/
passhash.htm
1650 lines (1540 loc) · 59.8 KB
/
passhash.htm
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<title>Password Hasher</title>
<meta http-equiv="content-type" content="text-html; charset=utf-8">
<style>
<!--!skin:passhash-portable.css-->
body {
background-color: #eeffee;
font-family: arial;
}
ul {
margin-left: 10px;
padding-left: 0px;
margin-top:0em;
}
li {
font-size: 10pt;
font-family: arial;
padding-top: .25em;
margin-top:0em;
}
.formfield {
font-size: 10pt;
font-family: serif;
width: 160px;
}
.formtable {
border: thin green solid;
padding: .3em;
}
.title {
font-size: 10pt;
font-family: arial;
font-weight: bold;
color: #6060a0;
text-align: center;
}
.result {
font-family: serif;
background-color: #d0d0f0;
}
.formlabel {
font-size: 9pt;
font-family: arial;
font-weight: bold;
color: #607888;
text-align: left;
width: 78px;
}
.optionbox {
border: thin silver solid;
}
.optionlabel {
font-size: 9pt;
font-family: arial;
font-weight: bold;
color: #607888;
text-align: left;
}
.optiontable {
}
.option {
font-size: 10pt;
font-family: arial;
}
.noteshead {
font-size: 10pt;
font-family: arial;
font-weight: bold;
padding-top: .5em;
color: #336633;
}
.prompt {
font-size: 10pt;
font-family: arial;
font-weight: normal;
color: #222288;
height: 40px;
}
.button {
width: 70px;
}
.password {
font-size: 10pt;
width: 160px;
}
</style>
<script language="JavaScript" type="text/javascript">
<!--!content:passhash-portable.js-->
var browser = new Object();
browser.version = parseInt(navigator.appVersion);
browser.isNetscape = false;
browser.isMicrosoft = false;
if (navigator.appName.indexOf("Netscape") != -1)
browser.isNetscape = true;
else if (navigator.appName.indexOf("Microsoft") != -1)
browser.isMicrosoft = true;
var siteTagLast = '';
var masterKeyLast = '';
function onLoad()
{
if (browser.isMicrosoft)
{
document.getElementById('reveal').disabled = true;
document.getElementById('reveal-text').disabled = true;
}
document.getElementById('site-tag').focus();
setTimeout('checkChange()',1000);
}
function validate(form)
{
var siteTag = document.getElementById('site-tag');
var masterKey = document.getElementById('master-key');
if (!siteTag.value)
{
siteTag.focus();
return false;
}
if (!masterKey.value)
{
masterKey.focus();
return false;
}
return true;
}
function update()
{
var siteTag = document.getElementById('site-tag');
var masterKey = document.getElementById('master-key');
var hashWord = document.getElementById('hash-word');
var submit = document.getElementById('submit');
if (submit.value == 'Another')
{
siteTag.focus();
submit.value = 'OK';
hashWord.value = '';
}
else
{
//var hashapass = b64_hmac_sha1(masterKey.value, siteTag.value).substr(0,8);
var hashWordSize = 8;
var requireDigit = document.getElementById("digit").checked;
var requirePunctuation = document.getElementById("punctuation").checked;
var requireMixedCase = document.getElementById("mixedCase").checked;
var restrictSpecial = document.getElementById("noSpecial").checked;
var restrictDigits = document.getElementById("digitsOnly").checked;
if (document.getElementById("s6" ).checked) hashWordSize = 6;
else if (document.getElementById("s8" ).checked) hashWordSize = 8;
else if (document.getElementById("s10").checked) hashWordSize = 10;
else if (document.getElementById("s12").checked) hashWordSize = 12;
else if (document.getElementById("s14").checked) hashWordSize = 14;
else if (document.getElementById("s16").checked) hashWordSize = 16;
else if (document.getElementById("s18").checked) hashWordSize = 18;
else if (document.getElementById("s20").checked) hashWordSize = 20;
else if (document.getElementById("s22").checked) hashWordSize = 22;
else if (document.getElementById("s24").checked) hashWordSize = 24;
else if (document.getElementById("s26").checked) hashWordSize = 26;
hashWord.value = PassHashCommon.generateHashWord(
siteTag.value,
masterKey.value,
hashWordSize,
requireDigit,
requirePunctuation,
requireMixedCase,
restrictSpecial,
restrictDigits);
hashWord.focus();
submit.value = 'Another';
}
siteTagLast = siteTag.value;
masterKeyLast = masterKey.value;
}
function onEnterField(fld, msg)
{
// Select the field
try
{
fld.select();
}
catch (ex) {}
// Set the prompt
document.getElementById('prompt').innerHTML = msg;
}
function checkChange()
{
var siteTag = document.getElementById('site-tag');
var masterKey = document.getElementById('master-key');
var hashWord = document.getElementById('hash-word');
if (siteTag.value != siteTagLast || masterKey.value != masterKeyLast)
{
hashWord.value = '';
siteTagLast = siteTag.value;
masterKeyLast = masterKey.value;
}
setTimeout('checkChange()', 1000);
}
function onEnterSubmitButton(fld)
{
if (fld.value == 'Another')
onEnterField(fld, 'Start another hashword');
else
onEnterField(fld, 'Generate hashword');
}
function onLeaveField(fld)
{
// Remove the selection (is this the best way?)
