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<?php
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/**
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* @file
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* Webform module file component.
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*/
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/**
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* Implements _webform_defaults_component().
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*/
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function _webform_defaults_file() {
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// If private file storage is enabled, make it the default for security
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// reasons. See: https://www.drupal.org/psa-2016-003
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$available_schemes = file_get_stream_wrappers(STREAM_WRAPPERS_WRITE_VISIBLE);
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$scheme = isset($available_schemes['private']) ? 'private' : 'public';
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return array(
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'name' => '',
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'form_key' => NULL,
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'required' => 0,
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'pid' => 0,
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'weight' => 0,
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'extra' => array(
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'filtering' => array(
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'types' => array('gif', 'jpg', 'png'),
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'addextensions' => '',
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'size' => '2 MB',
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),
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'rename' => '',
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'scheme' => $scheme,
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'directory' => '',
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'progress_indicator' => 'throbber',
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'title_display' => 0,
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'description' => '',
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'description_above' => FALSE,
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'attributes' => array(),
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'private' => FALSE,
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'analysis' => FALSE,
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),
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);
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}
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/**
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* Implements _webform_theme_component().
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*/
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function _webform_theme_file() {
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return array(
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'webform_edit_file_extensions' => array(
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'render element' => 'element',
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'file' => 'components/file.inc',
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),
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'webform_display_file' => array(
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'render element' => 'element',
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'file' => 'components/file.inc',
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),
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'webform_managed_file' => array(
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'render element' => 'element',
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'file' => 'components/file.inc',
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),
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);
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}
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/**
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* Implements _webform_edit_component().
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*/
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function _webform_edit_file($component) {
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$form = array();
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$form['#element_validate'] = array('_webform_edit_file_check_directory');
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$form['#after_build'] = array('_webform_edit_file_check_directory');
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$form['validation']['size'] = array(
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'#type' => 'textfield',
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'#title' => t('Max upload size'),
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'#default_value' => $component['extra']['filtering']['size'],
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'#description' => t('Enter the max file size a user may upload such as 2 MB or 800 KB. Your server has a max upload size of @size.', array('@size' => format_size(file_upload_max_size()))),
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'#size' => 10,
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'#parents' => array('extra', 'filtering', 'size'),
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'#element_validate' => array('_webform_edit_file_size_validate'),
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'#weight' => 1,
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);
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$form['validation']['extensions'] = array(
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'#element_validate' => array('_webform_edit_file_extensions_validate'),
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'#parents' => array('extra', 'filtering'),
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'#theme' => 'webform_edit_file_extensions',
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'#theme_wrappers' => array('form_element'),
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'#title' => t('Allowed file extensions'),
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'#attached' => array(
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'js' => array(drupal_get_path('module', 'webform') . '/js/webform-admin.js'),
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'css' => array(drupal_get_path('module', 'webform') . '/css/webform-admin.css'),
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),
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'#type' => 'webform_file_extensions',
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'#weight' => 2,
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);
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// Find the list of all currently valid extensions.
