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carddav_backend.php
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<?php
/*
RCM CardDAV Plugin
Copyright (C) 2011-2016 Benjamin Schieder <[email protected]>,
Michael Stilkerich <[email protected]>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 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 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.
*/
require_once("carddav_common.php");
use \Sabre\VObject;
class carddav_backend extends rcube_addressbook
{
private static $helper;
// database primary key, used by RC to search by ID
public $primary_key = 'id';
public $coltypes;
private $fallbacktypes = array( 'email' => array('internet') );
// database ID of the addressbook
private $id;
// currently active search filter
private $filter;
private $result;
// configuration of the addressbook
private $config;
// The value of the global "sync_collection_workaround" preference.
// Defaults to false if the user comments it out.
private $sync_collection_workaround = false;
// custom labels defined in the addressbook
private $xlabels;
const SEPARATOR = ',';
// contains a the URIs, db ids and etags of the locally stored cards whenever
// a refresh from the server is attempted. This is used to avoid a separate
// "exists?" DB query for each card retrieved from the server and also allows
// to detect whether cards were deleted on the server
private $existing_card_cache = array();
// same thing for groups
private $existing_grpcard_cache = array();
// used in refresh DB to record group memberships for the delayed
// creation in the database (after all contacts have been loaded and
// stored from the server)
private $users_to_add;
// total number of contacts in address book
private $total_cards = -1;
// attributes that are redundantly stored in the contact table and need
// not be parsed from the vcard
private $table_cols = array('id', 'name', 'email', 'firstname', 'surname');
// maps VCard property names to roundcube keys
private $vcf2rc = array(
'simple' => array(
'BDAY' => 'birthday',
'FN' => 'name',
'NICKNAME' => 'nickname',
'NOTE' => 'notes',
'PHOTO' => 'photo',
'TITLE' => 'jobtitle',
'UID' => 'cuid',
'X-ABShowAs' => 'showas',
'X-ANNIVERSARY' => 'anniversary',
'X-ASSISTANT' => 'assistant',
'X-GENDER' => 'gender',
'X-MANAGER' => 'manager',
'X-SPOUSE' => 'spouse',
// the two kind attributes should not occur both in the same vcard
//'KIND' => 'kind', // VCard v4
'X-ADDRESSBOOKSERVER-KIND' => 'kind', // Apple Addressbook extension
),
'multi' => array(
'EMAIL' => 'email',
'TEL' => 'phone',
'URL' => 'website',
),
);
// array with list of potential date fields for formatting
private $datefields = array('birthday', 'anniversary');
public function __construct($dbid)
{{{
$dbh = rcmail::get_instance()->db;
$this->ready = $dbh && !$dbh->is_error();
$this->groups = true;
$this->readonly = false;
$this->id = $dbid;
$this->config = self::carddavconfig($dbid);
if ($this->config["needs_update"]){
$this->refreshdb_from_server();
}
$prefs = carddav_common::get_adminsettings();
if($this->config['presetname']) {
if($prefs[$this->config['presetname']]['readonly'])
$this->readonly = true;
}
if (isset($prefs['_GLOBAL']['sync_collection_workaround'])) {
$this->sync_collection_workaround =
$prefs['_GLOBAL']['sync_collection_workaround'];
}
$rc = rcmail::get_instance();
$this->coltypes = array( /* {{{ */
'name' => array('type' => 'text', 'size' => 40, 'maxlength' => 50, 'limit' => 1, 'label' => $rc->gettext('name'), 'category' => 'main'),
'firstname' => array('type' => 'text', 'size' => 19, 'maxlength' => 50, 'limit' => 1, 'label' => $rc->gettext('firstname'), 'category' => 'main'),
'surname' => array('type' => 'text', 'size' => 19, 'maxlength' => 50, 'limit' => 1, 'label' => $rc->gettext('surname'), 'category' => 'main'),
'email' => array('type' => 'text', 'size' => 40, 'maxlength' => 50, 'label' => $rc->gettext('email'), 'subtypes' => array('home','work','other','internet'), 'category' => 'main'),
'middlename' => array('type' => 'text', 'size' => 19, 'maxlength' => 50, 'limit' => 1, 'label' => $rc->gettext('middlename'), 'category' => 'main'),
