feat: Add update script (#3555)

* feat: Add update script

* Small fix

* Fixed typo

* Fixed typo

* chmod +x

* Update x-ui

* Fixed update message

* Fixed typo

* Added downloading via IPv4

* Remove check_glibc_version

* Fixed self destroy

* Fixed typo

* Fixed self destroy

---------

2 files changed, 260 insertions, 2 deletions

diff --git a/update.sh b/update.sh
new file mode 100755
index 00000000..9304b38a
--- /dev/null
+++ b/update.sh
@@ -0,0 +1,258 @@
+#!/bin/bash
+
+red='\033[0;31m'
+green='\033[0;32m'
+blue='\033[0;34m'
+yellow='\033[0;33m'
+plain='\033[0m'
+
+# Don't edit this config
+b_source="${BASH_SOURCE[0]}"
+while [ -h "$b_source" ]; do
+	b_dir="$(cd -P "$(dirname "$b_source")" >/dev/null 2>&1 && pwd || pwd -P)"
+	b_source="$(readlink "$b_source")"
+	[[ $b_source != /* ]] && b_source="$b_dir/$b_source"
+done
+cur_dir="$(cd -P "$(dirname "$b_source")" >/dev/null 2>&1 && pwd || pwd -P)"
+script_name=$(basename "$0")
+
+# Check command exist function
+_command_exists() {
+	type "$1" &>/dev/null
+}
+
+# Fail, log and exit script function
+_fail() {
+	local msg=${1}
+	echo -e "${red}${msg}${plain}"
+	exit 2
+}
+
+# check root
+[[ $EUID -ne 0 ]] && _fail "FATAL ERROR: Please run this script with root privilege."
+
+if _command_exists wget; then
+	wget_bin=$(which wget)
+else
+	_fail "ERROR: Command 'wget' not found."
+fi
+
+if _command_exists curl; then
+	curl_bin=$(which curl)
+else
+	_fail "ERROR: Command 'curl' not found."
+fi
+
+# Check OS and set release variable
+if [[ -f /etc/os-release ]]; then
+	source /etc/os-release
+	release=$ID
+elif [[ -f /usr/lib/os-release ]]; then
+	source /usr/lib/os-release
+	release=$ID
+else
+	_fail "Failed to check the system OS, please contact the author!"
+fi
+echo "The OS release is: $release"
+
+arch() {
+	case "$(uname -m)" in
+	x86_64 | x64 | amd64) echo 'amd64' ;;
+	i*86 | x86) echo '386' ;;
+	armv8* | armv8 | arm64 | aarch64) echo 'arm64' ;;
+	armv7* | armv7 | arm) echo 'armv7' ;;
+	armv6* | armv6) echo 'armv6' ;;
+	armv5* | armv5) echo 'armv5' ;;
+	s390x) echo 's390x' ;;
+	*) echo -e "${red}Unsupported CPU architecture!${plain}" && rm -f "${cur_dir}/${script_name}" >/dev/null 2>&1 && exit 2;;
+	esac
+}
+
+echo "Arch: $(arch)"
+
+install_base() {
+	echo -e "${green}Updating and install dependency packages...${plain}"
+	case "${release}" in
+	ubuntu | debian | armbian)
+		apt-get update >/dev/null 2>&1 && apt-get install -y -q wget curl tar tzdata >/dev/null 2>&1
+		;;
+	centos | almalinux | rocky | ol)
+		yum -y update >/dev/null 2>&1 && yum install -y -q wget curl tar tzdata >/dev/null 2>&1
+		;;
+	fedora | amzn | virtuozzo)
+		dnf -y update >/dev/null 2>&1 && dnf install -y -q wget curl tar tzdata >/dev/null 2>&1
+		;;
+	arch | manjaro | parch)
+		pacman -Syu >/dev/null 2>&1 && pacman -Syu --noconfirm wget curl tar tzdata >/dev/null 2>&1
+		;;
+	opensuse-tumbleweed)
+		zypper refresh >/dev/null 2>&1 && zypper -q install -y wget curl tar timezone >/dev/null 2>&1
+		;;
+	alpine)
+		apk update >/dev/null 2>&1 && apk add wget curl tar tzdata >/dev/null 2>&1
+		;;
+	*)
+		apt-get update >/dev/null 2>&1 && apt install -y -q wget curl tar tzdata >/dev/null 2>&1
+		;;
+	esac
+}
+
+config_after_update() {
+	echo -e "${yellow}x-ui settings:${plain}"
+	/usr/local/x-ui/x-ui setting -show true
+	/usr/local/x-ui/x-ui migrate
+}
+
+update_x-ui() {
+	cd /usr/local/
+
+	if [ -f "/usr/local/x-ui/x-ui" ]; then
+		current_xui_version=$(/usr/local/x-ui/x-ui -v)
+		echo -e "${green}Current x-ui version: ${current_xui_version}${plain}"
+	else
+		_fail "ERROR: Current x-ui version: unknown"
+	fi
+
+	echo -e "${green}Downloading new x-ui version...${plain}"
+
+	tag_version=$(${curl_bin} -Ls "https://api.github.com/repos/MHSanaei/3x-ui/releases/latest" 2>/dev/null | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/')
