openapi: 3.0.3
info:
  title: Edinburgh DataShare REST Bitstreams API
  description: Public read-only DSpace 6 legacy REST API for Edinburgh DataShare, the University of Edinburgh's open-access research-data repository. Allows programmatic querying of communities, collections, items, bitstreams and the metadata/schema registry. Responses are JSON. This specification was reconstructed from the live API index at https://datashare.ed.ac.uk/rest and verified against live responses; only the documented public GET endpoints are described here.
  version: 6.x
  contact:
    name: Edinburgh DataShare
    url: https://datashare.ed.ac.uk/
  license:
    name: DSpace BSD License
    url: https://github.com/DSpace/DSpace/blob/dspace-6_x/LICENSE
servers:
- url: https://datashare.ed.ac.uk/rest
  description: Edinburgh DataShare production REST endpoint
tags:
- name: Bitstreams
  description: Binary files attached to items
paths:
  /bitstreams:
    get:
      tags:
      - Bitstreams
      summary: List bitstreams
      description: Return all bitstreams in DSpace.
      operationId: getBitstreams
      parameters:
      - $ref: '#/components/parameters/expand'
      - $ref: '#/components/parameters/limit'
      - $ref: '#/components/parameters/offset'
      responses:
        '200':
          description: Array of bitstreams.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Bitstream'
  /bitstreams/{bitstreamId}:
    get:
      tags:
      - Bitstreams
      summary: Get bitstream
      description: Return the specified bitstream.
      operationId: getBitstream
      parameters:
      - $ref: '#/components/parameters/bitstreamId'
      - $ref: '#/components/parameters/expand'
      responses:
        '200':
          description: The requested bitstream.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Bitstream'
        '404':
          $ref: '#/components/responses/NotFound'
  /bitstreams/{bitstreamId}/policy:
    get:
      tags:
      - Bitstreams
      summary: Get bitstream policies
      description: Return policies of the specified bitstream.
      operationId: getBitstreamPolicy
      parameters:
      - $ref: '#/components/parameters/bitstreamId'
      responses:
        '200':
          description: Array of resource policies.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/ResourcePolicy'
  /bitstreams/{bitstreamId}/retrieve:
    get:
      tags:
      - Bitstreams
      summary: Retrieve bitstream content
      description: Return the contents (raw bytes) of the specified bitstream.
      operationId: retrieveBitstream
      parameters:
      - $ref: '#/components/parameters/bitstreamId'
      responses:
        '200':
          description: The binary contents of the bitstream.
          content:
            application/octet-stream:
              schema:
                type: string
                format: binary
components:
  parameters:
    offset:
      name: offset
      in: query
      required: false
      description: Offset into the result set for pagination.
      schema:
        type: integer
        default: 0
    bitstreamId:
      name: bitstreamId
      in: path
      required: true
      description: UUID of the bitstream.
      schema:
        type: string
        format: uuid
    expand:
      name: expand
      in: query
      required: false
      description: Comma-separated list of optional fields to expand in the response (e.g. metadata, bitstreams, collections, parentCommunity, all).
      schema:
        type: string
      example: metadata,bitstreams
    limit:
      name: limit
      in: query
      required: false
      description: Maximum number of records to return.
      schema:
        type: integer
        default: 100
  schemas:
    Bitstream:
      allOf:
      - $ref: '#/components/schemas/DSpaceObject'
      - type: object
        properties:
          bundleName:
            type: string
            description: Bundle the bitstream belongs to (e.g. ORIGINAL, THUMBNAIL, CC-LICENSE).
          description:
            type: string
            nullable: true
          format:
            type: string
            description: Human-readable format label (e.g. JPEG).
          mimeType:
            type: string
          sizeBytes:
            type: integer
            format: int64
          parentObject:
            type: object
            nullable: true
          retrieveLink:
            type: string
          checkSum:
            $ref: '#/components/schemas/CheckSum'
          sequenceId:
            type: integer
          policies:
            type: array
            nullable: true
            items:
              $ref: '#/components/schemas/ResourcePolicy'
    CheckSum:
      type: object
      properties:
        value:
          type: string
        checkSumAlgorithm:
          type: string
          example: MD5
    DSpaceObject:
      type: object
      description: Common fields shared by all DSpace REST objects.
      properties:
        uuid:
          type: string
          format: uuid
        name:
          type: string
        handle:
          type: string
          nullable: true
          description: Persistent handle identifier (e.g. 10283/928).
        type:
          type: string
          enum:
          - community
          - collection
          - item
          - bitstream
        expand:
          type: array
          items:
            type: string
        link:
          type: string
          description: Relative REST link to this object.
    ResourcePolicy:
      type: object
      properties:
        id:
          type: integer
        action:
          type: string
        epersonId:
          type: integer
        groupId:
          type: integer
        resourceId:
          type: integer
        resourceType:
          type: string
        rpDescription:
          type: string
          nullable: true
        rpName:
          type: string
          nullable: true
        rpType:
          type: string
          nullable: true
        startDate:
          type: string
          nullable: true
        endDate:
          type: string
          nullable: true
  responses:
    NotFound:
      description: The requested resource was not found.
      content:
        application/json:
          schema:
            type: object
            properties:
              message:
                type: string