* @author Joerg Lehrke * @copyright (c) 2005-16 by RalfBecker-At-outdoor-training.de * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License * @version $Id$ */ use EGroupware\Api; use EGroupware\Api\Acl; use EGroupware\Api\Link; // types of messsages send by calendar_boupdate::send_update define('MSG_DELETED',0); define('MSG_MODIFIED',1); define('MSG_ADDED',2); define('MSG_REJECTED',3); define('MSG_TENTATIVE',4); define('MSG_ACCEPTED',5); define('MSG_ALARM',6); define('MSG_DISINVITE',7); define('MSG_DELEGATED',8); define('MSG_REQUEST',9); /** * Class to access AND manipulate all calendar data (business object) * * The new UI, BO and SO classes have a strikt definition, in which time-zone they operate: * UI only operates in user-time, so there have to be no conversation at all !!! * BO's functions take and return user-time only (!), they convert internaly everything to servertime, because * SO operates only on server-time * * As this BO class deals with dates/times of several types and timezone, each variable should have a postfix * appended, telling with type it is: _s = seconds, _su = secs in user-time, _ss = secs in server-time, _h = hours * * All new BO code (should be true for eGW in general) NEVER use any $_REQUEST ($_POST or $_GET) vars itself. * Nor does it store the state of any UI-elements (eg. cat-id selectbox). All this is the task of the UI class(es) !!! * * All permanent debug messages of the calendar-code should done via the debug-message method of the bocal class !!! */ class calendar_boupdate extends calendar_bo { /** * Category ACL allowing to add a given category */ const CAT_ACL_ADD = 512; /** * Category ACL allowing to change status of a participant */ const CAT_ACL_STATUS = 1024; /** * name of method to debug or level of debug-messages: * False=Off as higher as more messages you get ;-) * 1 = function-calls incl. parameters to general functions like search, read, write, delete * 2 = function-calls to exported helper-functions like check_perms * 4 = function-calls to exported conversation-functions like date2ts, date2array, ... * 5 = function-calls to private functions * @var mixed */ var $debug; /** * Set Logging * * @var boolean */ var $log = false; var $logfile = '/tmp/log-calendar-boupdate'; /** * Cached timezone data * * @var array id => data */ protected static $tz_cache = array(); /** * Constructor */ function __construct() { if ($this->debug > 0) $this->debug_message('calendar_boupdate::__construct() started',True); parent::__construct(); // calling the parent constructor if ($this->debug > 0) $this->debug_message('calendar_boupdate::__construct() finished',True); } /** * updates or creates an event, it (optionally) checks for conflicts and sends the necessary notifications * * @param array &$event event-array, on return some values might be changed due to set defaults * @param boolean $ignore_conflicts =false just ignore conflicts or do a conflict check and return the conflicting events * @param boolean $touch_modified =true NOT USED ANYMORE (was only used in old csv-import), modified&modifier is always updated! * @param boolean $ignore_acl =false should we ignore the acl * @param boolean $updateTS =true update the content history of the event (ignored, as updating timestamps is required for sync!) * @param array &$messages=null messages about because of missing ACL removed participants or categories * @param boolean|"NOPUSH" $skip_notification =false true: send NO notifications, default false = send them, * "NOPUSH": also do NOT send push notifications / call Link::notifiy(), which still happens for true * @return mixed on success: int $cal_id > 0, on error false or array with conflicting events (only if $check_conflicts) * Please note: the events are not guarantied to be readable by the user (no read grant or private)! * * @ToDo current conflict checking code does NOT cope quantity-wise correct with multiple non-overlapping * events overlapping the event to store: the quantity sum is used, even as the events dont overlap! * * ++++++++ ++++++++ * + + + B + If A get checked for conflicts, the check used for resource quantity is * + + ++++++++ * + A + quantity(A,resource)+quantity(B,resource)+quantity(C,resource) > maxBookable(resource) * + + ++++++++ * + + + C + which is clearly wrong for everything with a maximum quantity > 1 * ++++++++ ++++++++ */ function update(&$event,$ignore_conflicts=false,$touch_modified=true,$ignore_acl=false,$updateTS=true,&$messages=null, $skip_notification=false) { $update_type = 'edit'; unset($updateTS); // ignored, as updating timestamps is required for sync! //error_log(__METHOD__."(".array2string($event).",$ignore_conflicts,$touch_modified,$ignore_acl)"); if (!is_array($messages)) $messages = $messages ? (array)$messages : array(); if ($this->debug > 1 || $this->debug == 'update') { $this->debug_message('calendar_boupdate::update(%1,ignore_conflict=%2,touch_modified=%3,ignore_acl=%4)', false,$event,$ignore_conflicts,$touch_modified,$ignore_acl); } // check some minimum requirements: // - new events need start, end and title // - updated events cant set start, end or title to empty if (empty($event['id']) && (!$event['start'] || !$event['end'] || !$event['title']) || !empty($event['id']) && (isset($event['start']) && !$event['start'] || isset($event['end']) && !$event['end'] || isset($event['title']) && !$event['title'])) { $messages[] = lang('Required information (start, end, title, ...) missing!'); return false; } $status_reset_to_unknown = false; if (($new_event = empty($event['id']))) // some defaults for new entries { // if no owner given, set user to owner if (!$event['owner']) $event['owner'] = $this->user; // set owner as participant if none is given if (!is_array($event['participants']) || !count($event['participants'])) { $status = calendar_so::combine_status($event['owner'] == $this->user ? 'A' : 'U', 1, 'CHAIR'); $event['participants'] = array($event['owner'] => $status); } $update_type = 'add'; } // check if user has the permission to update / create the event if (!$ignore_acl && (!$new_event && !$this->check_perms(Acl::EDIT,$event['id']) || $new_event && !$this->check_perms(Acl::EDIT,0,$event['owner'])) && !$this->check_perms(Acl::ADD,0,$event['owner'])) { $messages[] = lang('Access to calendar of %1 denied!',Api\Accounts::username($event['owner'])); return false; } if ($new_event) { $old_event = array(); } else { $old_event = $this->read((int)$event['id'],null,$ignore_acl); } // do we need to check, if user is allowed to invite the invited participants if ($this->require_acl_invite && ($removed = $this->remove_no_acl_invite($event,$old_event))) { // report removed participants back to user foreach($removed as $key => $account_id) { $removed[$key] = $this->participant_name($account_id); } $messages[] = lang('%1 participants removed because of missing invite grants',count($removed)). ': '.implode(', ',$removed); } // check category based ACL if (!empty($event['category'])) { if (!is_array($event['category'])) $event['category'] = explode(',',$event['category']); if (!$old_event || !isset($old_event['category'])) { $old_event['category'] = array(); } elseif (!is_array($old_event['category'])) { $old_event['category'] = explode(',', $old_event['category']); } foreach($event['category'] as $key => $cat_id) { // check if user is allowed to update event categories if ((!$old_event || !in_array($cat_id,$old_event['category'])) && self::has_cat_right(self::CAT_ACL_ADD,$cat_id,$this->user) === false) { unset($event['category'][$key]); // report removed category to user $removed_cats[$cat_id] = $this->categories->id2name($cat_id); continue; // no further check, as cat was removed } // for new or moved events check status of participants, if no category status right --> set all status to 'U' = unknown if (!$status_reset_to_unknown && self::has_cat_right(self::CAT_ACL_STATUS,$cat_id,$this->user) === false && (!$old_event || $old_event['start'] != $event['start'] || $old_event['end'] != $event['end'])) { foreach((array)$event['participants'] as $uid => $status) { $q = $r = null; calendar_so::split_status($status,$q,$r); if ($status != 'U') { $event['participants'][$uid] = calendar_so::combine_status('U',$q,$r); // todo: report reset status to user } } $status_reset_to_unknown = true; // once is enough } } if ($removed_cats) { $messages[] = lang('Category %1 removed because of missing rights',implode(', ',$removed_cats)); } if ($status_reset_to_unknown) { $messages[] = lang('Status of participants set to unknown because of missing category rights'); } } // generate a video-room-url, if we need one and not already have one if (!empty($event['videoconference']) && empty($event['##videoconference']) && !calendar_hooks::isVideoconferenceDisabled()) { $event['##videoconference'] = EGroupware\Status\Videoconference\Call::genUniqueRoomID(); } elseif (isset($event['videoconference']) && !$event['videoconference']) { $event['##videoconference'] = ''; } // update videoconference resource amounts based on number of participants if (!empty($event['videoconference']) && !empty($event['##videoconference']) && !calendar_hooks::isVideoconferenceDisabled() && ($videoconferenceResId = \EGroupware\Status\Hooks::getVideoconferenceResourceId())) { $participant_total = 0; foreach(['u','e','c'] as $p_type) { if(is_array($event['participant_types'][$p_type])) { $participant_total += count($event['participant_types'][$p_type]); } } $event['participant_types']['r'][$videoconferenceResId] = $event['participants']['r'.$videoconferenceResId] = 'A'.$participant_total; } // check for conflicts only happens !$ignore_conflicts AND if start + end date are given $checked_excluding = null; if (!$ignore_conflicts && !$event['non_blocking'] && isset($event['start']) && isset($event['end']) && (($conflicts = $this->conflicts($event, $checked_excluding)) || $checked_excluding)) { if ($checked_excluding) // warn user if not all recurrences have been checked { $conflicts['warning'] = array( 'start' => $checked_excluding, 'title' => lang('Only recurrences until %1 (excluding) have been checked!', $checked_excluding->format(true)), ); } return $conflicts; } //echo "saving $event[id]="; _debug_array($event); $event2save = $event; if (!($cal_id = $this->save($event, $ignore_acl))) { return $cal_id; } // we re-read the event, in case only partial information was update and we need the full info for the notifies // The check for new private events is to at least show the private version, // otherwise we get FALSE $event = $this->read($cal_id, null, $ignore_acl, 'ts', $new_event && !$event['public'] ? $this->user : null); //error_log("new $cal_id=". array2string($event)); if(!empty($old_event['deleted']) && !isset($event['deleted'])) { // Restored, bring back links Link::restore('calendar', $cal_id); $update_type = 'add'; } if (!empty($this->log_file)) { $this->log2file($event2save,$event,$old_event); } // send notifications if the event is in the future if(!$skip_notification && $this->eventInFuture($event)) { if ($new_event) { $this->send_update(MSG_ADDED,$event['participants'],null, $event); } else // update existing event { $this->check4update($event,$old_event); } } // notify the link-class about the update, as other apps may be subscribed to it if ($skip_notification !== "NOPUSH") { Link::notify_update('calendar', $cal_id, $event, $update_type); } return $cal_id; } /** * Check given event for conflicts and return them * * For recurring events we check a configurable fixed number of recurrences * and for a fixed maximum time (default 3s). * * Conflict check skips past events/recurrences and is always limited by recurrence horizont, * as it would only report non-recurring events after. * * @param array $event * @param Api\DateTime& $checked_excluding =null time until which (excluding) recurrences have been checked * @return array or events */ function conflicts(array $event, &$checked_excluding=null) { $types_with_quantity = array(); foreach($this->resources as $type => $data) { if ($data['max_quantity']) $types_with_quantity[] = $type; } // get all NOT rejected participants and evtl. their quantity $quantity = $users = array(); foreach($event['participants'] as $uid => $status) { $q = $role = null; calendar_so::split_status($status, $q, $role); if ($status == 'R' || $role == 'NON-PARTICIPANT') continue; // ignore rejected or non-participants if ($uid < 0) // group, check it's members too { $users = array_unique(array_merge($users, (array)$GLOBALS['egw']->accounts->members($uid,true))); } $users[] = $uid; if (in_array($uid[0],$types_with_quantity)) { $quantity[$uid] = $q; } } $max_quantity = $possible_quantity_conflicts = $conflicts = array(); if ($event['recur_type']) { $recurences = calendar_rrule::event2rrule($event); } else { $recurences = array(new Api\DateTime((int)$event['start'])); } $checked_excluding = null; $max_checked = $GLOBALS['egw_info']['server']['conflict_max_checked']; if (($max_check_time = (float)$GLOBALS['egw_info']['server']['conflict_max_check_time']) < 1.0) { $max_check_time = 3.0; } $checked = 0; $start = microtime(true); $duration = Api\DateTime::to($event['end'], 'ts') - Api\DateTime::to($event['start'], 'ts'); foreach($recurences as $date) { $startts = $date->format('ts'); // skip past events or recurrences if ($startts+$duration < $this->now_su) continue; // abort check if configured limits are exceeded if ($event['recur_type'] && (++$checked > $max_checked && $max_checked > 0 || // maximum number of checked recurrences exceeded microtime(true) > $start+$max_check_time || // max check time exceeded $startts > $this->config['horizont'])) // we are behind horizon for which recurrences are rendered { if ($this->debug > 2 || $this->debug == 'conflicts') { $this->debug_message(__METHOD__.'() conflict check limited to %1 recurrences, %2 seconds, until (excluding) %3', $checked, microtime(true)-$start, $date); } $checked_excluding = $date; break; } $overlapping_events =& $this->search(array( 'start' => $startts, 'end' => $startts+$duration, 'users' => $users, 'ignore_acl' => true, // otherwise we get only events readable by the user 'enum_groups' => true, // otherwise group-events would not block time 'query' => array( 'cal_non_blocking' => 0, ), 'no_integration' => true, // do NOT use integration of other apps )); if ($this->debug > 2 || $this->debug == 'conflicts') { $this->debug_message(__METHOD__.'() checking for potential overlapping events for users %1 from %2 to %3',false,$users,$startts,$startts+$duration); } foreach((array) $overlapping_events as $k => $overlap) { if ($overlap['id'] == $event['id'] || // that's the event itself $overlap['id'] == $event['reference'] || // event is an exception of overlap $overlap['non_blocking']) // that's a non_blocking event { continue; } if ($this->debug > 3 || $this->debug == 'conflicts') { $this->debug_message(__METHOD__.'() checking overlapping event %1',false,$overlap); } // check if the overlap is with a rejected participant or within the allowed quantity $common_parts = array_intersect($users,array_keys($overlap['participants'])); foreach($common_parts as $n => $uid) { $status = $overlap['participants'][$uid]; calendar_so::split_status($status, $q, $role); if ($status == 'R' || $role == 'NON-PARTICIPANT') { unset($common_parts[$n]); continue; } if (is_numeric($uid) || !in_array($uid[0],$types_with_quantity)) { continue; // no quantity check: quantity allways 1 ==> conflict } if (!isset($max_quantity[$uid])) { $res_info = $this->resource_info($uid); $max_quantity[$uid] = $res_info[$this->resources[$uid[0]]['max_quantity']]; } $quantity[$uid] += $q; if ($quantity[$uid] <= $max_quantity[$uid]) { $possible_quantity_conflicts[$uid][] =& $overlapping_events[$k]; // an other event can give the conflict unset($common_parts[$n]); continue; } // now we have a quantity conflict for $uid } if (count($common_parts)) { if ($this->debug > 3 || $this->debug == 'conflicts') { $this->debug_message(__METHOD__.'() conflicts with the following participants found %1',false,$common_parts); } $conflicts[$overlap['id'].'-'.$this->date2ts($overlap['start'])] =& $overlapping_events[$k]; } } } //error_log(__METHOD__."() conflict check took ".number_format(microtime(true)-$start, 3).'s'); // check if we are withing the allowed quantity and if not add all events using that resource // seems this function is doing very strange things, it gives empty conflicts foreach($max_quantity as $uid => $max) { if ($quantity[$uid] > $max) { foreach((array)$possible_quantity_conflicts[$uid] as $conflict) { $conflicts[$conflict['id'].'-'.$this->date2ts($conflict['start'])] =& $possible_quantity_conflicts[$k]; } } } unset($possible_quantity_conflicts); if (count($conflicts)) { foreach($conflicts as $key => $conflict) { $conflict['participants'] = array_intersect_key((array)$conflict['participants'],$event['participants']); if (!$this->check_perms(Acl::READ,$conflict)) { $conflicts[$key] = array( 'id' => $conflict['id'], 'title' => lang('busy'), 'participants' => $conflict['participants'], 'start' => $conflict['start'], 'end' => $conflict['end'], ); } } if ($this->debug > 2 || $this->debug == 'conflicts') { $this->debug_message(__METHOD__.'() %1 conflicts found %2',false,count($conflicts),$conflicts); } } return $conflicts; } /** * Remove participants current user has no right to invite * * @param array &$event new event * @param array $old_event =null old event with already invited participants * @return array removed participants because of missing invite grants */ public function remove_no_acl_invite(array &$event,array $old_event=null) { if (!$this->require_acl_invite) { return array(); // nothing to check, everyone can invite everyone else } if ($event['id'] && is_null($old_event)) { $old_event = $this->read($event['id']); } $removed = array(); foreach(array_keys((array)$event['participants']) as $uid) { if ((is_null($old_event) || !isset($old_event['participants'][$uid])) && !$this->check_acl_invite($uid)) { unset($event['participants'][$uid]); // remove participant $removed[] = $uid; } } //echo "

