'OpenDocument Text', 'docx' => 'Microsoft Word', 'rtf' => 'Rich Text Format', 'txt' => 'Plain Text', 'pdf' => 'PDF Document', 'epub' => 'EPUB Publication', 'zip' => 'Zipped html Document', 'pptx' => 'Microsoft PowerPoint', 'ods' => 'OpenDocument Spreadsheet', 'xlsx' => 'Microsoft Excel'), $dFormats = array('odt', 'docx', 'rtf', 'txt', 'pdf', 'epub', 'zip'), $pFormats = array('pptx', 'pdf'), $ssFormats = array('ods', 'xlsx', 'pdf', 'zip'), $sFormats = array(13 => 'ods', 420 => 'xlsx', 12 => 'pdf');
public function Download($link) {
$this->checkBug78902($link);
if (!preg_match('@https?://(?:[\w\-]+\.)*(?:drive|docs)\.google\.com/(?:(?:folderview|open|(?:a/[\w\-\.]+/)?uc)\?(?:[\w\-\%]+=[\w\-\%]*&)*id=|(?:folder|file|document|presentation|spreadsheets)/d/|spreadsheet/ccc\?(?:[\w\-\%]+=[\w\-\%]*&)*key=|drive/folders/)([\w\-]{28,})@i', $link, $this->ID)) html_error('File/Folder ID not found at link.');
$this->ID = $this->ID[1];
// Use /open link for check if ID exists and also get it's type.
$page = $this->GetPage('https://drive.google.com/open?id='.$this->ID);
if (substr($page, 9, 3) == '404') html_error('File/Folder doesn\'t exists.');
if (substr($page, 9, 1) != '3' || !preg_match('@\nLocation: https?://(?:[\w\-]+\.)*(?:drive|docs)\.google\.com/(?:drive/)?(\w+)[\?/]@i', $page, $type)) html_error('Cannot find /open redirect.');
switch (strtolower($type[1])) {
case 'file': $this->File();break;
case 'folder': case 'folders': case 'folderview': $this->Folder();break;
case 'document': $this->Document();break;
case 'presentation': $this->Presentation();break;
case 'spreadsheets': $this->Spreadsheets();break; // New spreadsheets
case 'spreadsheet': $this->Spreadsheet();break;
default: html_error('Unknown /open redirect.');break;
}
}
private function checkBug78902($link = '') {
// 7.4 - 7.4.2, 7.3.11 - 7.3.14, 7.2.24 - 7.2.*
if (substr(PHP_OS, 0, 3) == 'WIN' || version_compare(PHP_VERSION, '7.2.24', '<') || version_compare(PHP_VERSION, '7.4.2', '>') || !version_compare(PHP_VERSION, '7.3.14', '<=')) return;
if (empty($link)) echo('
');
$this->changeMesg('Warning: Running on PHP v' . PHP_VERSION . ' (Please Upgrade)
Downloads with this PHP release will be affected by the bug #78902 and will leak RAM until exhausted.
File may stop at a random size (up to ~1 GB).');
if (!empty($_GET['method']) && $_GET['method'] == '78902') return;
if (!empty($link)) {
$form = $this->DefaultParamArr($link);
$form['method'] = '78902';
echo "\n\n";
include(TEMPLATE_DIR.'footer.php');
exit();
}
}
private function isPrivate($page) {
if (substr($page, 9, 2) == '30') is_present($page, 'Location: https://www.google.com/accounts/ServiceLogin', 'Private File/Folder.');
else is_present($page, "0; url='https://www.google.com/accounts/ServiceLogin", 'Private File/Folder.');
}
private function File() {
$page = $this->GetPage('https://drive.google.com/uc?export=download&confirm=T822&id='.$this->ID, "download_warning_13058876669334088843_{$this->ID}=T822");
$this->isPrivate($page);
if (substr($page, 9, 1) != '3' || !preg_match('@\nLocation: (https?://(?:[\w\-]+\.)*googleusercontent\.com/[^\r\n]+)@i', $page, $dl)) html_error('File\'s download-link not found.');
$this->RedirectDownload($dl[1], 'fGoogle', 0, 0, 'https://drive.google.com/file/d/'.$this->ID);
}
private function Folder() {
if (isset($_GET['audl'])) html_error('Cannot check folder in audl.');
$page = $this->GetPage('https://drive.google.com/drive/folders/'.$this->ID);
