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/**
* -------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All Rights Reserved. Licensed under the MIT License.
* See License in the project root for license information.
* -------------------------------------------------------------------------------------------
*/
import { assert } from "chai";
import { Context } from "../../src/IContext";
import { MiddlewareControl } from "../../src/middleware/MiddlewareControl";
import { RedirectHandlerOptions } from "../../src/middleware/options/RedirectHandlerOptions";
import { RedirectHandler } from "../../src/middleware/RedirectHandler";
import { DummyHTTPMessageHandler } from "../DummyHTTPMessageHandler";
const redirectHandlerOptions = new RedirectHandlerOptions();
const redirectHandler = new RedirectHandler();
describe("RedirectHandler.ts", () => {
/* tslint:disable: no-string-literal */
describe("constructor", () => {
it("Should create an instance with given options", () => {
const handler = new RedirectHandler(redirectHandlerOptions);
assert.isDefined(handler["options"]);
});
it("Should create an instance with default set of options", () => {
const handler = new RedirectHandler();
assert.isDefined(handler["options"]);
});
});
describe("isRedirect", () => {
it("Should return true for response having 301 status code", () => {
const response = new Response("Dummy", {
status: 301,
});
assert.isTrue(redirectHandler["isRedirect"](response));
});
it("Should return true for response having 302 status code", () => {
const response = new Response("Dummy", {
status: 302,
});
assert.isTrue(redirectHandler["isRedirect"](response));
});
it("Should return true for response having 303 status code", () => {
const response = new Response("Dummy", {
status: 303,
});
assert.isTrue(redirectHandler["isRedirect"](response));
});
it("Should return true for response having 307 status code", () => {
const response = new Response("Dummy", {
status: 307,
});
assert.isTrue(redirectHandler["isRedirect"](response));
});
it("Should return true for response having 308 status code", () => {
const response = new Response("Dummy", {
status: 308,
});
assert.isTrue(redirectHandler["isRedirect"](response));
});
it("Should return false for non redirect status codes", () => {
const response = new Response("Dummy", {
status: 200,
});
assert.isFalse(redirectHandler["isRedirect"](response));
});
});
describe("hasLocationHeader", () => {
it("Should return true for response with location header", () => {
const res = new Response("Dummy", {
status: 301,
headers: {
location: "https://dummylocation.microsoft.com",
},
});
assert.isTrue(redirectHandler["hasLocationHeader"](res));
});
it("Should return false for response without location header", () => {
const res = new Response("Dummy", {
status: 301,
});
assert.isFalse(redirectHandler["hasLocationHeader"](res));
});
});
describe("getLocationHeader", () => {
it("Should return location from response", () => {
const location = "https://dummylocation.microsoft.com";
const res = new Response("Dummy", {
status: 301,
headers: {
location,
},
});
assert.equal(redirectHandler["getLocationHeader"](res), location);
});
it("Should return null for response without location header", () => {
const res = new Response("Dummy", {
status: 301,
});
assert.equal(redirectHandler["getLocationHeader"](res), null);
});
});
describe("isRelativeURL", () => {
it("Should return true for a relative url", () => {
const url = "/graphproxy/me";
assert.isTrue(redirectHandler["isRelativeURL"](url));
});
it("Should return false for a absolute url", () => {
const url = "https://graph.microsoft.com/v1.0/graphproxy/me";
assert.isFalse(redirectHandler["isRelativeURL"](url));
});
});
describe("shouldDropAuthorizationHeader", () => {
it("Should return true for urls with different domain", () => {
const requestUrl = "https://graph.microsoft.com/v1.0/me";
const redirectedUrl = "https://graphredirection.microsoft.com/v1.0/me";
assert.isTrue(redirectHandler["shouldDropAuthorizationHeader"](requestUrl, redirectedUrl));
});
it("Should return true for urls with different domain and one without path", () => {
const requestUrl = "https://graph.microsoft.com/v1.0/me";
const redirectedUrl = "https://graphredirection.microsoft.com/";
assert.isTrue(redirectHandler["shouldDropAuthorizationHeader"](requestUrl, redirectedUrl));
});
it("Should return true for urls with different domain without path", () => {
const requestUrl = "https://graph.microsoft.com/";
const redirectedUrl = "https://graphredirection.microsoft.com";
assert.isTrue(redirectHandler["shouldDropAuthorizationHeader"](requestUrl, redirectedUrl));
});
it("Should return false relative urls", () => {
const requestUrl = "/graph/me/";
const redirectedUrl = "/graphRedirection/me";
assert.isFalse(redirectHandler["shouldDropAuthorizationHeader"](requestUrl, redirectedUrl));
});
it("Should return false redirect url is relative", () => {
const requestUrl = "https://graph.microsoft.com/v1.0/me";
const redirectedUrl = "/graphRedirection";
assert.isFalse(redirectHandler["shouldDropAuthorizationHeader"](requestUrl, redirectedUrl));
});
it("Should return false for urls with same domain", () => {
const requestUrl = "https://graph.microsoft.com/v1.0/me";
const redirectedUrl = "https://graph.microsoft.com/v2.0/me";
assert.isFalse(redirectHandler["shouldDropAuthorizationHeader"](requestUrl, redirectedUrl));
});
});
describe("getOptions", () => {
