From: Hypolite Petovan <mrpetovan@gmail.com>
Date: Mon, 1 Jan 2018 01:58:32 +0000 (-0500)
Subject: Remove include/oembed and mod/oembed
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=eb1b6605b7d94e985786f93e910d6dce2dd9bad1;p=friendica.git

Remove include/oembed and mod/oembed
---

diff --git a/include/bb2diaspora.php b/include/bb2diaspora.php
index e1a67d432d..714d780048 100644
--- a/include/bb2diaspora.php
+++ b/include/bb2diaspora.php
@@ -7,7 +7,6 @@ use Friendica\Network\Probe;
 
 use League\HTMLToMarkdown\HtmlConverter;
 
-require_once 'include/oembed.php';
 require_once 'include/event.php';
 require_once 'library/markdown.php';
 require_once 'include/html2bbcode.php';
diff --git a/include/bbcode.php b/include/bbcode.php
index e672001937..30d0165770 100644
--- a/include/bbcode.php
+++ b/include/bbcode.php
@@ -9,7 +9,6 @@ use Friendica\Core\Config;
 use Friendica\Model\Contact;
 use Friendica\Util\Map;
 
-require_once 'include/oembed.php';
 require_once 'include/event.php';
 require_once 'mod/proxy.php';
 require_once 'include/plaintext.php';
diff --git a/include/items.php b/include/items.php
index a3f3c823b7..4d495d3515 100644
--- a/include/items.php
+++ b/include/items.php
@@ -20,7 +20,6 @@ use Friendica\Protocol\OStatus;
 use Friendica\Protocol\Feed;
 
 require_once 'include/bbcode.php';
-require_once 'include/oembed.php';
 require_once 'include/tags.php';
 require_once 'include/files.php';
 require_once 'include/text.php';
diff --git a/include/oembed.php b/include/oembed.php
deleted file mode 100644
index b7c1616fee..0000000000
--- a/include/oembed.php
+++ /dev/null
@@ -1,317 +0,0 @@
-<?php
-
-/**
- * @file include/oembed.php
- */
-
-use Friendica\App;
-use Friendica\Core\Cache;
-use Friendica\Core\System;
-use Friendica\ParseUrl;
-use Friendica\Core\Config;
-use Friendica\Database\DBM;
-
-function oembed_replacecb($matches){
-	$embedurl=$matches[1];
-	$j = oembed_fetch_url($embedurl);
-	$s =  oembed_format_object($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 $no_rich_type If set to true rich type content won't be fetched.
- *
- * @return bool|object Returns object with embed content or false if no embedable
- *	 content exists
- */
-function oembed_fetch_url($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);
-					$attr = "oembed";
-					$xattr = oe_build_xpath("class","oembed");
-					$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 $j;
-}
-
-function oembed_format_object($j){
-	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) );
-	$ret="<span class='oembed ".$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));
-}
-
-/**
- * @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) {
-	$a = get_app();
-
-	if (!$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="' . $s . '" allowfullscreen scrolling="no" frameborder="no">' . t('Embedded content') . '</iframe>';
-}
-
-
-
-function oembed_bbcode2html($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", 'oembed_replacecb' ,$text);
-}
-
-
-function oe_build_xpath($attr, $value){
-	// http://westhoffswelt.de/blog/0036_xpath_to_select_html_by_class.html
-	return "contains( normalize-space( @$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 $innerHTML;
-}
-
-/**
- * Find <span class='oembed'>..<a href='url' rel='oembed'>..</a></span>
- * and replace it with [embed]url[/embed]
- */
-function oembed_html2bbcode($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);
-		$attr = "oembed";
-
-		$xattr = oe_build_xpath("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 oe_get_inner_html( $dom->getElementsByTagName("body")->item(0) );
-	} else {
-		return $text;
-	}
-}
diff --git a/mod/oembed.php b/mod/oembed.php
deleted file mode 100644
index 3266ad963e..0000000000
--- a/mod/oembed.php
+++ /dev/null
@@ -1,38 +0,0 @@
-<?php
-
-use Friendica\App;
-
-require_once("include/oembed.php");
-
-function oembed_content(App $a) {
-	// logger('mod_oembed ' . $a->query_string, LOGGER_ALL);
-
-	if ($a->argv[1]=='b2h'){
-		$url = array( "", trim(hex2bin($_REQUEST['url'])));
-		echo oembed_replacecb($url);
-		killme();
-	}
-
-	if ($a->argv[1]=='h2b'){
-		$text = trim(hex2bin($_REQUEST['text']));
-		echo oembed_html2bbcode($text);
-		killme();
-	}
-
-	if ($a->argc == 2){
-		echo "<html><body>";
-		$url = base64url_decode($a->argv[1]);
-		$j = oembed_fetch_url($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;
-//		logger('mod-oembed ' . $j->html, LOGGER_ALL);
-		echo "</body></html>";
-	}
-	killme();
-}
diff --git a/src/ParseUrl.php b/src/ParseUrl.php
index 6252e0b68a..0c67589ddf 100644
--- a/src/ParseUrl.php
+++ b/src/ParseUrl.php
@@ -15,7 +15,6 @@ use DOMDocument;
 
 require_once 'include/dba.php';
 require_once "include/network.php";
-require_once "include/oembed.php";
 
 /**
  * @brief Class with methods for extracting certain content from an url
diff --git a/src/Protocol/DFRN.php b/src/Protocol/DFRN.php
index 1ec0c792e0..752921424c 100644
--- a/src/Protocol/DFRN.php
+++ b/src/Protocol/DFRN.php
@@ -34,7 +34,6 @@ require_once "include/tags.php";
 require_once "include/files.php";
 require_once "include/event.php";
 require_once "include/text.php";
-require_once "include/oembed.php";
 require_once "include/html2bbcode.php";
 require_once "include/bbcode.php";