--- /dev/null
+<?php
+/**
+ * BouncingOrange SPIP SEO plugin
+ *
+ * @category SEO
+ * @package SPIP\SEO\Fonctions
+ * @author Pierre ROUSSET (p.rousset@gmail.com)
+ * @copyright Copyright (c) 2009 BouncingOrange (http://www.bouncingorange.com)
+ * @license http://opensource.org/licenses/gpl-2.0.php General Public License (GPL 2.0)
+ */
+
+if (!defined('_ECRIRE_INC_VERSION')) {
+ return;
+}
+
+include_spip('inc/texte');
+
+function seo_interprete_contexte($contexte) {
+ static $infos;
+ $s = serialize($contexte);
+ if (isset($infos[$s])) {
+ return $infos[$s];
+ }
+ $infos[$s] = array('objet' => 'sommaire');
+ if (isset($contexte['page'])) {
+ $infos[$s] = array('objet' => $contexte['page']);
+ }
+ if (isset($contexte['type-page'])) {
+ $infos[$s]['objet'] = $contexte['type-page'];
+ if ($infos[$s]['objet']!=='sommaire'
+ and $primary = id_table_objet($infos[$s]['objet'])
+ and isset($contexte[$primary])) {
+ $infos[$s]['id_objet'] = $contexte[$primary];
+ $infos[$s]['primary'] = $primary;
+ $infos[$s]['table_sql'] = table_objet_sql($infos[$s]['objet']);
+ }
+ return $infos[$s];
+ }
+ // d'abord les rubriques
+ if (isset($contexte['id_rubrique'])) {
+ $infos[$s] = array(
+ 'objet'=>'rubrique',
+ 'id_objet'=>$contexte['id_rubrique'],
+ 'primary'=>'id_rubrique',
+ 'table_sql'=>'spip_rubriques'
+ );
+ }
+ // puis voyons si on trouve un objet plus precis
+ $tables = lister_tables_objets_sql();
+ foreach ($tables as $t => $d) {
+ if ($t!=='spip_rubriques'
+ and isset($d['key']['PRIMARY KEY'])
+ and ($infos[$s]['objet']!=='rubrique'
+ or isset($d['field']['id_rubrique']))
+ ) {
+ $primary = $d['key']['PRIMARY KEY'];
+ if (isset($contexte[$primary])) {
+ $infos[$s]['objet'] = $d['type'];
+ $infos[$s]['id_objet'] = $contexte[$primary];
+ $infos[$s]['primary'] = $primary;
+ $infos[$s]['table_sql'] = $t;
+ return $infos[$s];
+ }
+ }
+ }
+ return $infos[$s];
+}
+
+/**
+ * Remplace les meta du head par celles calculees par le plugin
+ * utilise par le squelette inclure/seo-head
+ *
+ * @param string $head
+ * @param array $contexte
+ * @return string
+ */
+function seo_insere_remplace_metas($head, $contexte) {
+
+ $append = '<!--seo_insere-->';
+ // on ne fait rien si deja insere
+ if (strpos($head, $append) !== false) {
+ return $head;
+ }
+
+ include_spip('inc/config');
+ $config = lire_config('seo/');
+ $i = seo_interprete_contexte($contexte);
+ $is_sommaire = ($i['objet']=='sommaire');
+
+ if (isset($config['meta_tags']['activate']) and $config['meta_tags']['activate']=='yes') {
+ /* d'abord les meta tags */
+ $meta_tags = seo_generer_meta_tags(null, $contexte);
+
+ foreach ($meta_tags as $key => $meta) {
+ $preg = '';
+ if ($key=='title') {
+ /**
+ * Si le tag est <title>
+ */
+ $preg = "/(<{$key}[^>]*>.*<\/{$key}[^>]*>)/Uims";
+ } else {
+ /**
+ * Le tag est une <meta>
+ */
+ $preg = "/(<meta\s+name=['\"]{$key}['\"][^>]*>)/Uims";
+ }
+
+ // remplacer la meta si on la trouve
+ if ($preg and preg_match($preg, $head, $match)) {
