feat: support for md5 videoplayback url shortening

md5(url) can be supplied as md5 param to shorten videoplayback url

views.py

@@ -1,8 +1,8 @@
 #!/usr/bin/python3
-from flask import render_template, request, Response
+from flask import redirect, render_template, request, Response
 from flask_sqlalchemy import SQLAlchemy
 from markupsafe import escape
-import json, re, requests
+import hashlib, json, re, requests
 import ythdd_globals
 
 def homepage():
@@ -93,6 +93,15 @@ def videoplaybackProxy():
 		proxy_headers["Range"] = headers["Range"]
 
 	params = dict(request.args)
+	# support md5 videoplayback url shortening
+	if "md5" in params:
+		if params["md5"] not in ythdd_globals.general_cache["hashed_videoplayback"]:
+			return Response(json.dumps({"error": "Videoplayback request not cached or expired."}), mimetype="application/json", status=404)
+		return redirect(ythdd_globals.general_cache["hashed_videoplayback"][params["md5"]]["original_url"])
+	else:
+		md5sum = hashlib.md5(request.url.encode("utf-8")).hexdigest()
+		ythdd_globals.general_cache["hashed_videoplayback"][md5sum] = {"original_url": request.url}
+
 
 	# reconstruct the url
 	# first attempt: from host param

ythdd_globals.py

@@ -23,7 +23,7 @@ version = "0.0.1"
 apiVersion = "1"
 randomly_generated_passcode = 0
 video_cache = {}
-general_cache = {"search": [], "continuations": {"channels": {}, "comments": {}}, "channels": {}, "playlists": {}}
+general_cache = {"search": [], "continuations": {"channels": {}, "comments": {}}, "channels": {}, "playlists": {}, "hashed_videoplayback": {}}
 
 def getConfig(configfile):