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add custom cors scheme option

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Jakob Hagl 2025-08-05 10:38:08 +02:00
parent b8da4a8cd8
commit ae2a746d0c
1 changed files with 9 additions and 3 deletions
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12
backend/open_webui/config.py
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@ -1337,10 +1337,11 @@ if THREAD_POOL_SIZE is not None and isinstance(THREAD_POOL_SIZE, str):
def validate_cors_origin(origin):
parsed_url = urlparse(origin)
# Check if the scheme is either http or https
if parsed_url.scheme not in ["http", "https"]:
# Check if the scheme is either http or https, or a custom scheme
schemes = ["http", "https" ] + CORS_ALLOW_CUSTOM_SCHEME
if parsed_url.scheme not in schemes:
raise ValueError(
f"Invalid scheme in CORS_ALLOW_ORIGIN: '{origin}'. Only 'http' and 'https' are allowed."
f"Invalid scheme in CORS_ALLOW_ORIGIN: '{origin}'. Only 'http' and 'https' and CORS_ALLOW_CUSTOM_SCHEME are allowed."
)
# Ensure that the netloc (domain + port) is present, indicating it's a valid URL
@ -1355,6 +1356,11 @@ def validate_cors_origin(origin):
# in your .env file depending on your frontend port, 5173 in this case.
CORS_ALLOW_ORIGIN = os.environ.get("CORS_ALLOW_ORIGIN", "*").split(";")
# Allows custom URL schemes (e.g., app://) to be used as origins for CORS.
# Useful for local development or desktop clients with schemes like app:// or other custom protocols.
# Provide a semicolon-separated list of allowed schemes in the environment variable CORS_ALLOW_CUSTOM_SCHEMES.
CORS_ALLOW_CUSTOM_SCHEME = os.environ.get("CORS_ALLOW_CUSTOM_SCHEME", "").split(";")
if CORS_ALLOW_ORIGIN == ["*"]:
log.warning(
"\n\nWARNING: CORS_ALLOW_ORIGIN IS SET TO '*' - NOT RECOMMENDED FOR PRODUCTION DEPLOYMENTS.\n"