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egroupware_official/phpgwapi/inc/class.common.inc.php

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<?php
/**
* eGroupWare API: Commononly used (static) functions
*
* This file written by Dan Kuykendall <seek3r@phpgroupware.org>
* and Joseph Engo <jengo@phpgroupware.org>
* and Mark Peters <skeeter@phpgroupware.org>
* and Lars Kneschke <lkneschke@linux-at-work.de>
* Functions commonly used by eGroupWare developers
* Copyright (C) 2000, 2001 Dan Kuykendall
* Copyright (C) 2003 Lars Kneschke
*
* @link http://www.egroupware.org
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package api
* @version $Id$
*/
/**
* common class containing commonly used static functions
*/
class common
{
static $debug_info; // An array with debugging info from the API
static $found_files;
/**
* Try to guess and set a locale supported by the server, with fallback to 'en_EN' and 'C'
*
* This method uses the language and nationalty set in the users common prefs.
*
* @param $category=LC_ALL category to set, see setlocal function
* @param $charset=null default system charset
* @return string the local (or best estimate) set
*/
static function setlocale($category=LC_ALL,$charset=null)
{
$lang = $GLOBALS['egw_info']['user']['preferences']['common']['lang'];
$country = $GLOBALS['egw_info']['user']['preferences']['common']['country'];
if (strlen($lang) == 2)
{
$country_from_lang = strtoupper($lang);
}
else
{
list($lang,$country_from_lang) = explode('-',$lang);
$country_from_lang = strtoupper($country_from_lang);
}
if (is_null($charset)) $charset = $GLOBALS['egw']->translation->charset();
foreach(array(
$lang.'_'.$country,
$lang.'_'.$country_from_lang,
$lang,
'en_EN',
'de_DE', // this works with utf-8, en_EN@utf-8 does NOT!
'C',
) as $local)
{
if (($ret = setlocale($category,$local.'@'.$charset))) return $ret;
if (($ret = setlocale($category,$local))) return $ret;
}
error_log(__METHOD__."($category,$charset) lang=$lang, country=$country, country_from_lang=$country_from_lang: Could not set local!");
return false; // should not happen, as the 'C' local should at least be available everywhere
}
/**
* Compares two Version strings and return 1 if str2 is newest (bigger version number) than str1
*
* This function checks for major version only.
* @param $str1
* @param $str2
*/
static function cmp_version($str1,$str2,$debug=False)
{
ereg("([0-9]+)\.([0-9]+)\.([0-9]+)[a-zA-Z]*([0-9]*)",$str1,$regs);
ereg("([0-9]+)\.([0-9]+)\.([0-9]+)[a-zA-Z]*([0-9]*)",$str2,$regs2);
if($debug) { echo "<br>$regs[0] - $regs2[0]"; }
for($i=1;$i<5;$i++)
{
if($debug) { echo "<br>$i: $regs[$i] - $regs2[$i]"; }
if($regs2[$i] == $regs[$i])
{
continue;
}
if($regs2[$i] > $regs[$i])
{
return 1;
}
elseif($regs2[$i] < $regs[$i])
{
return 0;
}
}
}
/**
* Compares two Version strings and return 1 if str2 is newest (bigger version number) than str1
*
* This function checks all fields. cmp_version() checks release version only.
* @param $str1
* @param $str2
*/
static function cmp_version_long($str1,$str2,$debug=False)
{
ereg("([0-9]+)\.([0-9]+)\.([0-9]+)[a-zA-Z]*([0-9]*)\.([0-9]*)",$str1,$regs);
ereg("([0-9]+)\.([0-9]+)\.([0-9]+)[a-zA-Z]*([0-9]*)\.([0-9]*)",$str2,$regs2);
if($debug) { echo "<br>$regs[0] - $regs2[0]"; }
for($i=1;$i<6;$i++)
{
if($debug) { echo "<br>$i: $regs[$i] - $regs2[$i]"; }
if($regs2[$i] == $regs[$i])
{
if($debug) { echo ' are equal...'; }
continue;
}
if($regs2[$i] > $regs[$i])
{
if($debug) { echo ', and a > b'; }
return 1;
}
elseif($regs2[$i] < $regs[$i])
{
if($debug) { echo ', and a < b'; }
return 0;
}
}
if($debug) { echo ' - all equal.'; }
}
/**
* generate a unique id, which can be used for syncronisation
*
* @param string $_appName the appname
* @param string $_eventID the id of the content
* @return string the unique id
*/
static function generate_uid($_appName, $_eventID)
{
if(empty($_appName) || empty($_eventID)) return false;
$suffix = $GLOBALS['egw_info']['server']['hostname'] ? $GLOBALS['egw_info']['server']['hostname'] : 'local';
$prefix = $_appName.'-'.$_eventID.'-'.$GLOBALS['egw_info']['server']['install_id'];
return $prefix;
}
/**
* get the local content id from a global UID
*
* @param sting $_globalUid the global UID
* @return int local egw content id
*/
static function get_egwId($_globalUid)
{
if(empty($_globalUid)) return false;
$globalUidParts = explode('-',$_globalUid);
array_shift($globalUidParts); // remove the app name
array_pop($globalUidParts); // remove the install_id
return implode('-',$globalUidParts); // return the rest, allowing to have dashs in the id, can happen with LDAP!
