移动端iOS常见问题解答

@interface DemoAyncTask : NSObject <GT3AsyncTaskProtocol>

@property (nonatomic, weak) id<DemoAyncTaskDelegate> delegate;

- (void)executeValidationTaskWithValidateParam:(GT3ValidationParam *)param completion:(void (^)(BOOL, GT3Error * _Nullable))completion;
- (void)executeRegisterTaskWithCompletion:(void (^)(GT3RegisterParameter * _Nullable, GT3Error * _Nullable))completion;

- (void)cancel;

@end

@implementation DemoAyncTask

- (void)executeValidationTaskWithValidateParam:(GT3ValidationParam *)param completion:(void (^)(BOOL, GT3Error * _Nullable))completion {
    /**
     *  TO-DO 处理result数据, 进行二次验证
     */
    __block NSMutableArray *postArray = [[NSMutableArray alloc] init];
    [param.result enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL * stop) {
        NSString *paramItem = [NSString stringWithFormat:@"%@=%@", key, obj];
        [postArray addObject:paramItem];
    }];
    
    NSString *postForm = [postArray componentsJoinedByString:@"&"];
    
    EnvModel *model = [EnvSettingCenter defaultCenter].currentEnv;
    
    NSDictionary *headerFields = @{@"Content-Type":@"application/x-www-form-urlencoded;charset=UTF-8"};
    NSMutableURLRequest *secondaryRequest = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:model.validateAPI] cachePolicy:NSURLRequestReloadIgnoringCacheData timeoutInterval:15.0];
    secondaryRequest.HTTPMethod = @"POST";
    secondaryRequest.allHTTPHeaderFields = headerFields;
    secondaryRequest.HTTPBody = [postForm dataUsingEncoding:NSUTF8StringEncoding];
    
    NSURLSession *session = [NSURLSession sharedSession];
    self.validateDataTask = [session dataTaskWithRequest:secondaryRequest completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
        
        NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *)response;
        if (!error && httpResponse.statusCode == 200) {
            NSError *err;
            NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableLeaves error:&err];
            if (!err) {
                NSString *status = [dict objectForKey:@"status"];
                if ([status isEqualToString:@"success"]) {
                    NSLog(@"通过业务流程");
                    
                    if (completion) {
                        completion(YES, nil);
                    }
                    
                    if (_delegate && [_delegate respondsToSelector:@selector(asyncTaskDidFinish:error:)]) {
                        [_delegate asyncTaskDidFinish:YES error:nil];
                    }
                }
                else {
                    if (completion) {
                        completion(NO, nil);
                    }
                    NSLog(@"无法通过业务流程");
                    
                    if (_delegate && [_delegate respondsToSelector:@selector(asyncTaskDidFinish:error:)]) {
                        [_delegate asyncTaskDidFinish:NO error:nil];
                    }
                }
            }
            else {
                GT3Error *anErr = [GT3Error errorWithDomainType:GT3ErrorTypeExtern originalError:err withGTDesciption:@"Error occur."];
                
                if (completion) {
                    completion(NO, anErr);
                }
                if (_delegate && [_delegate respondsToSelector:@selector(asyncTaskDidFinish:error:)]) {
                    [_delegate asyncTaskDidFinish:NO error:anErr];
                }
                NSLog(@"error:\n%@", err.localizedDescription);
            }
        }
        else {
            GT3Error *err = [GT3Error errorWithDomainType:GT3ErrorTypeExtern originalError:error withGTDesciption:@"Error occur."];
            
            if (completion) {
                completion(NO, err);
            }
            
            if (_delegate && [_delegate respondsToSelector:@selector(asyncTaskDidFinish:error:)]) {
                [_delegate asyncTaskDidFinish:NO error:err];
            }
            NSLog(@"error:\n%@", error.localizedDescription);
        }
    }];
    
    [self.validateDataTask resume];
}

- (void)executeRegisterTaskWithCompletion:(void (^)(GT3RegisterParameter * _Nullable, GT3Error * _Nullable))completion {
    EnvModel *model = [EnvSettingCenter defaultCenter].currentEnv;
    