var v = fld.value;
fld.value = '';
fld.value = v;
// Remove the prompt
document.getElementById('prompt').innerHTML = '';
}
function onLeaveResultField(hashWord)
{
var submit = document.getElementById('submit');
submit.value = 'OK';
// hashWord.value = '';
document.getElementById('prompt').innerHTML = '';
}
function onReveal(fld)
{
var masterKey = document.getElementById('master-key');
try
{
if (fld.checked)
masterKey.setAttribute("type", "");
else
masterKey.setAttribute("type", "password");
} catch (ex) {}
document.getElementById('master-key').focus();
}
function onNoSpecial(fld)
{
document.getElementById('punctuation').disabled = fld.checked;
update();
}
function onDigitsOnly(fld)
{
document.getElementById('punctuation').disabled = fld.checked;
document.getElementById("digit" ).disabled = fld.checked;
document.getElementById("punctuation").disabled = fld.checked;
document.getElementById("mixedCase" ).disabled = fld.checked;
document.getElementById("noSpecial" ).disabled = fld.checked;
update();
}
function onBump()
{
var siteTag = document.getElementById("site-tag");
siteTag.value = PassHashCommon.bumpSiteTag(siteTag.value);
update();
}
function onSelectSiteTag(fld)
{
var siteTag = document.getElementById('site-tag');
siteTag.value = fld[fld.selectedIndex].text;
var options = fld[fld.selectedIndex].value;
document.getElementById("digit" ).checked = (options.search(/d/i) >= 0);
document.getElementById("punctuation").checked = (options.search(/p/i) >= 0);
document.getElementById("mixedCase" ).checked = (options.search(/m/i) >= 0);
document.getElementById("noSpecial" ).checked = (options.search(/r/i) >= 0);
document.getElementById("digitsOnly" ).checked = (options.search(/g/i) >= 0);
document.getElementById('punctuation').disabled = (options.search(/[rg]/i) >= 0);
document.getElementById("digit" ).disabled = (options.search(/g/i) >= 0);
document.getElementById("punctuation").disabled = (options.search(/g/i) >= 0);
document.getElementById("mixedCase" ).disabled = (options.search(/g/i) >= 0);
document.getElementById("noSpecial" ).disabled = (options.search(/g/i) >= 0);
var sizeMatch = options.match(/[0-9]+/);
var hashWordSize = (sizeMatch != null && sizeMatch.length > 0
? parseInt(sizeMatch[0])
: 8);
document.getElementById("s6" ).checked = (hashWordSize == 6 );
document.getElementById("s8" ).checked = (hashWordSize == 8 );
document.getElementById("s10").checked = (hashWordSize == 10);
document.getElementById("s12").checked = (hashWordSize == 12);
document.getElementById("s14").checked = (hashWordSize == 14);
document.getElementById("s16").checked = (hashWordSize == 16);
document.getElementById("s18").checked = (hashWordSize == 18);
document.getElementById("s20").checked = (hashWordSize == 20);
document.getElementById("s22").checked = (hashWordSize == 22);
document.getElementById("s24").checked = (hashWordSize == 24);
document.getElementById("s26").checked = (hashWordSize == 26);
if (validate())
update();
}
function onLeaveSelectSiteTag(fld)
{
// Remove the prompt
document.getElementById('prompt').innerHTML = '';
}
</script>
<script language="JavaScript" type="text/javascript">
<!--!content:passhash-sha1.js-->
/*
* A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
* in FIPS PUB 180-1
* Version 2.1a Copyright Paul Johnston 2000 - 2002.
