Clean errors detected by PHPstan (level 1)

phpstan.neon

@@ -1,5 +1,5 @@
 parameters:
-    level: 0
+    level: 1
     paths:
         - src
     excludePaths:
@@ -7,10 +7,20 @@ parameters:
         - src/tmp
         # Error message "Class Smarty_Resource_LdapSaisie extends unknown class Smarty_Resource_Custom." cannot be ignored, use excludePaths instead.
         - src/includes/class/class.LStemplate_smarty3_support.php
+    bootstrapFiles:
+        - src/includes/core.php
+    universalObjectCratesClasses:
+        - LSsearch
+        - LSsearchEntry
+        - LSrelation
+        - LSlog_handler
+        - LSlog_logger
+        - LSldapObject
+        - LSurlRequest
     ignoreErrors:
         - "#Instantiated class (Smarty|Console_Table|ZxcvbnPhp\\\\Zxcvbn|phpseclib\\\\Crypt\\\\RSA|phpseclib\\\\Net\\\\SFTP|phpseclib\\\\Net\\\\SSH2|Net_FTP) not found\\.#"
         - "#Call to static method (connect|isError)\\(\\) on an unknown class Net_LDAP2\\.#"
-        - "#Class (Net_LDAP2_Filter|Net_LDAP2_Entry|PEAR_Error) not found\\.#"
+        - "#(Class|Constant) (Net_LDAP2_Filter|Net_LDAP2_Entry|PEAR_Error) not found\\.#"
         - "#Call to static method (create|parse|combine|escape)\\(\\) on an unknown class Net_LDAP2_Filter\\.#"
         - "#Call to static method (createFresh)\\(\\) on an unknown class Net_LDAP2_Entry\\.#"
         - "#Call to static method (forceAuthentication|getUser|logout|setDebug|client|setNoCasServerValidation|setCasServerCACert|setExtraCurlOption)\\(\\) on an unknown class phpCAS\\.#"

src/includes/addons/LSaddons.asterisk.php

@@ -105,7 +105,7 @@ LSerror :: defineError('ASTERISK_03',
     }
 
     $password = $ldapObject -> attrs[ LS_ASTERISK_USERPASSWORD_ATTR ] -> ldap -> getClearPassword();
-    if (!$password or empty($password)) {
+    if (!$password) {
       LSerror :: addErrorCode('ASTERISK_03');
       return;
     }

src/includes/addons/LSaddons.dyngroup.php

@@ -304,15 +304,15 @@ function triggerUpdateDynGroupsMembersCacheOnUserChanges(&$user, &$changed_attrs
       continue;
     }
 
-    $is_impacted = false;
+    $impacted_attr = null;
     foreach($filter_attrs as $attr) {
       if (in_array(strtolower($attr), $changed_attrs)) {
-        $is_impacted = true;
+        $impacted_attr = $attr;
         break;
       }
     }
 
-    if (!$is_impacted) {
+    if (!$impacted_attr) {
       LSlog :: get_logger('LSaddon_dyngroup') -> debug(
         "triggerUpdateDynGroupsMembersCacheOnUserChanges($user): $group is NOT impacted by user's changes."
       );
@@ -320,7 +320,7 @@ function triggerUpdateDynGroupsMembersCacheOnUserChanges(&$user, &$changed_attrs
     }
     LSlog :: get_logger('LSaddon_dyngroup') -> debug(
       "triggerUpdateDynGroupsMembersCacheOnUserChanges($user): $group is impacted by user's changes ".
-      "(at least by attribute '$attr')."
+      "(at least by attribute '$impacted_attr')."
     );
     $impacted_dyngroups++;
     if (updateDynGroupMembersCache($group, false))

src/includes/addons/LSaddons.ppolicy.php

@@ -201,6 +201,7 @@ function ppolicy_extraDisplayColumn_password_expiration($entry) {
  * @return boolean Void if CSV file is successfully generated and upload, false in other case
  */
 function ppolicy_export_search_info($LSsearch, $as_csv=true, $return=false) {
+  $csv = null;
   if ($as_csv) {
     $csv = fopen('php://temp/maxmemory:'. (5*1024*1024), 'r+');
 
@@ -224,6 +225,7 @@ function ppolicy_export_search_info($LSsearch, $as_csv=true, $return=false) {
     return false;
   }
 
