mirror of
https://github.com/sbrl/Pepperminty-Wiki.git
synced 2024-11-22 04:23:01 +00:00
594 lines
18 KiB
PHP
594 lines
18 KiB
PHP
<?php
|
|
$start_time = time(true);
|
|
|
|
{settings}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////////
|
|
/////////////// Do not edit below this line unless you know what you are doing! ///////////////
|
|
///////////////////////////////////////////////////////////////////////////////////////////////
|
|
$version = "0.6";
|
|
session_start();
|
|
///////// Login System /////////
|
|
//clear expired sessions
|
|
if(isset($_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 ///////
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////
|
|
//////////////////////////////////////// Functions ////////////////////////////////////////
|
|
///////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
/*
|
|
* @summary Converts a filesize into a human-readable string.
|
|
* @source http://php.net/manual/en/function.filesize.php#106569
|
|
* @editor Starbeamrainbowlabs
|
|
*
|
|
* @param $bytes - The number of bytes to convert.
|
|
* @param $decimals - The number of decimal places to preserve.
|
|
*/
|
|
function human_filesize($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];
|
|
}
|
|
/*
|
|
* @summary Calculates the time sincce a particular timestamp and returns a
|
|
* human-readable result.
|
|
* @source http://snippets.pro/snippet/137-php-convert-the-timestamp-to-human-readable-format/
|
|
*
|
|
* @param $time - The timestamp to convert.
|
|
*
|
|
* @returns {string} - The time since the given timestamp pas a human-readable string.
|
|
*/
|
|
function human_time_since($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';
|
|
}
|
|
}
|
|
|
|
/*
|
|
* @summary A recursive glob() function.
|
|
*
|
|
* @param $pattern - The glob pattern to use to find filenames.
|
|
* @param $flags - The glob flags to use when finding filenames.
|
|
*
|
|
* @returns {array} - An array of the filepaths that match the given glob.
|
|
*/
|
|
// From http://in.php.net/manual/en/function.glob.php#106595
|
|
function glob_recursive($pattern, $flags = 0)
|
|
{
|
|
$files = glob($pattern, $flags);
|
|
foreach (glob(dirname($pattern).'/*', GLOB_ONLYDIR|GLOB_NOSORT) as $dir)
|
|
{
|
|
$prefix = "$dir/";
|
|
// Remove the "./" from the beginning if it exists
|
|
if(substr($prefix, 0, 2) == "./") $prefix = substr($prefix, 2);
|
|
$files = array_merge($files, glob_recursive($prefix . basename($pattern), $flags));
|
|
}
|
|
return $files;
|
|
}
|
|
|
|
/*
|
|
* @summary Gets a list of all the sub pagess of the current page.
|
|
*
|
|
* @param $pageindex - The pageindex to use to search.
|
|
* @param $pagename - The name of the page to list the sub pages of.
|
|
*
|
|
* @returns An objectt containing all the subpages, and their respective distances from the given page name in the pageindex tree.
|
|
*/
|
|
function get_subpages($pageindex, $pagename)
|
|
{
|
|
$pagenames = get_object_vars($pageindex);
|
|
$result = new stdClass();
|
|
|
|
$stem = "$pagename/";
|
|
$stem_length = strlen($stem);
|
|
foreach($pagenames as $entry => $value)
|
|
{
|
|
if(substr($entry, 0, $stem_length) == $stem)
|
|
{
|
|
// We found a subpage
|
|
|
|
// Extract the subpage's key relative to the page that we are searching for
|
|
$subpage_relative_key = substr($entry, $stem_length, -3);
|
|
// Calculate how many times removed the current subpage is from the current page. 0 = direct descendant.
|
|
$times_removed = substr_count($subpage_relative_key, "/");
|
|
// Store the name of the subpage we found
|
|
$result->$entry = $times_removed;
|
|
}
|
|
}
|
|
|
|
unset($pagenames);
|
|
return $result;
|
|
}
|
|
|
|
/*
|
|
* @summary Makes sure that a subpage's parents exist. Note this doesn't check the pagename itself.
