How can I upload to the R2 PreSign URL in my browser?

[subyankee]

It is impossible to upload the put method because it gets caught in the preflight cors.

Is there a way to upload without using a proxy server or Cloudflare worker?

[dev83]

Check this link

CORS issue with R2 Presigned URL

Hey guys I solved this issue. I found solution from Cloudflare discord. https://discord.com/channels/595317990191398933/1026190531056902184/1028195445580771379 https://gist.github.com/jeremywall/c87a7bcf423a6dab780d0fb0054c7e6d If you are using Node.js do this: r2.putBucketCors( { Bucket: 'game-resources', CORSConfiguration: { CORSRules: [ { AllowedMethods: ['PUT'], AllowedOrigins: ['*'], AllowedHeaders: […