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lib.sh
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#!/bin/bash
# T&M Hansson IT AB Β© - 2022, https://www.hanssonit.se/
# GNU General Public License v3.0
# https://github.com/nextcloud/vm/blob/master/LICENSE
# shellcheck disable=SC2034
true
# see https://github.com/koalaman/shellcheck/wiki/Directive
##### LEGACY #####
## Remove 2022-09-01
NCPATH=/var/www/nextcloud
NCPASS=nextcloud
NCUSER=ncadmin
PGDB_USER=nextcloud_db_user
if [ -f "$NCPATH"/config/config.php ]
then
NCCONFIGDBPASS="$(grep 'dbpassword' "$NCPATH"/config/config.php | awk '{print $3}' | sed "s/[',]//g")"
NCCONFIGDB="$(grep 'dbname' "$NCPATH"/config/config.php | awk '{print $3}' | sed "s/[',]//g")"
fi
## VARIABLES
# Dirs
SCRIPTS=/var/scripts
NCPATH=/var/www/nextcloud
HTML=/var/www
POOLNAME=ncdata
NCDATA=/mnt/"$POOLNAME"
SNAPDIR=/var/snap/spreedme
GPGDIR=/tmp/gpg
SHA256_DIR=/tmp/sha256
BACKUP=/mnt/NCBACKUP
RORDIR=/opt/es/
OPNSDIR=/opt/opensearch
NC_APPS_PATH=$NCPATH/apps
VMLOGS=/var/log/nextcloud
# Helper function for generating random passwords
gen_passwd() {
local length=$1
local charset="$2"
local password=""
while [ ${#password} -lt "$length" ]
do
password=$(echo "$password""$(head -c 100 /dev/urandom | LC_ALL=C tr -dc "$charset")" | fold -w "$length" | head -n 1)
done
echo "$password"
}
# Ubuntu OS
DISTRO=$(lsb_release -sr)
CODENAME=$(lsb_release -sc)
KEYBOARD_LAYOUT=$(localectl status | grep "Layout" | awk '{print $3}')
# Hypervisor
### TODO ### HYPERVISOR=$(dmesg --notime | grep -i hypervisor | cut -d ':' -f2 | head -1 | tr -d ' ')
SYSVENDOR=$(cat /sys/devices/virtual/dmi/id/sys_vendor)
# Network
IFACE=$(ip r | grep "default via" | awk '{print $5}')
IFACE2=$(ip -o link show | awk '{print $2,$9}' | grep 'UP' | cut -d ':' -f 1)
REPO=$(grep "^deb " /etc/apt/sources.list | grep http | awk '{print $2}' | head -1)
ADDRESS=$(hostname -I | cut -d ' ' -f 1)
WANIP4=$(curl -s -k -m 5 -4 https://api64.ipify.org)
INTERFACES="/etc/netplan/nextcloud.yaml"
GATEWAY=$(ip route | grep default | awk '{print $3}')
# Internet DNS required when a check needs to be made to a server outside the home/SME
INTERNET_DNS="9.9.9.9"
# Default Quad9 DNS servers, overwritten by the systemd global DNS defined servers, if set
DNS1="9.9.9.9"
DNS2="149.112.112.112"
NONO_PORTS=(22 25 53 80 443 1024 3012 3306 5178 5179 5432 7867 7983 8983 10000 8081 8443 9443)
use_global_systemd_dns() {
if [ -f "/etc/systemd/resolved.conf" ]
then
local resolvedDns1
resolvedDns1=$(grep -m 1 -E "^DNS=.+" /etc/systemd/resolved.conf | sed s/^DNS=// | awk '{print $1}')
if [ -n "$resolvedDns1" ]
then
DNS1="$resolvedDns1"
local resolvedDns2
resolvedDns2=$(grep -m 1 -E "^DNS=.+" /etc/systemd/resolved.conf | sed s/^DNS=// | awk '{print $2}')
if [ -n "$resolvedDns2" ]
then
DNS2="$resolvedDns2"
else
DNS2=
fi
fi
fi
}
use_global_systemd_dns
# Whiptails
TITLE="Nextcloud VM - $(date +%Y)"
[ -n "$SCRIPT_NAME" ] && TITLE+=" - $SCRIPT_NAME"
CHECKLIST_GUIDE="Navigate with the [ARROW] keys and (de)select with the [SPACE] key. \
Confirm by pressing [ENTER]. Cancel by pressing [ESC]."
MENU_GUIDE="Navigate with the [ARROW] keys and confirm by pressing [ENTER]. Cancel by pressing [ESC]."
RUN_LATER_GUIDE="You can view this script later by running 'sudo bash $SCRIPTS/menu.sh'."
