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egroupware_official/phpgwapi/inc/class.bolink.inc.php
Ralf Becker e665bbad9d quitend a debug message
2005-11-13 18:22:06 +00:00

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<?php
/**************************************************************************\
* eGroupWare - eGroupWare Interapplication Links *
* http://www.egroupware.org *
* Written by Ralf Becker <RalfBecker@outdoor-training.de> *
* -------------------------------------------- *
* This program is free software; you can redistribute it and/or modify it *
* under the terms of the GNU General Public License as published by the *
* Free Software Foundation; either version 2 of the License, or (at your *
* option) any later version. *
\**************************************************************************/
/* $Id$ */
include_once(EGW_API_INC . '/class.solink.inc.php');
/**
* generalized linking between entries of eGroupware apps - BO layer
*
* Links have two ends each pointing to an entry, each entry is a double:
* - app app-name or directory-name of an egw application, eg. 'infolog'
* - id this is the id, eg. an integer or a tupple like '0:INBOX:1234'
*
* The BO-layer implementes 2 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!
*
* @package api
* @subpackage link
* @author Ralf Becker <RalfBecker@outdoor-training.de>
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
*/
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 $app_register
*/
var $app_register = array(
'addressbook' => array(
'query' => 'addressbook_query',
'title' => 'addressbook_title',
'view' => array(
'menuaction' => 'addressbook.uicontacts.view'
),
'view_id' => 'contact_id',
//'view_popup' => '800x600',
),
'projects' => array(
'query' => 'projects_query',
'title' => 'projects_title',
'view' => array (
'menuaction' => 'projects.uiprojects.view_project'
),
'view_id' => 'project_id'
),
/*
'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
);
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();
/**
* 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;
}
}
}
}
/**
* 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)<br>
* $file array with informations about the file in format of the etemplate file-type<br>
* $file['name'] name of the file (no directory)<br>
* $file['type'] mine-type of the file<br>
* $file['tmp_name'] name of the uploaded file (incl. directory)<br>
* $file['path'] path of the file on the client computer<br>
* $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 ($this->debug)
{
echo "<p>bolink.link('$app1',$id1,'".print_r($app2,true)."',".print_r($id2,true).",'$remark',$owner,$lastmod)</p>\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 = $app2 != $this->vfs_appname ? "$app2:$id2" : "$app2:$id2[name]";
$id1[$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($link)) // check for unlink-marker
{
//echo "<b>link='$link' is no array</b><br>\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;
}
/**
* 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 "<p>bolink::get_links(app='$app',id='$id',only_app='$only_app',order='$order')</p>\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($id);
while ($link = current($id))
{
if (!is_array($link) || // check for unlink-marker
$only_app && $not_only == ($link['app'] == $only_app))
{
continue;
}
$ids[$link['link_id']] = $link;
prev($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 += $vfs_ids;
}
}
//echo "ids=<pre>"; print_r($ids); echo "</pre>\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 (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
* @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 "<p>bolink::unlink('$link_id','$app','$id','$owner','$app2','$id2')</p>\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)
{
$this->delete_attached($app,$id); // deleting all attachments
}
$deleted =& solink::unlink($link_id,$app,$id,$owner,$app2,$id2);
// only notify on real links, not the one cached for writing or fileattachments
$this->notify_unlink($deleted);
return count($deleted);
}
if (isset($id[$link_id]))
{
$id[$link_id] = False; // set the unlink marker
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 "<p>bolink.query('$app','$pattern') => '$method'</p>\n";
}
return strchr($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 the title or false if $id does not exist in $app
*/
function title($app,$id,$link=null)
{
if ($this->debug)
{
echo "<p>bolink::title('$app','$id')</p>\n";
}
if ($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 $id.$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 && !$title) // $app,$id has been deleted ==> unlink als links to it
{
$this->unlink(0,$app,$id);
return False;
}
return $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 "<p>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) /* || !$this->bo->check_access($info_id,EGW_ACL_READ)*/)
{
$GLOBALS['egw']->redirect_link('/');
}
