cuqmbr/single_php_filehost
1
0
Fork 0
mirror of https://github.com/Rouji/single_php_filehost.git synced 2025-04-05 00:49:33 +00:00
Code

Add exif stripping

Browse Source
This commit is contained in:
Casper 2024-06-10 08:25:45 +05:00 committed by GitHub
parent 561d44cdde
commit 02465b6824
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 42 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
index.php
View File

@ -19,6 +19,8 @@ class CONFIG
const FORCE_HTTPS = false; //force generated links to be https://
const ADMIN_EMAIL = 'admin@example.com'; //address for inquiries
const STRIP_EXIF = true;
const IMG_EXT = ['png', 'jpg', 'jpeg', 'gif'];
public static function SITE_URL() : string
{
@ -30,6 +32,11 @@ class CONFIG
{
return CONFIG::SITE_URL().$_SERVER['REQUEST_URI'];
}
public static function IMAGICK_AVAILABLE() : bool
{
return extension_loaded('imagick');
}
};
@ -97,6 +104,24 @@ function ext_by_finfo(string $path) : string
return '';
}
function autoRotateImage($image)
{
$orientation = $image->getImageOrientation();
switch($orientation) {
case imagick::ORIENTATION_BOTTOMRIGHT:
$image->rotateimage("#000", 180); // rotate 180 degrees
break;
case imagick::ORIENTATION_RIGHTTOP:
$image->rotateimage("#000", 90); // rotate 90 degrees CW
break;
case imagick::ORIENTATION_LEFTBOTTOM:
$image->rotateimage("#000", -90); // rotate 90 degrees CCW
break;
}
// Now that it's auto-rotated, make sure the EXIF data is correct in case the EXIF gets saved with the image!
$image->setImageOrientation(imagick::ORIENTATION_TOPLEFT);
}
// store an uploaded file, given its name and temporary path (e.g. values straight out of $_FILES)
// files are stored wit a randomised name, but with their original extension
//
@ -132,6 +157,19 @@ function store_file(string $name, string $tmpfile, bool $formatted = false) : vo
$ext = ext_by_finfo($tmpfile);
}
$ext = substr($ext, 0, CONFIG::MAX_EXT_LEN);
if (CONFIG::STRIP_EXIF && CONFIG::IMAGICK_AVAILABLE() && in_array(strtolower($ext),CONFIG::IMG_EXT))
{
$img = new Imagick($tmpfile);
$profiles = $img->getImageProfiles("icc", true);
autoRotateImage($img);
$img->stripImage();
if(!empty($profiles)) {
$img->profileImage("icc", $profiles['icc']);
}
$img->writeImage($tmpfile);
}
$tries_per_len=3; //try random names a few times before upping the length
$id_length=CONFIG::MIN_ID_LENGTH;
@ -304,6 +342,7 @@ function print_index() : void
$max_age = CONFIG::MAX_FILEAGE;
$mail = CONFIG::ADMIN_EMAIL;
$max_id_length = CONFIG::MAX_ID_LENGTH;
$exif = (CONFIG::IMAGICK_AVAILABLE() ? 'EXIF stripping supported: ' . (CONFIG::STRIP_EXIF ? 'enabled' : 'disabled') : 'EXIF stripping NOT supported, not enabled');
$length_info = "\nTo use a longer file ID (up to $max_id_length characters), add -F id_length=<number>\n";
if (CONFIG::MIN_ID_LENGTH == CONFIG::MAX_ID_LENGTH)
@ -343,6 +382,9 @@ selection input.)
</form>
<pre>
=== PHP Modules ===
$exif
=== File Sizes etc. ===
The maximum allowed file size is $max_size MiB.