+ if (stristr($match[0], "data-strict") === FALSE)
+ $head = str_replace($match[0], $meta, $head);
+ } else {
+ $append .= "$meta\n";
+ }
+ }
+ }
+ /* META GOOGLE WEBMASTER TOOLS */
+ if (isset($config['webmaster_tools'])
+ and $config['webmaster_tools']['activate']=='yes'
+ and $is_sommaire) {
+ $append .= "\n" . seo_generer_webmaster_tools();
+ }
+
+ if (isset($config['bing'])
+ and $config['bing']['activate'] == 'yes'
+ and $is_sommaire) {
+ $append .= "\n" . seo_generer_bing();
+ }
+
+ /* CANONICAL URL */
+ if (isset($config['canonical_url'])
+ and $config['canonical_url']['activate']=='yes') {
+ $append .= "\n" . seo_generer_urls_canoniques($contexte);
+ }
+
+ /* GOOGLE ANALYTICS */
+ if (isset($config['analytics'])
+ and $config['analytics']['activate']=='yes') {
+ $append .= "\n" . seo_generer_google_analytics();
+ }
+
+ /* ALEXA */
+ if (isset($config['alexa'])
+ and $config['alexa']['activate']=='yes'
+ and $is_sommaire) {
+ $append .= "\n" . seo_generer_alexa();
+ }
+
+ if ($append) {
+ $append = "\n$append\n";
+ // sinon ajouter en fin de </head>
+ if ($p = stripos($head, '</head>')) {
+ $head = substr_replace($head, $append, $p, 0);
+ } else {
+ $head .= $append;
+ }
+ }
+
+ return $head;
+}
+
+/**
+ * Renvoyer la balise <link> pour URL CANONIQUES
+ *
+ * @param array $contexte
+ * @return string
+ */
+function seo_generer_urls_canoniques($contexte) {
+ include_spip('inc/urls');
+ $i = seo_interprete_contexte($contexte);
+
+ if (isset($i['id_objet'])) {
+ return '<link rel="canonical" href="' . generer_url_entite_absolue($i['id_objet'], $i['objet']) . '" />';
+ } elseif ($i['objet'] == 'sommaire') {
+ return '<link rel="canonical" href="' . url_de_base() . '" />';
+ }
+
+ return '';
+}
+
+/**
+ * Renvoyer la balise SCRIPT de Google Analytics
+ *
+ * @return string
+ */
+function seo_generer_google_analytics() {
+ include_spip('inc/config');
+
+ /* GOOGLE ANALYTICS */
+ if ($id = lire_config('seo/analytics/id')) {
+ $id = texte_script($id);
+ // Nouvelle balise : http://www.google.com/support/analytics/bin/answer.py?hl=fr_FR&answer=174090&utm_id=ad
+ if (!lire_config('seo/analytics/universal')) {
+ return "<script type=\"text/javascript\">
+ var _gaq = _gaq || [];
+ _gaq.push(['_setAccount', '$id']);
+ _gaq.push(['_trackPageview']);
+ (function() {
+ var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
+ ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
+ var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
+ })();
+</script>
+";
+ } else {
+ return "<script type=\"text/javascript\">
+ (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
+ (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
+ m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
+ })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
+ ga('create', '$id', 'auto');
+ ga('send', 'pageview');
+</script>
+";
+ }
+ }
+
+ return '';
+}
+
+/**
+ * Renvoyer les META Classiques
+ * - Meta Titre / Description / etc.
