Handle mass websub subscriptions with added statistics. General cleanup

.gitea/workflows/frontend-release.yaml

@@ -1,4 +1,4 @@
-name: Generate release
+name: Generate docker image
 
 on:
   release:
@@ -22,13 +22,4 @@ jobs:
       uses: docker/build-push-action@v5
       with:
         push: true
-        tags: git.ventilaar.nl/ventilaar/ayta:latest
-        
-    - name: Update worker server
-      uses: appleboy/ssh-action@v1.0.3
-      with:
-        host: 192.168.66.109
-        username: root
-        key: ${{ secrets.SERVER_KEY }}
-        port: 22
-        script: /root/update_worker.sh
+        tags: git.ventilaar.nl/ventilaar/ayta:latest

.gitea/workflows/workers-tasks.yaml

@@ -0,0 +1,18 @@
+name: Update worker server
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  build-and-publish:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Update worker server
+      uses: appleboy/ssh-action@v1.0.3
+      with:
+        host: 192.168.66.109
+        username: root
+        key: ${{ secrets.SERVER_KEY }}
+        port: 22
+        script: /root/update_worker.sh

ayta/__init__.py

@@ -9,15 +9,24 @@ def create_app(test_config=None):
     config = {'MONGO_CONNECTION': os.environ.get('AYTA_MONGOCONNECTION', 'mongodb://root:example@192.168.66.140:27017'),
               'OIDC_PROVIDER': os.environ.get('AYTA_OIDC_PROVIDER', 'https://auth.ventilaar.nl'),
               'OIDC_ID': os.environ.get('AYTA_OIDC_ID', 'ayta'),
-              'CACHE_TYPE': os.environ.get('AYTA_CACHETYPE', 'SimpleCache'),
               'CACHE_DEFAULT_TIMEOUT': int(os.environ.get('AYTA_CACHETIMEOUT', 6)),
-              'SECRET_KEY': os.environ.get('AYTA_SECRETKEY', secrets.token_hex(32)),
               'DEBUG': bool(os.environ.get('AYTA_DEBUG', False)),
               'DOMAIN': os.environ.get('AYTA_DOMAIN', 'https://testing.mashallah.nl'),
-              'CELERY': dict(broker_url=str(os.environ.get('AYTA_CELERYBROKER', 'amqp://guest:guest@192.168.66.140:5672/')), 
-                             task_ignore_result=True,)
+              'CELERY': {'broker_url': str(os.environ.get('AYTA_CELERYBROKER', 'amqp://guest:guest@192.168.66.140:5672/'))}
              }
     
+    # Static Flask configuration options
+    
+    config['CELERY']['task_ignore_result'] = True
+    config['CACHE_TYPE'] = 'SimpleCache'
+    config['SECRET_KEY'] = secrets.token_bytes(32)
+    
+    # Celery Periodic tasks
+    
+    config['CELERY']['beat_schedule'] = {}
+    config['CELERY']['beat_schedule']['Renew WebSub endpoints'] = {'task': 'ayta.tasks.websub_renew_expiring', 'schedule': 4000}
+    #config['CELERY']['beat_schedule']['Process WebSub data'] = {'task': 'ayta.tasks.websub_process_data', 'schedule': 6}
+    
     app = Flask(__name__)
     app.config.from_mapping(config)
     

ayta/blueprints/admin.py

@@ -2,7 +2,7 @@ from flask import Blueprint, render_template, request, redirect, url_for, flash
 from ..nosql import get_nosql
 from ..dlp import checkChannelId, getChannelInfo
 from ..decorators import login_required
-from ..tasks import subscribe_websub_callback, unsubscribe_websub_callback
+from ..tasks import websub_subscribe_callback, websub_unsubscribe_callback
 from datetime import datetime
 from secrets import token_urlsafe
 
