classes/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 class PlatalPage extends Smarty
  25 {
  26     var $_page_type;
  27     var $_tpl;
  28     var $_errors;
  29     var $_failure;
  30
  31     // defaults
  32     var $caching          = false;
  33     var $config_overwrite = false;
  34     var $use_sub_dirs     = false;
  35
  36     // {{{ function PlatalPage()
  37
  38     function PlatalPage($tpl, $type = SKINNED)
  39     {
  40         global $globals;
  41
  42         $this->Smarty();
  43
  44         $this->template_dir  = $globals->spoolroot."/templates/";
  45         $this->compile_dir   = $globals->spoolroot."/spool/templates_c/";
  46         array_unshift($this->plugins_dir, $globals->spoolroot."/plugins/");
  47         $this->config_dir    = $globals->spoolroot."/configs/";
  48
  49         $this->compile_check = !empty($globals->debug);
  50
  51         $this->_page_type = $type;
  52         $this->_tpl       = $tpl;
  53         $this->_errors    = array();
  54         $this->_failure   = false;
  55
  56         $this->register_prefilter('at_to_globals');
  57         $this->register_prefilter('trimwhitespace');
  58         $this->register_prefilter('form_force_encodings');
  59         $this->addJsLink('xorg.js');
  60     }
  61
  62     // }}}
  63     // {{{ function changeTpl()
  64
  65     function changeTpl($tpl, $type = SKINNED)
  66     {
  67         $this->_tpl       = $tpl;
  68             $this->_page_type = $type;
  69         $this->assign('xorg_tpl', $tpl);
  70     }
  71
  72     // }}}
  73     // {{{ function _run()
  74
  75     function _run($skin)
  76     {
  77         global $globals, $TIME_BEGIN;
  78
  79         session_write_close();
  80
  81         $this->assign('xorg_errors', $this->_errors);
  82         $this->assign('xorg_failure', $this->_failure);
  83         $this->assign('globals', $globals);
  84
  85         if (Env::v('display') == 'light') {
  86             $this->_page_type = SIMPLE;
  87         } elseif (Env::v('display') == 'raw') {
  88             $this->_page_type = NO_SKIN;
  89         } elseif (Env::v('display') == 'full') {
  90             $this->_page_typ = SKINNED;
  91         }
  92
  93         switch ($this->_page_type) {
  94           case NO_SKIN:
  95             error_reporting(0);
  96             $this->display($this->_tpl);
  97             exit;
  98
  99           case SIMPLE:
 100             $this->assign('simple', true);
 101
 102           case SKINNED:
 103             $this->register_modifier('escape_html', 'escape_html');
 104                 $this->default_modifiers = Array('@escape_html');
 105         }
 106         $this->register_outputfilter('hide_emails');
 107         $this->addJsLink('wiki.js');
 108         header("Accept-Charset: utf-8");
 109
 110         if (!$globals->debug) {
 111             error_reporting(0);
 112             $this->display($skin);
 113             exit;
 114         }
 115
 116         if ($globals->debug & 1) {
 117             PlBacktrace::clean();
 118             $this->assign_by_ref('backtraces', PlBacktrace::$bt);
 119         }
 120
 121         $this->assign('validate', true);
 122         error_reporting(0);
 123         $result = $this->fetch($skin);
 124         $ttime  = sprintf('Temps total: %.02fs - Mémoire totale : %.02fKo<br />', microtime(true) - $TIME_BEGIN
 125                                                                                 , memory_get_peak_usage(true) / 1024);
 126         $replc  = "<span class='erreur'>VALIDATION HTML INACTIVE</span><br />";
 127
 128         if ($globals->debug & 2) {
 129             $fd = fopen($this->compile_dir."/valid.html","w");
 130             fwrite($fd, $result);
 131             fclose($fd);
 132
 133             exec($globals->spoolroot."/bin/devel/xhtml.validate.pl ".$this->compile_dir."/valid.html", $val);
 134             foreach ($val as $h) {
 135                 if (preg_match("/^X-W3C-Validator-Errors: (\d+)$/", $h, $m)) {
 136                     $replc = '<span style="color: #080;">HTML OK</span><br />';
 137                     if ($m[1]) {
 138                         $replc = "<span class='erreur'><a href='http://validator.w3.org/check?uri={$globals->baseurl}"
 139                             ."/valid.html&amp;ss=1#result'>{$m[1]} ERREUR(S) !!!</a></span><br />";
 140                     }
 141                     break;
 142                 }
 143             }
 144         }
 145
 146         echo str_replace("@HOOK@", $ttime.$replc, $result);
 147         exit;
 148     }
 149
 150     // }}}
 151     // {{{ function nb_errs()
 152
 153     function nb_errs()
 154     {
 155         return count($this->_errors);
 156     }
 157
 158     // }}}
 159     // {{{ function trig()
 160
 161     function trig($msg)
 162     {
 163         $this->_errors[] = $msg;
 164     }
 165
 166     // }}}
 167     // {{{ function kill()
 168
 169     function kill($msg)
 170     {
 171         global $platal;
 172
 173         $this->assign('platal', $platal);
 174         $this->trig($msg);
 175         $this->_failure = true;
 176         $this->run();
 177     }
 178
 179     // }}}
 180     // {{{ function addJsLink
 181
 182     function addJsLink($path)
 183     {
 184         $this->append('xorg_js', $path);
 185     }
 186
 187     // }}}
 188     // {{{ function addCssLink
 189
 190     function addCssLink($path)
 191     {
 192         $this->append('xorg_css', $path);
 193     }
 194
 195     // }}}
 196     // {{{ function addCssInline
 197
 198     function addCssInline($css)
 199     {
 200         if (!empty($css)) {
 201             $this->append('xorg_inline_css', $css);
 202         }
 203     }
 204
 205     // }}}
 206     // {{{ function setRssLink
 207
 208     function setRssLink($title, $path)
 209     {
 210         $this->assign('xorg_rss', array('title' => $title, 'href' => $path));
 211     }
 212
 213     // }}}
 214 }
 215
 216 // {{{ function escape_html ()
 217
 218 /**
 219  * default smarty plugin, used to auto-escape dangerous html.