}
/**
* return an array of installed languages
*
* @return $installedLanguages; an array containing the installed languages
*/
static function getInstalledLanguages()
{
$GLOBALS['egw']->db->query('SELECT DISTINCT lang FROM egw_lang');
while (@$GLOBALS['egw']->db->next_record())
{
$installedLanguages[$GLOBALS['egw']->db->f('lang')] = $GLOBALS['egw']->db->f('lang');
}
return $installedLanguages;
}
/**
* get preferred language of the users
*
* Uses HTTP_ACCEPT_LANGUAGE (from the browser) and getInstalledLanguages to find out which languages are installed
*
* @return string
*/
static function getPreferredLanguage()
{
// create a array of languages the user is accepting
$userLanguages = explode(',',$_SERVER['HTTP_ACCEPT_LANGUAGE']);
$supportedLanguages = self::getInstalledLanguages();
// find usersupported language
foreach($userLanguages as $key => $value)
{
// remove everything behind '-' example: de-de
$value = trim($value);
$pieces = explode('-', $value);
$value = $pieces[0];
# print 'current lang $value<br>';
if ($supportedLanguages[$value])
{
$retValue=$value;
break;
}
}
// no usersupported language found -> return english
if (empty($retValue))
{
$retValue='en';
}
return $retValue;
}
/**
* escapes a string for use in searchfilters meant for ldap_search.
*
* Escaped Characters are: '*', '(', ')', ' ', '\', NUL
* It's actually a PHP-Bug, that we have to escape space.
* For all other Characters, refer to RFC2254.
*
* @deprecated use ldap::quote()
* @param $string either a string to be escaped, or an array of values to be escaped
* @return string
*/
static function ldap_addslashes($string='')
{
return ldap::quote($string);
}
/**
* connect to the ldap server and return a handle
*
* @deprecated use ldap::ldapConnect()
* @param $host ldap host
* @param $dn ldap_root_dn
* @param $passwd ldap_root_pw
* @return resource
*/
static function ldapConnect($host='', $dn='', $passwd='')
{
// use Lars new ldap class
return $GLOBALS['egw']->ldap->ldapConnect($host,$dn,$passwd);
}
/**
* function to stop running an app
*
* used to stop running an app in the middle of execution <br>
* There may need to be some cleanup before hand
* @param $call_footer boolean value to if true then call footer else exit
*/
static function egw_exit($call_footer = False)
{
if (!defined('EGW_EXIT'))
{
define('EGW_EXIT',True);
if ($call_footer)
{
self::egw_footer();
}
}
exit;
}
/**
* return a random string of size $size
*
* @param $size int-size of random string to return
*/
static function randomstring($size)
{
$s = '';
srand((double)microtime()*1000000);
$random_char = array(
'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f',
'g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v',
'w','x','y','z','A','B','C','D','E','F','G','H','I','J','K','L',
'M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'
);
for ($i=0; $i<$size; $i++)
{
$s .= $random_char[rand(1,61)];
}
return $s;
}
// Look at the note towards the top of this file (jengo)
static function filesystem_separator()
{
return filesystem_separator();
}
/**
* This is used for reporting errors in a nice format.
*
* @param $error - array of errors
*/
static function error_list($errors,$text='Error')
{
if (!is_array($errors))
{
return False;
}
$html_error = '<table border="0" width="100%"><tr><td align="right"><b>' . lang($text)
. '</b>: </td><td align="left">' . $errors[0] . '</td></tr>';
for ($i=1; $i<count($errors); $i++)
{
$html_error .= '<tr><td>&nbsp;</td><td align="left">' . $errors[$i] . '</td></tr>';
}
return $html_error . '</table>';
}
/**
* @deprecated use ACL instead
*/
function check_owner($record,$link,$label,$extravars = '')
{
self::$debug_info[] = 'check_owner() is a depreciated function - use ACL instead';
}
/**
* return the fullname of a user
*
* @param $lid='' account loginid
* @param $firstname='' firstname
* @param $lastname='' lastname
* @param $accountid=0 id, to check if it's a user or group, otherwise the lid will be used
*/
static function display_fullname($lid = '', $firstname = '', $lastname = '',$accountid=0)
{
if (! $lid && ! $firstname && ! $lastname)
{
$lid = $GLOBALS['egw_info']['user']['account_lid'];
$firstname = $GLOBALS['egw_info']['user']['firstname'];
$lastname = $GLOBALS['egw_info']['user']['lastname'];
}
$is_group = $GLOBALS['egw']->accounts->get_type($accountid ? $accountid : $lid) == 'g';
if (empty($firstname)) $firstname = $lid;
if (empty($lastname) || $is_group)
{
$lastname = $is_group ? lang('Group') : lang('User');
}
$display = $GLOBALS['egw_info']['user']['preferences']['common']['account_display'];
if ($firstname && $lastname)
{
$delimiter = ', ';
}
else
{
$delimiter = '';
}
$name = '';
switch($display)
{
case 'firstname':
$name = $firstname . ' ' . $lastname;
break;
case 'lastname':
$name = $lastname . $delimiter . $firstname;
break;
case 'username':
$name = $lid;
break;
case 'firstall':
$name = $firstname . ' ' . $lastname . ' ['.$lid.']';
break;
case 'lastall':
$name = $lastname . $delimiter . $firstname . ' ['.$lid.']';
break;
case 'all':
/* fall through */
default:
$name = '['.$lid.'] ' . $firstname . ' ' . $lastname;
}
return $name;
}
/**
* grab the owner name
*
* @param $id account id
*/
static function grab_owner_name($accountid = '')
{
$GLOBALS['egw']->accounts->get_account_name($accountid,$lid,$fname,$lname);
return self::display_fullname($lid,$fname,$lname,$accountid);
}
/**
* create tabs
*
* @param array $tabs an array repersenting the tabs you wish to display, each element
* * * in the array is an array of 3 elements, 'label' which is the
* * * text displaed on the tab (you should pass translated string,
* * * create_tabs will not do <code>lang()</code> for you), 'link'
* * * which is the uri, 'target', the frame name or '_blank' to show
* * * page in a new browser window.
