<?php
-/**
- *
- * showrss ¥×¥é¥°¥¤¥ó
- *
- * ¥é¥¤¥»¥ó¥¹¤Ï PukiWiki ËÜÂΤÈƱ¤¸¤¯ GNU General Public License (GPL) ¤Ç¤¹¡£
- * http://www.gnu.org/licenses/gpl.txt
- *
- * pukiwikiÍѤΥץ饰¥¤¥ó¤Ç¤¹¡£
- * pukiwiki1.3.2°Ê¾å¤ÇÆ°¤¯¤È»×¤¤¤Þ¤¹¡£
- *
- * º£¤Î¤È¤³¤íÆ°ºî¤µ¤»¤ë¤¿¤á¤Ë¤ÏPHP ¤Î xml extension ¤¬É¬¿Ü¤Ç¤¹¡£PHP¤ËÁȤ߹þ¤Þ¤ì¤Æ¤Ê¤¤¾ì¹ç¤Ï¤½¤Ã¤±¤Ê¤¤¥¨¥é¡¼¤¬½Ð¤ë¤È»×¤¤¤Þ¤¹¡£
- * Àµµ¬É½¸½ or ʸ»úÎó´Ø¿ô¤Ç¤Ê¤ó¤È¤«¤Ê¤é¤Ê¤¯¤â¤Ê¤µ¤²¤Ê¤ó¤Ç¤¹¤¬¼ûÍפäƤɤ줯¤é¤¤¤¢¤ë¤Î¤«¤ï¤«¤é¤¤¤Î¤ÇÊÝα¤Ç¤¹¡£
- * mbstring ¤â¤¢¤ë¤Û¤¦¤¬¤¤¤¤¤Ç¤¹¡£
- *
- * ¤Ê¤¤¾ì¹ç¤Ï¡¢ jcode.phps ¤ò¤Á¤ç¤³¤Ã¤È¤¤¤¸¤Ã¤Æ mb_convert_encoding ¤È¤¤¤¦´Ø¿ô¤òÀë¸À¤·¤Æ¤ª¤±¤Ð¤È¤ê¤¢¤¨¤º¤½¤ì¤Ã¤Ý¤¯ÊÑ´¹¤Ç¤¤ë¤«¤â¤Ç¤¹¡£
- * http://www.spencernetwork.org/
- *
- * ¤´Ï¢ÍíÀè:
- * do3ob wiki -> http://do3ob.com/
- * email -> hiro_do3ob@yahoo.co.jp
- *
- * ÈòÆñ½ê -> http://do3ob.s20.xrea.com/
- *
- * version: $Id: showrss.inc.php,v 1.6 2003/03/02 06:53:50 panda Exp $
- *
- */
-
-// RSSÃæ¤Î "< > &" ¤Ê¤É¤ò °ìö "< > &" ¤ËÌ᤹¤«¡© ¡ã "&" ¤¬ "&amp;" ¤Ë¤Ê¤Ã¤Á¤ã¤¦¤ÎÂкö
-if (!defined('SHOWRSS_VALUE_UNESCAPE')) {
- define('SHOWRSS_VALUE_UNESCAPE', true);
-}
-
-// ¤½¤Î¸å¤â¤Ã¤«¤¤"< > &"¤Ê¤É¤ò"< > &"¤Ë¤¹¤ë¤«¡© ¡ã XSSÂкö¡©
-if (!defined('SHOWRSS_VALUE_ESCAPE')) {
- define('SHOWRSS_VALUE_ESCAPE' , true);
-}
-
-
-function plugin_showrss_init() {
-
- global $_plugin_showrss_tmpl;
-
- $_plugin_showrss_tmpl = array();
- $_plugin_showrss_tmpl['default'] = array(
- 'main' => '<p>{list}</p>',
- 'list' => "<a href=\"{link}\" title=\"{description}\">{title}</a><br />\n",
- 'lastmodified' => "<p style=\"font-size:10px\"><strong>Last-Modified:{timestamp}</strong></p>\n"
- );
- $_plugin_showrss_tmpl['menubar'] = array(
- 'main' => "<ul class=\"recent_list\">\n{list}</ul>\n",
- 'list' => " <li><a href=\"{link}\" title=\"{title} ({description})\">{title}</a></li>\n",
- 'lastmodified' => "<p style=\"font-size:10px\"><strong>Last-Modified:{timestamp}</strong></p>\n"
- );
- $_plugin_showrss_tmpl['recent'] = array(
- 'main' => "<ul class=\"recent_list\">\n{list}</ul>\n",
- 'list' => " <li><a href=\"{link}\" title=\"{title} ({description})\">{title}</a></li>\n",
- 'lastmodified' => "<p style=\"font-size:10px\"><strong>Last-Modified:{timestamp}</strong></p>\n"
- );
+// PukiWiki - Yet another WikiWikiWeb clone
+// showrss.inc.php
+// Copyright:
+// 2002-2017 PukiWiki Development Team
+// 2002 PANDA <panda@arino.jp>
+// (Original)hiro_do3ob@yahoo.co.jp
+// License: GPL, same as PukiWiki
