added bibliogram and nitter front ends , fixed the api for text results

README.md

@@ -30,7 +30,7 @@ Your request will be **rejected** if your instance:
 + Tracking snippets from URLs are removed
 + Image results are converted to base64 to prevent clients from connecting to Google servers
 + Supports both POST and GET requests
-+ YouTube results are converted into a privacy friendly Invidious instance
++ Popular social media sites (YouTube, Instagram, Twitter) are replaced with privacy friendly front-ends
 + Easy to use JSON API for developers
 + No 3rd party libs are used
 + Easy to setup

api.php

@@ -17,7 +17,7 @@
     {
         case 0:
             require "engines/google/text.php";
-            $results = get_text_results($query_encoded, $page);
+            $results = get_text_results($query_encoded, $page, true);
             break;
         case 1:
             require "engines/google/image.php";

config.php

@@ -10,16 +10,20 @@
 
     // Disable BitTorrent search
     $config_disable_bittorent_search = false;
-
     $config_bittorent_trackers = "&tr=http%3A%2F%2Fnyaa.tracker.wf%3A7777%2Fannounce&tr=udp%3A%2F%2Fopen.stealth.si%3A80%2Fannounce&tr=udp%3A%2F%2Ftracker.opentrackr.org%3A1337%2Fannounce&tr=udp%3A%2F%2Fexodus.desync.com%3A6969%2Fannounce&tr=udp%3A%2F%2Ftracker.torrent.eu.org%3A451%2Fannounce";
 
     /*
-        youtube.com results will be replaced with the given invidious instance
-        Get online invidious instances from here: https://docs.invidious.io/Invidious-Instances.md
+        These are privacy friendly front-ends for popular sites
 
-        Set as null if you don't want to replace YouTube results
+        Online invidious instances: https://docs.invidious.io/Invidious-Instances.md
+        Online bibliogram instances: https://git.sr.ht/~cadence/bibliogram-docs/tree/master/docs/Instances.md
+        Online nitter instances: https://github.com/zedeus/nitter/wiki/Instances
+        
+        Set as null or 0 if you don't want to replace results
     */
-    $config_replace_yt_with_invidious = "yewtu.be";
+    $config_replace_youtube_with_invidious = "https://yewtu.be";
+    $config_replace_instagram_with_bibliogram = "https://bibliogram.pussthecat.org";
+    $config_replace_twitter_with_nitter = "https://nitter.namazso.eu";
 
     /*
         To send requests trough a proxy uncomment CURLOPT_PROXY and CURLOPT_PROXYTYPE:
@@ -46,7 +50,7 @@
         CURLOPT_FOLLOWLOCATION => false,
         CURLOPT_ENCODING       => "",
         CURLOPT_USERAGENT      => $config_user_agent,
-        CURLOPT_SSL_VERIFYHOST => 0,
+        CURLOPT_SSL_VERIFYHOST => false,
         CURLOPT_VERBOSE        => 1
     );
 ?>

engines/google/text.php

@@ -18,7 +18,7 @@
         return 0;
      }
 
-    function get_text_results($query, $page=0) 
+    function get_text_results($query, $page=0, $api=false) 
     {
         require "config.php";
         require "misc/tools.php";
@@ -37,7 +37,7 @@
         $special_search = $page == 0 ? check_for_special_search($query) : 0;
         $special_ch = null;
         $url = null;
-        if ($special_search != 0)
+        if ($special_search != 0 && $api == false)
         {
             switch ($special_search)
             {
@@ -97,8 +97,7 @@
                     continue;
 
             $url = $url->textContent;
-            if ($config_replace_yt_with_invidious != null && strpos($url, "youtube.com"))
-                $url = "https://" . $config_replace_yt_with_invidious . explode("youtube.com", $url)[1];
+            $url = check_for_privacy_friendly_alternative($url);
             
             $title = $xpath->evaluate(".//h3", $result)[0];
             $description = $xpath->evaluate(".//div[contains(@class, 'VwiC3b')]", $result)[0];

engines/google/video.php

@@ -22,8 +22,7 @@
                     continue;
 
             $url = $url->textContent;
-            if ($config_replace_yt_with_invidious != null && strpos($url, "youtube.com"))
-                $url = "https://" . $config_replace_yt_with_invidious . explode("youtube.com", $url)[1];
+            $url = check_for_privacy_friendly_alternative($url);
             
             $title = $xpath->evaluate(".//h3", $result)[0];
             

misc/tools.php

@@ -6,6 +6,25 @@
         return $base_url;
     }
 
+    function check_for_privacy_friendly_alternative($url)
+    {
+        require "config.php";
+
+        if ($config_replace_youtube_with_invidious != null && strpos($url, "youtube.com"))
+            $url = $config_replace_youtube_with_invidious . explode("youtube.com", $url)[1];
+        else if ($config_replace_instagram_with_bibliogram != null && strpos($url, "instagram.com"))
+        {
+            if (!strpos($url, "/p/"))
+                $config_replace_instagram_with_bibliogram .= "/u";
+
+            $url = $config_replace_instagram_with_bibliogram . explode("instagram.com", $url)[1];
+        }
+        else if ($config_replace_twitter_with_nitter != null && strpos($url, "twitter.com"))
+            $url = $config_replace_twitter_with_nitter . explode("twitter.com", $url)[1];
+
+        return $url;
+    }
+
     function get_xpath($response)
     {
         $htmlDom = new DOMDocument;