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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "chrome/browser/enterprise/platform_auth/extensible_enterprise_sso_entra.h"
#import <Foundation/Foundation.h>
#import "base/strings/sys_string_conversions.h"
#import "base/test/bind.h"
#import "components/policy/core/common/policy_logger.h"
#import "net/base/apple/http_response_headers_util.h"
#import "net/http/http_request_headers.h"
#import "net/http/http_util.h"
#import "testing/gtest/include/gtest/gtest.h"
#import "third_party/ocmock/OCMock/OCMock.h"
// namespace enterprise_auth::util {
namespace {
constexpr NSString* kSSOCookies = @"sso_cookies";
constexpr NSString* kExampleResponse =
@"{\"sso_cookies\":\"JSON formated "
@"object\",\"operation\":\"get_sso_cookies\",\"broker_version\":\"3.3.23\","
@"\"preferred_auth_config\":\"preferredAuthNotConfigured\",\"success\":"
@"\"1\",\"wpj_status\":\"notJoined\",\"operation_response_type\":"
@"\"operation_get_sso_cookies_response\",\"request_received_timestamp\":"
@"\"1736954944.2245578766\",\"extraDeviceInfo\":\"{}\",\"sso_extension_"
@"mode\":\"full\",\"device_mode\":\"personal\",\"response_gen_timestamp\":"
@"\"1736954944.7778768539\",\"platform_sso_status\":"
@"\"platformSSONotEnabled\"}";
constexpr char kExampleResponseHeaders1[] =
"{\"prt_headers\":[{\"header\":{\"x-ms-RefreshTokenCredential\":"
"\"refreshcredentialsvalue\"},\"home_account_id\":\"homeaccountid\"},{"
"\"header\":{\"x-ms-RefreshTokenCredential1\":\"refreshcredentialsvalue1\"}"
",\"home_account_id\":\"homeaccountid1\"}],\"device_headers\":[{\"header\":"
"{\"x-ms-DeviceCredential\":\"devicecredentials\"},\"tenant_id\":"
"\"tenantidvalue\"}]}";
constexpr char kExampleResponseHeaders2[] =
"{\"prt_headers\":[{\"header\":{},\"home_account_id\":\"homeaccountid\"},{"
"\"header\":{\"x-ms-RefreshTokenCredential1\":\"\"}"
",\"home_account_id\":\"homeaccountid1\"}],\"device_headers\":[{\"tenant_"
"id\":"
"\"tenantidvalue\"}]}";
constexpr char kRefreshTokenCredentialName[] = "x-ms-RefreshTokenCredential";
constexpr char kRefreshTokenCredentialName1[] = "x-ms-RefreshTokenCredential1";
constexpr char kDeviceCredentialName[] = "x-ms-DeviceCredential";
constexpr char kRefreshTokenCredentialValue[] = "refreshcredentialsvalue";
constexpr char kRefreshTokenCredentialValue1[] = "refreshcredentialsvalue1";
constexpr char kDeviceCredentialValue[] = "devicecredentials";
} // namespace
class ExtensibleEnterpriseSSOUtil : public testing::Test {
protected:
void SetUp() override {
auth_provider_ = [ASAuthorizationSingleSignOnProvider
authorizationProviderWithIdentityProviderURL:url_];
mock_auth_provider_ = [OCMockObject partialMockForObject:auth_provider_];
OCMStub([mock_auth_provider_ canPerformAuthorization]).andReturn(YES);
entra_delegate_ = [[SSOServiceEntraAuthControllerDelegate alloc]
initWithAuthorizationSingleSignOnProvider:mock_auth_provider_];
}
id mock_auth_provider() { return mock_auth_provider_; }
SSOServiceEntraAuthControllerDelegate* entra_delegate() {
return entra_delegate_;
}
NSURL* url() { return url_; }
private:
id mock_auth_provider_;
ASAuthorizationSingleSignOnProvider* auth_provider_;
SSOServiceEntraAuthControllerDelegate* entra_delegate_;
NSURL* url_ = [[NSURL alloc] initWithString:@"https://www.example.com/"];
};
TEST_F(ExtensibleEnterpriseSSOUtil, CreateRequestForUrl) {
ASAuthorizationSingleSignOnRequest* request =
[entra_delegate() createRequest];
NSArray* expectedOptions = @[
[NSURLQueryItem queryItemWithName:@"sso_url" value:url().absoluteString],
[NSURLQueryItem queryItemWithName:@"types_of_header" value:@"0"],
[NSURLQueryItem queryItemWithName:@"msg_protocol_ver" value:@"4"],
];
ASSERT_TRUE(request);
EXPECT_EQ(request.requestedOperation, @"get_sso_cookies");
EXPECT_TRUE([request.authorizationOptions isEqual:expectedOptions]);
EXPECT_EQ(request.userInterfaceEnabled, NO);
}
TEST_F(ExtensibleEnterpriseSSOUtil,
GetHeadersFromHttpResponseNoCrashWithNilResponse) {
auto auth_headers = [entra_delegate() getHeadersFromHttpResponse:nil];
