566 lines
12 KiB
PHP
566 lines
12 KiB
PHP
<?php
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/*
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Plugin Name: PrettyURLs
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Plugin URI: http://flatpress.nowherland.it/
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Description: Url prettifier (powered by htaccess)
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Author: NoWhereMan (E.Vacchi)
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Version: 3.0
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Author URI: http://www.nowhereland.it
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*/
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/**
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* Place where the index is stored
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*/
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define('PRETTYURLS_TITLES', true);
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define('PRETTYURLS_PATHINFO', false);
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define('PRETTYURLS_CACHE', CACHE_DIR . '%%prettyurls-index.tmp');
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define('PRETTYURLS_CATS', CACHE_DIR . '%%prettyurls-cats.tmp');
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/**
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* File existance check
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*/
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# memo
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# register_plugin_setup('plugin_id', 'setup_func');
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function plugin_prettyurls_setup() {
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if (file_exists(ABS_PATH . '.htaccess'))
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return 1;
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if (!is_writable(ABS_PATH)) {
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return -2;
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}
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return 1;
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}
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class Plugin_PrettyURLs {
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var $index = array();
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var $status = 0;
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var $date_handled = false;
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var $categories = null;
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var $fp_params;
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function categories($force=true) {
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if ($this->categories)
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return;
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if ($force || !file_exists(PRETTYURLS_CATS)) {
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$d = entry_categories_get('defs');
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$list = array();
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foreach ($d as $k=>$v) {
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$list[$k] = sanitize_title($v);
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}
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io_write_file(PRETTYURLS_CATS, serialize($list));
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} else {
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$f = io_load_file(PRETTYURLS_CATS);
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$list = unserialize($f);
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}
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$this->categories = $list;
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}
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function md5($id, $title) {
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$date = date_from_id($id);
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return md5($date['y'].$date['m'].$date['d'].$title);
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}
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function permalink($str, $id) {
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global $fpdb, $post;
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if (PRETTYURLS_TITLES)
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$title = sanitize_title($post['subject']);
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else
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$title = $id;
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$date = date_from_id($id);
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// yeah, hackish, I know...
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return $this->baseurl . "20{$date['y']}/{$date['m']}/{$date['d']}/$title/";
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}
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function commentlink($str, $id) {
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$link = $this->permalink($str, $id);
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return $link . "comments/";
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}
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function feedlink($str, $type) {
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return $this->baseurl . "feed/{$type}/";
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}
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function commentsfeedlink($str, $type, $id) {
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$link = $this->commentlink($str, $id);
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return $link . "feed/{$type}/";
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}
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function staticlink($str, $id) {
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return $this->baseurl . "$id/";
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}
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function categorylink($str, $catid) {
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if (PRETTYURLS_TITLES) {
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if (@$this->categories[$catid])
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return $this->baseurl . "category/{$this->categories[$catid]}/";
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else return $str;
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} else {
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return $this->baseurl . "category/{$catid}/";
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}
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}
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function yearlink($str, $y) {
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return $this->baseurl . "20$y/";
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}
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function monthlink($str, $y, $m) {
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return $this->yearlink($str, $y) . "$m/";
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}
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function daylink($str, $y, $m, $d) {
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return $this->daylink($str, $y, $m) . "$d/";
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}
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function cache_create() {
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$this->index = array();
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$o =& entry_init();
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$entries = $o->getList();
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foreach ($entries as $id => $contents) {
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$date = date_from_id($id);
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$md5 = md5(sanitize_title($contents['subject']));
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$this->index[$date['y']][$date['m']][$date['d']][$md5] = $id;
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}
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$this->cache_save();
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}
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function handle_categories($matches) {
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if (!$this->categories)
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return;
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if (PRETTYURLS_TITLES) {
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if ($c = array_search($matches[1], $this->categories))
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$this->fp_params['cat'] = $c;
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} else {
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$this->fp_params['cat'] = $matches[1];
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}
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}
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/*
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named matches are not supported here
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*/
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function handle_date($matches) {
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$this->fp_params['y'] = $matches[1];
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if (isset($matches[3])) $this->fp_params['m'] = $matches[3] ;
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if (isset($matches[5])) $this->fp_params['d'] = $matches[5];
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$this->date_handled = true;
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}
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function handle_static($matches) {
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$this->fp_params['page'] = $matches[1];
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$this->status = 2;
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}
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function handle_entry($matches) {
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if (PRETTYURLS_TITLES) {
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if (isset($this->index[$this->fp_params['y']][$this->fp_params['m']][$this->fp_params['d']][md5($matches[1])])) {
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$this->fp_params['entry'] = $this->index[$this->fp_params['y']][$this->fp_params['m']][$this->fp_params['d']][md5($matches[1])];
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} else {
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// a bit hackish: we make up a fake url when there is no match,
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// so that at the higher level the system will 404...
