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egroupware_official/phpgwapi/inc/class.preferences.inc.php

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<?php
/**
* eGroupWare API - Preferences
*
* @link http://www.egroupware.org
* @author Joseph Engo <jengo@phpgroupware.org>
* @author Mark Peters <skeeter@phpgroupware.org>
* @author Ralf Becker <RalfBecker-AT-outdoor-training.de> merging prefs on runtime, session prefs and reworked the class
* Copyright (C) 2000, 2001 Joseph Engo
* @license http://opensource.org/licenses/lgpl-license.php LGPL - GNU Lesser General Public License
* @package api
* @version $Id$
*/
/**
* preferences class used for setting application preferences
*
* the prefs are read into 5 arrays:
* $data the effective prefs used everywhere in phpgw, they are merged from the other 3 arrays
* $user the stored user prefs, only used for manipulating and storeing the user prefs
* $group the stored prefs of users primary groupd, only used for manipulating and storeing the user prefs
* $default the default preferences, always used when the user has no own preference set
* $forced forced preferences set by the admin, they take precedence over user or default prefs
*
* To update the prefs of a certain group, not just the primary group of the user, you have to
* create a new instance of preferences class, with the given id of the group. This takes into
* account the offset of DEFAULT_ID, we are using currently for groups (as -1, and -2) are already
* taken!
*/
class preferences
{
/**
* account_id for default prefs
*/
const DEFAULT_ID = -2;
/**
* account_id for forced prefs
*/
const FORCED_ID = -1;
/**
* account the class is instanciated for
* @var int
*/
var $account_id;
/**
* account-type u or g
* @var string
*/
var $account_type;
/**
* effectiv user prefs, used by all apps
* @var array
*/
var $data = array();
/**
* set user prefs for saveing (no defaults/forced prefs merged)
* @var array
*/
var $user = array();
/**
* primary group prefs
* @var array
*/
var $group = array();
/**
* default prefs
* @var array
*/
var $default = array();
/**
* forced prefs
* @var array
*/
var $forced = array();
/**
* session / tempory prefs
* @var array
*/
var $session = array();
/**
* @var egw_db
*/
var $db;
/**
* table-name
* @var string
*/
var $table = 'egw_preferences';
var $values,$vars; // standard notify substitues, will be set by standard_substitues()
/**
* Contstructor
*
* @param int|string $account_id=''
* @return preferences
*/
function __construct($account_id = '')
{
if (isset($GLOBALS['egw']->db))
{
$this->db = $GLOBALS['egw']->db;
}
else
{
$this->db = $GLOBALS['egw_setup']->db;
$this->table = $GLOBALS['egw_setup']->prefs_table;
}
// if we got instancated for a group, need to set offset of DEFAULT_ID!
if ($account_id < 0 && $GLOBALS['egw']->accounts->exists($account_id) == 2)
{
$this->account_id = $account_id + self::DEFAULT_ID;
}
else
{
$this->account_id = get_account_id($account_id);
}
}
/**
* Old PHP4 contstructor
*
* @param int|string $account_id=''
* @return preferences
* @deprecated
*/
function preferences($account_id = '')
{
self::__construct();
}
/**************************************************************************\
* These are the standard $this->account_id specific functions *
\**************************************************************************/
/**
* parses a notify and replaces the substitutes
*
* @param string $msg message to parse / substitute
* @param array $values=array() extra vars to replace in addition to $this->values, vars are in an array with \
* $key => $value pairs, $key does not include the $'s and is the *untranslated* name
* @param boolean $use_standard_values=true should the standard values are used
* @return string with parsed notify-msg
*/
function parse_notify($msg,$values=array(),$use_standard_values=True)
{
$vals = $values ? $values : array();
if ($use_standard_values && is_array($this->values))
{
$vals += $this->values;
}
foreach($vals as $key => $val)
{
if ($this->debug) error_log(__METHOD__." replacing \$\$$key\$\$ with $val ");
$replace[] = '$$'.$key.'$$';
$with[] = $val;
}
return str_replace($replace,$with,$msg);
}
/**
* replaces the english key's with translated ones, or if $un_lang the opposite
*
* @param string $msg message to translate
* @param array $values=array() extra vars to replace in addition to $this->values, vars are in an array with \
* $key => $value pairs, $key does not include the $'s and is the *untranslated* name
* @param boolean $un_lang=false if true translate back
* @return string
*/
function lang_notify($msg,$vals=array(),$un_lang=False)
{
foreach($vals as $key => $val)
{
$lname = ($lname = lang($key)) == $key.'*' ? $key : $lname;
if ($un_lang)
{
$langs[$lname] = '$$'.$key.'$$';
}
else
{
$langs[$key] = '$$'.$lname.'$$';
}
}
return $this->parse_notify($msg,$langs,False);
}
/**
* define some standard substitues-values and use them on the prefs, if needed
*/
function standard_substitutes()
{
if ($this->debug) error_log(__METHOD__." is called ");
if (!is_array(@$GLOBALS['egw_info']['user']['preferences']))
{
$GLOBALS['egw_info']['user']['preferences'] = $this->data; // else no lang()
}
// we cant use phpgw_info/user/fullname, as it's not set when we run
$GLOBALS['egw']->accounts->get_account_name($this->account_id,$lid,$fname,$lname);
$this->values = array( // standard notify replacements
'fullname' => $GLOBALS['egw']->common->display_fullname('',$fname,$lname),
'firstname' => $fname,
'lastname' => $lname,
'domain' => $GLOBALS['egw_info']['server']['mail_suffix'],
'email' => $this->email_address($this->account_id),
'date' => $GLOBALS['egw']->common->show_date('',$GLOBALS['egw_info']['user']['preferences']['common']['dateformat']),
);
// do this first, as it might be already contain some substitues
//
$this->values['email'] = $this->parse_notify($this->values['email']);
$this->vars = array( // langs have to be in common !!!
