Files
racalmas/website/agenda/planung/image-upload.cgi
2023-02-26 22:28:12 +01:00

387 lines
11 KiB
Perl
Executable File

#!/usr/bin/perl
use strict;
use warnings;
no warnings 'redefine';
use utf8;
use Data::Dumper;
use Apache2::Request;
use Apache2::Upload;
delete $INC{CGI};
require 'CGI.pm';
use Date::Calc();
use Time::Local();
use Image::Magick();
use Image::Magick::Square;
use config();
use entry();
use auth();
use uac();
use studios();
use template();
use images();
use localization();
#binmode STDOUT, ":utf8"; #<! does not work here!
print "Content-type:text/html; charset=UTF-8;\n\n";
my $r = shift;
my $cgi = undef;
my $config = config::get('../config/config.cgi');
my $base_dir = $config->{locations}->{base_dir};
my $tmp_dir = '/var/tmp';
my $upload_limit = 2048 * 1000;
sub upload_file {
my $config = shift;
my $cgi = shift;
my $upload = shift;
my $user = shift;
my $result = get_filename( $cgi, $upload );
return $result if ( $result->{error} ne '' );
my $file = $result->{fh};
my $filename = $result->{filename};
$result = check_filename($filename);
#print STDERR $result . "\n";
return $result if ( $result->{error} ne '' );
my $extension = $result->{extension} || '';
#read file from handle
my $data;
my $content = '';
#print STDERR $file . "\n";
binmode $file;
while ( read $file, $data, 1024 ) {
$content .= $data;
}
#set filename to MD5 from content
my $md5_filename = Digest::MD5::md5_base64($content);
$md5_filename =~ s/[\/\+]/_/gi;
return process_image( $config, $filename, $extension, $md5_filename, $content );
}
sub update_database {
my $config = shift;
my $params = shift;
my $file_info = shift;
my $user = shift;
$params->{upload_path} = $file_info->{upload_path};
$params->{upload_filename} = $file_info->{upload_filename};
$params->{filename} = $file_info->{filename};
$params->{thumb_path} = $file_info->{thumb_path};
$params->{image_path} = $file_info->{image_path};
$params->{icon_path} = $file_info->{icon_path};
$params->{local_media_url} = $config->{locations}->{local_media_url};
my $name = $params->{name} || '';
$name = 'neu' unless $params =~ /\S/;
my $image = {
filename => $params->{filename},
name => $name,
description => $params->{description},
modified_by => $user,
project_id => $params->{project_id},
studio_id => $params->{studio_id},
licence => $params->{licence}
};
#connect
$config->{access}->{write} = 1;
my $dbh = db::connect($config);
my $entries = images::get(
$config,
{
filename => $image->{filename},
project_id => $image->{project_id},
studio_id => $image->{studio_id}
}
);
if ( ( defined $entries ) && ( scalar(@$entries) > 0 ) ) {
print STDERR "update image\n".Dumper($image);
images::update( $dbh, $image );
my $entry = $entries->[0];
$params->{image_id} = $entry->{id};
} else {
print STDERR "insert image\n";
$image->{created_by} = $user;
$params->{image_id} = images::insert( $dbh, $image );
}
$config->{access}->{write} = 0;
$params->{action_result} = 'done!';
return $params;
}
#get filename and filehandle from upload
sub get_filename {
my $cgi = shift;
my $upload = shift;
# try apache2 module
if ( defined $upload ) {
my $filename = $upload->filename();
return {
filename => $filename,
fh => $upload->fh(),
error => ''
};
}
# fallback to CGI module
my $file = $cgi->param("image");
if ( $file =~ /\|/ ) {
return { error => "is no file" };
}
my $file_info = $cgi->uploadInfo($file);
if ( defined $file_info ) {
my $filename = $file_info->{'Content-Disposition'} || '';
if ( $filename =~ /filename=\"(.*?)\"/ ) {
$filename = $1;
return {
filename => $filename,
fh => $file,
error => ''
};
}
}
#error
return { error => 'Could not detect file name!' };
}
sub check_filename {
my $filename = shift;
my @valid_extensions = ( 'png', 'jpeg', 'jpg', 'gif', 'pdf', 'txt', 'bmp', 'ps', 'eps', 'wmf', 'svg' );
if ( $filename =~ /\.([a-zA-Z]{3,5})$/ ) {
my $extension = lc $1;
unless ( grep( /$extension/, @valid_extensions ) ) {
return { error => 'Following file formats are supported: ' . join( ",", @valid_extensions ) . '!' };
}
return {
extension => $extension,
error => ''
};
} else {
return { error => 'Not matching file extension found! Supported are: ' . join( ",", @valid_extensions ) . '!' };
}
}
sub process_image {
my $config = shift;
my $filename = shift;
my $extension = shift;
my $md5_filename = shift;
my $content = shift;
my $upload_path =
images::getInternalPath( $config, { type => 'upload', filename => $md5_filename . '.' . $extension } );
my $thumb_path = images::getInternalPath( $config, { type => 'thumbs', filename => $md5_filename . '.jpg' } );
my $icon_path = images::getInternalPath( $config, { type => 'icons', filename => $md5_filename . '.jpg' } );
my $image_path = images::getInternalPath( $config, { type => 'images', filename => $md5_filename . '.jpg' } );
