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Remove image meta data

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- Reading the image and resaving it the image metadata is removed.
- This meta data is removed to protect privacy
This commit is contained in:
FusionPBX
2024-08-22 15:12:03 -06:00
committed by GitHub
parent 2cbb4dbc31
commit a5f153d419
1 changed files with 79 additions and 43 deletions
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122
app/contacts/contact_attachment_edit.php
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@@ -17,7 +17,7 @@
The Initial Developer of the Original Code is
Mark J Crane <markjcrane@fusionpbx.com>
Portions created by the Initial Developer are Copyright (C) 2008-2023
Portions created by the Initial Developer are Copyright (C) 2008-2024
the Initial Developer. All Rights Reserved.
Contributor(s):
@@ -55,18 +55,20 @@
//get http post variables and set them to php variables
if (!empty($_POST)) {
//set the variables
$attachment = $_FILES['attachment'];
$attachment_primary = $_POST['attachment_primary'];
$attachment_description = $_POST['attachment_description'];
//validate the token
$token = new token;
if (!$token->validate($_SERVER['PHP_SELF'])) {
message::add($text['message-invalid_token'],'negative');
header('Location: contacts.php');
exit;
}
$token = new token;
if (!$token->validate($_SERVER['PHP_SELF'])) {
message::add($text['message-invalid_token'],'negative');
header('Location: contacts.php');
exit;
}
//get the attachment type
if (empty($attachment) || sizeof($attachment) == 0) {
$attachment_type = strtolower(pathinfo($_POST['attachment_filename'], PATHINFO_EXTENSION));
}
@@ -75,48 +77,82 @@
}
//unflag others as primary
$allowed_primary_attachment = false;
if ($attachment_primary && ($attachment_type == 'jpg' || $attachment_type == 'jpeg' || $attachment_type == 'gif' || $attachment_type == 'png')) {
$sql = "update v_contact_attachments set attachment_primary = 0 ";
$sql .= "where domain_uuid = :domain_uuid ";
$sql .= "and contact_uuid = :contact_uuid ";
$parameters['domain_uuid'] = $domain_uuid;
$parameters['contact_uuid'] = $contact_uuid;
$database = new database;
$database->execute($sql, $parameters ?? null);
unset($sql, $parameters);
$allowed_primary_attachment = false;
if ($attachment_primary && ($attachment_type == 'jpg' || $attachment_type == 'jpeg' || $attachment_type == 'gif' || $attachment_type == 'png')) {
$sql = "update v_contact_attachments set attachment_primary = 0 ";
$sql .= "where domain_uuid = :domain_uuid ";
$sql .= "and contact_uuid = :contact_uuid ";
$parameters['domain_uuid'] = $domain_uuid;
$parameters['contact_uuid'] = $contact_uuid;
$database = new database;
$database->execute($sql, $parameters ?? null);
unset($sql, $parameters);
$allowed_primary_attachment = true;
}
$allowed_primary_attachment = true;
}
//format array
$allowed_extensions = array_keys(json_decode($_SESSION['contact']['allowed_attachment_types']['text'], true));
$array['contact_attachments'][0]['contact_attachment_uuid'] = $action == 'update' ? $contact_attachment_uuid : uuid();
$array['contact_attachments'][0]['domain_uuid'] = $_SESSION['domain_uuid'] ?? '';
$array['contact_attachments'][0]['contact_uuid'] = $contact_uuid;
$array['contact_attachments'][0]['attachment_primary'] = $allowed_primary_attachment ? 1 : 0;
if ($attachment['error'] == '0' && in_array(strtolower(pathinfo($attachment['name'], PATHINFO_EXTENSION)), $allowed_extensions)) {
$array['contact_attachments'][0]['attachment_filename'] = $attachment['name'];
$array['contact_attachments'][0]['attachment_content'] = base64_encode(file_get_contents($attachment['tmp_name']));
}
$array['contact_attachments'][0]['attachment_description'] = $attachment_description;
if ($action == 'add') {
$array['contact_attachments'][0]['attachment_uploaded_date'] = 'now()';
$array['contact_attachments'][0]['attachment_uploaded_user_uuid'] = $_SESSION['user_uuid'];
//get the allowed extensions
$allowed_extensions = array_keys(json_decode($_SESSION['contact']['allowed_attachment_types']['text'], true));
//get the attachment extension
$attachment_extension = strtolower(pathinfo($attachment['name'], PATHINFO_EXTENSION));
//check the allowed extensions
if ($attachment['error'] == '0' && in_array($attachment_extension, $allowed_extensions)) {
//get the attachment content
$attachment_content = file_get_contents($attachment['tmp_name']);
//list of image extensions
$image_extensions = array('png','jpg','jpeg','gif','bmp', 'webp');
//read the image from the string then output the image without meta data
if (in_array($attachment_extension, $image_extensions)) {
//create the image object from the content string
$image = imagecreatefromstring($attachment_content);
//start output buffering to capture the image data
ob_start();
//output the image without the EXIF data
imagepng($image);
//get the image from the buffer
$attachment_content = ob_get_contents();
//end the buffering
ob_end_clean();
//free up the memory
imagedestroy($image);
}
}
//prepare the array
$array['contact_attachments'][0]['contact_attachment_uuid'] = $action == 'update' ? $contact_attachment_uuid : uuid();
$array['contact_attachments'][0]['domain_uuid'] = $_SESSION['domain_uuid'] ?? '';
$array['contact_attachments'][0]['contact_uuid'] = $contact_uuid;
$array['contact_attachments'][0]['attachment_primary'] = $allowed_primary_attachment ? 1 : 0;
if ($attachment['error'] == '0' && in_array(strtolower(pathinfo($attachment['name'], PATHINFO_EXTENSION)), $allowed_extensions)) {
$array['contact_attachments'][0]['attachment_filename'] = $attachment['name'];
$array['contact_attachments'][0]['attachment_content'] = base64_encode($attachment_content);
}
$array['contact_attachments'][0]['attachment_description'] = $attachment_description;
if ($action == 'add') {
$array['contact_attachments'][0]['attachment_uploaded_date'] = 'now()';
$array['contact_attachments'][0]['attachment_uploaded_user_uuid'] = $_SESSION['user_uuid'];
}
//save data
$database = new database;
$database->app_name = 'contacts';
$database->app_uuid = '04481e0e-a478-c559-adad-52bd4174574c';
$database->save($array);
unset($array);
$database = new database;
$database->app_name = 'contacts';
$database->app_uuid = '04481e0e-a478-c559-adad-52bd4174574c';
$database->save($array);
unset($array);
//redirect
message::add($text['message-'.($action == 'update' ? 'update' : 'uploaded')]);
header('Location: contact_edit.php?id='.$contact_uuid);
exit;
message::add($text['message-'.($action == 'update' ? 'update' : 'uploaded')]);
header('Location: contact_edit.php?id='.$contact_uuid);
exit;
}
//get form data
@@ -240,4 +276,4 @@
//include the footer
require_once "resources/footer.php";
?>
?>