#!/bin/bash
# info: archive to directory
# options: USER ARCHIVE DIRECTORY
#
# The function extracts archive into directory on the file system

user=$1
src_file=$2
dst_dir=$3

# Checking arguments
if [ -z "$dst_dir" ]; then
    echo "Usage: USER ARCHIVE DIRECTORY"
    exit 1
fi

# Checking vesta user
if [ ! -e "$VESTA/data/users/$user" ]; then
    echo "Error: vesta user $user doesn't exist"
    exit 3
fi

# 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")" ]; 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

# Extracting gziped archive
if [ ! -z "$(echo $src_file |egrep -i  '.tgz|.tar.gz')" ]; then
    x='yes'
    sudo -u $user mkdir -p "$dst_dir" >/dev/null 2>&1
    sudo -u $user tar -xzf "$src_file" -C "$dst_dir" >/dev/null 2>&1
    rc=$?
fi

# Extracting bziped archive
if [ ! -z "$(echo $src_file |egrep -i  '.tbz|.tar.bz')" ]; then
    x='yes'
    sudo -u $user mkdir -p "$dst_dir" >/dev/null 2>&1
    sudo -u $user tar -xjf "$src_file" -C "$dst_dir" >/dev/null 2>&1
    rc=$?
fi

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

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

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

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

# Extracting tared archive
if [ ! -z "$(echo $src_file |grep -i '.tar')" ] && [ -z "$x" ]; then
    x='yes'
    sudo -u $user mkdir -p "$dst_dir" >/dev/null 2>&1
    sudo -u $user tar -xf "$src_file" -C "$dst_dir" >/dev/null 2>&1
    rc=$?
fi

# Extracting rared archive
if [ ! -z "$(echo $src_file |grep -i  '.rar')" ]; then
    sudo -u $user mkdir -p "$dst_dir" >/dev/null 2>&1
    sudo -u $user unrar "$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
