}
}
$cnx = false;
} else {
if ($rq_err >= 301) {
$lf = $null_response;
}
}
}
if ($http_action == "HEAD") {
$plen = $lf->content_length;
$hlf = $lf;
$lf = $null_response;
$lf->content_length = $plen;
}
core_modules_hook("before_response");
if (!$rq_err) {
$rq_err = 500;
}
$chunked = nw_use_chunked_encoding();
if ($chunked === "CLOSE") {
$cnx = $keepalive = $chunked = false;
}
// Send the response headers and content
$sent_len = 0;
$first_chunk = true;
while (($buf = $lf->parser_get_output()) !== "" || $first_chunk) {
if ($first_chunk) {
$hbuf = build_response_headers() . "\r\n";
}
if ($chunked) {
function main()
{
global $pfilters, $lf, $out_contenttype, $chunky, $keepalive, $http_version;
$used_filters = array();
$chunky = !isset($lf->content_length) || $lf->content_length == NW_PLF_MAGIC;
$hbn = basename($GLOBALS["http_uri"]);
$hbnext = array_flip(explode(".", $hbn));
// assign filters
if (access_query("filterenable", 0)) {
foreach (access_query("filter") as $filter_rule) {
// split rule into: [ mime/ext _ filter _ fargs ]
list($mimematch, $filter_rule) = explode(" ", ltrim($filter_rule), 2);
@(list($fname, $fargs) = explode(" ", ltrim($filter_rule), 2));
$fargs = trim($fargs);
// check for missing mime match
if (empty($fname) || empty($pfilters[strtolower($fname)])) {
if (strpos($mimematch, "/") === false && strpos($mimematch, "|") === false && strpos($mimematch, "*") === false && strpos($mimematch, ".") === false) {
$fargs = $fname . " " . $fargs;
$fname = $mimematch;
$mimematch = "*/*";
}
}
// is filter available
$fname = strtolower($fname);
if (empty($pfilters[$fname])) {
techo("filter '{$fname}' not available", NW_EL_ERROR);
continue;
}
// match mime / extension
@(list($mime, $uu) = explode(";", $out_contenttype, 2));
$mime = trim($mime);
$no_match = true;
foreach (explode("|", $mimematch) as $match) {
$ext = ltrim($match, ".");
if ($match == $mime || $match == "*/*" || $match == "*" || strpos($match, '*') !== false && strpos($mime, rtrim($match, "*")) !== false || $hbn == $match || isset($hbnext[$ext])) {
$no_match = false;
break;
}
}
if ($no_match) {
continue;
}
// most filters _may_ be used once only
if (@$used_filters[$fname]++ && !($pfilters[$fname][1] & NW_PFILTER_MORE)) {
continue;
}
// convert to parser object (this should have been done already in the core)
if (!is_object($lf)) {
$lf = new static_response($lf);
}
// real-static or parsed/chunked
$fflags = $pfilters[$fname][1];
if (NW_PFILTER_IMMEDIATE & $fflags || NW_PFILTER_STATIC & $fflags && is_a($lf, "static_response")) {
// filter content on the fly / immediate
$GLOBALS["first_chunk"] = true;
$pfilters[$fname][0]->filter_func($lf->str, $fargs);
$lf->content_length = strlen($lf->str);
techo("filter '{$fname}' run on static \$lf content", NW_EL_DEBUG);
} elseif (($fflags & NW_PFILTER_ALL) >= NW_PFILTER_PARSED) {
if ($chunky && !($fflags & NW_PFILTER_CHUNKY)) {
continue;
}
// create wrapper around current $lf
$newf = $pfilters[$fname][0];
$newf->pp = $lf;
$newf->args = $fargs;
$newf->fflags = $fflags;
$newf->content_length = $lf->content_length;
$lf = $newf;
unset($newf);
techo("filter object '{$fname}' wrapped around current \$lf object", NW_EL_DEBUG);
}
}
}
#foreach(filter_rule)
core_modules_hook("after_pfilters");
}
