".tar.gz, .tgz", "application/x-zip-compressed" => ".zip", "application/x-tar" => ".tar", "text/plain" => ".html, .php, .txt, .inc (etc)", "image/bmp" => ".bmp, .ico", "image/gif" => ".gif", "image/pjpeg" => ".jpg, .jpeg", "image/jpeg" => ".jpg, .jpeg", "image/png" => ".png", "image/tiff" => ".tif, .tiff", "image/jp2" => ".jp2", "application/x-shockwave-flash" => ".swf", "application/msword" => ".doc", "application/vnd.ms-excel" => ".xls", "application/octet-stream" => ".exe, .fla (etc)" ); $allowed_types = array("image/jpeg","image/gif", "image/png", "image/jp2", "image/tiff"); function form($error=false) { global $my_max_file_size, $scriptDebug, $maxSizeStr, $MB, $KB; print "\n\nDave's Image shrinker\n"; print "\n"; print "\n

Dave's Image Shrinker/Converter

\n"; print "This page will allow you to upload an image and have it download at an altered size, type and/or quality. Files are currently limited to:
  • Files under $maxSizeStr in size.
  • JPG, JP2, TIFF, PNG, or GIF files
"; echo "Note that if your file is large, then the upload may take quite a while. Be patient.
"; if ($error) print "$error

"; if ($scriptDebug) print "PHP_Self: ".$_SERVER['PHP_SELF']."
\n"; print "\n
"; print "\n"; print "\n"; print "\n"; print "\n"; print "\n


"; print "\n"; print "\n
"; print "\n

Note that the Converter uses NetPBM on the server to do the work."; print "\n"; print "\n"; print "\n"; } function validate_upload($the_file) { global $my_max_file_size, $image_max_width, $image_max_height, $allowed_types, $registered_types, $scriptDebug; $the_file_name = $_FILES['the_file']['name']; $the_file_type = $_FILES['the_file']['type']; if ($scriptDebug) print "Name: ".$the_file_name."
\n"; if ($scriptDebug) print "Type: ".$the_file_type."
\n"; $start_error = "\nError:\n"; return $error; } else { return false; } } } function upload($the_file) { global $filesDir, $scriptDebug; $the_file_name = $_FILES['the_file']['name']; $ext = explode(".", $the_file_name); $ext = array_pop($ext); $baseName = basename($the_file_name, "." . $ext); $uploadfile = $filesDir . $baseName . "Sm." . $ext; if ($scriptDebug) print "Basename: ".$baseName."
\n"; if ($scriptDebug) print "Extension: ".$ext."
\n"; if ($scriptDebug) print "UploadFile: ".$uploadfile."
\n"; if ($scriptDebug) { echo "Debugging info:
"; print_r($_FILES); echo "
\n"; } $error = validate_upload($the_file); if ($error) { if ($scriptDebug) print "Error: ".$error."
\n"; form($error); } else { // cool, we can continue if ($scriptDebug) print "Upload validated successfully.
\n"; $tempName = $_FILES['the_file']['tmp_name']; if ($scriptDebug) print "Temp Name: ".$tempName."
\n"; $num = 1; if ($scriptDebug) print "New UploadFile: ".$uploadfile."
\n"; if (move_uploaded_file($tempName, $uploadfile)) { if ($scriptDebug) print "File Moved Successfully.
\n"; shrink_file($uploadfile); send_shrunken_file($uploadfile); if (!$scriptDebug) { unlink($uploadfile); } if (!is_file($uploadfile)) { if ($scriptDebug) print "File deleted successfully.
\n"; } } else { echo "Possible file upload attack!\n"; } } } function shrink_file($uploadfile) { global $scriptDebug, $_POST; $tempfile = "/tmp/DMH".time()."temp.ppm"; $scalefactor = $_POST["scalefactor"]; $ext = explode(".", $uploadfile); $ext = array_pop($ext); $quality = $_POST["quality"]; if ($scriptDebug) print "Here we are, shrinking the file.
\n"; switch (strtolower($ext)) { case 'jpg': case 'jpeg': $converter = "jpegtopnm"; break; case 'jp2': $converter = "jpeg2ktopam"; break; case 'tif': case 'tiff': $converter = "tifftopnm"; break; case 'gif': $converter = "giftopnm"; break; case 'png': $converter = "pngtopnm"; break; } $cmd = "/opt/local/bin/$converter '$uploadfile' | /opt/local/bin/pamscale $scalefactor | /opt/local/bin/pnmtojpeg -quality=$quality > $tempfile"; system($cmd,$return_value); if ($return_value != 0) { unlink($uploadfile); die("returned an error: $cmd"); } unlink($uploadfile); copy($tempfile, $uploadfile); unlink($tempfile); } function send_shrunken_file($uploadfile) { global $scriptDebug; if ($scriptDebug) print "Here we are, sending the shrunken file.
\n"; $len = filesize($uploadfile); $name = explode("/", $uploadfile); $name = array_pop($name); $name = explode(".", $name); $ext = array_pop($name); $name = $name[0].".jpg"; if ($scriptDebug) { print "Link to file
\n"; } else { header("Content-type: image/jpeg"); header("Content-Length: $len"); header("Content-Transfer-Encoding: binary"); header("Content-Disposition: attachment; filename=$name"); readfile($uploadfile); } } if ($my_max_file_size/$KB > 3000) { $maxSizeStr = ($my_max_file_size / $MB) ." MB"; } else { $maxSizeStr = ($my_max_file_size / $KB) ." KB"; } if ($scriptDebug) print "Task: ".$_POST['task']."
\n"; if ($scriptDebug) print "Scale factor: ".$_POST['scalefactor']."
\n"; if ($scriptDebug) print "Quality: ".$_POST['quality']."
\n"; switch($_POST["task"]) { case 'upload': upload($the_file); break; default: form(); } echo "\n"; ?>