timthumb problem

[RT]

Hey,

I had this scrip from sometime now in the first skin, but it didn't work on the second so i had to get another, but This one is killing my site!

When I add a JPG image it resizes it and convert it to .PNG which is much larger and heavier, could somebody please make it keep the images as they are? jpg to jpg, png to png...etc?

Thanks a lot!

<?php
/*
    TimThumb script created by Tim McDaniels and Darren Hoyt with tweaks by Ben Gillbanks
    http://code.google.com/p/timthumb/

    MIT License: http://www.opensource.org/licenses/mit-license.php

    Paramters
    ---------
    w: width
    h: height
    zc: zoom crop (0 or 1)
    q: quality (default is 75 and max is 100)
    
    HTML example: <img src="/scripts/timthumb.php?src=/images/whatever.jpg&w=150&h=200&zc=1" alt="" />
*/

/*
$sizeLimits = array(
    "100x100",
    "150x150",
);
*/
$src = get_request("src", "");
if(strcasecmp(substr($src,0,4),'http')!=0)
{
    $base_url = parse_url($src);
    $current_path = $base_url["path"];
    $path_segs = explode('/', $current_path);
    $loop_count = 0;
    $new_src = "";
    foreach($path_segs as $path_seg) {
        if($loop_count == 1) {
            $current_path = $path_seg;
        }
        if($loop_count > 1) {
            $new_src = $new_src.'/'.$path_seg;
        }
        $loop_count ++;
    }
    $src = $new_src;
//echo $src; exit;
    $link = mysql_connect('localhost','root','password');
    $db = mysql_select_db('wordpress',$link);
    $query = mysql_query("SELECT blog_id FROM wp_blogs where path like '%$current_path%'");

    $row = mysql_fetch_assoc($query);

    $blog_id = $row["blog_id"];
    
    $src = cleanSource($src, $blog_id);
}


define ('CACHE_SIZE', 250);        // number of files to store before clearing cache
define ('CACHE_CLEAR', 5);        // maximum number of files to delete on each cache clear
define ('VERSION', '1.09');        // version number (to force a cache refresh

$imageFilters = array(
    "1" => array(IMG_FILTER_NEGATE, 0),
    "2" => array(IMG_FILTER_GRAYSCALE, 0),
    "3" => array(IMG_FILTER_BRIGHTNESS, 1),
    "4" => array(IMG_FILTER_CONTRAST, 1),
    "5" => array(IMG_FILTER_COLORIZE, 4),
    "6" => array(IMG_FILTER_EDGEDETECT, 0),
    "7" => array(IMG_FILTER_EMBOSS, 0),
    "8" => array(IMG_FILTER_GAUSSIAN_BLUR, 0),
    "9" => array(IMG_FILTER_SELECTIVE_BLUR, 0),
    "10" => array(IMG_FILTER_MEAN_REMOVAL, 0),
    "11" => array(IMG_FILTER_SMOOTH, 0),
);

// sort out image source
if($src == "" || strlen($src) <= 3) {
    displayError("no image specified");
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// clean params before use
//$src = cleanSource($src, $blog_id);
// last modified time (for caching)
//$lastModified = filemtime($src);
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

// get properties
$new_width         = preg_replace("/[^0-9]+/", "", get_request("w", 0));
$new_height     = preg_replace("/[^0-9]+/", "", get_request("h", 0));
$zoom_crop         = preg_replace("/[^0-9]+/", "", get_request("zc", 1));
$quality         = preg_replace("/[^0-9]+/", "", get_request("q", 50));
$filters        = get_request("f", "");

if ($new_width == 0 && $new_height == 0) {
    $new_width = 100;
    $new_height = 100;
}

// set path to cache directory (default is ./cache)
// this can be changed to a different location
$cache_dir = './cache';

// get mime type of src
$mime_type = mime_type($src);

// check to see if this image is in the cache already
check_cache( $cache_dir, $mime_type );

