platalpage.php

   1 <?php
   2 /***************************************************************************
   3  *  Copyright (C) 2003-2007 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();
  52         $this->_jsonVars  = array();
  53         $this->_failure   = false;
  54
  55         if ($globals->mode != 'rw') {
  56             $this->_errors[] = "En raison d'une maintenance, une partie des fonctionnalités du site sont actuellement"
  57                              . " désactivée, en particuliers aucune donnée ne sera sauvegardée";
  58         }
  59         $this->register_prefilter('at_to_globals');
  60         $this->addJsLink('xorg.js');
  61     }
  62
  63     // }}}
  64     // {{{ function changeTpl()
  65
  66     public function changeTpl($tpl, $type = SKINNED)
  67     {
  68       $this->_tpl       = $tpl;
  69       $this->_page_type = $type;
  70       $this->assign('xorg_tpl', $tpl);
  71     }
  72
  73     // }}}
  74     // {{{ function raw()
  75
  76     public function raw()
  77     {
  78         global $globals;
  79         $this->assign('globals', $globals);
  80         return $this->fetch($this->_tpl);
  81     }
  82
  83     // }}}
  84     // {{{ function _run()
  85
  86     protected function _run($skin)
  87     {
  88         global $globals, $TIME_BEGIN;
  89
  90         session_write_close();
  91
  92         $this->register_prefilter('trimwhitespace');
  93         $this->register_prefilter('form_force_encodings');
  94         $this->register_prefilter('wiki_include');
  95         $this->assign('xorg_errors', $this->_errors);
  96         $this->assign('xorg_failure', $this->_failure);
  97         $this->assign('globals', $globals);
  98
  99         if (Env::has('json') && count($this->_jsonVars)) {
 100             return $this->jsonDisplay();
 101         }
 102
 103         if (Env::v('display') == 'light') {
 104             $this->_page_type = SIMPLE;
 105         } elseif (Env::v('display') == 'raw') {
 106             $this->_page_type = NO_SKIN;
 107         } elseif (Env::v('display') == 'full') {
 108             $this->_page_typ = SKINNED;
 109         }
 110
 111         switch ($this->_page_type) {
 112           case NO_SKIN:
 113             if (!($globals->debug & DEBUG_SMARTY)) {
 114                 error_reporting(0);
 115             }
 116             $this->display($this->_tpl);
 117             exit;
 118
 119           case SIMPLE:
 120             $this->assign('simple', true);
 121
 122           case SKINNED:
 123           $this->register_modifier('escape_html', 'escape_html');
 124           $this->default_modifiers = Array('@escape_html');
 125         }
 126         $this->register_outputfilter('hide_emails');
 127         $this->addJsLink('wiki.js');
 128         header("Accept-Charset: utf-8");
 129         if (Env::v('forceXml')) {
 130             header("Content-Type: text/xml; charset=utf-8");
 131         }
 132
 133         if (!$globals->debug) {
 134             error_reporting(0);
 135             $this->display($skin);
 136             exit;
 137         }
 138
 139         if ($globals->debug & DEBUG_BT) {
 140             PlBacktrace::clean();
 141             $this->assign_by_ref('backtraces', PlBacktrace::$bt);
 142         }
 143
 144         $this->assign('validate', true);
 145         if (!($globals->debug & DEBUG_SMARTY)) {
 146             error_reporting(0);
 147         }
 148         $result = $this->fetch($skin);
 149         $ttime  = sprintf('Temps total: %.02fs - Mémoire totale : %dKo<br />', microtime(true) - $TIME_BEGIN
 150                                                                                 , memory_get_peak_usage(true) / 1024);
 151         $replc  = "<span class='erreur'>VALIDATION HTML INACTIVE</span><br />";