|
|
*
|
|
* @param The pagename to check.
|
|
*
|
|
*/
|
|
function check_subpage_parents($pagename)
|
|
{
|
|
global $pageindex;
|
|
// Save the new pageindex and return if there aren't any more parent pages to check
|
|
if(strpos($pagename, "/") === false)
|
|
{
|
|
file_put_contents("./pageindex.json", json_encode($pageindex, JSON_PRETTY_PRINT));
|
|
return;
|
|
}
|
|
|
|
$parent_pagename = substr($pagename, 0, strrpos($pagename, "/"));
|
|
$parent_page_filename = "$parent_pagename.md";
|
|
if(!file_exists($parent_page_filename))
|
|
{
|
|
// This parent page doesn't exist! Create it and add it to the page index.
|
|
touch($parent_page_filename, 0);
|
|
|
|
$newentry = new stdClass();
|
|
$newentry->filename = $parent_page_filename;
|
|
$newentry->size = 0;
|
|
$newentry->lastmodified = 0;
|
|
$newentry->lasteditor = "none";
|
|
$pageindex->$parent_pagename = $newentry;
|
|
}
|
|
|
|
check_subpage_parents($parent_pagename);
|
|
}
|
|
|
|
/*
|
|
* @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;
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////
|
|
//////////////////////////// Security and Consistency Measures ////////////////////////////
|
|
///////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
/*
|
|
* Sort out the pageindex. We create it if it doesn't exist, and load and parse
|
|
* it if it does.
|
|
*/
|
|
if(!file_exists("./pageindex.json"))
|
|
{
|
|
$existingpages = glob_recursive("*.md");
|
|
$pageindex = new stdClass();
|
|
// We use a for loop here because foreach doesn't loop over new values inserted
|
|
// while we were looping
|
|
for($i = 0; $i < count($existingpages); $i++)
|
|
{
|
|
$pagefilename = $existingpages[$i];
|
|
|
|
// Create a new entry
|
|
$newentry = new stdClass();
|
|
$newentry->filename = utf8_encode($pagefilename); // Store the filename
|
|
$newentry->size = filesize($pagefilename); // Store the page size
|
|
$newentry->lastmodified = filemtime($pagefilename); // Store the date last modified
|
|
// Todo find a way to keep the last editor independent of the page index
|
|
$newentry->lasteditor = utf8_encode("unknown"); // Set the editor to "unknown"
|
|
// Extract the name of the (sub)page without the ".md"
|
|
$pagekey = utf8_encode(substr($pagefilename, 0, -3));
|
|
|
|
// Subpage parent checker
|
|
if(strpos($pagekey, "/") !== false)
|
|
{
|
|
// We have a sub page people
|
|
// Work out what our direct parent's key must be in order to check to
|
|
// make sure that it actually exists. If it doesn't, then we need to
|
|
// create it.
|
|
$subpage_parent_key = substr($pagekey, 0, strrpos($pagekey, "/"));
|
|
$subpage_parent_filename = "$subpage_parent_key.md";
|
|
if(array_search($subpage_parent_filename, $existingpages) === false)
|
|
{
|
|
// Our parent page doesn't acutally exist - create it
|
|
touch($subpage_parent_filename, 0);
|
|
// Furthermore, we should add this page to the list of existing pages
|
|
// in order for it to be indexed
|
|
$existingpages[] = $subpage_parent_filename;
|
|
}
|
|
}
|
|
|
|
// Store the new entry in the new page index
|
|
$pageindex->$pagekey = $newentry;
|
|
}
|
|
file_put_contents("./pageindex.json", json_encode($pageindex, JSON_PRETTY_PRINT));
|
|
unset($existingpages);
|
|
}
|
|
else
|
|
{
|
|
$pageindex = json_decode(file_get_contents("./pageindex.json"));
|
|
}
|
|
|
|
// Work around an Opera + Syntastic bug where there is no margin at the left hand side if there isn't a query string when accessing a .php file
|
|
if(!isset($_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}' />
|
|
<link rel='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>
|
|
<main>
|
|
{content}
|
|
</main>
|
|
|
|
<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>
|
|
{navigation-bar-bottom}
|
|
{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 = false)
|
|
{
|
|
global $settings, $start_time;
|
|
|
|
if($body_template === false)
|
|
$body_template = page_renderer::$main_content_template;
|
|
|
|
$result = self::$html_template;
|
|
$result = str_replace("{body}", $body_template, $result);
|
|
$result = str_replace([
|
|
"{sitename}",
|
|
"{favicon-url}",
|
|
"{header-html}",
|
|
|
|
"{navigation-bar}",
|
|
"{navigation-bar-bottom}",
|
|
|
|
"{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->nav_links, $settings->nav_links_extra, "top"),
|
|
self::render_navigation_bar($settings->nav_links_bottom, [], "bottom"),
|
|
|
|
$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 $nav_divider = "<span class='nav-divider inflexible'> | </span>";
|
|
|
|
/*
|
|
* @summary Function to render a navigation bar from an array of links. See
|
|
* $settings->nav_links for format information.
