RTCCertificateTest.mm

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/*

 *  Copyright 2018 The WebRTC project authors. All Rights Reserved.

 *  Use of this source code is governed by a BSD-style license

 *  that can be found in the LICENSE file in the root of the source

 *  tree. An additional intellectual property rights grant can be found

 *  in the file PATENTS.  All contributing project authors may

 *  be found in the AUTHORS file in the root of the source tree.

*/

#import <Foundation/Foundation.h>

#import <XCTest/XCTest.h>

#include <vector>

#include "rtc_base/gunit.h"

#import "api/peerconnection/RTCConfiguration+Private.h"

#import "api/peerconnection/RTCConfiguration.h"

#import "api/peerconnection/RTCIceServer.h"

#import "api/peerconnection/RTCMediaConstraints.h"

#import "api/peerconnection/RTCPeerConnection.h"

#import "api/peerconnection/RTCPeerConnectionFactory.h"

#import "helpers/NSString+StdString.h"

@interface RTCCertificateTest : XCTestCase

@end

@implementation RTCCertificateTest

- (void)testCertificateIsUsedInConfig {

  RTC_OBJC_TYPE(RTCConfiguration) *originalConfig = [[RTC_OBJC_TYPE(RTCConfiguration) alloc] init];

  NSArray *urlStrings = @[ @"stun:stun1.example.net" ];

  RTC_OBJC_TYPE(RTCIceServer) *server =

      [[RTC_OBJC_TYPE(RTCIceServer) alloc] initWithURLStrings:urlStrings];

  originalConfig.iceServers = @[ server ];

  // Generate a new certificate.

  RTC_OBJC_TYPE(RTCCertificate) *originalCertificate = [RTC_OBJC_TYPE(RTCCertificate)

      generateCertificateWithParams:@{@"expires" : @100000, @"name" : @"RSASSA-PKCS1-v1_5"}];

  // Store certificate in configuration.

  originalConfig.certificate = originalCertificate;

  RTC_OBJC_TYPE(RTCMediaConstraints) *contraints =

      [[RTC_OBJC_TYPE(RTCMediaConstraints) alloc] initWithMandatoryConstraints:@{}

                                                           optionalConstraints:nil];

  RTC_OBJC_TYPE(RTCPeerConnectionFactory) *factory =

      [[RTC_OBJC_TYPE(RTCPeerConnectionFactory) alloc] init];

  // Create PeerConnection with this certificate.

  RTC_OBJC_TYPE(RTCPeerConnection) *peerConnection =

      [factory peerConnectionWithConfiguration:originalConfig constraints:contraints delegate:nil];

  // Retrieve certificate from the configuration.

  RTC_OBJC_TYPE(RTCConfiguration) *retrievedConfig = peerConnection.configuration;

  // Extract PEM strings from original certificate.

  std::string originalPrivateKeyField = [[originalCertificate private_key] UTF8String];

  std::string originalCertificateField = [[originalCertificate certificate] UTF8String];

  // Extract PEM strings from certificate retrieved from configuration.

  RTC_OBJC_TYPE(RTCCertificate) *retrievedCertificate = retrievedConfig.certificate;

  std::string retrievedPrivateKeyField = [[retrievedCertificate private_key] UTF8String];

  std::string retrievedCertificateField = [[retrievedCertificate certificate] UTF8String];

  // Check that the original certificate and retrieved certificate match.

  EXPECT_EQ(originalPrivateKeyField, retrievedPrivateKeyField);

  EXPECT_EQ(retrievedCertificateField, retrievedCertificateField);

@end