| 26 |
along with this program; if not, write to the Free Software |
along with this program; if not, write to the Free Software |
| 27 |
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 28 |
*/ |
*/ |
| 29 |
/* $Id: downloadhandler.php,v 1.2 2006/01/06 16:38:38 elmuerte Exp $ */ |
/* $Id: downloadhandler.php,v 1.3.2.7 2006/04/04 10:58:08 elmuerte Exp $ */ |
| 30 |
|
|
| 31 |
|
|
| 32 |
define("READBUFFER_SIZE", 4096); // read buffer size |
define("READBUFFER_SIZE", 4096); // read buffer size |
| 33 |
define("USE_GZIP", true); // use GZip compression for text/* files |
define("USE_GZIP", true); // use GZip compression for text/* files |
| 34 |
|
|
| 35 |
|
define("WATERMARK", 1); // add a watermark to the image |
| 36 |
|
define("SUBSTITUTE", 2); // replace the image with an other one |
| 37 |
|
|
| 38 |
|
define("UPSAMPLE_PALLET", true); // if set upsample pallet images, produces better results |
| 39 |
|
define("DOWNSAMPLE_TO_ORIGIN", true); // if set to true downsample the watermarked |
| 40 |
|
// image to the original format, otherwise it will |
| 41 |
|
// be converted to a jpg |
| 42 |
|
|
| 43 |
/* |
/* |
| 44 |
not OS safe |
not OS safe |
| 45 |
*/ |
*/ |
| 46 |
if (!function_exists("mime_content_type")) |
if (!function_exists("mime_content_type")) { |
| 47 |
{ |
function mime_content_type($f) { |
| 48 |
function mime_content_type($f) |
$f = escapeshellarg($f); |
| 49 |
{ |
return trim( exec("file -bi ".$f) ); |
| 50 |
$f = escapeshellarg($f); |
} |
| 51 |
return trim( exec("file -bi ".$f) ); |
} |
| 52 |
} |
|
| 53 |
|
/** |
| 54 |
|
* Return true if the file is an image file. |
| 55 |
|
* |
| 56 |
|
* @param string the filename |
| 57 |
|
* @return boolean true if it's an image we want to process |
| 58 |
|
*/ |
| 59 |
|
function __fr_is_image_file($filename) { |
| 60 |
|
// only png, jpg, gif are supported |
| 61 |
|
return (in_array(StrToLower(preg_replace("#^.*\.([^.]*)$#", "\\1", $filename)), array("jpg", "jpeg", "jpe", "png", "gif"))); |
| 62 |
|
} |
| 63 |
|
|
| 64 |
|
/** |
| 65 |
|
* Reports the leech |
| 66 |
|
*/ |
| 67 |
|
function __fr_report_leech() { |
| 68 |
|
global $__fr_reporting_leech; |
| 69 |
|
$__fr_reporting_leech = true; |
| 70 |
|
register_shutdown_function("__fr_delayed_report"); |
| 71 |
|
} |
| 72 |
|
|
| 73 |
|
function __fr_delayed_report() { |
| 74 |
|
global $__fr_reporting_leech; |
| 75 |
|
if (!$__fr_reporting_leech) return; |
| 76 |
|
if (!function_exists('watchdog')) return; |
| 77 |
|
watchdog('download leech', "File: <i>".$_GET["file"]."</i><br />\nSource: <i>".$_SERVER["HTTP_REFERER"]."</i>", WATCHDOG_NOTICE); |
| 78 |
} |
} |
| 79 |
|
|
| 80 |
/** |
/** |
| 81 |
* Detect leeching sites |
* Detect leeching sites |
| 82 |
|
* |