'fullname' => lang('name of the user, eg. "%1"',$this->values['fullname']),
'firstname' => lang('first name of the user, eg. "%1"',$this->values['firstname']),
'lastname' => lang('last name of the user, eg. "%1"',$this->values['lastname']),
'domain' => lang('domain name for mail-address, eg. "%1"',$this->values['domain']),
'email' => lang('email-address of the user, eg. "%1"',$this->values['email']),
'date' => lang('todays date, eg. "%1"',$this->values['date']),
);
if ($this->debug) error_log(__METHOD__.print_r($this->vars,true));
// do the substituetion in the effective prefs (data)
//
foreach($this->data as $app => $data)
{
foreach($data as $key => $val)
{
if (!is_array($val) && strpos($val,'$$') !== False)
{
$this->data[$app][$key] = $this->parse_notify($val);
}
elseif (is_array($val))
{
foreach($val as $k => $v)
{
if (!is_array($v) && strpos($v,'$$') !== False)
{
$this->data[$app][$key][$k] = $this->parse_notify($v);
}
}
}
}
}
}
/**
* unquote (stripslashes) recursivly the whole array
*
* @param array &$arr array to unquote (var-param!)
*/
function unquote(&$arr)
{
if (!is_array($arr))
{
$arr = stripslashes($arr);
return;
}
foreach($arr as $key => $value)
{
if (is_array($value))
{
$this->unquote($arr[$key]);
}
else
{
$arr[$key] = stripslashes($value);
}
}
}
/**
* read preferences from the repository
*
* the function ready all 3 prefs user/default/forced and merges them to the effective ones
*
* @internal private function should only be called from within this class
* @return array with effective prefs ($this->data)
*/
function read_repository()
{
$this->session = $GLOBALS['egw']->session->appsession('preferences','preferences');
if (!is_array($this->session))
{
$this->session = array();
}
$this->forced = $this->default = $this->user = $this->group = array();
$primary_group = $GLOBALS['egw']->accounts->id2name($this->account_id,'account_primary_group');
foreach($this->db->select($this->table,'*',array('preference_owner' => array(
self::DEFAULT_ID,
self::FORCED_ID,
$this->account_id,
$primary_group+self::DEFAULT_ID, // need to offset it with DEFAULT_ID = -2!
)),__LINE__,__FILE__) as $row)
{
// The following replacement is required for PostgreSQL to work
$app = trim($row['preference_app']);
$value = unserialize($row['preference_value']);
if($value === false)
{
// manually retrieve the string lengths of the serialized array if unserialize failed
$value = unserialize(preg_replace('!s:(\d+):"(.*?)";!se', "'s:'.mb_strlen('$2','8bit').':\"$2\";'", $row['preference_value']));
}
$this->unquote($value);
if (!is_array($value))
{
continue;
}
switch($row['preference_owner'])
{
case self::FORCED_ID:
$this->forced[$app] = $value;
break;
case self::DEFAULT_ID:
$this->default[$app] = $value;
break;
case $this->account_id: // user
$this->user[$app] = $value;
break;
default:
$this->group[$app] = $value;
break;
}
}
$this->data = $this->user;
// let the (temp.) session prefs. override the user prefs.
