function makeAlias($original)
{
if (file_exists($this->_filePath($this->name))) {
// A file (i. e. page or alias) with this name exists.
if (!($info = $this->_current($this->name))) {
return false;
}
// We cannot create an alias whose name is already
// taken by a page.
if ($info['type'] != 'alias') {
return false;
}
}
// Prepare all necessary meta data, complementing the
// customized entries.
if (!$this->meta['stamp']) {
$this->meta['stamp'] = time();
}
$this->meta['type'] = 'alias';
$this->meta['original'] = pieBeautifyName($original);
if (!($f = fopen($this->_filePath($this->name), 'w'))) {
return false;
}
fwrite($f, pieImplodePage($this->meta, ''));
fclose($f);
return true;
}
$preview = pieTempName("_preview");
if (!$page->isValidName($page->name)) {
pieError("PageNameInvalid");
}
if (!$page->lock($GLOBALS['pie']['user'])) {
pieError("PageLockError");
}
// Retrieve the source:
if (@$_REQUEST['source']) {
// Save the provided data to a temporary file.
$_REQUEST['source'] = pieCleanString($_REQUEST['source']);
$data = array('title' => pieGetOption($_REQUEST['title']), 'section' => intval($_REQUEST['section']), 'comment' => pieGetOption($_REQUEST['comment']));
if (!($f = fopen($preview, "w"))) {
pieError("SourceWriteError");
}
if (fwrite($f, pieImplodePage($data, $_REQUEST['source'])) === false) {
pieError('SourceWriteError');
}
fclose($f);
} elseif (file_exists($preview)) {
// Read the data from the temporary preview file.
if (!($dump = file_get_contents($preview))) {
pieError("SourceReadError");
}
$meta = pieExplodePage($dump);
$_REQUEST['source'] = trim($meta['source']);
} else {
// No source available.
pieError("SourceReadError");
}
// Handle partial updates.
