X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Foembed.php;h=a1945894fcaf3fb877ff36c7e2b5a2ec1e0b7e71;hb=c74b7565a9fe681dd77cb2575659e3c4217847b6;hp=a4452586eebb1cd79bd904fc81603ca8bab381a2;hpb=00668aaa71336f48b141c443749a66c58a555503;p=friendica.git diff --git a/include/oembed.php b/include/oembed.php index a4452586ee..a1945894fc 100755 --- a/include/oembed.php +++ b/include/oembed.php @@ -1,145 +1,275 @@ width,$j->height); - + return $s; } +/** + * @brief Get data from an URL to embed its content. + * + * @param string $embedurl The URL from which the data should be fetched. + * @param bool $no_rich_type If set to true rich type content won't be fetched. + * + * @return bool|object Returns object with embed content or false if no embedable + * content exists + */ +function oembed_fetch_url($embedurl, $no_rich_type = false){ + $embedurl = trim($embedurl, "'"); + $embedurl = trim($embedurl, '"'); -function oembed_fetch_url($embedurl){ + $a = get_app(); - $txt = Cache::get($embedurl); + $r = q("SELECT * FROM `oembed` WHERE `url` = '%s'", + dbesc(normalise_link($embedurl))); + if (dbm::is_result($r)) { + $txt = $r[0]["content"]; + } else { + $txt = Cache::get($a->videowidth . $embedurl); + } // These media files should now be caught in bbcode.php // left here as a fallback in case this is called from another source $noexts = array("mp3","mp4","ogg","ogv","oga","ogm","webm"); $ext = pathinfo(strtolower($embedurl),PATHINFO_EXTENSION); - - - if(is_null($txt)){ + + + if (is_null($txt)) { $txt = ""; - + if (!in_array($ext, $noexts)){ // try oembed autodiscovery $redirects = 0; $html_text = fetch_url($embedurl, false, $redirects, 15, "text/*"); - if($html_text){ + if ($html_text) { $dom = @DOMDocument::loadHTML($html_text); - if ($dom){ + if ($dom) { $xpath = new DOMXPath($dom); $attr = "oembed"; - $xattr = oe_build_xpath("class","oembed"); $entries = $xpath->query("//link[@type='application/json+oembed']"); - foreach($entries as $e){ + foreach ($entries as $e) { $href = $e->getAttributeNode("href")->nodeValue; - $txt = fetch_url($href . '&maxwidth=425'); + $txt = fetch_url($href . '&maxwidth=' . $a->videowidth); + break; + } + $entries = $xpath->query("//link[@type='text/json+oembed']"); + foreach ($entries as $e) { + $href = $e->getAttributeNode("href")->nodeValue; + $txt = fetch_url($href . '&maxwidth=' . $a->videowidth); break; } } } } - - if ($txt==false || $txt==""){ - // try oohembed service - $ourl = "http://oohembed.com/oohembed/?url=".urlencode($embedurl).'&maxwidth=425'; - $txt = fetch_url($ourl); + + if ($txt==false || $txt=="") { + $embedly = Config::get("system", "embedly"); + if ($embedly != "") { + // try embedly service + $ourl = "https://api.embed.ly/1/oembed?key=".$embedly."&url=".urlencode($embedurl); + $txt = fetch_url($ourl); + + logger("oembed_fetch_url: ".$txt, LOGGER_DEBUG); + } } - + $txt=trim($txt); - if ($txt[0]!="{") $txt='{"type":"error"}'; - - //save in cache - Cache::set($embedurl,$txt); + if ($txt[0]!="{") { + $txt='{"type":"error"}'; + } else { //save in cache + $j = json_decode($txt); + if ($j->type != "error") { + q("INSERT INTO `oembed` (`url`, `content`, `created`) VALUES ('%s', '%s', '%s') + ON DUPLICATE KEY UPDATE `content` = '%s', `created` = '%s'", + dbesc(normalise_link($embedurl)), + dbesc($txt), dbesc(datetime_convert()), + dbesc($txt), dbesc(datetime_convert())); + } + + Cache::set($a->videowidth.