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roundcube_openpgp.js
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/**
* Roundcube plugin adding OpenPGP support using OpenPGP.js
*
* @version @package_version@
* @author Lazlo Westerhof <[email protected]>
* @author Niklas Femerstrand <[email protected]>
*
* @licstart The following is the entire license notice for the
* JavaScript code in this file.
*
* Copyright (C) 2013 Niklas Femerstrand <[email protected]>
* Copyright (C) 2013-2014, Lazlo Westerhof <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* @licend The above is the entire license notice
* for the JavaScript code in this file.
*/
// load OpenPGP.js and keyring
var openpgp = typeof window !== 'undefined' && window.openpgp ? window.openpgp : require('openpgp'),
keyring = new openpgp.Keyring(),
settings;
// initiate OpenPGP.js web worker
openpgp.initWorker('plugins/roundcube_openpgp/lib/openpgp.worker.min.js');
window.rcmail && rcmail.addEventListener('init', function(evt) {
// check if window.crypto.getRandomValues is present
if (!window.crypto || !window.crypto.getRandomValues) {
rcmail.display_message(rcmail.gettext("no_window_crypto", "roundcube_openpgp"), "error");
}
rcmail.passphrase = "";
rcmail.addEventListener("plugin.pks_search", rcmail.openpgp_pks_search_callback);
if (sessionStorage.length > 0) {
rcmail.passphrase = sessionStorage[0];
}
// key selector
$("#openpgpjs_key_select").dialog({
modal: true,
autoOpen: false,
title: rcmail.gettext("key_select", "roundcube_openpgp"),
width: "800px",
open: function () {
rcmail.openpgp_update_key_selector();
},
close: function () {
$("#selected_key_passphrase").val("");
$("#openpgpjs_rememberpass").attr("checked", false);
}
});
// key manager
$("#openpgpjs_key_manager").dialog({
modal: true,
autoOpen: false,
title: rcmail.gettext("key_manager", "roundcube_openpgp"),
width: "1200px",
open: function () {
rcmail.openpgp_update_key_manager();
},
close: function () {
// empty message containers
$(".manager-objects").html("");
}
});
$("#openpgpjs_tabs").tabs();
// register open key manager command
rcmail.register_command("open-key-manager", function () {
$("#openpgpjs_key_manager").dialog("open");
});
rcmail.enable_command("open-key-manager", true);
// composing messages
if (rcmail.env.action === "compose") {
// load openpgp settings
settings = rcmail.env.openpgp_settings;
rcmail.addEventListener("change_identity", function () {
sessionStorage.clear();
rcmail.passphrase = "";
});
// disable draft autosave and prompt user when saving plaintext message as draft
rcmail.env.draft_autosave = 0;
rcmail.addEventListener("beforesavedraft", function () {
if ($("#openpgpjs_encrypt").is(":checked")) {
if (!confirm(rcmail.gettext("save_draft_confirm", "roundcube_openpgp"))) {
return false;
}
}
return true;
});
rcmail.env.compose_commands.push("open-key-manager");
rcmail.addEventListener("beforesend", function (e) {
if (!rcmail.openpgp_before_send()) {
return false;
}
});
// process received message
} else if (rcmail.env.action === "show" || rcmail.env.action === "preview") {
rcmail.openpgp_message_received();
}
});
/**
* Processes received messages
*/
rcube_webmail.prototype.openpgp_message_received = function()
{
// get armored message
var msg_armor = $("#messagebody div.message-part pre").html();
// OpenPGP failed parsing the message, no action required.
