openapi: 3.0.0

info:
  version: '1.0.0'
  title: 'Nhss_gbaSDM'
  description: |
    Nhss Subscriber Data Management Service for GBA.  
    © 2022, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC).  
    All rights reserved.

externalDocs:
  description: 3GPP TS 29.562 Home Subscriber Server (HSS) Services, version 17.5.0
  url: 'https://www.3gpp.org/ftp/Specs/archive/29_series/29.562/'

servers:
  - url: '{apiRoot}/nhss-gba-sdm/v1'
    variables:
      apiRoot:
        default: https://example.com
        description: apiRoot as defined in clause 4.4 of 3GPP TS 29.501.

security:
  - {}
  - oAuth2ClientCredentials:
    - nhss-gba-sdm

paths:
  /{ueId}/subscriber-data:
    get:
      summary: Retrieve the subscriber data of a user
      operationId: GetSubscriberData
      tags:
        - Subscriber Data (Document)
      security:
        - {}
        - oAuth2ClientCredentials:
          - nhss-gba-sdm
        - oAuth2ClientCredentials:
          - nhss-gba-sdm
          - nhss-gba-sdm:subscriber-data:read
      parameters:
        - name: ueId
          in: path
          description: UE Identity
          required: true
          schema:
            $ref: '#/components/schemas/UeId'
        - name: supported-features
          in: query
          description: Supported Features
          schema:
             $ref: 'TS29571_CommonData.yaml#/components/schemas/SupportedFeatures'
      responses:
        '200':
          description: Expected response to a valid request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GbaSubscriberData'
        '307':
          $ref: 'TS29571_CommonData.yaml#/components/responses/307'
        '308':
          $ref: 'TS29571_CommonData.yaml#/components/responses/308'
        '403':
          $ref: 'TS29571_CommonData.yaml#/components/responses/403'
        '404':
          $ref: 'TS29571_CommonData.yaml#/components/responses/404'
        '500':
          $ref: 'TS29571_CommonData.yaml#/components/responses/500'
        '503':
          $ref: 'TS29571_CommonData.yaml#/components/responses/503'
        '504':
          $ref: 'TS29571_CommonData.yaml#/components/responses/504'
        default:
          $ref: 'TS29571_CommonData.yaml#/components/responses/default'

  /{ueId}/subscriptions:
    post:
      summary: Subscribe to notifications
      operationId: GbaSdmSubscribe
      tags:
        - GBA SDM Subscriptions (Collection)
      security:
        - {}
        - oAuth2ClientCredentials:
          - nhss-gba-sdm
        - oAuth2ClientCredentials:
          - nhss-gba-sdm
          - nhss-gba-sdm:subscriptions:create
      parameters:
        - name: ueId
          in: path
          description: UE Identity
          required: true
          schema:
            $ref: '#/components/schemas/UeId'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/GbaSdmSubscription'
        required: true
      responses:
        '201':
          description: Expected response to a valid request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GbaSdmSubscription'
          headers:
            Location:
              description: >
                Contains the URI of the newly created resource, according to the structure:
                {apiRoot}/nhss-gba-sdm/<apiVersion>/{ueId}/subscriptions/{subscriptionId}
              required: true
              schema:
                type: string
        '307':
          $ref: 'TS29571_CommonData.yaml#/components/responses/307'
        '308':
          $ref: 'TS29571_CommonData.yaml#/components/responses/308'
        '400':
          $ref: 'TS29571_CommonData.yaml#/components/responses/400'
        '404':
          $ref: 'TS29571_CommonData.yaml#/components/responses/404'
        '500':
          $ref: 'TS29571_CommonData.yaml#/components/responses/500'
        '501':
          $ref: 'TS29571_CommonData.yaml#/components/responses/501'
        '503':
          $ref: 'TS29571_CommonData.yaml#/components/responses/503'
        default:
          $ref: 'TS29571_CommonData.yaml#/components/responses/default'
      callbacks:
        datachangeNotification:
          '{request.body#/callbackReference}':
            post:
              requestBody:
                required: true
                content:
                  application/json:
                    schema:
                      $ref: 'TS29503_Nudm_SDM.yaml#/components/schemas/ModificationNotification'
              responses:
                '204':
                  description: Successful Notification response
                '307':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/307'
                '308':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/308'
                '400':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/400'
                '404':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/404'
                '500':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/500'
                '503':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/503'
                default:
                  $ref: 'TS29571_CommonData.yaml#/components/responses/default'

  /{ueId}/subscriptions/{subscriptionId}:
    delete:
      summary: Unsubscribe from notifications
      operationId: GbaSdmUnsubscribe
      tags:
        - GBA SDM Subscription (Document)
      security:
        - {}
        - oAuth2ClientCredentials:
          - nhss-gba-sdm
        - oAuth2ClientCredentials:
          - nhss-gba-sdm
          - nhss-gba-sdm:subscription:modify
      parameters:
        - name: ueId
          in: path
          description: UE Identity
          required: true
          schema:
            $ref: '#/components/schemas/UeId'
        - name: subscriptionId
          in: path
          description: Id of the Subscription
          required: true
          schema:
            type: string
      responses:
        '204':
          description: Successful response
        '307':
          $ref: 'TS29571_CommonData.yaml#/components/responses/307'
        '308':
          $ref: 'TS29571_CommonData.yaml#/components/responses/308'
        '400':
          $ref: 'TS29571_CommonData.yaml#/components/responses/400'
        '404':
          $ref: 'TS29571_CommonData.yaml#/components/responses/404'
        '500':
          $ref: 'TS29571_CommonData.yaml#/components/responses/500'
        '503':
          $ref: 'TS29571_CommonData.yaml#/components/responses/503'
        default:
          $ref: 'TS29571_CommonData.yaml#/components/responses/default'

