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diff --git a/plugins/libkolab/lib/kolab_format.php b/plugins/libkolab/lib/kolab_format.php
index be2a0b87..4e53d858 100644
--- a/plugins/libkolab/lib/kolab_format.php
+++ b/plugins/libkolab/lib/kolab_format.php
@@ -1,579 +1,583 @@
<?php
/**
* Kolab format model class wrapping libkolabxml bindings
*
* Abstract base class for different Kolab groupware objects read from/written
* to the new Kolab 3 format using the PHP bindings of libkolabxml.
*
* @version @package_version@
* @author Thomas Bruederli <bruederli@kolabsys.com>
*
* Copyright (C) 2012, Kolab Systems AG <contact@kolabsys.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
abstract class kolab_format
{
public static $timezone;
public /*abstract*/ $CTYPE;
public /*abstract*/ $CTYPEv2;
protected /*abstract*/ $objclass;
protected /*abstract*/ $read_func;
protected /*abstract*/ $write_func;
protected $obj;
protected $data;
protected $xmldata;
protected $xmlobject;
protected $formaterror;
protected $loaded = false;
protected $version = '3.0';
const KTYPE_PREFIX = 'application/x-vnd.kolab.';
const PRODUCT_ID = 'Roundcube-libkolab-0.9';
/**
* Factory method to instantiate a kolab_format object of the given type and version
*
* @param string Object type to instantiate
* @param float Format version
* @param string Cached xml data to initialize with
* @return object kolab_format
*/
public static function factory($type, $version = '3.0', $xmldata = null)
{
if (!isset(self::$timezone))
self::$timezone = new DateTimeZone('UTC');
if (!self::supports($version))
return PEAR::raiseError("No support for Kolab format version " . $version);
$type = preg_replace('/configuration\.[a-z.]+$/', 'configuration', $type);
$suffix = preg_replace('/[^a-z]+/', '', $type);
$classname = 'kolab_format_' . $suffix;
if (class_exists($classname))
return new $classname($xmldata, $version);
return PEAR::raiseError("Failed to load Kolab Format wrapper for type " . $type);
}
/**
* Determine support for the given format version
*
* @param float Format version to check
* @return boolean True if supported, False otherwise
*/
public static function supports($version)
{
if ($version == '2.0')
return class_exists('kolabobject');
// default is version 3
return class_exists('kolabformat');
}
/**
* Convert the given date/time value into a cDateTime object
*
* @param mixed Date/Time value either as unix timestamp, date string or PHP DateTime object
* @param DateTimeZone The timezone the date/time is in. Use global default if Null, local time if False
* @param boolean True of the given date has no time component
* @return object The libkolabxml date/time object
*/
public static function get_datetime($datetime, $tz = null, $dateonly = false)
{
// use timezone information from datetime of global setting
if (!$tz && $tz !== false) {
if ($datetime instanceof DateTime)
$tz = $datetime->getTimezone();
if (!$tz)
$tz = self::$timezone;
}
$result = new cDateTime();
try {
// got a unix timestamp (in UTC)
if (is_numeric($datetime)) {
$datetime = new DateTime('@'.$datetime, new DateTimeZone('UTC'));
if ($tz) $datetime->setTimezone($tz);
}
else if (is_string($datetime) && strlen($datetime)) {
$datetime = new DateTime($datetime, $tz ?: null);
}
}
catch (Exception $e) {}
if ($datetime instanceof DateTime) {
$result->setDate($datetime->format('Y'), $datetime->format('n'), $datetime->format('j'));
if (!$dateonly)
$result->setTime($datetime->format('G'), $datetime->format('i'), $datetime->format('s'));
if ($tz && in_array($tz->getName(), array('UTC', 'GMT', '+00:00', 'Z')))
$result->setUTC(true);
else if ($tz !== false)
$result->setTimezone($tz->getName());
}
return $result;
}
/**
* Convert the given cDateTime into a PHP DateTime object
*
* @param object cDateTime The libkolabxml datetime object
* @return object DateTime PHP datetime instance
*/
public static function php_datetime($cdt)
{
if (!is_object($cdt) || !$cdt->isValid())
return null;
$d = new DateTime;
$d->setTimezone(self::$timezone);
try {
if ($tzs = $cdt->timezone()) {
$tz = new DateTimeZone($tzs);
$d->setTimezone($tz);
}
else if ($cdt->isUTC()) {
$d->setTimezone(new DateTimeZone('UTC'));
}
}
catch (Exception $e) { }
$d->setDate($cdt->year(), $cdt->month(), $cdt->day());
if ($cdt->isDateOnly()) {
$d->_dateonly = true;
$d->setTime(12, 0, 0); // set time to noon to avoid timezone troubles
}
else {
$d->setTime($cdt->hour(), $cdt->minute(), $cdt->second());
}
return $d;
}
/**
* Convert a libkolabxml vector to a PHP array
*
* @param object vector Object
* @return array Indexed array containing vector elements
*/
public static function vector2array($vec, $max = PHP_INT_MAX)
{
$arr = array();
for ($i=0; $i < $vec->size() && $i < $max; $i++)
$arr[] = $vec->get($i);
return $arr;
}
/**
* Build a libkolabxml vector (string) from a PHP array
*
* @param array Array with vector elements
* @return object vectors
*/
public static function array2vector($arr)
{
$vec = new vectors;
foreach ((array)$arr as $val) {
if (strlen($val))
$vec->push($val);
}
return $vec;
}
/**
* Parse the X-Kolab-Type header from MIME messages and return the object type in short form
*
* @param string X-Kolab-Type header value
* @return string Kolab object type (contact,event,task,note,etc.)
