Add Module\Oembed and Content\OEmbed
This commit is contained in:
Hypolite Petovan
parent
e376e1abf6
commit
e7c53af6fa
|
|
@ -2,6 +2,7 @@
|
|||
|
||||
use Friendica\App;
|
||||
use Friendica\Content\Smilies;
|
||||
use Friendica\Content\OEmbed;
|
||||
use Friendica\Core\Cache;
|
||||
use Friendica\Core\System;
|
||||
use Friendica\Core\Config;
|
||||
|
|
@ -232,7 +233,7 @@ function tryoembed($match) {
|
|||
$url = str_replace(array("http://www.youtube.com/", "http://player.vimeo.com/"),
|
||||
array("https://www.youtube.com/", "https://player.vimeo.com/"), $url);
|
||||
|
||||
$o = oembed_fetch_url($url);
|
||||
$o = OEmbed::fetchURL($url);
|
||||
|
||||
if (!is_object($o)) {
|
||||
return $match[0];
|
||||
|
|
@ -246,7 +247,7 @@ function tryoembed($match) {
|
|||
return $match[0];
|
||||
}
|
||||
|
||||
$html = oembed_format_object($o);
|
||||
$html = OEmbed::formatObject($o);
|
||||
|
||||
return $html;
|
||||
}
|
||||
|
|
@ -1263,7 +1264,7 @@ function bbcode($Text, $preserve_nl = false, $tryoembed = true, $simplehtml = fa
|
|||
// $Text = preg_replace("/\[youtube\](.*?)\[\/youtube\]/", '<object width="425" height="350" type="application/x-shockwave-flash" data="http://www.youtube.com/v/$1" ><param name="movie" value="http://www.youtube.com/v/$1"></param><!--[if IE]><embed src="http://www.youtube.com/v/$1" type="application/x-shockwave-flash" width="425" height="350" /><![endif]--></object>', $Text);
|
||||
|
||||
// oembed tag
|
||||
$Text = oembed_bbcode2html($Text);
|
||||
$Text = OEmbed::BBCode2HTML($Text);
|
||||
|
||||
// Avoid triple linefeeds through oembed
|
||||
$Text = str_replace("<br style='clear:left'></span><br /><br />", "<br style='clear:left'></span><br />", $Text);
|
||||
|
|
|
|||
352
src/Content/OEmbed.php
Normal file
352
src/Content/OEmbed.php
Normal file
|
|
@ -0,0 +1,352 @@
|
|||
<?php
|
||||
|
||||
/*
|
||||
* To change this license header, choose License Headers in Project Properties.
|
||||
* To change this template file, choose Tools | Templates
|
||||
* and open the template in the editor.
|
||||
*/
|
||||
|
||||
namespace Friendica\Content;
|
||||
|
||||
use Friendica\Core\Cache;
|
||||
use Friendica\Core\System;
|
||||
use Friendica\ParseUrl;
|
||||
use Friendica\Core\Config;
|
||||
use Friendica\Database\DBM;
|
||||
use dba;
|
||||
use DOMDocument;
|
||||
use DOMXPath;
|
||||
use DOMNode;
|
||||
|
||||
require_once 'include/dba.php';
|
||||
require_once 'mod/proxy.php';
|
||||
|
||||
/**
|
||||
* Description of OEmbed
|
||||
*
|
||||
* @author benlo
|
||||
*/
|
||||
class OEmbed
|
||||
{
|
||||
public static function replaceCallback($matches)
|
||||
{
|
||||
$embedurl = $matches[1];
|
||||
$j = OEmbed::fetchURL($embedurl);
|
||||
$s = OEmbed::formatObject($j);
|
||||
|
||||
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 $no_rich_type If set to true rich type content won't be fetched.
