diff options
Diffstat (limited to 'plugins/video_multidownload/video_multidownload.module')
| -rw-r--r-- | plugins/video_multidownload/video_multidownload.module | 303 |
1 files changed, 303 insertions, 0 deletions
diff --git a/plugins/video_multidownload/video_multidownload.module b/plugins/video_multidownload/video_multidownload.module new file mode 100644 index 0000000..03027bf --- /dev/null +++ b/plugins/video_multidownload/video_multidownload.module @@ -0,0 +1,303 @@ +<?php +// $Id$ + +/** + * @file + * Enable multiple file download in video module. + * + * @author Fabio Varesano <fvaresano at yahoo dot it> + */ + + +/** + * Implementation of hook_help(). + */ +function video_multidownload_help($section) { + switch ($section) { + case 'admin/modules#description': + return t('Enable multiple file download in video module.'); + } +} + + +/** + * Implementation of hook_menu(). + * + * @param $may_cache + * boolean indicating whether cacheable menu items should be returned + * + * @return + * array of menu information + */ +function video_multidownload_menu($may_cache) { + $items = array(); + if ($may_cache) { + ; // for further uses + } + else { + if (arg(0) == 'node' && is_numeric(arg(1))) { + if ($node = node_load(arg(1)) and $node->type == 'video') { + if(isset($node->disable_multidownload) && + !$node->disable_multidownload) { + $items[] = array('path' => 'node/'.arg(1).'/multidownload', + 'title' => t('download other formats'), + 'callback' => 'video_multidownload_download', + 'access' => user_access('access video'), + 'weight' => 7, + 'type' => MENU_LOCAL_TASK); + } + } + } + } + return $items; +} + + +/** + * Implementation of hook_perm(). + */ +function video_multidownload_perm() { + return array('create multi-file downloads'); +} + + +/** + * Implementation of hook_form_alter() + * We use this to add multidownload fields to the video creation form. + */ +function video_multidownload_form_alter($form_id, &$form) { + + if ($form_id == 'video_node_form' && isset($form['video']) && user_access('create multi-file downloads')) { + + $node = $form['#node']; + + $form['multi-file'] = array( + '#type' => 'fieldset', + '#title' => t('Multiple files in download tab'), + '#collapsible' => TRUE, + '#collapsed' => TRUE, + '#weight' => -18, + '#description' => t('These options allow you to have multiple files shown on the download page. This is useful for allowing users to download different file sizes and video formats. ') . l(t('More information.'), 'video/help', NULL, NULL, 'multi-download') + ); + $form['multi-file']['disable_multidownload'] = array( + '#type' => 'checkbox', + '#title' => t('Disable multi-file downloads'), + '#default_value' => isset($node->disable_multidownload) ? $node->disable_multidownload : 1, + '#description' => t('Disables multi-file downloads for this video only.') + ); + $form['multi-file']['download_folder'] = array( + '#type' => 'textfield', + '#title' => t('Multi-file download folder'), + '#default_value' => $node->download_folder, + '#maxlength' => 250, + '#description' => t('Enter the folder containing your videos. It must be relative from the drupal directory. If the absolute path is "C:\inetpub\drupal\videos\projectfolder\" or "/usr/htdocs/drupal/videos/projectfolder/" then enter something like "videos/projectfolder/".')); + $form['multi-file']['use_play_folder'] = array( + '#type' => 'checkbox', + '#title' => t('Show files in "play" folder'), + '#default_value' => $node->use_play_folder, + '#description' => t('Display videos in the same directory as the "play" video. If folder above is entered this will be in addition.')); + } +} + + + +function video_multidownload_download() { + if ($node = node_load(arg(1))) { + if (variable_get("video_multidownload", 0) == 0 or $node->disable_multidownload == 1) { + + } + else if (arg(3) != '') { //If we are passed an encoded URL redirect to the downloader. + _video_download_goto(arg(3), $node->vid, TRUE); + } + else { //Multiple file downloads is turned on. + $download_error = FALSE; //Initialize and clear the error flag. + $node->file_array = array(); //Initialize the final file array. + global $base_url; + $full_download_folder = getcwd() . '/' . $node->download_folder; //Get absolute path to folder. + //If the download folder is set and valid scan it for files. + if ($node->download_folder != '' and file_exists($full_download_folder)) { + $scan_download_folder = _video_multidownload_scandir($full_download_folder); //Get array of file names in the directory. + $scan_download_folder['local_dir'] = $full_download_folder; //For getting filesize. + $scan_download_folder['dir_stub'] = $node->download_folder; //To put in the URL. + $folder_array[] = $scan_download_folder; + + } + //If option is set to use "play" folder and it exists, scan it for files. + $play_dir_stub = str_replace(basename($node->vidfile), "", $node->vidfile); //Remove the filename from the play file to get directory. + $play_dir = getcwd() . '/' . $play_dir_stub; //Get the local directory path where the file is kept. + if ($node->use_play_folder == 1 and file_exists($play_dir) and $play_dir_stub != '/') { //Make sure play stub won't allow scanning base drupal directory. + $scan_play_folder = _video_scandir($play_dir); + $scan_play_folder['local_dir'] = $play_dir; //For getting filesize. + $scan_play_folder['dir_stub'] = $play_dir_stub; //To put in the URL. + $folder_array[] = $scan_play_folder; + } + + if (count($folder_array) > 0) { //Make sure we have a folder to scan. + foreach ($folder_array as $dir_scan) { //Scan through one or both folders results. + foreach ($dir_scan as $file) { //Go through each file in the directory. + if (is_file($dir_scan['local_dir'] . "/" . $file)) { //Make sure it's a valid file. + //Checks the new file with the files already in the array to eliminate dupes. + $match = false; + foreach ($node->file_array as $file_array_file) { + if ($file_array_file['file'] == $file) { //If the file is already in the array. + $match = TRUE; + } + } //If we get here with $match still set FALSE we don't have a dupe. + + $file_ext = substr($file, strrpos($file, '.') + 1); //Get the file extension. + $ext_array = explode(',', variable_get('video_download_ext', 'mov,wmv,avi')); + + if (!$match and in_array($file_ext, $ext_array)) { //Only add file if it's not already in the array and it's extension shouldn't be hidden. + $file_array_size[] = filesize($dir_scan['local_dir'] . $file); //Create an array of the file sizes for sorting. + + global $base_url; + $file_url = $base_url . '/' . $dir_scan['dir_stub'] . $file; //Generate absolute URL to video. + $file_url = str_replace(' ', '%20', $file_url); //Replace any spaces in filename. + $encoded_url = base64_encode($file_url); //Encode URL to base64 MIME value so it can be passed in URL. + $encoded_url = str_replace('/', '-', $encoded_url); //Replace "/" with "-" so it doesn't mess up the URL. + + $node->file_array[] = array( 'file' => $file + , 'type' => $file_ext + , 'size' => filesize($dir_scan['local_dir'] . $file) + , 'encoded_url' => $encoded_url + ); + } + } //Close the valid file check. + } //Close the directory scan. + } //Close scan location array. + + if (count($node->file_array) > 0) { //Make sure atleast 1 file was found. + array_multisort($file_array_size, SORT_ASC, $node->file_array); //Sort based of file size. + + } + else { //Else if no files were found in the directory. + $download_error = TRUE; + } + } + else { //Else if we have no valid folders to scan. + $download_error = TRUE; + } + + //If there was no error send the files array to the theme function for display. + if($download_error == FALSE) { + print theme('video_multidownload_download', $node); //Print to the screen from the theme_video_download function. + } + else { //Else if there is an error download the play file. + _video_download_goto($node->vidfile, $node->vid); + } + + } //Close multi-file downloads is turned on. + } +} + + +/** + * Outputs the HTML for the download page when multi-file download are turned on. + * + * @param $node + * object with node information + * + * @return + * string of content to display + */ +function theme_video_multidownload_download($node) { + $output = ''; + //Replace some common file types with full name and links. + $find = array('mov', 'wmv', 'rm', 'avi', 'zip', 'divx', 