Perl Script for SFTP

#!/usr/bin/perl
use warnings;
use strict;
use Switch;
use Net::SFTP::Foreign;
use IO::Pty;
use Fcntl ':mode';
use Cwd;
use File::Copy "cp";


###################################################################################
#
# Program Name: kfisftppw.plx
#
# Generic sftp program using username and password authentication
#
####################################################################################

print "\nStarting execution of program kfisftppw.plx...\n\n";

# Ten parameters should be passed to this script. The first four are passed by the
# Oracle Applications concurrent manager, the following six are passed as
# parameters to the concurrent request.
my $parmcnt = $#ARGV + 1;
if ($parmcnt != 17) {die "\nUSAGE ERROR: Expecting 7 parameters but received $parmcnt\n" .
                       "    Parameter1: sftp program uses user identifier\n" .
                       "    Parameter2: sftp remote user identifier\n" .					   
                       "    Parameter3: sftp remote host ip address\n" .
                       "    Parameter4: sftp remote host port number\n" .
                       "    Parameter5: sftp mode, either put or get\n" .
                       "    Parameter6: local directory\n" .
                       "    Parameter7: remote directory\n" .
                       "    Parameter8: local archive remote directory\n" .					   
					   "    Parameter9: file name\n" .					   					   
					   "    Parameter10: sftp remote user password\n" .					   					   					   
                       "    Parameter11: Re Process Without SFTP Yes or No\n\n"
                  };

my $appsident  = $ARGV[0];
my $fnduserid  = $ARGV[1];
my $fndusrname = $ARGV[2];
my $reqid      = $ARGV[3];
my $proguses   = $ARGV[4];
my $destuser   = $ARGV[5];
my $hostip     = $ARGV[6];
my $portno     = $ARGV[7];
my $sftpmode   = $ARGV[8];
my $localdir   = $ARGV[9];
my $remotedir  = $ARGV[10];
my $locArchdir = $ARGV[11];
my $filename   = $ARGV[12];
my $destpasswd   = $ARGV[13];
my $toUserEmail   = $ARGV[14];
my $toITEmail   = $ARGV[15];
my $reprocessflag   = $ARGV[16];
print "Remote User Identifier =  $proguses\n";
print "Remote User Identifier =  $destuser\n";
print "Remote Server Address  =  $hostip\n";
print "Remote Port Number     =  $portno\n";
print "Processing Mode        =  $sftpmode\n";
print "Local Directory        =  $localdir\n";
print "Remote Directory       =  $remotedir\n";
print "Local Archive Dir      =  $locArchdir\n";
print "File Name              =  $filename\n";
print "User Email Address     =  $toUserEmail\n";
print "IT Email Address       =  $toITEmail\n";
print "SFTP Reprocess Flag    =  $reprocessflag\n";

#print "Yogesh Test Apps password        appsident      =  $appsident\n";
#print "Yogesh Test Apps password        fnduserid      =  $fnduserid\n";
#print "Yogesh Test Apps password        fndusrname      =  $fndusrname\n";

# Check for files containing userid and password needed to
# connect at the sftp destination
#my $userfile = $ENV{"HOME"} . "/.ssh/." . $destuser . "user";
#my $pwfile = $ENV{"HOME"} . "/.ssh/." . $destuser . "pw";
# For testing only, we do not want this information in the concurrent request log file
# print "User Name File         =  $userfile\n";
# print "User Password File     =  $pwfile\n";
my $user = $destuser ;
my $passwd = $destpasswd;
my $successStatus = "Y";

#print "successStatus Flag 1   =  $successStatus\n";

#if ( -e $userfile  ) { chomp($user = `cat $userfile`) }
#else { die "\nERROR - Remote Username File $userfile does not exist\n" };
#if ( -e $pwfile  ) { chomp($passwd = `cat $pwfile`) }
#else { die "\nERROR - Remote Username File $pwfile does not exist\n" };

print "Remote sftp User       =  $user\n";

# For testing only, we do not want to print the password in the concurrent request log file
# print "Password               =  $passwd\n";

# Make sure the local directory is valid
if (! -d $localdir) {die "\nERROR - Local Directory $localdir does not exist\n"};
chdir $localdir or die "\nERROR - Could not change to Local Directory $localdir\n";

if ( $reprocessflag eq "NO" ) { 

# Initiate the sftp session
my $sftp = Net::SFTP::Foreign->new(host=>"$hostip",port=>$portno, user=>"$user",password=>"$passwd",timeout=>60, asks_for_username_at_login=>0,stderr_discard => 1);
$sftp->die_on_error("\nUnable to establish SFTP connection: " . $sftp->error);
 
# Change to the remote directory if one is passed as a parameter
if ( $remotedir ne "" ) {
  $sftp->setcwd("$remotedir") or die "\nUnable to change to remote dir $remotedir: " . $sftp->error; };
	