|
||||
*
|
||||
* @return bool|object Returns object with embed content or false if no embedable
|
||||
* content exists
|
||||
*/
|
||||
public static function fetchURL($embedurl, $no_rich_type = false)
|
||||
{
|
||||
$embedurl = trim($embedurl, "'");
|
||||
$embedurl = trim($embedurl, '"');
|
||||
|
||||
$a = get_app();
|
||||
|
||||
$condition = array('url' => normalise_link($embedurl));
|
||||
$r = dba::select('oembed', array('content'), $condition, array('limit' => 1));
|
||||
|
||||
if (DBM::is_result($r)) {
|
||||
$txt = $r["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)) {
|
||||
$txt = "";
|
||||
|
||||
if (!in_array($ext, $noexts)) {
|
||||
// try oembed autodiscovery
|
||||
$redirects = 0;
|
||||
$html_text = fetch_url($embedurl, false, $redirects, 15, "text/*");
|
||||
if ($html_text) {
|
||||
$dom = @DOMDocument::loadHTML($html_text);
|
||||
if ($dom) {
|
||||
$xpath = new DOMXPath($dom);
|
||||
$entries = $xpath->query("//link[@type='application/json+oembed']");
|
||||
foreach ($entries as $e) {
|
||||
$href = $e->getAttributeNode("href")->nodeValue;
|
||||
$txt = fetch_url($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;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
$txt = trim($txt);
|
||||
|
||||
if ($txt[0] != "{") {
|
||||
$txt = '{"type":"error"}';
|
||||
} else { //save in cache
|
||||
$j = json_decode($txt);
|
||||
if ($j->type != "error") {
|
||||
dba::insert('oembed', array('url' => normalise_link($embedurl),
|
||||
'content' => $txt, 'created' => datetime_convert()), true);
|
||||
}
|
||||
|
||||
Cache::set($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") || ($no_rich_type && ($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 $j;
|
||||
}
|
||||
|
||||
public static function formatObject($j)
|
||||
{
|
||||
$embedurl = $j->embedurl;
|
||||
$jhtml = OEmbed::iframe($j->embedurl, (isset($j->width) ? $j->width : null), (isset($j->height) ? $j->height : null));
|
||||
$ret = "<span class='oembed " . $j->type . "'>";
|
||||
switch ($j->type) {
|
||||
case "video":
|
||||
if (isset($j->thumbnail_url)) {
|
||||
$tw = (isset($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(
|
||||
'$baseurl' => System::baseUrl(),
|
||||
'$embedurl' => $embedurl,
|
||||
'$escapedhtml' => base64_encode($jhtml),
|
||||
'$tw' => $tw,
|
||||
'$th' => $th,
|
||||
'$turl' => $j->thumbnail_url,
|
||||
));
|
||||
} else {
|
||||
$ret = $jhtml;
|
||||
}
|
||||
//$ret.="<br>";
|
||||
break;
|
||||
case "photo":
|
||||
$ret.= "<img width='" . $j->width . "' src='" . proxy_url($j->url) . "'>";
|
||||
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)) {
|
||||
$ret .= "<h4>";
|
||||
if (isset($j->title)) {
|
||||
if (isset($j->provider_name)) {
|
||||
$ret .= $j->provider_name . ": ";
|
||||
}
|
||||
|
||||
$embedlink = (isset($j->title)) ? $j->title : $embedurl;
|
||||
$ret .= "<a href='$embedurl' rel='oembed'>$embedlink</a>";
|
||||
if (isset($j->author_name)) {
|
||||
$ret.=" (" . $j->author_name . ")";
|
||||
}
|
||||
} elseif (isset($j->provider_name) || 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;
|
||||
}
|
||||
|
||||
$ret .= "<a href='$embedurl' rel='oembed'>$embedlink</a>";
|
||||
}
|
||||
//if (isset($j->author_name)) $ret.=" by ".$j->author_name;
|
||||
//if (isset($j->provider_name)) $ret.=" on ".$j->provider_name;
|
||||
$ret .= "</h4>";
|
||||
} else {
|
||||
// add <a> for html2bbcode conversion
|
||||
$ret .= "<a href='$embedurl' rel='oembed'>$embedurl</a>";
|
||||
}
|
||||
$ret.="</span>";
|
||||
$ret = str_replace("\n", "", $ret);
|
||||
return mb_convert_encoding($ret, 'HTML-ENTITIES', mb_detect_encoding($ret));
|
||||
}
|
||||
|
||||
