Merge branch 'master' into feature/add_prometheus_metrics

# Conflicts: # server/model/monitor.js
2025-10-31 19:39:20 +08:00 · 2021-07-27 23:13:03 +08:00
parent 47d830db1f cafd2c7388
commit 934b797623
30 changed files with 442 additions and 62 deletions
--- a/.dockerignore
+++ b/.dockerignore
@@ -11,3 +11,4 @@
 LICENSE
 README.md
 .editorconfig
+.vscode
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@ dist-ssr

 /data
 !/data/.gitkeep
+.vscode
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ It is a self-hosted monitoring tool like "Uptime Robot".

 * Monitoring uptime for HTTP(s) / TCP / Ping.
 * Fancy, Reactive, Fast UI/UX.
-* Notifications via Webhook, Telegram, Discord and email (SMTP). 
+* Notifications via Webhook, Telegram, Discord, Gotify, Slack, Pushover, Email (SMTP) and more by Apprise. 
 * 20 seconds interval.

 # How to Use
@@ -80,7 +80,7 @@ PS: For every new release, it takes some time to build the docker image, please

 ```bash
 git fetch --all
-git checkout 1.0.6 --force
+git checkout 1.0.7 --force
 npm install
 npm run build
 pm2 restart uptime-kuma
--- a/db/kuma.db
+++ b/db/kuma.db
--- a/db/patch2.sql
+++ b/db/patch2.sql
@@ -0,0 +1,9 @@
+BEGIN TRANSACTION;
+
+CREATE TABLE monitor_tls_info (
+	id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+	monitor_id INTEGER NOT NULL,
+	info_json TEXT
+);
+
+COMMIT;
--- a/db/patch3.sql
+++ b/db/patch3.sql
@@ -0,0 +1,37 @@
+-- You should not modify if this have pushed to Github, unless it does serious wrong with the db.
+-- Add maxretries column to monitor
+PRAGMA foreign_keys=off;
+
+BEGIN TRANSACTION;
+
+create table monitor_dg_tmp
+(
+    id INTEGER not null
+        primary key autoincrement,
+    name VARCHAR(150),
+    active BOOLEAN default 1 not null,
+    user_id INTEGER
+        references user
+                   on update cascade on delete set null,
+    interval INTEGER default 20 not null,
+    url TEXT,
+    type VARCHAR(20),
+    weight INTEGER default 2000,
+    hostname VARCHAR(255),
+    port INTEGER,
+    created_date DATETIME,
+    keyword VARCHAR(255),
+    maxretries INTEGER NOT NULL DEFAULT 0
+);
+
+insert into monitor_dg_tmp(id, name, active, user_id, interval, url, type, weight, hostname, port, created_date, keyword) select id, name, active, user_id, interval, url, type, weight, hostname, port, created_date, keyword from monitor;
+
+drop table monitor;
+
+alter table monitor_dg_tmp rename to monitor;
+
+create index user_id on monitor (user_id);
+
+COMMIT;
+
+PRAGMA foreign_keys=on;
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
  "name": "uptime-kuma",
-  "version": "1.0.6",
+  "version": "1.0.7",
  "lockfileVersion": 1,
  "requires": true,
  "dependencies": {
@@ -29,6 +29,40 @@
        "to-fast-properties": "^2.0.0"
      }
    },
+    "@fortawesome/fontawesome-common-types": {
+      "version": "0.2.35",
+      "resolved": "https://registry.npmjs.org/@fortawesome/fontawesome-common-types/-/fontawesome-common-types-0.2.35.tgz",
+      "integrity": "sha512-IHUfxSEDS9dDGqYwIW7wTN6tn/O8E0n5PcAHz9cAaBoZw6UpG20IG/YM3NNLaGPwPqgjBAFjIURzqoQs3rrtuw=="
+    },
+    "@fortawesome/fontawesome-svg-core": {
+      "version": "1.2.35",
+      "resolved": "https://registry.npmjs.org/@fortawesome/fontawesome-svg-core/-/fontawesome-svg-core-1.2.35.tgz",
+      "integrity": "sha512-uLEXifXIL7hnh2sNZQrIJWNol7cTVIzwI+4qcBIq9QWaZqUblm0IDrtSqbNg+3SQf8SMGHkiSigD++rHmCHjBg==",
+      "requires": {
+        "@fortawesome/fontawesome-common-types": "^0.2.35"
+      }
+    },
+    "@fortawesome/free-regular-svg-icons": {
+      "version": "5.15.3",
+      "resolved": "https://registry.npmjs.org/@fortawesome/free-regular-svg-icons/-/free-regular-svg-icons-5.15.3.tgz",
+      "integrity": "sha512-q4/p8Xehy9qiVTdDWHL4Z+o5PCLRChePGZRTXkl+/Z7erDVL8VcZUuqzJjs6gUz6czss4VIPBRdCz6wP37/zMQ==",
+      "requires": {
+        "@fortawesome/fontawesome-common-types": "^0.2.35"
+      }
+    },
+    "@fortawesome/free-solid-svg-icons": {
+      "version": "5.15.3",
+      "resolved": "https://registry.npmjs.org/@fortawesome/free-solid-svg-icons/-/free-solid-svg-icons-5.15.3.tgz",
+      "integrity": "sha512-XPeeu1IlGYqz4VWGRAT5ukNMd4VHUEEJ7ysZ7pSSgaEtNvSo+FLurybGJVmiqkQdK50OkSja2bfZXOeyMGRD8Q==",
+      "requires": {
+        "@fortawesome/fontawesome-common-types": "^0.2.35"
+      }
+    },
+    "@fortawesome/vue-fontawesome": {
+      "version": "3.0.0-4",
+      "resolved": "https://registry.npmjs.org/@fortawesome/vue-fontawesome/-/vue-fontawesome-3.0.0-4.tgz",
+      "integrity": "sha512-dQVhhMRcUPCb0aqk5ohm0KGk5OJ7wFZ9aYapLzJB3Z+xs7LhkRWLTb87reelUAG5PFDjutDAXuloT9hi6cz72A=="
+    },
    "@popperjs/core": {
      "version": "2.9.2",
      "resolved": "https://registry.npmjs.org/@popperjs/core/-/core-2.9.2.tgz",
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
    "name": "uptime-kuma",
-    "version": "1.0.6",
+    "version": "1.0.7",
    "license": "MIT",
    "repository": {
        "type": "git",
