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|
#!/usr/bin/perl
#########################################################
# * Auteur : ramislebobl #
# * Date : 11/08/2014 #
# * Version : Windows (ActivePerl) #
# * Packages : Net::FTP, Try::Tiny #
# * Objectif : Backup files over FTP #
# Use 2 DB tables to track the modification dates. #
# an HTTP wrapper is used to manage the DB #
#########################################################
use strict;
use Net::FTP;
use Try::Tiny;
use LWP::UserAgent;
use Getopt::Std;
use vars qw/
$folderBackup
%FTP $ftp @dir $nbMaxTry $timeBeforeTryAgain
$HTTP $ua $http $resHTTP
@deletedFiles
$debug @error $DEL_FILES
$nbFileUploaded $sizeUploaded
$startTime $endTime $logFile $logFileName
/;
$folderBackup = 'D:\Mat\backupTest';
$HTTP = 'http://URL/dbFtpBackup.cgi';
%FTP = (
host => 'xxxxxxxx',
path => '/Backup',
port => 21,
passive => 1,
login => 'xxxxxxx',
pass => 'xxxxxxxx'
);
$nbMaxTry = 10;
$timeBeforeTryAgain = 1;
$debug = 0;
$DEL_FILES = 0;
$SIG{INT} = \&quit;
&get_options();
$ua = LWP::UserAgent->new;
$ua->agent("FtpBackup/1.0");
$ua->ssl_opts(verify_hostname=>0);
$startTime = time();
$nbFileUploaded = 0;
$sizeUploaded = 0;
# Open log file
my ($sec,$min,$hour,$numday,$month,$year,$weekday,$yearday,$isdst) = localtime($startTime);
$year += 1900;
$logFileName = "$year-$month-$numday.$hour.$min.backupFTP.txt";
open my $logFile, '>>', $logFileName || die "Can't create log file $logFileName\n";
# Connect to the FTP server
my $res = &ftpConnect();
if ( $res =~/^Cannot.*$/){
&quit($res);
}
# Do the job
&backupFolder($folderBackup, $FTP{path}, 0);
&quit("SUCCESS");
exit 0;
sub quit(){
my $msg = shift;
# Sum up the number of files that have been uploaded and the total size
my $endTime = time();
my $duration = $endTime - $startTime;
&log("\n\n==> $msg\n");
&log("SUM UP:\n");
&log("\t- $nbFileUploaded files have been uploaded.\n");
&log("\t- total size: ".&getReadableSize($sizeUploaded)."\n");
&log("\t- duration: ".&getReadableDuration($duration)."\n");
# List files on the server that doesn't exist locally anymore
# (maybe delete them or just list them so possible to do it manually...)
my $nbDeletedFiles = $#deletedFiles + 1;
if ($nbDeletedFiles > 0){
&log("\nThere are $nbDeletedFiles files that were deleted locally but are still on the server:\n");
&log("(We are deleting them now as you choose to. Please wait a moment...)\n") if ($DEL_FILES);
foreach my $deletedFile (@deletedFiles){
&log("\t- $deletedFile->{servDir}/$deletedFile->{name}");
if ($deletedFile->{isDir}){
&log(" (directory)\n");
} else {
&log(" (size: $deletedFile->{size} B)\n");
}
# Force deletion of the files on the server that have been deleted locally
# (option -f DEL_FILES of the script)
if ($DEL_FILES){
my $deletionOK = 1;
try{
$ftp->cwd($deletedFile->{servDir});
if ($deletedFile->{isDir}){
$ftp->rmdir($deletedFile->{name}, 1);
} else {
$ftp->delete($deletedFile->{name});
}
} catch {
$deletionOK = 0;
&log("Issue deleting file on server...\n");
};
# delete from the DB
if ($deletionOK){
&dbDelFile($deletedFile->{name}, $deletedFile->{path}, $deletedFile->{isDir});