@@ -71,15 +71,15 @@ def channel(channelId):
         value = request.form.get('value', None)
         
         if task == 'subscribe-websub':
-            task = subscribe_websub_callback.delay(channelId)
+            task = websub_subscribe_callback.delay(channelId)
             flash(f"Started task {task.id}")
             return redirect(url_for('admin.channel', channelId=channelId))
         
         if task == 'update-value':
-            if key == 'active':
+            if key in ['active', 'websub']:
                 value = True if value else False
 
-            if key == 'added_date':
+            if key in ['added_date']:
                 value = datetime.strptime(value, '%Y-%m-%d')
               
             get_nosql().update_channel_key(channelId, key, value)
@@ -109,29 +109,41 @@ def run(runId):
 @bp.route('/websub', methods=['GET', 'POST'])
 @login_required
 def websub():
+    render = {}
+    
     if request.method == 'POST':
         task = request.form.get('task', None)
         value = request.form.get('value', None)
         
         if task == 'unsubscribe':
-            channelId = get_nosql().websub_getCallback(value).get('channel')
-            
-            task = unsubscribe_websub_callback.delay(value, channelId)
+            task = websub_unsubscribe_callback.delay(value)
             
             flash(f"Started task {task.id}")
             return redirect(url_for('admin.websub'))
-            
         elif task == 'clean-retired':
             get_nosql().websub_cleanRetired()
             return redirect(url_for('admin.websub'))
+        elif task == 'unsubscribe-callbacks':
+            for callbackId in get_nosql().websub_getCallbacks():
+                websub_unsubscribe_callback.delay(callbackId)
+            flash(f"Started unsubscribe tasks for all callbacks")
+            return redirect(url_for('admin.websub'))
+        elif task == 'subscribe-channels':
+            for channelId in get_nosql().list_all_channels(websub=True):
+                websub_subscribe_callback.delay(channelId)
+            flash(f'Started subscribe tasks for activated channels')
+            return redirect(url_for('admin.websub'))
+            
     
     callbackIds = get_nosql().websub_getCallbacks()
     callbacks = {}
     
+    render['stats'] = get_nosql().websub_statistics()
+    
     for callbackId in callbackIds:
         callbacks[callbackId] = get_nosql().websub_getCallback(callbackId)
     
-    return render_template('admin/websub.html', callbacks=callbacks)
+    return render_template('admin/websub.html', callbacks=callbacks, render=render)
 
 @bp.route('/reports', methods=['GET', 'POST'])
 @login_required

ayta/blueprints/api.py

@@ -33,7 +33,7 @@ def websub(cap):
         return challenge
     
     if get_nosql().websub_existsCallback(cap):
-        if not get_nosql().websub_savePost(cap, str(request.data)):
+        if not get_nosql().websub_savePost(cap, request.data):
             return abort(500)
         return '', 202
     

ayta/blueprints/channel.py

@@ -34,7 +34,7 @@ def channel(channelId):
     for videoId in videoIds:
         videos.append(get_nosql().get_video_info(videoId, limited=True))
         
-    videos = sorted(videos, key=lambda x: x.get('upload_date'), reverse=True)
+    videos = sorted(videos, key=lambda x: x.get('upload_date', '19700101'), reverse=True)
 
     return render_template('channel/channel.html', channel=channelInfo, videos=videos)
     

ayta/blueprints/watch.py

@@ -36,4 +36,9 @@ def base():
 
     render['info'] = get_nosql().get_video_info(vGet)
     render['params'] = request.args.get('v')
+    
+    if render['info']['_status'] != 'available':
+        flash(render['info'].get('_status_description', 'Video unavailable because of technical errors. Come back later.'))
+        return redirect(url_for('index.base'))
+        
     return render_template('watch/index.html', render=render)

ayta/nosql.py

@@ -142,12 +142,14 @@ class Mango:
     #            channel operations          #
     ##########################################
     
