openapi: 3.1.0
info:
  title: Forithmus Challenge Platform 2fa auth API
  version: 1.0.0
tags:
- name: auth
paths:
  /auth/signup:
    post:
      tags:
      - auth
      summary: Signup
      description: 'Create a new user account.

        Validates policy acceptance, hashes the password with bcrypt, creates the User row,

        issues tokens. Also generates an email verification token (logged for now: email sending TBD).

        Collects identity and affiliation fields required for profile completeness

        (inspired by Grand Challenge).'
      operationId: signup_auth_signup_post
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SignupRequest'
        required: true
      responses:
        '201':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TokenResponse'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
  /auth/login:
    post:
      tags:
      - auth
      summary: Login
      description: 'Authenticate with email and password.

        Verifies password with bcrypt, checks account is active, issues tokens.'
      operationId: login_auth_login_post
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/LoginRequest'
        required: true
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TokenResponse'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
  /auth/google/state:
    get:
      tags:
      - auth
      summary: Google Auth State
      description: 'Generate a cryptographic state token for Google OAuth CSRF protection (C-03).

        The frontend must include this state in the OAuth flow and send it back

        with the authorization code. State is stored in Redis with a 10-minute TTL.'
      operationId: google_auth_state_auth_google_state_get
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
  /auth/google:
    post:
      tags:
      - auth
      summary: Google Auth
      description: 'Sign in or sign up with Google OAuth.


        Flow:

        1. Frontend gets authorization code from Google Sign-In redirect

        2. Backend exchanges code for access token via Google''s token endpoint

        3. Backend fetches user info from Google''s userinfo endpoint

        4. If email exists in our DB: login (link Google ID if not already linked)

        5. If email is new: create user, mark email verified, profile_completed=False

        6. Return JWT tokens + user profile + is_new flag'
      operationId: google_auth_auth_google_post
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/GoogleAuthRequest'
        required: true
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GoogleAuthResponse'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
  /auth/refresh:
    post:
      tags:
      - auth
      summary: Refresh
      description: 'Exchange a valid refresh token for a new access token and a new refresh token.

        Security: the old refresh token is revoked and a new one is issued (token rotation)

        to limit the replay window if a refresh token is stolen.'
      operationId: refresh_auth_refresh_post
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/RefreshRequest'
        required: true
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AccessTokenResponse'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
  /auth/logout:
    post:
      tags:
      - auth
      summary: Logout
      description: Revoke a refresh token (logout from one device).
      operationId: logout_auth_logout_post
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/RefreshRequest'
        required: true
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
  /auth/cli-session:
    post:
      tags:
      - auth
      summary: Create Cli Session
      description: 'Create a CLI auth session. The CLI generates a session_id,

        opens the browser, and polls /cli-session/{id} until the user logs in.'
      operationId: create_cli_session_auth_cli_session_post
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CLISessionRequest'
        required: true
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
  /auth/cli-session/{session_id}/complete:
    post:
      tags:
      - auth
      summary: Complete Cli Session
      description: 'Complete a CLI auth session. Called by the frontend after the user logs in.

        Generates tokens and stores them in the session for the CLI to poll.'
      operationId: complete_cli_session_auth_cli_session__session_id__complete_post
      parameters:
      - name: session_id
        in: path
        required: true
        schema:
          type: string
          title: Session Id
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
  /auth/cli-session/{session_id}:
    get:
      tags:
      - auth
      summary: Poll Cli Session
      description: Poll a CLI auth session. Returns tokens when the user completes browser login.
      operationId: poll_cli_session_auth_cli_session__session_id__get
      parameters:
      - name: session_id
        in: path
        required: true
        schema:
          type: string
          title: Session Id
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
  /auth/verify-email:
    post:
      tags:
      - auth
      summary: Verify Email
      description: 'Verify a user''s email address using a signed token.

        The token is a JWT with purpose="email_verify" and the user ID as subject.'
      operationId: verify_email_auth_verify_email_post
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/VerifyEmailRequest'
        required: true
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
  /auth/resend-verification:
    post:
      tags:
      - auth
      summary: Resend Verification
      description: 'Generate a new email verification token for the authenticated user.

