export passwords from Firefox password manager

export_pwds.js

var {
  classes: Cc,
  interfaces: Ci
}
= Components;
var tokendb = Cc['@mozilla.org/security/pk11tokendb;1'].createInstance(Ci.nsIPK11TokenDB);
var token = tokendb.getInternalKeyToken();
try {
  token.login(true);
} catch (e) {
}
var passwordmanager = Cc['@mozilla.org/login-manager;1'].getService(Ci.nsILoginManager);
var signons = passwordmanager.getAllLogins({
});
var json = JSON.stringify(signons);
// console.log(json);
var file = Cc['@mozilla.org/file/local;1'].createInstance(Ci.nsILocalFile);
file.initWithPath('/Users/franziskus/passwords.json');
var filoutputStream = Cc['@mozilla.org/network/file-output-stream;1'].createInstance(Ci.nsIFileOutputStream);
filoutputStream.init(file, 4 | 8, 420, 0);
filoutputStream.write(json, json.length);
filoutputStream.close();

export_pwds_xml.js

function escapeXml(unsafe) {
  if (!unsafe) {
    return '';
  }
  return unsafe.replace(/[<>&'"]/g, function (c) {
    switch (c) {
      case '<':
        return '&lt;';
      case '>':
        return '&gt;';
      case '&':
        return '&amp;';
      case '\'':
        return '&apos;';
      case '"':
        return '&quot;';
    }
  });
}
var {
  classes: Cc,
  interfaces: Ci
}
= Components;
var tokendb = Cc['@mozilla.org/security/pk11tokendb;1'].createInstance(Ci.nsIPK11TokenDB);
var token = tokendb.getInternalKeyToken();
token.login(true);
var passwordmanager = Cc['@mozilla.org/login-manager;1'].getService(Ci.nsILoginManager);
var signons = passwordmanager.getAllLogins({
});
var file = Cc['@mozilla.org/file/local;1'].createInstance(Ci.nsILocalFile);
file.initWithPath('/home/franziskus/passwords.xml');
var filoutputStream = Cc['@mozilla.org/network/file-output-stream;1'].createInstance(Ci.nsIFileOutputStream);
filoutputStream.init(file, 4 | 8, 420, 0);
var xmlHeader = '<?xml version="1.0" encoding="UTF-8"?>\n<pwlist>\n';
filoutputStream.write(xmlHeader, xmlHeader.length);
for (var i = 0; i < signons.length; i++) {
  var host = escapeXml(signons[i].hostname);
  var password = escapeXml(signons[i].password);
  var user = escapeXml(signons[i].username);
  // put into notes
  var userf = escapeXml(signons[i].usernameField);
  var passwordf = escapeXml(signons[i].passwordField);
  var submiturl = escapeXml(signons[i].formSubmitURL);
  var realm = escapeXml(signons[i].httpRealm);
  // build xml
  var group = '\t<group>Firefox</group>\n';
  var title = '\t<title>' + user + '@' + host + '</title>\n';
  var username = '\t<username>' + user + '</username>\n';
  var url = '\t<url>' + host + '</url>\n' // TODO: escape
  var pwd = '\t<password>' + password + '</password>\n'
  var notes = '\t<notes>\n\t\t' + userf + '\n\t\t' + passwordf + '\n\t\t' + submiturl + '\t\t\n' + realm + '\n</notes>\n';
  // TODO: <uuid>4d9a9420ac7c4a8ae688762eac8871a9</uuid>
  var entryStart = '<pwentry>\n';
  filoutputStream.write(entryStart, entryStart.length);
  filoutputStream.write(group, group.length);
  filoutputStream.write(title, title.length);
  filoutputStream.write(username, username.length);
  filoutputStream.write(url, url.length);
  filoutputStream.write(pwd, pwd.length);
  filoutputStream.write(notes, notes.length);
  var entryEnd = '</pwentry>\n';
  filoutputStream.write(entryEnd, entryEnd.length);
} //var json = JSON.stringify(signons);
// console.log(json);

var xmlEnd = '</pwlist>\n';
filoutputStream.write(xmlEnd, xmlEnd.length);
filoutputStream.close();

log_xml.js

/*
 * This is a JavaScript Scratchpad.
 *
 * Enter some JavaScript, then Right Click or choose from the Execute Menu:
 * 1. Run to evaluate the selected text (Ctrl+R),
 * 2. Inspect to bring up an Object Inspector on the result (Ctrl+I), or,
 * 3. Display to insert the result in a comment after the selection. (Ctrl+L)
 */

var {
  classes: Cc,
  interfaces: Ci
}
= Components;
var tokendb = Cc['@mozilla.org/security/pk11tokendb;1'].createInstance(Ci.nsIPK11TokenDB);
var token = tokendb.getInternalKeyToken();
try {
  token.login(true);
} catch (e) {
}
var passwordmanager = Cc['@mozilla.org/login-manager;1'].getService(Ci.nsILoginManager);
var signons = passwordmanager.getAllLogins({
});
var json = JSON.stringify(signons);
// console.log("lala");

function escapeXml(unsafe) {
  if (!unsafe) {
    return '';
  }
  return unsafe.replace(/[<>&'"]/g, function (c) {
    switch (c) {
      case '<':
        return '&lt;';
      case '>':
        return '&gt;';
      case '&':
        return '&amp;';
      case '\'':
        return '&apos;';
      case '"':
        return '&quot;';
    }
  });
}

var result = ""
var xmlHeader = '<?xml version="1.0" encoding="UTF-8"?>\n<pwlist>\n';
result += xmlHeader;

for (var i = 0; i < signons.length; i++) {
  var host = escapeXml(signons[i].hostname);
  var password = escapeXml(signons[i].password);
  var user = escapeXml(signons[i].username);
  // put into notes
  var userf = escapeXml(signons[i].usernameField);
  var passwordf = escapeXml(signons[i].passwordField);
  var submiturl = escapeXml(signons[i].formSubmitURL);
  var realm = escapeXml(signons[i].httpRealm);
  // build xml
  var group = '\t<group>Firefox</group>\n';
  var title = '\t<title>' + user + '@' + host + '</title>\n';
  var username = '\t<username>' + user + '</username>\n';
  var url = '\t<url>' + host + '</url>\n' // TODO: escape
  var pwd = '\t<password>' + password + '</password>\n'
  var notes = '\t<notes>\n\t\t' + userf + '\n\t\t' + passwordf + '\n\t\t' + submiturl + '\t\t\n' + realm + '\n</notes>\n';
  // TODO: <uuid>4d9a9420ac7c4a8ae688762eac8871a9</uuid>
  var entryStart = '<pwentry>\n';
  result += entryStart;
  result += group;
  result += title;
  result += username;
  result += url;
  result += pwd;
  result += notes;
  var entryEnd = '</pwentry>\n';
  result += entryEnd;
}

//var json = JSON.stringify(signons);
//console.log(json);

var xmlEnd = '</pwlist>\n';
result += xmlEnd;
console.log(result);