-    def list_all_channels(self, active=False):
+    def list_all_channels(self, active=False, websub=False):
         """ Returns a SET of YouTube channel ID's; Depending on given positional BOOL only active channels or everything"""
         search_terms = {}
         
         if active:
             search_terms['active'] = True
+        elif websub:
+            search_terms['websub'] = True
         
         channels = []
         for channel in self.channels.find(search_terms, {'id': 1}):
@@ -169,9 +171,6 @@ class Mango:
     def get_channel_info(self, channelId):
         return self.channels.find_one({'id': channelId})
         
-    def update_channel_state(self, channelId, state):
-        self.channels.update_one({'id': channelId}, {"$set": {"active": bool(state)}})
-        return True
         
     def update_channel_key(self, channelId, key, value):
         self.channels.update_one({'id': channelId}, {"$set": {key: value}})
@@ -205,7 +204,7 @@ class Mango:
     
     def get_recent_videos(self, count=99):
         """ Returns a SET of YouTube video ID's which have been added last to the info_json collection """
-        result = self.info_json.find({}, {'_id': 0, 'id': 1}, sort=[('_id', pymongo.DESCENDING)]).limit(count)
+        result = self.info_json.find({'_status': 'available'}, {'_id': 0, 'id': 1}, sort=[('_id', pymongo.DESCENDING)]).limit(count)
 
         ids = []
         
@@ -216,7 +215,7 @@ class Mango:
         
     def get_video_info(self, videoId, limited=False):
         if limited:
-            projection = {'_id': 1, 'id': 1, 'title': 1, 'upload_date': 1, 'description': 1, 'channel_id': 1, 'uploader': 1, 'epoch': 1, 'title_slug': 1}
+            projection = {'_id': 1, 'id': 1, 'title': 1, 'upload_date': 1, 'description': 1, 'channel_id': 1, 'uploader': 1, 'epoch': 1, '_title_slug': 1}
         else:
             projection = {}
         
@@ -294,22 +293,22 @@ class Mango:
         status = status.get('status')
         
         if status in ['requesting']:
-            self.websub_callbacks.update_one({'id': callbackId}, {'$set': {'status': 'active', 'activation_time': current_time(object=True), 'lease': lease}})
+            self.websub_callbacks.update_one({'id': callbackId}, {'$set': {'status': 'active', 'activation_time': current_time(object=True), 'lease': int(lease)}})
             return True
         
         return False
 
-    def websub_existsCallback(self, callbackId):
-        status = self.websub_callbacks.find_one({'id': callbackId}, {'status': 1})
+    def websub_existsCallback(self, callbackId, channel=False):
+        if channel:
+            query = {'channel': callbackId, 'status': {'$in': ['requesting', 'active', 'retiring']}}
+        else:
+            query = {'id': callbackId, 'status': {'$in': ['requesting', 'active', 'retiring']}}
+            
+        status = self.websub_callbacks.find_one(query, {'id': 1, 'status': 1})
 
-        if not status:
-            return False
-            
-        status = status.get('status')
+        if status:
+            return status.get('id')
         
-        if status in ['requesting', 'active', 'retiring']:
-            return True
-            
         return False
         
     def websub_retiringCallback(self, callbackId):
@@ -330,7 +329,7 @@ class Mango:
     def websub_getCallback(self, callbackId):
         return self.websub_callbacks.find_one({'id': callbackId})
         
-    def websub_getCallbacks(self, channelId=''):
+    def websub_getCallbacks(self, channelId=None):
         callbacks = []
         
         if channelId:
@@ -338,7 +337,6 @@ class Mango:
         else:
             filter = {}
         
-        
         for callback in self.websub_callbacks.find(filter, {'id': 1}):
             callbacks.append(callback['id'])
             
@@ -347,12 +345,34 @@ class Mango:
     def websub_savePost(self, callbackId, data):
         return self.websub_data.insert_one({'callback_id': callbackId, 'state': 'unprocessed', 'received_time': current_time(object=True), 'raw_data': data}).inserted_id
         