*/
public static function mime2object_type($x_kolab_type)
{
return preg_replace(
array('/dictionary.[a-z.]+$/', '/contact.distlist$/'),
array( 'dictionary', 'distribution-list'),
substr($x_kolab_type, strlen(self::KTYPE_PREFIX))
);
}
/**
* Default constructor of all kolab_format_* objects
*/
public function __construct($xmldata = null, $version = null)
{
$this->obj = new $this->objclass;
$this->xmldata = $xmldata;
if ($version)
$this->version = $version;
// use libkolab module if available
if (class_exists('kolabobject'))
$this->xmlobject = new XMLObject();
}
/**
* Check for format errors after calling kolabformat::write*()
*
* @return boolean True if there were errors, False if OK
*/
protected function format_errors()
{
$ret = $log = false;
switch (kolabformat::error()) {
case kolabformat::NoError:
$ret = false;
break;
case kolabformat::Warning:
$ret = false;
$uid = is_object($this->obj) ? $this->obj->uid() : $this->data['uid'];
$log = "Warning @ $uid";
break;
default:
$ret = true;
$log = "Error";
}
if ($log && !isset($this->formaterror)) {
rcube::raise_error(array(
'code' => 660,
'type' => 'php',
'file' => __FILE__,
'line' => __LINE__,
'message' => "kolabformat $log: " . kolabformat::errorMessage(),
), true);
$this->formaterror = $ret;
}
return $ret;
}
/**
* Save the last generated UID to the object properties.
* Should be called after kolabformat::writeXXXX();
*/
protected function update_uid()
{
// get generated UID
if (!$this->data['uid']) {
if ($this->xmlobject) {
$this->data['uid'] = $this->xmlobject->getSerializedUID();
}
if (empty($this->data['uid'])) {
$this->data['uid'] = kolabformat::getSerializedUID();
}
$this->obj->setUid($this->data['uid']);
}
}
/**
* Initialize libkolabxml object with cached xml data
*/
protected function init()
{
if (!$this->loaded) {
if ($this->xmldata) {
$this->load($this->xmldata);
$this->xmldata = null;
}
$this->loaded = true;
}
}
/**
* Get constant value for libkolab's version parameter
*
* @param float Version value to convert
* @return int Constant value of either kolabobject::KolabV2 or kolabobject::KolabV3 or false if kolabobject module isn't available
*/
protected function libversion($v = null)
{
if (class_exists('kolabobject')) {
$version = $v ?: $this->version;
if ($version <= '2.0')
return kolabobject::KolabV2;
else
return kolabobject::KolabV3;
}
return false;
}
/**
* Determine the correct libkolab(xml) wrapper function for the given call
* depending on the available PHP modules
*/
protected function libfunc($func)
{
if (is_array($func) || strpos($func, '::'))
return $func;
else if (class_exists('kolabobject'))
return array($this->xmlobject, $func);
else
return 'kolabformat::' . $func;
}
/**
* Direct getter for object properties
*/
public function __get($var)
{
return $this->data[$var];
}
/**
* Load Kolab object data from the given XML block
*
* @param string XML data
* @return boolean True on success, False on failure
*/
public function load($xml)
{
$this->formaterror = null;
$read_func = $this->libfunc($this->read_func);
if (is_array($read_func))
$r = call_user_func($read_func, $xml, $this->libversion());
else
$r = call_user_func($read_func, $xml, false);
if (is_resource($r))
$this->obj = new $this->objclass($r);
else if (is_a($r, $this->objclass))
$this->obj = $r;
$this->loaded = !$this->format_errors();
}
/**
* Write object data to XML format
*
* @param float Format version to write
* @return string XML data
*/
public function write($version = null)
{
$this->formaterror = null;
$this->init();
$write_func = $this->libfunc($this->write_func);
if (is_array($write_func))
$this->xmldata = call_user_func($write_func, $this->obj, $this->libversion($version), self::PRODUCT_ID);
else
$this->xmldata = call_user_func($write_func, $this->obj, self::PRODUCT_ID);
if (!$this->format_errors())
$this->update_uid();
else
$this->xmldata = null;
return $this->xmldata;
}
/**
* Set properties to the kolabformat object
*
* @param array Object data as hash array
*/
public function set(&$object)
{
$this->init();
if (!empty($object['uid']))
$this->obj->setUid($object['uid']);
// set some automatic values if missing
if (empty($object['created']) && method_exists($this->obj, 'setCreated')) {
$cdt = $this->obj->created();
$object['created'] = $cdt && $cdt->isValid() ? self::php_datetime($cdt) : new DateTime('now', new DateTimeZone('UTC'));
if (!$cdt || !$cdt->isValid())
$this->obj->setCreated(self::get_datetime($object['created']));
}
$object['changed'] = new DateTime('now', new DateTimeZone('UTC'));
$this->obj->setLastModified(self::get_datetime($object['changed']));
// Save custom properties of the given object
if (isset($object['x-custom']) && method_exists($this->obj, 'setCustomProperties')) {
$vcustom = new vectorcs;
foreach ((array)$object['x-custom'] as $cp) {
if (is_array($cp))
$vcustom->push(new CustomProperty($cp[0], $cp[1]));
}
$this->obj->setCustomProperties($vcustom);
}
// load custom properties from XML for caching (#2238) if method exists (#3125)
else if (method_exists($this->obj, 'customProperties')) {
$object['x-custom'] = array();
$vcustom = $this->obj->customProperties();
for ($i=0; $i < $vcustom->size(); $i++) {
$cp = $vcustom->get($i);
$object['x-custom'][] = array($cp->identifier, $cp->value);
}
}
}
/**
* Convert the Kolab object into a hash array data structure
*
* @param array Additional data for merge
*
* @return array Kolab object data as hash array
*/
public function to_array($data = array())
{
$this->init();
// read object properties into local data object
$object = array(
'uid' => $this->obj->uid(),
'changed' => self::php_datetime($this->obj->lastModified()),
);
// not all container support the created property