+	if [[ ! -n "$tag_version" ]]; then
+		echo -e "${yellow}Trying to fetch version with IPv4...${plain}"
+		tag_version=$(${curl_bin} -4 -Ls "https://api.github.com/repos/MHSanaei/3x-ui/releases/latest" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/')
+		if [[ ! -n "$tag_version" ]]; then
+			_fail "ERROR: Failed to fetch x-ui version, it may be due to GitHub API restrictions, please try it later"
+		fi
+	fi
+	echo -e "Got x-ui latest version: ${tag_version}, beginning the installation..."
+	${wget_bin} -N -O /usr/local/x-ui-linux-$(arch).tar.gz https://github.com/MHSanaei/3x-ui/releases/download/${tag_version}/x-ui-linux-$(arch).tar.gz 2>/dev/null
+	if [[ $? -ne 0 ]]; then
+		echo -e "${yellow}Trying to fetch version with IPv4...${plain}"
+		${wget_bin} --inet4-only -N -O /usr/local/x-ui-linux-$(arch).tar.gz https://github.com/MHSanaei/3x-ui/releases/download/${tag_version}/x-ui-linux-$(arch).tar.gz 2>/dev/null
+		if [[ $? -ne 0 ]]; then
+			_fail "ERROR: Failed to download x-ui, please be sure that your server can access GitHub"
+		fi
+	fi
+
+	if [[ -e /usr/local/x-ui/ ]]; then
+		echo -e "${green}Stopping x-ui...${plain}"
+		if [[ $release == "alpine" ]]; then
+			if [ -f "/etc/init.d/x-ui" ]; then
+				rc-service x-ui stop >/dev/null 2>&1
+				rc-update del x-ui >/dev/null 2>&1
+				echo -e "${green}Removing old service unit version...${plain}"
+				rm -f /etc/init.d/x-ui >/dev/null 2>&1
+			else
+				rm x-ui-linux-$(arch).tar.gz -f >/dev/null 2>&1
+				_fail "ERROR: x-ui service unit not installed."
+			fi
+		else
+			if [ -f "/etc/systemd/system/x-ui.service" ]; then
+				systemctl stop x-ui >/dev/null 2>&1
+				systemctl disable x-ui >/dev/null 2>&1
+				echo -e "${green}Removing old systemd unit version...${plain}"
+				rm /etc/systemd/system/x-ui.service -f >/dev/null 2>&1
+				systemctl daemon-reload >/dev/null 2>&1
+			else
+				rm x-ui-linux-$(arch).tar.gz -f >/dev/null 2>&1
+				_fail "ERROR: x-ui systemd unit not installed."
+			fi
+		fi
+		echo -e "${green}Removing old x-ui version...${plain}"
+		rm /usr/bin/x-ui -f >/dev/null 2>&1
+		rm /usr/local/x-ui/x-ui.service -f >/dev/null 2>&1
+		rm /usr/local/x-ui/x-ui -f >/dev/null 2>&1
+		rm /usr/local/x-ui/x-ui.sh -f >/dev/null 2>&1
+		echo -e "${green}Removing old xray version...${plain}"
+		rm /usr/local/x-ui/bin/xray-linux-amd64 -f >/dev/null 2>&1
+		echo -e "${green}Removing old README and LICENSE file...${plain}"
+		rm /usr/local/x-ui/bin/README.md -f >/dev/null 2>&1
+		rm /usr/local/x-ui/bin/LICENSE -f >/dev/null 2>&1
+	else
+		rm x-ui-linux-$(arch).tar.gz -f >/dev/null 2>&1
+		_fail "ERROR: x-ui not installed."
+	fi
+
+	echo -e "${green}Installing new x-ui version...${plain}"
+	tar zxvf x-ui-linux-$(arch).tar.gz >/dev/null 2>&1
+	rm x-ui-linux-$(arch).tar.gz -f >/dev/null 2>&1
+	cd x-ui >/dev/null 2>&1
+	chmod +x x-ui >/dev/null 2>&1
+
+	# Check the system's architecture and rename the file accordingly
+	if [[ $(arch) == "armv5" || $(arch) == "armv6" || $(arch) == "armv7" ]]; then
+		mv bin/xray-linux-$(arch) bin/xray-linux-arm >/dev/null 2>&1
+		chmod +x bin/xray-linux-arm >/dev/null 2>&1
+	fi
+
+	chmod +x x-ui bin/xray-linux-$(arch) >/dev/null 2>&1
+
+	echo -e "${green}Downloading and installing x-ui.sh script...${plain}"
+	${wget_bin} -O /usr/bin/x-ui https://raw.githubusercontent.com/MHSanaei/3x-ui/main/x-ui.sh >/dev/null 2>&1
+	if [[ $? -ne 0 ]]; then
+		echo -e "${yellow}Trying to fetch x-ui with IPv4...${plain}"
+		${wget_bin} --inet4-only -O /usr/bin/x-ui https://raw.githubusercontent.com/MHSanaei/3x-ui/main/x-ui.sh >/dev/null 2>&1
+		if [[ $? -ne 0 ]]; then
+			_fail "ERROR: Failed to download x-ui.sh script, please be sure that your server can access GitHub"
+		fi
+	fi
+