#copy file to upload space
my $result = images::writeFile( $upload_path, $content );
return $result if defined $result->{error};
#write image
my $image = new Image::Magick;
$image->Read($upload_path);
my $x = $image->Get('width') || 0;
my $y = $image->Get('height') || 0;
if ( ( $x == 0 ) || ( $y == 0 ) ) {
return { error => 'Could not read image!' };
log::error( $config, 'Cannot read image $filename!' );
}
#set max size image
if ( $x > 0 && $y > 0 ) {
if ( $x > $y ) {
$image->Resize( width => '600', height => int( 600 * $y / $x ) );
} else {
$image->Resize( width => int( 600 * $x / $y ), height => '600' );
}
}
#$image->Normalize();
$image->Write( 'jpg:' . $image_path );
#write thumb
my $thumb = $image;
$thumb->Trim2Square;
$thumb->Resize( width => 150, height => 150 );
$thumb->Write( 'jpg:' . $thumb_path );
my $icon = $image;
$icon->Trim2Square;
$icon->Resize( width => 25, height => 25 );
$icon->Write( 'jpg:' . $icon_path );
return { error => 'could not create thumb file!' } unless -e $thumb_path;
return { error => 'could not create icon file!' } unless -e $icon_path;
return { error => 'could not create image file!' } unless -e $image_path;
return {
upload_filename => $filename,
filename => $md5_filename . '.jpg',
thumb_path => $thumb_path,
icon_path => $icon_path,
image_path => $image_path,
error => ''
};
}
sub check_params {
my $config = shift;
my $params = shift;
my $checked = {};
$checked->{template} = template::check( $config, $params->{template}, 'image-upload' );
entry::set_numbers( $checked, $params, [
'project_id', 'studio_id', 'default_studio_id'
]);
if ( defined $checked->{studio_id} ) {
$checked->{default_studio_id} = $checked->{studio_id};
} else {
$checked->{studio_id} = -1;
}
entry::set_strings( $checked, $params, [ 'action', 'name', 'description', 'licence' ]);
entry::set_bools( $checked, $params, [ 'public' ] );
return $checked;
}
my $params = {};
my $upload = undef;
my $error = '';
#get image from multiform before anything else
if ( defined $r ) {
#$cgi = new CGI();
#Apache2::Request
my $apr = Apache2::Request->new( $r, POST_MAX => $upload_limit, TEMP_DIR => $tmp_dir );
$params = {
studio_id => $apr->param('studio_id'),
project_id => $apr->param('project_id'),
};
#copy params to hash
my $body = $apr->body();
if ( defined $body ) {
for my $key ( keys %$body ) {
$params->{ scalar($key) } = scalar( $apr->param($key) );
}
}
my $status = $apr->parse;
$status = '' if ( $status =~ /missing input data/i );
if ( $status =~ /limit/i ) {
$error = $status;
} else {
$upload = $apr->upload('image') if defined $params->{image};
}
print STDERR "apr\n";
} else {
#CGI fallback
$CGI::POST_MAX = $upload_limit;
$CGI::TMPDIRECTORY = $tmp_dir;
$cgi = new CGI();
$error = $cgi->cgi_error() || $error;
my %params = $cgi->Vars();
$params = \%params;
print STDERR "fallback\n";
}
print STDERR Dumper($params);
my ( $user, $expires ) = auth::get_user( $config, $params, $cgi );
return if ( ( !defined $user ) || ( $user eq '' ) );
my $user_presets = uac::get_user_presets(
$config,
{
user => $user,
project_id => $params->{project_id},
studio_id => $params->{studio_id}
}
);
$params->{default_studio_id} = $user_presets->{studio_id};
$params = uac::setDefaultStudio( $params, $user_presets );
$params = uac::setDefaultProject( $params, $user_presets );
my $request = {
url => $ENV{QUERY_STRING} || '',
params => {
original => $params,
checked => check_params( $config, $params ),
},
};
$request = uac::prepare_request( $request, $user_presets );
$params = $request->{params}->{checked};
return unless uac::check( $config, $params, $user_presets ) == 1;
my $permissions = $request->{permissions};
$params->{action} = '' unless defined $params->{action};
if ( $permissions->{create_image} ne '1' ) {
uac::permissions_denied("create image");
return 0;
}
my $file_info = undef;
if ( $error ne '' ) {
if ( $error =~ /limit/ ) {
$params->{error} .=
"Image size is limited to "
. int( $upload_limit / 1000000 ) . " MB!"
. "Please make it smaller and try again!";
} else {
$params->{error} .= "Error:'$error'";
}
} elsif ( $params->{action} eq 'upload' ) {
$file_info = upload_file( $config, $cgi, $upload, $user );
$params->{error} .= $file_info->{error};
$params = update_database( $config, $params, $file_info, $user ) if $params->{error} eq '';
}
print STDERR "upload error: $params->{error}\n" if $params->{error};
$params->{loc} = localization::get( $config, { user => $params->{presets}->{user}, file => 'image' } );
template::process( $config, 'print', $params->{template}, $params );
print $cgi->cgi_error() if ( defined $cgi ) && ( defined $cgi->cgi_error() );
return if $params->{action} eq '';
$params->{action_result} ||= '';
$params->{filename} ||= '';
$params->{image_id} ||= '';
$params->{name} ||= '';