+//
+// Show RSS (of remote site) plugin
+// NOTE:
+// * This plugin needs 'PHP xml extension'
+// * Cache data will be stored as CACHE_DIR/*.tmp
+
+define('PLUGIN_SHOWRSS_USAGE', '#showrss(URI-to-RSS[,default|menubar|recent[,Cache-lifetime[,Show-timestamp]]])');
+
+// Show related extensions are found or not
+function plugin_showrss_action()
+{
+ if (PKWK_SAFE_MODE) die_message('PKWK_SAFE_MODE prohibit this');
+
+ $body = '';
+ foreach(array('xml', 'mbstring') as $extension){
+ $$extension = extension_loaded($extension) ?
+ '&color(green){Found};' :
+ '&color(red){Not found};';
+ $body .= '| ' . $extension . ' extension | ' . $$extension . ' |' . "\n";
+ }
+ return array('msg' => 'showrss_info', 'body' => convert_html($body));
}
-function plugin_showrss_convert() {
-
- global $_plugin_showrss_tmpl;
-
- $local_tmpl = $_plugin_showrss_tmpl; // timestampÉÕ²ÃÍÑ
-
- if (!extension_loaded('xml')) {
- // xml ³ÈÄ¥µ¡Ç½¤¬Í¸ú¤Ç¤Ê¤¤¾ì¹ç¡£
- // http://www18.tok2.com/home/koumori27/xml/phpsax/phpsax_menu.html ¤ò»ÈÍѤ¹¤ë¤ÈƱ¤¸¤³¤È¤Ç¤¤½¤¦¤À¤±¤É¥Ë¡¼¥º¤¢¤ë¤«¤Ê¡©
- return plugin_showrss_private_error_message('xml extension is not loaded');
+function plugin_showrss_convert()
+{
+ static $_xml;
+
+ if (! isset($_xml)) $_xml = extension_loaded('xml');
+ if (! $_xml) return '#showrss: xml extension is not found<br />' . "\n";
+
+ $num = func_num_args();
+ if ($num == 0) return PLUGIN_SHOWRSS_USAGE . '<br />' . "\n";
+
+ $argv = func_get_args();
+ $timestamp = FALSE;
+ $cachehour = 0;
+ $template = $uri = '';
+ switch ($num) {
+ case 4: $timestamp = (trim($argv[3]) == '1'); /*FALLTHROUGH*/
+ case 3: $cachehour = trim($argv[2]); /*FALLTHROUGH*/
+ case 2: $template = strtolower(trim($argv[1]));/*FALLTHROUGH*/
+ case 1: $uri = trim($argv[0]);
}
- if (func_num_args() == 0) {
- // °ú¿ô¤¬¤Ê¤¤¾ì¹ç¤Ï¥¨¥é¡¼
- return plugin_showrss_private_error_message('wrong parameter');
+ $class = ($template == '' || $template == 'default') ? 'ShowRSS_html' : 'ShowRSS_html_' . $template;
+ if (! is_numeric($cachehour))
+ return '#showrss: Cache-lifetime seems not numeric: ' . htmlsc($cachehour) . '<br />' . "\n";
+ if (! class_exists($class))
+ return '#showrss: Template not found: ' . htmlsc($template) . '<br />' . "\n";
+ if (! is_url($uri))
+ return '#showrss: Seems not URI: ' . htmlsc($uri) . '<br />' . "\n";
+
+ // Remove old caches in 5% rate
+ if (mt_rand(1, 20) === 1) {
