mirror of
https://github.com/YunoHost-Apps/spip_ynh.git
synced 2024-09-03 20:25:59 +02:00
302 lines
10 KiB
PHP
302 lines
10 KiB
PHP
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<?php
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/***************************************************************************\
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* SPIP, Systeme de publication pour l'internet *
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* *
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* Copyright (c) 2001-2014 *
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* Arnaud Martin, Antoine Pitrou, Philippe Riviere, Emmanuel Saint-James *
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* *
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* Ce programme est un logiciel libre distribue sous licence GNU/GPL. *
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* Pour plus de details voir le fichier COPYING.txt ou l'aide en ligne. *
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\***************************************************************************/
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if (!defined('_ECRIRE_INC_VERSION')) return;
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include_spip('inc/presentation');
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include_spip('public/debusquer');
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// Script de validation XML selon une DTD
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// l'argument var_url peut indiquer un fichier ou un repertoire
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// l'argument ext peut valoir "php" ou "html"
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// Si "php", le script est execute et la page valide
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// Si "html", on suppose que c'est un squelette dont on devine les args
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// en cherchant les occurrences de Pile[0].
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// Exemples:
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// ecrire?exec=valider_xml&var_url=exec&ext=php pour tester l'espace prive
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// ecrire?exec=valider_xml&var_url=../squelettes-dist&ext=html pour le public
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// http://doc.spip.org/@exec_valider_xml_dist
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function exec_valider_xml_dist()
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{
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if (!autoriser('sauvegarder')) {
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include_spip('inc/minipres');
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echo minipres();
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} else valider_xml_ok(_request('var_url'), _request('ext'), intval(_request('limit')), _request('recur'));
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}
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// http://doc.spip.org/@valider_xml_ok
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function valider_xml_ok($url, $req_ext, $limit, $rec)
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{
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$url = urldecode($url);
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$rec = !$rec ? false : array();
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if (!$limit) $limit = 200;
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$titre = _T('analyse_xml');
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if (!$url) {
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$url_aff = 'http://';
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$onfocus = "this.value='';";
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$texte = $bandeau = $err = '';
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} else {
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include_spip('inc/distant');
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if (is_dir($url)) {
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$dir = (substr($url,-1,1) === '/') ? $url : "$url/";
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$ext = !preg_match('/^[.*\w]+$/', $req_ext) ? 'php' : $req_ext;
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$files = preg_files($dir, "$ext$", $limit, $rec);
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if (!$files AND $ext!=='html') {
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$files = preg_files($dir, 'html$', $limit, $rec);
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if ($files) $ext = 'html';
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}
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if ($files) {
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$res = valider_dir($files, $ext, $url);
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list($err, $res) = valider_resultats($res, $ext === 'html');
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$err = ' (' . $err . '/' . count($files) .')';
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} else {
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$res = _T('texte_vide');
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$err = '';
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}
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$bandeau = $dir . '*' . $ext . $err;
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} else {
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if (preg_match('@^((?:[.]/)?[^?]*)[?]([0-9a-z_]+)=([^&]*)(.*)$@', $url, $r)) {
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list(,$server, $dir, $script, $args) = $r;
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if (((!$server) OR ($server == './')
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OR strpos($server, url_de_base()) === 0)
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AND is_dir($dir)) {
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$url = $script;
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// Pour quand le validateur saura simuler
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// une query-string...
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// $args = preg_split('/&(amp;)?[a-z0-9_]+=/', $args);
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$args = true;
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}
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} else { $dir = 'exec'; $script = $url; $args = true;}
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$transformer_xml = charger_fonction('valider', 'xml');
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$onfocus = "this.value='" . addslashes($url) . "';";
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if (preg_match(',^[a-z][0-9a-z_]*$,i', $url)) {
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$res = $transformer_xml(charger_fonction($url, $dir), $args);
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$url_aff = valider_pseudo_url($dir, $script);
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} else {
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$res = $transformer_xml(recuperer_page($url));
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$url_aff = entites_html($url);
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}
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list($texte, $err) = emboite_texte($res);
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if (!$err) {
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$err = '<h3>' . _T('spip_conforme_dtd') . '</h3>';
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}
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$res =
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"<div style='text-align: center'>" . $err . "</div>" .
