mirror of
https://github.com/sbrl/Pepperminty-Wiki.git
synced 2024-12-23 01:55:01 +00:00
1022 lines
38 KiB
PHP
Executable file
1022 lines
38 KiB
PHP
Executable file
<?php
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$start_time = time(true);
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/*
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* Pepperminty Wiki
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* ================
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* Inspired by Minty Wiki by am2064:
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* Link: https://github.com/am2064/Minty-Wiki
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*
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* Credits:
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* Code by @Starbeamrainbowlabs
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* Slimdown - by Johnny Broadway from https://gist.github.com/jbroadway/2836900
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* Bug reports:
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* #1 - Incorrect closing tag - nibreh <https://github.com/nibreh/>
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*/
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$settings = new stdClass();
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// the site's name
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$settings->sitename = "Pepperminty Wiki";
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// the url from which to fetch updates. Defaults to the master (development) branch If there is sufficient demand, a separate stable branch will be created.
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//currently not implemented (yet).
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// MAKE SURE THAT THIS POINTS TO A HTTP URL, OTHERWISE SOMEONE COULD INJECT A VIRUS INTO YOUR WIKI
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$settings->updateurl = "https://raw.githubusercontent.com/sbrl/pepperminty-wiki/master/index.php";
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// the secret key used to perform 'dangerous' actions, like updating the wiki, and deleting pages. It is strongly advised that you change this!
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// note that (semi)automatic updating of your wiki has not been added yet.
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$settings->sitesecret = "ed420502615bac9037f8f12abd4c9f02";
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// whether people can edit the site
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$settings->editing = true;
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// the maximum number of characters allowed in a single page
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$settings->maxpagesize = 135000; //135,000 characters, or 50 pages
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// whether users who aren't logged in are allowed to edit
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$settings->anonedits = false;
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// the name of the page that will act as the home page for the wiki. This page will be served if the user didn't specify a page.
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$settings->defaultpage = "Main Page";
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// usernames and passwords - passwords should be hashed with sha256
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$settings->users = [
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"admin" => "5e884898da28047151d0e56f8dc6292773603d0d6aabbdd62a11ef721d1542d8", //password
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"user" => "873ac9ffea4dd04fa719e8920cd6938f0c23cd678af330939cff53c3d2855f34" //cheese
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];
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// array of usernames that are administrators.
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// administrators can delete and move pages, though this functionality hasn't been added yet.
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$settings->admins = [ "admin" ];
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// The string that is prepended before an admin's name on the nav bar. defaults to a diamond shape (◆).
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$settings->admindisplaychar = "◆";
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// contact details for the site administrator. Since user can only be added by editing this file, people will need a contact address to use to ask for an account. Displayed at the bottom of the page, and will be appropriatly obfusticated to deter spammers.
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$settings->admindetails = [
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"name" => "Administrator",
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"email" => "admin@localhost"
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];
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// array of links and display text to display at the top of the site
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$settings->navlinks = [
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[ "Home", "index.php" ],
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[ "Login", "index.php?action=login" ],
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" | ",
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"search",
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" | ",
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[ "Read", "index.php?page={page}" ],
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[ "Edit", "index.php?action=edit&page={page}" ],
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[ "Printable", "index.php?action=view&printable=yes&page={page}" ],
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" | ",
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[ $settings->admindisplaychar . "Delete", "index.php?action=delete&page={page}" ],
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[ $settings->admindisplaychar . "Move", "index.php?action=move&page={page}" ],
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" | ",
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[ "All Pages", "index.php?action=list" ],
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" | ",
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[ "Credits", "index.php?action=credits" ],
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[ "Help", "index.php?action=help" ]
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];
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// string of css to include
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// may be a url - urls will be referenced via a <link rel='stylesheet' /> tag
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$settings->css = "body { font-family: sans-serif; color: #333333; background: #f3f3f3; }
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label { display: inline-block; min-width: 10rem; }
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textarea[name=content] { display: block; width: 100%; height: 35rem; }
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/*input[name=page] { width: 16rem; }*/
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nav { position: absolute; top: 5px; right: 5px; }
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th { text-align: left; }
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.sitename { text-align: center; font-size: 2.5rem; color: #222222; }
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.footerdivider { margin-top: 4rem; }";
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// the favicon
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// default: peppermint from https://openclipart.org/detail/19571/peppermint-candy-by-bluefrog23
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$settings->favicon = "data:image/png;base64,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";
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// the prefix that should be used in the names of the session variables.