public static function BBCode2HTML($text)
|
||||
{
|
||||
$stopoembed = Config::get("system", "no_oembed");
|
||||
if ($stopoembed == true) {
|
||||
return preg_replace("/\[embed\](.+?)\[\/embed\]/is", "<!-- oembed $1 --><i>" . t('Embedding disabled') . " : $1</i><!-- /oembed $1 -->", $text);
|
||||
}
|
||||
return preg_replace_callback("/\[embed\](.+?)\[\/embed\]/is", ['self', 'replaceCallback'], $text);
|
||||
}
|
||||
|
||||
/**
|
||||
* Find <span class='oembed'>..<a href='url' rel='oembed'>..</a></span>
|
||||
* and replace it with [embed]url[/embed]
|
||||
*/
|
||||
public static function HTML2BBCode($text)
|
||||
{
|
||||
// start parser only if 'oembed' is in text
|
||||
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) {
|
||||
return $text;
|
||||
}
|
||||
$xpath = new DOMXPath($dom);
|
||||
|
||||
$xattr = OEmbed::buildXPath("class", "oembed");
|
||||
$entries = $xpath->query("//span[$xattr]");
|
||||
|
||||
$xattr = "@rel='oembed'"; //oe_build_xpath("rel","oembed");
|
||||
foreach ($entries as $e) {
|
||||
$href = $xpath->evaluate("a[$xattr]/@href", $e)->item(0)->nodeValue;
|
||||
if (!is_null($href)) {
|
||||
$e->parentNode->replaceChild(new DOMText("[embed]" . $href . "[/embed]"), $e);
|
||||
}
|
||||
}
|
||||
return OEmbed::getInnerHTML($dom->getElementsByTagName("body")->item(0));
|
||||
} else {
|
||||
return $text;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @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 $height
|
||||
* @return string formatted HTML
|
||||
*
|
||||
* @see oembed_format_object()
|
||||
*/
|
||||
private static function iframe($src, $width, $height)
|
||||
{
|
||||
$a = get_app();
|
||||
|
||||
if (!$height || strstr($height, '%')) {
|
||||
$height = '200';
|
||||
}
|
||||
$width = '100%';
|
||||
|
||||
$s = System::baseUrl() . '/oembed/' . base64url_encode($src);
|
||||
return '<iframe onload="resizeIframe(this);" class="embed_rich" height="' . $height . '" width="' . $width . '" src="' . $s . '" allowfullscreen scrolling="no" frameborder="no">' . t('Embedded content') . '</iframe>';
|
||||
}
|
||||
|
||||
/**
|
||||
* Generates an XPath query to select elements whose provided attribute contains
|
||||
* the provided value in a space-separated list.
|
||||
*
|
||||
* @brief Generates attribute search XPath string
|
||||
*
|
||||
* @param string $attr Name of the attribute to seach
|
||||
* @param string $value Value to search in a space-separated list
|
||||
* @return string
|
||||
*/
|
||||
private static function buildXPath($attr, $value)
|
||||
{
|
||||
// https://www.westhoffswelt.de/blog/2009/6/9/select-html-elements-with-more-than-one-css-class-using-xpath
|
||||
return "contains( normalize-space( @$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'";
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the inner XML string of a provided DOMNode
|
||||
*
|
||||
* @brief Returns the inner XML string of a provided DOMNode
|
||||
*
|
||||
* @param DOMNode $node
|
||||
* @return string
|
||||
*/
|
||||
private static function getInnerHTML(DOMNode $node)
|
||||
{
|
||||
$innerHTML = '';
|
||||
$children = $node->childNodes;
|
||||
foreach ($children as $child) {
|
||||
$innerHTML .= $child->ownerDocument->saveXML($child);
|
||||
}
|
||||
return $innerHTML;
|
||||
}
|
||||
}
|
||||
53
src/Module/Oembed.php
Normal file
53
src/Module/Oembed.php
Normal file
|
|
@ -0,0 +1,53 @@
|
|||
<?php
|
||||
|
||||
namespace Friendica\Module;
|
||||
|
||||
use Friendica\BaseModule;
|
||||
use Friendica\Content;
|
||||
|
||||
/**
|
||||
* Oembed module
|
||||
*
|
||||
* Displays stored embed content based on a base64 hash of a remote URL
|
||||
*
|
||||
* Example: /oembed/aHR0cHM6Ly9...
