static void eachConfigVarHTML(ConfigVarBase::ptr var, Stream::ptr stream)
{
std::string name = var->name();
stream->write("<tr><td align=\"right\">", 22);
stream->write(name.c_str(), name.size());
stream->write("=</td><td>", 10);
std::string value = var->toString();
stream->write(value.c_str(), value.size());
stream->write("</td></tr>\n", 11);
}
static void eachConfigVarHTMLWrite(ConfigVarBase::ptr var, Stream::ptr stream)
{
std::string name = var->name();
stream->write("<tr><td align=\"right\">", 22);
stream->write(name.c_str(), name.size());
stream->write("=</td><td><form name=\"", 22);
stream->write(name.c_str(), name.size());
stream->write("\" method=\"post\"><input type=\"text\" name=\"", 41);
stream->write(name.c_str(), name.size());
stream->write("\" value=\"", 9);
std::string value = var->toString();
stream->write(value.c_str(), value.size());
stream->write("\" /><input type=\"submit\" value=\"Change\" /></form></td></tr>\n", 60);
}
void Config::request(ServerRequest::ptr request, Access access)
{
const std::string &method = request->request().requestLine.method;
if (method == POST) {
if (access != READWRITE) {
respondError(request, FORBIDDEN);
return;
}
if (request->request().entity.contentType.type != "application" ||
request->request().entity.contentType.subtype != "x-www-form-urlencoded") {
respondError(request, UNSUPPORTED_MEDIA_TYPE);
return;
}
Stream::ptr requestStream = request->requestStream();
requestStream.reset(new LimitedStream(requestStream, 65536));
MemoryStream requestBody;
transferStream(requestStream, requestBody);
std::string queryString;
queryString.resize(requestBody.buffer().readAvailable());
requestBody.buffer().copyOut(&queryString[0], requestBody.buffer().readAvailable());
bool failed = false;
URI::QueryString qs(queryString);
for (URI::QueryString::const_iterator it = qs.begin();
it != qs.end();
++it) {
ConfigVarBase::ptr var = Mordor::Config::lookup(it->first);
if (var && !var->fromString(it->second))
failed = true;
}
if (failed) {
respondError(request, HTTP::FORBIDDEN,
"One or more new values were not accepted");
return;
}
// Fall through
}
if (method == GET || method == HEAD || method == POST) {
Format format = HTML;
URI::QueryString qs;
if (request->request().requestLine.uri.queryDefined())
qs = request->request().requestLine.uri.queryString();
URI::QueryString::const_iterator it = qs.find("alt");
if (it != qs.end() && it->second == "json")
format = JSON;
// TODO: use Accept to indicate JSON
switch (format) {
case HTML:
{
request->response().status.status = OK;
request->response().entity.contentType = MediaType("text", "html");
if (method == HEAD) {
if (request->request().requestLine.ver == Version(1, 1) &&
isAcceptable(request->request().request.te, "chunked", true)) {
request->response().general.transferEncoding.push_back("chunked");
}
return;
}
Stream::ptr response = request->responseStream();
response.reset(new BufferedStream(response));
response->write("<html><body><table>\n", 20);
Mordor::Config::visit(boost::bind(access == READWRITE ?
&eachConfigVarHTMLWrite : &eachConfigVarHTML, _1,
response));
response->write("</table></body></html>", 22);
response->close();
break;
}
case JSON:
{
JSON::Object root;
Mordor::Config::visit(boost::bind(&eachConfigVarJSON, _1, boost::ref(root)));
std::ostringstream os;
os << root;
std::string str = os.str();
request->response().status.status = OK;
request->response().entity.contentType = MediaType("application", "json");
request->response().entity.contentLength = str.size();
if (method != HEAD) {
request->responseStream()->write(str.c_str(), str.size());
request->responseStream()->close();
}
break;
}
default:
MORDOR_NOTREACHED();
}
} else {
respondError(request, METHOD_NOT_ALLOWED);
}
}
static void eachConfigVarJSON(ConfigVarBase::ptr var, JSON::Object &object)
{
object.insert(std::make_pair(var->name(), var->toString()));
}
static void listProperties(std::ostringstream *os, ConfigVarBase::ptr var)
{
*os << " <property name=\"" << var->name() << "\" value=\""
<< var->toString() << "\" />" << std::endl;
}
