#!/usr/local/bin/perl
# WANT_JSON

# yamd - client Yandex.Mail for Domain API
# Run as stand-alone application or as Ansible module
#
# Copyright 2018 Sergey Kiselev <root@digital-freak.ru>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
#    this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright notice,
#    this list of conditions and the following disclaimer in the documentation
#    and/or other materials provided with the distribution.
# 3. Neither the name of the copyright holder nor the names of its
#    contributors may be used to endorse or promote products derived from this
#    software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

use strict;
use warnings;

our $VERSION = '0.1';

use File::Basename;
use Encode qw/encode/;

use YAML::XS qw/Load LoadFile/;
use JSON::XS;
use Types::Serialiser;

use LWP::UserAgent;
use HTTP::Request;

our $api_url = "https://pddimp.yandex.ru/api2/admin";
our $api_requests = Load(<<EOYAML
---
default_content_type: 'application/x-www-form-urlencoded'
deputy:
  list:
    query_type: 'GET'
    parameters:
      required: [domain]
  add:
    query_type: 'POST'
    parameters:
      required: [domain, login]
  delete:
    query_type: 'POST'
    parameters:
      required: [domain, login]

dkim:
  status:
    query_type: 'GET'
    parameters:
      required: [domain]
  disable:
    query_type: 'POST'
    parameters:
      required: [domain]
  enable:
    query_type: 'POST'
    parameters:
      required: [domain]

dns:
  list:
    query_type: 'GET'
    parameters:
      required: [domain]
  add:
    query_type: 'POST'
    parameters:
      required: [domain, type, content]
  del:
    query_type: 'POST'
    parameters:
      required: [domain, record_id]
  edit:
    query_type: 'POST'
    parameters:
      required: [domain, record_id]

domain:
  details:
    query_type: 'GET'
    parameters:
      required: [domain]
  domains:
    query_type: 'GET'
  registration_status:
    query_type: 'GET'
    parameters:
      required: [domain]
  delete:
    query_type: 'POST'
    parameters:
      required: [domain]
  register:
    query_type: 'POST'
    parameters:
      required: [domain]

  logo:
    check:
      query_type: 'GET'
      parameters:
        required: [domain]
    del:
      query_type: 'POST'
      parameters:
        required: [domain]
    set:
      content_type: 'multipart/form-data'
      query_type: 'POST'
      parameters:
        required: [domain, file]

  settings:
    set_country:
      query_type: 'POST'
      parameters:
        required: [domain, country]

email:
  counters:
    query_type: 'GET'
    parameters:
      required: [domain, login]
  list:
    query_type: 'GET'
    parameters:
      required: [domain]
  add:
    query_type: 'POST'
    parameters:
      required: [domain, login, password]
  del:
    query_type: 'POST'
    parameters:
      required: [domain, login]
  edit:
    query_type: 'POST'
    parameters:
      required: [domain, login]
  get_oauth_token:
    query_type: 'POST'
    parameters:
      required: [domain, login]

  ml:
    list:
      query_type: 'GET'
      parameters:
        required: [domain]
    subscribers:
      query_type: 'GET'
      parameters:
        required: [domain, maillist]
    add:
      query_type: 'POST'
      parameters:
        required: [domain, maillist]
    del:
      query_type: 'POST'
      parameters:
        required: [domain, maillist]
    get_can_send_on_behalf:
      query_type: 'POST'
      parameters:
        required: [domain, maillist, subscriber]
    set_can_send_on_behalf:
      query_type: 'POST'
      parameters:
        required: [domain, maillist, subscriber, can_send_on_behalf]
    subscribe:
      query_type: 'POST'
      parameters:
        required: [domain, maillist, subscriber]
    unsubscribe:
      query_type: 'POST'
      parameters:
        required: [domain, maillist, subscriber]

import:
  check_imports:
    query_type: 'GET'
    parameters:
      required: [domain]
  check_settings:
    query_type: 'GET'
    parameters:
      required: [domain, server, port, method, ssl]
  start_import_file:
    content_type: 'multipart/form-data'
    query_type: 'POST'
    parameters:
      required: [domain, file, server, port, method, ssl]
  start_one_import:
    query_type: 'POST'
    parameters:
      required: [domain, server, port, method, ssl, ext-login, ext-password]
  stop_all_imports:
    query_type: 'POST'
    parameters:
      required: [domain]
EOYAML
);

our $task_file = shift or die "Usage: " . basename($0) . "<file.yml\n";
our $task = undef;

{
	my ($filename, $path, $suffix) = fileparse($task_file);

	if ($path =~ 'ansible' && $filename eq 'args') {
		# Calling from Ansible with args in the JSON-file
		open(my $fh, "<", $task_file);
		$task = decode_json(<$fh>);
		close $fh;
	} else {
		# Stand-alone running with args in the YAML-file
		$task = %{LoadFile($task_file)}{yamd}
			or die "Unable to open file '" . $task_file ."'\n";
	}
}