* @param mixed $selected the tab whos key is $selected will be displayed as current tab
* @param $fontsize optional
* @return string return html that displays the tabs
*/
static function create_tabs($tabs, $selected, $fontsize = '')
{
$output_text = '<table border="0" cellspacing="0" cellpadding="0"><tr>';
/* This is a php3 workaround */
if(EGW_IMAGES_DIR == 'EGW_IMAGES_DIR')
{
$ir = ExecMethod('phpgwapi.phpgw.common.get_image_path', 'phpgwapi');
}
else
{
$ir = EGW_IMAGES_DIR;
}
if ($fontsize)
{
$fs = '<font size="' . $fontsize . '">';
$fse = '</font>';
}
$i = 1;
while ($tab = each($tabs))
{
if ($tab[0] == $selected)
{
if ($i == 1)
{
$output_text .= '<td align="right"><img src="' . $ir . '/tabs-start1.gif"></td>';
}
$output_text .= '<td align="left" background="' . $ir . '/tabs-bg1.gif">&nbsp;<b><a href="'
. $tab[1]['link'] . '" class="tablink" '.$tab[1]['target'].'>' . $fs . $tab[1]['label']
. $fse . '</a></b>&nbsp;</td>';
if ($i == count($tabs))
{
$output_text .= '<td align="left"><img src="' . $ir . '/tabs-end1.gif"></td>';
}
else
{
$output_text .= '<td align="left"><img src="' . $ir . '/tabs-sepr.gif"></td>';
}
}
else
{
if ($i == 1)
{
$output_text .= '<td align="right"><img src="' . $ir . '/tabs-start0.gif"></td>';
}
$output_text .= '<td align="left" background="' . $ir . '/tabs-bg0.gif">&nbsp;<b><a href="'
. $tab[1]['link'] . '" class="tablink" '.$tab[1]['target'].'>' . $fs . $tab[1]['label'] . $fse
. '</a></b>&nbsp;</td>';
if (($i + 1) == $selected)
{
$output_text .= '<td align="left"><img src="' . $ir . '/tabs-sepl.gif"></td>';
}
elseif ($i == $selected || $i != count($tabs))
{
$output_text .= '<td align="left"><img src="' . $ir . '/tabs-sepm.gif"></td>';
}
elseif ($i == count($tabs))
{
if ($i == $selected)
{
$output_text .= '<td align="left"><img src="' . $ir . '/tabs-end1.gif"></td>';
}
else
{
$output_text .= '<td align="left"><img src="' . $ir . '/tabs-end0.gif"></td>';
}
}
else
{
if ($i != count($tabs))
{
$output_text .= '<td align="left"><img src="' . $ir . '/tabs-sepr.gif"></td>';
}
}
}
$i++;
$output_text .= "\n";
}
$output_text .= "</table>\n";
return $output_text;
}
/**
* get directory of application
*
* $appname can either be passed or derived from $GLOBALS['egw_info']['flags']['currentapp'];
* @param $appname name of application
*/
static function get_app_dir($appname = '')
{
if ($appname == '')
{
$appname = $GLOBALS['egw_info']['flags']['currentapp'];
}
if ($appname == 'logout' || $appname == 'login')
{
$appname = 'phpgwapi';
}
$appdir = EGW_INCLUDE_ROOT . '/'.$appname;
$appdir_default = EGW_SERVER_ROOT . '/'.$appname;
if (@is_dir($appdir))
{
return $appdir;
}
elseif (@is_dir($appdir_default))
{
return $appdir_default;
}
else
{
return False;
}
}
/**
* get inc (include dir) of application
*
* $appname can either be passed or derived from $GLOBALS['egw_info']['flags']['currentapp'];
* @param $appname name of application
*/
static function get_inc_dir($appname = '')
{
if (!$appname)
{
$appname = $GLOBALS['egw_info']['flags']['currentapp'];
}
if ($appname == 'logout' || $appname == 'login' || $appname == 'about')
{
$appname = 'phpgwapi';
}
$incdir = EGW_INCLUDE_ROOT . '/' . $appname . '/inc';
$incdir_default = EGW_SERVER_ROOT . '/' . $appname . '/inc';
if (@is_dir ($incdir))
{
return $incdir;
}
elseif (@is_dir ($incdir_default))
{
return $incdir_default;
}
else
{
return False;
}
}
/**
* list themes available
*
* themes can either be css file like in HEAD (if the template has a css-dir and has css-files in is) \
* or ordinary .14 themes-files
*/
function list_themes()
{
$tpl_dir = self::get_tpl_dir('phpgwapi');
if ($dh = @opendir($tpl_dir . SEP . 'css'))
{
while ($file = readdir($dh))
{
if (eregi("\.css$", $file) && $file != 'phpgw.css')
{
$list[] = substr($file,0,strpos($file,'.'));
}
}
closedir($dh);
}
if(!is_array($list))
{
$dh = opendir(EGW_SERVER_ROOT . '/phpgwapi/themes');
while ($file = readdir($dh))
{
if (eregi("\.theme$", $file))
{
$list[] = substr($file,0,strpos($file,'.'));
}
}
closedir($dh);
}
reset ($list);
return $list;
}
/**
* List available templates
*
* @returns array alphabetically sorted list of templates
*/
function list_templates()
{
$list = array();
$d = dir(EGW_SERVER_ROOT . '/phpgwapi/templates');
while (($entry=$d->read()))
{
if ($entry != '..' && file_exists(EGW_SERVER_ROOT . '/phpgwapi/templates/' . $entry .'/class.'.$entry.'_framework.inc.php'))
{
$list[$entry]['name'] = $entry;
if (file_exists ($f = EGW_SERVER_ROOT . '/phpgwapi/templates/' . $entry . '/setup/setup.inc.php'))
{
include($f);
$list[$entry]['title'] = $GLOBALS['egw_info']['template'][$entry]['title'];
}
else
{
$list[$entry]['title'] = $entry;
}
}
}
$d->close();
ksort($list);
return $list;
}
/**
* get template dir of an application
*
* @param $appname appication name optional can be derived from $GLOBALS['egw_info']['flags']['currentapp'];
* @static
* @return string/boolean dir or false if no dir is found
*/
static function get_tpl_dir($appname = '')
{
if (!$appname)
{
$appname = $GLOBALS['egw_info']['flags']['currentapp'];
}
if ($appname == 'logout' || $appname == 'login')
{
$appname = 'phpgwapi';
}
if (!isset($GLOBALS['egw_info']['server']['template_set']) && isset($GLOBALS['egw_info']['user']['preferences']['common']['template_set']))
{
$GLOBALS['egw_info']['server']['template_set'] = $GLOBALS['egw_info']['user']['preferences']['common']['template_set'];
}
// Setting this for display of template choices in user preferences
if ($GLOBALS['egw_info']['server']['template_set'] == 'user_choice')
{
$GLOBALS['egw_info']['server']['usrtplchoice'] = 'user_choice';
}
if (($GLOBALS['egw_info']['server']['template_set'] == 'user_choice' ||
!isset($GLOBALS['egw_info']['server']['template_set'])) &&
isset($GLOBALS['egw_info']['user']['preferences']['common']['template_set']))
{
$GLOBALS['egw_info']['server']['template_set'] = $GLOBALS['egw_info']['user']['preferences']['common']['template_set'];
}
if (!file_exists(EGW_SERVER_ROOT.'/phpgwapi/templates/'.$GLOBALS['egw_info']['server']['template_set'].'/class.'.
