better handling of remote urls - especially FB opengraph

[friendica.git] / include / bbcode.php

diff --git a/include/bbcode.php b/include/bbcode.php
index b33be686e44cc2e7fa5ecc43a8c648aec33097e6..4d6eafafa5f28acccef5f7285c28e7d0211aefba 100644 (file)
--- a/include/bbcode.php
+++ b/include/bbcode.php
@@ -9,6 +9,21 @@ function stripcode_br_cb($s) {
        return '[code]' . str_replace('<br />', '', $s[1]) . '[/code]';
 }
 
+function tryoembed($match){
+       $url = ((count($match)==2)?$match[1]:$match[2]);
+       
+       $o = oembed_fetch_url($url);
+
+       //echo "<pre>"; var_dump($match, $url, $o); killme();
+
+       if ($o->type=="error") return $match[0];
+       
+       $html = oembed_format_object($o);
+       return $html; //oembed_iframe($html,$o->width,$o->height);
+       
+}
+
+
 
        // BBcode 2 HTML was written by WAY2WEB.net
        // extended to work with Mistpark/Friendika - Mike Macgirvin
@@ -40,11 +55,15 @@ function bbcode($Text,$preserve_nl = false) {
        // Set up the parameters for a MAIL search string
        $MAILSearchString = $URLSearchString;
 
-       // Perform URL Search
 
+       // Perform URL Search
 
        $Text = preg_replace("/([^\]\=]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1<a href="$2" target="external-link">$2</a>', $Text);
+       
+       $Text = preg_replace_callback("/\[bookmark\=([^\]]*)\].*?\[\/bookmark\]/ism",'tryoembed',$Text);
+       $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'[url=$1]$2[/url]',$Text);
 
+       $Text = preg_replace_callback("/\[url\]([$URLSearchString]*)\[\/url\]/ism",'tryoembed',$Text);
        $Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="external-link">$1</a>', $Text);
        $Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '<a href="$1" target="external-link">$2</a>', $Text);
        //$Text = preg_replace("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
@@ -120,6 +139,13 @@ function bbcode($Text,$preserve_nl = false) {
        // [img]pathtoimage[/img]
        $Text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
 
+
+
+       // Try to Oembed
+       $Text = preg_replace_callback("/\[video\](.*?)\[\/video\]/ism", 'tryoembed', $Text);
+       $Text = preg_replace_callback("/\[audio\](.*?)\[\/audio\]/ism", 'tryoembed', $Text);
+
+
        // html5 video and audio
 
        $Text = preg_replace("/\[video\](.*?)\[\/video\]/ism", '<video src="$1" controls="controls" width="425" height="350"><a href="$1">$1</a></video>', $Text);
@@ -129,17 +155,25 @@ function bbcode($Text,$preserve_nl = false) {
        $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="425" height="350"><a href="$1">$1</a></iframe>', $Text);
          
 
-       if (get_pconfig(local_user(), 'oembed', 'use_for_youtube' )==1){
+       /*if (get_pconfig(local_user(), 'oembed', 'use_for_youtube' )==1){
                // use oembed for youtube links
                $Text = preg_replace("/\[youtube\]/",'[embed]',$Text); 
                $Text = preg_replace("/\[\/youtube\]/",'[/embed]',$Text); 
-       } else {
+       } else {*/
                // Youtube extensions
+        $Text = preg_replace_callback("/\[youtube\](https?:\/\/www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);        
+        $Text = preg_replace_callback("/\[youtube\](https?:\/\/youtu.be\/.*?)\[\/youtube\]/ism",'tryoembed',$Text); 
+        
         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text); 
         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text); 
         $Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text); 
+               
+        
                $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism", '<iframe width="425" height="350" src="http://www.youtube.com/embed/$1" frameborder="0" ></iframe>', $Text);
-       }
+       //}
+
+       $Text = preg_replace_callback("/\[vimeo\](https?:\/\/player.vimeo.com\/video\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text); 
+       $Text = preg_replace_callback("/\[vimeo\](https?:\/\/vimeo.com\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text); 
 
        $Text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text); 
        $Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);