* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License * @package api * @subpackage link * @version $Id$ */ include_once(EGW_API_INC . '/class.solink.inc.php'); /** * generalized linking between entries of eGroupware apps - BO layer * * The BO-layer implementes some extra features on top of the so-layer: * 1) It handles links to not already existing entries. This is used by the eTemplate link-widget, which allows to * setup links even for new / not already existing entries, before they get saved. * In that case you have to set the first id to 0 for the link-function and pass the array returned in that id * (not the return-value) after saveing your new entry again to the link function. * 2) Attaching files: they are saved in the vfs and not the link-table (!). * Attached files are stored under $vfs_basedir='/infolog' in the vfs! * 3) It manages the link-registry, in which apps can register themselfs by implementing some hooks * 4) It notifies apps, who registered for that service, about changes in the links their entries */ class bolink extends solink { /** * other apps can participate in the linking by implementing a 'search_link' hook, which * has to return an array in the format of an app_register entry below * * @var array */ var $app_register = array( 'projects' => array( 'query' => 'projects_query', 'title' => 'projects_title', 'view' => array ( 'menuaction' => 'projects.uiprojects.view_project' ), 'view_id' => 'project_id' ), 'felamimail' => array( 'add' => array( 'menuaction' => 'felamimail.uicompose.compose', ), 'add_popup' => '700x750', ), /* 'email' => array( 'view' => array( 'menuaction' => 'email.uimessage.message' ), 'view_id' => 'msgball[acctnum:folder:msgnum]' // id is a tupple/array, fields separated by ':' ), */ ); var $public_functions = array( // functions callable via menuaction 'get_file' => True ); /** * Instance of the vfs class * * @var vfs */ var $vfs; var $vfs_basedir='/infolog'; var $vfs_appname='file'; // pseudo-appname for own file-attachments in vfs, this is NOT the vfs-app var $valid_pathes = array(); var $send_file_ips = array(); /** * Caches link titles for a better performance * * @var array */ var $title_cache = array(); /** * constructor */ function bolink( ) { $this->solink( ); // call constructor of derived class $this->vfs =& CreateObject('phpgwapi.vfs'); $this->link_pathes = $GLOBALS['egw_info']['server']['link_pathes']; $this->send_file_ips = $GLOBALS['egw_info']['server']['send_file_ips']; // other apps can participate in the linking by implementing a search_link hook, which // has to return an array in the format of an app_register entry // for performance reasons, we do it only once / cache it in the session if (!($search_link_hooks = $GLOBALS['egw']->session->appsession('search_link_hooks','phpgwapi'))) { $search_link_hooks = $GLOBALS['egw']->hooks->process('search_link'); $GLOBALS['egw']->session->appsession('search_link_hooks','phpgwapi',$search_link_hooks); } if (is_array($search_link_hooks)) { foreach($search_link_hooks as $app => $data) { if (is_array($data)) { $this->app_register[$app] = $data; } } } if (!($this->title_cache = $GLOBALS['egw']->session->appsession('link_title_cache','phpgwapi'))) $this->title_cache = array(); } /** * Called by egw::egw_final to store the title-cache in the session * */ function save_session_cache() { $GLOBALS['egw']->session->appsession('link_title_cache','phpgwapi',$this->title_cache); } /** * creats a link between $app1,$id1 and $app2,$id2 - $id1 does NOT need to exist yet * * Does NOT check if link already exists. * File-attachments return a negative link-id !!! * * @param string $app1 app of $id1 * @param string/array &$id1 id of item to linkto or 0 if item not yet created or array with links * of not created item or $file-array if $app1 == $this->vfs_appname (see below). * If $id==0 it will be set on return to an array with the links for the new item. * @param string/array $app2 app of 2.linkend or array with links ($id2 not used) * @param string $id2='' id of 2. item of $file-array if $app2 == $this->vfs_appname (see below)
* $file array with informations about the file in format of the etemplate file-type
* $file['name'] name of the file (no directory)
* $file['type'] mine-type of the file
* $file['tmp_name'] name of the uploaded file (incl. directory)
* $file['path'] path of the file on the client computer
* $file['ip'] of the client (path and ip in $file are only needed if u want a symlink (if possible)) * @param string $remark='' Remark to be saved with the link (defaults to '') * @param int $owner=0 Owner of the link (defaults to user) * @param int $lastmod=0 timestamp of last modification (defaults to now=time()) * @param int $no_notify=0 &1 dont notify $app1, &2 dont notify $app2 * @return int/boolean False (for db or param-error) or on success link_id (Please not the return-value of $id1) */ function link( $app1,&$id1,$app2,$id2='',$remark='',$owner=0,$lastmod=0,$no_notify=0 ) { if ($this->debug) { echo "

