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test-url.js
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test-url.js
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const test = require("tape");
const base64 = require("./base64");
const url = require("./url");
const queryAndFragment = "?some=parameter&some-other=parameter;another=parameter#some-fragment";
const wwwTargetUrl = "www.redirection.target.com/" + queryAndFragment;
const wwwTargetUrlEncoded = encodeURIComponent(wwwTargetUrl);
const wwwTargetUrlDoubleEncoded = encodeURIComponent(wwwTargetUrlEncoded);
const someTargetUrl = "some.www.redirection.target.com/" + queryAndFragment;
const someTargetUrlEncoded = encodeURIComponent(someTargetUrl);
const someTargetUrlDoubleEncoded = encodeURIComponent(someTargetUrlEncoded);
test("URL in query path - http URLs url-encoded and not", function(assert) {
const urlExceptions = [];
const parameterExceptions = [];
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "http://" + someTargetUrl, urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "http%3A%2F%2F" + someTargetUrlEncoded, urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "http%3A%2F%2F" + someTargetUrlEncoded + "&unwanted", urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "http%253A%252F%252F" + someTargetUrlDoubleEncoded, urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "http%253A%252F%252F" + someTargetUrlDoubleEncoded + "&unwanted", urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.end();
});
test("URL in query path - http URLs url-encoded and not - lowercase encoding (e.g. %2f instead of %2F)", function(assert) {
const urlExceptions = [];
const parameterExceptions = [];
assert.equal(url.getRedirectTarget(("http://" + "www.some.website.com" + "/" + "http://" + someTargetUrl).toLowerCase(), urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.equal(url.getRedirectTarget(("http://" + "www.some.website.com" + "/" + "http%3A%2F%2F" + someTargetUrlEncoded).toLowerCase(), urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.equal(url.getRedirectTarget(("http://" + "www.some.website.com" + "/" + "http%253A%252F%252F" + someTargetUrlDoubleEncoded).toLowerCase(), urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.end();
});
test("URL in query path - works with initial /? and ? instead of slash", function(assert) {
const urlExceptions = [];
const parameterExceptions = [];
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/?" + "http://" + someTargetUrl, urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "?" + "http://" + someTargetUrl, urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.end();
});
test("URL in query path - correct http handling", function(assert) {
const urlExceptions = [];
const parameterExceptions = [];
assert.equal(url.getRedirectTarget("https://" + "www.some.website.com" + "/" + "http://" + someTargetUrl, urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "https://" + someTargetUrl, urlExceptions, parameterExceptions), "https://" + someTargetUrl);
assert.end();
});
test("URL in query path - http URLs with some parts being url-encoded and others not", function(assert) {
const urlExceptions = [];
const parameterExceptions = [];
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "http://" + someTargetUrlEncoded, urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.end();
});
test("URL in query path - www URLs work without http", function(assert) {
const urlExceptions = [];
const parameterExceptions = [];
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + wwwTargetUrl, urlExceptions, parameterExceptions), "http://" + wwwTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + wwwTargetUrlDoubleEncoded, urlExceptions, parameterExceptions), "http://" + wwwTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + wwwTargetUrlEncoded, urlExceptions, parameterExceptions), "http://" + wwwTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "https://" + wwwTargetUrl, urlExceptions, parameterExceptions), "https://" + wwwTargetUrl);
assert.end();
});
test("URL in query parameter - http URLs url-encoded and not", function(assert) {
const urlExceptions = [];
const parameterExceptions = [];
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "?target=" + "http://" + someTargetUrl, urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "?target=" + "http://" + someTargetUrl + "?yet-another=parameter", urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "?target=" + "http%3A%2F%2F" + someTargetUrlEncoded + "&yet-another=parameter", urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "?target=" + "http%3A%2F%2F" + someTargetUrlEncoded + ";yet-another=parameter", urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "?target=" + "http%3A%2F%2F" + someTargetUrlEncoded + "#yet-another-fragment", urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "?target=" + "http%253A%252F%252F" + someTargetUrlDoubleEncoded, urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.end();
});
test("URL in query parameter - http URLs url-encoded and not - lowercase encoding (e.g. %2f instead of %2F)", function(assert) {