if (!msg_armor) {
return;
}
// try to read message as cleartext
var message,
cleartext = false;
try {
message = openpgp.cleartext.readArmored(msg_armor);
cleartext = true;
} catch (e) {
// message is not cleartext
try {
message = openpgp.message.readArmored(msg_armor);
cleartext = false;
} catch (e) {
// messsage is invalid
return false;
}
}
// display key info
this.openpgp_display_key_info(message);
var sender = this.openpgp_get_sender();
var publicKey = keyring.publicKeys.getForAddress(sender);
// check if sender public key is found
if (publicKey.length !== 1) {
this.openpgp_display_message(
rcmail.gettext('signature_invalid_no_pubkey', 'roundcube_openpgp') + sender,
'notice',
'message-objects'
);
return false;
}
// message is cleartext signed
if (cleartext) {
// verify signature of clear signed message
openpgp.verifyClearSignedMessage(publicKey, message, function(err, data) {
// valid signature
if (data) {
if (data.signatures.length > 0) {
rcmail.openpgp_display_message(
rcmail.gettext('signature_valid', 'roundcube_openpgp') + ' (' + sender + ')',
'confirmation',
'message-objects'
);
$("#messagebody div.message-part pre").html(rcmail.openpgp_escape_html(message.text));
return true;
}
}
// invalid signature
rcmail.openpgp_display_message(
rcmail.gettext('signature_invalid', 'roundcube_openpgp'),
'error',
'message-objects'
);
return false;
});
} else {
// check if there are private key imported in the key manager
if (!this.openpgp_private_key_count()) {
this.display_message(
this.gettext("no_key_imported", "roundcube_openpgp"),
"error"
);
return false;
}
// if no passphrase was entered apen key selection dialog
if (this.passphrase === "") {
$("#openpgpjs_key_select").dialog("open");
return false;
}
// json string from this.openpgp_set_passphrase, obj.id = privkey id, obj.passphrase = privkey passphrase
var passobj = JSON.parse(this.passphrase);
var privateKeyArmored = keyring.privateKeys.keys[passobj.id].armor();
var privateKey = openpgp.key.readArmored(privateKeyArmored);
if (!privateKey.keys[0].decrypt(passobj.passphrase)) {
alert(this.gettext("incorrect_pass", "roundcube_openpgp"));
return false;
}
// decrypt message
var decrypting = this.display_message(
this.gettext('decrypting_message', 'roundcube_openpgp'),
'loading'
);
openpgp.decryptAndVerifyMessage(privateKey.keys[0], publicKey, message, function(err, data) {
if (data) {
if (data.signatures.length > 0) {
rcmail.openpgp_display_message(
rcmail.gettext('signature_valid', 'roundcube_openpgp') + ' (' + sender + ')' ,
'confirmation',
'message-objects'
);
}
$("#messagebody div.message-part pre").html(rcmail.openpgp_escape_html(data.text));
rcmail.hide_message(decrypting);
rcmail.display_message(
rcmail.gettext('message_decrypted', 'roundcube_openpgp'),
'confirmation',
rcmail.message_time
);
return true;
}
rcmail.openpgp_display_message(
rcmail.gettext('key_mismatch', 'roundcube_openpgp'),
'error',
'message-objects'
);
return false;
});
}
};
/**
* Returns the sender of message.
*
* @return {String} Message sender
*/
rcube_webmail.prototype.openpgp_get_sender = function()
{
// this.env.sender contains "Jon Doe <[email protected]>" or just "[email protected]";
// We try to extract the email address (according to RFC 5322) in either case
var address = this.env.sender.match(/[A-Za-z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9._-]+\.[a-zA-Z0-9._-]+/);
if (!address || !address.length) {
// In the case of a bogus sender name/address, throw an error
this.openpgp_display_message(
this.gettext('signature_invalid_sender', 'roundcube_openpgp'),
'notice',
'message-objects'
);
return false;
}
return address[0];
};
/**
* Extracts public key info from parsed OpenPGP message.
