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->trig("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     public 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 trigSuccess($msg)
 211     {
 212         $this->trig($msg, 'success');
 213     }
 214
 215     // }}}
 216     // {{{ function kill()
 217
 218     public function kill($msg)
 219     {
 220         global $platal;
 221
 222         $this->assign('platal', $platal);
 223         $this->trig($msg);
 224         $this->_failure = true;
 225         $this->run();
 226     }
 227
 228     // }}}
 229     // {{{ function addJsLink
 230
 231     public function addJsLink($path)
 232     {
 233         $this->append('xorg_js', $path);
 234     }
 235
 236     // }}}
 237     // {{{ function addCssLink
 238
 239     public function addCssLink($path)
 240     {
 241         $this->append('xorg_css', $path);
 242     }
 243
 244     // }}}
 245     // {{{ function addCssInline
 246
 247     public function addCssInline($css)
 248     {
 249         if (!empty($css)) {
 250             $this->append('xorg_inline_css', $css);
 251         }
 252     }
 253
 254     // }}}
 255     // {{{ function setRssLink
 256
 257     public function setRssLink($title, $path)
 258     {
 259         $this->assign('xorg_rss', array('title' => $title, 'href' => $path));
 260     }
 261
 262     // }}}
 263     // {{{ function jsonDisplay
 264     protected function jsonDisplay()
 265     {
 266         header("Content-type: text/javascript; charset=utf-8");
 267         array_walk_recursive($this->_jsonVars, "escape_xorgDB");
 268         $jsonbegin = Env::v('jsonBegin');
 269         $jsonend = Env::v('jsonEnd');
 270         if (Env::has('jsonVar')) {
 271             $jsonbegin = Env::v('jsonVar').' = ';
 272             $jsonend = ';';
 273         } elseif (Env::has('jsonFunc')) {
 274             $jsonbegin = Env::v('jsonFunc').'(';
 275             $jsonend = ');';
 276         }
 277         echo $jsonbegin, json_encode($this->_jsonVars), $jsonend;
 278         exit;
 279     }
 280     // }}}
 281     // {{{ function jsonAssign
 282     public function jsonAssign($var, $value)
 283     {
 284         $this->_jsonVars[$var] = $value;
 285     }
 286
 287     // }}}
 288 }
 289
 290 function escape_xorgDB(&$item, $key)
 291 {
 292     if (is_a($item, 'XOrgDBIterator')) {
 293         $expanded = array();
 294         while ($a = $item->next()) {
 295             $expanded[] = $a;
 296         }
 297         $item = $expanded;
 298     }
 299 }
 300
 301 // {{{ function escape_html ()
 302
 303 /**
 304  * default smarty plugin, used to auto-escape dangerous html.
 305  *
 306  * < --> &lt;
 307  * > --> &gt;
 308  * " --> &quot;
 309  * & not followed by some entity --> &amp;
 310  */
 311 function escape_html($string)
 312 {
 313     if (is_string($string)) {
 314         return htmlspecialchars($string, ENT_QUOTES, 'UTF-8');
 315     } else {
 316         return $string;
 317     }
 318 }
 319
 320 // }}}
 321 // {{{ function at_to_globals()
 322
 323 /**
 324  * helper
 325  */
 326
 327 function _to_globals($s) {
 328     global $globals;
 329     $t = explode('.',$s);
 330     if (count($t) == 1) {
 331         return var_export($globals->$t[0],true);
 332     } else {
 333         return var_export($globals->$t[0]->$t[1],true);
 334     }
 335 }
 336
 337 /**
 338  * compilation plugin used to import $globals confing through #globals.foo.bar# directives
 339  */
 340
 341 function at_to_globals($tpl_source, &$smarty)
 342 {
 343     return preg_replace('/#globals\.([a-zA-Z0-9_.]+?)#/e', '_to_globals(\'\\1\')', $tpl_source);
 344 }
 345
 346 // }}}
 347 // {{{  function trimwhitespace
 348
 349 function trimwhitespace($source, &$smarty)
 350 {
 351     $tags = '(script|pre|textarea)';
 352     preg_match_all("!<$tags.*?>.*?</(\\1)>!ius", $source, $tagsmatches);
 353     $source = preg_replace("!<$tags.*?>.*?</(\\1)>!ius", "&&&tags&&&", $source);
 354
 355     // remove all leading spaces, tabs and carriage returns NOT
 356     // preceeded by a php close tag.
