Add LINE Notify Alert Transport. (#10495)

* Add LINE Notify Alert Transport.

* Fix code style.

* Update document.

* Update Linenotify.php

LibreNMS/Alert/Transport/Linenotify.php

@@ -0,0 +1,57 @@
+<?php
+/**
+ * LINE Notify Transport
+ * @package LibreNMS
+ * @subpackage Alerts
+ */
+namespace LibreNMS\Alert\Transport;
+
+use LibreNMS\Alert\Transport;
+
+class Linenotify extends Transport
+{
+    public function deliverAlert($obj, $opts)
+    {
+        $opts['line-notify-access-token'] = $this->config['line-notify-access-token'];
+        return $this->contactLineNotify($obj, $opts);
+    }
+
+    private function contactLinenotify($obj, $opts)
+    {
+        $lineUrl = 'https://notify-api.line.me/api/notify';
+        $lineHead = ['Authorization: Bearer ' . $opts['line-notify-access-token']];
+        $lineFields = ['message' => $obj['msg']];
+
+        $curl = curl_init();
+        curl_setopt($curl, CURLOPT_URL, $lineUrl);
+        curl_setopt($curl, CURLOPT_HTTPHEADER, $lineHead);
+        curl_setopt($curl, CURLOPT_NOBODY, false);
+        curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
+        curl_setopt($curl, CURLOPT_POST, true);
+        curl_setopt($curl, CURLOPT_POSTFIELDS, $lineFields);
+        curl_exec($curl);
+        $code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
+        curl_close($curl);
+        if ($code != 200) {
+            return 'HTTP Status code ' . $code;
+        }
+        return true;
+    }
+
+    public static function configTemplate()
+    {
+        return [
+            'config' => [
+                [
+                    'title' => 'Token',
+                    'name' => 'line-notify-access-token',
+                    'descr' => 'LINE Notify Token',
+                    'type' => 'text'
+                ]
+            ],
+            'validation' => [
+                'line-notify-access-token' => 'required|string',
+            ]
+        ];
+    }
+}

doc/Alerting/Transports.md

@@ -288,6 +288,18 @@ LibreNMS database.
 | Jira Username | myjirauser |
 | Jira Password | myjirapass |
 
+## LINE Notify
+
+[LINE Notify](https://notify-bot.line.me/)
+
+[LINE Notify API Document](https://notify-bot.line.me/doc/)
+
+**Example:**
+
+| Config | Example |
+| ------ | ------- |
+| Token | AbCdEf12345 |
+
 ## Mail
 
 For all but the default contact, we support setting multiple email