@@ -12,14 +12,18 @@
        "update": "",
        "build": "vite build",
        "vite-preview-dist": "vite preview --host",
-        "build-docker": "docker buildx build --platform linux/amd64,linux/arm64,linux/arm/v7 -t louislam/uptime-kuma -t louislam/uptime-kuma:1 -t louislam/uptime-kuma:1.0.6 --target release . --push",
+        "build-docker": "docker buildx build --platform linux/amd64,linux/arm64,linux/arm/v7 -t louislam/uptime-kuma -t louislam/uptime-kuma:1 -t louislam/uptime-kuma:1.0.7 --target release . --push",
        "build-docker-nightly": "docker buildx build --platform linux/amd64,linux/arm64,linux/arm/v7 -t louislam/uptime-kuma:nightly --target nightly . --push",
        "build-docker-nightly-amd64": "docker buildx build --platform linux/amd64 -t louislam/uptime-kuma:nightly-amd64 --target nightly . --push",
-        "setup": "git checkout 1.0.6 && npm install && npm run build",
+        "setup": "git checkout 1.0.7 && npm install && npm run build",
        "version-global-replace": "node extra/version-global-replace.js",
        "mark-as-nightly": "node extra/mark-as-nightly.js"
    },
    "dependencies": {
+        "@fortawesome/fontawesome-svg-core": "^1.2.35",
+        "@fortawesome/free-regular-svg-icons": "^5.15.3",
+        "@fortawesome/free-solid-svg-icons": "^5.15.3",
+        "@fortawesome/vue-fontawesome": "^3.0.0-4",
        "@popperjs/core": "^2.9.2",
        "args-parser": "^1.3.0",
        "axios": "^0.21.1",
--- a/public/apple-touch-icon.png
+++ b/public/apple-touch-icon.png
--- a/server/database.js
+++ b/server/database.js
@@ -8,7 +8,7 @@ class Database {

    static templatePath = "./db/kuma.db"
    static path =  './data/kuma.db';
-    static latestVersion = 1;
+    static latestVersion = 3;
    static noReject = true;

    static async patch() {
--- a/server/model/monitor.js
+++ b/server/model/monitor.js
@@ -1,15 +1,23 @@
 const Prometheus = require('prom-client');
+const https = require('https');
 const dayjs = require("dayjs");
 const utc = require('dayjs/plugin/utc')
 var timezone = require('dayjs/plugin/timezone')
 dayjs.extend(utc)
 dayjs.extend(timezone)
 const axios = require("axios");
-const {tcping, ping} = require("../util-server");
+const {debug, UP, DOWN, PENDING} = require("../util");
+const {tcping, ping, checkCertificate} = require("../util-server");
 const {R} = require("redbean-node");
 const {BeanModel} = require("redbean-node/dist/bean-model");
 const {Notification} = require("../notification")

+//  Use Custom agent to disable session reuse
+//  https://github.com/nodejs/node/issues/3940
+const customAgent = new https.Agent({
+    maxCachedSessions: 0
+});
+
 const commonLabels = [
    'monitor_name',
    'monitor_type',
@@ -18,24 +26,24 @@ const commonLabels = [
    'monitor_port',
 ]

-
 const monitor_response_time = new Prometheus.Gauge({
    name: 'monitor_response_time',
    help: 'Monitor Response Time (ms)',
    labelNames: commonLabels
 });
+
 const monitor_status = new Prometheus.Gauge({
    name: 'monitor_status',
    help: 'Monitor Status (1 = UP, 0= DOWN)',
    labelNames: commonLabels
 });
+
 /**
 * status:
 *      0 = DOWN
 *      1 = UP
 */
 class Monitor extends BeanModel {
-
    async toJSON() {

        let notificationIDList = {};
@@ -54,6 +62,7 @@ class Monitor extends BeanModel {
            url: this.url,
            hostname: this.hostname,
            port: this.port,
+            maxretries: this.maxretries,
            weight: this.weight,
            active: this.active,
            type: this.type,
@@ -65,6 +74,7 @@ class Monitor extends BeanModel {

    start(io) {
        let previousBeat = null;
+        let retries = 0;

        const monitorLabelValues = {
                monitor_name: this.name,
@@ -74,21 +84,23 @@ class Monitor extends BeanModel {
                monitor_port: this.port
        }

-
        const beat = async () => {
+
            if (! previousBeat) {
                previousBeat = await R.findOne("heartbeat", " monitor_id = ? ORDER BY time DESC", [
                    this.id
                ])
            }

+            const isFirstBeat = !previousBeat;
+
            let bean = R.dispense("heartbeat")
            bean.monitor_id = this.id;
            bean.time = R.isoDateTime(dayjs.utc());
-            bean.status = 0;
+            bean.status = DOWN;

            // Duration
-            if (previousBeat) {
+            if (! isFirstBeat) {
                bean.duration = dayjs(bean.time).diff(dayjs(previousBeat.time), 'second');
            } else {
                bean.duration = 0;
@@ -98,13 +110,27 @@ class Monitor extends BeanModel {
                if (this.type === "http" || this.type === "keyword") {
                    let startTime = dayjs().valueOf();
                    let res = await axios.get(this.url, {
-                        headers: { 'User-Agent':'Uptime-Kuma' }
-                    })
+                        headers: { "User-Agent": "Uptime-Kuma" },