// if not in cache then clear some space and generate a new file
cleanCache();

ini_set('memory_limit', "30M");

// make sure that the src is gif/jpg/png
if(!valid_src_mime_type($mime_type)) {
    displayError("Invalid src mime type: " .$mime_type);
}

// check to see if GD function exist
if(!function_exists('imagecreatetruecolor')) {
    displayError("GD Library Error: imagecreatetruecolor does not exist");
}

if(strlen($src)){// && file_exists($src)) {

    // open the existing image
    $image = open_image($mime_type, $src);
    if($image === false) {
        displayError('Unable to open image : ' . $src);
    }

    // Get original width and height
    $width = imagesx($image);
    $height = imagesy($image);
    
    // don't allow new width or height to be greater than the original
    if( $new_width > $width ) {
        $new_width = $width;
    }
    if( $new_height > $height ) {
        $new_height = $height;
    }

    // generate new w/h if not provided
    if( $new_width && !$new_height ) {
        
        $new_height = $height * ( $new_width / $width );
        
    } elseif($new_height && !$new_width) {
        
        $new_width = $width * ( $new_height / $height );
        
    } elseif(!$new_width && !$new_height) {
        
        $new_width = $width;
        $new_height = $height;
        
    }
    
    // create a new true color image
    $canvas = imagecreatetruecolor( $new_width, $new_height );
    imagealphablending($canvas, false);
    // Create a new transparent color for image
    $color = imagecolorallocatealpha($canvas, 0, 0, 0, 127);
    // Completely fill the background of the new image with allocated color.
    imagefill($canvas, 0, 0, $color);
    // Restore transparency blending
    imagesavealpha($canvas, true);

    if( $zoom_crop ) {

        $src_x = $src_y = 0;
        $src_w = $width;
        $src_h = $height;

        $cmp_x = $width  / $new_width;
        $cmp_y = $height / $new_height;

        // calculate x or y coordinate and width or height of source

        if ( $cmp_x > $cmp_y ) {

            $src_w = round( ( $width / $cmp_x * $cmp_y ) );
            $src_x = round( ( $width - ( $width / $cmp_x * $cmp_y ) ) / 2 );

        } elseif ( $cmp_y > $cmp_x ) {

            $src_h = round( ( $height / $cmp_y * $cmp_x ) );
            $src_y = round( ( $height - ( $height / $cmp_y * $cmp_x ) ) / 2 );

        }
        
        imagecopyresampled( $canvas, $image, 0, 0, $src_x, $src_y, $new_width, $new_height, $src_w, $src_h );

    } else {

        // copy and resize part of an image with resampling
        imagecopyresampled( $canvas, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height );

    }
    
    if ($filters != "") {
        // apply filters to image
        $filterList = explode("|", $filters);
        foreach($filterList as $fl) {
            $filterSettings = explode(",", $fl);
            if(isset($imageFilters[$filterSettings[0]])) {
            
                for($i = 0; $i < 4; $i ++) {
                    if(!isset($filterSettings[$i])) {
                        $filterSettings[$i] = null;
                    }
                }
                
                switch($imageFilters[$filterSettings[0]][1]) {
                
                    case 1:
                    
                        imagefilter($canvas, $imageFilters[$filterSettings[0]][0], $filterSettings[1]);
                        break;
                    
                    case 2:
                    
                        imagefilter($canvas, $imageFilters[$filterSettings[0]][0], $filterSettings[1], $filterSettings[2]);
                        break;
                    
                    case 3:
                    
                        imagefilter($canvas, $imageFilters[$filterSettings[0]][0], $filterSettings[1], $filterSettings[2], $filterSettings[3]);
                        break;
                    
                    default:
                    
                        imagefilter($canvas, $imageFilters[$filterSettings[0]][0]);
                        break;
                        
                }
            }
        }
    }
    
    // output image to browser based on mime type
    show_image($mime_type, $canvas, $cache_dir);
    
    // remove image from memory
    imagedestroy($canvas);
    
