include/platal.inc.php

   1 <?php
   2 /***************************************************************************
   3  *  Copyright (C) 2003-2010 Polytechnique.org                              *
   4  *  http://opensource.polytechnique.org/                                   *
   5  *                                                                         *
   6  *  This program is free software; you can redistribute it and/or modify   *
   7  *  it under the terms of the GNU General Public License as published by   *
   8  *  the Free Software Foundation; either version 2 of the License, or      *
   9  *  (at your option) any later version.                                    *
  10  *                                                                         *
  11  *  This program is distributed in the hope that it will be useful,        *
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
  14  *  GNU General Public License for more details.                           *
  15  *                                                                         *
  16  *  You should have received a copy of the GNU General Public License      *
  17  *  along with this program; if not, write to the Free Software            *
  18  *  Foundation, Inc.,                                                      *
  19  *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA                *
  20  ***************************************************************************/
  21
  22 $TIME_BEGIN = microtime(true);
  23
  24 require_once dirname(__FILE__) . '/version.inc.php';
  25 require_once dirname(__FILE__) . '/misc.inc.php';
  26
  27 define('PERMS_EXT',   'ext');
  28 define('PERMS_USER',  'user');
  29 define('PERMS_ADMIN', 'admin');
  30
  31 define('SKINNED', 0);
  32 define('SIMPLE',  1);
  33 define('NO_SKIN', 2);
  34
  35 define('NO_AUTH', 0);
  36 define('DO_AUTH', 1);
  37 define('NO_HTTPS', 2);
  38
  39 function pl_autoload($cls, array $pathes = array())
  40 {
  41     $cls  = strtolower($cls);
  42     if (starts_with($cls, 'xdb')) {
  43         $cls = 'xdb';
  44     } else if (starts_with($cls, 'pldbtable')) {
  45         $cls = 'pldbtableentry';
  46     }
  47     $basepath = dirname(dirname(dirname(__FILE__)));
  48
  49     array_unshift($pathes, 'core/classes', 'classes');
  50     foreach ($pathes as $path) {
  51         if (file_exists("$basepath/$path/$cls.php")) {
  52             if (include_once "$basepath/$path/$cls.php") {
  53                 return true;
  54             }
  55         }
  56     }
  57     return false;
  58 }
  59 pl_autoload('Env');
  60
  61 function pl_core_include($file)
  62 {
  63     return dirname(__FILE__) . '/' . $file;
  64 }
  65
  66 function pl_error_handler($errno, $errstr, $errfile, $errline)
  67 {
  68     static $errortype;
  69     if (!error_reporting())
  70         return;
  71
  72     if (!isset($errortype)) {
  73         $errortype = array (
  74             E_ERROR           => "Error",
  75             E_WARNING         => "Warning",
  76             E_PARSE           => "Parsing Error",
  77             E_NOTICE          => "Notice",
  78             E_CORE_ERROR      => "Core Error",
  79             E_CORE_WARNING    => "Core Warning",
  80             E_COMPILE_ERROR   => "Compile Error",
  81             E_COMPILE_WARNING => "Compile Warning",
  82             E_USER_ERROR      => "User Error",
  83             E_USER_WARNING    => "User Warning",
  84             E_USER_NOTICE     => "User Notice",
  85             E_STRICT          => "Runtime Notice",
  86             E_RECOVERABLE_ERROR => "Recoverable Error"
  87         );
  88     }
  89
  90     global $globals;
  91     if (isset($globals) && !$globals->debug) {
  92         if ($errno == E_NOTICE || $errno == E_USER_NOTICE || $errno == E_STRICT) {
  93             return;
  94         }
  95     }
  96
  97     $type = isset($errortype[$errno]) ? $errortype[$errno] : $errno;
  98     $errstr = utf8_encode(htmlentities($errstr));
  99     if (php_sapi_name() == 'cli') {
 100         $GLOBALS['pl_errors'] = "$type: $errstr\n  $errfile:$errline\n";
 101     } else {
 102         $GLOBALS['pl_errors'][] =
 103             "<div class='phperror'>".
 104             "<strong>{$type}</strong> <em>$errstr</em><br />".
 105             "<tt>$errfile : $errline</tt>".
