input)
{
  var output = "";
  var i = -1;
  var x, y;

  while(++i < input.length)
  {
    /* Decode utf-16 surrogate pairs */
    x = input.charCodeAt(i);
    y = i + 1 < input.length ? input.charCodeAt(i + 1) : 0;
    if(0xD800 <= x && x <= 0xDBFF && 0xDC00 <= y && y <= 0xDFFF)
    {
      x = 0x10000 + ((x & 0x03FF) << 10) + (y & 0x03FF);
      i++;
    }

    /* Encode output as utf-8 */
    if(x <= 0x7F)
      output += String.fromCharCode(x);
    else if(x <= 0x7FF)
      output += String.fromCharCode(0xC0 | ((x >>> 6 ) & 0x1F),
                                    0x80 | ( x         & 0x3F));
    else if(x <= 0xFFFF)
      output += String.fromCharCode(0xE0 | ((x >>> 12) & 0x0F),
                                    0x80 | ((x >>> 6 ) & 0x3F),
                                    0x80 | ( x         & 0x3F));
    else if(x <= 0x1FFFFF)
      output += String.fromCharCode(0xF0 | ((x >>> 18) & 0x07),
                                    0x80 | ((x >>> 12) & 0x3F),
                                    0x80 | ((x >>> 6 ) & 0x3F),
                                    0x80 | ( x         & 0x3F));
  }
  return output;
}

/*
 * Encode a string as utf-16
 */
function str2rstr_utf16le(input)
{
  var output = "";
  for(var i = 0; i < input.length; i++)
    output += String.fromCharCode( input.charCodeAt(i)        & 0xFF,
                                  (input.charCodeAt(i) >>> 8) & 0xFF);
  return output;
}

function str2rstr_utf16be(input)
{
  var output = "";
  for(var i = 0; i < input.length; i++)
    output += String.fromCharCode((input.charCodeAt(i) >>> 8) & 0xFF,
                                   input.charCodeAt(i)        & 0xFF);
  return output;
}

/*
 * Convert a raw string to an array of big-endian words
 * Characters >255 have their high-byte silently ignored.
 */
function rstr2binb(input)
{
  var output = Array(input.length >> 2);
  for(var i = 0; i < output.length; i++)
    output[i] = 0;
  for(var i = 0; i < input.length * 8; i += 8)
    output[i>>5] |= (input.charCodeAt(i / 8) & 0xFF) << (24 - i % 32);
  return output;
}

/*
 * Convert an array of big-endian words to a string
 */
function binb2rstr(input)
{
  var output = "";
  for(var i = 0; i < input.length * 32; i += 8)
    output += String.fromCharCode((input[i>>5] >>> (24 - i % 32)) & 0xFF);
  return output;
}

/*
 * Main sha256 function, with its support functions
 */
function sha256_S (X, n) {return ( X >>> n ) | (X << (32 - n));}
function sha256_R (X, n) {return ( X >>> n );}
function sha256_Ch(x, y, z) {return ((x & y) ^ ((~x) & z));}
function sha256_Maj(x, y, z) {return ((x & y) ^ (x & z) ^ (y & z));}
function sha256_Sigma0256(x) {return (sha256_S(x, 2) ^ sha256_S(x, 13) ^ sha256_S(x, 22));}
function sha256_Sigma1256(x) {return (sha256_S(x, 6) ^ sha256_S(x, 11) ^ sha256_S(x, 25));}
function sha256_Gamma0256(x) {return (sha256_S(x, 7) ^ sha256_S(x, 18) ^ sha256_R(x, 3));}
function sha256_Gamma1256(x) {return (sha256_S(x, 17) ^ sha256_S(x, 19) ^ sha256_R(x, 10));}
function sha256_Sigma0512(x) {return (sha256_S(x, 28) ^ sha256_S(x, 34) ^ sha256_S(x, 39));}
function sha256_Sigma1512(x) {return (sha256_S(x, 14) ^ sha256_S(x, 18) ^ sha256_S(x, 41));}
function sha256_Gamma0512(x) {return (sha256_S(x, 1)  ^ sha256_S(x, 8) ^ sha256_R(x, 7));}
function sha256_Gamma1512(x) {return (sha256_S(x, 19) ^ sha256_S(x, 61) ^ sha256_R(x, 6));}

var sha256_K = new Array
(
  1116352408, 1899447441, -1245643825, -373957723, 961987163, 1508970993,
  -1841331548, -1424204075, -670586216, 310598401, 607225278, 1426881987,
  1925078388, -2132889090, -1680079193, -1046744716, -459576895, -272742522,
  264347078, 604807628, 770255983, 1249150122, 1555081692, 1996064986,
  -1740746414, -1473132947, -1341970488, -1084653625, -958395405, -710438585,
  113926993, 338241895, 666307205, 773529912, 1294757372, 1396182291,
  1695183700, 1986661051, -2117940946, -1838011259, -1564481375, -1474664885,
  -1035236496, -949202525, -778901479, -694614492, -200395387, 275423344,
  430227734, 506948616, 659060556, 883997877, 958139571, 1322822218,
  1537002063, 1747873779, 1955562222, 2024104815, -2067236844, -1933114872,
  -1866530822, -1538233109, -1090935817, -965641998
);

function binb_sha256(m, l)
{
  var HASH = new Array(1779033703, -1150833019, 1013904242, -1521486534,
                       1359893119, -1694144372, 528734635, 1541459225);
  var W = new Array(64);
  var a, b, c, d, e, f, g, h;
  var i, j, T1, T2;