".__METHOD__."($event[title],".($old_event?'$old_event':'NULL').") returning ".array2string($removed)."

"; return $removed; } /** * Check if current user is allowed to invite a given participant * * @param int|string $uid * @return boolean */ public function check_acl_invite($uid) { if (!is_numeric($uid) && $this->resources[$uid[0]]['check_invite']) { // Resource specific ACL check return call_user_func($this->resources[$uid[0]]['check_invite'], $uid); } elseif (!$this->require_acl_invite) { $ret = true; // no grant required } elseif ($this->require_acl_invite == 'groups' && $GLOBALS['egw']->accounts->get_type($uid) != 'g') { $ret = true; // grant only required for groups } else { $ret = $this->check_perms(self::ACL_INVITE,0,$uid); } //error_log(__METHOD__."($uid) = ".array2string($ret)); //echo "

".__METHOD__."($uid) require_acl_invite=$this->require_acl_invite returning ".array2string($ret)."

\n"; return $ret; } /** * Check for added, modified or deleted participants AND notify them * * @param array $new_event the updated event * @param array $old_event the event before the update */ function check4update($new_event,$old_event) { //error_log(__METHOD__."($new_event[title])"); $modified = $added = $deleted = array(); //echo "

calendar_boupdate::check4update() new participants = ".print_r($new_event['participants'],true).", old participants =".print_r($old_event['participants'],true)."

\n"; foreach(['start','end','tz_id','owner','category','priority','public','title','description','location', 'recur_exception','recur_rdates', 'recur_enddate'] as $field) { if($new_event[$field] !== $old_event[$field]) { $modified = $new_event['participants']; break; } } // Find modified and deleted participants ... foreach ((array)$old_event['participants'] as $old_userid => $old_status) { if (isset($new_event['participants'][$old_userid]) && $old_status !== $new_event['participants'][$old_userid]) { $modified[$old_userid] = $new_event['participants'][$old_userid]; } else if (!isset($new_event['participants'][$old_userid])) { $deleted[$old_userid] = $old_status; } } // Find new participants ... foreach(array_keys((array)$new_event['participants']) as $new_userid) { if(!isset($old_event['participants'][$new_userid])) { $added[$new_userid] = 'U'; } } //echo "

calendar_boupdate::check4update() added=".print_r($added,true).", modified=".print_r($modified,true).", deleted=".print_r($deleted,true)."