$GLOBALS['egw_info']['server']['template_set'].'_framework.inc.php'))
{
$GLOBALS['egw_info']['server']['template_set'] = 'idots';
}
$tpldir = EGW_SERVER_ROOT . '/' . $appname . '/templates/' . $GLOBALS['egw_info']['server']['template_set'];
$tpldir_default = EGW_SERVER_ROOT . '/' . $appname . '/templates/default';
if (@is_dir($tpldir))
{
return $tpldir;
}
elseif (@is_dir($tpldir_default))
{
return $tpldir_default;
}
else
{
return False;
}
}
/**
* checks if image_dir exists and has more than just a navbar-icon
*
* this is just a workaround for idots, better to use find_image, which has a fallback \
* on a per image basis to the default dir
*/
static function is_image_dir($dir)
{
if (!@is_dir($dir))
{
return False;
}
if ($d = opendir($dir))
{
while ($f = readdir($d))
{
$ext = strtolower(strrchr($f,'.'));
if (($ext == '.gif' || $ext == '.png') && strpos($f,'navbar') === False)
{
closedir($d);
return True;
}
}
closedir($d);
}
return False;
}
/**
* get image dir of an application
*
* @param $appname application name optional can be derived from $GLOBALS['egw_info']['flags']['currentapp'];
*/
static function get_image_dir($appname = '')
{
if ($appname == '')
{
$appname = $GLOBALS['egw_info']['flags']['currentapp'];
}
if (empty($GLOBALS['egw_info']['server']['template_set']))
{
$GLOBALS['egw_info']['server']['template_set'] = 'idots';
}
$imagedir = EGW_SERVER_ROOT . '/' . $appname . '/templates/'
. $GLOBALS['egw_info']['server']['template_set'] . '/images';
$imagedir_default = EGW_SERVER_ROOT . '/' . $appname . '/templates/idots/images';
$imagedir_olddefault = EGW_SERVER_ROOT . '/' . $appname . '/images';
if (self::is_image_dir ($imagedir))
{
return $imagedir;
}
elseif (self::is_image_dir ($imagedir_default))
{
return $imagedir_default;
}
elseif (self::is_image_dir ($imagedir_olddefault))
{
return $imagedir_olddefault;
}
else
{
return False;
}
}
/**
* get image path of an application
*
* @param $appname appication name optional can be derived from $GLOBALS['egw_info']['flags']['currentapp'];
*/
static function get_image_path($appname = '')
{
if ($appname == '')
{
$appname = $GLOBALS['egw_info']['flags']['currentapp'];
}
if (empty($GLOBALS['egw_info']['server']['template_set']))
{
$GLOBALS['egw_info']['server']['template_set'] = 'idots';
}
$imagedir = EGW_SERVER_ROOT . '/'.$appname.'/templates/'.$GLOBALS['egw_info']['server']['template_set'].'/images';
$imagedir_default = EGW_SERVER_ROOT . '/'.$appname.'/templates/idots/images';
$imagedir_olddefault = EGW_SERVER_ROOT . '/'.$appname.'/templates/default/images';
if (self::is_image_dir($imagedir))
{
return $GLOBALS['egw_info']['server']['webserver_url'].'/'.$appname.'/templates/'.$GLOBALS['egw_info']['server']['template_set'].'/images';
}
elseif (self::is_image_dir($imagedir_default))
{
return $GLOBALS['egw_info']['server']['webserver_url'].'/'.$appname.'/templates/idots/images';
}
elseif (self::is_image_dir($imagedir_olddefault))
{
return $GLOBALS['egw_info']['server']['webserver_url'].'/'.$appname.'/templates/default/images';
}
return False;
}
/**
* Searches and image by a given search order (it maintains a cache of the existing images):
* - image dir of the application for the given template
* - image dir of the application for the default template
* - image dir of the API for the given template
* - image dir of the API for the default template
*
* @param string $appname
* @param string $image
* @return string url of the image
*/
function find_image($appname,$image)
{
$imagedir = '/'.$appname.'/templates/'.$GLOBALS['egw_info']['user']['preferences']['common']['template_set'].'/images';
$vfs_imagedir = $GLOBALS['egw_info']['server']['vfs_image_dir'];
if (!@is_array(self::$found_files[$appname]))
{
$imagedir_olddefault = '/'.$appname.'/templates/default/images';
$imagedir_default = '/'.$appname.'/templates/idots/images';
if (@is_dir(EGW_INCLUDE_ROOT.$imagedir_olddefault))
{
$d = dir(EGW_INCLUDE_ROOT.$imagedir_olddefault);
while (false != ($entry = $d->read()))
{
if ($entry != '.' && $entry != '..')
