<?php
function upload_help($path, $arg) {
switch ($path) {
case 'admin/help#upload':
$output = '<p>'. t('The upload module allows users to upload files to the site. The ability to upload files is important for members of a community who want to share work. It is also useful to administrators who want to keep uploaded files connected to posts.') .'</p>';
$output .= '<p>'. t('Users with the upload files permission can upload attachments to posts. Uploads may be enabled for specific content types on the content types settings page. Each user role can be customized to limit or control the file size of uploads, or the maximum dimension of image files.') .'</p>';
$output .= '<p>'. t('For more information, see the online handbook entry for <a href="@upload">Upload module</a>.', array('@upload' => 'http://drupal.org/handbook/modules/upload/')) .'</p>';
return $output;
case 'admin/settings/upload':
return '<p>'. t('Users with the <a href="@permissions">upload files permission</a> can upload attachments. Users with the <a href="@permissions">view uploaded files permission</a> can view uploaded attachments. You can choose which post types can take attachments on the <a href="@types">content types settings</a> page.', array('@permissions' => url('admin/user/permissions'), '@types' => url('admin/settings/types'))) .'</p>';
}
}
function upload_theme() {
return array(
'upload_attachments' => array(
'arguments' => array('files' => NULL),
),
'upload_form_current' => array(
'arguments' => array('form' => NULL),
),
'upload_form_new' => array(
'arguments' => array('form' => NULL),
),
);
}
function upload_perm() {
return array('upload files', 'view uploaded files');
}
function upload_link($type, $node = NULL, $teaser = FALSE) {
$links = array();
if ($teaser && $type == 'node' && isset($node->files) && user_access('view uploaded files')) {
$num_files = 0;
foreach ($node->files as $file) {
if ($file->list) {
$num_files++;
}
}
if ($num_files) {
$links['upload_attachments'] = array(
'title' => format_plural($num_files, '1 attachment', '@count attachments'),
'href' => "node/$node->nid",
'attributes' => array('title' => t('Read full article to view attachments.')),
'fragment' => 'attachments'
);
}
}
return $links;
}
function upload_menu() {
$items['upload/js'] = array(
'page callback' => 'upload_js',
'access arguments' => array('upload files'),
'type' => MENU_CALLBACK,
);
$items['admin/settings/uploads'] = array(
'title' => 'File uploads',
'description' => 'Control how files may be attached to content.',
'page callback' => 'drupal_get_form',
'page arguments' => array('upload_admin_settings'),
'access arguments' => array('administer site configuration'),
'type' => MENU_NORMAL_ITEM,
'file' => 'upload.admin.inc',
);
return $items;
}
function upload_menu_alter(&$items) {
$items['system/files']['access arguments'] = array('view uploaded files');
}
function _upload_file_limits($user) {
$file_limit = variable_get('upload_uploadsize_default', 1);
$user_limit = variable_get('upload_usersize_default', 1);
$all_extensions = explode(' ', variable_get('upload_extensions_default', 'jpg jpeg gif png txt doc xls pdf ppt pps odt ods odp'));
foreach ($user->roles as $rid => $name) {
$extensions = variable_get("upload_extensions_$rid", variable_get('upload_extensions_default', 'jpg jpeg gif png txt doc xls pdf ppt pps odt ods odp'));
$all_extensions = array_merge($all_extensions, explode(' ', $extensions));
$file_size = variable_get("upload_uploadsize_$rid", variable_get('upload_uploadsize_default', 1)) * 1024 * 1024;
$file_limit = ($file_limit && $file_size) ? max($file_limit, $file_size) : 0;
$user_size = variable_get("upload_usersize_$rid", variable_get('upload_usersize_default', 1)) * 1024 * 1024;
$user_limit = ($user_limit && $user_size) ? max($user_limit, $user_size) : 0;
}
$all_extensions = implode(' ', array_unique($all_extensions));
return array(
'extensions' => $all_extensions,
'file_size' => $file_limit,
'user_size' => $user_limit,
'resolution' => variable_get('upload_max_resolution', 0),
);
}
function upload_file_download($filepath) {
$filepath = file_create_path($filepath);
$result = db_query("SELECT f.*, u.nid FROM {files} f INNER JOIN {upload} u ON f.fid = u.fid WHERE filepath = '%s'", $filepath);
