first code commit

UNTESTED - DO NOT USE!!

install.sh

@@ -0,0 +1,211 @@
+#!/usr/bin/env bash
+
+###############################################################################
+#                                                                             #
+# Nextcloud automatic installation script                                     #
+#                                                                             #
+# Designed for stressed VUAs with little to no wish to copypaste a gadzillion #
+# UNIX commands.                                                              #
+#                                                                             #
+# Copyright (c) 2020 - Bryan Pedini                                           #
+#                                                                             #
+###############################################################################
+
+_parse_params() {
+    VERBOSE=true
+    VERSION="18.0.4"
+    INSTALL_DIR="/var/www/nextcloud"
+    NO_CONFIGURE_MARIADB=false
+    DATABASE_NAME="nextcloud"
+    DATABASE_USER="nextcloud_admin"
+    for par in "$@"; do
+        case "$par" in
+            "-h" | "--help" | "--usage")
+                _print_usage
+                ;;
+            "-q" | "--quiet")
+                VERBOSE=false
+                shift
+                ;;
+            "--version")
+                [[ -z "$2" ]] && _print_usage "Version not specified" 1
+                [[ "$2:0:1" = "-" ]] && _print_usage
+                VERSION="$2"
+                shift
+                shift
+                ;;
+            "--install-dir")
+                [[ -z "$2" ]] && _print_usage "Installation directory not \
+specified" 1
+                [[ "$2:0:1" = "-" ]] && _print_usage
+                INSTALL_DIR="$2"
+                shift
+                shift
+                ;;
+            "--no-configure-mariadb")
+                NO_CONFIGURE_MARIADB=true
+                shift
+                ;;
+            "--database-name")
+                [[ -z "$2" ]] && _print_usage "Database name not speficied" 1
+                [[ "$2:0:1" = "-" ]] && _print_usage
+                DATABASE_NAME="$2"
+                shift
+                shift
+                ;;
+            "--database-user")
+                [[ -z "$2" ]] && _print_usage "Database admin user not \
+specified" 1
+                [[ "$2:0:1" = "-" ]] && _print_usage
+                DATABASE_USER="$2"
+                shift
+                shift
+                ;;
+            *)
+                _print_usage "Argument not recognized: $1" 1
+        esac
+    done
+}
+
+# Usage explaination printed to console
+_print_usage() {
+    echo "Usage: $0 [OPTIONS]"
+    echo
+    echo "OPTIONS:"
+    echo "  -h, --help, --usage     Prints this help message and exits"
+    echo "  -q, --quiet             Turns off verbose logging (default: False)"
+    echo "  --version               Install a custom version of Nextcloud
+                            (default: $VERSION)"
+    echo "  --install-dir           Specifies a custom path for installation
+                            (default: \"/var/www/nextcloud\")"
+    echo "  --no-configure-mariadb  Does not launch the default MariaDB server
+                            configuration scriptlet (default: False)"
+    echo "  --database-name         Specifies a custom database name
+                            (default: \"nextcloud\")"
+    echo "  --database-user         Specifies a custom database admin user
+                            (default \"nextcloud_admin\")"
+
+    if [ "$1" ]; then
+        echo
+        echo "Error: $1"
+        if [ "$2" ]; then
+            exit $2
+        fi
+    fi
+    exit 0
+}
+
+# Update current system
+_update_system() {
+    [[ "$VERBOSE" = true ]] && echo "Updating current system"
+    ERR=$( { apt update 1>/dev/null; } 2>&1 | grep -v "stable CLI interface" )