{
self::$found_files[$appname][$entry] = $imagedir_olddefault;
}
}
$d->close();
}
if (@is_dir(EGW_INCLUDE_ROOT.$imagedir_default))
{
$d = dir(EGW_INCLUDE_ROOT.$imagedir_default);
while (false != ($entry = $d->read()))
{
if ($entry != '.' && $entry != '..')
{
self::$found_files[$appname][$entry] = $imagedir_default;
}
}
$d->close();
}
if (@is_dir(EGW_INCLUDE_ROOT.$imagedir))
{
$d = dir(EGW_INCLUDE_ROOT.$imagedir);
while (false != ($entry = $d->read()))
{
if ($entry != '.' && $entry != '..')
{
self::$found_files[$appname][$entry] = $imagedir;
}
}
$d->close();
}
if (!isset(self::$found_files['vfs']) && egw_vfs::file_exists($vfs_imagedir) &&
egw_vfs::is_dir($vfs_imagedir) && ($d = egw_vfs::opendir($vfs_imagedir)))
{
while (($entry = readdir($d)) !== false)
{
if (!egw_vfs::is_dir($vfs_imagedir.'/'.$entry))
{
if (list($type,$subtype) = explode('/',egw_vfs::mime_content_type($vfs_imagedir.'/'.$entry)))// && $type == 'image')
{
if ($type == 'image' || $type == 'application') self::$found_files['vfs'][$entry] = $vfs_imagedir;
}
}
}
closedir($d);
}
}
if (!$GLOBALS['egw_info']['server']['image_type'])
{
// priority: GIF->JPG->PNG
$img_type=array('.gif','.jpg','.png');
}
else
{
// priority: : PNG->JPG->GIF
$img_type=array('.png','.jpg','.gif');
}
$imgfile = '';
// first look in the instance specific image dir in vfs
foreach(array_merge($img_type,array('')) as $type)
{
// first look in the instance specific image dir in vfs
if(self::$found_files['vfs'][$image.$type]==$vfs_imagedir)
{
$imgfile = egw::link(egw_vfs::download_url(self::$found_files['vfs'][$image.$type].'/'.$image.$type));
break;
}
// then look in the selected template dir
if(self::$found_files[$appname][$image.$type]==$imagedir)
{
$imgfile = $GLOBALS['egw_info']['server']['webserver_url'].self::$found_files[$appname][$image.$type].'/'.$image.$type;
break;
}
//then look everywhere else
if (isset(self::$found_files[$appname][$image.$type]))
{
$imgfile = $GLOBALS['egw_info']['server']['webserver_url'].self::$found_files[$appname][$image.$type].'/'.$image.$type;
break;
}
}
if (empty($imgfile))
{
// searching the image in the api-dirs
if (!isset(self::$found_files['phpgwapi']))
{
$this->find_image('phpgwapi','');
}
foreach(array_merge($img_type,array('')) as $type)
{
if(isset(self::$found_files['phpgwapi'][$image.$type]))
{
$imgfile = $GLOBALS['egw_info']['server']['webserver_url'].self::$found_files['phpgwapi'][$image.$type].'/'.$image.$type;
break;
}
}
}
return $imgfile;
}
/**
* Searches a appname, template and maybe language and type-specific image
*
* @param string $appname
* @param string $image
* @param string $ext
* @param boolean $use_lang
* @return string url of the image
*/
function image($appname,$image='',$ext='',$use_lang=True)
{
if (!is_array($image))
{
if (empty($image))
{
return '';
}
$image = array($image);
}
if ($use_lang)
{
while (list(,$img) = each($image))
{
$lang_images[] = $img . '_' . $GLOBALS['egw_info']['user']['preferences']['common']['lang'];
$lang_images[] = $img;
}
$image = $lang_images;
}
while (empty($image_found) && list(,$img) = each($image))
{
if(isset(self::$found_files[$appname][$img.$ext]))
{
$image_found = $GLOBALS['egw_info']['server']['webserver_url'].self::$found_files[$appname][$img.$ext].'/'.$img.$ext;
}
else
{
$image_found = $this->find_image($appname,$img.$ext);
}
}
return $image_found;
}
/**
* Searches an image of a given type, if not found also without type/extension
*
* @param string $appname
* @param string $image
* @param string $extension
* @return string url of the image
*/
function image_on($appname,$image,$extension='_on')
{
if (($with_extension = $this->image($appname,$image,$extension)))
{
return $with_extension;
}
if(($without_extension = $this->image($appname,$image)))
{
return $without_extension;
}
return '';
}
/**
* prepare an array with variables used to render the navbar
*
* @deprecated inherit from egw_framework class in your template and use egw_framework::_navbar_vars()
*/
static function navbar()
{
$GLOBALS['egw_info']['navbar'] = $GLOBALS['egw']->framework->_get_navbar_vars();
}
/**
* load header.inc.php for an application
*
* @deprecated
*/
static function app_header()
{
if (file_exists(EGW_APP_INC . '/header.inc.php'))
{
include(EGW_APP_INC . '/header.inc.php');
}
}
/**
* load the eGW header
*
* @deprecated use egw_framework::header(), $GLOBALS['egw']->framework->navbar() or better egw_framework::render($content)
*/
static function egw_header()
{
echo $GLOBALS['egw']->framework->header();
if (!$GLOBALS['egw_info']['flags']['nonavbar'])
{
echo $GLOBALS['egw']->framework->navbar();
}
}
/**
* load the eGW footer
*
* @deprecated use egw_framework::footer() or egw_framework::render($content)
*/
static function egw_footer()
{
if(is_object($GLOBALS['egw']->framework)) {
echo $GLOBALS['egw']->framework->footer();
}
}
/**
* Used by template headers for including CSS in the header
*
* @deprecated use framework::_get_css()
* @return string
*/
static function get_css()
{
return $GLOBALS['egw']->framework->_get_css();
}
/**
* Used by the template headers for including javascript in the header
*
* @deprecated use framework::_get_js()
* @return string the javascript to be included
*/
static function get_java_script()
{
return $GLOBALS['egw']->framework->_get_js();
}
/**
* Returns on(Un)Load attributes from js class
*
* @deprecated use framework::_get_js()
* @returns string body attributes
*/
static function get_body_attribs()
{
return $GLOBALS['egw']->framework->_get_body_attribs();