bolink.link('$app1',$id1,'".print_r($app2,true)."',".print_r($id2,true).",'$remark',$owner,$lastmod)

\n"; } if (!$app1 || !$app2 || $app1 == $app2 && $id1 == $id2) { return False; } if (is_array($id1) || !$id1) // create link only in $id1 array { if (!is_array($id1)) { $id1 = array( ); } $link_id = $this->temp_link_id($app2,$id2); $id1[$link_id] = array( 'app' => $app2, 'id' => $id2, 'remark' => $remark, 'owner' => $owner, 'link_id' => $link_id, 'lastmod' => time() ); if ($this->debug) { _debug_array($id1); } return $link_id; } if (is_array($app2) && !$id2) { reset($app2); $link_id = True; while ($link_id && list(,$link) = each($app2)) { if (!is_array($link)) // check for unlink-marker { //echo "link='$link' is no array
\n"; continue; } if ($link['app'] == $this->vfs_appname) { $link_id = $this->attach_file($app1,$id1,$link['id'],$link['remark']); } else { $link_id = solink::link($app1,$id1,$link['app'],$link['id'], $link['remark'],$link['owner'],$link['lastmod']); // notify both sides if (!($no_notify&2)) $this->notify('link',$link['app'],$link['id'],$app1,$id1,$link_id); if (!($no_notify&1)) $this->notify('link',$app1,$id1,$link['app'],$link['id'],$link_id); } } return $link_id; } if ($app1 == $this->vfs_appname) { return $this->attach_file($app2,$id2,$id1,$remark); } elseif ($app2 == $this->vfs_appname) { return $this->attach_file($app1,$id1,$id2,$remark); } $link_id = solink::link($app1,$id1,$app2,$id2,$remark,$owner); if (!($no_notify&2)) $this->notify('link',$app2,$id2,$app1,$id1,$link_id); if (!($no_notify&1)) $this->notify('link',$app1,$id1,$app2,$id2,$link_id); return $link_id; } /** * generate temporary link_id used as array-key * * @param string $app app-name * @param mixed $id * @return string */ function temp_link_id($app,$id) { return $app.':'.($app != $this->vfs_appname ? $id : $id['name']); } /** * returns array of links to $app,$id (reimplemented to deal with not yet created items) * * @param string $app appname * @param string/array $id id of entry in $app or array of links if entry not yet created * @param string $only_app if set return only links from $only_app (eg. only addressbook-entries) or NOT from if $only_app[0]=='!' * @param string $order='link_lastmod DESC' defaults to newest links first * @return array of links or empty array if no matching links found */ function get_links( $app,$id,$only_app='',$order='link_lastmod DESC' ) { //echo "

bolink::get_links(app='$app',id='$id',only_app='$only_app',order='$order')

