centreon-plugins/apps/voip/3cx/restapi/custom/api.pm

302 lines
9.6 KiB
Perl

#
# Copyright 2019 Centreon (http://www.centreon.com/)
#
# Centreon is a full-fledged industry-strength solution that meets
# the needs in IT infrastructure and application monitoring for
# service performance.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
package apps::voip::3cx::restapi::custom::api;
use base qw(centreon::plugins::mode);
use strict;
use warnings;
use centreon::plugins::http;
use centreon::plugins::statefile;
use JSON::XS;
use Digest::MD5 qw(md5_hex);
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
bless $self, $class;
if (!defined($options{output})) {
print "Class Custom: Need to specify 'output' argument.\n";
exit 3;
}
if (!defined($options{options})) {
$options{output}->add_option_msg(short_msg => "Class Custom: Need to specify 'options' argument.");
$options{output}->option_exit();
}
if (!defined($options{noptions})) {
$options{options}->add_options(arguments => {
"hostname:s" => { name => 'hostname' },
"port:s" => { name => 'port'},
"proto:s" => { name => 'proto' },
"api-username:s" => { name => 'api_username' },
"api-password:s" => { name => 'api_password' },
"timeout:s" => { name => 'timeout', default => 30 },
});
}
$options{options}->add_help(package => __PACKAGE__, sections => 'REST API OPTIONS', once => 1);
$self->{output} = $options{output};
$self->{mode} = $options{mode};
$self->{http} = centreon::plugins::http->new(%options);
$self->{cache} = centreon::plugins::statefile->new(%options);
return $self;
}
sub set_options {
my ($self, %options) = @_;
$self->{option_results} = $options{option_results};
}
sub set_defaults {
my ($self, %options) = @_;
foreach (keys %{$options{default}}) {
if ($_ eq $self->{mode}) {
for (my $i = 0; $i < scalar(@{$options{default}->{$_}}); $i++) {
foreach my $opt (keys %{$options{default}->{$_}[$i]}) {
if (!defined($self->{option_results}->{$opt}[$i])) {
$self->{option_results}->{$opt}[$i] = $options{default}->{$_}[$i]->{$opt};
}
}
}
}
}
}
sub check_options {
my ($self, %options) = @_;
$self->{hostname} = (defined($self->{option_results}->{hostname})) ? $self->{option_results}->{hostname} : undef;
$self->{port} = (defined($self->{option_results}->{port})) ? $self->{option_results}->{port} : 443;
$self->{proto} = (defined($self->{option_results}->{proto})) ? $self->{option_results}->{proto} : 'https';
$self->{timeout} = (defined($self->{option_results}->{timeout})) ? $self->{option_results}->{timeout} : 30;
$self->{ssl_opt} = (defined($self->{option_results}->{ssl_opt})) ? $self->{option_results}->{ssl_opt} : undef;
$self->{api_username} = (defined($self->{option_results}->{api_username})) ? $self->{option_results}->{api_username} : undef;
$self->{api_password} = (defined($self->{option_results}->{api_password})) ? $self->{option_results}->{api_password} : undef;
if (!defined($self->{hostname}) || $self->{hostname} eq '') {
$self->{output}->add_option_msg(short_msg => "Need to specify --hostname option.");
$self->{output}->option_exit();
}
if (!defined($self->{api_username}) || $self->{api_username} eq '') {
$self->{output}->add_option_msg(short_msg => "Need to specify --api-username option.");
$self->{output}->option_exit();
}
if (!defined($self->{api_password}) || $self->{api_password} eq '') {
$self->{output}->add_option_msg(short_msg => "Need to specify --api-password option.");
$self->{output}->option_exit();
}
$self->{cache}->check_options(option_results => $self->{option_results});
return 0;
}
sub build_options_for_httplib {
my ($self, %options) = @_;
$self->{option_results}->{hostname} = $self->{hostname};
$self->{option_results}->{port} = $self->{port};
$self->{option_results}->{proto} = $self->{proto};
$self->{option_results}->{ssl_opt} = $self->{ssl_opt};
$self->{option_results}->{timeout} = $self->{timeout};
}
sub settings {
my ($self, %options) = @_;
$self->build_options_for_httplib();
$self->{http}->add_header(key => 'Content-Type', value => 'application/json;charset=UTF-8');
if (defined($self->{cookie}) && defined($self->{xsrf})) {
$self->{http}->add_header(key => 'Cookie', value => '.AspNetCore.Cookies=' . $self->{cookie});
$self->{http}->add_header(key => 'X-XSRF-TOKEN', value => $self->{xsrf});
}
$self->{http}->set_options(%{$self->{option_results}});
}
sub authenticate {
my ($self, %options) = @_;
my $has_cache_file = $options{statefile}->read(statefile => '3cx_api_' . md5_hex($self->{option_results}->{hostname}) . '_' . md5_hex($self->{option_results}->{api_username}));
my $cookie = $options{statefile}->get(name => 'cookie');
my $xsrf = $options{statefile}->get(name => 'xsrf');
my $expires_on = $options{statefile}->get(name => 'expires_on');
if ($has_cache_file == 0 || !defined($cookie) || !defined($xsrf) || (($expires_on - time()) < 10)) {
my $post_data = '{"Username":"' . $self->{api_username} . '",' .