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// defaults to an all lower case version of the site name with all non alphanumeric characters removed
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// remember that changing this will log everyone out since the session varibles' name will have changed
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// normally you wouldn't have to change this - this setting is left over from when we used a cookie to store login details
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$settings->sessionprefix = preg_replace("/[^0-9a-z]/i", "", strtolower($settings->sitename));
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/*
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Actions:
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view - view a page
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page - page name
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printable=[yes/no] - make output printable
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edit - open editor for page
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page - page name
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save - save edits to page
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page - page name
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list - list pages
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category - the category to list [optional] [unimplemented]
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login - login to the site
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logout - logout
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checklogin - check login credentials and set cookie
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hash - hash a string with sha256
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string - string to hash
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help - get help
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update - update the wiki
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do - set to `true` to actually update the wiki
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secret - set to the value of the site's secret
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credits - view the credits
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delete - delete a page
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page - page name
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delete=yes - actually do the deletion (otherwise we display a prompt)
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*/
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///////////////////////////////////////////////////////////////////////////////////////////////
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/////////////// Do not edit below this line unless you know what you are doing! ///////////////
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///////////////////////////////////////////////////////////////////////////////////////////////
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$version = "0.4";
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session_start();
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///////// Login System /////////
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//clear expired sessions
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if(isset($_SESSION["$settings->sessionprefix-expiretime"]) and
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$_SESSION["$settings->sessionprefix-expiretime"] < time())
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{
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//clear the session variables
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$_SESSION = [];
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session_destroy();
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}
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if(!isset($_SESSION[$settings->sessionprefix . "-user"]) and
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!isset($_SESSION[$settings->sessionprefix . "-pass"]))
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{
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//the user is not logged in
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$isloggedin = false;
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}
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else
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{
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$user = $_SESSION[$settings->sessionprefix . "-user"];
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$pass = $_SESSION[$settings->sessionprefix . "-pass"];
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if($settings->users[$user] == $pass)
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{
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//the user is logged in
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$isloggedin = true;
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}
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else
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{
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//the user's login details are invalid (what is going on here?)
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//unset the session variables, treat them as an anonymous user, and get out of here
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$isloggedin = false;
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unset($user);
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unset($pass);
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//clear the session data
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$_SESSION = []; //delete al lthe variables
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session_destroy(); //destroy the session
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}
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}
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//check to see if the currently logged in user is an admin
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$isadmin = false;
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if($isloggedin)
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{
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foreach($settings->admins as $admin_username)