+                        httpsAgent: customAgent,
+                    });
                    bean.msg = `${res.status} - ${res.statusText}`
                    bean.ping = dayjs().valueOf() - startTime;

+                    // Check certificate if https is used
+
+                    let certInfoStartTime = dayjs().valueOf();
+                    if (this.getUrl()?.protocol === "https:") {
+                        try {
+                            await this.updateTlsInfo(checkCertificate(res));
+                        } catch (e) {
+                            console.error(e.message)
+                        }
+                    }
+
+                    debug("Cert Info Query Time: " + (dayjs().valueOf() - certInfoStartTime) + "ms")
+
                    if (this.type === "http") {
-                        bean.status = 1;
+                        bean.status = UP;
                    } else {

                        let data = res.data;
@@ -116,7 +142,7 @@ class Monitor extends BeanModel {

                        if (data.includes(this.keyword)) {
                            bean.msg += ", keyword is found"
-                            bean.status = 1;
+                            bean.status = UP;
                        } else {
                            throw new Error(bean.msg + ", but keyword is not found")
                        }
@@ -127,30 +153,52 @@ class Monitor extends BeanModel {
                } else if (this.type === "port") {
                    bean.ping = await tcping(this.hostname, this.port);
                    bean.msg = ""
-                    bean.status = 1;
+                    bean.status = UP;

                } else if (this.type === "ping") {
                    bean.ping = await ping(this.hostname);
                    bean.msg = ""
-                    bean.status = 1;
+                    bean.status = UP;
                }

+                retries = 0;
+
            } catch (error) {
+                if ((this.maxretries > 0) && (retries < this.maxretries)) {
+                    retries++;
+                    bean.status = PENDING;
+                }
                bean.msg = error.message;
            }

-            // Mark as important if status changed
-            if (! previousBeat || previousBeat.status !== bean.status) {
+            // * ? -> ANY STATUS = important [isFirstBeat]
+            // UP -> PENDING = not important
+            // * UP -> DOWN = important
+            // UP -> UP = not important
+            // PENDING -> PENDING = not important
+            // * PENDING -> DOWN = important
+            // PENDING -> UP = not important
+            // DOWN -> PENDING = this case not exists
+            // DOWN -> DOWN = not important
+            // * DOWN -> UP = important
+            let isImportant = isFirstBeat ||
+                (previousBeat.status === UP && bean.status === DOWN) ||
+                (previousBeat.status === DOWN && bean.status === UP) ||
+                (previousBeat.status === PENDING && bean.status === DOWN);
+
+            // Mark as important if status changed, ignore pending pings,
+            // Don't notify if disrupted changes to up
+            if (isImportant) {
                bean.important = true;

-                // Do not send if first beat is UP
-                if (previousBeat || bean.status !== 1) {
+                // Send only if the first beat is DOWN
+                if (!isFirstBeat || bean.status === DOWN) {
                    let notificationList = await R.getAll(`SELECT notification.* FROM notification, monitor_notification WHERE monitor_id = ? AND monitor_notification.notification_id = notification.id `, [
                        this.id
                    ])

                    let text;
-                    if (bean.status === 1) {
+                    if (bean.status === UP) {
                        text = "✅ Up"
                    } else {
                        text = "🔴 Down"
@@ -171,11 +219,12 @@ class Monitor extends BeanModel {
                bean.important = false;
            }

-
            monitor_status.set(monitorLabelValues, bean.status)

-            if (bean.status === 1) {
+            if (bean.status === UP) {
                console.info(`Monitor #${this.id} '${this.name}': Successful Response: ${bean.ping} ms | Interval: ${this.interval} seconds | Type: ${this.type}`)
+            } else if (bean.status === PENDING) {
+                console.warn(`Monitor #${this.id} '${this.name}': Pending: ${bean.msg} | Type: ${this.type}`)
            } else {
                console.warn(`Monitor #${this.id} '${this.name}': Failing: ${bean.msg} | Type: ${this.type}`)
            }
@@ -198,10 +247,35 @@ class Monitor extends BeanModel {
        clearInterval(this.heartbeatInterval)
    }

+    // Helper Method:
+    // returns URL object for further usage
+    // returns null if url is invalid
+    getUrl() {
+        try {