+ plugin_showrss_cache_expire(24);
}
-
- $array = func_get_args();
- $rssurl = $tmplname = $usecache = $usetimestamp = '';
-
- switch (func_num_args()) {
- case 4:
- $usetimestamp = $array[3];
- case 3:
- $usecache = $array[2];
- case 2:
- $tmplname = $array[1];
- case 1:
- $rssurl = $array[0];
+ list($rss, $time) = plugin_showrss_get_rss($uri, $cachehour);
+ if ($rss === FALSE) return '#showrss: Failed fetching RSS from the server<br />' . "\n";
+ if (! is_array($rss)) {
+ // Show XML error message
+ return '#showrss: Error - ' . htmlsc($rss) . '<br />' . "\n";
}
-
- // ¶õÇò¤òÇÓ½ü
- $rssurl = trim($rssurl);
- $tmplname = trim($tmplname);
- $usetimestamp = trim($usetimestamp);
-
- if ($tmplname == '' or (is_array($local_tmpl[$tmplname]) === false)) {
- $tmplname = 'default';
- }
-
- // RSS ¥Ñ¥¹¤ÎÃÍ¥Á¥§¥Ã¥¯
- if (plugin_showrss_private_check_url($rssurl) == false) {
- // url(¥í¡¼¥«¥ë¥Õ¥¡¥¤¥ë¥Ñ¥¹)¤¬ÉÔÀµ¤Ê¾ì¹ç
- return plugin_showrss_private_error_message("syntax error '$rssurl'");
+ $time_display = '';
+ if ($timestamp > 0) {
+ $time_display = '<p style="font-size:10px; font-weight:bold">Last-Modified:' .
+ get_date('Y/m/d H:i:s', $time) . '</p>';
}
- if ($usecache > 0) {
- if (file_exists(CACHE_DIR) === false) {
- // ¥¥ã¥Ã¥·¥å¤ò»È¤ª¤¦¤È»×¤Ã¤¿¤±¤É¥¥ã¥Ã¥·¥å¥Ç¥£¥ì¥¯¥È¥ê¤¬Â¸ºß¤·¤Ê¤¤¡£
- return plugin_showrss_private_error_message("don't exist:" . CACHE_DIR);
- }
+ $obj = new $class($rss);
+ return $obj->toString($time_display);
+}
- if (is_writable(CACHE_DIR) === false) {
- // ¥¥ã¥Ã¥·¥å¥Ç¥£¥ì¥¯¥È¥ê¤Ï½ñ¤¹þ¤ß²Äǽ¤«¡©
- return plugin_showrss_private_error_message("don't have permission to access :" . CACHE_DIR);
- }
+// Create HTML from RSS array()
+class ShowRSS_html
+{
+ var $items = array();
+ var $class = '';
- $expire = 60 * 60 * $usecache;
- if (($filename = plugin_showrss_private_cache_rss($rssurl, $expire)) !== false && filesize($filename) !== 0) {
- // ¥¥ã¥Ã¥·¥å¤ÇÂнè¤Ç¤¤¿¾ì¹ç¤Ï url ¤ò¥¥ã¥Ã¥·¥å¤Ë½ñ¤´¹¤¨¤ë¡£
- $rssurl = $filename;
- }
- else {
- // ¥¥ã¥Ã¥·¥å¤ÎÀ¸À®¤Ë¼ºÇÔ¤·¤¿¾ì¹ç¤Ï²¿¤â¤Ê¤«¤Ã¤¿¤Î¤´¤È¤¯¿¶Éñ¤¦¡¦¡¦¡¦ ¡ã¥¨¥é¡¼µ¯¤³¤¹¤Ù¤¡©
- $usecache = 0;
+ function ShowRSS_html($rss)
+ {
+ $this->__construct($rss);
+ }
+ function __construct($rss)
+ {
+ foreach ($rss as $date=>$items) {
+ foreach ($items as $item) {
+ $link = $item['LINK'];
+ $title = $item['TITLE'];
+ $passage = get_passage($item['_TIMESTAMP']);
+ $link = '<a href="' . $link . '" title="' . $title . ' ' .
