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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ash/printing/oauth2/authorization_server_data.h"
#include <string>
#include "base/containers/flat_map.h"
#include "base/values.h"
#include "chrome/browser/ash/printing/oauth2/constants.h"
#include "chrome/browser/ash/printing/oauth2/mock_client_ids_database.h"
#include "chrome/browser/ash/printing/oauth2/status_code.h"
#include "chrome/browser/ash/printing/oauth2/test_authorization_server.h"
#include "net/http/http_status_code.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/gurl.h"
namespace ash {
namespace printing {
namespace oauth2 {
namespace {
// Helper function that checks if `value_dict` contains a field `name` with
// a single-element list that contains a string equals `value`. It doesn't stop
// execution, just logs errors.
void ExpectOneElementListOfStrings(const base::Value::Dict& dict,
const std::string& name,
const std::string& value) {
const base::Value::List* list = dict.FindList(name);
ASSERT_TRUE(list);
ASSERT_EQ(list->size(), 1u);
ASSERT_TRUE(list->front().is_string());
EXPECT_EQ(list->front().GetString(), value);
}
TEST(PrintingOAuth2AuthorizationServerDataTest, InitialState) {
FakeAuthorizationServer server;
testing::StrictMock<MockClientIdsDatabase> client_ids_database;
AuthorizationServerData asd(server.GetURLLoaderFactory(),
GURL("https://a.b/c"), &client_ids_database);
EXPECT_EQ(asd.AuthorizationServerURI().spec(), "https://a.b/c");
EXPECT_EQ(asd.ClientId(), "");
EXPECT_TRUE(asd.AuthorizationEndpointURI().is_empty());
EXPECT_TRUE(asd.TokenEndpointURI().is_empty());
EXPECT_TRUE(asd.RegistrationEndpointURI().is_empty());
EXPECT_TRUE(asd.RevocationEndpointURI().is_empty());
EXPECT_FALSE(asd.IsReady());
}
TEST(PrintingOAuth2AuthorizationServerDataTest, MetadataRequest) {
FakeAuthorizationServer server;
testing::StrictMock<MockClientIdsDatabase> client_ids_database;
AuthorizationServerData asd(server.GetURLLoaderFactory(),
GURL("https://a.b/c"), &client_ids_database);
// Simulate fetching client_id from the database.
EXPECT_CALL(client_ids_database, FetchId)
.WillOnce([](const GURL& url, StatusCallback callback) {
EXPECT_EQ(url.spec(), "https://a.b/c");
std::move(callback).Run(StatusCode::kOK, "abc");
});
CallbackResult cr;
asd.Initialize(BindResult(cr));
// Simulate processing of Metadata Request (rfc8414, section 3).
ASSERT_EQ(
server.ReceiveGET("https://a.b/.well-known/oauth-authorization-server/c"),
"");
auto params =
BuildMetadata("https://a.b/c", "https://a/auth", "https://b/token",
"https://c/reg", "https://d/rev");
server.ResponseWithJSON(net::HttpStatusCode::HTTP_OK, params);
// Check the callback and the object.
ASSERT_EQ(cr.status, StatusCode::kOK);
EXPECT_TRUE(cr.data.empty());
EXPECT_EQ(asd.AuthorizationServerURI().spec(), "https://a.b/c");
EXPECT_EQ(asd.ClientId(), "abc");
EXPECT_EQ(asd.AuthorizationEndpointURI().spec(), "https://a/auth");
EXPECT_EQ(asd.TokenEndpointURI().spec(), "https://b/token");
EXPECT_EQ(asd.RegistrationEndpointURI().spec(), "https://c/reg");
EXPECT_EQ(asd.RevocationEndpointURI().spec(), "https://d/rev");
EXPECT_TRUE(asd.IsReady());
}
TEST(PrintingOAuth2AuthorizationServerDataTest, RegistrationRequest) {
FakeAuthorizationServer server;
testing::NiceMock<MockClientIdsDatabase> client_ids_database;
AuthorizationServerData asd(server.GetURLLoaderFactory(),
GURL("https://a.b/c"), &client_ids_database);
CallbackResult cr;
asd.Initialize(BindResult(cr));
// Simulate processing of Metadata Request (rfc8414, section 3).
ASSERT_EQ(
server.ReceiveGET("https://a.b/.well-known/oauth-authorization-server/c"),
"");
base::Value::Dict params =
BuildMetadata("https://a.b/c", "https://a/auth", "https://b/token",
"https://c/reg", "https://d/rev");
server.ResponseWithJSON(net::HttpStatusCode::HTTP_OK, params);
// Expect saving the new client id.
EXPECT_CALL(client_ids_database, StoreId)
.WillOnce([](const GURL& url, const std::string& id) {
EXPECT_EQ(url.spec(), "https://a.b/c");
EXPECT_EQ(id, "new_client_id");
});
// Simulate processing of Registration Request (rfc7591, section 3).
ASSERT_EQ(server.ReceivePOSTWithJSON("https://c/reg", params), "");
ExpectOneElementListOfStrings(params, "redirect_uris", kRedirectURI);
ExpectOneElementListOfStrings(params, "token_endpoint_auth_method", "none");
ExpectOneElementListOfStrings(params, "grant_types", "authorization_code");
ExpectOneElementListOfStrings(params, "response_types", "code");
params.Set("client_id", "new_client_id");
server.ResponseWithJSON(net::HttpStatusCode::HTTP_CREATED, params);
// Check the callback and the object.
ASSERT_EQ(cr.status, StatusCode::kOK);
EXPECT_TRUE(cr.data.empty());
EXPECT_EQ(asd.AuthorizationServerURI().spec(), "https://a.b/c");
EXPECT_EQ(asd.ClientId(), "new_client_id");
EXPECT_EQ(asd.AuthorizationEndpointURI().spec(), "https://a/auth");
EXPECT_EQ(asd.TokenEndpointURI().spec(), "https://b/token");
EXPECT_EQ(asd.RegistrationEndpointURI().spec(), "https://c/reg");
EXPECT_EQ(asd.RevocationEndpointURI().spec(), "https://d/rev");
EXPECT_TRUE(asd.IsReady());
}
} // namespace
} // namespace oauth2
} // namespace printing
} // namespace ash
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