+  $data = array();
   if ($as_csv) {
     $headers = array($LSsearch->label_objectName, 'DN');
     foreach($attrs as $attr) {
@@ -236,9 +238,6 @@ function ppolicy_export_search_info($LSsearch, $as_csv=true, $return=false) {
       return false;
     }
   }
-  else {
-    $data = array();
-  }
 
   foreach ($LSsearch -> getSearchEntries() as $e) {
     $row = array(
@@ -250,7 +249,7 @@ function ppolicy_export_search_info($LSsearch, $as_csv=true, $return=false) {
       if ($as_csv) {
         $values = ensureIsArray($e -> get($attr));
         if ($values) {
-          $row[] = ($as_json?$values:implode('|', $values));
+          $row[] = implode('|', $values);
         }
         else {
           $no_value_label = LSconfig::get(

src/includes/addons/LSaddons.ssh.php

@@ -223,7 +223,7 @@ LSerror :: defineError('SSH_07',
   *
   * @retval boolean
   */
-  function removeDirsBySFTP($connection_params, $dirs, $recursive=false) {
+  function removeDirsBySFTP($connection_params, $dirs, $recursive=false, $continue=false) {
     $cnx = connectToSSH($connection_params, true);
     if (! $cnx){
       return;

src/includes/class/class.LSattr_ldap_password.php

@@ -146,6 +146,7 @@ class LSattr_ldap_password extends LSattr_ldap {
         break;
       case 'sha256':
       case 'sha512':
+        $mhash_type = null;
         switch($encode) {
           case 'sha256':
             $mhash_type = MHASH_SHA256;
@@ -163,6 +164,7 @@ class LSattr_ldap_password extends LSattr_ldap {
       case 'ssha':
       case 'ssha256':
       case 'ssha512':
+        $mhash_type = null;
         switch($encode) {
           case 'ssha':
             $mhash_type = MHASH_SHA1;
@@ -263,12 +265,10 @@ class LSattr_ldap_password extends LSattr_ldap {
       return (strcasecmp(call_user_func_array($encodeFunction, array(&$this -> attribute -> ldapObject, $clearPassword)), $hashedPassword) == 0);
 
     // Extract cipher
+    $hashedPasswordData = $cypher = null;
     if (preg_match('/{([^}]+)}(.*)/',$hashedPassword,$matches)) {
       $hashedPasswordData = $matches[2];
       $cypher = strtolower($matches[1]);
-
-    } else {
-      $cypher = null;
     }
 
     // Verify password according on cypher

src/includes/class/class.LSattribute.php

@@ -699,7 +699,7 @@ class LSattribute extends LSlog_staticLoggerClass {
               call_user_func_array($e['fct'], array(&$e['params']));
             }
             catch(Exception $er) {
-              self :: log_exception($er, strval($this)." -> fireEvent($event): exception occured running ".format_callable(e['fct']));
+              self :: log_exception($er, strval($this)." -> fireEvent($event): exception occured running ".format_callable($e['fct']));
               $return = false;
             }
           }

src/includes/class/class.LSformElement_image.php

@@ -110,7 +110,7 @@ class LSformElement_image extends LSformElement {
           $php_debug_params[] = "$param = '".ini_get($param)."'";
         $php_debug_params[] = "HTML form MAX_FILE_SIZE = '".MAX_SEND_FILE_SIZE."'";
         self :: log_debug('LSformElement_image('.$this->name.')->getPostData(): '.implode(', ', $php_debug_params));
-        $this -> form -> setElementError($this -> attr_html, $this -> getFileUploadErrorMessage($_FILES[$this -> name]));
+        $this -> form -> setElementError($this -> attr_html, $this -> getFileUploadErrorMessage());
         return false;
       }
     }
@@ -143,7 +143,7 @@ class LSformElement_image extends LSformElement {
    * @retval string The translated file upload error message
    */
   private function getFileUploadErrorMessage() {
-    if (isset($_FILES) && isset($_FILES[$this -> name]) && isset($_FILES[$this -> name]['error'])) {
+    if (isset($_FILES[$this -> name]) && isset($_FILES[$this -> name]['error'])) {
       switch($_FILES[$this -> name]['error']) {
         case UPLOAD_ERR_INI_SIZE:
           return _('The uploaded file size exceeds the limit accepted by the server.');

