zabbix-deploy/web-modules/WecomCenter/actions/WecomCenterSave.php

<?php declare(strict_types = 0);
/*
** WeCom Center - POST controller. Dispatches actions and redirects back.
*/

namespace Modules\WecomCenter\Actions;

use CController;
use CControllerResponseRedirect;
use CUrl;
use CWebUser;
use Exception;
use Modules\WecomCenter\Lib\Helper;
use Modules\WecomCenter\Lib\I18n;

class WecomCenterSave extends CController {

	protected function init() {
		$this->disableCsrfValidation();
	}

	protected function checkInput() {
		return true;
	}

	protected function checkPermissions() {
		return CWebUser::getType() == USER_TYPE_SUPER_ADMIN;
	}

	protected function doAction() {
		$mediatypeid = (string) ($_REQUEST['mediatypeid'] ?? '');

		try {
			// Strategy apply buttons are submitted as name="apply_strategy" value=<preset>.
			if (isset($_REQUEST['apply_strategy'])) {
				$this->applyStrategy($mediatypeid, (string) $_REQUEST['apply_strategy']);
			}
			else {
				$op = (string) ($_REQUEST['op'] ?? '');
				switch ($op) {
					case 'save_alert':      $this->saveAlert($mediatypeid); break;
					case 'save_triggers':   $this->saveTriggers();          break;
					case 'save_robot':      $this->saveRobot($mediatypeid); break;
					case 'test_robot':      $this->testRobot($mediatypeid); break;
					case 'import_template': $this->importTemplate();        break;
					case 'save_map':        $this->saveMap();               break;
					case 'apply_switch':    $this->applySwitch();           break;
					case 'init_env':        $this->initEnv();               break;
					default: error(I18n::t('msg.unknown_op'));
				}
			}
		}
		catch (Exception $e) {
			error($e->getMessage());
		}

		$url = (new CUrl('zabbix.php'))->setArgument('action', 'wecom.center.view');
		if ($mediatypeid !== '') {
			$url->setArgument('mediatypeid', $mediatypeid);
		}
		$tab = (string) ($_REQUEST['tab'] ?? '');
		if (in_array($tab, ['alert', 'opt', 'maint'], true)) {
			$url->setArgument('tab', $tab);
		}
		$this->setResponse(new CControllerResponseRedirect($url));
	}

	private function applyStrategy(string $mediatypeid, string $key): void {
		if (!isset(Helper::STRATEGY_PRESETS[$key])) {
			throw new Exception(I18n::t('msg.bad_scheme'));
		}
		$tid = Helper::templateHostid();
		if ($tid === null) {
			throw new Exception(I18n::t('msg.no_template_host'));
		}
		$preset = Helper::STRATEGY_PRESETS[$key];

		// 1) threshold on the media (global "how severe still notifies")
		if ($mediatypeid !== '') {
			$user = Helper::ensureRobotUser('wecomrobot');
			$mask = Helper::severityMaskFromMin((int) $preset['min']);
			Helper::applyMedia($user['userid'], $mediatypeid, $mask, 0);
		}

		// 2) classify + write severities
		$res = Helper::applyStrategy($tid, $preset['targets']);
		Helper::saveStrategyKey($key);

		info(I18n::t('msg.strategy_applied', [
			I18n::t($preset['label']),
			$res['trigger'],
			$res['prototype'],
			$res['discovered']
		]));
	}

	private function saveAlert(string $mediatypeid): void {
		$active = isset($_REQUEST['enabled']) ? 0 : 1; // media: 0=enabled, 1=disabled
		$indices = [];
		for ($i = 1; $i <= 6; $i++) {
			if (isset($_REQUEST['sev_'.$i])) {
				$indices[] = $i;
			}
		}
		$mask = Helper::severityMask($indices);
		if ($mask === 0 && $active === 0) {
			$mask = 2;
		}
		$user = Helper::ensureRobotUser('wecomrobot');
		Helper::applyMedia($user['userid'], $mediatypeid, $mask, $active);
		info(I18n::t('msg.saved'));
	}