+ *
+ * @param null|array $contexte
+ * @return array
+ */
+function seo_calculer_meta_tags($contexte = null) {
+ include_spip('inc/config');
+ include_spip('inc/filtres');
+ $config = lire_config('seo/');
+
+ if (is_null($contexte)) {
+ $contexte = $GLOBALS['contexte'];
+ }
+ $i = seo_interprete_contexte($contexte);
+
+ /* META TAGS */
+
+ // If the meta tags configuration is activate
+ $meta_tags = array();
+
+ if (isset($i['id_objet'])) {
+ $trouver_table = charger_fonction('trouver_table', 'base');
+ $desc = $trouver_table($i['table_sql']);
+ $select = array();
+ if (isset($desc['titre'])) {
+ $select[] = $desc['titre'];
+ } elseif (isset($desc['field']['titre'])) {
+ $select[] = 'titre';
+ }
+ if (isset($desc['field']['descriptif'])) {
+ $select[] = 'descriptif';
+ }
+ if (isset($desc['field']['chapo'])) {
+ $select[] = 'chapo';
+ }
+ if (isset($desc['field']['texte'])) {
+ $select[] = 'texte';
+ }
+
+ $tag = array();
+ if (count($select)) {
+ $select = implode(',', $select);
+ $row = sql_fetsel($select, $i['table_sql'], $i['primary'].'=' . intval($i['id_objet']));
+ if ($row) {
+ if (isset($row['titre'])) {
+ $tag['title'] = couper(extraire_multi($row['titre'], isset($contexte['lang']) ? $contexte['lang'] : $GLOBALS['spip_lang']), 64);
+ unset($row['titre']);
+ }
+ if (isset($row['lang'])) {
+ unset($row['lang']);
+ }
+
+ if (count($row)) {
+ $tag['description'] = couper(implode(' ', $row), 150, '');
+ }
+ }
+ }
+ // Get the value set by default
+ if (isset($config['meta_tags']['default']) and is_array($config['meta_tags']['default'])) {
+ foreach ($config['meta_tags']['default'] as $name => $option) {
+ $meta_tags[$name] = array();
+ if (in_array($option, array('page', 'page_sommaire'))) {
+ if (isset($tag[$name])) {
+ $meta_tags[$name][] = $tag[$name];
+ }
+ }
+ if (in_array($option, array('sommaire','page_sommaire'))) {
+ if (isset($config['meta_tags']['tag'][$name])) {
+ $meta_tags[$name][] = $config['meta_tags']['tag'][$name];
+ }
+ }
+ if (count($meta_tags[$name])) {
+ $meta_tags[$name] = implode(' - ', $meta_tags[$name]);
+ } else {
+ unset($meta_tags[$name]);
+ }
+ }
+ }
+
+ // If the meta tags rubrique and articles editing is activate (should overwrite other setting)
+ if (isset($config['meta_tags']['activate_editing'])
+ and $config['meta_tags']['activate_editing'] == 'yes') {
+ $result = sql_select('*', 'spip_seo', 'id_objet=' . intval($i['id_objet']) . ' AND objet=' . sql_quote($i['objet']));
+ while ($r = sql_fetch($result)) {
+ if ($r['meta_content'] != '') {
+ $meta_tags[$r['meta_name']] = $r['meta_content'];
+ }
+ }
+ }
+ } elseif ($i['objet'] == 'sommaire') {
+ $meta_tags = isset($config['meta_tags']['tag'])?$config['meta_tags']['tag']:array();
+ }
+ $meta_tags = pipeline('post_seo', array
+ (
+ 'args' => array(
+ 'contexte' => $contexte,
+ 'config' => $config
+ ),
+ 'data' => $meta_tags
+ )
+ );
+ return $meta_tags;
+}
+
+/**
+ * @param null|array $contexte
+ * @param null|array $meta_tags
+ * @return array
+ */
+function seo_generer_meta_tags($meta_tags = null, $contexte = null) {
+ $tags = array();