+            return new URL(this.url);
+        } catch (_) {
+            return null;
+        }
+    }
+
+    // Store TLS info to database
+    async updateTlsInfo(checkCertificateResult) {
+        let tls_info_bean = await R.findOne("monitor_tls_info", "monitor_id = ?", [
+            this.id
+        ]);
+        if (tls_info_bean == null) {
+            tls_info_bean = R.dispense("monitor_tls_info");
+            tls_info_bean.monitor_id = this.id;
+        }
+        tls_info_bean.info_json = JSON.stringify(checkCertificateResult);
+        await R.store(tls_info_bean);
+    }
+
    static async sendStats(io, monitorID, userID) {
        Monitor.sendAvgPing(24, io, monitorID, userID);
        Monitor.sendUptime(24, io, monitorID, userID);
        Monitor.sendUptime(24 * 30, io, monitorID, userID);
+        Monitor.sendCertInfo(io, monitorID, userID);
    }

    /**
@@ -222,6 +296,15 @@ class Monitor extends BeanModel {
        io.to(userID).emit("avgPing", monitorID, avgPing);
    }

+    static async sendCertInfo(io, monitorID, userID) {
+         let tls_info = await R.findOne("monitor_tls_info", "monitor_id = ?", [
+            monitorID
+        ]);
+        if (tls_info != null) {
+            io.to(userID).emit("certInfo", monitorID, tls_info.info_json);
+        }
+    }
+
    /**
     * Uptime with calculation
     * Calculation based on:
@@ -270,7 +353,7 @@ class Monitor extends BeanModel {
                }

                total += value;
-                if (row.status === 0) {
+                if (row.status === 0 || row.status === 2) {
                    downtime += value;
                }
            }
--- a/server/notification.js
+++ b/server/notification.js
@@ -204,7 +204,7 @@ class Notification {
                }

                let data = {
-                    "message": "<b>Uptime Kuma Alert</b>\n\n<b>Message</b>:" +msg + '\n<b>Time (UTC)</b>:' +time,
+                    "message": "<b>Uptime Kuma Alert</b>\n\n<b>Message</b>:"+msg+ '\n<b>Time (UTC)</b>:' +heartbeatJSON["time"],
                    "user":notification.pushoveruserkey,
                    "token": notification.pushoverapptoken,
                    "sound": notification.pushoversounds,
--- a/server/server.js
+++ b/server/server.js
@@ -235,6 +235,7 @@ let needSetup = false;
                bean.url = monitor.url
                bean.interval = monitor.interval
                bean.hostname = monitor.hostname;
+                bean.maxretries = monitor.maxretries;
                bean.port = monitor.port;
                bean.keyword = monitor.keyword;

@@ -544,12 +545,12 @@ async function afterLogin(socket, user) {
    let monitorList = await sendMonitorList(socket)

    for (let monitorID in monitorList) {
-        await sendHeartbeatList(socket, monitorID);
-        await sendImportantHeartbeatList(socket, monitorID);
-        await Monitor.sendStats(io, monitorID, user.id)
+        sendHeartbeatList(socket, monitorID);
+        sendImportantHeartbeatList(socket, monitorID);
+        Monitor.sendStats(io, monitorID, user.id)
    }

-    await sendNotificationList(socket)
+    sendNotificationList(socket)
 }

 async function getMonitorJSONList(userID) {
--- a/server/util-server.js
+++ b/server/util-server.js
@@ -70,3 +70,52 @@ exports.getSettings = async function (type) {

    return result;
 }
+
+
+// ssl-checker by @dyaa
+// param: res - response object from axios
+// return an object containing the certificate information
+
+const getDaysBetween = (validFrom, validTo) =>
+    Math.round(Math.abs(+validFrom - +validTo) / 8.64e7);
+
+const getDaysRemaining = (validFrom, validTo) => {
+    const daysRemaining = getDaysBetween(validFrom, validTo);
+    if (new Date(validTo).getTime() < new Date().getTime()) {
+        return -daysRemaining;
+    }
+    return daysRemaining;
+};
+
+exports.checkCertificate = function (res) {
+    const {
+        valid_from,
+        valid_to,
+        subjectaltname,
+        issuer,
+        fingerprint,
+    } = res.request.res.socket.getPeerCertificate(false);
+
+    if (!valid_from || !valid_to || !subjectaltname) {
+        throw { message: 'No TLS certificate in response' };
+    }
+
+    const valid = res.request.res.socket.authorized || false;
+
+    const validTo = new Date(valid_to);
+
+    const validFor = subjectaltname
+        .replace(/DNS:|IP Address:/g, "")
+        .split(", ");
+
+    const daysRemaining = getDaysRemaining(new Date(), validTo);
+
+    return {
+        valid,
+        validFor,
+        validTo,
+        daysRemaining,
+        issuer,
+        fingerprint,
+    };
+}
--- a/server/util.js
+++ b/server/util.js
@@ -1,6 +1,10 @@
 // Common JS cannot be used in frontend sadly
 // sleep, ucfirst is duplicated in ../src/util-frontend.js

+exports.DOWN = 0;
+exports.UP = 1;
+exports.PENDING = 2;
+
 exports.sleep = function (ms) {
    return new Promise(resolve => setTimeout(resolve, ms));
 }
@@ -14,3 +18,9 @@ exports.ucfirst = function (str) {
