/**
* Defines if the user can download the document
* @
* @return type
* @since 0.5
* @version 1.9.2, 9/3/2015, fix for download count
* v1.9.1, 16/1/2015, add bp_group_documents_download_access filter
*/
function cac_catch_group_doc_request()
{
$error = false;
if (empty($_GET['get_group_doc'])) {
return;
}
$doc_id = $_GET['get_group_doc'];
// Check to see whether the current user has access to the doc in question
$file_deets = explode('/', $doc_id);
$group_id = $file_deets[0];
$group = new BP_Groups_Group($group_id);
$doc_name = $file_deets[1];
if (empty($group->id)) {
$error = array('message' => __('That group does not exist.', 'bp-group-documents'), 'redirect' => bp_get_root_domain());
} else {
if ($group->status != 'public') {
// If the group is not public,
if (!is_super_admin()) {
//then the user must be logged in and
// a member of the group to download the document
if (!is_user_logged_in() || !groups_is_user_member(bp_loggedin_user_id(), $group_id)) {
$error = array('message' => sprintf(__('You must be a logged-in member of the group %s to access this document. If you are a member of the group, please log into the site and try again.', 'bp-group-documents'), $group->name), 'redirect' => bp_get_group_permalink($group));
}
}
}
/**
* Filter the error.
*
* @since 1.9.1
*
* @param array $error A compacted array of $error arguments, including the "message" and
* "redirect" values.
*/
$error = apply_filters('bp_group_documents_download_access', $error);
//
// If we have gotten this far without an error, then the download can go through
if (!$error) {
$document = new BP_Group_Documents();
$document->populate_by_file($doc_name);
$doc_path = $document->get_path();
clearstatcache();
if (file_exists($doc_path)) {
$document->increment_download_count();
$mime_type = mime_content_type($doc_path);
$doc_size = filesize($doc_path);
header("Cache-Control: public, must-revalidate, post-check=0, pre-check=0");
header("Pragma: hack");
header("Content-Type: {$mime_type}; name='" . $file_deets[1] . "'");
header("Content-Length: " . $doc_size);
header('Content-Disposition: inline; filename="' . $file_deets[1] . '"');
header("Content-Transfer-Encoding: binary");
ob_clean();
flush();
readfile($doc_path);
die;
} else {
// File does not exist
$error = array('message' => _e('The file could not be found.', 'bp-group-documents'), 'redirect' => bp_get_group_permalink($group) . 'documents');
}
}
}
// If we have gotten this far, there was an error. Add a message and redirect
bp_core_add_message($error['message'], 'error');
bp_core_redirect($error['redirect']);
}
/** bp_group_documents_check_legacy_paths()
*
* checks if there are any documents in the old location (documents folder in plugin)
* and if so, moves them to the new location (wp-content/blogs.dir)
*
* This will only fire when the admin page is viewed to save on overhead
* @version 2, 3/9/2013 fix BP_GROUP_DOCUMENTS_DIR
* @deprecated since version 1.2.2
*/
function bp_group_documents_check_legacy_paths()
{
if (defined('BP_GROUP_DOCUMENTS_PATH')) {
$legacy_path = BP_GROUP_DOCUMENTS_PATH;
} else {
$legacy_path = WP_PLUGIN_DIR . '/' . BP_GROUP_DOCUMENTS_DIR . '/documents/';
}
if ($dh = @opendir($legacy_path)) {
$moved_count = 0;
while (false !== ($file = readdir($dh))) {
if ($file != "." && $file != "..") {
$document = new BP_Group_Documents();
if ($document->populate_by_file($file)) {
rename($legacy_path . $file, $document->get_path(0, 1));
++$moved_count;
}
}
}
}
}