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$current_types = isset($component['extra']['filtering']['types']) ? $component['extra']['filtering']['types'] : array();
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$types = array('gif', 'jpg', 'png');
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$form['validation']['extensions']['types']['webimages'] = array(
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'#type' => 'checkboxes',
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'#title' => t('Web images'),
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'#options' => drupal_map_assoc($types),
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'#default_value' => array_intersect($current_types, $types),
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);
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$types = array('bmp', 'eps', 'tif', 'pict', 'psd');
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$form['validation']['extensions']['types']['desktopimages'] = array(
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'#type' => 'checkboxes',
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'#title' => t('Desktop images'),
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'#options' => drupal_map_assoc($types),
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'#default_value' => array_intersect($current_types, $types),
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);
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$types = array('txt', 'rtf', 'html', 'pdf', 'doc', 'docx', 'odt', 'ppt', 'pptx', 'odp', 'xls', 'xlsx', 'ods', 'xml');
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$form['validation']['extensions']['types']['documents'] = array(
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'#type' => 'checkboxes',
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'#title' => t('Documents'),
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'#options' => drupal_map_assoc($types),
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'#default_value' => array_intersect($current_types, $types),
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);
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$types = array('avi', 'mov', 'mp3', 'ogg', 'wav');
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$form['validation']['extensions']['types']['media'] = array(
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'#type' => 'checkboxes',
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'#title' => t('Media'),
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'#options' => drupal_map_assoc($types),
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'#default_value' => array_intersect($current_types, $types),
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);
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$types = array('bz2', 'dmg', 'gz', 'jar', 'rar', 'sit', 'tar', 'zip');
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$form['validation']['extensions']['types']['archives'] = array(
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'#type' => 'checkboxes',
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'#title' => t('Archives'),
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'#options' => drupal_map_assoc($types),
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'#default_value' => array_intersect($current_types, $types),
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);
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$form['validation']['extensions']['addextensions'] = array(
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'#type' => 'textfield',
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'#title' => t('Additional extensions'),
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'#default_value' => $component['extra']['filtering']['addextensions'],
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'#description' => t('Enter a list of additional file extensions for this upload field, separated by commas.<br /> Entered extensions will be appended to checked items above.'),
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'#size' => 20,
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'#weight' => 3,
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);
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$scheme_options = array();
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foreach (file_get_stream_wrappers(STREAM_WRAPPERS_WRITE_VISIBLE) as $scheme => $stream_wrapper) {
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$scheme_options[$scheme] = $stream_wrapper['name'];
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}
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$form['extra']['scheme'] = array(
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'#type' => 'radios',
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'#title' => t('Upload destination'),
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'#options' => $scheme_options,
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'#default_value' => $component['extra']['scheme'],
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'#description' => t('Public files upload destination is dangerous for forms that are available to anonymous and/or untrusted users. For more information, see <a href="@psa">DRUPAL-PSA-2016-003</a>.', array('@psa' => 'https://www.drupal.org/psa-2016-003')),
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'#weight' => 4,
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'#access' => count($scheme_options) > 1,
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);
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$form['extra']['directory'] = array(
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'#type' => 'textfield',
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'#title' => t('Upload directory'),
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'#default_value' => $component['extra']['directory'],
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'#description' => t('You may optionally specify a sub-directory to store your files.') . ' ' . theme('webform_token_help'),
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'#weight' => 5,
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'#field_prefix' => 'webform/',
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);
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$form['extra']['rename'] = array(
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'#type' => 'textfield',
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'#title' => t('Rename files'),
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'#default_value' => $component['extra']['rename'],
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'#description' => t('You may optionally use tokens to create a pattern used to rename files upon submission. Omit the extension; it will be added automatically.') . ' ' . theme('webform_token_help', array('groups' => array('node', 'submission'))),
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'#weight' => 6,
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'#element_validate' => array('_webform_edit_file_rename_validate'),
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'#access' => webform_variable_get('webform_token_access'),
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);
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$form['display']['progress_indicator'] = array(
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'#type' => 'radios',
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'#title' => t('Progress indicator'),
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'#options' => array(
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'throbber' => t('Throbber'),
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'bar' => t('Bar with progress meter'),
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),
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'#default_value' => $component['extra']['progress_indicator'],
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'#description' => t('The throbber display does not show the status of uploads but takes up less space. The progress bar is helpful for monitoring progress on large uploads.'),
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'#weight' => 16,
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'#access' => file_progress_implementation(),
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'#parents' => array('extra', 'progress_indicator'),
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);
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// @todo: Make managed_file respect the "size" parameter.
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/*
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$form['display']['width'] = array(
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'#type' => 'textfield',
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'#title' => t('Width'),
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'#default_value' => $component['extra']['width'],
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'#description' => t('Width of the file field.') . ' ' .
