Revision 242 (by ahitrov, 2012/09/13 17:48:36) |
AUTH::Mailru
|
package session::AUTH::FaceBook;
use strict;
use warnings;
use LWP::UserAgent;
use JSON::XS;
use Data::Dumper;
use URI;
use URI::QueryParam;
use Encode;
use Contenido::Globals;
use vars qw($VERSION);
$VERSION = '4.1';
=for rem
facebook:
auto_create_user: 1
app_id: 15 decimal digits
app_secret: 32 hex digits
authorize_url: https://www.facebook.com/dialog/oauth
access_token_url: https://graph.facebook.com/oauth/access_token
user_info_url: https://graph.facebook.com/me
user_post_url: ~
state: is passed back to your app as a parameter of the redirect_uri when the user completed the authentication
store:
class: "+Comments::Authentication::Store"
type: facebook
=cut
our $JSON = JSON::XS->new->utf8;
=for rem SCHEMA
$m->redirect ( $fb_connect->authorize_url( facebook_redirect_uri => ... )->as_string );
=cut
sub new {
my ($class, %config) = @_;
my $self = bless {}, $class;
$self->{facebook_authorize_url} = 'https://www.facebook.com/dialog/oauth';
$self->{facebook_access_token_url} = 'https://graph.facebook.com/oauth/access_token';
$self->{facebook_user_info_url} = 'https://graph.facebook.com/me';
for (qw(facebook_app_id facebook_app_secret)) {
$self->{$_} = $config{$_} || $state->{session}{$_} || return undef;
}
$self->{timeout} = $state->{session}{connection_timeout} || 3;
for (qw(facebook_user_post_url facebook_redirect_uri)) {
$self->{$_} = $config{$_} || $state->{session}{$_};
}
return $self;
}
sub authorize_url {
my $self = shift;
my (%args) = @_;
my $go = URI->new( $self->{facebook_authorize_url} );
$go->query_param( client_id => $self->{facebook_app_id} );
$go->query_param( state => $args{state} ) if $args{state};
$go->query_param( scope => "publish_stream" );
$args{redirect_uri} ||= $self->{facebook_redirect_uri};
for ( keys %args ) {
$go->query_param( $_ => $args{$_} );
}
warn Dumper($go) if $DEBUG;
return $go;
}
sub authenticate {
my ( $self, %authinfo ) = @_;
warn "FB.authenticate" if $DEBUG;
# TODO: we need callback url
my $local_session = $session || $keeper->{session}->get_session;
my $redirect_uri = $self->{facebook_redirect_uri};
my $access_token = $local_session->{facebook_access_token};
my $expires = $local_session->{facebook_expires};
if ($access_token and $expires > time) {
warn "Already have access_token" if $DEBUG;
} else {
undef $access_token;
}
my $code = $authinfo{'code'};
unless ( $code ) {
warn "Call to authenticate without code";
return undef;
}
my $ua = LWP::UserAgent->new;
$ua->timeout($self->{timeout});
unless ($access_token) {
my $req = URI->new( $self->{facebook_access_token_url});
$req->query_param( client_id => $self->{facebook_app_id} );
$req->query_param( redirect_uri => $redirect_uri );
$req->query_param( client_secret=> $self->{facebook_app_secret} );
$req->query_param( code => $code);
warn "Get $req" if $DEBUG;
my $res = $ua->get($req);
unless ($res->code == 200) {
warn "access_token request failed: ".$res->status_line;
return undef;
}
my %res = eval { URI->new("?".$res->content)->query_form };
warn Dumper(\%res) if $DEBUG;
unless ($access_token = $res{access_token}) {
warn "No access token in response: ".$res->content;
return undef;
}
$keeper->{session}->store_value( facebook_access_token => $access_token );
$local_session->{facebook_access_token} = $access_token;
if( my $expires = $res{expires} ) {
$local_session->{facebook_expires} = time + $expires;
$keeper->{session}->store_value( facebook_expires => $local_session->{facebook_expires} );
} else {
#$c->user_session->{'expires'} = time + 3600*24;
}
warn "FB: requested access token" if $DEBUG;
} else {
warn "FB: have access token" if $DEBUG;
}
my $req = URI->new( $self->{facebook_user_info_url} );
$req->query_param( access_token => $access_token );
warn "Fetching user $req" if $DEBUG;
my $res = $ua->get($req);
unless ($res->code == 200) {
warn "user request failed: ".$res->status_line;
return undef;
}
my $info;
unless ( $info = eval { JSON::XS->new->utf8->decode($res->content) } ) {
warn "user '".$res->content."' decode failed: $@";
return undef;
}
warn "Userhash = ".Dumper($info) if $DEBUG;
#warn "facebook: user=$info->{name} / $info->{id} / $info->{gender}";
$keeper->{session}->delete_key( 'facebook_redirect_url' );
delete $local_session->{facebook_redirect_url};
my @plugins = split (/[\ |\t]+/, $state->{plugins});
if ( grep { $_ eq 'users' } @plugins ) {
my $user = $keeper->{users}->get_profile( login => 'facebook:'.$info->{id} );
unless ( ref $user ) {
my $user_class = $state->{users}->profile_document_class;
$user = $user_class->new( $keeper );
$user->login( 'facebook:'.$info->{id} );
my $name = Encode::encode('utf-8', $info->{name});
$user->name( $name );
$user->status( 1 );
$user->type( 0 );
$user->login_method('facebook');
$user->country( $info->{locale} );
$user->email( undef );
my ($prop_ava) = grep { $_->{attr} eq 'avatar' && $_->{type} eq 'image' } $user->structure;
if ( ref $prop_ava ) {
my $avatar = $user->_store_image( 'https://graph.facebook.com/'.$info->{username}.'/picture?type=large', attr => 'avatar' );
$user->avatar( $user->_serialize($avatar) );
}
$user->store;
} else {
my ($prop_ava) = grep { $_->{attr} eq 'avatar' && $_->{type} eq 'image' } $user->structure;
if ( ref $prop_ava ) {
my $avatar = $user->get_image( 'avatar' );
unless ( ref $avatar && exists $avatar->{filename} ) {
my $avatar = $user->_store_image( 'https://graph.facebook.com/'.$info->{username}.'/picture?type=large', attr => 'avatar' );
$user->avatar( $user->_serialize($avatar) );
$user->store;
}
}
}
my %data = (
id => $user->id,
name => $user->name,
login => $user->login,
status => $user->status,
type => $user->type,
ltime => time,
avatar => 'https://graph.facebook.com/'.$info->{username}.'/picture',
);
$keeper->{session}->store_value ( %data );
while ( my ( $key, $value ) = each %data ) {
$local_session->{$key} = $value;
}
} else {
my %data = (
id => $info->{id},
name => $name,
login => 'facebook:'.$info->{id},
status => 1,
type => 0,
auth_by => 'facebook',
ltime => time,
avatar => 'https://graph.facebook.com/'.$info->{username}.'/picture?type=large',
);
$keeper->{session}->store_value ( %data );
while ( my ( $key, $value ) = each %data ) {
$local_session->{$key} = $value;
}
}
return $local_session;
}
1;