\n"; if(count($added) || count($modified) || count($deleted)) { if(count($added)) { $this->send_update(MSG_ADDED,$added,$old_event,$new_event); } if(count($modified)) { $this->send_update(MSG_MODIFIED,$modified,$old_event,$new_event); } if(count($deleted)) { $this->send_update(MSG_DISINVITE,$deleted,$new_event); } } } /** * checks if $userid has requested (in $part_prefs) updates for $msg_type * * @param int $userid numerical user-id * @param array $part_prefs preferences of the user $userid * @param int &$msg_type type of the notification: MSG_ADDED, MSG_MODIFIED, MSG_ACCEPTED, ... * @param array $old_event Event before the change * @param array $new_event Event after the change * @param string $role we treat CHAIR like event owners * @param string $status of current user * @return boolean true = update requested, false otherwise */ public function update_requested($userid, $part_prefs, &$msg_type, $old_event ,$new_event, $role, $status=null) { if ($msg_type == MSG_ALARM) { return True; // always True for now } $want_update = 0; // the following switch falls through all cases, as each included the following too // $msg_is_response = $msg_type == MSG_REJECTED || $msg_type == MSG_ACCEPTED || $msg_type == MSG_TENTATIVE || $msg_type == MSG_DELEGATED; // Check if user is not participating, and does not want notifications if ($msg_is_response && is_array($old_event) && empty($part_prefs['calendar']['receive_not_participating']) && // userid is the email address for non-user and NOT necessary the uid used as key in participants ("rb@egroupware.org" vs "eRalf Becker ") !in_array(is_numeric($userid) ? $userid : strtolower($userid), array_map(function($uid) { return is_numeric($uid) ? $uid : strtolower($this->resource_info($uid)['email'] ?? ''); }, array_keys($old_event['participants'])), false)) { error_log(__METHOD__."(userid=$userid, receive_not_participating='{$part_prefs['calendar']['receive_not_participating']}', msg_type=$msg_type, {participants: ".json_encode($old_event['participants']).", ...}, role='$role') msg_is_response=$msg_is_response --> user $userid is NOT participating"); return false; } // always notify externals chairs // EGroupware owner only get notified about responses, if pref is NOT "no" if (!is_numeric($userid) && $role == 'CHAIR' && ($msg_is_response || in_array($msg_type, array(MSG_ADDED, MSG_DELETED)))) { switch($msg_type) { case MSG_DELETED: // treat deleting event as rejection to organizer $msg_type = MSG_REJECTED; break; case MSG_ADDED: // new events use added, but organizer needs status switch($status[0]) { case 'A': $msg_type = MSG_ACCEPTED; break; case 'R': $msg_type = MSG_REJECTED; break; case 'T': $msg_type = MSG_TENTATIVE; break; case 'D': $msg_type = MSG_DELEGATED; break; } break; } ++$want_update; } else { switch($ru = $part_prefs['calendar']['receive_updates']) { case 'responses': ++$want_update; case 'modifications': if (!$msg_is_response) { ++$want_update; } case 'time_change_4h': case 'time_change': default: if (is_array($new_event) && is_array($old_event)) { $diff = max(abs(self::date2ts($old_event['start']??null)-self::date2ts($new_event['start']??null)), abs(self::date2ts($old_event['end']??null)-self::date2ts($new_event['end']??null))); $check = $ru == 'time_change_4h' ? 4 * 60 * 60 - 1 : 0; if ($msg_type == MSG_MODIFIED && ($diff > $check || // also notify if recurrences where added or removed $old_event['recur_exception'] != $new_event['recur_exception'] || $old_event['recur_rdates'] != $new_event['recur_rdates'] || $old_event['recur_enddate'] != $new_event['recur_enddate'])) { ++$want_update; } } case 'add_cancel': if ($msg_is_response && is_array($old_event) && (isset($old_event['owner']) && $old_event['owner'] == $userid || $role == 'CHAIR') || $msg_type == MSG_DELETED || $msg_type == MSG_ADDED || $msg_type == MSG_DISINVITE) { ++$want_update; } break; case 'no': break; } } //error_log(__METHOD__."(userid=$userid, receive_updates='$ru', msg_type=$msg_type, ".json_encode($old_event).", ..., role='$role') msg_is_response=$msg_is_response --> want_update=$want_update"); return $want_update > 0; } /** * Check calendar prefs, if a given user (integer account_id) or email (user or externals) should get notified * * @param int|string $user_or_email * @param string $ical_method ='REQUEST' * @param string $role ='REQ-PARTICIPANT' * @param string $notify_externals =null event-specific overwrite, default preferences * @return boolean true if user requested to be notified, false if not */ static public function email_update_requested($user_or_email, $ical_method='REQUEST', $role='REQ-PARTICIPANT',$notify_externals=null) { // check if email is from a user if (is_numeric($user_or_email)) { $account_id = $user_or_email; } else { $account_id = $GLOBALS['egw']->accounts->name2id($user_or_email, 'account_email'); } if ($account_id) { $pref_obj = new Api\Preferences($account_id); $prefs = $pref_obj->read_repository(); } else { $prefs = array( 'calendar' => array( 'receive_updates' => $notify_externals ?: $GLOBALS['egw_info']['user']['preferences']['calendar']['notify_externals'], ) ); } switch($ical_method) { default: case 'REQUEST': $msg_type = MSG_ADDED; break; case 'REPLY': $msg_type = MSG_ACCEPTED; break; case 'CANCEL': $msg_type = MSG_DELETED; break; } static $calendar_boupdate=null; if (!isset($calendar_boupdate)) $calendar_boupdate = new calendar_boupdate(); $ret = $calendar_boupdate->update_requested($account_id, $prefs, $msg_type, array(), array(), $role); //error_log(__METHOD__."('$user_or_email', '$ical_method', '$role') account_id=$account_id --> updated_requested returned ".array2string($ret)); return $ret; } /** * Get iCal/iMip method from internal nummeric msg-type plus optional notification message and verbose name * * @param int $msg_type see MSG_* defines * @param string& $action=null on return verbose name * @param string& $msg=null on return notification message */ function msg_type2ical_method($msg_type, &$action=null, &$msg=null, $prefs=null) { switch($msg_type) { case MSG_DELETED: $action = 'Canceled'; $pref = 'Canceled'; $method = 'CANCEL'; break; case MSG_MODIFIED: $action = 'Modified'; $pref = 'Modified'; $method = 'REQUEST'; break; case MSG_DISINVITE: $action = 'Disinvited'; $pref = 'Disinvited'; $method = 'CANCEL'; break; case MSG_ADDED: $action = 'Added'; $pref = 'Added'; $method = 'REQUEST'; break; case MSG_REJECTED: $action = 'Rejected'; $pref = 'Response'; $method = 'REPLY'; break; case MSG_TENTATIVE: $action = 'Tentative'; $pref = 'Response'; $method = 'REPLY'; break; case MSG_ACCEPTED: $action = 'Accepted'; $pref = 'Response'; $method = 'REPLY'; break; case MSG_DELEGATED: $action = 'Delegated'; $pref = 'Response'; $method = 'REPLY'; break; case MSG_ALARM: $action = 'Alarm'; $pref = 'Alarm'; break; case MSG_REQUEST: $method = 'REQUEST'; break; default: $method = 'PUBLISH'; } if(is_null($prefs)) { $prefs = $this->cal_prefs; } $msg = $prefs['notify'.$pref]; if (empty($msg)) { $msg = $prefs['notifyAdded']; // use a default } //error_log(__METHOD__."($msg_type) action='$action', $msg='$msg' returning '$method'"); return $method ?? null; } /** * sends update-messages to certain participants of an event * * @param int $msg_type type of the notification: MSG_ADDED, MSG_MODIFIED, MSG_ACCEPTED, ... * @param array $to_notify numerical user-ids as keys (!) (value is not used) * @param array $old_event Event before the change * @param array $new_event =null Event after the change * @param int|string $user =0 User/participant who started the notify, default current user * @param array $alarm =null values for "offset", "start", etc. * @parqm boolean $ignore_prefs Ignore the user's preferences about when they want to be notified and send it * @return bool true/false */ function send_update($msg_type, $to_notify, $old_event, $new_event=null, $user=0, ?array $alarm=null, $ignore_prefs=false) { Api\Egw::on_shutdown([$this, '_send_update'], func_get_args()); } /** * Check event is (ending) in the future * * @param array $event * @param int $grace_time * @return bool */ public function eventInFuture(array $event, int $grace_time=10) : bool { if ($event['recur_type'] != MCAL_RECUR_NONE) { return empty($event['recur_enddate']) || $event['recur_enddate'] > $this->now_su - $grace_time; } return $event['end'] > $this->now_su - $grace_time; } /** * sends update-messages to certain participants of an event * * @param int $msg_type type of the notification: MSG_ADDED, MSG_MODIFIED, MSG_ACCEPTED, ... * @param array $to_notify numerical user-ids as keys (!) (value is not used) * @param array $old_event Event before the change * @param array $new_event =null Event after the change * @param int|string $user =0 User/participant who started the notify, default current user * @param array $alarm =null values for "offset", "start", etc. * @parqm boolean $ignore_prefs Ignore the user's preferences about when they want to be notified and send it * @return bool true/false */ function _send_update($msg_type, $to_notify, $old_event, $new_event=null, $user=0, ?array $alarm=null, $ignore_prefs = false) { //error_log(__METHOD__."($msg_type, ".json_encode($to_notify).", ..., ".json_encode($new_event).", ...)"); if (!is_array($to_notify)) { $to_notify = array(); } $notify_externals = $new_event ? ($new_event['##notify_externals']??null) : ($old_event['##notify_externals']??null); $disinvited = $msg_type == MSG_DISINVITE ? array_keys($to_notify) : array(); $owner = $old_event ? $old_event['owner'] : $new_event['owner']; if($owner && !isset($to_notify[$owner]) && $msg_type != MSG_ALARM) { $to_notify[$owner] = 'OCHAIR'; // always include the event-owner } // ignore events in the past (give a tolerance of 10 seconds for the script) if($new_event && !$this->eventInFuture($new_event) || !$new_event && $old_event && !$this->eventInFuture($old_event)) { error_log(__METHOD__."($msg_type, ".json_encode($to_notify).", ..., ".json_encode($new_event).", ...) --> ignoring event in the past: start=". date('Y-m-d H:i:s', ($new_event ?: $old_event)['start'])." < ".date('Y-m-d H:i:s', $this->now_su-10)); return False; } // check if default timezone is set correctly to server-timezone (ical-parser messes with it!!!) if($GLOBALS['egw_info']['server']['server_timezone'] && ($tz = date_default_timezone_get()) != $GLOBALS['egw_info']['server']['server_timezone']) { $restore_tz = $tz; date_default_timezone_set($GLOBALS['egw_info']['server']['server_timezone']); } $temp_user = $GLOBALS['egw_info']['user']; // save user-date of the enviroment to restore it after if (!$user) { $user = $temp_user['account_id']; } $lang = $GLOBALS['egw_info']['user']['preferences']['common']['lang']; if ($GLOBALS['egw']->preferences->account_id != $user) { // Get correct preferences $GLOBALS['egw']->preferences->__construct(is_numeric($user) ? $user : $temp_user['account_id']); $GLOBALS['egw_info']['user']['preferences'] = $GLOBALS['egw']->preferences->read_repository(); // If target user/participant is not an account, try to get good notification message if(!is_numeric($user)) { $res_info = $this->resource_info($user); $title = $res_info['name'] ?: Link::title($res_info['app'], $res_info['res_id']) ?: $res_info['res_id'] ?: $user; $GLOBALS['egw']->preferences->values['fullname'] = $GLOBALS['egw']->preferences->values['lastname'] = $title; $GLOBALS['egw']->preferences->values['firstname'] = ''; $msg = $GLOBALS['egw']->preferences->user['calendar']['notifyResponse'] ?: $GLOBALS['egw']->preferences->default['calendar']['notifyResponse'] ?: $GLOBALS['egw']->preferences->forced['calendar']['notifyResponse']; $GLOBALS['egw_info']['user']['preferences']['calendar']['notifyResponse'] = $GLOBALS['egw']->preferences->parse_notify( $msg ); } } $senderid = $this->user; $event = $msg_type == MSG_ADDED || $msg_type == MSG_MODIFIED ? $new_event : $old_event; // add all group-members to the notification, unless they are already participants foreach($to_notify as $userid => $statusid) { if (is_numeric($userid) && $GLOBALS['egw']->accounts->get_type($userid) == 'g' && ($members = $GLOBALS['egw']->accounts->members($userid, true))) { foreach($members as $member) { if (!isset($to_notify[$member])) { $to_notify[$member] = 'G'; // Group-invitation } } } } // unless we notify externals about everything aka 'responses' // we will notify only an external chair, if only one exists if (($notify_externals ?: $GLOBALS['egw_info']['user']['calendar']['notify_externals'] ?? null) !