}
static function hex2bin($data)
{
$len = strlen($data);
return @pack('H' . $len, $data);
}
/**
* encrypt data passed to the function
*
* @param $data data (string?) to be encrypted
*/
static function encrypt($data)
{
return $GLOBALS['egw']->crypto->encrypt($data);
}
/**
* decrypt $data
*
* @param $data data to be decrypted
*/
static function decrypt($data)
{
return $GLOBALS['egw']->crypto->decrypt($data);
}
/**
* legacy wrapper for newer auth class function, encrypt_password
*
* uses the encryption type set in setup and calls the appropriate encryption functions
*
* @deprecated use auth::encrypt_password()
* @param $password password to encrypt
*/
static function encrypt_password($password,$sql=False)
{
return auth::encrypt_password($password,$sql);
}
/**
* find the current position of the app is the users portal_order preference
*
* @param $app application id to find current position - required
* No discussion
*/
function find_portal_order($app)
{
if(!is_array($GLOBALS['egw_info']['user']['preferences']['portal_order']))
{
return -1;
}
@reset($GLOBALS['egw_info']['user']['preferences']['portal_order']);
while(list($seq,$appid) = each($GLOBALS['egw_info']['user']['preferences']['portal_order']))
{
if($appid == $app)
{
@reset($GLOBALS['egw_info']['user']['preferences']['portal_order']);
return $seq;
}
}
@reset($GLOBALS['egw_info']['user']['preferences']['portal_order']);
return -1;
}
/**
* return a formatted timestamp or current time
*
* @param int $t=0 timestamp, default current time
* @param string $format='' timeformat, default '' = read from the user prefernces
* @param boolean $adjust_to_usertime=true should datetime::tz_offset be added to $t or not, default true
* @return string the formated date/time
*/
static function show_date($t = 0, $format = '', $adjust_to_usertime=true)
{
if (!$t)
{
$t = $GLOBALS['egw']->datetime->gmtnow;
}
if ($adjust_to_usertime)
{
$t += $GLOBALS['egw']->datetime->tz_offset;
}
if (!$format)
{
$format = $GLOBALS['egw_info']['user']['preferences']['common']['dateformat'] . ' - ';
if ($GLOBALS['egw_info']['user']['preferences']['common']['timeformat'] == '12')
{
$format .= 'h:i a';
}
else
{
$format .= 'H:i';
}
}
return adodb_date($format,$t);
}
/**
* Format a date according to the user preferences
*
* @param string $yearstr year
* @param string $monthstr month
* @param string $day day
* @param boolean $add_seperator=false add the separator specifed in the prefs or not, default no
* @return string
*/
static function dateformatorder($yearstr,$monthstr,$daystr,$add_seperator = False)
{
$dateformat = strtolower($GLOBALS['egw_info']['user']['preferences']['common']['dateformat']);
$sep = substr($GLOBALS['egw_info']['user']['preferences']['common']['dateformat'],1,1);
$dlarr[strpos($dateformat,'y')] = $yearstr;
$dlarr[strpos($dateformat,'m')] = $monthstr;
$dlarr[strpos($dateformat,'d')] = $daystr;
ksort($dlarr);
if ($add_seperator)
{
return implode($sep,$dlarr);
}
return implode(' ',$dlarr);
}
/**
* format the time takes settings from user preferences
*
* @param int $hour hour
* @param int $min minutes
* @param int/string $sec='' defaults to ''
* @return string formated time
*/
static function formattime($hour,$min,$sec='')
{
$h12 = $hour;
if ($GLOBALS['egw_info']['user']['preferences']['common']['timeformat'] == '12')
{
if ($hour >= 12)
{
$ampm = ' pm';
}
else
{
$ampm = ' am';
}
$h12 %= 12;
if ($h12 == 0 && $hour)
{
$h12 = 12;
}
if ($h12 == 0 && !$hour)
{
$h12 = 0;
}
}
else
{
$h12 = $hour;
}
if ($sec !== '')
{
$sec = ':'.$sec;
}
return $h12.':'.$min.$sec.$ampm;
}
/**
* Format an email address according to the system standard
*
* Convert all european special chars to ascii and fallback to the accountname, if nothing left eg. chiniese
*
* @param string $first firstname
* @param string $last lastname
* @param string $account account-name (lid)
* @param string $domain=null domain-name or null to use eGW's default domain $GLOBALS['egw_info']['server']['mail_suffix]
* @return string with email address
*/
static function email_address($first,$last,$account,$domain=null)
{
//echo "<p align=right>common::email_address('$first','$last','$account')";
// convert all european special chars to ascii, (c) RalfBecker-AT-egroupware.org ;-)
static $extra = array(
'&szlig;' => 'ss',
' ' => '',
);
foreach (array('first','last','account') as $name)
{
$$name = htmlentities($$name,ENT_QUOTES,$GLOBALS['egw']->translation->charset());
$$name = str_replace(array_keys($extra),array_values($extra),$$name);
$$name = preg_replace('/&([aAuUoO])uml;/','\\1e',$$name); // replace german umlauts with the letter plus one 'e'
$$name = preg_replace('/&([a-zA-Z])(grave|acute|circ|ring|cedil|tilde|slash|uml);/','\\1',$$name); // remove all types of acents
$$name = preg_replace('/&([a-zA-Z]+|#[0-9]+|);/','',$$name); // remove all other entities
}
//echo " --> ('$first', '$last', '$account')";
if (!$first && !$last) // fallback to the account-name, if real names contain only special chars
{
$first = '';
$last = $account;
}
if (!$first || !$last)
{
$dot = $underscore = '';
}
else
{
$dot = '.';
$underscore = '_';
}
if (!$domain) $domain = $GLOBALS['egw_info']['server']['mail_suffix'];
$email = str_replace(array('first','last','initial','account','dot','underscore','-'),
array($first,$last,substr($first,0,1),$account,$dot,$underscore,''),
$GLOBALS['egw_info']['server']['email_address_format'] ? $GLOBALS['egw_info']['server']['email_address_format'] : 'first-dot-last').