'prefix' => array('type' => 'text', 'size' => 8, 'maxlength' => 20, 'limit' => 1, 'label' => $rc->gettext('nameprefix'), 'category' => 'main'),
'suffix' => array('type' => 'text', 'size' => 8, 'maxlength' => 20, 'limit' => 1, 'label' => $rc->gettext('namesuffix'), 'category' => 'main'),
'nickname' => array('type' => 'text', 'size' => 40, 'maxlength' => 50, 'limit' => 1, 'label' => $rc->gettext('nickname'), 'category' => 'main'),
'jobtitle' => array('type' => 'text', 'size' => 40, 'maxlength' => 50, 'limit' => 1, 'label' => $rc->gettext('jobtitle'), 'category' => 'main'),
'organization' => array('type' => 'text', 'size' => 40, 'maxlength' => 50, 'limit' => 1, 'label' => $rc->gettext('organization'), 'category' => 'main'),
'department' => array('type' => 'text', 'size' => 40, 'maxlength' => 50, 'label' => $rc->gettext('department'), 'category' => 'main'),
'gender' => array('type' => 'select', 'limit' => 1, 'label' => $rc->gettext('gender'), 'options' => array('male' => $rc->gettext('male'), 'female' => $rc->gettext('female')), 'category' => 'personal'),
'phone' => array('type' => 'text', 'size' => 40, 'maxlength' => 20, 'label' => $rc->gettext('phone'), 'subtypes' => array('home','home2','work','work2','mobile','cell','main','homefax','workfax','car','pager','video','assistant','other'), 'category' => 'main'),
'address' => array('type' => 'composite', 'label' => $rc->gettext('address'), 'subtypes' => array('home','work','other'), 'childs' => array(
'street' => array('type' => 'text', 'size' => 40, 'maxlength' => 50, 'label' => $rc->gettext('street'), 'category' => 'main'),
'locality' => array('type' => 'text', 'size' => 28, 'maxlength' => 50, 'label' => $rc->gettext('locality'), 'category' => 'main'),
'zipcode' => array('type' => 'text', 'size' => 8, 'maxlength' => 15, 'label' => $rc->gettext('zipcode'), 'category' => 'main'),
'region' => array('type' => 'text', 'size' => 12, 'maxlength' => 50, 'label' => $rc->gettext('region'), 'category' => 'main'),
'country' => array('type' => 'text', 'size' => 40, 'maxlength' => 50, 'label' => $rc->gettext('country'), 'category' => 'main'),), 'category' => 'main'),
'birthday' => array('type' => 'date', 'size' => 12, 'maxlength' => 16, 'label' => $rc->gettext('birthday'), 'limit' => 1, 'render_func' => 'rcmail_format_date_col', 'category' => 'personal'),
'anniversary' => array('type' => 'date', 'size' => 12, 'maxlength' => 16, 'label' => $rc->gettext('anniversary'), 'limit' => 1, 'render_func' => 'rcmail_format_date_col', 'category' => 'personal'),
'website' => array('type' => 'text', 'size' => 40, 'maxlength' => 50, 'label' => $rc->gettext('website'), 'subtypes' => array('homepage','work','blog','profile','other'), 'category' => 'main'),
'notes' => array('type' => 'textarea', 'size' => 40, 'rows' => 15, 'maxlength' => 500, 'label' => $rc->gettext('notes'), 'limit' => 1),
'photo' => array('type' => 'image', 'limit' => 1, 'category' => 'main'),
'assistant' => array('type' => 'text', 'size' => 40, 'maxlength' => 50, 'limit' => 1, 'label' => $rc->gettext('assistant'), 'category' => 'personal'),
'manager' => array('type' => 'text', 'size' => 40, 'maxlength' => 50, 'limit' => 1, 'label' => $rc->gettext('manager'), 'category' => 'personal'),
'spouse' => array('type' => 'text', 'size' => 40, 'maxlength' => 50, 'limit' => 1, 'label' => $rc->gettext('spouse'), 'category' => 'personal'),
// TODO: define fields for vcards like GEO, KEY
); /* }}} */
$this->addextrasubtypes();
}}}
/**
* Stores a custom label in the database (X-ABLabel extension).
*
* @param string Name of the type/category (phone,address,email)
* @param string Name of the custom label to store for the type
*/
private function storeextrasubtype($typename, $subtype)
{{{
$dbh = rcmail::get_instance()->db;
$sql_result = $dbh->query('INSERT INTO ' .
$dbh->table_name('carddav_xsubtypes') .
' (typename,subtype,abook_id) VALUES (?,?,?)',
$typename, $subtype, $this->id);
}}}
/**
* Adds known custom labels to the roundcube subtype list (X-ABLabel extension).
*
* Reads the previously seen custom labels from the database and adds them to the
* roundcube subtype list in #coltypes and additionally stores them in the #xlabels
* list.