== 'responses') { // check if we have *only* an external chair $chair = null; foreach($to_notify as $userid => $statusid) { $res_info = $quantity = $role = null; calendar_so::split_status($statusid, $quantity, $role); if ($role == 'CHAIR' && (empty($chair) || !is_numeric($chair))) { $chair = $userid; } } // *only* an external chair --> do not notify anyone, but the external chair and the current user if (!empty($chair) && !is_numeric($chair)) { $to_notify = array($chair => $to_notify[$chair])+ (isset($to_notify[$user]) ? array($user => $to_notify[$user]) : array()); } } // Event is passed in user time, make sure that's taken into account for date calculations $user_prefs = $GLOBALS['egw_info']['user']['preferences']; $date = new Api\DateTime('now',new DateTimeZone($user_prefs['common']['tz'])); $startdate = new Api\DateTime($event['start'], new DateTimeZone($user_prefs['common']['tz'])); $enddate = new Api\DateTime($event['end'], new DateTimeZone($user_prefs['common']['tz'])); $modified = new Api\DateTime($event['modified'], new DateTimeZone($user_prefs['common']['tz'])); if ($old_event) $olddate = new Api\DateTime($old_event['start'], new DateTimeZone($user_prefs['common']['tz'])); $rdates = array_map(static function($rdate) use ($user_prefs) { return new Api\DateTime($rdate, new DateTimeZone($user_prefs['common']['tz'])); }, $event['recur_rdates'] ?? []); $recur_date = isset($event['recur_date']) ? new Api\DateTime($event['recur_date'], new DateTimeZone($user_prefs['common']['tz'])) : null; //error_log(__METHOD__."() date_default_timezone_get()=".date_default_timezone_get().", user-timezone=".Api\DateTime::$user_timezone->getName().", startdate=".$startdate->format().", enddate=".$enddate->format().", updated=".$modified->format().", olddate=".($olddate ? $olddate->format() : '')); $owner_prefs = $ics = null; foreach($to_notify as $userid => $statusid) { $res_info = $quantity = $role = null; calendar_so::split_status($statusid, $quantity, $role); if ($this->debug > 0) error_log(__METHOD__." trying to notify $userid, with $statusid ($role)"); // hack to add videoconference in event description, by always setting $cleared_event // Can't re-load, if we're notifying of a cancelled recurrence we'll load the next event in the series $cleared_event = $event; if (!is_numeric($userid)) { $res_info = $this->resource_info($userid); // check if responsible for a resource has read rights on event (might be private!) if ($res_info['app'] == 'resources' && $res_info['responsible'] && !$this->check_perms(Acl::READ, $event, 0, 'ts', null, $res_info['responsible'])) { // --> use only details from (private-)cleared event only containing resource ($userid) // reading server timezone, to be able to use cleared event for iCal generation further down //$cleared_event = $this->read($event['id'], null, true, 'server'); $this->clear_private_infos($cleared_event, array($userid)); } $userid = $res_info['responsible'] ?? null; if (empty($userid)) // no resource responsible: $userid===0 { if (empty($res_info['email'])) continue; // no way to notify // check if event-owner wants non-EGroupware users notified if (is_null($owner_prefs)) { $preferences = new Api\Preferences($owner); $owner_prefs = $preferences->read_repository(); if (!empty($notify_externals)) $owner_prefs['calendar']['notify_externals'] = $notify_externals; } if ($role != 'CHAIR' && // always notify externals CHAIRs (empty($owner_prefs['calendar']['notify_externals']) || $owner_prefs['calendar']['notify_externals'] == 'no')) { continue; } $userid = $res_info['email']; } } if ($statusid == 'R' || $GLOBALS['egw']->accounts->get_type($userid) == 'g') { continue; // dont notify rejected participants or groups } if ($userid != $GLOBALS['egw_info']['user']['account_id'] || ($userid == $GLOBALS['egw_info']['user']['account_id'] && $user_prefs['calendar']['receive_own_updates']==1) || $msg_type == MSG_ALARM) { $tfn = $tln = $lid = null; //cleanup of lastname and fullname (in case they are set in a previous loop) if (is_numeric($userid)) { $preferences = new Api\Preferences($userid); $GLOBALS['egw_info']['user']['preferences'] = $part_prefs = $preferences->read_repository(); $fullname = Api\Accounts::username($userid); $tfn = Api\Accounts::id2name($userid,'account_firstname'); $tln = Api\Accounts::id2name($userid,'account_lastname'); } else // external email address: use Api\Preferences of event-owner, plus some hardcoded settings (eg. ical notification) { if (is_null($owner_prefs)) { $preferences = new Api\Preferences($owner); $GLOBALS['egw_info']['user']['preferences'] = $owner_prefs = $preferences->read_repository(); if (!empty($notify_externals)) $owner_prefs['calendar']['notify_externals'] = $notify_externals; } $part_prefs = $owner_prefs; $part_prefs['calendar']['receive_updates'] = $owner_prefs['calendar']['notify_externals']; $part_prefs['calendar']['update_format'] = 'ical'; // use ical format $fullname = $res_info && !empty($res_info['name']) ? $res_info['name'] : $userid; } $m_type = $msg_type; if (!$ignore_prefs && !$this->update_requested($userid, $part_prefs, $m_type, $old_event, $new_event, $role, $event['participants'][$GLOBALS['egw_info']['user']['account_id']])) { //error_log("--> Update/notification NOT requested / ignored"); continue; } $action = $notify_msg = null; $method = $this->msg_type2ical_method($m_type, $action, $notify_msg, $user_prefs['calendar']); if ($lang !== $part_prefs['common']['lang']) { Api\Translation::init(); $lang = $part_prefs['common']['lang']; } // Since we're running from cron, make sure notifications uses user's theme (for images) $GLOBALS['egw_info']['server']['template_set'] = $GLOBALS['egw_info']['user']['preferences']['common']['template_set']; $event_arr = null; $details = $this->_get_event_details(isset($cleared_event) ? $cleared_event : $event, $action, $event_arr, $disinvited); $details['fullname'] = is_numeric($user) ? Api\Accounts::username($user) : $fullname; $details['to-fullname'] = $fullname; $details['to-firstname'] = isset($tfn)? $tfn: ''; $details['to-lastname'] = isset($tln)? $tln: ''; // event is in user-time of current user, now we need to calculate the tz-difference to the notified user and take it into account if (!isset($part_prefs['common']['tz'])) $part_prefs['common']['tz'] = $GLOBALS['egw_info']['server']['server_timezone']; try { $timezone = new DateTimeZone($part_prefs['common']['tz']); } catch(Exception $e) { $timezone = new DateTimeZone($GLOBALS['egw_info']['server']['server_timezone']); } $timeformat = $part_prefs['common']['timeformat']; switch($timeformat) { case '24': $timeformat = 'H:i'; break; case '12': $timeformat = 'h:i a'; break; } $timeformat = $part_prefs['common']['dateformat'] . ', ' . $timeformat; // Set dates: // $details in "preference" format, $cleared_event as DateTime so calendar_ical->exportVCal() gets // the times right, since it assumes a timestamp is in server time $cleared_event['start'] = $startdate->setTimezone($timezone); $details['startdate'] = $startdate->format($timeformat); $cleared_event['end'] = $enddate->setTimezone($timezone); $details['enddate'] = $enddate->format($timeformat); $cleared_event['updated'] = $modified->setTimezone($timezone); $details['updated'] = $modified->format($timeformat) . ', ' . Api\Accounts::username($event['modifier']); // we also need to "fix" timezone for rdates, to not get wrong times! $cleared_event['recur_rdates'] = array_map(static function ($rdate) use ($timezone) { return $rdate->setTimezone($timezone); }, $rdates); if (isset($recur_date)) { $cleared_event['recur_date'] = $recur_date->setTimezone($timezone); $details['recur_date'] = $recur_date->format($timeformat); } // Current date doesn't need to go into the cleared event, just for details $date->setTimezone($timezone); $details['date'] = $date->format($timeformat); if ($old_event != False) { $olddate->setTimezone($timezone); $details['olddate'] = $olddate->format($timeformat); } // generate a personal videoconference url, if we need one if (!empty($event['##videoconference']) && !calendar_hooks::isVideoconferenceDisabled()) { $avatar = new Api\Contacts\Photo(is_numeric($userid) ? "account:$userid" : (isset($res_info) && $res_info['type'] === 'c' ? $res_info['res_id'] : $userid), // disable sharing links currently, as sharing links from a different EGroupware user destroy the session true); $details['videoconference'] = EGroupware\Status\Videoconference\Call::genMeetingUrl($event['##videoconference'], [ 'title' => $event['title'], 'name' => $fullname, 'email' => is_numeric($userid) ? Api\Accounts::id2name($userid, 'account_email') : $userid, 'avatar' => (string)$avatar, 'account_id' => $userid, 'cal_id' => $details['id'], 'notify_only' => true ], ['participants' =>array_filter($event['participants'], function($key){return is_numeric($key);}, ARRAY_FILTER_USE_KEY)], $startdate, $enddate); $event_arr['videoconference'] = [ 'field' => lang('Video Conference'), 'data' => $details['videoconference'], ]; // hack to add videoconference-url to ical, only if description was NOT cleared if (isset($cleared_event['description'])) { $cleared_event['description'] = lang('Video conference').': '.$details['videoconference']."\n\n".$event['description']; } } //error_log(__METHOD__."() userid=$userid, timezone=".$timezone->getName().", startdate=$details[startdate], enddate=$details[enddate], updated=$details[updated], olddate=$details[olddate]"); list($subject,$notify_body) = explode("\n",$GLOBALS['egw']->preferences->parse_notify($notify_msg,$details),2); // alarm is NOT an iCal method, therefore we have to use extened (no iCal) switch($msg_type == MSG_ALARM ? 'extended' : $part_prefs['calendar']['update_format']) { case 'ical': if (is_null($ics) || $m_type != $msg_type || $event['##videoconference']) // need different ical for organizer notification or videoconference join urls { $calendar_ical = new calendar_ical(); $calendar_ical->setSupportedFields('full'); // full iCal fields+event TZ // we need to pass $event[id] so iCal class reads event again, // as event is in user TZ, but iCal class expects server TZ! $ics = $calendar_ical->exportVCal([$cleared_event], '2.0', $method, $cleared_event['recur_date'] ?? null, '', 'utf-8', $method == 'REPLY' ? $user : 0 ); unset($calendar_ical); } $attachment = array( 'string' => $ics, 'filename' => 'cal.ics', 'encoding' => '8bit', 'type' => 'text/calendar; method='.$method, ); if ($m_type != $msg_type) unset($ics); $subject = isset($cleared_event) ? $cleared_event['title'] : $event['title']; // fall through case 'extended': $details_body = lang('Event Details follow').":\n"; foreach($event_arr as $key => $val) { if(!empty($details[$key])) { switch($key) { case 'access': case 'priority': case 'link': case 'description': case 'title': break; default: $details_body .= sprintf("%-20s %s\n",$val['field'].':',$details[$key]); break; } } } break; } // send via notification_app if($GLOBALS['egw_info']['apps']['notifications']['enabled']) { try { //error_log(__METHOD__."() notifying $userid from $senderid: $subject"); $notification = new notifications(); $notification->set_receivers(array($userid)); $notification->set_sender($senderid); $notification->set_subject($subject); // as we want ical body to be just description, we can NOT set links, as they get appended to body if ($part_prefs['calendar']['update_format'] != 'ical') { $notification->set_message($notify_body."\n\n".$details['description']."\n\n".$details_body); $notification->set_links(array($details['link_arr'])); } else { // iCal: description need to be separated from body by fancy separator $notification->set_message($notify_body."\n\n".$details_body."\n*~*~*~*~*~*~*~*~*~*\n\n".$details['description']); } // popup notifiactions: set subject, different message (without separator) and (always) links $notification->set_popupsubject($subject); if ($method == 'REQUEST') { // Add ACCEPT|REJECT|TENTATIVE actions $notification->set_popupdata('calendar', array( 'event_id' => $event['id'], 'user_id' => $userid, 'type' => $m_type, 'id' => $event['id'], 'app' => 'calendar', 'videoconference' => $details['videoconference'], ), $event['id']); } if ($m_type === MSG_ALARM) { $notification->set_popupdata('calendar', array('egw_pr_notify' => 1, 'type' => $m_type, 'videoconference' => $details['videoconference'], 'account_id' => $senderid, 'name' => Api\Accounts::username($senderid) ) + ($alarm ? ['alarm-offset' => (int)$alarm['offset']] : []), $event['id']); } $notification->set_popupmessage($subject."\n\n".$notify_body."\n\n".$details['description']."\n\n".$details_body."\n\n"); $notification->set_popuplinks(array($details['link_arr']+array('app'=>'calendar'))); if(!empty($attachment)) { $notification->set_attachments(array($attachment)); } $notification->send(); $errors = notifications::errors(true); } catch (Exception $exception) { $errors = [$exception->getMessage()]; continue; } } else { $errors = [lang('Can not send any notifications because notifications app is not installed!')]; } foreach($errors as $error) { error_log(__METHOD__."() Error notifying $userid from $senderid: $subject: $error"); // send notification errors via push to current user (not session, as alarms send via async job have none!) (new Api\Json\Push($GLOBALS['egw_info']['user']['account_id']))->message( lang('Error notifying %1', !is_numeric($userid) ? $userid : Api\Accounts::id2name($userid, 'account_fullname').' <'.Api\Accounts::id2name($userid, 'account_email').'>'). "\n".$subject."\n".$error, 'error'); } } } // restore the enviroment (preferences->read_repository() sets the timezone!) $GLOBALS['egw_info']['user'] = $temp_user; if ($GLOBALS['egw']->preferences->account_id != $temp_user['account_id']) { $GLOBALS['egw']->preferences->__construct($temp_user['account_id']); $GLOBALS['egw_info']['user']['preferences'] = $GLOBALS['egw']->preferences->read_repository(); //echo "

