mirror of
https://github.com/sbrl/Pepperminty-Wiki.git
synced 2024-12-23 01:55:01 +00:00
515 lines
15 KiB
PHP
515 lines
15 KiB
PHP
<?php
|
|
$start_time = time(true);
|
|
|
|
{settings}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////////
|
|
/////////////// Do not edit below this line unless you know what you are doing! ///////////////
|
|
///////////////////////////////////////////////////////////////////////////////////////////////
|
|
$version = "0.5";
|
|
session_start();
|
|
///////// Login System /////////
|
|
//clear expired sessions
|
|
if(isset($_SESSION["$settings->sessionprefix-expiretime"]) and
|
|
$_SESSION["$settings->sessionprefix-expiretime"] < time())
|
|
{
|
|
//clear the session variables
|
|
$_SESSION = [];
|
|
session_destroy();
|
|
}
|
|
|
|
if(!isset($_SESSION[$settings->sessionprefix . "-user"]) and
|
|
!isset($_SESSION[$settings->sessionprefix . "-pass"]))
|
|
{
|
|
//the user is not logged in
|
|
$isloggedin = false;
|
|
}
|
|
else
|
|
{
|
|
$user = $_SESSION[$settings->sessionprefix . "-user"];
|
|
$pass = $_SESSION[$settings->sessionprefix . "-pass"];
|
|
if($settings->users[$user] == $pass)
|
|
{
|
|
//the user is logged in
|
|
$isloggedin = true;
|
|
}
|
|
else
|
|
{
|
|
//the user's login details are invalid (what is going on here?)
|
|
//unset the session variables, treat them as an anonymous user, and get out of here
|
|
$isloggedin = false;
|
|
unset($user);
|
|
unset($pass);
|
|
//clear the session data
|
|
$_SESSION = []; //delete al lthe variables
|
|
session_destroy(); //destroy the session
|
|
}
|
|
}
|
|
//check to see if the currently logged in user is an admin
|
|
$isadmin = false;
|
|
if($isloggedin)
|
|
{
|
|
foreach($settings->admins as $admin_username)
|
|
{
|
|
if($admin_username == $user)
|
|
{
|
|
$isadmin = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
/////// Login System End ///////
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////
|
|
//////////////////////////// Security and Consistency Measures ////////////////////////////
|
|
///////////////////////////////////////////////////////////////////////////////////////////
|
|
if(!file_exists("./pageindex.json"))
|
|
{
|
|
$existingpages = glob("*.md");
|
|
$pageindex = new stdClass();
|
|
foreach($existingpages as $pagefilename)
|
|
{
|
|
$newentry = new stdClass();
|
|
$newentry->filename = utf8_encode($pagefilename);
|
|
$newentry->size = filesize($pagefilename);
|
|
$newentry->lastmodified = filemtime($pagefilename);
|
|
$newentry->lasteditor = utf8_encode("unknown");
|
|
$pagekey = utf8_encode(substr($pagefilename, 0, -3));
|
|
$pageindex->$pagekey = $newentry;
|
|
}
|
|
file_put_contents("./pageindex.json", json_encode($pageindex, JSON_PRETTY_PRINT));
|
|
unset($existingpages);
|
|
}
|
|
else
|
|
{
|
|
$pageindex = json_decode(file_get_contents("./pageindex.json"));
|
|
}
|
|
/*
|
|
* @summary makes a path safe
|
|
*
|
|
* @details paths may only contain alphanumeric characters, spaces, underscores, and dashes
|
|
*/
|
|
function makepathsafe($string) { return preg_replace("/[^0-9a-zA-Z\_\-\ ]/i", "", $string); }
|
|
|
|
/*
|
|
* @summary Hides an email address from bots by adding random html entities.
|
|
*
|
|
* @returns The mangled email address.
