beb0976b5b
author_id (an internal sql-like integer previously required for deleting and editing comments) has been removed by Youtube and is no longer required. Remove it for simplicity. Rename author_channel_id to author_id for consistency with other extraction attributes. extract_items returned None for items instead of [] for empty continuation responses. Fixes that.
182 lines
8.0 KiB
Python
182 lines
8.0 KiB
Python
# Contains functions having to do with posting/editing/deleting comments
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from youtube import util, proto, comments, accounts
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from youtube import yt_app
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import settings
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import urllib
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import json
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import re
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import traceback
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import os
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import flask
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from flask import request
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def _post_comment(text, video_id, session_token, cookiejar):
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headers = {
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'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',
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'Accept': '*/*',
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'Accept-Language': 'en-US,en;q=0.5',
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'X-YouTube-Client-Name': '2',
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'X-YouTube-Client-Version': '2.20180823',
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'Content-Type': 'application/x-www-form-urlencoded',
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}
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comment_params = proto.string(2, video_id) + proto.nested(5, proto.uint(1, 0)) + proto.uint(10, 1)
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comment_params = proto.percent_b64encode(comment_params).decode('ascii')
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sej = json.dumps({"clickTrackingParams":"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=", "commandMetadata":{"webCommandMetadata":{"url":"/service_ajax","sendPost":True}},"createCommentEndpoint":{"createCommentParams": comment_params}})
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data_dict = {
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'comment_text': text,
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'sej': sej,
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'session_token': session_token,
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}
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data = urllib.parse.urlencode(data_dict).encode()
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content = util.fetch_url("https://m.youtube.com/service_ajax?name=createCommentEndpoint", headers=headers, data=data, cookiejar_send=cookiejar, debug_name='post_comment')
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code = json.loads(content)['code']
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print("Comment posting code: " + code)
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return code
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def _post_comment_reply(text, video_id, parent_comment_id, session_token, cookiejar):
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headers = {
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'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',
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'Accept': '*/*',
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'Accept-Language': 'en-US,en;q=0.5',
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'X-YouTube-Client-Name': '2',
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'X-YouTube-Client-Version': '2.20180823',
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'Content-Type': 'application/x-www-form-urlencoded',
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}
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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)
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comment_params = proto.percent_b64encode(comment_params).decode('ascii')
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sej = json.dumps({"clickTrackingParams":"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=", "commandMetadata":{"webCommandMetadata":{"url":"/service_ajax","sendPost":True}},"createCommentReplyEndpoint":{"createReplyParams": comment_params}})
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data_dict = {
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'comment_text': text,
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'sej': sej,
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'session_token': session_token,
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}
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data = urllib.parse.urlencode(data_dict).encode()
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content = util.fetch_url("https://m.youtube.com/service_ajax?name=createCommentReplyEndpoint", headers=headers, data=data, cookiejar_send=cookiejar, debug_name='post_reply')
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code = json.loads(content)['code']
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print("Comment posting code: " + code)
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return code
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def _delete_comment(video_id, comment_id, session_token, cookiejar):
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headers = {
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'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',
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'Accept': '*/*',
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'Accept-Language': 'en-US,en;q=0.5',
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'X-YouTube-Client-Name': '2',
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'X-YouTube-Client-Version': '2.20180823',
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'Content-Type': 'application/x-www-form-urlencoded',
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}
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action = proto.uint(1,6) + proto.string(3, comment_id) + proto.string(5, video_id)
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action = proto.percent_b64encode(action).decode('ascii')
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sej = json.dumps({"clickTrackingParams":"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=","commandMetadata":{"webCommandMetadata":{"url":"/service_ajax","sendPost":True}},"performCommentActionEndpoint":{"action":action}})
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data_dict = {
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'sej': sej,
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'session_token': session_token,
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}
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data = urllib.parse.urlencode(data_dict).encode()
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content = util.fetch_url("https://m.youtube.com/service_ajax?name=performCommentActionEndpoint", headers=headers, data=data, cookiejar_send=cookiejar)
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code = json.loads(content)['code']
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print("Comment deletion code: " + code)
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return code
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xsrf_token_regex = re.compile(r'''XSRF_TOKEN"\s*:\s*"([\w-]*(?:=|%3D){0,2})"''')
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def get_session_token(video_id, cookiejar):
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''' 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'''
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# youtube-dl uses disable_polymer=1 which uses a different request format which has an obfuscated javascript algorithm to generate a parameter called "bgr"
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# Tokens retrieved from disable_polymer pages only work with that format. Tokens retrieved on mobile only work using mobile requests
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# Additionally, tokens retrieved without sending the same cookie won't work. So this is necessary even if the bgr and stuff was reverse engineered.
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headers = {'User-Agent': util.mobile_user_agent}
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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()
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match = xsrf_token_regex.search(mobile_page)
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if match:
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return match.group(1).replace("%3D", "=")
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else:
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raise Exception("Couldn't find xsrf_token")
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@yt_app.route('/delete_comment', methods=['POST'])
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def delete_comment():
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video_id = request.values['video_id']
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cookiejar = accounts.account_cookiejar(request.values['channel_id'])
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token = get_session_token(video_id, cookiejar)
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code = _delete_comment(video_id, request.values['comment_id'], token, cookiejar)
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if code == "SUCCESS":
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return flask.redirect(util.URL_ORIGIN + '/comment_delete_success', 303)
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else:
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return flask.redirect(util.URL_ORIGIN + '/comment_delete_fail', 303)
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@yt_app.route('/comment_delete_success')
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def comment_delete_success():
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return flask.render_template('status.html', title='Success', message='Successfully deleted comment')
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@yt_app.route('/comment_delete_fail')
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def comment_delete_fail():
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return flask.render_template('status.html', title='Error', message='Failed to delete comment')
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@yt_app.route('/post_comment', methods=['POST'])
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@yt_app.route('/comments', methods=['POST'])
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def post_comment():
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video_id = request.values['video_id']
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channel_id = request.values['channel_id']
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cookiejar = accounts.account_cookiejar(channel_id)
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token = get_session_token(video_id, cookiejar)
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if 'parent_id' in request.values:
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code = _post_comment_reply(request.values['comment_text'], request.values['video_id'], request.values['parent_id'], token, cookiejar)
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return flask.redirect(util.URL_ORIGIN + '/comments?' + request.query_string.decode('utf-8'), 303)
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else:
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code = _post_comment(request.values['comment_text'], request.values['video_id'], token, cookiejar)
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return flask.redirect(util.URL_ORIGIN + '/comments?ctoken=' + comments.make_comment_ctoken(video_id, sort=1), 303)
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@yt_app.route('/delete_comment', methods=['GET'])
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def get_delete_comment_page():
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parameters = [(parameter_name, request.args[parameter_name]) for parameter_name in ('video_id', 'channel_id', 'comment_id')]
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return flask.render_template('delete_comment.html', parameters = parameters)
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@yt_app.route('/post_comment', methods=['GET'])
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def get_post_comment_page():
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video_id = request.args['video_id']
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parent_id = request.args.get('parent_id', '')
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if parent_id: # comment reply
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form_action = util.URL_ORIGIN + '/comments?parent_id=' + parent_id + "&video_id=" + video_id
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replying = True
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else:
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form_action = ''
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replying = False
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comment_posting_box_info = {
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'form_action': form_action,
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'video_id': video_id,
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'accounts': accounts.account_list_data(),
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'include_video_id_input': not replying,
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'replying': replying,
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}
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return flask.render_template('post_comment.html',
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comment_posting_box_info = comment_posting_box_info,
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replying = replying,
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)
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