+ $passage . '" rel="nofollow">' . $title . '</a>';
+ $this->items[$date][] = $this->format_link($link);
+ }
}
}
- // ¥¿¥¤¥à¥¹¥¿¥ó¥×¤Ä¤±¤ë¤ó¤À¤±¤É¡£¤â¡¼¤Á¤ç¤¤¥¹¥Þ¡¼¥È¤Ë½ñ¤¤¿¤¤¤Ê¡¢¡¢
- $timestamp = '';
- if ($usetimestamp > 0) {
- if ($usecache > 0) {
- $timestamp = filemtime($rssurl);
- }
- else {
- $timestamp = time();
- }
- $timestamp = date('Y/m/d H:i:s', $timestamp);
- $timestamp = str_replace('{timestamp}', $timestamp, $local_tmpl[$tmplname]['lastmodified']);
+ function format_link($link)
+ {
+ return $link . '<br />' . "\n";
}
- $parsed_rss_array = plugin_showrss_private_get_rss_array($rssurl);
+ function format_list($date, $str)
+ {
+ return $str;
+ }
- if (is_string($parsed_rss_array)) {
- // Ìá¤êÃͤ¬Ê¸»úÎó¤À¤È¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸
- return plugin_showrss_private_error_message($parsed_rss_array);
+ function format_body($str)
+ {
+ return $str;
}
- if (function_exists('mb_convert_encoding')) {
- // ¥¨¥ó¥³¡¼¥É¤Ç¤¤ë¾ì¹ç¤ÏSOURCE_ENCODING¤Ë¡£
- foreach ($parsed_rss_array as $index => $parsed_rss) {
- foreach ($parsed_rss as $parsed_rss_key => $parsed_rss_value) {
- $parsed_rss_array[$index][$parsed_rss_key] = mb_convert_encoding($parsed_rss_value,SOURCE_ENCODING,'auto');
- }
- }
+ function toString($timestamp)
+ {
+ $retval = '';
+ foreach ($this->items as $date=>$items)
+ $retval .= $this->format_list($date, join('', $items));
+ $retval = $this->format_body($retval);
+ return <<<EOD
+<div{$this->class}>
+$retval$timestamp
+</div>
+EOD;
}
- return plugin_showrss_private_make_html($tmplname, $local_tmpl, $parsed_rss_array) . $timestamp;
}
-// °Ê²¼¡¢showrss ¥×¥é¥¤¥Ù¡¼¥È¤Ê´Ø¿ô¤È¤«
+class ShowRSS_html_menubar extends ShowRSS_html
+{
+ var $class = ' class="small"';
-// ¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸¡Ê´Ê°×¡Ë
-function plugin_showrss_private_error_message($msg) {
- return '<strong>showrss:</strong>' . $msg;
-}
-
-// url¥Á¥§¥Ã¥¯
-// ¥í¡¼¥«¥ë¥Õ¥¡¥¤¥ë¤Î¾ì¹ç¤Ï showrss??????.tmp ¤ß¤¿¤¤¤Ê¥Õ¥¡¥¤¥ë̾¤¸¤ã¤Ê¤¤¤È¥¨¥é¡¼¤Ë¤Ê¤ê¤Þ¤¹¡£
-// ereg("showrss[a-z0-9_-]+\\.tmp") ¢«¤³¤ì¤Ë¥Þ¥Ã¥Á¤¹¤ì¤ÐOK!
-function plugin_showrss_private_check_url($rssurl) {
- // parse_url¤ò¤«¤Þ¤·¤ÆÇÛÎó²½
- $parsed = parse_url(strtolower(trim($rssurl)));
-
- // scheme¤¬http,https,ftp¤Ê¤é̵¾ò·ï¤ÇOK
- $scheme = array('http', 'https', 'ftp');
- if (in_array($parsed['scheme'], $scheme)) {
- return true;
- }
- elseif (isset($parsed['scheme']) == true) {
- // ¤½¤ì°Ê³°¤Îscheme¤Ï¤È¤ê¤¢¤¨¤º¥¨¥é¡¼¤Ë¤·¤Æ¤ß¤ë¡£
- return false;
+ function format_link($link) {
+ return '<li>' . $link . '</li>' . "\n";
}
- $filename = basename($parsed['path']);
- if (ereg("showrss[a-z0-9_\\.-]+\\.tmp", $filename)) {
- return true;
+ function format_body($str) {
+ return '<ul class="recent_list">' . "\n" . $str . '</ul>' . "\n";
}
-
- // ¤¹¤Ù¤Æ¤Î¾ò·ï¤Ë°ú¤Ã³Ý¤«¤é¤Ê¤¤¾ì¹ç¤Ï false
- return false;
}
-// ¥Æ¥ó¥×¥ì¡¼¥È¤ò¤Ä¤«¤Ã¤ÆrssÇÛÎ󤫤éhtml¤òºî¤ë
-function plugin_showrss_private_make_html($tmplname, $showrss_tmpl, $parsed_rss_array) {
- // ¥Æ¥ó¥×¥ì¡¼¥ÈÆÃͤδؿô¤¬¤¢¤ë¾ì¹ç¡¢¤½¤¤¤Ä¤ò»È¤¦¡£
- if (function_exists("plugin_showrss_private_make_html_" . $tmplname) === true) {
- $makehtml = "plugin_showrss_private_make_html_" . $tmplname;
+class ShowRSS_html_recent extends ShowRSS_html
+{
+ var $class = ' class="small"';
+
+ function format_link($link) {
+ return '<li>' . $link . '</li>' . "\n";
}
- else {
- $makehtml = "plugin_showrss_private_make_html_default";
+
+ function format_list($date, $str) {
+ return '<strong>' . $date . '</strong>' . "\n" .
