Merge pull request #111 from billz/uninstaller

Created the uninstall script

installers/uninstall.sh

@@ -0,0 +1,102 @@
+#!/bin/bash
+raspap_dir="/etc/raspap"
+raspap_user="www-data"
+version=`sed 's/\..*//' /etc/debian_version`
+
+# Determine version and set default home location for lighttpd 
+if [ $version -ge 8 ]; then
+    version_msg="Raspian version 8.0 or later"
+    webroot_dir="/var/www/html"
+else
+    version_msg="Raspian version earlier than 8.0"
+    webroot_dir="/var/www"
+fi
+
+# Outputs a RaspAP Install log line
+function install_log() {
+    echo -e "\033[1;32mRaspAP Install: $*\033[m"
+}
+
+# Outputs a RaspAP Install Error log line and exits with status code 1
+function install_error() {
+    echo -e "\033[1;37;41mRaspAP Install Error: $*\033[m"
+    exit 1
+}
+
+# Checks to make sure uninstallation info is correct
+function config_uninstallation() {
+    install_log "Configure installation"
+    echo "Detected ${version_msg}" 
+    echo "Install directory: ${raspap_dir}"
+    echo "Lighttpd directory: ${webroot_dir}"
+    echo -n "Uninstall RaspAP with these values? [y/N]: "
+    read answer
+    if [[ $answer != "y" ]]; then
+        echo "Installation aborted."
+        exit 0
+    fi
+}
+
+# Checks for/restore backup files
+function check_for_backups() {
+    if [ -d "$raspap_dir/backups" ]; then
+        if [ -f "$raspap_dir/backups/interfaces" ]; then
+            echo -n "Restore the last interfaces file? [y/N]: "
+            read answer
+            if [[ $answer -eq 'y' ]]; then
+                sudo cp "$raspap_dir/backups/interfaces" /etc/network/interfaces
+            fi
+        fi
+        if [ -f "$raspap_dir/backups/hostapd.conf" ]; then
+            echo -n "Restore the last hostapd configuration file? [y/N]: "
+            read answer
+            if [[ $answer -eq 'y' ]]; then
+                sudo cp "$raspap_dir/backups/hostapd.conf" /etc/hostapd/hostapd.conf
+            fi
+        fi
+        if [ -f "$raspap_dir/backups/dnsmasq.conf" ]; then
+            echo -n "Restore the last dnsmasq configuration file? [y/N]: "
+            read answer
+            if [[ $answer -eq 'y' ]]; then
+                sudo cp "$raspap_dir/backups/dnsmasq.conf" /etc/dnsmasq.conf
+            fi
+        fi
+        if [ -f "$raspap_dir/backups/dhcpcd.conf" ]; then
+            echo -n "Restore the last dhcpcd.conf file? [y/N]: "
+            if [[ $answer -eq 'y' ]]; then
+                sudo cp "$raspap_dir/backups/dhcpcd.conf" /etc/dhcpcd.conf
+            fi
+        fi
+    fi
+}
+
+# Removes RaspAP directories
+function remove_raspap_directories() {
+    install_log "Removing RaspAP Directories"
+    if [ ! -d "$raspap_dir" ]; then
+        install_error "RaspAP Configuration directory not found. Exiting!"
+    fi
+
+    if [ ! -d "$webroot_dir" ]; then
+        install_error "RaspAP Installation directory not found. Exiting!"
+    fi
+
+    sudo rm -rf "$webroot_dir/*"
+    sudo rm -rf "$raspap_dir"
+
+}
+
+# Removes www-data from sudoers
+function clean_sudoers() {
+    # should this check for only our commands?
+    sudo sed -i '/www-data/d' /etc/sudoers
+}
+
+function remove_raspap() {
+    config_uninstallation
+    check_for_backups
+    remove_raspap_directories
+    clean_sudoers
+}
+
+remove_raspap