Add JSON info page

class/Downloader.php

@@ -90,6 +90,18 @@ class Downloader
 
 	}
 
+	public function info()
+	{
+		$info = $this->do_info();
+
+		if(isset($this->errors) && count($this->errors) > 0)
+		{
+			$_SESSION['errors'] = $this->errors;
+		}
+
+		return $info;
+	}
+
 	public static function background_jobs()
 	{
 		return shell_exec("ps aux | grep -v grep | grep -v \"youtube-dl -U\" | grep youtube-dl | wc -l");
@@ -149,7 +161,7 @@ class Downloader
 		}
 	}
 
-	private function check_requirements($audio_only)
+	private function check_requirements($audio_only=False)
 	{
 		if($this->is_youtubedl_installed() != 0)
 		{
@@ -187,6 +199,12 @@ class Downloader
 		return $r;
 	}
 
+        private function is_python_installed()
+        {
+                exec("which python", $out, $r);
+                return $r;
+        }
+
 	private function is_valid_url($url)
 	{
 		return filter_var($url, FILTER_VALIDATE_URL);
@@ -268,6 +286,24 @@ class Downloader
 
 		shell_exec($cmd);
 	}
+
+	private function do_info()
+	{
+		$cmd = "youtube-dl -J ";
+
+		foreach($this->urls as $url)
+		{
+			$cmd .= " ".escapeshellarg($url);
+		}
+
+		if ($this->is_python_installed() == 0)
+		{
+			$cmd .= " | python -m json.tool";
+		}
+
+		return shell_exec($cmd);
+
+	}
 }
 
 ?>

info.php

@@ -0,0 +1,80 @@
+<?php
+	require_once 'class/Session.php';
+	require_once 'class/Downloader.php';
+	require_once 'class/FileHandler.php';
+
+	$session = Session::getInstance();
+	$file = new FileHandler;
+
+	require 'views/header.php';
+
+	if(!$session->is_logged_in())
+	{
+		header("Location: login.php");
+	}
+	else
+	{
+		if(isset($_GET['kill']) && !empty($_GET['kill']) && $_GET['kill'] === "all")
+		{
+			Downloader::kill_them_all();
+		}
+
+		$json = False;
+
+		if(isset($_POST['urls']) && !empty($_POST['urls']))
+		{
+			$downloader = new Downloader($_POST['urls']);
+			$json = $downloader->info();
+		}
+	}
+?>
+		<div class="container">
+			<h1>JSON Info</h1>
+			<?php
+
+				if(isset($_SESSION['errors']) && $_SESSION['errors'] > 0)
+				{
+					foreach ($_SESSION['errors'] as $e)
+					{
+						echo "<div class=\"alert alert-warning\" role=\"alert\">$e</div>";
+					}
+				}
+
+			?>
+			<form id="info-form" action="info.php" method="post">
+				<div class="form-group">
+					<div class="input-group">
+						<span class="input-group-addon" id="urls-addon">URLs:</span>
+						<input class="form-control" id="url" name="urls" placeholder="Link(s) separated by a comma" type="text" aria-describedby="urls-addon" required/>
+					</div>
+				</div>
+				<div class="row">
+					<div class="col-md-2">
+						<button type="submit" class="btn btn-primary">Query</button>
+					</div>
+					<div class="col-md-10">
+					</div>
+				</div>
+
+			</form>
+			<br>
+			<div class="row">
+			<?php
+				if ($json)
+				{
+				?>
+				<div class="panel panel-info">
+					<div class="panel-heading"><h3 class="panel-title">Info</h3></div>
+					<div class="panel-body">
+						<textarea rows="50" class="form-control"><?php echo $json ?></textarea>
+					</div>
+				</div>
+				<?php
+				}
+			?>
+			</div>
+		</div>
+<?php
+	unset($_SESSION['errors']);
+	require 'views/footer.php';
+?>

views/header.php

@@ -24,6 +24,7 @@
 						if($session->is_logged_in() && isset($file))
 					{
 						echo '					<li><a href="./">Download</a></li>';
+                                                echo '                                  <li><a href="./info.php">JSON Info</a></li>';
 						// List of files
 						$filesCount = count($file->listFiles());
 						if ($filesCount < 1) {