'flv'); + $replace = array('<a href="http://www.apple.com/quicktime" title="'. t('QuickTime Homepage') . '">' . t('Quicktime') . '</a>' + , '<a href="http://www.microsoft.com/windowsmedia" title="'. t('Windows Media Homepage') . '">' . t('Windows Media') . '</a>' + , '<a href="http://www.real.com" title="'. t('Real Media Homepage') . '">' . t('Real Media') . '</a>' + , '<a href="http://en.wikipedia.org/wiki/AVI" title="'. t('AVI Information at wikipedia.org') . '">' . t('AVI') . '</a>' + , '<a href="http://en.wikipedia.org/wiki/ZIP_file_format" title="'. t('ZIP Information at wikipedia.org') . '">' . t('ZIP') . '</a>' + , '<a href="http://www.divx.com" title="'. t('Divx Homepage') . '">' . t('DIVX') . '</a>' + , '<a href="http://www.macromedia.com/go/getflashplayer" title="'. t('Macromedia Flash Homepage') . '">' .t('Flash FLV') . '</a>' + ); + $output .= '<br /><div class="videodownload">'; //Enclose all HTML in "videodownload" class. + foreach($node->file_array as $file) { //Goes through the array of video files and gets them ready for display. + $file_type = str_replace($find, $replace, $file['type']); //Match and replace common file types. + $link = l($file['file'], "node/$node->nid/multidownload/" . $file['encoded_url']); //Create link to download file. + $file_array_table[] = array($link, format_size($file['size']), $file_type); //Create table row. + } + $headers = array(t('File Link'), t('File Size'), t('File Type')); + $output .= theme_table($headers, $file_array_table); //Create the table of files. + $output .= '</div>'; //Close the "videodownload" class. + + //Adds a breadcrumb back to view on the download page. This may not be needed but some better breadcrumbs are. + $breadcrumb = drupal_get_breadcrumb(); + $breadcrumb[] = l(t('View'), "node/$node->nid"); + drupal_set_breadcrumb($breadcrumb); + + drupal_set_title(t('Downloading').' '.$node->title); + return theme("page", $output); +} + + + +/** + * Scans a directory and returns an array of all the filenames in the directory. + * This function is only necessary to maintain PHP 4 support. + * + * @param $dir + * The directory. Can be an absolute path or relative from the current working directory. + * + * @return + * array of filenames. + */ +function _video_multidownload_scandir($dir) { + //Try a few different ways to open the directory. + if (is_dir($dir)) { + $dir_open = opendir($dir); + } + else if (is_dir($new_dir = getcwd() . $dir)) { + $dir_open = opendir($new_dir); + } + else if (is_dir($new_dir = getcwd() . '/' . $dir)) { + $dir_open = opendir($new_dir); + } + else { //If directory does not exist. + return FALSE; + } + if (!$dir_open) { //If opendir returned false then return false. + return FALSE; + } + //If it makes it this far $dir_open should be valid. + while (($dir_content = readdir($dir_open)) !== FALSE) { + $files[] = $dir_content; + } + return $files; +} + + +/** + * Forward user directly to the file for downloading + * + * @param $input_url + * string should be either a base64 encoded absolute URL, relative URL, or absolute URL. + * + * @param $vid + * integer node version ID of the node to have it's download counter updated. + * + * @param $base64_encoded + * boolean value determines whether the $input is base64 encoded. + * + * @return + * Nothing + */ +function _video_multidownload_download_goto($input_url, $vid, $base64_encoded) { + if (user_access('download video') && $base64_encoded) { + + $encoded_url = str_replace('-', '/', $input_url); //Replace "-" to "/" for MIME base64. + $location = base64_decode($encoded_url); + + if (variable_get('video_downloadcounter', 1)) { + db_query("UPDATE {video} SET download_counter = download_counter + 1 where vid = '%d'", $vid); //Increment download counter. + } + + header("Location: $location"); //Redirect to the video files URL. + } + else { //If the user does not have access to download videos. + drupal_set_message(t('You do not have permission to download videos.'), 'error'); + $node = node_load(array('vid' => $vid)); //Load a node with the $vid so we can get the nid. + drupal_goto("node/$node->nid"); //Use the nid we just loaded to go back to the node page. + } +} |