| 83 |
* @param mixed array containing the configuration |
* @param mixed array containing the configuration |
| 84 |
* @return bool false if it's a leech |
* @return bool false if it's a leech |
| 85 |
*/ |
*/ |
| 86 |
function __anti_leech($config) |
function __fr_can_download_file(&$config) { |
| 87 |
{ |
$config["watermark"] = false; |
| 88 |
if (!$config["filereq_antileech_enabled"]) return true; |
if (!$config["filereq_antileech_enabled"]) return true; |
| 89 |
if (!empty($_SERVER["HTTP_REFERER"])) |
if (!empty($_SERVER["HTTP_REFERER"])) { |
| 90 |
{ |
if (!preg_match("#^http(s)?://".$config["filereq_antileech_regex"]."/#i", $_SERVER["HTTP_REFERER"])) { |
| 91 |
if (!preg_match("#^http(s)?://".$config["filereq_antileech_regex"]."/#i", $_SERVER["HTTP_REFERER"])) return false; |
|
| 92 |
|
if (!isset($config["filereq_nowatchdog"])) __fr_report_leech(); |
| 93 |
|
|
| 94 |
|
if (__fr_is_image_file($config["filename"])) { |
| 95 |
|
switch (intval($config["filereq_antileech_image_mode"])) { |
| 96 |
|
case WATERMARK: |
| 97 |
|
$config["watermark"] = __DRUPAL_BASE_DIR.$config["filereq_antileech_image_file"]; |
| 98 |
|
return true; |
| 99 |
|
case SUBSTITUTE: |
| 100 |
|
$config["filename"] = __DRUPAL_BASE_DIR.$config["filereq_antileech_image_file"]; |
| 101 |
|
return true; |
| 102 |
|
} |
| 103 |
|
} |
| 104 |
|
|
| 105 |
|
return false; |
| 106 |
} |
} |
| 107 |
// empty referer is good, for now |
} |
| 108 |
return true; |
// empty referer is good, for now |
| 109 |
|
return true; |
| 110 |
} |
} |
| 111 |
|
|
| 112 |
/** |
/** |
| 115 |
* @param function is a function in the form: function($filename) and returns the mimetype |
* @param function is a function in the form: function($filename) and returns the mimetype |
| 116 |
* @return bool true if the download was handled |
* @return bool true if the download was handled |
| 117 |
*/ |
*/ |
| 118 |
function process_download($filename, $forcedl=false, $mimeOverride=null) |
function __fr_process_download($filename, $forcedl=false, $watermark=false, $mimeOverride=null) |
| 119 |
{ |
{ |
| 120 |
if (!file_exists($filename)) |
global $__fr_reporting_leech; |
|
{ |
|
|
trigger_error("Requested download file does not exist: <i>".$filename."</i>", E_USER_ERROR); |
|
|
return false; |
|
|
} |
|
|
if (!is_readable($filename)) |
|
|
{ |
|
|
trigger_error("Requested file is not readable: <i>".$filename."</i>", E_USER_ERROR); |
|
|
return false; |
|
|
} |
|
|
$fi["path"] = $filename; |
|
|
$fi["size"] = filesize($filename); |
|
|
$fi["time"] = filemtime($filename); |
|
|
$fi["ranges"] = array(); |
|
|
|
|
|
if ($forcedl) $contentDisposition = "attachment"; // inline/attachment |
|
|
else { |
|
|
//$_SERVER["HTTP_ACCEPT"]; |
|
|