# Repo
GITHUB_REPO="https://raw.githubusercontent.com/nextcloud/vm/master"
STATIC="$GITHUB_REPO/static"
LETS_ENC="$GITHUB_REPO/lets-encrypt"
APP="$GITHUB_REPO/apps"
OLD="$GITHUB_REPO/old"
ADDONS="$GITHUB_REPO/addons"
DESEC="$GITHUB_REPO/addons/deSEC"
MENU="$GITHUB_REPO/menu"
DISK="$GITHUB_REPO/disk"
NETWORK="$GITHUB_REPO/network"
VAGRANT_DIR="$GITHUB_REPO/vagrant"
NOT_SUPPORTED_FOLDER="$GITHUB_REPO/not-supported"
GEOBLOCKDAT="$GITHUB_REPO/geoblockdat"
NCREPO="https://download.nextcloud.com/server/releases"
ISSUES="https://github.com/nextcloud/vm/issues"
# User information
GUIUSER=ncadmin
GUIPASS=nextcloud
UNIXUSER=$SUDO_USER
UNIXUSER_PROFILE="/home/$UNIXUSER/.bash_profile"
ROOT_PROFILE="/root/.bash_profile"
# User for Bitwarden
BITWARDEN_USER=bitwarden
BITWARDEN_HOME=/home/"$BITWARDEN_USER"
# Database
SHUF=$(shuf -i 25-29 -n 1)
PGDB_USER=nextcloud_db_user
PGDB_PASS=$(gen_passwd "$SHUF" "a-zA-Z0-9@#*")
NEWPGPASS=$(gen_passwd "$SHUF" "a-zA-Z0-9@#*")
ncdb() {
NCDB=$(grep "dbname" $NCPATH/config/config.php | awk '{print $3}' | sed "s/[',]//g")
NCDBPASS=$(grep "dbpassword" $NCPATH/config/config.php | awk '{print $3}' | sed "s/[',]//g")
NCDBUSER=$(grep "dbuser" $NCPATH/config/config.php | awk '{print $3}' | sed "s/[',]//g")
NCDBTYPE=$(grep "dbtype" /var/www/nextcloud/config/config.php | awk '{print $3}' | sed "s/[',]//g")
NCDBHOST=$(grep "dbhost" /var/www/nextcloud/config/config.php | awk '{print $3}' | sed "s/[',]//g")
}
# Path to specific files
SECURE="$SCRIPTS/setup_secure_permissions_nextcloud.sh"
# Nextcloud version
nc_update() {
CURRENTVERSION=$(sudo -u www-data php $NCPATH/occ status | grep "versionstring" | awk '{print $3}')
NCVERSION=$(curl -s -m 900 $NCREPO/ | sed --silent 's/.*href="nextcloud-\([^"]\+\).zip.asc".*/\1/p' | sort --version-sort | tail -1)
STABLEVERSION="nextcloud-$NCVERSION"
NCMAJOR="${NCVERSION%%.*}"
NCBAD=$((NCMAJOR-2))
NCNEXT="$((${CURRENTVERSION%%.*}+1))"
}
# Set the hour for automatic updates. This would be 18:00 as only the hour is configurable.
AUT_UPDATES_TIME="18"
# Keys
OpenPGP_fingerprint='28806A878AE423A28372792ED75899B9A724937A'
# Letsencrypt
SITES_AVAILABLE="/etc/apache2/sites-available"
LETSENCRYPTPATH="/etc/letsencrypt"
CERTFILES="$LETSENCRYPTPATH/live"
DHPARAMS_TLS="$CERTFILES/$TLSDOMAIN/dhparam.pem"
DHPARAMS_SUB="$CERTFILES/$SUBDOMAIN/dhparam.pem"
TLS_CONF="nextcloud_tls_domain_self_signed.conf"
HTTP_CONF="nextcloud_http_domain_self_signed.conf"
# Collabora App
HTTPS_CONF="$SITES_AVAILABLE/$SUBDOMAIN.conf"
HTTP2_CONF="/etc/apache2/mods-available/http2.conf"
# PHP-FPM
PHPVER=8.1
PHP_FPM_DIR=/etc/php/$PHPVER/fpm
PHP_INI=$PHP_FPM_DIR/php.ini
PHP_POOL_DIR=$PHP_FPM_DIR/pool.d
PHP_MODS_DIR=/etc/php/"$PHPVER"/mods-available
# Notify push
NOTIFY_PUSH_SERVICE_PATH="/etc/systemd/system/notify_push.service"
# Adminer
ADMINERDIR=/usr/share/adminer
ADMINER_CONF="$SITES_AVAILABLE/adminer.conf"
# Redis
REDIS_CONF=/etc/redis/redis.conf
REDIS_SOCK=/var/run/redis/redis-server.sock
REDIS_PASS=$(gen_passwd "$SHUF" "a-zA-Z0-9@#*")
# Extra security
SPAMHAUS=/etc/spamhaus.wl
ENVASIVE=/etc/apache2/mods-available/mod-evasive.load
APACHE2=/etc/apache2/apache2.conf
# Full text Search
opensearch_install() {
INDEX_USER=$(gen_passwd "$SHUF" '[:lower:]')
OPNSREST=$(gen_passwd "$SHUF" "A-Za-z0-9")
nc_fts="ark74/nc_fts"
opens_fts="opensearchproject/opensearch:1"
fts_node="fts_os-node"
}
create_certs(){
download_script APP opensearch_certs
check_command sed -i "s|__NCDOMAIN__|$1|" "$SCRIPTS"/opensearch_certs.sh
check_command mv "$SCRIPTS"/opensearch_certs.sh "$OPNSDIR"
check_command cd "$OPNSDIR"
check_command bash opensearch_certs.sh
rm -f "$OPNSDIR"/opensearch_certs.sh
}
# Name in trusted_config
ncdomain() {
NCDOMAIN=$(nextcloud_occ_no_check config:system:get overwrite.cli.url | sed 's|https://||;s|/||')
}
# Talk
turn_install() {
TURN_CONF="/etc/turnserver.conf"
TURN_PORT=3478
TURN_DOMAIN=$(sudo -u www-data /var/www/nextcloud/occ config:system:get overwrite.cli.url | sed 's|https://||;s|/||')
SHUF=$(shuf -i 25-29 -n 1)
TURN_SECRET=$(gen_passwd "$SHUF" "a-zA-Z0-9@#*")
JANUS_API_KEY=$(gen_passwd "$SHUF" "a-zA-Z0-9@#*")
NC_SECRET=$(gen_passwd "$SHUF" "a-zA-Z0-9@#*")
