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<?php |
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namespace BitCode\BitForm\Core\Util; |
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|
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final class FileDownloadProvider |
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{ |
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public function register() |
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{ |
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add_action('template_redirect', array($this,'authCheckandFrceDownloadHelper')); |
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add_shortcode('bitforms-frontend-file', array($this,'handleFileDownload')); |
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} |
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|
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public function handleFileDownload() |
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{ |
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if (!isset($_GET['formID']) || !isset($_GET['entryID']) || !isset($_GET['fileID'])) { |
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global $wp_query; |
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$wp_query->set_404(); |
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status_header(404); |
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get_template_part(404); |
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exit(); |
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} |
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$formID = intval(sanitize_text_field($_GET['formID'])); |
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$entryID = intval(sanitize_text_field($_GET['entryID'])); |
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$fileID = sanitize_file_name($_GET['fileID']); |
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$filePath = BITFORMS_UPLOAD_DIR.DIRECTORY_SEPARATOR.$formID.DIRECTORY_SEPARATOR.$entryID.DIRECTORY_SEPARATOR.$fileID; |
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if (is_readable($filePath)) { |
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$this->fileDownloadORView($file, true); |
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} |
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} |
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|
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public static function getBaseDownloadURL() |
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{ |
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$routes = get_option('bitforms_routes'); |
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if (isset($routes['file'])) { |
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$file_page = get_post($routes['file']); |
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if (empty($file_page)) { |
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$file_route_id = wp_insert_post( |
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array( |
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'post_name' => 'bitforms-file', |
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'comment_status' => 'closed', |
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'ping_status' => 'closed', |
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'post_content' => '<!-- wp:shortcode -->[bitforms-frontend-file /]<!-- /wp:shortcode -->', |
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'post_status' => 'publish', |
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'post_type' => 'bitforms' |
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) |
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); |
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$routes['file'] = $file_route_id; |
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update_option('bitforms_routes', $routes); |
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$file_page_slug = get_post_permalink($file_route_id); |
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} else { |
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$file_page_slug = get_post_permalink($file_page->ID); |
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} |
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} else { |
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$file_route_id = wp_insert_post( |
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array( |
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'post_name' => 'bitforms-file', |
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'comment_status' => 'closed', |
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'ping_status' => 'closed', |
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'post_content' => '<!-- wp:shortcode -->[bitforms-frontend-file /]<!-- /wp:shortcode -->', |
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'post_status' => 'publish', |
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'post_type' => 'bitforms' |
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) |
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); |
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$route_value = array(); |
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$route_value['file'] = $file_route_id; |
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update_option('bitforms_routes', $route_value); |
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$file_page_slug = get_post_permalink($file_route_id); |
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} |
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|
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return $file_page_slug; |
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} |
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|
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public function authCheckandFrceDownloadHelper() |
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{ |
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if (!is_singular('bitforms')) { |
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return; |
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} |
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global $post; |
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if (!empty($post->post_content)) { |
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$shortCodeRegex = get_shortcode_regex(); |
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preg_match_all('/'.$shortCodeRegex.'/', $post->post_content, $regexMatchGroups); |
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if (!empty($regexMatchGroups[2]) && in_array('bitforms-frontend-file', $regexMatchGroups[2]) && is_user_logged_in()) { |
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$file = $this->isRequestedFileExists(); |
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if ($file) { |
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$this->fileDownloadORView($file, isset($_GET['download'])); |
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} else { |
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$this->show404(); |
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} |
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} else { |
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auth_redirect(); |
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} |
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} |
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} |
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|
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private function show404() |
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{ |
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global $wp_query; |
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$wp_query->set_404(); |
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status_header(404); |
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get_template_part(404); |
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exit(); |
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} |
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private function isRequestedFileExists() |
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{ |
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if (!isset($_GET['formID']) || !isset($_GET['entryID']) || !isset($_GET['fileID'])) { |
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return false; |
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} |
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$formID = intval(sanitize_text_field($_GET['formID'])); |
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$entryID = intval(sanitize_text_field($_GET['entryID'])); |
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$fileID = sanitize_file_name($_GET['fileID']); |
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$filePath = BITFORMS_UPLOAD_DIR.DIRECTORY_SEPARATOR.$formID.DIRECTORY_SEPARATOR.$entryID.DIRECTORY_SEPARATOR.$fileID; |
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if (is_readable($filePath)) { |
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return $filePath; |
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} |
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|
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return false; |
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} |
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|
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private function fileDownloadORView($filePath, $forceDownload = false) |
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{ |
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if ($forceDownload) { |
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header("Content-Type: application/force-download"); |
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header("Content-Type: application/octet-stream"); |
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header("Content-Type: application/download"); |
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header('Content-Disposition: attachment; filename="'.basename($filePath).'"'); |
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} else { |
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$ext = pathinfo($filePath, PATHINFO_EXTENSION); |
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if ($ext=='pdf') { |
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$content_types='application/pdf'; |
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} elseif ($ext=='doc') { |
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$content_types='application/msword'; |
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} elseif ($ext=='docx') { |
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$content_types='application/vnd.openxmlformats-officedocument.wordprocessingml.document'; |
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} elseif ($ext=='xls') { |
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$content_types='application/vnd.ms-excel'; |
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} elseif ($ext=='xlsx') { |
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$content_types='application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'; |
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} elseif ($ext=='txt' || $ext=='php' || $ext=='html' || $ext=='xhtml' || $ext=='json') { |
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$content_types='text/plain'; |
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} elseif ($ext=='jpg' || $ext=='jpeg' || $ext=='png' || $ext=='gif' || $ext=='tiff' || $ext=='svg' || $ext=='icon' || $ext=='ico') { |
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$content_types="image/$ext"; |
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} elseif ($ext=='mpeg' || $ext=='mp3' || $ext=='wav') { |
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$content_types="audio/$ext"; |
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} elseif ($ext=='mp4' || $ext=='webm' || $ext=='ogg') { |
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$content_types="video/$ext"; |
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} else { |
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$content_types='application/download'; |
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} |
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header('Content-Disposition:filename="'.basename($filePath).'"'); |
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header("Content-Type: $content_types"); |
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} |
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header('Content-Description: File Transfer'); |
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header('Expires: 0'); |
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header('Cache-Control: must-revalidate, post-check=0, pre-check=0'); |
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header('Pragma: public'); |
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header('Content-Length: ' . filesize($filePath)); |
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header("Content-Transfer-Encoding: binary "); |
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flush(); |
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readfile($filePath); |
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die(); |
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} |
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} |
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|
