From: Christian Weiske <cweiske@cweiske.de>
Date: Mon, 23 Nov 2015 16:23:52 +0000 (+0100)
Subject: first version
X-Git-Tag: v0.1.0~2
X-Git-Url: https://git.cweiske.de/playVideoOnDreamboxProxy.git/commitdiff_plain/581440900eff261621ea4a55cfdd9aa3c6b46c36

first version
---

581440900eff261621ea4a55cfdd9aa3c6b46c36
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..d041e45
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/data/config.php
diff --git a/README.rst b/README.rst
new file mode 100644
index 0000000..045fea4
--- /dev/null
+++ b/README.rst
@@ -0,0 +1,22 @@
+***********************************
+Play video on Dreambox proxy server
+***********************************
+Server for the "Play video on Dreambox" android app.
+
+Accepts an URL, runs ``youtube-dl`` on it to extract the video
+URL and lets the Dreambox satellite receiver play this file.
+
+
+=====
+Usage
+=====
+Send the web site URL via POST to ``play.php``::
+
+    $ curl -XPOST --data http://example.org/page.htm\
+          -H 'Content-type: text/plain'\
+          http://proxy.example.org/play.php
+
+=======
+License
+=======
+This application is available under the AGPLv3 or later.
diff --git a/data/config.php.dist b/data/config.php.dist
new file mode 100644
index 0000000..d6f175a
--- /dev/null
+++ b/data/config.php.dist
@@ -0,0 +1,6 @@
+<?php
+//configuration for "play video on dreambox" proxy server
+// copy it to config.php and adjust it.
+$youtubedlPath = '/usr/bin/youtube-dl';
+$dreamboxHost  = 'dreambox';
+?>
diff --git a/www/play.php b/www/play.php
new file mode 100644
index 0000000..3531035
--- /dev/null
+++ b/www/play.php
@@ -0,0 +1,101 @@
+<?php
+$youtubedlPath = '/usr/bin/youtube-dl';
+$dreamboxHost  = 'dreambox';
+
+$cfgFile = __DIR__ . '/../data/config.php';
+if (file_exists($cfgFile)) {
+    include $cfgFile;
+}
+
+$pageUrl  = getPageUrl();
+$videoUrl = extractVideoUrl($pageUrl, $youtubedlPath);
+header('Video-URL: ' . $videoUrl);
+playVideoOnDreambox($videoUrl, $dreamboxHost);
+
+function getPageUrl()
+{
+    if (!isset($_SERVER['CONTENT_TYPE'])) {
+        errorInput('Content type header missing');
+    } else if ($_SERVER['CONTENT_TYPE'] != 'text/plain') {
+        errorInput('Content type is not text/plain but ' . $_SERVER['CONTENT_TYPE']);
+    }
+    $pageUrl = file_get_contents('php://input');
+    $parts = parse_url($pageUrl);
+    if ($parts === false) {
+        errorInput('Invalid URL in POST data');
+    } else if (!isset($parts['scheme'])) {
+        errorInput('Invalid URL in POST data: No scheme');
+    } else if ($parts['scheme'] !== 'http' && $parts['scheme'] !== 'https') {
+        errorInput('Invalid URL in POST data: Non-HTTP scheme');
+    }
+    return $pageUrl;
+}
+
+function extractVideoUrl($pageUrl, $youtubedlPath)
+{
+    $cmd = $youtubedlPath
+        . ' --quiet'
+        . ' --get-url'
+        . ' ' . escapeshellarg($pageUrl)
+        . ' 2>&1';
+
+    $lastLine = exec($cmd, $output, $exitCode);
+    if ($exitCode !== 0) {
+        errorOut('youtube-dl error: ' . $lastLine);
+    }
+    return $lastLine;
+}
+
+function playVideoOnDreambox($videoUrl, $dreamboxHost)
+{
+    ini_set('track_errors', 1);
+    $xml = file_get_contents('http://' . $dreamboxHost . '/web/session');
+    if ($xml === false) {
+        errorOut('Failed to fetch dreambox session token: ' . $php_errormsg);
+    }
+    $sx = simplexml_load_string($xml);
+    $token = (string) $sx;
+
+    $playUrl = 'http://' . $dreamboxHost
+        . '/web/mediaplayerplay'
+        . '?file=4097:0:1:0:0:0:0:0:0:0:'
+        . str_replace('%3A', '%253A', rawurlencode($videoUrl));
+
+    $ctx = stream_context_create(
+        array(
+            'http' => array(
+                'method'  => 'POST',
+                'header'  => 'Content-type: application/x-www-form-urlencoded',
+                'content' => 'sessionid=' . $token,
+                //'ignore_errors' => true
+            )
+        )
+    );
+    $ret = file_get_contents($playUrl, false, $ctx);
+    if ($ret !== false) {
+        header('HTTP/1.0 200 OK');
+        echo "Video play request sent to dreambox\n";
+        exit(0);
+    } else {
+        errorOut(
+            'Failed to send video play request to dreambox: ' . $php_errormsg
+        );
+    }
+}
+
+function errorInput($msg)
+{
+    header('HTTP/1.0 400 Bad Request');
+    header('Content-type: text/plain');
+    echo $msg . "\n";
+    exit(1);
+}
+
+function errorOut($msg)
+{
+    header('HTTP/1.0 500 Internal Server Error');
+    header('Content-type: text/plain');
+    echo $msg . "\n";
+    exit(2);
+}
+?>
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