SIGNALING_SERVER_CONF=/etc/signaling/server.conf
}
## FUNCTIONS
# If script is running as root?
#
# Example:
# if is_root
# then
# # do stuff
# else
# print_text_in_color "$IRed" "You are not root..."
# exit 1
# fi
#
is_root() {
if [[ "$EUID" -ne 0 ]]
then
return 1
else
return 0
fi
}
# Check if root
root_check() {
if ! is_root
then
msg_box "Sorry, you are not root. You now have two options:
1. Use SUDO directly:
a) :~$ sudo bash $SCRIPTS/name-of-script.sh
2. Become ROOT and then type your command:
a) :~$ sudo -i
b) :~# bash $SCRIPTS/name-of-script.sh
In both cases above you can leave out $SCRIPTS/ if the script
is directly in your PATH.
More information can be found here: https://unix.stackexchange.com/a/3064"
exit 1
fi
}
debug_mode() {
if [ "$DEBUG" -eq 1 ]
then
set -ex
fi
}
msg_box() {
[ -n "$2" ] && local SUBTITLE=" - $2"
whiptail --title "$TITLE$SUBTITLE" --msgbox "$1" "$WT_HEIGHT" "$WT_WIDTH" 3>&1 1>&2 2>&3
}
yesno_box_yes() {
[ -n "$2" ] && local SUBTITLE=" - $2"
if (whiptail --title "$TITLE$SUBTITLE" --yesno "$1" "$WT_HEIGHT" "$WT_WIDTH" 3>&1 1>&2 2>&3)
then
return 0
else
return 1
fi
}
yesno_box_no() {
[ -n "$2" ] && local SUBTITLE=" - $2"
if (whiptail --title "$TITLE$SUBTITLE" --defaultno --yesno "$1" "$WT_HEIGHT" "$WT_WIDTH" 3>&1 1>&2 2>&3)
then
return 0
else
return 1
fi
}
input_box() {
[ -n "$2" ] && local SUBTITLE=" - $2"
local RESULT && RESULT=$(whiptail --title "$TITLE$SUBTITLE" --nocancel --inputbox "$1" "$WT_HEIGHT" "$WT_WIDTH" 3>&1 1>&2 2>&3)
echo "$RESULT"
}
input_box_flow() {
local RESULT
while :
do
RESULT=$(input_box "$1" "$2")
if [ -z "$RESULT" ]
then
msg_box "Input is empty, please try again." "$2"
elif ! yesno_box_yes "Is this correct? $RESULT" "$2"
then
msg_box "OK, please try again." "$2"
else
break
fi
done
echo "$RESULT"
}
install_popup() {
msg_box "$SCRIPT_EXPLAINER"
if yesno_box_yes "Do you want to install $1?"
then
print_text_in_color "$ICyan" "Installing $1..."
else
if [ -z "$2" ] || [ "$2" = "exit" ]
then
exit 1
elif [ "$2" = "sleep" ]
then
sleep 1
elif [ "$2" = "return" ]
then
return 1
else
exit 1
fi
fi
}
reinstall_remove_menu() {
REINSTALL_REMOVE=$(whiptail --title "$TITLE" --menu \
"It seems like $1 is already installed.\nChoose what you want to do.
$MENU_GUIDE\n\n$RUN_LATER_GUIDE" "$WT_HEIGHT" "$WT_WIDTH" 4 \
"Reinstall" " $1" \
"Uninstall" " $1" 3>&1 1>&2 2>&3)
if [ "$REINSTALL_REMOVE" = "Reinstall" ]
then
print_text_in_color "$ICyan" "Reinstalling $1..."
elif [ "$REINSTALL_REMOVE" = "Uninstall" ]
then
print_text_in_color "$ICyan" "Uninstalling $1..."
elif [ -z "$REINSTALL_REMOVE" ]
then
if [ -z "$2" ] || [ "$2" = "exit" ]
then
exit 1
elif [ "$2" = "sleep" ]
then
sleep 1
elif [ "$2" = "return" ]
then
return 1
else
exit 1
fi
fi
}
removal_popup() {
if [ "$REINSTALL_REMOVE" = "Uninstall" ]
then
msg_box "$1 was successfully uninstalled."