*/
private function addextrasubtypes()
{{{
$this->xlabels = array();
foreach($this->coltypes as $k => $v) {
if(array_key_exists('subtypes', $v)) {
$this->xlabels[$k] = array();
} }
// read extra subtypes
$xtypes = self::get_dbrecord($this->id,'typename,subtype','xsubtypes',false,'abook_id');
foreach ($xtypes as $row) {
$this->coltypes[$row['typename']]['subtypes'][] = $row['subtype'];
$this->xlabels[$row['typename']][] = $row['subtype'];
}
}}}
/**
* Returns addressbook name (e.g. for addressbooks listing).
*
* @return string name of this addressbook
*/
public function get_name()
{{{
return $this->config['name'];
}}}
/**
* Save a search string for future listings.
*
* @param mixed Search params to use in listing method, obtained by get_search_set()
*/
public function set_search_set($filter)
{{{
$this->filter = $filter;
$this->total_cards = -1;
}}}
/**
* Getter for saved search properties
*
* @return mixed Search properties used by this class
*/
public function get_search_set()
{{{
return $this->filter;
}}}
/**
* Reset saved results and search parameters
*/
public function reset()
{{{
$this->result = null;
$this->filter = null;
$this->total_cards = -1;
}}}
/**
* Determines the name to be displayed for a contact. The routine
* distinguishes contact cards for individuals from organizations.
*/
private function set_displayname(&$save_data)
{{{
if(strcasecmp($save_data['showas'], 'COMPANY') == 0 && strlen($save_data['organization'])>0) {
$save_data['name'] = $save_data['organization'];
}
// we need a displayname; if we do not have one, try to make one up
if(strlen($save_data['name']) == 0) {
$dname = array();
if(strlen($save_data['firstname'])>0)
$dname[] = $save_data['firstname'];
if(strlen($save_data['surname'])>0)
$dname[] = $save_data['surname'];
if(count($dname) > 0) {
$save_data['name'] = implode(' ', $dname);
} else { // no name? try email and phone
$ep_keys = array_keys($save_data);
$ep_keys = preg_grep(";^(email|phone):;", $ep_keys);
sort($ep_keys, SORT_STRING);
foreach($ep_keys as $ep_key) {
$ep_vals = $save_data[$ep_key];
if(!is_array($ep_vals)) $ep_vals = array($ep_vals);
foreach($ep_vals as $ep_val) {
if(strlen($ep_val)>0) {
$save_data['name'] = $ep_val;
break 2;
}
}
}
}
// still no name? set to unknown and hope the user will fix it
if(strlen($save_data['name']) == 0)
$save_data['name'] = 'Unset Displayname';
}
}}}
/**
* Stores a group vcard in the database.
*
* @param string etag of the VCard in the given version on the CardDAV server
* @param string path to the VCard on the CardDAV server
* @param string string representation of the VCard
* @param array associative array containing at least name and cuid (card UID)
* @param int optionally, database id of the group if the store operation is an update
*
* @return int The database id of the created or updated card, false on error.
*/
private function dbstore_group($etag, $uri, $vcfstr, $save_data, $dbid=0)
{{{
return $this->dbstore_base('groups',$etag,$uri,$vcfstr,$save_data,$dbid);
}}}
private function dbstore_base($table, $etag, $uri, $vcfstr, $save_data, $dbid=0, $xcol=array(), $xval=array())
{{{
$dbh = rcmail::get_instance()->db;
// get rid of the %u placeholder in the URI, otherwise the refresh operation
// will not be able to match local cards with those provided by the server
$username = $this->config['username'];
if($username === "%u")
$username = $_SESSION['username'];
$uri = str_replace("%u", $username, $uri);
$xcol[]='name'; $xval[]=$save_data['name'];
$xcol[]='etag'; $xval[]=$etag;
$xcol[]='vcard'; $xval[]=$vcfstr;
if($dbid) {
self::$helper->debug("UPDATE card $uri");
$xval[]=$dbid;
$sql_result = $dbh->query('UPDATE ' .
$dbh->table_name("carddav_$table") .
' SET ' . implode('=?,', $xcol) . '=?' .
' WHERE id=?', $xval);
} else {
self::$helper->debug("INSERT card $uri");
if ("x".$save_data['cuid'] == "x"){
// There is no contact UID in the VCARD, try to create one
$cuid = $uri;
$cuid = preg_replace(';^.*/;', "", $cuid);
$cuid = preg_replace(';\.vcf$;', "", $cuid);
$save_data['cuid'] = $cuid;
}
$xcol[]='abook_id'; $xval[]=$this->id;
$xcol[]='uri'; $xval[]=$uri;
$xcol[]='cuid'; $xval[]=$save_data['cuid'];
$sql_result = $dbh->query('INSERT INTO ' .