|
|
*/
|
|
function hide_email($str)
|
|
{
|
|
$hidden_email = "";
|
|
for($i = 0; $i < strlen($str); $i++)
|
|
{
|
|
if($str[$i] == "@")
|
|
{
|
|
$hidden_email .= "&#" . ord("@") . ";";
|
|
continue;
|
|
}
|
|
if(rand(0, 1) == 0)
|
|
$hidden_email .= $str[$i];
|
|
else
|
|
$hidden_email .= "&#" . ord($str[$i]) . ";";
|
|
}
|
|
|
|
return $hidden_email;
|
|
}
|
|
|
|
//Work around an Opera + Syntastic bug where there is no margin at the left hand side if there isn't a query string when accessing a .php file
|
|
if(!isset($_GET["action"]) and !isset($_GET["page"]))
|
|
{
|
|
http_response_code(302);
|
|
header("location: index.php?action=$settings->defaultaction&page=$defaultpage");
|
|
exit();
|
|
}
|
|
|
|
//make sure that the action is set
|
|
if(!isset($_GET["action"]))
|
|
$_GET["action"] = $settings->defaultaction;
|
|
//make sure that the page is set
|
|
if(!isset($_GET["page"]) or strlen($_GET["page"]) === 0)
|
|
$_GET["page"] = $settings->defaultpage;
|
|
|
|
//redirect the user to the safe version of the path if they entered an unsafe character
|
|
if(makepathsafe($_GET["page"]) !== $_GET["page"])
|
|
{
|
|
http_response_code(301);
|
|
header("location: index.php?action=" . rawurlencode($_GET["action"]) . "&page=" . makepathsafe($_GET["page"]));
|
|
header("x-requested-page: " . $_GET["page"]);
|
|
header("x-actual-page: " . makepathsafe($_GET["page"]));
|
|
exit();
|
|
}
|
|
$page = $_GET["page"];
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////
|
|
///////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////
|
|
////////////////////////////////////// HTML fragments //////////////////////////////////////
|
|
////////////////////////////////////////////////////////////////////////////////////////////
|
|
class page_renderer
|
|
{
|
|
public static $html_template = "<!DOCTYPE html>
|
|
<html>
|
|
<head>
|
|
<meta charset='utf-8' />
|
|
<title>{title}</title>
|
|
<meta name='viewport' content='width=device-width, initial-scale=1' />
|
|
<link rel='shortcut-icon' href='{favicon-url}' />
|
|
{header-html}
|
|
</head>
|
|
<body>
|
|
{body}
|
|
<!-- Took {generation-time-taken} seconds to generate -->
|
|
</body>
|
|
</html>
|
|
";
|
|
|
|
public static $main_content_template = "{navigation-bar}
|
|
<h1 class='sitename'>{sitename}</h1>
|
|
{content}
|
|
<footer>
|
|
<p>Powered by Pepperminty Wiki, which was built by <a href='//starbeamrainbowlabs.com/'>Starbeamrainbowlabs</a>. Send bugs to 'bugs at starbeamrainbowlabs dot com' or open an issue <a href='//github.com/sbrl/Pepperminty-Wiki'>on github</a>.</p>
|
|
<p>Your local friendly administrators are {admins-name-list}.
