CORS issue

I set up an api endpoint and has an middleware wrap around it to get the cors middleware. I deployed the to the fly.io.
in main.wasp

apiNamespace appsNamespace {
  middlewareConfigFn: import { appsNamespaceMiddlewareFn } from "@src/test/apis",
  path: "/apps"
}

apiNamespace appsNamespace {
  middlewareConfigFn: import { appsNamespaceMiddlewareFn } from "@src/test/apis",
  path: "/apps"
}

export const appsNamespaceMiddlewareFn: MiddlewareConfigFn = (middlewareConfig) => {
  const customMiddleware: express.RequestHandler = (_req, _res, next) => {
    console.log(middlewareConfig); // debug purpose
    next()
  }

  middlewareConfig.set('custom.middleware', customMiddleware)

  return middlewareConfig;
};

export const appsNamespaceMiddlewareFn: MiddlewareConfigFn = (middlewareConfig) => {
  const customMiddleware: express.RequestHandler = (_req, _res, next) => {
    console.log(middlewareConfig); // debug purpose
    next()
  }

  middlewareConfig.set('custom.middleware', customMiddleware)

  return middlewareConfig;
};

When I tried to hit the endpoint from lovable or

https://cors-test.codehappy.dev/

https://cors-test.codehappy.dev/

, both saying that the endpoint has cors issue. The current workaround I have is manually set up the response header in the fly-server.toml.

  [http_service.http_options.response.headers]
    Access-Control-Allow-Origin = "*"

  [http_service.http_options.response.headers]
    Access-Control-Allow-Origin = "*"

I'm curious about if I did anything wrong to enable cors? or adding that in the response (which seems not that safe) is the only way to go?

Wasp•5mo ago•

13 replies

YuehLin

CORS issue

I set up an api endpoint and has an middleware wrap around it to get the cors middleware. I deployed the to the fly.io.
in main.wasp

apiNamespace appsNamespace {
  middlewareConfigFn: import { appsNamespaceMiddlewareFn } from "@src/test/apis",
  path: "/apps"
}

apiNamespace appsNamespace {
  middlewareConfigFn: import { appsNamespaceMiddlewareFn } from "@src/test/apis",
  path: "/apps"
}

export const appsNamespaceMiddlewareFn: MiddlewareConfigFn = (middlewareConfig) => {
  const customMiddleware: express.RequestHandler = (_req, _res, next) => {
    console.log(middlewareConfig); // debug purpose
    next()
  }

  middlewareConfig.set('custom.middleware', customMiddleware)

  return middlewareConfig;
};

export const appsNamespaceMiddlewareFn: MiddlewareConfigFn = (middlewareConfig) => {
  const customMiddleware: express.RequestHandler = (_req, _res, next) => {
    console.log(middlewareConfig); // debug purpose
    next()
  }

  middlewareConfig.set('custom.middleware', customMiddleware)

  return middlewareConfig;
};

When I tried to hit the endpoint from lovable or

https://cors-test.codehappy.dev/

https://cors-test.codehappy.dev/

, both saying that the endpoint has cors issue. The current workaround I have is manually set up the response header in the fly-server.toml.

  [http_service.http_options.response.headers]
    Access-Control-Allow-Origin = "*"

  [http_service.http_options.response.headers]
    Access-Control-Allow-Origin = "*"

I'm curious about if I did anything wrong to enable cors? or adding that in the response (which seems not that safe) is the only way to go?

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