| 1 |
|
-module(cyrsasl_oauth). |
| 2 |
|
-author('adrian.stachurski@erlang-solutions.com'). |
| 3 |
|
|
| 4 |
|
-export([mechanism/0, mech_new/3, mech_step/2]). |
| 5 |
|
|
| 6 |
|
-ignore_xref([mech_new/3]). |
| 7 |
|
|
| 8 |
|
-behaviour(cyrsasl). |
| 9 |
|
|
| 10 |
|
-record(state, {creds}). |
| 11 |
|
|
| 12 |
|
-spec mechanism() -> cyrsasl:mechanism(). |
| 13 |
|
mechanism() -> |
| 14 |
6812 |
<<"X-OAUTH">>. |
| 15 |
|
|
| 16 |
|
-spec mech_new(Host :: jid:server(), |
| 17 |
|
Creds :: mongoose_credentials:t(), |
| 18 |
|
Socket :: term()) -> {ok, tuple()}. |
| 19 |
|
mech_new(_Host, Creds, _Socket) -> |
| 20 |
7 |
{ok, #state{creds = Creds}}. |
| 21 |
|
|
| 22 |
|
-spec mech_step(State :: tuple(), |
| 23 |
|
ClientIn :: binary()) -> {ok, mongoose_credentials:t()} |
| 24 |
|
| {error, binary()}. |
| 25 |
|
mech_step(#state{creds = Creds}, SerializedToken) -> |
| 26 |
|
%% SerializedToken is a token decoded from CDATA <auth/> body sent by client |
| 27 |
7 |
HostType = mongoose_credentials:host_type(Creds), |
| 28 |
7 |
case mod_auth_token:authenticate(HostType, SerializedToken) of |
| 29 |
|
% Validating access token |
| 30 |
|
{ok, AuthModule, User} -> |
| 31 |
2 |
{ok, mongoose_credentials:extend(Creds, |
| 32 |
|
[{username, User}, |
| 33 |
|
{auth_module, AuthModule}])}; |
| 34 |
|
% Validating refresh token and returning new tokens |
| 35 |
|
{ok, AuthModule, User, AccessToken} -> |
| 36 |
2 |
{ok, mongoose_credentials:extend(Creds, |
| 37 |
|
[{username, User}, |
| 38 |
|
{auth_module, AuthModule}, |
| 39 |
|
{sasl_success_response, AccessToken}])}; |
| 40 |
|
{error, {Username, _}} -> |
| 41 |
2 |
{error, <<"not-authorized">>, Username}; |
| 42 |
|
{error, _Reason} -> |
| 43 |
1 |
{error, <<"not-authorized">>} |
| 44 |
|
end. |