AFNetworking 支援cookies的解決方案
AFNetworking是支援cookies，只不過它把這個邏輯交給了iOS 底層的api處理了。
多話不說了，很討厭網上那些人云亦云的帖子，三人成虎！
本次我們的專案重構，需要用到cookies，我直接給出解決方案吧：
（cookie使用支援的簡單思路是：首次請求時，伺服器取回cookies,然後每次請求時附加上cookie，如此反覆即可，至於cookies中有啥內容，我們不用關注，伺服器要就給她）
我使用的是AFNetworking的AFHTTPClient進行網路訪問的，我就直接在AFHTTPClient.h新增兩個支援cookies的方法，一個是為post寫的，另一個是為get寫的。
1、在AFHTTPClient.h新增兩個支援cookies的方法，每次請求時，都傳送出本地cookies
1 2 3 4 5 | // add by block cheng- (void)blockGetPath:(NSString *)path parameters:(NSDictionary *)parameters success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure; |
1 2 3 4 5 | //add by block cheng- (void)blockPostPath:(NSString *)path parameters:(NSDictionary *)parameters success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure; |
其實現是：
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | - (void)blockGetPath:(NSString *)path parameters:(NSDictionary *)parameters success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure{ if (!path) { path = @""; } NSArray *arcCookies = [NSKeyedUnarchiver unarchiveObjectWithData: [[NSUserDefaults standardUserDefaults] objectForKey: @"sessionCookies"]]; NSHTTPCookieStorage *cookieStorage = [NSHTTPCookieStorage sharedHTTPCookieStorage]; for (NSHTTPCookie *cookie in arcCookies){ [cookieStorage setCookie: cookie]; } NSURL *dataUrl = [NSURL URLWithString:path relativeToURL:self.baseURL]; NSArray *cookies = [[NSHTTPCookieStorage sharedHTTPCookieStorage] cookiesForURL:dataUrl];//id: NSHTTPCookie NSDictionary *sheaders = [NSHTTPCookie requestHeaderFieldsWithCookies:cookies]; NSString *charset = (NSString *)CFStringConvertEncodingToIANACharSetName(CFStringConvertNSStringEncodingToEncoding(NSUTF8StringEncoding)); __strong NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:dataUrl cachePolicy:NSURLRequestReloadIgnoringLocalCacheData timeoutInterval:60.f]; [request setHTTPMethod:@"GET"]; [request addValue:@"iOS" forHTTPHeaderField:@"User-Agent"]; [request setValue:[NSString stringWithFormat:@"application/x-www-form-urlencoded; charset=%@", charset] forHTTPHeaderField:@"Content-Type"];// [request setHTTPBody:[AFQueryStringFromParametersWithEncoding(parameters, NSUTF8StringEncoding) dataUsingEncoding:NSUTF8StringEncoding]]; [request setAllHTTPHeaderFields:sheaders]; if (parameters) { dataUrl = [NSURL URLWithString:[[dataUrl absoluteString] stringByAppendingFormat:[path rangeOfString:@"?"].location == NSNotFound ? @"?%@" : @"&%@", AFQueryStringFromParametersWithEncoding(parameters, self.stringEncoding)]]; [request setURL:dataUrl]; } AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithRequest:request success:success failure:failure]; [self enqueueHTTPRequestOperation:operation];} |
post實現是：
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | - (void)blockPostPath:(NSString *)path parameters:(NSDictionary *)parameters success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure{ if (!path) { path = @""; } NSArray *arcCookies = [NSKeyedUnarchiver unarchiveObjectWithData: [[NSUserDefaults standardUserDefaults] objectForKey: @"sessionCookies"]]; NSHTTPCookieStorage *cookieStorage = [NSHTTPCookieStorage sharedHTTPCookieStorage]; for (NSHTTPCookie *cookie in arcCookies){ [cookieStorage setCookie: cookie]; } NSURL *dataUrl = [NSURL URLWithString:path relativeToURL:self.baseURL]; NSArray *cookies = [[NSHTTPCookieStorage sharedHTTPCookieStorage] cookiesForURL:dataUrl];//id: NSHTTPCookie NSDictionary *sheaders = [NSHTTPCookie requestHeaderFieldsWithCookies:cookies]; NSString *charset = (NSString *)CFStringConvertEncodingToIANACharSetName(CFStringConvertNSStringEncodingToEncoding(NSUTF8StringEncoding)); __strong NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:dataUrl cachePolicy:NSURLRequestReloadIgnoringLocalCacheData timeoutInterval:60.f]; [request setHTTPMethod:@"Post"]; [request addValue:@"iOS" forHTTPHeaderField:@"User-Agent"]; [request setValue:[NSString stringWithFormat:@"application/x-www-form-urlencoded; charset=%@", charset] forHTTPHeaderField:@"Content-Type"];// [request setHTTPBody:[AFQueryStringFromParametersWithEncoding(parameters, NSUTF8StringEncoding) dataUsingEncoding:NSUTF8StringEncoding]]; [request setAllHTTPHeaderFields:sheaders]; if (parameters) { NSString *charset = (__bridge NSString *)CFStringConvertEncodingToIANACharSetName(CFStringConvertNSStringEncodingToEncoding(self.stringEncoding)); NSError *error = nil; switch (self.parameterEncoding) { case AFFormURLParameterEncoding:; [request setValue:[NSString stringWithFormat:@"application/x-www-form-urlencoded; charset=%@", charset] forHTTPHeaderField:@"Content-Type"]; [request setHTTPBody:[AFQueryStringFromParametersWithEncoding(parameters, self.stringEncoding) dataUsingEncoding:self.stringEncoding]]; break; case AFJSONParameterEncoding:; [request setValue:[NSString stringWithFormat:@"application/json; charset=%@", charset] forHTTPHeaderField:@"Content-Type"]; [request setHTTPBody:[NSJSONSerialization dataWithJSONObject:parameters options:0 error:&error]]; break; case AFPropertyListParameterEncoding:; [request setValue:[NSString stringWithFormat:@"application/x-plist; charset=%@", charset] forHTTPHeaderField:@"Content-Type"]; [request setHTTPBody:[NSPropertyListSerialization dataWithPropertyList:parameters format:NSPropertyListXMLFormat_v1_0 options:0 error:&error]]; break; } if (error) { NSLog(@"%@ %@: %@", [self class], NSStringFromSelector(_cmd), error); } } AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithRequest:request success:success failure:failure]; [self enqueueHTTPRequestOperation:operation]; } |
對應的使用方法分別是：
2、每次請求返回時，儲存cookie，以供以後使用
get的使用方式：
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | /** *執行get請求,支援cookie *TODO: 需要完善 **/-(void)asynchronousCookiesGET:(NSString *)path witParams:(NSMutableDictionary *)params{ AFHTTPClient *httpClient = [[AFHTTPClient alloc] initWithBaseURL:[NSURL URLWithString:BASE_URL_SESSION]]; self.client = httpClient; [httpClient release]; [self.client blockGetPath:path parameters:params success:^(AFHTTPRequestOperation *operation, id responseObject) { D_END; LogNET(@"------------------------GET--->------------------------------"); LogNET(@"netWorking url:: %@",operation.request.URL.absoluteString); LogNET(@"netWorking params:: %@",params); LogNET(@"net working statuCode:: %d",operation.response.statusCode); LogNET(@"net working responseString:: %@",operation.responseString); LogNET(@"------------------------GET---<-----------------------------"); NSArray *cookies = [[NSHTTPCookieStorage sharedHTTPCookieStorage] cookies]; for (NSHTTPCookie *cookie in cookies) { // Here I see the correct rails session cookie NSLog(@"Block cookie: %@", cookie); } NSData *cookiesData = [NSKeyedArchiver archivedDataWithRootObject: [[NSHTTPCookieStorage sharedHTTPCookieStorage] cookies]]; NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults]; [defaults setObject: cookiesData forKey: @"sessionCookies"]; [defaults synchronize]; //handle server return data; }failure:^(AFHTTPRequestOperation *operation, NSError* error) { LogNET(@"------------------------GET--->------------------------------"); LogNET(@"netWorking url:: %@",operation.request.URL.absoluteString); LogNET(@"net working statuCode:: %d",operation.response.statusCode); LogNET(@"net working responseString:: %@",operation.responseString); LogNET(@"------------------------GET---<-----------------------------"); WebExceptionEntity* exception = [[WebExceptionEntity alloc] initWithExceptionString:operation.responseString withStatusCode:operation.response.statusCode withError:error]; self.webException= exception; [exception release]; if (self.exceptionBlock) { self.exceptionBlock(self,self.webException); } } ]; } |