 152
 153         if ($globals->debug & DEBUG_VALID) {
 154             $fd = fopen($this->compile_dir."/valid.html","w");
 155             fwrite($fd, $result);
 156             fclose($fd);
 157
 158             exec($globals->spoolroot."/bin/devel/xhtml.validate.pl ".$this->compile_dir."/valid.html", $val);
 159             foreach ($val as $h) {
 160                 if (preg_match("/^X-W3C-Validator-Errors: (\d+)$/", $h, $m)) {
 161                     $replc = '<span style="color: #080;">HTML OK</span><br />';
 162                     if ($m[1]) {
 163                         $replc = "<span class='erreur'><a href='http://validator.w3.org/check?uri={$globals->baseurl}"
 164                             ."/valid.html&amp;ss=1#result'>{$m[1]} ERREUR(S) !!!</a></span><br />";
 165                     }
 166                     break;
 167                 }
 168             }
 169         }
 170
 171         echo str_replace("@HOOK@", $ttime.$replc, $result);
 172         exit;
 173     }
 174
 175     abstract public function run();
 176
 177     // }}}
 178     // {{{ function nb_errs()
 179
 180     public function nb_errs()
 181     {
 182         return count($this->_errors);
 183     }
 184
 185     // }}}
 186     // {{{ function trig()
 187
 188     public function trig($msg)
 189     {
 190         $this->_errors[] = $msg;
 191     }
 192
 193     // }}}
 194     // {{{ function kill()
 195
 196     public function kill($msg)
 197     {
 198         global $platal;
 199
 200         $this->assign('platal', $platal);
 201         $this->trig($msg);
 202         $this->_failure = true;
 203         $this->run();
 204     }
 205
 206     // }}}
 207     // {{{ function addJsLink
 208
 209     public function addJsLink($path)
 210     {
 211         $this->append('xorg_js', $path);
 212     }
 213
 214     // }}}
 215     // {{{ function addCssLink
 216
 217     public function addCssLink($path)
 218     {
 219         $this->append('xorg_css', $path);
 220     }
 221
 222     // }}}
 223     // {{{ function addCssInline
 224
 225     public function addCssInline($css)
 226     {
 227         if (!empty($css)) {
 228             $this->append('xorg_inline_css', $css);
 229         }
 230     }
 231
 232     // }}}
 233     // {{{ function setRssLink
 234
 235     public function setRssLink($title, $path)
 236     {
 237         $this->assign('xorg_rss', array('title' => $title, 'href' => $path));
 238     }
 239
 240     // }}}
 241     // {{{ function jsonDisplay
 242     protected function jsonDisplay()
 243     {
 244         header("Content-type: text/javascript; charset=utf-8");
 245         array_walk_recursive($this->_jsonVars, "escape_xorgDB");
 246         $jsonbegin = Env::v('jsonBegin');
 247         $jsonend = Env::v('jsonEnd');
 248         if (Env::has('jsonVar')) {
 249             $jsonbegin = Env::v('jsonVar').' = ';
 250             $jsonend = ';';
 251         } elseif (Env::has('jsonFunc')) {
 252             $jsonbegin = Env::v('jsonFunc').'(';
 253             $jsonend = ');';
 254         }
 255         echo $jsonbegin, json_encode($this->_jsonVars), $jsonend;
 256         exit;
 257     }
 258     // }}}
 259     // {{{ function jsonAssign
 260     public function jsonAssign($var, $value)
 261     {
 262         $this->_jsonVars[$var] = $value;
 263     }
 264
 265     // }}}
 266 }
 267
 268 function escape_xorgDB(&$item, $key)
 269 {
 270     if (is_a($item, 'XOrgDBIterator')) {
 271         $expanded = array();
 272         while ($a = $item->next()) {
 273             $expanded[] = $a;
 274         }
 275         $item = $expanded;
 276     }
 277 }
 278
 279 // {{{ function escape_html ()
 280
 281 /**
 282  * default smarty plugin, used to auto-escape dangerous html.
