#!/bin/bash
# info: archive to directory
# options: USER ARCHIVE DIRECTORY [SELECTED_DIR] [STRIP] [TEST]
#
# example: v-extract-fs-archive admin latest.tar.gz /home/admin
#
# This function extracts archive into directory on the file system

user=$1
src_file=$2
dst_dir=$3
selected_dir=$4
strip=$5
test=$6

# Includes
# shellcheck source=/etc/hestiacp/hestia.conf
source /etc/hestiacp/hestia.conf
# shellcheck source=/usr/local/hestia/func/main.sh
source $HESTIA/func/main.sh
# load config file
source_conf "$HESTIA/conf/hestia.conf"

#----------------------------------------------------------#
#                    Verifications                         #
#----------------------------------------------------------#

check_args '3' "$#" 'USER ARCHIVE DIRECTORY [SELECTED_DIR] [STRIP] [TEST]'
is_format_valid 'user'
is_object_valid 'user' 'USER' "$user"

# Perform verification if read-only mode is enabled
check_hestia_demo_mode

# Checking user homedir
homedir=$(grep "^$user:" /etc/passwd | cut -f 6 -d :)
if [ -z "$homedir" ]; then
	echo "Error: user home directory doesn't exist"
	exit 12
fi

# Checking source dir
if [ ! -e "$src_file" ]; then
	echo "Error: source file $src_file doesn't exist"
	exit 3
fi

# Checking source path
rpath=$(readlink -f "$src_file")
if [ -z "$(echo $rpath | egrep "^/tmp|^$homedir|^$BACKUP/$user\.|^$BACKUP/tmp\.")" ]; then
	echo "Error: invalid source path $src_file"
	exit 2
fi

# Checking destination path
rpath=$(readlink -f "$dst_dir")
if [ -z "$(echo $rpath | egrep "^/tmp|^$homedir")" ]; then
	echo "Error: invalid destination path $dst_dir"
	exit 2
fi

if [ -n "$strip" ]; then
	is_int_format_valid "$strip" 'strip-components'
	tar_strip_level="--strip-components $strip"
fi
# Extracting gziped archive
if [ -n "$(echo $src_file | egrep -i '.tgz|.tar.gz')" ]; then
	x='yes'
	if [ -z "$test" ] || [ "$test" = "no" ]; then
		user_exec mkdir -p "$dst_dir" > /dev/null 2>&1
		user_exec tar -xzf "$src_file" -C "$dst_dir" --no-wildcards "$selected_dir" $tar_strip_level > /dev/null 2>&1
		rc=$?
	else
		user_exec tar -tf "$src_file" --no-wildcards "$selected_dir" > /dev/null 2>&1
		rc=$?
	fi
fi

# Extracting bziped archive
if [ -n "$(echo $src_file | egrep -i '.tbz|.tar.bz')" ]; then
	x='yes'
	if [ -z "$test" ] || [ "$test" = "no" ]; then
		user_exec mkdir -p "$dst_dir" > /dev/null 2>&1
		user_exec tar -xjf "$src_file" -C "$dst_dir" --no-wildcards "$selected_dir" $tar_strip_level > /dev/null 2>&1
		rc=$?
	else
		user_exec tar -tf "$src_file" --no-wildcards "$selected_dir" > /dev/null 2>&1
		rc=$?
	fi
fi

# Extracting ZSTD archive
if [ -n "$(echo $src_file | egrep -i '.tar.zst')" ]; then
	x='yes'
	if [ -z "$test" ] || [ "$test" = "no" ]; then
		user_exec mkdir -p "$dst_dir" > /dev/null 2>&1
		user_exec tar -I pzstd -xf "$src_file" -C "$dst_dir" --no-wildcards "$selected_dir" $tar_strip_level > /dev/null 2>&1
		rc=$?
	else
		user_exec tar -I pzstd -tf "$src_file" --no-wildcards "$selected_dir" > /dev/null 2>&1
		rc=$?
	fi
fi

# Extracting gziped file
if [ -n "$(echo $src_file | grep -i '.zst')" ] && [ -z "$x" ]; then
	user_exec mkdir -p "$dst_dir" > /dev/null 2>&1
	user_exec mv "$src_file" "$dst_dir" > /dev/null 2>&1
	user_exec pzstd -d "$dst_dir/$(basename $src_file)" > /dev/null 2>&1
	rc=$?
fi

# Extracting gziped file
if [ -n "$(echo $src_file | grep -i '.gz')" ] && [ -z "$x" ]; then
	user_exec mkdir -p "$dst_dir" > /dev/null 2>&1
	user_exec mv "$src_file" "$dst_dir" > /dev/null 2>&1
	user_exec gzip -d "$dst_dir/$(basename $src_file)" > /dev/null 2>&1
	rc=$?
fi

# Extracting bziped file
if [ -n "$(echo $src_file | grep -i '.bz')" ] && [ -z "$x" ]; then
	user_exec mkdir -p "$dst_dir" > /dev/null 2>&1
	user_exec mv "$src_file" "$dst_dir" # >/dev/null 2>&1
	user_exec bzip2 -d "$dst_dir/$(basename $src_file)" > /dev/null 2>&1
	rc=$?
fi

# Extracting ziped archive
if [ -n "$(echo $src_file | grep -i '.zip')" ]; then
	user_exec mkdir -p "$dst_dir" > /dev/null 2>&1
	user_exec unzip "$src_file" -d "$dst_dir" > /dev/null 2>&1
	rc=$?
fi

# Extracting ziped archive
if [ -n "$(echo $src_file | grep -i '.7z')" ]; then
	user_exec mkdir -p "$dst_dir" > /dev/null 2>&1
	user_exec mv "$src_file" "$dst_dir" > /dev/null 2>&1
	user_exec p7zip -d "$src_file" > /dev/null 2>&1
	rc=$?
fi

# Extracting tared archive
if [ -n "$(echo $src_file | grep -i '.tar')" ] && [ -z "$x" ]; then
	x='yes'
	if [ -z "$test" ] || [ "$test" = "no" ]; then
		user_exec mkdir -p "$dst_dir" > /dev/null 2>&1
		user_exec tar -xf "$src_file" -C "$dst_dir" --no-wildcards "$selected_dir" $tar_strip_level > /dev/null 2>&1
		rc=$?
	else
		user_exec tar -tf "$src_file" --no-wildcards "$selected_dir" > /dev/null 2>&1
		rc=$?
	fi
fi

# Extracting rared archive
if [ -n "$(echo $src_file | grep -i '.rar')" ]; then
	user_exec mkdir -p "$dst_dir" > /dev/null 2>&1
	user_exec unrar "$src_file" "$dst_dir" > /dev/null 2>&1
	rc=$?
fi

# Checking result
if [ $rc -ne 0 ]; then
	echo "Error: $src_file was not extracted"
	exit 3
fi

# Exiting
exit