Begin work on access control. Add variable and a setting, but they aren't used yet.
This commit is contained in:
parent
173a72fa46
commit
22dad4cab3
161
core.php
161
core.php
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@ -14,6 +14,13 @@ $env->user = "Anonymous";
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$env->is_logged_in = false;
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$env->is_admin = false;
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$paths = new stdClass();
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$paths->pageindex = "pageindex.json";
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$paths->searchindex = "invindex.json";
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$paths->idindex = "idindex.json";
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$paths->upload_file_prefix = "Files/";
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session_start();
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///////// Login System /////////
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// Clear expired sessions
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@ -78,7 +85,7 @@ if($env->is_logged_in)
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* @summary Converts a filesize into a human-readable string.
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* @source http://php.net/manual/en/function.filesize.php#106569
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* @editor Starbeamrainbowlabs
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*
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*
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* @param $bytes - The number of bytes to convert.
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* @param $decimals - The number of decimal places to preserve.
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*/
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@ -92,9 +99,9 @@ function human_filesize($bytes, $decimals = 2)
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* @summary Calculates the time sincce a particular timestamp and returns a
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* human-readable result.
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* @source http://snippets.pro/snippet/137-php-convert-the-timestamp-to-human-readable-format/
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*
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*
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* @param $time - The timestamp to convert.
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*
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*
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* @returns {string} - The time since the given timestamp pas a human-readable string.
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*/
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function human_time_since($time)
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@ -118,10 +125,10 @@ function human_time_since($time)
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/*
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* @summary A recursive glob() function.
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*
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*
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* @param $pattern - The glob pattern to use to find filenames.
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* @param $flags - The glob flags to use when finding filenames.
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*
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*
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* @returns {array} - An array of the filepaths that match the given glob.
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*/
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// From http://in.php.net/manual/en/function.glob.php#106595
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@ -140,17 +147,17 @@ function glob_recursive($pattern, $flags = 0)
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/*
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* @summary Gets a list of all the sub pages of the current page.
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*
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*
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* @param $pageindex - The pageindex to use to search.
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* @param $pagename - The name of the page to list the sub pages of.
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*
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*
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* @returns An objectt containing all the subpages, and their respective distances from the given page name in the pageindex tree.
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*/
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function get_subpages($pageindex, $pagename)
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{
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$pagenames = get_object_vars($pageindex);
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$result = new stdClass();
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$stem = "$pagename/";
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$stem_length = strlen($stem);
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foreach($pagenames as $entry => $value)
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@ -158,7 +165,7 @@ function get_subpages($pageindex, $pagename)
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if(substr($entry, 0, $stem_length) == $stem)
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{
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// We found a subpage
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// Extract the subpage's key relative to the page that we are searching for
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$subpage_relative_key = substr($entry, $stem_length, -3);
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// Calculate how many times removed the current subpage is from the current page. 0 = direct descendant.
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@ -167,16 +174,16 @@ function get_subpages($pageindex, $pagename)
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$result->$entry = $times_removed;
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}
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}
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unset($pagenames);
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return $result;
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}
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/*
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* @summary Makes sure that a subpage's parents exist. Note this doesn't check the pagename itself.
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*
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*
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* @param The pagename to check.
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*
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*
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*/
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function check_subpage_parents($pagename)
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{
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@ -187,14 +194,14 @@ function check_subpage_parents($pagename)
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file_put_contents("./pageindex.json", json_encode($pageindex, JSON_PRETTY_PRINT));
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return;
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}
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$parent_pagename = substr($pagename, 0, strrpos($pagename, "/"));
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$parent_page_filename = "$parent_pagename.md";
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if(!file_exists($parent_page_filename))
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{
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// This parent page doesn't exist! Create it and add it to the page index.
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touch($parent_page_filename, 0);
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$newentry = new stdClass();
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$newentry->filename = $parent_page_filename;
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$newentry->size = 0;
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@ -202,13 +209,13 @@ function check_subpage_parents($pagename)
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$newentry->lasteditor = "none";
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$pageindex->$parent_pagename = $newentry;
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}
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check_subpage_parents($parent_pagename);
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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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*
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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($string)
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@ -220,7 +227,7 @@ function makepathsafe($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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*
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* @returns The mangled email address.
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*/
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function hide_email($str)
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@ -238,15 +245,15 @@ function hide_email($str)
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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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/*
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* @summary Checks to see if $haystack starts with $needle.
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*
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*
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* @param $haystack {string} The string to search.
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* @param $needle {string} The string to search for at the beginning of $haystack.
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*
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*
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* @returns {boolean} Whether $needle can be found at the beginning of $haystack.