  /* append padding */
  m[l >> 5] |= 0x80 << (24 - l % 32);
  m[((l + 64 >> 9) << 4) + 15] = l;

  for(i = 0; i < m.length; i += 16)
  {
    a = HASH[0];
    b = HASH[1];
    c = HASH[2];
    d = HASH[3];
    e = HASH[4];
    f = HASH[5];
    g = HASH[6];
    h = HASH[7];

    for(j = 0; j < 64; j++)
    {
      if (j < 16) W[j] = m[j + i];
      else W[j] = safe_add(safe_add(safe_add(sha256_Gamma1256(W[j - 2]), W[j - 7]),
                                            sha256_Gamma0256(W[j - 15])), W[j - 16]);

      T1 = safe_add(safe_add(safe_add(safe_add(h, sha256_Sigma1256(e)), sha256_Ch(e, f, g)),
                                                          sha256_K[j]), W[j]);
      T2 = safe_add(sha256_Sigma0256(a), sha256_Maj(a, b, c));
      h = g;
      g = f;
      f = e;
      e = safe_add(d, T1);
      d = c;
      c = b;
      b = a;
      a = safe_add(T1, T2);
    }

    HASH[0] = safe_add(a, HASH[0]);
    HASH[1] = safe_add(b, HASH[1]);
    HASH[2] = safe_add(c, HASH[2]);
    HASH[3] = safe_add(d, HASH[3]);
    HASH[4] = safe_add(e, HASH[4]);
    HASH[5] = safe_add(f, HASH[5]);
    HASH[6] = safe_add(g, HASH[6]);
    HASH[7] = safe_add(h, HASH[7]);
  }
  return HASH;
}

function safe_add (x, y)
{
  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
  return (msw << 16) | (lsw & 0xFFFF);
}
Added modules/jshash/js/sha512-min.js. 




















