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New API Plan

This document outlines the endpoints and specifications for creating a new version of the outdated server API currently in use.
To be PR'd into the original as a replacement at a later date

Specifications

Namespace: /api/v1/*

GET /users - List all user data (No passwords ofc)
Response:

  • (200) Should always be ok unless the server is unreachable

Convenience methods:
GET /users/status - List all user data WITH their latest sessions
Responses: User objects with a session key in each containing their latest session (See /user and /session/latest)

WS /ws/users/status - Invoked each time any user has their status change (Provides the new user status)
Response:

  • (200) Contains the changed user in the user key and message_id and next_message_id to detect missed messages

GET /user - Public user data (Auth header)
Response:

  • (200) User object is returned. Not in a user key

Errors:

  • 404 user_not_found when the user with the corresponding auth header does not exist

POST /user - Add user (Admin auth header)
Input: New user object in body
Response:

  • (200) New user object is returned (Same form as /user)

Errors:

  • 401 not_authed when no admin header is provided
  • 401 invalid_admin_auth when admin header is invalid
  • 409 user_already_exists when a user with the same password exists

PUT /user - Edit user (Changing passwords etc) (Auth header)
Input: New user object in body
Response:

  • (200) New user object is returned (Same form as /user)

Errors:

  • 401 not_authed when no admin header is provided
  • 401 invalid_admin_auth when admin header is invalid
  • 404 user_not_found when no user with the provided auth header exists

(Option) PATCH /user/password - Alternative user edit options (Changing passwords etc) (Auth header)
Response:

  • (204) No content is returned. Success

Errors:

  • 422 invalid_password Password is invalid. Other errors may be more specific in the future

DELETE /user - Delete the user (Admin auth header) Response:

  • (204) No content is returned

Warnings:

  • (204) user_already_deleted User has already been deleted. No content is returned

Errors:

  • 401 not_authed when no admin header is provided
  • 401 invalid_admin_auth when admin header is invalid

GET /user/sessions - All user sessions (Auth header) (Admin auth header) Response:

  • (200) List of sessions in the sessions key

Errors:

  • 401 not_authed when no auth header is provided
  • 401 invalid_admin_auth when an invalid admin auth header is provided
  • 404 user_not_found when no user with a matching auth header is found

GET /users/sessions - All user sessions grouped by user (Admin auth header) Response:

  • (200) All sessions from all users in [user id]: [sessions] format

Errors:

  • 401 not_authed when no admin auth header is provided
  • 401 invalid_admin_auth when an invalid admin auth header is provided

POST /user/sessions - For creating a completely new and arbitrary session (Admin auth header) Input: A complete session object under the session key and the target user's identifier as user_id
Response:

  • (200) New session is returned

Errors:

  • 401 not_authed when no auth header is provided
  • 401 invalid_admin_auth when an invalid admin auth header is provided
  • 404 user_not_found when no user with a matching auth header is found
  • 422 user_not_specified when no target user to add the session to is specified

DELETE /user/session/:session-id - For removing a specific session (Admin auth header)
Response:

  • (204) No content returned. Successfully deleted

Errors:

  • 401 not_authed when no admin auth header is provided
  • 401 invalid_admin_auth when an invalid admin auth header is provided

GET /user/session/latest - Latest session (Auth header)
Response:

  • (200) Returns the latest session

Warnings:

  • (204) NO_SESSIONS No session is found

Errors:

  • 401 not_authed when no auth header is provided
  • 404 user_not_found when no user with a matching auth header is found

PATCH /user/session/latest - Switch to log out (Auth header)
Input: Use method key for sign_in or sign_out
Response:

  • (200) Success. Returns the updated session even if no changes were made

Errors:

  • 401 not_authed when no auth header is provided
  • 404 user_not_found when no user with a matching auth header is found

POST /user/auth/exchange - Given a password, returns a randomly generated, valid api key that does not expire for the user
Input: Send password in body in the password key
Response:

  • (200) API key is provided in the api_key field

Errors:

  • 401 invalid_password No user with this password exists

POST /user/auth/revoke - Revokes and regenerates the api key
Errors:

  • 401 not_authed when no auth header is provided
  • 404 user_not_found when no user with a matching auth header is found

Response:

  • (200) Successfully revoked API key. Returns new key under the new_api_key key

Auth notes

As a side effect of revoke, all auth-related endpoints can fail with error: "AUTH_REVOKED_BY_USER"

API Responses

After consuming/checking the status of the request, deleting the keys ok, warning, and error should leave a standard response for the endpoint for storing in a variable or state

{
	"ok": "true/false",
	"warning": "UNKNOWN_WARNING",
	"error": "UNKNOWN_ERROR",
	"other data": {
		"...stuff": "etc"
	}
}

Additional Convenience Routes

POST /users/status/sync - For syncing data to external sources on-demand
Response:

  • (200) Successful sync

Errors:

  • (500) sync_failed - Generic failure code. More specific codes added as needed

Considerations

Since not being able to find the user is also indicates an invalid API key, the code returned could be unauthorized instead.

For the admin side of things, an identifier still has to be chosen. It will likely be the SQL row id

To differentiate an admin key from a user key, admin keys and user keys will be prefixed differently. Likely A- for admins and U- for users.

Admin API key exchange may be worth adding at a later date to avoid leaking the credentials with physical device access

Logging can be added silently to any endpoint, provided it fails silently in most cases.

There are no GETs or other methods for /user/session/:session-id