* 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 */
var chrsz = 8; /* bits per input character. 8 - ASCII; 16 - Unicode */
/*
* 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 binb2hex(core_sha1(str2binb(s),s.length * chrsz));}
function b64_sha1(s){return binb2b64(core_sha1(str2binb(s),s.length * chrsz));}
function str_sha1(s){return binb2str(core_sha1(str2binb(s),s.length * chrsz));}
function hex_hmac_sha1(key, data){ return binb2hex(core_hmac_sha1(key, data));}
function b64_hmac_sha1(key, data){ return binb2b64(core_hmac_sha1(key, data));}
function str_hmac_sha1(key, data){ return binb2str(core_hmac_sha1(key, data));}
/*
* Perform a simple self-test to see if the VM is working
*/
function sha1_vm_test()
{
return hex_sha1("abc") == "a9993e364706816aba3e25717850c26c9cd0d89d";
}
/*
* Calculate the SHA-1 of an array of big-endian words, and a bit length
*/
function core_sha1(x, len)
{
/* append padding */
/* SC - Get rid of warning */
var i = (len >> 5);
if (x[i] == undefined)
x[i] = 0x80 << (24 - len % 32);
else
x[i] |= 0x80 << (24 - len % 32);
/*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] = rol(w[j-3] ^ w[j-8] ^ w[j-14] ^ w[j-16], 1);
var t = safe_add(safe_add(rol(a, 5), sha1_ft(j, b, c, d)),
safe_add(safe_add(e, w[j]), sha1_kt(j)));
e = d;
d = c;
c = 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;
}
/*
* Calculate the HMAC-SHA1 of a key and some data
*/
function core_hmac_sha1(key, data)
{
var bkey = str2binb(key);
if(bkey.length > 16) bkey = core_sha1(bkey, key.length * chrsz);
var ipad = Array(16), opad = Array(16);
for(var i = 0; i < 16; i++)
{
/* SC - Get rid of warning */
var k = (bkey[i] != undefined ? bkey[i] : 0);
ipad[i] = k ^ 0x36363636;
opad[i] = k ^ 0x5C5C5C5C;
/* ipad[i] = bkey[i] ^ 0x36363636;
opad[i] = bkey[i] ^ 0x5C5C5C5C;*/
}
var hash = core_sha1(ipad.concat(str2binb(data)), 512 + data.length * chrsz);
return core_sha1(opad.concat(hash), 512 + 160);
}
/*
* 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 rol(num, cnt)
{
return (num << cnt) | (num >>> (32 - cnt));
}
/*
* Convert an 8-bit or 16-bit string to an array of big-endian words
* In 8-bit function, characters >255 have their hi-byte silently ignored.
*/
function str2binb(str)
{
var bin = Array();
var mask = (1 << chrsz) - 1;
/* SC - Get rid of warnings */
for(var i = 0; i < str.length * chrsz; i += chrsz)
{
if (bin[i>>5] != undefined)
bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (32 - chrsz - i%32);
else
bin[i>>5] = (str.charCodeAt(i / chrsz) & mask) << (32 - chrsz - i%32);
}
/*for(var i = 0; i < str.length * chrsz; i += chrsz)
bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (32 - chrsz - i%32);*/
return bin;
}
/*
* Convert an array of big-endian words to a string
*/
function binb2str(bin)
{
var str = "";
var mask = (1 << chrsz) - 1;
for(var i = 0; i < bin.length * 32; i += chrsz)
str += String.fromCharCode((bin[i>>5] >>> (32 - chrsz - i%32)) & mask);
return str;
}
/*
* Convert an array of big-endian words to a hex string.