 106             "</div>";
 107     }
 108 }
 109
 110 function pl_clear_errors()
 111 {
 112     unset($GLOBALS['pl_errors']);
 113 }
 114
 115 function pl_dump_env()
 116 {
 117     echo "<div class='phperror'><pre>";
 118     echo "\nSESSION: " . session_id(); var_dump($_SESSION);
 119     echo "\nPOST:    "; var_dump($_POST);
 120     echo "\nGET:     "; var_dump($_GET);
 121     echo "\nCOOKIE:  "; var_dump($_COOKIE);
 122     echo "</pre></div>";
 123 }
 124
 125 function pl_print_errors()
 126 {
 127     if (!empty($GLOBALS['pl_errors'])) {
 128         print join("\n", $GLOBALS['pl_errors']);
 129     }
 130 }
 131
 132 set_error_handler('pl_error_handler', E_ALL | E_STRICT);
 133 register_shutdown_function('pl_print_errors');
 134 //register_shutdown_function('pl_dump_env');
 135
 136 /** Check if the string is utf8
 137  */
 138 function is_utf8($s)
 139 {
 140     return @iconv('utf-8', 'utf-8', $s) == $s;
 141 }
 142
 143 /** vérifie si une adresse email est bien formatée  * ATTENTION, cette fonction ne doit pas être appelée sur une chaîne ayant subit un addslashes (car elle accepte le "'" qui it alors un "\'"
 144  * @param $email l'adresse email a verifier
 145  * @return BOOL  */
 146 function isvalid_email($email)
 147 {
 148     // la rfc2822 authorise les caractères "a-z", "0-9", "!", "#", "$", "%", "&", "'", "*", "+", "-", "/", "=", "?", "^",  `", "{", "|", "}", "~" aussi bien dans la partie locale que dans le domaine.
 149     // Pour la partie locale, on réduit cet ensemble car il n'est pas utilisé.
 150     // Pour le domaine, le système DNS limite à [a-z0-9.-], on y ajoute le "_" car il est parfois utilisé.
 151     return preg_match("/^[a-z0-9_.'+-]+@[a-z0-9._-]+\.[a-z]{2,6}$/i", $email);
 152 }
 153
 154 function pl_url($path, $query = null, $fragment = null)
 155 {
 156     global $platal;
 157
 158     $base = $platal->ns . $path . ($query ? '?'.$query : '');
 159     return $fragment ? $base.'#'.$fragment : $base;
 160 }
 161
 162 function pl_self($n = null) {
 163     global $platal;
 164     return $platal->pl_self($n);
 165 }
 166
 167 function http_redirect($fullurl)
 168 {
 169     Platal::session()->close();
 170     header('Location: '. $fullurl);
 171     exit;
 172 }
 173
 174 function pl_redirect($path, $query = null, $fragment = null)
 175 {
 176     global $globals;
 177     http_redirect($globals->baseurl . '/' . pl_url($path, $query, $fragment));
 178 }
 179
 180 function pl_entities($text, $mode = ENT_COMPAT)
 181 {
 182     return htmlentities($text, $mode, 'UTF-8');
 183 }
 184
 185 function pl_entity_decode($text, $mode = ENT_COMPAT)
 186 {
 187     return html_entity_decode($text, $mode, 'UTF-8');
 188 }
 189
 190 function pl_flatten_aux(array &$dest, array $src)
 191 {
 192     foreach ($src as $val) {
 193         if (is_array($val)) {
 194             pl_flatten_aux($dest, $val);
 195         } else {
 196             $dest[] = $val;
 197         }
 198     }
 199 }
 200
 201 function pl_flatten(array $array)
 202 {
 203     $res = array();
 204     pl_flatten_aux($res, $array);
 205     return $res;
 206 }
 207
 208 /**
 209  * Returns the path of a static content, including, when appropriate, the
 210  * version number. This is used to avoid cross-version cache issues, by ensuiring
 211  * that all static resources are served on a unique path.
 212  */
 213 function pl_static_content_path($path, $filename)
 214 {
 215     global $globals;
 216     if (isset($globals) && isset($globals->version)) {
 217         return $path . $globals->version . '/' . $filename;
 218     } else {
 219         return $path . $filename;
 220     }
 221 }
 222
 223 /**
 224  * Adds content type headers; by default the encoding used is utf-8.
 225  */
 226 function pl_content_headers($content_type, $encoding = 'utf-8')
 227 {
 228     if (is_null($encoding)) {
 229         header("Content-Type: $content_type");
 230     } else {
 231         header("Content-Type: $content_type; charset=$encoding");
 232     }
 233 }
 234
 235 /**
 236  * Adds content type and caching headers for content generated by plat/al. The
 237  * cache duration defaults to the global static_cache_duration. No encoding is
 238  * applied by default.
 239  */
 240 function pl_cached_content_headers($content_type, $encoding = null, $cache_duration = -1)
 241 {
 242     global $globals;
 243     $cache_duration = ($cache_duration < 0 ? $globals->static_cache_duration : $cache_duration);
 244
 245     header("Cache-Control: max-age=$cache_duration");
 246     header("Expires: " . gmdate('D, d M Y H:i:s', time() + $cache_duration) . " GMT");
 247     header("Pragma: ");
 248     pl_content_headers($content_type, $encoding);
 249 }
 250
 251 /**
 252  * Same as above, but applying an expiration time suitable for cacheable dynamic
 253  * content (eg. photos, logos, ...).
 254  */
 255 function pl_cached_dynamic_content_headers($content_type, $encoding = null)
 256 {
 257     global $globals;
 258     pl_cached_content_headers($content_type, $encoding, $globals->dynamic_cache_duration);
 259 }
 260
 261 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
 262 ?>