+ '<ul class="recent_list">' . "\n" . $str . '</ul>' . "\n";
}
- return $makehtml($tmplname, $showrss_tmpl, $parsed_rss_array);
}
-// ¥Ç¥Õ¥©¥ë¥È¤Î¥Æ¥ó¥×¥ì¡¼¥ÈÃÖ¤´¹¤¨´Ø¿ô
-function plugin_showrss_private_make_html_default($tmplname, $showrss_tmpl, $parsed_rss_array) {
- $linklist = '';
- // ÃÖ´¹¤¨
- foreach ($parsed_rss_array as $index => $parsed_rss) {
- $linkhtml = $showrss_tmpl[$tmplname]["list"];
- foreach ($parsed_rss as $parsed_rss_key => $parsed_rss_value) {
-
- switch ($parsed_rss_key) {
- case "link":
- // ¥ê¥ó¥¯¤Î¾ì¹ç
- // XSS Âкö¤Ç " > ¤È¤«ÊÑ´¹¡©
- break;
- case "description":
- if ($unixtime = strtotime(trim($parsed_rss_value))) {
- $parsed_rss_value = plugin_showrss_private_make_update_label($unixtime);
- }
- break;
- default:
- // ¤Ê¤·
- }
- $parsed_rss_value = plugin_showrss_private_escape($parsed_rss_value);
-
- $linkhtml = str_replace("{" . $parsed_rss_key . "}", trim($parsed_rss_value), $linkhtml);
+// Get and save RSS
+function plugin_showrss_get_rss($target, $cachehour)
+{
+ $buf = '';
+ $time = NULL;
+ if ($cachehour) {
+ $filename = CACHE_DIR . encode($target) . '.tmp';
+ // Remove expired cache
+ plugin_showrss_cache_expire_file($filename, $cachehour);
+ // Get the cache not expired
+ if (is_readable($filename)) {
+ $buf = join('', file($filename));
+ $time = filemtime($filename) - LOCALZONE;
}
- $linklist .= $linkhtml;
}
- $linklist = str_replace("{list}", $linklist, $showrss_tmpl[$tmplname]["main"]);
- return $linklist;
-}
-// recentÉ÷¤ËÃÖ¤´¹¤¨¤ë´Ø¿ô
-function plugin_showrss_private_make_html_recent($tmplname, $showrss_tmpl, $parsed_rss_array) {
-
- $last = $linklist = $temp = '';
- // ÃÖ´¹¤¨
- foreach ($parsed_rss_array as $index => $parsed_rss) {
-
- if (strtotime($parsed_rss['description']) !== false ) {
- if (date('Y-m-d', strtotime($parsed_rss['description'])) !== $last) {
- if ($temp != '') {
- $linklist .= "<p><strong>$last</strong></p>";
- $linklist .= str_replace('{list}', $temp, $showrss_tmpl[$tmplname]['main']);
- $temp = '';
- }
- $last = date('Y-m-d', strtotime($parsed_rss['description']));
- }
+ if (is_null($time)) {
+ // Newly get RSS
+ $data = pkwk_http_request($target);
+ if ($data['rc'] !== 200) {
+ return array(FALSE, 0);
}
-
- $linkhtml = $showrss_tmpl[$tmplname]["list"];
- foreach ($parsed_rss as $parsed_rss_key => $parsed_rss_value) {
-
- switch ($parsed_rss_key) {
- case "link":
- // ¥ê¥ó¥¯¤Î¾ì¹ç
- // XSS Âкö¤Ç " > ¤È¤«ÊÑ´¹¡©
- break;
- case "description":
- if ($unixtime = strtotime(trim($parsed_rss_value))) {
- $parsed_rss_value = plugin_showrss_private_make_update_label($unixtime);
- }
- break;
- default:
- // ¤Ê¤·
- }
- $parsed_rss_value = plugin_showrss_private_escape($parsed_rss_value);
-
- $linkhtml = str_replace("{" . $parsed_rss_key . "}", trim($parsed_rss_value), $linkhtml);
+ $buf = $data['data'];
+ $time = UTIME;
+
+ // Save RSS into cache
+ if ($cachehour) {
+ $fp = fopen($filename, 'w');
+ fwrite($fp, $buf);
+ fclose($fp);
}
- $temp .= $linkhtml;
}
- if ($last != '')
- $linklist .= "<p><strong>$last</strong></p>";
- if ($temp != '')
