static inline bstring Dir_calculate_response(Request *req, FileRecord *file)
{
int if_unmodified_since = 0;
int if_modified_since = 0;
bstring if_match = NULL;
bstring if_none_match = NULL;
if(file) {
if(file->is_dir)
return bformat(DIR_REDIRECT_FORMAT, bdata(req->host),
bdata(req->uri));
if_match = Request_get(req, &HTTP_IF_MATCH);
if(!if_match || biseqcstr(if_match, "*") || bstring_match(if_match, &ETAG_PATTERN)) {
if_none_match = Request_get(req, &HTTP_IF_NONE_MATCH);
if_unmodified_since = Request_get_date(req, &HTTP_IF_UNMODIFIED_SINCE, RFC_822_TIME);
if_modified_since = Request_get_date(req, &HTTP_IF_MODIFIED_SINCE, RFC_822_TIME);
debug("TESTING WITH: if_match: %s, if_none_match: %s, if_unmodified_since: %d, if_modified_since: %d",
bdata(if_match), bdata(if_none_match), if_unmodified_since, if_modified_since);
if(if_unmodified_since) {
if(file->sb.st_mtime > if_unmodified_since) {
req->status_code = 412;
return &HTTP_412;
} else if(if_none_match) {
return Dir_none_match(req, file, if_modified_since, if_none_match);
} else if(if_modified_since) {
return Dir_if_modified_since(req, file, if_modified_since);
}
} else if(if_none_match) {
return Dir_none_match(req, file, if_modified_since, if_none_match);
} else if(if_modified_since) {
return Dir_if_modified_since(req, file, if_modified_since);
} else {
// they've got nothing, 200
req->status_code = 200;
return NULL;
}
} else {
req->status_code = 412;
return &HTTP_412;
}
} else {
req->status_code = 404;
return &HTTP_404;
}
req->status_code = 500;
return &HTTP_500;
}
inline bstring Dir_none_match(Request *req, FileRecord *file, int if_modified_since, bstring if_none_match)
{
if(biseqcstr(if_none_match, "*") || biseq(if_none_match, file->etag)) {
return &HTTP_304;
} else {
if(if_modified_since) {
return Dir_if_modified_since(req, file, if_modified_since);
} else {
return NULL;
}
}
return &HTTP_500;
}