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/*
 * A JavaScript implementation of the Secure Hash Algorithm, SHA-512, as defined
 * in FIPS 180-2
 * Version 2.2 Copyright Anonymous Contributor, Paul Johnston 2000 - 2009.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for details.
 */
var hexcase=0;function hex_sha512(a){return rstr2hex(rstr_sha512(str2rstr_utf8(a)))}function hex_hmac_sha512(a,b){return rstr2hex(rstr_hmac_sha512(str2rstr_utf8(a),str2rstr_utf8(b)))}function sha512_vm_test(){return hex_sha512("abc").toLowerCase()=="ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f"}function rstr_sha512(a){return binb2rstr(binb_sha512(rstr2binb(a),a.length*8))}function rstr_hmac_sha512(c,f){var e=rstr2binb(c);if(e.length>32){e=binb_sha512(e,c.length*8)}var a=Array(32),d=Array(32);for(var b=0;b<32;b++){a[b]=e[b]^909522486;d[b]=e[b]^1549556828}var g=binb_sha512(a.concat(rstr2binb(f)),1024+f.length*8);return binb2rstr(binb_sha512(d.concat(g),1024+512))}function rstr2hex(c){try{hexcase}catch(g){hexcase=0}var f=hexcase?"0123456789ABCDEF":"0123456789abcdef";var b="";var a;for(var d=0;d<c.length;d++){a=c.charCodeAt(d);b+=f.charAt((a>>>4)&15)+f.charAt(a&15)}return b}function str2rstr_utf8(c){var b="";var d=-1;var a,e;while(++d<c.length){a=c.charCodeAt(d);e=d+1<c.length?c.charCodeAt(d+1):0;if(55296<=a&&a<=56319&&56320<=e&&e<=57343){a=65536+((a&1023)<<10)+(e&1023);d++}if(a<=127){b+=String.fromCharCode(a)}else{if(a<=2047){b+=String.fromCharCode(192|((a>>>6)&31),128|(a&63))}else{if(a<=65535){b+=String.fromCharCode(224|((a>>>12)&15),128|((a>>>6)&63),128|(a&63))}else{if(a<=2097151){b+=String.fromCharCode(240|((a>>>18)&7),128|((a>>>12)&63),128|((a>>>6)&63),128|(a&63))}}}}}return b}function rstr2binb(b){var a=Array(b.length>>2);for(var c=0;c<a.length;c++){a[c]=0}for(var c=0;c<b.length*8;c+=8){a[c>>5]|=(b.charCodeAt(c/8)&255)<<(24-c%32)}return a}function binb2rstr(b){var a="";for(var c=0;c<b.length*32;c+=8){a+=String.fromCharCode((b[c>>5]>>>(24-c%32))&255)}return a}var sha512_k;function binb_sha512(p,A){if(sha512_k==undefined){sha512_k=new Array(new int64(1116352408,-685199838),new int64(1899447441,602891725),new int64(-1245643825,-330482897),new int64(-373957723,-2121671748),new int64(961987163,-213338824),new int64(1508970993,-1241133031),new int64(-1841331548,-1357295717),new int64(-1424204075,-630357736),new int64(-670586216,-1560083902),new int64(310598401,1164996542),new int64(607225278,1323610764),new int64(1426881987,-704662302),new int64(1925078388,-226784913),new int64(-2132889090,991336113),new int64(-1680079193,633803317),new int64(-1046744716,-815192428),new int64(-459576895,-1628353838),new int64(-272742522,944711139),new int64(264347078,-1953704523),new int64(604807628,2007800933),new int64(770255983,1495990901),new int64(1249150122,1856431235),new int64(1555081692,-1119749164),new int64(1996064986,-2096016459),new int64(-1740746414,-295247957),new int64(-1473132947,766784016),new int64(-1341970488,-1728372417),new int64(-1084653625,-1091629340),new int64(-958395405,1034457026),new int64(-710438585,-1828018395),new int64(113926993,-536640913),new int64(338241895,168717936),new int64(666307205,1188179964),new int64(773529912,1546045734),new int64(1294757372,1522805485),new int64(1396182291,-1651133473),new int64(1695183700,-1951439906),new int64(1986661051,1014477480),new int64(-2117940946,1206759142),new int64(-1838011259,344077627),new int64(-1564481375,1290863460),new int64(-1474664885,-1136513023),new int64(-1035236496,-789014639),new int64(-949202525,106217008),new int64(-778901479,-688958952),new int64(-694614492,1432725776),new int64(-200395387,1467031594),new int64(275423344,851169720),new int64(430227734,-1194143544),new int64(506948616,1363258195),new int64(659060556,-544281703),new int64(883997877,-509917016),new int64(958139571,-976659869),new int64(1322822218,-482243893),new int64(1537002063,2003034995),new int64(1747873779,-692930397),new int64(1955562222,1575990012),new int64(2024104815,1125592928),new int64(-2067236844,-1578062990),new int64(-1933114872,442776044),new int64(-1866530822,593698344),new int64(-1538233109,-561857047),new int64(-1090935817,-1295615723),new int64(-965641998,-479046869),new int64(-903397682,-366583396),new int64(-779700025,566280711),new int64(-354779690,-840897762),new int64(-176337025,-294727304),new int64(116418474,1914138554),new int64(174292421,-1563912026),new int64(289380356,-1090974290),new int64(460393269,320620315),new int64(685471733,587496836),new int64(852142971,1086792851),new int64(1017036298,365543100),new int64(1126000580,-1676669620),new int64(1288033470,-885112138),new int64(1501505948,-60457430),new int64(1607167915,987167468),new int64(1816402316,1246189591))}var q=new Array(new int64(1779033703,-205731576),new int64(-1150833019,-2067093701),new int64(1013904242,-23791573),new int64(-1521486534,1595750129),new int64(1359893119,-1377402159),new int64(-1694144372,725511199),new int64(528734635,-79577749),new int64(1541459225,327033209));var s=new int64(0,0),r=new int64(0,0),J=new int64(0,0),I=new int64(0,0),G=new int64(0,0),F=new int64(0,0),E=new int64(0,0),D=new int64(0,0),C=new int64(0,0),B=new int64(0,0),m=new int64(0,0),l=new int64(0,0),t=new int64(0,0),o=new int64(0,0),z=new int64(0,0),w=new int64(0,0),u=new int64(0,0);var v,y;var n=new Array(80);for(y=0;y<80;y++){n[y]=new int64(0,0)}p[A>>5]|=128<<(24-(A&31));p[((A+128>>10)<<5)+31]=A;for(y=0;y<p.length;y+=32){int64copy(J,q[0]);int64copy(I,q[1]);int64copy(G,q[2]);int64copy(F,q[3]);int64copy(E,q[4]);int64copy(D,q[5]);int64copy(C,q[6]);int64copy(B,q[7]);for(v=0;v<16;v++){n[v].h=p[y+2*v];n[v].l=p[y+2*v+1]}for(v=16;v<80;v++){int64rrot(z,n[v-2],19);int64revrrot(w,n[v-2],29);int64shr(u,n[v-2],6);l.l=z.l^w.l^u.l;l.h=z.h^w.h^u.h;int64rrot(z,n[v-15],1);int64rrot(w,n[v-15],8);int64shr(u,n[v-15],7);m.l=z.l^w.l^u.l;m.h=z.h^w.h^u.h;int64add4(n[v],l,n[v-7],m,n[v-16])}for(v=0;v<80;v++){t.l=(E.l&D.l)^(~E.l&C.l);t.h=(E.h&D.h)^(~E.h&C.h);int64rrot(z,E,14);int64rrot(w,E,18);int64revrrot(u,E,9);l.l=z.l^w.l^u.l;l.h=z.h^w.h^u.h;int64rrot(z,J,28);int64revrrot(w,J,2);int64revrrot(u,J,7);m.l=z.l^w.l^u.l;m.h=z.h^w.h^u.h;o.l=(J.l&I.l)^(J.l&G.l)^(I.l&G.l);o.h=(J.h&I.h)^(J.h&G.h)^(I.h&G.h);int64add5(s,B,l,t,sha512_k[v],n[v]);int64add(r,m,o);int64copy(B,C);int64copy(C,D);int64copy(D,E);int64add(E,F,s);int64copy(F,G);int64copy(G,I);int64copy(I,J);int64add(J,s,r)}int64add(q[0],q[0],J);int64add(q[1],q[1],I);int64add(q[2],q[2],G);int64add(q[3],q[3],F);int64add(q[4],q[4],E);int64add(q[5],q[5],D);int64add(q[6],q[6],C);int64add(q[7],q[7],B)}var k=new Array(16);for(y=0;y<8;y++){k[2*y]=q[y].h;k[2*y+1]=q[y].l}return k}function int64(b,a){this.h=b;this.l=a}function int64copy(b,a){b.h=a.h;b.l=a.l}function int64rrot(c,a,b){c.l=(a.l>>>b)|(a.h<<(32-b));c.h=(a.h>>>b)|(a.l<<(32-b))}function int64revrrot(c,a,b){c.l=(a.h>>>b)|(a.l<<(32-b));c.h=(a.l>>>b)|(a.h<<(32-b))}function int64shr(c,a,b){c.l=(a.l>>>b)|(a.h<<(32-b));c.h=(a.h>>>b)}function int64add(g,b,f){var d=(b.l&65535)+(f.l&65535);var c=(b.l>>>16)+(f.l>>>16)+(d>>>16);var a=(b.h&65535)+(f.h&65535)+(c>>>16);var e=(b.h>>>16)+(f.h>>>16)+(a>>>16);g.l=(d&65535)|(c<<16);g.h=(a&65535)|(e<<16)}function int64add4(j,m,l,k,i){var h=(m.l&65535)+(l.l&65535)+(k.l&65535)+(i.l&65535);var g=(m.l>>>16)+(l.l>>>16)+(k.l>>>16)+(i.l>>>16)+(h>>>16);var f=(m.h&65535)+(l.h&65535)+(k.h&65535)+(i.h&65535)+(g>>>16);var e=(m.h>>>16)+(l.h>>>16)+(k.h>>>16)+(i.h>>>16)+(f>>>16);j.l=(h&65535)|(g<<16);j.h=(f&65535)|(e<<16)}function int64add5(l,o,n,m,k,j){var i=(o.l&65535)+(n.l&65535)+(m.l&65535)+(k.l&65535)+(j.l&65535);var h=(o.l>>>16)+(n.l>>>16)+(m.l>>>16)+(k.l>>>16)+(j.l>>>16)+(i>>>16);var g=(o.h&65535)+(n.h&65535)+(m.h&65535)+(k.h&65535)+(j.h&65535)+(h>>>16);var f=(o.h>>>16)+(n.h>>>16)+(m.h>>>16)+(k.h>>>16)+(j.h>>>16)+(g>>>16);l.l=(i&65535)|(h<<16);l.h=(g&65535)|(f<<16)};
Added modules/jshash/js/sha512.js. 


































