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I am using nodejs server, express framework and fetch library to send request to another server which is in different domain. For one of my endpoint consider (localhost:8080/login) i am rendering ejs file when the user clicks login button i am sending a fetch request to an api (https:otherserver.com/login) different server which is in other domain. i am not able to send this request. I am getting this error :
Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://localhost:8080' is therefore not allowed access. The response had HTTP status code 404. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled.
I am not sure how to handle this issue. please suggest some ideas or links which can solve this issue.
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In that case you can change the security policy in your Google Chrome browser to allow Access-Control-Allow-Origin. This is very simple: Create a Chrome browser shortcut. Right click short cut icon -> Properties -> Shortcut -> Target.
If the server is under your control, add the origin of the requesting site to the set of domains permitted access by adding it to the Access-Control-Allow-Origin header's value. You can also configure a site to allow any site to access it by using the * wildcard. You should only use this for public APIs.
Use addHeader Instead of using setHeader method, response. addHeader("Access-Control-Allow-Origin", "*"); * in above line will allow access to all domains .
Simply activate the add-on and perform the request. CORS or Cross-Origin Resource Sharing is blocked in modern browsers by default (in JavaScript APIs). Installing this add-on will allow you to unblock this feature.
You can use cors middleware on your server.
Simplest way to use it is to add :
app.use(cors())
before all of your route handlers.
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