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*/
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function starts_with($haystack, $needle)
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@ -305,7 +312,7 @@ if(!file_exists("./pageindex.json"))
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for($i = 0; $i < count($existingpages); $i++)
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{
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$pagefilename = $existingpages[$i];
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// Create a new entry
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$newentry = new stdClass();
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$newentry->filename = utf8_encode($pagefilename); // Store the filename
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@ -315,7 +322,7 @@ if(!file_exists("./pageindex.json"))
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$newentry->lasteditor = utf8_encode("unknown"); // Set the editor to "unknown"
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// Extract the name of the (sub)page without the ".md"
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$pagekey = utf8_encode(substr($pagefilename, 0, -3));
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// Subpage parent checker
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if(strpos($pagekey, "/") !== false)
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{
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@ -334,7 +341,7 @@ if(!file_exists("./pageindex.json"))
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$existingpages[] = $subpage_parent_filename;
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}
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}
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// Store the new entry in the new page index
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$pageindex->$pagekey = $newentry;
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}
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@ -362,30 +369,30 @@ class ids
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public static function getid($pagename)
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{
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global $idindex;
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foreach ($idindex as $id => $entry)
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{
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if($entry == $pagename)
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return $id;
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}
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// This pagename doesn't have an id - assign it one quick!
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return self::assign($pagename);
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}
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/*
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* @summary Gets the page name associated with the given page id.
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*/
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public static function getpagename($id)
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{
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global $idindex;
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if(!isset($idindex->$id))
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return false;
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else
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return $idindex->$id;
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}
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/*
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* @summary Assigns an id to a pagename. Doesn't check to make sure that
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* pagename doesn't exist in the pageindex.
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@ -393,18 +400,18 @@ class ids
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protected static function assign($pagename)
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{
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global $idindex;
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$nextid = count(array_keys(get_object_vars($idindex)));
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if(isset($idindex->$nextid))
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throw new Exception("The pageid is corrupt! Pepperminty Wiki generated the id $nextid, but that id is already in use.");
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// Update the id index
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$idindex->$nextid = utf8_encode($pagename);
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// Save the id index
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file_put_contents("idindex.json", json_encode($idindex));
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return $nextid;
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}
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}
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@ -464,13 +471,13 @@ class page_renderer
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</body>
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</html>
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";
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public static $main_content_template = "{navigation-bar}
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<h1 class='sitename'>{sitename}</h1>
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<main>
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{content}
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</main>
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<footer>
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<p>{footer-message}</p>
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<p>Powered by Pepperminty Wiki {version}, which was built by <a href='//starbeamrainbowlabs.com/'>Starbeamrainbowlabs</a>. Send bugs to 'bugs at starbeamrainbowlabs dot com' or <a href='//github.com/sbrl/Pepperminty-Wiki' title='Github Issue Tracker'>open an issue</a>.</p>
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@ -487,17 +494,17 @@ class page_renderer
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<p><em>Timed at {generation-date}</em></p>
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<p><em>Powered by Pepperminty Wiki {version}.</em></p>
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</footer>";
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// An array of functions that have been registered to process the
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// find / replace array before the page is rendered. Note that the function
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// should take a *reference* to an array as its only argument.
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protected static $part_processors = [];
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// Registers a function as a part post processor.
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public static function register_part_preprocessor($function)
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{
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global $settings;
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// Make sure that the function we are about to register is valid
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if(!is_callable($function))
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{
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@ -506,19 +513,19 @@ class page_renderer
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$admin_email = hide_email($settings->admindetails["email"]);
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exit(page_renderer::render("$settings->sitename - Module Error", "<p>$settings->sitename has got a misbehaving module installed that tried to register an invalid HTML handler with the page renderer. Please contact $settings->sitename's administrator $admin_name at <a href='mailto:$admin_email'>$admin_email</a>."));
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}
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self::$part_processors[] = $function;
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return true;
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}
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public static function render($title, $content, $body_template = false)
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{
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global $settings, $start_time, $version;
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if($body_template === false)
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$body_template = self::$main_content_template;
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if(strlen($settings->logo_url) > 0)
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{
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// A logo url has been specified
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@ -535,50 +542,50 @@ class page_renderer
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throw new Exception("Invalid logo_position '$settings->logo_position'. Valid values are either \"left\" or \"right\" and are case sensitive.");
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}
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}
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$parts = [
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"{body}" => $body_template,
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"{sitename}" => $logo_html,
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"{version}" => $version,
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"{favicon-url}" => $settings->favicon,
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"{header-html}" => self::get_css_as_html(),
