#!/bin/bash
# info: copy file
# options: USER SRC_FILE DST_FILE
#
# example: v-copy-fs-file admin readme.txt readme_new.txt
#
# This function copies file on the file system

#----------------------------------------------------------#
#                Variables & Functions                     #
#----------------------------------------------------------#

user=$1
src_file=$2
dst_file=$3

# 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

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

check_args '3' "$#" 'USER SRC_FILE DST_FILE'
is_format_valid 'user'
is_object_valid 'user' 'USER' "$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 file
if [ ! -f "$src_file" ]; then
	echo "Error: $src_file doesn't exist"
	exit 3
fi

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

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

# Copying file
user_exec cp "$src_file" "$dst_file" > /dev/null 2>&1
if [ $? -ne 0 ]; then
	echo "Error: file $src_file was not copied"
	exit 3
fi

# Exiting
exit