|
|
*
|
|
* @param $nav_links - The links to add to the navigation bar.
|
|
* @param $nav_links_extra - The extra nav links to add to the "More..."
|
|
* menu.
|
|
*/
|
|
public static function render_navigation_bar($nav_links, $nav_links_extra, $class = "")
|
|
{
|
|
global $settings, $user, $isloggedin, $page;
|
|
$result = "<nav class='$class'>\n";
|
|
|
|
// Loop over all the navigation links
|
|
foreach($nav_links as $item)
|
|
{
|
|
if(is_string($item))
|
|
{
|
|
// The item is a string
|
|
switch($item)
|
|
{
|
|
//keywords
|
|
case "user-status":
|
|
if($isloggedin)
|
|
{
|
|
$result .= "<span class='inflexible'>Logged in as " . self::render_username($user) . ".</span> "/* . page_renderer::$nav_divider*/;
|
|
$result .= "<span><a href='index.php?action=logout'>Logout</a></span>";
|
|
$result .= page_renderer::$nav_divider;
|
|
}
|
|
else
|
|
$result .= "<span class='inflexible'>Browsing as Anonymous.</span>" . /*page_renderer::$nav_divider . */"<span><a href='index.php?action=login'>Login</a></span>" . page_renderer::$nav_divider;
|
|
break;
|
|
|
|
case "search": // Displays a search bar
|
|
$result .= "<span class='inflexible'><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></span>";
|
|
break;
|
|
|
|
case "divider": // Displays a divider
|
|
$result .= page_renderer::$nav_divider;
|
|
break;
|
|
|
|
case "menu":
|
|
$result .= "<span class='inflexible nav-more'><label for='more-menu-toggler'>More...</label>
|
|
<input type='checkbox' class='off-screen' id='more-menu-toggler' />";
|
|
$result .= page_renderer::render_navigation_bar($nav_links_extra, [], "nav-more-menu");
|
|
$result .= "</span>";
|
|
break;
|
|
|
|
// It isn't a keyword, so just output it directly
|
|
default:
|
|
$result .= "<span>$item</span>";
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Output the item as a link to a url
|
|
$result .= "<span><a href='" . str_replace("{page}", $page, $item[1]) . "'>$item[0]</a></span>";
|
|
}
|
|
}
|
|
|
|
$result .= "</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;
|
|
}
|
|
}
|
|
|
|
//////////////////////////
|
|
/// 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;
|
|
}
|
|
|
|
// Function to register a new parser. If multiple parsers are registered then
|
|
// only the last parser registered will actually be used.
|
|
$parse_page_source = function() {
|
|
throw new Exception("No parser registered!");
|
|
};
|
|
function add_parser($parser_code)
|
|
{
|
|
global $parse_page_source;
|
|
$parse_page_source = $parser_code;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////
|
|
|
|
|
|
// %next_module% //
|
|
|
|
|
|
// Execute each module's code
|
|
foreach($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>"));
|
|
}
|
|
?>
|