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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/*
 * A JavaScript implementation of the Secure Hash Algorithm, SHA-512, as defined
 * in FIPS 180-2
 * Version 2.2 Copyright Anonymous Contributor, Paul Johnston 2000 - 2009.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for details.
 */

/*
 * Configurable variables. You may need to tweak these to be compatible with
 * the server-side, but the defaults work in most cases.
 */
var hexcase = 0;  /* hex output format. 0 - lowercase; 1 - uppercase        */
var b64pad  = ""; /* base-64 pad character. "=" for strict RFC compliance   */

/*
 * These are the functions you'll usually want to call
 * They take string arguments and return either hex or base-64 encoded strings
 */
function hex_sha512(s)    { return rstr2hex(rstr_sha512(str2rstr_utf8(s))); }
function b64_sha512(s)    { return rstr2b64(rstr_sha512(str2rstr_utf8(s))); }
function any_sha512(s, e) { return rstr2any(rstr_sha512(str2rstr_utf8(s)), e);}
function hex_hmac_sha512(k, d)
  { return rstr2hex(rstr_hmac_sha512(str2rstr_utf8(k), str2rstr_utf8(d))); }
function b64_hmac_sha512(k, d)
  { return rstr2b64(rstr_hmac_sha512(str2rstr_utf8(k), str2rstr_utf8(d))); }
function any_hmac_sha512(k, d, e)
  { return rstr2any(rstr_hmac_sha512(str2rstr_utf8(k), str2rstr_utf8(d)), e);}

/*
 * Perform a simple self-test to see if the VM is working
 */
function sha512_vm_test()
{
  return hex_sha512("abc").toLowerCase() ==
    "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a" +
    "2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f";
}

/*
 * Calculate the SHA-512 of a raw string
 */
function rstr_sha512(s)
{
  return binb2rstr(binb_sha512(rstr2binb(s), s.length * 8));
}

/*
 * Calculate the HMAC-SHA-512 of a key and some data (raw strings)
 */
function rstr_hmac_sha512(key, data)
{
  var bkey = rstr2binb(key);
  if(bkey.length > 32) bkey = binb_sha512(bkey, key.length * 8);

  var ipad = Array(32), opad = Array(32);
  for(var i = 0; i < 32; i++)
  {
    ipad[i] = bkey[i] ^ 0x36363636;
    opad[i] = bkey[i] ^ 0x5C5C5C5C;
  }

  var hash = binb_sha512(ipad.concat(rstr2binb(data)), 1024 + data.length * 8);
  return binb2rstr(binb_sha512(opad.concat(hash), 1024 + 512));
}

/*
 * Convert a raw string to a hex string
 */
function rstr2hex(input)
{
  try { hexcase } catch(e) { hexcase=0; }
  var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
  var output = "";
  var x;
  for(var i = 0; i < input.length; i++)
  {
    x = input.charCodeAt(i);
    output += hex_tab.charAt((x >>> 4) & 0x0F)
           +  hex_tab.charAt( x        & 0x0F);
  }
  return output;
}

/*
 * Convert a raw string to a base-64 string
 */
function rstr2b64(input)
{
  try { b64pad } catch(e) { b64pad=''; }
  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
  var output = "";
  var len = input.length;
  for(var i = 0; i < len; i += 3)
  {
    var triplet = (input.charCodeAt(i) << 16)
                | (i + 1 < len ? input.charCodeAt(i+1) << 8 : 0)
                | (i + 2 < len ? input.charCodeAt(i+2)      : 0);
    for(var j = 0; j < 4; j++)
    {
      if(i * 8 + j * 6 > input.length * 8) output += b64pad;
      else output += tab.charAt((triplet >>> 6*(3-j)) & 0x3F);
    }
  }
  return output;
}

/*
 * Convert a raw string to an arbitrary string encoding
 */
function rstr2any(input, encoding)
{
  var divisor = encoding.length;
  var i, j, q, x, quotient;

  /* Convert to an array of 16-bit big-endian values, forming the dividend */
  var dividend = Array(Math.ceil(input.length / 2));
  for(i = 0; i < dividend.length; i++)
  {
    dividend[i] = (input.charCodeAt(i * 2) << 8) | input.charCodeAt(i * 2 + 1);
  }

  /*
   * Repeatedly perform a long division. The binary array forms the dividend,
   * the length of the encoding is the divisor. Once computed, the quotient
   * forms the dividend for the next step. All remainders are stored for later
   * use.
   */
  var full_length = Math.ceil(input.length * 8 /
                                    (Math.log(encoding.length) / Math.log(2)));
  var remainders = Array(full_length);
  for(j = 0; j < full_length; j++)
  {
    quotient = Array();
    x = 0;
    for(i = 0; i < dividend.length; i++)
    {
      x = (x << 16) + dividend[i];
      q = Math.floor(x / divisor);
      x -= q * divisor;
      if(quotient.length > 0 || q > 0)
        quotient[quotient.length] = q;
    }
    remainders[j] = x;
    dividend = quotient;
  }