	private function saveRobot(string $mediatypeid): void {
		$url = trim((string) ($_REQUEST['webhook_url'] ?? ''));
		if ($url !== '') {
			Helper::setWebhookKey($url);
		}
		$user = Helper::ensureRobotUser('wecomrobot');
		$cur = Helper::currentMedia($user, $mediatypeid);
		$mask = $cur['severity'] ?? 48;
		$active = $cur['active'] ?? 0;
		Helper::applyMedia($user['userid'], $mediatypeid, $mask, $active);
		info(I18n::t('msg.robot_saved'));
	}

	private function testRobot(string $mediatypeid): void {
		$mt = Helper::getMediatype($mediatypeid);
		if (!$mt) {
			throw new Exception(I18n::t('msg.no_mediatype'));
		}
		$url = Helper::webhookUrl($mt);
		if ($url === '') {
			throw new Exception(I18n::t('msg.no_url'));
		}
		$text = '['.I18n::t('page.title').'] Test OK - '.date('Y-m-d H:i:s');
		$res = Helper::testWebhook($url, $text);
		$body = (string) $res['body'];
		$ok = (strpos($body, '"errcode":0') !== false) || (strpos($body, '"errcode": 0') !== false);
		if ($ok) {
			info(I18n::t('msg.tested'));
		}
		else {
			error(I18n::t('msg.test_failed', [$res['status'], $body]));
		}
	}

	private function importTemplate(): void {
		$file = (string) ($_REQUEST['template_file'] ?? '');
		if ($file === '') {
			throw new Exception(I18n::t('msg.no_template'));
		}
		$module_dir = dirname(__DIR__);
		$res = Helper::importTemplate($module_dir, $file);
		$n = isset($res['templates']) && is_array($res['templates']) ? count($res['templates']) : 0;
		info(I18n::t('msg.imported', [$n]));
	}

	private function saveTriggers(): void {
		$ids = (string) ($_REQUEST['trig_ids'] ?? '');
		$ids = array_filter(array_map('trim', explode(',', $ids)));
		if (!$ids) {
			throw new Exception(I18n::t('msg.no_triggers'));
		}
		$map = [];
		foreach ($ids as $id) {
			$id = (string) (int) $id;
			if ($id === '' || $id === '0') {
				continue;
			}
			$map[$id] = isset($_REQUEST['trig_'.$id]) ? 0 : 1;
		}
		$n = Helper::setTriggersStatus($map);
		info(I18n::t('msg.triggers_saved', [$n]));
	}

	private function saveMap(): void {
		$hostid = (string) ($_REQUEST['hostid'] ?? '');
		$lat = trim((string) ($_REQUEST['lat'] ?? ''));
		$lon = trim((string) ($_REQUEST['lon'] ?? ''));
		if ($hostid === '') {
			throw new Exception(I18n::t('msg.no_host'));
		}
		Helper::setHostLocation($hostid, $lat, $lon);
		info(I18n::t('msg.map_saved'));
	}

	private function applySwitch(): void {
		$src = (string) ($_REQUEST['switch_src'] ?? '');
		$dst = (string) ($_REQUEST['switch_dst'] ?? '');
		if ($src === '' || $dst === '') {
			throw new Exception(I18n::t('msg.need_both'));
		}
		if ($src === $dst) {
			throw new Exception(I18n::t('msg.same_tpl'));
		}
		$n = Helper::switchApply($src, $dst);
		info(I18n::t('msg.switch_applied', [$n]));
	}

	private function initEnv(): void {
		$key = trim((string) ($_REQUEST['key'] ?? $_REQUEST['webhook_url'] ?? ''));
		$proto = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') ? 'https' : 'http';
		$host = (string) ($_SERVER['HTTP_HOST'] ?? '');
		$zbxUrl = $host !== '' ? $proto.'://'.$host : '';
		$r = Helper::initializeEnvironment($key, $zbxUrl);

		$parts = [];
		$parts[] = $r['created_mediatype'] ? I18n::t('msg.init_mediatype_new') : I18n::t('msg.init_mediatype_ok');
		$parts[] = $r['created_user'] ? I18n::t('msg.init_user_new') : I18n::t('msg.init_user_ok');
		$parts[] = $r['created_action'] ? I18n::t('msg.init_action_new') : I18n::t('msg.init_action_ok');
		if ($r['key_set']) {
			$parts[] = I18n::t('msg.init_key_set');
		}
		info(I18n::t('msg.init_done', [implode(' · ', $parts)]));
	}
}