($domain ? '@'.$domain : '');
//echo " = '$email'</p>\n";
return $email;
}
/**
* create email preferences
*
* This is not the best place for it, but it needs to be shared between Aeromail and SM
* @param $prefs
* @param $account_id -optional defaults to : phpgw_info['user']['account_id']
*/
function create_emailpreferences($prefs='',$accountid='')
{
return $GLOBALS['egw']->preferences->create_email_preferences($accountid);
// ---- Create the email Message Class if needed -----
if (is_object($GLOBALS['egw']->msg))
{
$do_free_me = False;
}
else
{
$GLOBALS['egw']->msg =& CreateObject('email.mail_msg');
$do_free_me = True;
}
// this sets the preferences into the phpgw_info structure
$GLOBALS['egw']->msg->create_email_preferences();
// cleanup and return
if ($do_free_me)
{
unset ($GLOBALS['egw']->msg);
}
}
/**
* ?
*
* This will be moved into the applications area
*/
static function check_code($code)
{
$s = '<br>';
switch ($code)
{
case 13: $s .= lang('Your message has been sent');break;
case 14: $s .= lang('New entry added sucessfully');break;
case 15: $s .= lang('Entry updated sucessfully'); break;
case 16: $s .= lang('Entry has been deleted sucessfully'); break;
case 18: $s .= lang('Password has been updated'); break;
case 38: $s .= lang('Password could not be changed'); break;
case 19: $s .= lang('Session has been killed'); break;
case 27: $s .= lang('Account has been updated'); break;
case 28: $s .= lang('Account has been created'); break;
case 29: $s .= lang('Account has been deleted'); break;
case 30: $s .= lang('Your settings have been updated'); break;
case 31: $s .= lang('Group has been added'); break;
case 32: $s .= lang('Group has been deleted'); break;
case 33: $s .= lang('Group has been updated'); break;
case 34: $s .= lang('Account has been deleted') . '<p>'
. lang('Error deleting %1 %2 directory',lang('users'),' '.lang('private').' ')
. ',<br>' . lang('Please %1 by hand',lang('delete')) . '<br><br>'
. lang('To correct this error for the future you will need to properly set the')
. '<br>' . lang('permissions to the files/users directory')
. '<br>' . lang('On *nix systems please type: %1','chmod 770 '
. $GLOBALS['egw_info']['server']['files_dir'] . '/users/');
break;
case 35: $s .= lang('Account has been updated') . '<p>'
. lang('Error renaming %1 %2 directory',lang('users'),
' '.lang('private').' ')
. ',<br>' . lang('Please %1 by hand',
lang('rename')) . '<br><br>'
. lang('To correct this error for the future you will need to properly set the')
. '<br>' . lang('permissions to the files/users directory')
. '<br>' . lang('On *nix systems please type: %1','chmod 770 '
. $GLOBALS['egw_info']['server']['files_dir'] . '/users/');
break;
case 36: $s .= lang('Account has been created') . '<p>'
. lang('Error creating %1 %2 directory',lang('users'),
' '.lang('private').' ')
. ',<br>' . lang('Please %1 by hand',
lang('create')) . '<br><br>'
. lang('To correct this error for the future you will need to properly set the')
. '<br>' . lang('permissions to the files/users directory')
. '<br>' . lang('On *nix systems please type: %1','chmod 770 '
. $GLOBALS['egw_info']['server']['files_dir'] . '/users/');
break;
case 37: $s .= lang('Group has been added') . '<p>'
. lang('Error creating %1 %2 directory',lang('groups'),' ')
. ',<br>' . lang('Please %1 by hand',
lang('create')) . '<br><br>'
. lang('To correct this error for the future you will need to properly set the')
. '<br>' . lang('permissions to the files/users directory')
. '<br>' . lang('On *nix systems please type: %1','chmod 770 '
. $GLOBALS['egw_info']['server']['files_dir'] . '/groups/');
break;
case 38: $s .= lang('Group has been deleted') . '<p>'
. lang('Error deleting %1 %2 directory',lang('groups'),' ')
. ',<br>' . lang('Please %1 by hand',
lang('delete')) . '<br><br>'
. lang('To correct this error for the future you will need to properly set the')
. '<br>' . lang('permissions to the files/users directory')
. '<br>' . lang('On *nix systems please type: %1','chmod 770 '
. $GLOBALS['egw_info']['server']['files_dir'] . '/groups/');
break;
case 39: $s .= lang('Group has been updated') . '<p>'
. lang('Error renaming %1 %2 directory',lang('groups'),' ')
. ',<br>' . lang('Please %1 by hand',
lang('rename')) . '<br><br>'
. lang('To correct this error for the future you will need to properly set the')
. '<br>' . lang('permissions to the files/users directory')
. '<br>' . lang('On *nix systems please type: %1','chmod 770 '
. $GLOBALS['egw_info']['server']['files_dir'] . '/groups/');
break;
case 40: $s .= lang('You have not entered a title').'.';
break;
case 41: $s .= lang('You have not entered a valid time of day').'.';
break;
case 42: $s .= lang('You have not entered a valid date').'.';
break;
case 43: $s .= lang('You have not entered participants').'.';
break;
default: return '';
}
return $s;