|
|
<p>This wiki is managed by <a href='mailto:{admin-details-email}'>{admin-details-name}</a>.</p>
|
|
</footer>
|
|
{all-pages-datalist}";
|
|
public static $minimal_content_template = "{content}
|
|
<hr class='footerdivider' />
|
|
<p><em>From {sitename}, which is managed by {admin-details-name}.</em></p>
|
|
<p><em>Timed at {generation-date}</em>
|
|
<p><em>Powered by Pepperminty Wiki.</em></p>";
|
|
|
|
public static function render($title, $content, $body_template)
|
|
{
|
|
global $settings, $start_time;
|
|
|
|
$result = self::$html_template;
|
|
$result = str_replace("{body}", $body_template, $result);
|
|
$result = str_replace([
|
|
"{sitename}",
|
|
"{favicon-url}",
|
|
"{header-html}",
|
|
|
|
"{navigation-bar}",
|
|
|
|
"{admin-details-name}",
|
|
"{admin-details-email}",
|
|
|
|
"{admins-name-list}",
|
|
|
|
"{generation-date}",
|
|
|
|
"{all-pages-datalist}"
|
|
], [
|
|
$settings->sitename,
|
|
$settings->favicon,
|
|
self::get_css_as_html(),
|
|
|
|
self::render_navigation_bar(),
|
|
|
|
$settings->admindetails["name"],
|
|
$settings->admindetails["email"],
|
|
|
|
implode(", ", $settings->admins),
|
|
|
|
date("l jS \of F Y \a\\t h:ia T"),
|
|
|
|
self::generate_all_pages_datalist()
|
|
], $result);
|
|
|
|
$result = str_replace([
|
|
"{title}",
|
|
"{content}"
|
|
], [
|
|
$title,
|
|
$content
|
|
], $result);
|
|
|
|
$result = str_replace("{generation-time-taken}", microtime(true) - $start_time, $result);
|
|
return $result;
|
|
}
|
|
public static function render_main($title, $content)
|
|
{
|
|
return self::render($title, $content, self::$main_content_template);
|
|
}
|
|
public static function render_minimal($title, $content)
|
|
{
|
|
return self::render($title, $content, self::$minimal_content_template);
|
|
}
|
|
|
|
|
|
public static function get_css_as_html()
|
|
{
|
|
global $settings;
|
|
|
|
if(preg_match("/^[^\/]*\/\/|^\//", $settings->css))
|
|
return "<link rel='stylesheet' href='$settings->css' />";
|
|
else
|
|
return "<style>$settings->css</style>";
|
|
}
|
|
|
|
public static function render_navigation_bar()
|
|
{
|
|
global $settings, $user, $isloggedin, $page;
|
|
$result = "<nav>\n";
|
|
|
|
if($isloggedin)
|
|
{
|
|
$result .= "\t\t\tLogged in as " . self::render_username($user) . ". ";
|
|
$result .= "<a href='index.php?action=logout'>Logout</a>. | \n";
|
|
}
|
|
else
|
|
$result .= "\t\t\tBrowsing as Anonymous. <a href='index.php?action=login'>Login</a>. | \n";
|
|
|
|
// loop over all the navigation links
|
|
foreach($settings->navlinks as $item)
|
|
{
|
|
if(is_string($item))
|
|
{
|
|
//the item is a string
|
|
switch($item)
|
|
{
|
|
//keywords
|
|
case "search": //displays a search bar
|
|
$result .= "\t\t\t<form method='get' action='index.php' style='display: inline;'><input type='search' name='page' list='allpages' placeholder='Type a page name here and hit enter' /></form>\n";
|
|
break;
|
|
|
|
//it isn't a keyword, so just output it directly
|
|
default:
|
|
$result .= "\t\t\t$item\n";
|
|
}
|
|
}
|
|
else
|
|
{
|
|
//output the item as a link to a url
|
|
$result .= "\t\t\t<a href='" . str_replace("{page}", $page, $item[1]) . "'>$item[0]</a>\n";
|
|
}
|
|
}
|
|
|
|
$result .= "\t\t</nav>";
|
|
return $result;
|
|
}
|
|
public static function render_username($name)
|
|
{
|
|
global $settings;
|
|
$result = "";
|
|
if(in_array($name, $settings->admins))
|
|
$result .= $settings->admindisplaychar;
|
|
$result .= $name;
|
|
|
|
return $result;
|
|
}
|
|
|
|
public static function generate_all_pages_datalist()
|
|
{
|
|
global $pageindex;
|
|
|
|
$result = "<datalist id='allpages'>\n";
|
|
foreach($pageindex as $pagename => $pagedetails)