src/includes/class/class.LSformElement_select.php

@@ -192,10 +192,8 @@ class LSformElement_select extends LSformElement {
  *
  * @retval void
  **/
-function LSformElement_select_checkIsValidValue($params,$template) {
+function LSformElement_select_checkIsValidValue($params, $template) {
-  extract($params);
+  $ret = LSformElement_select :: _isValidValue($params['value'], $params['possible_values']);
-
-  $ret = LSformElement_select :: _isValidValue($value, $possible_values);
 
   if ($ret===False) {
     $label='';

src/includes/class/class.LSformElement_supannCompositeAttribute.php

@@ -400,7 +400,7 @@ class LSformElement_supannCompositeAttribute extends LSformElement {
     }
     self :: log_debug($this." -> getPostData(): POST data = ".varDump($parseValues));
 
-    if (!$parseValue && $onlyIfPresent)
+    if (!$parseValues && $onlyIfPresent)
       return true;
 
     $return[$this -> name] = array();
@@ -572,7 +572,7 @@ class LSformElement_supannCompositeAttribute extends LSformElement {
   public function getApiValue($details=false) {
     $values = array();
     foreach(ensureIsArray($this -> values) as $value) {
-      $decodedValue = $this -> parseCompositeValue($value, true);
+      $decodedValue = $this -> parseCompositeValue($value);
       if (is_array($decodedValue)) {
         $parsedValue = array();
         foreach(array_keys($this -> components) as $c) {

src/includes/class/class.LSformElement_text.php

@@ -178,6 +178,7 @@ class LSformElement_text extends LSformElement {
           );
         }
         else {
+          $filters = array();
           foreach($value_attributes as $attr) {
             $filters[] = Net_LDAP2_Filter::create($attr, 'contains', $pattern);
           }
@@ -217,19 +218,18 @@ class LSformElement_text extends LSformElement {
             foreach($value_attributes as $attr) {
               if (!isset($object['attrs'][$attr])) continue;
               $values = ensureIsArray($object['attrs'][$attr]);
-              foreach($values as $value)
+              foreach($values as $value) {
-
+                $ret[$value] = (
-                if ($displayNameFormat)
+                  $displayNameFormat?
-                  $displayName = getFData(
+                  getFData(
                     $displayNameFormat,
                     array_merge(
                       array('value' => $value, 'dn' => $object['dn']),
                       $object['attrs']
                     )
+                  ):$value
                 );
-                else
+              }
-                  $displayName = $value;
-                $ret[$value] = $displayName;
             }
           }
         }

src/includes/class/class.LSformRule.php

@@ -166,6 +166,7 @@ class LSformRule extends LSlog_staticLoggerClass {
     $rule_name = null;
     $rule_class = null;
     $rule_name_arg_num = null;
+    $rule_name_quote_char = null;
     $params = array();
     for ($i=0; $i < count($command_args); $i++) {
       switch ($command_args[$i]) {

src/includes/class/class.LSformRule_zxcvbn.php

@@ -20,14 +20,6 @@
 
 ******************************************************************************/
 
-use ZxcvbnPhp\Zxcvbn;
-LSsession :: includeFile(
-  LSconfig :: get(
-    'params.zxcvbn_autoload_path', 'Zxcvbn/autoload.php',
-    'string', $options
-  ), true
-);
-
 /**
  * Rule to validate password using ZXCVBN-PHP lib
  *
@@ -55,7 +47,13 @@ class LSformRule_zxcvbn extends LSformRule {
    * @return boolean True if value is valid, False otherwise
    */
   public static function validate($value, $options, &$formElement) {
-    $zxcvbn = new Zxcvbn();
+    LSsession :: includeFile(
+      LSconfig :: get(
+        'params.zxcvbn_autoload_path', 'Zxcvbn/autoload.php',
+        'string', $options
+      ), true
+    );
+    $zxcvbn = new ZxcvbnPhp\Zxcvbn();
     $userData = array();
     $userDataAttrs = LSconfig :: get('params.userDataAttrs', array(), 'array', $options);
     if ($userDataAttrs) {

src/includes/class/class.LSlang.php

@@ -470,7 +470,7 @@ function _cli_parse_php_file($file) {
             $i++;
           }
         }
-        elseif (!empty($quote)) {
+        elseif ($quote) {
           // Quote char already detected : try to detect end quote char
           if ($line[$i]=='\\') {
             // Escape char detected : pass this char and the following one
@@ -644,7 +644,7 @@ function cli_generate_lang_file($command_args) {
         $only = strtolower($command_args[$i]);
         if (!in_array($only, $available_onlys))
           LScli :: usage("Invalid -O/--only parameter. Must be one of the following values : '".implode("','", $available_onlys)."'.");
-        elseif ($without)
+        elseif ($withouts)
           LScli :: usage("You could not use only -O/--only parameter combined with -W/--without parameter.");
         break;
 
