Troubleshooting Cross-Origin Resource Sharing in Three.JS and Firebase Hosting

Struggling to load a 3D model through the Three.js MT: / OBJ loader.

You can see an example of what I'm trying to achieve here:

The issue arises because the Three.js package requires both the files and the code to have the same base path.

For instance, if my model is located at 3d.com and my files are in a directory called 3d.com/files, then everything works smoothly.

However, when using Firebase storage to host the 3D files that users upload, a problem occurs due to the differing base paths. Firebase storage URLs typically start with 

https://firebasestorage.googleapis.com/v0/...
, resulting in CORS errors.

Seeking advice on how to overcome this dilemma. Does anyone have a solution?

javascriptfirebasethree.jsgoogle-cloud-firestorecors

Answer №1

Does anyone have a solution for this issue?

To resolve this, it is important to ensure that the backend service has the correct configuration and includes CORS headers in the HTTP response. Specifically for Firebase, I recommend looking into the details provided in this discussion:

Firebase Storage and Access-Control-Allow-Origin

It's worth mentioning that this problem is not related to three.js but rather a hosting concern. This security error can occur with any type of AJAX request.

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