mirror of
https://github.com/Codiad/Codiad.git
synced 2026-03-05 00:44:00 +01:00
106 lines
3.6 KiB
PHP
106 lines
3.6 KiB
PHP
<?php
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/*
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* Copyright (c) Codiad & Kent Safranski (codiad.com), distributed
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* as-is and without warranty under the MIT License. See
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* [root]/license.txt for more. This information must remain intact.
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*/
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require_once('../../config.php');
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//////////////////////////////////////////////////////////////////
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// Verify Session or Key
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//////////////////////////////////////////////////////////////////
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checkSession();
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//////////////////////////////////////////////////////////////////
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// Get Action
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//////////////////////////////////////////////////////////////////
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if(!isset($_POST['action']) || empty($_POST['action'])) {
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exit(formatJSEND('error', 'No Action Specified'));
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}
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switch ($_POST['action']) {
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case 'register':
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/* FIXME beware of filenames with '%' characters. */
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$filename = BASE_PATH . '/data/' . str_replace('/', '_', $_POST['filename']) . '%%' . $_SESSION['user'];
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if (file_exists($filename)) {
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echo formatJSEND('error', 'Already registered as collaborator for ' . $_POST['filename']);
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} else {
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touch($filename);
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echo formatJSEND('success');
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}
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break;
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case 'unregister':
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$filename = BASE_PATH . '/data/' . str_replace('/', '_', $_POST['filename']) . '%%' . $_SESSION['user'];
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if (!file_exists($filename)) {
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echo formatJSEND('error', 'Not registered as collaborator for ' . $_POST['filename']);
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} else {
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unlink($filename);
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echo formatJSEND('success');
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}
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break;
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case 'unregisterFromAll':
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$basePath = BASE_PATH . '/data/';
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if ($handle = opendir($basePath)) {
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$regex = '/' . $_SESSION['user'] . '$/';
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while (false !== ($entry = readdir($handle))) {
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if (preg_match($regex, $entry)) {
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unlink($basePath . $entry);
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}
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}
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}
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echo formatJSEND('success');
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break;
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case 'cursorChange':
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if (isUserRegisteredForFile($_POST['filename'])) {
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$filename = str_replace('/', '_', $_POST['filename']) . '%%' . $_SESSION['user'] . '%%selection';
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$selection = json_decode($_POST['selection']);
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saveJSON($filename, $selection);
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echo formatJSEND('success');
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} else {
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echo formatJSEND('error', 'Not registered as collaborator for ' . $_POST['filename']);
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}
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break;
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case 'documentChange':
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if (isUserRegisteredForFile($_POST['filename'])) {
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$filename = str_replace('/', '_', $_POST['filename']) . '%%' . $_SESSION['user'] . '%%changes';
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$changes = array();
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if (file_exists(BASE_PATH . '/data/' . $filename)) {
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$changes = getJSON($filename);
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}
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$maxChangeIndex = max(array_keys($changes));
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$change = json_decode($_POST['change'], true);
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$change['version'] = json_decode($_POST['version']);
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$changes[++$maxChangeIndex] = $change;
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/* print_r($changes); */
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saveJSON($filename, $changes);
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echo formatJSEND('success');
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} else {
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echo formatJSEND('error', 'Not registered as collaborator for ' . $_POST['filename']);
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}
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break;
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default:
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exit(formatJSEND('error', 'Unknown Action ' . $_POST['action']));
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}
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function isUserRegisteredForFile($filename) {
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$marker = BASE_PATH . '/data/' . str_replace('/', '_', $_POST['filename']) . '%%' . $_SESSION['user'];
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return file_exists($marker);
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}
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?>
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