![]() Let’s say we want to access, which is not allowing our origin from localhost. We will also set up an Angular Service to use that API Endpoint to get data. The suggested method is to set up an Angular Constant to point at the API we’re trying to proxy out. We can make this a bit easier by using some gulp tasks using the replace module to swap out the URLs. In our app, we will need to replace our endpoint URLS to be set to the proxy server address for when we are running serve or run -l. This will tell our Ionic server to listen to those paths and forward those requests on to the destination url. Please note, these are only needed for ionic serve and ionic run -l.įirst we will need to set up the proxies in our ionic.project file. It is important to note that the browser adds in the Origin header. Since the server is sending a fresh request to your destination, there will be no origin and therefore, no CORS needed. The Ionic CLI introduced the ability to have a proxy server issue requests for you to get around any CORS issues you may have. Will take our requests, issue a new request to the API endpoint, receive the response, and forward it back to our app so we can get around CORS issues. What we’d need to do to get around these CORS issues is have a proxy server that In computer networks, a proxy server is a server (a computer system or an application) that acts as an intermediary for requests from clients seeking resources from other servers. Let’s look how the Ionic CLI providesĪn easily configurable proxy server. What we need, then, is a request that does not specify an origin. However, we can’t always control the endpoint we are accessing. There are two ways to solve the issue: The first, and easier, solution is to just allow all origins from your API endpoint. ![]() Dealing with CORS in IonicĬORS is only an issue when we are running or testing our app when running ionic serve or ionic run -l.
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