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hestiacp/bin/v-add-backup-host

345 lines
9.5 KiB

#!/bin/bash
# info: add backup host
# options: TYPE HOST USERNAME PASSWORD [PATH] [PORT]
#
# example: v-add-backup-host sftp backup.acme.com admin p4$$w@Rd
# v-add-backup-host b2 bucketName keyID applicationKey
#
# Add a new remote backup location. Currently SFTP, FTP and Backblaze are supported
#----------------------------------------------------------#
# Variables & Functions #
#----------------------------------------------------------#
# Argument definition
type=$1
host=$2
user=$3
raw_password=$4
HIDE=4
password=$(perl -e 'print quotemeta shift(@ARGV)' "${raw_password}")
path=${5-/backup}
port=$6
# CPU Architecture
arch=$(arch)
# Includes
# shellcheck source=/usr/local/hestia/func/main.sh
source $HESTIA/func/main.sh
# load config file
source_conf "$HESTIA/conf/hestia.conf"
# Fetch current verison B2 CLI tool
source_conf "$HESTIA/install/upgrade/upgrade.conf"
# Paths
b2cli="/usr/local/bin/b2"
b2lnk="https://github.com/Backblaze/B2_Command_Line_Tool/releases/download/v$b2_v/b2-linux"
# Defining ftp command function
ftpc() {
ftp -p -n $host $port << EOF
quote USER $user
quote PASS $password
binary
$1
$2
$3
quit
EOF
}
# Defining sftp command function
sftpc() {
if [ "$privatekey" != "yes" ]; then
expect -f "-" "$@" << EOF
set count 0
spawn /usr/bin/sftp -o StrictHostKeyChecking=no -o Port=$port $user@$host
expect {
-nocase "password:" {
send "$password\r"
exp_continue
}
-re "Password for (.*)@(.*)" {
send "$password\r"
exp_continue
}
-re "Couldn't|(.*)disconnect|(.*)stalled|(.*)not found" {
set count \$argc
set output "Disconnected."
set rc $E_FTP
exp_continue
}
-re ".*denied.*(publickey|password)." {
set output "Permission denied, wrong publickey or password."
set rc $E_CONNECT
}
"sftp>" {
if {\$count < \$argc} {
set arg [lindex \$argv \$count]
send "\$arg\r"
incr count
} else {
send "exit\r"
set output "Disconnected."
if {[info exists rc] != 1} {
set rc $OK
}
}
exp_continue
}
timeout {
set output "Connection timeout."
set rc $E_CONNECT
}
}
if {[info exists output] == 1} {
puts "\$output"
}
exit \$rc
EOF
else
expect -f "-" "$@" << EOF
set count 0
spawn /usr/bin/sftp -o StrictHostKeyChecking=no -o Port=$port -i $raw_password $user@$host
expect {
-re "Couldn't|(.*)disconnect|(.*)stalled|(.*)not found" {
set count \$argc
set output "Disconnected."
set rc $E_FTP
exp_continue
}
-re ".*denied.*(publickey|password)." {
set output "Permission denied, wrong publickey or password."
set rc $E_CONNECT
}
"sftp>" {
if {\$count < \$argc} {
set arg [lindex \$argv \$count]
send "\$arg\r"
incr count
} else {
send "exit\r"
set output "Disconnected."
if {[info exists rc] != 1} {
set rc $OK
}
}
exp_continue
}
timeout {
set output "Connection timeout."
set rc $E_CONNECT
}
}
if {[info exists output] == 1} {
puts "\$output"
}
exit \$rc
EOF
fi
}
#----------------------------------------------------------#
# Verifications #
#----------------------------------------------------------#
if [ "$type" != 'local' ]; then
check_args '2' "$#" "TYPE HOST USERNAME PASSWORD [PATH] [PORT]"
is_format_valid 'host' 'path' 'port'
is_type_valid 'sftp,ftp,b2,rclone' "$type"
is_username_format_valid "$user" "username"
privatekey="no"
if [ -f "$raw_password" ]; then
if [[ $(cat "$raw_password" | grep "OPENSSH PRIVATE") ]]; then
privatekey="yes"
password="$raw_password"
else
is_password_valid
fi
else
is_password_valid
fi
format_no_quotes "$password" "password"
if [ "$type" = 'sftp' ]; then
which expect > /dev/null 2>&1
check_result $? "expect command not found" "$E_NOTEXIST"
fi
if [ "$type" != 'b2' ] && [ "$type" != 'rclone' ]; then
if ! (is_ip_format_valid "$host" > /dev/null); then
host "$host" > /dev/null 2>&1
check_result $? "host connection failed" "$E_CONNECT"
fi
fi
fi
# Perform verification if read-only mode is enabled
check_hestia_demo_mode
#----------------------------------------------------------#
# Action #
#----------------------------------------------------------#
# Checking network connection
if [ "$type" = 'ftp' ]; then
if [ -z $port ]; then
port=21
fi
fconn=$(ftpc 2>&1)
ferror=$(echo $fconn \
| grep -i -e failed -e error -e "can't" -e "not conn" -e "incorrect")
if [ -n "$ferror" ]; then
echo "Error: can't login to ftp $user@$host"
log_event "$E_CONNECT" "$ARGUMENTS"
exit "$E_CONNECT"
fi
# Checking write permissions
if [ -z $path ]; then
ftmpdir="vst.bK76A9SUkt"
else
ftpc "mkdir $path" > /dev/null 2>&1
ftmpdir="$path/vst.bK76A9SUkt"
fi
ftp_result=$(ftpc "mkdir $ftmpdir" "rm $ftmpdir" | grep -v Trying)
if [ -n "$ftp_result" ]; then
echo "$ftp_result"
rm -rf $tmpdir
echo "Error: can't create $ftmpdir folder on the ftp"
log_event "$E_FTP" "$ARGUMENTS"
exit "$E_FTP"
fi
fi
if [ "$type" = 'sftp' ]; then
if [ -z $port ]; then
port=22
fi
if [ -z $path ]; then
sftmpdir="vst.bK76A9SUkt"
sftpc "mkdir $sftmpdir" "rmdir $sftmpdir" > /dev/null 2>&1
else
if sftpc "mkdir $path" > /dev/null 2>&1; then
sftmpdir="$path/vst.bK76A9SUkt"
sftpc "mkdir $sftmpdir" "rmdir $sftmpdir" > /dev/null 2>&1
else
sftmpdir="$path/vst.bK76A9SUkt"
sftpc "mkdir $sftmpdir" "rmdir $sftmpdir" > /dev/null 2>&1
fi
fi
rc=$?