*
* @param message {String} Parsed OpenPGP message
*/
rcube_webmail.prototype.openpgp_display_key_info = function(message)
{
// get fingerprint from sender's public key
try {
var sender = this.env.sender.match(/[a-zA-Z0-9\._%+-]+@[a-zA-Z0-9\._%+-]+\.[a-zA-Z]{2,4}/g)[0],
publicKey = keyring.publicKeys.getForAddress(sender),
fingerprint = publicKey[0].primaryKey.getFingerprint().toUpperCase().replace(/(.{4})/g,"$1 ");
} catch (e) {
return false;
}
if (typeof(this.getinfo) === "undefined") {
var creation = message.packets[0].created;
$(".headers-table").css( "float", "left" ).after("<table class='openpgpjs_info headers-table'><tbody></tbody></table>");
$(".openpgpjs_info tbody").append(
"<tr><td class='header-title'>"+this.gettext("algorithm", "roundcube_openpgp") +":</td>" +
"<td class='header'>" + this.openpgp_type_to_string(message.packets[0].publicKeyAlgorithm) + "</td></tr>" +
"<tr><td class='header-title'>"+this.gettext("creation", "roundcube_openpgp") +":</td>" +
"<td class='header'>" + creation.getFullYear() + "-" + ("0" + (creation.getMonth()+1)).slice(-2) + "-" + ("0" + creation.getDate()).slice(-2) + "</td></tr>" +
"<tr><td class='header-title'>"+this.gettext("fingerprint", "roundcube_openpgp") +":</td>" +
"<td class='header'>" + fingerprint + "</td></tr>"
);
this.getinfo = false;
}
};
/**
* Generates an OpenPGP key pair by calling the necessary crypto
* functions from openpgp.js and shows them to the user.
*
* @param bits {Integer} Number of bits for the key creation
* @param algo {String} To indicate what type of key to make. RSA is 1, ElgAmal is 16 and DSA is 17
*/
rcube_webmail.prototype.openpgp_generate_key_pair = function(bits, algorithm)
{
$("#generated_keys").html("");
var identity = $("#gen_ident option:selected").text();
// currently only RSA is supported, fix this when OpenPGP.js implements ElGamal & DSA
algorithm = parseInt(algorithm);
if ($("#gen_passphrase").val() !== $("#gen_passphrase_verify").val()) {
this.openpgp_display_message(
this.gettext("pass_mismatch", "roundcube_openpgp"),
'error',
'generate_key_msg'
);
return false;
}
// generate key pair and show generated key pair
openpgp.generateKeyPair(algorithm, bits, identity, $("#gen_passphrase").val(), function(err, data) {
if (data) {
$("#generated_keys").html(
"<pre id=\"generated_private\">" + data.privateKeyArmored + "</pre>" +
"<pre id=\"generated_public\">" + data.publicKeyArmored + "</pre>"
);
rcmail.openpgp_display_message(
rcmail.gettext("key_generation_completed", "roundcube_openpgp"),
'confirmation',
'generate_key_msg'
);
$("#import_button").removeClass("hidden");
} else {
rcmail.openpgp_display_message(
rcmail.gettext("key_generation_failed", "roundcube_openpgp"),
'error',
'generate_key_msg'
);
}
});
};
/**
* Set passphrase.
*
* @param i {Integer} Used as openpgp.keyring[private|public]Keys[i]
* @param p {String} The passphrase
*/
rcube_webmail.prototype.openpgp_set_passphrase = function(id, passphrase)
{
if (id === "-1") {
this.openpgp_display_message(
this.gettext("select_key", "roundcube_openpgp"),
'error',
'key_select_msg'
);
return false;
}
if (!keyring.privateKeys.keys[id].decrypt(passphrase)) {
this.openpgp_display_message(
this.gettext("incorrect_pass", "roundcube_openpgp"),
'error',
'key_select_msg'
);
return false;
}
this.passphrase = JSON.stringify({"id" : id, "passphrase" : passphrase} );
this.openpgp_message_received();
if ($("#openpgpjs_rememberpass").is(":checked")) {
sessionStorage.setItem(id, this.passphrase);
}
$("#openpgpjs_key_select").dialog("close");
// This is required when sending emails and private keys are required for
// sending an email (when signing a message). These lines makes the client
// jump right back into this.openpgp_before_send() allowing key sign and message send to
// be made as soon as the passphrase is correct and available.
