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package FixMyStreet::App::Controller::Auth::Social;
use Moose;
use namespace::autoclean;
BEGIN { extends 'Catalyst::Controller'; }
use Net::Facebook::Oauth2;
use Net::Twitter::Lite::WithAPIv1_1;
=head1 NAME
FixMyStreet::App::Controller::Auth::Social - Catalyst Controller
=head1 DESCRIPTION
Controller for the Facebook/Twitter authentication.
=head1 METHODS
=head2 facebook_sign_in
Starts the Facebook authentication sequence.
=cut
sub fb : Private {
my ($self, $c) = @_;
Net::Facebook::Oauth2->new(
application_id => $c->config->{FACEBOOK_APP_ID},
application_secret => $c->config->{FACEBOOK_APP_SECRET},
callback => $c->uri_for('/auth/Facebook'),
);
}
sub facebook_sign_in : Private {
my ( $self, $c ) = @_;
$c->detach( '/page_error_403_access_denied', [] ) if FixMyStreet->config('SIGNUPS_DISABLED');
my $fb = $c->forward('fb');
my $url = $fb->get_authorization_url(scope => ['email']);
my %oauth;
$oauth{return_url} = $c->get_param('r');
$oauth{detach_to} = $c->stash->{detach_to};
$oauth{detach_args} = $c->stash->{detach_args};
$c->session->{oauth} = \%oauth;
$c->res->redirect($url);
}
=head2 facebook_callback
Handles the Facebook callback request and completes the authentication sequence.
=cut
sub facebook_callback: Path('/auth/Facebook') : Args(0) {
my ( $self, $c ) = @_;
$c->detach('oauth_failure') if $c->get_param('error_code');
my $fb = $c->forward('fb');
my $access_token;
eval {
$access_token = $fb->get_access_token(code => $c->get_param('code'));
};
if ($@) {
(my $message = $@) =~ s/at [^ ]*Auth.pm.*//;
$c->detach('/page_error_500_internal_error', [ $message ]);
}
# save this token in session
$c->session->{oauth}{token} = $access_token;
my $info = $fb->get('https://graph.facebook.com/me?fields=name,email')->as_hash();
my $email = lc ($info->{email} || "");
$c->forward('oauth_success', [ 'facebook', $info->{id}, $info->{name}, $email ]);
}
=head2 twitter_sign_in
Starts the Twitter authentication sequence.
=cut
sub tw : Private {
my ($self, $c) = @_;
Net::Twitter::Lite::WithAPIv1_1->new(
ssl => 1,
consumer_key => $c->config->{TWITTER_KEY},
consumer_secret => $c->config->{TWITTER_SECRET},
);
}
sub twitter_sign_in : Private {
my ( $self, $c ) = @_;
$c->detach( '/page_error_403_access_denied', [] ) if FixMyStreet->config('SIGNUPS_DISABLED');
my $twitter = $c->forward('tw');
my $url = $twitter->get_authentication_url(callback => $c->uri_for('/auth/Twitter'));
my %oauth;
$oauth{return_url} = $c->get_param('r');
$oauth{detach_to} = $c->stash->{detach_to};
$oauth{detach_args} = $c->stash->{detach_args};
$oauth{token} = $twitter->request_token;
$oauth{token_secret} = $twitter->request_token_secret;
$c->session->{oauth} = \%oauth;
$c->res->redirect($url);
}
=head2 twitter_callback
Handles the Twitter callback request and completes the authentication sequence.
=cut
sub twitter_callback: Path('/auth/Twitter') : Args(0) {
my ( $self, $c ) = @_;
my $request_token = $c->req->param('oauth_token');
my $verifier = $c->req->param('oauth_verifier');
my $oauth = $c->session->{oauth};
$c->detach('oauth_failure') if $c->get_param('denied') || $request_token ne $oauth->{token};
my $twitter = $c->forward('tw');
$twitter->request_token($oauth->{token});
$twitter->request_token_secret($oauth->{token_secret});
eval {
# request_access_token no longer returns UID or name
$twitter->request_access_token(verifier => $verifier);
};
if ($@) {
(my $message = $@) =~ s/at [^ ]*Auth.pm.*//;
$c->detach('/page_error_500_internal_error', [ $message ]);
}
my $info = $twitter->verify_credentials();
$c->forward('oauth_success', [ 'twitter', $info->{id}, $info->{name} ]);
}
sub oauth_failure : Private {
my ( $self, $c ) = @_;
$c->stash->{oauth_failure} = 1;
if ($c->session->{oauth}{detach_to}) {
$c->detach($c->session->{oauth}{detach_to}, $c->session->{oauth}{detach_args});
} else {
$c->stash->{template} = 'auth/general.html';
$c->detach;
}
}
sub oauth_success : Private {
my ($self, $c, $type, $uid, $name, $email) = @_;
my $user;
if ($email) {
# Only Facebook gets here
# We've got an ID and an email address
# Remove any existing mention of this ID
my $existing = $c->model('DB::User')->find( { facebook_id => $uid } );
$existing->update( { facebook_id => undef } ) if $existing;
# Get or create a user, give it this Facebook ID
$user = $c->model('DB::User')->find_or_new( { email => $email } );
$user->facebook_id($uid);
$user->name($name);
$user->in_storage() ? $user->update : $user->insert;
} else {
# We've got an ID, but no email
$user = $c->model('DB::User')->find( { $type . '_id' => $uid } );
if ($user) {
# Matching ID in our database
$user->name($name);
$user->update;
} else {
# No matching ID, store ID for use later
$c->session->{oauth}{$type . '_id'} = $uid;
$c->stash->{oauth_need_email} = 1;
}
}
# If we've got here with a full user, log in
if ($user) {
$c->authenticate( { email => $user->email, email_verified => 1 }, 'no_password' );
$c->stash->{login_success} = 1;
}
if ($c->session->{oauth}{detach_to}) {
$c->detach($c->session->{oauth}{detach_to}, $c->session->{oauth}{detach_args});
} elsif ($c->stash->{oauth_need_email}) {
$c->stash->{template} = 'auth/general.html';
} else {
$c->detach( '/auth/redirect_on_signin', [ $c->session->{oauth}{return_url} ] );
}
}
__PACKAGE__->meta->make_immutable;
1;
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