 220  *
 221  * < --> &lt;
 222  * > --> &gt;
 223  * " --> &quot;
 224  * & not followed by some entity --> &amp;
 225  */
 226 function escape_html($string)
 227 {
 228     if (is_string($string)) {
 229         $transtbl = Array('<' => '&lt;', '>' => '&gt;', '"' => '&quot;', '\'' => '&#39;');
 230         return preg_replace("/&(?![A-Za-z]{0,4}\w{2,3};|#[0-9]{2,4};)/", "&amp;" , strtr($string, $transtbl));
 231     } else {
 232         return $string;
 233     }
 234 }
 235
 236 // }}}
 237 // {{{ function at_to_globals()
 238
 239 /**
 240  * helper
 241  */
 242
 243 function _to_globals($s) {
 244     global $globals;
 245     $t = explode('.',$s);
 246     if (count($t) == 1) {
 247         return var_export($globals->$t[0],true);
 248     } else {
 249         return var_export($globals->$t[0]->$t[1],true);
 250     }
 251 }
 252
 253 /**
 254  * compilation plugin used to import $globals confing through #globals.foo.bar# directives
 255  */
 256
 257 function at_to_globals($tpl_source, &$smarty)
 258 {
 259     return preg_replace('/#globals\.([a-zA-Z0-9_.]+?)#/e', '_to_globals(\'\\1\')', $tpl_source);
 260 }
 261
 262 // }}}
 263 // {{{  function trimwhitespace
 264
 265 function trimwhitespace($source, &$smarty)
 266 {
 267     $tags = '(script|pre|textarea)';
 268     preg_match_all("!<$tags.*?>.*?</$tags>!ius", $source, $tagsmatches);
 269     $source = preg_replace("!<$tags.*?>.*?</$tags>!ius", "&&&tags&&&", $source);
 270
 271     // remove all leading spaces, tabs and carriage returns NOT
 272     // preceeded by a php close tag.
 273     $source = preg_replace('/((?<!\?>)\n)[\s]+/m', '\1', $source);
 274     $source = preg_replace("!&&&tags&&&!e",  'array_shift($tagsmatches[0])', $source);
 275
 276     return $source;
 277 }
 278
 279 // }}}
 280 // {{{
 281
 282 function form_force_encodings($source, &$smarty)
 283 {
 284     return preg_replace('/<form[^\w]/',
 285                         '\0 accept-charset="utf-8" ',
 286                         $source);
 287 }
 288
 289 // }}}
 290 // {{{ function hide_emails
 291
 292 function _hide_email($source)
 293 {
 294     $source = str_replace("\n", '', $source);
 295     return '<script type="text/javascript">//<![CDATA[' . "\n" .
 296            'Nix.decode("' . addslashes(str_rot13($source)) . '");' . "\n" .
 297            '//]]></script>';
 298 }
 299
 300 function hide_emails($source, &$smarty)
 301 {
 302     //prevent email replacement in <script> and <textarea>
 303     $tags = '(script|textarea|select)';
 304     preg_match_all("!<$tags.*?>.*?</$tags>!ius", $source, $tagsmatches);
 305     $source = preg_replace("!<$tags.*?>.*?</$tags>!ius", "&&&tags&&&", $source);
 306
 307     //catch all emails in <a href="mailto:...">
 308     preg_match_all("!<a[^>]+href=[\"'][^\"']*[-a-z0-9+_.]+@[-a-z0-9_.]+[^\"']*[\"'].*?>.*?</a>!ius", $source, $ahref);
 309     $source = preg_replace("!<a[^>]+href=[\"'][^\"']*[-a-z0-9+_.]+@[-a-z0-9_.]+[^\"']*[\"'].*?>.*?</a>!ius", '&&&ahref&&&', $source);
 310
 311     //prevant replacement in tag attributes
 312     preg_match_all("!<[^>]+[-a-z0-9_+.]+@[-a-z0-9_.]+.+?>!is", $source, $misc);
 313     $source = preg_replace("!<[^>]+[-a-z0-9_+.]+@[-a-z0-9_.]+.+?>!is", '&&&misc&&&', $source);
 314
 315     //catch !
 316     $source = preg_replace('!([-a-z0-9_+.]+@[-a-z0-9_.]+)!ie', '_hide_email("\1")', $source);
 317     $source = preg_replace('!&&&ahref&&&!e', '_hide_email(array_shift($ahref[0]))', $source);
 318
 319     // restore data
 320     $source = preg_replace('!&&&misc&&&!e', 'array_shift($misc[0])', $source);
 321     $source = preg_replace("!&&&tags&&&!e",  'array_shift($tagsmatches[0])', $source);
 322
 323     return $source;
 324 }
 325
 326 // }}}
 327
 328 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
 329 ?>