function cache_process($scope, $forcecachetime, $modifytime, $expiretime)
{
global $cachemode;
//session_cache_limiter($scope); //这个函数只能接受 "nocache" 参数，不能接受 "no-cache" 参数
$cachemode = $scope;
if ($scope == "nocache" || $scope == "no-cache") {
//兼容 "no-cache" 的写法，不推荐
header("Expires: Thu, 19 Nov 1981 08:52:00 GMT");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Pragma: no-cache");
return FALSE;
}
@($oldmodified = $_SERVER["HTTP_IF_MODIFIED_SINCE"]);
if ($oldmodified != "") {
if (($pos = strpos($oldmodified, ';')) !== false) {
$oldmodified = substr($oldmodified, 0, $pos);
}
$oldtime = strtotime($oldmodified) + $forcecachetime;
} else {
$oldtime = 0;
}
if ($oldtime >= $modifytime) {
header("HTTP/1.1 304 Not Modified");
header("Cache-Control: max-age=" . "{$expiretime}");
return TRUE;
}
header("Last-Modified: " . gmt_date_format($modifytime));
header("Expires: " . gmt_date_format(time() + $expiretime));
header("Cache-Control: max-age=" . "{$expiretime}");
return FALSE;
}
$brdnum = bbs_getboard($brdname, $brdarr);
if ($brdnum == 0) {
continue;
}
$brdname = urlencode($brdarr["NAME"]);
$gid = find_content($board, "groupid");
$item["title"] = htmlspecialchars("[" . $brdarr["DESC"] . "] " . find_content($board, "title"));
$item["link"] = SiteURL . "bbstcon.php?board=" . $brdname . "&gid=" . $gid;
$item["author"] = find_content($board, "author");
$item["pubDate"] = gmt_date_format(find_content($board, "time"));
$item["guid"] = $item["link"];
$articles = array();
$num = bbs_get_records_from_id($brdname, $gid, $dir_modes["NORMAL"], $articles);
if ($num <= 0) {
continue;
}
$article = $articles[1];
if (!$article) {
continue;
}
$contentfile = bbs_get_board_filename($brdname, $article["FILENAME"]);
$content = bbs2_readfile_text($contentfile, DESC_CHAR_PER_RSS_ITEM, 0);
if (is_string($content)) {
$item["description"] = "<![CDATA[" . $content . "]]>";
} else {
continue;
}
$items[] = $item;
}
$channel["lastBuildDate"] = gmt_date_format($modifytime);
output_rss($channel, $items);
$artcnt = ARTICLE_PER_RSS;
if ($total <= $artcnt) {
$start = 1;
$artcnt = $total;
} else {
$start = $total - $artcnt + 1;
}
$articles = bbs_getarticles($board, $start, $artcnt, $ftype) or die;
$cc = count($articles);
for ($i = $cc - 1; $i >= 0; $i--) {
$origin = $articles[$i];
$item = array();
$item["title"] = htmlspecialchars($origin['TITLE'], ENT_QUOTES) . " ";
$conurl = "bbscon.php?bid=" . $brdnum . "&id=" . $origin['ID'];
//you want the link to always work, so you don't want to add num
//if ($ftype == $dir_modes["DIGEST"]) $conurl .= "&ftype=".$ftype."&num=".($start+$i);
$item["link"] = SiteURL . $conurl;
$item["author"] = $origin['OWNER'];
$item["pubDate"] = gmt_date_format($origin['POSTTIME']);
$item["guid"] = $item["link"];
//TODO
//$item["comments"] = ?? //TODO
$filename = bbs_get_board_filename($board, $origin["FILENAME"]);
$contents = bbs2_readfile_text($filename, DESC_CHAR_PER_RSS_ITEM, 0);
if (is_string($contents)) {
$item["description"] = "<![CDATA[" . $contents . "]]>";
}
$items[] = $item;
}
}
output_rss($channel, $items);
html_error_quit("Blog²»´æÔÚ!");
exit;
}
if (pc_cache($rows[modifytime])) {
return;
}
$pc = array("NAME" => htmlspecialchars(stripslashes($rows[corpusname])), "USER" => $rows[username], "DESC" => htmlspecialchars(stripslashes($rows[description])), "THEM" => htmlspecialchars(stripslashes($rows[theme])), "UID" => $rows[uid]);
$rss = array();
$rss[channel] = array("userid" => $pc["UID"], "siteaddr" => "http://" . $pcconfig["SITE"], "title" => $pc["NAME"], "pcaddr" => pc_personal_domainname($pc["USER"]), "desc" => $pc["DESC"], "email" => $pc["USER"] . ".bbs@" . $pcconfig["SITE"]);
$nItems = $pcconfig["ETEMS"];
if (strcmp($currentuser["userid"], $userid) == 0) {
$nItems = 100000;
}
$query = "SELECT * FROM nodes WHERE `uid` = '" . $pc["UID"] . "' AND `access` = 0 ORDER BY `nid` DESC LIMIT 0 , " . $nItems . " ;";
$result = mysql_query($query, $link);
$i = 0;
while ($rows = mysql_fetch_array($result)) {
$rss[etems][$i] = array("addr" => "http://" . $pcconfig["SITE"] . "/pc/pccon.php?id=" . $pc["UID"] . "&nid=" . $rows[nid] . "&tid=" . $rows[tid], "etemcomaddr" => "http://" . $pcconfig["SITE"] . "/pc/pccom.php?act=pst&nid=" . $rows[nid], "etemtitle" => htmlspecialchars(stripslashes($rows[subject])), "etemdesc" => html_format($rows[body], TRUE, $rows[htmltag]), "etemauth" => $pc["USER"], "etemtime" => rss_time_format($rows[created]), "gmttime" => gmt_date_format(strtotime(time_format($rows[created]) . " +0800")), "etemnid" => $rows[nid]);
$i++;
}
mysql_free_result($result);
pc_db_close($link);
if (isset($_GET["v"]) && $_GET["v"] == "2") {
header("Content-Type: text/xml; charset=gb2312");
header("Content-Disposition: inline;filename=rss2.xml");
@pc_rss2_output($rss);
} else {
header("Content-Type: text/xml");
header("Content-Disposition: inline;filename=rss.xml");
@pc_rss_output($rss);
}
