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|
#!/usr/bin/perl
use strict;
use CGI::Carp qw(fatalsToBrowser);
use DBI;
use Digest::MD5;
use File::MMagic;
use CGI;
use File::Slurp;
use Data::Dumper;
use Amazon::S3;
use Digest::SHA1;
use JSON
#set the temporary directory here
my $upload_dir = '/tmp/';
#maximum filesize goes here
my $maxFileSize = 2.2 * 1024 * 1024;
#aws credentials here
my $aws_access_key_id = "AKIAIR53VPBXKJMXZIBA";
my $aws_secret_access_key = "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";
#SQL CONNECTIONS
my $sql_username = "asdfus";
my $sql_dbname = "asdfus";
my $sql_passwd = "gTYgT&M6q";
my $db_tag = "shader";
my $time_now = time();
my $IN = new CGI;
my $resp = {};
sub get_postdata{
return $IN->param('POSTDATA');
}
#qq file is the default name for the file parameter when using qq upload. change if necessary
sub get_filedata{
my $file = $IN->upload('qqfile');
if ($file){
return read_file( $file, binmode => ':raw' ) ;
}else{
return
}
}
sub get_filetype{
my $filedata = shift;
my $mm = new File::MMagic;
my $mtype = $mm->checktype_contents($filedata);
if ($mtype =~ m@^image/(gif|png|jpeg)@gi){
return $1;
}else{
return undef;
}
}
sub make_photoblaster_directory{
return substr(Digest::SHA1->sha1_hex($time_now), 0, 2);
}
sub make_photoblaster_filename{
my $filename = $IN->param("filename") || sprintf("%s_%s", "im", $time_now);
$filename =~ s/[^-a-zA-Z0-9]/-/g;
$filename =~ s/-+/-/g;
$filename =~ s/\....$//;
$filename =~ s/^-//g;
return $filename;
}
sub make_photoblaster_url{
my $photoblaster_directory = shift;
my $filename = shift;
return sprintf("http://i.asdf.us/im/%s/%s", $photoblaster_directory, $filename);
}
sub add_to_photoblaster_db{
my $pb_dir = shift;
my $filename = shift;
our $dbh = DBI->connect("DBI:mysql:$sql_dbname;host=asdf.us", $sql_username, $sql_passwd);
unless($dbh){ return undef && print STDERR "Could not connect to database: $DBI::errstr"};
my $execute = $dbh->do(
"INSERT INTO im_cmd ".
"(date, name, dir, newfile, tag, remote_addr)".
"VALUES(?,?,?,?,?,?);",
undef,
$time_now,
$IN->param("username") || "",
$pb_dir,
$filename,
$db_tag,
$ENV{REMOTE_ADDR} || '127.0.0.1'
);
return $execute;
}
sub write_to_file{
my $filepath = shift;
my $filedata = shift;
write_file( $filepath, {binmode => ':raw'}, $filedata ) or return undef;
return 1;
}
sub test_gif_size{
my $filepath = shift;
my $check_size = -s "$filepath";
print STDERR qq|Main filesize: $check_size Max Filesize: $maxFileSize nn|;
return $check_size;
}
sub optimize_gif{
my $filepath = shift;
my $tmpname = $filepath.".tmp";
#because system gives the unix exit code
not system("gifsicle -O2 --colors=256 $filepath > $tmpname") or return undef;
not system("mv -f $tmpname $filepath") or return undef;
return 1;
}
sub upload_to_AmazonS3{
my $keyname = shift;
my $value = shift;
my $s3 = Amazon::S3->new(
{ aws_access_key_id => $aws_access_key_id,
aws_secret_access_key => $aws_secret_access_key
}
);
my $bucket = $s3->bucket("i.asdf.us");
$bucket->add_key(
$keyname, $value,
{ content_type => 'image/gif',
}
);
return $bucket;
}
sub delete_file{
my $filepath = shift;
unlink($filepath);
}
sub error{
my $message = shift;
my $resp = { success => "false", error => $message };
print JSON->new->encode($resp);
exit 1;
}
sub main{
print $IN->header();
my $filedata = get_postdata() || get_filedata() || read_file("/tmp/tt.gif", binmode=>":raw");
unless($filedata){ error("NO DATA RECIEVED") };
my $filetype = get_filetype($filedata);
unless($filetype){ error("BAD FILE TYPE")};
my $photoblaster_directory = make_photoblaster_directory();
my $photoblaster_filename = sprintf("%s.%s", make_photoblaster_filename(), $filetype);
my $upload_dir = "/tmp";
my $filepath = $upload_dir . $photoblaster_filename;
if ($filetype =~ /gif$/i){
unless(write_to_file($filepath, $filedata)){
error("UNABLE TO WRITE TO FILE");
}
unless (optimize_gif($filepath)){
error("UNABLE TO OPTIMIZE GIF");
}
my $filedata = read_file($filepath, binmode=>":raw");
}
my $filesize = length($filedata);
if ($filesize < 1) {
error( "EMPTY FILE");
} elsif ($filesize > $maxFileSize) {
error("FILE TOO LARGE");
}
unless(upload_to_AmazonS3(sprintf("im/%s/%s", $photoblaster_directory, $photoblaster_filename), $filedata)){
error("UNABLE TO UPLOAD TO AMAZONS3");
};
delete_file($filepath);
my $photoblaster_url = make_photoblaster_url($photoblaster_directory, $photoblaster_filename);
unless(add_to_photoblaster_db($photoblaster_directory, $photoblaster_filename)){
print STDERR "problem adding value to db";
}
my $resp = {
success => "true",
url => $photoblaster_url,
filesize => $filesize
};
print JSON->new->encode($resp);
}
main();
|