    patch:
      summary: Modify the subscription
      operationId: GbaSdmSubsModify
      tags:
        - GBA SDM Subscription (Document)
      security:
        - {}
        - oAuth2ClientCredentials:
          - nhss-gba-sdm
        - oAuth2ClientCredentials:
          - nhss-gba-sdm
          - nhss-gba-sdm:subscription:modify
      parameters:
        - name: ueId
          in: path
          description: UE Identity
          required: true
          schema:
            $ref: '#/components/schemas/UeId'
        - name: subscriptionId
          in: path
          description: Id of the Subscription
          required: true
          schema:
            type: string
        - name: supported-features
          in: query
          description: Supported Features
          schema:
             $ref: 'TS29571_CommonData.yaml#/components/schemas/SupportedFeatures'
      requestBody:
        content:
          application/json-patch+json:
            schema:
              type: array
              items:
                $ref: 'TS29571_CommonData.yaml#/components/schemas/PatchItem'
              minItems: 1
        required: true
      responses:
        '200':
          description: Expected response to a valid request
          content:
            application/json:
              schema:
                $ref: 'TS29571_CommonData.yaml#/components/schemas/PatchResult'
        '204':
          description: Successful modification
        '307':
          $ref: 'TS29571_CommonData.yaml#/components/responses/307'
        '308':
          $ref: 'TS29571_CommonData.yaml#/components/responses/308'
        '400':
          $ref: 'TS29571_CommonData.yaml#/components/responses/400'
        '403':
          $ref: 'TS29571_CommonData.yaml#/components/responses/403'
        '404':
          $ref: 'TS29571_CommonData.yaml#/components/responses/404'
        '500':
          $ref: 'TS29571_CommonData.yaml#/components/responses/500'
        '503':
          $ref: 'TS29571_CommonData.yaml#/components/responses/503'
        default:
          $ref: 'TS29571_CommonData.yaml#/components/responses/default'

components:

  securitySchemes:
    oAuth2ClientCredentials:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: '{nrfApiRoot}/oauth2/token'
          scopes:
            nhss-gba-sdm: Access to the Nhss GBA Subscription Data Management API
            nhss-gba-sdm:subscriber-data:read: Access to read the GBA Subscriber Data resource
            nhss-gba-sdm:subscriptions:create: Access to create Subscriptions resources
            nhss-gba-sdm:subscription:modify: Access to update/delete a Subscription resource

  schemas:

#
# COMPLEX TYPES:
#

    GbaSubscriberData:
      description: >
        GBA subscriber data of the UE; it includes the GBA User Security Settings (GUSS) data
      type: object
      properties:
        guss:
          $ref: '#/components/schemas/Guss'

    Guss:
      description: >
        GBA User Security Settings of the UE; it includes information about the BSF,
        and a list of User Security Settings
      type: object
      properties:
        bsfInfo:
          $ref: '#/components/schemas/BsfInfo'
        ussList:
          type: array
          items:
            $ref: 'TS29309_Nbsp_GBA.yaml#/components/schemas/UssListItem'
          minItems: 1

    BsfInfo:
      description: >
        Information about the BSF; it includes an indication of whether GBA or GBA_U is to be used,
        the key lifetime and a user-specific list of security features
      type: object
      properties:
        uiccType:
          $ref: '#/components/schemas/UiccType'
        lifeTime:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/DurationSec'
        securityFeatures:
          type: array
          items:
            $ref: 'TS29309_Nbsp_GBA.yaml#/components/schemas/SecFeature'
          minItems: 1

    GbaSdmSubscription:
      description: >
        Information about a subscription created in the HSS, so the consumer (e.g. BSF) can be
        notified when there are changes on the monitored data
      type: object
      required:
        - nfInstanceId
        - callbackReference
        - monitoredResourceUris
      properties:
        nfInstanceId:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/NfInstanceId'
        callbackReference:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/Uri'
        monitoredResourceUris:
          type: array
          items:
            $ref: 'TS29571_CommonData.yaml#/components/schemas/Uri'
          minItems: 1
        expires:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/DateTime'

#
# SIMPLE TYPES:
#

    UeId:
      description: UE ID can be MSISDN, IMSI, IMPI or IMPU
      anyOf:
        - $ref: '#/components/schemas/Msisdn'
        - $ref: '#/components/schemas/Imsi'
        - $ref: 'TS29562_Nhss_imsSDM.yaml#/components/schemas/ImsUeId'

    Msisdn:
      description: MS-ISDN of the UE
      type: string
      pattern: '^msisdn-[0-9]{5,15}$'

    Imsi:
      description: IMSI of the UE
      type: string
      pattern: '^imsi-[0-9]{5,15}$'

#
# ENUMS:
#

    UiccType:
      description: Indicates whether GBA or GBA_U is to be used
      anyOf:
        - type: string
          enum:
            - GBA
            - GBA_U
        - type: string