//
foreach($this->session as $app => $values)
{
foreach($values as $var => $value)
{
$this->data[$app][$var] = $value;
}
}
// now use (primary) group defaults if needed (user-value unset or empty)
//
foreach($this->group as $app => $values)
{
foreach($values as $var => $value)
{
if (!isset($this->data[$app][$var]) || $this->data[$app][$var] === '')
{
$this->data[$app][$var] = $value;
}
}
}
// now use defaults if needed (user-value unset or empty)
//
foreach($this->default as $app => $values)
{
foreach($values as $var => $value)
{
if (!isset($this->data[$app][$var]) || $this->data[$app][$var] === '')
{
$this->data[$app][$var] = $value;
}
}
}
// now set/force forced values
//
foreach($this->forced as $app => $values)
{
foreach($values as $var => $value)
{
$this->data[$app][$var] = $value;
}
}
// setup the standard substitutes and substitutes the data in $this->data
//
$this->standard_substitutes();
// This is to supress warnings during login
if (is_array($this->data))
{
reset($this->data);
}
if (isset($this->debug) && substr($GLOBALS['egw_info']['flags']['currentapp'],0,3) != 'log')
{
echo 'user<pre>'; print_r($this->user); echo "</pre>\n";
echo 'forced<pre>'; print_r($this->forced); echo "</pre>\n";
echo 'default<pre>'; print_r($this->default); echo "</pre>\n";
echo 'group<pre>'; print_r($this->group); echo "</pre>\n";
echo 'effectiv<pre>'; print_r($this->data); echo "</pre>\n";
}
$this->check_set_tz_offset();
return $this->data;
}
/**
* Checking new timezone ('tz') pref and setting old tz_offset pref from it
*
*/
function check_set_tz_offset()
{
$prefs =& $this->data['common'];
if (!empty($prefs['tz']))
{
egw_time::setUserPrefs($prefs['tz'],$prefs['date_format'],$prefs['time_format']);
// set the old preference for compatibilty with old code
$GLOBALS['egw_info']['user']['preferences']['common']['tz_offset'] = egw_time::tz_offset_s()/3600;
//echo "<p>".__METHOD__."() tz=$prefs[tz] --> tz_offset={$GLOBALS['egw_info']['user']['preferences']['common']['tz_offset']}</p>\n";
// ToDo: get rid of that
if (isset($GLOBALS['egw']) && is_object($GLOBALS['egw']))
{
$GLOBALS['egw']->unset_datetime(); // to force an update
}
}
}
/**
* Set user timezone, if we get restored from session
*
*/
function __wakeup()
{
$this->check_set_tz_offset();
}
/**
* read preferences from repository and stores in an array
*
* @return array containing the effective user preferences
*/
function read()
{
if (count($this->data) == 0)
{
$this->read_repository();
}
reset ($this->data);
return $this->data;
}
/**
* add preference to $app_name a particular app
*
* the effective prefs ($this->data) are updated to reflect the change
*
* @param string $app_name name of the app
* @param string $var name of preference to be stored
* @param mixed $value='##undef##' value of the preference, if not given $GLOBALS[$var] is used
* @param $type='user' of preference to set: forced, default, user
* @return array with new effective prefs (even when forced or default prefs are set !)
*/
function add($app_name,$var,$value = '##undef##',$type='user')
{
//echo "<p>add('$app_name','$var','$value')</p>\n";
if ($value === '##undef##')
{
$value = $GLOBALS[$var];
}
switch ($type)
{
case 'session':
if (!isset($this->forced[$app_name][$var]) || $this->forced[$app_name][$var] === '')
{
$this->session[$app_name][$var] = $this->data[$app_name][$var] = $value;
$GLOBALS['egw']->session->appsession('preferences','preferences',$this->session);
if (method_exists($GLOBALS['egw'],'invalidate_session_cache')) // egw object in setup is limited
{
$GLOBALS['egw']->invalidate_session_cache(); // in case with cache the egw_info array in the session
}
}
break;
case 'forced':
$this->data[$app_name][$var] = $this->forced[$app_name][$var] = $value;
break;
case 'default':
$this->default[$app_name][$var] = $value;
if ((!isset($this->forced[$app_name][$var]) || $this->forced[$app_name][$var] === '') &&
(!isset($this->user[$app_name][$var]) || $this->user[$app_name][$var] === ''))
{
$this->data[$app_name][$var] = $value;
}
break;
case 'user':
default:
$this->user[$app_name][$var] = $value;
if (!isset($this->forced[$app_name][$var]) || $this->forced[$app_name][$var] === '')
{
$this->data[$app_name][$var] = $value;
}
break;
}
reset($this->data);
return $this->data;
}
/**
* delete preference from $app_name
*
* the effektive prefs ($this->data) are updated to reflect the change
*
* @param string $app_name name of app
* @param string $var=false variable to be deleted
* @param string $type='user' of preference to set: forced, default, user
* @return array with new effective prefs (even when forced or default prefs are deleted!)
