classes/platalpage.php

   1 <?php
   2 /***************************************************************************
   3  *  Copyright (C) 2003-2008 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 require_once 'smarty/libs/Smarty.class.php';
  23
  24 abstract class PlatalPage extends Smarty
  25 {
  26     private $_page_type;
  27     private $_tpl;
  28     private $_errors;
  29     private $_failure;
  30     private $_jsonVars;
  31
  32     // {{{ function PlatalPage()
  33
  34     public function __construct($tpl, $type = SKINNED)
  35     {
  36         parent::Smarty();
  37
  38         global $globals;
  39
  40         $this->caching       = false;
  41         $this->config_overwrite = false;
  42         $this->use_sub_dirs  = false;
  43         $this->template_dir  = $globals->spoolroot."/templates/";
  44         $this->compile_dir   = $globals->spoolroot."/spool/templates_c/";
  45         array_unshift($this->plugins_dir, $globals->spoolroot."/plugins/");
  46         $this->config_dir    = $globals->spoolroot."/configs/";
  47
  48         $this->compile_check = !empty($globals->debug);
  49
  50         $this->changeTpl($tpl, $type);
  51         $this->_errors    = array('errors' => array());
  52         $this->_jsonVars  = array();
  53         $this->_failure   = false;
  54
  55         if ($globals->mode != 'rw') {
  56             $this->trigError("En raison d'une maintenance, une partie des fonctionnalités du site sont"
  57                       . " actuellement désactivée, en particuliers aucune donnée ne sera sauvegardée");
  58         }
  59         $this->register_prefilter('at_to_globals');
  60         $this->addJsLink('xorg.js');
  61         $this->addJsLink('jquery.js');
  62     }
  63
  64     // }}}
  65     // {{{ function changeTpl()
  66
  67     public function changeTpl($tpl, $type = SKINNED)
  68     {
  69       $this->_tpl       = $tpl;
  70       $this->_page_type = $type;
  71       $this->assign('xorg_tpl', $tpl);
  72     }
  73
  74     // }}}
  75     // {{{ function raw()
  76
  77     public function raw()
  78     {
  79         global $globals;
  80         $this->assign('globals', $globals);
  81         return $this->fetch($this->_tpl);
  82     }
  83
  84     // }}}
  85     // {{{ function _run()
  86
  87     protected function _run($skin)
  88     {
  89         global $globals, $TIME_BEGIN;
  90
  91         session_write_close();
  92
  93         $this->register_prefilter('trimwhitespace');
  94         $this->register_prefilter('form_force_encodings');
  95         $this->register_prefilter('wiki_include');
  96         $this->register_prefilter('if_has_perms');
  97         $this->assign('xorg_triggers', $this->_errors);
  98         $this->assign('xorg_errors', $this->nb_errs());
  99         $this->assign('xorg_failure', $this->_failure);
 100         $this->assign('globals', $globals);
 101
 102         if (Env::has('json') && count($this->_jsonVars)) {
 103             return $this->jsonDisplay();
 104         }
 105
 106         if (Env::v('display') == 'light') {
 107             $this->_page_type = SIMPLE;
 108         } elseif (Env::v('display') == 'raw') {
 109             $this->_page_type = NO_SKIN;
 110         } elseif (Env::v('display') == 'full') {
 111             $this->_page_typ = SKINNED;
 112         }
 113
 114         switch ($this->_page_type) {
 115           case NO_SKIN:
 116             if (!($globals->debug & DEBUG_SMARTY)) {
 117                 error_reporting(0);
 118             }
 119             $this->display($this->_tpl);
 120             exit;
 121
 122           case SIMPLE:
 123             $this->assign('simple', true);
 124
 125           case SKINNED:
 126             $this->register_modifier('escape_html', 'escape_html');
 127             $this->default_modifiers = Array('@escape_html');
 128         }
 129         if (S::i('auth') <= AUTH_PUBLIC) {
 130             $this->register_outputfilter('hide_emails');
 131         }
 132         $this->addJsLink('wiki.js');
 133         header("Accept-Charset: utf-8");
 134         if (Env::v('forceXml')) {
 135             header("Content-Type: text/xml; charset=utf-8");
 136         }
 137
 138         if (!$globals->debug) {
 139             error_reporting(0);
 140             $this->display($skin);
 141             exit;
 142         }
 143
 144         $this->assign('validate', true);
 145         if (!($globals->debug & DEBUG_SMARTY)) {
 146             error_reporting(0);
 147         }
 148         $START_SMARTY = microtime(true);
 149         $result = $this->fetch($skin);
 150         $ttime  = sprintf('Temps total: %.02fs (Smarty %.02fs) - Mémoire totale : %dKo<br />',
 151                           microtime(true) - $TIME_BEGIN, microtime(true) - $START_SMARTY,
 152                           memory_get_peak_usage(true) / 1024);
 153         if ($globals->debug & DEBUG_BT) {
 154             PlBacktrace::clean();
 155             $this->assign_by_ref('backtraces', PlBacktrace::$bt);
 156             $result = str_replace('@@BACKTRACE@@', $this->fetch('skin/common.backtrace.tpl'), $result);
 157         } else {
 158             $result = str_replace('@@BACKTRACE@@', '', $result);
 159         }
 160
 161         $replc  = "<span class='erreur'>VALIDATION HTML INACTIVE</span><br />";
 162         if ($globals->debug & DEBUG_VALID) {
 163             $fd = fopen($this->compile_dir."/valid.html","w");
 164             fwrite($fd, $result);
 165             fclose($fd);
 166
 167             exec($globals->spoolroot."/bin/devel/xhtml.validate.pl ".$this->compile_dir."/valid.html", $val);
 168             foreach ($val as $h) {
 169                 if (preg_match("/^X-W3C-Validator-Errors: (\d+)$/", $h, $m)) {
 170                     $replc = '<span style="color: #080;">HTML OK</span><br />';
 171                     if ($m[1]) {
 172                         $replc = "<span class='erreur'><a href='http://validator.w3.org/check?uri={$globals->baseurl}"
 173                             ."/valid.html&amp;ss=1#result'>{$m[1]} ERREUR(S) !!!</a></span><br />";
 174                     }
 175                     break;
 176                 }
 177             }
 178         }
 179
 180         echo str_replace("@HOOK@", $ttime.$replc, $result);
 181         exit;
 182     }
 183
 184     abstract public function run();
 185
 186     // }}}
 187     // {{{ function nb_errs()
 188
 189     public function nb_errs()
 190     {
 191         return count($this->_errors['errors']);
 192     }
 193
 194     // }}}
 195     // {{{ function trig()
 196
 197     private function trig($msg, $type = 'errors')
 198     {
 199         if (!isset($this->_errors[$type])) {
 200             $this->_errors[$type] = array();
 201         }
 202         $this->_errors[$type][] = $msg;
 203     }
 204
 205     public function trigError($msg)
 206     {
 207         $this->trig($msg, 'errors');
 208     }
 209
 210     public function trigWarning($msg)
 211     {
 212         $this->trig($msg, 'warnings');
 213     }
 214
 215     public function trigSuccess($msg)
 216     {
 217         $this->trig($msg, 'success');
 218     }
 219
 220     // }}}
 221     // {{{ function kill()
 222
 223     public function kill($msg)
 224     {
 225         global $platal;
 226