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{
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if($admin_username == $user)
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{
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$isadmin = true;
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break;
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}
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}
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}
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/////// Login System End ///////
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///////////////////////////////////////////////////////////////////////////////////////////
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//////////////////////////// Security and Consistency Measures ////////////////////////////
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///////////////////////////////////////////////////////////////////////////////////////////
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if(!file_exists("./pageindex.json"))
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{
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$existingpages = glob("*.md");
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$pageindex = new stdClass();
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foreach($existingpages as $pagefilename)
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{
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$newentry = new stdClass();
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$newentry->filename = utf8_encode($pagefilename);
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$newentry->size = filesize($pagefilename);
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$newentry->lastmodified = filemtime($pagefilename);
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$newentry->lasteditor = utf8_encode("unknown");
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$pagekey = utf8_encode(substr($pagefilename, 0, -3));
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$pageindex->$pagekey = $newentry;
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}
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file_put_contents("./pageindex.json", json_encode($pageindex, JSON_PRETTY_PRINT));
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unset($existingpages);
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}
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else
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{
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$pageindex = json_decode(file_get_contents("./pageindex.json"));
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}
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/*
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* @summary makes a path safe
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*
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* @details paths may only contain alphanumeric characters, spaces, underscores, and dashes
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*/
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function makepathsafe($string) { return preg_replace("/[^0-9a-zA-Z\_\-\ ]/i", "", $string); }
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/*
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* @summary Hides an email address from bots by adding random html entities.
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*
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* @returns The mangled email address.
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*/
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function hide_email($str)
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{
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$hidden_email = "";
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for($i = 0; $i < strlen($str); $i++)
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{
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if($str[$i] == "@")
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{
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$hidden_email .= "&#" . ord("@") . ";";
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continue;
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}
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if(rand(0, 1) == 0)
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$hidden_email .= $str[$i];
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else
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$hidden_email .= "&#" . ord($str[$i]) . ";";
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}
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return $hidden_email;
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}
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//Work around an Opera + Syntastic bug where there is no margin at the left hand side if there isn't a query string when accessing a .php file
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if(!isset($_GET["action"]) and !isset($_GET["page"]))
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{
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http_response_code(302);
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header("location: index.php?action=view&page=$defaultpage");
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exit();
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}
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//make sure that the action is set
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if(!isset($_GET["action"]))
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$_GET["action"] = "view";
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if(!isset($_GET["page"]) or strlen($_GET["page"]) === 0)
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$_GET["page"] = $settings->defaultpage;
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//redirect the user to the safe version of the path if they entered an unsafe character
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if(makepathsafe($_GET["page"]) !== $_GET["page"])
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{
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http_response_code(301);