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$this->fp_params['entry'] = 'entry000000-000000';
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}
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} else {
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$this->fp_params['entry'] = $matches[1];
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}
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}
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function handle_page($matches) {
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$this->fp_params['paged'] = $matches[1];
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$this->status = 2;
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}
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function handle_comment($matches) {
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$this->fp_params['comments'] = true;
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}
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function handle_feed($matches) {
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$this->fp_params['feed'] = isset($matches[2])? $matches[2]:'rss2';
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}
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/*
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* here is where the real work is done.
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*
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* First we load the cache if exists;
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*
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* We check then if the GET request contains a 'title'
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* if so, we'll need date and time to construct the md5 sum
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* with which we index the cache array
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*
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* If that entry exists, we set $_GET['entry'] to that ID,
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* so that FlatPress can find it where it is expected
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*
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*/
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function cache_init() {
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global $fp_params;
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$this->fp_params =& $fp_params;
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$this->baseurl = PRETTYURLS_PATHINFO? BLOG_BASEURL . 'index.php/' : BLOG_BASEURL;
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if (PRETTYURLS_TITLES) {
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if ($f = io_load_file(PRETTYURLS_CACHE))
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$this->index = unserialize($f);
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if (!$this->index)
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$this->cache_create();
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$this->categories(false);
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}
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if (!defined('MOD_INDEX'))
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return;
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# this is not working if you reach flatpress via symlink
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# unless you don't edit manually defaults.php
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if (strpos($_SERVER['REQUEST_URI'], BLOG_ROOT)!==false) {
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$url = $_SERVER['REQUEST_URI'];
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$del = BLOG_ROOT;
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if (strpos($url, 'index.php')!==false)
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$del = $del . 'index.php/';
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$url = substr($url, strlen($del)-1);
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}
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if ($url=='/')
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return;
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$matches = array();
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// removes querystrings
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if ($i = strpos($url, '?'))
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$url = substr($url, 0, $i);
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// removes anchors
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if ($i = strpos($url, '#'))
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$url = substr($url, 0, $i);
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if (strrpos($url, '/') != (strlen($url)-1)) {
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$url .= '/';
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}
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//date
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$url = preg_replace_callback(
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'!^/[0-9]{2}(?P<y>[0-9]{2})(/(?P<m>[0-9]{2})(/(?P<d>[0-9]{2}))?)?!',
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array(&$this, 'handle_date'),
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$url
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);
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if (!$this->date_handled){
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// static page
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$url = preg_replace_callback('|^/([a-zA-Z0-9_-]+)/$|', array(&$this, 'handle_static'), $url);
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if ($this->status == 2)
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return $this->check_url($url);
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}
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$url = preg_replace_callback('{category/([^/]+)/}', array(&$this, 'handle_categories'), $url);
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$url = preg_replace_callback('|page/([0-9]+)/$|', array(&$this, 'handle_page'), $url);
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if ($this->status == 2)
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return $this->check_url($url);
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if ($this->date_handled){
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$url = preg_replace_callback('|^/([^/]+)|', array(&$this, 'handle_entry'), $url);
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// if status = 2
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/*
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utils_error(404);
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*/
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$url = preg_replace_callback('|^/comments|', array(&$this, 'handle_comment'), $url);
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}
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$url = preg_replace_callback('|^/feed(/([^/]*))?|', array(&$this, 'handle_feed'), $url);
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$this->check_url($url);
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}
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function check_url($url) {
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if (!empty($url) && $url != '/') {
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$this->fp_params = array('entry'=>'entry000000-000000');
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}
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}
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function cache_delete_elem($id, $date) {
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# is this a title change?