|
|
{
|
|
$result .= "\t\t\t<option value='$pagename' />\n";
|
|
}
|
|
$result = "\t\t</datalist>";
|
|
|
|
return $result;
|
|
}
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////
|
|
////////////////////////////////////////////////////////////////////////////////////////////
|
|
///////////////////////////////////////// Slimdown /////////////////////////////////////////
|
|
////////////////////////////////////////////////////////////////////////////// %slimdown% //
|
|
////////////////////////////////////////////////////////////////////////////////////////////
|
|
/**
|
|
* Slimdown - A very basic regex-based Markdown parser. Supports the
|
|
* following elements (and can be extended via Slimdown::add_rule()):
|
|
*
|
|
* - Headers
|
|
* - Links
|
|
* - Bold
|
|
* - Emphasis
|
|
* - Deletions
|
|
* - Quotes
|
|
* - Inline code
|
|
* - Blockquotes
|
|
* - Ordered/unordered lists
|
|
* - Horizontal rules
|
|
*
|
|
* Author: Johnny Broadway <johnny@johnnybroadway.com>
|
|
* Website: https://gist.github.com/jbroadway/2836900
|
|
* License: MIT
|
|
*/
|
|
|
|
/**
|
|
* Modified by Starbeamrainbowlabs (starbeamrainbowlabs)
|
|
*
|
|
* Changed bold to use single asterisks
|
|
* Changed italics to use single underscores
|
|
* Added one to add the heading levels (no <h1> tags allowed)
|
|
* Added wiki style internal link parsing
|
|
* Added wiki style internal link parsing with display text
|
|
*/
|
|
class Slimdown {
|
|
public static $rules = array (
|
|
'/\r\n/' => "\n", // new line normalisation
|
|
'/(#+)(.*)/' => 'self::header', // headers
|
|
'/(\*)(.*?)\1/' => '<strong>\2</strong>', // bold
|
|
|
|
// todo test these
|
|
'/!\[(.*)\]\((.*)\)/' => '<img src="\2" alt="\1" />', // basic images
|
|
// todo end
|
|
|
|
'/(_)(.*?)\1/' => '<em>\2</em>', // emphasis
|
|
'/\[\[([a-zA-Z0-9\_\- ]+)\|([a-zA-Z0-9\_\- ]+)\]\]/' => '<a href=\'index.php?page=\1\'>\2</a>', //internal links with display text
|
|
'/\[\[([a-zA-Z0-9\_\- ]+)\]\]/' => '<a href=\'index.php?page=\1\'>\1</a>', //internal links
|
|
'/\[([^\[]+)\]\(([^\)]+)\)/' => '<a href=\'\2\' target=\'_blank\'>\1</a>', // links
|
|
'/\~\~(.*?)\~\~/' => '<del>\1</del>', // del
|
|
'/\:\"(.*?)\"\:/' => '<q>\1</q>', // quote
|
|
'/`(.*?)`/' => '<code>\1</code>', // inline code
|
|
'/\n\s*(\*|-)(.*)/' => 'self::ul_list', // ul lists
|
|
'/\n[0-9]+\.(.*)/' => 'self::ol_list', // ol lists
|
|
'/\n(>|\>)(.*)/' => 'self::blockquote', // blockquotes
|
|
'/\n-{3,}/' => "\n<hr />", // horizontal rule
|
|
'/\n([^\n]+)\n\n/' => 'self::para', // add paragraphs
|
|
'/<\/ul>\s?<ul>/' => '', // fix extra ul
|
|
'/<\/ol>\s?<ol>/' => '', // fix extra ol
|
|
'/<\/blockquote><blockquote>/' => "\n" // fix extra blockquote
|
|
);
|
|
private static function para ($regs) {
|
|
$line = $regs[1];
|
|
$trimmed = trim ($line);
|
|
if (preg_match ('/^<\/?(ul|ol|li|h|p|bl)/', $trimmed)) {
|
|
return "\n" . $line . "\n";
|
|
}
|
|
return sprintf ("\n<p>%s</p>\n", $trimmed);
|
|
}
|
|
private static function ul_list ($regs) {
|
|
$item = $regs[2];
|
|
return sprintf ("\n<ul>\n\t<li>%s</li>\n</ul>", trim($item));
|
|
}
|
|
private static function ol_list ($regs) {
|
|
$item = $regs[1];
|
|
return sprintf ("\n<ol>\n\t<li>%s</li>\n</ol>", trim($item));
|
|
}
|
|
private static function blockquote ($regs) {
|
|
$item = $regs[2];
|
|
return sprintf ("\n<blockquote>%s</blockquote>", trim($item));
|
|
}
|
|
private static function header ($regs) {
|
|
list ($tmp, $chars, $header) = $regs;
|
|
$level = strlen ($chars);
|
|
return sprintf ('<h%d>%s</h%d>', $level + 1, trim($header), $level + 1);
|
|
}
|
|
|
|
/**
|
|
* Add a rule.
