1. <?php
  3. class FrontendUploadField extends UploadField {
  4. public function __construct($name, $title = null, SS_List $items = null) {
  5. parent::__construct($name, $title, $items);
  6. $this->setConfig('autoUpload', true)
  7. ->setConfig('canAttachExisting', false)
  8. ->setConfig('canPreviewFolder', false)
  9. ->setConfig('changeDetection', false)
  10. ->setTemplateFileButtons('FrontendUploadField_FileButtons');
  11. $this->getUpload()->setReplaceFile(false);
  12. }
  14. protected function saveTemporaryFile($tmpFile, &$error = null) {
  15. // Determine container object
  16. $error = null;
  17. $fileObject = new ImageExtended();
  19. if (empty($tmpFile)) {
  20. $error = _t('UploadField.FIELDNOTSET', 'File information not found');
  21. return null;
  22. }
  23. if($tmpFile['error']) {
  24. $error = $tmpFile['error'];
  25. return null;
  26. }
  28. // prefix with unique id to avoid file name conflicts
  29. $title = $tmpFile['name'];
  30. $tmpFile['name'] = uniqid('', true) . $tmpFile['name'];
  32. // Allow replacing files (rather than renaming a duplicate) when warning about overwrites
  33. if($this->getConfig('overwriteWarning')) {
  34. $this->upload->setReplaceFile(true);
  35. }
  37. // Get the uploaded file into a new file object.
  38. try {
  39. $this->upload->loadIntoFile($tmpFile, $fileObject, $this->getFolderName());
  40. } catch (Exception $e) {
  41. // we shouldn't get an error here, but just in case
  42. $error = $e->getMessage();
  43. return null;
  44. }
  46. // Check if upload field has an error
  47. if ($this->upload->isError()) {
  48. $error = implode(' ' . PHP_EOL, $this->upload->getErrors());
  49. return null;
  50. }
  52. // return file
  53. $fileObject = $this->upload->getFile();
  54. // reset the title to the original title (otherwise it would contain the uid we have prepended the filename earlier)
  55. $fileObject->Title = $title;
  56. $fileObject->write();
  57. return $fileObject;
  58. }
  60. public function attach(SS_HTTPRequest $request) {
  61. return $this->httpError(403);
  62. }
  64. public function handleItem(SS_HTTPRequest $request) {
  65. return $this->httpError(403);
  66. }
  68. public function handleSelect(SS_HTTPRequest $request) {
  69. return $this->httpError(403);
  70. }
  71. }