@@ -914,6 +914,7 @@ function cli_generate_lang_file($command_args) {
   if ($output) {
     $output = _cli_relative2absolute_path($output);
     $LSlang_cli_logger -> info("Write result in output file ($output)");
+    $fd = null;
     try {
       $LSlang_cli_logger -> debug("Open output file ($output)");
       $fd = fopen($output, 'w');

src/includes/class/class.LSldap.php

@@ -459,7 +459,7 @@ class LSldap extends LSlog_staticLoggerClass {
         }
       }
       else {
-        if (!is_empty($val)) {
+        if (!is_empty($attrVal)) {
           $drop = false;
           $changed_attrs[$attrName][]=$attrVal;
         }

src/includes/class/class.LSldapObject.php

@@ -158,7 +158,7 @@ class LSldapObject extends LSlog_staticLoggerClass {
   public function getDisplayName($spe=null, $full=false) {
     if (is_null($spe))
       $spe = $this -> getDisplayNameFormat();
-    $val = $this -> getFData($spe, $this -> attrs, 'getDisplayValue');
+    $val = $this -> getDisplayFData($spe);
     if (LSsession :: haveSubDn() && $full) {
       $val.=' ('.$this -> subDnName.')';
     }
@@ -216,11 +216,13 @@ class LSldapObject extends LSlog_staticLoggerClass {
     $LSform = new LSform($this, $idForm, null, $api_mode);
     $this -> forms[$idForm] = array($LSform, $load);
 
+    $loadObject = null;
     if ($load) {
       $type = $this -> getType();
       $loadObject = new $type();
       if (!$loadObject -> loadData($load)) {
-        $load=false;
+        $load = false;
+        $loadObject = null;
       }
     }
 
@@ -761,18 +763,19 @@ class LSldapObject extends LSlog_staticLoggerClass {
    *                  - [1] : les paramètres suivants
    */
   public static function getDnInfos($dn) {
-    $infos=ldap_explode_dn($dn,0);
+    $infos = ldap_explode_dn($dn, 0);
     if(!$infos)
       return;
-    $first=true;
+    $first = true;
-    for($i=1;$i<$infos['count'];$i++)
+    $basedn = "";
+    for($i=1; $i<$infos['count']; $i++)
       if($first) {
-        $basedn.=$infos[$i];
+        $basedn .= $infos[$i];
-        $first=false;
+        $first = false;
       }
       else
-        $basedn.=','.$infos[$i];
+        $basedn .= ','.$infos[$i];
-    return array($infos[0],$basedn);
+    return array($infos[0], $basedn);
   }
 
   /**
@@ -2449,7 +2452,7 @@ class LSldapObject extends LSlog_staticLoggerClass {
      * @retval boolean True on success, false otherwise
      **/
     public static function cli_create($command_args) {
-      $objType = null;
+      $objType = $obj = null;
       $delimiter = "|";
       $confirm = true;
       $just_try = false;
@@ -2484,6 +2487,7 @@ class LSldapObject extends LSlog_staticLoggerClass {
         }
       }
 
+      // @phpstan-ignore-next-line
       if (is_null($objType) || empty($attrs_values))
         LScli :: usage('You must provide LSobject type, DN and at least one change.');
 
@@ -2612,7 +2616,7 @@ class LSldapObject extends LSlog_staticLoggerClass {
      * @retval boolean True on success, false otherwise
      **/
     public static function cli_modify($command_args) {
-      $objType = null;
+      $objType = $obj = null;
       $dn = null;
       $delimiter = "|";
       $confirm = true;
@@ -2651,6 +2655,7 @@ class LSldapObject extends LSlog_staticLoggerClass {
         }
       }
 