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t('Leaving blank will use the default size.'),
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'#size' => 5,
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'#maxlength' => 10,
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'#weight' => 4,
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'#parents' => array('extra', 'width')
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);
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*/
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return $form;
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}
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/**
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* Form API validator ensures rename string is empty or contains one token.
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*
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* A Form API element validate function to ensure that the rename string is
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* either empty or contains at least one token.
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*/
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function _webform_edit_file_rename_validate($element, &$form_state, $form) {
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$rename = trim($form_state['values']['extra']['rename']);
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form_set_value($element, $rename, $form_state);
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if (strlen($rename) && !count(token_scan($rename))) {
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form_error($element, t('To create unique file names, use at least one token in the file name pattern.'));
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}
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}
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/**
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* A Form API element validate function to check filesize is valid.
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*/
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function _webform_edit_file_size_validate($element) {
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if (!empty($element['#value'])) {
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$set_filesize = parse_size($element['#value']);
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if ($set_filesize == FALSE) {
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form_error($element, t('File size @value is not a valid file size. Use a value such as 2 MB or 800 KB.', array('@value' => $element['#value'])));
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}
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else {
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$max_filesize = parse_size(file_upload_max_size());
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if ($max_filesize < $set_filesize) {
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form_error($element, t('An upload size of @value is too large. You are allowed to upload files that are @max or less.', array('@value' => $element['#value'], '@max' => format_size($max_filesize))));
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}
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}
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}
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}
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/**
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* A Form API after build and validate function.
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*
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* Ensure that the destination directory exists and is writable.
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*/
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function _webform_edit_file_check_directory($element) {
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$scheme = $element['extra']['scheme']['#value'];
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$directory = $element['extra']['directory']['#value'];
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$destination_dir = file_stream_wrapper_uri_normalize($scheme . '://webform/' . $directory);
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$tokenized_dir = drupal_strtolower(webform_replace_tokens($destination_dir, $element['#node']));
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// Sanity check input to prevent use parent (../) directories.
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if (preg_match('/\.\.[\/\\\]/', $tokenized_dir . '/')) {
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form_error($element['extra']['directory'], t('The save directory %directory is not valid.', array('%directory' => $tokenized_dir)));
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}
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else {
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if (!file_prepare_directory($tokenized_dir, FILE_CREATE_DIRECTORY)) {
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form_error($element['extra']['directory'], t('The save directory %directory could not be created. Check that the webform files directory is writable.', array('%directory' => $tokenized_dir)));
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}
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}
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265
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return $element;
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}
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269
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/**
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270
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* A Form API element validate function.
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271
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*
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* Change the submitted values of the component so that all filtering extensions
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* are saved as a single array.
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*/
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function _webform_edit_file_extensions_validate($element, &$form_state) {
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// Predefined types.
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$extensions = array();
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foreach (element_children($element['types']) as $category) {
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foreach (array_keys($element['types'][$category]['#value']) as $extension) {
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if ($element['types'][$category][$extension]['#value']) {
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$extensions[] = $extension;
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// "jpeg" is an exception. It is allowed anytime "jpg" is allowed.
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if ($extension == 'jpg') {
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$extensions[] = 'jpeg';
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}
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}
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}
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}
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// Additional types.
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$additional_extensions = explode(',', $element['addextensions']['#value']);
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foreach ($additional_extensions as $extension) {
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$clean_extension = drupal_strtolower(trim($extension));
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if (!empty($clean_extension) && !in_array($clean_extension, $extensions)) {
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$extensions[] = $clean_extension;
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}
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}
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form_set_value($element['types'], $extensions, $form_state);
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}
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301
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302
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/**
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303
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* Output the list of allowed extensions as checkboxes.
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304
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*/
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305
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function theme_webform_edit_file_extensions($variables) {
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306
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$element = $variables['element'];
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307
|
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308
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// Format the components into a table.
