Items Undefined (v3)

  • Query id: a8e859da-4a43-4e7f-94b8-25d6e3bf8e90
  • Query name: Items Undefined (v3)
  • Platform: OpenAPI
  • Severity: Info
  • Category: Structure and Semantics
  • URL: Github

Description

Schema/Parameter items should be defined when the schema/parameter is set to an array.
Documentation

Code samples

Code samples with security vulnerabilities

Positive test num. 1 - json file
{
  "openapi": "3.0.0",
  "info": {
    "title": "Simple API Overview",
    "version": "1.0.0",
    "contact": {
      "name": "contact",
      "url": "https://www.google.com/",
      "email": "user@gmail.c"
    }
  },
  "paths": {
    "/": {
      "get": {
        "operationId": "listVersionsv2",
        "summary": "List API versions",
        "responses": {
          "200": {
            "description": "200 response",
            "content": {
              "application/json": {
                "examples": {
                  "foo": {
                    "value": {
                      "versions": [
                        {
                          "status": "CURRENT",
                          "updated": "2011-01-21T11:33:21Z",
                          "id": "v2.0",
                          "links": [
                            {
                              "href": "http://127.0.0.1:8774/v2/",
                              "rel": "self"
                            }
                          ]
                        }
                      ]
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "GeneralError": {
        "type": "array",
        "properties": {
          "code": {
            "type": "integer",
            "format": "int32"
          },
          "message": {
            "type": "string"
          }
        },
        "required": [
          "name"
        ]
      }
    }
  }
}
Positive test num. 2 - json file
{
  "openapi": "3.0.0",
  "info": {
    "title": "Simple API Overview",
    "version": "1.0.0",
    "contact": {
      "name": "contact",
      "url": "https://www.google.com/",
      "email": "user@gmail.c"
    }
  },
  "paths": {
    "/": {
      "get": {
        "operationId": "listVersionsv2",
        "summary": "List API versions",
        "responses": {
          "200": {
            "description": "200 response",
            "content": {
              "application/json": {
                "schema": {
                  "type": "array",
                  "properties": {
                    "code": {
                      "type": "integer",
                      "format": "int32"
                    },
                    "message": {
                      "type": "string"
                    }
                  }
                },
                "examples": {
                  "foo": {
                    "value": {
                      "versions": [
                        {
                          "status": "CURRENT",
                          "updated": "2011-01-21T11:33:21Z",
                          "id": "v2.0",
                          "links": [
                            {
                              "href": "http://127.0.0.1:8774/v2/",
                              "rel": "self"
                            }
                          ]
                        }
                      ]
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
  }
}
Positive test num. 3 - yaml file
openapi: 3.0.0
info:
  title: Simple API Overview
  version: 1.0.0
paths:
  "/":
    get:
      operationId: listVersionsv2
      summary: List API versions
      responses:
        "200":
          description: 200 response
          content:
            application/json:
              examples:
                foo:
                  value:
                    versions:
                      - status: CURRENT
                        updated: "2011-01-21T11:33:21Z"
                        id: v2.0
                        links:
                          - href: http://127.0.0.1:8774/v2/
                            rel: self
components:
  schemas:
    GeneralError:
      type: array
      properties:
        code:
          type: string
          format: int32
        message:
          type: string
      required:
        - name

Positive test num. 4 - yaml file
openapi: 3.0.0
info:
  title: Simple API Overview
  version: 1.0.0
paths:
  "/":
    get:
      operationId: listVersionsv2
      summary: List API versions
      responses:
        "200":
          description: 200 response
          content:
            application/json:
              schema:
                type: array
                properties:
                  code:
                    type: string
                    format: int32
                  message:
                    type: string
              examples:
                foo:
                  value:
                    versions:
                      - status: CURRENT
                        updated: "2011-01-21T11:33:21Z"
                        id: v2.0
                        links:
                          - href: http://127.0.0.1:8774/v2/
                            rel: self
Positive test num. 5 - json file
  {
    "swagger": "2.0",
    "info": {
      "version": "1.0",
      "title": "Example",
      "description": "A sample API specification"
    },
    "paths": {
      "/users": {
        "get": {
          "description": "Returns all users from database",
          "operationId": "findUsers",
          "produces": [
            "application/json"
          ],
          "responses": {
            "200": {
              "description": "users response",
              "schema": {
                "type": "array"
              }
            }
          }
        }
      }
    },
    "definitions": {
      "User": {
        "type": "object",
        "required": [
          "id",
          "name"
        ],
        "properties": {
          "id": {
            "type": "integer",
            "format": "int64"
          },
          "name": {
            "type": "string"
          }
        }
      }
    }
  }
Positive test num. 6 - yaml file
swagger: '2.0'
info:
  version: '1.0'
  title: Example
  description: A sample API specification
paths:
  "/users":
    get:
      description: Returns all users from database
      operationId: findUsers
      produces:
      - application/json
      responses:
        '200':
          description: users response
          schema:
            type: array
definitions:
  User:
    type: object
    required:
    - id
    - name
    properties:
      id:
        type: integer
        format: int64
      name:
        type: string