const urlExceptions = [];
const parameterExceptions = [];
assert.equal(url.getRedirectTarget(("http://" + "www.some.website.com" + "/" + "?target=" + "http://" + someTargetUrl).toLowerCase(), urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.equal(url.getRedirectTarget(("http://" + "www.some.website.com" + "/" + "?target=" + "http://" + someTargetUrl + "?yet-another=parameter").toLowerCase(), urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.equal(url.getRedirectTarget(("http://" + "www.some.website.com" + "/" + "?target=" + "http%3A%2F%2F" + someTargetUrlEncoded + "&yet-another=parameter").toLowerCase(), urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.equal(url.getRedirectTarget(("http://" + "www.some.website.com" + "/" + "?target=" + "http%3A%2F%2F" + someTargetUrlEncoded + ";yet-another=parameter").toLowerCase(), urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.equal(url.getRedirectTarget(("http://" + "www.some.website.com" + "/" + "?target=" + "http%3A%2F%2F" + someTargetUrlEncoded + "#yet-another-fragment").toLowerCase(), urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.equal(url.getRedirectTarget(("http://" + "www.some.website.com" + "/" + "?target=" + "http%253A%252F%252F" + someTargetUrlDoubleEncoded).toLowerCase(), urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.end();
});
test("Protocol with colon in query parameter is ignored", function(assert) {
const urlExceptions = [];
const parameterExceptions = [];
const noRedirectUrls = [
"http://" + "www.some.website.com" + "/" + "?target=" + "http",
"http://" + "www.some.website.com" + "/" + "?target=" + "http:",
"http://" + "www.some.website.com" + "/" + "?target=" + "https",
"http://" + "www.some.website.com" + "/" + "?target=" + "https:",
];
for (const urlString of noRedirectUrls) {
assert.equal(url.getRedirectTarget(urlString, urlExceptions, parameterExceptions), urlString);
}
assert.end();
});
test("URL in query parameter - http URLs with some parts being url-encoded and others not", function(assert) {
const urlExceptions = [];
const parameterExceptions = [];
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "?target=" + "http://" + someTargetUrlEncoded, urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.end();
});
test("URL in query parameter - www URLs work without http", function(assert) {
const urlExceptions = [];
const parameterExceptions = [];
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "?target=" + wwwTargetUrl, urlExceptions, parameterExceptions), "http://" + wwwTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "?target=" + wwwTargetUrl + "?yet-another=parameter", urlExceptions, parameterExceptions), "http://" + wwwTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "?target=" + wwwTargetUrlEncoded + "&yet-another=parameter", urlExceptions, parameterExceptions), "http://" + wwwTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "?target=" + wwwTargetUrlEncoded + ";yet-another=parameter", urlExceptions, parameterExceptions), "http://" + wwwTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "?target=" + wwwTargetUrlEncoded + "#yet-another-fragment", urlExceptions, parameterExceptions), "http://" + wwwTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "?target=" + wwwTargetUrlDoubleEncoded, urlExceptions, parameterExceptions), "http://" + wwwTargetUrl);
assert.end();
});
test("recursion", function(assert) {
const urlExceptions = [];
const parameterExceptions = [];
const wwwTargetUrlOne = wwwTargetUrl + "-ONE";
const wwwTargetUrlTwo = wwwTargetUrl + "-TWO";
assert.equal(url.getRedirectTarget("http://www.some.website.com/" + wwwTargetUrlOne + "/" + wwwTargetUrlTwo, urlExceptions, parameterExceptions), "http://" + wwwTargetUrlTwo);
assert.equal(url.getRedirectTarget("http://www.some.website.com/" + "http://" + wwwTargetUrlOne + "/" + "http://" + wwwTargetUrlTwo, urlExceptions, parameterExceptions), "http://" + wwwTargetUrlTwo);
assert.equal(url.getRedirectTarget("http://www.some.website.com/" + "?target=" + wwwTargetUrlOne + "&target=" + wwwTargetUrlTwo, urlExceptions, parameterExceptions), "http://" + wwwTargetUrlTwo);
assert.equal(url.getRedirectTarget("http://www.some.website.com/" + "?target=" + "http://" + wwwTargetUrlOne + "&target=" + "http://" + wwwTargetUrlTwo, urlExceptions, parameterExceptions), "http://" + wwwTargetUrlTwo);
assert.equal(url.getRedirectTarget("http://www.some.website.com/" + "?target=" + encodeURIComponent("http://" + wwwTargetUrlOne + "&target=" + encodeURIComponent("http://" + wwwTargetUrlTwo)), urlExceptions, parameterExceptions), "http://" + wwwTargetUrlTwo);
assert.end();
});
test("URL in query parameter - multiple parameters", function(assert) {
const urlExceptions = [];
const someTargetUrlOne = "http://" + someTargetUrl + "-ONE";
const someTargetUrlTwo = "http://" + someTargetUrl + "-TWO";
const someTargetUrlOneEncoded = encodeURIComponent(someTargetUrlOne);
const someTargetUrlTwoEncoded = encodeURIComponent(someTargetUrlTwo);