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header("location: index.php?action=" . rawurlencode($_GET["action"]) . "&page=" . makepathsafe($_GET["page"]));
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header("x-requested-page: " . $_GET["page"]);
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header("x-actual-page: " . makepathsafe($_GET["page"]));
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exit();
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}
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$page = $_GET["page"];
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///////////////////////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////// HTML fragments //////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////
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function renderpage($title, $content, $minimal = false)
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{
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global $settings, $page, $user, $isloggedin, $isadmin, $start_time, $pageindex;
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$html = "<!DOCTYPE HTML>
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<html><head>
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<meta charset='utf-8' />
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<title>$title</title>
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<meta name=viewport content='width=device-width, initial-scale=1' />
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<link rel='shortcut icon' href='$settings->favicon' />";
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if(preg_match("/^[^\/]*\/\/|^\//", $settings->css))
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{
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$html .= "\n\t\t<link rel='stylesheet' href='$settings->css' />\n";
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}
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else
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{
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$html .= "\n\t\t<style>$settings->css</style>\n";
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}
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$html .= "</head><body>\n";
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//////////
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if($minimal)
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{
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$html .= "$content
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<hr class='footerdivider' />
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<p><em>From $settings->sitename, which is managed by " . $settings->admindetails["name"] . ".</em></p>
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<p><em>Timed at " . date("l jS \of F Y \a\\t h:ia T") . ".</em></p>
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<p><em>Powered by Pepperminty Wiki</em></p>";
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}
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else
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{
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$html .= "<nav>\n";
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if($isloggedin)
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{
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$html .= "\t\tLogged in as ";
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if($isadmin)
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$html .= $settings->admindisplaychar;
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$html .= "$user. <a href='index.php?action=logout'>Logout</a>. | \n";
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}
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else
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$html .= "\t\tBrowsing as Anonymous. <a href='index.php?action=login'>Login</a>. | \n";
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foreach($settings->navlinks as $item)
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{
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if(is_string($item))
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{
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//the item is a string
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switch($item)
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{
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//keywords
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case "search": //displays a search bar
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$html .= "<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>";
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break;
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//it isn't a keyword, so just output it directly
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default:
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$html .= $item;
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}
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}
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else
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{
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//output the display as a link to the url
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$html .= "\t\t<a href='" . str_replace("{page}", $page, $item[1]) . "'>$item[0]</a>\n";
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}
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}
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$html .= " </nav>
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<h1 class='sitename'>$settings->sitename</h1>
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$content
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<hr class='footerdivider' />
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<footer>
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<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>
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<p>Your local friendly administrators are " . implode(", ", $settings->admins) . ".
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<p>This wiki is managed by <a href='mailto:" . hide_email($settings->admindetails["email"]) . "'>" . $settings->admindetails["name"] . "</a>.</p>
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</footer>