$dbh->table_name("carddav_$table") .
' (' . implode(',',$xcol) . ') VALUES (?' . str_repeat(',?', count($xcol)-1) .')',
$xval);
$dbid = $dbh->insert_id("carddav_$table");
}
if($dbh->is_error()) {
self::$helper->warn($dbh->is_error());
$this->set_error(self::ERROR_SAVING, $dbh->is_error());
return false;
}
return $dbid;
}}}
/**
* Stores a contact to the local database.
*
* @param string etag of the VCard in the given version on the CardDAV server
* @param string path to the VCard on the CardDAV server
* @param string string representation of the VCard
* @param array associative array containing the roundcube save data for the contact
* @param int optionally, database id of the contact if the store operation is an update
*
* @return int The database id of the created or updated card, false on error.
*/
private function dbstore_contact($etag, $uri, $vcfstr, $save_data, $dbid=0)
{{{
$this->preprocess_rc_savedata($save_data);
// build email search string
$email_keys = preg_grep('/^email(:|$)/', array_keys($save_data));
$email_addrs = array();
foreach($email_keys as $email_key) {
$email_addrs = array_merge($email_addrs, (array) $save_data[$email_key]);
}
$save_data['email'] = implode(', ', $email_addrs);
// extra columns for the contacts table
$xcol_all=array('firstname','surname','organization','showas','email');
$xcol=array();
$xval=array();
foreach($xcol_all as $k) {
if(array_key_exists($k,$save_data)) {
$xcol[] = $k;
$xval[] = $save_data[$k];
} }
return $this->dbstore_base('contacts',$etag,$uri,$vcfstr,$save_data,$dbid,$xcol,$xval);
}}}
/**
* Checks if the given local card cache (for contacts or groups) contains
* a card with the given URI. If not, the function returns false.
* If yes, the card is marked seen in the cache, and the cached etag is
* compared with the given one. The function returns an associative array
* with the database id of the existing card (key dbid) and a boolean that
* indicates whether the card needs a server refresh as determined by the
* etag comparison (key needs_update).
*/
private static function checkcache(&$cache, $uri, $etag)
{{{
if(!array_key_exists($uri, $cache))
return false;
$cache[$uri]['seen'] = true;
$dbrec = $cache[$uri];
$dbid = $dbrec['id'];
$needsupd = true;
// abort if card has not changed
if($etag === $dbrec['etag']) {
self::$helper->debug("UNCHANGED card $uri");
$needsupd = false;
}
return array('needs_update'=>$needsupd, 'dbid'=>$dbid);
}}}
/**
* Synchronizes the local card store with the CardDAV server.
*/
private function refreshdb_from_server()
{{{
$dbh = rcmail::get_instance()->db;
$duration = time();
// determine existing local contact URIs and ETAGs
$contacts = self::get_dbrecord($this->id,'id,uri,etag','contacts',false,'abook_id');
foreach($contacts as $contact) {
$this->existing_card_cache[$contact['uri']] = $contact;
}
if(!$this->config['use_categories']) {
// determine existing local group URIs and ETAGs
$groups = self::get_dbrecord($this->id,'id,uri,etag','groups',false,'abook_id');
foreach($groups as $group) {
$this->existing_grpcard_cache[$group['uri']] = $group;
}
}
// used to record which users need to be added to which groups
$this->users_to_add = array();
// Check for supported-report-set and only use sync-collection if server advertises it.
// This suppresses 501 Not implemented errors with ownCloud.
$opts = array(
'method'=>"PROPFIND",
'header'=>array("Depth: 0", 'Content-Type: application/xml; charset="utf-8"'),
'content'=> <<<EOF
<?xml version="1.0" encoding="UTF-8" ?>
<propfind xmlns="DAV:"> <prop>
<supported-report-set/>
</prop> </propfind>
EOF
);
$reply = self::$helper->cdfopen($this->config['url'], $opts, $this->config);
$records = -1;
$xml = self::$helper->checkAndParseXML($reply);
if($xml !== false) {
$xpresult = $xml->xpath('//RCMCD:supported-report/RCMCD:report/RCMCD:sync-collection');
// To avoid sync-collection, we can simply skip the next line
// leaving $records = -1 which will trigger a call to
// list_records_propfind() below.
if(count($xpresult) > 0 && !$this->sync_collection_workaround) {
$records = $this->list_records_sync_collection();
}
}
// sync-collection not supported or returned error
if ($records < 0){
$records = $this->list_records_propfind();
}
foreach($this->users_to_add as $dbid => $cuids) {
if(count($cuids)<=0) continue;
$sql_result = $dbh->query('INSERT INTO '.