$embedurl, $txt, CACHE_DAY); + } } - + $j = json_decode($txt); + + if (!is_object($j)) { + return false; + } + + // Always embed the SSL version + if (isset($j->html)) { + $j->html = str_replace(array("http://www.youtube.com/", "http://player.vimeo.com/"), + array("https://www.youtube.com/", "https://player.vimeo.com/"), $j->html); + } + $j->embedurl = $embedurl; + + // If fetching information doesn't work, then improve via internal functions + if (($j->type == "error") OR ($no_rich_type AND ($j->type == "rich"))) { + $data = ParseUrl::getSiteinfoCached($embedurl, true, false); + $j->type = $data["type"]; + + if ($j->type == "photo") { + $j->url = $data["url"]; + //$j->width = $data["images"][0]["width"]; + //$j->height = $data["images"][0]["height"]; + } + + if (isset($data["title"])) { + $j->title = $data["title"]; + } + + if (isset($data["text"])) { + $j->description = $data["text"]; + } + + if (is_array($data["images"])) { + $j->thumbnail_url = $data["images"][0]["src"]; + $j->thumbnail_width = $data["images"][0]["width"]; + $j->thumbnail_height = $data["images"][0]["height"]; + } + } + + call_hooks('oembed_fetch_url', $embedurl, $j); + return $j; } - + function oembed_format_object($j){ - $a = get_app(); - $embedurl = $j->embedurl; + require_once("mod/proxy.php"); + + $embedurl = $j->embedurl; $jhtml = oembed_iframe($j->embedurl,(isset($j->width) ? $j->width : null), (isset($j->height) ? $j->height : null) ); $ret=""; switch ($j->type) { - case "video": { + case "video": if (isset($j->thumbnail_url)) { - $tw = (isset($j->thumbnail_width)) ? $j->thumbnail_width:200; - $th = (isset($j->thumbnail_height)) ? $j->thumbnail_height:180; - $tr = $tw/$th; - + $tw = (isset($j->thumbnail_width) && intval($j->thumbnail_width)) ? $j->thumbnail_width:200; + $th = (isset($j->thumbnail_height) && intval($j->thumbnail_height)) ? $j->thumbnail_height:180; + // make sure we don't attempt divide by zero, fallback is a 1:1 ratio + $tr = (($th) ? $tw/$th : 1); + $th=120; $tw = $th*$tr; $tpl=get_markup_template('oembed_video.tpl'); $ret.=replace_macros($tpl, array( - '$baseurl' => $a->get_baseurl(), - '$embedurl'=>$embedurl, - '$escapedhtml'=>base64_encode($jhtml), - '$tw'=>$tw, - '$th'=>$th, - '$turl'=>$j->thumbnail_url, + '$baseurl' => App::get_baseurl(), + '$embedurl' => $embedurl, + '$escapedhtml' => base64_encode($jhtml), + '$tw' => $tw, + '$th' => $th, + '$turl' => $j->thumbnail_url, )); - + } else { $ret=$jhtml; } - $ret.="
"; - }; break; - case "photo": { - $ret.= ""; - //$ret.= ""; - $ret.="
"; - }; break; - case "link": { - //$ret = "".$j->title.""; - }; break; - case "rich": { - // not so safe.. - $ret.= $jhtml; - }; break; + //$ret.="
"; + break; + case "photo": + $ret.= ""; + break; + case "link": + break; + case "rich": + // not so safe.. + if (!Config::get("system","no_oembed_rich_content")) { + $ret.= proxy_parse_html($jhtml); + } + break; } // add link to source if not present in "rich" type - if ( $j->type!='rich' || !strpos($j->html,$embedurl) ){ - $embedlink = (isset($j->title))?$j->title:$embedurl; - $ret .= "$embedlink"; - if (isset($j->author_name)) $ret.=" by ".$j->author_name; - if (isset($j->provider_name)) $ret.=" on ".$j->provider_name; + if ($j->type!='rich' || !strpos($j->html,$embedurl) ){ + $ret .= "

"; + if (isset($j->title)) { + if (isset($j->provider_name)) { + $ret .= $j->provider_name.": "; + } + + $embedlink = (isset($j->title))?$j->title:$embedurl; + $ret .= "$embedlink"; + if (isset($j->author_name)) { + $ret.=" (".$j->author_name.")"; + } + } elseif (isset($j->provider_name) OR isset($j->author_name)) { + $embedlink = ""; + if (isset($j->provider_name)) { + $embedlink .= $j->provider_name; + } + + if (isset($j->author_name)) { + if ($embedlink != "") { + $embedlink .= ": "; + } + + $embedlink .= $j->author_name; + } + if (trim($embedlink) == "") { + $embedlink = $embedurl; + } + + $ret .= "$embedlink"; + } + //if (isset($j->author_name)) $ret.=" by ".$j->author_name; + //if (isset($j->provider_name)) $ret.=" on ".$j->provider_name; + $ret .= "