if (this.sendmail !== "undefined") {
this.command("send", this);
}
};
rcube_webmail.prototype.openpgp_recipient_public_keys = function()
{
var publicKeys = [],
recipients = [],
matches = [],
fields = ["_to", "_cc", "_bcc"],
re = /[a-zA-Z0-9\._%+-]+@[a-zA-Z0-9\._%+-]+\.[a-zA-Z]{2,4}/g;
// retrieve all recipients
for (var field in fields) {
matches = $("#" + fields[field]).val().match(re);
if (matches) {
recipients = recipients.concat(matches);
}
}
for (var i = 0; i < recipients.length; i++) {
var recipient = recipients[i].replace(/(.+?<)/, "").replace(/>/, "");
var publicKey = keyring.publicKeys.getForAddress(recipient);
if (typeof(publicKey[0]) !== "undefined") {
publicKeys.push(publicKey[0]);
} else {
// query PKS for recipient public key
if (confirm("Couldn't find a public key for " + recipient +
". If you already have it you can import it into the key manager. " +
"Would you like to query the key server for the missing key?")) {
this.http_post("plugin.pks_search", "search=" + recipient + "&op=index");
$("#search").attr("disabled", "disabled");
$("#search_submit").attr("disabled", "disabled");
$("#openpgpjs_key_manager").dialog("open");
// open key search tab
$("#openpgpjs_tabs").tabs({ active: 5 });
}
return false;
}
}
return publicKeys;
};
/**
* Get the user's public key
*/
rcube_webmail.prototype.openpgp_senders_public_key = function(armored)
{
if (typeof(armored) === "undefined") {
armored = false;
}
var re = /[a-zA-Z0-9\._%+-]+@[a-zA-Z0-9\._%+-]+\.[a-zA-Z]{2,4}/g;
var address = $("#_from>option:selected").html().match(re);
if (address.length > 0) {
var publicKey = keyring.publicKeys.getForAddress(address[0]);
if (typeof(publicKey[0]) != "undefined") {
if (armored) {
return publicKey[0].armor();
} else {
return publicKey[0];
}
}
}
return false;
};
/**
* Processes messages before sending
*/
rcube_webmail.prototype.openpgp_before_send = function()
{
// no encryption and / or signing
if (!$("#openpgpjs_encrypt").is(":checked") &&
!$("#openpgpjs_sign").is(":checked")) {
if (settings.warn_on_unencrypted) {
if (confirm(this.gettext("continue_unencrypted", "roundcube_openpgp"))) {
// remove the public key attachment since we don't sign nor encrypt the message
this.openpgp_remove_public_key_attachment();
return true;
}
return false;
}
return true;
}
// message is already processed
if (typeof(this.finished_treating) !== "undefined") {
return true;
}
// send the user's public key to the server so it can be sent as attachment
var pubkey_sender = this.openpgp_senders_public_key(true);
if (pubkey_sender) {
var lock = this.set_busy(true, 'loading');
this.http_post('plugin.write_public_key', { _publickey: pubkey_sender }, lock);
}
// message to encrypt and / or sign
var plaintext = $("textarea#composebody").val(),
privateKey;
// message is going to be signed
if ($("#openpgpjs_sign").is(":checked")) {
// get the private key
if (this.passphrase === "" && this.openpgp_private_key_count() > 0) {
this.sendmail = true; // Global var to notify this.openpgp_set_passphrase
$("#openpgpjs_key_select").dialog("open");
return false;
}
if (!this.openpgp_private_key_count()) {
alert(this.gettext("no_keys", "roundcube_openpgp"));
return false;
}
// get private key for signing
var passobj = JSON.parse(this.passphrase),
privateKeyArmored = keyring.privateKeys.keys[passobj.id].armor();
privateKey = openpgp.key.readArmored(privateKeyArmored);
if (!privateKey) {