 227         $this->assign('platal', $platal);
 228         $this->trigError($msg);
 229         $this->_failure = true;
 230         $this->run();
 231     }
 232
 233     // }}}
 234     // {{{ function addJsLink
 235
 236     public function addJsLink($path)
 237     {
 238         $this->append('xorg_js', $path);
 239     }
 240
 241     // }}}
 242     // {{{ function addCssLink
 243
 244     public function addCssLink($path)
 245     {
 246         $this->append('xorg_css', $path);
 247     }
 248
 249     // }}}
 250     // {{{ function addCssInline
 251
 252     public function addCssInline($css)
 253     {
 254         if (!empty($css)) {
 255             $this->append('xorg_inline_css', $css);
 256         }
 257     }
 258
 259     // }}}
 260     // {{{ function setRssLink
 261
 262     public function setRssLink($title, $path)
 263     {
 264         $this->assign('xorg_rss', array('title' => $title, 'href' => $path));
 265     }
 266
 267     // }}}
 268     // {{{ function jsonDisplay
 269     protected function jsonDisplay()
 270     {
 271         header("Content-type: text/javascript; charset=utf-8");
 272         array_walk_recursive($this->_jsonVars, "escape_xorgDB");
 273         $jsonbegin = Env::v('jsonBegin');
 274         $jsonend = Env::v('jsonEnd');
 275         if (Env::has('jsonVar')) {
 276             $jsonbegin = Env::v('jsonVar').' = ';
 277             $jsonend = ';';
 278         } elseif (Env::has('jsonFunc')) {
 279             $jsonbegin = Env::v('jsonFunc').'(';
 280             $jsonend = ');';
 281         }
 282         echo $jsonbegin, json_encode($this->_jsonVars), $jsonend;
 283         exit;
 284     }
 285     // }}}
 286     // {{{ function jsonAssign
 287     public function jsonAssign($var, $value)
 288     {
 289         $this->_jsonVars[$var] = $value;
 290     }
 291
 292     // }}}
 293 }
 294
 295 function escape_xorgDB(&$item, $key)
 296 {
 297     if (is_a($item, 'XOrgDBIterator')) {
 298         $expanded = array();
 299         while ($a = $item->next()) {
 300             $expanded[] = $a;
 301         }
 302         $item = $expanded;
 303     }
 304 }
 305
 306 // {{{ function escape_html ()
 307
 308 /**
 309  * default smarty plugin, used to auto-escape dangerous html.
 310  *
 311  * < --> &lt;
 312  * > --> &gt;
 313  * " --> &quot;
 314  * & not followed by some entity --> &amp;
 315  */
 316 function escape_html($string)
 317 {
 318     if (is_string($string)) {
 319         return htmlspecialchars($string, ENT_QUOTES, 'UTF-8');
 320     } else {
 321         return $string;
 322     }
 323 }
 324
 325 // }}}
 326 // {{{ function at_to_globals()
 327
 328 /**
 329  * helper
 330  */
 331
 332 function _to_globals($s) {
 333     global $globals;
 334     $t = explode('.',$s);
 335     if (count($t) == 1) {
 336         return var_export($globals->$t[0],true);
 337     } else {
 338         return var_export($globals->$t[0]->$t[1],true);
 339     }
 340 }
 341
 342 /**
 343  * compilation plugin used to import $globals confing through #globals.foo.bar# directives
 344  */
 345
 346 function at_to_globals($tpl_source, &$smarty)
 347 {
 348     return preg_replace('/#globals\.([a-zA-Z0-9_.]+?)#/e', '_to_globals(\'\\1\')', $tpl_source);
 349 }
 350
 351 // }}}
 352 // {{{  function trimwhitespace
 353
 354 function trimwhitespace($source, &$smarty)
 355 {
 356     $tags = '(script|pre|textarea)';
 357     preg_match_all("!<$tags.*?>.*?</(\\1)>!ius", $source, $tagsmatches);
 358     $source = preg_replace("!<$tags.*?>.*?</(\\1)>!ius", "&&&tags&&&", $source);
 359
 360     // remove all leading spaces, tabs and carriage returns NOT
 361     // preceeded by a php close tag.
