[phpldapadmin] implementing per template post function hook - please help!

--- ../../../scratch/sw/phpldapadmin/orig/usr/share/phpldapadmin/lib/Template.php	2010-09-23 16:10:07.000000000 +0200
+++ lib/Template.php	2011-02-28 14:42:31.000000000 +0100
@@ -55,6 +55,8 @@
 	private $icon;
 	# Template RDN attributes
 	private $rdn;
+	# Post template function
+	private $post = array();
 
 	public function __construct($server_id,$name=null,$filename=null,$type=null,$id=null) {
 		parent::__construct($server_id,$name,$filename,$type,$id);
@@ -147,6 +149,24 @@
 
 					break;
 
+			        case('post'):
+					if (! is_array($xml_value))
+						$xml_value = array($xml_value);
+					$this->post = array();
+					foreach ($xml_value as $val) {
+						if (preg_match('/^=php\.(\w+)\((.*)\)$/',$val,$matches)) {
+							$this->post[] = array('function' => $matches[1],
+									      'args' => $matches[2]);
+						} else
+							if (! $_SESSION[APPCONFIG]->getValue('appearance','hide_template_warning'))
+								system_message(array(
+								        'title'=>sprintf('%s',_('Unknown XML setting')),
+								        'body'=>sprintf('%s <small>[%s]</small>',_('Unknown XML type setting will be ignored.'),$val),
+								        'type'=>'warn'));
+					}
+					# error_log("LEO: post: ".print_r($this->post, 1));
+					break;
+
 				default:
 					if (DEBUG_ENABLED)
 						debug_log('Case [%s]',4,0,__FILE__,__LINE__,__METHOD__,$xml_key);
@@ -1515,5 +1535,85 @@
 	public function isNoLeaf() {
 		return $this->noleaf;
 	}
+
+	/**
+	 * Function enables normal PHP functions to be called to evaluate a value.
+	 * eg: =php.Function(date;dmY)
+	 *
+	 * All arguments will be passed to the function, and its value returned.
+	 * If this used used in a POST context, the attribute values can be used as arguments.
+	 *
+	 * Mandatory Arguments:
+	 * * arg 0
+	 *   - php Function to call
+	 *
+	 * Additional arguments will be passed to the function.
+	 */
+	public function phpFunction($type, $attribute, $args) {
+		$function = array_shift($args);
+
+		if (count($args) && count($args) > 1) {
+			system_message(array(
+				'title'=>_('Too many arguments'),
+				'body'=>sprintf('%s (<b>%s</b>)',_('Function() only takes two arguments and more than two were specified'),count($args)),
+				'type'=>'warn'));
+
+			return;
+		}
+
+		$function_args = explode(',',$args[0]);
+
+		foreach($function_args as &$arg) {
+			switch ($arg) {
+			        case '$attribute$':
+					$arg = $attribute;
+					break;
+			        case '$template$':
+					$arg = $this;
+					break;
+			}
+		}
+		# error_log("LEO: Function: $function; ".print_r($function_args, 1)."\n");
+		if (function_exists($function))
+			$vals = call_user_func_array($function,$function_args);
+		else
+			system_message(array(
+				'title'=>_('Function doesnt exist'),
+				'body'=>sprintf('%s (<b>%s</b>)',_('An attempt was made to call a function that doesnt exist'),$function),
+				'type'=>'warn'));
+		return $vals;
+	}
+
+	public function postFunc() {
+		if (DEBUG_ENABLED && (($fargs=func_get_args())||$fargs='NOARGS'))
+			debug_log('Entered (%%)',5,0,__FILE__,__LINE__,__METHOD__,$fargs);
+		
+		$functions = $this->post;
+		# error_log("LEO: postFunc ".print_r($functions, 1)."\n");
+
+		if (! count($functions))
+			return true;
+
+		foreach ($functions as $func) {
+			$funcname = $func['function'];
+			$funcargs = $func['args'];
+			$args = explode(';',$funcargs);
+			switch ($funcname) {
+			        case 'Function':
+					if (! $this->phpFunction('posttemplate', null, $args))
+						return false;
+					break;
+				default:
+					if (! $_SESSION[APPCONFIG]->getValue('appearance','hide_template_warning'))
+						system_message(array(
+							'title'=>sprintf('%s [<i>%s</i>]',_('Unknown template [post] function'),$funcname),
+							'body'=>sprintf('%s <small>[=php.%s(%s)]</small>',_('The template function is not known and will be ignored.'),$funcname,$funcargs),
+							'type'=>'warn'));
+
+			}
+			
+		}
+		return true;
+	}
 }
 ?>

<?php

# LEO: Must be linked to /usr/share/phpldapadmin/lib/
# ln -s /etc/phpldapadmin/functions.custom.php /usr/share/phpldapadmin/lib/

$my_maildomain= 'klbg.n.roteskreuz.at';

function tmpl_rk_user_postfunc($template, $type) {
  $args = func_get_args();
  array_shift($args);
  global $app;
  # error_log("LEO: ".__METHOD__.": ".print_r($args, 1).", app: ".print_r($app, 1)."\n");
  # $template->getContext() (create || edit)
  # $template->isType('creation') || 'modification'

  $cnvals = $template->getAttribute('cn')->getValues();

  $uid = $template->getAttribute('uid')->getValues();
  if (count($uid) == 1)
    $uid = $uid[0];
  else
    return;
  
  if ($template->isType('creation')) {
    $maillocal = $template->getAttribute('maillocaladdress');
    if (! $maillocal->getValueCount()) {
      $maillocal->addValue($uid);

      if (count($cnvals)) {
	# add givenname.sn mail aliases
	$m = preg_replace('/^[^a-zA-Z]*(.*)[^a-zA-Z]*/', '$1', $cnvals[0]);
	$m = preg_replace('/[^a-zA-Z0-9]+/', '.', $m);
	if ($m) {
	  $maillocal->addValue($m);
	}
      }
    }

    $mail = $template->getAttribute('mail');
    if ($maillocal->getValueCount()) {
      $newmail = array();
      global $my_maildomain;
      foreach ($maillocal->getValues() as $ml) {
	$newmail[] = $ml.'@'.$my_maildomain;
      }
      $mail->setValue($newmail);
    }
  } else {
    # modification template
    1;
  }

  foreach (array('displayname', 'gecos') as $a) {
    $template->getAttribute($a)->setValue($cnvals);
  }

  system_message(array(
		       'title'=>_('Testerror'),
		       'body'=>sprintf('Leo Test Error'),
		       'type'=>'warn'));

  $server = $app['server'];
  # TODO: $template->server is private not available
  #$server->checkUniqueAttrs($template->getDN(),$template->getLDAPadd());

  # TODO:
  # use return value

  if ($template->isType('creation')) {
    # TODO
    # get_next_number if everything succeeds
  }
}

?>