### Validate avatar extension
$extension = Functions::GetExtension($_FILES['upload']['name']);
if (!in_array($extension, array('gif', 'png', 'jpg', 'jpeg'))) {
throw new Exception(Language::GetText('error_uploadify_extension'));
}
### Validate image data
$handle = fopen($_FILES['upload']['tmp_name'], 'r');
$image_data = fread($handle, filesize($_FILES['upload']['tmp_name']));
if (!@imagecreatefromstring($image_data)) {
throw new Exception(Language::GetText('error_uploadify_extension'));
}
### Change permissions on avatar & delete previous IF/APP
try {
Filesystem::Open();
$avatar_path = UPLOAD_PATH . '/avatars';
$save_as = Avatar::CreateFilename($extension);
Avatar::SaveAvatar($_FILES['upload']['tmp_name'], $extension, $save_as);
// Check for existing avatar
if (!empty($user->avatar)) {
Avatar::Delete($user->avatar);
}
Filesystem::SetPermissions("{$avatar_path}/{$save_as}", 0644);
Filesystem::Close();
} catch (Exception $e) {
App::Alert('Error During Avatar Upload', $e->getMessage());
throw new Exception(Language::GetText('error_uploadify_system', array('host' => HOST)));
}
### Update User
$user->Update(array('avatar' => $save_as));
Plugin::Trigger('update_profile.update_avatar');
// Output success message