-    def websub_cleanRetired(self, days=3):
+    def websub_getFirstPostData(self):
+        data = self.websub_data.find_one({'state': 'unprocessed'}, {'_id': 1, 'raw_data': 1}, sort=[('received_time', 1)])
+        
+        if not data:
+            return None
+        
+        self.websub_data.update_one({'_id': data['_id']}, {'$set': {'state': 'processing'}})
+        
+        return (data.get('_id'), data.get('raw_data'))
+        
+    def websub_deletePostProcessing(self, _id):
+        self.websub_data.delete_one({'_id': _id})
+        
+    def websub_cleanRetired(self, days=1):
         days = self.datetime.utcnow() - self.timedelta(days=days)
 
         self.websub_callbacks.delete_many({'status': 'retired', 'retired_time': {'$lt': days}})
+        self.websub_callbacks.delete_many({'status': 'requesting', 'requesting_time': {'$lt': days}})
         
         return True
+        
+    def websub_statistics(self):
+        stats = {}
+        
+        stats['unprocessed_data'] = self.websub_data.count_documents({'state': 'unprocessed'})
+        stats['active_callbacks'] = self.websub_callbacks.count_documents({'status': 'active'})
+        
+        return stats
 
     ##########################################
     #           POSTER FUNCTIONS             #

ayta/oidc.py

@@ -1,4 +1,10 @@
 class OIDC():
+    """
+    This function class is nothing more than a nonce and state store for security in the authentication mechanism.
+    Additionally this class provides the function to generate redirect url's and check bearer tokens on their validity as well as caching jwt signing keys.
+    Fairly barebones and should be 100% secure. (famous last words)
+    This is made for form posted JWT's. While not the most secure it is the most easy way to implement. Moving on to a code based solution might be preferred in the future.
+    """
     def __init__(self, app=None):
         self.states = {}
         self.nonces = {}
@@ -15,6 +21,7 @@ class OIDC():
         self.client_id = config['OIDC_ID']
         self.provider = config['OIDC_PROVIDER']
         self.domain = config['DOMAIN']
+        self.window = 120  # the time window to allow states and nonces in seconds
         
         if self.provider[:8] != 'https://' or self.provider[-1] == '/':
             print('Incorrect OIDC provider URI', flush=True)
@@ -27,12 +34,12 @@ class OIDC():
         
         self.jwks_manager = jwt.PyJWKClient(jwks_uri)
 
-    #################################
+    #######################################################
 
     def state_maintenance(self):
         from datetime import datetime
         
-        pivot = datetime.now().timestamp() - 120
+        pivot = datetime.now().timestamp() - self.window
         
         expired_states = [state for state, timestamp in self.states.items() if timestamp <= pivot]
         
@@ -61,12 +68,14 @@ class OIDC():
             
         return False
         
-    #################################
+    #######################################################
+    # Same code as above but a different store for nonces #
+    #######################################################
     
     def nonce_maintenance(self):
         from datetime import datetime
         
-        pivot = datetime.now().timestamp() - 120
+        pivot = datetime.now().timestamp() - self.window
         
         expired_nonces = [nonce for nonce, timestamp in self.nonces.items() if timestamp <= pivot]
         
@@ -95,7 +104,7 @@ class OIDC():
             
         return False
     
-    #################################
+    #######################################################
     
     def generate_redirect(self):
         return str(f'{self.authorize_uri}'

ayta/tasks.py

@@ -1,38 +1,57 @@
 from celery import shared_task
 from flask import current_app
 
+##########################################
+#              CELERY TASKS              #
+##########################################
+
 @shared_task()
-def subscribe_websub_callback(channelId):
+def websub_subscribe_callback(channelId):
     import requests
     from .nosql import get_nosql
     