 357     $source = preg_replace('/((?<!\?>)\n)[\s]+/m', '\1', $source);
 358     $source = preg_replace("!&&&tags&&&!e",  'array_shift($tagsmatches[0])', $source);
 359
 360     return $source;
 361 }
 362
 363 // }}}
 364 // {{{ function wiki_include
 365
 366 function wiki_include($source, &$smarty)
 367 {
 368     return preg_replace('/\{include( [^}]*)? wiki=([^} ]+)(.*?)\}/ui',
 369                         '{include\1 file="../spool/wiki.d/cache_\2.tpl"\3 included=1}',
 370                         $source);
 371 }
 372
 373 // }}}
 374 //{{{ function hasPerm
 375
 376 function if_has_perms($source, &$smarty)
 377 {
 378     $source = preg_replace('/\{if([^}]*) (\!?)hasPerms\(([^)]+)\)([^}]*)\}/',
 379                            '{if\1 \2$smarty.session.perms->hasFlagCombination(\3)\4}',
 380                            $source);
 381     return preg_replace('/\{if([^}]*) (\!?)hasPerm\(([^)]+)\)([^}]*)\}/',
 382                         '{if\1 \2($smarty.session.perms && $smarty.session.perms->hasFlag(\3))\4}',
 383                         $source);
 384 }
 385
 386 // }}}
 387 // {{{
 388
 389 function form_force_encodings($source, &$smarty)
 390 {
 391     return preg_replace('/<form[^\w]/',
 392                         '\0 accept-charset="utf-8" ',
 393                         $source);
 394 }
 395
 396 // }}}
 397 // {{{ function hide_emails
 398
 399 function _hide_email($source)
 400 {
 401     $source = str_replace("\n", '', $source);
 402     return '<script type="text/javascript">//<![CDATA[' . "\n" .
 403            'Nix.decode("' . addslashes(str_rot13($source)) . '");' . "\n" .
 404            '//]]></script>';
 405 }
 406
 407 function hide_emails($source, &$smarty)
 408 {
 409     if (!strpos($source, '@')) {
 410         return $source;
 411     }
 412
 413     //prevent email replacement in <script> and <textarea>
 414     $tags = '(script|textarea|select)';
 415     preg_match_all("!<$tags.*?>.*?</(\\1)>!ius", $source, $tagsmatches);
 416     $source = preg_replace("!<$tags.*?>.*?</(\\1)>!ius", "&&&tags&&&", $source);
 417
 418     //catch all emails in <a href="mailto:...">
 419     preg_match_all("!<a[^>]+href=[\"'][^\"']*[-a-z0-9+_.]+@[-a-z0-9_.]+[^\"']*[\"'].*?>.*?</a>!ius", $source, $ahref);
 420     $source = preg_replace("!<a[^>]+href=[\"'][^\"']*[-a-z0-9+_.]+@[-a-z0-9_.]+[^\"']*[\"'].*?>.*?</a>!ius", '&&&ahref&&&', $source);
 421
 422     //prevant replacement in tag attributes
 423     preg_match_all("!<[^>]+[-a-z0-9_+.]+@[-a-z0-9_.]+.+?>!ius", $source, $misc);
 424     $source = preg_replace("!<[^>]+[-a-z0-9_+.]+@[-a-z0-9_.]+.+?>!ius", '&&&misc&&&', $source);
 425
 426     //catch !
 427     $source = preg_replace('!([-a-z0-9_+.]+@[-a-z0-9_.]+)!iue', '_hide_email("\1")', $source);
 428     $source = preg_replace('!&&&ahref&&&!e', '_hide_email(array_shift($ahref[0]))', $source);
 429
 430     // restore data
 431     $source = preg_replace('!&&&misc&&&!e', 'array_shift($misc[0])', $source);
 432     $source = preg_replace("!&&&tags&&&!e",  'array_shift($tagsmatches[0])', $source);
 433
 434     return $source;
 435 }
 436
 437 // }}}
 438
 439 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
 440 ?>