*/
function delete($app_name, $var = False,$type = 'user')
{
//echo "<p>delete('$app_name','$var','$type')</p>\n";
$set_via = array(
'forced' => array('user','default'),
'default' => array('forced','user'),
'user' => array('forced','group','default'),
'group' => array('forced'),
);
if (!isset($set_via[$type]))
{
$type = 'user';
}
$pref = &$this->$type;
if (($all = empty($var))) // to check if $var is regarded as empty (false, 0, '', null, array() should do the trick
{
unset($pref[$app_name]);
unset($this->data[$app_name]);
}
else
{
unset($pref[$app_name][$var]);
unset($this->data[$app_name][$var]);
}
// set the effectiv pref again if needed
//
foreach ($set_via[$type] as $set_from)
{
$arr = &$this->$set_from;
if ($all)
{
if (isset($arr[$app_name]))
{
$this->data[$app_name] = $arr[$app_name];
break;
}
}
else
{
if($var && @isset($arr[$app_name][$var]) && $arr[$app_name][$var] !== '')
{
$this->data[$app_name][$var] = $arr[$app_name][$var];
break;
}
}
unset($arr);
}
reset ($this->data);
return $this->data;
}
/**
* delete all prefs of a given user
*
* @param int $accountid
*/
function delete_user($accountid)
{
if ($account_id > 0)
{
$this->delete($this->table,array('preference_owner' => $accountid),__LINE__,__FILE__);
}
}
/**
* delete all prefs of a given group
*
* @param int $accountid
*/
function delete_group($accountid)
{
if ($account_id < 0)
{
$this->delete($this->table,array('preference_owner' => $accountid+self::DEFAULT_ID),__LINE__,__FILE__);
}
}
/**
* add complex array data preference to $app_name a particular app
*
* @deprecated we can now correctly store arrays in the prefs, AFAIK only used in email
*
* @param string $app_name name of the app
* @param string $var array keys separated by '/', eg. 'ex_accounts/1'
* @param mixed $value='' value of the preference
* @return array with new effective prefs (even when forced or default prefs are deleted!)
*/
function add_struct($app_name,$var,$value = '')
{
$parts = explode('/',str_replace(array('][','[',']','"',"'"),array('/','','','',''),$var));
$data = &$this->data[$app_name];
$user = &$this->user[$app_name];
foreach($parts as $name)
{
$data = &$data[$name];
$user = &$user[$name];
}
$data = $user = $value;
print_debug('class.preferences: add_struct: $this->data[$app_name] dump:', $this->data[$app_name],'api');
reset($this->data);
return $this->data;
}
/**
* delete complex array data preference from $app_name
*
* @deprecated we can now correctly store arrays in the prefs, AFAIK only used in email
*
* @param $app_name name of app
* @param $var array keys separated by '/', eg. 'ex_accounts/1'
* @return array with new effective prefs (even when forced or default prefs are deleted!)
*/
function delete_struct($app_name, $var = '')
{
$parts = explode('/',str_replace(array('][','[',']','"',"'"),array('/','','','',''),$var));
$last = array_pop($parts);
$data = &$this->data[$app_name];
$user = &$this->user[$app_name];
foreach($parts as $name)
{
$data = &$data[$name];
$user = &$user[$name];
}
unset($user[$last]);
print_debug('* $this->data[$app_name] dump:', $this->data[$app_name],'api');
reset ($this->data);
return $this->data;
}
/**
* quote (addslashes) recursivly the whole array
*
* @param array &$arr array to quote (var-param!)
*/
function quote(&$arr)
{
if (!is_array($arr))
{
$arr = addslashes($arr);
return;
}
foreach($arr as $key => $value)
{
if (is_array($value))
{
$this->quote($arr[$key]);
}
else
{
$arr[$key] = addslashes($value);
}
}
}
/**
* save the the preferences to the repository
*
* User prefs for saveing are in $this->user not in $this->data, which are the effectiv prefs only!
*
* @param boolean $update_session_info=false old param, seems not to be used
* @param string $type='user' which prefs to update: user/default/forced
* @param boolean $invalid_cache=true should we invalidate the cache, default true
* @return array with new effective prefs (even when forced or default prefs are deleted!)
*/
function save_repository($update_session_info = False,$type='user',$invalid_cache=true)
{
switch($type)
{
case 'forced':
$account_id = self::FORCED_ID;
$prefs = &$this->forced;
break;
case 'default':
$account_id = self::DEFAULT_ID;
$prefs = &$this->default;
break;
case 'group':
$account_id = $GLOBALS['egw']->accounts->id2name($this->account_id,'account_primary_group')+self::DEFAULT_ID;
$prefs = &$this->group;
break;
default:
$account_id = (int)$this->account_id;
$prefs = &$this->user; // we use the user-array as data contains default values too
break;
}
//echo "<p>preferences::save_repository(,$type): account_id=$account_id, prefs="; print_r($prefs); echo "</p>\n";
if (!$GLOBALS['egw']->acl->check('session_only_preferences',1,'preferences'))
{
$this->db->transaction_begin();
$this->db->delete($this->table,array('preference_owner' => $account_id),__LINE__,__FILE__);
foreach($prefs as $app => $value)
{
if (!is_array($value))
{
continue;
}
$this->quote($value); // this quote-ing is for serialize, not for the db
$this->db->insert($this->table,array(
'preference_value' => serialize($value),
),array(
'preference_owner' => $account_id,
'preference_app' => $app,
),__LINE__,__FILE__);
}
$this->db->transaction_commit();
if ($invalid_cache && method_exists($GLOBALS['egw'],'invalidate_session_cache')) // egw object in setup is limited
{
$GLOBALS['egw']->invalidate_session_cache(); // in case with cache the egw_info array in the session
}
}
else
{
$_SESSION[egw_session::EGW_INFO_CACHE]['user']['preferences'] = $GLOBALS['egw_info']['user']['preferences'] = $this->data;
}
return $this->data;
}
/**
* insert a copy of the default preferences for use by real account_id
*
* @deprecated not longer needed, as the defaults are merged in on runtime
*
* @param int $account_id numerical id of account for which to create the prefs
*/
function create_defaults($account_id)
{
}
/**
* update the preferences array
*
* @param array $data array of preferences
* @return array with new effective prefs (even when forced or default prefs are deleted!)