if [ -z "$2" ] || [ "$2" = "exit" ]
then
exit 1
elif [ "$2" = "sleep" ]
then
sleep 1
elif [ "$2" = "return" ]
then
return 1
else
exit 1
fi
elif [ "$REINSTALL_REMOVE" = "Reinstall" ]
then
print_text_in_color "$ICyan" "Reinstalling $1..."
else
msg_box "It seems like neither Uninstall nor Reinstall was selected, \
something is wrong here. Please report this to $ISSUES"
exit 1
fi
}
# Used in geoblock.sh
get_newest_dat_files() {
# IPv4
IPV4_NAME=$(curl -s https://github.com/nextcloud/vm/tree/master/geoblockdat \
| grep -oP '202[0-9]-[01][0-9]-Maxmind-Country-IPv4\.dat' | sort -r | head -1)
if [ -z "$IPV4_NAME" ]
then
print_text_in_color "$IRed" "Could not get the latest IPv4 name. Not updating the .dat file"
sleep 1
else
if ! [ -f "$SCRIPTS/$IPV4_NAME" ]
then
print_text_in_color "$ICyan" "Downloading new IPv4 dat file..."
sleep 1
curl_to_dir "$GEOBLOCKDAT" "$IPV4_NAME" "$SCRIPTS"
mkdir -p /usr/share/GeoIP
rm -f /usr/share/GeoIP/GeoIP.dat
check_command cp "$SCRIPTS/$IPV4_NAME" /usr/share/GeoIP
check_command mv "/usr/share/GeoIP/$IPV4_NAME" /usr/share/GeoIP/GeoIP.dat
chown root:root /usr/share/GeoIP/GeoIP.dat
chmod 644 /usr/share/GeoIP/GeoIP.dat
find /var/scripts -type f -regex \
"$SCRIPTS/202[0-9]-[01][0-9]-Maxmind-Country-IPv4\.dat" -not -name "$IPV4_NAME" -delete
else
print_text_in_color "$ICyan" "The latest IPv4 dat file is already downloaded."
sleep 1
fi
fi
# IPv6
IPV6_NAME=$(curl -s https://github.com/nextcloud/vm/tree/master/geoblockdat \
| grep -oP '202[0-9]-[01][0-9]-Maxmind-Country-IPv6\.dat' | sort -r | head -1)
if [ -z "$IPV6_NAME" ]
then
print_text_in_color "$IRed" "Could not get the latest IPv6 name. Not updating the .dat file"
sleep 1
else
if ! [ -f "$SCRIPTS/$IPV6_NAME" ]
then
print_text_in_color "$ICyan" "Downloading new IPv6 dat file..."
sleep 1
curl_to_dir "$GEOBLOCKDAT" "$IPV6_NAME" "$SCRIPTS"
mkdir -p /usr/share/GeoIP
rm -f /usr/share/GeoIP/GeoIPv6.dat
check_command cp "$SCRIPTS/$IPV6_NAME" /usr/share/GeoIP
check_command mv "/usr/share/GeoIP/$IPV6_NAME" /usr/share/GeoIP/GeoIPv6.dat
chown root:root /usr/share/GeoIP/GeoIPv6.dat
chmod 644 /usr/share/GeoIP/GeoIPv6.dat
find /var/scripts -type f -regex \
"$SCRIPTS/202[0-9]-[01][0-9]-Maxmind-Country-IPv6\.dat" -not -name "$IPV6_NAME" -delete
else
print_text_in_color "$ICyan" "The latest IPv6 dat file is already downloaded."
sleep 1
fi
fi
}
# Check if process is runnnig: is_process_running dpkg
is_process_running() {
PROCESS="$1"
while :
do
RESULT=$(pgrep "${PROCESS}")
if [ "${RESULT:-null}" = null ]; then
break
else
print_text_in_color "$ICyan" "${PROCESS} is running, waiting for it to stop. Please be patient..."
sleep 30
fi
done
}
# Fix issues like https://github.com/nextcloud/spreed/issues/5518
check_running_cronjobs() {
while [ -n "$(pgrep -f nextcloud/cron.php)" ]
do
countdown "Waiting for the Nextcloud cronjob to finish..." "30"
done
}
# Checks if site is reachable with a HTTP 200 status
site_200() {
print_text_in_color "$ICyan" "Checking connection..."
CURL_STATUS="$(curl -LI "${1}" -o /dev/null -w '%{http_code}\n' -s)"
if [[ "$CURL_STATUS" = "200" ]]
then
return 0
else
print_text_in_color "$IRed" "curl didn't produce a 200 status, is ${1} reachable?"
return 1
fi
}
# Do a DNS lookup and compare the WAN address with the A record
domain_check_200() {
print_text_in_color "$ICyan" "Doing a DNS lookup for ${1}..."
install_if_not dnsutils
# Try to resolve the domain with nslookup using $DNS as resolver
if nslookup "${1}" "$INTERNET_DNS"
then
print_text_in_color "$IGreen" "DNS seems correct when checking with nslookup!"
else
msg_box "DNS lookup failed with nslookup. \
Please check your DNS settings! Maybe the domain isn't propagated?