$dbh->table_name('carddav_group_user') .
' (group_id,contact_id) SELECT ?,id from ' .
$dbh->table_name('carddav_contacts') .
' WHERE abook_id=? AND cuid IN (' . implode(',', $cuids) . ')', $dbid, $this->id);
self::$helper->debug("Added " . $dbh->affected_rows($sql_result) . " contacts to group $dbid");
}
unset($this->users_to_add);
$this->existing_card_cache = array();
$this->existing_grpcard_cache = array();
// set last_updated timestamp
$dbh->query('UPDATE ' .
$dbh->table_name('carddav_addressbooks') .
' SET last_updated=' . $dbh->now() .' WHERE id=?',
$this->id);
$duration = time() - $duration;
self::$helper->debug("server refresh took $duration seconds");
if($records < 0) {
self::$helper->warn("Errors occurred during the refresh of addressbook " . $this->id);
}
}}}
/**
* List the current set of contact records
*
* @param array List of cols to show, Null means all
* @param int Only return this number of records, use negative values for tail
* @param boolean True to skip the count query (select only)
* @return array Indexed list of contact records, each a hash array
*/
public function list_records($cols=array(), $subset=0, $nocount=false)
{{{
// refresh from server if refresh interval passed
if ( $this->config['needs_update'] == 1 )
$this->refreshdb_from_server();
// XXX workaround for a roundcube bug to support roundcube's displayname setting
// Reported as Roundcube Ticket #1488394
if(count($cols)>0) {
if(!in_array('firstname', $cols)) {
$cols[] = 'firstname';
}
if(!in_array('surname', $cols)) {
$cols[] = 'surname';
}
}
// XXX workaround for a roundcube bug to support roundcube's displayname setting
// if the count is not requested we can save one query
if($nocount)
$this->result = new rcube_result_set();
else
$this->result = $this->count();
$records = $this->list_records_readdb($cols,$subset);
if($nocount) {
$this->result->count = $records;
} else if ($this->list_page <= 1) {
if ($records < $this->page_size && $subset == 0)
$this->result->count = $records;
else
$this->result->count = $this->_count($cols);
}
if ($records > 0){
return $this->result;
}
return false;
}}}
/**
* Retrieves the Card URIs from the CardDAV server
*
* @return int number of cards in collection, -1 on error
*/
private function list_records_sync_collection()
{{{
$sync_token = $this->config['sync_token'];
while(true) {
$opts = array(
'method'=>"REPORT",
'header'=>array("Depth: 0", 'Content-Type: application/xml; charset="utf-8"'),
'content'=> <<<EOF
<?xml version="1.0" encoding="utf-8" ?>
<D:sync-collection xmlns:D="DAV:" xmlns:C="urn:ietf:params:xml:ns:carddav">
<D:sync-token>$sync_token</D:sync-token>
<D:sync-level>1</D:sync-level>
<D:prop>
<D:getcontenttype/>
<D:getetag/>
</D:prop>
</D:sync-collection>
EOF
);
$reply = self::$helper->cdfopen($this->config['url'], $opts, $this->config);
$xml = self::$helper->checkAndParseXML($reply);
if($xml === false || (is_array($reply) && ($reply["status"] < 200 || $reply["status"] >= 300))) {
// a server may invalidate old sync-tokens, in which case we need to do a full resync
if (strlen($sync_token)>0 && ($reply == 412 || (is_array($reply) && $reply["status"] == 412))){
self::$helper->warn("Server reported invalid sync-token in sync of addressbook " . $this->config['abookid'] . ". Resorting to full resync.");
$sync_token = '';
continue;
} else {
$errorstatus = is_array($reply) ? $reply["status"] : $reply;
self::$helper->warn("An error (status " . $errorstatus . ") occured while retrieving the sync-token of addressbook " . $this->config['abookid'] . ". Sync-collection synchronization aborted. Will use propfind synchronization instead.");
return -1;
}
}
list($new_sync_token) = $xml->xpath('//RCMCD:sync-token');
$records = $this->addvcards($xml);
if(strlen($sync_token) == 0) {
if($records>=0) {
$this->delete_unseen();
}
} else {
$this->delete_synccoll($xml);
}
if($records >= 0) {
carddav::update_abook($this->config['abookid'], array('sync_token' => "$new_sync_token"));
// if we got a truncated result set continue sync
$xpresult = $xml->xpath('//RCMCD:response[contains(child::RCMCD:status, " 507 Insufficient Storage")]');
if(count($xpresult) > 0) {
$sync_token = "$new_sync_token";
continue;
}
}
break;
}
return $records;
}}}
private function list_records_readdb($cols, $subset=0, $count_only=false)
{{{
$dbh = rcmail::get_instance()->db;
// true if we can use DB filtering or no filtering is requested
$filter = $this->get_search_set();
$this->determine_filter_params($cols,$subset, $firstrow, $numrows, $read_vcard);
$dbattr = $read_vcard ? 'vcard' : 'firstname,surname,email';
$limit_index = $firstrow;
$limit_rows = $numrows;
$xfrom = '';
$xwhere = '';
if($this->group_id) {
$xfrom = ',' . $dbh->table_name('carddav_group_user');
$xwhere = ' AND id=contact_id AND group_id=' . $dbh->quote($this->group_id) . ' ';
}
if ($this->config['presetname']){
$prefs = carddav_common::get_adminsettings();
if (array_key_exists("require_always", $prefs[$this->config['presetname']])){
foreach ($prefs[$this->config['presetname']]["require_always"] as $col){
$xwhere .= " AND $col <> ".$dbh->quote('')." ";
}
}
}
// Workaround for Roundcube versions < 0.7.2
$sort_column = $this->sort_col ? $this->sort_col : 'surname';
$sort_order = $this->sort_order ? $this->sort_order : 'ASC';
$sql_result = $dbh->limitquery("SELECT id,name,$dbattr FROM " .