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"<div style='margin: 10px; text-align: left'>" . $texte . '</div>';
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$bandeau = "<a href='$url_aff'>$url</a>";
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}
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}
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$commencer_page = charger_fonction('commencer_page', 'inc');
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$debut = $commencer_page($titre);
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$jq = http_script("", 'jquery.js');
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echo str_replace('<head>', "<head>$jq", $debut);
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$onfocus = '<input type="text" size="70" value="' .$url_aff .'" name="var_url" id="var_url" onfocus="'.$onfocus . '" />';
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$onfocus = generer_form_ecrire('valider_xml', $onfocus, " method='get'");
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echo "<h1>", $titre, '<br>', $bandeau, '</h1>',
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"<div style='text-align: center'>", $onfocus, "</div>",
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$res,
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fin_page();
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}
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// http://doc.spip.org/@valider_resultats
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function valider_resultats($res, $mode)
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{
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$i = $j = 0;
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$table = '';
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rsort($res);
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foreach($res as $l) {
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$i++;
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$class = 'row_'.alterner($i, 'even', 'odd');
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list($nb, $texte, $erreurs, $script, $appel, $temps) = $l;
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if ($texte < 0) {
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$texte = (0- $texte);
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$color = ";color: red";
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} else {$color = '';}
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$err = (!intval($nb)) ? '' :
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($erreurs[0][0] . ' ' . _T('ligne') . ' ' .
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$erreurs[0][1] .($nb==1? '': ' ...'));
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if ($err) $j++;
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$h = $mode
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? ($appel . '&var_mode=debug&var_mode_affiche=validation')
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: generer_url_ecrire('valider_xml', "var_url=" . urlencode($appel));
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$table .= "<tr class='$class'>"
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. "<td style='text-align: right'>$nb</td>"
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. "<td style='text-align: right$color'>$texte</td>"
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. "<td style='text-align: right'>$temps</td>"
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. "<td style='text-align: left'>$err</td>"
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. "<td>$script</td>"
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. "<td><a href='$h'>$appel</a></td>";
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}
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return array($j, "<table class='spip'>"
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. "<tr><th>"
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. _T('erreur_texte')
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. "</th><th>"
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. _T('taille_octets', array('taille' => ' '))
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. "</th><th>"
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. _T('zbug_profile', array('time' =>''))
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. "</th><th>"
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. _T('message')
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. "</th><th>Page</th><th>args"
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. "</th></tr>"
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. $table
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. "</table>");
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}
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// http://doc.spip.org/@valider_script
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function valider_script($transformer_xml, $script, $dir, $ext)
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{
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$script = basename($script, '.php');
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$dir = basename($dir);
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$f = charger_fonction($script, $dir, true);
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// ne pas se controler soi-meme ni l'index du repertoire ni un fichier annexe
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if ($script == _request('exec') OR $script=='index' OR !$f)
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return array('/', 0, '', $script,'');
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$val = $transformer_xml($f, true);
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$appel = '';
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// s'il y a l'attribut minipres, le test est non significatif
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// le script necessite peut-etre des arguments, on lui en donne,
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// en appelant la fonction _args associee si elle existe
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// Si ca ne marche toujours pas, les arguments n'<27>taient pas bons
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// ou c'est une authentification pour action d'administration;
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// tant pis, on signale le cas par un resultat negatif
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if (strpos($val->page, "id='minipres'")) {
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if (!$g = charger_fonction($script . '_args', $dir, true)) {
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$res = 0 - strlen($val->page);
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} else {
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$args = array(1, 'id_article', 1);
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$val = $transformer_xml($g, $args);
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$appel = 'id_article=1&type=id_article&id=1';
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if (strpos($val->page, "id='minipres'")) {
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$res = 0 - strlen($val->page);
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} else $res = strlen($val->page);
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}
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} else $res = strlen($val->page);
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$appel = valider_pseudo_url($dir, $script, $appel);
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$err = $val->err;
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return array(count($err), $res, $err, $script, $appel);
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}
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// http://doc.spip.org/@valider_pseudo_url
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function valider_pseudo_url($dir, $script, $args='')
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{
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return ($dir == 'exec')
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? generer_url_ecrire($script, $args, false, true)
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: ("./?$dir=$script" . ($args ? "&$args" : ''));
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}
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// On essaye de valider un texte meme sans Doctype
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// a moins qu'un Content-Type dise clairement que ce n'est pas du XML
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// http://doc.spip.org/@valider_skel
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function valider_skel($transformer_xml, $file, $dir, $ext)
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{
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if (!lire_fichier ($file, $text)) return array('/', '/', $file,'');
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if (!strpos($text, 'DOCTYPE')) {
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preg_match(",Content[-]Type: *\w+/(\S)+,", $text, $r);
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if ($r[1] === 'css' OR $r[1] === 'plain')
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return array('/', 'DOCTYPE?', $file,'');
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}
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if ($ext != 'html') {
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// validation d'un non squelette
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$page = array('texte' => $text);
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$url = url_de_base() . _DIR_RESTREINT_ABS . $file;
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$script = $file;
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} else {
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$script = basename($file,'.html');
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// pas de validation solitaire pour les squelettes internes, a revoir.