+	chmod +x /usr/local/x-ui/x-ui.sh >/dev/null 2>&1
+	chmod +x /usr/bin/x-ui >/dev/null 2>&1
+
+	echo -e "${green}Changing owner...${plain}"
+	chown -R root:root /usr/local/x-ui >/dev/null 2>&1
+
+	if [ -f "/usr/local/x-ui/bin/config.json" ]; then
+		echo -e "${green}Changing on config file permissions...${plain}"
+		chmod 640 /usr/local/x-ui/bin/config.json >/dev/null 2>&1
+	fi
+
+	if [[ $release == "alpine" ]]; then
+		echo -e "${green}Downloading and installing startup unit x-ui.rc...${plain}"
+		${wget_bin} -O /etc/init.d/x-ui https://raw.githubusercontent.com/MHSanaei/3x-ui/main/x-ui.rc >/dev/null 2>&1
+		if [[ $? -ne 0 ]]; then
+			${wget_bin} --inet4-only -O /etc/init.d/x-ui https://raw.githubusercontent.com/MHSanaei/3x-ui/main/x-ui.rc >/dev/null 2>&1
+			if [[ $? -ne 0 ]]; then
+				_fail "ERROR: Failed to download startup unit x-ui.rc, please be sure that your server can access GitHub"
+			fi
+		fi
+		chmod +x /etc/init.d/x-ui >/dev/null 2>&1
+		chown root:root /etc/init.d/x-ui >/dev/null 2>&1
+		rc-update add x-ui >/dev/null 2>&1
+		rc-service x-ui start >/dev/null 2>&1
+	else
+		echo -e "${green}Installing systemd unit...${plain}"
+		cp -f x-ui.service /etc/systemd/system/ >/dev/null 2>&1
+		chown root:root /etc/systemd/system/x-ui.service >/dev/null 2>&1
+		systemctl daemon-reload >/dev/null 2>&1
+		systemctl enable x-ui >/dev/null 2>&1
+		systemctl start x-ui >/dev/null 2>&1
+	fi
+
+	config_after_update
+
+	echo -e "${green}x-ui ${tag_version}${plain} updating finished, it is running now..."
+	echo -e ""
+	echo -e "┌───────────────────────────────────────────────────────┐
+│  ${blue}x-ui control menu usages (subcommands):${plain}              │
+│                                                       │	
+│  ${blue}x-ui${plain}              - Admin Management Script          │
+│  ${blue}x-ui start${plain}        - Start                            │
+│  ${blue}x-ui stop${plain}         - Stop                             │
+│  ${blue}x-ui restart${plain}      - Restart                          │
+│  ${blue}x-ui status${plain}       - Current Status                   │
+│  ${blue}x-ui settings${plain}     - Current Settings                 │
+│  ${blue}x-ui enable${plain}       - Enable Autostart on OS Startup   │
+│  ${blue}x-ui disable${plain}      - Disable Autostart on OS Startup  │
+│  ${blue}x-ui log${plain}          - Check logs                       │
+│  ${blue}x-ui banlog${plain}       - Check Fail2ban ban logs          │
+│  ${blue}x-ui update${plain}       - Update                           │
+│  ${blue}x-ui legacy${plain}       - legacy version                   │
+│  ${blue}x-ui install${plain}      - Install                          │
+│  ${blue}x-ui uninstall${plain}    - Uninstall                        │
+└───────────────────────────────────────────────────────┘"
+}
+
+echo -e "${green}Running...${plain}"
+install_base
+update_x-ui $1
diff --git a/x-ui.sh b/x-ui.sh
index 6038db7d..643534a1 100644
--- a/x-ui.sh
+++ b/x-ui.sh
@@ -85,7 +85,7 @@ install() {
 }
 
 update() {
-    confirm "This function will forcefully reinstall the latest version, and the data will not be lost. Do you want to continue?" "y"
+    confirm "This function will update all x-ui components to the latest version, and the data will not be lost. Do you want to continue?" "y"
     if [[ $? != 0 ]]; then
         LOGE "Cancelled"
         if [[ $# == 0 ]]; then
@@ -93,7 +93,7 @@ update() {
         fi
         return 0
     fi
-    bash <(curl -Ls https://raw.githubusercontent.com/MHSanaei/3x-ui/main/install.sh)
+    bash <(curl -Ls https://raw.githubusercontent.com/MHSanaei/3x-ui/main/update.sh)
     if [[ $? == 0 ]]; then
         LOGI "Update is complete, Panel has automatically restarted "
         before_show_menu