+    [[ "$ERR" ]] && echo "Error during package cache update: $ERR"
+    ERR=$( { apt -y upgrade 1>/dev/null; } 2>&1 | grep -v \
+    "stable CLI interface" )
+    [[ "$ERR" ]] && echo "Error during system package updates: $ERR"
+}
+
+# Ask the user for mysql `root` password and configure mysql in unattended mode
+_configure_mariadb_server() {
+    read -sp 'Please type a `root` password for mysql database: ' \
+        MYSQL_ROOT_PASSWORD && echo ""
+
+    [[ "$VERBOSE" = true ]] && echo "Configuring mysql in unattended mode"
+    ERR=$( { apt -y install expect >/dev/null; } 2>&1 | grep -v \
+    "stable CLI interface" )
+    [[ "$ERR" ]] && echo "Error during package installations: $ERR"
+    SECURE_MYSQL=$(expect -c "
+        set timeout 10
+        spawn mysql_secure_installation
+        expect \"Enter current password for root (enter for none):\"
+        send \"\r\"
+        expect \"Set root password?\"
+        send \"y\r\"
+        expect \"New password:\"
+        send \"$MYSQL_ROOT_PASSWORD\r\"
+        expect \"Re-enter new password:\"
+        send \"$MYSQL_ROOT_PASSWORD\r\"
+        expect \"Remove anonymous users?\"
+        send \"y\r\"
+        expect \"Disallow root login remotely?\"
+        send \"y\r\"
+        expect \"Remove test database and access to it?\"
+        send \"y\r\"
+        expect \"Reload privilege tables now?\"
+        send \"y\r\"
+        expect eof
+    ")
+    ERR=$( { echo "$SECURE_MYSQL" 1>/dev/null; } 2>&1 )
+    [[ "$ERR" ]] && echo "Error during mysql_initialization: $ERR"
+    ERR=$( { apt -y remove --purge expect >/dev/null; } 2>&1 | \
+        grep -v "stable CLI interface" )
+    [[ "$ERR" ]] && echo "Error during package removals: $ERR"
+
+    unset SECURE_MYSQL
+}
+
+# Create Nextcloud database with associated login
+_configure_database() {
+    [[ "$VERBOSE" = true ]] && echo "Creating Nextcloud database with \
+associated login"
+    MYSQL_ROOT_USER="root"
+    QUERY="command=password&format=plain&scheme=rrnnnrrnrnnnrrnrnnrr"
+    MYSQL_USER_PASSWORD=$(curl -s \
+    "https://www.passwordrandom.com/query?$QUERY")
+    SQL="CREATE DATABASE nextcloud;"
+    mysql -u$MYSQL_ROOT_USER -p$MYSQL_ROOT_PASSWORD -e "$SQL"
+    SQL="GRANT ALL PRIVILEGES ON nextcloud.* TO nextcloud_admin@localhost
+    IDENTIFIED BY '$MYSQL_USER_PASSWORD';"
+    mysql -u$MYSQL_ROOT_USER -p$MYSQL_ROOT_PASSWORD -e "$SQL"
+    SQL="FLUSH PRIVILEGES;"
+    mysql -u$MYSQL_ROOT_USER -p$MYSQL_ROOT_PASSWORD -e "$SQL"
+
+    unset SQL; unset MYSQL_ROOT_USER; unset MYSQL_ROOT_PASSWORD; unset QUERY
+}
+
+# Create required folders and set correct permissions
+_configure_permissions() {    
+    [[ "$VERBOSE" = true ]] && echo "Creating required folders and setting \
+correct permissions"
+    mkdir -p "$INSTALL_DIR"/{public,data}
+    chown -R www-data:www-data "$INSTALL_DIR"
+}
+
+# Configure Apache2 to run the website
+_configure_apache2() {
+    # Ask the user for Apache2 FQDN hostname
+    read -p 'Please type the FQDN Nextcloud should run on: ' \
+    HOSTNAME && echo ""
+
+    [[ "$VERBOSE" = true ]] && echo "Configuring Apache2 to run the website"
+    cat << "EOF" > /etc/apache2/sites-available/cloud.conf
+<VirtualHost *:80>
+    ServerName $HOSTNAME
+    DocumentRoot "$INSTALL_DIR/public"
+
+    <Directory "$INSTALL_DIR/public">
+            Allow from all
+            Require all granted
+    </Directory>
+
+    ErrorLog $INSTALL_DIR/error.log
+    CustomLog $INSTALL_DIR/access.log combined
+</VirtualHost>
+EOF
+    unset HOSTNAME; unset INSTALL_DIR
+}
+
+# Main program function, calls all other functions in the correct order
+_main() {
+    _update_system
+    _configure_permissions
+    [[ "$NO_CONFIGURE_MARIADB" = false ]] && _configure_mariadb_server
+    _configure_database
+    _download_website
+    _configure_apache2
+    _enable_site
+}
+
+# Program execution
+_parse_params $@
+_main