<?php
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/**
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* Detect VCard attachments and show a button to add them to address book
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*
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* @version @package_version@
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* @license GNU GPLv3+
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* @author Thomas Bruederli, Aleksander Machniak
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*/
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class vcard_attachments extends rcube_plugin
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{
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public $task = 'mail';
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private $message;
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private $vcard_parts = array();
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private $vcard_bodies = array();
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function init()
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{
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$rcmail = rcmail::get_instance();
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if ($rcmail->action == 'show' || $rcmail->action == 'preview') {
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$this->add_hook('message_load', array($this, 'message_load'));
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$this->add_hook('template_object_messagebody', array($this, 'html_output'));
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}
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else if (!$rcmail->output->framed && (!$rcmail->action || $rcmail->action == 'list')) {
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$icon = 'plugins/vcard_attachments/' .$this->local_skin_path(). '/vcard.png';
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$rcmail->output->set_env('vcard_icon', $icon);
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$this->include_script('vcardattach.js');
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}
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$this->register_action('plugin.savevcard', array($this, 'save_vcard'));
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}
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/**
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* Check message bodies and attachments for vcards
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*/
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function message_load($p)
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{
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$this->message = $p['object'];
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// handle attachments vcard attachments
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foreach ((array)$this->message->attachments as $attachment) {
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if ($this->is_vcard($attachment)) {
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$this->vcard_parts[] = $attachment->mime_id;
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}
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}
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// the same with message bodies
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foreach ((array)$this->message->parts as $part) {
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if ($this->is_vcard($part)) {
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$this->vcard_parts[] = $part->mime_id;
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$this->vcard_bodies[] = $part->mime_id;
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}
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}
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if ($this->vcard_parts)
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$this->add_texts('localization');
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}
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/**
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* This callback function adds a box below the message content
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* if there is a vcard attachment available
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*/
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function html_output($p)
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{
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$attach_script = false;
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foreach ($this->vcard_parts as $part) {
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$vcards = rcube_vcard::import($this->message->get_part_content($part, null, true));
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// successfully parsed vcards?
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if (empty($vcards)) {
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continue;
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}
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// remove part's body
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if (in_array($part, $this->vcard_bodies)) {
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$p['content'] = '';
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}
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foreach ($vcards as $idx => $vcard) {
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// skip invalid vCards
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if (empty($vcard->email) || empty($vcard->email[0])) {
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continue;
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}
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$display = $vcard->displayname . ' <'.$vcard->email[0].'>';
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// add box below message body
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$p['content'] .= html::p(array('class' => 'vcardattachment'),
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html::a(array(
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'href' => "#",
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'onclick' => "return plugin_vcard_save_contact('" . rcube::JQ($part.':'.$idx) . "')",
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'title' => $this->gettext('addvcardmsg'),
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),
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html::span(null, rcube::Q($display)))
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);
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}
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$attach_script = true;
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}
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if ($attach_script) {
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$this->include_script('vcardattach.js');
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$this->include_stylesheet($this->local_skin_path() . '/style.css');
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}
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return $p;
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}
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/**
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* Handler for request action
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*/
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function save_vcard()
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{
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$this->add_texts('localization', true);
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$uid = rcube_utils::get_input_value('_uid', rcube_utils::INPUT_POST);
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$mbox = rcube_utils::get_input_value('_mbox', rcube_utils::INPUT_POST);
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$mime_id = rcube_utils::get_input_value('_part', rcube_utils::INPUT_POST);
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$rcmail = rcmail::get_instance();
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$message = new rcube_message($uid, $mbox);
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if ($uid && $mime_id) {
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list($mime_id, $index) = explode(':', $mime_id);
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$part = $message->get_part_content($mime_id, null, true);
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}
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$error_msg = $this->gettext('vcardsavefailed');
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if ($part && ($vcards = rcube_vcard::import($part))
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&& ($vcard = $vcards[$index]) && $vcard->displayname && $vcard->email
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) {
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$CONTACTS = $this->get_address_book();
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$email = $vcard->email[0];
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$contact = $vcard->get_assoc();
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$valid = true;
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// skip entries without an e-mail address or invalid
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if (empty($email) || !$CONTACTS->validate($contact, true)) {
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$valid = false;
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}
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else {
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// We're using UTF8 internally
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$email = rcube_utils::idn_to_utf8($email);
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// compare e-mail address
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$existing = $CONTACTS->search('email', $email, 1, false);
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// compare display name
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if (!$existing->count && $vcard->displayname) {
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$existing = $CONTACTS->search('name', $vcard->displayname, 1, false);
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}
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if ($existing->count) {
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$rcmail->output->command('display_message', $this->gettext('contactexists'), 'warning');
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$valid = false;
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}
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}
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if ($valid) {
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$plugin = $rcmail->plugins->exec_hook('contact_create', array('record' => $contact, 'source' => null));
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$contact = $plugin['record'];
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if (!$plugin['abort'] && $CONTACTS->insert($contact))
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$rcmail->output->command('display_message', $this->gettext('addedsuccessfully'), 'confirmation');
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else
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$rcmail->output->command('display_message', $error_msg, 'error');
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}
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}
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else {
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$rcmail->output->command('display_message', $error_msg, 'error');
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}
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$rcmail->output->send();
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}
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/**
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* Checks if specified message part is a vcard data
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*
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* @param rcube_message_part Part object
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*
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* @return boolean True if part is of type vcard
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*/
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function is_vcard($part)
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{
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return (
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// Content-Type: text/vcard;
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$part->mimetype == 'text/vcard' ||
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// Content-Type: text/x-vcard;
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$part->mimetype == 'text/x-vcard' ||
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// Content-Type: text/directory; profile=vCard;
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($part->mimetype == 'text/directory' && (
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($part->ctype_parameters['profile'] &&
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strtolower($part->ctype_parameters['profile']) == 'vcard')
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// Content-Type: text/directory; (with filename=*.vcf)
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|| ($part->filename && preg_match('/\.vcf$/i', $part->filename))
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)
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)
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);
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}
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/**
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* Getter for default (writable) addressbook
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*/
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private function get_address_book()
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{
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if ($this->abook) {
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return $this->abook;
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}
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$rcmail = rcmail::get_instance();
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$abook = $rcmail->config->get('default_addressbook');
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// Get configured addressbook
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$CONTACTS = $rcmail->get_address_book($abook, true);
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// Get first writeable addressbook if the configured doesn't exist
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// This can happen when user deleted the addressbook (e.g. Kolab folder)
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if ($abook === null || $abook === '' || !is_object($CONTACTS)) {
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$source = reset($rcmail->get_address_sources(true));
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$CONTACTS = $rcmail->get_address_book($source['id'], true);
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}
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return $this->abook = $CONTACTS;
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}
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}
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