You can use this site to check if the IP seems correct: https://www.whatsmydns.net/#A/${1}"
if ! yesno_box_no "Are you 100% sure the domain is correct?"
then
exit
fi
fi
# Is the DNS record same as the external IP address of the server?
if dig +short "${1}" @resolver1.opendns.com | grep -q "$WANIP4"
then
print_text_in_color "$IGreen" "DNS seems correct when checking with dig!"
else
msg_box "DNS lookup failed with dig. The external IP ($WANIP4) \
address of this server is not the same as the A-record ($DIG).
Please check your DNS settings! Maybe the domain hasn't propagated?
Please check https://www.whatsmydns.net/#A/${1} if the IP seems correct."
msg_box "As you noticed your WAN IP and DNS record doesn't match. \
This can happen when using DDNS for example, or in other edge cases.
If you feel brave, or are sure that everything is set up correctly, \
then you can choose to skip this test in the next step.
If needed, you can always contact us for further support: \
https://shop.hanssonit.se/product/premium-support-per-30-minutes/"
if ! yesno_box_no "Do you feel brave and want to continue?"
then
exit
fi
fi
}
# A function to set the systemd-resolved default DNS servers based on the
# current Internet facing interface. This is needed for docker interfaces
# that might not use the same DNS servers otherwise.
set_systemd_resolved_dns() {
local iface="$1"
local pattern="$iface(?:.|\n)*?DNS Servers: ((?:[0-9a-f.: ]|\n)*?)\s*(?=\n\S|\n.+: |$)"
local dnss
dnss=$( systemd-resolve --status | perl -0777 -ne "if ((\$v) = (/$pattern/)) {\$v=~s/(?:\s|\n)+/ /g;print \"\$v\n\";}" )
if [ -n "$dnss" ]
then
sed -i "s/^#\?DNS=.*$/DNS=${dnss}/" /etc/systemd/resolved.conf
systemctl restart systemd-resolved &>/dev/null
sleep 1
fi
}
# A function to fetch a file with curl to a directory
# 1 = https://example.com
# 2 = name of file
# 3 = directory that the file should end up in
curl_to_dir() {
if [ ! -d "$3" ]
then
mkdir -p "$3"
fi
rm -f "$3"/"$2"
if [ -n "$download_script_function_in_use" ]
then
curl -sfL "$1"/"$2" -o "$3"/"$2"
else
local retries=0
while :
do
if [ "$retries" -ge 10 ]
then
if yesno_box_yes "Tried 10 times but didn't succeed. We will now exit the script because it might break things. You can choose 'No' to continue on your own risk."
then
exit 1
else
return 1
fi
fi
if ! curl -sfL "$1"/"$2" -o "$3"/"$2"
then
msg_box "We just tried to fetch '$1/$2', but it seems like the server for the download isn't reachable, or that a temporary error occurred. We will now try again.
Please report this issue to $ISSUES"
retries=$((retries+1))
print_text_in_color "$ICyan" "$retries of 10 retries."
countdown "Trying again in 30 seconds..." "30"
else
break
fi
done
fi
}
start_if_stopped() {
if ! pgrep "$1"
then
print_text_in_color "$ICyan" "Starting $1..."
systemctl start "$1".service
fi
}
# Warn user that HTTP/2 will be disabled if installing app that use Apache2 PHP instead of PHP-FPM
# E.g: http2_warn Modsecurity
http2_warn() {
msg_box "This VM has HTTP/2 enabled by default.
If you continue with installing $1, HTTP/2 will be disabled since it's not compatible with the mpm module used by $1.
This is what Apache will say in the error.log if you enable $1 anyway:
'The mpm module (prefork.c) is not supported by mod_http2.
The mpm determines how things are processed in your server.
HTTP/2 has more demands in this regard and the currently selected mpm will just not do.
This is an advisory warning. Your server will continue to work, but the HTTP/2 protocol will be inactive.'"
if ! yesno_box_yes "Do you really want to enable $1 anyway?"
then
exit 1
fi
}
calculate_php_fpm() {
# Get current PHP version
check_php
# Minimum amount of max children (lower than this won't work with 2 GB RAM)
min_max_children=8
# If start servers are lower than this then it's likely that there are room for max_spare_servers
min_start_servers=20
# Maximum amount of children is only set if the min_start_servers value are met
min_max_spare_servers=35
# Calculate the sum of the current values
CURRENT_START="$(grep pm.start_servers "$PHP_POOL_DIR"/nextcloud.conf | awk '{ print $3}')"
CURRENT_MAX="$(grep pm.max_spare_servers "$PHP_POOL_DIR"/nextcloud.conf | awk '{ print $3}')"
CURRENT_MIN="$(grep pm.min_spare_servers "$PHP_POOL_DIR"/nextcloud.conf | awk '{ print $3}')"
CURRENT_SUM="$((CURRENT_START + CURRENT_MAX + CURRENT_MIN))"
# Calculate max_children depending on RAM
# Tends to be between 30-50MB per children
average_php_memory_requirement=50
available_memory=$(awk '/MemAvailable/ {printf "%d", $2/1024}' /proc/meminfo)
PHP_FPM_MAX_CHILDREN=$((available_memory/average_php_memory_requirement))
# Lowest possible value is 8
print_text_in_color "$ICyan" "Automatically configures pm.max_children for php-fpm..."
if [ $PHP_FPM_MAX_CHILDREN -lt $min_max_children ]
then
msg_box "The current max_children value available to set is \
$PHP_FPM_MAX_CHILDREN, and PHP-FPM won't function properly with that value.