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<datalist id='allpages'>\n";
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foreach($pageindex as $pagename => $pagedetails)
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{
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$html .= "\t\t<option value='$pagename' />\n";
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}
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$html .= "\t</datalist>";
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}
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//////////
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$gentime = microtime(true) - $start_time;
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$html .= "\n\t<!-- Took $gentime seconds to generate -->
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</body></html>";
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return $html;
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}
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////////////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////// Slimdown /////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////// %slimdown% //
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////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Slimdown - A very basic regex-based Markdown parser. Supports the
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* following elements (and can be extended via Slimdown::add_rule()):
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*
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* - Headers
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* - Links
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* - Bold
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* - Emphasis
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* - Deletions
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* - Quotes
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* - Inline code
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* - Blockquotes
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* - Ordered/unordered lists
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* - Horizontal rules
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*
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* Author: Johnny Broadway <johnny@johnnybroadway.com>
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* Website: https://gist.github.com/jbroadway/2836900
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* License: MIT
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*/
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/**
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* Modified by Starbeamrainbowlabs (starbeamrainbowlabs)
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*
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* Changed bold to use single asterisks
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* Changed italics to use single underscores
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* Added one to add the heading levels (no <h1> tags allowed)
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* Added wiki style internal link parsing
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* Added wiki style internal link parsing with display text
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*/
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class Slimdown {
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public static $rules = array (
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'/\r\n/' => "\n", // new line normalisation
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'/(#+)(.*)/' => 'self::header', // headers
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'/(\*)(.*?)\1/' => '<strong>\2</strong>', // bold
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'/(_)(.*?)\1/' => '<em>\2</em>', // emphasis
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'/\[\[([a-zA-Z0-9\_\- ]+)\|([a-zA-Z0-9\_\- ]+)\]\]/' => '<a href=\'index.php?page=\1\'>\2</a>', //internal links with display text
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'/\[\[([a-zA-Z0-9\_\- ]+)\]\]/' => '<a href=\'index.php?page=\1\'>\1</a>', //internal links
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'/\[([^\[]+)\]\(([^\)]+)\)/' => '<a href=\'\2\' target=\'_blank\'>\1</a>', // links
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'/\~\~(.*?)\~\~/' => '<del>\1</del>', // del
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'/\:\"(.*?)\"\:/' => '<q>\1</q>', // quote
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'/`(.*?)`/' => '<code>\1</code>', // inline code
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'/\n\s*(\*|-)(.*)/' => 'self::ul_list', // ul lists
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'/\n[0-9]+\.(.*)/' => 'self::ol_list', // ol lists
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'/\n(>|\>)(.*)/' => 'self::blockquote', // blockquotes
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'/\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
|
|
function human_filesize($bytes, $decimals = 2)
|
|
{
|
|
$sz = 'BKMGTPEYZ';
|
|
$factor = floor((strlen($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.(($numberOfUnits>1)?'s':'').' ago';
|
|
}
|
|
}
|
|
///////////////////////////////////////////
|
|
|
|
switch($_GET["action"])
|
|
{
|
|
/*
|
|
* _ _ _
|
|
* ___ __| (_) |_
|
|
* / _ \/ _` | | __|
|
|
* | __/ (_| | | |_
|
|
* \___|\__,_|_|\__|
|
|
* %edit%
|
|
*/
|
|
case "edit":
|
|
$filename = "$page.md";
|
|
$creatingpage = !isset($pageindex->$page);
|
|
if((isset($_GET["newpage"]) and $_GET["newpage"] == "true") or $creatingpage)
|
|
{
|
|
$title = "Creating $page";
|
|
}
|
|
else
|
|
{
|
|
$title = "Editing $page";
|
|
}
|
|
|
|
$pagetext = "";
|
|
if(isset($pageindex->$page))
|
|
{
|
|
$pagetext = file_get_contents($filename);
|
|
}
|
|
|
|
if((!$isloggedin and !$settings->anonedits) or !$settings->editing)
|
|
{
|
|
if(!$creatingpage)
|
|
{
|
|
//the page already exists - let the user view the page source
|
|
exit(renderpage("Viewing source for $page", "<textarea readonly>$pagetext</textarea>"));
|
|
}
|
|
else
|
|
{
|
|
http_response_code(404);
|
|
exit(renderpage("404 - $page", "<p>The page <code>$page</code> does not exist, but you do not have permission to create it.</p><p>If you haven't already, perhaps you should try <a href='index.php?action=login'>logging in</a>.</p>"));
