[Cloudflared] Install into base docker

docker/debian-base.dockerfile

@@ -1,8 +1,11 @@
 # DON'T UPDATE TO node:14-bullseye-slim, see #372.
 # If the image changed, the second stage image should be changed too
 FROM node:16-buster-slim
+ARG TARGETPLATFORM
+
 WORKDIR /app
 
+# Install Curl
 # Install Apprise, add sqlite3 cli for debugging in the future, iputils-ping for ping, util-linux for setpriv
 # Stupid python3 and python3-pip actually install a lot of useless things into Debian, specify --no-install-recommends to skip them, make the base even smaller than alpine!
 RUN apt update && \
@@ -10,3 +13,14 @@ RUN apt update && \
         sqlite3 iputils-ping util-linux dumb-init && \
     pip3 --no-cache-dir install apprise==0.9.7 && \
     rm -rf /var/lib/apt/lists/*
+
+# Install cloudflared
+# dpkg --add-architecture arm: cloudflared do not provide armhf, this is workaround. Read more: https://github.com/cloudflare/cloudflared/issues/583
+COPY extra/download-cloudflared.js ./extra/download-cloudflared.js
+RUN node ./extra/download-cloudflared.js $TARGETPLATFORM && \
+    dpkg --add-architecture arm && \
+    apt update && \
+    apt --yes --no-install-recommends install ./cloudflared.deb && \
+    rm -rf /var/lib/apt/lists/* && \
+    rm -f cloudflared.deb
+

extra/download-cloudflared.js

@@ -0,0 +1,44 @@
+//
+
+const http = require("https"); // or 'https' for https:// URLs
+const fs = require("fs");
+
+const platform = process.argv[2];
+
+if (!platform) {
+    console.error("No platform??");
+    process.exit(1);
+}
+
+let arch = null;
+
+if (platform === "linux/amd64") {
+    arch = "amd64";
+} else if (platform === "linux/arm64") {
+    arch = "arm64";
+} else if (platform === "linux/arm/v7") {
+    arch = "arm";
+} else {
+    console.error("Invalid platform?? " + platform);
+}
+
+const file = fs.createWriteStream("cloudflared.deb");
+get("https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-linux-" + arch + ".deb");
+
+function get(url) {
+    http.get(url, function (res) {
+        if (res.statusCode >= 300 && res.statusCode < 400 && res.headers.location) {
+            console.log("Redirect to " + res.headers.location);
+            get(res.headers.location);
+        } else if (res.statusCode >= 200 && res.statusCode < 300) {
+            res.pipe(file);
+
+            res.on("end", function () {
+                console.log("Downloaded");
+            });
+        } else {
+            console.error(res.statusCode);
+            process.exit(1);
+        }
+    });
+}

package.json

@@ -83,6 +83,7 @@
         "jsonwebtoken": "~8.5.1",
         "jwt-decode": "^3.1.2",
         "limiter": "^2.1.0",
+        "node-cloudflared-tunnel": "~1.0.0",
         "nodemailer": "~6.6.5",
         "notp": "~2.0.3",
         "password-hash": "~1.2.2",