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.IX Title "OAuth::Lite2::Client::ClientCredentials 3pm"
.TH OAuth::Lite2::Client::ClientCredentials 3pm "2023-02-05" "perl v5.36.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.nh
.SH "NAME"
OAuth::Lite2::Client::ClientCredentials \- OAuth 2.0 ClientCredentials Profile Client
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 5
\&    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);
\&        ...
\&    }
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
OAuth 2.0 ClientCredentials Profile Client.
.ie n .SS "new( %params )"
.el .SS "new( \f(CW%params\fP )"
.IX Subsection "new( %params )"
.IP "id" 4
.IX Item "id"
Client \s-1ID\s0
.IP "secret" 4
.IX Item "secret"
Client secret
.IP "access_token_uri" 4
.IX Item "access_token_uri"
token endpoint uri on auth-server.
.IP "refresh_token_uri" 4
.IX Item "refresh_token_uri"
refresh-token endpoint uri on auth-server.
if you omit this, access_token_uri is used instead.
.IP "agent" 4
.IX Item "agent"
user agent. if you omit this, LWP::UserAgent's object is set by default.
You can use your custom agent or preset-agents.
.Sp
See also
.Sp
OAuth::Lite2::Agent::Dump
OAuth::Lite2::Agent::Strict
OAuth::Lite2::Agent::PSGIMock
.ie n .SS "get_access_token( %params )"
.el .SS "get_access_token( \f(CW%params\fP )"
.IX Subsection "get_access_token( %params )"
.IP "scope" 4
.IX Item "scope"
.ie n .SS "refresh_access_token( %params )"
.el .SS "refresh_access_token( \f(CW%params\fP )"
.IX Subsection "refresh_access_token( %params )"
.PD 0
.IP "refresh_token" 4
.IX Item "refresh_token"
.PD
.ie n .SS "get_grouping_refresh_token( %params )"
.el .SS "get_grouping_refresh_token( \f(CW%params\fP )"
.IX Subsection "get_grouping_refresh_token( %params )"
.IP "client_id" 4
.IX Item "client_id"
.PD 0
.IP "client_secret" 4
.IX Item "client_secret"
.IP "refresh_token" 4
.IX Item "refresh_token"
.IP "scope" 4
.IX Item "scope"
.PD
.SS "last_request"
.IX Subsection "last_request"
Returns a HTTP::Request object that is used
when you obtain or refresh access token last time internally.
.SS "last_request"
.IX Subsection "last_request"
Returns a HTTP::Response object that is used
when you obtain or refresh access token last time internally.
.SH "AUTHOR"
.IX Header "AUTHOR"
Lyo Kato, <lyo.kato@gmail.com>
.SH "COPYRIGHT AND LICENSE"
.IX Header "COPYRIGHT AND LICENSE"
Copyright (C) 2010 by Lyo Kato
.PP
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.