- $linklist .= str_replace("{list}", $temp, $showrss_tmpl[$tmplname]["main"]);
- return $linklist;
+ // Parse
+ $obj = new ShowRSS_XML();
+ $obj->modified_date = (is_null($time) ? UTIME : $time);
+ return array($obj->parse($buf),$time);
}
-// xssÂкö¤Ã¤Ý¤¤¤è¤¦¤Ê
-function plugin_showrss_private_escape($target) {
-
- if (SHOWRSS_VALUE_UNESCAPE) {
- $target = strtr($target, array_flip(get_html_translation_table(ENT_COMPAT)));
+// Remove cache if expired limit exeed
+function plugin_showrss_cache_expire($cachehour)
+{
+ $expire = $cachehour * 60 * 60; // Hour
+ $dh = dir(CACHE_DIR);
+ while (($file = $dh->read()) !== FALSE) {
+ if (substr($file, -4) != '.tmp') continue;
+ $file = CACHE_DIR . $file;
+ $last = time() - filemtime($file);
+ if ($last > $expire) unlink($file);
}
-
- if (SHOWRSS_VALUE_ESCAPE) {
- $target = htmlspecialchars($target);
- }
- return $target;
-}
-
-// rss¤ò¼èÆÀ¡¦ÇÛÎó²½
-function plugin_showrss_private_get_rss_array($rss) {
- global $_plugin_showrss_insideitem,$_plugin_showrss_tag,$_plugin_showrss_title,
- $_plugin_showrss_description,$_plugin_showrss_link,$_plugin_showrss_parsed;
-
- // ½é´ü²½
- $_plugin_showrss_insideitem = false;
- $_plugin_showrss_tag = $_plugin_showrss_title = $_plugin_showrss_description = $_plugin_showrss_link = "";
- $_plugin_showrss_parsed = array();
-
- $xml_parser = xml_parser_create();
- xml_set_element_handler($xml_parser, "plugin_showrss_private_start_element", "plugin_showrss_private_end_element");
- xml_set_character_data_handler($xml_parser, "plugin_showrss_private_character_data");
- if (!($fp = @fopen($rss,"r"))) return("can't open $rss");
- while ($data = fread($fp, 4096))
- if (!xml_parse($xml_parser, $data, feof($fp))) {
- return(sprintf("XML error: %s at line %d in %s",
- xml_error_string(xml_get_error_code($xml_parser)),
- xml_get_current_line_number($xml_parser), $rss));
- }
- fclose($fp);
- xml_parser_free($xml_parser);
- return $_plugin_showrss_parsed;
-}
-
-
-// ¹¹¿·»þ´Ö¤òpukiwikiÉ÷¤ËÊÑ´¹¡©
-function plugin_showrss_private_make_update_label($time, $utime = UTIME) {
- $time = $utime - $time;
-
- if (ceil($time / 60) < 60)
- $result = ceil($time / 60)."m";
- else if (ceil($time / 60 / 60) < 24)
- $result = ceil($time / 60 / 60)."h";
- else
- $result = ceil($time / 60 / 60 / 24)."d";
-
- return $result;
+ $dh->close();
}
-// xml parser¤Î¥Ï¥ó¥É¥é´Ø¿ô
-function plugin_showrss_private_start_element($parser, $name, $attrs) {
- global $_plugin_showrss_insideitem, $_plugin_showrss_tag, $_plugin_showrss_title, $_plugin_showrss_description, $_plugin_showrss_link;
- if ($_plugin_showrss_insideitem) {
- $_plugin_showrss_tag = $name;
- }
- else if ($name == "ITEM") {
- $_plugin_showrss_insideitem = true;
- }
-}
-// xml parser¤Î¥Ï¥ó¥É¥é´Ø¿ô
-function plugin_showrss_private_end_element($parser, $name) {
- global $_plugin_showrss_insideitem, $_plugin_showrss_tag, $_plugin_showrss_title, $_plugin_showrss_description, $_plugin_showrss_link, $_plugin_showrss_parsed;
- if ($name == "ITEM") {
-
- $_plugin_showrss_parsed[] = array(
- "link" => $_plugin_showrss_link,