-    callbackId = get_nosql().websub_newCallback(channelId)
+    # check if a callback already exists for channel
+    answer = get_nosql().websub_existsCallback(channelId, channel=True)
+    
+    if not answer:
+        callbackId = get_nosql().websub_newCallback(channelId)
+    else:
+        callbackId = answer
     
     url = 'https://pubsubhubbub.appspot.com/subscribe'
     data = {
-        'hub.callback': f'https://{current_app.config["DOMAIN"]}/api/websub//{callbackId}',
+        'hub.callback': f'{current_app.config["DOMAIN"]}/api/websub/{callbackId}',
         'hub.topic': f'https://www.youtube.com/xml/feeds/videos.xml?channel_id={channelId}',
         'hub.verify': 'async',
         'hub.mode': 'subscribe',
         'hub.verify_token': '',
         'hub.secret': '',
-        'hub.lease_numbers': '86400',
+        'hub.lease_numbers': '432000',
     }
     
     get_nosql().websub_requestingCallback(callbackId)
     response = requests.post(url, data=data)
     if response.status_code == 202:
         return True
-        
+    
+    # maybe handle errors?
+    
     return False
     
 @shared_task()
-def unsubscribe_websub_callback(callbackId, channelId):
+def websub_unsubscribe_callback(callbackId):
     import requests
     from .nosql import get_nosql
     
+    answer = get_nosql().websub_existsCallback(callbackId)
+    
+    if not answer:
+        return False
+        
+    channelId = get_nosql().websub_getCallback(callbackId).get('channel')
+    
     url = 'https://pubsubhubbub.appspot.com/subscribe'
-    data = {'hub.callback': f'https://{current_app.config["DOMAIN"]}/api/websub/{callbackId}',
+    data = {'hub.callback': f'{current_app.config["DOMAIN"]}/api/websub/{callbackId}',
             'hub.topic': f'https://www.youtube.com/xml/feeds/videos.xml?channel_id={channelId}',
             'hub.verify': 'async',
             'hub.mode': 'unsubscribe'
@@ -44,4 +63,92 @@ def unsubscribe_websub_callback(callbackId, channelId):
     if response.status_code == 202:
         return True
         
-    return False
+    # maybe handle errors?
+        
+    return False
+    
+@shared_task()
+def websub_process_data():
+    from .nosql import get_nosql
+    
+    while True:
+        data = get_nosql().websub_getFirstPostData()
+        if not data:
+            break
+        
+        _id, data = data
+        
+        parsed = do_parse_data(data)
+        if not parsed:
+            get_nosql().websub_deletePostProcessing(_id)
+                
+        state, channelId, videoId = parsed
+        
+        # do things
+
+        get_nosql().websub_deletePostProcessing(_id)
+
+@shared_task()
+def websub_renew_expiring(hours=6):
+    from .nosql import get_nosql
+    from datetime import datetime, timedelta
+    
+    count = 0
+
+    for callbackId in get_nosql().websub_getCallbacks():
+        data = get_nosql().websub_getCallback(callbackId)
+        
+        if data.get('status') not in ['active']:  # callback not active
+            continue
+        
+        pivot = datetime.utcnow() + timedelta(hours=hours)  # hours past now
+        expires = data.get('activation_time') + timedelta(seconds=data.get('lease'))  # callback expires at
+        
+        if pivot <= expires:  # expiration happens after n hours fron now
+            continue  # skip callback
+        
+        # expiration happens within n hours
+        websub_subscribe_callback.delay(data.get('channel'))
+        
+        # limit amount of subscribe requests to spread out the requests over time
+        count = count + 1
+        if count >= 16:
+            break
+
+##########################################
+#              TASK MODULES              #
+##########################################
+
+def do_parse_data(data):
+    import xml.etree.ElementTree as ET
+    
+    data = data.decode('utf-8')
+
+    try:
+        root = ET.fromstring(data)
+    except ET.ParseError:
+        print('Not XML')
+        return False
+
+    yt = any(child.tag.startswith('{http://www.youtube.com/xml/schemas/2015}') for child in root.iter())
+    at = any(child.tag.startswith('{http://purl.org/atompub/tombstones/1.0}') for child in root.iter())
+
+    if yt and not at:
+        # Video published
+        state = 'added'
+        ns = {'yt': 'http://www.youtube.com/xml/schemas/2015', '': 'http://www.w3.org/2005/Atom'}
+        entry = root.find('.//{http://www.w3.org/2005/Atom}entry')
+        videoId = entry.find('./yt:videoId', ns).text
+        channelId = entry.find('./yt:channelId', ns).text
+    elif not yt and at:
+        # Video hidden
+        state = 'removed'
+        ns = {'at': 'http://purl.org/atompub/tombstones/1.0', '': 'http://www.w3.org/2005/Atom'}
+        deleted_entry = root.find('.//{http://purl.org/atompub/tombstones/1.0}deleted-entry')
+        videoId = deleted_entry.attrib['ref'].split(':')[-1]
+        channelId = deleted_entry.find('./at:by/uri', ns).text.split('/')[-1]
+    else:
+        print('Unknown xml')
+        return False
+        
+    return (state, channelId, videoId)