    /**
     *  TO-DO 从接口解析是否开启极验3.0, 并解析和配置验证参数
     *  不要重复调用, 在交互上需要处理用户的短时间内多次点击的问题
     */
    NSString *ts = [NSString stringWithFormat:@"%.0f", [[NSDate date] timeIntervalSince1970] * 1000];
    NSURLQueryItem *queryItem = [NSURLQueryItem queryItemWithName:@"t" value:ts];
    NSURLComponents *comp = [NSURLComponents componentsWithURL:[NSURL URLWithString:model.registerAPI] resolvingAgainstBaseURL:NO];
    comp.queryItems = @[queryItem];
    NSURLRequest *request = [NSURLRequest requestWithURL:comp.URL];
    
    NSURLSession *session = [NSURLSession sharedSession];
    self.registerDataTask = [session dataTaskWithRequest:request completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
        if (!error) {
            NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:data options:(NSJSONReadingOptions)0 error:&error];
            
            if (!error && dict) {
                NSString *geetest_id = [dict objectForKey:@"gt"];
                NSString *geetest_challenge = [dict objectForKey:@"challenge"];
                NSNumber *geetest_success = [dict objectForKey:@"success"];
                
                if (geetest_id && geetest_challenge && geetest_success) {
                    GT3RegisterParameter *param = [[GT3RegisterParameter alloc] init];
                    param.gt        = geetest_id;
                    param.challenge = geetest_challenge;
                    param.success   = geetest_success;
                    
                    if (completion) {
                        completion(param, nil);
                    }
                }
            }
        }
        else {
            GT3Error *err = [GT3Error errorWithDomainType:GT3ErrorTypeExtern originalError:error withGTDesciption:@"Error occur."];
            
            if (completion) {
                completion(nil, err);
            }
            NSLog(@"error:\n%@", error.localizedDescription);
        }
    }];
    
    [self.registerDataTask resume];
}

- (void)cancel {
    if (self.registerDataTask) {
        [self.registerDataTask cancel];
    }

    if (self.validateDataTask) {
        [self.validateDataTask cancel];
    }
}

@end

- (GT3CaptchaManager *)manager {
    if (!_manager) {
        BOOL debugable = [EnvSettingCenter defaultCenter].debugEnable;
        BOOL httpsEnable = [EnvSettingCenter defaultCenter].httpsEnable;
        BOOL naEnable = [EnvSettingCenter defaultCenter].naNodeEnable;
        
        GT3LanguageType langType = [EnvSettingCenter defaultCenter].langType;
        EnvModel *model = [EnvSettingCenter defaultCenter].currentEnv;
        // 占位即可
        _manager = [[GT3CaptchaManager alloc] initWithAPI1:model.registerAPI API2:model.validateAPI timeout:5.0];
        _manager.delegate = self;
        _manager.viewDelegate = self;
        
        [_manager enableDebugMode:debugable];
        [_manager disableSecurityAuthentication:!httpsEnable];
        [_manager useLanguage:langType];
        if (naEnable) [_manager useServiceNode:GT3CaptchaServiceNodeNA];
        [_manager useVisualViewWithEffect:[UIBlurEffect effectWithStyle:UIBlurEffectStyleDark]];
        //        _manager.maskColor = [UIColor colorWithRed:0 green:0 blue:0 alpha:0.4];
    }
    return _manager;
}

- (void)_init {
    DemoAyncTask *asyncTask = [[DemoAyncTask alloc] init];
    asyncTask.delegate = self;
    [self.manager registerCaptchaWithCustomAsyncTask:asyncTask completion:nil];
    
    /// asyncTask 被管理器内部以弱引用方式持有，
    /// 所以需要开发者自己在调用类中保持，以保证管理器在后续流程中能正常访问到该对象
    self.asyncTask = asyncTask;
}

- (void)startCaptcha {
    [self.manager startGTCaptchaWithAnimated:YES];
}

- (void)stopCaptcha {
    [self.manager stopGTCaptcha];
}