}
/**
* process error message
*
* @param $error error
* @param $line line
* @param $file file
*/
static function phpgw_error($error,$line = '', $file = '')
{
echo '<p><b>eGroupWare internal error:</b><p>'.$error;
if ($line)
{
echo 'Line: '.$line;
}
if ($file)
{
echo 'File: '.$file;
}
echo '<p>Your session has been halted.';
exit;
}
/**
* create phpcode from array
*
* @param $array - array
*/
static function create_phpcode_from_array($array)
{
while (list($key, $val) = each($array))
{
if (is_array($val))
{
while (list($key2, $val2) = each($val))
{
if (is_array($val2))
{
while (list($key3, $val3) = each ($val2))
{
if (is_array($val3))
{
while (list($key4, $val4) = each ($val3))
{
$s .= "\$GLOBALS['egw_info']['" . $key . "']['" . $key2 . "']['" . $key3 . "']['" .$key4 . "']='" . $val4 . "';";
$s .= "\n";
}
}
else
{
$s .= "\$GLOBALS['egw_info']['" . $key . "']['" . $key2 . "']['" . $key3 . "']='" . $val3 . "';";
$s .= "\n";
}
}
}
else
{
$s .= "\$GLOBALS['egw_info']['" . $key ."']['" . $key2 . "']='" . $val2 . "';";
$s .= "\n";
}
}
}
else
{
$s .= "\$GLOBALS['egw_info']['" . $key . "']='" . $val . "';";
$s .= "\n";
}
}
return $s;
}
// This will return the full phpgw_info array, used for debugging
/**
* return the full phpgw_info array for debugging
*
* @param array - array
*/
static function debug_list_array_contents($array)
{
while (list($key, $val) = each($array))
{
if (is_array($val))
{
while (list($key2, $val2) = each($val))
{
if (is_array($val2))
{
while (list($key3, $val3) = each ($val2))
{
if (is_array($val3))
{
while (list($key4, $val4) = each ($val3))
{
echo $$array . "[$key][$key2][$key3][$key4]=$val4<br>";
}
}
else
{
echo $$array . "[$key][$key2][$key3]=$val3<br>";
}
}
}
else
{
echo $$array . "[$key][$key2]=$val2<br>";
}
}
}
else
{
echo $$array . "[$key]=$val<br>";
}
}
}
// This will return a list of functions in the API
/**
* return a list of functionsin the API
*
*/
static function debug_list_core_functions()
{
echo '<br><b>core functions</b><br>';
echo '<pre>';
chdir(EGW_INCLUDE_ROOT . '/phpgwapi');
system("grep -r '^[ \t]*function' *");
echo '</pre>';
}
const NEXTID_TABLE = 'egw_nextid';
/**
* Return a value for the next id an app/class may need to insert values into LDAP
*
* @param string $appname app-name
* @param int $min=0 if != 0 minimum id
* @param int $max=0 if != 0 maximum id allowed, if it would be exceeded we return false
* @return int/boolean the next id or false if $max given and exceeded
*/
static function next_id($appname,$min=0,$max=0)
{
if (!$appname)
{
return -1;
}
$id = (int) $GLOBALS['egw']->db->select(self::NEXTID_TABLE,'id',array('appname' => $appname),__LINE__,__FILE__)->fetchSingle();
if ($max && $id >= $max)
{
return False;
}
++$id;
if($id < $min) $id = $min;
$GLOBALS['egw']->db->insert(self::NEXTID_TABLE,array('id' => $id),array('appname' => $appname),__LINE__,__FILE__);
return (int)$id;
}
/**
* Return a value for the last id entered, which an app may need to check values for LDAP
*
* @param string $appname app-name
* @param int $min=0 if != 0 minimum id
* @param int $max=0 if != 0 maximum id allowed, if it would be exceeded we return false
* @return int current id in the next_id table for a particular app/class or -1 for no app and false if $max is exceeded.
*/
static function last_id($appname,$min=0,$max=0)
{
if (!$appname)
{
return -1;
}
$id = (int)$GLOBALS['egw']->db->select(self::NEXTID_TABLE,'id',array('appname' => $appname),__LINE__,__FILE__)->fetchSingle();
if (!$id || $id < $min)
{
return self::next_id($appname,$min,$max);
}
if ($max && $id > $max)
{
return False;
}
return $id;
}
/**
* gets an eGW conformat referer from $_SERVER['HTTP_REFERER'], suitable for direct use in the link function
*
* @param string $default='' default to use if referer is not set by webserver or not determinable
* @param string $referer='' referer string to use, default ('') use $_SERVER['HTTP_REFERER']
* @return string
*/
static function get_referer($default='',$referer='')
{
if (!$referer) $referer = $_SERVER['HTTP_REFERER'];
$webserver_url = $GLOBALS['egw_info']['server']['webserver_url'];
if (empty($webserver_url) || $webserver_url{0} == '/') // url is just a path
{
$referer = preg_replace('/^https?:\/\/[^\/]+/','',$referer); // removing the domain part
}
if (strlen($webserver_url) > 1)
{
list(,$referer) = explode($webserver_url,$referer,2);
}
$referer = str_replace('/etemplate/process_exec.php','/index.php',$referer);
if (empty($referer)) $referer = $default;
return $referer;
}
// some depricated functions for the migration
static function phpgw_exit($call_footer = False)
{
self::egw_exit($call_footer);
}
static function phpgw_final()
{
self::egw_final();
}
static function phpgw_header()
{
self::egw_header();
}
static function phpgw_footer()
{
self::egw_footer();
}
}
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