if ($file = db_fetch_object($result)) {
if (user_access('view uploaded files') && ($node = node_load($file->nid)) && node_access('view', $node)) {
return array(
'Content-Type: ' . $file->filemime,
'Content-Length: ' . $file->filesize,
);
}
else {
return -1;
}
}
}
function upload_node_form_submit(&$form, &$form_state) {
global $user;
$limits = _upload_file_limits($user);
$validators = array(
'file_validate_extensions' => array($limits['extensions']),
'file_validate_image_resolution' => array($limits['resolution']),
'file_validate_size' => array($limits['file_size'], $limits['user_size']),
);
if (user_access('upload files') && ($file = file_save_upload('upload', $validators, file_directory_path()))) {
$file->list = variable_get('upload_list_default', 1);
$file->description = $file->filename;
$file->weight = 0;
$file->new = TRUE;
$form['#node']->files[$file->fid] = $file;
$form_state['values']['files'][$file->fid] = (array)$file;
}
if (isset($form_state['values']['files'])) {
foreach ($form_state['values']['files'] as $fid => $file) {
$form_state['values']['files'][$fid]['new'] = !empty($form['#node']->files[$fid]->new);
}
}
if (!empty($form_state['values']['files'])) {
$microweight = 0.001;
foreach ($form_state['values']['files'] as $fid => $file) {
if (is_numeric($fid)) {
$form_state['values']['files'][$fid]['#weight'] = $file['weight'] + $microweight;
$microweight += 0.001;
}
}
uasort($form_state['values']['files'], 'element_sort');
}
}
function upload_form_alter(&$form, $form_state, $form_id) {
if ($form_id == 'node_type_form' && isset($form['identity']['type'])) {
$form['workflow']['upload'] = array(
'#type' => 'radios',
'#title' => t('Attachments'),
'#default_value' => variable_get('upload_'. $form['#node_type']->type, 1),
'#options' => array(t('Disabled'), t('Enabled')),
);
}
if (isset($form['type']) && isset($form['#node'])) {
$node = $form['#node'];
if ($form['type']['#value'] .'_node_form' == $form_id && variable_get("upload_$node->type", TRUE)) {
$form['attachments'] = array(
'#type' => 'fieldset',
'#access' => user_access('upload files'),
'#title' => t('File attachments'),
'#collapsible' => TRUE,
'#collapsed' => empty($node->files),
'#description' => t('Changes made to the attachments are not permanent until you save this post. The first "listed" file will be included in RSS feeds.'),
'#prefix' => '<div class="attachments">',
'#suffix' => '</div>',
'#weight' => 30,
);
$form['attachments']['wrapper'] = array(
'#prefix' => '<div id="attach-wrapper">',
'#suffix' => '</div>',
);
$path = file_directory_path();
$temp = file_directory_temp();
if (!file_check_directory($path, FILE_CREATE_DIRECTORY) || !file_check_directory($temp, FILE_CREATE_DIRECTORY)) {
$form['attachments']['#description'] = t('File attachments are disabled. The file directories have not been properly configured.');
if (user_access('administer site configuration')) {
$form['attachments']['#description'] .= ' '. t('Please visit the <a href="@admin-file-system">file system configuration page</a>.', array('@admin-file-system' => url('admin/settings/file-system')));
}
else {
$form['attachments']['#description'] .= ' '. t('Please contact the site administrator.');
}
}
else {
$form['attachments']['wrapper'] += _upload_form($node);
$form['#attributes']['enctype'] = 'multipart/form-data';
}
$form['#submit'][] = 'upload_node_form_submit';
}
}
}
function upload_nodeapi(&$node, $op, $teaser) {
switch ($op) {
case 'load':
$output = '';
if (variable_get("upload_$node->type", 1) == 1) {
$output['files'] = upload_load($node);
return $output;
}
break;
case 'view':
if (isset($node->files) && user_access('view uploaded files')) {
if (count($node->files)) {
if (!$teaser && user_access('view uploaded files')) {
$node->content['files'] = array(
'#value' => theme('upload_attachments', $node->files),
'#weight' => 50,
);
}
}
}
break;
case 'insert':
case 'update':
if (user_access('upload files')) {
upload_save($node);
}
break;
case 'delete':
upload_delete($node);
break;
case 'delete revision':
upload_delete_revision($node);
break;
case 'search result':
return isset($node->files) && is_array($node->files) ? format_plural(count($node->files), '1 attachment', '@count attachments') : NULL;
case 'rss item':
if (is_array($node->files)) {
$files = array();
