I'm facing an issue where I am trying to retrieve a custom header sent from the server in my $http response interceptor. However, the only header that is accessible is the Content-type header. How can I troubleshoot this problem?
Here is part of my $http interceptor code:
response: function (response) {
var AuthToken = response.headers('AuthToken');
return response || $q.when(response);
},
The variable AuthToken is currently returning as undefined.
This problem arises due to CORS restrictions.
To resolve this, make sure to mention the specific headers you want to expose using Access-Control-Expose-Headers.
For instance,
Access-Control-Expose-Headers: AuthToken, AnotherCustomHeaderDepending on your server configuration, you can either set this globally in an .htaccess file for Apache servers:
<IfModule mod_headers.c>
Header set Access-Control-Expose-Headers AuthToken,AnotherCustomHeader
</IfModule>
Or define it for each request in your server-side code (e.g., PHP):
header('Access-Control-Expose-Headers: AuthToken, AnotherCustomHeader');
@slamborne, That sounds like a great idea. Especially for .Net developers
<system.webServer>
<httpProtocol>
<customHeaders>
<add name="Access-Control-Expose-Headers" value="AuthToken"/>
</customHeaders>
</httpProtocol>
</system.webServer>
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