openapi: 3.0.0
info:
  title: Nnef_PFDmanagement Sevice API
  version: "1.0.0"
  description: Packet Flow Description Management Service
#
externalDocs:
  description: 3GPP TS 29.551 v15.1.0, 5G System; Packet Flow Description Management Service
  url: 'http://www.3gpp.org/ftp/Specs/archive/29_series/29.551/'
#
servers:
  - url: '{apiRoot}/nnef-pfdmanagement/v1'
    variables:
      apiRoot:
        default: https://example.com
        description: apiRoot as defined in subclause 4.4 of 3GPP TS 29.501
security:
  - {}
  - oAuth2ClientCredentials:
    - nnef-pfdmanagement
paths:
  /applications:
    get:
      summary: Retrieve PFDs for all applications or for one or multiple applications with query parameter.
      tags:
        - PFD of applications
      operationId: Nnef_PFDmanagement_Fetch
      parameters:
          - name: application-ids
            description: The required application identifier(s) for the returned PFDs.
            in: query
            required: true
            schema:
              type: array
              items:
                $ref: 'TS29571_CommonData.yaml#/components/schemas/ApplicationId'
              minItems: 1
          - name: supported-features
            in: query
            description: To filter irrelevant responses related to unsupported features
            schema:
               $ref: 'TS29571_CommonData.yaml#/components/schemas/SupportedFeatures'
      responses:
        '200':
          description: The PFDs for one or more application identifier(s) in the request URI are returned.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/PfdDataForApp'
                minItems: 0
        '400':
          $ref: 'TS29571_CommonData.yaml#/components/responses/400'
        '401':
          $ref: 'TS29571_CommonData.yaml#/components/responses/401'
        '403':
          $ref: 'TS29571_CommonData.yaml#/components/responses/403'
        '404':
          $ref: 'TS29571_CommonData.yaml#/components/responses/404'
        '406':
          $ref: 'TS29571_CommonData.yaml#/components/responses/406'
        '414':
          $ref: 'TS29571_CommonData.yaml#/components/responses/414'
        '429':
          $ref: 'TS29571_CommonData.yaml#/components/responses/429'
        '500':
          $ref: 'TS29571_CommonData.yaml#/components/responses/500'
        '503':
          $ref: 'TS29571_CommonData.yaml#/components/responses/503'
  
  /applications/{appId}:
    get:
      summary: Retrieve the PFD for an application.
      tags:
        - Individual application PFD
      operationId: Nnef_PFDmanagement_Fetch
      parameters:
        - name: appId
          description: The required application identifier(s) for the returned PFDs.
          in: path
          required: true
          schema:
            type: string
        - name: supported-features
          in: query
          description: To filter irrelevant responses related to unsupported features
          schema:
             $ref: 'TS29571_CommonData.yaml#/components/schemas/SupportedFeatures'
      responses:
        '200':
          description: A representation of PFDs for an application in the request URI is returned.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PfdDataForApp'
        '400':
          $ref: 'TS29571_CommonData.yaml#/components/responses/400'
        '401':
          $ref: 'TS29571_CommonData.yaml#/components/responses/401'
        '403':
          $ref: 'TS29571_CommonData.yaml#/components/responses/403'
        '404':
          $ref: 'TS29571_CommonData.yaml#/components/responses/404'
        '406':
          $ref: 'TS29571_CommonData.yaml#/components/responses/406'
        '429':
          $ref: 'TS29571_CommonData.yaml#/components/responses/429'
        '414':
          $ref: 'TS29571_CommonData.yaml#/components/responses/414'
        '500':
          $ref: 'TS29571_CommonData.yaml#/components/responses/500'
        '503':
          $ref: 'TS29571_CommonData.yaml#/components/responses/503'
  
  /subscriptions:
    post:
      summary: Subscribe the notification of PFD changes.
      tags: 
        - PFD subscriptions
      operationId: Nnef_PFDmanagement_Subscribe
      requestBody:
        description: a PfdSubscription resource to be created.
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PfdSubscription'
      callbacks:
        PfdChangeNotification:
          '{request.body#/notifyUri}':
            post:
              summary: Notification of PFD change.
              tags:
                - PfdChangeNotification data
              operationId: Nnef_PFDmanagement_Notify
              requestBody:
                required: true
                content:
                  application/json:
                    schema:
                      type: array
                      items:
                        $ref: '#/components/schemas/PfdChangeNotification'
                      minItems: 1
              responses:
                '200':
                  description: The PFD operation in the notification is performed and the PfdChangeReport indicates failure reason.
                  content:
                    application/json:
                      schema:
                        type: array
                        items:
                          $ref: '#/components/schemas/PfdChangeReport'
                        minItems: 1
                '204':
                  description: The PFD operation in the notification is performed successfully.
                '400':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/400'
                '401':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/401'
                '403':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/403'
                '404':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/404'
                '411':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/411'
                '413':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/413'
                '415':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/415'
                '429':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/429'
                '500':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/500'
                '503':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/503'
                  