*/
function update_data($data)
{
$this->data = $data;
reset($this->data);
return $this->data;
}
/* legacy support */
function change($app_name,$var,$value = "")
{
return $this->add($app_name,$var,$value);
}
function commit($update_session_info = True)
{
//return $this->save_repository($update_session_info);
}
/**************************************************************************\
* These are the non-standard $this->account_id specific functions *
\**************************************************************************/
/**
* verify basic settings
*
* @discussion
*/
function verify_basic_settings()
{
if (!@is_array($GLOBALS['egw_info']['user']['preferences']))
{
$GLOBALS['egw_info']['user']['preferences'] = array();
}
/* This takes care of new users who don't have proper default prefs setup */
if (!isset($GLOBALS['egw_info']['flags']['nocommon_preferences']) ||
!$GLOBALS['egw_info']['flags']['nocommon_preferences'])
{
$preferences_update = False;
if (!isset($GLOBALS['egw_info']['user']['preferences']['common']['maxmatchs']) ||
!$GLOBALS['egw_info']['user']['preferences']['common']['maxmatchs'])
{
$this->add('common','maxmatchs',15);
$preferences_update = True;
}
if (!isset($GLOBALS['egw_info']['user']['preferences']['common']['theme']) ||
!$GLOBALS['egw_info']['user']['preferences']['common']['theme'])
{
$this->add('common','theme','default');
$preferences_update = True;
}
if (!isset($GLOBALS['egw_info']['user']['preferences']['common']['template_set']) ||
!$GLOBALS['egw_info']['user']['preferences']['common']['template_set'])
{
$this->add('common','template_set','default');
$preferences_update = True;
}
if (!isset($GLOBALS['egw_info']['user']['preferences']['common']['dateformat']) ||
!$GLOBALS['egw_info']['user']['preferences']['common']['dateformat'])
{
$this->add('common','dateformat','m/d/Y');
$preferences_update = True;
}
if (!isset($GLOBALS['egw_info']['user']['preferences']['common']['timeformat']) ||
!$GLOBALS['egw_info']['user']['preferences']['common']['timeformat'])
{
$this->add('common','timeformat',12);
$preferences_update = True;
}
if (!isset($GLOBALS['egw_info']['user']['preferences']['common']['lang']) ||
!$GLOBALS['egw_info']['user']['preferences']['common']['lang'])
{
$this->add('common','lang',$GLOBALS['egw']->common->getPreferredLanguage());
$preferences_update = True;
}
if ($preferences_update)
{
$this->save_repository();
}
unset($preferences_update);
}
}
/****************************************************\
* Email Preferences and Private Support Functions *
\****************************************************/
/**
* Helper function for create_email_preferences, gets mail server port number.
*
* This will generate the appropriate port number to access a
* mail server of type pop3, pop3s, imap, imaps users value from
* $phpgw_info['user']['preferences']['email']['mail_port'].
* if that value is not set, it generates a default port for the given $server_type.
* Someday, this *MAY* be
* (a) a se4rver wide admin setting, or
* (b)user custom preference
* Until then, simply set the port number based on the mail_server_type, thereof
* ONLY call this function AFTER ['email']['mail_server_type'] has been set.
* @param $prefs - user preferences array based on element ['email'][]
* @author Angles
* @access Private
*/
function sub_get_mailsvr_port($prefs, $acctnum=0)
{
// first we try the port number supplied in preferences
if((isset($prefs['email']['accounts'][$acctnum]['mail_port'])) &&
($prefs['email']['accounts'][$acctnum]['mail_port'] != ''))
{
$port_number = $prefs['email']['accounts'][$acctnum]['mail_port'];
}
// preferences does not have a port number, generate a default value
else
{
if (!isset($prefs['email']['accounts'][$acctnum]['mail_server_type']))
{
$prefs['email']['accounts'][$acctnum]['mail_server_type'] = $prefs['email']['mail_server_type'];
}
switch($prefs['email']['accounts'][$acctnum]['mail_server_type'])
{
case 'pop3s':
// POP3 over SSL
$port_number = 995;
break;
case 'pop3':
// POP3 normal connection, No SSL
// ( same string as normal imap above)
$port_number = 110;
break;
case 'nntp':
// NNTP news server port
$port_number = 119;
break;
case 'imaps':
// IMAP over SSL
$port_number = 993;
break;
case 'imap':
// IMAP normal connection, No SSL
default:
// UNKNOWN SERVER in Preferences, return a
// default value that is likely to work
// probably should raise some kind of error here
$port_number = 143;
break;
}
}
return $port_number;
}
/**
* Helper function for create_email_preferences, gets default userid for email
*
* This will generate the appropriate userid for accessing an email server.
