appcast.schema.json

{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "description": "JSON schema for use with sxupdate library, used to hold metadata for version updates",
  "required": [
    "items"
  ],
  "type": "object",
  "properties": {
    "comment": {
      "type": "string"
    },
    "title": {
      "type": "string"
    },
    "link": {
      "type": "string"
    },
    "description": {
      "type": "string"
    },
    "language": {
      "type": "string"
    },
    "items": {
      "type": "array",
      "minItems": 1,
      "items": [
        {
          "type": "object",
          "properties": {
            "version": {
              "description": "Representation of semantic version. See https://semver.org/",
              "type": "object",
              "required": [ "major", "minor", "patch" ],
              "properties": {
                "major": { "type": "integer" },
                "minor": { "type": "integer" },
                "patch": { "type": "integer" },
                "prerelease": {
                  "description": "Non-blank string consisting of one or more non-blank identifiers, each one of more chars in the range [0-9A-Za-z-]",
                  "type": "string"
                },
                "meta": {
                  "type": "string"
                }
              }
            },
            "enclosure": {
              "type": "object",
              "properties": {
                "url": {
                  "description": "Must be of the form https://... (fetch from URL), file://... (local file), or a local file path, relative to the URL where this JSON document is located, containing no colon or backslash character",
                  "pattern": "^(((https|file)://[^/].*)|[^:\\\\]+)$",
                  "type": "string"
                },
                "length": {
                  "type": "integer"
                },
                "filename": {
                  "description": "Name of the file that will be downloaded. May only contain alphanumeric characters, slash, dash, underscore and period, may not contain two slashes in a row, and may not end with a slash",
                  "pattern": "^/?([-_A-Za-z0-9.]+/?)*[-_A-Za-z0-9.]$",
                  "type": "string"
                },
                "signature": {
                  "type": "string"
                }
              },
              "required": [
                "url",
                "length",
                "filename",
                "signature"
              ]
            }
          },
          "required": [
            "version",
            "enclosure"
          ]
        }
      ]
    }
  }
}