    return firstLetter.toUpperCase() + str.substr(1);
 }

+exports.debug = (msg) => {
+    if (process.env.NODE_ENV === "development") {
+        console.log(msg)
+    }
+}
+
--- a/src/assets/vars.scss
+++ b/src/assets/vars.scss
@@ -1,7 +1,8 @@
 $primary: #5CDD8B;
 $danger: #DC3545;
+$warning: #f8a306;
 $link-color: #111;
 $border-radius: 50rem;

 $highlight: #7ce8a4;
-$highlight-white: #e7faec;
+$highlight-white: #e7faec;
--- a/src/components/Datetime.vue
+++ b/src/components/Datetime.vue
@@ -14,12 +14,23 @@ dayjs.extend(relativeTime)
 export default {
    props: {
        value: String,
+        dateOnly: {
+            type: Boolean,
+            default: false,
+        },
    },

    computed: {
        displayText() {
-            let format = "YYYY-MM-DD HH:mm:ss";
-            return dayjs.utc(this.value).tz(this.$root.timezone).format(format)
+            if (this.value !== undefined && this.value !== "") {
+                let format = "YYYY-MM-DD HH:mm:ss";
+                if (this.dateOnly) {
+                    format = "YYYY-MM-DD";
+                }
+                return dayjs.utc(this.value).tz(this.$root.timezone).format(format);
+            } else {
+                return "";
+            }
        },
    }
 }
--- a/src/components/HeartbeatBar.vue
+++ b/src/components/HeartbeatBar.vue
@@ -3,7 +3,7 @@
        <div class="hp-bar-big" :style="barStyle">
            <div
                class="beat"
-                :class="{ 'empty' : (beat === 0), 'down' : (beat.status === 0) }"
+                :class="{ 'empty' : (beat === 0), 'down' : (beat.status === 0), 'pending' : (beat.status === 2) }"
                :style="beatStyle"
                v-for="(beat, index) in shortBeatList"
                :key="index"
@@ -166,6 +166,10 @@ export default {
            background-color: $danger;
        }

+        &.pending {
+            background-color: $warning;
+        }
+
        &:not(.empty):hover {
            transition: all ease-in-out 0.15s;
            opacity: 0.8;
--- a/src/components/NotificationDialog.vue
+++ b/src/components/NotificationDialog.vue
@@ -223,16 +223,22 @@

                        <template v-if="notification.type === 'pushover'">
                            <div class="mb-3">
-                                <label for="pushover-app-token" class="form-label">Application Token<span style="color:red;"><sup>*</sup></span></label>
-                                <input type="text" class="form-control" id="pushover-app-token" required v-model="notification.pushoverapptoken">
                                <label for="pushover-user" class="form-label">User Key<span style="color:red;"><sup>*</sup></span></label>
                                <input type="text" class="form-control" id="pushover-user" required v-model="notification.pushoveruserkey">
+                                <label for="pushover-app-token" class="form-label">Application Token<span style="color:red;"><sup>*</sup></span></label>
+                                <input type="text" class="form-control" id="pushover-app-token" required v-model="notification.pushoverapptoken">
                                <label for="pushover-device" class="form-label">Device</label>
                                <input type="text" class="form-control" id="pushover-device" v-model="notification.pushoverdevice">
                                <label for="pushover-device" class="form-label">Message Title</label>
                                <input type="text" class="form-control" id="pushover-title" v-model="notification.pushovertitle">
                                <label for="pushover-priority" class="form-label">Priority</label>
-                                <input type="text" class="form-control" id="pushover-priority" v-model="notification.pushoverpriority">
+                                <select class="form-select"  id="pushover-priority" v-model="notification.pushoverpriority">
+                                    <option>-2</option>
+                                    <option>-1</option>
+                                    <option>0</option>
+                                    <option>1</option>
+                                    <option>2</option>
+                                </select>
                                <label for="pushover-sound" class="form-label">Notification Sound</label>
                                <select class="form-select"  id="pushover-sound" v-model="notification.pushoversounds">
                                    <option>pushover</option>
@@ -264,17 +270,19 @@
                                        More info on: <a href="https://pushover.net/api" target="_blank">https://pushover.net/api</a>
                                </p>
                                 <p style="margin-top: 8px;">
-                                        Emergency priority(2) has default 30 second timeout between retries and will expire after 1 hour.