            
      responses:
        '201':
          description: The creation of a PfdSubscription resource is confirmed and a representation of that resource is returned.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PfdSubscription'
          headers:
            Location:
              description: 'Contains the URI of the newly created resource, according to the structure: {apiRoot}/nnef-pfdmanagement/v1/subscriptions/{subscriptionId}'
              required: true
              schema:
                type: string
        '400':
          $ref: 'TS29571_CommonData.yaml#/components/responses/400'
        '401':
          $ref: 'TS29571_CommonData.yaml#/components/responses/401'
        '403':
          $ref: 'TS29571_CommonData.yaml#/components/responses/403'
        '404':
          $ref: 'TS29571_CommonData.yaml#/components/responses/404'
        '411':
          $ref: 'TS29571_CommonData.yaml#/components/responses/411'
        '413':
          $ref: 'TS29571_CommonData.yaml#/components/responses/413'
        '415':
          $ref: 'TS29571_CommonData.yaml#/components/responses/415'
        '429':
          $ref: 'TS29571_CommonData.yaml#/components/responses/429'
        '500':
          $ref: 'TS29571_CommonData.yaml#/components/responses/500'
        '503':
          $ref: 'TS29571_CommonData.yaml#/components/responses/503'
      
  /subscriptions/{subscriptionId}:
    delete:
      summary: Delete a subscription of PFD change notification.
      tags:
        - Individual PFD subscription
      operationId: Nnef_PFDmanagement_Unsubscribe
      parameters:
        - name: subscriptionId
          description: Identify the subscription.
          in: path
          required: true
          schema:
            type: string
      responses:
        '204':
          description: The PfdSubscription resource matching the subscriptionId was deleted successfully.
        '400':
          $ref: 'TS29571_CommonData.yaml#/components/responses/400'
        '401':
          $ref: 'TS29571_CommonData.yaml#/components/responses/401'
        '403':
          $ref: 'TS29571_CommonData.yaml#/components/responses/403'
        '404':
          $ref: 'TS29571_CommonData.yaml#/components/responses/404'
        '429':
          $ref: 'TS29571_CommonData.yaml#/components/responses/429'
        '500':
          $ref: 'TS29571_CommonData.yaml#/components/responses/500'
        '503':
          $ref: 'TS29571_CommonData.yaml#/components/responses/503'

components:
  securitySchemes:
    oAuth2ClientCredentials:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: '{nrfApiRoot}/oauth2/token'
          scopes:
            nnef-pfdmanagement: Access to the Nnef_PFDmanagement API
  schemas:
#
# STRUCTURED DATA TYPES
#
    PfdContent:
      type: object
      properties:
        pfdId:
          type: string
          description: Identifies a PDF of an application identifier.
        flowDescriptions:
          type: array
          items:
            type: string
          minItems: 1
          description: Represents a 3-tuple with protocol, server ip and server port for UL/DL application traffic.
        urls:
          type: array
          items:
            type: string
          minItems: 1
          description: Indicates a URL or a regular expression which is used to match the significant parts of the URL.
        domainNames:
          type: array
          items:
            type: string
          minItems: 1
          description: Indicates an FQDN or a regular expression as a domain name matching criteria.

    PfdDataForApp:
      type: object
      properties:
        applicationId:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/ApplicationId'
        pfds:
          type: array
          items:
            $ref: '#/components/schemas/PfdContent'
          minItems: 1
        cachingTime:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/DateTime'
      required:
        - applicationId
        - pfds
    
    PfdSubscription:
      type: object
      properties:
        applicationIds:
          type: array
          items:
            $ref: 'TS29571_CommonData.yaml#/components/schemas/ApplicationId'
          minItems: 1
        notifyUri:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/Uri'
        supportedFeatures:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/SupportedFeatures'
      required:
        - notifyUri
        - supportedFeatures
        
    PfdChangeNotification:
      type: object
      properties:
        applicationId:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/ApplicationId'
        removalFlag:
          type: boolean
          default: false
        partialFlag:
          type: boolean
          default: false
        pfds:
          type: array
          items:
            $ref: '#/components/schemas/PfdContent'
          minItems: 1
      required:
        - applicationId

    PfdChangeReport:
      type: object
      properties:
        pfdError:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/ProblemDetails'
        applicationId:
          type: array
          items:
            $ref: 'TS29571_CommonData.yaml#/components/schemas/ApplicationId'
          minItems: 1
      required:
        - pfdError
        - applicationId