Guide on preventing access to a website's JavaScript file or concealing specific data within it

Currently, my website is being hosted on GitHub pages and I am working on a simple web app that requires an API call. The API call consists of a web URL with specific parameters, including a personal API key issued by the service. It's important not to share this API key as it is like sharing your password. The service only provides account-specific API keys, not public ones.

Within my JavaScript file, there is a line that looks similar to this:

var api= "https://osu.ppy.sh/api/get_beatmaps?k=[MY API KEY HERE]"
This string is used in a getJSON call.

I realized that anyone can simply go to myname.github.io/js/script.js and view the JavaScript code, exposing my API key. Is there a way to prevent access to this file or hide my API key from prying eyes?

javascriptapisecurityurlweb-applications

Answer №1

If you're unable to isolate this by running the code on a server that you have full control over and can secure, then the answer is unfortunately no.

Another option could be implementing this in a "serverless" environment such as an Amazon Lambda function or similar setup.

Keep in mind that any code executed on the client-side runs within the client's realm, meaning if they obtain your key, they essentially have access to it. To prevent this vulnerability, consider using an intermediary or proxy for requests.

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