\n"; if (is_array($id) || !$id) { $ids = array(); if (is_array($id)) { if ($not_only = $only_app[0]) { $only_app = substr(1,$only_app); } end($id); foreach (array_reverse($id) as $link) { if (is_array($link) // check for unlink-marker && !($only_app && $not_only == ($link['app'] == $only_app))) { $ids[$link['link_id']] = $only_app ? $link['id'] : $link; } } # the old version of the foreach from above # left here for reference. can be deleted later # #while ($link = current($id)) #{ # if (!is_array($link) || // check for unlink-marker # $only_app && $not_only == ($link['app'] == $only_app)) # { # continue; # } # $ids[$link['link_id']] = $only_app ? $link['id'] : $link; # prev($id); #} } return $ids; } $ids = solink::get_links($app,$id,$only_app,$order); if (empty($only_app) || $only_app == $this->vfs_appname || ($only_app[0] == '!' && $only_app != '!'.$this->vfs_appname)) { if ($vfs_ids = $this->list_attached($app,$id)) { $ids += $vfs_ids; } } //echo "ids=
"; print_r($ids); echo "
\n"; return $ids; } /** * Read one link specified by it's link_id or by the two end-points * * If $id is an array (links not yet created) only link_ids are allowed. * * @param int/string $app_link_id > 0 link_id of link or app-name of link * @param string/array $id='' id if $app_link_id is an appname or array with links, if 1. entry not yet created * @param string $app2='' second app * @param string $id2='' id in $app2 * @return array with link-data or False */ function get_link($app_link_id,$id='',$app2='',$id2='') { if (is_array($id)) { if (strpos($app_link_id,':') === false) $app_link_id = $this->temp_link_id($app2,$id2); // create link_id of temporary link, if not given if (isset($id[$app_link_id]) && is_array($id[$app_link_id])) // check for unlinked-marker { return $id[$app_link_id]; } return False; } if (intval($app_link_id) < 0 || $app_link_id == $this->vfs_appname || $app2 == $this->vfs_appname) { if (intval($app_link_id) < 0) // vfs link_id ? { return $this->fileinfo2link(-$app_link_id); } if ($app_link_id == $this->vfs_appname) { return $this->info_attached($app2,$id2,$id); } return $this->info_attached($app_link_id,$id,$id2); } return solink::get_link($app_link_id,$id,$app2,$id2); } /** * Remove link with $link_id or all links matching given $app,$id * * Note: if $link_id != '' and $id is an array: unlink removes links from that array only * unlink has to be called with &$id to see the result (depricated) or unlink2 has to be used !!! * * @param $link_id link-id to remove if > 0 * @param string $app='' appname of first endpoint * @param string/array $id='' id in $app or array with links, if 1. entry not yet created * @param string $app2='' app of second endpoint * @param string $id2='' id in $app2 * @return the number of links deleted */ function unlink($link_id,$app='',$id='',$owner='',$app2='',$id2='') { return $this->unlink2($link_id,$app,$id,$owner,$app2,$id2); } /** * Remove link with $link_id or all links matching given $app,$id * * @param $link_id link-id to remove if > 0 * @param string $app='' appname of first endpoint * @param string/array &$id='' id in $app or array with links, if 1. entry not yet created * @param string $app2='' app of second endpoint, or !file (other !app are not yet supported!) * @param string $id2='' id in $app2 * @return the number of links deleted */ function unlink2($link_id,$app,&$id,$owner='',$app2='',$id2='') { if ($this->debug) { echo "

bolink::unlink('$link_id','$app','$id','$owner','$app2','$id2')

