snapshot.schema.json

{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "signatures": {
      "type": "array",
      "items": [
        {
          "type": "object",
          "additionalProperties": false,
          "properties": {
            "keyid": {
              "type": "string",
              "minLength": 64,
              "maxLength": 64,
              "pattern": "^[a-f0-9]{64}$"
            },
            "sig": {
              "type": "string",
              "minLength": 1
            }
          },
          "required": [
            "keyid",
            "sig"
          ]
        }
      ]
    },
    "signed": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "_type": {
          "enum": ["snapshot"]
        },
        "expires": {
          "type": "string",
          "pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}Z$"
        },
        "meta": {
          "type": "object",
          "additionalProperties": true,
          "properties": {
            "targets.json": {
              "type": "object",
              "additionalProperties": false,
              "properties": {
                "version": {
                  "type": "integer",
                  "minimum": 1
                },
                "length": {
                  "type": "integer",
                  "minimum": 1
                },
                "hashes": {
                  "type": "object"
                }
              },
              "required": [
                "version"
              ]
            }
          },
          "required": [
            "targets.json"
          ]
        },
        "spec_version": {
          "type": "string",
          "pattern": "^[0-9]+\\.[0-9]+(\\.[0-9]+)?$"
        },
        "version": {
          "type": "integer",
          "minimum": 1
        }
      },
      "required": [
        "_type",
        "expires",
        "meta",
        "spec_version",
        "version"
      ]
    }
  },
  "required": [
    "signatures",
    "signed"
  ]
}