- "title" => $_plugin_showrss_title,
- "description" => $_plugin_showrss_description
- );
-
-
- $_plugin_showrss_title = "";
- $_plugin_showrss_description = "";
- $_plugin_showrss_link = "";
- $_plugin_showrss_insideitem = false;
+/**
+ * Remove single file cache if expired limit exeed
+ * @param $filename
+ * @param $cachehour
+ */
+function plugin_showrss_cache_expire_file($filename, $cachehour)
+{
+ $expire = $cachehour * 60 * 60; // Hour
+ $last = time() - filemtime($filename);
+ if ($last > $expire) {
+ unlink($filename);
}
}
-// xml parser ¤Î¥Ï¥ó¥É¥é´Ø¿ô
-function plugin_showrss_private_character_data($parser, $data) {
- global $_plugin_showrss_insideitem, $_plugin_showrss_tag, $_plugin_showrss_title, $_plugin_showrss_description, $_plugin_showrss_link;
- if ($_plugin_showrss_insideitem) {
- switch ($_plugin_showrss_tag) {
- case "TITLE":
- $_plugin_showrss_title .= $data;
- break;
- case "DESCRIPTION":
- $_plugin_showrss_description .= $data;
- break;
- case "LINK":
- $_plugin_showrss_link .= $data;
- break;
+// Get RSS and array() them
+class ShowRSS_XML
+{
+ var $items;
+ var $item;
+ var $is_item;
+ var $tag;
+ var $encoding;
+ var $modified_date;
+
+ function parse($buf)
+ {
+ $this->items = array();
+ $this->item = array();
+ $this->is_item = FALSE;
+ $this->tag = '';
+ $utf8 = 'UTF-8';
+ $this->encoding = $utf8;
+ // Detect encoding
+ $matches = array();
+ if(preg_match('/<\?xml [^>]*\bencoding="([a-z0-9-_]+)"/i', $buf, $matches)) {
+ $encoding = $matches[1];
+ if (strtoupper($encoding) !== $utf8) {
+ // xml_parse() fails on non UTF-8 encoding attr in XML decLaration
+ $buf = preg_replace('/<\?xml ([^>]*)\bencoding="[a-z0-9-_]+"/i', '<?xml $1', $buf);
+ // xml_parse() requires UTF-8 compatible encoding
+ $buf = mb_convert_encoding($buf, $utf8, $encoding);
+ }
}
+ // Parsing
+ $xml_parser = xml_parser_create($utf8);
+ xml_set_element_handler($xml_parser, array(& $this, 'start_element'), array(& $this, 'end_element'));
+ xml_set_character_data_handler($xml_parser, array(& $this, 'character_data'));
+ if (! xml_parse($xml_parser, $buf, 1)) {
+ return sprintf('XML error: %s at line %d in %s',
+ xml_error_string(xml_get_error_code($xml_parser)),
+ xml_get_current_line_number($xml_parser),
+ (strlen($buf) < 500 ? $buf : substr($buf, 0, 500) . '...'));
+ }
+ xml_parser_free($xml_parser);
+ return $this->items;
}
-}
-
-// -- ¥¥ã¥Ã¥·¥å¼þ¤ê -- //
-// ¥¥ã¥Ã¥·¥å¤ò¥³¥ó¥È¥í¡¼¥ë
-function plugin_showrss_private_cache_rss($target, $expire) {
- // ´ü¸ÂÀÚ¤ì¤Î¥¥ã¥Ã¥·¥å¤ò¥¯¥ê¥¢
- plugin_showrss_private_cache_garbage_collection(CACHE_DIR, $expire);
- // ¥¥ã¥Ã¥·¥å¤¬¤¢¤ì¤Ð¼èÆÀ¤¹¤ë
- if (($result = plugin_showrss_private_cache_fetch($target, CACHE_DIR, $expire)) !== false) {
- return $result;
+ function escape($str)
+ {
+ // Unescape already-escaped chars (<, >, &, ...) in RSS body before htmlsc()
+ $str = strtr($str, array_flip(get_html_translation_table(ENT_COMPAT)));
+ // Escape
+ $str = htmlsc($str);
+ // Encoding conversion
+ $str = mb_convert_encoding($str, SOURCE_ENCODING, $this->encoding);
