Status page certificate expiry

server/model/monitor.js

@@ -36,7 +36,7 @@ class Monitor extends BeanModel {
      * Only show necessary data to public
      * @returns {Object}
      */
-    async toPublicJSON(showTags = false) {
+    async toPublicJSON(showTags = false, certExpiry = false) {
         let obj = {
             id: this.id,
             name: this.name,
@@ -50,6 +50,13 @@ class Monitor extends BeanModel {
         if (showTags) {
             obj.tags = await this.getTags();
         }
+
+        if (certExpiry) {
+            const { certExpiryDaysRemaining, validCert } = await this.getCertExpiry(this.id);
+            obj.certExpiryDaysRemaining = certExpiryDaysRemaining;
+            obj.validCert = validCert;
+        }
+
         return obj;
     }
 
@@ -174,6 +181,31 @@ class Monitor extends BeanModel {
         return await R.getAll("SELECT mt.*, tag.name, tag.color FROM monitor_tag mt JOIN tag ON mt.tag_id = tag.id WHERE mt.monitor_id = ? ORDER BY tag.name", [ this.id ]);
     }
 
+    /**
+     * Gets certificate expiry for this monitor
+     * @param {number} monitorID ID of monitor to send
+     * @returns {Promise<LooseObject<any>>}
+     */
+    async getCertExpiry(monitorID) {
+        let tlsInfoBean = await R.findOne("monitor_tls_info", "monitor_id = ?", [
+            monitorID,
+        ]);
+        let tlsInfo;
+        if (tlsInfoBean) {
+            tlsInfo = JSON.parse(tlsInfoBean?.info_json);
+            if (tlsInfo?.valid && tlsInfo?.certInfo?.daysRemaining) {
+                return {
+                    certExpiryDaysRemaining: tlsInfo.certInfo.daysRemaining,
+                    validCert: true
+                };
+            }
+        }
+        return {
+            certExpiryDaysRemaining: "No/Bad Cert",
+            validCert: false
+        };
+    }
+
     /**
      * Encode user and password to Base64 encoding
      * for HTTP "basic" auth, as per RFC-7617