* In the absence of a custom ['email']['userid'], this function should be used to set it.
* @param $accountid - as determined in and/or passed to "create_email_preferences"
* @access Private
*/
function sub_default_userid($account_id='')
{
if ($GLOBALS['egw_info']['server']['mail_login_type'] == 'vmailmgr')
{
$prefs_email_userid = $GLOBALS['egw']->accounts->id2name($account_id)
. '@' . $GLOBALS['egw_info']['server']['mail_suffix'];
}
else
{
$prefs_email_userid = $GLOBALS['egw']->accounts->id2name($account_id);
}
return $prefs_email_userid;
}
/**
* returns the custom email-address (if set) or generates a default one
*
* This will generate the appropriate email address used as the "From:"
* email address when the user sends email, the localpert * part. The "personal"
* part is generated elsewhere.
* In the absence of a custom ['email']['address'], this function should be used to set it.
*
* @access public
* @param int $accountid - as determined in and/or passed to "create_email_preferences"
* @return string with email-address
*/
function email_address($account_id='')
{
if (isset($this->data['email']['address']))
{
return $this->data['email']['address'];
}
// if email-address is set in the account, return it
if (($email = $GLOBALS['egw']->accounts->id2name($account_id,'account_email')))
{
return $email;
}
$prefs_email_address = $GLOBALS['egw']->accounts->id2name($account_id);
if (strpos($prefs_email_address,'@') === False)
{
$prefs_email_address .= '@' . $GLOBALS['egw_info']['server']['mail_suffix'];
}
return $prefs_email_address;
}
function sub_default_address($account_id='')
{
return $this->email_address($account_id);
}
/**
* create email preferences
*
* @param $account_id -optional defaults to : get_account_id()
* fills a local copy of ['email'][] prefs array which is then returned to the calling
* function, which the calling function generally tacks onto the $GLOBALS['egw_info'] array as such:
* $GLOBALS['egw_info']['user']['preferences'] = $GLOBALS['egw']->preferences->create_email_preferences();
* which fills an array based at:
* $GLOBALS['egw_info']['user']['preferences']['email'][prefs_are_elements_here]
* Reading the raw preference DB data and comparing to the email preference schema defined in
* /email/class.bopreferences.inc.php (see discussion there and below) to create default preference values
* for the in the ['email'][] pref data array in cases where the user has not supplied
* a preference value for any particular preference item available to the user.
* @access Public
*/
function create_email_preferences($accountid='', $acctnum=0)
{
print_debug('class.preferences: create_email_preferences: ENTERING<br>', 'messageonly','api');
// we may need function "html_quotes_decode" from the mail_msg class
$email_base =& CreateObject("email.mail_msg");
$account_id = get_account_id($accountid);
// If the current user is not the request user, grab the preferences
// and reset back to current user.
if($account_id != $this->account_id)
{
// Temporarily store the values to a temp, so when the
// read_repository() is called, it doesn't destory the
// current users settings.
$temp_account_id = $this->account_id;
$temp_data = $this->data;
// Grab the new users settings, only if they are not the
// current users settings.
$this->account_id = $account_id;
$prefs = $this->read_repository();
// Reset the data to what it was prior to this call
$this->account_id = $temp_account_id;
$this->data = $temp_data;
}
else
{
$prefs = $this->data;
}
// are we dealing with the default email account or an extra email account?
if ($acctnum != 0)
{
// prefs are actually a sub-element of the main email prefs
// at location [email][ex_accounts][X][...pref names] => pref values
// make this look like "prefs[email] so the code below code below will do its job transparently
// obtain the desired sub-array of extra account prefs
$sub_prefs = array();
$sub_prefs['email'] = $prefs['email']['ex_accounts'][$acctnum];
// make the switch, make it seem like top level email prefs
$prefs = array();
$prefs['email'] = $sub_prefs['email'];
// since we return just $prefs, it's up to the calling program to put the sub prefs in the right place
}
print_debug('class.preferences: create_email_preferences: $acctnum: ['.$acctnum.'] ; raw $this->data dump', $this->data,'api');
// = = = = NOT-SIMPLE PREFS = = = =
// Default Preferences info that is:
// (a) not controlled by email prefs itself (mostly api and/or server level stuff)
// (b) too complicated to be described in the email prefs data array instructions
// --- [server][mail_server_type] ---
// Set API Level Server Mail Type if not defined
// if for some reason the API didnot have a mail server type set during initialization
if (empty($GLOBALS['egw_info']['server']['mail_server_type']))
{
$GLOBALS['egw_info']['server']['mail_server_type'] = 'imap';
}
// --- [server][mail_folder] ---
// ==== UWash Mail Folder Location used to be "mail", now it's changeable, but keep the
// ==== default to "mail" so upgrades happen transparently
// --- TEMP MAKE DEFAULT UWASH MAIL FOLDER ~/mail (a.k.a. $HOME/mail)
$GLOBALS['egw_info']['server']['mail_folder'] = 'mail';
// --- DELETE THE ABOVE WHEN THIS OPTION GETS INTO THE SYSTEM SETUP
// pick up custom "mail_folder" if it exists (used for UWash and UWash Maildir servers)
// else use the system default (which we temporarily hard coded to "mail" just above here)
//--- [email][mail_port] ---
// These sets the mail_port server variable
// someday (not currently) this may be a site-wide property set during site setup
// additionally, someday (not currently) the user may be able to override this with
// a custom email preference. Currently, we simply use standard port numbers
// for the service in question.
