CORS error when using uploading to GCS from localhost











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I'm encountering a CORS error when uploading a file to a GCS signed url from localhost via PUT request, while setting Content-Type as image/png:



Access to XMLHttpRequest at 'https://storage.googleapis.com/{{BUCKET_NAME}}/folder/image.png?Expires=1542676226&GoogleAccessId=XXXX&Signature=YYYY' from origin 'http://localhost:3000' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.


I've made sure to set the bucket's CORS policy as loosely as possible for development purposes:



$ gsutil cors get gs://{{BUCKET_NAME}}

[
{
"origin": ["*"], // also tried "http://localhost:3000"
"method": ["*"],
"responseHeader": ["*"]
}
]


Unfortunately I'm not getting anything other than 403s.










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  • The fact that you’re getting 403s seems like the problem you need to solve, and the cause should be unrelated to your CORS config. The only effect your CORS config should be having is to add additional headers to response — it should definitely not be making the server block any requests with a 403.
    – sideshowbarker
    Nov 20 at 1:28










  • What method are you using to create the signed URL?
    – Christopher P
    Nov 20 at 17:27















up vote
0
down vote

favorite












I'm encountering a CORS error when uploading a file to a GCS signed url from localhost via PUT request, while setting Content-Type as image/png:



Access to XMLHttpRequest at 'https://storage.googleapis.com/{{BUCKET_NAME}}/folder/image.png?Expires=1542676226&GoogleAccessId=XXXX&Signature=YYYY' from origin 'http://localhost:3000' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.


I've made sure to set the bucket's CORS policy as loosely as possible for development purposes:



$ gsutil cors get gs://{{BUCKET_NAME}}

[
{
"origin": ["*"], // also tried "http://localhost:3000"
"method": ["*"],
"responseHeader": ["*"]
}
]


Unfortunately I'm not getting anything other than 403s.










share|improve this question






















  • The fact that you’re getting 403s seems like the problem you need to solve, and the cause should be unrelated to your CORS config. The only effect your CORS config should be having is to add additional headers to response — it should definitely not be making the server block any requests with a 403.
    – sideshowbarker
    Nov 20 at 1:28










  • What method are you using to create the signed URL?
    – Christopher P
    Nov 20 at 17:27













up vote
0
down vote

favorite









up vote
0
down vote

favorite











I'm encountering a CORS error when uploading a file to a GCS signed url from localhost via PUT request, while setting Content-Type as image/png:



Access to XMLHttpRequest at 'https://storage.googleapis.com/{{BUCKET_NAME}}/folder/image.png?Expires=1542676226&GoogleAccessId=XXXX&Signature=YYYY' from origin 'http://localhost:3000' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.


I've made sure to set the bucket's CORS policy as loosely as possible for development purposes:



$ gsutil cors get gs://{{BUCKET_NAME}}

[
{
"origin": ["*"], // also tried "http://localhost:3000"
"method": ["*"],
"responseHeader": ["*"]
}
]


Unfortunately I'm not getting anything other than 403s.










share|improve this question













I'm encountering a CORS error when uploading a file to a GCS signed url from localhost via PUT request, while setting Content-Type as image/png:



Access to XMLHttpRequest at 'https://storage.googleapis.com/{{BUCKET_NAME}}/folder/image.png?Expires=1542676226&GoogleAccessId=XXXX&Signature=YYYY' from origin 'http://localhost:3000' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.


I've made sure to set the bucket's CORS policy as loosely as possible for development purposes:



$ gsutil cors get gs://{{BUCKET_NAME}}

[
{
"origin": ["*"], // also tried "http://localhost:3000"
"method": ["*"],
"responseHeader": ["*"]
}
]


Unfortunately I'm not getting anything other than 403s.







cors xmlhttprequest google-cloud-storage






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asked Nov 20 at 1:23









robinnnnn

6561921




6561921












  • The fact that you’re getting 403s seems like the problem you need to solve, and the cause should be unrelated to your CORS config. The only effect your CORS config should be having is to add additional headers to response — it should definitely not be making the server block any requests with a 403.
    – sideshowbarker
    Nov 20 at 1:28










  • What method are you using to create the signed URL?
    – Christopher P
    Nov 20 at 17:27


















  • The fact that you’re getting 403s seems like the problem you need to solve, and the cause should be unrelated to your CORS config. The only effect your CORS config should be having is to add additional headers to response — it should definitely not be making the server block any requests with a 403.
    – sideshowbarker
    Nov 20 at 1:28










  • What method are you using to create the signed URL?
    – Christopher P
    Nov 20 at 17:27
















The fact that you’re getting 403s seems like the problem you need to solve, and the cause should be unrelated to your CORS config. The only effect your CORS config should be having is to add additional headers to response — it should definitely not be making the server block any requests with a 403.
– sideshowbarker
Nov 20 at 1:28




The fact that you’re getting 403s seems like the problem you need to solve, and the cause should be unrelated to your CORS config. The only effect your CORS config should be having is to add additional headers to response — it should definitely not be making the server block any requests with a 403.
– sideshowbarker
Nov 20 at 1:28












What method are you using to create the signed URL?
– Christopher P
Nov 20 at 17:27




What method are you using to create the signed URL?
– Christopher P
Nov 20 at 17:27

















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