$contentDisposition = "inline"; // TODO: improve? |
|
|
} |
|
|
|
|
|
header("Content-Type: "); // unset content type |
|
|
|
|
|
if (isset($_SERVER["HTTP_RANGE"])) |
|
|
{ |
|
|
// process ranges |
|
|
if (preg_match("/^bytes=(.*)$/", trim($_SERVER["HTTP_RANGE"]), $ranges)) |
|
|
{ |
|
|
$ranges = explode(",", $ranges[1]); |
|
|
for ($i = 0; $i < count($ranges); $i++) |
|
|
{ |
|
|
if (preg_match("/^([0-9]*)-([0-9]*)$/", $ranges[$i], $r)) |
|
|
{ |
|
|
if ($r[1] == "") // -X : last X bytes |
|
|
{ |
|
|
$fi["ranges"][] = array("start" => $fi["size"]-intval($r[2]), "stop" => $fi["size"]-1, "count" => intval($r[2])); |
|
|
} |
|
|
else if ($r[2] == "") // X- : skip first X bytes |
|
|
{ |
|
|
$fi["ranges"][] = array("start" => intval($r[1]), "stop" => $fi["size"]-1, "count" => $fi["size"]-intval($r[1])); |
|
|
} |
|
|
else if ($r[1] == "" && $r[2] == "") |
|
|
{ |
|
|
$fi["ranges"] = array(); |
|
|
break; |
|
|
} |
|
|
else { // X-Y : X to Y bytes (0 = 1st byte) |
|
|
$fi["ranges"][] = array("start" => intval($r[1]), "stop" => intval($r[2]), "count" => intval($r[2])-intval($r[1])+1); |
|
|
} |
|
|
} |
|
|
else { |
|
|
$fi["ranges"] = array(); |
|
|
break; |
|
|
} |
|
|
} |
|
|
} |
|
| 121 |
|
|
| 122 |
for ($i = 0; $i < count($fi["ranges"]); $i++) |
if (!file_exists($filename)) { |
| 123 |
{ |
trigger_error("Requested download file does not exist: <i>".$filename."</i>", E_USER_ERROR); |
| 124 |
if (($fi["ranges"][$i]["start"] < 0) |
return false; |
| 125 |
|| ($fi["ranges"][$i]["stop"] >= $fi["size"])) |
} |
| 126 |
{ |
if (!is_readable($filename)) { |
| 127 |
$fi["ranges"] = array(); |
trigger_error("Requested file is not readable: <i>".$filename."</i>", E_USER_ERROR); |
| 128 |
break; |
return false; |
| 129 |
} |
} |
| 130 |
|
|
| 131 |
|
$fi["path"] = $filename; |
| 132 |
|
$fi["name"] = basename($filename); // name reported to the browser |
| 133 |
|
$fi["size"] = filesize($filename); |
| 134 |
|
$fi["time"] = filemtime($filename); |
| 135 |
|
$fi["ranges"] = array(); |
| 136 |
|
|
| 137 |
|
if ($forcedl) $contentDisposition = "attachment"; // inline/attachment |
| 138 |
|
else { |
| 139 |
|
//$_SERVER["HTTP_ACCEPT"]; |
| 140 |
|
$contentDisposition = "inline"; // TODO: improve? |
| 141 |
|
} |
| 142 |
|
|
| 143 |
|
$do_watermark = false; |
| 144 |
|
if (file_exists($watermark) && __fr_is_image_file($fi["name"])) { |
| 145 |
|
$do_watermark = true; |
| 146 |
|
$fi["name"] = preg_replace("#^(.*)(\.[^.]*)$#", "\\1_branded\\2", $fi["name"]); |
| 147 |
|
} |
| 148 |
|
|
| 149 |
|
header("Content-Type: "); // unset content type |
| 150 |
|
|
| 151 |
|
if (!$do_watermark && isset($_SERVER["HTTP_RANGE"])) { |
| 152 |
|
// process ranges |
| 153 |
|
if (preg_match("/^bytes=(.*)$/", trim($_SERVER["HTTP_RANGE"]), $ranges)) { |
