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<?php
/**
* Detect VCard attachments and show a button to add them to address book
*
* @version @package_version@
* @license GNU GPLv3+
* @author Thomas Bruederli, Aleksander Machniak
*/
class vcard_attachments extends rcube_plugin
{
public $task = 'mail';
private $message;
private $vcard_parts = array();
private $vcard_bodies = array();
function init()
{
$rcmail = rcmail::get_instance();
if ($rcmail->action == 'show' || $rcmail->action == 'preview') {
$this->add_hook('message_load', array($this, 'message_load'));
$this->add_hook('template_object_messagebody', array($this, 'html_output'));
}
else if (!$rcmail->output->framed && (!$rcmail->action || $rcmail->action == 'list')) {
$icon = 'plugins/vcard_attachments/' .$this->local_skin_path(). '/vcard.png';
$rcmail->output->set_env('vcard_icon', $icon);
$this->include_script('vcardattach.js');
}
$this->register_action('plugin.savevcard', array($this, 'save_vcard'));
}
/**
* Check message bodies and attachments for vcards
*/
function message_load($p)
{
$this->message = $p['object'];
// handle attachments vcard attachments
foreach ((array)$this->message->attachments as $attachment) {
if ($this->is_vcard($attachment)) {
$this->vcard_parts[] = $attachment->mime_id;
}
}
// the same with message bodies
foreach ((array)$this->message->parts as $idx => $part) {
if ($this->is_vcard($part)) {
$this->vcard_parts[] = $part->mime_id;
$this->vcard_bodies[] = $part->mime_id;
}
}
if ($this->vcard_parts)
$this->add_texts('localization');
}
/**
* This callback function adds a box below the message content
* if there is a vcard attachment available
*/
function html_output($p)
{
$attach_script = false;
$icon = 'plugins/vcard_attachments/' .$this->local_skin_path(). '/vcard_add_contact.png';
foreach ($this->vcard_parts as $part) {
$vcards = rcube_vcard::import($this->message->get_part_content($part, null, true));
// successfully parsed vcards?
if (empty($vcards))
continue;
// remove part's body
if (in_array($part, $this->vcard_bodies))
$p['content'] = '';
foreach ($vcards as $idx => $vcard) {
$display = $vcard->displayname;
if ($vcard->email[0])
$display .= ' <'.$vcard->email[0].'>';
// add box below message body
$p['content'] .= html::p(array('class' => 'vcardattachment'),
html::a(array(
'href' => "#",
'onclick' => "return plugin_vcard_save_contact('" . JQ($part.':'.$idx) . "')",
'title' => $this->gettext('addvcardmsg'),
),
html::span(null, Q($display)))
);
}
$attach_script = true;
}
if ($attach_script) {
$this->include_script('vcardattach.js');
$this->include_stylesheet($this->local_skin_path() . '/style.css');
}
return $p;
}
/**
* Handler for request action
*/
function save_vcard()
{
$this->add_texts('localization', true);
$uid = get_input_value('_uid', RCUBE_INPUT_POST);
$mbox = get_input_value('_mbox', RCUBE_INPUT_POST);
$mime_id = get_input_value('_part', RCUBE_INPUT_POST);
$rcmail = rcmail::get_instance();
$storage = $rcmail->get_storage();
$storage->set_folder($mbox);
if ($uid && $mime_id) {
list($mime_id, $index) = explode(':', $mime_id);
$part = $storage->get_message_part($uid, $mime_id, null, null, null, true);
}
$error_msg = $this->gettext('vcardsavefailed');
if ($part && ($vcards = rcube_vcard::import($part))
&& ($vcard = $vcards[$index]) && $vcard->displayname && $vcard->email
) {
$CONTACTS = $this->get_address_book();
$email = $vcard->email[0];
$contact = $vcard->get_assoc();
$valid = true;
// skip entries without an e-mail address or invalid
if (empty($email) || !$CONTACTS->validate($contact, true)) {
$valid = false;
}
else {
// We're using UTF8 internally
$email = rcube_idn_to_utf8($email);
// compare e-mail address
$existing = $CONTACTS->search('email', $email, 1, false);
// compare display name
if (!$existing->count && $vcard->displayname) {
$existing = $CONTACTS->search('name', $vcard->displayname, 1, false);
}
if ($existing->count) {
$rcmail->output->command('display_message', $this->gettext('contactexists'), 'warning');
$valid = false;
}
}
if ($valid) {
$plugin = $rcmail->plugins->exec_hook('contact_create', array('record' => $contact, 'source' => null));
$contact = $plugin['record'];
if (!$plugin['abort'] && $CONTACTS->insert($contact))
$rcmail->output->command('display_message', $this->gettext('addedsuccessfully'), 'confirmation');
else
$rcmail->output->command('display_message', $error_msg, 'error');
}
}
else {
$rcmail->output->command('display_message', $error_msg, 'error');
}
$rcmail->output->send();
}
/**
* Checks if specified message part is a vcard data
*
* @param rcube_message_part Part object
*
* @return boolean True if part is of type vcard
*/
function is_vcard($part)
{
return (
// Content-Type: text/vcard;
$part->mimetype == 'text/vcard' ||
// Content-Type: text/x-vcard;
$part->mimetype == 'text/x-vcard' ||
// Content-Type: text/directory; profile=vCard;
($part->mimetype == 'text/directory' && (
($part->ctype_parameters['profile'] &&
strtolower($part->ctype_parameters['profile']) == 'vcard')
// Content-Type: text/directory; (with filename=*.vcf)
|| ($part->filename && preg_match('/\.vcf$/i', $part->filename))
)
)
);
}
/**
* Getter for default (writable) addressbook
*/
private function get_address_book()
{
if ($this->abook) {
return $this->abook;
}
$rcmail = rcmail::get_instance();
$abook = $rcmail->config->get('default_addressbook');
// Get configured addressbook
$CONTACTS = $rcmail->get_address_book($abook, true);
// Get first writeable addressbook if the configured doesn't exist
// This can happen when user deleted the addressbook (e.g. Kolab folder)
if ($abook === null || $abook === '' || !is_object($CONTACTS)) {
$source = reset($rcmail->get_address_sources(true));
$CONTACTS = $rcmail->get_address_book($source['id'], true);
}
return $this->abook = $CONTACTS;
}
}
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