travelynx/lib/Travelynx/Controller/Api.pm
2019-12-14 23:46:36 +01:00

527 lines
11 KiB
Perl
Executable file

package Travelynx::Controller::Api;
use Mojo::Base 'Mojolicious::Controller';
use DateTime;
use List::Util;
use Travel::Status::DE::IRIS::Stations;
use UUID::Tiny qw(:std);
sub make_token {
return create_uuid_as_string(UUID_V4);
}
sub sanitize {
my ( $type, $value ) = @_;
if ( not defined $value ) {
return undef;
}
if ( $type eq '' ) {
return '' . $value;
}
return 0 + $value;
}
sub documentation {
my ($self) = @_;
$self->render('api_documentation');
}
sub get_v0 {
my ($self) = @_;
my $api_action = $self->stash('user_action');
my $api_token = $self->stash('token');
if ( $api_action !~ qr{ ^ (?: status | history | action ) $ }x ) {
$self->render(
json => {
error => 'Invalid action',
},
);
return;
}
if ( $api_token !~ qr{ ^ (?<id> \d+ ) - (?<token> .* ) $ }x ) {
$self->render(
json => {
error => 'Malformed token',
},
);
return;
}
my $uid = $+{id};
$api_token = $+{token};
my $token = $self->get_api_token($uid);
if ( $api_token ne $token->{$api_action} ) {
$self->render(
json => {
error => 'Invalid token',
},
);
return;
}
if ( $api_action eq 'status' ) {
my $status = $self->get_user_status($uid);
my @station_descriptions;
my $station_eva = undef;
my $station_lon = undef;
my $station_lat = undef;
if ( $status->{arr_ds100} // $status->{dep_ds100} ) {
@station_descriptions
= Travel::Status::DE::IRIS::Stations::get_station(
$status->{arr_ds100} // $status->{dep_ds100} );
}
if ( @station_descriptions == 1 ) {
( undef, undef, $station_eva, $station_lon, $station_lat )
= @{ $station_descriptions[0] };
}
$self->render(
json => {
deprecated => \1,
checked_in => (
$status->{checked_in}
or $status->{cancelled}
) ? \1 : \0,
station => {
ds100 => $status->{arr_ds100} // $status->{dep_ds100},
name => $status->{arr_name} // $status->{dep_name},
uic => $station_eva,
longitude => $station_lon,
latitude => $station_lat,
},
train => {
type => $status->{train_type},
line => $status->{train_line},
no => $status->{train_no},
},
actionTime => $status->{timestamp}->epoch,
scheduledTime => $status->{sched_arrival}->epoch
|| $status->{sched_departure}->epoch,
realTime => $status->{real_arrival}->epoch
|| $status->{real_departure}->epoch,
},
);
}
else {
$self->render(
json => {
error => 'not implemented',
},
);
}
}
sub get_v1 {
my ($self) = @_;
my $api_action = $self->stash('user_action');
my $api_token = $self->stash('token');
if ( $api_action !~ qr{ ^ (?: status | history | action ) $ }x ) {
$self->render(
json => {
error => 'Invalid action',
},
);
return;
}
if ( $api_token !~ qr{ ^ (?<id> \d+ ) - (?<token> .* ) $ }x ) {
$self->render(
json => {
error => 'Malformed token',
},
);
return;
}
my $uid = $+{id};
$api_token = $+{token};
if ( $uid > 2147483647 ) {
$self->render(
json => {
error => 'Malformed token',
},
);
return;
}
my $token = $self->get_api_token($uid);
if ( $api_token ne $token->{$api_action} ) {
$self->render(
json => {
error => 'Invalid token',
},
);
return;
}
if ( $api_action eq 'status' ) {
$self->render( json => $self->get_user_status_json_v1($uid) );
}
else {
$self->render(
json => {
error => 'not implemented',
},
);
}
}
sub travel_v1 {
my ($self) = @_;
my $payload = $self->req->json;
my $api_token = $payload->{token} // '';
if ( $api_token !~ qr{ ^ (?<id> \d+ ) - (?<token> .* ) $ }x ) {
$self->render(
json => {
success => \0,
error => 'Malformed JSON or malformed token',
},
);
return;
}
my $uid = $+{id};
$api_token = $+{token};
if ( $uid > 2147483647 ) {
$self->render(
json => {
success => \0,
error => 'Malformed token',
},
);
return;
}
my $token = $self->get_api_token($uid);
if ( $api_token ne $token->{'travel'} ) {
$self->render(
json => {
success => \0,
error => 'Invalid token',
},
);
return;
}
if ( not exists $payload->{action}
or $payload->{action} !~ m{^(checkin|checkout|undo)$} )
{
$self->render(
json => {
success => \0,
error => 'Missing or invalid action',
},
);
return;
}
if ( $payload->{action} eq 'checkin' ) {
my $from_station = sanitize( q{}, $payload->{fromStation} );
my $to_station = sanitize( q{}, $payload->{toStation} );
my $train_id;
if ( exists $payload->{train}{id} ) {
$train_id = sanitize( 0, $payload->{train}{id} );
}
else {
my $train_type = sanitize( q{}, $payload->{train}{type} );
my $train_no = sanitize( q{}, $payload->{train}{no} );
my $status = $self->get_departures( $from_station, 140, 40, 0 );
if ( $status->{errstr} ) {
$self->render(
json => {
success => \0,
error => 'Fehler am Abfahrtsbahnhof: '
. $status->{errstr},
status => $self->get_user_status_json_v1($uid)
}
);
return;
}
my ($train) = List::Util::first {
$_->type eq $train_type and $_->train_no eq $train_no
}
@{ $status->{results} };
if ( not defined $train ) {
$self->render(
json => {
success => \0,