|
|
*/
|
|
public static function add_rule ($regex, $replacement) {
|
|
self::$rules[$regex] = $replacement;
|
|
}
|
|
/**
|
|
* Render some Markdown into HTML.
|
|
*/
|
|
public static function render ($text) {
|
|
foreach (self::$rules as $regex => $replacement) {
|
|
if (is_callable ( $replacement)) {
|
|
$text = preg_replace_callback ($regex, $replacement, $text);
|
|
} else {
|
|
$text = preg_replace ($regex, $replacement, $text);
|
|
}
|
|
}
|
|
return trim ($text);
|
|
}
|
|
}
|
|
////////////////////////////////////////////////////////////////////////////////////////////
|
|
////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
///////////////////////////////////////////
|
|
//////////////// Functions ////////////////
|
|
///////////////////////////////////////////
|
|
//from http://php.net/manual/en/function.filesize.php#106569
|
|
//edited by Starbeamrainbowlabs
|
|
function human_filesize($bytes, $decimals = 2)
|
|
{
|
|
$sz = ["B", "KB", "MB", "GB", "TB", "PB", "EB", "YB", "ZB"];
|
|
$factor = floor((strlen($bytes) - 1) / 3);
|
|
return sprintf("%.{$decimals}f", $bytes / pow(1024, $factor)) . @$sz[$factor];
|
|
}
|
|
//from http://snippets.pro/snippet/137-php-convert-the-timestamp-to-human-readable-format/
|
|
function human_time_since($time)
|
|
{
|
|
$timediff = time() - $time;
|
|
$tokens = array (
|
|
31536000 => 'year',
|
|
2592000 => 'month',
|
|
604800 => 'week',
|
|
86400 => 'day',
|
|
3600 => 'hour',
|
|
60 => 'minute',
|
|
1 => 'second'
|
|
);
|
|
foreach ($tokens as $unit => $text) {
|
|
if ($timediff < $unit) continue;
|
|
$numberOfUnits = floor($timediff / $unit);
|
|
return $numberOfUnits.' '.$text.(($numberOfUnits>1)?'s':'').' ago';
|
|
}
|
|
}
|
|
///////////////////////////////////////////
|
|
|
|
//////////////////////////
|
|
/// Module functions ///
|
|
//////////////////////////
|
|
// These functions are //
|
|
// used by modules to //
|
|
// register themselves //
|
|
// or new pages. //
|
|
//////////////////////////
|
|
$modules = []; // list that contains all the loaded modules
|
|
// function to register a module
|
|
function register_module($moduledata)
|
|
{
|
|
global $modules;
|
|
//echo("registering module\n");
|
|
//var_dump($moduledata);
|
|
$modules[] = $moduledata;
|
|
}
|
|
|
|
// function to register an action handler
|
|
$actions = new stdClass();
|
|
function add_action($action_name, $func)
|
|
{
|
|
global $actions;
|
|
//echo("adding $action_name\n");
|
|
$actions->$action_name = $func;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////
|
|
|
|
|
|
// %next_module% //
|
|
|
|
|
|
// execute each module's code
|
|
foreach($modules as $moduledata)
|
|
{
|
|
$moduledata["code"]();
|
|
}
|
|
// make sure that the credits page exists
|
|
if(!isset($actions->credits))
|
|
{
|
|
exit(page_renderer::render_main("Error - $settings->$sitename", "<p>No credits page detected. The credits page is a required module!</p>"));
|
|
}
|
|
|
|
// Perform the appropriate action
|
|
$action_name = strtolower($_GET["action"]);
|
|
if(isset($actions->$action_name))
|
|
{
|
|
$req_action_data = $actions->$action_name;
|
|
$req_action_data();
|
|
}
|
|
else
|
|
{
|
|
exit(page_renderer::render_main("Error - $settings->sitename", "<p>No action called " . strtolower($_GET["action"]) ." has been registered. Perhaps you are missing a module?</p>"));
|
|
}
|
|
?>
|