'"Password":"' . $self->{api_password} . '"}';
$self->settings();
my $content = $self->{http}->request(
method => 'POST', query_form_post => $post_data,
url_path => '/api/login',
warning_status => '', unknown_status => '', critical_status => '%{http_code} < 200 or %{http_code} >= 300'
);
my $header = $self->{http}->get_header(name => 'Set-Cookie');
if (defined ($header) && $header =~ /(?:^| ).AspNetCore.Cookies=([^;]+);.*/) {
$cookie = $1;
} else {
$self->{output}->output_add(long_msg => $content, debug => 1);
$self->{output}->add_option_msg(short_msg => "Error retrieving cookie");
$self->{output}->option_exit();
}
if (defined ($header) && $header =~ /(?:^| )XSRF-TOKEN=([^;]+);.*/) {
$xsrf = $1;
} else {
$self->{output}->output_add(long_msg => $content, debug => 1);
$self->{output}->add_option_msg(short_msg => "Error retrieving xsrf-token");
$self->{output}->option_exit();
}
my $datas = { last_timestamp => time(), cookie => $cookie, xsrf => $xsrf, expires_on => time() + (3600 * 24) };
$options{statefile}->write(data => $datas);
}
$self->{cookie} = $cookie;
$self->{xsrf} = $xsrf;
}
sub request_api {
my ($self, %options) = @_;
if (!defined($self->{cookie})) {
$self->authenticate(statefile => $self->{cache});
}
$self->settings();
my $content = $self->{http}->request(%options,
warning_status => '', unknown_status => '', critical_status => '%{http_code} < 200 or %{http_code} >= 300'
);
# Some content may be strangely returned, for example : "[{\"Category\":\"provider\",\"Count\":1}]"
if ($content =~ /^"(\[.*\])"$/) {
$content = $1;
$content =~ s/\\"/"/g;
}
my $decoded;
eval {
$decoded = JSON::XS->new->utf8->decode($content);
};
if ($@) {
$self->{output}->output_add(long_msg => $content, debug => 1);
$self->{output}->add_option_msg(short_msg => "Cannot decode json response: $@");
$self->{output}->option_exit();
}
if (!defined($decoded)) {
$self->{output}->output_add(long_msg => $decoded, debug => 1);
$self->{output}->add_option_msg(short_msg => "Error while retrieving data (add --debug option for detailed message)");
$self->{output}->option_exit();
}
return $decoded;
}
sub internal_single_status {
my ($self, %options) = @_;
my $status = $self->request_api(method => 'GET', url_path =>'/api/SystemStatus/GetSingleStatus');
return $status;
}
sub api_single_status {
my ($self, %options) = @_;
my $status = $self->internal_single_status();
return $status->{Health};
}
sub internal_system_status {
my ($self, %options) = @_;
my $status = $self->request_api(method => 'GET', url_path =>'/api/SystemStatus');
return $status;
}
sub api_system_status {
my ($self, %options) = @_;
my $status = $self->internal_system_status();
return $status;
}
sub internal_update_checker {
my ($self, %options) = @_;
my $status = $self->request_api(method => 'GET', url_path =>'/api/UpdateChecker/GetFromParams');
return $status;
}
sub api_update_checker {
my ($self, %options) = @_;
my $status = $self->internal_update_checker();
return $status;
}
1;
__END__
=head1 NAME
3CX Rest API
=head1 REST API OPTIONS
=over 8
=item B<--hostname>
Set hostname or IP of 3CX server.
=item B<--port>
Set 3CX Port (Default: '443').
=item B<--proto>
Specify https if needed (Default: 'https').
=item B<--api-username>
Set 3CX Username.
=item B<--api-password>
Set 3CX Password.
=item B<--timeout>
Threshold for HTTP timeout (Default: '30').
=back
=cut