if (method_exists($this->obj, 'created')) {
$object['created'] = self::php_datetime($this->obj->created());
}
// read custom properties
if (method_exists($this->obj, 'customProperties')) {
$vcustom = $this->obj->customProperties();
for ($i=0; $i < $vcustom->size(); $i++) {
$cp = $vcustom->get($i);
$object['x-custom'][] = array($cp->identifier, $cp->value);
}
}
// merge with additional data, e.g. attachments from the message
if ($data) {
foreach ($data as $idx => $value) {
if (is_array($value)) {
$object[$idx] = array_merge((array)$object[$idx], $value);
}
else {
$object[$idx] = $value;
}
}
}
return $object;
}
/**
* Object validation method to be implemented by derived classes
*/
abstract public function is_valid();
/**
* Callback for kolab_storage_cache to get object specific tags to cache
*
* @return array List of tags to save in cache
*/
public function get_tags()
{
return array();
}
/**
* Callback for kolab_storage_cache to get words to index for fulltext search
*
* @return array List of words to save in cache
*/
public function get_words()
{
return array();
}
/**
* Utility function to extract object attachment data
*
* @param array Hash array reference to append attachment data into
*/
- protected function get_attachments(&$object)
+ public function get_attachments(&$object)
{
+ $this->init();
+
// handle attachments
$vattach = $this->obj->attachments();
for ($i=0; $i < $vattach->size(); $i++) {
$attach = $vattach->get($i);
// skip cid: attachments which are mime message parts handled by kolab_storage_folder
if (substr($attach->uri(), 0, 4) != 'cid:' && $attach->label()) {
$name = $attach->label();
+ $key = $name . (isset($object['_attachments'][$name]) ? '.'.$i : '');
$content = $attach->data();
- $object['_attachments'][$name] = array(
+ $object['_attachments'][$key] = array(
+ 'id' => 'i:'.$i,
'name' => $name,
'mimetype' => $attach->mimetype(),
'size' => strlen($content),
'content' => $content,
);
}
else if (in_array(substr($attach->uri(), 0, 4), array('http','imap'))) {
$object['links'][] = $attach->uri();
}
}
}
/**
* Utility function to set attachment properties to the kolabformat object
*
* @param array Object data as hash array
* @param boolean True to always overwrite attachment information
*/
protected function set_attachments($object, $write = true)
{
// save attachments
$vattach = new vectorattachment;
foreach ((array) $object['_attachments'] as $cid => $attr) {
if (empty($attr))
continue;
$attach = new Attachment;
$attach->setLabel((string)$attr['name']);
$attach->setUri('cid:' . $cid, $attr['mimetype'] ?: 'application/octet-stream');
if ($attach->isValid()) {
$vattach->push($attach);
$write = true;
}
else {
rcube::raise_error(array(
'code' => 660,
'type' => 'php',
'file' => __FILE__,
'line' => __LINE__,
'message' => "Invalid attributes for attachment $cid: " . var_export($attr, true),
), true);
}
}
foreach ((array) $object['links'] as $link) {
$attach = new Attachment;
$attach->setUri($link, 'unknown');
$vattach->push($attach);
$write = true;
}
if ($write) {
$this->obj->setAttachments($vattach);
}
}
}
diff --git a/plugins/libkolab/lib/kolab_storage_folder.php b/plugins/libkolab/lib/kolab_storage_folder.php
index fe0f0f30..ad6d5c0c 100644
--- a/plugins/libkolab/lib/kolab_storage_folder.php
+++ b/plugins/libkolab/lib/kolab_storage_folder.php
@@ -1,1047 +1,1070 @@
<?php
/**
* The kolab_storage_folder class represents an IMAP folder on the Kolab server.
*
* @version @package_version@
* @author Thomas Bruederli <bruederli@kolabsys.com>
* @author Aleksander Machniak <machniak@kolabsys.com>
*
* Copyright (C) 2012-2013, Kolab Systems AG <contact@kolabsys.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class kolab_storage_folder extends kolab_storage_folder_api
{
/**
* The kolab_storage_cache instance for caching operations
* @var object
*/
public $cache;
private $type_annotation;
private $resource_uri;
/**
* Default constructor
*/
function __construct($name, $type = null)
{
parent::__construct($name);
$this->imap->set_options(array('skip_deleted' => true));
$this->set_folder($name, $type);
}
/**
* Set the IMAP folder this instance connects to
*
* @param string The folder name/path
* @param string Optional folder type if known
*/
public function set_folder($name, $type = null)
{
$this->type_annotation = $type ? $type : kolab_storage::folder_type($name);
$oldtype = $this->type;
list($this->type, $suffix) = explode('.', $this->type_annotation);
$this->default = $suffix == 'default';
$this->name = $name;
$this->id = kolab_storage::folder_id($name);
// reset cached object properties
$this->owner = $this->namespace = $this->resource_uri = $this->info = $this->idata = null;
// get a new cache instance of folder type changed
if (!$this->cache || $type != $oldtype)
$this->cache = kolab_storage_cache::factory($this);
$this->imap->set_folder($this->name);
$this->cache->set_folder($this);
}
/**
* Compose a unique resource URI for this IMAP folder
*/
public function get_resource_uri()
{
if (!empty($this->resource_uri))
return $this->resource_uri;
// strip namespace prefix from folder name
$ns = $this->get_namespace();
$nsdata = $this->imap->get_namespace($ns);
if (is_array($nsdata[0]) && strlen($nsdata[0][0]) && strpos($this->name, $nsdata[0][0]) === 0) {
$subpath = substr($this->name, strlen($nsdata[0][0]));
if ($ns == 'other') {
list($user, $suffix) = explode($nsdata[0][1], $subpath, 2);
$subpath = $suffix;
}
}
else {
$subpath = $this->name;
}
// compose fully qualified ressource uri for this instance
$this->resource_uri = 'imap://' . urlencode($this->get_owner()) . '@' . $this->imap->options['host'] . '/' . $subpath;
return $this->resource_uri;
}