ayta/templates/admin/channel.html

@@ -19,7 +19,7 @@
     {% for item in channelInfo %}
 	  <form method="POST">
 	    <div class="input-field">
-		  <span class="supporting-text">{{ item }}</span>
+		  <span class="supporting-text mb-2">{{ item }}</span>
 		  <input class="validate" type="text" value="{{ item }}" name="key" hidden>
 		</div>
 		  

ayta/templates/admin/websub.html

@@ -4,14 +4,9 @@
 
 {% block content %}
 <div class="row">
-  <div class="col s12 l11">
+  <div class="col s12">
     <h4>WebSub administration page</h4>
   </div>
-  <div class="col s12 l1 m-5">
-    <form method="POST">
-	  <input title="Prunes all retired callbacks, but keeps last 3 days" type="submit" value="clean-retired" name="task">
-    </form>
-  </div>
 </div>
 <div class="divider"></div>
 <div class="row">
@@ -19,6 +14,43 @@
 	<h5>WebSub options</h5>
   </div>
 </div>
+<div class="row">
+  <div class="col s12 l4 m-4">
+	<div class="card">
+      <div class="card-content">
+        <span class="card-title">Direct actions</span>
+	    <form method="post" onsubmit="return confirm('Are you sure?');">
+          <button class="btn mb-2 green" type="submit" name="task" value="subscribe-channels">Subscribe channels</button>
+		  <br>
+		  <span class="supporting-text">Send WebSub subscription request for all activated channels. (This will renew existing ones as well)</span>
+	    </form>
+		<form class="mt-4" method="post" onsubmit="return confirm('Are you sure?');">
+          <button class="btn mb-2 red" type="submit" name="task" value="unsubscribe-callbacks">Unsubscribe channels</button>
+		  <br>
+		  <span class="supporting-text">Send WebSub unsubscription request for all activated endpoints. (This will only unsubscribe, not disable)</span>
+	    </form>
+		<form class="mt-4" method="post" onsubmit="return confirm('Are you sure?');">
+          <button class="btn mb-2" type="submit" name="task" value="clean-retired">Clean retired</button>
+		  <br>
+		  <span class="supporting-text">Prunes all retired callbacks, but keeps until last day</span>
+	    </form>
+      </div>
+    </div>
+  </div>
+  <div class="col s12 l4 m-4">
+	<div class="card">
+      <div class="card-content">
+        <span class="card-title">Statistics</span>
+	    <h6>Unprocessed callback datapoints</h6>
+		<p>{{ render['stats']['unprocessed_data'] }}</p>
+		<h6>Active callbacks</h6>
+		<p>{{ render['stats']['active_callbacks'] }}</p>
+		<h6>Something</h6>
+		<p>Blah</p>
+      </div>
+    </div>
+  </div>
+</div>
 <div class="divider"></div>
 <div class="row">
   <div class="col s6 l9">
@@ -50,6 +82,7 @@
 	    {% for callback in callbacks %}
         <tr class="filterable">
 		  <td>
+			<a target="_blank" rel="noopener noreferrer" href="https://pubsubhubbub.appspot.com/subscription-details?hub.callback={{ config['DOMAIN'] }}/api/websub/{{ callbacks[callback].get('id') }}&hub.topic=https://www.youtube.com/xml/feeds/videos.xml?channel_id={{ callbacks[callback].get('channel') }}"><button class="btn-small waves-effect waves-light" title="Information on Pubsubhubbub (external link)">ℹ️</button></a>
 		    <form method="post">
 			  <input type="text" value="{{ callbacks[callback].get('id') }}" name="value" hidden>
 		      <button class="btn-small waves-effect waves-light" type="submit" name="task" value="unsubscribe" title="Send unsubscribe request to hub" {% if callbacks[callback].get('status') != 'active' %}disabled{% endif %}>🗑️</button>

