阿里云 OSS：中国大陆 + 免备案

{
  "ROSTemplateFormatVersion": "2015-09-01",
  "Description": {
    "zh-cn": "为孤云创建：私有且阻止公共访问的 OSS Bucket、只授权该桶读写的 RAM 用户、以及该用户的 AccessKey。AccessKey ID 与 Secret 会出现在资源栈的「输出」里，复制回应用即可。",
    "en": "Creates, for Guyun: a private OSS bucket with public access blocked, a RAM user limited to that bucket, and an AccessKey for it. The AccessKey ID and secret appear in the stack outputs; copy them back into the app."
  },
  "Parameters": {
    "BucketName": {
      "Type": "String",
      "Label": {
        "zh-cn": "Bucket 名称",
        "en": "Bucket name"
      },
      "Description": {
        "zh-cn": "全局唯一。3–63 位，只能用小写字母、数字和短横线，首尾必须是字母或数字。例如 my-photos-2026。",
        "en": "Globally unique. 3–63 characters: lowercase letters, digits and hyphens, starting and ending with a letter or digit. For example my-photos-2026."
      },
      "AllowedPattern": "^[a-z0-9][a-z0-9-]{1,61}[a-z0-9]$",
      "MinLength": 3,
      "MaxLength": 63
    },
    "RamUserName": {
      "Type": "String",
      "Label": {
        "zh-cn": "RAM 用户名",
        "en": "RAM user name"
      },
      "Description": {
        "zh-cn": "给应用专用的子账号。如果账号下已经有同名用户，请改成别的名字再创建。",
        "en": "A dedicated sub-account for the app. If a user with this name already exists, pick another one."
      },
      "Default": "guyun-app",
      "AllowedPattern": "^[a-zA-Z0-9._-]{1,64}$",
      "MinLength": 1,
      "MaxLength": 64
    }
  },
  "Resources": {
    "Bucket": {
      "Type": "ALIYUN::OSS::Bucket",
      "Properties": {
        "BucketName": {
          "Ref": "BucketName"
        },
        "AccessControl": "private",
        "StorageClass": "Standard",
        "BlockPublicAccess": true
      }
    },
    "AppUser": {
      "Type": "ALIYUN::RAM::User",
      "Properties": {
        "UserName": {
          "Ref": "RamUserName"
        },
        "DisplayName": {
          "Fn::Sub": "孤云存储"
        },
        "Comments": {
          "Fn::Sub": "孤云专用存储用户；授权桶 ${BucketName} 的读写；随资源栈删除。"
        }
      }
    },
    "BucketPolicy": {
      "Type": "ALIYUN::RAM::ManagedPolicy",
      "DependsOn": "AppUser",
      "Properties": {
        "PolicyName": {
          "Fn::Sub": "guyun-${BucketName}-rw"
        },
        "Description": {
          "Fn::Sub": "Guyun: read and write ${BucketName} only. No bucket-level administration."
        },
        "PolicyDocument": {
          "Version": "1",
          "Statement": [
            {
              "Effect": "Allow",
              "Action": [
                "oss:ListObjects",
                "oss:GetBucketLocation",
                "oss:ListMultipartUploads"
              ],
              "Resource": [
                {
                  "Fn::Sub": "acs:oss:*:*:${BucketName}"
                }
              ]
            },
            {
              "Effect": "Allow",
              "Action": [
                "oss:GetObject",
                "oss:PutObject",
                "oss:DeleteObject",
                "oss:AbortMultipartUpload",
                "oss:ListParts"
              ],
              "Resource": [
                {
                  "Fn::Sub": "acs:oss:*:*:${BucketName}/*"
                }
              ]
            }
          ]
        },
        "Users": [
          {
            "Fn::GetAtt": [
              "AppUser",
              "UserName"
            ]
          }
        ]
      }
    },
    "AccessKey": {
      "Type": "ALIYUN::RAM::AccessKey",
      "DependsOn": "AppUser",
      "Properties": {
        "UserName": {
          "Fn::GetAtt": [
            "AppUser",
            "UserName"
          ]
        }
      }
    }
  },
  "Outputs": {
    "BucketName": {
      "Label": {
        "zh-cn": "Bucket 名称",
        "en": "Bucket name"
      },
      "Description": {
        "zh-cn": "填到应用的「Bucket 名称」里。",
        "en": "Paste into the app's bucket name field."
      },
      "Value": {
        "Ref": "BucketName"
      }
    },
    "RegionId": {
      "Label": {
        "zh-cn": "地域",
        "en": "Region"
      },
      "Description": {
        "zh-cn": "资源栈所在地域，也就是 Bucket 的地域。",
        "en": "The stack's region, which is the bucket's region."
      },
      "Value": {
        "Ref": "ALIYUN::Region"
      }
    },
    "Endpoint": {
      "Label": {
        "zh-cn": "HTTPS Endpoint",
        "en": "HTTPS endpoint"
      },
      "Description": {
        "zh-cn": "走默认域名时填到应用的「HTTPS Endpoint」里（地址方式选「Bucket 子域名」）；如果之后绑了自定义域名，Endpoint 要改成那个域名。",
        "en": "With the default endpoint, paste this into the app's HTTPS endpoint field (addressing: virtual host). If you bind a custom domain later, the endpoint becomes that domain instead."
      },
      "Value": {
        "Fn::Sub": "https://oss-${ALIYUN::Region}.aliyuncs.com"
      }
    },
    "AccessKeyId": {
      "Label": {
        "zh-cn": "AccessKey ID",
        "en": "AccessKey ID"
      },
      "Description": {
        "zh-cn": "复制后填到应用的「AccessKey ID」里。",
        "en": "Copy into the app's AccessKey ID field."
      },
      "Value": {
        "Fn::GetAtt": [
          "AccessKey",
          "AccessKeyId"
        ]
      }
    },
    "AccessKeySecret": {
      "Label": {
        "zh-cn": "AccessKey Secret",
        "en": "AccessKey secret"
      },
      "Description": {
        "zh-cn": "只在这里显示，复制后填进应用的 Keychain；不要粘贴到聊天、文档或代码里。",
        "en": "Shown here only. Copy it into the app's Keychain; never paste it into a chat, document or repository."
      },
      "Value": {
        "Fn::GetAtt": [
          "AccessKey",
          "AccessKeySecret"
        ]
      }
    }
  },
  "Metadata": {
    "ALIYUN::ROS::Interface": {
      "ParameterGroups": [
        {
          "Parameters": [
            "BucketName"
          ],
          "Label": {
            "default": "OSS"
          }
        },
        {
          "Parameters": [
            "RamUserName"
          ],
          "Label": {
            "default": "RAM"
          }
        }
      ],
      "Outputs": [
        "BucketName",
        "RegionId",
        "Endpoint",
        "AccessKeyId",
        "AccessKeySecret"
      ]
    }
  }
}