classes/platalpage.php

   1 <?php
   2 /***************************************************************************
   3  *  Copyright (C) 2003-2006 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         $this->addJsLink('xorg.js');
  59     }
  60
  61     // }}}
  62     // {{{ function changeTpl()
  63
  64     function changeTpl($tpl, $type = SKINNED)
  65     {
  66         $this->_tpl       = $tpl;
  67         $this->_page_type = $type;
  68         $this->assign('xorg_tpl', $tpl);
  69     }
  70
  71     // }}}
  72     // {{{ function _run()
  73
  74     function _run($skin)
  75     {
  76         global $globals, $TIME_BEGIN;
  77
  78         session_write_close();
  79
  80         $this->assign('xorg_errors', $this->_errors);
  81         $this->assign('xorg_failure', $this->_failure);
  82         $this->assign('globals', $globals);
  83
  84         switch ($this->_page_type) {
  85           case NO_SKIN:
  86             error_reporting(0);
  87             $this->display($this->_tpl);
  88             exit;
  89
  90           case SIMPLE:
  91             $this->assign('simple', true);
  92
  93           case SKINNED:
  94             $this->register_modifier('escape_html', 'escape_html');
  95                 $this->default_modifiers = Array('@escape_html');
  96         }
  97         $this->register_outputfilter('hide_emails');
  98         $this->addJsLink('wiki.js');
  99
 100         if (!$globals->debug) {
 101             error_reporting(0);
 102             $this->display($skin);
 103             exit;
 104         }
 105
 106         if ($globals->debug & 1) {
 107             $this->assign('db_trace', XDB::trace_format($this, 'database-debug.tpl'));
 108         }
 109
 110         $this->assign('validate', true);
 111         error_reporting(0);
 112         $result = $this->fetch($skin);
 113         $ttime  = sprintf('Temps total: %.02fs<br />', microtime_float() - $TIME_BEGIN);
 114         $replc  = "<span class='erreur'>VALIDATION HTML INACTIVE</span><br />";
 115
 116         if ($globals->debug & 2) {
 117
 118             $fd = fopen($this->compile_dir."/valid.html","w");
 119             fwrite($fd, $result);
 120             fclose($fd);
 121
 122             exec($globals->spoolroot."/bin/devel/xhtml.validate.pl ".$this->compile_dir."/valid.html", $val);
 123             foreach ($val as $h) {
 124                 if (preg_match("/^X-W3C-Validator-Errors: (\d+)$/", $h, $m)) {
 125                     $replc = '<span style="color: #080;">HTML OK</span><br />';
 126                     if ($m[1]) {
 127                         $replc = "<span class='erreur'><a href='http://validator.w3.org/check?uri={$globals->baseurl}"
 128                             ."/valid.html&amp;ss=1#result'>{$m[1]} ERREUR(S) !!!</a></span><br />";
 129                     }
 130                     break;
 131                 }
 132             }
 133         }
 134
 135         echo str_replace("@HOOK@", $ttime.$replc, $result);
 136         exit;
 137     }
 138
 139     // }}}
 140     // {{{ function nb_errs()
 141
 142     function nb_errs()
 143     {
 144         return count($this->_errors);
 145     }
 146
 147     // }}}
 148     // {{{ function trig()
 149
 150     function trig($msg)
 151     {
 152         $this->_errors[] = $msg;
 153     }
 154
 155     // }}}
 156     // {{{ function kill()
 157
 158     function kill($msg)
 159     {
 160         global $platal;
 161
 162         $this->assign('platal', $platal);
 163         $this->trig($msg);
 164         $this->_failure = true;
 165         $this->run();
 166     }
 167
 168     // }}}
 169     // {{{ function addJsLink
 170
 171     function addJsLink($path)
 172     {
 173         $this->append('xorg_js', $path);
 174     }
 175
 176     // }}}
 177     // {{{ function addCssLink
 178
 179     function addCssLink($path)
 180     {
 181         $this->append('xorg_css', $path);
 182     }
 183
 184     // }}}
 185     // {{{ function setRssLink
 186
 187     function setRssLink($title, $path)
 188     {
 189         $this->assign('xorg_rss', array('title' => $title, 'href' => $path));
 190     }
 191
 192     // }}}
 193 }
 194
 195 // {{{ function escape_html ()
 196
 197 /**
 198  * default smarty plugin, used to auto-escape dangerous html.