".__METHOD__."() restored enviroment of #$temp_user[account_id] $temp_user[account_fullname]: tz={$GLOBALS['egw_info']['user']['preferences']['common']['tz']}

\n"; } else { // Loading other user's preferences can change current user's tz $GLOBALS['egw']->preferences->check_set_tz_offset(); } if ($lang !== $GLOBALS['egw_info']['user']['preferences']['common']['lang']) { Api\Translation::init(); } // restore timezone, in case we had to reset it to server-timezone if (!empty($restore_tz)) date_default_timezone_set($restore_tz); return true; } function get_update_message($event,$added) { $nul = null; $details = $this->_get_event_details($event,$added ? lang('Added') : lang('Modified'),$nul); $notify_msg = $this->cal_prefs[$added || empty($this->cal_prefs['notifyModified']) ? 'notifyAdded' : 'notifyModified']; return explode("\n",$GLOBALS['egw']->preferences->parse_notify($notify_msg,$details),2); } /** * Function called via async service, when an alarm is to be send * * @param array $alarm array with keys owner, cal_id, all * @return boolean */ function send_alarm($alarm) { //echo "

bocalendar::send_alarm("; print_r($alarm); echo ")

\n"; $GLOBALS['egw_info']['user']['account_id'] = $this->owner = $alarm['owner']; $event_time_user = Api\DateTime::server2user($alarm['time'] + $alarm['offset']); // alarm[time] is in server-time, read requires user-time if (!$alarm['owner'] || !$alarm['cal_id'] || !($event = $this->read($alarm['cal_id'],$event_time_user))) { return False; // event not found } if ($alarm['all']) { $to_notify = $event['participants']; } elseif ($this->check_perms(Acl::READ,$event)) // checks agains $this->owner set to $alarm[owner] { $to_notify[$alarm['owner']] = 'A'; } else { return False; // no rights } // need to load calendar translations and set currentapp, so calendar can reload a different lang Api\Translation::add_app('calendar'); $GLOBALS['egw_info']['flags']['currentapp'] = 'calendar'; $ret = $this->_send_update(MSG_ALARM, $to_notify, $event, False, $alarm['owner'], $alarm); // create a new alarm for recuring events for the next event, if one exists if (!empty($event['recur_type']) && ($event = $this->read($alarm['cal_id'],$event_time_user+1))) { $alarm['time'] = $this->date2ts($event['start']) - $alarm['offset']; unset($alarm['times']); unset($alarm['next']); unset($alarm['keep_time']); // need to remove the keep_time, as otherwise the alarm would be deleted automatically //error_log(__METHOD__."() moving alarm to next recurrence ".array2string($alarm)); $this->save_alarm($alarm['cal_id'], $alarm, false); // false = do NOT update timestamp, as nothing changed for iCal clients } return $ret; } /** * saves an event to the database, does NOT do any notifications, see calendar_boupdate::update for that * * This methode converts from user to server time and handles the insertion of users and dates of repeating events * * @param array $event * @param boolean $ignore_acl =false should we ignore the acl * @param boolean $updateTS =true update the content history of the event * Please note: you should ALLWAYS update timestamps, as they are required for sync! * @return int|boolean $cal_id > 0 or false on error (eg. permission denied) */ function save($event,$ignore_acl=false,$updateTS=true) { //error_log(__METHOD__.'('.array2string($event).", $ignore_acl, $updateTS)"); // check if user has the permission to update / create the event if (!$ignore_acl && (!empty($event['id']) && !$this->check_perms(Acl::EDIT,$event['id']) || empty($event['id']) && !$this->check_perms(Acl::EDIT,0,$event['owner']) && !$this->check_perms(Acl::ADD,0,$event['owner']))) { return false; } if (!empty($event['id'])) { // invalidate the read-cache if it contains the event we store now if ($event['id'] == self::$cached_event['id']) self::$cached_event = array(); $old_event = $this->read($event['id'], $event['recurrence'], $ignore_acl, 'server'); } else { $old_event = null; } if (!isset($event['whole_day'])) $event['whole_day'] = $this->isWholeDay($event); $this->check_reset_statuses($event, $old_event); // set recur-enddate/range-end to real end-date of last recurrence if (!empty($event['recur_type']) && (!empty($event['recur_enddate']) || $event['recur_type'] == calendar_rrule::RDATE) && $event['start']) { $event['recur_enddate'] = new Api\DateTime($event['recur_enddate'], calendar_timezones::DateTimeZone($event['tzid'])); $event['recur_enddate']->setTime(23,59,59); $rrule = calendar_rrule::event2rrule($event, true, Api\DateTime::$user_timezone->getName()); $rrule->rewind(); $enddate = $rrule->current(); do { $rrule->next_no_exception(); $occurrence = $rrule->current(); } while ($rrule->validDate($event['whole_day']) && ($enddate = $occurrence)); if ($enddate) { $enddate->modify(($event['end'] - $event['start']).' second'); $event['recur_enddate'] = $enddate->format('ts'); } //error_log(__METHOD__."($event[title]) start=".Api\DateTime::to($event['start'],'string').', end='.Api\DateTime::to($event['end'],'string').', range_end='.Api\DateTime::to($event['recur_enddate'],'string')); } $save_event = $event; if ($event['whole_day']) { if (!empty($event['start'])) { $time = $this->so->startOfDay(new Api\DateTime($event['start'], Api\DateTime::$user_timezone)); $event['start'] = Api\DateTime::to($time, 'ts'); $save_event['start'] = $time; } if (!empty($event['end'])) { $time = new Api\DateTime($event['end'], Api\DateTime::$user_timezone); // Check to see if switching timezones changes the date, we'll need to adjust for that $end_event_timezone = clone $time; $time->setServer(); $delta = (int)$end_event_timezone->format('z') - (int)$time->format('z'); $time->add("$delta days"); $time->setTime(23, 59, 59); $event['end'] = Api\DateTime::to($time, 'ts'); $save_event['end'] = $time; } if (!empty($event['recurrence'])) { $time = $this->so->startOfDay(new Api\DateTime($event['recurrence'], Api\DateTime::$user_timezone)); $event['recurrence'] = Api\DateTime::to($time, 'ts'); } if (!empty($event['recur_enddate'])) { // all-day events are handled in server time, but here (BO) it's in user time $time = new Api\DateTime($event['recur_enddate'], Api\DateTime::$user_timezone); $time->setTime(23, 59, 59); // Check to see if switching timezones changes the date, we'll need to adjust for that $enddate_event_timezone = clone $time; $time->setServer(); $delta = (int)$enddate_event_timezone->format('z') - (int)$time->format('z'); $time->add("$delta days"); //$time->setServer(); $time->setTime(23, 59, 59); $event['recur_enddate'] = $save_event['recur_enddate'] = $time; } $timestamps = array('modified','created'); // all-day events are handled in server time // $event['tzid'] = $save_event['tzid'] = Api\DateTime::$server_timezone->getName(); } else { $timestamps = array('start','end','modified','created','recur_enddate','recurrence'); } // we run all dates through date2ts, to adjust to server-time and the possible date-formats foreach($timestamps as $ts) { // we convert here from user-time to timestamps in server-time! if (isset($event[$ts])) $event[$ts] = $event[$ts] ? $this->date2ts($event[$ts],true) : 0; } // convert tzid name to integer tz_id, of set user default if (empty($event['tzid']) || !($event['tz_id'] = calendar_timezones::tz2id($event['tzid']))) { $event['tz_id'] = calendar_timezones::tz2id($event['tzid'] = Api\DateTime::$user_timezone->getName()); } // same with the recur exceptions and rdates foreach(['recur_exception', 'recur_rdates'] as $name) { if (!is_array($event[$name] ?? null)) continue; foreach($event[$name] as &$date) { if ($event['whole_day']) { $time = $this->so->startOfDay(new Api\DateTime($date, Api\DateTime::$user_timezone)); $date = Api\DateTime::to($time, 'ts'); } else { $date = $this->date2ts($date,true); } } unset($date); } // same with the alarms if (isset($event['alarm']) && is_array($event['alarm']) && isset($event['start'])) { // Expand group invitations so we don't lose individual alarms $expanded = $event; $this->enum_groups($expanded); foreach($event['alarm'] as $id => &$alarm) { if(!empty($alarm['time'])) { $alarm['time'] = $this->date2ts($alarm['time'], true); // user to server-time } // remove alarms belonging to not longer existing or rejected participants if (!empty($alarm['owner']) && isset($expanded['participants'])) { // Don't auto-delete alarm if for all users if(!empty($alarm['all'])) continue; $status = $expanded['participants'][$alarm['owner']]; if (!isset($status) || calendar_so::split_status($status) === 'R') { unset($event['alarm'][$id]); $this->so->delete_alarm($id); //error_log(__LINE__.': '.__METHOD__."(".array2string($event).") deleting alarm=".array2string($alarm).", $status=".array2string($alarm)); } } else if (empty($alarm['owner'])) { $alarm['owner'] = $event['owner']; } } } // update all existing alarm times, in case alarm got moved and alarms are not include in $event if ($old_event && is_array($old_event['alarm']) && isset($event['start'])) { foreach($old_event['alarm'] as $id => &$alarm) { if (!isset($event['alarm'][$id])) { $alarm['time'] = $event['start'] - $alarm['offset']; if ($alarm['time'] < time()) calendar_so::shift_alarm($event, $alarm); // remove (not store) alarms belonging to not longer existing or rejected participants $status = isset($event['participants']) ? $event['participants'][$alarm['owner']] : $old_event['participants'][$alarm['owner']]; if (!$alarm['owner'] || isset($status) && calendar_so::split_status($status) !== 'R') { $this->so->save_alarm($event['id'], $alarm); //error_log(__LINE__.': '.__METHOD__."() so->save_alarm($event[id], ".array2string($alarm).")"); } else { $this->so->delete_alarm($id); //error_log(__LINE__.': '.__METHOD__."(".array2string($event).") deleting alarm=".array2string($alarm).", $status=".array2string($alarm)); } } } } // you should always update modification time (ctag depends on it!) if ($updateTS) { $event['modified'] = $save_event['modified'] = $this->now; $event['modifier'] = $save_event['modifier'] = $this->user; } if (empty($event['id']) && (!isset($event['created']) || $event['created'] > $this->now)) { $event['created'] = $save_event['created'] = $this->now; $event['creator'] = $save_event['creator'] = $this->user; } $set_recurrences = !$old_event ? false : abs(Api\DateTime::to($event['recur_enddate'] ?? null, 'utc') - Api\DateTime::to($old_event['recur_enddate'] ?? null, 'utc')) > 1 || count($old_event['recur_exception'] ?? []) != count($event['recur_exception'] ?? []) || count($old_event['recur_rdates'] ?? []) != count($event['recur_rdates'] ?? []); $set_recurrences_start = 0; if (($cal_id = $this->so->save($event,$set_recurrences,$set_recurrences_start,0,$event['etag'])) && $set_recurrences && !empty($event['recur_type'])) { $save_event['id'] = $cal_id; // unset participants to enforce the default stati for all added recurrences unset($save_event['participants']); $this->set_recurrences($save_event, $set_recurrences_start); } // create links for new participants from addressbook, if configured if($cal_id && !empty($GLOBALS['egw_info']['server']['link_contacts']) && !empty($save_event['participants'])) { foreach($save_event['participants'] as $uid => $status) { $user_type = $user_id = null; calendar_so::split_user($uid, $user_type, $user_id); if($user_type == 'c' && (!$old_event || !isset($old_event['participants'][$uid]))) { Link::link('calendar', $cal_id, 'addressbook', $user_id); } } } // Update history $tracking = new calendar_tracking($this); if(empty($event['id']) && !empty($cal_id)) { $event['id'] = $cal_id; $save_event['id'] = $cal_id; } // we run all dates through date2ts, to adjust to server-time and the possible date-formats // This is done here to avoid damaging the actual event when saving, but the old event is in server-time foreach ($timestamps as $ts) { // we convert here from user-time to timestamps in server-time! if (isset($save_event[$ts])) $save_event[$ts] = $save_event[$ts] ? calendar_bo::date2ts($save_event[$ts], true) : 0; } foreach(['start', 'end', 'recur_enddate'] as $ts) { if(isset($save_event[$ts]) && is_object($save_event[$ts])) { $save_event[$ts] = $save_event[$ts]->format('ts'); } } $tracking->track($save_event, $old_event ?: null); return $cal_id; } /** * Check if the current user has the necessary ACL rights to change the status of $uid * * For contacts we use edit rights of the owner of the event (aka. edit rights of the event). * * @param int|string $uid account_id or 1-char type-identifer plus id (eg. c15 for addressbook entry #15) * @param array|int $event event array or id of the event * @return boolean */ function check_status_perms($uid,$event) { if ($uid[0] == 'c' || $uid[0] == 'e') // for contact we use the owner of the event { if (!is_array($event) && !($event = $this->read($event))) return false; return $this->check_perms(Acl::EDIT,0,$event['owner']); } // check if we have a category Acl for the event or not (null) $access = $this->check_cat_acl(self::CAT_ACL_STATUS,$event); if (!is_null($access)) { return $access; } // no access or denied access because of category acl --> regular check if (!is_numeric($uid)) // this is eg. for resources (r123) { $resource = $this->resource_info($uid); return Acl::EDIT & $resource['rights']; } if (!is_array($event) && !($event = $this->read($event))) return false; // regular user and groups (need to check memberships too) if (!isset($event['participants'][$uid])) { $memberships = $GLOBALS['egw']->accounts->memberships($uid,true); } $memberships[] = $uid; return array_intersect($memberships, array_keys($event['participants'] ?? [])) && $this->check_perms(Acl::EDIT,0,$uid); } /** * Check if current user has a certain right on the categories of an event * * Not having the given right for a single category, means not having it! * * @param int $right self::CAT_ACL_{ADD|STATUS} * @param int|array $event * @return boolean true if use has the right, false if not * @return boolean false=access denied because of cat acl, true access granted because of cat acl, * null = cat has no acl */ function check_cat_acl($right,$event) { if (!is_array($event)) $event = $this->read($event); $ret = null; if ($event['category']) { foreach(is_array($event['category']) ? $event['category'] : explode(',',$event['category']) as $cat_id) { $access = self::has_cat_right($right,$cat_id,$this->user); if ($access === true) { $ret = true; break; } if ($access === false) { $ret = false; // cat denies access --> check further cats } } } //echo "

".__METHOD__."($event[id]: $event[title], $right) = ".array2string($ret)."

\n"; return $ret; } /** * Array with $cat_id => $rights pairs for current user (no entry means, cat is not limited by ACL!) * * @var array */ private static $cat_rights_cache; /** * Get rights for a given category id * * @param int $cat_id =null null to return array with all cats * @return array with account_id => right pairs */ public static function get_cat_rights($cat_id=null) { if (!isset(self::$cat_rights_cache)) { self::$cat_rights_cache = Api\Cache::getSession('calendar','cat_rights', array($GLOBALS['egw']->acl,'get_location_grants'),array('L%','calendar')); } //echo "

".__METHOD__."($cat_id) = ".array2string($cat_id ? self::$cat_rights_cache['L'.$cat_id] : self::$cat_rights_cache)."

\n"; return $cat_id ? self::$cat_rights_cache['L'.$cat_id] : self::$cat_rights_cache; } /** * Set rights for a given single category and user * * @param int $cat_id * @param int $user * @param int $rights self::CAT_ACL_{ADD|STATUS} or'ed together */ public static function set_cat_rights($cat_id,$user,$rights) { //echo "

".__METHOD__."($cat_id,$user,$rights)

\n"; if (!isset(self::$cat_rights_cache)) self::get_cat_rights($cat_id); if ((int)$rights != (int)self::$cat_rights_cache['L'.$cat_id][$user]) { if ($rights) { self::$cat_rights_cache['L'.$cat_id][$user] = $rights; $GLOBALS['egw']->acl->add_repository('calendar','L'.$cat_id,$user,$rights); } else { unset(self::$cat_rights_cache['L'.$cat_id][$user]); if (!self::$cat_rights_cache['L'.$cat_id]) unset(self::$cat_rights_cache['L'.$cat_id]); $GLOBALS['egw']->acl->delete_repository('calendar','L'.$cat_id,$user); } Api\Cache::setSession('calendar','cat_rights',self::$cat_rights_cache); } } /** * Check if current user has a given right on a category (if it's restricted!) * * @param int $cat_id * @return boolean false=access denied because of cat acl, true access granted because of cat acl, * null = cat has no acl */ public static function has_cat_right($right,$cat_id,$user) { static $cache=null; if (!isset($cache[$cat_id])) { $all = $own = 0; $cat_rights = self::get_cat_rights($cat_id); if (!is_null($cat_rights)) { static $memberships=null; if (is_null($memberships)) { $memberships = $GLOBALS['egw']->accounts->memberships($user,true) ?: []; $memberships[] = $user; } foreach($cat_rights as $uid => $value) { $all |= $value; if (in_array($uid,$memberships)) $own |= $value; } } foreach(array(self::CAT_ACL_ADD,self::CAT_ACL_STATUS) as $mask) { $cache[$cat_id][$mask] = !($all & $mask) ? null : !!($own & $mask); } } //echo "

".__METHOD__."($right,$cat_id) all=$all, own=$own returning ".array2string($cache[$cat_id][$right])."

