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roundcubemail/plugins/enigma/lib/enigma_signature.php

89 lines
3.2 KiB
PHP

<?php
/**
+-------------------------------------------------------------------------+
| Signature class for the Enigma Plugin |
| |
| Copyright (C) The Roundcube Dev Team |
| |
| Licensed under the GNU General Public License version 3 or |
| any later version with exceptions for skins & plugins. |
| See the README file for a full license statement. |
+-------------------------------------------------------------------------+
| Author: Aleksander Machniak <alec@alec.pl> |
+-------------------------------------------------------------------------+
*/
class enigma_signature
{
public $id;
public $valid;
public $fingerprint;
public $created;
public $expires;
public $name;
public $comment;
public $email;
// Set it to true if signature is valid, but part of the message
// was out of the signed block
public $partial;
/**
* Find key user id matching the email message sender
*
* @param enigma_engine $engine Enigma engine
* @param rcube_message $message Message object
* @param string $part_id Message part identifier
*
* @return string User identifier (name + email)
*/
public function get_sender($engine, $message, $part_id = null)
{
if (!$this->email) {
return $this->name;
}
if ($this->fingerprint && ($key = $engine->get_key($this->fingerprint))) {
$from = $message->headers->from;
$charset = $message->charset;
// Get From: header from the parent part, if it's a forwarded message
if ($part_id && strpos($part_id, '.') !== false) {
$level = explode('.', $part_id);
$parts = $message->mime_parts();
while (array_pop($level) !== null) {
$parent = join('.', $level);
if ($parts[$parent] && $parts[$parent]->mimetype == 'message/rfc822') {
$from = $parts[$parent]->headers['from'];
$charset = $parts[$parent]->charset;
break;
}
}
}
$from = rcube_mime::decode_address_list($from, 1, true, $charset);
$from = (array) $from[1];
if (!empty($from)) {
// Compare name and email
foreach ($key->users as $user) {
if ($user->name == $from['name'] && $user->email == $from['mailto']) {
return sprintf('%s <%s>', $user->name, $user->email);
}
}
// Compare only email
foreach ($key->users as $user) {
if ($user->email === $from['mailto']) {
return sprintf('%s <%s>', $this->name, $user->email);
}
}
}
}
return sprintf('%s <%s>', $this->name, $this->email);
}
}