From 74e39ac1ad1ec292557816bd9c517ad671594bc4 Mon Sep 17 00:00:00 2001
From: Tufayel Ahmed <39314838+TufayelLUS@users.noreply.github.com>
Date: Fri, 2 Oct 2020 14:44:18 +0600
Subject: [PATCH] Watermarked videos will download locally to serve

Enabled local download feature is back again with jQuery ajax request service. Currently in the testing phase for performance checkup.
---
 index.php | 34 ++++++++++++++++++++++++++++++----
 1 file changed, 30 insertions(+), 4 deletions(-)

diff --git a/index.php b/index.php
index c4808aa..ad8917a 100644
--- a/index.php
+++ b/index.php
@@ -1,6 +1,6 @@
 <?php
 
-$store_locally = false; /* change to false if you don't want to host videos locally */ 
+$store_locally = true; /* change to false if you don't want to host videos locally */ 
 
 function generateRandomString($length = 10) {
     $characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
@@ -14,7 +14,7 @@ function generateRandomString($length = 10) {
 
 function downloadVideo($video_url, $geturl = false)
 {
-	$ch = curl_init();
+    $ch = curl_init();
     $options = array(
         CURLOPT_URL            => $video_url,
         CURLOPT_RETURNTRANSFER => true,
@@ -48,6 +48,20 @@ function downloadVideo($video_url, $geturl = false)
     return $filename;
 }
 
+if (isset($_GET['url']) && !empty($_GET['url'])) {
+    if ($_SERVER['HTTP_REFERER'] != "") {
+        $url = $_GET['url'];
+        $name = downloadVideo($url);
+        echo $name;
+        exit();
+    }
+    else
+    {
+        echo "";
+        exit();
+    }
+}
+
 function getContent($url, $geturl = false)
   {
     $ch = curl_init();
@@ -190,7 +204,19 @@ function getContent($url, $geturl = false)
 					mkdir("user_videos");
 				}
 				if ($store_locally){
-					$filename = downloadVideo($contentURL);
+					?>
+                    <script type="text/javascript">
+                        $(document).ready(function(){
+                            $('#wmarked_link').text("Please wait ...");
+                            $.get('./<?php echo basename($_SERVER['PHP_SELF']); ?>?url=<?php echo urlencode($contentURL); ?>').done(function(data)
+                                {
+                                    $('#wmarked_link').removeAttr('disabled');
+                                    $('#wmarked_link').attr('onclick', 'window.location.href="' + data + '"');
+                                    $('#wmarked_link').text("Download Video");
+                                });
+                        });
+                    </script>
+                    <?php
 				}
 		?>
 		<script>
@@ -207,7 +233,7 @@ function getContent($url, $geturl = false)
 			<div class="col-sm-6 col-md-6 col-lg-6 text-center mt-5"><ul style="list-style: none;padding: 0px">
 				<li>a video by <b>@<?php echo $username; ?></b></li>
 				<li>uploaded on <b><?php echo $create_time; ?></b></li>
-				<li><button disabled="disabled" class="btn btn-primary mt-3" onclick="window.location.href='<?php if ($store_locally){ echo $filename;} else { echo $contentURL; } ?>'">Download Video</button> <button class="btn btn-info mt-3" onclick="window.location.href='<?php echo $cleanVideo; ?>'">Download Watermark Free!</button></li>
+				<li><button id="wmarked_link" disabled="disabled" class="btn btn-primary mt-3" onclick="window.location.href='<?php if ($store_locally){ echo $filename;} else { echo $contentURL; } ?>'">Download Video</button> <button class="btn btn-info mt-3" onclick="window.location.href='<?php echo $cleanVideo; ?>'">Download Watermark Free!</button></li>
 				<li><div class="alert alert-primary mb-0 mt-3">If the video opens directly, try saving it by pressing CTRL+S or on phone, save from three dots in the bottom left corner</div></li>
 			</ul></div>
 		</div>