  /* Convert the remainders to the output string */
  var output = "";
  for(i = remainders.length - 1; i >= 0; i--)
    output += encoding.charAt(remainders[i]);

  return output;
}

/*
 * Encode a string as utf-8.
 * For efficiency, this assumes the input is valid utf-16.
 */
function str2rstr_utf8(input)
{
  var output = "";
  var i = -1;
  var x, y;

  while(++i < input.length)
  {
    /* Decode utf-16 surrogate pairs */
    x = input.charCodeAt(i);
    y = i + 1 < input.length ? input.charCodeAt(i + 1) : 0;
    if(0xD800 <= x && x <= 0xDBFF && 0xDC00 <= y && y <= 0xDFFF)
    {
      x = 0x10000 + ((x & 0x03FF) << 10) + (y & 0x03FF);
      i++;
    }

    /* Encode output as utf-8 */
    if(x <= 0x7F)
      output += String.fromCharCode(x);
    else if(x <= 0x7FF)
      output += String.fromCharCode(0xC0 | ((x >>> 6 ) & 0x1F),
                                    0x80 | ( x         & 0x3F));
    else if(x <= 0xFFFF)
      output += String.fromCharCode(0xE0 | ((x >>> 12) & 0x0F),
                                    0x80 | ((x >>> 6 ) & 0x3F),
                                    0x80 | ( x         & 0x3F));
    else if(x <= 0x1FFFFF)
      output += String.fromCharCode(0xF0 | ((x >>> 18) & 0x07),
                                    0x80 | ((x >>> 12) & 0x3F),
                                    0x80 | ((x >>> 6 ) & 0x3F),
                                    0x80 | ( x         & 0x3F));
  }
  return output;
}

/*
 * Encode a string as utf-16
 */
function str2rstr_utf16le(input)
{
  var output = "";
  for(var i = 0; i < input.length; i++)
    output += String.fromCharCode( input.charCodeAt(i)        & 0xFF,
                                  (input.charCodeAt(i) >>> 8) & 0xFF);
  return output;
}

function str2rstr_utf16be(input)
{
  var output = "";
  for(var i = 0; i < input.length; i++)
    output += String.fromCharCode((input.charCodeAt(i) >>> 8) & 0xFF,
                                   input.charCodeAt(i)        & 0xFF);
  return output;
}

/*
 * Convert a raw string to an array of big-endian words
 * Characters >255 have their high-byte silently ignored.
 */
function rstr2binb(input)
{
  var output = Array(input.length >> 2);
  for(var i = 0; i < output.length; i++)
    output[i] = 0;
  for(var i = 0; i < input.length * 8; i += 8)
    output[i>>5] |= (input.charCodeAt(i / 8) & 0xFF) << (24 - i % 32);
  return output;
}

/*
 * Convert an array of big-endian words to a string
 */
function binb2rstr(input)
{
  var output = "";
  for(var i = 0; i < input.length * 32; i += 8)
    output += String.fromCharCode((input[i>>5] >>> (24 - i % 32)) & 0xFF);
  return output;
}

/*
 * Calculate the SHA-512 of an array of big-endian dwords, and a bit length
 */
var sha512_k;
function binb_sha512(x, len)
{
  if(sha512_k == undefined)
  {
    //SHA512 constants
    sha512_k = new Array(
new int64(0x428a2f98, -685199838), new int64(0x71374491, 0x23ef65cd),
new int64(-1245643825, -330482897), new int64(-373957723, -2121671748),
new int64(0x3956c25b, -213338824), new int64(0x59f111f1, -1241133031),
new int64(-1841331548, -1357295717), new int64(-1424204075, -630357736),
new int64(-670586216, -1560083902), new int64(0x12835b01, 0x45706fbe),
new int64(0x243185be, 0x4ee4b28c), new int64(0x550c7dc3, -704662302),
new int64(0x72be5d74, -226784913), new int64(-2132889090, 0x3b1696b1),
new int64(-1680079193, 0x25c71235), new int64(-1046744716, -815192428),
new int64(-459576895, -1628353838), new int64(-272742522, 0x384f25e3),
new int64(0xfc19dc6, -1953704523), new int64(0x240ca1cc, 0x77ac9c65),
new int64(0x2de92c6f, 0x592b0275), new int64(0x4a7484aa, 0x6ea6e483),
new int64(0x5cb0a9dc, -1119749164), new int64(0x76f988da, -2096016459),
new int64(-1740746414, -295247957), new int64(-1473132947, 0x2db43210),
new int64(-1341970488, -1728372417), new int64(-1084653625, -1091629340),
new int64(-958395405, 0x3da88fc2), new int64(-710438585, -1828018395),
new int64(0x6ca6351, -536640913), new int64(0x14292967, 0xa0e6e70),
new int64(0x27b70a85, 0x46d22ffc), new int64(0x2e1b2138, 0x5c26c926),
new int64(0x4d2c6dfc, 0x5ac42aed), new int64(0x53380d13, -1651133473),
new int64(0x650a7354, -1951439906), new int64(0x766a0abb, 0x3c77b2a8),
new int64(-2117940946, 0x47edaee6), new int64(-1838011259, 0x1482353b),
new int64(-1564481375, 0x4cf10364), new int64(-1474664885, -1136513023),
new int64(-1035236496, -789014639), new int64(-949202525, 0x654be30),
new int64(-778901479, -688958952), new int64(-694614492, 0x5565a910),
new int64(-200395387, 0x5771202a), new int64(0x106aa070, 0x32bbd1b8),
new int64(0x19a4c116, -1194143544), new int64(0x1e376c08, 0x5141ab53),
new int64(0x2748774c, -544281703), new int64(0x34b0bcb5, -509917016),
new int64(0x391c0cb3, -976659869), new int64(0x4ed8aa4a, -482243893),
new int64(0x5b9cca4f, 0x7763e373), new int64(0x682e6ff3, -692930397),
new int64(0x748f82ee, 0x5defb2fc), new int64(0x78a5636f, 0x43172f60),
new int64(-2067236844, -1578062990), new int64(-1933114872, 0x1a6439ec),
new int64(-1866530822, 0x23631e28), new int64(-1538233109, -561857047),
new int64(-1090935817, -1295615723), new int64(-965641998, -479046869),
new int64(-903397682, -366583396), new int64(-779700025, 0x21c0c207),
new int64(-354779690, -840897762), new int64(-176337025, -294727304),
new int64(0x6f067aa, 0x72176fba), new int64(0xa637dc5, -1563912026),
new int64(0x113f9804, -1090974290), new int64(0x1b710b35, 0x131c471b),
new int64(0x28db77f5, 0x23047d84), new int64(0x32caab7b, 0x40c72493),
new int64(0x3c9ebe0a, 0x15c9bebc), new int64(0x431d67c4, -1676669620),
new int64(0x4cc5d4be, -885112138), new int64(0x597f299c, -60457430),
new int64(0x5fcb6fab, 0x3ad6faec), new int64(0x6c44198c, 0x4a475817));
  }