Post的使用方式如下：
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | /** *執行post請求:支援cookie的版本 **/-(void)asynchronousCookiesPost:(NSString *)path witParams:(NSMutableDictionary *)params{ AFHTTPClient *httpClient = [[AFHTTPClient alloc] initWithBaseURL:[NSURL URLWithString:BASE_URL_SESSION]]; self.client = httpClient; [httpClient release]; if (self.preBlcok) { self.preBlcok(self); } [self.client blockPostPath:path parameters:params success:^(AFHTTPRequestOperation *operation, id responseObject) { D_END; LogNET(@"------------------------POST--->------------------------------"); LogNET(@"netWorking url:: %@",operation.request.URL.absoluteString); LogNET(@"netWorking params:: %@",params); LogNET(@"net working statuCode:: %d",operation.response.statusCode); LogNET(@"net working responseString:: %@",operation.responseString); LogNET(@"------------------------POST---<-----------------------------"); NSArray *cookies = [[NSHTTPCookieStorage sharedHTTPCookieStorage] cookies]; for (NSHTTPCookie *cookie in cookies) { // Here I see the correct rails session cookie NSLog(@"cookie: %@", cookie); } NSData *cookiesData = [NSKeyedArchiver archivedDataWithRootObject: [[NSHTTPCookieStorage sharedHTTPCookieStorage] cookies]]; NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults]; [defaults setObject: cookiesData forKey: @"sessionCookies"]; [defaults synchronize]; //handle server return data }failure:^(AFHTTPRequestOperation *operation, NSError* error) { LogNET(@"------------------------POST--->------------------------------"); LogNET(@"netWorking url:: %@",operation.request.URL.absoluteString); LogNET(@"net working statuCode:: %d",operation.response.statusCode); LogNET(@"net working responseString:: %@",operation.responseString); LogNET(@"------------------------POST---<-----------------------------"); WebExceptionEntity* exception = [[WebExceptionEntity alloc] initWithExceptionString:operation.responseString withStatusCode:operation.response.statusCode withError:error]; self.webException= exception; [exception release]; if (self.exceptionBlock) { self.exceptionBlock(self,self.webException); } }]; } |
測試執行：
1 2 3 4 5 6 | 2014-02-14 10:00:53.465 TripPlus[15245:60b] cookie: <NSHTTPCookie version:0 name:"ssid" value:"79244stsh4p3shv1ftd1125d90" expiresDate:(null) created:2014-02-14 02:00:53 +0000 (4.14036e+08) sessionOnly:TRUE domain:"192.168.1.199" path:"/" isSecure:FALSE>//--使用cookiesTPTripPlusDetailViewController.m:141 .... 開始請求AFHTTPClient.m:706 post add cookie:<NSHTTPCookie version:0 name:"acb5f57bfaec0550abdb337d5e8f0f40" value:"1febc174d86a8f5473af180658a7d9369b1e35daa%3A4%3A%7Bi%3A0%3Bs%3A1%3A%221%22%3Bi%3A1%3Bs%3A17%3A%22test%40joviainc.com%22%3Bi%3A2%3Bi%3A2592000%3Bi%3A3%3Ba%3A0%3A%7B%7D%7D" expiresDate:2014-03-16 02:00:50 +0000 created:2001-01-01 00:00:01 +0000 (1) sessionOnly:FALSE domain:"192.168.1.199" path:"/" isSecure:FALSE>AFHTTPClient.m:706 post add cookie:<NSHTTPCookie version:0 name:"ssid" value:"79244stsh4p3shv1ftd1125d90" expiresDate:(null) created:2001-01-01 00:00:01 +0000 (1) sessionOnly:TRUE domain:"192.168.1.199" path:"/" isSecure:FALSE> |
從結果可看出，完美執行。
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