\n"; return $cache[$cat_id][$right]; } /** * set the status of one participant for a given recurrence or for all recurrences since now (includes recur_date=0) * * @param int|array $event event-array or id of the event * @param string|int $uid account_id or 1-char type-identifer plus id (eg. c15 for addressbook entry #15) * @param int|char $status numeric status (defines) or 1-char code: 'R', 'U', 'T' or 'A' * @param int $recur_date =0 date to change, or 0 = all since now * @param boolean $ignore_acl =false do not check the permisions for the $uid, if true * @param boolean $updateTS =true update the content history of the event * DEPRECATED: we always (have to) update timestamp, as they are required for sync! * @param boolean|"NOPUSH" $skip_notification =false true: send NO notifications, default false = send them, * "NOPUSH": also do NOT send push notifications / call Link::notifiy(), which still happens for true * @return int number of changed recurrences */ function set_status($event,$uid,$status,$recur_date=0,$ignore_acl=false,$updateTS=true,$skip_notification=false) { unset($updateTS); $cal_id = is_array($event) ? $event['id'] : $event; //echo "

calendar_boupdate::set_status($cal_id,$uid,$status,$recur_date)

\n"; if (!$cal_id || (!$ignore_acl && !$this->check_status_perms($uid,$event))) { return false; } $quantity = $role = null; calendar_so::split_status($status, $quantity, $role); if ($this->log) { error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. "($cal_id, $uid, $status, $recur_date)\n",3,$this->logfile); } $old_event = $this->read($cal_id, $recur_date, $ignore_acl, 'server'); if (($Ok = $this->so->set_status($cal_id,is_numeric($uid)?'u':$uid[0], is_numeric($uid)?$uid:substr($uid,1),$status, $recur_date?$this->date2ts($recur_date,true):0,$role))) { if ($status == 'R') // remove alarms belonging to rejected participants { foreach(is_array($event) && isset($event['alarm']) ? $event['alarm'] : $old_event['alarm'] as $id => $alarm) { if ((string)$alarm['owner'] === (string)$uid) { $this->so->delete_alarm($id); //error_log(__LINE__.': '.__METHOD__."(".array2string($event).", '$uid', '$status', ...) deleting alarm=".array2string($alarm).", $status=".array2string($alarm)); } } } static $status2msg = array( 'R' => MSG_REJECTED, 'T' => MSG_TENTATIVE, 'A' => MSG_ACCEPTED, 'D' => MSG_DELEGATED, ); // Reset cached event static::$cached_event = array(); if (isset($status2msg[$status]) && !$skip_notification) { if (!is_array($event)) $event = $this->read($cal_id); if (isset($recur_date)) $event = $this->read($event['id'],$recur_date); //re-read the actually edited recurring event $user_id = is_numeric($uid) ? (int)$uid : $uid; $this->send_update($status2msg[$status],$event['participants'],$event, null, $user_id); } // Update history if (($event = $this->read($cal_id, $recur_date, $ignore_acl, 'server'))) { $tracking = new calendar_tracking($this); $tracking->track($event, $old_event ?: null); } // notify the link-class about the update, as other apps may be subscribed to it if ($skip_notification !== "NOPUSH") { Link::notify_update('calendar', $cal_id, $event, "update"); } } return $Ok; } /** * update the status of all participant for a given recurrence or for all recurrences since now (includes recur_date=0) * * @param array $new_event event-array with the new stati * @param array $old_event event-array with the old stati * @param int $recur_date =0 date to change, or 0 = all since now * @param boolean|"NOPUSH" $skip_notification =false true: send NO notifications, default false = send them, * "NOPUSH": also do NOT send push notifications / call Link::notifiy(), which still happens for true */ function update_status($new_event, $old_event , $recur_date=0, $skip_notification=false) { if (!isset($new_event['participants'])) return; // check the old list against the new list foreach ($old_event['participants'] as $userid => $status) { if (!isset($new_event['participants'][$userid])){ // Attendee will be deleted this way $new_event['participants'][$userid] = 'G'; } elseif ($new_event['participants'][$userid] == $status) { // Same status -- nothing to do. unset($new_event['participants'][$userid]); } } // write the changes foreach ($new_event['participants'] as $userid => $status) { $this->set_status($old_event, $userid, $status, $recur_date, true, false,$skip_notification); } // notify the link-class about the update, as other apps may be subscribed to it if ($skip_notification !== "NOPUSH") { Link::notify_update('calendar',$new_event['id'],$new_event,"update"); } } /** * deletes an event * * @param int $cal_id id of the event to delete * @param int $recur_date =0 if a single event from a series should be deleted, its date * @param boolean $ignore_acl =false true for no ACL check, default do ACL check * @param boolean|array|"NOPUSH" $skip_notification =false or array with uid to skip eg. [5,'eemail@example.org'] * "NOPUSH": also do NOT send push notifications / call Link::notifiy(), which still happens for true * @param boolean $delete_exceptions =true true: delete, false: keep exceptions (with new UID) * @param int &$exceptions_kept=null on return number of kept exceptions * @return boolean true on success, false on error (usually permission denied) */ function delete($cal_id, $recur_date=0, $ignore_acl=false, $skip_notification=false, $delete_exceptions=true, &$exceptions_kept=null) { //error_log(__METHOD__."(cal_id=$cal_id, recur_date=$recur_date, ignore_acl=$ignore_acl, skip_notifications=$skip_notification)"); if (!($event = $this->read($cal_id,$recur_date)) || !$ignore_acl && !$this->check_perms(Acl::DELETE,$event)) { return false; } // Don't send notification if the event has already been deleted if (!$event['deleted'] && (!$skip_notification || is_array($skip_notification))) { $to_notify = !is_array($skip_notification) ? $event['participants'] : array_diff_key($event['participants'], array_flip($skip_notification)); $this->send_update(MSG_DELETED, $to_notify, $event); } if (!$recur_date || empty($event['recur_type'])) { $config = Api\Config::read('phpgwapi'); if ($event['deleted']) { $this->so->delete($cal_id); // delete all links to the event Link::unlink(0,'calendar',$cal_id); } else { // mark all links to the event as deleted, but keep them Link::unlink(0,'calendar',$cal_id,'','','',true); $event['deleted'] = $this->now; $this->save($event, $ignore_acl); // Actually delete alarms if (isset($event['alarm']) && is_array($event['alarm'])) { foreach($event['alarm'] as $id => $alarm) { $this->delete_alarm($id, true); } } } // delete or keep (with new uid) exceptions of a recurring event if (!empty($event['recur_type'])) { $exceptions_kept = 0; foreach ($this->so->get_related($event['uid']) as $id) { if ($delete_exceptions) { $this->delete($id, 0, $ignore_acl, true); } else { if (!($exception = $this->read($id))) continue; $exception['uid'] = Api\CalDAV::generate_uid('calendar', $id); $exception['reference'] = $exception['recurrence'] = 0; $msg = null; $this->update($exception, true, true, false, true, $msg, true); ++$exceptions_kept; } } } } else // delete an exception { // check if deleted recurrance has alarms (because it's the next recurrance) --> move it to next recurrance if ($event['alarm']) { $next_recurrance = null; foreach($event['alarm'] as &$alarm) { if (($alarm['time'] == $recur_date) || ($alarm['time']+$alarm['offset'] == $recur_date)) { //error_log(__METHOD__.__LINE__.'->'.array2string($recur_date)); //error_log(__METHOD__.__LINE__.array2string($event)); if (is_null($next_recurrance)) { $checkdate = $recur_date; //if ($alarm['time']+$alarm['offset'] == $recur_date) $checkdate = $recur_date + $alarm['offset']; if (($e = $this->read($cal_id,$checkdate+1))) { $next_recurrance = $this->date2ts($e['start']); } } $alarm['time'] = $this->date2ts($next_recurrance, true); // user to server-time $alarm['cal_id'] = $cal_id; unset($alarm['times']); unset($alarm['next']); $this->so->save_alarm($event['id'], $alarm); } } } // need to read series master, as otherwise existing exceptions will be lost! $recur_date = $this->date2ts($event['start']); //if ($event['alarm']) $alarmbuffer = $event['alarm']; $event = $this->read($cal_id); //if (isset($alarmbuffer)) $event['alarm'] = $alarmbuffer; $event['recur_exception'][] = $recur_date; $this->save($event);// updates the content-history // for "real" push, need to push delete of recurrence if (!Api\Json\Push::onlyFallback() && $skip_notification !== "NOPUSH") { Api\Link::notify_update('calendar', $cal_id.':'.$recur_date, $event, 'delete'); } } if ($event['reference']) { // evtl. delete recur_exception $event['recurrence'] from event with cal_id=$event['reference'] } return true; } /** * helper for send_update and get_update_message * @internal * @param array $event * @param string $action * @param array $event_arr * @param array $disinvited * @return array */ function _get_event_details($event,$action,&$event_arr,$disinvited=array()) { $details = array( // event-details for the notify-msg 'id' => $event['id'], 'action' => lang($action), ); $event_arr = $this->event2array($event); foreach($event_arr as $key => $val) { if ($key == 'recur_type') $details['repetition'] = $val['data']; $details[$key] = $val['data']; } $details['participants'] = $details['participants'] ? implode("\n",$details['participants']) : ''; $event_arr['link']['field'] = lang('URL'); $eventStart_arr = $this->date2array($event['start']); // give this as 'date' to the link to pick the right recurrence for the participants state $link = $GLOBALS['egw_info']['server']['webserver_url'].'/index.php?menuaction=calendar.calendar_uiforms.edit&cal_id='.$event['id'].'&date='.$eventStart_arr['full'].'&no_popup=1&ajax=true'; // if url is only a path, try guessing the rest ;-) if ($link[0] == '/') $link = Api\Framework::getUrl($link); $event_arr['link']['data'] = $details['link'] = $link; /* this is needed for notification-app * notification-app creates the link individual for * every user, so we must provide a neutral link-style * if calendar implements tracking in near future, this part can be deleted */ $link_arr = array(); $link_arr['text'] = $event['title']; $link_arr['view'] = array( 'menuaction' => 'calendar.calendar_uiforms.edit', 'cal_id' => $event['id'], 'date' => $eventStart_arr['full'], 'ajax' => true ); $link_arr['popup'] = '750x400'; $details['link_arr'] = $link_arr; $dis = array(); foreach($disinvited as $uid) { $dis[] = $this->participant_name($uid); } $details['disinvited'] = implode(', ',$dis); return $details; } /** * create array with name, translated name and readable content of each attributes of an event * * old function, so far only used by send_update (therefor it's in bocalupdate and not bocal) * * @param array $event event to use * @returns array of attributes with fieldname as key and array with the 'field'=translated name 'data' = readable content (for participants this is an array !) */ function event2array($event) { $var['title'] = Array( 'field' => lang('Title'), 'data' => $event['title'] ); $var['description'] = Array( 'field' => lang('Description'), 'data' => $event['description'] ); foreach(is_array($event['category']) ? $event['category'] : explode(',', $event['category']) as $cat_id) { $cat_string[] = stripslashes(Api\Categories::id2name($cat_id)); } $var['category'] = Array( 'field' => lang('Category'), 'data' => implode(', ',$cat_string) ); $var['location'] = Array( 'field' => lang('Location'), 'data' => $event['location'] ); $var['startdate'] = Array( 'field' => lang('Start Date/Time'), 'data' => $this->format_date($event['start']), ); $var['enddate'] = Array( 'field' => lang('End Date/Time'), 'data' => $this->format_date($event['end']), ); $pri = Array( 0 => lang('None'), 1 => lang('Low'), 2 => lang('Normal'), 3 => lang('High') ); $var['priority'] = Array( 'field' => lang('Priority'), 'data' => $pri[$event['priority']] ); $var['owner'] = Array( 'field' => lang('Owner'), 'data' => Api\Accounts::username($event['owner']) ); $var['updated'] = Array( 'field' => lang('Updated'), 'data' => $this->format_date($event['modtime'] ?? null).', '.Api\Accounts::username($event['modifier']) ); $var['access'] = Array( 'field' => lang('Access'), 'data' => $event['public'] ? lang('Public') : lang('Private') ); if (isset($event['participants']) && is_array($event['participants']) && !empty($event['participants'])) { $participants = $this->participants($event,true); // fix external organiser to not be included as participant and shown as organiser foreach($event['participants'] as $uid => $status) { $role = $quantity = null; calendar_so::split_status($status, $quantity, $role); if ($role == 'CHAIR' && $status == 'D' && !is_numeric($uid)) { $var['owner']['data'] = $this->participant_name($uid); unset($participants[$uid]); break; } } } $var['participants'] = Array( 'field' => lang('Participants'), 'data' => $participants ); // Repeated Events $var['recur_type'] = Array( 'field' => lang('Repetition'), 'data' => (!empty($event['recur_type'])) ? $this->recure2string($event) : '', ); return $var; } /** * log all updates to a file * * @param array $event2save event-data before calling save * @param array $event_saved event-data read back from the DB * @param array $old_event =null event-data in the DB before calling save * @param string $type ='update' */ function log2file($event2save,$event_saved,$old_event=null,$type='update') { if (!($f = fopen($this->log_file,'a'))) { echo "

error opening '$this->log_file' !!!