# Execute the sftp get or put command
$sftpmode = 'm' . $sftpmode;
#$sftp->$sftpmode($filename) or warn "\nsftp $sftpmode failed or no files to process: " . $sftp->error;
if($sftp->$sftpmode($filename)){
$successStatus = "Y";
} 
else{ 
$successStatus = "N"; 
warn "\nsftp $sftpmode failed or no files to process: " . $sftp->error; 
}

#print "successStatus Flag 2   =  $successStatus\n";

undef $sftp;
};

# Copy the files to Archive Directory
if ( $locArchdir ne "" and $successStatus eq "Y" ) {
	if (! -d $locArchdir){warn "\nERROR - Local Directory $locArchdir does not exist\n"};
	# Make sure the Archive directory is valid
	chdir $locArchdir or warn "\nERROR - Could not change to Local Archive Directory $locArchdir\n";
	
	my $dir = $localdir."/".$filename;
	print "\nLocal Directory with Filename $dir \n";

	my $renfilename;
	my $fedfilename = $localdir."/".'fedex_ap.csv';
	
	my @files = glob( $dir );

	foreach (@files ){
	#print $_ . "\n";
	
	# Change the file permission of copied files into local directory
	chmod 0666, $_ or warn "\nERROR - Could not change file permissions to 666 of copied files at directory $locArchdir\n";

	cp($_,$locArchdir) or warn "File Copy failed to Archive Directory: $!";;
	
	# Change the file name to remove time stamp so user can enter right file name while submitting lockbox job
	if ( $proguses eq "AR_LOCKBOX_IN" ) { 
	
	$renfilename = $_;
	
	substr $renfilename,-8,4,"";
		
	system("mv $_ $renfilename");
	
#	print "\nYogesh Testing $renfilename and $_";
	};
	

	
	# Change the file name to remove time stamp so user can enter right file name while submitting lockbox job
	if ( $proguses eq "AP_FEDEX_EDI_IN" ) { 
	
#	print "\nYogesh Testing I am Here 2 $fedfilename and $_ \n";	
		
	system("mv $_ $fedfilename");
		
	system("CONCSUB $appsident SQLAP 'Payables Manager - gmail Inc' $fndusrname WAIT=15 CONCURRENT XKFI KFI_FEDEX_LOAD_CSV PROGRAM_NAME=''");
		
#	print "\nYogesh Testing $fedfilename and $_";
	};
	
	}

	};


#my $cwd = getcwd();
#print " Current working directory $cwd "; 

# Code to send email upon success or even failure

my $subFileName = "";
my $subject ="";
my $message="";
my $to = $toUserEmail;


my $from = 'OracleEBS@gmail.com';

if ( $proguses eq "AP_FEDEX_EDI_IN" ) {

 $subFileName = "FedEx Invoices";

}elsif( $proguses eq "AR_LOCKBOX_IN" ){

 $subFileName = "Lockbox";

}

if($successStatus eq "Y" ){
 $subject = "$subFileName New File - Extraction Notification";
 $message = "Dear Team,

$subFileName file have been copied from FTP location to local directory for further processing.

Sincerely,
Oracle Support Team";

# To Print File Name in the log file
if ( $remotedir eq "" ) { $remotedir = "/" };
print "\nFile $filename was";
switch ($sftpmode) {
  case "mput" { print " sent to " }
  case "mget" { print " retrieved from " }
};
print "directory $remotedir on server $hostip.\n";
print "File $filename can be found in directory $localdir on the local server.\n\n";

}
elsif($successStatus eq "N"){
 $subject = "Error Notification - $subFileName New File";
 $message = "Dear Team,

Some exception has occured while moving $subFileName file to local directory. Please contact Oracle Support Team if you feel this is an error.

Sincerely,
Oracle Support Team";
}else{
 $to = $toITEmail;
 $subject = "Error Notification - $subFileName New File";
 $message = "Dear IT Team,

Some exception has occured while moving $subFileName file to local directory. This could be connectivity issue. Please check the log file for further investigation.

Sincerely,
Oracle Support Team";

} 

open(MAIL, "|/usr/sbin/sendmail -t");
 
# Email Header
print MAIL "To: $to\n";
print MAIL "From: $from\n";
print MAIL "Subject: $subject\n\n";
# Email Body
print MAIL $message;

close(MAIL);
print "\nNotification Email Sent Successfully\n";


#my $to = 'xyx@gmail.com,abc@gmail.com';
#my $from = 'OracleEBS@gmail.com';
#my $subject = 'Test Email';
#my $message = 'This is test email sent by Perl Script';
 
#open(MAIL, "|/usr/sbin/sendmail -t");
 
# Email Header
#print MAIL "To: $to\n";
#print MAIL "From: $from\n";
#print MAIL "Subject: $subject\n\n";
# Email Body
#print MAIL $message;

#close(MAIL);
#print "Email Sent Successfully\n";