$dbh->table_name('carddav_contacts') . $xfrom .
' WHERE abook_id=? ' . $xwhere .
($this->filter ? " AND (".$this->filter.")" : "") .
" ORDER BY (CASE WHEN showas='COMPANY' THEN organization ELSE " . $sort_column . " END) "
. $sort_order,
$limit_index,
$limit_rows,
$this->id
);
$addresses = array();
while($contact = $dbh->fetch_assoc($sql_result)) {
if($read_vcard) {
$save_data = $this->create_save_data_from_vcard($contact['vcard']);
if (!$save_data){
self::$helper->warn("Couldn't parse vcard ".$contact['vcard']);
continue;
}
// needed by the calendar plugin
if(is_array($cols) && in_array('vcard', $cols)) {
$save_data['save_data']['vcard'] = $contact['vcard'];
}
$save_data = $save_data['save_data'];
} else {
$save_data = array();
foreach ($cols as $col) {
if(strcmp($col,'email')==0)
$save_data[$col] = preg_split('/,\s*/', $contact[$col]);
else
$save_data[$col] = $contact[$col];
}
}
$addresses[] = array('ID' => $contact['id'], 'name' => $contact['name'], 'save_data' => $save_data);
}
if(!$count_only) {
// create results for roundcube
foreach($addresses as $a) {
$a['save_data']['ID'] = $a['ID'];
$this->result->add($a['save_data']);
}
}
return count($addresses);
}}}
private function query_addressbook_multiget($hrefs)
{{{
$dbh = rcmail::get_instance()->db;
$hrefstr = '';
foreach ($hrefs as $href) {
$hrefstr .= "<D:href>$href</D:href>\n";
}
$optsREPORT = array(
'method'=>"REPORT",
'header'=>array("Depth: 0", 'Content-Type: application/xml; charset="utf-8"'),
'content'=> <<<EOF
<?xml version="1.0" encoding="utf-8" ?>
<C:addressbook-multiget xmlns:D="DAV:" xmlns:C="urn:ietf:params:xml:ns:carddav">
<D:prop>
<D:getetag/>
<C:address-data>
<C:allprop/>
</C:address-data>
</D:prop>
$hrefstr
</C:addressbook-multiget>
EOF
);
$reply = self::$helper->cdfopen($this->config['url'], $optsREPORT, $this->config);
$xml = self::$helper->checkAndParseXML($reply);
if($xml === false || (is_array($reply) && ($reply["status"] < 200 || $reply["status"] >= 300))) {
$errorstatus = is_array($reply) ? $reply["status"] : $reply;
rcmail::write_log("carddav", "An error (status " . $errorstatus . ") occured while retrieving vcards for addressbook " . $this->config['abookid'] . ". Synchronization aborted.");
return -1;
}
$xpresult = $xml->xpath('//RCMCD:response[descendant::RCMCC:address-data]');
$numcards = 0;
foreach ($xpresult as $vcard) {
self::$helper->registerNamespaces($vcard);
list($href) = $vcard->xpath('child::RCMCD:href');
list($etag) = $vcard->xpath('descendant::RCMCD:getetag');
list($vcf) = $vcard->xpath('descendant::RCMCC:address-data');
// determine database ID of existing cards by checking the cache
$dbid = 0;
if( ($ret = self::checkcache($this->existing_card_cache,"$href","$etag"))
|| ($ret = self::checkcache($this->existing_grpcard_cache,"$href","$etag")) ) {
$dbid = $ret['dbid'];
}
// changed on server, parse VCF
$save_data = $this->create_save_data_from_vcard("$vcf");
$vcfobj = $save_data['vcf'];
if($save_data['needs_update'])
$vcf = $vcfobj->serialize();
$save_data = $save_data['save_data'];
if($save_data['kind'] === 'group') {
if(!$this->config['use_categories']) {
self::$helper->debug('Processing Group ' . $save_data['name']);
// delete current group members (will be reinserted if needed below)
if($dbid) self::delete_dbrecord($dbid,'group_user','group_id');
// store group card
if(!($dbid = $this->dbstore_group("$etag","$href","$vcf",$save_data,$dbid)))
return -1;
// record group members for deferred store
$this->users_to_add[$dbid] = array();
$members = $vcfobj->{'X-ADDRESSBOOKSERVER-MEMBER'};