$prefs['email']['mail_port'] = $this->sub_get_mailsvr_port($prefs);
//--- [email][fullname] ---
// we pick this up from phpgw api for the default account
// the user does not directly manipulate this pref for the default email account
if ((string)$acctnum == '0')
{
$prefs['email']['fullname'] = $GLOBALS['egw_info']['user']['fullname'];
}
// = = = = SIMPLER PREFS = = = =
// Default Preferences info that is articulated in the email prefs schema array itself
// such email prefs schema array is described and established in /email/class.bopreferences
// by function "init_available_prefs", see the discussion there.
// --- create the objectified /email/class.bopreferences.inc.php ---
$bo_mail_prefs =& CreateObject('email.bopreferences');
// --- bo_mail_prefs->init_available_prefs() ---
// this fills object_email_bopreferences->std_prefs and ->cust_prefs
// we will initialize the users preferences according to the rules and instructions
// embodied in those prefs arrays, applying those rules to the unprocessed
// data read from the preferences DB. By taking the raw data and applying those rules,
// we will construct valid and known email preference data for this user.
$bo_mail_prefs->init_available_prefs();
// --- combine the two array (std and cust) for 1 pass handling ---
// when this preference DB was submitted and saved, it was hopefully so well structured
// that we can simply combine the two arrays, std_prefs and cust_prefs, and do a one
// pass analysis and preparation of this users preferences.
$avail_pref_array = $bo_mail_prefs->std_prefs;
$c_cust_prefs = count($bo_mail_prefs->cust_prefs);
for($i=0;$i<$c_cust_prefs;$i++)
{
// add each custom prefs to the std prefs array
$next_idx = count($avail_pref_array);
$avail_pref_array[$next_idx] = $bo_mail_prefs->cust_prefs[$i];
}
print_debug('class.preferences: create_email_preferences: std AND cust arrays combined:', $avail_pref_array,'api');
// --- make the schema-based pref data for this user ---
// user defined values and/or user specified custom email prefs are read from the
// prefs DB with mininal manipulation of the data. Currently the only change to
// users raw data is related to reversing the encoding of "database un-friendly" chars
// which itself may become unnecessary if and when the database handlers can reliably
// take care of this for us. Of course, password data requires special decoding,
// but the password in the array [email][paswd] should be left in encrypted form
// and only decrypted seperately when used to login in to an email server.
// --- generating a default value if necessary ---
// in the absence of a user defined custom email preference for a particular item, we can
// determine the desired default value for that pref as such:
// $this_avail_pref['init_default'] is a comma seperated seperated string which should
// be exploded into an array containing 2 elements that are:
// exploded[0] : an description of how to handle the next string element to get a default value.
// Possible "instructional tokens" for exploded[0] (called $set_proc[0] below) are:
// string
// set_or_not
// function
// init_no_fill
// varEVAL
// tells you how to handle the string in exploded[1] (called $set_proc[1] below) to get a valid
// default value for a particular preference if one is needed (i.e. if no user custom
// email preference exists that should override that default value, in which case we
// do not even need to obtain such a default value as described in ['init_default'] anyway).
// --- loop thru $avail_pref_array and process each pref item ---
$c_prefs = count($avail_pref_array);
for($i=0;$i<$c_prefs;$i++)
{
$this_avail_pref = $avail_pref_array[$i];
print_debug('class.preferences: create_email_preferences: value from DB for $prefs[email]['.$this_avail_pref['id'].'] = ['.$prefs['email'][$this_avail_pref['id']].']', 'messageonly','api');
print_debug('class.preferences: create_email_preferences: std/cust_prefs $this_avail_pref['.$i.'] dump:', $this_avail_pref,'api');
// --- is there a value in the DB for this preference item ---
// if the prefs DB has no value for this defined available preference, we must make one.
// This occurs if (a) this is user's first login, or (b) this is a custom pref which the user
// has not overriden, do a default (non-custom) value is needed.
if (!isset($prefs['email'][$this_avail_pref['id']]))
{
// now we are analizing an individual pref that is available to the user
// AND the user had no existing value in the prefs DB for this.
