# Contains functions having to do with posting/editing/deleting comments from youtube import util, proto, comments, accounts from youtube import yt_app import settings import urllib import json import re import traceback import os import flask from flask import request def _post_comment(text, video_id, session_token, cookiejar): headers = { 'User-Agent': 'Mozilla/5.0 (iPhone; CPU iPhone OS 10_3_1 like Mac OS X) AppleWebKit/603.1.30 (KHTML, like Gecko) Version/10.0 Mobile/14E304 Safari/602.1', 'Accept': '*/*', 'Accept-Language': 'en-US,en;q=0.5', 'X-YouTube-Client-Name': '2', 'X-YouTube-Client-Version': '2.20180823', 'Content-Type': 'application/x-www-form-urlencoded', } comment_params = proto.string(2, video_id) + proto.nested(5, proto.uint(1, 0)) + proto.uint(10, 1) comment_params = proto.percent_b64encode(comment_params).decode('ascii') sej = json.dumps({"clickTrackingParams":"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=", "commandMetadata":{"webCommandMetadata":{"url":"/service_ajax","sendPost":True}},"createCommentEndpoint":{"createCommentParams": comment_params}}) data_dict = { 'comment_text': text, 'sej': sej, 'session_token': session_token, } data = urllib.parse.urlencode(data_dict).encode() content = util.fetch_url("https://m.youtube.com/service_ajax?name=createCommentEndpoint", headers=headers, data=data, cookiejar_send=cookiejar) code = json.loads(content)['code'] print("Comment posting code: " + code) return code '''with open('debug/post_comment_response', 'wb') as f: f.write(content)''' def _post_comment_reply(text, video_id, parent_comment_id, session_token, cookiejar): headers = { 'User-Agent': 'Mozilla/5.0 (iPhone; CPU iPhone OS 10_3_1 like Mac OS X) AppleWebKit/603.1.30 (KHTML, like Gecko) Version/10.0 Mobile/14E304 Safari/602.1', 'Accept': '*/*', 'Accept-Language': 'en-US,en;q=0.5', 'X-YouTube-Client-Name': '2', 'X-YouTube-Client-Version': '2.20180823', 'Content-Type': 'application/x-www-form-urlencoded', } comment_params = proto.string(2, video_id) + proto.string(4, parent_comment_id) + proto.nested(5, proto.uint(1, 0)) + proto.uint(6,0) + proto.uint(10, 1) comment_params = proto.percent_b64encode(comment_params).decode('ascii') sej = json.dumps({"clickTrackingParams":"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=", "commandMetadata":{"webCommandMetadata":{"url":"/service_ajax","sendPost":True}},"createCommentReplyEndpoint":{"createReplyParams": comment_params}}) data_dict = { 'comment_text': text, 'sej': sej, 'session_token': session_token, } data = urllib.parse.urlencode(data_dict).encode() content = util.fetch_url("https://m.youtube.com/service_ajax?name=createCommentReplyEndpoint", headers=headers, data=data, cookiejar_send=cookiejar) code = json.loads(content)['code'] print("Comment posting code: " + code) return code '''with open('debug/post_comment_response', 'wb') as f: f.write(content)''' def _delete_comment(video_id, comment_id, author_id, session_token, cookiejar): headers = { 'User-Agent': 'Mozilla/5.0 (iPhone; CPU iPhone OS 10_3_1 like Mac OS X) AppleWebKit/603.1.30 (KHTML, like Gecko) Version/10.0 Mobile/14E304 Safari/602.1', 'Accept': '*/*', 'Accept-Language': 'en-US,en;q=0.5', 'X-YouTube-Client-Name': '2', 'X-YouTube-Client-Version': '2.20180823', 'Content-Type': 'application/x-www-form-urlencoded', } action = proto.uint(1,6) + proto.string(3, comment_id) + proto.string(5, video_id) + proto.string(9, author_id) action = proto.percent_b64encode(action).decode('ascii') sej = json.dumps({"clickTrackingParams":"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=","commandMetadata":{"webCommandMetadata":{"url":"/service_ajax","sendPost":True}},"performCommentActionEndpoint":{"action":action}}) data_dict = { 'sej': sej, 'session_token': session_token, } data = urllib.parse.urlencode(data_dict).encode() content = util.fetch_url("https://m.youtube.com/service_ajax?name=performCommentActionEndpoint", headers=headers, data=data, cookiejar_send=cookiejar) code = json.loads(content)['code'] print("Comment deletion code: " + code) return code xsrf_token_regex = re.compile(r'''XSRF_TOKEN"\s*:\s*"([\w-]*(?:=|%3D){0,2})"''') def get_session_token(video_id, cookiejar): ''' Get session token for a video. This is required in order to post/edit/delete comments. This will modify cookiejar with cookies from youtube required for commenting''' # youtube-dl uses disable_polymer=1 which uses a different request format which has an obfuscated javascript algorithm to generate a parameter called "bgr" # Tokens retrieved from disable_polymer pages only work with that format. Tokens retrieved on mobile only work using mobile requests # Additionally, tokens retrieved without sending the same cookie won't work. So this is necessary even if the bgr and stuff was reverse engineered. headers = {'User-Agent': util.mobile_user_agent} mobile_page = util.fetch_url('https://m.youtube.com/watch?v=' + video_id, headers, report_text="Retrieved session token for comment", cookiejar_send=cookiejar, cookiejar_receive=cookiejar).decode() match = xsrf_token_regex.search(mobile_page) if match: return match.group(1).replace("%3D", "=") else: raise Exception("Couldn't find xsrf_token") @yt_app.route('/delete_comment', methods=['POST']) def delete_comment(): video_id = request.values['video_id'] cookiejar = accounts.account_cookiejar(request.values['channel_id']) token = get_session_token(video_id, cookiejar) code = _delete_comment(video_id, request.values['comment_id'], request.values['author_id'], token, cookiejar) if code == "SUCCESS": return flask.redirect(util.URL_ORIGIN + '/comment_delete_success', 303) else: return flask.redirect(util.URL_ORIGIN + '/comment_delete_fail', 303) @yt_app.route('/comment_delete_success') def comment_delete_success(): return 'Successfully deleted comment' @yt_app.route('/comment_delete_fail') def comment_delete_fail(): return 'Failed to delete comment' @yt_app.route('/post_comment', methods=['POST']) @yt_app.route('/comments', methods=['POST']) def post_comment(): video_id = request.values['video_id'] channel_id = request.values['channel_id'] cookiejar = accounts.account_cookiejar(channel_id) token = get_session_token(video_id, cookiejar) if 'parent_id' in request.values: code = _post_comment_reply(request.values['comment_text'], request.values['video_id'], request.values['parent_id'], token, cookiejar) return flask.redirect(util.URL_ORIGIN + '/comments?' + request.query_string.decode('utf-8'), 303) else: code = _post_comment(request.values['comment_text'], request.values['video_id'], token, cookiejar) return flask.redirect(util.URL_ORIGIN + '/comments?ctoken=' + comments.make_comment_ctoken(video_id, sort=1), 303) @yt_app.route('/delete_comment', methods=['GET']) def get_delete_comment_page(): parameters = [(parameter_name, request.args[parameter_name]) for parameter_name in ('video_id', 'channel_id', 'author_id', 'comment_id')] return flask.render_template('delete_comment.html', parameters = parameters) @yt_app.route('/post_comment', methods=['GET']) def get_post_comment_page(): video_id = request.args['video_id'] parent_id = request.args.get('parent_id', '') if parent_id: # comment reply form_action = util.URL_ORIGIN + '/comments?parent_id=' + parent_id + "&video_id=" + video_id replying = True else: form_action = '' replying = False comment_posting_box_info = { 'form_action': form_action, 'video_id': video_id, 'accounts': accounts.account_list_data(), 'include_video_id_input': not replying, 'replying': replying, } return flask.render_template('post_comment.html', comment_posting_box_info = comment_posting_box_info, replying = replying, )