204 lines
5.3 KiB
PHP
204 lines
5.3 KiB
PHP
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<?php
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/**
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* Plugin oEmbed
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* Licence GPL3
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*
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*/
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if (!defined('_ECRIRE_INC_VERSION')){
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return;
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}
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// renvoyer un mim_type text/oembed pour les videos oembed
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function mime_type_oembed($id_document){
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if (!($id_document = intval($id_document))){
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return '';
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}
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$extension = sql_getfetsel(
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'extension',
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'spip_documents',
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'id_document = ' . intval($id_document)
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);
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$mime_type = sql_getfetsel(
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'mime_type',
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'spip_types_documents',
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'extension = ' . sql_quote($extension)
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);
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if ($mime_type=='text/html'
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and sql_getfetsel('oembed', 'spip_documents', "id_document=$id_document")){
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$mime_type = 'text/oembed';
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}
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return $mime_type;
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}
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// balise #MIME_TYPE pour oembed
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function balise_MIME_TYPE_dist($p){
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$b = $p->nom_boucle ? $p->nom_boucle : $p->id_boucle;
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$key = $p->boucles[$b]->primary;
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/**
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* Si la clé est extension, on est dans une boucle sur la table spip_documents
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*/
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if ($key=='extension'){
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$p->code = champ_sql('mime_type', $p);
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} else {
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/* explorer la pile memoire pour atteindre le 'vrai' champ */
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$id_document = champ_sql('id_document', $p);
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/* le code php qui sera execute */
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$p->code = "mime_type_oembed(" . $id_document . ")";
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}
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return $p;
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}
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/**
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* un filtre pour json_encode avec les bonnes options, pour l'export json des modeles
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* @param $texte
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* @return string
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*/
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function json_encode_html($texte){
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#$texte = json_encode($texte,JSON_HEX_TAG);
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$texte = json_encode($texte);
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$texte = str_replace(array('<', '>'), array('\u003C', '\u003E'), $texte);
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return $texte;
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}
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/**
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* Filtre utilisable dans un squelette
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* |oembed{550,300}
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*
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* @param string $url
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* @param int $maxwidth
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* @param int $maxheight
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* @return string
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*/
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function oembed($url, $maxwidth = 0, $maxheight = 0){
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include_spip('inc/oembed');
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if (oembed_verifier_provider($url)){
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$fond = recuperer_fond(
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'modeles/oembed',
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array('url' => $url, 'lien' => '', 'maxwidth' => $maxwidth, 'maxheight' => $maxheight)
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);
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if ($fond = trim($fond)){
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return $fond;
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}
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}
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return $url;
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}
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/**
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* Modifier l'iframe d'une video pour la passer en autoplay
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* quand on l'injecte en async dans le html
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* @param $html
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* @return mixed
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*/
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function oembed_force_video_autoplay($html){
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if ($e = extraire_balise($html, 'iframe')
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and $src = extraire_attribut($e, 'src')){
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$src_amp = parametre_url($src, 'dummy', null);
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if (strpos($src, 'soundcloud')!==false){
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$src_autoplay = parametre_url($src, 'auto_play', '1', '&');
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} else {
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$src_autoplay = parametre_url($src, 'autoplay', '1', '&');
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}
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if (strpos($html, $src_amp)){
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$html = str_replace($src_amp, $src_autoplay, $html);
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} else {
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$html = str_replace($src, $src_autoplay, $html);
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}
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}
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return $html;
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}
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include_spip('inc/ressource');
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if (function_exists('inc_ressource_dist')){
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// SPIP 3.1
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function inc_ressource($rac){
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$html = oembed_traiter_ressource($rac);
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if (is_null($html)){
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$html = inc_ressource_dist($rac);
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}
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return $html;
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}
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} else {
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// SPIP 3.0
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function inc_ressource_dist($rac){
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return oembed_traiter_ressource($rac);
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}
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}
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function oembed_traiter_ressource($rac){
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static $null_allowed = null;
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include_spip('inc/lien');
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$url = explode(' ', trim($rac, '<>'));
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$url = $url[0];
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$texte = null;
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# <http://url/absolue>
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if (preg_match(',^https?://,i', $url)){
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include_spip('inc/oembed');
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$lien = PtoBR(propre('[->' . $url . ']'));
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// null si pas embedable
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$texte = oembed_embarquer_lien($lien);
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if ($texte){
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$texte = "<html>$texte</html>";
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}
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}
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// compat SPIP < 3.0.14
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// sans le patch https://zone.spip.org/trac/spip-zone/changeset/79139/_core_/branches/spip-3.0/plugins/textwheel
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if (is_null($texte)){
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if (is_null($null_allowed)){
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if (version_compare($GLOBALS['spip_version_branche'], '3.0.14', '<')){
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$null_allowed = false;
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} else {
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$null_allowed = true;
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}
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}
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if (!$null_allowed){
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include_spip('inc/lien');
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$url = explode(' ', trim($rac, '<>'));
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$url = $url[0];
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# <http://url/absolue>
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if (preg_match(',^https?://,i', $url)){
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$texte = PtoBR(propre("<span class='ressource spip_out'><[->" . $url . ']></span>'));
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# <url/relative>
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} elseif (false!==strpos($url, '/')) {
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$texte = PtoBR(propre("<span class='ressource spip_in'><[->" . $url . ']></span>'));
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# <fichier.rtf>
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} else {
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preg_match(',\.([^.]+)$,', $url, $regs);
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if (file_exists($f = _DIR_IMG . $regs[1] . '/' . $url)){
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$texte = PtoBR(propre("<span class='ressource spip_in'><[" . $url . '->' . $f . ']></span>'));
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} else {
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$texte = PtoBR(propre("<span class='ressource'><" . $url . '></span>'));
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}
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}
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}
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}
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return $texte;
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}
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/**
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* Securiser la vignette utilisee pour les videos oembed en mode async :
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* si c'est une image locale il faut
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* - en faire une copie dans local/ via image_reduire pour le cas ou acces_retreint
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* - appliquer url_absolue dessus car si on est sur une page avec url arbo le <base> ne s'appliquera pas dans le style inline
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* @param string $img
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* @return string
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*/
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function oembed_safe_thumbnail($img){
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if (!tester_url_absolue($img) and file_exists($img)){
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if (!function_exists('image_filtrer')){
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include_spip('inc/filtres');
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}
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$img = image_filtrer(array('image_reduire', $img, 1200, 1200));
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$img = image_filtrer(array('image_graver', $img));
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$img = extraire_attribut($img, 'src');
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$img = url_absolue($img);
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}
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return $img;
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}
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