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"{navigation-bar}" => self::render_navigation_bar($settings->nav_links, $settings->nav_links_extra, "top"),
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"{navigation-bar-bottom}" => self::render_navigation_bar($settings->nav_links_bottom, [], "bottom"),
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"{admin-details-name}" => $settings->admindetails["name"],
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"{admin-details-email}" => $settings->admindetails["email"],
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"{admins-name-list}" => implode(", ", $settings->admins),
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"{generation-date}" => date("l jS \of F Y \a\\t h:ia T"),
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"{all-pages-datalist}" => self::generate_all_pages_datalist(),
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"{footer-message}" => $settings->footer_message,
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/// Secondary Parts ///
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"{content}" => $content,
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"{title}" => $title,
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];
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// Pass the parts through the part processors
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foreach(self::$part_processors as $function)
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{
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$function($parts);
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}
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$result = self::$html_template;
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$result = str_replace(array_keys($parts), array_values($parts), $result);
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$result = str_replace([
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], [
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], $result);
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$result = str_replace("{generation-time-taken}", microtime(true) - $start_time, $result);
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return $result;
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}
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@ -590,24 +597,24 @@ class page_renderer
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{
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return self::render($title, $content, self::$minimal_content_template);
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}
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public static function get_css_as_html()
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{
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global $settings;
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if(preg_match("/^[^\/]*\/\/|^\//", $settings->css))
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return "<link rel='stylesheet' href='$settings->css' />";
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else
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return "<style>$settings->css</style>";
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}
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public static $nav_divider = "<span class='nav-divider inflexible'> | </span>";
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/*
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* @summary Function to render a navigation bar from an array of links. See
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* $settings->nav_links for format information.
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*
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*
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* @param $nav_links - The links to add to the navigation bar.
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* @param $nav_links_extra - The extra nav links to add to the "More..."
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* menu.
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@ -616,7 +623,7 @@ class page_renderer
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{
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global $settings, $env;
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$result = "<nav class='$class'>\n";
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// Loop over all the navigation links
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foreach($nav_links as $item)
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{
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@ -636,22 +643,22 @@ class page_renderer
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else
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$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;
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break;
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case "search": // Displays a search bar
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$result .= "<span class='inflexible'><form method='get' action='index.php' style='display: inline;'><input type='search' name='page' list='allpages' placeholder='Type a page name here and hit enter' /><input type='hidden' name='search-redirect' value='true' /></form></span>";
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break;
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case "divider": // Displays a divider
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$result .= page_renderer::$nav_divider;
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break;
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case "menu":
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$result .= "<span class='inflexible nav-more'><label for='more-menu-toggler'>More...</label>
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<input type='checkbox' class='off-screen' id='more-menu-toggler' />";
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$result .= page_renderer::render_navigation_bar($nav_links_extra, [], "nav-more-menu");
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$result .= "</span>";
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break;
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// It isn't a keyword, so just output it directly
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default:
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$result .= "<span>$item</span>";
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@ -663,7 +670,7 @@ class page_renderer
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$result .= "<span><a href='" . str_replace("{page}", $env->page, $item[1]) . "'>$item[0]</a></span>";
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}
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}
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$result .= "</nav>";
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return $result;
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}
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@ -674,21 +681,21 @@ class page_renderer
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if(in_array($name, $settings->admins))
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$result .= $settings->admindisplaychar;
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$result .= $name;
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return $result;
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}
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public static function generate_all_pages_datalist()
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{
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global $pageindex;
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$result = "<datalist id='allpages'>\n";
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foreach($pageindex as $pagename => $pagedetails)
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{
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$result .= "\t\t\t<option value='$pagename' />\n";
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}
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$result .= "\t\t</datalist>";
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return $result;
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}
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}
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@ -745,7 +752,7 @@ function add_parser($name, $parser_code)
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global $parsers;
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if(isset($parsers[$name]))
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throw new Exception("Can't register parser with name '$name' because a parser with that name already exists.");
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$parsers[$name] = $parser_code;
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}
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function parse_page_source($source)
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@ -753,7 +760,7 @@ function parse_page_source($source)
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global $settings, $parsers;
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if(!isset($parsers[$settings->parser]))
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exit(page_renderer::render_main("Parsing error - $settings->sitename", "<p>Parsing some page source data failed. This is most likely because $settings->sitename has the parser setting set incorrectly. Please contact <a href='mailto:" . hide_email($settings->admindetails["email"]) . "'>" . $settings->admindetails["name"] . "</a>, your $settings->sitename Administrator."));
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/* Not needed atm because escaping happens when saving, not when rendering *
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if($settings->clean_raw_html)
|
||||
$source = htmlentities($source, ENT_QUOTES | ENT_HTML5);
|
||||
|
|
|
|||
Loading…
Reference in New Issue