\n"; return false; } fwrite($f,$type.': '.Api\Accounts::username($this->user).': '.date('r')."\n"); fwrite($f,"Time: time to save / saved time read back / old time before save\n"); foreach(array('start','end') as $name) { fwrite($f,$name.': '.(isset($event2save[$name]) ? $this->format_date($event2save[$name]) : 'not set').' / '. $this->format_date($event_saved[$name]) .' / '. (is_null($old_event) ? 'no old event' : $this->format_date($old_event[$name]))."\n"); } foreach(array('event2save','event_saved','old_event') as $name) { fwrite($f,$name.' = '.print_r($$name,true)); } fwrite($f,"\n"); fclose($f); return true; } /** * Check alarms and move them if needed * * Used when the start time has changed, and alarms need to be updated * * @param array $event * @param array $old_event * @param Api\DateTime|int|null $instance_date For recurring events, this is the date we are dealing with * @param boolean $ignore_acl=false true: no acl check */ function check_move_alarms(Array &$event, Array $old_event = null, $instance_date = null, $ignore_acl=false) { if ($old_event !== null && $event['start'] == $old_event['start']) return; $time = new Api\DateTime($event['start']); if(!is_array($event['alarm'])) { $event['alarm'] = $this->so->read_alarms($event['id']); } if (is_object($instance_date)) { if (!is_a($instance_date, 'EGroupware\\Api\\DateTime')) { throw new Api\Exception\WrongParameter('$instance_date must be integer or Api\DateTime!'); } $instance_date = $instance_date->format('ts'); } foreach($event['alarm'] as &$alarm) { if(!empty($event['recur_type']) && $instance_date) { calendar_so::shift_alarm($event, $alarm, $instance_date); } else if ($alarm['time'] !== $time->format('ts') - $alarm['offset']) { $alarm['time'] = $time->format('ts') - $alarm['offset']; $this->save_alarm($event['id'], $alarm, true, $ignore_acl); } } } /** * saves a new or updated alarm * * @param int $cal_id Id of the calendar-entry * @param array $alarm array with fields: text, owner, enabled, .. * @param boolean $update_modified =true call update modified, default true * @param boolean $ignore_acl=false true: no acl check * @return string id of the alarm, or false on error (eg. no perms) */ function save_alarm($cal_id, $alarm, $update_modified=true, $ignore_acl=false) { if (!$cal_id || !$ignore_acl && !$this->check_perms(Acl::EDIT,$alarm['all'] ? $cal_id : 0,!$alarm['all'] ? $alarm['owner'] : 0)) { //echo "

no rights to save the alarm=".print_r($alarm,true)." to event($cal_id)