| 154 |
|
$ranges = explode(",", $ranges[1]); |
| 155 |
|
for ($i = 0; $i < count($ranges); $i++) { |
| 156 |
|
if (preg_match("/^([0-9]*)-([0-9]*)$/", $ranges[$i], $r)) { |
| 157 |
|
if ($r[1] == "") { // -X : last X bytes |
| 158 |
|
$fi["ranges"][] = array("start" => $fi["size"]-intval($r[2]), "stop" => $fi["size"]-1, "count" => intval($r[2])); |
| 159 |
|
} |
| 160 |
|
else if ($r[2] == "") { // X- : skip first X bytes |
| 161 |
|
$fi["ranges"][] = array("start" => intval($r[1]), "stop" => $fi["size"]-1, "count" => $fi["size"]-intval($r[1])); |
| 162 |
|
} |
| 163 |
|
else if ($r[1] == "" && $r[2] == "") { |
| 164 |
|
$fi["ranges"] = array(); |
| 165 |
|
break; |
| 166 |
|
} |
| 167 |
|
else { // X-Y : X to Y bytes (0 = 1st byte) |
| 168 |
|
$fi["ranges"][] = array("start" => intval($r[1]), "stop" => intval($r[2]), "count" => intval($r[2])-intval($r[1])+1); |
| 169 |
|
} |
| 170 |
} |
} |
| 171 |
|
else { |
| 172 |
if (count($fi["ranges"]) == 0) // no valid ranges specified |
$fi["ranges"] = array(); |
| 173 |
{ |
break; |
|
header("HTTP/1.1 416 Requested range not satisfiable"); |
|
|
header("Content-Range: bytes */".$fi["size"]); |
|
|
return true; |
|
|
} |
|
|
} |
|
|
|
|
|
if ($_SERVER["HTTP_IF_MODIFIED_SINCE"]) |
|
|
{ |
|
|
if ($fi["time"] > strftime($_SERVER["HTTP_IF_MODIFIED_SINCE"])) |
|
|
{ |
|
|
header("HTTP/1.1 304 Not Modified"); |
|
|
return true; |
|
| 174 |
} |
} |
| 175 |
|
} |
| 176 |
} |
} |
| 177 |
|
|
| 178 |
// figure out mime last |
for ($i = 0; $i < count($fi["ranges"]); $i++) { |
| 179 |
$fi["mime"] = ""; |
if (($fi["ranges"][$i]["start"] < 0) |
| 180 |
if (is_callable($mimeOverride)) $fi["mime"] = $mimeOverride(basename($filename)); |
|| ($fi["ranges"][$i]["stop"] >= $fi["size"])) { |
| 181 |
if (empty($fi["mime"])) |
$fi["ranges"] = array(); |
| 182 |
{ |
break; |
| 183 |
if (function_exists("mime_content_type")) $fi["mime"] = mime_content_type($filename); |
} |
| 184 |
} |
} |
| 185 |
if (!preg_match("#^(\w*)/(\w*)$#i", $fi["mime"])) $fi["mime"] = "application/octet-stream"; |
|
| 186 |
|
if (count($fi["ranges"]) == 0) { // no valid ranges specified |
| 187 |
// send headers |
header("HTTP/1.1 416 Requested range not satisfiable"); |
| 188 |
|
header("Content-Range: bytes */".$fi["size"]); |
| 189 |
if (count($fi["ranges"]) > 0) |
return true; |
| 190 |
{ |
} |
| 191 |
header("HTTP/1.1 206 Partial content"); |
} |
| 192 |
if (count($fi["ranges"]) == 1) |
|
| 193 |
{ |
if ($_SERVER["HTTP_IF_MODIFIED_SINCE"]) { |
| 194 |
header("Content-Range: bytes ".$fi["ranges"][0]["start"]."-".$fi["ranges"][0]["stop"]."/".$fi["size"]); |
if ($fi["time"] > strftime($_SERVER["HTTP_IF_MODIFIED_SINCE"])) { |
| 195 |