*/
function binb2hex(binarray)
{
var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
var str = "";
for(var i = 0; i < binarray.length * 4; i++)
{
str += hex_tab.charAt((binarray[i>>2] >> ((3 - i%4)*8+4)) & 0xF) +
hex_tab.charAt((binarray[i>>2] >> ((3 - i%4)*8 )) & 0xF);
}
return str;
}
/*
* Convert an array of big-endian words to a base-64 string
*/
function binb2b64(binarray)
{
var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var str = "";
for(var i = 0; i < binarray.length * 4; i += 3)
{
/* SC - Get rid of warning */
var b1 = binarray[i >> 2] != undefined ? ((binarray[i >> 2] >> 8 * (3 - i %4)) & 0xFF) << 16 : 0;
var b2 = binarray[i+1 >> 2] != undefined ? ((binarray[i+1 >> 2] >> 8 * (3 - (i+1)%4)) & 0xFF) << 8 : 0;
var b3 = binarray[i+2 >> 2] != undefined ? ((binarray[i+2 >> 2] >> 8 * (3 - (i+2)%4)) & 0xFF) : 0;
var triplet = b1 | b2 | b3;
/*var triplet = (((binarray[i >> 2] >> 8 * (3 - i %4)) & 0xFF) << 16)
| (((binarray[i+1 >> 2] >> 8 * (3 - (i+1)%4)) & 0xFF) << 8 )
| ((binarray[i+2 >> 2] >> 8 * (3 - (i+2)%4)) & 0xFF);*/
for(var j = 0; j < 4; j++)
{
if(i * 8 + j * 6 > binarray.length * 32) str += b64pad;
else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);
}
}
return str;
}
</script>
<script language="JavaScript" type="text/javascript">
<!--!content:passhash-common.js-->
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Password Hasher
*
* The Initial Developer of the Original Code is Steve Cooper.
* Portions created by the Initial Developer are Copyright (C) 2006
* the Initial Developer. All Rights Reserved.
*
* Contributor(s): (none)
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
var PassHashCommon =
{
// Artificial host name used for for saving to the password database
host: "passhash.passhash",
log: function(msg)
{
var consoleService = Components.classes["@mozilla.org/consoleservice;1"]
.getService(Components.interfaces.nsIConsoleService);
consoleService.logStringMessage(msg);
},
loadOptions: function()
{
var opts = this.createOptions();
var prefs = Components.classes["@mozilla.org/preferences-service;1"].
getService(Components.interfaces.nsIPrefService).getBranch("passhash.");
var forceSave = false;
if (prefs.prefHasUserValue("optSecurityLevel"))
{
opts.securityLevel = prefs.getIntPref("optSecurityLevel");
opts.firstTime = false;
forceSave = true;
}
if (prefs.prefHasUserValue("optGuessSiteTag"))
opts.guessSiteTag = prefs.getBoolPref("optGuessSiteTag");
if (prefs.prefHasUserValue("optRememberSiteTag"))
opts.rememberSiteTag = prefs.getBoolPref("optRememberSiteTag");
if (prefs.prefHasUserValue("optRememberMasterKey"))
opts.rememberMasterKey = prefs.getBoolPref("optRememberMasterKey");
if (prefs.prefHasUserValue("optRevealSiteTag"))
opts.revealSiteTag = prefs.getBoolPref("optRevealSiteTag");
if (prefs.prefHasUserValue("optRevealHashWord"))
opts.revealHashWord = prefs.getBoolPref("optRevealHashWord");
if (prefs.prefHasUserValue("optShowMarker"))
opts.showMarker = prefs.getBoolPref("optShowMarker");
if (prefs.prefHasUserValue("optUnmaskMarker"))
opts.unmaskMarker = prefs.getBoolPref("optUnmaskMarker");
if (prefs.prefHasUserValue("optGuessFullDomain"))
opts.guessFullDomain = prefs.getBoolPref("optGuessFullDomain");
if (prefs.prefHasUserValue("optDigitDefault"))
opts.digitDefault = prefs.getBoolPref("optDigitDefault");
if (prefs.prefHasUserValue("optPunctuationDefault"))
opts.punctuationDefault = prefs.getBoolPref("optPunctuationDefault");
if (prefs.prefHasUserValue("optMixedCaseDefault"))
opts.mixedCaseDefault = prefs.getBoolPref("optMixedCaseDefault");
if (prefs.prefHasUserValue("optHashWordSizeDefault"))
opts.hashWordSizeDefault = prefs.getIntPref("optHashWordSizeDefault");
if (prefs.prefHasUserValue("optShortcutKeyCode"))
opts.shortcutKeyCode = prefs.getCharPref("optShortcutKeyCode");
if (!opts.shortcutKeyCode)
{
// Set shortcut key to XUL-defined default.