error => 'Fehler am Abfahrtsbahnhof: '
. $status->{errstr},
status => $self->get_user_status_json_v1($uid)
}
);
return;
}
$train_id = $train->train_id;
}
my ( $train, $error )
= $self->checkin( $from_station, $train_id, $uid );
if ( $payload->{comment} ) {
$self->update_in_transit_comment(
sanitize( q{}, $payload->{comment} ), $uid );
}
if ( $to_station and not $error ) {
( $train, $error ) = $self->checkout( $to_station, 0, $uid );
}
if ($error) {
$self->render(
json => {
success => \0,
error => $error,
status => $self->get_user_status_json_v1($uid)
}
);
}
else {
$self->render(
json => {
success => \1,
status => $self->get_user_status_json_v1($uid)
}
);
}
}
elsif ( $payload->{action} eq 'checkout' ) {
my $to_station = sanitize( q{}, $payload->{toStation} );
if ( $payload->{comment} ) {
$self->update_in_transit_comment(
sanitize( q{}, $payload->{comment} ), $uid );
}
my ( $train, $error )
= $self->checkout( $to_station, $payload->{force} ? 1 : 0, $uid );
if ($error) {
$self->render(
json => {
success => \0,
error => $error,
status => $self->get_user_status_json_v1($uid)
}
);
}
else {
$self->render(
json => {
success => \1,
status => $self->get_user_status_json_v1($uid)
}
);
}
}
elsif ( $payload->{action} eq 'undo' ) {
my $error = $self->undo( 'in_transit', $uid );
if ($error) {
$self->render(
json => {
success => \0,
error => $error,
status => $self->get_user_status_json_v1($uid)
}
);
}
else {
$self->render(
json => {
success => \1,
status => $self->get_user_status_json_v1($uid)
}
);
}
}
}
sub import_v1 {
my ($self) = @_;
my $payload = $self->req->json;
my $api_token = $payload->{token} // '';
if ( $api_token !~ qr{ ^ (?<id> \d+ ) - (?<token> .* ) $ }x ) {
$self->render(
json => {
success => \0,
error => 'Malformed JSON or malformed token',
},
);
return;
}
my $uid = $+{id};
$api_token = $+{token};
if ( $uid > 2147483647 ) {
$self->render(
json => {
success => \0,
error => 'Malformed token',
},
);
return;
}
my $token = $self->get_api_token($uid);
if ( $api_token ne $token->{'import'} ) {
$self->render(
json => {
success => \0,
error => 'Invalid token',
},
);
return;
}
if ( not exists $payload->{fromStation}
or not exists $payload->{toStation} )
{
$self->render(
json => {
success => \0,
error => 'missing fromStation or toStation',
},
);
return;
}
my %opt;
eval {
%opt = (
uid => $uid,
train_type => sanitize( q{}, $payload->{train}{type} ),
train_no => sanitize( q{}, $payload->{train}{no} ),
train_line => sanitize( q{}, $payload->{train}{line} ),
cancelled => $payload->{cancelled} ? 1 : 0,
dep_station => sanitize( q{}, $payload->{fromStation}{name} ),
arr_station => sanitize( q{}, $payload->{toStation}{name} ),
sched_departure =>
sanitize( 0, $payload->{fromStation}{scheduledTime} ),
rt_departure => sanitize(
0,
$payload->{fromStation}{realTime}
// $payload->{fromStation}{scheduledTime}
),
sched_arrival =>
sanitize( 0, $payload->{toStation}{scheduledTime} ),
rt_arrival => sanitize(
0,
$payload->{toStation}{realTime}
// $payload->{toStation}{scheduledTime}
),
comment => sanitize( q{}, $payload->{comment} ),
);
if ( $payload->{route} and ref( $payload->{route} ) eq 'ARRAY' ) {
$opt{route}
= [ map { sanitize( q{}, $_ ) } @{ $payload->{route} } ];
}
for my $key (qw(sched_departure rt_departure sched_arrival rt_arrival))
{
$opt{$key} = DateTime->from_epoch(
time_zone => 'Europe/Berlin',
epoch => $opt{$key}
);
}
};
if ($@) {
my ($first_line) = split( qr{\n}, $@ );
$self->render(
json => {
success => \0,
error => $first_line
}
);
return;
}
my $db = $self->pg->db;
my $tx = $db->begin;
$opt{db} = $db;
my ( $journey_id, $error ) = $self->add_journey(%opt);
my $journey;
if ( not $error ) {
$journey = $self->get_journey(
uid => $uid,
db => $db,
journey_id => $journey_id,
verbose => 1
);
$error = $self->journey_sanity_check($journey);
}
if ($error) {
$self->render(
json => {
success => \0,
error => $error
}
);
}
elsif ( $payload->{dryRun} ) {
$self->render(
json => {
success => \1,
id => $journey_id,
result => $journey
}
);
}
else {
$tx->commit;
$self->render(
json => {
success => \1,
id => $journey_id,
result => $journey
}
);
}
}
sub set_token {
my ($self) = @_;
if ( $self->validation->csrf_protect->has_error('csrf_token') ) {
$self->render( 'account', invalid => 'csrf' );
return;
}
my $token = make_token();
my $token_id = $self->app->token_type->{ $self->param('token') };
if ( not $token_id ) {
$self->redirect_to('account');
return;
}
if ( $self->param('action') eq 'delete' ) {
$self->pg->db->delete(
'tokens',
{
user_id => $self->current_user->{id},
type => $token_id
}
);
}
else {
$self->pg->db->insert(
'tokens',
{
user_id => $self->current_user->{id},
type => $token_id,
token => $token
},
{
on_conflict => \
'(user_id, type) do update set token = EXCLUDED.token'
},
);
}
$self->redirect_to('account');
}
1;