The minimum value is 8, and the value is calculated depening on how much available RAM you have left.
The absolute minimum amount of RAM required to run the VM is 2 GB, but we recommend 4 GB.
You now have two choices:
1. Import this VM again, raise the amount of RAM with at least 1 GB, and run this script
in the same way as you just have.
2. Import this VM again without raising the RAM, but don't install any of the following apps:
1) Collabora
2) OnlyOffice
3) Full Text Search
This script will now exit.
The installation was not successful, sorry for the inconvenience.
If you think this is a bug, please report it to $ISSUES"
exit 1
else
check_command sed -i "s|pm.max_children.*|pm.max_children = $PHP_FPM_MAX_CHILDREN|g" "$PHP_POOL_DIR"/nextcloud.conf
print_text_in_color "$IGreen" "pm.max_children was set to $PHP_FPM_MAX_CHILDREN"
# Check if the sum of all the current values are more than $PHP_FPM_MAX_CHILDREN and only continue it is
if [ $PHP_FPM_MAX_CHILDREN -gt $CURRENT_SUM ]
then
# Set pm.max_spare_servers
if [ $PHP_FPM_MAX_CHILDREN -ge $min_max_spare_servers ]
then
if [ "$(grep pm.start_servers "$PHP_POOL_DIR"/nextcloud.conf | awk '{ print $3}')" -lt $min_start_servers ]
then
check_command sed -i "s|pm.max_spare_servers.*|pm.max_spare_servers = $((PHP_FPM_MAX_CHILDREN - 30))|g" "$PHP_POOL_DIR"/nextcloud.conf
print_text_in_color "$IGreen" "pm.max_spare_servers was set to $((PHP_FPM_MAX_CHILDREN - 30))"
fi
fi
fi
fi
# If $PHP_FPM_MAX_CHILDREN is lower than the current sum of all values, revert to default settings
if [ $PHP_FPM_MAX_CHILDREN -lt $CURRENT_SUM ]
then
check_command sed -i "s|pm.max_children.*|pm.max_children = $PHP_FPM_MAX_CHILDREN|g" "$PHP_POOL_DIR"/nextcloud.conf
check_command sed -i "s|pm.start_servers.*|pm.start_servers = 3|g" "$PHP_POOL_DIR"/nextcloud.conf
check_command sed -i "s|pm.min_spare_servers.*|pm.min_spare_servers = 2|g" "$PHP_POOL_DIR"/nextcloud.conf
check_command sed -i "s|pm.max_spare_servers.*|pm.max_spare_servers = 3|g" "$PHP_POOL_DIR"/nextcloud.conf
print_text_in_color "$ICyan" "All PHP-INI values were set back to default values as the value for pm.max_children ($PHP_FPM_MAX_CHILDREN) was lower than the sum of all the current values ($CURRENT_SUM)"
print_text_in_color "$ICyan" "Please run this again to set optimal values"
fi
restart_webserver
}
# Compatibility with older VMs
calculate_max_children() {
calculate_php_fpm
}
test_connection() {
version(){
local h t v
[[ $2 = "$1" || $2 = "$3" ]] && return 0
v=$(printf '%s\n' "$@" | sort -V)
h=$(head -n1 <<<"$v")
t=$(tail -n1 <<<"$v")
[[ $2 != "$h" && $2 != "$t" ]]
}
if ! version 20.04 "$DISTRO" 22.04.10
then
print_text_in_color "$IRed" "Your current Ubuntu version is $DISTRO but must be between \
20.04 - 22.04.10 to run this script."
print_text_in_color "$ICyan" "Please contact us for support upgrading your server:"
print_text_in_color "$ICyan" "https://www.hanssonit.se/#contact"
print_text_in_color "$ICyan" "https://shop.hanssonit.se/"
sleep 300
fi
# Install dnsutils if not existing
if ! dpkg-query -W -f='${Status}' "dnsutils" | grep -q "ok installed"
then
apt-get update -q4 & spinner_loading && apt-get install dnsutils -y
fi
# Install net-tools if not existing
if ! dpkg-query -W -f='${Status}' "net-tools" | grep -q "ok installed"
then
apt-get update -q4 & spinner_loading && apt-get install net-tools -y
fi
# After applying Netplan settings, try a DNS lookup.
# Restart systemd-networkd if this fails and try again.
# If this second check also fails, consider this a problem.
print_text_in_color "$ICyan" "Checking connection..."
netplan apply
sleep 2
if ! nslookup github.com
then
print_text_in_color "$ICyan" "Trying to restart netplan service..."
check_command systemctl restart systemd-networkd && sleep 2
if ! nslookup github.com
then
msg_box "Network is NOT OK. You must have a working network connection to run this script.