foreach ($node->files as $file) {
if ($file->list) {
$files[] = $file;
}
}
if (count($files) > 0) {
$file = array_shift($files);
return array(
array(
'key' => 'enclosure',
'attributes' => array(
'url' => file_create_url($file->filepath),
'length' => $file->filesize,
'type' => $file->filemime
)
)
);
}
}
return array();
}
}
function theme_upload_attachments($files) {
$header = array(t('Attachment'), t('Size'));
$rows = array();
foreach ($files as $file) {
$file = (object)$file;
if ($file->list && empty($file->remove)) {
$href = file_create_url($file->filepath);
$text = $file->description ? $file->description : $file->filename;
$rows[] = array(l($text, $href), format_size($file->filesize));
}
}
if (count($rows)) {
return theme('table', $header, $rows, array('id' => 'attachments'));
}
}
function upload_space_used($uid) {
return file_space_used($uid);
}
function upload_total_space_used() {
return db_result(db_query('SELECT SUM(f.filesize) FROM {files} f INNER JOIN {upload} u ON f.fid = u.fid'));
}
function upload_save(&$node) {
if (empty($node->files) || !is_array($node->files)) {
return;
}
foreach ($node->files as $fid => $file) {
$file = (object)$file;
if (!empty($file->remove)) {
db_query('DELETE FROM {upload} WHERE fid = %d AND vid = %d', $fid, $node->vid);
$count = db_result(db_query('SELECT COUNT(fid) FROM {upload} WHERE fid = %d', $fid));
if ($count < 1) {
file_delete($file->filepath);
db_query('DELETE FROM {files} WHERE fid = %d', $fid);
}
unset($node->files[$fid]);
continue;
}
if (!empty($node->old_vid) || $file->new) {
db_query("INSERT INTO {upload} (fid, nid, vid, list, description, weight) VALUES (%d, %d, %d, %d, '%s', %d)", $file->fid, $node->nid, $node->vid, $file->list, $file->description, $file->weight);
file_set_status($file, FILE_STATUS_PERMANENT);
}
else {
db_query("UPDATE {upload} SET list = %d, description = '%s', weight = %d WHERE fid = %d AND vid = %d", $file->list, $file->description, $file->weight, $file->fid, $node->vid);
file_set_status($file, FILE_STATUS_PERMANENT);
}
}
}
function upload_delete($node) {
$files = array();
$result = db_query('SELECT DISTINCT f.* FROM {upload} u INNER JOIN {files} f ON u.fid = f.fid WHERE u.nid = %d', $node->nid);
while ($file = db_fetch_object($result)) {
$files[$file->fid] = $file;
}
foreach ($files as $fid => $file) {
db_query('DELETE FROM {files} WHERE fid = %d', $fid);
file_delete($file->filepath);
}
db_query('DELETE FROM {upload} WHERE nid = %d', $node->nid);
}
function upload_delete_revision($node) {
if (is_array($node->files)) {
foreach ($node->files as $file) {
$count = db_result(db_query('SELECT COUNT(fid) FROM {upload} WHERE fid = %d', $file->fid));
if ($count < 2) {
db_query('DELETE FROM {files} WHERE fid = %d', $file->fid);
file_delete($file->filepath);
}
}
}
db_query('DELETE FROM {upload} WHERE vid = %d', $node->vid);
}
function _upload_form($node) {
global $user;
$form = array(
'#theme' => 'upload_form_new',
'#cache' => TRUE,
);
if (!empty($node->files) && is_array($node->files)) {
$form['files']['#theme'] = 'upload_form_current';
$form['files']['#tree'] = TRUE;
foreach ($node->files as $key => $file) {
$file = (object)$file;
$description = file_create_url($file->filepath);
$description = "<small>". check_plain($description) ."</small>";
$form['files'][$key]['description'] = array('#type' => 'textfield', '#default_value' => !empty($file->description) ? $file->description : $file->filename, '#maxlength' => 256, '#description' => $description );
$form['files'][$key]['size'] = array('#value' => format_size($file->filesize));
$form['files'][$key]['remove'] = array('#type' => 'checkbox', '#default_value' => !empty($file->remove));
$form['files'][$key]['list'] = array('#type' => 'checkbox', '#default_value' => $file->list);
$form['files'][$key]['weight'] = array('#type' => 'weight', '#delta' => count($node->files), '#default_value' => $file->weight);
$form['files'][$key]['filename'] = array('#type' => 'value', '#value' => $file->filename);
$form['files'][$key]['filepath'] = array('#type' => 'value', '#value' => $file->filepath);
$form['files'][$key]['filemime'] = array('#type' => 'value', '#value' => $file->filemime);
$form['files'][$key]['filesize'] = array('#type' => 'value', '#value' => $file->filesize);
