Sub domain proxy support (#2)

* Added port proxy domain support

* Added proxy-domain to service file

* Added sleep for clarity

* TODO docs on proxy domain

* Adjusted to only accept root domains

Author: alec-hs

README.md

@@ -29,3 +29,7 @@ This script sets up a [Code Server](https://github.com/cdr/code-server) instance
     ```
 
 4. Access your Coder instance at your domain
+
+## Port Proxy
+
+Add more info here

code-server.service

@@ -5,7 +5,7 @@ After=network.target
 [Service]
 Type=exec
 User=coder
-ExecStart=/usr/bin/code-server
+ExecStart=/usr/bin/code-server --proxy-domain mydomain.com
 Restart=always
 
 [Install]

setup.sh

@@ -9,19 +9,45 @@ echo "    https://github.com/alec-hs/coder-cloudflare-setup"
 echo
 echo "------------------------------------------------------------"
 echo
-read -s -p "Please enter a password for Coder web GUI: " password
-echo
-echo
-read -p "Please enter your domain: " domain
-echo
-read -s -p "Please enter your Cloudflare API Token: " token
+read -s -p "Enter a password for Coder web GUI: " password
+echo
+echo
+echo "Enter root domain to access Code Server (not a subdomain): "
+unset domain
+until [[ $domain =~ ^[A-Za-z0-9-]+.([A-Za-z]{3,}|[A-Za-z]{2}.[A-Za-z]{2}|[A-Za-z]{2})$ ]] ; do
+    read -r domain
+done
+echo 
+echo "To allow port proxying, subdomain setup will be used. Please"
+echo "enter a number from the below options. For more info:"
+echo "https://github.com/alec-hs/coder-cloudflare-setup/#port-proxy"
+echo 
+echo "     0 - wildcard record"
+echo "     1 - specific ports"
+echo
+unset subOption
+until [[ $subOption == @(0|1) ]] ; do
+    read -r -p "Your selection: " subOption
+done
+echo
+echo "Enter your proxy domain, eg: mydomain.com"
+read -p "Your domain: " proxyDomain
+if [ $subOption == 1 ]
+then
+    echo "Enter a space separated list of all the ports you need."
+    echo "               eg:  80 8080 3000 8443"
+    read -p "Your ports: " ports
+fi
+echo
+read -s -p "Enter your Cloudflare API Token: " token
 echo
 echo
 echo "------------------------------------------------------------"
 echo
 echo "         Setting up Caddy and Coder services..."
 echo
 echo "------------------------------------------------------------"
+sleep 3
 
 # Hash the password
 hash=$(printf $password | sha256sum | cut -d' ' -f1)
@@ -47,6 +73,9 @@ curl -fsSL https://code-server.dev/install.sh | sh
 # Download service file from repo
 curl https://raw.githubusercontent.com/alec-hs/coder-cloudflare-setup/main/code-server.service --output /etc/systemd/system/code-server.service
 
+# Update coder file with proxy domain
+sed -i.bak "s/mydomain.com/$proxyDomain/" /etc/systemd/system/code-server.service
+
 # Run Coder & run on boot
 systemctl enable --now code-server
 
@@ -78,8 +107,20 @@ mv caddy /usr/bin
 curl https://raw.githubusercontent.com/alec-hs/coder-cloudflare-setup/main/Caddyfile --output /etc/caddy/Caddyfile
 
 # Update Caddyfile 
-sed -i.bak "s/sub.mydomain.com/$domain/" /etc/caddy/Caddyfile
 sed -i.bak "s/API_TOKEN/$token/" /etc/caddy/Caddyfile
+if [ $subOption == 0 ]
+then
+    caddyDomains="$domain, *.$proxyDomain"
+fi
+if [ $subOption == 1 ]
+then
+    proxyPorts="${ports// /.$proxyDomain, }"
+    proxyPorts="$proxyPorts.$proxyDomain"
+    caddyDomains="$domain, $proxyPorts"
+fi
+sed -i.bak "s/sub.mydomain.com/$caddyDomains/" /etc/caddy/Caddyfile
+
+
 
 # Update Coder config in /home/coder/.config/code-server/config.yaml
 sed -i.bak "s/password: .*/hashed-password: $hash/" /home/coder/.config/code-server/config.yaml