|
|
}
|
|
}
|
|
|
|
$content = "<h1>$title</h1>";
|
|
if(!$isloggedin and $settings->anonedits)
|
|
{
|
|
$content .= "<p><strong>Warning: You are not logged in! Your IP address <em>may</em> be recorded.</strong></p>";
|
|
}
|
|
$content .= "<form method='post' action='index.php?action=save&page=" . rawurlencode($page) . "&action=save'>
|
|
<textarea name='content'>$pagetext</textarea>
|
|
<input type='submit' value='Save Page' />
|
|
</form>";
|
|
exit(renderpage("$title - $settings->sitename", $content));
|
|
break;
|
|
|
|
/*
|
|
*
|
|
* ___ __ ___ _____
|
|
* / __|/ _` \ \ / / _ \
|
|
* \__ \ (_| |\ V / __/
|
|
* |___/\__,_| \_/ \___|
|
|
* %save%
|
|
*/
|
|
case "save":
|
|
if(!$settings->editing)
|
|
{
|
|
header("location: index.php?page=$page");
|
|
exit(renderpage("Error saving edit", "<p>Editing is currently disabled on this wiki.</p>"));
|
|
}
|
|
if(!$isloggedin and !$settings->anonedits)
|
|
{
|
|
http_response_code(403);
|
|
header("refresh: 5; url=index.php?page=$page");
|
|
exit("You are not logged in, so you are not allowed to save pages on $settings->sitename. Redirecting in 5 seconds....");
|
|
}
|
|
if(!isset($_POST["content"]))
|
|
{
|
|
http_response_code(400);
|
|
header("refresh: 5; url=index.php?page=$page");
|
|
exit("Bad request: No content specified.");
|
|
}
|
|
if(file_put_contents("$page.md", htmlentities($_POST["content"]), ENT_QUOTES) !== false)
|
|
{
|
|
//update the page index
|
|
if(!isset($pageindex->$page))
|
|
{
|
|
$pageindex->$page = new stdClass();
|
|
$pageindex->$page->filename = "$page.md";
|
|
}
|
|
$pageindex->$page->size = strlen($_POST["content"]);
|
|
$pageindex->$page->lastmodified = time();
|
|
if($isloggedin)
|
|
$pageindex->$page->lasteditor = utf8_encode($user);
|
|
else
|
|
$pageindex->$page->lasteditor = utf8_encode("anonymous");
|
|
|
|
file_put_contents("./pageindex.json", json_encode($pageindex, JSON_PRETTY_PRINT));
|
|
|
|
if(isset($_GET["newpage"]))
|
|
http_response_code(201);
|
|
else
|
|
http_response_code(200);
|
|
|
|
header("location: index.php?page=$page");
|
|
exit();
|
|
}
|
|
else
|
|
{
|
|
http_response_code(507);
|
|
exit(renderpage("Error saving page - $settings->sitename", "<p>$settings->sitename failed to write your changes to the disk. Your changes have not been saved, but you might be able to recover your edit by pressing the back button in your browser.</p>
|
|
<p>Please tell the administrator of this wiki (" . $settings->admindetails["name"] . ") about this problem.</p>"));
|
|
}
|
|
break;
|
|
|
|
/*
|
|
* _ _ _
|
|
* | (_)___| |_
|
|
* | | / __| __|
|
|
* | | \__ \ |_
|
|
* |_|_|___/\__|
|
|
* %list%
|
|
*/
|
|
case "list":
|
|
$title = "All Pages";
|
|
$content = " <h1>$title on $settings->sitename</h1>
|
|
<table>
|
|
<tr>
|
|
<th>Page Name</th>
|
|
<th>Size</th>
|
|
<th>Last Editor</th>
|
|
<th>Last Edited</th>
|
|
<th>Time Since Last Edit</th>
|
|
</tr>\n";
|
|
foreach($pageindex as $pagename => $pagedetails)
|
|
{
|
|
$content .= "\t\t<tr>
|
|
<td><a href='index.php?page=$pagename'>$pagename</a></td>
|
|
<td>" . human_filesize($pagedetails->size) . "</td>
|
|
<td>$pagedetails->lasteditor</td>
|
|
<td>" . date("l jS \of F Y \a\\t h:ia T", $pagedetails->lastmodified) . "</td>
|
|
<td>" . human_time_since($pagedetails->lastmodified) . "</td>
|
|
</tr>\n";
|
|
}
|
|
$content .= " </table>";
|
|
exit(renderpage("$title - $settings->sitename", $content));
|
|
break;
|
|
|
|
/*
|
|
* _ _ _
|
|
* __| | ___| | ___| |_ ___
|
|
* / _` |/ _ \ |/ _ \ __/ _ \
|
|
* | (_| | __/ | __/ || __/
|
|
* \__,_|\___|_|\___|\__\___|
|
|
* %delete%
|
|
*/
|
|
case "delete":
|
|
if(!$settings->editing)
|
|
{
|
|
exit(renderpage("Deleting $page - error", "<p>You tried to delete $page, but editing is disabled on this wiki.</p>
|
|
<p>If you wish to delete this page, please re-enable editing on this wiki first.</p>
|
|
<p><a href='index.php?page=$page'>Go back to $page</a>.</p>
|
|
<p>Nothing has been changed.</p>"));
|
|
}
|
|
if(!$isadmin)
|
|
{
|
|
exit(renderpage("Deleting $page - error", "<p>You tried to delete $page, but you are not an admin so you don't have permission to do that.</p>
|
|
<p>You should try <a href='index.php?action=login'>logging in</a> as an admin.</p>"));
|
|
}
|
|
if(!isset($_GET["delete"]) or $_GET["delete"] !== "yes")
|
|
{
|
|
exit(renderpage("Deleting $page", "<p>You are about to <strong>delete</strong> $page. You can't undo this!</p>
|
|
<p><a href='index.php?action=delete&page=$page&delete=yes'>Click here to delete $page.</a></p>
|
|
<p><a href='index.php?action=view&page=$page'>Click here to go back.</a>"));
|
|
}
|
|
unset($pageindex->$page); //delete the page from the page index
|
|
file_put_contents("./pageindex.json", json_encode($pageindex, JSON_PRETTY_PRINT)); //save the new page index
|
|
unlink("./$page.md"); //delete the page from the disk
|
|
|
|
exit(renderpage("Deleting $page - $settings->sitename", "<p>$page has been deleted. <a href='index.php'>Go back to the main page</a>.</p>"));
|
|
break;
|
|
|
|
/*
|
|
* __ __
|
|
* | \/ | _____ _____
|
|
* | |\/| |/ _ \ \ / / _ \
|
|
* | | | | (_) \ V / __/
|
|
* |_| |_|\___/ \_/ \___|
|
|
* %move%
|
|
*/
|
|
case "move":
|
|
if(!$settings->editing)
|
|
{
|
|
exit(renderpage("Moving $page - error", "<p>You tried to move $page, but editing is disabled on this wiki.</p>
|
|
<p>If you wish to move this page, please re-enable editing on this wiki first.</p>
|
|
<p><a href='index.php?page=$page'>Go back to $page</a>.</p>
|
|
<p>Nothing has been changed.</p>"));
|
|
}
|
|
if(!$isadmin)
|
|
{
|
|
exit(renderpage("Moving $page - Error", "<p>You tried to move $page, but you do not have permission to do that.</p>
|
|
<p>You should try <a href='index.php?action=login'>logging in</a> as an admin.</p>"));
|
|
}
|
|
|
|
if(!isset($_GET["new_name"]) or strlen($_GET["new_name"]) == 0)
|
|
exit(renderpage("Moving $page", "<h2>Moving $page</h2>
|
|
<form method='get' action='index.php'>
|
|
<input type='hidden' name='action' value='move' />
|
|
<label for='old_name'>Old Name:</label>
|
|
<input type='text' name='page' value='$page' readonly />
|
|
<br />
|
|
<label for='new_name'>New Name:</label>
|
|
<input type='text' name='new_name' />
|
|
<br />
|
|
<input type='submit' value='Move Page' />
|
|
</form>"));
|
|
|
|
$new_name = makepathsafe($_GET["new_name"]);
|
|
|
|