        Requires a valid access token. Logs the verification URL (email sending TBD).'
      operationId: resend_verification_auth_resend_verification_post
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
  /auth/forgot-password:
    post:
      tags:
      - auth
      summary: Forgot Password
      description: 'Generate a password reset token. Always returns 200 regardless of whether

        the email exists (prevents email enumeration attacks).'
      operationId: forgot_password_auth_forgot_password_post
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ForgotPasswordRequest'
        required: true
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
  /auth/reset-password:
    post:
      tags:
      - auth
      summary: Reset Password
      description: 'Reset a user''s password using a signed token.

        Revokes all existing refresh tokens for the user (forces re-login everywhere).'
      operationId: reset_password_auth_reset_password_post
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ResetPasswordRequest'
        required: true
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
components:
  schemas:
    TokenResponse:
      properties:
        access_token:
          anyOf:
          - type: string
          - type: 'null'
          title: Access Token
        refresh_token:
          anyOf:
          - type: string
          - type: 'null'
          title: Refresh Token
        token_type:
          type: string
          title: Token Type
          default: bearer
        user:
          anyOf:
          - $ref: '#/components/schemas/UserOut'
          - type: 'null'
        requires_2fa:
          type: boolean
          title: Requires 2Fa
          default: false
        requires_2fa_setup:
          type: boolean
          title: Requires 2Fa Setup
          default: false
        challenge_token:
          anyOf:
          - type: string
          - type: 'null'
          title: Challenge Token
      type: object
      title: TokenResponse
      description: 'Response from login/signup: includes both tokens and the user profile.

        When requires_2fa is True, tokens are null and the client must complete

        the 2FA challenge using the challenge_token at POST /auth/2fa/verify.'
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    VerifyEmailRequest:
      properties:
        token:
          type: string
          title: Token
      type: object
      required:
      - token
      title: VerifyEmailRequest
      description: Request body for POST /auth/verify-email.
    ResetPasswordRequest:
      properties:
        token:
          type: string
          title: Token
        new_password:
          type: string
          maxLength: 128
          minLength: 12
          title: New Password
      type: object
      required:
      - token
      - new_password
      title: ResetPasswordRequest
      description: Request body for POST /auth/reset-password.
    ForgotPasswordRequest:
      properties:
        email:
          type: string
          format: email
          title: Email
      type: object
      required:
      - email
      title: ForgotPasswordRequest
      description: Request body for POST /auth/forgot-password.
    GoogleAuthResponse:
      properties:
        access_token:
          anyOf:
          - type: string
          - type: 'null'
          title: Access Token
        refresh_token:
          anyOf:
          - type: string
          - type: 'null'
          title: Refresh Token
        token_type:
          type: string
          title: Token Type
          default: bearer
        user:
          anyOf:
          - $ref: '#/components/schemas/UserOut'
          - type: 'null'
        is_new:
          type: boolean
          title: Is New
        requires_2fa:
          type: boolean
          title: Requires 2Fa
          default: false
        challenge_token:
          anyOf:
          - type: string
          - type: 'null'
          title: Challenge Token
      type: object
      required:
      - is_new
      title: GoogleAuthResponse
      description: 'Response from POST /auth/google: tokens, user profile, and new-user flag.