if ($members === null) {
$members = array();
}
self::$helper->debug("Group $dbid has " . count($members) . " members");
foreach($members as $mbr) {
$mbr = preg_split('/:/', $mbr);
if(!$mbr) continue;
if(count($mbr)!=3 || $mbr[0] !== 'urn' || $mbr[1] !== 'uuid') {
self::$helper->warn("don't know how to interpret group membership: " . implode(':', $mbr));
continue;
}
$this->users_to_add[$dbid][] = $dbh->quote($mbr[2]);
}
}
} else { // individual/other
if (trim($save_data['name']) == '') { // roundcube display fix for contacts that don't have first/last names
if ($save_data['nickname'] !== NULL && trim($save_data['nickname'] !== '')) {
$save_data['name'] = $save_data['nickname'];
} else {
foreach ($save_data as $key=>$val) {
if (strpos($key,'email') !== false) {
$save_data['name'] = $val[0];
break;
}
}
}
}
if($this->config['use_categories']) {
// delete current member from groups (will be reinserted if needed below)
self::delete_dbrecord($dbid,'group_user','contact_id');
foreach ($this->getCategories($vcfobj) as $category) {
if($category !== "All" && $category !== "Unfiled") {
$record = self::get_dbrecord($category, 'id', 'groups', true, 'name', array('abook_id' => $this->config['abookid']));
if(!$record) {
$cuid = $this->find_free_uid();
$uri = "$cuid.vcf";
$gsave_data = array(
'name' => $category,
'kind' => 'group',
'cuid' => $cuid,
);
$url = carddav_common::concaturl($this->config['url'], $uri);
$url = preg_replace(';https?://[^/]+;', '', $url);
// store group card
$vcfg = $this->create_vcard_from_save_data($gsave_data);
$vcfgstr = $vcfg->serialize();
if(!($database = $this->dbstore_group("dummy",$url,$vcfgstr,$gsave_data)))
return -1;
} else {
$database = $record['id'];
}
if(!isset($this->users_to_add[$database])) {
$this->users_to_add[$database] = array();
}
$uid = $save_data['cuid'];
$this->users_to_add[$database][] = $dbh->quote($uid);
}
}
}
if(!$this->dbstore_contact("$etag","$href","$vcf",$save_data,$dbid))
return -1;
}
$numcards++;
}
return $numcards;
}}}
private function list_records_propfind()
{{{
$opts = array(
'method'=>"PROPFIND",
'header'=>array("Depth: 1", 'Content-Type: application/xml; charset="utf-8"'),
'content'=> <<<EOF
<?xml version="1.0" encoding="utf-8" ?>
<a:propfind xmlns:a="DAV:"> <a:prop>
<a:getcontenttype/>
<a:getetag/>
</a:prop> </a:propfind>
EOF
);
$reply = self::$helper->cdfopen("", $opts, $this->config);
$xml = self::$helper->checkAndParseXML($reply);
if($xml === false || (is_array($reply) && ($reply["status"] < 200 || $reply["status"] >= 300))) {
$errorstatus = is_array($reply) ? $reply["status"] : $reply;
rcmail::write_log("carddav", "An error (status " . $errorstatus . ") occured while retrieving the vcard list for addressbook " . $this->config['abookid'] . ". Synchronization aborted.");
return -1;
}
$records = $this->addvcards($xml);
if($records>=0) {
$this->delete_unseen();
}
return $records;
}}}
private function addvcards($xml)
{{{
$records = 0;
$urls = array();
$xpresult = $xml->xpath('//RCMCD:response[starts-with(translate(child::RCMCD:propstat/RCMCD:status, "ABCDEFGHJIKLMNOPQRSTUVWXYZ", "abcdefghjiklmnopqrstuvwxyz"), "http/1.1 200 ") and child::RCMCD:propstat/RCMCD:prop/RCMCD:getetag]');
foreach ($xpresult as $r) {
self::$helper->registerNamespaces($r);
list($href) = $r->xpath('child::RCMCD:href');
if(preg_match('/\/$/', $href)) continue;
list($etag) = $r->xpath('descendant::RCMCD:getetag');
$ret = self::checkcache($this->existing_card_cache,"$href","$etag");
$retgrp = self::checkcache($this->existing_grpcard_cache,"$href","$etag");