/**
* Helper method to extract folder UID metadata
*
* @return string Folder's UID
*/
public function get_uid()
{
// UID is defined in folder METADATA
$metakeys = array(kolab_storage::UID_KEY_SHARED, kolab_storage::UID_KEY_PRIVATE, kolab_storage::UID_KEY_CYRUS);
$metadata = $this->get_metadata($metakeys);
foreach ($metakeys as $key) {
if (($uid = $metadata[$key])) {
return $uid;
}
}
// generate a folder UID and set it to IMAP
$uid = rtrim(chunk_split(md5($this->name . $this->get_owner() . uniqid('-', true)), 12, '-'), '-');
$this->set_uid($uid);
return $uid;
}
/**
* Helper method to set an UID value to the given IMAP folder instance
*
* @param string Folder's UID
* @return boolean True on succes, False on failure
*/
public function set_uid($uid)
{
if (!($success = $this->set_metadata(array(kolab_storage::UID_KEY_SHARED => $uid)))) {
$success = $this->set_metadata(array(kolab_storage::UID_KEY_PRIVATE => $uid));
}
return $success;
}
/**
* Compose a folder Etag identifier
*/
public function get_ctag()
{
$fdata = $this->get_imap_data();
return sprintf('%d-%d-%d', $fdata['UIDVALIDITY'], $fdata['HIGHESTMODSEQ'], $fdata['UIDNEXT']);
}
/**
* Check activation status of this folder
*
* @return boolean True if enabled, false if not
*/
public function is_active()
{
return kolab_storage::folder_is_active($this->name);
}
/**
* Change activation status of this folder
*
* @param boolean The desired subscription status: true = active, false = not active
*
* @return True on success, false on error
*/
public function activate($active)
{
return $active ? kolab_storage::folder_activate($this->name) : kolab_storage::folder_deactivate($this->name);
}
/**
* Check subscription status of this folder
*
* @return boolean True if subscribed, false if not
*/
public function is_subscribed()
{
return kolab_storage::folder_is_subscribed($this->name);
}
/**
* Change subscription status of this folder
*
* @param boolean The desired subscription status: true = subscribed, false = not subscribed
*
* @return True on success, false on error
*/
public function subscribe($subscribed)
{
return $subscribed ? kolab_storage::folder_subscribe($this->name) : kolab_storage::folder_unsubscribe($this->name);
}
/**
* Get number of objects stored in this folder
*
* @param mixed Pseudo-SQL query as list of filter parameter triplets
* or string with object type (e.g. contact, event, todo, journal, note, configuration)
* @return integer The number of objects of the given type
* @see self::select()
*/
public function count($query = null)
{
// synchronize cache first
$this->cache->synchronize();
return $this->cache->count($this->_prepare_query($query));
}
/**
* List all Kolab objects of the given type
*
* @param string $type Object type (e.g. contact, event, todo, journal, note, configuration)
* @return array List of Kolab data objects (each represented as hash array)
*/
public function get_objects($type = null)
{
if (!$type) $type = $this->type;
// synchronize caches
$this->cache->synchronize();
// fetch objects from cache
return $this->cache->select($this->_prepare_query($type));
}
/**
* Select *some* Kolab objects matching the given query
*
* @param array Pseudo-SQL query as list of filter parameter triplets
* triplet: array('<colname>', '<comparator>', '<value>')
* @return array List of Kolab data objects (each represented as hash array)
*/
public function select($query = array())
{
// check query argument
if (empty($query))
return $this->get_objects();
// synchronize caches
$this->cache->synchronize();
// fetch objects from cache
return $this->cache->select($this->_prepare_query($query));
}
/**
* Getter for object UIDs only
*
* @param array Pseudo-SQL query as list of filter parameter triplets
* @return array List of Kolab object UIDs
*/
public function get_uids($query = array())
{
// synchronize caches
$this->cache->synchronize();
// fetch UIDs from cache
return $this->cache->select($this->_prepare_query($query), true);
}
/**
* Setter for ORDER BY and LIMIT parameters for cache queries
*
* @param array List of columns to order by
* @param integer Limit result set to this length
* @param integer Offset row
*/
public function set_order_and_limit($sortcols, $length = null, $offset = 0)
{
$this->cache->set_order_by($sortcols);
if ($length !== null) {
$this->cache->set_limit($length, $offset);
}
}
/**
* Helper method to sanitize query arguments
*/
private function _prepare_query($query)
{
// string equals type query
// FIXME: should not be called this way!
if (is_string($query)) {
return $this->cache->has_type_col() && !empty($query) ? array(array('type','=',$query)) : array();
}
foreach ((array)$query as $i => $param) {
if ($param[0] == 'type' && !$this->cache->has_type_col()) {
unset($query[$i]);
}
else if (($param[0] == 'dtstart' || $param[0] == 'dtend' || $param[0] == 'changed')) {
if (is_object($param[2]) && is_a($param[2], 'DateTime'))
$param[2] = $param[2]->format('U');
if (is_numeric($param[2]))
$query[$i][2] = date('Y-m-d H:i:s', $param[2]);
}
}
return $query;
}
/**
* Getter for a single Kolab object, identified by its UID
*
* @param string $uid Object UID
* @param string $type Object type (e.g. contact, event, todo, journal, note, configuration)
* Defaults to folder type
*
* @return array The Kolab object represented as hash array
*/
public function get_object($uid, $type = null)
{
// synchronize caches
$this->cache->synchronize();
$msguid = $this->cache->uid2msguid($uid);
if ($msguid && ($object = $this->cache->get($msguid, $type))) {
return $object;
}
return false;
}
/**
* Fetch a Kolab object attachment which is stored in a separate part
* of the mail MIME message that represents the Kolab record.
