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This commit is contained in:
Markos Gogoulos
2026-02-12 14:24:45 +02:00
parent 7e7cd10549
commit 4656ba1176
3 changed files with 73 additions and 20 deletions
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39
lti/views.py
View File

@@ -81,6 +81,13 @@ class OIDCLoginView(View):
cmid = request.GET.get('cmid') or request.POST.get('cmid')
media_token = request.GET.get('media_token') or request.POST.get('media_token')
# Extract embed parameters from request
embed_show_title = request.GET.get('embed_show_title') or request.POST.get('embed_show_title')
embed_show_related = request.GET.get('embed_show_related') or request.POST.get('embed_show_related')
embed_show_user_avatar = request.GET.get('embed_show_user_avatar') or request.POST.get('embed_show_user_avatar')
embed_link_title = request.GET.get('embed_link_title') or request.POST.get('embed_link_title')
embed_start_time = request.GET.get('embed_start_time') or request.POST.get('embed_start_time')
if not all([target_link_uri, iss, client_id]):
return JsonResponse({'error': 'Missing required OIDC parameters'}, status=400)
@@ -114,6 +121,18 @@ class OIDCLoginView(View):
if media_token:
state_data['media_token'] = media_token
# Add embed parameters to state
if embed_show_title:
state_data['embed_show_title'] = embed_show_title
if embed_show_related:
state_data['embed_show_related'] = embed_show_related
if embed_show_user_avatar:
state_data['embed_show_user_avatar'] = embed_show_user_avatar
if embed_link_title:
state_data['embed_link_title'] = embed_link_title
if embed_start_time:
state_data['embed_start_time'] = embed_start_time
# Encode as base64 URL-safe string
state = base64.urlsafe_b64encode(json.dumps(state_data).encode()).decode().rstrip('=')
@@ -217,8 +236,9 @@ class LaunchView(View):
error_message = ''
claims = {}
# Extract media_token from state parameter if present (for filter launches)
# Extract media_token and embed parameters from state parameter if present (for filter launches)
media_token_from_state = None
embed_params_from_state = {}
state = request.POST.get('state')
if state:
try:
@@ -232,6 +252,11 @@ class LaunchView(View):
state_decoded = base64.urlsafe_b64decode(state_padded.encode()).decode()
state_data = json.loads(state_decoded)
media_token_from_state = state_data.get('media_token')
# Extract embed parameters from state
for key in ['embed_show_title', 'embed_show_related', 'embed_show_user_avatar', 'embed_link_title', 'embed_start_time']:
if key in state_data:
embed_params_from_state[key] = state_data[key]
except Exception:
pass
@@ -265,15 +290,21 @@ class LaunchView(View):
launch_data = message_launch.get_launch_data()
claims = self.sanitize_claims(launch_data)
# Extract custom claims and inject media_token from state if present
# Extract custom claims and inject media_token and embed params from state if present
try:
custom_claims = launch_data.get('https://purl.imsglobal.org/spec/lti/claim/custom', {})
# Inject media_token from state if present (for filter launches)
if media_token_from_state and not custom_claims.get('media_friendly_token'):
custom_claims['media_friendly_token'] = media_token_from_state
# Update launch_data with the modified custom claims
launch_data['https://purl.imsglobal.org/spec/lti/claim/custom'] = custom_claims
# Inject embed parameters from state if present
for key, value in embed_params_from_state.items():
if key not in custom_claims:
custom_claims[key] = value
# Update launch_data with the modified custom claims
launch_data['https://purl.imsglobal.org/spec/lti/claim/custom'] = custom_claims
except Exception:
custom_claims = {}