\n"; } if ($link_id < 0) // vfs-link? { return $this->delete_attached(-$link_id); } elseif ($app == $this->vfs_appname) { return $this->delete_attached($app2,$id2,$id); } elseif ($app2 == $this->vfs_appname) { return $this->delete_attached($app,$id,$id2); } if (!is_array($id)) { if (!$link_id && !$app2 && !$id2 && $app2 != '!'.$this->vfs_appname) { $this->delete_attached($app,$id); // deleting all attachments unset($this->title_cache[$app.':'.$id]); } $deleted =& solink::unlink($link_id,$app,$id,$owner,$app2 != '!'.$this->vfs_appname ? $app2 : '',$id2); // only notify on real links, not the one cached for writing or fileattachments $this->notify_unlink($deleted); return count($deleted); } if (!$link_id) $link_id = $this->temp_link_id($app2,$id2); // create link_id of temporary link, if not given if (isset($id[$link_id])) { $id[$link_id] = False; // set the unlink marker if ($this->debug) { _debug_array($id); } return True; } return False; } /** * get list/array of link-aware apps the user has rights to use * * @param string $must_support capability the apps need to support, eg. 'add', default ''=list all apps * @return array with app => title pairs */ function app_list($must_support='') { $apps = array(); foreach($this->app_register as $app => $reg) { if ($must_support && !isset($reg[$must_support])) continue; if ($GLOBALS['egw_info']['user']['apps'][$app]) { $apps[$app] = $GLOBALS['egw_info']['apps'][$app]['title']; } } return $apps; } /** * Searches for a $pattern in the entries of $app * * @param string $app app to search * @param string $pattern pattern to search * @return array with $id => $title pairs of matching entries of app */ function query($app,$pattern) { if ($app == '' || !is_array($reg = $this->app_register[$app]) || !isset($reg['query'])) { return array(); } $method = $reg['query']; if ($this->debug) { echo "

bolink.query('$app','$pattern') => '$method'

\n"; } return strchr($method,'.') ? ExecMethod($method,$pattern) : $this->$method($pattern); } /** * returns the title (short description) of entry $id and $app * * @param string $app appname * @param string $id id in $app * @param array $link=null link-data for file-attachments * @return string/boolean string with title, null if $id does not exist in $app or false if no perms to view it */ function title($app,$id,$link=null) { if ($this->debug) { echo "

bolink::title('$app','$id')

\n"; } if (!$id) return ''; if (isset($this->title_cache[$app.':'.$id])) { return $this->title_cache[$app.':'.$id]; } if ($app == $this->vfs_appname) { if (is_array($id) && $link) { $link = $id; $id = $link['name']; } if (is_array($link)) { $size = $link['size']; if ($size_k = intval($size / 1024)) { if (intval($size_k / 1024)) { $size = sprintf('%3.1dM',doubleval($size_k)/1024.0); } else { $size = $size_k.'k'; } } $extra = ': '.$link['type'] . ' '.$size; } return $this->title_cache[$app.':'.$id] = $id.$extra; } if ($app == '' || !is_array($reg = $this->app_register[$app]) || !isset($reg['title'])) { return array(); } $method = $reg['title']; $title = strchr($method,'.') ? ExecMethod($method,$id) : $this->$method($id); if ($id && is_null($title)) // $app,$id has been deleted ==> unlink all links to it { $this->unlink(0,$app,$id); return False; } return $this->title_cache[$app.':'.$id] = $title; } /** * Add new entry to $app, evtl. already linked to $to_app, $to_id * * @param string $app appname of entry to create * @param string $to_app appname to link the new entry to * @param string $to_id id in $to_app * @return array/boolean with name-value pairs for link to add-methode of $app or false if add not supported */ function add($app,$to_app='',$to_id='') { //echo "