}
}
}
}
&log("\nmessage");
my $pwdRemote=$ftp->pwd();
&log("Directory on the server: $pwdRemote\n");
# 3.: Check which files needs to be uploaded
&log("Uploading files:\n");
foreach my $file (@files){
my $needBackup = 1;
my $oldVersionOnServ = 0;
foreach my $servFile (@servFiles){
if ($servFile->{name} eq $file->{name}) {
if ($servFile->{mtime} >= $file->{mtime}){
$needBackup = 0;
} else {
$oldVersionOnServ = 1;
}
last;
}
}
if ($needBackup){
&log("\t- $folderName\\$file->{name}, size: ".$file->{size}.", mtime: ".$file->{mtime}."\n");
my $errorUpload = 0;
try {
$ftp->put("$folderName\\$file->{name}");
} catch {
&log("ERROR during upload...\n");
$errorUpload = 1;
push(@error, { name => $file->{name},
path => $folderName,
size => $file->{size},
isDir => 0
}
);
};
if (!$errorUpload){
++$nbFileUploaded;
$sizeUploaded += $file->{size};
if (! $oldVersionOnServ){
&dbPutFile($file->{name},$file->{size},$file->{mtime},$folderName,0);
} else {
&dbUpdateFile($file->{name},$file->{size},$file->{mtime},$folderName,0);
}
}
}
}
}
# 4.: Check on the server for files that have been deleted locally
foreach my $servFile (@servFiles){
my $fileExistLocally = 0;
# it's a folder
if ($servFile->{isDir}){
foreach my $folder (@folders){
if ($servFile->{name} eq $folder->{name}) {
$fileExistLocally = 1;
last;
}
}
# it's a file
} else {
foreach my $file (@files){
if ($servFile->{name} eq $file->{name}) {
$fileExistLocally = 1;
last;
}
}
}
if (! $fileExistLocally){
push(@deletedFiles, { name => $servFile->{name},
path => $folderName,
servDir => $servDir,
size => $servFile->{size},
isDir => $servFile->{isDir}
}
);
}
}
# 5.: backup folder content recursively
foreach my $folder (@folders){
if ($onlyCheckDeletedFiles){
&backupFolder($folderName.'\\'.$folder->{name}, $servDir.'/'.$folder->{name}, 1);
} else {
my $needBackup = 1;
my $oldVersionOnServ = 0;
foreach my $servFile (@servFiles){
# if already on serv
if ($servFile->{isDir} && ($servFile->{name} eq $folder->{name}) ) {
# if serv mtime more recent nothing to do
if ($servFile->{mtime} >= $folder->{mtime}){
$needBackup = 0;
}
$oldVersionOnServ = 1;
# print "dir found, oldVersionOnServ= $oldVersionOnServ\n" if ($debug);
last;
}
}
if ($needBackup){
&log("\t+ Folder $folder->{name}\n");
my $errorCreateFolder = 0;
if (!$oldVersionOnServ){
# print "Create folder\n" if ($debug);
try {
$ftp->mkdir($folder->{name});
} catch {
&log("Error creating folder on the server...\n");
$errorCreateFolder = 1;
};
if (! $errorCreateFolder){
&dbPutFile($folder->{name}, 0, $folder->{mtime}, $folderName, 1);
}
} else {
# print "Update folder\n" if ($debug);
&dbUpdateFile($folder->{name}, 0, $folder->{mtime}, $folderName, 1);
}
if (!$errorCreateFolder){
&backupFolder($folderName.'\\'.$folder->{name}, $servDir.'/'.$folder->{name}, 0);
$ftp->cwd($servDir) || &quit("ERROR Cannot access server directory '$servDir', $ftp->message");
if ($debug){
my $pwdRemote=$ftp->pwd();
&log("Directory on the server: $pwdRemote\n");
}
}
# No need to backup anything,
# just check if there are files on server that have been deleted locally
} else {