forceSave = true;
var elementKey = document.getElementById("key_passhash");
if (elementKey != null)
{
opts.shortcutKeyCode = elementKey.getAttribute("key");
if (!opts.shortcutKeyCode)
opts.shortcutKeyCode = elementKey.getAttribute("keycode");
}
}
if (prefs.prefHasUserValue("optShortcutKeyMods"))
opts.shortcutKeyMods = prefs.getCharPref("optShortcutKeyMods");
if (!opts.shortcutKeyMods)
{
// Set shortcut modifiers to XUL-defined default.
forceSave = true;
var elementKey = document.getElementById("key_passhash");
if (elementKey != null)
opts.shortcutKeyMods = elementKey.getAttribute("modifiers");
}
// Force saving options if the key options are not present to give them visibility
if (forceSave)
this.saveOptions(opts);
return opts;
},
createOptions: function()
{
var opts = new Object();
opts.securityLevel = 2;
opts.guessSiteTag = true;
opts.rememberSiteTag = true;
opts.rememberMasterKey = false;
opts.revealSiteTag = true;
opts.revealHashWord = false;
opts.showMarker = true;
opts.unmaskMarker = false;
opts.guessFullDomain = false;
opts.digitDefault = true;
opts.punctuationDefault = true;
opts.mixedCaseDefault = true;
opts.hashWordSizeDefault = 8;
opts.firstTime = true;
opts.shortcutKeyCode = "";
opts.shortcutKeyMods = "";
return opts;
},
saveOptions: function(opts)
{
var prefs = Components.classes["@mozilla.org/preferences-service;1"].
getService(Components.interfaces.nsIPrefService).getBranch("passhash.");
prefs.setIntPref( "optSecurityLevel", opts.securityLevel);
prefs.setBoolPref("optGuessSiteTag", opts.guessSiteTag);
prefs.setBoolPref("optRememberSiteTag", opts.rememberSiteTag);
prefs.setBoolPref("optRememberMasterKey", opts.rememberMasterKey);
prefs.setBoolPref("optRevealSiteTag", opts.revealSiteTag);
prefs.setBoolPref("optRevealHashWord", opts.revealHashWord);
prefs.setBoolPref("optShowMarker", opts.showMarker);
prefs.setBoolPref("optUnmaskMarker", opts.unmaskMarker);
prefs.setBoolPref("optGuessFullDomain", opts.guessFullDomain);
prefs.setBoolPref("optDigitDefault", opts.digitDefault);
prefs.setBoolPref("optPunctuationDefault", opts.punctuationDefault);
prefs.setBoolPref("optMixedCaseDefault", opts.mixedCaseDefault);
prefs.setIntPref( "optHashWordSizeDefault", opts.hashWordSizeDefault);
prefs.setCharPref("optShortcutKeyCode", opts.shortcutKeyCode);
prefs.setCharPref("optShortcutKeyMods", opts.shortcutKeyMods);
},
loadSecureValue: function(option, name, suffix, valueDefault)
{
return (this.hasLoginManager()
? this.loadLoginManagerValue(option, name, suffix, valueDefault)
: this.loadPasswordManagerValue(option, name, suffix, valueDefault));
},
loadLoginManagerValue: function(option, name, suffix, valueDefault)
{
var user = (suffix ? name + "-" + suffix : name);
var value = valueDefault;
if (option && suffix != null)
{
var login = this.findLoginManagerUserLogin(user);
if (login != null && login.password != "" && login.password != "n/a")
value = login.password;
}
return value;
},
loadPasswordManagerValue: function(option, name, suffix, valueDefault)
{
var user = (suffix ? name + "-" + suffix : name);
var value = valueDefault;
var found = false;
if (option && suffix != null)
{
var passwordManager = Components.classes["@mozilla.org/passwordmanager;1"]
.getService(Components.interfaces.nsIPasswordManager);
var e = passwordManager.enumerator;
while (!found && e.hasMoreElements())
{
try
{
var pass = e.getNext().QueryInterface(Components.interfaces.nsIPassword);
if (pass.host == this.host && pass.user == user)
{
value = pass.password;
found = true;
}
}
catch (ex) {}
}
}
return value;
},
saveSecureValue: function(option, name, suffix, value)
{
return (this.hasLoginManager()
? this.saveLoginManagerValue(option, name, suffix, value)
: this.savePasswordManagerValue(option, name, suffix, value));
},
saveLoginManagerValue: function(option, name, suffix, value)
{
if (!value || suffix == null)
return false;
var valueSave = (option ? value : "n/a");
var user = (suffix ? name + "-" + suffix : name);
var loginManager = Components.classes["@mozilla.org/login-manager;1"].
