openapi: 3.2.0
info:
  title: Tvarka Atk Validation API
  version: 1.3.0
  description: 'Operations tagged Validation across 2 of this provider''s published API definitions: tvarka-atk-api-openapi-original.json, tvarka-atk-api-sign-openapi.yaml. Each path carries the servers of the definition it was published in.'
servers:
- url: https://atk.tvarka.pro/v1
  description: 'Production. Sandbox runs on the same host - provider credentials issued with

    environment=sandbox get the identical API against test-card material and are never billed.

    '
security:
- basicAuth: []
tags:
- name: Validation
  description: Standalone advisory validation of signed artifacts.
paths:
  /validation:
    servers:
    - url: https://atk.tvarka.pro/v1
      description: 'Production. Sandbox runs on the same host - provider credentials issued with

        environment=sandbox get the identical API against test-card material and are never billed.

        '
    post:
      tags:
      - Validation
      operationId: validateDocument
      summary: Validate an existing signed document or container
      description: 'Paid-tier, Basic-authenticated synchronous service. SiVa backs PAdES/ASiC-E and can return

        `passed`/`failed`. ADOC runs Tvarka''s internal STRUCTURAL inspector, which performs no

        cryptographic verification and therefore never returns `passed` - a structurally sound ADOC

        yields `status: structural`. The verdict is advisory, not a regulatory conclusion. A

        successful service call emits exactly one `atk.validate` event. `Idempotency-Key` makes network

        retries replay the original response without a second event.

        '
      security:
      - basicAuth: []
      parameters:
      - $ref: '#/components/parameters/SignIdempotencyKey'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SignValidationServiceRequest'
      responses:
        '200':
          description: Advisory validation result.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SignValidationServiceResult'
        '400':
          $ref: '#/components/responses/SignBadRequest'
        '401':
          $ref: '#/components/responses/SignUnauthorized'
        '403':
          $ref: '#/components/responses/SignForbidden'
        '409':
          $ref: '#/components/responses/SignConflict'
        '413':
          $ref: '#/components/responses/SignTooLarge'
        '429':
          $ref: '#/components/responses/SignRateLimited'
        '503':
          $ref: '#/components/responses/SignServiceUnavailable'
components:
  schemas:
    SignErrorCode:
      type: string
      description: 'The full stable error-code catalog of the ATK API family (auth + sign + services);

        each endpoint returns the subset that applies to it. By HTTP status:

        400 invalid_json, missing_field, invalid_field, invalid_webhook_url, invalid_document_ref.

        401 invalid_basic_credentials, invalid_client_token, client_token_expired,

        operation_token_expired, invalid_download_token.

        403 origin_not_allowed, ip_not_allowed, format_not_allowed, document_ref_host_not_allowed,

        method_not_allowed, tenant_suspended, tier_forbidden.

        404 request_not_found, pairing_not_found, document_not_ready.

        409 request_terminal, operation_token_spent, identity_swap, idempotency_conflict,

        service_in_progress, pairing_not_available, pairing_already_claimed.

        410 pairing_expired. 413 document_too_large.

        422 cert_invalid, untrusted_chain, cert_revoked, cert_expired, not_qualified,

        cert_purpose_mismatch, signature_invalid, document_hash_mismatch, document_size_mismatch.

        429 rate_limited. 500 assembly_failed. 502 document_ref_fetch_failed.

        503 erasure_failed, pairing_service_unavailable, service_unavailable.

        The catalog can grow in minor versions - fall back to HTTP status semantics

        for codes you do not recognize.

        '
      enum:
      - invalid_json
      - missing_field
      - invalid_field
      - invalid_webhook_url
      - invalid_document_ref
      - invalid_basic_credentials
      - invalid_client_token
      - client_token_expired
      - operation_token_expired
      - invalid_download_token
      - origin_not_allowed
      - ip_not_allowed
      - format_not_allowed
      - document_ref_host_not_allowed
      - method_not_allowed
      - tenant_suspended
      - tier_forbidden
      - request_not_found
      - pairing_not_found
      - document_not_ready
      - request_terminal
      - operation_token_spent
      - identity_swap
      - idempotency_conflict
      - service_in_progress
      - pairing_not_available
      - pairing_already_claimed
      - pairing_expired
      - document_too_large
      - cert_invalid
      - untrusted_chain
      - cert_revoked
      - cert_expired
      - not_qualified
      - cert_purpose_mismatch
      - signature_invalid
      - document_hash_mismatch
      - document_size_mismatch
      - rate_limited
      - assembly_failed
      - document_ref_fetch_failed
      - erasure_failed
      - pairing_service_unavailable
      - service_unavailable
    SignValidationServiceResult:
      type: object
      required:
      - requestId
      - status
      - validation
      properties:
        requestId:
          type: string
          format: uuid
        status:
          type: string
          const: done
        validation:
          type: object
          required:
          - status
          - level
          - policy
          - report
          properties:
            status:
              type: string
              enum:
              - passed
              - failed
              - structural
              description: '`passed`/`failed` come from SiVa (pades/asice). ADOC uses the internal

                structural inspector and never returns `passed`; a structurally sound

                container yields `structural`.