+ //Set meta list if not provided
+ if (!is_array($meta_tags)) {
+ $meta_tags = seo_calculer_meta_tags($contexte);
+ }
+
+ // Print the result on the page
+ foreach ($meta_tags as $name => $content) {
+ if ($content!='') {
+ if ($name == 'title') {
+ $tags[$name] = '<title>' . trim(entites_html(supprimer_numero(textebrut(propre($content))))) . '</title>';
+ } else {
+ $tags[$name] = '<meta name="' . $name . '" content="' . trim(attribut_html(textebrut(propre($content)))) . '" />';
+ }
+ }
+ }
+ return $tags;
+}
+
+/**
+ * Renvoyer une META toute seule (hors balise)
+ * @param string $nom
+ * @return string
+ */
+function seo_generer_meta_brute($nom) {
+ include_spip('inc/config');
+ return lire_config("seo/meta_tags/tag/$nom", '');
+}
+
+/**
+ * Renvoyer la META GOOGLE WEBMASTER TOOLS
+ * @return string
+ */
+function seo_generer_webmaster_tools() {
+ include_spip('inc/config');
+ if ($id = lire_config('seo/webmaster_tools/id')) {
+ return '<meta name="google-site-verification" content="' . texte_script($id) . '" />';
+ }
+}
+
+
+/**
+ * Renvoyer la META BING TOOLS
+ * @return string
+ */
+function seo_generer_bing() {
+ include_spip('inc/config');
+ if ($id=lire_config('seo/bing/id')) {
+ return '<meta name="msvalidate.01" content="' . texte_script($id) . '" />';
+ }
+}
+
+/**
+ * Renvoyer la META ALEXA
+ * @return string
+ */
+function seo_generer_alexa() {
+ include_spip('inc/config');
+ if ($id=lire_config('seo/alexa/id')) {
+ return '<meta name="alexaVerifyID" content="' . texte_script($id) . '" />';
+ }
+}
+
+/**
+ * #SEO_URL
+ * Renvoyer la balise <link> pour URL CANONIQUES
+ * @param $p
+ */
+function balise_SEO_URL_dist($p) {
+ $p->code = "seo_generer_urls_canoniques(\$Pile[0])";
+ $p->interdire_scripts = false;
+ return $p;
+}
+
+/**
+ * #SEO_GA
+ * Renvoyer la balise SCRIPT de Google Analytics
+ * @param $p
+ */
+function balise_SEO_GA_dist($p) {
+ $p->code = "seo_generer_google_analytics()";
+ $p->interdire_scripts = false;
+ return $p;
+}
+
+/**
+ * #SEO_META_TAGS
+ * Renvoyer les META editoriales
+ * - Meta Titre / Description / etc.
+ * @param $p
+ */
+function balise_SEO_META_TAGS_dist($p) {
+ $p->code = 'implode("\\n",seo_generer_meta_tags(null,$Pile[0]))';
+ $p->interdire_scripts = false;
+ return $p;
+}
+
+/**
+ * #SEO_META_BRUTE{nom_de_la_meta}
+ * Renvoyer la valeur de la meta appelée (sans balise)
+ * @param $p
+ */
+function balise_SEO_META_BRUTE_dist($p) {
+ $_nom = str_replace("'", '', interprete_argument_balise(1, $p));
+ $p->code = "table_valeur(seo_calculer_meta_tags(),$_nom,'')";
+ $p->interdire_scripts = false;
+ return $p;
+}
+
+/**
+ * #SEO_GWT
+ * Renvoyer la META GOOGLE WEBMASTER TOOLS
+ * @param $p
+ */
+function balise_SEO_GWT_dist($p) {
+ $p->code = "seo_generer_webmaster_tools()";
+ $p->interdire_scripts = false;
+ return $p;
+}
+
+/**
+ * #SEO : insere toutes les meta d'un coup, a l'endroit indique
+ * @param $p
+ */
+function balise_SEO_dist($p) {
+ $p->code = "seo_insere_remplace_metas('',\$Pile[0])";
+ $p->interdire_scripts = false;
+ return $p;
+}
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