getService(Components.interfaces.nsILoginManager);
var newLogin = Components.classes["@mozilla.org/login-manager/loginInfo;1"].
createInstance(Components.interfaces.nsILoginInfo);
newLogin.init(this.host, 'passhash', null, user, valueSave, "", "");
var currentLogin = this.findLoginManagerUserLogin(user);
if ( currentLogin == null)
loginManager.addLogin(newLogin);
else
loginManager.modifyLogin(currentLogin, newLogin);
return true;
},
savePasswordManagerValue: function(option, name, suffix, value)
{
if (!value || suffix == null)
return false;
var valueSave = (option ? value : "");
var user = (suffix ? name + "-" + suffix : name);
var passwordManager = Components.classes["@mozilla.org/passwordmanager;1"]
.getService(Components.interfaces.nsIPasswordManager);
try
{
// Firefox 2 seems to lose info from subsequent addUser calls
// addUser on an existing host/user after restarting.
passwordManager.removeUser(this.host, user);
}
catch (ex) {}
passwordManager.addUser(this.host, user, valueSave);
return true;
},
hasLoginManager: function()
{
return ("@mozilla.org/login-manager;1" in Components.classes);
},
findLoginManagerUserLogin: function(user)
{
// Find user from returned array of nsILoginInfo objects
var logins = this.findAllLoginManagerLogins();
for (var i = 0; i < logins.length; i++)
if (logins[i].username == user)
return logins[i];
return null;
},
findAllLoginManagerLogins: function()
{
var loginManager = Components.classes["@mozilla.org/login-manager;1"].
getService(Components.interfaces.nsILoginManager);
return loginManager.findLogins({}, this.host, "passhash", null);
},
// TODO: There's probably a better way
getDomain: function(input)
{
var h = input.host.split(".");
if (h.length <= 1)
return null;
// Handle domains like co.uk
if (h.length > 2 && h[h.length-1].length == 2 && h[h.length-2] == "co")
return h[h.length-3] + '.' + h[h.length-2] + '.' + h[h.length-1];
return h[h.length-2] + '.' + h[h.length-1];
},
// IMPORTANT: This function should be changed carefully. It must be
// completely deterministic and consistent between releases. Otherwise
// users would be forced to update their passwords. In other words, the
// algorithm must always be backward-compatible. It's only acceptable to
// violate backward compatibility when new options are used.
// SECURITY: The optional adjustments are positioned and calculated based
// on the sum of all character codes in the raw hash string. So it becomes
// far more difficult to guess the injected special characters without
// knowing the master key.
// TODO: Is it ok to assume ASCII is ok for adjustments?
generateHashWord: function(
siteTag,
masterKey,
hashWordSize,
requireDigit,
requirePunctuation,
requireMixedCase,
restrictSpecial,
restrictDigits)
{
// Start with the SHA1-encrypted master key/site tag.
var s = b64_hmac_sha1(masterKey, siteTag);
// Use the checksum of all characters as a pseudo-randomizing seed to
// avoid making the injected characters easy to guess. Note that it
// isn't random in the sense of not being deterministic (i.e.
