Reorganized account and commenting functions into different files

1 files changed, 195 insertions, 0 deletions

diff --git a/youtube/post_comment.py b/youtube/post_comment.py
new file mode 100644
index 0000000..35b1e43
--- /dev/null
+++ b/youtube/post_comment.py
@@ -0,0 +1,195 @@
+# Contains functions having to do with posting/editing/deleting comments
+
+import urllib
+import json
+from youtube import common, proto, comments
+import re
+import traceback
+import settings
+import os
+
+def _post_comment(text, video_id, session_token, cookie):
+    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',
+        'Accept-Encoding': 'gzip, deflate, br',
+        'X-YouTube-Client-Name': '2',
+        'X-YouTube-Client-Version': '2.20180823',
+        'Content-Type': 'application/x-www-form-urlencoded',
+        'Cookie': cookie,
+    }
+
+    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()
+
+    req = urllib.request.Request("https://m.youtube.com/service_ajax?name=createCommentEndpoint", headers=headers, data=data)
+    response = urllib.request.urlopen(req, timeout = 5)
+    content = response.read()
+    content = common.decode_content(content, response.getheader('Content-Encoding', default='identity'))
+    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, cookie):
+    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',
+        'Accept-Encoding': 'gzip, deflate, br',
+        'X-YouTube-Client-Name': '2',
+        'X-YouTube-Client-Version': '2.20180823',
+        'Content-Type': 'application/x-www-form-urlencoded',
+        'Cookie': cookie,
+    }
+
+    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()
+
+    req = urllib.request.Request("https://m.youtube.com/service_ajax?name=createCommentReplyEndpoint", headers=headers, data=data)
+    response = urllib.request.urlopen(req, timeout = 5)
+    content = response.read()
+    content = common.decode_content(content, response.getheader('Content-Encoding', default='identity'))
+    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, cookie):
+    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',
+        'Accept-Encoding': 'gzip, deflate, br',
+        'X-YouTube-Client-Name': '2',
+        'X-YouTube-Client-Version': '2.20180823',
+        'Content-Type': 'application/x-www-form-urlencoded',
+        'Cookie': cookie,
+    }
+    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()
+
+    req = urllib.request.Request("https://m.youtube.com/service_ajax?name=performCommentActionEndpoint", headers=headers, data=data)
+    response = urllib.request.urlopen(req, timeout = 5)
+    content = response.read()
+
+xsrf_token_regex = re.compile(r'''XSRF_TOKEN"\s*:\s*"([\w-]*(?:=|%3D){0,2})"''')
+def post_comment(parameters, fields):
+    with open(os.path.join(settings.data_dir, 'cookie.txt'), 'r', encoding='utf-8') as f:
+        cookie_data = f.read()
+
+    #parameters = urllib.parse.parse_qs(query_string)
+    try:
+        video_id = fields['video_id'][0]
+    except KeyError:
+        video_id = parameters['video_id'][0]
+
+    # Get session token for mobile
+    # 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': common.mobile_user_agent,
+    'Cookie': cookie_data,}
+    mobile_page = common.fetch_url('https://m.youtube.com/watch?v=' + video_id, headers, report_text="Retrieved session token for comment").decode()
+    match = xsrf_token_regex.search(mobile_page)
+    if match:
+        token = match.group(1).replace("%3D", "=")
+    else:
+        raise Exception("Couldn't find xsrf_token")
+
+    if 'parent_id' in parameters:
+        code = _post_comment_reply(fields['comment_text'][0], parameters['video_id'][0], parameters['parent_id'][0], token, cookie_data)
+        '''try:
+            response = comments.get_comments_page(query_string)
+        except socket.error as e:
+            traceback.print_tb(e.__traceback__)
+            return b'Refreshing comment page yielded error 502 Bad Gateway.\nPost comment status code: ' + code.encode('ascii')
+        except Exception as e:
+            traceback.print_tb(e.__traceback__)
+            return b'Refreshing comment page yielded error 500 Internal Server Error.\nPost comment status code: ' + code.encode('ascii')
+        return response'''
+    else:
+        code = _post_comment(fields['comment_text'][0], fields['video_id'][0], token, cookie_data)
+        
+        '''try:
+            response = comments.get_comments_page('ctoken=' + comments.make_comment_ctoken(video_id, sort=1))
+        except socket.error as e:
+            traceback.print_tb(e.__traceback__)
+            return b'Refreshing comment page yielded error 502 Bad Gateway.\nPost comment status code: ' + code.encode('ascii')
+        except Exception as e:
+            traceback.print_tb(e.__traceback__)
+            return b'Refreshing comment page yielded error 500 Internal Server Error.\nPost comment status code: ' + code.encode('ascii')
+        return response'''
+    return code
+
+
+def get_post_comment_page(query_string):
+    parameters = urllib.parse.parse_qs(query_string)
+    video_id = parameters['video_id'][0]
+    parent_id = common.default_multi_get(parameters, 'parent_id', 0, default='')
+    
+    style = ''' main{
+    display: grid;
+    grid-template-columns: 3fr 2fr;
+}
+.left{
+    display:grid;
+    grid-template-columns: 1fr 640px;
+}
+textarea{
+    width: 460px;
+    height: 85px;
+}
+.comment-form{
+    grid-column:2;
+}'''
+    if parent_id:   # comment reply
+        comment_box = comments.comment_box_template.substitute(
+            form_action = common.URL_ORIGIN + '/comments?parent_id=' + parent_id + "&video_id=" + video_id,
+            video_id_input = '',
+            post_text = "Post reply",
+        )
+    else:
+        comment_box = comments.comment_box_template.substitute(
+            form_action = common.URL_ORIGIN + '/post_comment',
+            video_id_input = '''<input type="hidden" name="video_id" value="''' + video_id + '''">''',
+            post_text = "Post comment",
+        )
+        
+    page = '''<div class="left">\n''' + comment_box + '''</div>\n'''
+    return common.yt_basic_template.substitute(
+        page_title = "Post comment reply" if parent_id else "Post a comment",
+        style = style,
+        header = common.get_header(),
+        page = page,
+    )
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