// --- get instructions on how to generate a default value ---
$set_proc = explode(',', $this_avail_pref['init_default']);
print_debug(' * set_proc=['.serialize($set_proc).']', 'messageonly','api');
// --- use "instructional token" in $set_proc[0] to take appropriate action ---
// STRING
if ($set_proc[0] == 'string')
{
// means this pref item's value type is string
// which defined string default value is in $set_proc[1]
print_debug('* handle "string" set_proc: ', serialize($set_proc),'api');
if (trim($set_proc[1]) == '')
{
// this happens when $this_avail_pref['init_default'] = "string, "
$this_string = '';
}
else
{
$this_string = $set_proc[1];
}
$prefs['email'][$this_avail_pref['id']] = $this_string;
}
// SET_OR_NOT
elseif ($set_proc[0] == 'set_or_not')
{
// typical with boolean options, True = "set/exists" and False = unset
print_debug('* handle "set_or_not" set_proc: ', serialize($set_proc),'api');
if ($set_proc[1] == 'not_set')
{
// leave it NOT SET
}
else
{
// opposite of boolean not_set = string "True" which simply sets a
// value it exists in the users session [email][] preference array
$prefs['email'][$this_avail_pref['id']] = 'True';
}
}
// FUNCTION
elseif ($set_proc[0] == 'function')
{
// string in $set_proc[1] should be "eval"uated as code, calling a function
// which will give us a default value to put in users session [email][] prefs array
print_debug(' * handle "function" set_proc: ', serialize($set_proc),'api');
$evaled = '';
//eval('$evaled = $this->'.$set_proc[1].'('.$account_id.');');
$code = '$evaled = $this->'.$set_proc[1].'('.$account_id.');';
print_debug(' * $code: ', $code,'api');
eval($code);
print_debug('* $evaled:', $evaled,'api');
$prefs['email'][$this_avail_pref['id']] = $evaled;
}
// INIT_NO_FILL
elseif ($set_proc[0] == 'init_no_fill')
{
// we have an available preference item that we may NOT fill with a default
// value. Only the user may supply a value for this pref item.
print_debug('* handle "init_no_fill" set_proc:', serialize($set_proc),'api');
// we are FORBADE from filling this at this time!
}
// varEVAL
elseif ($set_proc[0] == 'varEVAL')
{
// similar to "function" but used for array references, the string in $set_proc[1]
// represents code which typically is an array referencing a system/api property
print_debug('* handle "GLOBALS" set_proc:', serialize($set_proc),'api');
$evaled = '';
$code = '$evaled = '.$set_proc[1];
print_debug(' * $code:', $code,'api');
eval($code);
print_debug('* $evaled:', $evaled,'api');
$prefs['email'][$this_avail_pref['id']] = $evaled;
}
else
{
// error, no instructions on how to handle this element's default value creation
echo 'class.preferences: create_email_preferences: set_proc ERROR: '.serialize($set_proc).'<br>';
}
}
else
{
// we have a value in the database, do we need to prepare it in any way?
// (the following discussion is unconfirmed:)
// DO NOT ALTER the data in the prefs array!!!! or the next time we call
// save_repository withOUT undoing what we might do here, the
// prefs will permenantly LOOSE the very thing(s) we are un-doing
/// here until the next OFFICIAL submit email prefs function, where it
// will again get this preparation before being written to the database.
// NOTE: if database de-fanging is eventually handled deeper in the
// preferences class, then the following code would become depreciated
// and should be removed in that case.
if (($this_avail_pref['type'] == 'user_string') &&
(stristr($this_avail_pref['write_props'], 'no_db_defang') == False))
{
// this value was "de-fanged" before putting it in the database
// undo that defanging now
$db_unfriendly = $email_base->html_quotes_decode($prefs['email'][$this_avail_pref['id']]);
$prefs['email'][$this_avail_pref['id']] = $db_unfriendly;
}
}
}
// users preferences are now established to known structured values...
// SANITY CHECK
// --- [email][use_trash_folder] ---
// --- [email][use_sent_folder] ---
// is it possible to use Trash and Sent folders - i.e. using IMAP server
// if not - force settings to false
if (stristr($prefs['email']['mail_server_type'], 'imap') == False)
{
if (isset($prefs['email']['use_trash_folder']))
{
unset($prefs['email']['use_trash_folder']);
}
if (isset($prefs['email']['use_sent_folder']))
{
unset($prefs['email']['use_sent_folder']);
}
}
// DEBUG : force some settings to test stuff
//$prefs['email']['p_persistent'] = 'True';
print_debug('class.preferences: $acctnum: ['.$acctnum.'] ; create_email_preferences: $prefs[email]', $prefs['email'],'api');
print_debug('class.preferences: create_email_preferences: LEAVING', 'messageonly','api');
return $prefs;
}
}
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