+      // @phpstan-ignore-next-line
       if (is_null($objType) || is_null($dn) || empty($changes))
         LScli :: usage('You must provide LSobject type, DN and at least one change.');
 

src/includes/class/class.LSlog_console.php

@@ -43,7 +43,7 @@ class LSlog_console extends LSlog_handler {
     $this -> stdout = fopen('php://stdout', 'w');
     $this -> stderr = fopen('php://stderr', 'w');
     if ($this -> enabled)
-      self :: log_trace("$this Enabled", get_class($this));
+      self :: log_trace("$this Enabled");
   }
 
   /**

src/includes/class/class.LSlog_email.php

@@ -44,7 +44,7 @@ class LSlog_email extends LSlog_handler {
     parent :: __construct($config);
     $this -> recipient = self :: getConfig('recipient');
     if ($this -> enabled)
-      self :: log_trace("$this Enabled", get_class($this));
+      self :: log_trace("$this Enabled");
   }
 
   /**

src/includes/class/class.LSlog_file.php

@@ -44,7 +44,7 @@ class LSlog_file extends LSlog_handler {
     if (substr($this -> path, 0, 1) != '/')
       $this -> path = LS_ROOT_DIR."/".$this -> path;
     if ($this -> enabled)
-      self :: log_trace("$this Enabled", get_class($this));
+      self :: log_trace("$this Enabled");
   }
 
   /**

src/includes/class/class.LSlog_syslog.php

@@ -60,7 +60,7 @@ class LSlog_syslog extends LSlog_handler {
     parent :: __construct($config);
     $this -> priority = static :: getConfig('priority');
     if ($this -> enabled)
-      self :: log_trace("$this Enabled", get_class($this));
+      self :: log_trace("$this Enabled");
   }
 
   /**

src/includes/class/class.LSlog_system.php

@@ -40,7 +40,7 @@ class LSlog_system extends LSlog_handler {
   public function __construct($config) {
     parent :: __construct($config);
     if ($this -> enabled)
-      self :: log_trace("$this Enabled", get_class($this));
+      self :: log_trace("$this Enabled");
   }
 
   /**

src/includes/class/class.LSmail.php

@@ -37,28 +37,28 @@ class LSmail {
   }
 
   public static function ajax_display(&$data) {
-    if (isset($_REQUEST['object']['type']) && isset($_REQUEST['object']['dn'])) {
-      if (LSsession ::loadLSobject($_REQUEST['object']['type'])) {
-        $obj = new $_REQUEST['object']['type']();
-        $obj -> loadData($_REQUEST['object']['dn']);
-        $msg = $obj -> getFData($_REQUEST['msg']);
-        $subject = $obj -> getFData($_REQUEST['subject']);
-      }
-    }
-    else {
     $msg = $_REQUEST['msg'];
     $subject = $_REQUEST['subject'];
+    if (
+      isset($_REQUEST['object']['type'])
+      && isset($_REQUEST['object']['dn'])
+      && LSsession ::loadLSobject($_REQUEST['object']['type'])
+    ) {
+      $obj = new $_REQUEST['object']['type']();
+      $obj -> loadData($_REQUEST['object']['dn']);
+      $msg = $obj -> getFData($msg);
+      $subject = $obj -> getFData($subject);
     }
 
-    LStemplate :: assign('LSmail_msg',$msg);
+    LStemplate :: assign('LSmail_msg', $msg);
-    LStemplate :: assign('LSmail_subject',$subject);
+    LStemplate :: assign('LSmail_subject', $subject);
-    LStemplate :: assign('LSmail_options',$_REQUEST['options']);
+    LStemplate :: assign('LSmail_options', $_REQUEST['options']);
 
     if (is_array($_REQUEST['mails'])) {
-      LStemplate :: assign('LSmail_mails',$_REQUEST['mails']);
+      LStemplate :: assign('LSmail_mails', $_REQUEST['mails']);
     }
     else if(empty($_REQUEST['mails'])) {
-      LStemplate :: assign('LSmail_mails',array($_REQUEST['mails']));
+      LStemplate :: assign('LSmail_mails', array($_REQUEST['mails']));
     }
 