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309
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$rows = array();
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310
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foreach (element_children($element['types']) as $filtergroup) {
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311
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$row = array();
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312
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if ($element['types'][$filtergroup]['#type'] == 'checkboxes') {
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313
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$select_link = ' <a href="#" class="webform-select-link webform-select-link-' . $filtergroup . '">(' . t('select') . ')</a>';
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$row[] = $element['types'][$filtergroup]['#title'];
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$row[] = array('data' => $select_link, 'width' => 40);
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$row[] = array('data' => drupal_render_children($element['types'][$filtergroup]), 'class' => array('webform-file-extensions', 'webform-select-group-' . $filtergroup));
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$rows[] = array('data' => $row);
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unset($element['types'][$filtergroup]);
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}
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}
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321
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// Add the row for additional types.
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if (!isset($element['addextensions']['#access']) || $element['addextensions']['#access']) {
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$row = array();
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325
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$title = $element['addextensions']['#title'];
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$element['addextensions']['#title'] = NULL;
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$row[] = array('data' => $title, 'colspan' => 2);
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$row[] = drupal_render($element['addextensions']);
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$rows[] = $row;
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}
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$header = array(array('data' => t('Category'), 'colspan' => '2'), array('data' => t('Types')));
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333
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// Create the table inside the form.
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335
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$element['types']['table'] = array(
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336
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'#theme' => 'table',
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337
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'#header' => $header,
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338
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'#rows' => $rows,
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339
|
'#attributes' => array('class' => array('webform-file-extensions')),
|
|
340
|
);
|
|
341
|
|
|
342
|
return drupal_render_children($element);
|
|
343
|
}
|
|
344
|
|
|
345
|
/**
|
|
346
|
* Implements _webform_render_component().
|
|
347
|
*/
|
|
348
|
function _webform_render_file($component, $value = NULL, $filter = TRUE, $submission = NULL) {
|
|
349
|
$node = isset($component['nid']) ? node_load($component['nid']) : NULL;
|
|
350
|
|
|
351
|
// Cap the upload size according to the PHP limit.
|
|
352
|
$max_filesize = parse_size(file_upload_max_size());
|
|
353
|
$set_filesize = $component['extra']['filtering']['size'];
|
|
354
|
if (!empty($set_filesize) && parse_size($set_filesize) < $max_filesize) {
|
|
355
|
$max_filesize = parse_size($set_filesize);
|
|
356
|
}
|
|
357
|
|
|
358
|
$element = array(
|
|
359
|
'#type' => 'managed_file',
|
|
360
|
'#theme' => 'webform_managed_file',
|
|
361
|
'#title' => $filter ? webform_filter_xss($component['name']) : $component['name'],
|
|
362
|
'#title_display' => $component['extra']['title_display'] ? $component['extra']['title_display'] : 'before',
|
|
363
|
'#required' => $component['required'],
|
|
364
|
'#default_value' => isset($value[0]) ? $value[0] : NULL,
|
|
365
|
'#attributes' => $component['extra']['attributes'],
|
|
366
|
'#upload_validators' => array(
|
|
367
|
'file_validate_size' => array($max_filesize),
|
|
368
|
'file_validate_extensions' => array(implode(' ', $component['extra']['filtering']['types'])),
|
|
369
|
),
|
|
370
|
'#pre_render' => array_merge(element_info_property('managed_file', '#pre_render'), array('webform_file_allow_access')),
|
|
371
|
'#upload_location' => $component['extra']['scheme'] . '://webform/' . ($filter
|
|
372
|
? drupal_strtolower(webform_replace_tokens($component['extra']['directory'], $node))
|
|
373
|
: $component['extra']['directory']),
|
|
374
|
'#progress_indicator' => $component['extra']['progress_indicator'],
|
|
375
|
'#description' => $filter ? webform_filter_descriptions($component['extra']['description'], $node) : $component['extra']['description'],
|
|
376
|
'#weight' => $component['weight'],
|
|
377
|
'#theme_wrappers' => array('webform_element'),
|
|
378
|
'#translatable' => array('title', 'description'),
|
|
379
|
);
|
|
380
|
|
|
381
|
if ($filter) {
|
|
382
|
$element['#description'] = theme('file_upload_help', array('description' => $element['#description'], 'upload_validators' => $element['#upload_validators']));
|
|
383
|
}
|
|
384
|
|
|
385
|
return $element;
|
|
386
|
}
|
|
387
|
|
|
388
|
/**
|
|
389
|
* Returns HTML for a webform managed file element.