if( ($ret===false && $retgrp===false)
|| (is_array($ret) && $ret['needs_update'])
|| (is_array($retgrp) && $retgrp['needs_update']) )
{
$urls[] = "$href";
}
}
if (count($urls) > 0) {
$records = $this->query_addressbook_multiget($urls);
}
return $records;
}}}
/** delete cards not present on the server anymore */
private function delete_unseen()
{{{
$delids = array();
foreach($this->existing_card_cache as $value) {
if(!array_key_exists('seen', $value) || !$value['seen']) {
$delids[] = $value['id'];
}
}
$del = self::delete_dbrecord($delids);
self::$helper->debug("deleted $del contacts during server refresh");
$delids = array();
foreach($this->existing_grpcard_cache as $value) {
if(!array_key_exists('seen', $value) || !$value['seen']) {
$delids[] = $value['id'];
}
}
$del = self::delete_dbrecord($delids,'groups');
self::$helper->debug("deleted $del groups during server refresh");
}}}
/** delete cards reported deleted by the server */
private function delete_synccoll($xml)
{{{
$xpresult = $xml->xpath('//RCMCD:response[contains(child::RCMCD:status, " 404 Not Found")]');
$del_contacts = array();
$del_groups = array();
foreach ($xpresult as $r) {
self::$helper->registerNamespaces($r);
list($href) = $r->xpath('child::RCMCD:href');
if(preg_match('/\/$/', $href)) continue;
if(isset($this->existing_card_cache["$href"])) {
$del_contacts[] = $this->existing_card_cache["$href"]['id'];
} else if(isset($this->existing_grpcard_cache["$href"])) {
$del_groups[] = $this->existing_grpcard_cache["$href"]['id'];
}
}
$del = self::delete_dbrecord($del_contacts);
self::$helper->debug("deleted $del contacts during incremental server refresh");
$del = self::delete_dbrecord($del_groups,'groups');
self::$helper->debug("deleted $del groups during incremental server refresh");
}}}
/**
* Search contacts
*
* @param mixed $fields The field name of array of field names to search in
* @param mixed $value Search value (or array of values when $fields is array)
* @param int $mode Matching mode:
* 0 - partial (*abc*),
* 1 - strict (=),
* 2 - prefix (abc*)
* @param boolean $select True if results are requested, False if count only
* @param boolean $nocount True to skip the count query (select only)
* @param array $required List of fields that cannot be empty
*
* @return object rcube_result_set Contact records and 'count' value
*/
function search($fields, $value, $mode=0, $select=true, $nocount=false, $required=array())
{{{
$dbh = rcmail::get_instance()->db;
if (!is_array($fields))
$fields = array($fields);
if (!is_array($required) && !empty($required))
$required = array($required);
$where = $and_where = array();
$mode = intval($mode);
$WS = ' ';
$AS = self::SEPARATOR;
// build the $where array; each of its entries is an SQL search condition
foreach ($fields as $idx => $col) {
// direct ID search
if ($col == 'ID' || $col == $this->primary_key) {
$ids = !is_array($value) ? explode(self::SEPARATOR, $value) : $value;
$ids = $dbh->array2list($ids, 'integer');
$where[] = $this->primary_key.' IN ('.$ids.')';
continue;
}
$val = is_array($value) ? $value[$idx] : $value;
// table column
if (in_array($col, $this->table_cols)) {
if ($mode & 1) {
// strict
$where[] =
// exact match '[email protected]'
'(' . $dbh->ilike($col, $val)
// line beginning match '[email protected],%'
. ' OR ' . $dbh->ilike($col, $val . $AS . '%')
// middle match '%, [email protected],%'
. ' OR ' . $dbh->ilike($col, '%' . $AS . $WS . $val . $AS . '%')
// line end match '%, [email protected]'
. ' OR ' . $dbh->ilike($col, '%' . $AS . $WS . $val) . ')';
} elseif ($mode & 2) {