 199  *
 200  * < --> &lt;
 201  * > --> &gt;
 202  * " --> &quot;
 203  * & not followed by some entity --> &amp;
 204  */
 205 function escape_html($string)
 206 {
 207     if (is_string($string)) {
 208         $transtbl = Array('<' => '&lt;', '>' => '&gt;', '"' => '&quot;', '\'' => '&#39;');
 209         return preg_replace("/&(?![A-Za-z]{0,4}\w{2,3};|#[0-9]{2,4};)/", "&amp;" , strtr($string, $transtbl));
 210     } else {
 211         return $string;
 212     }
 213 }
 214
 215 // }}}
 216 // {{{ function at_to_globals()
 217
 218 /**
 219  * helper
 220  */
 221
 222 function _to_globals($s) {
 223     global $globals;
 224     $t = explode('.',$s);
 225     if (count($t) == 1) {
 226         return var_export($globals->$t[0],true);
 227     } else {
 228         return var_export($globals->$t[0]->$t[1],true);
 229     }
 230 }
 231
 232 /**
 233  * compilation plugin used to import $globals confing through #globals.foo.bar# directives
 234  */
 235
 236 function at_to_globals($tpl_source, &$smarty)
 237 {
 238     return preg_replace('/#globals\.([a-zA-Z0-9_.]+?)#/e', '_to_globals(\'\\1\')', $tpl_source);
 239 }
 240
 241 // }}}
 242 // {{{  function trimwhitespace
 243
 244 function trimwhitespace($source, &$smarty)
 245 {
 246     $tags = array('script', 'pre', 'textarea');
 247
 248     foreach ($tags as $tag) {
 249         preg_match_all("!<{$tag}[^>]+>.*?</{$tag}>!is", $source, ${$tag});
 250         $source = preg_replace("!<{$tag}[^>]+>.*?</{$tag}>!is", "&&&{$tag}&&&", $source);
 251     }
 252
 253     // remove all leading spaces, tabs and carriage returns NOT
 254     // preceeded by a php close tag.
 255     $source = preg_replace('/((?<!\?>)\n)[\s]+/m', '\1', $source);
 256
 257     foreach ($tags as $tag) {
 258         $source = preg_replace("!&&&{$tag}&&&!e",  'array_shift(${$tag}[0])', $source);
 259     }
 260
 261     return $source;
 262 }
 263
 264 // }}}
 265 // {{{ function hide_emails
 266
 267 function _hide_email($source)
 268 {
 269     return '<script type="text/javascript">Nix.decode("' . addslashes(str_rot13($source)) . '");</script>';
 270 }
 271
 272 function hide_emails($source, &$smarty)
 273 {
 274     //prevent email replacement in <script> and <textarea>
 275     $tags = array('script', 'textarea');
 276
 277     foreach ($tags as $tag) {
 278         preg_match_all("!<{$tag}[^>]+>.*?</{$tag}>!is", $source, ${$tag});
 279         $source = preg_replace("!<{$tag}[^>]+>.*?</{$tag}>!is", "&&&{$tag}&&&", $source);
 280     }
 281
 282     //catch all emails in <a href="mailto:...">
 283     preg_match_all("!<a[^>]+href=[\"']mailto:[^>]+>.*?</a>!is", $source, $ahref);
 284     $source = preg_replace("!<a[^>]+href=[\"']mailto:[^>]+>.*?</a>!is", '&&&ahref&&&', $source);
 285
 286     //prevant replacement in tag attributes
 287     preg_match_all("!<[^>]+[-a-z0-9_.]+@[-a-z0-9_.]+[^>]+>!is", $source, $misc);
 288     $source = preg_replace("!<[^>]+[-a-z0-9_.]+@[-a-z0-9_.]+[^>]+>!is", '&&&misc&&&', $source);
 289
 290     //catch !
 291 //    $source = preg_replace('!([-a-z0-9_.]+@[-a-z0-9_.]+)!ie', '_hide_email("\1")', $source);
 292     $source = preg_replace('!&&&ahref&&&!e', '_hide_email(array_shift($ahref[0]))', $source);
 293     $source = preg_replace('!&&&misc&&&!e', '_hide_email(array_shift($misc[0]))', $source);
 294
 295     // restore data
 296     foreach ($tags as $tag) {
 297         $source = preg_replace("!&&&{$tag}&&&!e",  'array_shift(${$tag}[0])', $source);
 298     }
 299
 300     return $source;
 301 }
 302
 303 // }}}
 304
 305 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker:
 306 ?>