} else {

    if(strlen($src)) {
        displayError("image " . $src . " not found");
    } else {
        displayError("no source specified");
    }
    
}

/**
 * 
 */
function show_image($mime_type, $image_resized, $cache_dir) {

    global $quality;

    // check to see if we can write to the cache directory
    $is_writable = 0;
    $cache_file_name = $cache_dir . '/' . get_cache_file();

    if(touch($cache_file_name)) {
        
        // give 666 permissions so that the developer 
        // can overwrite web server user
        chmod($cache_file_name, 0666);
        $is_writable = 1;
        
    } else {
        
        $cache_file_name = NULL;
        header('Content-type: ' . $mime_type);
        
    }

    $quality = floor($quality * 0.09);

    imagepng($image_resized, $cache_file_name, $quality);
    
    if($is_writable) {
        show_cache_file($cache_dir, $mime_type);
    }

    imagedestroy($image_resized);
    
    displayError("error showing image");

}

/**
 * 
 */
function get_request( $property, $default = 0 ) {
    
    if( isset($_REQUEST[$property]) ) {
    
        return $_REQUEST[$property];
        
    } else {
    
        return $default;
        
    }
    
}

/**
 * 
 */
function open_image($mime_type, $src) {

    if(stristr($mime_type, 'gif')) {
        //echo $src;
        $image = imagecreatefromgif($src);
        
    } elseif(stristr($mime_type, 'jpeg')) {
    
        @ini_set('gd.jpeg_ignore_warning', 1);
        $image = imagecreatefromjpeg($src);
        
    } elseif( stristr($mime_type, 'png')) {
    
        $image = imagecreatefrompng($src);
        
    }
    
    return $image;

}

/**
 * clean out old files from the cache
 * you can change the number of files to store and to delete per loop in the defines at the top of the code
 */
function cleanCache() {

    $files = glob("cache/*", GLOB_BRACE);
    
    $yesterday = time() - (24 * 60 * 60);
    
    if (count($files) > 0) {
        
        usort($files, "filemtime_compare");
        $i = 0;
        
        if (count($files) > CACHE_SIZE) {
            
            foreach ($files as $file) {
                
                $i ++;
                
                if ($i >= CACHE_CLEAR) {
                    return;
                }
                
                if (filemtime($file) > $yesterday) {
                    return;
                }
                
                unlink($file);
                
            }
            
        }
        
    }

}

/**
 * compare the file time of two files
 */
function filemtime_compare($a, $b) {

    return filemtime($a) - filemtime($b);
    
}

/**
 * determine the file mime type
 */
function mime_type($file) {
    if(strcasecmp(substr($file,0,4),'http') == 0){
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $file);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 
        $content = curl_exec($ch);
        $content_type = curl_getinfo( $ch, CURLINFO_CONTENT_TYPE );
        preg_match( '@([\w/+]+)(;\s+charset=(\S+))?@i', $content_type, $matches );
        if ( isset( $matches[1] ) )
            $mime_type = $matches[1];
        return $mime_type;
    }
    if (stristr(PHP_OS, 'WIN')) { 
        $os = 'WIN';
    } else { 
        $os = PHP_OS;
    }

    $mime_type = '';

    if (function_exists('mime_content_type')) {
        $mime_type = mime_content_type($file);
    }
    
    // use PECL fileinfo to determine mime type
    if (!valid_src_mime_type($mime_type)) {
        if (function_exists('finfo_open')) {
            $finfo = finfo_open(FILEINFO_MIME);
            $mime_type = finfo_file($finfo, $file);
            finfo_close($finfo);
        }
    }

    // try to determine mime type by using unix file command
    // this should not be executed on windows
    if (!valid_src_mime_type($mime_type) && $os != "WIN") {
        if (preg_match("/FREEBSD|LINUX/", $os)) {
            $mime_type = trim(@shell_exec('file -bi "' . $file . '"'));
        }
    }

    // use file's extension to determine mime type
    if (!valid_src_mime_type($mime_type)) {