if [[ "$rc" != 0 ]]; then
case $rc in
$E_CONNECT) echo "Error: can't login to sftp $user@$host" ;;
$E_FTP) echo "Error: can't create temp folder on the sftp host" ;;
esac
log_event "$rc" "$ARGUMENTS"
exit "$rc"
fi
fi
if [ "$type" = 'b2' ]; then
# Download b2 binary
if [ ! -f "$b2cli" ]; then
if [ "$arch" = 'aarch64' ] || [ "$arch" = 'arm64' ]; then
echo "Error: B2 binary for arm64 must be downloaded manually."
exit 3
else
wget -O $b2cli $b2lnk > /dev/null 2>&1
chmod +x $b2cli > /dev/null 2>&1
fi
if [ ! -f "$b2cli" ]; then
echo "Error: Binary download failed, b2 doesn't work as expected."
exit 3
fi
fi
# Validate b2 binary
b2version="$(b2 version)"
if [[ ! "$b2version" =~ "b2 command line tool" ]]; then
echo "Error: Binary download failed, b2 doesn't work as expected."
exit 3
fi
b2 clear-account > /dev/null 2>&1
b2 authorize-account "$user" "$raw_password" > /dev/null 2>&1
b2 ls --long "$host" "$user" > /dev/null 2>&1
if [ $? -ne 0 ]; then
check_result "$E_CONNECT" "b2 failed to verify connection"
fi
fi
if [ "$type" = 'rclone' ]; then
curl -s https://rclone.org/install.sh | bash /dev/null > /dev/null 2>&1
# Verify account exists
if [ ! -z "$(cat /root/.config/rclone/rclone.conf | grep "\[$host\]")" ]; then
echo "test" > /tmp/hestia-backup.txt
# Try to upload a single file
if [ -z "$path" ]; then
rclone copy /tmp/hestia-backup.txt $host:/hestia-backup.txt
rclone delete $host:/hestia-backup.txt
else
rclone copy /tmp/hestia-backup.txt $host:$path/hestia-backup.txt
rclone delete $host:$path/hestia-backup.txt
fi
else
check_result "$E_CONNECT" "Rclone config does not exist"
fi
fi
# Adding backup host
if [ $type == 'ftp' ] || [ $type = 'sftp' ]; then
new_timestamp
str="HOST='$host'\nUSERNAME='$user'\nPASSWORD='$password'\nPRIVATEKEY='$privatekey'"
str="$str\nBPATH='$path'\nPORT='$port'\nTIME='$time'\nDATE='$date'"
echo -e "$str" > $HESTIA/conf/$type.backup.conf
chmod 660 $HESTIA/conf/$type.backup.conf
elif [ $type == 'b2' ]; then
new_timestamp
str="BUCKET='$host'\nB2_KEYID='$user'\nB2_KEY='$raw_password'"
str="$str\nTIME='$time'\nDATE='$date'"
echo -e "$str" > $HESTIA/conf/$type.backup.conf
chmod 660 $HESTIA/conf/$type.backup.conf
elif [ $type == "rclone" ]; then
new_timestamp
str="HOST='$host'\nBPATH='$path'"
str="$str\nTIME='$time'\nDATE='$date'"
echo -e "$str" > $HESTIA/conf/$type.backup.conf
fi
#----------------------------------------------------------#
# Hestia #
#----------------------------------------------------------#
# Update hestia.conf
if [ -z "$(grep BACKUP_SYSTEM $HESTIA/conf/hestia.conf)" ]; then
echo "BACKUP_SYSTEM='$type'" >> $HESTIA/conf/hestia.conf
else
bckp=$(echo "$BACKUP_SYSTEM,$type" \
| sed "s/,/\n/g" \
| sort -r -u \
| sed "/^$/d" \
| sed ':a;N;$!ba;s/\n/,/g')
sed -i "s/BACKUP_SYSTEM=.*/BACKUP_SYSTEM='$bckp'/g" $HESTIA/conf/hestia.conf
fi
# Logging
log_event "$OK" "$ARGUMENTS"
exit