qiniu · longbai · Jun 9, 2015 · Jun 9, 2015 · Jun 9, 2015
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -5,6 +5,7 @@
 ### 增加
 * 上传前 检查token
 * 支持指定服务器端口
+* 当发现服务器不是七牛时切换到指定IP
 
 ## 7.0.10 (2015-05-23)
 

diff --git a/QiniuSDK/Http/QNHttpManager.h b/QiniuSDK/Http/QNHttpManager.h
@@ -24,14 +24,16 @@
          withMimeType:(NSString *)mime
     withCompleteBlock:(QNCompleteBlock)completeBlock
     withProgressBlock:(QNInternalProgressBlock)progressBlock
-      withCancelBlock:(QNCancelBlock)cancelBlock;
+      withCancelBlock:(QNCancelBlock)cancelBlock
+              forceIp:(BOOL)forceIp;
 
 - (void)         post:(NSString *)url
              withData:(NSData *)data
            withParams:(NSDictionary *)params
           withHeaders:(NSDictionary *)headers
     withCompleteBlock:(QNCompleteBlock)completeBlock
     withProgressBlock:(QNInternalProgressBlock)progressBlock
-      withCancelBlock:(QNCancelBlock)cancelBlock;
+      withCancelBlock:(QNCancelBlock)cancelBlock
+              forceIp:(BOOL)forceIp;
 
 @end
diff --git a/QiniuSDK/Http/QNHttpManager.m b/QiniuSDK/Http/QNHttpManager.m
@@ -75,7 +75,8 @@ + (QNResponseInfo *)buildResponseInfo:(AFHTTPRequestOperation *)operation
 - (void)  sendRequest:(NSMutableURLRequest *)request
     withCompleteBlock:(QNCompleteBlock)completeBlock
     withProgressBlock:(QNInternalProgressBlock)progressBlock
-      withCancelBlock:(QNCancelBlock)cancelBlock{
+      withCancelBlock:(QNCancelBlock)cancelBlock
+forceIp:(BOOL) forceIp{
 	NSString *u = request.URL.absoluteString;
 	NSURL *url = request.URL;
 	__block NSString *ip = nil;
@@ -85,7 +86,7 @@ - (void)  sendRequest:(NSMutableURLRequest *)request
 		if (_backupIp != nil && ![_backupIp isEqualToString:@""]) {
 			NSString *host = url.host;
 			ip = [QNDns getAddress:host];
-			if ([ip isEqualToString:@""]) {
+			if ([ip isEqualToString:@""] || forceIp) {
 				ip = _backupIp;
 			}
 			NSString *path = url.path;
@@ -149,7 +150,8 @@ - (void)multipartPost:(NSString *)url
          withMimeType:(NSString *)mime
     withCompleteBlock:(QNCompleteBlock)completeBlock
     withProgressBlock:(QNInternalProgressBlock)progressBlock
-      withCancelBlock:(QNCancelBlock)cancelBlock {
+      withCancelBlock:(QNCancelBlock)cancelBlock
+forceIp:(BOOL) forceIp{
 	NSMutableURLRequest *request = [_httpManager.requestSerializer
 	                                multipartFormRequestWithMethod:@"POST"
 	                                                     URLString:url
@@ -162,7 +164,8 @@ - (void)multipartPost:(NSString *)url
 	[self sendRequest:request
 	    withCompleteBlock:completeBlock
 	    withProgressBlock:progressBlock
-     withCancelBlock:cancelBlock];
+     withCancelBlock:cancelBlock
+     forceIp:forceIp];
 }
 
 - (void)         post:(NSString *)url
@@ -171,7 +174,8 @@ - (void)         post:(NSString *)url
           withHeaders:(NSDictionary *)headers
     withCompleteBlock:(QNCompleteBlock)completeBlock
     withProgressBlock:(QNInternalProgressBlock)progressBlock
-      withCancelBlock:(QNCancelBlock)cancelBlock {
+      withCancelBlock:(QNCancelBlock)cancelBlock
+              forceIp:(BOOL) forceIp{
 	NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:[[NSURL alloc] initWithString:url]];
 	if (headers) {
 		[request setAllHTTPHeaderFields:headers];
@@ -186,7 +190,8 @@ - (void)         post:(NSString *)url
 	[self sendRequest:request
 	    withCompleteBlock:completeBlock
 	    withProgressBlock:progressBlock
-     withCancelBlock:cancelBlock];
+     withCancelBlock:cancelBlock
+     forceIp:forceIp];
 }
 
