Viewing file:  image.php (5.72 KB) -rw-rw-rw-
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<?php
/* $Id: image.php,v 1.15 2008/03/31 19:24:45 tjfulopp Exp $ */
if ( strpos( base64_decode( $_GET['imgp'] ), "://" ) !== false ) { # Fixing a possible URL injection problem. Using ':' was not enough because Windows paths contain it as well.
header("HTTP/1.0 404 Not Found");
exit();
}
drupalize();
function drupalize() {
while (!@stat('./includes/bootstrap.inc')) {
chdir ('..');
}
require_once './includes/bootstrap.inc';
#drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);
drupal_bootstrap(DRUPAL_BOOTSTRAP_DATABASE);
#drupal_cron_run();
}
$GLOBALS['devel_shutdown'] = FALSE; # Crucial - to suppress Devel (if installed and enabled) output appearing in the generated XML!
$bgcachexpire = 3600*24*3; # Cache expiration time.
#$bgcachexpire = 3; # Cache expiration time.
#chdir ('../../../../');
#require_once './includes/bootstrap.inc';
#require_once '../../../../../includes/bootstrap.inc';
#drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);
#if ( $_SERVER['SERVER_ADDR'] == '64.13.192.90' ) {
if ( variable_get('brilliant_gallery_cache', 'd') == 'f' ) {
#echo '.....................' . $_SERVER['SERVER_ADDR'];
$my_data = resizeimage_wrapper_filecache();
} else {
$my_data = resizeimage_wrapper_dbcache();
}
#echo '....'. sess_read('vacilando');
header($my_data[0]);
#echo $my_data[0] . '<br>';
echo base64_decode($my_data[1]);
exit(); # IMPORTANT - otherwise some process after BG adds strings and breaks the image!
function resizeimage_wrapper_filecache() {
global $bgcachexpire;
$bgcacheid = 'bg_' . md5($_GET['imgp'] . $_GET['imgw'] . $_GET['imgh']);
#echo $bgcacheid;
#echo '. 0.... ';
# Tested that both relative (eg sites/all/files/cache) and absolute (eg /home/data/tmp) tmp path settings work OK here.
$cachedfile = file_directory_temp() . '/' . $bgcacheid;
#$cachedfile = realpath(file_directory_temp() . '/' . $bgcacheid);
#echo file_directory_temp() . '/' . $bgcacheid;
#echo " .... ";
#echo $cachedfile;
$lastchanged = (file_exists($cachedfile) ? filemtime( $cachedfile ) : false); # See http://drupal.org/node/194923
if ( $lastchanged === false or ( time() - $lastchanged > ( $bgcachexpire ) ) ) {
#echo '. 1.... ';
# Cache file does not exist or is too old.
$my_data = resizeimage ( $_GET['imgp'], $_GET['imgw'], $_GET['imgh'] );
# Now put $my_data to cache!
$fh = fopen( $cachedfile, "w+" );
fwrite( $fh, $my_data );
fclose( $fh );
#test
/*
$my_data_t = unserialize( $my_data );
$fh = fopen( $cachedfile . '_2', "w+" );
fwrite( $fh, $my_data_t[1] );
fclose( $fh );
*/
$my_data = unserialize( $my_data );
} else {
#echo '. 2.... ';
# Cache file exists.
$my_data = unserialize( file_get_contents( $cachedfile ) );
}
return $my_data;
}
function resizeimage_wrapper_dbcache($reset = FALSE) {
global $bgcachexpire;
global $user;
$userId = $user->uid;
$bgcacheid = 'bg_' . md5($_GET['imgp'] . $_GET['imgw'] . $_GET['imgh']);
#echo $bgcacheid;
static $my_data;
#echo '0.... ';
if (!isset($my_data) || $reset) {
if (!$reset && ($cache = cache_get($bgcacheid)) && !empty($cache->data)) {
#$my_data = $cache->data; echo '-1.... ' . $my_data;
$my_data = unserialize( $cache->data );
} else {
// Do your expensive calculations here, and populate $my_data
// with the correct stuff..
$my_data = resizeimage ( $_GET['imgp'], $_GET['imgw'], $_GET['imgh'] );
#echo ' -2.... ' . $bgcachexpire . ' // ' . $my_data;
cache_set($bgcacheid, 'cache', $my_data, time() + $bgcachexpire); # For some reason I could not use: mysql_escape_string($my_data)
$my_data = unserialize( $my_data );
}
}
return $my_data;
}
function resizeimage( $imgp, $imgw, $imgh ) {
$imagepath = base64_decode( $imgp );
#echo '.... ' . base64_decode( $imgp );
#flush();die(' stop!');
$suffix = strtolower(substr($imagepath, -4)); # Thanks to Michał Albrecht!
$imgsize = @getimagesize($imagepath);
$head = "Content-type: {$imgsize['mime']}"; # http://be.php.net/getimagesize
if ( $suffix == ".gif" ) {
#$head = "Content-type: image/gif";
$img = imagecreatefromgif( $imagepath );
if (!$img) { brokenimage("Error loading GIF"); }
} else if ( $suffix == ".jpg" or $suffix == "jpeg" ) { # Thanks to Michał Albrecht!
#$head = "Content-type: image/jpeg";
$img = imagecreatefromjpeg( $imagepath );
if (!$img) { brokenimage("Error loading JPG"); }
} else if ( $suffix == ".png" ) {
#$head = "Content-type: image/png";
$img = imagecreatefrompng( $imagepath );
if (!$img) { brokenimage("Error loading PNG"); }
}
# Resize the image
$src_h = ImageSY( $img );
$src_w = ImageSX( $img );
$dst_img = imagecreatetruecolor( $imgw, $imgh );
imagecopyresampled( $dst_img, $img, 0, 0, 0, 0, $imgw, $imgh, $src_w, $src_h );
$img = $dst_img;
imageinterlace ( $img, 1 );
imagecolortransparent ( $img );
ob_start();
if ( $suffix == ".gif" ) {
Imagegif($img);
} else if ( $suffix == ".jpg" or $suffix == ".jpeg" ) {
Imagejpeg($img,'',80);
} else if ( $suffix == ".png" ) {
Imagepng($img);
}
$result = ob_get_clean();
#ImageDestroy($img);
$result = serialize(array($head, base64_encode( $result )));
return $result;
}
?>
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