        // set defaults
        $mime_type = 'image/png';
        // file details
        $fileDetails = pathinfo($file);
        $ext = strtolower($fileDetails["extension"]);
        // mime types
        $types = array(
             'jpg'  => 'image/jpeg',
             'jpeg' => 'image/jpeg',
             'png'  => 'image/png',
             'gif'  => 'image/gif'
         );
        
        if (strlen($ext) && strlen($types[$ext])) {
            $mime_type = $types[$ext];
        }
        
    }
    
    return $mime_type;

}

/**
 * 
 */
function valid_src_mime_type($mime_type) {

    if (preg_match("/jpg|jpeg|gif|png/i", $mime_type)) {
        return true;
    }
    
    return false;

}

/**
 * 
 */
function check_cache($cache_dir, $mime_type) {

    // make sure cache dir exists
    if (!file_exists($cache_dir)) {
        // give 777 permissions so that developer can overwrite
        // files created by web server user
        mkdir($cache_dir);
        chmod($cache_dir, 0777);
    }

    show_cache_file($cache_dir, $mime_type);

}

/**
 * 
 */
function show_cache_file($cache_dir) {

    $cache_file = $cache_dir . '/' . get_cache_file();

    if (file_exists($cache_file)) {
        
        $gmdate_mod = gmdate("D, d M Y H:i:s", filemtime($cache_file));
        
        if(! strstr($gmdate_mod, "GMT")) {
            $gmdate_mod .= " GMT";
        }
        
        if (isset($_SERVER["HTTP_IF_MODIFIED_SINCE"])) {
        
            // check for updates
            $if_modified_since = preg_replace("/;.*$/", "", $_SERVER["HTTP_IF_MODIFIED_SINCE"]);
            
            if ($if_modified_since == $gmdate_mod) {
                header("HTTP/1.1 304 Not Modified");
                exit;
            }

        }
        
        $fileSize = filesize($cache_file);
        
        // send headers then display image
        header("Content-Type: image/png");
        header("Accept-Ranges: bytes");
        header("Last-Modified: " . $gmdate_mod);
        header("Content-Length: " . $fileSize);
        header("Cache-Control: max-age=9999, must-revalidate");
        header("Expires: " . $gmdate_mod);
        
        readfile($cache_file);
        
        exit;

    }
    
}

/**
 * 
 */
function get_cache_file() {

    global $lastModified;
    static $cache_file;
    
    if(!$cache_file) {
        $cachename = $_SERVER['QUERY_STRING'] . VERSION . $lastModified;
        $cache_file = md5($cachename) . '.png';
    }
    
    return $cache_file;

}

/**
 * check to if the url is valid or not
 */
function valid_extension ($ext) {

    if (preg_match("/jpg|jpeg|png|gif/i", $ext)) {
        return TRUE;
    } else {
        return FALSE;
    }
    
}

/**
 * tidy up the image source url
 */
function cleanSource($src, $blog_id) {

    // remove slash from start of string
    if(strpos($src, "/") == 0) {
        $src = substr($src, -(strlen($src) - 1));
    }

    // remove http/ https/ ftp
    $src = preg_replace("/^((ht|f)tp(s|):\/\/)/i", "", $src);
    // remove domain name from the source url
    $host = $_SERVER["HTTP_HOST"];
    $src = str_replace($host, "", $src);
    $host = str_replace("www.", "", $host);
    $src = str_replace($host, "", $src);

    // don't allow users the ability to use '../' 
    // in order to gain access to files below document root

    // src should be specified relative to document root like:
    // src=images/img.jpg or src=/images/img.jpg
    // not like:
    // src=../images/img.jpg
    $src = preg_replace("/\.\.+\//", "", $src);
    
    // get path to image on file system
    //$src = get_document_root($src) . '/' . $src;    
    $src = '/home/jeremy/wordpress-mu/wp-content/blogs.dir/'.$blog_id.'/'.$src;
    return $src;

