View Source oidcc
OpenID Connect client library for Erlang.
The refactoring for v3
and the certification is funded as an
Erlang Ecosystem Foundation stipend entered by the
Security Working Group.
setup
Setup
erlang
Erlang
directly
{ok, Pid} =
oidcc_provider_configuration_worker:start_link(#{
issuer => <<"https://accounts.google.com">>,
name => {local, google_config_provider}
}).
via supervisor
-behaviour(supervisor).
%% ...
init(_Args) ->
SupFlags = #{strategy => one_for_one},
ChildSpecs = [#{id => oidcc_provider_configuration_worker,
start => {oidcc_provider_configuration_worker, start_link, [
#{issuer => "https://accounts.google.com",
name => {local, myapp_oidcc_config_provider}}
]},
shutdown => brutal_kill}],
{ok, {SupFlags, ChildSpecs}}.
elixir
Elixir
directly
{:ok, _pid} =
Oidcc.ProviderConfiguration.Worker.start_link(%{
issuer: "https://accounts.google.com/",
name: Myapp.OidccConfigProvider
})
via Supervisor
Supervisor.init([
{Oidcc.ProviderConfiguration.Worker, %{
issuer: "https://accounts.google.com",
name: Myapp.OidccConfigProvider
}}
], strategy: :one_for_one)
usage
Usage
companion-libraries
Companion libraries
oidcc
offers integrations for various libraries:
erlang-1
Erlang
%% Create redirect URI for authorization
{ok, RedirectUri} =
oidcc:create_redirect_url(myapp_oidcc_config_provider,
<<"client_id">>,
<<"client_secret">>
#{redirect_uri: <<"https://example.com/callback"}),
%% Redirect user to `RedirectUri`
%% Retrieve `code` query / form param from redirect back
%% Exchange code for token
{ok, Token} =
oidcc:retrieve_token(AuthCode,
myapp_oidcc_config_provider,
<<"client_id">>,
<<"client_secret">>,
#{redirect_uri => <<"https://example.com/callback">>}),
%% Load userinfo for token
{ok, Claims} =
oidcc:retrieve_userinfo(Token,
myapp_oidcc_config_provider,
<<"client_id">>,
<<"client_secret">>,
#{}),
%% Load introspection for access token
{ok, Introspection} =
oidcc:introspect_token(Token,
myapp_oidcc_config_provider,
<<"client_id">>,
<<"client_secret">>,
#{}),
%% Refresh token when it expires
{ok, RefreshedToken} =
oidcc:refresh_token(Token,
myapp_oidcc_config_provider,
<<"client_id">>,
<<"client_secret">>,
#{}).
for more details, see https://hexdocs.pm/expo/oidcc.html
elixir-1
Elixir
# Create redirect URI for authorization
{:ok, redirect_uri} =
Oidcc.create_redirect_url(
Myapp.OidccConfigProvider,
"client_id",
"client_secret",
%{redirect_uri: "https://example.com/callback"}
)
# Redirect user to `redirect_uri`
# Retrieve `code` query / form param from redirect back
# Exchange code for token
{:ok, token} = Oidcc.retrieve_token(
auth_code,
Myapp.OidccConfigProvider,
"client_id",
"client_secret",
%{redirect_uri: "https://example.com/callback"}
)
# Load userinfo for token
{:ok, Claims} = Oidcc.retrieve_userinfo(
token,
Myapp.OidccConfigProvider,
"client_id",
"client_secret",
%{expected_subject: "sub"}
)
# Load introspection for access token
{:ok, introspection} = Oidcc.introspect_token(
token,
Myapp.OidccConfigProvider,
"client_id",
"client_secret"
)
# Refresh token when it expires
{:ok, refreshed_token} = Oidcc.refresh_token(
token,
Myapp.OidccConfigProvider,
"client_id",
"client_secret"
)