"; return false; // no rights to add the alarm } $alarm['time'] = $this->date2ts($alarm['time'],true); // user to server-time return $this->so->save_alarm($cal_id, $alarm, $update_modified); } /** * delete one alarms identified by its id * * @param string $id alarm-id is a string of 'cal:'.$cal_id.':'.$alarm_nr, it is used as the job-id too * @param boolean $ignore_acl=false true: no acl check * @return int number of alarms deleted, false on error (eg. no perms) */ function delete_alarm($id, $ignore_acl=false) { list(,$cal_id) = explode(':',$id); if (!($alarm = $this->so->read_alarm($id)) || !$cal_id || !$ignore_acl && !$this->check_perms(Acl::EDIT,$alarm['all'] ? $cal_id : 0,!$alarm['all'] ? $alarm['owner'] : 0)) { return false; // no rights to delete the alarm } return $this->so->delete_alarm($id); } /** * Find existing categories in database by name or add categories that do not exist yet * currently used for ical/sif import * * @param array $catname_list names of the categories which should be found or added * @param int|array $old_event =null match against existing event and expand the returned category ids * by the ones the user normally does not see due to category permissions - used to preserve categories * @return array category ids (found, added and preserved categories) */ function find_or_add_categories($catname_list, $old_event=null) { if (is_array($old_event) || $old_event > 0) { // preserve categories without users read access if (!is_array($old_event)) $old_event = $this->read($old_event); $old_categories = explode(',',$old_event['category']); $old_cats_preserve = array(); if (is_array($old_categories) && count($old_categories) > 0) { foreach ($old_categories as $cat_id) { if (!$this->categories->check_perms(Acl::READ, $cat_id)) { $old_cats_preserve[] = $cat_id; } } } } $cat_id_list = array(); foreach ((array)$catname_list as $cat_name) { $cat_name = trim($cat_name); $cat_id = $this->categories->name2id($cat_name, 'X-'); if (!$cat_id) { // some SyncML clients (mostly phones) add an X- to the category names if (strncmp($cat_name, 'X-', 2) == 0) { $cat_name = substr($cat_name, 2); } $cat_id = $this->categories->add(array('name' => $cat_name, 'descr' => $cat_name, 'access' => 'private')); } if ($cat_id) { $cat_id_list[] = $cat_id; } } if (is_array($old_cats_preserve) && count($old_cats_preserve) > 0) { $cat_id_list = array_merge($cat_id_list, $old_cats_preserve); } if (count($cat_id_list) > 1) { $cat_id_list = array_unique($cat_id_list); sort($cat_id_list, SORT_NUMERIC); } return $cat_id_list; } function get_categories($cat_id_list) { if (!is_array($cat_id_list)) { $cat_id_list = explode(',',$cat_id_list); } $cat_list = array(); foreach ($cat_id_list as $cat_id) { if ($cat_id && $this->categories->check_perms(Acl::READ, $cat_id) && ($cat_name = $this->categories->id2name($cat_id)) && $cat_name != '--') { $cat_list[] = $cat_name; } } return $cat_list; } /** * Try to find a matching db entry * * @param array $event the vCalendar data we try to find * @param string filter='exact' exact -> find the matching entry * check -> check (consistency) for identical matches * relax -> be more tolerant * master -> try to find a related series master * @return array calendar_ids of matching entries */ function find_event($event, $filter='exact') { $matchingEvents = array(); $query = array(); if ($this->log) { error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. "($filter)[EVENT]:" . array2string($event)."\n",3,$this->logfile); } if (!isset($event['recurrence'])) $event['recurrence'] = 0; if ($filter == 'master') { $query[] = 'recur_type!='. MCAL_RECUR_NONE; $query['cal_recurrence'] = 0; } elseif ($filter == 'exact') { if (!empty($event['recur_type'])) { $query[] = 'recur_type='.$event['recur_type']; } else { $query[] = 'recur_type IS NULL'; } $query['cal_recurrence'] = $event['recurrence']; } if ($event['id']) { if ($this->log) { error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. '(' . $event['id'] . ")[EventID]\n",3,$this->logfile); } if (($egwEvent = $this->read($event['id'], 0, false, 'server'))) { if ($this->log) { error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. '()[FOUND]:' . array2string($egwEvent)."\n",3,$this->logfile); } if (!empty($egwEvent['recur_type']) && (empty($event['uid']) || $event['uid'] == $egwEvent['uid'])) { if ($filter == 'master') { $matchingEvents[] = $egwEvent['id']; // we found the master } if ($event['recur_type'] == $egwEvent['recur_type']) { $matchingEvents[] = $egwEvent['id']; // we found the event } elseif (empty($event['recur_type']) && $event['recurrence'] != 0) { $exceptions = $this->so->get_recurrence_exceptions($egwEvent, $event['tzid']); if (in_array($event['recurrence'], $exceptions)) { $matchingEvents[] = $egwEvent['id'] . ':' . (int)$event['recurrence']; } } } elseif ($filter != 'master' && ($filter == 'exact' || $event['recur_type'] == $egwEvent['recur_type'] && strpos($egwEvent['title'], $event['title']) === 0)) { $matchingEvents[] = $egwEvent['id']; // we found the event } } if (!empty($matchingEvents) || $filter == 'exact') return $matchingEvents; } unset($event['id']); // No chance to find a master without [U]ID if ($filter == 'master' && empty($event['uid'])) return $matchingEvents; // only query calendars of users, we have READ-grants from $users = array(); foreach(array_keys($this->grants) as $user) { $user = trim($user); if ($this->check_perms(Acl::READ|self::ACL_READ_FOR_PARTICIPANTS|self::ACL_FREEBUSY,0,$user)) { if ($user && !in_array($user,$users)) // already added? { $users[] = $user; } } elseif ($GLOBALS['egw']->accounts->get_type($user) != 'g') { continue; // for non-groups (eg. users), we stop here if we have no read-rights } // the further code is only for real users if (!is_numeric($user)) continue; // for groups we have to include the members if ($GLOBALS['egw']->accounts->get_type($user) == 'g') { $members = $GLOBALS['egw']->accounts->members($user, true); if (is_array($members)) { foreach($members as $member) { // use only members which gave the user a read-grant if (!in_array($member, $users) && $this->check_perms(Acl::READ|self::ACL_FREEBUSY, 0, $member)) { $users[] = $member; } } } } else // for users we have to include all the memberships, to get the group-events { $memberships = $GLOBALS['egw']->accounts->memberships($user, true); if (is_array($memberships)) { foreach($memberships as $group) { if (!in_array($group, $users)) { $users[] = $group; } } } } } if ($filter != 'master' && ($filter != 'exact' || empty($event['uid']))) { if (!empty($event['whole_day'])) { if ($filter == 'relax') { $delta = 1800; } else { $delta = 60; } // check length with some tolerance $length = $event['end'] - $event['start'] - $delta; $query[] = ('(cal_end-cal_start)>' . $length); $length += 2 * $delta; $query[] = ('(cal_end-cal_start)<' . $length); $query[] = ('cal_start>' . ($event['start'] - 86400)); $query[] = ('cal_start<' . ($event['start'] + 86400)); } elseif (isset($event['start'])) { if ($filter == 'relax') { $query[] = ('cal_start>' . ($event['start'] - 3600)); $query[] = ('cal_start<' . ($event['start'] + 3600)); } else { // we accept a tiny tolerance $query[] = ('cal_start>' . ($event['start'] - 2)); $query[] = ('cal_start<' . ($event['start'] + 2)); } } if ($filter == 'relax') { $matchFields = array(); } else { $matchFields = array('priority', 'public'); } foreach ($matchFields as $key) { if (isset($event[$key])) $query['cal_'.$key] = $event[$key]; } } if (!empty($event['uid'])) { $query['cal_uid'] = $event['uid']; if ($this->log) { error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. '(' . $event['uid'] . ")[EventUID]\n",3,$this->logfile); } } if ($this->log) { error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. '[QUERY]: ' . array2string($query)."\n",3,$this->logfile); } if (!count($users) || !($foundEvents = $this->so->search(null, null, $users, 0, 'owner', false, 0, array('query' => $query)))) { if ($this->log) { error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. "[NO MATCH]\n",3,$this->logfile); } return $matchingEvents; } $pseudos = array(); foreach($foundEvents as $egwEvent) { if ($this->log) { error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. '[FOUND]: ' . array2string($egwEvent)."\n",3,$this->logfile); } if (in_array($egwEvent['id'], $matchingEvents)) continue; // convert timezone id of event to tzid (iCal id like 'Europe/Berlin') if (!$egwEvent['tz_id'] || !($egwEvent['tzid'] = calendar_timezones::id2tz($egwEvent['tz_id']))) { $egwEvent['tzid'] = Api\DateTime::$server_timezone->getName(); } if (!isset(self::$tz_cache[$egwEvent['tzid']])) { self::$tz_cache[$egwEvent['tzid']] = calendar_timezones::DateTimeZone($egwEvent['tzid']); } if (!$event['tzid']) { $event['tzid'] = Api\DateTime::$server_timezone->getName(); } if (!isset(self::$tz_cache[$event['tzid']])) { self::$tz_cache[$event['tzid']] = calendar_timezones::DateTimeZone($event['tzid']); } if (!empty($event['uid'])) { if ($filter == 'master') { // We found the master $matchingEvents = array($egwEvent['id']); break; } if ($filter == 'exact') { // UID found if (empty($event['recurrence'])) { $egwstart = new Api\DateTime($egwEvent['start'], Api\DateTime::$server_timezone); $egwstart->setTimezone(self::$tz_cache[$egwEvent['tzid']]); $dtstart = new Api\DateTime($event['start'], Api\DateTime::$server_timezone); $dtstart->setTimezone(self::$tz_cache[$event['tzid']]); if (empty($egwEvent['recur_type']) && empty($event['recur_type']) || !empty($egwEvent['recur_type']) && !empty($event['recur_type'])) { if (empty($egwEvent['recur_type']) && $egwstart->format('Ymd') == $dtstart->format('Ymd') || !empty($egwEvent['recur_type'])) { // We found an exact match $matchingEvents = array($egwEvent['id']); break; } else { $matchingEvents[] = $egwEvent['id']; } } continue; } elseif ($egwEvent['recurrence'] == $event['recurrence']) { // We found an exact match $matchingEvents = array($egwEvent['id']); break; } if (!empty($egwEvent['recur_type']) && empty($event['recur_type']) && !$egwEvent['recurrence'] && $event['recurrence']) { $exceptions = $this->so->get_recurrence_exceptions($egwEvent, $event['tzid']); if (in_array($event['recurrence'], $exceptions)) { // We found a pseudo exception $matchingEvents = array($egwEvent['id'] . ':' . (int)$event['recurrence']); break; } } continue; } } // check times if ($filter != 'relax') { if (empty($event['whole_day'])) { if (abs($event['end'] - $egwEvent['end']) >= 120) { if ($this->log) { error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. "() egwEvent length does not match!\n",3,$this->logfile); } continue; } } else { if (!$this->so->isWholeDay($egwEvent)) { if ($this->log) { error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. "() egwEvent is not a whole-day event!\n",3,$this->logfile); } continue; } } } // check for real match $matchFields = array('title', 'description'); if ($filter != 'relax') { $matchFields[] = 'location'; } foreach ($matchFields as $key) { if (!empty($event[$key]) && (empty($egwEvent[$key]) || strpos(str_replace("\r\n", "\n", $egwEvent[$key]), $event[$key]) !== 0)) { if ($this->log) { error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. "() event[$key] differ: '" . $event[$key] . "' <> '" . $egwEvent[$key] . "'\n",3,$this->logfile); } continue 2; // next foundEvent } } if (is_array($event['category'])) { // check categories $egwCategories = explode(',', $egwEvent['category']); foreach ($egwCategories as $cat_id) { if ($this->categories->check_perms(Acl::READ, $cat_id) && !in_array($cat_id, $event['category'])) { if ($this->log) { error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. "() egwEvent category $cat_id is missing!\n",3,$this->logfile); } continue 2; } } $newCategories = array_diff($event['category'], $egwCategories); if (!empty($newCategories)) { if ($this->log) { error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. '() event has additional categories:' . array2string($newCategories)."\n",3,$this->logfile); } continue; } } if ($filter != 'relax') { // check participants if (is_array($event['participants'])) { foreach ($event['participants'] as $attendee => $status) { if (!isset($egwEvent['participants'][$attendee]) && $attendee != $egwEvent['owner']) // || //(!$relax && $egw_event['participants'][$attendee] != $status)) { if ($this->log) { error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. "() additional event['participants']: $attendee\n",3,$this->logfile); } continue 2; } else { unset($egwEvent['participants'][$attendee]); } } // ORGANIZER and Groups may be missing unset($egwEvent['participants'][$egwEvent['owner']]); foreach ($egwEvent['participants'] as $attendee => $status) { if (is_numeric($attendee) && $attendee < 0) { unset($egwEvent['participants'][$attendee]); } } if (!empty($egwEvent['participants'])) { if ($this->log) { error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. '() missing event[participants]: ' . array2string($egwEvent['participants'])."\n",3,$this->logfile); } continue; } } } if (empty($event['recur_type'])) { if (!empty($egwEvent['recur_type'])) { // We found a pseudo Exception $pseudos[] = $egwEvent['id'] . ':' . $event['start']; continue; } } elseif ($filter != 'relax') { // check exceptions // $exceptions[$remote_ts] = $egw_ts $exceptions = $this->so->get_recurrence_exceptions($egwEvent, $event['$tzid'], 0, 0, 'map'); if (is_array($event['recur_exception'])) { foreach ($event['recur_exception'] as $key => $day) { if (isset($exceptions[$day])) { unset($exceptions[$day]); } else { if ($this->log) { error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. "() additional event['recur_exception']: $day\n",3,$this->logfile); } continue 2; } } if (!empty($exceptions)) { if ($this->log) { error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. '() missing event[recur_exception]: ' . array2string($event['recur_exception'])."\n",3,$this->logfile); } continue; } } // check recurrence information foreach (array('recur_type', 'recur_interval', 'recur_enddate') as $key) { if (isset($event[$key]) && $event[$key] != $egwEvent[$key]) { if ($this->log) { error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. "() events[$key] differ: " . $event[$key] . ' <> ' . $egwEvent[$key]."\n",3,$this->logfile); } continue 2; } } } $matchingEvents[] = $egwEvent['id']; // exact match } if ($filter == 'exact' && !empty($event['uid']) && count($matchingEvents) > 1 || $filter != 'master' && !empty($egwEvent['recur_type']) && empty($event['recur_type'])) { // Unknown exception for existing series if ($this->log) { error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. "() new exception for series found.\n",3,$this->logfile); } $matchingEvents = array(); } // append pseudos as last entries $matches = array_merge($matchingEvents, $pseudos); if ($this->log) { error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. '[MATCHES]:' . array2string($matches)."\n",3,$this->logfile); } return $matches; } /** * classifies an incoming event from the eGW point-of-view * * exceptions: unlike other calendar apps eGW does not create an event exception * if just the participant state changes - therefore we have to distinguish between * real exceptions and status only exceptions * * @param array $event the event to check * * @return array * type => * SINGLE a single event * SERIES-MASTER the series master * SERIES-EXCEPTION event is a real exception * SERIES-PSEUDO-EXCEPTION event is a status only exception * SERIES-EXCEPTION-PROPAGATE event was a status only exception in the past and is now a real exception * stored_event => if event already exists in the database array with event data or false * master_event => for event type SERIES-EXCEPTION, SERIES-PSEUDO-EXCEPTION or SERIES-EXCEPTION-PROPAGATE * the corresponding series master event array * NOTE: this param is false if event is of type SERIES-MASTER */ function get_event_info(&$event) { $type = 'SINGLE'; // default $master_event = false; //default $stored_event = false; $recurrence_event = false; $wasPseudo = false; if (($foundEvents = $this->find_event($event, 'exact'))) { // We found the exact match $eventID = array_shift($foundEvents); if (strstr($eventID, ':')) { $type = 'SERIES-PSEUDO-EXCEPTION'; $wasPseudo = true; list($eventID, $date) = explode(':', $eventID); $recur_date = $this->date2usertime($date); $stored_event = $this->read($eventID, $recur_date, false, 'server'); $master_event = $this->read($eventID, 0, false, 'server'); $recurrence_event = $stored_event; } else { $stored_event = $this->read($eventID, 0, false, 'server'); } if (!empty($stored_event['uid']) && empty($event['uid'])) { $event['uid'] = $stored_event['uid']; // restore the UID if it was not delivered } } if (!empty($event['recur_type'])) { $type = 'SERIES-MASTER'; } if ($type == 'SINGLE' && ($foundEvents = $this->find_event($event, 'master'))) { // SINGLE, SERIES-EXCEPTION OR SERIES-EXCEPTON-STATUS foreach ($foundEvents as $eventID) { // Let's try to find a related series if ($this->log) { error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. "()[MASTER]: $eventID\n",3,$this->logfile); } $type = 'SERIES-EXCEPTION'; if (($master_event = $this->read($eventID, 0, false, 'server'))) { if (isset($stored_event['id']) && $master_event['id'] != $stored_event['id']) { break; // this is an existing exception } elseif (isset($event['recurrence']) && in_array($event['recurrence'], $master_event['recur_exception'])) { $type = 'SERIES-PSEUDO-EXCEPTION'; // could also be a real one $recurrence_event = $master_event; $recurrence_event['start'] = $event['recurrence']; $recurrence_event['end'] -= $master_event['start'] - $event['recurrence']; break; } elseif (in_array($event['start'], $master_event['recur_exception'])) { $type='SERIES-PSEUDO-EXCEPTION'; // new pseudo exception? $recurrence_event = $master_event; $recurrence_event['start'] = $event['start']; $recurrence_event['end'] -= $master_event['start'] - $event['start']; break; } else { // try to find a suitable pseudo exception date // Checks are all in server time $egw_rrule = calendar_rrule::event2rrule($master_event, false, $GLOBALS['egw_info']['server']['server_timezone']); $egw_rrule->current = clone $egw_rrule->time; while ($egw_rrule->valid()) { $occurrence = Api\DateTime::to($egw_rrule->current(), 'server'); if ($this->log) { error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. '() try occurrence ' . $egw_rrule->current() . " ($occurrence)\n",3,$this->logfile); } if ($event['start'] == $occurrence) { $type = 'SERIES-PSEUDO-EXCEPTION'; // let's try a pseudo exception $recurrence_event = $master_event; // Update the event's recurrence too $recurrence_event['start'] = $event['recurrence'] = $occurrence; $recurrence_event['end'] -= $master_event['start'] - $occurrence; break 2; } if (isset($event['recurrence']) && $event['recurrence'] == $occurrence) { $type = 'SERIES-EXCEPTION-PROPAGATE'; if ($stored_event) { unset($stored_event['id']); // signal the true exception $stored_event['recur_type'] = MCAL_RECUR_NONE; } break 2; } $egw_rrule->next_no_exception(); } } } } } // check pseudo exception propagation if ($recurrence_event) { // default if we cannot find a proof for a fundamental change // the recurrence_event is the master event with start and end adjusted to the recurrence // check for changed data foreach (array('start','end','uid','title','location','description', 'priority','public','special','non_blocking') as $key) { if (!empty($event[$key]) && $recurrence_event[$key] != $event[$key]) { if ($wasPseudo) { // We started with a pseudo exception $type = 'SERIES-EXCEPTION-PROPAGATE'; } else { $type = 'SERIES-EXCEPTION'; } if ($stored_event) { unset($stored_event['id']); // signal the true exception $stored_event['recur_type'] = MCAL_RECUR_NONE; } break; } } // the event id here is always the id of the master event // unset it to prevent confusion of stored event and master event unset($event['id']); } // check ACL if (is_array($master_event)) { $acl_edit = $this->check_perms(Acl::EDIT, $master_event['id']); } else { if (is_array($stored_event)) { $acl_edit = $this->check_perms(Acl::EDIT, $stored_event['id']); } else { $acl_edit = true; // new event } } return array( 'type' => $type, 'acl_edit' => $acl_edit, 'stored_event' => $stored_event, 'master_event' => $master_event, ); } /** * Translates all timestamps for a given event from server-time to user-time. * The update() and save() methods expect timestamps in user-time. * @param &$event the event we are working on * */ function server2usertime (&$event) { // we run all dates through date2usertime, to adjust to user-time foreach(array('start','end','recur_enddate','recurrence') as $ts) { // we convert here from server-time to timestamps in user-time! if (isset($event[$ts])) $event[$ts] = $event[$ts] ? $this->date2usertime($event[$ts]) : 0; } // same with the recur exceptions and rdates foreach(['recur_exception', 'recur_rdates'] as $name) { foreach($event[$name] ?? [] as $n => $date) { $event[$name][$n] = $this->date2usertime($date); } } // same with the alarms if (isset($event['alarm']) && is_array($event['alarm'])) { foreach($event['alarm'] as $id => $alarm) { $event['alarm'][$id]['time'] = $this->date2usertime($alarm['time'] ?? null); } } } /** * Delete events that are more than $age years old * * Purges old events from the database * * @param int|float $age How many years old the event must be before it is deleted */ function purge($age) { if (is_numeric($age) && $age > 0) // just make sure bogus values dont delete everything { $this->so->purge(time() - 365*24*3600*(float)$age); } } /** * Check to see if we need to reset the status of any of the participants * - Current user is never reset * - Other users we respect their preference * - Non-users status is always reset * * @param Array $event New event * @param Array $old_event Event before modification * * @return boolean true if any statuses were reset */ protected function check_reset_statuses(&$event, $old_event) { // Event passed is still in user time at this point, convert to servertime for // comparison, but don't modify it in event if(!$old_event || !is_array($old_event) || $this->date2ts($event['start'],true) == $old_event['start']) { return false; } $status_reset = false; $sameday = (date('Ymd', $old_event['start']) == date('Ymd', $event['start'])); foreach((array)$event['participants'] as $uid => $status) { $q = $r = null; calendar_so::split_status($status, $q, $r); if($uid == $this->user || $status == 'U') { continue; } if(is_int($uid)) { // Just user accounts $preferences = new Api\Preferences($uid); } else { // For non-users, use the owner's preference $preferences = new Api\Preferences($event['owner']); } $part_prefs = $preferences->read_repository(); switch($part_prefs['calendar']['reset_stati']) { case 'no': break; case 'startday': if($sameday) { break; } default: $status_reset = true; $event['participants'][$uid] = calendar_so::combine_status('U', $q, $r); } } return $status_reset; } }