建设网站公司怎么样,内蒙古住房建设部官方网站,网站开发公司深圳,阿哥体育个人网页1、使用第三方库 AFNetworking进行网络请求。 2、阿里云函数计算签名认证文档 3、文档中添加 CanonicalizedFCHeaders 可以不用添加#xff0c;CanonicalizedResource如何没有设置Path#xff0c;在末尾加入“/”就可以了。 4、主要还是 hmac-sha256 签名认证#xff0c;在实…1、使用第三方库 AFNetworking进行网络请求。 2、阿里云函数计算签名认证文档 3、文档中添加 CanonicalizedFCHeaders 可以不用添加CanonicalizedResource如何没有设置Path在末尾加入“/”就可以了。 4、主要还是 hmac-sha256 签名认证在实现过程中转base64的问题。 下面则是实现代码 (AFHTTPSessionManager *)httpSessionManager:(NSString *)url{AFHTTPSessionManager *sessionManager [[AFHTTPSessionManager alloc] initWithBaseURL:[NSURL URLWithString:url]];sessionManager.requestSerializer [AFJSONRequestSerializer serializer];sessionManager.responseSerializer [AFJSONResponseSerializer serializer];sessionManager.responseSerializer.acceptableContentTypes [NSSet setWithObjects:application/json, nil];[sessionManager.requestSerializer setValue:[YTDWindingCalculatorHttp aliSignature:sessionManager] forHTTPHeaderField:Authorization];return sessionManager;
} (NSString *)aliSignature:(AFHTTPSessionManager *)sessionManager{NSString *accessKeyID xxxxxx;NSString *accessKeySecret xxxx;NSString *authorization [NSString stringWithFormat:FC %:,accessKeyID];NSMutableArray *signatureArray [NSMutableArray array];[signatureArray addObject:POST];[signatureArray addObject:];[signatureArray addObject:application/json];NSString *date [YTDWindingCalculatorHttp rfc1123String];[signatureArray addObject:date];[signatureArray addObject:/\n];//请求头添加content-type 和 date[sessionManager.requestSerializer setValue:sessionManager.responseSerializer.acceptableContentTypes.allObjects.firstObject forHTTPHeaderField:content-type];[sessionManager.requestSerializer setValue:date forHTTPHeaderField:date];NSString *signature [signatureArray componentsJoinedByString:\n];signature [YTDWindingCalculatorHttp hmac:signature withKey:accessKeySecret];authorization [NSString stringWithFormat:%%,authorization,signature];return authorization;
} (NSString *)hmac:(NSString *)content withKey:(NSString *)secret{const char *cKey [secret cStringUsingEncoding:NSUTF8StringEncoding];const char *cData [content cStringUsingEncoding:NSUTF8StringEncoding];// 有可能有中文 所以用NSUTF8StringEncoding - NSASCIIStringEncodingunsigned char cHMAC[CC_SHA256_DIGEST_LENGTH];CCHmac(kCCHmacAlgSHA256, cKey, strlen(cKey), cData, strlen(cData), cHMAC);NSData *HMACData [NSData dataWithBytes:cHMAC length:sizeof(cHMAC)];NSData *base64Data [HMACData base64EncodedDataWithOptions:NSDataBase64Encoding64CharacterLineLength];return [[NSString alloc] initWithData:base64Data encoding:NSUTF8StringEncoding];
} (NSString *)rfc1123String{time_t date (time_t)[[NSDate date] timeIntervalSince1970];struct tm timeinfo;gmtime_r(date, timeinfo);char buffer[32];size_t ret strftime_l(buffer, sizeof(buffer), %a, %d %b %Y %H:%M:%S GMT, timeinfo, NULL);if (ret) {return (buffer);} else {return nil;}
}