 362     $source = preg_replace('/((?<!\?>)\n)[\s]+/m', '\1', $source);
 363     $source = preg_replace("!&&&tags&&&!e",  'array_shift($tagsmatches[0])', $source);
 364
 365     return $source;
 366 }
 367
 368 // }}}
 369 // {{{ function wiki_include
 370
 371 function wiki_include($source, &$smarty)
 372 {
 373     return preg_replace('/\{include( [^}]*)? wiki=([^} ]+)(.*?)\}/ui',
 374                         '{include\1 file="../spool/wiki.d/cache_\2.tpl"\3 included=1}',
 375                         $source);
 376 }
 377
 378 // }}}
 379 //{{{ function hasPerm
 380
 381 function if_has_perms($source, &$smarty)
 382 {
 383     $source = preg_replace('/\{if([^}]*) (\!?)hasPerms\(([^)]+)\)([^}]*)\}/',
 384                            '{if\1 \2$smarty.session.perms->hasFlagCombination(\3)\4}',
 385                            $source);
 386     return preg_replace('/\{if([^}]*) (\!?)hasPerm\(([^)]+)\)([^}]*)\}/',
 387                         '{if\1 \2($smarty.session.perms && $smarty.session.perms->hasFlag(\3))\4}',
 388                         $source);
 389 }
 390
 391 // }}}
 392 // {{{
 393
 394 function form_force_encodings($source, &$smarty)
 395 {
 396     return preg_replace('/<form[^\w]/',
 397                         '\0 accept-charset="utf-8" ',
 398                         $source);
 399 }
 400
 401 // }}}
 402 // {{{ function hide_emails
 403
 404 function _hide_email($source)
 405 {
 406     $source = str_replace("\n", '', $source);
 407     return '<script type="text/javascript">//<![CDATA[' . "\n" .
 408            'Nix.decode("' . addslashes(str_rot13($source)) . '");' . "\n" .
 409            '//]]></script>';
 410 }
 411
 412 function hide_emails($source, &$smarty)
 413 {
 414     if (!strpos($source, '@')) {
 415         return $source;
 416     }
 417
 418     //prevent email replacement in <script> and <textarea>
 419     $tags = '(script|textarea|select)';
 420     preg_match_all("!<$tags.*?>.*?</(\\1)>!ius", $source, $tagsmatches);
 421     $source = preg_replace("!<$tags.*?>.*?</(\\1)>!ius", "&&&tags&&&", $source);
 422
 423     //catch all emails in <a href="mailto:...">
 424     preg_match_all("!<a[^>]+href=[\"'][^\"']*[-a-z0-9+_.]+@[-a-z0-9_.]+[^\"']*[\"'].*?>.*?</a>!ius", $source, $ahref);
 425     $source = preg_replace("!<a[^>]+href=[\"'][^\"']*[-a-z0-9+_.]+@[-a-z0-9_.]+[^\"']*[\"'].*?>.*?</a>!ius", '&&&ahref&&&', $source);
 426
 427     //prevant replacement in tag attributes
 428     preg_match_all("!<[^>]+[-a-z0-9_+.]+@[-a-z0-9_.]+.+?>!ius", $source, $misc);
 429     $source = preg_replace("!<[^>]+[-a-z0-9_+.]+@[-a-z0-9_.]+.+?>!ius", '&&&misc&&&', $source);
 430
 431     //catch !
 432     $source = preg_replace('!([-a-z0-9_+.]+@[-a-z0-9_.]+)!iue', '_hide_email("\1")', $source);
 433     $source = preg_replace('!&&&ahref&&&!e', '_hide_email(array_shift($ahref[0]))', $source);
 434
 435     // restore data
 436     $source = preg_replace('!&&&misc&&&!e', 'array_shift($misc[0])', $source);
 437     $source = preg_replace("!&&&tags&&&!e",  'array_shift($tagsmatches[0])', $source);
 438
 439     return $source;
 440 }
 441
 442 // }}}
 443
 444 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
 445 ?>