$path = $GLOBALS['pie']['custom_path'] . "/template";
if (!is_dir($path)) {
pieError("NoTemplates");
}
if (!($dh = opendir($path))) {
pieError("NoTemplates");
}
$list = array();
while (($file = readdir($dh)) !== false) {
if (!preg_match('/^\\w+$/', $file)) {
continue;
}
if (!($dump = file_get_contents("{$path}/{$file}"))) {
pieError("NoTemplates");
}
$meta = pieExplodePage($dump);
$list[$file] = $meta['title'];
}
closedir($dh);
asort($list);
// Present available templates.
$l = "";
foreach ($list as $file => $info) {
$l .= "<option value=\"{$file}\">" . htmlspecialchars($info) . "</option>\n";
}
pieError("TemplateList", array('templates' => $l));
} else {
// Create a new, empty page.
$_REQUEST['source'] = '';
}
// Initialize and print editing form.
}
$preview = pieTempName("_preview");
// Lock the page.
if (!$page->lock($GLOBALS['pie']['user'])) {
pieError("PageLockError");
}
// Retrieve source (by whatever means):
if (@$_REQUEST['source']) {
// Literal source provided.
$_REQUEST['source'] = pieCleanString($_REQUEST['source']);
} elseif (file_exists($preview)) {
// Read the source from a temporary preview file.
if (!($meta = file_get_contents($preview))) {
pieError("SourceReadError");
}
$meta = pieExplodePage($meta);
foreach ($meta as $k => $v) {
$_REQUEST[$k] = $v;
}
} else {
// No source available.
pieError("SourceEmpty");
}
$_REQUEST['source'] = preg_replace('/\\x0a{3,}/s', "\n\n", @$_REQUEST['source']);
// Prepare the previous version for examination.
$current = new Page();
if ($page->exists($page->name)) {
if (!$current->read($page->name, 0)) {
pieError('SourceReadError');
}
if (trim($current->source) == $_REQUEST['source']) {