If you think that this is a bug, please report it to https://github.com/nextcloud/vm/issues."
return 1
fi
fi
print_text_in_color "$IGreen" "Online!"
return 0
}
# Check that the script can see the external IP (apache fails otherwise), used e.g. in the adminer app script.
check_external_ip() {
if [ -z "$WANIP4" ]
then
print_text_in_color "$IRed" "WANIP4 is an empty value, Apache will fail on reboot due to this. \
Please check your network and try again."
sleep 3
exit 1
fi
}
# Check if Nextcloud is installed with TLS
check_nextcloud_https() {
if ! nextcloud_occ_no_check config:system:get overwrite.cli.url | grep -q "https"
then
msg_box "Sorry, but Nextcloud needs to be run on HTTPS.
You can easily activate TLS (HTTPS) by running the Let's Encrypt script.
More info here: https://bit.ly/37wRCin
To run this script again, just exectue 'sudo bash $SCRIPTS/menu.sh' and choose:
Additional Apps --> Documentserver --> $1."
exit
fi
}
restart_webserver() {
check_command systemctl restart apache2.service
if is_this_installed php"$PHPVER"-fpm
then
check_command systemctl restart php"$PHPVER"-fpm.service
fi
}
# Install certbot (Let's Encrypt)
install_certbot() {
if certbot --version >/dev/null 2>&1
then
# Reinstall certbot (use snap instead of package)
# https://askubuntu.com/a/1271565
if dpkg -l | grep certbot >/dev/null 2>&1
then
# certbot will be removed, but still listed, so we need to check if the snap is installed as well so that this doesn't run every time
if ! snap list certbot >/dev/null 2>&1
then
print_text_in_color "$ICyan" "Reinstalling certbot (Let's Encrypt) as a snap instead..."
apt-get remove certbot -y
apt-get autoremove -y
install_if_not snapd
snap install core
snap install certbot --classic
# Update $PATH in current session (login and logout is required otherwise)
check_command hash -r
fi
fi
else
print_text_in_color "$ICyan" "Installing certbot (Let's Encrypt)..."
install_if_not snapd
snap install certbot --classic
# Update $PATH in current session (login and logout is required otherwise)
check_command hash -r
fi
}
# Generate certs and configure it automatically
# https://certbot.eff.org/docs/using.html#certbot-command-line-options
generate_cert() {
uir_hsts=""
if [ -z "$SUBDOMAIN" ]
then
uir_hsts="--uir --hsts"
fi
a2dissite 000-default.conf
systemctl reload apache2.service
default_le="--cert-name $1 --key-type ecdsa --renew-by-default --no-eff-email --agree-tos $uir_hsts --server https://acme-v02.api.letsencrypt.org/directory -d $1"
#http-01
local standalone="certbot certonly --standalone --pre-hook \"systemctl stop apache2.service\" --post-hook \"systemctl start apache2.service\" $default_le"
#tls-alpn-01
local tls_alpn_01="certbot certonly --preferred-challenges tls-alpn-01 $default_le"
#dns
local dns="certbot certonly --manual --manual-public-ip-logging-ok --preferred-challenges dns $default_le"
local methods=(standalone dns)
for f in "${methods[@]}"
do
print_text_in_color "${ICyan}" "Trying to generate certs and validate them with $f method."
current_method=""
eval current_method="\$$f"
if eval "$current_method"
then
return 0
elif [ "$f" != "${methods[$((${#methods[*]} - 1))]}" ]
then
msg_box "It seems like no certs were generated when trying \
to validate them with the $f method. We will retry."
else
msg_box "It seems like no certs were generated when trying \
to validate them with the $f method. We have exhausted all the methods. Please check your DNS and try again."
return 1;
fi
done
}
is_desec_installed() {
# Check if deSEC is installed and add the needed variables if yes
if [ -f "$SCRIPTS"/deSEC/.dedynauth ]
then
if [ -f /etc/ddclient.conf ]
then
DEDYN_TOKEN=$(grep DEDYN_TOKEN "$SCRIPTS"/deSEC/.dedynauth | cut -d '=' -f2)
DEDYN_NAME=$(grep DEDYN_NAME "$SCRIPTS"/deSEC/.dedynauth | cut -d '=' -f2)
return 0
fi
else
msg_box "It seems like deSEC isn't configured on this server.
Please run 'sudo bash $SCRIPTS/menu.sh --> Server Configuration --> deSEC' to configure it."
return 1
fi
}
generate_desec_cert() {
# Check if the hook is in place
if [ ! -f "$SCRIPTS"/deSEC/hook.sh ]
then
msg_box "Sorry, but it seems like the needed hook for this to work is missing.
No TLS will be generated. Please report this to $ISSUES."
exit 1
fi
print_text_in_color "$ICyan" "Generating new TLS cert with DNS and deSEC, please don't abort the hook, it may take a while..."