}

/**
 * 
 */

function get_document_root ($src) {
    global $blog_id;
    displayError( $_SERVER['DOCUMENT_ROOT'] );
    if(isset($blog_id) && $blog_id > 0) {
        $path = $_SERVER['DOCUMENT_ROOT'] . "/blogs.dir/$blog_id/";
        //if(file_exists($path . $src))
            displayError($path);
            return $path;
    }
    // check for unix servers
    if(@file_exists($_SERVER['DOCUMENT_ROOT'] . '/' . $src)) {
        return $_SERVER['DOCUMENT_ROOT'];
    }
    
    // check from script filename (to get all directories to timthumb location)
    $parts = array_diff(explode('/', $_SERVER['SCRIPT_FILENAME']), explode('/', $_SERVER['DOCUMENT_ROOT']));
    $path = $_SERVER['DOCUMENT_ROOT'] . '/';
    foreach ($parts as $part) {
        $path .= $part . '/';
        if (file_exists($path . $src)) {
            return $path;
        }
    }    
    
    // the relative paths below are useful if timthumb is moved outside of document root
    // specifically if installed in wordpress themes like mimbo pro:
    // /wp-content/themes/mimbopro/scripts/timthumb.php
    $paths = array(
        ".",
        "..",
        "../..",
        "../../..",
        "../../../..",
        "../../../../.."
    );
    
    foreach($paths as $path) {
        if(@file_exists($path . '/' . $src)) {
            return $path;
        }
    }
    
    // special check for microsoft servers
    if(!isset($_SERVER['DOCUMENT_ROOT'])) {
        $path = str_replace("/", "\\", $_SERVER['ORIG_PATH_INFO']);
        $path = str_replace($path, "", $_SERVER['SCRIPT_FILENAME']);
        
        if( @file_exists( $path . '/' . $src ) ) {
            return $path;
        }
    }    
    
    displayError('file not found ' . $src);

}

/**
 * generic error message
 */
function displayError($errorString = '') {

    header('HTTP/1.1 400 Bad Request');
    die($errorString);
    
}
?>

RT Reviewed by RT on 25th Mar 2010. timthumb problem Hey, I had this scrip from sometime now in the first skin, but it didn't work on the second so i had to get another, but This one is killing my site! When I add a JPG image it resizes it and convert it to .PNG which is much larger and heavier, could somebody please make it keep the images as they are? jpg to jpg, png to png...etc? Thanks a lot! <?php /* Rating: 5

[=Ash=]

what a colourful code

[RT]

Anybody with some skills care to help please? rather than the above kid?

[Lifetalk]

I went through the source code, and I don't see any reference to any code in there that converts the jpg to png. It's creating the image from scratch at one point, but it maintains the mime type while doing so.

I'll download a copy of it on my server, and test it out, nevertheless.

Also, you're using it on a forum? Or a blog?

EDIT: According to the source, it should have been fixed. Ref: http://code.google.com/p/timthumb/issues/detail?id=28

[RT]

Yes I found that one, but it has another problem, the images must be from the server and if I added an external link (imgcentre for an example) It wont work, it would be great if u can edit that fixed one to work with external images, thanks for helping out.

[Royal King]

Yeah, thats a buggy thing in wp. You gotta upload the pic to your server

Not sure about how to fix it man

[RT]

It's not a bug, the maker of that scrip made it that way to prevent BW theft which is kinda stupid if u ask me, we got free image hosts everywhere.

[Royal King]

I meant irritating nigga

Wasn't it working well before?

And yeah, what a colourful code.

[RT]

I'm on a new skin if u didn't notice anybody up for this? if u can do it for a price then tell me.

[SceneMan]

I use to use it before. They do it so you can only use images from your server is because it's suppose to be for "Security Reasons".

But if you're getting a lot of traffic to your site mate and not on medium to powerful dedi the script will rape the fuck out of your resources.

Sorry I couldn't be exactly helpful on what you asked but thought I'd let you no.