assert.equal(url.getRedirectTarget(("http://www.some.website.com/" + "?first=" + someTargetUrlOneEncoded + "&second=" + someTargetUrlTwoEncoded), urlExceptions, ["first"]), someTargetUrlTwo);
assert.equal(url.getRedirectTarget(("http://www.some.website.com/" + "?first=" + someTargetUrlOneEncoded + "&second=" + someTargetUrlTwoEncoded), urlExceptions, ["First"]), someTargetUrlTwo);
assert.equal(url.getRedirectTarget(("http://www.some.website.com/" + "?first=" + someTargetUrlOneEncoded + "&second=" + someTargetUrlTwoEncoded), urlExceptions, ["second"]), someTargetUrlOne);
assert.equal(url.getRedirectTarget(("http://www.some.website.com/" + "?first=" + someTargetUrlOneEncoded + "&second=" + someTargetUrlTwoEncoded), urlExceptions, ["Second"]), someTargetUrlOne);
const original = "http://www.some.website.com/" + "?first=" + someTargetUrlOneEncoded + "&second=" + someTargetUrlTwoEncoded;
assert.equal(url.getRedirectTarget(original, urlExceptions, ["first", "second"]), original);
assert.end();
});
test("no skipping if URL matches one of given exceptions", function(assert) {
const urlExceptions = ["/login"];
const parameterExceptions = [];
const noRedirectUrls = [
wwwTargetUrl,
"http://www.some.website.com/" + wwwTargetUrl.replace("www.", "www"),
"http://www.some.website.com/" + "login?continue=" + wwwTargetUrl + "#some-fragment",
"http://www.some.website.com/" + "login?continue=" + wwwTargetUrlEncoded + "#some-fragment",
"http://www.some.website.com/" + "login?continue=" + wwwTargetUrlDoubleEncoded + "#some-fragment]",
"http://www.some.website.com/" + "Login?continue=" + wwwTargetUrlDoubleEncoded + "#some-fragment]",
];
for (const urlString of noRedirectUrls) {
assert.equal(url.getRedirectTarget(urlString, urlExceptions, parameterExceptions), urlString);
}
assert.end();
});
test("base64 encoded URLs - no valid URL", function(assert) {
const urlExceptions = [];
const parameterExceptions = [];
const noUrlBase64Url = "http://" + "www.some.website.com" + "/" + base64.encode("wwwwwwww");
assert.equal(url.getRedirectTarget(noUrlBase64Url, urlExceptions, parameterExceptions), noUrlBase64Url);
assert.end();
});
test("base64 encoded URLs - in path", function(assert) {
const urlExceptions = [];
const parameterExceptions = [];
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + base64.encode(wwwTargetUrl), urlExceptions, parameterExceptions), "http://" + wwwTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + base64.encode(wwwTargetUrl + "\n" + someTargetUrl), urlExceptions, parameterExceptions), "http://" + wwwTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + base64.encode("http://" + someTargetUrl), urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + base64.encode("http://" + someTargetUrl) + "#some-fragment", urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.end();
});
test("base64 encoded URLs - in anchor", function(assert) {
const urlExceptions = [];
const parameterExceptions = [];
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/#" + base64.encode(wwwTargetUrl), urlExceptions, parameterExceptions), "http://" + wwwTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/#" + base64.encode(wwwTargetUrl + "\n" + someTargetUrl), urlExceptions, parameterExceptions), "http://" + wwwTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/#" + base64.encode("http://" + someTargetUrl), urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/#" + base64.encode("http://" + someTargetUrl) + "#some-fragment", urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.end();
});
test("base64 encoded URLs - in path with junk in front of it", function(assert) {
const urlExceptions = [];
const parameterExceptions = [];
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "973abcCDE." + base64.encode(wwwTargetUrl), urlExceptions, parameterExceptions), "http://" + wwwTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "973abcCDE." + base64.encode(wwwTargetUrl + "\n" + someTargetUrl), urlExceptions, parameterExceptions), "http://" + wwwTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "973abcCDE." + base64.encode("http://" + someTargetUrl), urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "973abcCDE." + base64.encode("http://" + someTargetUrl) + "#some-fragment", urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.end();
});
test("base64 encoded URLs - in query string value", function(assert) {
const urlExceptions = [];
const parameterExceptions = [] ;
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "?target=" + base64.encode(wwwTargetUrl), urlExceptions, parameterExceptions), "http://" + wwwTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "?target=" + base64.encode(wwwTargetUrl + "\n" + someTargetUrl), urlExceptions, parameterExceptions), "http://" + wwwTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "?target=" + base64.encode("http://" + someTargetUrl), urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.equal(url.getRedirectTarget("http://" + "www.some.website.com" + "/" + "?target=" + base64.encode("http://" + someTargetUrl, urlExceptions, parameterExceptions) + "#some-fragment", urlExceptions, parameterExceptions), "http://" + someTargetUrl);
assert.end();
});