|
|
390
|
*
|
|
391
|
* See #2495821 and #2497909. The core theme_file_managed_file creates a
|
|
392
|
* wrapper around the element with the element's id, thereby creating 2 elements
|
|
393
|
* with the same id.
|
|
394
|
*
|
|
395
|
* @param $variables
|
|
396
|
* An associative array containing:
|
|
397
|
* - element: A render element representing the file.
|
|
398
|
*
|
|
399
|
* @return string
|
|
400
|
* The HTML.
|
|
401
|
*/
|
|
402
|
function theme_webform_managed_file($variables) {
|
|
403
|
$element = $variables['element'];
|
|
404
|
|
|
405
|
$attributes = array();
|
|
406
|
|
|
407
|
// For webform use, do not add the id to the wrapper.
|
|
408
|
// @code
|
|
409
|
// if (isset($element['#id'])) {
|
|
410
|
// $attributes['id'] = $element['#id'];
|
|
411
|
// }
|
|
412
|
// @endcode
|
|
413
|
if (!empty($element['#attributes']['class'])) {
|
|
414
|
$attributes['class'] = (array) $element['#attributes']['class'];
|
|
415
|
}
|
|
416
|
$attributes['class'][] = 'form-managed-file';
|
|
417
|
|
|
418
|
// This wrapper is required to apply JS behaviors and CSS styling.
|
|
419
|
$output = '';
|
|
420
|
$output .= '<div' . drupal_attributes($attributes) . '>';
|
|
421
|
$output .= drupal_render_children($element);
|
|
422
|
$output .= '</div>';
|
|
423
|
return $output;
|
|
424
|
}
|
|
425
|
|
|
426
|
/**
|
|
427
|
* Implements _webform_submit_component().
|
|
428
|
*/
|
|
429
|
function _webform_submit_file($component, $value) {
|
|
430
|
$fid = is_array($value)
|
|
431
|
? (!empty($value['fid']) ? $value['fid'] : '')
|
|
432
|
: (!empty($value) ? $value : '');
|
|
433
|
// Extend access to this file, even if the submission has not been saved yet.
|
|
434
|
// This may happen when previewing a private file which was selected but not
|
|
435
|
// explicitly uploaded, and then previewed.
|
|
436
|
if ($fid) {
|
|
437
|
$_SESSION['webform_files'][$fid] = $fid;
|
|
438
|
}
|
|
439
|
return $fid;
|
|
440
|
}
|
|
441
|
|
|
442
|
/**
|
|
443
|
* Pre-render callback to allow access to uploaded files.
|
|
444
|
*
|
|
445
|
* Files that have not yet been saved into a submission must be accessible to
|
|
446
|
* the user who uploaded it, but no one else. After the submission is saved,
|
|
447
|
* access is granted through the file_usage table. Before then, we use a
|
|
448
|
* $_SESSION value to record a user's upload.
|
|
449
|
*
|
|
450
|
* @see webform_file_download()
|
|
451
|
*/
|
|
452
|
function webform_file_allow_access($element) {
|
|
453
|
if (!empty($element['#value']['fid'])) {
|
|
454
|
$fid = $element['#value']['fid'];
|
|
455
|
$_SESSION['webform_files'][$fid] = $fid;
|
|
456
|
}
|
|
457
|
|
|
458
|
return $element;
|
|
459
|
}
|
|
460
|
|
|
461
|
/**
|
|
462
|
* Implements _webform_display_component().