# Renew with DNS by default
if certbot certonly --manual --text --key-type ecdsa --renew-by-default --server https://acme-v02.api.letsencrypt.org/directory --no-eff-email --agree-tos --preferred-challenges dns --manual-auth-hook "$SCRIPTS"/deSEC/hook.sh --manual-cleanup-hook "$SCRIPTS"/deSEC/hook.sh -d "$1"
then
# Generate DHparams cipher
if [ ! -f "$DHPARAMS_TLS" ]
then
openssl dhparam -dsaparam -out "$DHPARAMS_TLS" 4096
fi
# Choose which port for public access
msg_box "You will now be able to choose which port you want to put your Nextcloud on for public access.\n
The default port is 443 for HTTPS and if you don't change port, that's the port we will use.\n
Please keep in mind NOT to use the following ports as they are likely in use already:
${NONO_PORTS[*]}"
if yesno_box_no "Do you want to change the default HTTPS port (443) to something else?"
then
# Ask for port
while :
do
DEDYNPORT=$(input_box_flow "Please choose which port you want between 1024 - 49151.\n\nPlease remember to open this port in your firewall.")
if (("$DEDYNPORT" >= 1024 && "$DEDYNPORT" <= 49151))
then
if check_nono_ports "$DEDYNPORT"
then
print_text_in_color "$ICyan" "Changing to port $DEDYNPORT for public access..."
# Main port
if ! grep -q "Listen $DEDYNPORT" /etc/apache2/ports.conf
then
echo "Listen $DEDYNPORT" >> /etc/apache2/ports.conf
restart_webserver
fi
break
fi
else
msg_box "The port number needs to be between 1024 - 49151, please try again."
fi
done
fi
fi
}
# Last message depending on with script that is being run when using the generate_cert() function
last_fail_tls() {
msg_box "All methods failed. :/
You can run the script again by executing: sudo bash $SCRIPTS/menu.sh
Please try to run it again some other time with other settings.
There are different configs you can try in Let's Encrypt's user guide:
https://letsencrypt.readthedocs.org/en/latest/index.html
Please check the guide for further information on how to enable TLS.
This script is developed on GitHub, feel free to contribute:
https://github.com/nextcloud/vm"
if [ -n "$2" ]
then
msg_box "The script will now do some cleanup and revert the settings."
# Cleanup
snap remove certbot
rm -f "$SCRIPTS"/test-new-config.sh
fi
# Restart webserver services
restart_webserver
}
# Use like this: open_port 443 TCP
# or e.g. open_port 3478 UDP
open_port() {
install_if_not miniupnpc
print_text_in_color "$ICyan" "Trying to open port $1 automatically..."
if ! upnpc -a "$ADDRESS" "$1" "$1" "$2" &>/dev/null
then
msg_box "Failed to open port $1 $2 automatically. You have to do this manually."
FAIL=1
fi
}
cleanup_open_port() {
if [ -n "$FAIL" ]
then
apt-get purge miniupnpc -y
apt-get autoremove -y
fi
}
# Check if port is open # check_open_port 443 domain.example.com
check_open_port() {
print_text_in_color "$ICyan" "Checking if port ${1} is open..."
install_if_not curl
# WAN Address
if check_command curl -s -H 'Cache-Control: no-cache' -H 'Referer: https://www.networkappers.com/tools/open-port-checker' "https://networkappers.com/api/port.php?ip=${WANIP4}&port=${1}" | grep -q "open"
then
print_text_in_color "$IGreen" "Port ${1} is open on ${WANIP4}!"
elif check_command curl -s -H 'Cache-Control: no-cache' -H 'Referer: https://please-do-not-be-so-greedy-with-resources.now' 'https://ports.yougetsignal.com/check-port.php' --data "remoteAddress=${WANIP4}&portNumber=${1}" | grep -q "open"
then
print_text_in_color "$IGreen" "Port ${1} is open on ${WANIP4}!"
# Domain name
elif check_command curl -s -H 'Cache-Control: no-cache' -H 'Referer: https://www.networkappers.com/tools/open-port-checker' "https://www.networkappers.com/api/port.php?ip=${2}&port=${1}" | grep -q "open"
then
print_text_in_color "$IGreen" "Port ${1} is open on ${2}!"
elif check_command curl -s -H 'Cache-Control: no-cache' -H 'Referer: https://please-do-not-be-so-greedy-with-resources.now' 'https://ports.yougetsignal.com/check-port.php' --data "remoteAddress=${2}&portNumber=${1}" | grep -q "open"
then
print_text_in_color "$IGreen" "Port ${1} is open on ${2}!"
else
msg_box "It seems like the port ${1} is closed. This could happened when your
ISP has blocked the port, or the port isn't open.
If you are 100% sure the port ${1} is open, you can choose to
continue. There are no guarantees that it will work though,
since the service depends on port ${1} being open and
accessible from outside your network."
if ! yesno_box_no "Are you 100% sure the port ${1} is open?"
then
msg_box "Port $1 is not open on either ${WANIP4} or ${2}.
Please follow this guide to open ports in your router or firewall:\nhttps://www.techandme.se/open-port-80-443/"
any_key "Press any key to exit..."
exit 1
fi
fi
}