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Markos Gogoulos
2026-01-25 10:18:00 +02:00
parent 8610df0c2b
commit 7a954e7a3d
1 changed files with 27 additions and 1 deletions
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28
lti/views.py
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@@ -10,6 +10,7 @@ Implements the LTI 1.3 / LTI Advantage flow:
- Manual NRPS Sync
"""
import json
import traceback
import uuid
from urllib.parse import urlencode
@@ -79,6 +80,7 @@ class OIDCLoginView(View):
client_id = request.GET.get('client_id') or request.POST.get('client_id')
login_hint = request.GET.get('login_hint') or request.POST.get('login_hint')
lti_message_hint = request.GET.get('lti_message_hint') or request.POST.get('lti_message_hint')
media_friendly_token = request.GET.get('media_friendly_token') or request.POST.get('media_friendly_token')
if not all([target_link_uri, iss, client_id]):
return JsonResponse({'error': 'Missing required OIDC parameters'}, status=400)
@@ -104,7 +106,12 @@ class OIDCLoginView(View):
state = str(uuid.uuid4())
nonce = str(uuid.uuid4())
session_service.save_launch_data(f'state-{state}', {'target_link_uri': target_link_uri, 'nonce': nonce})
launch_data = {'target_link_uri': target_link_uri, 'nonce': nonce}
# Store media token if provided (for filter-based launches)
if media_friendly_token:
launch_data['media_friendly_token'] = media_friendly_token
session_service.save_launch_data(f'state-{state}', launch_data)
params = {
'response_type': 'id_token',
@@ -201,6 +208,20 @@ class LaunchView(View):
create_lti_session(request, user, message_launch, platform)
# Extract and store message hint data if present (for filter-based launches)
custom_claims = launch_data.get('https://purl.imsglobal.org/spec/lti/claim/custom', {})
lti_message_hint_str = custom_claims.get('lti_message_hint', '')
if lti_message_hint_str:
try:
message_hint_data = json.loads(lti_message_hint_str)
if isinstance(message_hint_data, dict):
# Store in session for later use
if 'lti_session' in request.session:
request.session['lti_session']['message_hint'] = message_hint_data
request.session.modified = True
except (json.JSONDecodeError, ValueError):
pass
LTILaunchLog.objects.create(platform=platform, user=user, resource_link=resource_link_obj, launch_type='resource_link', success=True, claims=claims)
redirect_url = self.determine_redirect(launch_data, resource_link_obj)
@@ -235,6 +256,11 @@ class LaunchView(View):
return custom_path
media_id = custom.get('media_id') or custom.get('media_friendly_token')
# Also check session for media token (from filter-based launches)
if not media_id and hasattr(self, 'request'):
media_id = self.request.session.get('filter_media_token')
if media_id:
try:
media = Media.objects.get(friendly_token=media_id)