if(!isset($pageindex->$page))
|
|
exit(renderpage("Moving $page - Error", "<p>You tried to move $page to $new_name, but the page with the name $page does not exist in the first place.</p>
|
|
<p>Nothing has been changed.</p>"));
|
|
|
|
if($page == $new_name)
|
|
exit(renderpage("Moving $page - Error", "<p>You tried to move $page, but the new name you gave is the same as it's current name.</p>
|
|
<p>It is possible that you tried to use some characters in the new name that are not allowed and were removed.</p>
|
|
<p>Page names may only contain alphanumeric characters, dashes, and underscores.</p>"));
|
|
|
|
//move the page in the page index
|
|
$pageindex->$new_name = new stdClass();
|
|
foreach($pageindex->$page as $key => $value)
|
|
{
|
|
$pageindex->$new_name->$key = $value;
|
|
}
|
|
unset($pageindex->$page);
|
|
file_put_contents("./pageindex.json", json_encode($pageindex, JSON_PRETTY_PRINT));
|
|
|
|
//move the page on the disk
|
|
rename("$page.md", "$new_name.md");
|
|
|
|
exit(renderpage("Moving $page", "<p><a href='index.php?page=$page'>$page</a> has been moved to <a href='index.php?page=$new_name'>$new_name</a> successfully.</p>"));
|
|
break;
|
|
|
|
/*
|
|
* _ _
|
|
* | |__ ___| |_ __
|
|
* | '_ \ / _ \ | '_ \
|
|
* | | | | __/ | |_) |
|
|
* |_| |_|\___|_| .__/
|
|
* %help% |_|
|
|
*/
|
|
case "help":
|
|
$title = "Help - $settings->sitename";
|
|
$content = " <h1>$settings->sitename Help</h1>
|
|
<p>Welcome to $settings->sitename!</p>
|
|
<p>$settings->sitename is powered by Pepperminty wiki, a complete wiki in a box you can drop into your server.</p>
|
|
<h2>Navigating</h2>
|
|
<p>All the navigation links can be found in the top right corner, along with a box in which you can type a page name and hit enter to be taken to that page (if your site administrator has enabled it).</p>
|
|
<p>In order to edit pages on $settings->sitename, you probably need to be logged in. If you do not already have an account you will need to ask $settings->sitename's administrator for an account since there is not registration form. Note that the $settings->sitename's administrator may have changed these settings to allow anonymous edits.</p>
|
|
<h2>Editing</h2>
|
|
<p>$settings->sitename's editor uses a modified version of slimdown, a flavour of markdown that is implementated using regular expressions. See the credits page for more information and links to the original source for this. A quick reference can be found below:</p>
|
|
<table>
|
|
<tr><th>Type This</th><th>To get this</th>
|
|
<tr><td><code>_italics_</code></td><td><em>italics</em></td></tr>
|
|
<tr><td><code>*bold*</code></td><td><strong>bold</strong></td></tr>
|
|
<tr><td><code># Heading</code></td><td><h2>Heading</h2></td></tr>
|
|
<tr><td><code>## Sub Heading</code></td><td><h3>Sub Heading</h3></td></tr>
|
|
<tr><td><code>[[Internal Link]]</code></td><td><a href='index.php?page=Internal Link'>Internal Link</a></td></tr>
|
|
<tr><td><code>[[Display Text|Internal Link]]</code></td><td><a href='index.php?page=Internal Link'>Display Text</a></td></tr>
|
|
<tr><td><code>[Display text](//google.com/)</code></td><td><a href='//google.com/'>Display Text</a></td></tr>
|
|
<tr><td><code>~~Strikethrough~~</code></td><td><del>Strikethough</del></td></tr>
|
|
<tr><td><code>> Blockquote<br />> Some text</code></td><td><blockquote> Blockquote<br />Some text</td></tr>
|
|
<tr><td><code>
|
|
---
|
|
</code></td><td><hr /></td></tr>
|
|
<tr><tds><code> - One
|
|
- Two
|
|
- Three</code></td><td><ul><li>One</li><li>Two</li><li>Three</li></ul></td></tr>
|
|
</table>
|
|
<h2>Administrator Actions</h2>
|
|
<p>By default, the <code>delete</code> and <code>move</code> actions are shown on the nav bar. These can be used by administrators to delete or move pages.</p>
|
|
<p>The other thing admininistrators can do is update the wiki (provided they know the site's secret). This page can be found here: <a href='?action=update'>Update $settings->sitename</a>.</p>
|
|
<p>$settings->sitename is currently running on Pepperminty Wiki <code>$version</code></p>";
|
|
exit(renderpage($title, $content));
|
|
break;
|
|
|
|
/*
|
|
* _ _
|
|
* | | ___ __ _(_)_ __
|
|
* | |/ _ \ / _` | | '_ \
|
|
* | | (_) | (_| | | | | |
|
|
* |_|\___/ \__, |_|_| |_|
|
|
* |___/ %login%
|
|
*/
|
|
case "login":
|
|
$title = "Login to $settings->sitename";
|
|
$content = "<h1>Login to $settings->sitename</h1>\n";
|
|
if(isset($_GET["failed"]))
|
|
$content .= "\t\t<p><em>Login failed.</em></p>\n";
|
|
$content .= "\t\t<form method='post' action='index.php?action=checklogin&returnto=" . rawurlencode($_SERVER['REQUEST_URI']) . "'><label for='user'>Username:</label>
|
|
<input type='text' name='user' />
|
|
<br />
|
|
<label for='pass'>Password:</label>
|
|
<input type='password' name='pass' />
|
|
<input type='submit' value='Login' />
|
|
</form>";
|
|
exit(renderpage($title, $content));
|
|
break;
|
|
|
|
/*
|
|
* _ _ _ _
|
|
* ___| |__ ___ ___| | _| | ___ __ _(_)_ __
|
|
* / __| '_ \ / _ \/ __| |/ / |/ _ \ / _` | | '_ \
|
|
* | (__| | | | __/ (__| <| | (_) | (_| | | | | |
|
|
* \___|_| |_|\___|\___|_|\_\_|\___/ \__, |_|_| |_|
|
|
* %checklogin% |___/
|
|
*/
|
|
case "checklogin":
|
|
//actually do the login
|
|
if(isset($_POST["user"]) and isset($_POST["pass"]))
|
|
{
|
|
//the user wants to log in
|
|
$user = $_POST["user"];
|
|
$pass = $_POST["pass"];
|
|
if($settings->users[$user] == hash("sha256", $pass))
|
|
{
|
|
$isloggedin = true;
|
|
$expiretime = time() + 60*60*24*30; //30 days from now
|
|
$_SESSION["$settings->sessionprefix-user"] = $user;
|
|
$_SESSION["$settings->sessionprefix-pass"] = hash("sha256", $pass);
|
|
$_SESSION["$settings->sessionprefix-expiretime"] = $expiretime;
|
|
//redirect to wherever the user was going
|
|
http_response_code(302);
|
|
if(isset($_POST["goto"]))
|
|
header("location: " . $_POST["returnto"]);
|
|
else
|
|
header("location: index.php");
|
|
exit();
|
|
}
|
|
else
|
|
{
|
|
http_response_code(302);
|
|
header("location: index.php?action=login&failed=yes");
|
|
exit();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
http_response_code(302);
|
|
header("location: index.php?action=login&failed=yes&badrequest=yes");
|
|
exit();
|
|
}
|
|
break;
|
|
|
|
/*
|
|
* _ _
|
|
* | | ___ __ _ ___ _ _| |_
|
|
* | |/ _ \ / _` |/ _ \| | | | __|
|
|
* | | (_) | (_| | (_) | |_| | |_
|
|
* |_|\___/ \__, |\___/ \__,_|\__|
|
|
* |___/ %logout%
|
|
*/
|
|
case "logout":
|
|
$isloggedin = false;