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if (substr_count($dir, '/') <= 1) {
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$url = generer_url_public($script, $contexte);
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} else $url = '';
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$composer = charger_fonction('composer', 'public');
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list($skel_nom, $skel_code) = $composer($text, 'html', 'html', $file);
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spip_log("compilation de $file en " . strlen($skel_code) . " octets de nom $skel_nom");
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if (!$skel_nom) return array('/', '/', $file,'');
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$contexte = valider_contexte($skel_code, $file);
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$page = $skel_nom(array('cache'=>''), array($contexte));
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}
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$res = $transformer_xml($page['texte']);
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return array(count($res->err), strlen($res->page), $res->err, $script, $url);
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}
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// Analyser le code pour construire un contexte plausible complet
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// i.e. ce qui est fourni par $Pile[0]
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// en eliminant les exceptions venant surtout des Inclure
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// Il faudrait trouver une typologie pour generer un contexte parfait:
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// actuellement ca produit parfois des erreurs SQL a l'appel de $skel_nom
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// http://doc.spip.org/@valider_contexte
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function valider_contexte($code, $file)
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{
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static $exceptions = array('action', 'doublons', 'lang');
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preg_match_all('/(\S*)[$]Pile[[]0[]][[].(\w+).[]](\S*)/', $code, $r, PREG_SET_ORDER);
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$args = array();
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// evacuer les repetitions et les faux parametres
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foreach($r as $v) {
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list(,$f, $nom, $suite) = $v;
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if (!in_array($nom, $exceptions)
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AND (!isset($args[$nom]) OR !$args[$nom]))
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$args[$nom] = ((strpos($f, 'sql_quote') !== false)
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AND strpos($suite, "'int'") !==false);
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}
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$contexte= array(); // etudier l'ajout de:
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// 'lang' => $GLOBALS['spip_lang'],
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// 'date' => date('Y-m-d H:i:s'));
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foreach ($args as $nom => $f) {
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if (!$f)
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$val = 'id_article';
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else {
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// on suppose que arg numerique => primary-key d'une table
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// chercher laquelle et prendre un numero existant
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$val = 0;
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$type = (strpos($nom, 'id_') === 0) ? substr($nom,3) : $nom;
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$trouver_table = charger_fonction('trouver_table', 'base');
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$table = $trouver_table(table_objet_sql($type));
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if ($table)
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$val = @sql_getfetsel($nom, $table['table'], '', '','',"0,1");
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// porte de sortie si ca marche pas,
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if (!$val) $val = 1;
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}
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$contexte[$nom] = $val;
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}
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return $contexte;
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}
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// http://doc.spip.org/@valider_dir
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function valider_dir($files, $ext, $dir)
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{
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$res = array();
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$transformer_xml = charger_fonction('valider', 'xml');
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$valideur = $ext=='php' ? 'valider_script' : 'valider_skel' ;
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foreach($files as $f) {
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spip_timer($f);
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$val = $valideur($transformer_xml, $f, $dir, $ext);
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$n = spip_timer($f);
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$val[]= $n;
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spip_log("validation de $f en $n secondes");
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$res[]= $val;
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}
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return $res;
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}
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?>
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