tencent cloud

QCloudPutBucketPolicyRequest * request = [QCloudPutBucketPolicyRequest new];
// 存储桶名称，由bucketname-appid 组成，appid必须填入，可以在COS控制台查看存储桶名称。 https://console.tencentcloud.com/cos5/bucket
request.bucket = @"0-1250000000";
request.regionName = @"ap-chengdu";
// 权限策略，详情请参见 访问管理策略语法 https://www.tencentcloud.com/document/product/436/12469
request.policyInfo = @{
    @"Statement": @[
        @{
        @"Principal": @{
            @"qcs": @[
            @"qcs::cam::uin/100000000001:uin/100000000001"
            ]
        },
        @"Effect": @"allow",
        @"Action": @[
            @"name/cos:GetBucket"
        ],
        @"Resource": @[
            @"qcs::cos:ap-guangzhou:uid/1250000000:examplebucket-1250000000/*"
        ]
        }
    ],
    @"version": @"2.0"
    };
[request setFinishBlock:^(id  _Nullable outputObject, NSError * _Nullable error) {

}];
[[QCloudCOSXMLService defaultCOSXML] PutBucketPolicy:request];


QCloudGetBucketPolicyRequest * request = [QCloudGetBucketPolicyRequest new];
// 存储桶名称，由bucketname-appid 组成，appid必须填入，可以在COS控制台查看存储桶名称。 https://console.tencentcloud.com/cos5/bucket
request.bucket = @"bucketname-appid";
request.regionName = @"ap-chengdu";
[request setFinishBlock:^(QCloudBucketPolicyResult * _Nullable outputObject, NSError * _Nullable error) {
    // QCloudBucketPolicyResult 详细字段请查看api文档或者SDK源码
}];
[[QCloudCOSXMLService defaultCOSXML] GetBucketPolicy:request];

// 存储桶名称，由bucketname-appid 组成，appid必须填入，可以在COS控制台查看存储桶名称。 https://console.tencentcloud.com/cos5/bucket
QCloudDeleteBucketPolicyRequest * request = [QCloudDeleteBucketPolicyRequest new];
request.bucket = @"0-1253960454";
request.regionName = @"ap-chengdu";
[request setFinishBlock:^(id  _Nullable outputObject, NSError * _Nullable error) {
    /// error 为空则表示成功
}];
[[QCloudCOSXMLService defaultCOSXML] DeleteBucketPolicy:request];