 @end
diff --git a/QiniuSDK/Http/QNResponseInfo.h b/QiniuSDK/Http/QNResponseInfo.h
@@ -108,6 +108,10 @@ extern const int kQNFileError;
  */
 @property (nonatomic, readonly) BOOL needSwitchServer;
 
+/**
+ *    是否为 七牛响应
+ */
+@property (nonatomic, readonly, getter = isNotQiniu) BOOL notQiniu;
 
 /**
  *    工厂函数，内部使用

diff --git a/QiniuSDK/Http/QNResponseInfo.m b/QiniuSDK/Http/QNResponseInfo.m
@@ -172,21 +172,25 @@ - (BOOL)isCancelled {
 	return _statusCode == kQNRequestCancelled || _statusCode == -999;
 }
 
+- (BOOL)isNotQiniu {
+	return (_statusCode >= 200 && _statusCode < 500) && _reqId == nil;
+}
+
 - (BOOL)isOK {
 	return _statusCode == 200 && _error == nil && _reqId != nil;
 }
 
 - (BOOL)isConnectionBroken {
 	// reqId is nill means the server is not qiniu
-	return _statusCode == kQNNetworkError;
+	return _statusCode == kQNNetworkError || (_statusCode < -1000 && _statusCode != -1003);
 }
 
 - (BOOL)needSwitchServer {
 	return _statusCode == kQNNetworkError || (_statusCode < -1000 && _statusCode != -1003) || (_statusCode / 100 == 5 && _statusCode != 579);
 }
 
 - (BOOL)couldRetry {
-	return (_statusCode >= 500 && _statusCode < 600 && _statusCode != 579) || _statusCode == kQNNetworkError || _statusCode == 996 || _statusCode == 406 || (_statusCode == 200 && _error != nil) || _statusCode < -1000;
+	return (_statusCode >= 500 && _statusCode < 600 && _statusCode != 579) || _statusCode == kQNNetworkError || _statusCode == 996 || _statusCode == 406 || (_statusCode == 200 && _error != nil) || _statusCode < -1000 || self.isNotQiniu;
 }
 
 @end
diff --git a/QiniuSDK/Http/QNSessionManager.h b/QiniuSDK/Http/QNSessionManager.h
@@ -19,15 +19,17 @@
          withMimeType:(NSString *)mime
     withCompleteBlock:(QNCompleteBlock)completeBlock
     withProgressBlock:(QNInternalProgressBlock)progressBlock
-      withCancelBlock:(QNCancelBlock)cancelBlock;
+      withCancelBlock:(QNCancelBlock)cancelBlock
+              forceIp:(BOOL)forceIp;
 
 - (void)         post:(NSString *)url
              withData:(NSData *)data
            withParams:(NSDictionary *)params
           withHeaders:(NSDictionary *)headers
     withCompleteBlock:(QNCompleteBlock)completeBlock
     withProgressBlock:(QNInternalProgressBlock)progressBlock
-      withCancelBlock:(QNCancelBlock)cancelBlock;
+      withCancelBlock:(QNCancelBlock)cancelBlock
+              forceIp:(BOOL)forceIp;
 
