Define common error codes in the Identity Service API

Fixes https://github.com/matrix-org/matrix-doc/issues/1407
pull/1556/head
Travis Ralston 6 years ago
parent 5f06694b6f
commit 811998735c

@ -56,6 +56,75 @@ is left as an exercise for the client.
3PID types are described in `3PID Types`_ Appendix. 3PID types are described in `3PID Types`_ Appendix.
API Standards
-------------
The mandatory baseline for identity service communication in Matrix is exchanging
JSON objects over HTTP APIs. HTTPS is required for communication, and all API calls
use a Content-Type of ``application/json``. In addition, strings MUST be encoded as
UTF-8.
Any errors which occur at the Matrix API level MUST return a "standard error response".
This is a JSON object which looks like:
.. code:: json
{
"errcode": "<error code>",
"error": "<error message>"
}
The ``error`` string will be a human-readable error message, usually a sentence
explaining what went wrong. The ``errcode`` string will be a unique string
which can be used to handle an error message e.g. ``M_FORBIDDEN``. There may be
additional keys depending on the error, but the keys ``error`` and ``errcode``
MUST always be present.
Some standard error codes are below:
:``M_NOT_FOUND``:
The resource requested could not be located.
:``M_MISSING_PARAMS``:
The request was missing one or more parameters.
:``M_INVALID_PARAM``:
The request contained one or more invalid parameters.
:``M_SESSION_NOT_VALIDATED``:
The session has not been validated.
:``M_NO_VALID_SESSION``:
A session could not be located for the given parameters.
:``M_SESSION_EXPIRED``:
The session has expired and must be renewed.
:``M_INVALID_EMAIL``:
The email address provided was not valid.
:``M_EMAIL_SEND_ERROR``:
There was an error sending an email. Typically seen when attempting to verify
ownership of a given email address.
:``M_INVALID_ADDRESS``:
The provided third party address was not valid.
:``M_SEND_ERROR``:
There was an error sending a notification. Typically seen when attempting to
verify ownership of a given third party address.
:``M_UNRECOGNIZED``:
The request contained an unrecognised value, such as an unknown token or medium.
:``M_THREEPID_IN_USE``:
The third party identifier is already in use by another user. Typically this
error will have an additional ``mxid`` property to indicate who owns the
third party identifier.
:``M_UNKNOWN``:
An unknown error has occurred.
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