+                                        Emergency priority (2) has default 30 second timeout between retries and will expire after 1 hour.
+                                </p>
+                                 <p style="margin-top: 8px;">
+                                        If you want to send notifications to different devices, fill out Device field.
                                </p>
                                </div>
                            </div>
                        </template>

                        <template v-if="notification.type === 'apprise'">
-
                            <div class="mb-3">
-                                <label for="gotify-application-token" class="form-label">Apprise URL</label>
-                                <input type="text" class="form-control" id="gotify-application-token" required v-model="notification.appriseURL">
+                                <label for="apprise-url" class="form-label">Apprise URL</label>
+                                <input type="text" class="form-control" id="apprise-url" required v-model="notification.appriseURL">
                                <div class="form-text">
                                    <p>Example: twilio://AccountSid:AuthToken@FromPhoneNo</p>
                                    <p>
@@ -282,7 +290,6 @@
                                    </p>
                                </div>
                            </div>
-
                            <div class="mb-3">
                                <p>
                                    Status:
@@ -290,7 +297,6 @@
                                    <span class="text-danger" v-else>Apprise is not installed. <a href="https://github.com/caronc/apprise">Read more</a></span>
                                </p>
                            </div>
-
                        </template>

                    </div>
--- a/src/components/Status.vue
+++ b/src/components/Status.vue
@@ -14,6 +14,8 @@ export default {
                return "danger"
            } else if (this.status === 1) {
                return "primary"
+            } else if (this.status === 2) {
+                return "warning"
            } else {
                return "secondary"
            }
@@ -24,6 +26,8 @@ export default {
                return "Down"
            } else if (this.status === 1) {
                return "Up"
+            } else if (this.status === 2) {
+                return "Pending"
            } else {
                return "Unknown"
            }
@@ -34,6 +38,6 @@ export default {

 <style scoped>
    span {
-        width: 45px;
+        width: 54px;
    }
 </style>
--- a/src/components/Uptime.vue
+++ b/src/components/Uptime.vue
@@ -30,6 +30,8 @@ export default {
                return "danger"
            } else if (this.lastHeartBeat.status === 1) {
                return "primary"
+            } else if (this.lastHeartBeat.status === 2) {
+                return "warning"
            } else {
                return "secondary"
            }
--- a/src/icon.js
+++ b/src/icon.js
@@ -0,0 +1,12 @@
+import { library } from '@fortawesome/fontawesome-svg-core'
+//import { fa } from '@fortawesome/free-regular-svg-icons'
+import { FontAwesomeIcon } from '@fortawesome/vue-fontawesome'
+import { faCog, faTachometerAlt, faEdit, faPlus, faPause, faPlay, faTrash, faList } from '@fortawesome/free-solid-svg-icons'
+
+// Add Free Font Awesome Icons here
+// https://fontawesome.com/v5.15/icons?d=gallery&p=2&s=solid&m=free
+library.add(faCog, faTachometerAlt, faEdit, faPlus, faPause, faPlay, faTrash, faList)
+
+export {
+    FontAwesomeIcon
+}
--- a/src/layouts/Layout.vue
+++ b/src/layouts/Layout.vue
@@ -14,8 +14,8 @@
        </router-link>

        <ul class="nav nav-pills" >
-            <li class="nav-item"><router-link to="/dashboard" class="nav-link">📊 Dashboard</router-link></li>
-            <li class="nav-item"><router-link to="/settings" class="nav-link">🔧 Settings</router-link></li>
+            <li class="nav-item"><router-link to="/dashboard" class="nav-link"><font-awesome-icon icon="tachometer-alt" /> Dashboard</router-link></li>
+            <li class="nav-item"><router-link to="/settings" class="nav-link"><font-awesome-icon icon="cog" /> Settings</router-link></li>
        </ul>
    </header>

@@ -44,10 +44,27 @@
    <!-- Mobile Only -->
    <div style="width: 100%;height: 60px;" v-if="$root.isMobile"></div>
    <nav class="bottom-nav" v-if="$root.isMobile">
-        <router-link to="/dashboard" class="nav-link" @click="$root.cancelActiveList"><div>📊</div>Dashboard</router-link>
-        <a href="#" :class=" { 'router-link-exact-active' : $root.showListMobile } " @click="$root.showListMobile = ! $root.showListMobile"><div>📃</div>List</a>
-        <router-link to="/add" class="nav-link" @click="$root.cancelActiveList"><div>➕</div>Add</router-link>
-        <router-link to="/settings" class="nav-link" @click="$root.cancelActiveList"><div>🔧</div>Settings</router-link>
+
+        <router-link to="/dashboard" class="nav-link" @click="$root.cancelActiveList">
+            <div><font-awesome-icon icon="tachometer-alt" /></div>
+            Dashboard
+        </router-link>
+
+        <a href="#" :class=" { 'router-link-exact-active' : $root.showListMobile } " @click="$root.showListMobile = ! $root.showListMobile">
+            <div><font-awesome-icon icon="list" /></div>