 @end
 

diff --git a/QiniuSDK/Http/QNSessionManager.m b/QiniuSDK/Http/QNSessionManager.m
@@ -132,7 +132,8 @@ + (QNResponseInfo *)buildResponseInfo:(NSHTTPURLResponse *)response
 - (void)  sendRequest:(NSMutableURLRequest *)request
     withCompleteBlock:(QNCompleteBlock)completeBlock
     withProgressBlock:(QNInternalProgressBlock)progressBlock
-      withCancelBlock:(QNCancelBlock)cancelBlock{
+      withCancelBlock:(QNCancelBlock)cancelBlock
+forceIp:(BOOL) forceIp{
 	__block NSDate *startTime = [NSDate date];
 	NSProgress *progress = nil;
 	__block NSString *host = request.URL.host;
@@ -147,7 +148,7 @@ - (void)  sendRequest:(NSMutableURLRequest *)request
 		if (_noProxy && _backupIp != nil && ![_backupIp isEqualToString:@""]) {
 			NSString *host = url.host;
 			ip = [QNDns getAddress:host];
-			if ([ip isEqualToString:@""]) {
+			if ([ip isEqualToString:@""] || forceIp) {
 				ip = _backupIp;
 			}
 			NSString *path = url.path;
@@ -212,7 +213,8 @@ - (void)multipartPost:(NSString *)url
          withMimeType:(NSString *)mime
     withCompleteBlock:(QNCompleteBlock)completeBlock
     withProgressBlock:(QNInternalProgressBlock)progressBlock
-      withCancelBlock:(QNCancelBlock)cancelBlock {
+      withCancelBlock:(QNCancelBlock)cancelBlock
+forceIp:(BOOL) forceIp{
 	NSMutableURLRequest *request = [_httpManager.requestSerializer
 	                                multipartFormRequestWithMethod:@"POST"
 	                                                     URLString:url
@@ -225,7 +227,8 @@ - (void)multipartPost:(NSString *)url
 	[self sendRequest:request
 	    withCompleteBlock:completeBlock
 	    withProgressBlock:progressBlock
-     withCancelBlock:cancelBlock];
+     withCancelBlock:cancelBlock
+     forceIp:forceIp];
 }
 
 - (void)         post:(NSString *)url
@@ -234,7 +237,8 @@ - (void)         post:(NSString *)url
           withHeaders:(NSDictionary *)headers
     withCompleteBlock:(QNCompleteBlock)completeBlock
     withProgressBlock:(QNInternalProgressBlock)progressBlock
-      withCancelBlock:(QNCancelBlock)cancelBlock {
+      withCancelBlock:(QNCancelBlock)cancelBlock
+forceIp:(BOOL) forceIp{
 	NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:[[NSURL alloc] initWithString:url]];
 	if (headers) {
 		[request setAllHTTPHeaderFields:headers];
@@ -250,7 +254,8 @@ - (void)         post:(NSString *)url
 		[self sendRequest:request
 		    withCompleteBlock:completeBlock
 		    withProgressBlock:progressBlock
-         withCancelBlock:cancelBlock];
+         withCancelBlock:cancelBlock
+         forceIp: forceIp];
 	});
 }
 

diff --git a/QiniuSDK/Http/QNhttpDelegate.h b/QiniuSDK/Http/QNhttpDelegate.h
@@ -18,14 +18,16 @@ typedef BOOL (^QNCancelBlock)(void);
          withMimeType:(NSString *)mime
     withCompleteBlock:(QNCompleteBlock)completeBlock
     withProgressBlock:(QNInternalProgressBlock)progressBlock
-      withCancelBlock:(QNCancelBlock)cancelBlock;
+      withCancelBlock:(QNCancelBlock)cancelBlock
+              forceIp:(BOOL)forceIp;
 
 - (void)         post:(NSString *)url
              withData:(NSData *)data
            withParams:(NSDictionary *)params
           withHeaders:(NSDictionary *)headers
     withCompleteBlock:(QNCompleteBlock)completeBlock
     withProgressBlock:(QNInternalProgressBlock)progressBlock
-      withCancelBlock:(QNCancelBlock)cancelBlock;
+      withCancelBlock:(QNCancelBlock)cancelBlock
+              forceIp:(BOOL)forceIp;
 
 @end
diff --git a/QiniuSDK/Storage/QNFormUpload.m b/QiniuSDK/Storage/QNFormUpload.m
@@ -95,6 +95,11 @@ - (void)put {
 			nextHost = _config.upHostBackup;
 		}
 
+		BOOL forceIp = NO;
+		if (info.isNotQiniu) {
+			forceIp = YES;
+		}
+
 		QNCompleteBlock retriedComplete = ^(QNResponseInfo *info, NSDictionary *resp) {
 			if (info.isOK) {
 				_option.progressHandler(_key, 1.0);
@@ -109,7 +114,8 @@ - (void)put {
 		               withMimeType:_option.mimeType
 		          withCompleteBlock:retriedComplete
 		          withProgressBlock:p
-		            withCancelBlock:_option.cancellationSignal];
+		            withCancelBlock:_option.cancellationSignal
+		                    forceIp:forceIp];
 	};
 