alert("Missing private key");
return false;
}
if (!passobj.passphrase) {
this.display_message(
this.gettext("missing_passphrase", "roundcube_openpgp"),
'error'
);
return false;
}
if (!privateKey.keys[0].decrypt(passobj.passphrase)) {
alert(this.gettext("incorrect_pass", "roundcube_openpgp"));
}
}
// message is going to be encrypted
if ($("#openpgpjs_encrypt").is(":checked")) {
// fetch recipient public keys
var publicKeys = this.openpgp_recipient_public_keys();
if (publicKeys.length === 0) {
return false;
}
// add the user's public key
var senderPublicKeySender = this.openpgp_senders_public_key();
if (senderPublicKeySender) {
publicKeys.push(senderPublicKeySender);
} else {
if (!confirm("Couldn't find your public key. You will not be able to decrypt this message. Continue?")) {
return false;
}
}
// sign and encrypt message
if ($("#openpgpjs_sign").is(":checked")) {
var encryptingAndSigning = this.display_message(
this.gettext('signing_and_encrypting_message', 'roundcube_openpgp'),
'loading'
);
openpgp.signAndEncryptMessage(publicKeys, privateKey.keys[0], plaintext, function(err, data) {
rcmail.hide_message(encryptingAndSigning);
if (data) {
rcmail.openpgp_replace_plaintext(data);
rcmail.display_message(
rcmail.gettext('message_signed_and_encrypted', 'roundcube_openpgp'),
'confirmation',
rcmail.message_time
);
return true;
}
rcmail.display_message(
rcmail.gettext('signing_and_encrypting_failed', 'roundcube_openpgp'),
'error'
);
return false;
});
}
// encrypt message
else {
var encrypting = this.display_message(
this.gettext('encrypting_message', 'roundcube_openpgp'),
'loading'
);
openpgp.encryptMessage(publicKeys, plaintext, function(err, data) {
rcmail.hide_message(encrypting);
if (data) {
rcmail.openpgp_replace_plaintext(data);
rcmail.display_message(
rcmail.gettext('message_encrypted', 'roundcube_openpgp'),
'confirmation',
rcmail.message_time
);
return true;
}
rcmail.display_message(
rcmail.gettext('encrypting_failed', 'roundcube_openpgp'),
'error'
);
return false;
});
}
}
// sign message
else if ($("#openpgpjs_sign").is(":checked")) {
var signing = this.display_message(
this.gettext('signing_message', 'roundcube_openpgp'),
'loading'
);
openpgp.signClearMessage(privateKey.keys, plaintext, function(err, data) {
rcmail.hide_message(signing);
if (data) {
rcmail.openpgp_replace_plaintext(data);
rcmail.display_message(
rcmail.gettext('message_signed', 'roundcube_openpgp'),
'confirmation',
rcmail.message_time
);
return true;
}
rcmail.display_message(
rcmail.gettext('signing_failed', 'roundcube_openpgp'),
'error'
);
return false;
});
}
return false;
};
/**
* Replaces plaintext with signed and / or encrypted text
*
* @param text {String} signed and / or encrypted text
*/
rcube_webmail.prototype.openpgp_replace_plaintext = function(text)
{
$("textarea#composebody").val(text);
this.finished_treating = 1;
};
/**
* Removes the public key attachment
* Used if the user doesn't sign nor encrypt the message
*/
rcube_webmail.prototype.openpgp_remove_public_key_attachment = function()
{
$("#attachment-list").each(function () {
$(this).find('li').each(function () {
if ($(this).text().indexOf('pubkey.asc') >= 0) {
this.command('remove-attachment', $(this).attr('id'));
return false;
}
});
});
};
rcube_webmail.prototype.openpgp_import_from_sks = function(id)
{
this.http_post("plugin.pks_search", "search=" + id + "&op=get");
return;
};
/**
* Import generated key pair.