header("Content-Length: ".$fi["ranges"][0]["count"]); |
header("HTTP/1.1 304 Not Modified"); |
| 196 |
} |
$__fr_reporting_leech = false; // disable watchdog reporting |
| 197 |
else { |
return true; |
| 198 |
$byteRangeBoundary = "_BYTE_RANGE_".md5(microtime()); |
} |
| 199 |
header("Content-Type: multipart/byteranges; boundary=".$byteRangeBoundary); |
} |
| 200 |
} |
|
| 201 |
|
// figure out mime last |
| 202 |
|
$fi["mime"] = ""; |
| 203 |
|
if (is_callable($mimeOverride)) $fi["mime"] = $mimeOverride(basename($filename)); |
| 204 |
|
if (empty($fi["mime"])) { |
| 205 |
|
if (function_exists("mime_content_type")) $fi["mime"] = mime_content_type($filename); |
| 206 |
|
} |
| 207 |
|
if (!preg_match("#^(\w*)/(\w*)$#i", $fi["mime"])) $fi["mime"] = "application/octet-stream"; |
| 208 |
|
|
| 209 |
|
// send headers |
| 210 |
|
|
| 211 |
|
if (count($fi["ranges"]) > 0) { |
| 212 |
|
header("HTTP/1.1 206 Partial content"); |
| 213 |
|
if (count($fi["ranges"]) == 1) { |
| 214 |
|
header("Content-Range: bytes ".$fi["ranges"][0]["start"]."-".$fi["ranges"][0]["stop"]."/".$fi["size"]); |
| 215 |
|
header("Content-Length: ".$fi["ranges"][0]["count"]); |
| 216 |
} |
} |
| 217 |
else { |
else { |
| 218 |
header("HTTP/1.1 200 Ok"); |
$byteRangeBoundary = "_BYTE_RANGE_".md5(microtime()); |
| 219 |
header("Content-Length: ".$fi["size"]); |
header("Content-Type: multipart/byteranges; boundary=".$byteRangeBoundary); |
| 220 |
} |
} |
| 221 |
|
} |
| 222 |
|
else { |
| 223 |
|
header("HTTP/1.1 200 Ok"); |
| 224 |
|
if (!$do_watermark) header("Content-Length: ".$fi["size"]); // we don't know the final size when watermarking |
| 225 |
|
} |
| 226 |
|
|
| 227 |
|
if (!$do_watermark) header("Accept-Ranges: bytes"); |
| 228 |
|
if (count($fi["ranges"]) <= 1) header("Content-Type: ".$fi["mime"]); |
| 229 |
|
/*if (!$do_watermark)*/ header("Last-Modified: ".gmdate("D, d M Y H:i:s \G\M\T", $fi["time"])); |
| 230 |
|
header("Content-Disposition: ".$contentDisposition."; filename=\"".$fi["name"]."\""); |
| 231 |
|
|
| 232 |
|
// encode text files when accepted |
| 233 |
|
if (USE_GZIP && preg_match("#^text/#i", $fi["mime"]) && extension_loaded("zlib") |
| 234 |
|
&& in_array("gzip", explode(",", $_SERVER["HTTP_ACCEPT_ENCODING"]))) { |
| 235 |
|
ob_start("ob_gzhandler"); |
| 236 |
|
ob_implicit_flush(false); // content length header needs to be updated |
| 237 |
|
} |
| 238 |
|
|
| 239 |
|
if ($_SERVER["REQUEST_METHOD"] == "HEAD") return true; // no body for you |
| 240 |
|
|
| 241 |
|
if ($do_watermark) { |
| 242 |
|
header("Expires: ".gmdate("D, d M Y H:i:s \G\M\T", mktime()+900)); // expire watermark in 15 minutes |
| 243 |
|
header("X-Watermarked: true"); |
| 244 |
|
return __fr_add_watermark($filename, $watermark); |
| 245 |
|
} |