bolink::add('$app','$to_app','$to_id') app_register[$app] ="; _debug_array($app_register[$app]); if ($app == '' || !is_array($reg = $this->app_register[$app]) || !isset($reg['add'])) { return false; } $params = $reg['add']; if ($reg['add_app'] && $to_app && $reg['add_id'] && $to_id) { $params[$reg['add_app']] = $to_app; $params[$reg['add_id']] = $to_id; } return $params; } /** * view entry $id of $app * * @param string $app appname * @param string $id id in $app * @param array $link=null link-data for file-attachments * @return array with name-value pairs for link to view-methode of $app to view $id */ function view($app,$id,$link=null) { if ($app == $this->vfs_appname && !empty($id) && is_array($link)) { return $this->get_file($link); } if ($app == '' || !is_array($reg = $this->app_register[$app]) || !isset($reg['view']) || !isset($reg['view_id'])) { return array(); } $view = $reg['view']; $names = explode(':',$reg['view_id']); if (count($names) > 1) { $id = explode(':',$id); while (list($n,$name) = each($names)) { $view[$name] = $id[$n]; } } else { $view[$reg['view_id']] = $id; } return $view; } /** * Check if $app uses a popup for $action * * @param string $app app-name * @param string $action='view' name of the action, atm. 'view' or 'add' * @return boolean/string false if no popup is used or $app is not registered, otherwise string with the prefered popup size (eg. '640x400) */ function is_popup($app,$action='view') { if (!($reg = $this->app_register[$app]) || !$reg[$action.'_popup']) { return false; } return $reg[$action.'_popup']; } function get_file($link='') { if (is_array($link)) { return array( 'menuaction' => 'phpgwapi.bolink.get_file', 'app' => $link['app2'], 'id' => $link['id2'], 'filename' => $link['id'] ); } $app = get_var('app','GET'); $id = get_var('id','GET'); $filename = get_var('filename','GET'); if (empty($app) || empty($id) || empty($filename) || !$this->title($app,$id)) { $GLOBALS['egw_info']['flags']['nonavbar'] = false; $GLOBALS['egw']->common->egw_header(); echo '

'.lang('Access not permitted')." !!!

\n"; $GLOBALS['egw']->common->egw_footer(); $GLOBALS['egw']->common->egw_exit(); } $browser =& CreateObject('phpgwapi.browser'); $local = $this->attached_local($app,$id,$filename,$_SERVER['REMOTE_ADDR'],$browser->is_windows()); if ($local) { Header('Location: ' . $local); } else { $info = $this->info_attached($app,$id,$filename); $browser->content_header($filename,$info['type']); echo $this->read_attached($app,$id,$filename); } $GLOBALS['egw']->common->egw_exit(); } /** * path to the attached files of $app/$ip or the directory for $app if no $id,$file given * * All link-files are based in the vfs-subdir '/infolog'. For other apps * separate subdirs with name app are created. * * @param string $app appname * @param string $id='' id in $app * @param string $file='' filename * @param boolean/array $relatives=False return path as array with path in string incl. relatives * @return string/array path or array with path and relatives, depending on $relatives */ function vfs_path($app,$id='',$file='',$relatives=False) { $path = $this->vfs_basedir . ($app == '' || $app == 'infolog' ? '' : '/'.$app) . ($id != '' ? '/' . $id : '') . ($file != '' ? '/' . $file : ''); if ($this->debug) { echo "

bolink::vfs_path('$app','$id','$file') = '$path'

\n"; } return $relatives ? array( 'string' => $path, 'relatives' => is_array($relatives) ? $relatives : array($relatives) ) : $path; } /** * Put a file to the corrosponding place in the VFS and set the attributes * * @param string $app appname to linke the file to * @param string $id id in $app * @param array $file informations about the file in format of the etemplate file-type * $file['name'] name of the file (no directory) * $file['type'] mine-type of the file * $file['tmp_name'] name of the uploaded file (incl. directory) * $file['path'] path of the file on the client computer * $file['ip'] of the client (path and ip are only needed if u want a symlink (if possible)) * @param string $comment='' comment to add to the link * @return int negative id of phpgw_vfs table as negative link-id's are for vfs attachments */ function attach_file($app,$id,$file,$comment='') { if ($this->debug) { echo "

attach_file: app='$app', id='$id', tmp_name='$file[tmp_name]', name='$file[name]', size='$file[size]', type='$file[type]', path='$file[path]', ip='$file[ip]', comment='$comment'