"; } else { // add for html2bbcode conversion - $ret .= ""; + $ret .= "$embedurl"; } - $ret.="
"; - return mb_convert_encoding($ret, 'HTML-ENTITIES', mb_detect_encoding($ret)); + $ret.=""; + $ret = str_replace("\n","",$ret); + return mb_convert_encoding($ret, 'HTML-ENTITIES', mb_detect_encoding($ret)); } -function oembed_iframe($src,$width,$height) { - if(! $width || strstr($width,'%')) - $width = '640'; - if(! $height || strstr($height,'%')) - $height = '300'; - // try and leave some room for the description line. - $height = intval($height) + 80; - $width = intval($width) + 40; - +/** + * @brief Generates the iframe HTML for an oembed attachment. + * + * Width and height are given by the remote, and are regularly too small for + * the generated iframe. + * + * The width is entirely discarded for the actual width of the post, while fixed + * height is used as a starting point before the inevitable resizing. + * + * Since the iframe is automatically resized on load, there are no need for ugly + * and impractical scrollbars. + * + * @param string $src Original remote URL to embed + * @param string $width + * @param string $height + * @return string formatted HTML + * + * @see oembed_format_object() + */ +function oembed_iframe($src, $width, $height) { $a = get_app(); - $s = $a->get_baseurl()."/oembed/".base64url_encode($src); - return ''; + if (!$height || strstr($height,'%')) { + $height = '200'; + } + $width = '100%'; + $s = App::get_baseurl() . '/oembed/' . base64url_encode($src); + return ''; } function oembed_bbcode2html($text){ - $stopoembed = get_config("system","no_oembed"); + $stopoembed = Config::get("system","no_oembed"); if ($stopoembed == true){ return preg_replace("/\[embed\](.+?)\[\/embed\]/is", "". t('Embedding disabled') ." : $1" ,$text); } @@ -152,14 +282,14 @@ function oe_build_xpath($attr, $value){ return "contains( normalize-space( @$attr ), ' $value ' ) or substring( normalize-space( @$attr ), 1, string-length( '$value' ) + 1 ) = '$value ' or substring( normalize-space( @$attr ), string-length( @$attr ) - string-length( '$value' ) ) = ' $value' or @$attr = '$value'"; } -function oe_get_inner_html( $node ) { - $innerHTML= ''; - $children = $node->childNodes; - foreach ($children as $child) { - $innerHTML .= $child->ownerDocument->saveXML( $child ); - } - return $innerHTML; -} +function oe_get_inner_html($node) { + $innerHTML= ''; + $children = $node->childNodes; + foreach ($children as $child) { + $innerHTML .= $child->ownerDocument->saveXML($child); + } + return $innerHTML; +} /** * Find .... @@ -167,18 +297,19 @@ function oe_get_inner_html( $node ) { */ function oembed_html2bbcode($text) { // start parser only if 'oembed' is in text - if (strpos($text, "oembed")){ - + if (strpos($text, "oembed")) { + // convert non ascii chars to html entities $html_text = mb_convert_encoding($text, 'HTML-ENTITIES', mb_detect_encoding($text)); - + // If it doesn't parse at all, just return the text. $dom = @DOMDocument::loadHTML($html_text); - if(! $dom) + if (! $dom) { return $text; + } $xpath = new DOMXPath($dom); $attr = "oembed"; - + $xattr = oe_build_xpath("class","oembed"); $entries = $xpath->query("//span[$xattr]"); @@ -190,8 +321,5 @@ function oembed_html2bbcode($text) { return oe_get_inner_html( $dom->getElementsByTagName("body")->item(0) ); } else { return $text; - } + } } - - -