<?php
/*
* Cancel editing a page.
*/
include_once "{$lib}/class/page.php";
include_once "{$lib}/class/session.php";
include_once "{$lib}/class/locale.php";
include_once "{$lib}/share/auth.php";
include_once "{$lib}/share/stdio.php";
include_once "{$lib}/share/storage.php";
pieRequireUser();
pieHead();
$_REQUEST['page'] = pieGetOption(@$_REQUEST['page']);
$preview = pieTempName("_preview");
// Check permission:
$page = new Page();
if (!$page->isValidName(@$_REQUEST['page'])) {
pieError("PageNameInvalid");
}
$page->name = $_REQUEST['page'];
if (!$page->lock($GLOBALS['pie']['user'])) {
pieError("PageLockError");
}
// Clean up what has been set up while editing:
if (file_exists($preview)) {
unlink($preview);
}
$page->unlock($GLOBALS['pie']['user']);
pieNotice("Cancelation");
pieTail();
include_once "{$lib}/share/string.php";
include_once "{$lib}/compiler/html.php";
pieLoadLocale();
pieRequireUser();
pieHead("edit");
$_REQUEST['page'] = pieBeautifyName(pieGetOption(@$_REQUEST['page']));
$_REQUEST['section'] = intval(@$_REQUEST['section']);
$_REQUEST['stamp'] = intval(@$_REQUEST['stamp']);
if ($_REQUEST['stamp'] < 1) {
$_REQUEST['stamp'] = 0;
}
$page = new Page();
$page->name = $_REQUEST['page'];
$preview = pieTempName("_preview");
// Check validity.
if (!$page->isValidName($page->name)) {
pieError("PageNameInvalid");
}
if (!$page->lock($GLOBALS['pie']['user'])) {
pieError("PageLockError");
}
// Prepare editing environment.
if ($GLOBALS['pie']['edit_timeout']) {
pieExpireDirectory($GLOBALS['pie']['run_path'] . "/temp", $GLOBALS['pie']['edit_timeout']);
}
$_REQUEST['cols'] = 80;
$_REQUEST['rows'] = 20;
$_REQUEST['author'] = $GLOBALS['pie']['user'];
$pref = new UserPref();
if (($t = $pref->read($GLOBALS['pie']['user'], "cols")) !== false) {
$_REQUEST['cols'] = $t;
include_once "{$lib}/share/link.php";
include_once "{$lib}/share/stdio.php";
include_once "{$lib}/share/string.php";
pieLoadLocale();
if (@$_REQUEST['create']) {
pieRequireUser();
}
pieHead();
// Determine the state of operation depending on the provided input.
unset($original);
unset($alias);
if (@$_REQUEST['page']) {
$_REQUEST['page'] = pieGetOption($_REQUEST['page']);
$original = $_REQUEST['page'];
$resource = new Page();
if (!$resource->isValidName($original)) {
pieError("PageNameInvalid");
}
$context = 'page';
} elseif (@$_REQUEST['file']) {
$_REQUEST['file'] = pieGetOption($_REQUEST['file']);
$original = $_REQUEST['file'];
$resource = new File();
if (!$resource->isValidName($original)) {
pieError("FileNameInvalid");
}
$context = 'file';
} else {
pieError("ActionInvalid");
}
// Verify the alias:
* Display the history of a page.
*/
include_once "{$lib}/class/locale.php";
include_once "{$lib}/class/page.php";
include_once "{$lib}/class/file.php";
include_once "{$lib}/share/link.php";
include_once "{$lib}/share/stdio.php";
include_once "{$lib}/share/string.php";
pieLoadLocale();
pieHead();
if (@$_REQUEST['page']) {
// Preparations for pages.
$_REQUEST['page'] = pieGetOption($_REQUEST['page']);
$resource = new Page();
$resource->name = $_REQUEST['page'];
if (!$resource->isValidName($_REQUEST['page'])) {
pieError("PageNameInvalid");
}
if (!$resource->exists($_REQUEST['page'])) {
pieError("PageNotFound");
}
if (!$resource->read($_REQUEST['page'], 0)) {
pieError("SourceReadError");
}
if ($resource->meta['type'] == "alias") {
pieError("AliasRedirect", array('page' => htmlspecialchars($resource->meta['original']), 'alias' => htmlspecialchars($_REQUEST['page'])));
}
$context = 'page';
$history = $resource->history($_REQUEST['page']);
} elseif (@$_REQUEST['file']) {
// Preparations for files.
function writePage($name, $meta)
{
if (!$meta['stamp']) {
$meta['stamp'] = time();
}
$page = new Page();
if (!$page->isValidName($name)) {
return false;
}
if (!$page->exists($name)) {
return $this->_writeFullSource($name, $meta);
}
// Determine the current diff level.
$work = $meta;
$work['parent'] = 0;
for ($level = 0; $work['type'] != 'full'; $level++) {
if (!$page->read($name, $work['parent'])) {
return false;
}
$work = $page->meta;
}
$max = intval($GLOBALS['pie']['max_diff_level']);
if ($max > 0 && $level > $max) {
return $this->_writeFullSource($name, $meta);
}
// Determine the version to be referred to as parent.
if (!($current = $this->readPage($name, 0))) {
return false;
}
$meta['parent'] = $current['stamp'];
// Create a diff between the latest version and the new one.
if (!($diff = $this->diff($current['source'], $meta['source']))) {
return false;
}
if (strlen($meta['source']) - strlen($diff) < 100) {
// The diff is not much smaller (or even larger)
// than the original source.