\n"; } // create the root for attached files in infolog, if it does not exists $vfs_data = array('string'=>$this->vfs_basedir,'relatives'=>array(RELATIVE_ROOT)); if (!($this->vfs->file_exists($vfs_data))) { $this->vfs->override_acl = 1; $this->vfs->mkdir($vfs_data); $this->vfs->override_acl = 0; } $vfs_data = $this->vfs_path($app,False,False,RELATIVE_ROOT); if (!($this->vfs->file_exists($vfs_data))) { $this->vfs->override_acl = 1; $this->vfs->mkdir($vfs_data); $this->vfs->override_acl = 0; } $vfs_data = $this->vfs_path($app,$id,False,RELATIVE_ROOT); if (!($this->vfs->file_exists($vfs_data))) { $this->vfs->override_acl = 1; $this->vfs->mkdir($vfs_data); $this->vfs->override_acl = 0; } $fname = $this->vfs_path($app,$id,$file['name']); $tfname = ''; if (!empty($file['path']) && is_array($this->link_pathes) && count($this->link_pathes)) { $file['path'] = str_replace('\\\\','/',$file['path']); // vfs uses only '/' @reset($this->link_pathes); while ((list($valid,$trans) = @each($this->link_pathes)) && !$tfname) { // check case-insensitive for WIN etc. $check = $valid[0] == '\\' || strpos(':',$valid) !== false ? 'eregi' : 'ereg'; $valid2 = str_replace('\\','/',$valid); //echo "

attach_file: ereg('".$this->send_file_ips[$valid]."', '$file[ip]')=".ereg($this->send_file_ips[$valid],$file['ip'])."

\n"; if ($check('^('.$valid2.')(.*)$',$file['path'],$parts) && ereg($this->send_file_ips[$valid],$file['ip']) && // right IP $this->vfs->file_exists(array('string'=>$trans.$parts[2],'relatives'=>array(RELATIVE_NONE|VFS_REAL)))) { $tfname = $trans.$parts[2]; } //echo "

attach_file: full_fname='$file[path]', valid2='$valid2', trans='$trans', check=$check, tfname='$tfname', parts=(x,'${parts[1]}','${parts[2]}')

\n"; } if ($tfname && !$this->vfs->securitycheck(array('string'=>$tfname))) { return False; //lang('Invalid filename').': '.$tfname; } } $this->vfs->override_acl = 1; $this->vfs->cp(array( 'symlink' => !!$tfname, // try a symlink 'from' => $tfname ? $tfname : $file['tmp_name'], 'to' => $fname, 'relatives' => array(RELATIVE_NONE|VFS_REAL,RELATIVE_ROOT), )); $this->vfs->set_attributes(array( 'string' => $fname, 'relatives' => array (RELATIVE_ROOT), 'attributes' => array ( 'mime_type' => $file['type'], 'comment' => stripslashes ($comment), 'app' => $app ))); $this->vfs->override_acl = 0; $link = $this->info_attached($app,$id,$file['name']); return is_array($link) ? $link['link_id'] : False; } /** * deletes an attached file * * @param int/string $app > 0: file_id of an attchemnt or $app/$id entry which linked to * @param string $id='' id in app * @param string $fname filename */ function delete_attached($app,$id='',$fname = '') { if (intval($app) > 0) // is file_id { $link = $this->fileinfo2link($file_id=$app); $app = $link['app2']; $id = $link['id2']; $fname = $link['id']; } if ($this->debug) { echo "