+            List
+        </a>
+
+        <router-link to="/add" class="nav-link" @click="$root.cancelActiveList">
+            <div><font-awesome-icon icon="plus" /></div>
+            Add
+        </router-link>
+
+        <router-link to="/settings" class="nav-link" @click="$root.cancelActiveList">
+            <div><font-awesome-icon icon="cog" /></div>
+            Settings
+        </router-link>
+
    </nav>
 </template>

@@ -99,7 +116,7 @@ export default {
    box-shadow: 0 15px 47px 0 rgba(0, 0, 0, 0.05), 0 5px 14px 0 rgba(0, 0, 0, 0.05);
    text-align: center;
    white-space: nowrap;
-    padding: 0 35px;
+    padding: 0 10px;

    a {
        text-align: center;
@@ -144,6 +161,7 @@ main {
 footer {
    color: #AAA;
    font-size: 13px;
+    margin-top: 10px;
    margin-bottom: 30px;
    margin-left: 10px;
    text-align: center;
--- a/src/main.js
+++ b/src/main.js
@@ -15,6 +15,7 @@ import Toast from "vue-toastification";
 import "vue-toastification/dist/index.css";
 import "bootstrap"
 import Setup from "./pages/Setup.vue";
+import {FontAwesomeIcon} from "./icon.js"

 const routes = [
    {
@@ -88,5 +89,7 @@ const options = {

 app.use(Toast, options);

+app.component('font-awesome-icon', FontAwesomeIcon)
+
 app.mount('#app')

--- a/src/mixins/socket.js
+++ b/src/mixins/socket.js
@@ -25,6 +25,7 @@ export default {
            importantHeartbeatList: { },
            avgPingList: { },
            uptimeList: { },
+            certInfoList: {},
            notificationList: [],
            windowWidth: window.innerWidth,
            showListMobile: false,
@@ -58,7 +59,17 @@ export default {
            this.$router.push("/setup")
        });

-        socket.on('monitorList', (data) => {
+        socket.on("monitorList", (data) => {
+            // Add Helper function
+            Object.entries(data).forEach(([monitorID, monitor]) => {
+                monitor.getUrl = () => {
+                    try {
+                        return new URL(monitor.url);
+                    } catch (_) {
+                        return null;
+                    }
+                };
+            });
            this.monitorList = data;
        });

@@ -114,6 +125,10 @@ export default {
            this.uptimeList[`${monitorID}_${type}`] = data
        });

+        socket.on('certInfo', (monitorID, data) => {
+            this.certInfoList[monitorID] = JSON.parse(data)
+        });
+
        socket.on('importantHeartbeatList', (monitorID, data) => {
            if (! (monitorID in this.importantHeartbeatList)) {
                this.importantHeartbeatList[monitorID] = data;
@@ -279,6 +294,11 @@ export default {
                        text: "Down",
                        color: "danger"
                    };
+                } else if (lastHeartBeat.status === 2) {
+                    result[monitorID] = {
+                        text: "Pending",
+                        color: "warning"
+                    };
                } else {
                    result[monitorID] = unknown;
                }
--- a/src/pages/Dashboard.vue
+++ b/src/pages/Dashboard.vue
@@ -4,7 +4,7 @@
        <div class="row">
            <div class="col-12 col-md-5 col-xl-4">
                <div v-if="! $root.isMobile">
-                    <router-link to="/add" class="btn btn-primary">Add New Monitor</router-link>
+                    <router-link to="/add" class="btn btn-primary"><font-awesome-icon icon="plus" /> Add New Monitor</router-link>
                </div>

                <div class="shadow-box list mb-4" v-if="showList">
--- a/src/pages/DashboardHome.vue
+++ b/src/pages/DashboardHome.vue
@@ -110,6 +110,8 @@ export default {
                        result.up++;
                    } else if (beat.status === 0) {
                        result.down++;
+                    } else if (beat.status === 2) {
+                        result.up++;                
                    } else {
                        result.unknown++;
                    }
--- a/src/pages/Details.vue
+++ b/src/pages/Details.vue
@@ -11,10 +11,10 @@
    </p>

    <div class="functions">
-        <button class="btn btn-light" @click="pauseDialog" v-if="monitor.active">Pause</button>
-        <button class="btn btn-primary" @click="resumeMonitor" v-if="! monitor.active">Resume</button>
-        <router-link :to=" '/edit/' + monitor.id " class="btn btn-secondary">Edit</router-link>
-        <button class="btn btn-danger" @click="deleteDialog">Delete</button>
+        <button class="btn btn-light" @click="pauseDialog" v-if="monitor.active"><font-awesome-icon icon="pause" /> Pause</button>
+        <button class="btn btn-primary" @click="resumeMonitor" v-if="! monitor.active"><font-awesome-icon icon="pause" /> Resume</button>
+        <router-link :to=" '/edit/' + monitor.id " class="btn btn-secondary"><font-awesome-icon icon="edit" /> Edit</router-link>
+        <button class="btn btn-danger" @click="deleteDialog"><font-awesome-icon icon="trash" /> Delete</button>
    </div>

    <div class="shadow-box">
@@ -51,6 +51,46 @@
                <p>(30-day)</p>
                <span class="num"><Uptime :monitor="monitor" type="720" /></span>
            </div>
+
+            <div class="col" v-if="certInfo">
+                <h4>CertExp.</h4>
+                <p>(<Datetime :value="certInfo.validTo" date-only />)</p>
