Create ss-qr.sh

Bash script to generate QR code on shadowsocks-libev server.

scripts/ss-qr.sh

@@ -0,0 +1,77 @@
+#!/usr/bin/env bash
+config_file="/etc/shadowsocks-libev/config.json"
+PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
+export PATH
+#
+# Generate QR Code for Shadowsocks Windows, OSX, Android and iOS clients
+# (use on server with installed Shadowsocks-libev)
+#
+# This script is mostly borrowed from the script:
+# Auto Install Shadowsocks Server for CentOS/Debian/Ubuntu
+# by teddysun
+# (https://github.com/teddysun/shadowsocks_install)
+#
+
+red='\033[0;31m'
+green='\033[0;32m'
+yellow='\033[0;33m'
+plain='\033[0m'
+
+
+function call() {       # var=func [args ...]
+  REPLY=; "${1#*=}" "${@:2}"; eval "${1%%=*}=\$REPLY; return $?"
+}
+
+get_json_value() {
+    if [ "$(command -v python3)" = "" ]; then
+        echo ""
+        echo -e "${red}Error: ${plain}There is no 'python3' command in the system"
+        return 1
+    fi
+    REPLY="$(echo "$1" | python3 -c "import sys, json; print(json.load(sys.stdin)['$2'])")"
+}
+
+get_ip(){
+    local IP=$( ip addr | egrep -o '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | egrep -v "^192\.168|^172\.1[6-9]\.|^172\.2[0-9]\.|^172\.3[0-2]\.|^10\.|^127\.|^255\.|^0\." | head -n 1 )
+    [ -z ${IP} ] && IP=$( wget -qO- -t1 -T2 ipv4.icanhazip.com )
+    [ -z ${IP} ] && IP=$( wget -qO- -t1 -T2 ipinfo.io/ip )
+    echo ${IP}
+}
+
+get_ipv6(){
+    local ipv6=$(wget -qO- -t1 -T2 ipv6.icanhazip.com)
+    [ -z ${ipv6} ] && return 1 || return 0
+}
+
+qr_generate_libev(){
+    if [ "$(command -v qrencode)" = "" ]; then
+        echo ""
+        echo -e "${red}Error: ${plain}There is no 'qrencode' command in the system"
+        return 1
+    fi
+    local tmp=$(echo -n "${shadowsockscipher}:${shadowsockspwd}@$(get_ip):${shadowsocksport}" | base64 -w0)
+    local qr_code="ss://${tmp}"
+    local cur_dir=$(pwd)
+    echo
+    echo "Your QR Code: (For Shadowsocks Windows, OSX, Android and iOS clients)"
+    echo -e "${green} ${qr_code} ${plain}"
+    echo -n "${qr_code}" | qrencode -s8 -o ${cur_dir}/shadowsocks_libev_qr.png
+    echo "Your QR Code has been saved as a PNG file path:"
+    echo -e "${green} ${cur_dir}/shadowsocks_libev_qr.png ${plain}"
+}
+
+
+config_str=$(cat "$config_file")
+
+call shadowsockscipher=get_json_value "$config_str" "method"
+if [ $? -eq 1 ]; then
+    exit 1
+fi
+call shadowsockspwd=get_json_value "$config_str" "password"
+call shadowsocksport=get_json_value "$config_str" "server_port"
+
+
+qr_generate_libev
+if [ $? -eq 1 ]; then
+    exit 1
+fi