                '
            level:
              type: string
            policy:
              type: string
              enum:
              - qes
              - aes
            report:
              type: object
              additionalProperties: true
    SignErrorBody:
      type: object
      required:
      - code
      - message
      properties:
        code:
          $ref: '#/components/schemas/SignErrorCode'
          description: 'Stable machine code. documentRef failures use `invalid_document_ref`,

            `document_ref_host_not_allowed`, `document_ref_fetch_failed`,

            `document_size_mismatch`, `document_hash_mismatch`, or `document_too_large`.

            '
        message:
          type: string
        requestId:
          type: string
          format: uuid
        retryable:
          type: boolean
    SignValidationServiceRequest:
      type: object
      required:
      - format
      additionalProperties: false
      oneOf:
      - required:
        - document
        properties:
          document: {}
          documentRef: {}
        not:
          required:
          - documentRef
          properties:
            documentRef: {}
      - required:
        - documentRef
        properties:
          documentRef: {}
          document: {}
        not:
          required:
          - document
          properties:
            document: {}
      properties:
        format:
          type: string
          enum:
          - pades
          - asice
          - adoc
        filename:
          type: string
        mimeType:
          type: string
        document:
          type: string
          format: byte
        documentRef:
          $ref: '#/components/schemas/SignDocumentRef'
        policy:
          type: string
          enum:
          - qes
          - aes
          default: qes
    SignDocumentRef:
      type: object
      description: 'Backend-fetched document. Hard SSRF controls apply - HTTPS only, host allow-list, no

        private/loopback/link-local, DNS-rebind protection, size cap enforced pre + mid stream, and the

        fetched bytes are verified against `sha256`. `authorization` is used only for the fetch, never

        logged or persisted.

        '
      required:
      - url
      - sha256
      - sizeBytes
      additionalProperties: false
      properties:
        url:
          type: string
          format: uri
          pattern: ^https://
        sha256:
          type: string
          pattern: ^[0-9a-fA-F]{64}$
        sizeBytes:
          type: integer
          minimum: 1
        authorization:
          type: string
          maxLength: 2048
    SignError:
      type: object
      required:
      - error
      properties:
        error:
          $ref: '#/components/schemas/SignErrorBody'
  responses:
    SignTooLarge:
      description: Document exceeds the tenant's max size.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/SignError'
    SignRateLimited:
      description: Too many requests.
      headers:
        Retry-After:
          schema:
            type: integer
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/SignError'
    SignConflict:
      description: Spent operation token, identity swap, terminal request, or idempotency conflict/in-progress operation.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/SignError'
    SignBadRequest:
      description: Malformed input (e.g. container format without document, hash without raw).
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/SignError'
    SignServiceUnavailable:
      description: Validation/TSA/revocation dependency failed transiently; retry with the same Idempotency-Key.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/SignError'
    SignUnauthorized:
      description: Missing/invalid credentials or client token.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/SignError'
    SignForbidden:
      description: Format not allowed / origin not allowed / tenant suspended.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/SignError'
  parameters:
    SignIdempotencyKey:
      name: Idempotency-Key
      in: header
      required: true
      description: 1-255 visible characters; scoped to provider + service operation.
      schema:
        type: string
        minLength: 1
        maxLength: 255
  securitySchemes:
    basicAuth:
      type: http
      scheme: basic
      description: 'Provider server-to-server credentials `keyId:keySecret`. Server-to-server only, also gated by the

        provider''s server IP allow-list. Never placed in a browser/mobile client.

        '
    clientToken:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: 'Short-lived, per-request JWT (`ES256`) minted at request creation, scoped

        `{tenant, requestId, purpose, method, allowedOrigins}`. Safe to hand to a browser/mobile client:

        it cannot create requests, read tenant data, or touch other requests. For browser clients the API

        enforces `Origin` against `allowedOrigins` (rejects cross-origin replay).

        '
    downloadToken:
      type: apiKey
      in: query
      name: downloadToken
      description: One-off token returned with a completed sign result, for fetching the signed document.
externalDocs:
  description: Quickstart, SDKs, test data, pricing and lifecycle policy
  url: https://atk.tvarka.pro/docs/
x-refined-from:
- tvarka-atk-api-openapi-original.json
- tvarka-atk-api-sign-openapi.yaml