# Checking general mandatory parameters of the request
foreach my $check ("query", "service", "token") {
	if (!defined $task->{$check}) {
		die "'" . $check . "' is undefined in '" . $task_file . "'\n";
	} else {
		if (!ref($task->{$check})) {
			if ($task->{$check} =~ /^-?\d+\.?\d*/) {
				die "Incorrect value of '" . $check . "' in '" . $task_file . "'\n";
			}
		} else {
			die "Incorrect value of '" . $check . "' in '" . $task_file . "'\n";
		}
	}
}

my $request_url = "";
my $request_type = "";
my $request_content_type = "";
my $service = $task->{service};
my $sub_service = $task->{sub_service};
my $query = $task->{query};
my $options = $task->{options};
my $api_request = undef;
my @check_list;

# Checking mandatory parameters of the request
if (defined $sub_service) {
	$api_request = $api_requests->{$service}->{$sub_service}->{$query};
} else {
	$api_request = $api_requests->{$service}->{$query};
}

if (defined $api_request->{parameters}->{required}) {
	@check_list = @{$api_request->{parameters}->{required}};
}

foreach my $check (@check_list) {
	if (defined $task->{$check}) {
		if (!ref($task->{$check})) {
			if ($task->{$check} =~ /^-?\d+\.?\d*/) {
				die "Incorrect value of '" . $check . "' in '" . $task_file . "'\n";
			}
		} else {
			die "Incorrect value of '" . $check . "' in '" . $task_file . "'\n";
		}
	} elsif (defined $options->{$check}) {
		if (!ref($options->{$check})) {
			if ($options->{$check} =~ /^-?\d+\.?\d*/) {
				die "Incorrect value of '" . $check . "' in '" . $task_file . "'\n";
			}
		} else {
			die "Incorrect value of '" . $check . "' in '" . $task_file . "'\n";
		}
	} else {
		die "'" . $check . "' is undefined in '" . $task_file . "'\n";
	}
}

$request_url = $api_url . "/" . $service;
$request_url .= (defined $sub_service) ? "/" . $sub_service : "";
$request_url .= "/" . $query;

if ( $service eq "import" && $query eq "start_import_file" ) {
	$request_url .= "?domain=" . $task->{domain};
	foreach my $k (keys %{$task->{options}}) {
		$request_url .= "&" . $k . "=" . $task->{options}->{$k};
	}
}

if (defined $sub_service) {
	$request_type = $api_request->{query_type};
	$request_content_type = $api_request->{content_type};
} else {
	$request_type = $api_request->{query_type};
	$request_content_type = $api_request->{content_type};
}

if (!defined $request_content_type) {
	$request_content_type = $api_requests->{default_content_type};
}
if (!defined $sub_service) {
	$sub_service = "";
}

my $ua = new LWP::UserAgent;
my $request = new HTTP::Request($request_type => $request_url);

if ( $service eq "domain" &&
	$sub_service eq "logo" &&
	$query eq "set" ) {
	{
		my $boundary = 'X';
		my @rand = ('a'..'z', 'A'..'Z');
		for (0..14) { $boundary .= $rand[rand(@rand)]; }

		$request->header(
			'PddToken'     => $task->{token},
			'Content-type' => $request_content_type . "; boundary=" . $boundary
		);

		my $field = new HTTP::Message([
				'Content-Disposition' => 'form-data; name="domain"',
				'Content-Type' => 'text/plain; charset=utf-8'
			]);
		$field->add_content_utf8($task->{domain});
		$request->add_part($field);

		open(my $fh, '<', $task->{options}->{file});
		my $file_content = new HTTP::Message([
				'Content-Disposition' => 'form-data; name="file"; filename="logo"',
				'Content-Type' => 'application/octet-stream'
			]);
		$file_content->add_content($_) while <$fh>;
		$request->add_part($file_content);

		close $fh;
	}
} elsif ( $task->{service} eq "import" &&
	$task->{query} eq "start_import_file" ) {
	{
		my $boundary = 'X';
		my @rand = ('a'..'z', 'A'..'Z');
		for (0..14) { $boundary .= $rand[rand(@rand)]; }

		$request->header(
			'PddToken'     => $task->{token},
			'Content-type' => $request_content_type . "; boundary=" . $boundary
		);

		open(my $fh, '<', $task->{options}->{file});
		my $file_content = new HTTP::Message([
				'Content-Disposition' => 'form-data; name="import_list_file"; filename="import_list_file"',
				'Content-Type' => 'text/plain',
			]);
		$file_content->add_content($_) while <$fh>;
		$request->add_part($file_content);

		close $fh;
	}
} else {
	{
		$request->header(
			'PddToken'     => $task->{token},
			'Content-type' => $request_content_type
		);

		my $request_content = "";
		if (defined $task->{domain}) {
			$request_content = "domain=" . $task->{domain};
		}

		foreach my $k (keys %{$task->{options}}) {
			$request_content .= "&" . $k . "=";
			$request_content .= encode("utf8",$task->{options}->{$k});
		}

		$request->content($request_content);
	}
}

my $response = $ua->request($request);

if ($response->is_success) {
	print $response->content . "\n\n";
} else {
	print $response->status_line . "\n\n";
}