ayta/templates/channel/channel.html

@@ -25,7 +25,7 @@
 	<div class="card medium black-text">
 	  <a href="{{ url_for('watch.base') }}?v={{ video.get('id') }}">
 	    <div class="card-image">
-		  <img loading="lazy" src="https://archive.ventilaar.net/videos/automatic/{{ video.get('channel_id') }}/{{ video.get('id') }}/{{ video.get('title_slug') }}.jpg">
+		  <img loading="lazy" src="https://archive.ventilaar.net/videos/automatic/{{ video.get('channel_id') }}/{{ video.get('id') }}/{{ video.get('_title_slug') }}.jpg">
         </div>
 	  </a>
       <div class="card-content activator">

ayta/templates/channel/orphaned.html

@@ -25,7 +25,7 @@
 	<div class="card medium black-text">
 	  <a href="{{ url_for('watch.base') }}?v={{ video.get('id') }}">
 	    <div class="card-image">
-		  <img loading="lazy" src="https://archive.ventilaar.net/videos/automatic/{{ video.get('channel_id') }}/{{ video.get('id') }}/{{ video.get('title_slug') }}.jpg">
+		  <img loading="lazy" src="https://archive.ventilaar.net/videos/automatic/{{ video.get('channel_id') }}/{{ video.get('id') }}/{{ video.get('_title_slug') }}.jpg">
         </div>
 	  </a>
       <div class="card-content activator">

ayta/templates/channel/recent.html

@@ -25,7 +25,7 @@
 	<div class="card medium black-text">
 	  <a href="{{ url_for('watch.base') }}?v={{ video.get('id') }}">
 	    <div class="card-image">
-		  <img loading="lazy" src="https://archive.ventilaar.net/videos/automatic/{{ video.get('channel_id') }}/{{ video.get('id') }}/{{ video.get('title_slug') }}.jpg">
+		  <img loading="lazy" src="https://archive.ventilaar.net/videos/automatic/{{ video.get('channel_id') }}/{{ video.get('id') }}/{{ video.get('_title_slug') }}.jpg">
         </div>
 	  </a>
       <div class="card-content activator">

ayta/templates/watch/index.html

@@ -14,8 +14,8 @@
 <div class="row">
   <div class="col s12 mt-4 center-align">
     <video controls class="responsive-video">
-    <source src="https://archive.ventilaar.net/videos/automatic/{{ render.get('info').get('channel_id') }}/{{ render.get('info').get('id') }}/{{ render.get('info').get('title_slug') }}.mp4">
-    <source src="https://archive.ventilaar.net/videos/automatic/{{ render.get('info').get('channel_id') }}/{{ render.get('info').get('id') }}/{{ render.get('info').get('title_slug') }}.webm">
+    <source src="https://archive.ventilaar.net/videos/automatic/{{ render.get('info').get('channel_id') }}/{{ render.get('info').get('id') }}/{{ render.get('info').get('_title_slug') }}.mp4">
+    <source src="https://archive.ventilaar.net/videos/automatic/{{ render.get('info').get('channel_id') }}/{{ render.get('info').get('id') }}/{{ render.get('info').get('_title_slug') }}.webm">
     Your browser does not support the video tag.
     </video>
   </div>