*
* @param string Object's UID
* @param string The attachment's mime number
* @param string IMAP folder where message is stored;
* If set, that also implies that the given UID is an IMAP UID
* @param bool True to print the part content
* @param resource File pointer to save the message part
* @param boolean Disables charset conversion
*
* @return mixed The attachment content as binary string
*/
public function get_attachment($uid, $part, $mailbox = null, $print = false, $fp = null, $skip_charset_conv = false)
{
if ($msguid = ($mailbox ? $uid : $this->cache->uid2msguid($uid))) {
$this->imap->set_folder($mailbox ? $mailbox : $this->name);
- return $this->imap->get_message_part($msguid, $part, null, $print, $fp, $skip_charset_conv);
+
+ if (substr($part, 0, 2) == 'i:') {
+ // attachment data is stored in XML
+ if ($object = $this->cache->get($msguid)) {
+ // load data from XML (attachment content is not stored in cache)
+ if ($object['_formatobj'] && isset($object['_size'])) {
+ $object['_attachments'] = array();
+ $object['_formatobj']->get_attachments($object);
+ }
+
+ foreach ($object['_attachments'] as $k => $attach) {
+ if ($attach['id'] == $part) {
+ if ($print) echo $attach['content'];
+ else if ($fp) fwrite($fp, $attach['content']);
+ else return $attach['content'];
+ return true;
+ }
+ }
+ }
+ }
+ else {
+ // return message part from IMAP directly
+ return $this->imap->get_message_part($msguid, $part, null, $print, $fp, $skip_charset_conv);
+ }
}
return null;
}
/**
* Fetch the mime message from the storage server and extract
* the Kolab groupware object from it
*
* @param string The IMAP message UID to fetch
* @param string The object type expected (use wildcard '*' to accept all types)
* @param string The folder name where the message is stored
*
* @return mixed Hash array representing the Kolab object, a kolab_format instance or false if not found
*/
public function read_object($msguid, $type = null, $folder = null)
{
if (!$type) $type = $this->type;
if (!$folder) $folder = $this->name;
$this->imap->set_folder($folder);
$this->cache->bypass(true);
$message = new rcube_message($msguid);
$this->cache->bypass(false);
// Message doesn't exist?
if (empty($message->headers)) {
return false;
}
// extract the X-Kolab-Type header from the XML attachment part if missing
if (empty($message->headers->others['x-kolab-type'])) {
foreach ((array)$message->attachments as $part) {
if (strpos($part->mimetype, kolab_format::KTYPE_PREFIX) === 0) {
$message->headers->others['x-kolab-type'] = $part->mimetype;
break;
}
}
}
// fix buggy messages stating the X-Kolab-Type header twice
else if (is_array($message->headers->others['x-kolab-type'])) {
$message->headers->others['x-kolab-type'] = reset($message->headers->others['x-kolab-type']);
}
// no object type header found: abort
if (empty($message->headers->others['x-kolab-type'])) {
rcube::raise_error(array(
'code' => 600,
'type' => 'php',
'file' => __FILE__,
'line' => __LINE__,
'message' => "No X-Kolab-Type information found in message $msguid ($this->name).",
), true);
return false;
}
$object_type = kolab_format::mime2object_type($message->headers->others['x-kolab-type']);
$content_type = kolab_format::KTYPE_PREFIX . $object_type;
// check object type header and abort on mismatch
if ($type != '*' && $object_type != $type)
return false;
$attachments = array();
// get XML part
foreach ((array)$message->attachments as $part) {
if (!$xml && ($part->mimetype == $content_type || preg_match('!application/([a-z.]+\+)?xml!', $part->mimetype))) {
$xml = $part->body ? $part->body : $message->get_part_content($part->mime_id);
}
else if ($part->filename || $part->content_id) {
$key = $part->content_id ? trim($part->content_id, '<>') : $part->filename;
$size = null;
// Use Content-Disposition 'size' as for the Kolab Format spec.
if (isset($part->d_parameters['size'])) {
$size = $part->d_parameters['size'];
}
// we can trust part size only if it's not encoded
else if ($part->encoding == 'binary' || $part->encoding == '7bit' || $part->encoding == '8bit') {
$size = $part->size;
}
$attachments[$key] = array(
'id' => $part->mime_id,
'name' => $part->filename,
'mimetype' => $part->mimetype,
'size' => $size,
);
}
}
if (!$xml) {
rcube::raise_error(array(
'code' => 600,
'type' => 'php',
'file' => __FILE__,
'line' => __LINE__,
'message' => "Could not find Kolab data part in message $msguid ($this->name).",
), true);
return false;
}
// check kolab format version
$format_version = $message->headers->others['x-kolab-mime-version'];
if (empty($format_version)) {
list($xmltype, $subtype) = explode('.', $object_type);
$xmlhead = substr($xml, 0, 512);
// detect old Kolab 2.0 format
if (strpos($xmlhead, '<' . $xmltype) !== false && strpos($xmlhead, 'xmlns=') === false)
$format_version = '2.0';
else
$format_version = '3.0'; // assume 3.0
}
// get Kolab format handler for the given type
$format = kolab_format::factory($object_type, $format_version);
if (is_a($format, 'PEAR_Error'))
return false;
// load Kolab object from XML part
$format->load($xml);
if ($format->is_valid()) {
$object = $format->to_array(array('_attachments' => $attachments));
$object['_type'] = $object_type;
$object['_msguid'] = $msguid;
$object['_mailbox'] = $this->name;
$object['_formatobj'] = $format;
return $object;
}
else {
// try to extract object UID from XML block
if (preg_match('!<uid>(.+)</uid>!Uims', $xml, $m))
$msgadd = " UID = " . trim(strip_tags($m[1]));
rcube::raise_error(array(
'code' => 600,
'type' => 'php',
'file' => __FILE__,
'line' => __LINE__,
'message' => "Could not parse Kolab object data in message $msguid ($this->name)." . $msgadd,
), true);
}
return false;
}
/**
* Save an object in this folder.
