Cors No 'Access-Control-Allow-Origin'

Hi, im working on a tcg project with oak and deno, but im getting this message: "Access to fetch at 'http://localhost:8000/users/6/cards' from origin 'http://localhost:5173' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource."

Here is how im handling the fetch

const response = await fetch(`http://localhost:8000/users/${userId}/cards`, {
        method: "POST",
        headers: {
          "Content-Type": "application/json",
          "Authorization": `Bearer ${token}`,
        },
        mode: "cors",
        body: JSON.stringify(requestBody),
      });

const response = await fetch(`http://localhost:8000/users/${userId}/cards`, {
        method: "POST",
        headers: {
          "Content-Type": "application/json",
          "Authorization": `Bearer ${token}`,
        },
        mode: "cors",
        body: JSON.stringify(requestBody),
      });

and here is what i have on my server.ts

app.use(
  oakCors({
    origin: ['http://localhost:5173'],
    allowedHeaders: ['Content-Type', 'Authorization'],
    methods: ['GET', 'POST', 'OPTIONS'],
    credentials: true, 
  })
);

app.use(
  oakCors({
    origin: ['http://localhost:5173'],
    allowedHeaders: ['Content-Type', 'Authorization'],
    methods: ['GET', 'POST', 'OPTIONS'],
    credentials: true, 
  })
);

Any advice would be appreciated

Deno•10mo ago•

6 replies

Brrrrr

Cors No 'Access-Control-Allow-Origin'

const response = await fetch(`http://localhost:8000/users/${userId}/cards`, {
        method: "POST",
        headers: {
          "Content-Type": "application/json",
          "Authorization": `Bearer ${token}`,
        },
        mode: "cors",
        body: JSON.stringify(requestBody),
      });

const response = await fetch(`http://localhost:8000/users/${userId}/cards`, {
        method: "POST",
        headers: {
          "Content-Type": "application/json",
          "Authorization": `Bearer ${token}`,
        },
        mode: "cors",
        body: JSON.stringify(requestBody),
      });

and here is what i have on my server.ts

app.use(
  oakCors({
    origin: ['http://localhost:5173'],
    allowedHeaders: ['Content-Type', 'Authorization'],
    methods: ['GET', 'POST', 'OPTIONS'],
    credentials: true, 
  })
);

app.use(
  oakCors({
    origin: ['http://localhost:5173'],
    allowedHeaders: ['Content-Type', 'Authorization'],
    methods: ['GET', 'POST', 'OPTIONS'],
    credentials: true, 
  })
);

Any advice would be appreciated

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