| 246 |
|
|
| 247 |
|
$fp = fopen($filename, "rb"); |
| 248 |
|
if (!$fp) { |
| 249 |
|
header("HTTP/1.1 500 Internal Server Error"); |
| 250 |
|
echo "Unable to open file for reading."; |
| 251 |
|
return true; |
| 252 |
|
} |
| 253 |
|
|
| 254 |
header("Accept-Ranges: bytes"); |
if (count($fi["ranges"]) == 0) { |
| 255 |
if (count($fi["ranges"]) <= 1) header("Content-Type: ".$fi["mime"]); |
while (!connection_status() && !feof($fp)) { |
| 256 |
header("Last-Modified: ".date("r", $fi["time"])); |
echo fread($fp, READBUFFER_SIZE); |
| 257 |
header("Content-Disposition: ".$contentDisposition."; filename=\"".(basename($fi["path"]))."\""); |
} |
| 258 |
|
} |
| 259 |
// encode text files when accepted |
else if (count($fi["ranges"]) == 1) { |
| 260 |
if (USE_GZIP && preg_match("#^text/#i", $fi["mime"]) && extension_loaded("zlib") |
fseek($fp, $fi["ranges"][0]["start"], SEEK_SET); |
| 261 |
&& in_array("gzip", explode(",", $_SERVER["HTTP_ACCEPT_ENCODING"]))) |
while (!connection_status() && (ftell($fp) <= $fi["ranges"][0]["stop"]-READBUFFER_SIZE)) { |
| 262 |
{ |
echo fread($fp, READBUFFER_SIZE); |
| 263 |
ob_start("ob_gzhandler"); |
} |
| 264 |
ob_implicit_flush(false); // content length header needs to be updated |
if ($fi["ranges"][0]["stop"]-ftell($fp) > 1) echo fread($fp, $fi["ranges"][0]["stop"]-ftell($fp)+1); |
| 265 |
} |
} |
| 266 |
|
else { |
| 267 |
if ($_SERVER["REQUEST_METHOD"] == "HEAD") return true; // no body for you |
for ($i = 0; $i < count($fi["ranges"]); $i++) { |
| 268 |
|
echo "\r\n"; |
| 269 |
$fp = fopen($filename, "rb"); |
echo "--".$byteRangeBoundary."\r\n"; |
| 270 |
if (!$fp) |
echo "Content-Type: ".$fi["mime"]."\r\n"; |
| 271 |
{ |
echo "Content-Range: bytes ".$fi["ranges"][$i]["start"]."-".$fi["ranges"][$i]["stop"]."/".$fi["size"]."\r\n"; |
| 272 |
header("HTTP/1.1 500 Internal Server Error"); |
echo "Content-Disposition: ".$contentDisposition."; filename=".$fi["name"]."\r\n"; |
| 273 |
echo "Unable to open file for reading."; |
echo "\r\n"; |
| 274 |
return true; |
|
| 275 |
} |
fseek($fp, $fi["ranges"][$i]["start"], SEEK_SET); |
| 276 |
|
while (!connection_status() && (ftell($fp) <= $fi["ranges"][$i]["stop"]-READBUFFER_SIZE)) { |
| 277 |
if (count($fi["ranges"]) == 0) |
echo fread($fp, READBUFFER_SIZE); |
| 278 |
{ |
} |
| 279 |
while (!connection_status() && !feof($fp)) |
if ($fi["ranges"][$i]["stop"]-ftell($fp) > 1) echo fread($fp, $fi["ranges"][$i]["stop"]-ftell($fp)+1); |
| 280 |
{ |
} |
| 281 |
echo fread($fp, READBUFFER_SIZE); |
echo "\r\n"; |
| 282 |
} |
echo "--".$byteRangeBoundary."--"; |
| 283 |
} |
} |
| 284 |
else if (count($fi["ranges"]) == 1) |
|
| 285 |
{ |
fclose($fp); |
| 286 |
fseek($fp, $fi["ranges"][0]["start"], SEEK_SET); |