*
* @param array $object The array that holds the data of the object.
* @param string $type The type of the kolab object.
* @param string $uid The UID of the old object if it existed before
* @return boolean True on success, false on error
*/
public function save(&$object, $type = null, $uid = null)
{
if (!$type)
$type = $this->type;
// copy attachments from old message
if (!empty($object['_msguid']) && ($old = $this->cache->get($object['_msguid'], $type, $object['_mailbox']))) {
foreach ((array)$old['_attachments'] as $key => $att) {
if (!isset($object['_attachments'][$key])) {
$object['_attachments'][$key] = $old['_attachments'][$key];
}
// unset deleted attachment entries
if ($object['_attachments'][$key] == false) {
unset($object['_attachments'][$key]);
}
// load photo.attachment from old Kolab2 format to be directly embedded in xcard block
else if ($type == 'contact' && ($key == 'photo.attachment' || $key == 'kolab-picture.png') && $att['id']) {
if (!isset($object['photo']))
$object['photo'] = $this->get_attachment($object['_msguid'], $att['id'], $object['_mailbox']);
unset($object['_attachments'][$key]);
}
}
}
// save contact photo to attachment for Kolab2 format
if (kolab_storage::$version == '2.0' && $object['photo']) {
$attkey = 'kolab-picture.png'; // this file name is hard-coded in libkolab/kolabformatV2/contact.cpp
$object['_attachments'][$attkey] = array(
'mimetype'=> rcube_mime::image_content_type($object['photo']),
'content' => preg_match('![^a-z0-9/=+-]!i', $object['photo']) ? $object['photo'] : base64_decode($object['photo']),
);
}
// process attachments
if (is_array($object['_attachments'])) {
$numatt = count($object['_attachments']);
foreach ($object['_attachments'] as $key => $attachment) {
// FIXME: kolab_storage and Roundcube attachment hooks use different fields!
if (empty($attachment['content']) && !empty($attachment['data'])) {
$attachment['content'] = $attachment['data'];
unset($attachment['data'], $object['_attachments'][$key]['data']);
}
// make sure size is set, so object saved in cache contains this info
if (!isset($attachment['size'])) {
if (!empty($attachment['content'])) {
if (is_resource($attachment['content'])) {
// this need to be a seekable resource, otherwise
// fstat() failes and we're unable to determine size
// here nor in rcube_imap_generic before IMAP APPEND
$stat = fstat($attachment['content']);
$attachment['size'] = $stat ? $stat['size'] : 0;
}
else {
$attachment['size'] = strlen($attachment['content']);
}
}
else if (!empty($attachment['path'])) {
$attachment['size'] = filesize($attachment['path']);
}
$object['_attachments'][$key] = $attachment;
}
// generate unique keys (used as content-id) for attachments
if (is_numeric($key) && $key < $numatt) {
// derrive content-id from attachment file name
$ext = preg_match('/(\.[a-z0-9]{1,6})$/i', $attachment['name'], $m) ? $m[1] : null;
$basename = preg_replace('/[^a-z0-9_.-]/i', '', basename($attachment['name'], $ext)); // to 7bit ascii
if (!$basename) $basename = 'noname';
$cid = $basename . '.' . microtime(true) . $ext;
$object['_attachments'][$cid] = $attachment;
unset($object['_attachments'][$key]);
}
}
}
// save recurrence exceptions as individual objects due to lack of support in Kolab v2 format
if (kolab_storage::$version == '2.0' && $object['recurrence']['EXCEPTIONS']) {
$this->save_recurrence_exceptions($object, $type);
}
// check IMAP BINARY extension support for 'file' objects
// allow configuration to workaround bug in Cyrus < 2.4.17
$rcmail = rcube::get_instance();
$binary = $type == 'file' && !$rcmail->config->get('kolab_binary_disable') && $this->imap->get_capability('BINARY');
// generate and save object message
if ($raw_msg = $this->build_message($object, $type, $binary, $body_file)) {
// resolve old msguid before saving
if ($uid && empty($object['_msguid']) && ($msguid = $this->cache->uid2msguid($uid))) {
$object['_msguid'] = $msguid;
$object['_mailbox'] = $this->name;
}
$result = $this->imap->save_message($this->name, $raw_msg, null, false, null, null, $binary);
// update cache with new UID
if ($result) {
$old_uid = $object['_msguid'];
$object['_msguid'] = $result;
$object['_mailbox'] = $this->name;
if ($old_uid) {
// delete old message
$this->cache->bypass(true);
$this->imap->delete_message($old_uid, $object['_mailbox']);
$this->cache->bypass(false);
}
// insert/update message in cache
$this->cache->save($result, $object, $old_uid);
}
// remove temp file
if ($body_file) {
@unlink($body_file);
}
}
return $result;
}
/**
* Save recurrence exceptions as individual objects.
* The Kolab v2 format doesn't allow us to save fully embedded exception objects.