  //Initial hash values
  var H = new Array(
new int64(0x6a09e667, -205731576),
new int64(-1150833019, -2067093701),
new int64(0x3c6ef372, -23791573),
new int64(-1521486534, 0x5f1d36f1),
new int64(0x510e527f, -1377402159),
new int64(-1694144372, 0x2b3e6c1f),
new int64(0x1f83d9ab, -79577749),
new int64(0x5be0cd19, 0x137e2179));

  var T1 = new int64(0, 0),
    T2 = new int64(0, 0),
    a = new int64(0,0),
    b = new int64(0,0),
    c = new int64(0,0),
    d = new int64(0,0),
    e = new int64(0,0),
    f = new int64(0,0),
    g = new int64(0,0),
    h = new int64(0,0),
    //Temporary variables not specified by the document
    s0 = new int64(0, 0),
    s1 = new int64(0, 0),
    Ch = new int64(0, 0),
    Maj = new int64(0, 0),
    r1 = new int64(0, 0),
    r2 = new int64(0, 0),
    r3 = new int64(0, 0);
  var j, i;
  var W = new Array(80);
  for(i=0; i<80; i++)
    W[i] = new int64(0, 0);

  // append padding to the source string. The format is described in the FIPS.
  x[len >> 5] |= 0x80 << (24 - (len & 0x1f));
  x[((len + 128 >> 10)<< 5) + 31] = len;

  for(i = 0; i<x.length; i+=32) //32 dwords is the block size
  {
    int64copy(a, H[0]);
    int64copy(b, H[1]);
    int64copy(c, H[2]);
    int64copy(d, H[3]);
    int64copy(e, H[4]);
    int64copy(f, H[5]);
    int64copy(g, H[6]);
    int64copy(h, H[7]);

    for(j=0; j<16; j++)
    {
        W[j].h = x[i + 2*j];
        W[j].l = x[i + 2*j + 1];
    }

    for(j=16; j<80; j++)
    {
      //sigma1
      int64rrot(r1, W[j-2], 19);
      int64revrrot(r2, W[j-2], 29);
      int64shr(r3, W[j-2], 6);
      s1.l = r1.l ^ r2.l ^ r3.l;
      s1.h = r1.h ^ r2.h ^ r3.h;
      //sigma0
      int64rrot(r1, W[j-15], 1);
      int64rrot(r2, W[j-15], 8);
      int64shr(r3, W[j-15], 7);
      s0.l = r1.l ^ r2.l ^ r3.l;
      s0.h = r1.h ^ r2.h ^ r3.h;

      int64add4(W[j], s1, W[j-7], s0, W[j-16]);
    }

    for(j = 0; j < 80; j++)
    {
      //Ch
      Ch.l = (e.l & f.l) ^ (~e.l & g.l);
      Ch.h = (e.h & f.h) ^ (~e.h & g.h);

      //Sigma1
      int64rrot(r1, e, 14);
      int64rrot(r2, e, 18);
      int64revrrot(r3, e, 9);
      s1.l = r1.l ^ r2.l ^ r3.l;
      s1.h = r1.h ^ r2.h ^ r3.h;

      //Sigma0
      int64rrot(r1, a, 28);
      int64revrrot(r2, a, 2);
      int64revrrot(r3, a, 7);
      s0.l = r1.l ^ r2.l ^ r3.l;
      s0.h = r1.h ^ r2.h ^ r3.h;

      //Maj
      Maj.l = (a.l & b.l) ^ (a.l & c.l) ^ (b.l & c.l);
      Maj.h = (a.h & b.h) ^ (a.h & c.h) ^ (b.h & c.h);

      int64add5(T1, h, s1, Ch, sha512_k[j], W[j]);
      int64add(T2, s0, Maj);

      int64copy(h, g);
      int64copy(g, f);
      int64copy(f, e);
      int64add(e, d, T1);
      int64copy(d, c);
      int64copy(c, b);
      int64copy(b, a);
      int64add(a, T1, T2);
    }
    int64add(H[0], H[0], a);
    int64add(H[1], H[1], b);
    int64add(H[2], H[2], c);
    int64add(H[3], H[3], d);
    int64add(H[4], H[4], e);
    int64add(H[5], H[5], f);
    int64add(H[6], H[6], g);
    int64add(H[7], H[7], h);
  }

  //represent the hash as an array of 32-bit dwords
  var hash = new Array(16);
  for(i=0; i<8; i++)
  {
    hash[2*i] = H[i].h;
    hash[2*i + 1] = H[i].l;
  }
  return hash;
}

//A constructor for 64-bit numbers
function int64(h, l)
{
  this.h = h;
  this.l = l;
  //this.toString = int64toString;
}

//Copies src into dst, assuming both are 64-bit numbers
function int64copy(dst, src)
{
  dst.h = src.h;
  dst.l = src.l;
}

