hey SuperTokens team
https://supertokens.com/docs/...
# support-questions-legacya
akrem.yes
11/14/2023, 8:02 AMhey SuperTokens team
https://supertokens.com/docs/thirdparty/troubleshooting/cors-issues
do we have the same docs for python fast-api based apps ?
r
rp_st
11/14/2023, 8:12 AMhey @akrem.yes not really. But the same error messages apply
a
akrem.yes
11/14/2023, 10:21 AMthanks
akrem.yes
11/15/2023, 12:08 AMhey hey
akrem.yes
11/15/2023, 12:09 AMI am having a really really weird cors issue. I followed all tutorials and tried 1 million solution and am always getting the same error
akrem.yes
11/15/2023, 12:10 AMI enabled the debug mode so you can maybe have a look with me because it's really crazy
akrem.yes
11/15/2023, 12:10 AMthese are the logs from frontend
akrem.yes
11/15/2023, 12:11 AMthese are from backend
akrem.yes
11/15/2023, 12:11 AMakrem.yes
11/15/2023, 12:13 AMand this is the backend file
akrem.yes
11/15/2023, 12:13 AM Copy code
from agenta_backend.routers import (
health_router,
)
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
origins = [
"http://localhost:3000",
]
print("are we even here?")
app = FastAPI()
allow_headers = ["Content-Type"]
app.add_middleware(
CORSMiddleware,
allow_origins=["http://localhost:3000"],
allow_credentials=True,
allow_methods=["*"],
allow_headers=['Content-Type', 'anti-csrf', 'authorization', 'st-auth-mode', 'rid', 'fdi-version'],
)
app.include_router(health_router.router, prefix="/health")akrem.yes
11/15/2023, 5:48 AMany idea ?
r
rp_st
11/15/2023, 6:41 AMwhat is the cors issue? What are the response headers from the preflight API call?
a
akrem.yes
11/15/2023, 7:28 AM Copy code
INFO: Started server process [7]
INFO: Waiting for application startup.
INFO: Application startup complete.
are we even here???????
are we even here???????
are we even here?
INFO: 192.168.65.1:30408 - "OPTIONS /api/auth/session/refresh HTTP/1.1" 400 Bad Request
INFO: 192.168.65.1:30408 - "OPTIONS /api/auth/session/refresh HTTP/1.1" 400 Bad Request
INFO: 192.168.65.1:30443 - "OPTIONS /api/auth/session/refresh HTTP/1.1" 400 Bad Request
INFO: 192.168.65.1:30444 - "OPTIONS /api/auth/session/refresh HTTP/1.1" 400 Bad Requestr
rp_st
11/15/2023, 7:29 AMwhats the browser console show?
a
akrem.yes
11/15/2023, 7:30 AMr
rp_st
11/15/2023, 7:31 AMthis means something is wrong with how you have setup the cors middleware
rp_st
11/15/2023, 7:32 AMin the code above, where have you added the supertokens middelware?
a
akrem.yes
11/15/2023, 7:32 AM Copy code
from supertokens_python import get_all_cors_headers
from agenta_backend.routers import (
health_router,
)
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from supertokens_python.framework.fastapi import get_middleware
origins = [
"http://localhost:3000",
]
print("are we even here?")
app = FastAPI()
app.add_middleware(get_middleware())
allow_headers = ["Content-Type"]
app.add_middleware(
CORSMiddleware,
allow_origins=["http://localhost:3000"],
allow_credentials=True,
allow_methods=["GET", "PUT", "POST", "DELETE", "OPTIONS", "PATCH"],
allow_headers=["Content-Type"] + get_all_cors_headers(),
)
app.include_router(health_router.router, prefix="/health")r
rp_st
11/15/2023, 7:32 AMyou should add the cors middelware before the supertokens middleware
rp_st
11/15/2023, 7:33 AMand try again
a
akrem.yes
11/15/2023, 7:39 AMeven the import ?
r
rp_st
11/15/2023, 7:39 AMno
a
akrem.yes
11/15/2023, 7:40 AM Copy code
from supertokens_python import get_all_cors_headers
from agenta_backend.routers import (
health_router,
)
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from supertokens_python.framework.fastapi import get_middleware
origins = [
"http://localhost:3000",
]
print("are we even here?")
app = FastAPI()
allow_headers = ["Content-Type"]
app.add_middleware(
CORSMiddleware,
allow_origins=["http://localhost:3000"],
allow_credentials=True,
allow_methods=["GET", "PUT", "POST", "DELETE", "OPTIONS", "PATCH"],
allow_headers=["Content-Type"] + get_all_cors_headers(),
)
app.add_middleware(get_middleware())
app.include_router(health_router.router, prefix="/health")akrem.yes
11/15/2023, 7:40 AMsame error
r
rp_st
11/15/2023, 7:40 AMyeaa.. not sure anymore
rp_st
11/15/2023, 7:40 AMyou migth wanna ask in fastapi community about cors
a
akrem.yes
11/16/2023, 2:03 PMhey
let's say we integrated supertokens in frontend but not in backend,
and our backend is well configured to handle.
will the integration in frontend cause a cors issue ?
r
rp_st
11/17/2023, 5:52 AMyea
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