|
|
463
|
*/
|
|
464
|
function _webform_display_file($component, $value, $format = 'html', $submission = array()) {
|
|
465
|
$fid = isset($value[0]) ? $value[0] : NULL;
|
|
466
|
return array(
|
|
467
|
'#title' => $component['name'],
|
|
468
|
'#title_display' => $component['extra']['title_display'] ? $component['extra']['title_display'] : 'before',
|
|
469
|
'#value' => $fid ? webform_get_file($fid) : NULL,
|
|
470
|
'#weight' => $component['weight'],
|
|
471
|
'#theme' => 'webform_display_file',
|
|
472
|
'#theme_wrappers' => $format == 'text' ? array('webform_element_text') : array('webform_element'),
|
|
473
|
'#format' => $format,
|
|
474
|
'#translatable' => array('title'),
|
|
475
|
);
|
|
476
|
}
|
|
477
|
|
|
478
|
/**
|
|
479
|
* Format the output of text data for this component.
|
|
480
|
*/
|
|
481
|
function theme_webform_display_file($variables) {
|
|
482
|
$element = $variables['element'];
|
|
483
|
|
|
484
|
$file = $element['#value'];
|
|
485
|
$url = !empty($file) ? webform_file_url($file->uri) : t('no upload');
|
|
486
|
return !empty($file) ? ($element['#format'] == 'text' ? $url : l($file->filename, $url)) : ' ';
|
|
487
|
}
|
|
488
|
|
|
489
|
/**
|
|
490
|
* Implements _webform_delete_component().
|
|
491
|
*/
|
|
492
|
function _webform_delete_file($component, $value) {
|
|
493
|
// Delete an individual submission file.
|
|
494
|
if (!empty($value[0]) && ($file = webform_get_file($value[0]))) {
|
|
495
|
file_usage_delete($file, 'webform');
|
|
496
|
file_delete($file);
|
|
497
|
}
|
|
498
|
}
|
|
499
|
|
|
500
|
/**
|
|
501
|
* Implements _webform_attachments_component().
|
|
502
|
*/
|
|
503
|
function _webform_attachments_file($component, $value) {
|
|
504
|
$file = (array) webform_get_file($value[0]);
|
|
505
|
$files = array($file);
|
|
506
|
return $files;
|
|
507
|
}
|
|
508
|
|
|
509
|
/**
|
|
510
|
* Implements _webform_analysis_component().
|
|
511
|
*/
|
|
512
|
function _webform_analysis_file($component, $sids = array(), $single = FALSE, $join = NULL) {
|
|
513
|
$query = db_select('webform_submitted_data', 'wsd', array('fetch' => PDO::FETCH_ASSOC))
|
|
514
|
->fields('wsd', array('no', 'data'))
|
|
515
|
->condition('wsd.nid', $component['nid'])
|
|
516
|
->condition('wsd.cid', $component['cid']);
|
|
517
|
|
|
518
|
if (count($sids)) {
|
|
519
|
$query->condition('wsd.sid', $sids, 'IN');
|
|
520
|
}
|
|
521
|
|
|
522
|
if ($join) {
|
|
523
|
$query->innerJoin($join, 'ws2_', 'wsd.sid = ws2_.sid');
|
|
524
|
}
|
|
525
|
|
|
526
|
$nonblanks = 0;
|
|
527
|
$sizetotal = 0;
|
|
528
|
$submissions = 0;
|
|
529
|
|
|
530
|
$result = $query->execute();
|
|
531
|
foreach ($result as $data) {
|
|
532
|
$file = webform_get_file($data['data']);
|
|
533
|
if (isset($file->filesize)) {
|
|
534
|
$nonblanks++;
|
|
535
|
$sizetotal += $file->filesize;
|
|
536
|
}
|
|
537
|
$submissions++;
|
|
538
|
}
|
|
539
|
|
|
540
|
$rows[0] = array(t('Left Blank'), ($submissions - $nonblanks));
|
|
541
|
$rows[1] = array(t('User uploaded file'), $nonblanks);
|
|
542
|
$other[0] = array(t('Average uploaded file size'), ($sizetotal != 0 ? (int) (($sizetotal / $nonblanks) / 1024) . ' KB' : '0'));
|
|
543
|
return array(
|
|
544
|
'table_rows' => $rows,
|
|
545
|
'other_data' => $other,
|
|
546
|
);
|
|
547
|
}
|
|
548
|
|
|
549
|
/**
|
|
550
|
* Implements _webform_table_component().