bolink::delete_attached('$app','$id','$fname') file_id=$file_id

\n"; } if (empty($app) || empty($id)) { return False; // dont delete more than all attachments of an entry } $vfs_data = $this->vfs_path($app,$id,$fname,RELATIVE_ROOT); $Ok = false; if ($this->vfs->file_exists($vfs_data)) { $this->vfs->override_acl = 1; $Ok = $this->vfs->delete($vfs_data); $this->vfs->override_acl = 0; } // if filename given (and now deleted) check if dir is empty and remove it in that case if ($fname && !count($this->vfs->ls($vfs_data=$this->vfs_path($app,$id,'',RELATIVE_ROOT)))) { $this->vfs->override_acl = 1; $this->vfs->delete($vfs_data); $this->vfs->override_acl = 0; } return $Ok; } /** * converts the infos vfs has about a file into a link * * @param string $app appname * @param string $id id in app * @param string $filename filename * @return array 'kind' of link-array */ function info_attached($app,$id,$filename) { $this->vfs->override_acl = 1; $attachments = $this->vfs->ls($this->vfs_path($app,$id,$filename,RELATIVE_NONE)); $this->vfs->override_acl = 0; if (!count($attachments) || !$attachments[0]['name']) { return False; } return $this->fileinfo2link($attachments[0]); } /** * converts a fileinfo (row in the vfs-db-table) in a link * * @param array/int $fileinfo a row from the vfs-db-table (eg. returned by the vfs ls function) or a file_id of that table * @return array a 'kind' of link-array */ function fileinfo2link($fileinfo) { if (!is_array($fileinfo)) { $fileinfo = $this->vfs->ls(array('file_id' => $fileinfo)); list(,$fileinfo) = each($fileinfo); if (!is_array($fileinfo)) { return False; } } $lastmod = $fileinfo[!empty($fileinfo['modified']) ? 'modified' : 'created']; list($y,$m,$d) = explode('-',$lastmod); $lastmod = mktime(0,0,0,$m,$d,$y); $dir_parts = array_reverse(explode('/',$fileinfo['directory'])); return array( 'app' => $this->vfs_appname, 'id' => $fileinfo['name'], 'app2' => $dir_parts[1], 'id2' => $dir_parts[0], 'remark' => $fileinfo['comment'], 'owner' => $fileinfo['owner_id'], 'link_id' => -$fileinfo['file_id'], 'lastmod' => $lastmod, 'size' => $fileinfo['size'], 'type' => $fileinfo['mime_type'] ); } /** * lists all attachments to $app/$id * * @param string $app appname * @param string $id id in app * @return array with link_id => 'kind' of link-array pairs */ function list_attached($app,$id) { $this->vfs->override_acl = 1; $attachments = $this->vfs->ls($this->vfs_path($app,$id,False,RELATIVE_ROOT)); $this->vfs->override_acl = 0; if (!count($attachments) || !$attachments[0]['name']) { return False; } foreach($attachments as $fileinfo) { $link = $this->fileinfo2link($fileinfo); $attached[$link['link_id']] = $link; } return $attached; } /** * checks if path starts with a '\\' or has a ':' in it * * @param string $path path to check * @return boolean true if windows path, false otherwise */ function is_win_path($path) { return $path{0} == '\\' || $path{1} == ':'; } /** * reads the attached file and returns the content * * @param string $app appname * @param string $id id in app * @param string $filename filename * @return string/boolean content of the attached file, null if $id not found, false if no view perms */ function read_attached($app,$id,$filename) { $ret = null; if (empty($app) || !$id || empty($filename) || !($ret = $this->title($app,$id))) { return $ret; } $this->vfs->override_acl = 1; $data = $this->vfs->read($this->vfs_path($app,$id,$filename,RELATIVE_ROOT)); $this->vfs->override_acl = 0; return $data; } /** * Checks if filename should be local availible and if so returns * * @param string $app appname * @param string $id id in app * @param string $filename filename * @param string $id ip-address of user * @param boolean $win_user true if user is on windows, otherwise false * @return string 'file:/path' for HTTP-redirect else return False */ function attached_local($app,$id,$filename,$ip,$win_user) { //echo "

attached_local(app=$app, id='$id', filename='$filename', ip='$ip', win_user='$win_user', count(send_file_ips)=".count($this->send_file_ips).")