     $data = array(

src/includes/class/class.LSsearch.php

@@ -719,7 +719,7 @@ class LSsearch extends LSlog_staticLoggerClass {
           return;
         }
       }
-      if(!empty($filters)) {
+      if($filters) {
         $filter=LSldap::combineFilters('or',$filters);
         if ($filter) {
           return $filter;

src/includes/class/class.LSsearchEntry.php

@@ -42,16 +42,19 @@ class LSsearchEntry extends LSlog_staticLoggerClass {
   private $params = array();
 
   // The attributes list
-  private $attrs_list=array();
+  private $attrs_list = array();
 
   // The attributes values
-  private $attrs=array();
+  private $attrs = array();
+
+  // The index of the entry in the result of the search
+  private $id = null;
 
   // Cache
-  private $cache=array();
+  private $cache = array();
 
   // Other values
-  private $other_values=array();
+  private $other_values = array();
 
   /**
    * Constructor

src/includes/class/class.LSsession.php

@@ -373,7 +373,7 @@ class LSsession {
           'libs_dir'      => LS_ROOT_DIR. '/'. LS_LIB_DIR,
           'compile_dir'   => LS_TMP_DIR_PATH,
           'debug'         => LSdebug,
-          'debug_smarty'  => (isset($_REQUEST) && isset($_REQUEST['LStemplate_debug'])),
+          'debug_smarty'  => isset($_REQUEST['LStemplate_debug']),
         )
       ))
         return False;
@@ -865,7 +865,7 @@ class LSsession {
       if (self :: $ldapServerId) {
         LStemplate :: assign('ldapServerId',self :: $ldapServerId);
       }
-      if (isset($_GET['LSsession_recoverPassword'])) {
+      if (isset($recoveryPasswordInfos)) {
         self :: displayRecoverPasswordForm($recoveryPasswordInfos);
       }
       elseif(LSauth :: displayLoginForm()) {
@@ -1838,7 +1838,7 @@ class LSsession {
       }
 
       if (LSerror :: errorsDefined()) {
-        $data['errors'] = LSerror :: getErrors(self :: $api_mode);
+        $data['errors'] = LSerror :: getErrors();
       }
 
       if (!self :: $api_mode && LSdebugDefined()) {

src/includes/class/class.LStemplate.php

@@ -652,18 +652,15 @@ class LStemplate extends LSlog_staticLoggerClass {
 }
 
 function LStemplate_smarty_getFData($params) {
-    extract($params);
+    echo getFData($params['format'], $params['data'], $meth=NULL);
-    echo getFData($format,$data,$meth=NULL);
 }
 
 function LStemplate_smarty_tr($params) {
-  extract($params);
+  echo __($params['msg']);
-  echo __($msg);
 }
 
 function LStemplate_smarty_img($params) {
-  extract($params);
+  echo "image/".$params['name'];
-  echo "image/$name";
 }
 
 function LStemplate_smarty_css($params) {

src/includes/class/class.LSurl.php

@@ -131,7 +131,7 @@ class LSurl extends LSlog_staticLoggerClass {
         // Reset last redirect
         if (isset($_SESSION['last_redirect']))
           unset($_SESSION['last_redirect']);
-        self :: log_debug("URL : result :\n".varDump($request, 1));
+        self :: log_debug("URL : result :\n".varDump($request));
         return $request;
       }
     }

src/includes/core.php

@@ -24,7 +24,7 @@
 ini_set( 'magic_quotes_gpc', 'off' );
 ini_set( 'magic_quotes_sybase', 'off' );
 ini_set( 'magic_quotes_runtime', 'off' );
-if ((isset($_REQUEST) && isset($_REQUEST['LSdebug'])) || (isset($_SERVER['HTTP_HOST']) && preg_match('/^127\.[0-9]+\.[0-9]+\.[0-9]+$/', $_SERVER['HTTP_HOST'])))
+if (isset($_REQUEST['LSdebug']) || (isset($_SERVER['HTTP_HOST']) && preg_match('/^127\.[0-9]+\.[0-9]+\.[0-9]+$/', $_SERVER['HTTP_HOST'])))
 	error_reporting(E_ALL);
 else
 	error_reporting(E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED);

src/includes/routes.php

@@ -262,6 +262,8 @@ LSurl :: add_handler('#^global_search\.php#', 'handle_old_global_search_php', fa
  * @retval void
  **/
 function handle_static_file($request) {
+  $path = null;
+  $mime_type = null;
   switch ($request -> type) {
     case 'image':
       $path = LStemplate :: getImagePath($request -> file);