*
* @param array Hash array with event properties
* @param string Object type
*/
private function save_recurrence_exceptions(&$object, $type = null)
{
if ($object['recurrence']['EXCEPTIONS']) {
$exdates = array();
foreach ((array)$object['recurrence']['EXDATE'] as $exdate) {
$key = is_a($exdate, 'DateTime') ? $exdate->format('Y-m-d') : strval($exdate);
$exdates[$key] = 1;
}
// save every exception as individual object
foreach((array)$object['recurrence']['EXCEPTIONS'] as $exception) {
$exception['uid'] = self::recurrence_exception_uid($object['uid'], $exception['start']->format('Ymd'));
$exception['sequence'] = $object['sequence'] + 1;
if ($exception['thisandfuture']) {
$exception['recurrence'] = $object['recurrence'];
// adjust the recurrence duration of the exception
if ($object['recurrence']['COUNT']) {
$recurrence = new kolab_date_recurrence($object['_formatobj']);
if ($end = $recurrence->end()) {
unset($exception['recurrence']['COUNT']);
$exception['recurrence']['UNTIL'] = $end;
}
}
// set UNTIL date if we have a thisandfuture exception
$untildate = clone $exception['start'];
$untildate->sub(new DateInterval('P1D'));
$object['recurrence']['UNTIL'] = $untildate;
unset($object['recurrence']['COUNT']);
}
else {
if (!$exdates[$exception['start']->format('Y-m-d')])
$object['recurrence']['EXDATE'][] = clone $exception['start'];
unset($exception['recurrence']);
}
unset($exception['recurrence']['EXCEPTIONS'], $exception['_formatobj'], $exception['_msguid']);
$this->save($exception, $type, $exception['uid']);
}
unset($object['recurrence']['EXCEPTIONS']);
}
}
/**
* Generate an object UID with the given recurrence-ID in a way that it is
* unique (the original UID is not a substring) but still recoverable.
*/
private static function recurrence_exception_uid($uid, $recurrence_id)
{
$offset = -2;
return substr($uid, 0, $offset) . '-' . $recurrence_id . '-' . substr($uid, $offset);
}
/**
* Delete the specified object from this folder.
*
* @param mixed $object The Kolab object to delete or object UID
* @param boolean $expunge Should the folder be expunged?
*
* @return boolean True if successful, false on error
*/
public function delete($object, $expunge = true)
{
$msguid = is_array($object) ? $object['_msguid'] : $this->cache->uid2msguid($object);
$success = false;
$this->cache->bypass(true);
if ($msguid && $expunge) {
$success = $this->imap->delete_message($msguid, $this->name);
}
else if ($msguid) {
$success = $this->imap->set_flag($msguid, 'DELETED', $this->name);
}
$this->cache->bypass(false);
if ($success) {
$this->cache->set($msguid, false);
}
return $success;
}
/**
*
*/
public function delete_all()
{
$this->cache->purge();
$this->cache->bypass(true);
$result = $this->imap->clear_folder($this->name);
$this->cache->bypass(false);
return $result;
}
/**
* Restore a previously deleted object
*
* @param string Object UID
* @return mixed Message UID on success, false on error
*/
public function undelete($uid)
{
if ($msguid = $this->cache->uid2msguid($uid, true)) {
$this->cache->bypass(true);
$result = $this->imap->set_flag($msguid, 'UNDELETED', $this->name);
$this->cache->bypass(false);
if ($result) {
return $msguid;
}
}
return false;
}
/**
* Move a Kolab object message to another IMAP folder
*
* @param string Object UID
* @param string IMAP folder to move object to
* @return boolean True on success, false on failure
*/
public function move($uid, $target_folder)
{
if ($msguid = $this->cache->uid2msguid($uid)) {
$this->cache->bypass(true);
$result = $this->imap->move_message($msguid, $target_folder, $this->name);
$this->cache->bypass(false);
if ($result) {
$this->cache->move($msguid, $uid, $target_folder);
return true;
}
else {
rcube::raise_error(array(
'code' => 600, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Failed to move message $msguid to $target_folder: " . $this->imap->get_error_str(),
), true);
}
}
return false;
}
/**
* Creates source of the configuration object message
*
* @param array $object The array that holds the data of the object.
* @param string $type The type of the kolab object.
* @param bool $binary Enables use of binary encoding of attachment(s)
* @param string $body_file Reference to filename of message body
*
* @return mixed Message as string or array with two elements
* (one for message file path, second for message headers)
*/
private function build_message(&$object, $type, $binary, &$body_file)
{
// load old object to preserve data we don't understand/process
if (is_object($object['_formatobj']))
$format = $object['_formatobj'];
else if ($object['_msguid'] && ($old = $this->cache->get($object['_msguid'], $type, $object['_mailbox'])))
$format = $old['_formatobj'];
// create new kolab_format instance
if (!$format)
$format = kolab_format::factory($type, kolab_storage::$version);
if (PEAR::isError($format))
return false;
$format->set($object);
$xml = $format->write(kolab_storage::$version);
$object['uid'] = $format->uid; // read UID from format
$object['_formatobj'] = $format;
if (empty($xml) || !$format->is_valid() || empty($object['uid'])) {
return false;
}
$mime = new Mail_mime("\r\n");
$rcmail = rcube::get_instance();
$headers = array();
$files = array();
$part_id = 1;
$encoding = $binary ? 'binary' : 'base64';
if ($user_email = $rcmail->get_user_email()) {
$headers['From'] = $user_email;
$headers['To'] = $user_email;
}
$headers['Date'] = date('r');
$headers['X-Kolab-Type'] = kolab_format::KTYPE_PREFIX . $type;
$headers['X-Kolab-Mime-Version'] = kolab_storage::$version;
$headers['Subject'] = $object['uid'];
// $headers['Message-ID'] = $rcmail->gen_message_id();
$headers['User-Agent'] = $rcmail->config->get('useragent');
// Check if we have enough memory to handle the message in it