//Right-rotates a 64-bit number by shift
//Won't handle cases of shift>=32
//The function revrrot() is for that
function int64rrot(dst, x, shift)
{
    dst.l = (x.l >>> shift) | (x.h << (32-shift));
    dst.h = (x.h >>> shift) | (x.l << (32-shift));
}

//Reverses the dwords of the source and then rotates right by shift.
//This is equivalent to rotation by 32+shift
function int64revrrot(dst, x, shift)
{
    dst.l = (x.h >>> shift) | (x.l << (32-shift));
    dst.h = (x.l >>> shift) | (x.h << (32-shift));
}

//Bitwise-shifts right a 64-bit number by shift
//Won't handle shift>=32, but it's never needed in SHA512
function int64shr(dst, x, shift)
{
    dst.l = (x.l >>> shift) | (x.h << (32-shift));
    dst.h = (x.h >>> shift);
}

//Adds two 64-bit numbers
//Like the original implementation, does not rely on 32-bit operations
function int64add(dst, x, y)
{
   var w0 = (x.l & 0xffff) + (y.l & 0xffff);
   var w1 = (x.l >>> 16) + (y.l >>> 16) + (w0 >>> 16);
   var w2 = (x.h & 0xffff) + (y.h & 0xffff) + (w1 >>> 16);
   var w3 = (x.h >>> 16) + (y.h >>> 16) + (w2 >>> 16);
   dst.l = (w0 & 0xffff) | (w1 << 16);
   dst.h = (w2 & 0xffff) | (w3 << 16);
}

//Same, except with 4 addends. Works faster than adding them one by one.
function int64add4(dst, a, b, c, d)
{
   var w0 = (a.l & 0xffff) + (b.l & 0xffff) + (c.l & 0xffff) + (d.l & 0xffff);
   var w1 = (a.l >>> 16) + (b.l >>> 16) + (c.l >>> 16) + (d.l >>> 16) + (w0 >>> 16);
   var w2 = (a.h & 0xffff) + (b.h & 0xffff) + (c.h & 0xffff) + (d.h & 0xffff) + (w1 >>> 16);
   var w3 = (a.h >>> 16) + (b.h >>> 16) + (c.h >>> 16) + (d.h >>> 16) + (w2 >>> 16);
   dst.l = (w0 & 0xffff) | (w1 << 16);
   dst.h = (w2 & 0xffff) | (w3 << 16);
}

//Same, except with 5 addends
function int64add5(dst, a, b, c, d, e)
{
   var w0 = (a.l & 0xffff) + (b.l & 0xffff) + (c.l & 0xffff) + (d.l & 0xffff) + (e.l & 0xffff);
   var w1 = (a.l >>> 16) + (b.l >>> 16) + (c.l >>> 16) + (d.l >>> 16) + (e.l >>> 16) + (w0 >>> 16);
   var w2 = (a.h & 0xffff) + (b.h & 0xffff) + (c.h & 0xffff) + (d.h & 0xffff) + (e.h & 0xffff) + (w1 >>> 16);
   var w3 = (a.h >>> 16) + (b.h >>> 16) + (c.h >>> 16) + (d.h >>> 16) + (e.h >>> 16) + (w2 >>> 16);
   dst.l = (w0 & 0xffff) | (w1 << 16);
   dst.h = (w2 & 0xffff) | (w3 << 16);
}
Added modules/jshash/js/test-min.py. 
























































































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#--
# Script to test the JavaScript hash algorithms
# This produces an HTML file, that you load in a browser to run the tests
#--
import hashlib, base64, hmac

all_algs = ['md5', 'sha1', 'ripemd160', 'sha256', 'sha512']
short = {'ripemd160': 'rmd160'}
test_strings = ['hello', 'world', u'fred\u1234'.encode('utf-8'), 'this is a longer test message to confirm that multiple blocks are handled correctly by the hashing algorithm']

print """<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"/></head><body>"""

for alg in all_algs:
    algs = short.get(alg, alg)

    print """<script src="%s-min.js"></script>
<script>
var pass = 0; fail = 0;
function check(a, b)
{
    if(a != b)
    {
        document.write('Test fail: ' + a + ' != ' + b + '<br/>');
        fail += 1;
    }
    else pass += 1;
}
document.write("Testing %s...<br/>");
""" % (alg, alg)

    for t in test_strings:
        h = hashlib.new(alg)
        h.update(t)
        print "check(hex_%s('%s'), '%s');" % (algs, t, h.hexdigest())
        h = hmac.new('key', t, lambda: hashlib.new(alg))
        print "check(hex_hmac_%s('key', '%s'), '%s');" % (algs, t, h.hexdigest())

    print """
document.write('Tests competed - ' + pass + ' passed; ' + fail + ' failed.<br/><br/>');
</script>
"""

print "</body></html>"
Added modules/jshash/js/test.py. 




























































































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#--
# Script to test the JavaScript hash algorithms
# This produces an HTML file, that you load in a browser to run the tests
#--
import hashlib, base64, hmac

all_algs = ['md5', 'sha1', 'ripemd160', 'sha256', 'sha512']
short = {'ripemd160': 'rmd160'}
test_strings = ['hello', 'world', u'fred\u1234'.encode('utf-8'), 'this is a longer test message to confirm that multiple blocks are handled correctly by the hashing algorithm']

print """<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"/></head><body>"""

for alg in all_algs:
    algs = short.get(alg, alg)

    print """<script src="%s.js"></script>
<script>
var pass = 0; fail = 0;
function check(a, b)
{
    if(a != b)
    {
        document.write('Test fail: ' + a + ' != ' + b + '<br/>');
        fail += 1;
    }
    else pass += 1;
}
document.write("Testing %s...<br/>");
""" % (alg, alg)

    for t in test_strings:
        h = hashlib.new(alg)
        h.update(t)
        print "check(hex_%s('%s'), '%s');" % (algs, t, h.hexdigest())
        print "check(b64_%s('%s'), '%s');" % (algs, t, base64.b64encode(h.digest()).rstrip('='))
        h = hmac.new('key', t, lambda: hashlib.new(alg))
        print "check(hex_hmac_%s('key', '%s'), '%s');" % (algs, t, h.hexdigest())
        print "check(b64_hmac_%s('key', '%s'), '%s');" % (algs, t, base64.b64encode(h.digest()).rstrip('='))

    print """
document.write('Tests competed - ' + pass + ' passed; ' + fail + ' failed.<br/><br/>');
</script>
"""

print "</body></html>"
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A JavaScript implementation of the Secure Hash Algorithm

Version 2.2 Copyright Anonymous Contributor, Paul Johnston 2000 - 2009.

Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet

Distributed under the BSD License
See <http://pajhome.org.uk/crypt/md5> for details.

This package adds javascripts capable of performing md5 and
sha1 hashes, and makes them available at /jshash on the local
webserver.

To use them add the following block of code to your pages:

    <script type="text/javascript" src="/jshash/sha1.js"></script>
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###
# Add hooks for jshash
###

package require httpd::doc	;# Httpd_Redirect Httpd_ReturnData

set PWD [file dirname [file normalize [info script]]]

Doc_AddRoot /jshash $PWD/js

package provide httpd::jshash 0.1
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# Tcl package index file, version 1.1
# This file is generated by the "pkg_mkIndex" command
# and sourced either when an application starts up or
# by a "package unknown" script.  It invokes the
# "package ifneeded" command to set up package-related
# information so that packages will be loaded automatically
# in response to "package require" commands.  When this
# script is sourced, the variable $dir must contain the
# full path name of this file's directory.

package ifneeded httpd::jshash 0.1 [list source [file join $dir jshash.tcl]]
Changes to modules/tao-sqlite/tao-sqlite.md. 












































































































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Back to [tao](../tao.md)

tao-sqlite is a module of related classes which act as ambassadors to **sqlte** database connections.

# Sub-Modules

[yggdrasil](yggdrasil.md)

# Core Classes

## class taodb::connection

Implements a generic wrapper around a database connection. (Note: at this
point only sqlite has been developed.)

Ancestors: [tao.onion](../tao/onions.md)

### Methods

#### method active_layers

Return a list of database layers to act as ambassodors for various
collections of tables. See [onions](../tao/onions.md)

#### method Database_Create

Commands to invoke when the interface attempts to connect to a virgin
database. This method should build the database schema and populate any
starter data.

#### method Database_Functions

Inject functions into the database interface. For sqlite, this method
invokes the interface's native *function* method to map an sqlite function
to a Tcl command.

#### Ensemble schema

Ensemble to manage database schemas.

##### method schema create_sql

Return fully formed SQL code to implement the schema

The default implementation
is to interrogate the object layers for a *schema create_sql* property.

##### method schema tables

Return a list of tables specified by the schema. The default implementation
is to interrogate the object layers for a *schema table* property.
Changes to modules/tao/lutils.tcl.
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    foreach item $value {
        if {[lsearch $list $item] >= 0} {
            return true
        }
    }
    return false
}
















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    foreach item $value {
        if {[lsearch $list $item] >= 0} {
            return true
        }
    }
    return false
}

makeproc cat filename {
  set fin [open $filename r]
  set dat [read $fin]
  close $fin
  return $dat
}
Added modules/tao/onions.md. 






























































































































































































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Onions have layers. Like ogres. Or parfaits.

# Class tao::layer

## Options

* prefix - A letter code for this layer
* layer\_name - A plaintext name for this layer.
* layer\_index\_order - Integer which expresses what order this layer should be index. (0 first -> infinity)

## Methods

### method node\_is\_managed *unit*

Returns true if an object or record described by *unit* is managed by this object.

### method type\_is\_managed *unit*

Returns true if an type, class or family of records described by *unit* is managed by this object.

# Class tao::onion

## Variables

* layers - A dict containing a mapping of layer names and the objects which implement them.

## Properties

* shared_organs - A list of stubs which are also connected to any node or layer spawned by this object.

## Methods

### method action activate_layers

Action to perform after all of the layer objects have been connected.

### method activate_layers ?1|0?

Using the output of *active_layers*, build a nest of layers. If a *1* is
given as the first argument, all existing layers are unmapped and destroyed
before mapping new layers. Otherwise layers that were previously mapped
and not present in the current incarnation of the object are destroyed. Layers
which exist in the current incarnation, but which arent't mapped are created.
Layers that are mapped, and present in the *active_layers*, but which
have a different class implementation morph into the new class.

### method active_layers

Return a dict describing the layers that should be mapped to this object.

Example:

    method active_layers {} {
      set result {
        xtype     {prefix y class sde.layer.xtype}
        eqpt      {prefix e class sde.layer.eqpt}
        portal    {prefix p class sde.layer.portal}
      }
      return $result
    }
    
### method layer *layerid* ?*method*? ?*args...*?

With only the *layerid* argument, return the object which implements
the layer described by *layerid*. If the layer does not exist, ::noop (a command which takes any argument
and does nothing) is returned.

If more arguments are specified, the command will exercise the *method* of the
layer object using any additional *args*.

Example:

    set obj [::db layer users]
    set username [$obj record_exists $userid]
    
    OR
    
    set exists [::db layer users record_exists $userid]

### method layers

Return a dict describing the layers currently mapped to this object.

### method Shared_Organs

Return a list of organs for this object which should also be grafted to
any layers or other nodes spawned by it. The default implementation is to
return the contents of the value of *property shared_organs*

### Method SubObject layer *name*

Return the fully qualified name of the object which will implement this layer.

The default implementation return \[namespace current\]::SubObject\_Layer\_\$name
Added modules/tao/property.md.