\n"; if (!$id || !$filename || /* !$this->check_access($info_id,EGW_ACL_READ) || */ !count($this->send_file_ips)) { return False; } $link = $this->vfs->ls($this->vfs_path($app,$id,$filename,RELATIVE_ROOT)+array('readlink'=>True)); $link = @$link[0]['symlink']; if ($link && is_array($this->link_pathes)) { reset($this->link_pathes); $fname = ''; while ((list($valid,$trans) = each($this->link_pathes)) && !$fname) { if (!$this->is_win_path($valid) == !$win_user && // valid for this OS $win_user && // only for IE/windows atm eregi('^'.$trans.'(.*)$',$link,$parts) && // right path ereg($this->send_file_ips[$valid],$ip)) // right IP { $fname = $valid . $parts[1]; $fname = !$win_user ? str_replace('\\','/',$fname) : str_replace('/','\\',$fname); return 'file:'.($win_user ? '//' : '' ).$fname; } //echo "

attached_local: link=$link, valid=$valid, trans='$trans', fname='$fname', parts=(x,'${parts[1]}','${parts[2]}')

\n"; } } return False; } /** * reverse function of htmlspecialchars() * * @param string $str string to decode * @return string decoded string */ function decode_htmlspecialchars($str) { return str_replace(array('&','"','<','>'),array('&','"','<','>'),$str); } /** * get title for a project, should be moved to boprojects.link_title * * @param int/array $event project-id or already read project * @return string/boolean the title (number: title), null if project is not found or false if no perms to view it */ function projects_title( $proj ) { if (!is_object($this->boprojects)) { if (!file_exists(EGW_SERVER_ROOT.'/projects')) // check if projects installed { return false; } $this->boprojects = createobject('projects.boprojects'); } if (!is_array($proj)) { $proj = $this->boprojects->read_single_project( $proj ); } return is_array($proj) ? $proj['number'].': '.$proj['title'] : False; } /** * query for projects matching $pattern, should be moved to boprojects.link_query * * @param string $pattern pattern to search * @return array with id => title pairs of matching projects */ function projects_query( $pattern ) { if (!is_object($this->boprojects)) { if (!file_exists(EGW_SERVER_ROOT.'/projects')) // check if projects installed return array(); $this->boprojects = createobject('projects.boprojects'); } $projs = $this->boprojects->list_projects( array('action'=>'all','query'=>$pattern,'limit'=>FALSE) ); $content = array(); while ($projs && list( $key,$proj ) = each( $projs )) { $content[$proj['project_id']] = $this->projects_title($proj); } return $content; } /** * notify other apps about changed content in $app,$id * * @param string $app name of app in which the updated happend * @param string $id id in $app of the updated entry * @param array $data=null updated data of changed entry, as the read-method of the BO-layer would supply it */ function notify_update($app,$id,$data=null) { foreach($this->get_links($app,$id,'!'.$this->vfs_appname) as $link_id => $link) { $this->notify('update',$link['app'],$link['id'],$app,$id,$link_id,$data); } unset($this->title_cache[$app.':'.$id]); } /** * notify an application about a new or deleted links to own entries or updates in the content of the linked entry * * Please note: not all apps supply update notifications * * @internal * @param string $type 'link' for new links, 'unlink' for unlinked entries, 'update' of content in linked entries * @param string $notify_app app to notify * @param string $notify_id id in $notify_app * @param string $target_app name of app whos entry changed, linked or deleted * @param string $target_id id in $target_app * @param array $data=null data of entry in app2 (optional) */ function notify($type,$notify_app,$notify_id,$target_app,$target_id,$link_id,$data=null) { if ($link_id && isset($this->app_register[$notify_app]) && isset($this->app_register[$notify_app]['notify'])) { ExecMethod($this->app_register[$notify_app]['notify'],array( 'type' => $type, 'id' => $notify_id, 'target_app' => $target_app, 'target_id' => $target_id, 'link_id' => $link_id, 'data' => $data, )); } } /** * notifies about unlinked links * * @internal * @param array &$links unlinked links from the database */ function notify_unlink(&$links) { foreach($links as $link) { // we notify both sides of the link, as the unlink command NOT clearly knows which side initiated the unlink $this->notify('unlink',$link['link_app1'],$link['link_id1'],$link['link_app2'],$link['link_id2'],$link['link_id']); $this->notify('unlink',$link['link_app2'],$link['link_id2'],$link['link_app1'],$link['link_id1'],$link['link_id']); } } }