NAME

OAuth::Lite2::Client::ClientCredentials - OAuth 2.0 ClientCredentials Profile Client

SYNOPSIS

    my $client = OAuth::Lite2::Client::WebServer->new(
        id               => q{my_client_id},
        secret           => q{my_client_secret},
        access_token_uri => q{http://example.org/token},
    );

    sub get_access_token {
        my $your_app = shift;

        my $access_token = $client->get_access_token(
            scope => q{photo}, 
        ) or return $your_app->error( $client->errstr );

        $your_app->store->save( access_token  => $access_token->access_token  );
        $your_app->store->save( expires_at    => time() + $access_token->expires_in    );
        $your_app->store->save( refresh_token => $access_token->refresh_token );
    }

    sub refresh_access_token {
        my $your_app = shift;

        my $access_token = $client->refresh_access_token(
            refresh_token => $refresh_token,
        ) or return $your_app->error( $client->errstr );

        $your_app->store->save( access_token  => $access_token->access_token  );
        $your_app->store->save( expires_at    => time() + $access_token->expires_in    );
        $your_app->store->save( refresh_token => $access_token->refresh_token );
    }

    sub access_to_protected_resource {
        my $your_app = shift;

        my $access_token  = $your_app->store->get("access_token");
        my $expires_at    = $your_app->store->get("expires_at");
        my $refresh_token = $your_app->store->get("refresh_token");

        unless ($access_token) {
            $your_app->show_reauthorize_page();
            return;
        }

        if ($expires_at < time()) {
            $your_app->refresh_access_token();
            return;
        }

        my $req = HTTP::Request->new( GET => q{http://example.org/photo} );
        $req->header( Authorization => sprintf(q{OAuth %s}, $access_token) );
        my $agent = LWP::UserAgent->new;
        my $res = $agent->request($req);
        ...
    }

DESCRIPTION

OAuth 2.0 ClientCredentials Profile Client.

new( %params )

id

Client ID

secret

Client secret

access_token_uri

token endpoint uri on auth-server.

refresh_token_uri

refresh-token endpoint uri on auth-server. if you omit this, access_token_uri is used instead.

agent

user agent. if you omit this, LWP::UserAgent's object is set by default. You can use your custom agent or preset-agents.

See also

OAuth::Lite2::Agent::Dump OAuth::Lite2::Agent::Strict OAuth::Lite2::Agent::PSGIMock

get_access_token( %params )

scope

refresh_access_token( %params )

refresh_token

get_grouping_refresh_token( %params )

client_id

client_secret

refresh_token

scope

last_request

Returns a HTTP::Request object that is used when you obtain or refresh access token last time internally.

last_request

Returns a HTTP::Response object that is used when you obtain or refresh access token last time internally.

AUTHOR

Lyo Kato, <lyo.kato@gmail.com>

COPYRIGHT AND LICENSE

Copyright (C) 2010 by Lyo Kato

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.8 or, at your option, any later version of Perl 5 you may have available.