 283  *
 284  * < --> &lt;
 285  * > --> &gt;
 286  * " --> &quot;
 287  * & not followed by some entity --> &amp;
 288  */
 289 function escape_html($string)
 290 {
 291     if (is_string($string)) {
 292         return htmlspecialchars($string, ENT_QUOTES, 'UTF-8');
 293     } else {
 294         return $string;
 295     }
 296 }
 297
 298 // }}}
 299 // {{{ function at_to_globals()
 300
 301 /**
 302  * helper
 303  */
 304
 305 function _to_globals($s) {
 306     global $globals;
 307     $t = explode('.',$s);
 308     if (count($t) == 1) {
 309         return var_export($globals->$t[0],true);
 310     } else {
 311         return var_export($globals->$t[0]->$t[1],true);
 312     }
 313 }
 314
 315 /**
 316  * compilation plugin used to import $globals confing through #globals.foo.bar# directives
 317  */
 318
 319 function at_to_globals($tpl_source, &$smarty)
 320 {
 321     return preg_replace('/#globals\.([a-zA-Z0-9_.]+?)#/e', '_to_globals(\'\\1\')', $tpl_source);
 322 }
 323
 324 // }}}
 325 // {{{  function trimwhitespace
 326
 327 function trimwhitespace($source, &$smarty)
 328 {
 329     $tags = '(script|pre|textarea)';
 330     preg_match_all("!<$tags.*?>.*?</(\\1)>!ius", $source, $tagsmatches);
 331     $source = preg_replace("!<$tags.*?>.*?</(\\1)>!ius", "&&&tags&&&", $source);
 332
 333     // remove all leading spaces, tabs and carriage returns NOT
 334     // preceeded by a php close tag.
 335     $source = preg_replace('/((?<!\?>)\n)[\s]+/m', '\1', $source);
 336     $source = preg_replace("!&&&tags&&&!e",  'array_shift($tagsmatches[0])', $source);
 337
 338     return $source;
 339 }
 340
 341 // }}}
 342 // {{{ function wiki_include
 343
 344 function wiki_include($source, &$smarty)
 345 {
 346     return preg_replace('/\{include( [^}]*)? wiki=([^} ]+)(.*?)\}/ui',
 347                         '{include\1 file="../spool/wiki.d/cache_\2.tpl"\3 included=1}',
 348                         $source);
 349 }
 350
 351 // }}}
 352 // {{{
 353
 354 function form_force_encodings($source, &$smarty)
 355 {
 356     return preg_replace('/<form[^\w]/',
 357                         '\0 accept-charset="utf-8" ',
 358                         $source);
 359 }
 360
 361 // }}}
 362 // {{{ function hide_emails
 363
 364 function _hide_email($source)
 365 {
 366     $source = str_replace("\n", '', $source);
 367     return '<script type="text/javascript">//<![CDATA[' . "\n" .
 368            'Nix.decode("' . addslashes(str_rot13($source)) . '");' . "\n" .
 369            '//]]></script>';
 370 }
 371
 372 function hide_emails($source, &$smarty)
 373 {
 374     if (!strpos($source, '@')) {
 375         return $source;
 376     }
 377
 378     //prevent email replacement in <script> and <textarea>
 379     $tags = '(script|textarea|select)';
 380     preg_match_all("!<$tags.*?>.*?</(\\1)>!ius", $source, $tagsmatches);
 381     $source = preg_replace("!<$tags.*?>.*?</(\\1)>!ius", "&&&tags&&&", $source);
 382
 383     //catch all emails in <a href="mailto:...">
 384     preg_match_all("!<a[^>]+href=[\"'][^\"']*[-a-z0-9+_.]+@[-a-z0-9_.]+[^\"']*[\"'].*?>.*?</a>!ius", $source, $ahref);
 385     $source = preg_replace("!<a[^>]+href=[\"'][^\"']*[-a-z0-9+_.]+@[-a-z0-9_.]+[^\"']*[\"'].*?>.*?</a>!ius", '&&&ahref&&&', $source);
 386
 387     //prevant replacement in tag attributes
 388     preg_match_all("!<[^>]+[-a-z0-9_+.]+@[-a-z0-9_.]+.+?>!ius", $source, $misc);
 389     $source = preg_replace("!<[^>]+[-a-z0-9_+.]+@[-a-z0-9_.]+.+?>!ius", '&&&misc&&&', $source);
 390
 391     //catch !
 392     $source = preg_replace('!([-a-z0-9_+.]+@[-a-z0-9_.]+)!iue', '_hide_email("\1")', $source);
 393     $source = preg_replace('!&&&ahref&&&!e', '_hide_email(array_shift($ahref[0]))', $source);
 394
 395     // restore data
 396     $source = preg_replace('!&&&misc&&&!e', 'array_shift($misc[0])', $source);
 397     $source = preg_replace("!&&&tags&&&!e",  'array_shift($tagsmatches[0])', $source);
 398
 399     return $source;
 400 }
 401
 402 // }}}
 403
 404 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
 405 ?>