|
|
551
|
*/
|
|
552
|
function _webform_table_file($component, $value) {
|
|
553
|
$output = '';
|
|
554
|
$file = webform_get_file($value[0]);
|
|
555
|
if (!empty($file->fid)) {
|
|
556
|
$output = '<a href="' . webform_file_url($file->uri) . '">' . check_plain(webform_file_name($file->uri)) . '</a>';
|
|
557
|
$output .= ' (' . (int) ($file->filesize / 1024) . ' KB)';
|
|
558
|
}
|
|
559
|
return $output;
|
|
560
|
}
|
|
561
|
|
|
562
|
/**
|
|
563
|
* Implements _webform_csv_headers_component().
|
|
564
|
*/
|
|
565
|
function _webform_csv_headers_file($component, $export_options) {
|
|
566
|
$header = array();
|
|
567
|
// Two columns in header.
|
|
568
|
$header[0] = array('', '');
|
|
569
|
$header[1] = array($export_options['header_keys'] ? $component['form_key'] : $component['name'], '');
|
|
570
|
$header[2] = array(t('Name'), t('Filesize (KB)'));
|
|
571
|
return $header;
|
|
572
|
}
|
|
573
|
|
|
574
|
/**
|
|
575
|
* Implements _webform_csv_data_component().
|
|
576
|
*/
|
|
577
|
function _webform_csv_data_file($component, $export_options, $value) {
|
|
578
|
$file = webform_get_file($value[0]);
|
|
579
|
return empty($file->filename) ? array('', '') : array(webform_file_url($file->uri), (int) ($file->filesize / 1024));
|
|
580
|
}
|
|
581
|
|
|
582
|
/**
|
|
583
|
* Helper function to create proper file names for uploaded file.
|
|
584
|
*/
|
|
585
|
function webform_file_name($filepath) {
|
|
586
|
if (!empty($filepath)) {
|
|
587
|
$info = pathinfo($filepath);
|
|
588
|
$file_name = $info['basename'];
|
|
589
|
}
|
|
590
|
return isset($file_name) ? $file_name : '';
|
|
591
|
}
|
|
592
|
|
|
593
|
/**
|
|
594
|
* Helper function to create proper URLs for uploaded file.
|
|
595
|
*/
|
|
596
|
function webform_file_url($uri) {
|
|
597
|
if (!empty($uri)) {
|
|
598
|
$file_url = file_create_url($uri);
|
|
599
|
}
|
|
600
|
return isset($file_url) ? $file_url : '';
|
|
601
|
}
|
|
602
|
|
|
603
|
/**
|
|
604
|
* Helper function to load a file from the database.
|
|
605
|
*/
|
|
606
|
function webform_get_file($fid) {
|
|
607
|
// Simple check to prevent loading of NULL values, which throws an entity
|
|
608
|
// system error.
|
|
609
|
return $fid ? file_load($fid) : FALSE;
|
|
610
|
}
|
|
611
|
|
|
612
|
/**
|
|
613
|
* Given a submission with file_usage set, add or remove file usage entries.