        When requires_2fa is True, tokens are null and the client must complete

        the 2FA challenge using the challenge_token at POST /auth/2fa/verify.'
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
            - type: string
            - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
      type: object
      required:
      - loc
      - msg
      - type
      title: ValidationError
    UserOut:
      properties:
        id:
          type: string
          format: uuid
          title: Id
        email:
          type: string
          title: Email
        first_name:
          type: string
          title: First Name
        last_name:
          type: string
          title: Last Name
        institution:
          type: string
          title: Institution
        department:
          type: string
          title: Department
        country:
          type: string
          title: Country
        bio:
          type: string
          title: Bio
        website:
          type: string
          title: Website
        avatar_url:
          type: string
          title: Avatar Url
        avatar_color:
          anyOf:
          - type: integer
          - type: 'null'
          title: Avatar Color
        platform_role:
          type: string
          title: Platform Role
        platform_credits:
          type: number
          title: Platform Credits
        email_verified:
          type: boolean
          title: Email Verified
        edu_email:
          anyOf:
          - type: string
          - type: 'null'
          title: Edu Email
        edu_email_verified:
          type: boolean
          title: Edu Email Verified
          default: false
        is_active:
          type: boolean
          title: Is Active
        has_google:
          type: boolean
          title: Has Google
          default: false
        oauth_provider:
          anyOf:
          - type: string
          - type: 'null'
          title: Oauth Provider
        profile_completed:
          type: boolean
          title: Profile Completed
          default: true
        consent_terms_at:
          anyOf:
          - type: string
            format: date-time
          - type: 'null'
          title: Consent Terms At
        consent_privacy_at:
          anyOf:
          - type: string
            format: date-time
          - type: 'null'
          title: Consent Privacy At
        consent_marketing:
          type: boolean
          title: Consent Marketing
          default: false
        deleted_at:
          anyOf:
          - type: string
            format: date-time
          - type: 'null'
          title: Deleted At
        totp_enabled:
          type: boolean
          title: Totp Enabled
          default: false
        created_at:
          type: string
          format: date-time
          title: Created At
        updated_at:
          anyOf:
          - type: string
            format: date-time
          - type: 'null'
          title: Updated At
      type: object
      required:
      - id
      - email
      - first_name
      - last_name
      - institution
      - department
      - country
      - bio
      - website
      - avatar_url
      - platform_role
      - platform_credits
      - email_verified
      - is_active
      - created_at
      - updated_at
      title: UserOut
      description: 'Full user representation returned by authenticated endpoints (e.g. GET /users/me).

        Includes identity, affiliation, platform role, and verification status.'
    AccessTokenResponse:
      properties:
        access_token:
          type: string
          title: Access Token
        refresh_token:
          anyOf:
          - type: string
          - type: 'null'
          title: Refresh Token
        token_type:
          type: string
          title: Token Type
          default: bearer
      type: object
      required:
      - access_token
      title: AccessTokenResponse
      description: 'Response from token refresh: new access token + rotated refresh token.

        Security: refresh tokens are rotated on each use to limit replay window.'
    RefreshRequest:
      properties:
        refresh_token:
          type: string
          title: Refresh Token
      type: object
      required:
      - refresh_token
      title: RefreshRequest
      description: Request body for POST /auth/refresh.
    LoginRequest:
      properties:
        email:
          type: string
          format: email
          title: Email
        password:
          type: string
          title: Password
      type: object
      required:
      - email
      - password
      title: LoginRequest
      description: Request body for POST /auth/login.
    GoogleAuthRequest:
      properties:
        code:
          type: string
          title: Code
        redirect_uri:
          type: string
          title: Redirect Uri
        state:
          type: string
          title: State
      type: object
      required:
      - code
      - redirect_uri
      - state
      title: GoogleAuthRequest
      description: 'Request body for POST /auth/google.

        Frontend sends the authorization code received from Google''s OAuth redirect,

        plus the redirect_uri that was used (must match for token exchange),

        and the state parameter for CSRF protection.'
    CLISessionRequest:
      properties:
        session_id:
          type: string
          title: Session Id
      type: object
      required:
      - session_id
      title: CLISessionRequest
      description: Create a CLI auth session for browser-based login.
    SignupRequest:
      properties:
        email:
          type: string
          format: email
          title: Email
        password:
          type: string
          maxLength: 128
          minLength: 8
          title: Password
        first_name:
          type: string
          maxLength: 30
          minLength: 1
          title: First Name
        last_name:
          type: string
          maxLength: 30
          minLength: 1
          title: Last Name
        institution:
          type: string
          maxLength: 100
          minLength: 1
          title: Institution
        department:
          type: string
          maxLength: 100
          minLength: 1
          title: Department
        country:
          type: string
          maxLength: 100
          minLength: 1
          title: Country
        accept_terms:
          type: boolean
          title: Accept Terms
          description: Must accept Terms of Service
        accept_privacy:
          type: boolean
          title: Accept Privacy
          description: Must accept Privacy Policy
      type: object
      required:
      - email
      - password
      - first_name
      - last_name
      - institution
      - department
      - country
      - accept_terms
      - accept_privacy
      title: SignupRequest
      description: 'Request body for POST /auth/signup.

        Collects identity, affiliation, and policy acceptance (inspired by Grand Challenge).

        All identity/affiliation fields are required for profile completeness.'