it("Should return the options in the context object", () => {
const maxRedirects = 10;
const shouldRedirect = () => false;
const options = new RedirectHandlerOptions(maxRedirects, shouldRedirect);
const cxt: Context = {
request: "url",
middlewareControl: new MiddlewareControl([options]),
};
const o = redirectHandler["getOptions"](cxt);
assert.equal(o.maxRedirects, maxRedirects);
assert.equal(o.shouldRedirect, shouldRedirect);
});
it("Should return the default set of options in the middleware", () => {
const cxt: Context = {
request: "url",
};
const o = redirectHandler["getOptions"](cxt);
assert.equal(o.maxRedirects, redirectHandler["options"].maxRedirects);
assert.equal(o.shouldRedirect, redirectHandler["options"].shouldRedirect);
});
});
describe("executeWithRedirect", async () => {
const context: Context = {
request: "/me",
options: {
method: "GET",
},
};
const dummyHTTPHandler = new DummyHTTPMessageHandler();
const handler = new RedirectHandler();
handler.setNext(dummyHTTPHandler);
it("Should not redirect for the redirect count equal to maxRedirects", async () => {
const maxRedirect = 1;
const options = new RedirectHandlerOptions(maxRedirect);
dummyHTTPHandler.setResponses([new Response("", { status: 301 }), new Response("ok", { status: 200 })]);
await handler["executeWithRedirect"](context, maxRedirect, options);
assert.equal(context.response.status, 301);
});
it("Should not redirect for the non redirect response", async () => {
const options = new RedirectHandlerOptions();
dummyHTTPHandler.setResponses([new Response("", { status: 200 })]);
await handler["executeWithRedirect"](context, 0, options);
assert.equal(context.response.status, 200);
});
it("Should not redirect for the redirect response without location header", async () => {
const options = new RedirectHandlerOptions();
dummyHTTPHandler.setResponses([new Response("", { status: 301 }), new Response("ok", { status: 200 })]);
await handler["executeWithRedirect"](context, 0, options);
assert.equal(context.response.status, 301);
});
it("Should not redirect for shouldRedirect callback returning false", async () => {
const options = new RedirectHandlerOptions(undefined, () => false);
dummyHTTPHandler.setResponses([new Response("", { status: 301 }), new Response("ok", { status: 200 })]);
await handler["executeWithRedirect"](context, 0, options);
assert.equal(context.response.status, 301);
});
it("Should drop body and change method to get for SEE_OTHER status code", async () => {
const options = new RedirectHandlerOptions();
const cxt: Context = {
request: "/me",
options: {
method: "POST",
body: "dummy body",
},
};
dummyHTTPHandler.setResponses([
new Response("", {
status: 303,
headers: {
[RedirectHandler["LOCATION_HEADER"]]: "/location",
},
}),
new Response("ok", { status: 200 }),
]);
await handler["executeWithRedirect"](context, 0, options);
assert.isUndefined(context.options.body);
assert.equal(context.options.method, "GET");
assert.equal(context.response.status, 200);
});
it("Should not drop Authorization header for relative url redirect", async () => {
const options = new RedirectHandlerOptions();
const cxt: Context = {
request: "/me",
options: {
method: "POST",
body: "dummy body",
headers: {
[RedirectHandler["AUTHORIZATION_HEADER"]]: "Bearer TEST",
},
},
};
dummyHTTPHandler.setResponses([
new Response("", {
status: 301,
headers: {
[RedirectHandler["LOCATION_HEADER"]]: "/location",
},
}),
new Response("ok", { status: 200 }),
]);
await handler["executeWithRedirect"](cxt, 0, options);
assert.isDefined(cxt.options.headers[RedirectHandler["AUTHORIZATION_HEADER"]]);
assert.equal(cxt.response.status, 200);
});
it("Should not drop Authorization header for same authority redirect url", async () => {
const options = new RedirectHandlerOptions();
const cxt: Context = {
request: "https://graph.microsoft.com/v1.0/me",
options: {
method: "POST",
body: "dummy body",
headers: {
[RedirectHandler["AUTHORIZATION_HEADER"]]: "Bearer TEST",
},
},
};
dummyHTTPHandler.setResponses([
new Response("", {
status: 301,
headers: {
[RedirectHandler["LOCATION_HEADER"]]: "https://graph.microsoft.com/v2.0/me",
},
}),
new Response("ok", { status: 200 }),
]);
await handler["executeWithRedirect"](cxt, 0, options);
assert.isDefined(cxt.options.headers[RedirectHandler["AUTHORIZATION_HEADER"]]);
assert.equal(cxt.response.status, 200);
});
it("Should return success response after successful redirect", async () => {
const options = new RedirectHandlerOptions();
const cxt: Context = {
request: "https://graph.microsoft.com/v1.0/me",
options: {
method: "POST",
body: "dummy body",
},
};
dummyHTTPHandler.setResponses([
new Response(null, {
status: 301,
headers: {
[RedirectHandler["LOCATION_HEADER"]]: "https://graphredirect.microsoft.com/v1.0/me",
},
}),
new Response("ok", { status: 200 }),
]);
await handler["executeWithRedirect"](cxt, 0, options);
assert.equal(cxt.response.status, 200);
});
});
describe("execute", async () => {
it("Should set the redirect value in options to manual", async () => {
const context: Context = {
request: "/me",
options: {
method: "GET",
},
};
const dummyHTTPHandler = new DummyHTTPMessageHandler();
const handler = new RedirectHandler();
handler.setNext(dummyHTTPHandler);
dummyHTTPHandler.setResponses([new Response("", { status: 200 })]);
await handler.execute(context);
assert.equal(context.options.redirect, RedirectHandler["MANUAL_REDIRECT"]);
});
});
/* tslint:enable: no-string-literal */
});