*/
rcube_webmail.prototype.openpgp_import_generated_key_pair = function()
{
$("#import_button").addClass("hidden");
// import keys and change tabs
this.openpgp_import_keys($("#generated_public").html() + $("#generated_private").html());
$("#openpgpjs_tabs").tabs({ active: 3 });
$("#gen_passphrase").val("");
$("#gen_passphrase_verify").val("");
};
/**
* Import armored public and private keys
*
* @param armored {String} Armored public and private keys
*/
rcube_webmail.prototype.openpgp_import_keys = function(armored)
{
// empty message container
$('#import_keys_msg').html('');
// match all public and private keys in armored input
var publicKeys = armored.match(/-----BEGIN PGP PUBLIC KEY BLOCK-----[\s\S]+?-----END PGP PUBLIC KEY BLOCK-----/g),
privateKeys = armored.match(/-----BEGIN PGP PRIVATE KEY BLOCK-----[\s\S]+?-----END PGP PRIVATE KEY BLOCK-----/g),
key;
if (!publicKeys && !privateKeys) {
this.openpgp_display_message(
this.gettext("import_failed", "roundcube_openpgp"),
'error',
'import_keys_msg',
false
);
}
if (publicKeys) {
publicKeys.forEach(function(publicKey) {
try {
key = openpgp.key.readArmored(publicKey);
// store public key in keyring
keyring.publicKeys.importKey(publicKey);
keyring.store();
rcmail.openpgp_display_message(
rcmail.gettext("import_public", "roundcube_openpgp") + " " + key.keys[0].getUserIds()[0],
'confirmation',
'import_keys_msg',
false
);
} catch (e) {
rcmail.openpgp_display_message(
rcmail.gettext("import_failed", "roundcube_openpgp"),
'error',
'import_keys_msg',
false
);
}
});
}
if (privateKeys) {
privateKeys.forEach(function(privateKey) {
try {
key = openpgp.key.readArmored(privateKey);
// store private key in keyring
keyring.privateKeys.importKey(privateKey);
keyring.store();
rcmail.openpgp_display_message(
rcmail.gettext("import_private", "roundcube_openpgp") + " " + key.keys[0].getUserIds()[0],
'confirmation',
'import_keys_msg',
false
);
} catch (e) {
rcmail.openpgp_display_message(
rcmail.gettext("import_failed", "roundcube_openpgp"),
'error',
'import_keys_msg',
false
);
}
});
}
// update key manager and empty import form
this.openpgp_update_key_manager();
$("#keys").val("");
};
/**
* Export public and private keys as armored text
*/
rcube_webmail.prototype.openpgp_export_keys = function()
{
var i, j, exported = '';
try {
// empty message container
$('#export_keys_msg').html('');
// empty export textarea
$('#export').html('');
// loop through all public keys
for (i = 0; i < keyring.publicKeys.keys.length; i++) {
exported = exported + keyring.publicKeys.keys[i].armor();
}
// loop through all private keys
for (i = 0; i < this.openpgp_private_key_count(); i++) {
exported = exported + keyring.privateKeys.keys[i].armor();
}
$('#export').html(exported);
rcmail.openpgp_display_message(
rcmail.gettext("export_complete", "roundcube_openpgp"),
'confirmation',
'export_keys_msg'
);
} catch (e) {
rcmail.openpgp_display_message(
rcmail.gettext("export_failed", "roundcube_openpgp"),
'error',
'export_keys_msg'
);
}
};
/**
* op: (get|index|vindex) string operation to perform
* search: string phrase to pass to HKP
*
* To retrieve all matching keys: this.openpgp_public_key_search("foo@bar", "index")
* To retrieve armored key of specific id: this.openpgp_public_key_search("0xF00", "get")
*
* If op is get then search should be either 32-bit or 64-bit. See
* http://tools.ietf.org/html/draft-shaw-openpgp-hkp-00#section-3.1.1.1
* for more details.