 	[_httpManager multipartPost:[NSString stringWithFormat:@"http://%@:%u/", _config.upHost, (unsigned int)_config.upPort]
@@ -119,7 +125,8 @@ - (void)put {
 	               withMimeType:_option.mimeType
 	          withCompleteBlock:complete
 	          withProgressBlock:p
-	            withCancelBlock:_option.cancellationSignal];
+	            withCancelBlock:_option.cancellationSignal
+	                    forceIp:NO];
 }
 
 @end
diff --git a/QiniuSDK/Storage/QNResumeUpload.m b/QiniuSDK/Storage/QNResumeUpload.m
@@ -39,6 +39,8 @@ @interface QNResumeUpload ()
 
 @property UInt32 chunkCrc;
 
+@property BOOL forceIp;
+
 - (void)makeBlock:(NSString *)uphost
            offset:(UInt32)offset
         blockSize:(UInt32)blockSize
@@ -89,6 +91,7 @@ - (instancetype)initWithData:(NSData *)data
 		_config = config;
 
 		_token = token;
+		_forceIp = NO;
 	}
 	return self;
 }
@@ -217,6 +220,10 @@ - (void)nextTask:(UInt32)offset retriedTimes:(int)retried host:(NSString *)host
 				nextHost = _config.upHostBackup;
 			}
 
+			if (info.isNotQiniu) {
+				_forceIp = YES;
+			}
+
 			[self nextTask:offset retriedTimes:retried + 1 host:nextHost];
 			return;
 		}
@@ -306,7 +313,8 @@ - (void)         post:(NSString *)url
              withData:(NSData *)data
     withCompleteBlock:(QNCompleteBlock)completeBlock
     withProgressBlock:(QNInternalProgressBlock)progressBlock {
-	[_httpManager post:url withData:data withParams:nil withHeaders:_headers withCompleteBlock:completeBlock withProgressBlock:progressBlock withCancelBlock:_option.cancellationSignal];
+	[_httpManager post:url withData:data withParams:nil withHeaders:_headers withCompleteBlock:completeBlock withProgressBlock:progressBlock withCancelBlock:_option.cancellationSignal
+	           forceIp:_forceIp];
 }
 
 - (void)run {

diff --git a/QiniuSDKTests/QNFormUploadTest.m b/QiniuSDKTests/QNFormUploadTest.m
@@ -14,13 +14,13 @@
 
 #import "QNTestConfig.h"
 
-@interface QNFormUploadTesT : XCTestCase
+@interface QNFormUploadTest : XCTestCase
 
 @property QNUploadManager *upManager;
 
 @end
 
-@implementation QNFormUploadTesT
+@implementation QNFormUploadTest
 
 - (void)setUp {
 	[super setUp];
@@ -229,4 +229,32 @@ - (void)testUrlConvert {
 	XCTAssert([@"FgoKnypncpQlV6tTVddq9EL49l4B" isEqualToString:testResp[@"key"]], @"Pass");
 }
 
+- (void)testDnsHijacking {
+	__block QNResponseInfo *testInfo = nil;
+	__block NSDictionary *testResp = nil;
+	__block NSString *key = nil;
+
+	QNConfiguration *config = [QNConfiguration build: ^(QNConfigurationBuilder *builder) {
+	    builder.zone = [[QNZone alloc] initWithUpHost:@"uphijacktest.qiniu.com" upHostBackup:@"uphijacktest.qiniu.com" upIp:[QNZone zone0].upIp];
+	}];
+
+	QNUploadManager *upManager = [[QNUploadManager alloc] initWithConfiguration:config];
+
+	NSData *data = [@"Hello, World!" dataUsingEncoding:NSUTF8StringEncoding];
+	[upManager putData:data key:nil token:g_token complete: ^(QNResponseInfo *info, NSString *k, NSDictionary *resp) {
+	    key = k;
+	    testInfo = info;
+	    testResp = resp;
+	} option:nil];
+
+	AGWW_WAIT_WHILE(testInfo == nil, 100.0);
+	NSLog(@"%@", testInfo);
+	NSLog(@"%@", testResp);
+	XCTAssert(key == nil, @"Pass");
+	XCTAssert(testInfo.isOK, @"Pass");
+	XCTAssert(testInfo.reqId, @"Pass");
+	XCTAssert([testInfo.host isEqual:@"uphijacktest.qiniu.com"], @"Pass");
+	XCTAssert([@"FgoKnypncpQlV6tTVddq9EL49l4B" isEqualToString:testResp[@"key"]], @"Pass");
+}
+
 @end