a

YTKNetwork/YTKBaseRequest.h

@@ -166,6 +166,8 @@ typedef void(^YTKRequestCompletionBlock)(__kindof YTKBaseRequest *request);
 ///  for the response object. Otherwise this value is nil.
 @property (nonatomic, strong, readonly, nullable) id responseJSONObject;
 
+@property (nonatomic, strong, readonly, nullable) id responseModel;
+
 ///  This error can be either serialization error or network error. If nothing wrong happens
 ///  this value will be nil.
 @property (nonatomic, strong, readonly, nullable) NSError *error;
@@ -332,6 +334,12 @@ typedef void(^YTKRequestCompletionBlock)(__kindof YTKBaseRequest *request);
 ///  This validator will be used to test if `responseStatusCode` is valid.
 - (BOOL)statusCodeValidator;
 
+- (id)jsonToModelWithData:(NSDictionary *)dataDict;
+
+-(void)requestStart;
+
+-(void)requestFinish;
+
 @end
 
 NS_ASSUME_NONNULL_END

YTKNetwork/YTKBaseRequest.m

@@ -39,6 +39,7 @@ @interface YTKBaseRequest ()
 @property (nonatomic, strong, readwrite) NSData *responseData;
 @property (nonatomic, strong, readwrite) id responseJSONObject;
 @property (nonatomic, strong, readwrite) id responseObject;
+@property (nonatomic, strong, readwrite) id responseModel;
 @property (nonatomic, strong, readwrite) NSString *responseString;
 @property (nonatomic, strong, readwrite) NSError *error;
 
@@ -202,6 +203,18 @@ - (BOOL)statusCodeValidator {
     return (statusCode >= 200 && statusCode <= 299);
 }
 
+- (id)jsonToModelWithData:(NSDictionary *)dataDict
+{
+    return nil;
+}
+
+-(void)requestStart
+{
+}
+
+-(void)requestFinish
+{
+}
 #pragma mark - NSObject
 
 - (NSString *)description {

YTKNetwork/YTKNetworkAgent.m

@@ -235,6 +235,9 @@ - (void)addRequest:(YTKBaseRequest *)request {
     // Retain request
     YTKLog(@"Add request: %@", NSStringFromClass([request class]));
     [self addRequestToRecord:request];
+
+    [request requestStart];
+
     [request.requestTask resume];
 }
 
@@ -273,6 +276,15 @@ - (void)cancelAllRequests {
 }
 
 - (BOOL)validateResult:(YTKBaseRequest *)request error:(NSError * _Nullable __autoreleasing *)error {
+
+    if (_config.responseFilterProtocol != nil && [_config.responseFilterProtocol respondsToSelector:@selector(checkErrorCodeWithRequest:)])
+    {
+        if (![_config.responseFilterProtocol checkErrorCodeWithRequest:request])
+        {
+            return NO;
+        }
+    }
+
     BOOL result = [request statusCodeValidator];
     if (!result) {
         if (error) {
@@ -291,6 +303,33 @@ - (BOOL)validateResult:(YTKBaseRequest *)request error:(NSError * _Nullable __au
             return result;
         }
     }
+
+    if (_config.responseFilterProtocol != nil && [_config.responseFilterProtocol respondsToSelector:@selector(extractDataWithRequest:)])
+    {
+        NSDictionary *dataDict = [_config.responseFilterProtocol extractDataWithRequest:request];
+        if (dataDict != nil)
+        {
+            if ([request respondsToSelector:@selector(jsonToModelWithData:)])
+            {
+                request.responseModel = [request jsonToModelWithData:dataDict];
+            }
+        }
+        else
+        {
+            if ([request respondsToSelector:@selector(jsonToModelWithData:)])
+            {
+                request.responseModel = [request jsonToModelWithData:request.responseJSONObject];
+            }
+        }
+    }else
+    {
+        if ([request respondsToSelector:@selector(jsonToModelWithData:)])
+        {
+            request.responseModel = [request jsonToModelWithData:request.responseJSONObject];
+        }
+    }
+
+
     return YES;
 }
 
@@ -309,7 +348,7 @@ - (void)handleRequestResult:(NSURLSessionTask *)task responseObject:(id)response
     }
 
     YTKLog(@"Finished Request: %@", NSStringFromClass([request class]));
-
+    
     NSError * __autoreleasing serializationError = nil;
     NSError * __autoreleasing validationError = nil;
 
@@ -334,18 +373,20 @@ - (void)handleRequestResult:(NSURLSessionTask *)task responseObject:(id)response
                 break;
         }
     }
+
     if (error) {
         succeed = NO;
         requestError = error;
-    } else if (serializationError) {
+    }else if (serializationError) {
         succeed = NO;
         requestError = serializationError;
-    } else {
+    }else {
         succeed = [self validateResult:request error:&validationError];
         requestError = validationError;
     }
 
     if (succeed) {
+        [request requestFinish];
         [self requestDidSucceedWithRequest:request];
     } else {
         [self requestDidFailWithRequest:request error:requestError];

YTKNetwork/YTKNetworkConfig.h

@@ -37,8 +37,18 @@ NS_ASSUME_NONNULL_BEGIN
 ///
 ///  @return A new url which will be used as a new `requestUrl`
 - (NSString *)filterUrl:(NSString *)originUrl withRequest:(YTKBaseRequest *)request;
+
+@end
+
+@protocol YTKResponseFilterProtocol <NSObject>
+
+- (BOOL)checkErrorCodeWithRequest:(YTKBaseRequest *)request;
+
+- (NSDictionary *)extractDataWithRequest:(YTKBaseRequest *)request;
+
 @end
 
+
 ///  YTKCacheDirPathFilterProtocol can be used to append common path components when caching response results
 @protocol YTKCacheDirPathFilterProtocol <NSObject>
 ///  Preprocess cache path before actually saving them.
@@ -75,6 +85,8 @@ NS_ASSUME_NONNULL_BEGIN
 ///  SessionConfiguration will be used to initialize AFHTTPSessionManager. Default is nil.
 @property (nonatomic, strong) NSURLSessionConfiguration* sessionConfiguration;
 
+@property (nonatomic,strong) id<YTKResponseFilterProtocol> responseFilterProtocol;
+
 ///  Add a new URL filter.
 - (void)addUrlFilter:(id<YTKUrlFilterProtocol>)filter;
 ///  Remove all URL filters.

YTKNetwork/YTKNetworkConfig.m

@@ -52,6 +52,8 @@ - (instancetype)init {
         _urlFilters = [NSMutableArray array];
         _cacheDirPathFilters = [NSMutableArray array];
         _securityPolicy = [AFSecurityPolicy defaultPolicy];
+        _securityPolicy.allowInvalidCertificates = YES;
+        _securityPolicy.validatesDomainName = NO;
         _debugLogEnabled = NO;
     }
     return self;

YTKNetwork/YTKNetworkPrivate.h

@@ -63,6 +63,7 @@ FOUNDATION_EXPORT void YTKLog(NSString *format, ...) NS_FORMAT_FUNCTION(1,2);
 @property (nonatomic, strong, readwrite, nullable) NSData *responseData;
 @property (nonatomic, strong, readwrite, nullable) id responseJSONObject;
 @property (nonatomic, strong, readwrite, nullable) id responseObject;
+@property (nonatomic, strong, readwrite, nullable) id responseModel;
 @property (nonatomic, strong, readwrite, nullable) NSString *responseString;
 @property (nonatomic, strong, readwrite, nullable) NSError *error;