+                <span class="num" >
+                    <a href="#"  @click.prevent="toggleCertInfoBox = !toggleCertInfoBox">{{certInfo.daysRemaining}} days</a>
+                </span>
+            </div>
+        </div>
+    </div>
+
+    <div class="shadow-box big-padding text-center" v-if="showCertInfoBox">
+        <div class="row">
+            <div class="col">
+                <h4>Certificate Info</h4>
+                <table class="text-start">
+                    <tbody>
+                        <tr class="my-3">
+                            <td class="px-3">Valid: </td>
+                            <td>{{ certInfo.valid }}</td>
+                        </tr>
+                        <tr class="my-3">
+                            <td class="px-3">Valid To: </td>
+                            <td><Datetime :value="certInfo.validTo" /></td>
+                        </tr>
+                        <tr class="my-3">
+                            <td class="px-3">Days Remaining: </td>
+                            <td>{{ certInfo.daysRemaining }}</td>
+                        </tr>
+                        <tr class="my-3">
+                            <td class="px-3">Issuer: </td>
+                            <td>{{ certInfo.issuer }}</td>
+                        </tr>
+                        <tr class="my-3">
+                            <td class="px-3">Fingerprint: </td>
+                            <td>{{ certInfo.fingerprint }}</td>
+                        </tr>
+                    </tbody>
+                </table>
+            </div>
        </div>
    </div>

@@ -122,6 +162,7 @@ export default {
            page: 1,
            perPage: 25,
            heartBeatList: [],
+            toggleCertInfoBox: false,
        }
    },
    computed: {
@@ -180,6 +221,18 @@ export default {
            }
        },

+        certInfo() {
+            if (this.$root.certInfoList[this.monitor.id]) {
+                return this.$root.certInfoList[this.monitor.id]
+            } else {
+                return null
+            }
+        },
+
+        showCertInfoBox() {
+            return this.certInfo != null && this.toggleCertInfoBox;
+        },
+
        displayedRecords() {
            const startIndex = this.perPage * (this.page - 1);
            const endIndex = startIndex + this.perPage;
@@ -268,4 +321,12 @@ table {
    font-size: 13px;
    color: #AAA;
 }
+
+.stats {
+    padding: 10px;
+
+    .col {
+        margin: 20px 0;
+    }
+}
 </style>
--- a/src/pages/EditMonitor.vue
+++ b/src/pages/EditMonitor.vue
@@ -48,6 +48,12 @@
                        <input type="number" class="form-control" id="interval" v-model="monitor.interval" required min="20" step="1">
                    </div>

+                    <div class="mb-3">
+                        <label for="maxRetries" class="form-label">Retries</label>
+                        <input type="number" class="form-control" id="maxRetries" v-model="monitor.maxretries" required min="0" step="1">
+                        <div class="form-text">Maximum retries before the service is marked as down and a notification is sent</div>
+                    </div>
+
                    <div>
                        <button class="btn btn-primary" type="submit" :disabled="processing">Save</button>
                    </div>
@@ -61,7 +67,7 @@
                <h2>Notifications</h2>
                <p v-if="$root.notificationList.length === 0">Not available, please setup.</p>

-                <div class="form-check form-switch mb-3" v-for="(notification, index) in $root.notificationList" :key="index">
+                <div class="form-check form-switch mb-3" :key="notification.id" v-for="notification in $root.notificationList">
                    <input class="form-check-input" type="checkbox" :id=" 'notification' + notification.id" v-model="monitor.notificationIDList[notification.id]">

                    <label class="form-check-label" :for=" 'notification' + notification.id">
@@ -119,6 +125,7 @@ export default {
                    name: "",
                    url: "https://",
                    interval: 60,
+                    maxretries: 0,
                    notificationIDList: {},
                }
            } else if (this.isEdit) {
--- a/src/pages/Settings.vue
+++ b/src/pages/Settings.vue
@@ -36,7 +36,7 @@
                        <label for="repeat-new-password" class="form-label">Repeat New Password</label>
                        <input type="password" class="form-control" :class="{ 'is-invalid' : invalidPassword }" id="repeat-new-password" required v-model="password.repeatNewPassword">
                        <div class="invalid-feedback">
-                            The repeat password is not match.
+                            The repeat password does not match.
                        </div>
                    </div>

@@ -56,7 +56,7 @@

                <h2>Notifications</h2>
                <p v-if="$root.notificationList.length === 0">Not available, please setup.</p>
-                <p v-else>Please assign the notification to monitor(s) to get it works.</p>
+                <p v-else>Please assign a notification to monitor(s) to get it to work.</p>

                <ul class="list-group mb-3" style="border-radius: 1rem;">
                    <li class="list-group-item" v-for="(notification, index) in $root.notificationList" :key="index">