$form['files'][$key]['fid'] = array('#type' => 'value', '#value' => $file->fid);
$form['files'][$key]['new'] = array('#type' => 'value', '#value' => FALSE);
}
}
if (user_access('upload files')) {
$limits = _upload_file_limits($user);
$form['new']['#weight'] = 10;
$form['new']['upload'] = array(
'#type' => 'file',
'#title' => t('Attach new file'),
'#size' => 40,
'#description' => ($limits['resolution'] ? t('Images are larger than %resolution will be resized. ', array('%resolution' => $limits['resolution'])) : '') . t('The maximum upload size is %filesize. Only files with the following extensions may be uploaded: %extensions. ', array('%extensions' => $limits['extensions'], '%filesize' => format_size($limits['file_size']))),
);
$form['new']['attach'] = array(
'#type' => 'submit',
'#value' => t('Attach'),
'#name' => 'attach',
'#ahah' => array(
'path' => 'upload/js',
'wrapper' => 'attach-wrapper',
'progress' => array('type' => 'bar', 'message' => t('Please wait...')),
),
'#submit' => array('node_form_submit_build_node'),
);
}
return $form;
}
function theme_upload_form_current(&$form) {
$header = array('', t('Delete'), t('List'), t('Description'), t('Weight'), t('Size'));
drupal_add_tabledrag('upload-attachments', 'order', 'sibling', 'upload-weight');
foreach (element_children($form) as $key) {
$form[$key]['weight']['#attributes']['class'] = 'upload-weight';
$row = array('');
$row[] = drupal_render($form[$key]['remove']);
$row[] = drupal_render($form[$key]['list']);
$row[] = drupal_render($form[$key]['description']);
$row[] = drupal_render($form[$key]['weight']);
$row[] = drupal_render($form[$key]['size']);
$rows[] = array('data' => $row, 'class' => 'draggable');
}
$output = theme('table', $header, $rows, array('id' => 'upload-attachments'));
$output .= drupal_render($form);
return $output;
}
function theme_upload_form_new($form) {
drupal_add_tabledrag('upload-attachments', 'order', 'sibling', 'upload-weight');
$output = drupal_render($form);
return $output;
}
function upload_load($node) {
$files = array();
if ($node->vid) {
$result = db_query('SELECT * FROM {files} f INNER JOIN {upload} r ON f.fid = r.fid WHERE r.vid = %d ORDER BY r.weight, f.fid', $node->vid);
while ($file = db_fetch_object($result)) {
$files[$file->fid] = $file;
}
}
return $files;
}
function upload_js() {
$cached_form_state = array();
$files = array();
if (!($cached_form = form_get_cache($_POST['form_build_id'], $cached_form_state)) || !isset($cached_form['#node']) || !isset($cached_form['attachments'])) {
form_set_error('form_token', t('Validation error, please try again. If this error persists, please contact the site administrator.'));
$output = theme('status_messages');
print drupal_to_js(array('status' => TRUE, 'data' => $output));
exit();
}
$form_state = array('values' => $_POST);
upload_node_form_submit($cached_form, $form_state);
if(!empty($form_state['values']['files'])) {
foreach ($form_state['values']['files'] as $fid => $file) {
if (isset($cached_form['#node']->files[$fid])) {
$files[$fid] = $cached_form['#node']->files[$fid];
}
}
}
$node = $cached_form['#node'];
$node->files = $files;
$form = _upload_form($node);
unset($cached_form['attachments']['wrapper']['new']);
$cached_form['attachments']['wrapper'] = array_merge($cached_form['attachments']['wrapper'], $form);
$cached_form['attachments']['#collapsed'] = FALSE;
form_set_cache($_POST['form_build_id'], $cached_form, $cached_form_state);
foreach ($files as $fid => $file) {
if (is_numeric($fid)) {
$form['files'][$fid]['description']['#default_value'] = $form_state['values']['files'][$fid]['description'];
$form['files'][$fid]['list']['#default_value'] = !empty($form_state['values']['files'][$fid]['list']);
$form['files'][$fid]['remove']['#default_value'] = !empty($form_state['values']['files'][$fid]['remove']);
$form['files'][$fid]['weight']['#default_value'] = $form_state['values']['files'][$fid]['weight'];
}
}
$form += array(
'#post' => $_POST,
'#programmed' => FALSE,
'#tree' => FALSE,
'#parents' => array(),
);
drupal_alter('form', $form, array(), 'upload_js');
$form_state = array('submitted' => FALSE);
$form = form_builder('upload_js', $form, $form_state);
$output = theme('status_messages') . drupal_render($form);
print drupal_to_js(array('status' => TRUE, 'data' => $output));
exit;
}