return true; |
| 287 |
while (!connection_status() && (ftell($fp) <= $fi["ranges"][0]["stop"]-READBUFFER_SIZE)) |
} |
| 288 |
{ |
|
| 289 |
echo fread($fp, READBUFFER_SIZE); |
|
| 290 |
} |
function __fr_imagetruecolortopalette_ex( $image, $dither, $ncolors ) |
| 291 |
if ($fi["ranges"][0]["stop"]-ftell($fp) > 1) echo fread($fp, $fi["ranges"][0]["stop"]-ftell($fp)+1); |
{ |
| 292 |
|
if (function_exists('imagecolormatch')) { |
| 293 |
|
$width = imagesx( $image ); |
| 294 |
|
$height = imagesy( $image ); |
| 295 |
|
$colors_handle = ImageCreateTrueColor( $width, $height ); |
| 296 |
|
ImageCopyMerge( $colors_handle, $image, 0, 0, 0, 0, $width, $height, 100 ); |
| 297 |
|
} |
| 298 |
|
ImageTrueColorToPalette( $image, $dither, $ncolors ); |
| 299 |
|
if (function_exists('imagecolormatch')) { |
| 300 |
|
ImageColorMatch( $colors_handle, $image ); |
| 301 |
|
ImageDestroy( $colors_handle ); |
| 302 |
|
} |
| 303 |
|
} |
| 304 |
|
|
| 305 |
|
/* |
| 306 |
|
Source of this routine: |
| 307 |
|
http://www.php.net/manual/en/function.imagecopymerge.php |
| 308 |
|
|
| 309 |
|
slightly modified |
| 310 |
|
*/ |
| 311 |
|
|
| 312 |
|
function __fr_add_watermark($sourcefile, $watermarkfile) { |
| 313 |
|
# |
| 314 |
|
# $sourcefile = Filename of the picture to be watermarked. |
| 315 |
|
# $watermarkfile = Filename of the 24-bit PNG watermark file. |
| 316 |
|
# |
| 317 |
|
|
| 318 |
|
//Get the resource ids of the pictures |
| 319 |
|
$watermarkfile_id = imagecreatefrompng($watermarkfile); |
| 320 |
|
|
| 321 |
|
imageAlphaBlending($watermarkfile_id, false); |
| 322 |
|
imageSaveAlpha($watermarkfile_id, true); |
| 323 |
|
|
| 324 |
|
$fileType = getimagesize($sourcefile); |
| 325 |
|
|
| 326 |
|
switch($fileType[2]) { |
| 327 |
|
case 1: |
| 328 |
|
$sourcefile_id = imagecreatefromgif($sourcefile); |
| 329 |
|
break; |
| 330 |
|
|
| 331 |
|
case 2: |
| 332 |
|
$sourcefile_id = imagecreatefromjpeg($sourcefile); |
| 333 |
|
break; |
| 334 |
|
|
| 335 |
|
case 3: |
| 336 |
|
$sourcefile_id = imagecreatefrompng($sourcefile); |
| 337 |
|
break; |
| 338 |
|
|
| 339 |
|
} |
| 340 |
|
|
| 341 |
|
//Get the sizes of both pix |
| 342 |
|
$sourcefile_width=imageSX($sourcefile_id); |
| 343 |
|
$sourcefile_height=imageSY($sourcefile_id); |
| 344 |
|
$watermarkfile_width=imageSX($watermarkfile_id); |
| 345 |
|
$watermarkfile_height=imageSY($watermarkfile_id); |
| 346 |
|
|
| 347 |
|
$dest_x = ( $sourcefile_width / 2 ) - ( $watermarkfile_width / 2 ); |
| 348 |
|
$dest_y = ( $sourcefile_height / 2 ) - ( $watermarkfile_height / 2 ); |
| 349 |
|
|
| 350 |
|
$upsampled = 0; |
| 351 |
|
|
| 352 |
|
// if a gif, we have to upsample it to a truecolor image |
| 353 |
|
if(UPSAMPLE_PALLET && !imageistruecolor($sourcefile_id)) { |