|
||||
*
|
||||
* @author Hypolite Petovan <mrpetovan@gmail.com>
|
||||
*/
|
||||
class Oembed extends BaseModule
|
||||
{
|
||||
public static function content()
|
||||
{
|
||||
$a = self::getApp();
|
||||
|
||||
// Unused form: /oembed/b2h?url=...
|
||||
if ($a->argv[1] == 'b2h') {
|
||||
$url = array("", trim(hex2bin($_REQUEST['url'])));
|
||||
echo Content\OEmbed::replaceCallback($url);
|
||||
killme();
|
||||
}
|
||||
|
||||
// Unused form: /oembed/h2b?text=...
|
||||
if ($a->argv[1] == 'h2b') {
|
||||
$text = trim(hex2bin($_REQUEST['text']));
|
||||
echo Content\OEmbed::HTML2BBCode($text);
|
||||
killme();
|
||||
}
|
||||
|
||||
if ($a->argc == 2) {
|
||||
echo '<html><body>';
|
||||
$url = base64url_decode($a->argv[1]);
|
||||
$j = Content\OEmbed::fetchURL($url);
|
||||
|
||||
// workaround for media.ccc.de (and any other endpoint that return size 0)
|
||||
if (substr($j->html, 0, 7) == "<iframe" && strstr($j->html, 'width="0"')) {
|
||||
$j->html = '<style>html,body{margin:0;padding:0;} iframe{width:100%;height:100%;}</style>' . $j->html;
|
||||
$j->html = str_replace('width="0"', '', $j->html);
|
||||
$j->html = str_replace('height="0"', '', $j->html);
|
||||
}
|
||||
echo $j->html;
|
||||
echo '</body></html>';
|
||||
}
|
||||
killme();
|
||||
}
|
||||
}
|
||||
|
|
@ -5,7 +5,7 @@
|
|||
*/
|
||||
namespace Friendica;
|
||||
|
||||
use Friendica\Core\Config;
|
||||
use Friendica\Content\OEmbed;
|
||||
use Friendica\Object\Image;
|
||||
use Friendica\Util\XML;
|
||||
|
||||
|
|
@ -164,7 +164,7 @@ class ParseUrl
|
|||
$body = $data["body"];
|
||||
|
||||
if ($do_oembed) {
|
||||
$oembed_data = oembed_fetch_url($url);
|
||||
$oembed_data = OEmbed::fetchURL($url);
|
||||
|
||||
if (!in_array($oembed_data->type, array("error", "rich", ""))) {
|
||||
$siteinfo["type"] = $oembed_data->type;
|
||||
|
|
|
|||
|
|
@ -8,6 +8,7 @@
|
|||
*/
|
||||
namespace Friendica\Protocol;
|
||||
|
||||
use Friendica\Content\OEmbed;
|
||||
use Friendica\Core\Config;
|
||||
use Friendica\Core\System;
|
||||
use Friendica\Core\Worker;
|
||||
|
|
@ -2502,7 +2503,7 @@ class DFRN
|
|||
|
||||
$item['body'] = html2bb_video($item['body']);
|
||||
|
||||
$item['body'] = oembed_html2bbcode($item['body']);
|
||||
$item['body'] = OEmbed::HTML2BBCode($item['body']);
|
||||
|
||||
$config = \HTMLPurifier_Config::createDefault();
|
||||
$config->set('Cache.DefinitionImpl', null);
|
||||
|
|
|
|||
Loading…
Reference in a new issue