&backupFolder($folderName.'\\'.$folder->{name}, $servDir.'/'.$folder->{name}, 1);
}
}# onlyCheckDeletedFiles
} # foreach
} # end function
sub log(){
my $txt = shift;
print $txt;
print $logFile $txt;
}
sub ftpConnect(){
my $nbTry = 0;
my $connected = 0;
$ftp = undef;
while ( !$connected && ($nbTry < $nbMaxTry) ){
try{
$ftp=Net::FTP->new($FTP{host}, (Passive =>$FTP{passive},Timeout => 120, Debug => 0));
}
catch {
&log("[Error dans le module FTP] TimeOut sur la connection :s\n");
};
++$nbTry;
if (defined($ftp)){
$connected=1;
}
else{
sleep($timeBeforeTryAgain);
}
}
if ($nbTry < $nbMaxTry){
$nbTry = 0;
while ( !($ftp->login($FTP{login},$FTP{pass})) && ($nbTrycwd($FTP{path}) || return "Cannot go to directory '$FTP{path}', $ftp->message\n";
return 1;
}
else{
return "Cannot go to path $FTP{path}, ".$ftp->message."\n";
}
=cut
}
sub ftpQuit(){
try{
$ftp->quit if (defined($ftp));
}
catch{
&log("[Error dans le module FTP] le Quit a eu un pb... :s\n");
};
}
sub dbListDir(){
my ($folder, $servFilesRef) = @_;
$folder =~ s/\\/\//g;
&http_req("action=ls&folder=$folder");
my @lines = split("\n", $resHTTP->content);
my $nbFiles = 0;
for (my $k=0; $k [$k] = { isDir => $1,
folder => $2,
mtime => $3,
size => $4,
name => $5 };
++$nbFiles;
}
}
return $nbFiles;
}
sub dbUpdateFile(){
my ($name, $size, $mtime, $path, $isDir) = @_;
$path =~ s/\\/\//g;
&http_req("action=update&folder=$path&file=$name&size=$size&mtime=$mtime&isDir=$isDir");
}
sub dbPutFile(){
my ($name, $size, $mtime, $path, $isDir) = @_;
$path =~ s/\\/\//g;
&http_req("action=put&folder=$path&file=$name&size=$size&mtime=$mtime&isDir=$isDir");
}
sub dbDelFile(){
my ($name, $path, $isDir) = @_;
$path =~ s/\\/\//g;
&http_req("action=del&folder=$path&file=$name&isDir=$isDir");
}
sub http_req(){
my $data = shift;
$http = HTTP::Request->new(POST => $HTTP);
$http->content_type('application/x-www-form-urlencoded');
print "Data: $data\n" if ($debug);
$http->content($data);
my $nbTry = 0;
my $respOK = 0;
while ( !$respOK && ($nbTry < $nbMaxTry) ){
$resHTTP = $ua->request($http);
if (!$resHTTP->is_success) {
print "ERROR sending POST HTTP req to $HTTP (data: $data)\n";
} else {
if ($resHTTP->content !~ /^ERROR/) {
$respOK = 1;
}
}
}
if (!$respOK){
&quit("ERROR connecting the webserver $HTTP (data: $data)");
}
print $resHTTP->content."\n" if ($debug);
}
sub getReadableSize{
my $byte = shift;
if ($byte > 1024){
my $kb = int($byte/1024);
$byte -= $kb*1024;
if ($kb > 1024){
my $mb = int($kb/1024);
$kb -= $mb*1024;
if ($mb > 1024){
my $gb = int(100*$mb/1024);
$gb /= 100;
return "$gb Gb";
}
$mb+=int(100*$kb/1024)/100;
return "$mb Mb";
}
return "$kb Kb";
}
return "$byte b";
}
sub getReadableDuration {
my $sec=shift;
my $min;
my $hour;
if ($sec > 60){
$min=int($sec/60);
$sec-=$min*60;
if ($min>60){
$hour=int($min/60);
$min-=$hour*60;
return sprintf("%ih %imn %is",$hour,$min,$sec);
}
return sprintf("%imn %is",$min,$sec);
}
return sprintf("%is",$sec);
}
sub syntax(){
print |
script de backup recursif sur FTP avec upload uniquement des fichiers nouveaux ou modifiés
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