*
*/
// TODO: Version 3 fingerprint search
rcube_webmail.prototype.openpgp_public_key_search = function(search, op)
{
if (search.length === 0) {
return false;
}
this.http_post("plugin.pks_search", "search=" + search + "&op=" + op);
return true;
};
rcube_webmail.prototype.openpgp_pks_search_callback = function(response)
{
$("#search").removeAttr("disabled");
$("#search_submit").removeAttr("disabled");
if (response.message === "ERR: Missing param") {
console.log("Missing param");
return false;
}
if (response.message === "ERR: Invalid operation") {
console.log("Invalid operation");
return false;
}
if (response.message === "ERR: No keys found") {
$("#openpgpjs_search_results tbody").html(rcmail.gettext("search_no_keys", "roundcube_openpgp"));
return false;
}
var result;
if (response.op === "index") {
// clear results table
$("#openpgpjs_search_results tbody").html("");
try {
result = JSON.parse(response.message);
} catch (e) {
$("#openpgpjs_search_results tbody").html(rcmail.gettext("search_no_keys", "roundcube_openpgp"));
return false;
}
// print search results to table
for (var i = 0; i < result.length; i++) {
$("#openpgpjs_search_results tbody").append(
"<tr><td>" + result[i][0] + "</td>" +
"<td>" + result[i][1] + "</td>" +
"<td><a href='#' onclick='rcmail.openpgp_import_from_sks(\"" + result[i][0] + "\");'>Import</a></td></tr>"
);
}
} else if (response.op === "get") {
var k = JSON.parse(response.message);
// import key and change tab
rcmail.openpgp_import_keys(String(k[0]));
$("#openpgpjs_tabs").tabs({ active: 3 });
}
};
/**
* Returns the number of private keys in keyring
*
* @return {Integer}
*/
rcube_webmail.prototype.openpgp_private_key_count = function()
{
return keyring.privateKeys.keys.length;
};
/**
* Select a private key.
*
* @param i {Integer} Used as openpgp.keyring[private|public]Keys[i]
*/
rcube_webmail.prototype.openpgp_select_key = function(id)
{
$("#openpgpjs_selected i").html(
$("#key_" + id).html()
);
$("#openpgpjs_selected_id").val(id);
$("#passphrase").val("");
};
/**
* Update key selector dialog.
*/
rcube_webmail.prototype.openpgp_update_key_selector = function()
{
var privateKeys = this.openpgp_private_key_count();
// empty key selection list
$("#openpgpjs_key_select_list tbody").html("");
// selected set as $("#openpgpjs_selected_id").val(), then get that value from this.openpgp_set_passphrase
for (var i = 0; i < privateKeys; i++) {
var userIds = keyring.privateKeys.keys[i].getUserIds()
for (var j = 0; j < userIds.length; j++) {
$("#openpgpjs_key_select_list tbody").append(
"<tr class=\"clickme\" id=\"key_" + i +"\"onclick=\"rcmail.openpgp_select_key(" + i + ");\">" +
"<td>" + this.openpgp_get_fingerprint(i, true) + "</td>" +
"<td>" + this.openpgp_escape_html(userIds[j]) + "</td>" +
"</tr>"
);
}
}
// only one key in keyring, nothing to select from
if (privateKeys === 1) {
$("#openpgpjs_key_select_list").addClass('hidden');
$("#openpgpjs_selected_id").val(0);
this.openpgp_select_key(0);
}
return true;
};
/**
* Converts an algorithm type to the algorithm string for output
*
* @param type {String} Algorithm type
* @return {String} Algorithm string
*/
rcube_webmail.prototype.openpgp_type_to_string = function(type)
{
if(isNaN(type)) {
type = openpgp.enums.publicKey[type];
}
switch(type) {
// rsa_encrypt_sign
case 1:
return "RSA (encrypt/sign)";
// rsa_encrypt
case 2:
return "RSA (encrypt)";
// rsa_sign
case 3:
return "RSA (sign)";
// elgamal
case 16:
return "Elgamal";
// dsa
case 17:
return "DSA";
// unknown
default:
return "Unknown";
}
};
/**
* Extracts the algorithm string from a key and return the algorithm type.
*
* @param id {Integer} Key id in keyring
* @return {String} Algorithm type
*/
rcube_webmail.prototype.openpgp_get_algorithm = function(id, private=false)
{
var key;
if (private) {
key = keyring.privateKeys.keys[id].primaryKey;
} else {
key = keyring.publicKeys.keys[id].primaryKey;
}
return key.mpi[0].byteLength() * 8 + "/" + this.openpgp_type_to_string(key.algorithm);
};
/**
* Returns the status of the key as String (invalid, expired, revoked,
* valid, no self cert)