|
|
unset($user);
|
|
unset($pass);
|
|
//clear the session variables
|
|
$_SESSION = [];
|
|
session_destroy();
|
|
|
|
exit(renderpage("Logout Successful", "<h1>Logout Successful</h1>
|
|
<p>Logout Successful. You can login again <a href='index.php?action=login'>here</a>.</p>"));
|
|
break;
|
|
|
|
/*
|
|
* _ _ _
|
|
* ___ _ __ ___ __| (_) |_ ___
|
|
* / __| '__/ _ \/ _` | | __/ __|
|
|
* | (__| | | __/ (_| | | |_\__ \
|
|
* \___|_| \___|\__,_|_|\__|___/
|
|
* %credits%
|
|
*/
|
|
case "credits":
|
|
$title = "Credits - $settings->sitename";
|
|
$content = "<h1>$settings->sitename credits</h1>
|
|
<p>$settings->sitename is powered by Pepperminty Wiki - an entire wiki packed inside a single file, which was built by <a href='//starbeamrainboowlabs.com'>Starbeamrainbowlabs</a>, and can be found <a href='//github.com/sbrl/Pepperminty-Wiki/'>on github</a>.</p>
|
|
<p>A slightly modified version of slimdown is used to parse text source into HTML. Slimdown is by <a href='https://github.com/jbroadway'>Johnny Broadway</a>, which can be found <a href='https://gist.github.com/jbroadway/2836900'>on github</a>.</p>
|
|
<p>The default favicon is from <a href='//openclipart.org'>Open Clipart</a> by bluefrog23, and can be found <a href='https://openclipart.org/detail/19571/peppermint-candy-by-bluefrog23'>here</a>.</p>
|
|
<p>Administrators can update $settings->sitename here: <a href='?action=update'>Update $settings->sitename</a>.</p>
|
|
<p>$settings->sitename is currently running on Pepperminty Wiki <code>$version</code></p>";
|
|
exit(renderpage($title, $content));
|
|
break;
|
|
|
|
/*
|
|
* _ _
|
|
* _ _ _ __ __| |__ _| |_ ___
|
|
* | || | '_ \/ _` / _` | _/ -_)
|
|
* \_,_| .__/\__,_\__,_|\__\___|
|
|
* |_| %update%
|
|
*/
|
|
case "update":
|
|
if(!$settings->isadmin)
|
|
{
|
|
http_response_code(401);
|
|
exit(renderpage("Update - Error", "<p>You must be an administrator to do that.</p>"));
|
|
}
|
|
|
|
if(!isset($_GET["do"]) or $_GET["do"] !== "true")
|
|
{
|
|
exit(renderpage("Update $settings->sitename", "<p>This page allows you to update $settings->sitename.</p>
|
|
<p>Currently, $settings->sitename is using $settings->version of Pepperminty Wiki.</p>
|
|
<p>This script will automatically download and install the latest version of Pepperminty Wiki from the url of your choice (see settings), regardless of whether an update is actually needed (version checking isn't implemented yet).</p>
|
|
<p>To update $settings->sitename, fill out the form below and click click the update button.</p>
|
|
<form method='get' action=''>
|
|
<input type='hidden' name='action' value='update' />
|
|
<input type='hidden' name='do' value='true' />
|
|
<label for='secret'>$settings->sitename's secret code</label>
|
|
<input type='text' name='secret' value='' />
|
|
<input type='submit' value='Update' />
|
|
</form>"));
|
|
}
|
|
|
|
if(!isset($_GET["secret"]) or $_GET["secret"] !== $settings->sitesecret)
|
|
{
|
|
exit(renderpage("Update $settings->sitename - Error", "<p>You forgot to enter $settings->sitename's secret code or entered it incorrectly. $settings->sitename's secret can be found in the settings portion of <code>index.php</code>.</p>"));
|
|
}
|
|
|
|
$settings_separator = "/////////////// Do not edit below this line unless you know what you are doing! ///////////////";
|
|
|
|
$log = "Beginning update...\n";
|
|
|
|
$log .= "I am <code>" . __FILE__ . "</code>.\n";
|
|
$oldcode = file_get_contents(__FILE__);
|
|
$log .= "Fetching new code...";
|
|
$newcode = file_get_contents($updateurl);
|
|
$log .= "done.\n";
|
|
|
|
$log .= "Rewriting <code>" . __FILE__ . "</code>...";
|
|
$settings = substr($oldcode, 0, strpos($oldcode, $settings_separator));
|
|
$code = substr($newcode, strpos($newcode, $settings_separator));
|
|
$result = $settings . $code;
|
|
$log .= "done.\n";
|
|
|
|
$log .= "Saving...";
|
|
file_put_contents(__FILE__, $result);
|
|
$log .= "done.\n";
|
|
|
|
$log .= "Update complete. I am now running on the latest version of Pepperminty Wiki.";
|
|
$log .= "The version number that I have updated to can be found on the credits or help ages.";
|
|
|
|
exit(renderpage("Update - Success", "<ul><li>" . implode("</li><li>", explode("\n", $log)) . "</li></ul>"));
|
|
|
|
break;
|
|
|
|
/*
|
|
* _ _
|
|
* | |__ __ _ ___| |__
|
|
* | '_ \ / _` / __| '_ \
|
|
* | | | | (_| \__ \ | | |
|
|
* |_| |_|\__,_|___/_| |_|
|
|
* %hash%
|
|
*/
|
|
case "hash":
|
|
if(!isset($_GET["string"]))
|
|
{
|
|
http_response_code(400);
|
|
exit(renderpage("Bad request", "<p>The <code>GET</code> parameter <code>string</code> must be specified.</p>
|
|
<p>It is strongly recommended that you utilise this page via a private or incognito window in order to prevent your password from appearing in your browser history.</p>"));
|
|
}
|
|
else
|
|
{
|
|
exit(renderpage("Hashed string", "<p><code>" . $_GET["string"] . "</code> → <code>" . hash("sha256", $_GET["string"] . "</code></p>")));
|
|
}
|
|
break;
|
|
|
|
/*
|
|
* _
|
|
* __ _(_) _____ __
|
|
* \ \ / / |/ _ \ \ /\ / /
|
|
* \ V /| | __/\ V V /
|
|
* \_/ |_|\___| \_/\_/
|
|
* %view%
|
|
*/
|
|
case "view":
|
|
default:
|
|
//check to make sure that the page exists
|
|
if(!isset($pageindex->$page))
|
|
{
|
|
// todo make this intelligent so we only redirect if the user is acutally able to create the page
|
|
if($settings->editing)
|
|
{
|
|
//editing is enabled, redirect to the editing page
|
|
http_response_code(307); //temporary redirect
|
|
header("location: index.php?action=edit&newpage=yes&page=" . rawurlencode($page));
|
|
exit();
|
|
}
|
|
else
|
|
{
|
|
//editing is disabled, show an error message
|
|
http_response_code(404);
|
|
exit(renderpage("$page - 404 - $settings->sitename", "<p>$page does not exist.</p><p>Since editing is currently disabled on this wiki, you may not create this page. If you feel that this page should exist, try contacting this wiki's Administrator.</p>"));
|
|
}
|
|
}
|
|
$title = "$page - $settings->sitename";
|
|
$content = "<h1>$page</h1>";
|
|
|
|
$slimdown_start = microtime(true);
|
|
|
|
$content .= Slimdown::render(file_get_contents("$page.md"));
|
|
|
|
$content .= "\n\t<!-- Took " . (microtime(true) - $slimdown_start) . " seconds to parse markdown -->\n";
|
|
|
|
if(isset($_GET["printable"]) and $_GET["printable"] === "yes")
|
|
$minimal = true;
|
|
else
|
|
$minimal = false;
|
|
exit(renderpage($title, $content, $minimal));
|
|
break;
|
|
}
|
|
?>
|