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Set WWW-Authenticate header for invalid requests #96

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Jan 7, 2022
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6 changes: 6 additions & 0 deletions lib/handlers/authenticate-handler.js
Original file line number Diff line number Diff line change
Expand Up @@ -90,6 +90,12 @@ AuthenticateHandler.prototype.handle = function(request, response) {
// @see https://tools.ietf.org/html/rfc6750#section-3.1
if (e instanceof UnauthorizedRequestError) {
response.set('WWW-Authenticate', 'Bearer realm="Service"');
} else if (e instanceof InvalidRequestError) {
response.set('WWW-Authenticate', 'Bearer realm="Service",error="invalid_request"');
} else if (e instanceof InvalidTokenError) {
response.set('WWW-Authenticate', 'Bearer realm="Service",error="invalid_token"');
} else if (e instanceof InsufficientScopeError) {
response.set('WWW-Authenticate', 'Bearer realm="Service",error="insufficient_scope"');
}

if (!(e instanceof OAuthError)) {
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51 changes: 51 additions & 0 deletions test/integration/handlers/authenticate-handler_test.js
Original file line number Diff line number Diff line change
Expand Up @@ -132,6 +132,57 @@ describe('AuthenticateHandler integration', function() {
});
});

it('should set the `WWW-Authenticate` header if an InvalidRequestError is thrown', function() {
const model = {
getAccessToken: function() {
throw new InvalidRequestError();
}
};
const handler = new AuthenticateHandler({ model: model });
const request = new Request({ body: {}, headers: { 'Authorization': 'Bearer foo' }, method: {}, query: {} });
const response = new Response({ body: {}, headers: {} });

return handler.handle(request, response)
.then(should.fail)
.catch(function() {
response.get('WWW-Authenticate').should.equal('Bearer realm="Service",error="invalid_request"');
});
});

it('should set the `WWW-Authenticate` header if an InvalidTokenError is thrown', function() {
const model = {
getAccessToken: function() {
throw new InvalidTokenError();
}
};
const handler = new AuthenticateHandler({ model: model });
const request = new Request({ body: {}, headers: { 'Authorization': 'Bearer foo' }, method: {}, query: {} });
const response = new Response({ body: {}, headers: {} });

return handler.handle(request, response)
.then(should.fail)
.catch(function() {
response.get('WWW-Authenticate').should.equal('Bearer realm="Service",error="invalid_token"');
});
});

it('should set the `WWW-Authenticate` header if an InsufficientScopeError is thrown', function() {
const model = {
getAccessToken: function() {
throw new InsufficientScopeError();
}
};
const handler = new AuthenticateHandler({ model: model });
const request = new Request({ body: {}, headers: { 'Authorization': 'Bearer foo' }, method: {}, query: {} });
const response = new Response({ body: {}, headers: {} });

return handler.handle(request, response)
.then(should.fail)
.catch(function() {
response.get('WWW-Authenticate').should.equal('Bearer realm="Service",error="insufficient_scope"');
});
});

it('should throw the error if an oauth error is thrown', function() {
const model = {
getAccessToken: function() {
Expand Down