+ return trim($str);
}
- $data = implode('', file($target));
-
- if (($filename = plugin_showrss_private_cache_save($data, $target, CACHE_DIR)) === false) {
- return false;
+ // Tag start
+ function start_element($parser, $name, $attrs)
+ {
+ if ($this->is_item) {
+ $this->tag = $name;
+ } else if ($name == 'ITEM') {
+ $this->is_item = TRUE;
+ }
}
- return $filename;
-
-}
-
-// ¥¥ã¥Ã¥·¥å¤¬¤¢¤ë¤«Ä´¤Ù¤ë¡£Â¸ºß¤¹¤ë¾ì¹ç¥Õ¥¡¥¤¥ë̾
-function plugin_showrss_private_cache_fetch($target, $dir) {
-
- $filename = $dir . encode($target) . ".tmp";
+ // Tag end
+ function end_element($parser, $name)
+ {
+ if (! $this->is_item || $name != 'ITEM') return;
+
+ $item = array_map(array(& $this, 'escape'), $this->item);
+ $this->item = array();
+
+ if (isset($item['DC:DATE'])) {
+ $time = plugin_showrss_get_timestamp($item['DC:DATE'], $this->modified_date);
+
+ } else if (isset($item['PUBDATE'])) {
+ $time = plugin_showrss_get_timestamp($item['PUBDATE'], $this->modified_date);
+ } else {
+ $time_from_desc = FALSE;
+ if (isset($item['DESCRIPTION']) &&
+ (($description = trim($item['DESCRIPTION'])) != '')) {
+ $time_from_desc = strtotime($description);
+ }
+ if ($time_from_desc !== FALSE && $time_from_desc !== -1) {
+ $time = $time_from_desc - LOCALZONE;
+ } else {
+ $time = time() - LOCALZONE;
+ }
+ }
+ $item['_TIMESTAMP'] = $time;
+ $date = get_date('Y-m-d', $item['_TIMESTAMP']);
- if (!is_readable($filename)) {
- return false;
+ $this->items[$date][] = $item;
+ $this->is_item = FALSE;
}
- return $filename;
-}
-
-// ¥¥ã¥Ã¥·¥å¤òÊݸ
-function plugin_showrss_private_cache_save($data, $target, $dir) {
- $filename = $dir . encode($target) . ".tmp";
- // lock¤¤¤é¤Ê¤¤¤«¤Ê¡©
- $fp = fopen($filename, "w");
- fwrite($fp, $data);
- fclose($fp);
- return $filename;
-}
-
-// ´ü¸ÂÀÚ¤ì¤Î¥Õ¥¡¥¤¥ë¤òºï½ü
-function plugin_showrss_private_cache_garbage_collection($dir, $expire) {
-
- $dh = dir($dir);
- while (($filename = $dh->read()) !== false)
+ function character_data($parser, $data)
{
- if (substr($filename,-4) != '.tmp')
- {
- continue;
- }
-
- $last = time() - filemtime($dir . $filename);
+ if (! $this->is_item) return;
+ if (! isset($this->item[$this->tag])) $this->item[$this->tag] = '';
+ $this->item[$this->tag] .= $data;
+ }
+}
- if ($last > $expire)
- {
- unlink($dir . $filename);
+function plugin_showrss_get_timestamp($str, $default_date)
+{
+ $str = trim($str);
+ if ($str == '') return UTIME;
+
+ $matches = array();
+ if (preg_match('/(\d{4}-\d{2}-\d{2})T(\d{2}:\d{2}:\d{2})(([+-])(\d{2}):(\d{2}))?/', $str, $matches)) {
+ $time = strtotime($matches[1] . ' ' . $matches[2]);
+ if ($time === FALSE || $time === -1) {
+ $time = $default_date;
+ } else if (isset($matches[3])) {
+ $diff = ($matches[5] * 60 + $matches[6]) * 60;
+ $time += ($matches[4] == '-' ? $diff : -$diff);
}
+ return $time;
+ } else {
+ $time = strtotime($str);
+ return ($time === FALSE || $time === -1) ? $default_date : $time - LOCALZONE;
}
-
- $dh->close();
-
}
-
-?>
\ No newline at end of file
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