| 354 |
|
// create an empty truecolor container |
| 355 |
|
$tempimage = imagecreatetruecolor($sourcefile_width, $sourcefile_height); |
| 356 |
|
|
| 357 |
|
$upsampled = imagecolorstotal($sourcefile_id); |
| 358 |
|
|
| 359 |
|
// copy the 8-bit gif into the truecolor image |
| 360 |
|
imagecopy($tempimage, $sourcefile_id, 0, 0, 0, 0, $sourcefile_width, $sourcefile_height); |
| 361 |
|
imagedestroy($sourcefile_id); |
| 362 |
|
|
| 363 |
|
// copy the source_id int |
| 364 |
|
$sourcefile_id = $tempimage; |
| 365 |
|
} |
| 366 |
|
|
| 367 |
|
imagecopy($sourcefile_id, $watermarkfile_id, $dest_x, $dest_y, 0, 0, $watermarkfile_width, $watermarkfile_height); |
| 368 |
|
|
| 369 |
|
if ($upsampled) { |
| 370 |
|
if (DOWNSAMPLE_TO_ORIGIN && function_exists('imagetruecolortopalette')) { |
| 371 |
|
__fr_imagetruecolortopalette_ex($sourcefile_id, true, 256); |
| 372 |
} |
} |
| 373 |
else { |
else { |
| 374 |
for ($i = 0; $i < count($fi["ranges"]); $i++) |
$fileType[2] = 2; // force to JPEG to reduce size |
|
{ |
|
|
echo "\r\n"; |
|
|
echo "--".$byteRangeBoundary."\r\n"; |
|
|
echo "Content-Type: ".$fi["mime"]."\r\n"; |
|
|
echo "Content-Range: bytes ".$fi["ranges"][$i]["start"]."-".$fi["ranges"][$i]["stop"]."/".$fi["size"]."\r\n"; |
|
|
echo "Content-Disposition: ".$contentDisposition."; filename=".basename($fi["path"])."\r\n"; |
|
|
echo "\r\n"; |
|
|
|
|
|
fseek($fp, $fi["ranges"][$i]["start"], SEEK_SET); |
|
|
while (!connection_status() && (ftell($fp) <= $fi["ranges"][$i]["stop"]-READBUFFER_SIZE)) |
|
|
{ |
|
|
echo fread($fp, READBUFFER_SIZE); |
|
|
} |
|
|
if ($fi["ranges"][$i]["stop"]-ftell($fp) > 1) echo fread($fp, $fi["ranges"][$i]["stop"]-ftell($fp)+1); |
|
|
} |
|
|
echo "\r\n"; |
|
|
echo "--".$byteRangeBoundary."--"; |
|
| 375 |
} |
} |
| 376 |
|
} |
| 377 |
|
|
| 378 |
fclose($fp); |
//Create a jpeg out of the modified picture |
| 379 |
return true; |
switch($fileType[2]) { |
| 380 |
|
|
| 381 |
|
// remember we don't need gif any more, so we use only png or jpeg. |
| 382 |
|
// See the upsaple code immediately above to see how we handle gifs |
| 383 |
|
case 3: |
| 384 |
|
header("Content-type: image/png"); |
| 385 |
|
imagepng ($sourcefile_id); |
| 386 |
|
break; |
| 387 |
|
|
| 388 |
|
case 1: |
| 389 |
|
if (imagetypes() & IMG_GIF) { |
| 390 |
|
header("Content-type: image/gif"); |
| 391 |
|
imagegif ($sourcefile_id); |
| 392 |
|
break; |
| 393 |
|
} |
| 394 |
|
|
| 395 |
|
default: |
| 396 |
|
header("Content-type: image/jpg"); |
| 397 |
|
imagejpeg ($sourcefile_id); |
| 398 |
|
} |
| 399 |
|
|
| 400 |
|
imagedestroy($sourcefile_id); |
| 401 |
|
imagedestroy($watermarkfile_id); |
| 402 |
} |
} |
|
|
|
|
?> |
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