$this->isPrivate($page);
if (!preg_match_all('@\\\x5b\\\x22([\w\-]{28,})\\\x22,@i', $page, $ids) && !preg_match_all('@\[(\\\x22)([\w\-]{28,})\1,\[\1[\w\-]{28,}\1\]\\\n,\1(?>.*?\1),\1(?!application\\\/vnd\.google-apps\.folder)@i', $page, $ids, PREG_SET_ORDER)) html_error('Empty folder?');
$ids = $ids[1];
$links = array();
foreach ($ids as $id) $links[] = "https://drive.google.com/uc?id=$id&export=download";
$this->moveToAutoDownloader($links);
}
private function Document() {
$url = 'https://docs.google.com/document/d/'.$this->ID;
$page = $this->GetPage("$url/edit");
$this->isPrivate($page);
if (empty($_GET['T8']['format']) && !isset($_GET['audl'])) $this->formatSelector(1);
$format = (!empty($_GET['T8']['format']) && in_array($_GET['T8']['format'], $this->dFormats)) ? $_GET['T8']['format'] : reset($this->dFormats);
$this->RedirectDownload("$url/export?format=$format", 'dGoogle', 0, 0, $url);
}
private function Presentation() {
$url = 'https://docs.google.com/presentation/d/'.$this->ID;
$page = $this->GetPage("$url/edit");
$this->isPrivate($page);
if (empty($_GET['T8']['format']) && !isset($_GET['audl'])) $this->formatSelector(2);
$format = (!empty($_GET['T8']['format']) && in_array($_GET['T8']['format'], $this->pFormats)) ? $_GET['T8']['format'] : reset($this->pFormats);
$this->RedirectDownload("$url/export/$format", 'pGoogle', 0, 0, $url);
}
private function Spreadsheets() {
$url = 'https://docs.google.com/spreadsheets/d/'.$this->ID;
$page = $this->GetPage("$url/edit");
$this->isPrivate($page);
if (empty($_GET['T8']['format']) && !isset($_GET['audl'])) $this->formatSelector(3);
$format = (!empty($_GET['T8']['format']) && in_array($_GET['T8']['format'], $this->ssFormats)) ? $_GET['T8']['format'] : reset($this->ssFormats);
$this->RedirectDownload("$url/export/$format", 'ssGoogle', 0, 0, $url);
}
private function Spreadsheet() {
$url = 'https://docs.google.com/spreadsheet';
$page = $this->GetPage("$url/ccc?key=".$this->ID);
$this->isPrivate($page);
$cookie = GetCookiesArr($page);
if (substr($page, 9, 1) != '3' || !preg_match('@\nLocation: (https?://(?:[\w\-]+\.)*google\.com/[^\r\n]+)@i', $page, $redir)) html_error("Redirect 1 not found");
$page = $this->GetPage($redir[1], $cookie);
$cookie = GetCookiesArr($page, $cookie);
if (empty($cookie['PREF'])) html_error("Cookie 'PREF' not found");
$page = $this->GetPage("$url/ccc?key=".$this->ID, $cookie);
if (empty($_GET['T8']['format']) && !isset($_GET['audl'])) $this->formatSelector(4);
if (empty($_GET['T8']['format']) || ($fmcmd = array_search($_GET['T8']['format'], $this->sFormats)) === false) {
reset($this->sFormats);
$fmcmd = key($this->sFormats);
}
if (($cmdUrl = cut_str($page, '/fm?id=', '"')) == false || !preg_match('@[\w\-\.]+@i', $cmdUrl, $cmdId)) html_error('Download ID not found.');
$this->RedirectDownload("$url/fm?id={$cmdId[0]}&fmcmd=$fmcmd", 'sGoogle', $cookie, 0, "$url/ccc?key=".$this->ID);
}
private function formatSelector($type = 1) {
switch ($type) {
case 1: $tName = 'Document';$formats = $this->dFormats;break;
case 2: $tName = 'Presentation';$formats = $this->pFormats;break;
case 3: $tName = 'Spreadsheets';$formats = $this->ssFormats;break;
case 4: $tName = 'Spreadsheet';$formats = $this->sFormats;break;
default: html_error('formatSelector: Unknown type.');
}
if (count($formats) == 1) return $_GET['T8'] = array('format' => reset($formats));
echo "\n
$tName format selector.";
echo "\n\n
\n