ASSERT_TRUE(auth_headers.IsEmpty());
}
TEST_F(ExtensibleEnterpriseSSOUtil,
GetHeadersFromHttpResponseNoCrashWithMissingHeaders) {
// Setup response
NSHTTPURLResponse* response = [[NSHTTPURLResponse alloc] initWithURL:url()
statusCode:404
HTTPVersion:@""
headerFields:nil];
auto auth_headers = [entra_delegate() getHeadersFromHttpResponse:response];
ASSERT_TRUE(auth_headers.IsEmpty());
}
TEST_F(ExtensibleEnterpriseSSOUtil,
GetHeadersFromHttpResponseNoCrashWithMissingSSOCookieJSON) {
// Setup response
NSMutableDictionary* allHeaderFields = [NSJSONSerialization
JSONObjectWithData:[kExampleResponse
dataUsingEncoding:NSUTF8StringEncoding]
options:NSJSONReadingMutableContainers
error:nil];
NSHTTPURLResponse* response =
[[NSHTTPURLResponse alloc] initWithURL:url()
statusCode:404
HTTPVersion:@""
headerFields:allHeaderFields];
auto auth_headers = [entra_delegate() getHeadersFromHttpResponse:response];
ASSERT_TRUE(auth_headers.IsEmpty());
}
TEST_F(ExtensibleEnterpriseSSOUtil,
GetHeadersFromHttpResponseNoCrashWithInvalidSSOCookie) {
// Setup response
NSMutableDictionary* allHeaderFields = [NSJSONSerialization
JSONObjectWithData:[kExampleResponse
dataUsingEncoding:NSUTF8StringEncoding]
options:NSJSONReadingMutableContainers
error:nil];
[allHeaderFields setObject:@"{\"Invalid: json}" forKey:kSSOCookies];
NSHTTPURLResponse* response =
[[NSHTTPURLResponse alloc] initWithURL:url()
statusCode:404
HTTPVersion:@""
headerFields:allHeaderFields];
auto auth_headers = [entra_delegate() getHeadersFromHttpResponse:response];
ASSERT_TRUE(auth_headers.IsEmpty());
}
TEST_F(ExtensibleEnterpriseSSOUtil,
GetHeadersFromHttpResponseNoCrashWithValidEmptySSOCookie) {
// Setup response
NSMutableDictionary* allHeaderFields = [NSJSONSerialization
JSONObjectWithData:[kExampleResponse
dataUsingEncoding:NSUTF8StringEncoding]
options:NSJSONReadingMutableContainers
error:nil];
[allHeaderFields setObject:@"{}" forKey:kSSOCookies];
NSHTTPURLResponse* response =
[[NSHTTPURLResponse alloc] initWithURL:url()
statusCode:404
HTTPVersion:@""
headerFields:allHeaderFields];
auto auth_headers = [entra_delegate() getHeadersFromHttpResponse:response];
ASSERT_TRUE(auth_headers.IsEmpty());
}
TEST_F(ExtensibleEnterpriseSSOUtil,
GetHeadersFromHttpResponseNoCrashWithMissingInfoInSSOCookie) {
// Setup response
NSMutableDictionary* allHeaderFields = [NSJSONSerialization
JSONObjectWithData:[kExampleResponse
dataUsingEncoding:NSUTF8StringEncoding]
options:NSJSONReadingMutableContainers
error:nil];
NSString* headers_json = base::SysUTF8ToNSString(kExampleResponseHeaders2);
[allHeaderFields setObject:headers_json forKey:kSSOCookies];
NSHTTPURLResponse* response =
[[NSHTTPURLResponse alloc] initWithURL:url()
statusCode:404
HTTPVersion:@""
headerFields:allHeaderFields];
auto auth_headers = [entra_delegate() getHeadersFromHttpResponse:response];
ASSERT_TRUE(auth_headers.IsEmpty());
}
TEST_F(ExtensibleEnterpriseSSOUtil, GetHeadersFromHttpResponse) {
// Setup response
NSMutableDictionary* allHeaderFields = [NSJSONSerialization
JSONObjectWithData:[kExampleResponse
dataUsingEncoding:NSUTF8StringEncoding]
options:NSJSONReadingMutableContainers
error:nil];
NSString* headers_json = base::SysUTF8ToNSString(kExampleResponseHeaders1);
[allHeaderFields setObject:headers_json forKey:kSSOCookies];
NSHTTPURLResponse* response =
[[NSHTTPURLResponse alloc] initWithURL:url()
statusCode:404
HTTPVersion:@""
headerFields:allHeaderFields];
auto auth_headers = [entra_delegate() getHeadersFromHttpResponse:response];
{
auto refresh_token = auth_headers.GetHeader(kRefreshTokenCredentialName);
ASSERT_TRUE(refresh_token);
EXPECT_EQ(*refresh_token, std::string(kRefreshTokenCredentialValue));
}
{
auto refresh_token = auth_headers.GetHeader(kRefreshTokenCredentialName1);
ASSERT_TRUE(refresh_token);
EXPECT_EQ(*refresh_token, std::string(kRefreshTokenCredentialValue1));
}
{
auto refresh_token = auth_headers.GetHeader(kDeviceCredentialName);
ASSERT_TRUE(refresh_token);
EXPECT_EQ(*refresh_token, std::string(kDeviceCredentialValue));
}
}
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