// Write a full version instead of just a diff.
unset($meta['parent']);
return $this->_writeFullSource($name, $meta);
}
// Note:
// At this stage, it is decided to write a diff instead
// of a full version.
// If the current page is an alias, delete it altogether,
// to be replaced by a real page with the current data.
if ($current['type'] == 'alias') {
if (!$page->delete($name)) {
return false;
}
}
// Replace the latest shadow, if any.
$replace = false;
if ($current['type'] == 'shadow') {
$replace = true;
}
// Write a diff.
$page->name = $name;
$page->source = $diff;
$full = $meta['source'];
unset($meta['source']);
$meta['type'] = 'diff';
$page->meta = $meta;
if (!$page->write($replace)) {
return false;
}
// Create an additional shadow record including the full source.
$page->source = $full;
$page->meta['type'] = 'shadow';
return $page->write(false);
}
pieHead();
if (@$_REQUEST['page'] && !@$_REQUEST['file']) {
$_REQUEST['page'] = pieGetOption($_REQUEST['page']);
$target = $_REQUEST['page'];
$context = "page";
} elseif (@$_REQUEST['file'] && !@$_REQUEST['page']) {
$_REQUEST['file'] = pieGetOption($_REQUEST['file']);
$target = $_REQUEST['file'];
$context = "file";
} else {
pieError("ActionInvalid");
}
// Page or file?
if ($context == "page") {
$object = new Page();
if (!$object->isValidName($target)) {
pieError("PageNameInvalid");
}
if (!$object->exists($target)) {
pieError("PageNotFound");
}
if (!$object->read($target, 0)) {
pieError("SourceReadError");
}
// Lock the page.
if (!$object->lock($GLOBALS['pie']['user'])) {
pieError("PageLockError");
}
} elseif ($context == "file") {
$object = new File();
if (!$object->isValidName($target)) {
pieHead("edit");
if (@$_REQUEST['page'] && !@$_REQUEST['file']) {
$_REQUEST['page'] = pieGetOption($_REQUEST['page']);
$source = $_REQUEST['page'];
$context = "page";
} elseif (@$_REQUEST['file'] && !@$_REQUEST['page']) {
$_REQUEST['file'] = pieGetOption($_REQUEST['file']);
$source = $_REQUEST['file'];
$context = "file";
} else {
pieError("ActionInvalid");
}
// Validate the source: page or file?
if ($context == "page") {
$object = new Page();
if (!$object->isValidName($source)) {
pieError("PageNameInvalid");
}
if (!$object->exists($source)) {
pieError("PageNotFound");
}
if (!$object->read($source, 0)) {
pieError("SourceReadError");
}
// Lock the page.
if (!$object->lock($GLOBALS['pie']['user'])) {
pieError("PageLockError");
}
} elseif ($context == "file") {
$object = new File();
if (!$object->isValidName($source)) {
* Display a list of pages that refer to the specified resource.
*/
include_once "{$lib}/class/file.php";
include_once "{$lib}/class/page.php";
include_once "{$lib}/class/locale.php";
include_once "{$lib}/share/link.php";
include_once "{$lib}/share/stdio.php";
include_once "{$lib}/share/string.php";
include_once "{$lib}/share/referers.php";
pieLoadLocale();
pieHead();
// Verify the input.
if (@$_REQUEST['page'] && !@$_REQUEST['file']) {
$resource = pieGetOption($_REQUEST['page']);
$page = new Page();
if (!$page->isValidName($resource)) {
pieError("PageNameInvalid");
}
if (!$page->exists($resource)) {
pieError("PageNotFound");
}
$context = "page";
} elseif (@$_REQUEST['file'] && !@$_REQUEST['page']) {
$resource = pieGetOption($_REQUEST['file']);
$file = new File();
if (!$file->isValidName($resource)) {
pieError("FileNameInvalid");
}
if (!$file->exists($resource)) {
pieError("FileNotFound");
}
}
pieTail();
exit;
}
// Start here:
if (@$_REQUEST['string']) {
$string = pieBeautifyName(pieGetOption($_REQUEST['string']));
$_REQUEST['page'] = $string;
} elseif (@$_REQUEST['page']) {
$string = pieBeautifyName(pieGetOption($_REQUEST['page']));
} else {
pieHead();
pieError("GotoForm");
}
$page = new Page();
if (!$page->isValidName($string)) {
pieHead();
pieError("PageNameInvalid");
}
if ($GLOBALS['pie']['page_caching']) {
$cache = new Cache();
$cid = $cache->key('page', array('page' => $string));
if ($cache->exists($cid)) {
$output = file_get_contents($cache->file($cid));
pieHead();
if ($_REQUEST['referer']) {
$_REQUEST['page'] = $string;
if (substr($output, 0, 3) == "<h1") {
list($header, $output) = explode("\n", $output, 2);
}
$output = "{$header}\n" . getReferer() . $output;
