Purpose

This WS is designed to authorize users scopes. Requested scopes should be allowed for user role, client type and clients broker scopes.

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1. This method should be reachable only by the eHealth authorization front-end application.

2. This method is idempotent.

3. After creating Approval user should be redirected toredirect_urluri withcode and state (if it was specified in request) query parameter.

Specification

Apiary

Validations

Validate token

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• Check scope field exists in request and is not empty

  • in case error - return 422 ('Requested scope is empty. Scope not passed or user has no roles or global roles.')

• Extract user_id from token. Search for user roles and global user roles in mithril database. Check that value in scope field exists in scopes for user roles or global roles

  • in case error - return 401 ('Scope is not allowed by user role.')

• Get client type scopes by client_id. Check that value in scope field exists in scopes for client type

  • in case error return 401 ('Scope is not allowed by client type.')

Validate confidant person and relationship (optional)

This additional validations must be done only for patients token - if person_id exists in token details and is not empty.

Get applicant_person_id from token details, compare it to person_id from token:

• if equal - check whether person corresponds to following rules:

  • persons age < no_self_registration_age global parameter;

  • persons age between no_self_registration_age and person_full_legal_capacity_age global parameters and person does not have document with type from PIS_PERSON_LEGAL_CAPACITY_DOCUMENT_TYPES config parameter;

  • persons age > person_full_legal_capacity_age global parameter and exists at least one active and approved confidant person relationship for person (using following process /wiki/spaces/PCAB/pages/17415995422 with person_id = person_id from token details - expected :ok, :approved response)

    • if person does not correspond to rules - skip validation

    • if person corresponds to rules - check that requested scopes exist in PIS_READ_ONLY_SCOPES_ALLOWED config parameter

      • in case of error - return 422 ('Requested scopes do not match with allowed scopes for the user.')

• if not equal - get confidant person relationship status using following process /wiki/spaces/PCAB/pages/17415995422 with person_id = person_id and confidant_person_id = applicant_person_id from token details:

  • if process returns :error, :not_found - return 401 ('Can’t confirm relationship')

  • if process returns :ok, :approved - skip validation

  • if process returns :ok, :not_approved - check that requested scopes exist in PIS_NOT_VERIFIED_RELATIONSHIP_SCOPES_ALLOWED config parameter

    • in case of error - return 422 ('Requested scopes do not match with allowed scopes for the user.')

Check relationship between patient and confidant person (optional)

This validation must be done only in case user_id and applicant_user_id are different as it means that it is a part of confidant person process. In such case we must ensure that relationship between both persons exist and is valid

Get person_id and applicant_person_id from token details

Check relationship using /wiki/spaces/PCAB/pages/17415995422 Relationship between Confidant Patient and Related Patient validation algorithm and having person_id and applicant_person_id

1. If relationship doesn’t exist - return 401 ('Can’t confirm relationship')

Maximum tokes limit for client (optional)

Get maximum tokens limit for client from maximum_tokens_limit field in priv_settings of client:

• if value exists and is not empty - get current tokens count of client from Redis database, key client_tokens_limit_<<client_id>> (with client_id = id of client from request; if key does not exist in Redis database - assume that count for client = 0), compare two values:

  • if current tokens count < maximum tokens limit - authorize an approval for a client, update current tokens count for client in Redis database (add 1 to key client_tokens_limit_<<client_id>> value)

  • if current tokens count >= maximum tokens limit - return 401 ('Maximum tokens limit for client exceeded')

• if value does not exist or is empty or NULL - skip validation

Service logic

1. Determine scopes to be approved

   1. If relationship confirmed - proceed with requested scopes

   2. If relationship exists but not confirmed - filter requested scopes with allowed scopes (env PIS_NOT_VERIFIED_RELATIONSHIP_SCOPES_ALLOWED). So get only scopes that is in allowed list

2. Approve requested scopes for client_id and user_id. (list of scopes determined in p.1)

3. Add or update approved scopes list for user and client in mithril database, apps table, set:

   1. id = autogenerate uuid (for new record)

   2. scope = scope

   3. user_id = user_id

   4. client_id = client_id

   5. applicant_user_id = value of details.applicant_user_id from Authorization header token, if exists, else user_id

   6. inserted_at = now() (for new record)

   7. updated_at = now()

4. Generate ‘authorization code’ token, save token to mithril database, tokens table, set:

   1. id = token uuid

   2. name = 'authorization_code'

   3. value = hashed token

   4. expires_at = date and time when token will be expired in unix-time format

   5. details = additional details of token (scope_request, client_id, grant_type, redirect_uri, applicant_user_id, applicant_person_id, app_id)

      1. applicant_user_id = value of details.applicant_user_id from Authorization header token (if exists)

      2. applicant_person_id = value of details.applicant_person_id from Authorization header token (if exists)

      3. app_id = uuid of approval between user_id, applicant_user_id and client_id

   6. user_id = user_id

   7. inserted_at = now()

   8. updated_at = now()

5. Generate urgent data – add authorization code token value to redirect_uri value.

6. Render a response according to specification.