// repeatable). Must share the same seed between all injected
// characters so that they are guaranteed unique positions based on
// their offsets.
var sum = 0;
for (var i = 0; i < s.length; i++)
sum += s.charCodeAt(i);
// Restrict digits just does a mod 10 of all the characters
if (restrictDigits)
s = PassHashCommon.convertToDigits(s, sum, hashWordSize);
else
{
// Inject digit, punctuation, and mixed case as needed.
if (requireDigit)
s = PassHashCommon.injectSpecialCharacter(s, 0, 4, sum, hashWordSize, 48, 10);
if (requirePunctuation && !restrictSpecial)
s = PassHashCommon.injectSpecialCharacter(s, 1, 4, sum, hashWordSize, 33, 15);
if (requireMixedCase)
{
s = PassHashCommon.injectSpecialCharacter(s, 2, 4, sum, hashWordSize, 65, 26);
s = PassHashCommon.injectSpecialCharacter(s, 3, 4, sum, hashWordSize, 97, 26);
}
// Strip out special characters as needed.
if (restrictSpecial)
s = PassHashCommon.removeSpecialCharacters(s, sum, hashWordSize);
}
// Trim it to size.
return s.substr(0, hashWordSize);
},
// This is a very specialized method to inject a character chosen from a
// range of character codes into a block at the front of a string if one of
// those characters is not already present.
// Parameters:
// sInput = input string
// offset = offset for position of injected character
// reserved = # of offsets reserved for special characters
// seed = seed for pseudo-randomizing the position and injected character
// lenOut = length of head of string that will eventually survive truncation.
// cStart = character code for first valid injected character.
// cNum = number of valid character codes starting from cStart.
injectSpecialCharacter: function(sInput, offset, reserved, seed, lenOut, cStart, cNum)
{
var pos0 = seed % lenOut;
var pos = (pos0 + offset) % lenOut;
// Check if a qualified character is already present
// Write the loop so that the reserved block is ignored.
for (var i = 0; i < lenOut - reserved; i++)
{
var i2 = (pos0 + reserved + i) % lenOut
var c = sInput.charCodeAt(i2);
if (c >= cStart && c < cStart + cNum)
return sInput; // Already present - nothing to do
}
var sHead = (pos > 0 ? sInput.substring(0, pos) : "");
var sInject = String.fromCharCode(((seed + sInput.charCodeAt(pos)) % cNum) + cStart);
var sTail = (pos + 1 < sInput.length ? sInput.substring(pos+1, sInput.length) : "");
return (sHead + sInject + sTail);
},
// Another specialized method to replace a class of character, e.g.
// punctuation, with plain letters and numbers.
// Parameters:
// sInput = input string
// seed = seed for pseudo-randomizing the position and injected character
// lenOut = length of head of string that will eventually survive truncation.
removeSpecialCharacters: function(sInput, seed, lenOut)
{
var s = '';
var i = 0;
while (i < lenOut)
{
var j = sInput.substring(i).search(/[^a-z0-9]/i);
if (j < 0)
break;
if (j > 0)
s += sInput.substring(i, i + j);
s += String.fromCharCode((seed + i) % 26 + 65);
i += (j + 1);
}
if (i < sInput.length)
s += sInput.substring(i);
return s;
},
// Convert input string to digits-only.
// Parameters:
// sInput = input string
// seed = seed for pseudo-randomizing the position and injected character
// lenOut = length of head of string that will eventually survive truncation.
convertToDigits: function(sInput, seed, lenOut)
{
var s = '';
var i = 0;
while (i < lenOut)
{
var j = sInput.substring(i).search(/[^0-9]/i);
if (j < 0)
break;
if (j > 0)
s += sInput.substring(i, i + j);
s += String.fromCharCode((seed + sInput.charCodeAt(i)) % 10 + 48);
i += (j + 1);
}
if (i < sInput.length)
s += sInput.substring(i);
return s;
},
bumpSiteTag: function(siteTag)
{
var tag = siteTag.replace(/^[ \t]*(.*)[ \t]*$/, "$1"); // redundant
if (tag)
{
var splitTag = tag.match(/^(.*):([0-9]+)?$/);
if (splitTag == null || splitTag.length < 3)
tag += ":1";
else
tag = splitTag[1] + ":" + (parseInt(splitTag[2]) + 1);
}
return tag;
},
// Returns true if an HTML node is some kind of text field.
isTextNode: function(node)
{
try
{
var name = node.localName.toUpperCase();
if (name == "TEXTAREA" || name == "TEXTBOX" ||
(name == "INPUT" &&
(node.type == "text" || node.type == "password")))