|
|
614
|
*/
|
|
615
|
function webform_file_usage_adjust($submission) {
|
|
616
|
if (isset($submission->file_usage)) {
|
|
617
|
$files = file_load_multiple($submission->file_usage['added_fids']);
|
|
618
|
foreach ($files as $file) {
|
|
619
|
$file->status = 1;
|
|
620
|
file_save($file);
|
|
621
|
file_usage_add($file, 'webform', 'submission', $submission->sid);
|
|
622
|
}
|
|
623
|
|
|
624
|
$files = file_load_multiple($submission->file_usage['deleted_fids']);
|
|
625
|
foreach ($files as $file) {
|
|
626
|
file_usage_delete($file, 'webform', 'submission', $submission->sid);
|
|
627
|
file_delete($file);
|
|
628
|
}
|
|
629
|
}
|
|
630
|
}
|
|
631
|
|
|
632
|
/**
|
|
633
|
* Rename any files which are eligible for renaming.
|
|
634
|
*
|
|
635
|
* Renames if this submission is being submitted for the first time.
|
|
636
|
*/
|
|
637
|
function webform_file_rename($node, $submission) {
|
|
638
|
if (isset($submission->file_usage)) {
|
|
639
|
foreach ($submission->file_usage['renameable'] as $cid => $fids) {
|
|
640
|
foreach ($fids as $fid) {
|
|
641
|
webform_file_process_rename($node, $submission, $node->webform['components'][$cid], $fid);
|
|
642
|
}
|
|
643
|
}
|
|
644
|
}
|
|
645
|
}
|
|
646
|
|
|
647
|
/**
|
|
648
|
* Renames the uploaded file name using tokens.
|
|
649
|
*
|
|
650
|
* @param $node
|
|
651
|
* The webform node object.
|
|
652
|
* @param $submission
|
|
653
|
* The webform submission object.
|
|
654
|
* @param $component
|
|
655
|
* Component settings array for which fid is going to be processed.
|
|
656
|
* @param $fid
|
|
657
|
* A file id to be processed.
|
|
658
|
*/
|
|
659
|
function webform_file_process_rename($node, $submission, $component, $fid) {
|
|
660
|
$file = webform_get_file($fid);
|
|
661
|
|
|
662
|
if ($file) {
|
|
663
|
// Get the destination uri.
|
|
664
|
$destination_dir = $component['extra']['scheme'] . '://webform/' . drupal_strtolower(webform_replace_tokens($component['extra']['directory'], $node));
|
|
665
|
$destination_dir = file_stream_wrapper_uri_normalize($destination_dir);
|
|
666
|
|
|
667
|
// Get the file extension.
|
|
668
|
$info = pathinfo($file->uri);
|
|
669
|
$extension = $info['extension'];
|
|
670
|
|
|
671
|
// Prepare new file name without extension.
|
|
672
|
$new_file_name = webform_replace_tokens($component['extra']['rename'], $node, $submission, NULL, TRUE);
|
|
673
|
$new_file_name = trim($new_file_name);
|
|
674
|
$new_file_name = _webform_transliterate($new_file_name);
|
|
675
|
$new_file_name = str_replace('/', '_', $new_file_name);
|
|
676
|
$new_file_name = preg_replace('/[^a-zA-Z0-9_\- ]/', '', $new_file_name);
|
|
677
|
if (strlen($new_file_name)) {
|
|
678
|
// Prepare the new uri with new filename.
|
|
679
|
$destination = "$destination_dir/$new_file_name.$extension";
|
|
680
|
|
|
681
|
// Compare the uri and Rename the file name.
|
|
682
|
if ($file->uri != $destination) {
|
|
683
|
file_move($file, $destination, FILE_EXISTS_RENAME);
|
|
684
|
}
|
|
685
|
}
|
|
686
|
}
|
|
687
|
}
|