Code samples without security vulnerabilities

Negative test num. 1 - json file
{
  "openapi": "3.0.0",
  "info": {
    "title": "Simple API Overview",
    "version": "1.0.0",
    "contact": {
      "name": "contact",
      "url": "https://www.google.com/",
      "email": "user@gmail.c"
    }
  },
  "paths": {
    "/": {
      "get": {
        "operationId": "listVersionsv2",
        "summary": "List API versions",
        "responses": {
          "200": {
            "description": "200 response",
            "content": {
              "application/json": {
                "examples": {
                  "foo": {
                    "value": {
                      "versions": [
                        {
                          "status": "CURRENT",
                          "updated": "2011-01-21T11:33:21Z",
                          "id": "v2.0",
                          "links": [
                            {
                              "href": "http://127.0.0.1:8774/v2/",
                              "rel": "self"
                            }
                          ]
                        }
                      ]
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "GeneralError": {
        "type": "array",
        "items": {
          "type": "string"
        },
        "properties": {
          "code": {
            "type": "integer",
            "format": "int32"
          },
          "message": {
            "type": "string"
          }
        },
        "required": [
          "name"
        ]
      }
    }
  }
}
Negative test num. 2 - json file
{
  "openapi": "3.0.0",
  "info": {
    "title": "Simple API Overview",
    "version": "1.0.0",
    "contact": {
      "name": "contact",
      "url": "https://www.google.com/",
      "email": "user@gmail.c"
    }
  },
  "paths": {
    "/": {
      "get": {
        "operationId": "listVersionsv2",
        "summary": "List API versions",
        "responses": {
          "200": {
            "description": "200 response",
            "content": {
              "application/json": {
                "schema": {
                  "type": "array",
                  "items": {
                    "type": "string"
                  },
                  "properties": {
                    "code": {
                      "type": "integer",
                      "format": "int32"
                    },
                    "message": {
                      "type": "string"
                    }
                  }
                },
                "examples": {
                  "foo": {
                    "value": {
                      "versions": [
                        {
                          "status": "CURRENT",
                          "updated": "2011-01-21T11:33:21Z",
                          "id": "v2.0",
                          "links": [
                            {
                              "href": "http://127.0.0.1:8774/v2/",
                              "rel": "self"
                            }
                          ]
                        }
                      ]
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
  }
}
Negative test num. 3 - yaml file
openapi: 3.0.0
info:
  title: Simple API Overview
  version: 1.0.0
paths:
  "/":
    get:
      operationId: listVersionsv2
      summary: List API versions
      responses:
        "200":
          description: 200 response
          content:
            application/json:
              examples:
                foo:
                  value:
                    versions:
                      - status: CURRENT
                        updated: "2011-01-21T11:33:21Z"
                        id: v2.0
                        links:
                          - href: http://127.0.0.1:8774/v2/
                            rel: self
components:
  schemas:
    GeneralError:
      type: array
      items:
        type: string
      properties:
        code:
          type: string
          format: int32
        message:
          type: string
      required:
        - name

Negative test num. 4 - yaml file
openapi: 3.0.0
info:
  title: Simple API Overview
  version: 1.0.0
paths:
  "/":
    get:
      operationId: listVersionsv2
      summary: List API versions
      responses:
        "200":
          description: 200 response
          content:
            application/json:
              schema:
                type: array
                items:
                  type: string
                properties:
                  code:
                    type: string
                    format: int32
                  message:
                    type: string
              examples:
                foo:
                  value:
                    versions:
                      - status: CURRENT
                        updated: "2011-01-21T11:33:21Z"
                        id: v2.0
                        links:
                          - href: http://127.0.0.1:8774/v2/
                            rel: self
Negative test num. 5 - json file
  {
    "swagger": "2.0",
    "info": {
      "version": "1.0",
      "title": "Example",
      "description": "A sample API specification"
    },
    "paths": {
      "/users": {
        "get": {
          "description": "Returns all users from database",
          "operationId": "findUsers",
          "produces": [
            "application/json"
          ],
          "responses": {
            "200": {
              "description": "users response",
              "schema": {
                "type": "array",
                "items": {
                  "$ref": "#/definitions/User"
                }
              }
            }
          }
        }
      }
    },
    "definitions": {
      "User": {
        "type": "object",
        "required": [
          "id",
          "name"
        ],
        "properties": {
          "id": {
            "type": "integer",
            "format": "int64"
          },
          "name": {
            "type": "string"
          }
        }
      }
    }
  }
Negative test num. 6 - yaml file
swagger: '2.0'
info:
  version: '1.0'
  title: Example
  description: A sample API specification
paths:
  "/users":
    get:
      description: Returns all users from database
      operationId: findUsers
      produces:
      - application/json
      responses:
        '200':
          description: users response
          schema:
            type: array
            items:
              "$ref": "#/definitions/User"
definitions:
  User:
    type: object
    required:
    - id
    - name
    properties:
      id:
        type: integer
        format: int64
      name:
        type: string