NSString * const AccessKey = @"XXXXXXXXXXXXX";

NSString * const SecretKey = @"XXXXXXXXXXXXX";

NSString * const endPoint = @"XXXXXXXXXXXXX";

NSString * const bucketName = @"XXXXXXXXXXXXX";

static NSString *imageTemp = @"imgTemp";

-------------------------------------------------------------------------------------------

- (void)initOSSClient 
{

    id<OSSCredentialProvider> credential = [[OSSPlainTextAKSKPairCredentialProvider alloc] initWithPlainTextAccessKey:AccessKey

                                                                                                            secretKey:SecretKey];

    // 自实现签名，可以用本地签名也可以远程加签

//    id<OSSCredentialProvider> credential1 = [[OSSCustomSignerCredentialProvider alloc] initWithImplementedSigner:^NSString *(NSString *contentToSign, NSError *__autoreleasing *error) {

//        NSString *signature = [OSSUtil calBase64Sha1WithData:contentToSign withSecret:@"<your secret key>"];

//        if (signature != nil) {

//            *error = nil;

//        } else {

//            // construct error object

//            *error = [NSError errorWithDomain:@"<your error domain>" code:OSSClientErrorCodeSignFailed userInfo:nil];

//            return nil;

//        }

//        return [NSString stringWithFormat:@"OSS %@:%@", @"<your access key>", signature];

//    }];

    // Federation鉴权，建议通过访问远程业务服务器获取签名

    // 假设访问业务服务器的获取token服务时，返回的数据格式如下：

    // {"accessKeyId":"STS.iA645eTOXEqP3cg3VeHf",

    // "accessKeySecret":"rV3VQrpFQ4BsyHSAvi5NVLpPIVffDJv4LojUBZCf",

    // "expiration":"2015-11-03T09:52:59Z[;",

    // "federatedUser":"335450541522398178:alice-001",

    // "requestId":"C0E01B94-332E-4582-87F9-B857C807EE52",

    // "securityToken":"CAES7QIIARKAAZPlqaN9ILiQZPS+JDkS/GSZN45RLx4YS/p3OgaUC+oJl3XSlbJ7StKpQp1Q3KtZVCeAKAYY6HYSFOa6rU0bltFXAPyW+jvlijGKLezJs0AcIvP5a4ki6yHWovkbPYNnFSOhOmCGMmXKIkhrRSHMGYJRj8AIUvICAbDhzryeNHvUGhhTVFMuaUE2NDVlVE9YRXFQM2NnM1ZlSGYiEjMzNTQ1MDU0MTUyMjM5ODE3OCoJYWxpY2UtMDAxMOG/g7v6KToGUnNhTUQ1QloKATEaVQoFQWxsb3cSHwoMQWN0aW9uRXF1YWxzEgZBY3Rpb24aBwoFb3NzOioSKwoOUmVzb3VyY2VFcXVhbHMSCFJlc291cmNlGg8KDWFjczpvc3M6KjoqOipKEDEwNzI2MDc4NDc4NjM4ODhSAFoPQXNzdW1lZFJvbGVVc2VyYABqEjMzNTQ1MDU0MTUyMjM5ODE3OHIHeHljLTAwMQ=="}

    /*

    id<OSSCredentialProvider> credential2 = [[OSSFederationCredentialProvider alloc] initWithFederationTokenGetter:^OSSFederationToken * {

        NSURL * url = [NSURL URLWithString:@"http://localhost:8080/distribute-token.json"];

        NSURLRequest * request = [NSURLRequest requestWithURL:url];

        OSSTaskCompletionSource * tcs = [OSSTaskCompletionSource taskCompletionSource];

        NSURLSession * session = [NSURLSession sharedSession];

        NSURLSessionTask * sessionTask = [session dataTaskWithRequest:request

                                                    completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {

                                                        if (error) {

                                                            [tcs setError:error];

                                                            return;

                                                        }

                                                        [tcs setResult:data];

                                                    }];

        [sessionTask resume];

        [tcs.task waitUntilFinished];

        if (tcs.task.error) {

            NSLog(@"get token error: %@", tcs.task.error);

            return nil;

        } else {

            NSDictionary * object = [NSJSONSerialization JSONObjectWithData:tcs.task.result

                                                                    options:kNilOptions

                                                                      error:nil];

            OSSFederationToken * token = [OSSFederationToken new];

            token.tAccessKey = [object objectForKey:@"accessKeyId"];

            token.tSecretKey = [object objectForKey:@"accessKeySecret"];

            token.tToken = [object objectForKey:@"securityToken"];

            token.expirationTimeInGMTFormat = [object objectForKey:@"expiration"];

            NSLog(@"get token: %@", token);

            return token;

        }

    }];

*/

    OSSClientConfiguration * conf = [OSSClientConfiguration new];

    conf.maxRetryCount = 2;

    conf.timeoutIntervalForRequest = 30;

    conf.timeoutIntervalForResource = 24 * 60 * 60;

    client = [[OSSClient alloc] initWithEndpoint:endPoint credentialProvider:credential clientConfiguration:conf];

}

// 异步上传

- (void)uploadObjectAsync 
{

    OSSPutObjectRequest * put = [OSSPutObjectRequest new];

    // required fields

    put.bucketName = bucketName;

    NSString *imageName = [imageTemp stringByAppendingPathComponent:[[NSUUID UUID].UUIDString stringByAppendingString:@".jpg"]];

    put.objectKey = @"testImage.jpg";

    UIImage *image = [UIImage imageNamed:@"test.jpg"];

    NSData *data = UIImageJPEGRepresentation(image, 0.3);

    put.uploadingData = data;

//    put.uploadProgress = ^(int64_t bytesSent, int64_t totalByteSent, int64_t totalBytesExpectedToSend) {

//        NSLog(@"%lld, %lld, %lld", bytesSent, totalByteSent, totalBytesExpectedToSend);

//    };

    put.contentType = @"";

    put.contentMd5 = @"";

    put.contentEncoding = @"";

    put.contentDisposition = @"";

    OSSTask * putTask = [client putObject:put];

    [putTask continueWithBlock:^id(OSSTask *task) {

        NSLog(@"objectKey: %@", put.objectKey);

        if (!task.error) {

            NSLog(@"upload object success!");

        } else {

            NSLog(@"upload object failed, error: %@" , task.error);

        }

        return nil;

    }];

}