// It's faster than using files, so we'll do this if we only can
if (!empty($object['_attachments']) && ($mem_limit = parse_bytes(ini_get('memory_limit'))) > 0) {
$memory = function_exists('memory_get_usage') ? memory_get_usage() : 16*1024*1024; // safe value: 16MB
foreach ($object['_attachments'] as $id => $attachment) {
$memory += $attachment['size'];
}
// 1.33 is for base64, we need at least 4x more memory than the message size
if ($memory * ($binary ? 1 : 1.33) * 4 > $mem_limit) {
$marker = '%%%~~~' . md5(microtime(true) . $memory) . '~~~%%%';
$is_file = true;
$temp_dir = unslashify($rcmail->config->get('temp_dir'));
$mime->setParam('delay_file_io', true);
}
}
$mime->headers($headers);
$mime->setTXTBody("This is a Kolab Groupware object. "
. "To view this object you will need an email client that understands the Kolab Groupware format. "
. "For a list of such email clients please visit http://www.kolab.org/\n\n");
$ctype = kolab_storage::$version == '2.0' ? $format->CTYPEv2 : $format->CTYPE;
// Convert new lines to \r\n, to wrokaround "NO Message contains bare newlines"
// when APPENDing from temp file
$xml = preg_replace('/\r?\n/', "\r\n", $xml);
$mime->addAttachment($xml, // file
$ctype, // content-type
'kolab.xml', // filename
false, // is_file
'8bit', // encoding
'attachment', // disposition
RCUBE_CHARSET // charset
);
$part_id++;
// save object attachments as separate parts
foreach ((array)$object['_attachments'] as $key => $att) {
if (empty($att['content']) && !empty($att['id'])) {
// @TODO: use IMAP CATENATE to skip attachment fetch+push operation
$msguid = !empty($object['_msguid']) ? $object['_msguid'] : $object['uid'];
if ($is_file) {
$att['path'] = tempnam($temp_dir, 'rcmAttmnt');
if (($fp = fopen($att['path'], 'w')) && $this->get_attachment($msguid, $att['id'], $object['_mailbox'], false, $fp, true)) {
fclose($fp);
}
else {
return false;
}
}
else {
$att['content'] = $this->get_attachment($msguid, $att['id'], $object['_mailbox'], false, null, true);
}
}
$headers = array('Content-ID' => Mail_mimePart::encodeHeader('Content-ID', '<' . $key . '>', RCUBE_CHARSET, 'quoted-printable'));
$name = !empty($att['name']) ? $att['name'] : $key;
// To store binary files we can use faster method
// without writting full message content to a temporary file but
// directly to IMAP, see rcube_imap_generic::append().
// I.e. use file handles where possible
if (!empty($att['path'])) {
if ($is_file && $binary) {
$files[] = fopen($att['path'], 'r');
$mime->addAttachment($marker, $att['mimetype'], $name, false, $encoding, 'attachment', '', '', '', null, null, '', RCUBE_CHARSET, $headers);
}
else {
$mime->addAttachment($att['path'], $att['mimetype'], $name, true, $encoding, 'attachment', '', '', '', null, null, '', RCUBE_CHARSET, $headers);
}
}
else {
if (is_resource($att['content']) && $is_file && $binary) {
$files[] = $att['content'];
$mime->addAttachment($marker, $att['mimetype'], $name, false, $encoding, 'attachment', '', '', '', null, null, '', RCUBE_CHARSET, $headers);
}
else {
if (is_resource($att['content'])) {
@rewind($att['content']);
$att['content'] = stream_get_contents($att['content']);
}
$mime->addAttachment($att['content'], $att['mimetype'], $name, false, $encoding, 'attachment', '', '', '', null, null, '', RCUBE_CHARSET, $headers);
}
}
$object['_attachments'][$key]['id'] = ++$part_id;
}
if (!$is_file || !empty($files)) {
$message = $mime->getMessage();
}
// parse message and build message array with
// attachment file pointers in place of file markers
if (!empty($files)) {
$message = explode($marker, $message);
$tmp = array();
foreach ($message as $msg_part) {
$tmp[] = $msg_part;
if ($file = array_shift($files)) {
$tmp[] = $file;
}
}
$message = $tmp;
}
// write complete message body into temp file
else if ($is_file) {
// use common temp dir
$body_file = tempnam($temp_dir, 'rcmMsg');
if (PEAR::isError($mime_result = $mime->saveMessageBody($body_file))) {
self::raise_error(array('code' => 650, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Could not create message: ".$mime_result->getMessage()),
true, false);
return false;
}
$message = array(trim($mime->txtHeaders()) . "\r\n\r\n", fopen($body_file, 'r'));
}
return $message;
}
/**
* Triggers any required updates after changes within the
* folder. This is currently only required for handling free/busy
* information with Kolab.
*
* @return boolean|PEAR_Error True if successfull.
*/
public function trigger()
{
$owner = $this->get_owner();
$result = false;
switch($this->type) {
case 'event':
if ($this->get_namespace() == 'personal') {
$result = $this->trigger_url(
sprintf('%s/trigger/%s/%s.pfb',
kolab_storage::get_freebusy_server(),
urlencode($owner),
urlencode($this->imap->mod_folder($this->name))
),
$this->imap->options['user'],
$this->imap->options['password']
);
}
break;
default:
return true;
}
if ($result && is_object($result) && is_a($result, 'PEAR_Error')) {
return PEAR::raiseError(sprintf("Failed triggering folder %s. Error was: %s",
$this->name, $result->getMessage()));
}
return $result;
}
/**
* Triggers a URL.
*
* @param string $url The URL to be triggered.
* @param string $auth_user Username to authenticate with
* @param string $auth_passwd Password for basic auth
* @return boolean|PEAR_Error True if successfull.
*/
private function trigger_url($url, $auth_user = null, $auth_passwd = null)
{
require_once('HTTP/Request2.php');
try {
$request = libkolab::http_request($url);
// set authentication credentials
if ($auth_user && $auth_passwd)
$request->setAuth($auth_user, $auth_passwd);
$result = $request->send();
// rcube::write_log('trigger', $result->getBody());
}
catch (Exception $e) {
return PEAR::raiseError($e->getMessage());
}
return true;
}
}

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