$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 "<p>bolink::vfs_path('$app','$id','$file') = '$path'</p>\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 "<p>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'</p>\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 = $valid[0] == '\\' || strstr(':',$valid) ? 'eregi' : 'ereg';
$valid2 = str_replace('\\','/',$valid);
//echo "<p>attach_file: ereg('".$this->send_file_ips[$valid]."', '$file[ip]')=".ereg($this->send_file_ips[$valid],$file['ip'])."</p>\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 "<p>attach_file: full_fname='$file[path]', valid2='$valid2', trans='$trans', check=$check, tfname='$tfname', parts=(x,'${parts[1]}','${parts[2]}')</p>\n";
}
if ($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 "<p>bolink::delete_attached('$app','$id','$fname') file_id=$file_id</p>\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 $path[0] == '\\' || strstr($path,':');
}
/**
* reads the attached file and returns the content
*
* @param string $app appname
* @param string $id id in app
* @param string $filename filename
* @return string content of the attached file
*/
function read_attached($app,$id,$filename)
{
if (empty($app) || !$id || empty($filename) /*|| !$this->check_access($info_id,EGW_ACL_READ)*/)
{
return False;
}
$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 "<p>attached_local(app=$app, id='$id', filename='$filename', ip='$ip', win_user='$win_user', count(send_file_ips)=".count($this->send_file_ips).")</p>\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 "<p>attached_local: link=$link, valid=$valid, trans='$trans', fname='$fname', parts=(x,'${parts[1]}','${parts[2]}')</p>\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('&amp;','&quot;','&lt;','&gt;'),array('&','"','<','>'),$str);
}
/**
* get title for an event, should be moved to bocalendar.link_title
*
* @param int/array $event event-id or already read event
* @return string/boolean the title (startdate plus subject), of false if event is not found
*/
function calendar_title( $event )
{
if (!is_object($this->bocal))
{
$this->bocal = createobject('calendar.bocalendar');
}
if (!is_array($event) && (int) $event > 0)
{
$event = $this->bocal->read_entry($event);
}
if (!is_array($event))
{
return False;
}
$format = $GLOBALS['egw_info']['user']['preferences']['common']['dateformat'] . ' '.
($GLOBALS['egw_info']['user']['preferences']['common']['timeformat'] == '12' ? 'h:i a' : 'H:i');
$name = $GLOBALS['egw']->common->show_date($this->bocal->maketime($event['start']) - $this->bocal->datetime->tz_offset,$format);
$name .= ': ' . $this->decode_htmlspecialchars($event['title']); // cal returns entities
return $name;
}
/**
* query calendar for an event $matching pattern, should be moved to bocalendar.link_query
*
* @param string $pattern pattern to search
* @return array with id => title pairs of matching events
*/
function calendar_query($pattern)
{
if (!is_object($this->bocal))
{
$this->bocal = createobject('calendar.bocalendar');
}
$content = array( );
if ($event_ids = $this->bocal->search_keywords($pattern))
{
foreach($event_ids as $id)
{
// only include it in the list, if we have permissions to read it
if ($this->bocal->check_perms(EGW_ACL_READ,$id))
{
$content[$id] = $this->calendar_title( $id );
}
}
}
return $content;
}
/**
* get title for an address, should be moved to boaddressbook.link_title
*
* @param int/array $event address-id or already read address
* @return string/boolean the title ([org:] n_familiy[, n_given|n_prefix]), of false if address is not found
*/
function addressbook_title( $addr )
{
if (!is_object($this->contacts))
{
$this->contacts = createobject('phpgwapi.contacts');
}
if (!is_array($addr))
{
list( $addr ) = $this->contacts->read_single_entry( $addr );
}
if (!is_array($addr))
{
return False;
}
$name = $addr['n_family'];
if ($addr['n_given'])
{
$name .= ', '.$addr['n_given'];
}
else
{
if ($addr['n_prefix'])
{
$name .= ', '.$addr['n_prefix'];
}
}
if ($addr['org_name'])
{
$name = $addr['org_name'].($name !== '' ? ': '.$name : '');
}
return stripslashes($name); // addressbook returns quotes with slashes
}
/**
* query addressbook for $pattern, should be moved to boaddressbook.link_query
*
* @param string $pattern pattern to search
* @return array with id => title pairs of matching addresses
*/
function addressbook_query( $pattern )
{
if (!is_object($this->contacts))
{
$this->contacts = createobject('phpgwapi.contacts');
}
$addrs = $this->contacts->read( 0,0,'',$pattern,'','DESC','org_name,n_family,n_given' );
$content = array( );
while ($addrs && list( $key,$addr ) = each( $addrs ))
{
$content[$addr['id']] = $this->addressbook_title( $addr );
}
return $content;
}
/**
* 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), of false if address is not found
*/
function projects_title( $proj )
{
if (!is_object($this->boprojects))
{
if (!file_exists(EGW_SERVER_ROOT.'/projects')) // check if projects installed
return '';
$this->boprojects = createobject('projects.boprojects');
}
if (!is_array($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);
}
}
/**
* 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']);
}
}
}
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