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if (isset($this->index[ $date['y'] ] [ $date['m'] ][ $date['d'] ]))
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$hash = array_search($id, $this->index[ $date['y'] ] [ $date['m'] ][ $date['d'] ]);
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else
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return;
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if ($hash) {
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unset($this->index[ $date['y'] ] [ $date['m'] ][ $date['d'] ][ $hash ]);
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if (empty($this->index[ $date['y'] ] [ $date['m'] ][ $date['d'] ])) {
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unset($this->index[ $date['y'] ] [ $date['m'] ][ $date['d'] ]);
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if (empty($this->index[ $date['y'] ] [ $date['m'] ])) {
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unset($this->index[ $date['y'] ] [ $date['m'] ]);
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if (empty($this->index[ $date['y'] ])) {
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unset($this->index[ $date['y'] ]);
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}
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}
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}
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}
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}
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function cache_add($id, &$arr) {
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$date = date_from_id($id);
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$title = sanitize_title($arr['subject']);
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$this->cache_delete_elem($id, $date);
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$this->index[ $date['y'] ] [ $date['m'] ][ $date['d'] ][ md5($title) ] = $id;
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$this->cache_save();
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return true;
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}
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function cache_delete($id) {
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$date = date_from_id($id);
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$this->cache_delete_elem($id, $date);
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$this->cache_save();
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}
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function cache_save() {
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if ($this->index)
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return io_write_file(PRETTYURLS_CACHE, serialize($this->index));
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return true;
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}
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function nextprevlink($nextprev, $v) {
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global $fpdb;
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$q =& $fpdb->getQuery();
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list($caption, $id) = call_user_func(array(&$q, 'get'.$nextprev));
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if (!$id)
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return array();
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if ($q->single) {
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$date = date_from_id($id);
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$title = sanitize_title($caption);
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$url = $this->baseurl . "20{$date['y']}/{$date['m']}/{$date['d']}/$title/";
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if ($v>0)
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$caption = $caption . ' » ';
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else
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$caption = ' « ' . $caption;
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return array($caption,$url);
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}
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// else, we build a complete url
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/* todo: clean up this mess... which means cleaning up the mess above. oh, my! */
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$l = $this->baseurl ;
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if ( ( is_numeric($cid = @$this->fp_params['category']) ) ||
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is_numeric($cid = @$this->fp_params['cat']) )
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$l = $this->categorylink($l, $cid);
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if (isset($this->fp_params['y']) && $this->fp_params['y']) {
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$l .= '20'. $this->fp_params['y'] . '/';
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if (isset($this->fp_params['m']) && $this->fp_params['m']) {
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$l .= $this->fp_params['m'] . '/';
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if (isset($this->fp_params['d']) && $this->fp_params['d'])
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$l .= $this->fp_params['d'] . '/';
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}
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}
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$page = 1;
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if (isset($this->fp_params['paged']) && $this->fp_params['paged']>1) $page = $this->fp_params['paged'];
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$page += $v;
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if ($page > 0) {
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$l .= 'page/' . $page . '/';
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}
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return array($caption,$l);
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}
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}
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global $plugin_prettyurls;
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$plugin_prettyurls = new Plugin_PrettyURLs;
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$plugin_prettyurls->categories();
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if (!defined('MOD_ADMIN_PANEL')){
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if (!function_exists('get_nextpage_link')) :
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function get_nextpage_link() {
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global $plugin_prettyurls;
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return $plugin_prettyurls->nextprevlink('NextPage', 1);
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}
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function get_prevpage_link() {
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global $plugin_prettyurls;
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return $plugin_prettyurls->nextprevlink('PrevPage',-1);
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}
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endif;
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}
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add_filter('post_link', array(&$plugin_prettyurls,'permalink'), 0, 2);
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add_filter('comments_link', array(&$plugin_prettyurls, 'commentlink'), 0, 2);
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add_filter('feed_link', array(&$plugin_prettyurls, 'feedlink'), 0, 2);
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add_filter('post_comments_feed_link', array(&$plugin_prettyurls, 'commentsfeedlink'), 0, 3);
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add_filter('category_link', array(&$plugin_prettyurls,'categorylink'), 0, 2);
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add_filter('page_link', array(&$plugin_prettyurls, 'staticlink'), 0, 2);
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// date related functions
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add_filter('year_link', array(&$plugin_prettyurls,'yearlink'), 0, 2);
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add_filter('month_link', array(&$plugin_prettyurls,'monthlink'), 0, 3);
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add_filter('day_link', array(&$plugin_prettyurls,'daylink'), 0, 4);
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if (PRETTYURLS_TITLES) {
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add_filter('publish_post', array(&$plugin_prettyurls, 'cache_add'), 5, 2);
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add_filter('delete_post', array(&$plugin_prettyurls, 'cache_delete'));
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add_action('update_categories', array(&$plugin_prettyurls, 'categories'));
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}
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add_filter('init', array(&$plugin_prettyurls, 'cache_init'));
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if (class_exists('AdminPanelAction')){
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class admin_plugin_prettyurls extends AdminPanelAction {
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var $langres = 'plugin:prettyurls';
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function setup() {
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$this->smarty->assign('admin_resource', "plugin:prettyurls/admin.plugin.prettyurls");
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$blogroot = BLOG_ROOT;
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$f = ABS_PATH . '.htaccess';
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$txt = io_load_file($f);
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if (!$txt) {
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$txt =<<<STR
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# Thanks again WP :)
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<IfModule mod_rewrite.c>
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RewriteEngine On
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RewriteBase {$blogroot}
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RewriteCond %{REQUEST_FILENAME} !-f
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RewriteCond %{REQUEST_FILENAME} !-d
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RewriteRule . {$blogroot}index.php [L]
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</IfModule>
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STR;
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}
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$this->smarty->assign('cantsave',
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( !is_writable(ABS_PATH) || (file_exists($f) && !is_writable($f)) )
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);
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$this->smarty->assign('htaccess', $txt);
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}
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function onsubmit() {
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global $fp_config;
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if (!empty($_POST['htaccess']) && io_write_file(ABS_PATH.'.htaccess', $_POST['htaccess'])){
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$this->smarty->assign('success', 1);
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} else {
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$this->smarty->assign('success', -1);
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}
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return 2;
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}
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}
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admin_addpanelaction('plugin', 'prettyurls', true);
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}
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?>
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