/*----------------------------------------------------------------------
| PLT_DeviceData::SetDescription
+---------------------------------------------------------------------*/
NPT_Result
PLT_DeviceData::SetDescription(PLT_DeviceDataReference& root_device,
NPT_TimeInterval leasetime,
NPT_HttpUrl description_url,
const char* description,
const NPT_HttpRequestContext& context)
{
NPT_XmlParser parser;
NPT_XmlNode* tree = NULL;
NPT_Result res;
NPT_XmlElementNode* root = NULL;
NPT_String URLBase;
// create new device if none passed
if (root_device.IsNull()) {
root_device = new PLT_DeviceData(description_url, "", leasetime);
}
res = parser.Parse(description, tree);
NPT_CHECK_LABEL_SEVERE(res, cleanup);
root = tree->AsElementNode();
if (!root ||
root->GetTag() != "root" ||
!root->GetNamespace() ||
*root->GetNamespace() != "urn:schemas-upnp-org:device-1-0") {
NPT_LOG_INFO_1("root namespace is invalid: %s",
(root&&root->GetNamespace())?root->GetNamespace()->GetChars():"null");
NPT_CHECK_LABEL_SEVERE(NPT_FAILURE, cleanup);
}
// look for optional URLBase element
if (NPT_SUCCEEDED(PLT_XmlHelper::GetChildText(root, "URLBase", URLBase))) {
NPT_HttpUrl url(URLBase);
// Some devices like Connect360 try to be funny - not so
if (url.GetHost().ToLowercase() == "localhost" ||
url.GetHost().ToLowercase() == "127.0.0.1") {
url.SetHost(context.GetRemoteAddress().GetIpAddress().ToString());
}
root_device->SetURLBase(url);
} else {
// No URLBase, derive from description url
root_device->SetURLBase(description_url);
}
// at least one root device child element is required
NPT_XmlElementNode* device;
if (!(device = PLT_XmlHelper::GetChild(root, "device"))) {
NPT_CHECK_LABEL_SEVERE(NPT_FAILURE, cleanup);
}
res = SetDescriptionDevice(root_device, device, context);
cleanup:
// delete the tree
delete tree;
return res;
}
/*----------------------------------------------------------------------
| CUPnPRenderer::ProcessHttpRequest
+---------------------------------------------------------------------*/
NPT_Result
CUPnPRenderer::ProcessHttpGetRequest(NPT_HttpRequest& request,
const NPT_HttpRequestContext& context,
NPT_HttpResponse& response)
{
// get the address of who sent us some data back
NPT_String ip_address = context.GetRemoteAddress().GetIpAddress().ToString();
NPT_String method = request.GetMethod();
NPT_String protocol = request.GetProtocol();
NPT_HttpUrl url = request.GetUrl();
if (url.GetPath() == "/thumb") {
NPT_HttpUrlQuery query(url.GetQuery());
NPT_String filepath = query.GetField("path");
if (!filepath.IsEmpty()) {
NPT_HttpEntity* entity = response.GetEntity();
if (entity == NULL) return NPT_ERROR_INVALID_STATE;
// check the method
if (request.GetMethod() != NPT_HTTP_METHOD_GET &&
request.GetMethod() != NPT_HTTP_METHOD_HEAD) {
response.SetStatus(405, "Method Not Allowed");
return NPT_SUCCESS;
}
// prevent hackers from accessing files outside of our root
if ((filepath.Find("/..") >= 0) || (filepath.Find("\\..") >=0)) {
return NPT_FAILURE;
}
#if 1
std::string path;
//url
#else
// open the file
CStdString path = CURL::Decode((const char*) filepath);
#endif
NPT_File file(path.c_str());
NPT_Result result = file.Open(NPT_FILE_OPEN_MODE_READ);
if (NPT_FAILED(result)) {
response.SetStatus(404, "Not Found");
return NPT_SUCCESS;
}
NPT_InputStreamReference stream;
file.GetInputStream(stream);
entity->SetContentType(GetMimeType(filepath));
entity->SetInputStream(stream, true);
return NPT_SUCCESS;
}
}
return PLT_MediaRenderer::ProcessHttpGetRequest(request, context, response);
}
/*----------------------------------------------------------------------
| PLT_FileMediaServer::OnBrowseMetadata
+---------------------------------------------------------------------*/
NPT_Result
PLT_FileMediaServer::OnBrowseMetadata(PLT_ActionReference& action,
const char* object_id,
const NPT_HttpRequestContext& context)
{
NPT_String didl;
PLT_MediaObjectReference item;
/* locate the file from the object ID */
NPT_String filepath;
if (NPT_FAILED(GetFilePath(object_id, filepath))) {
/* error */
NPT_LOG_WARNING("PLT_FileMediaServer::OnBrowse - ObjectID not found.");
action->SetError(701, "No Such Object.");
return NPT_FAILURE;
}
item = BuildFromFilePath(
filepath,
true,
&context.GetLocalAddress());
if (item.IsNull()) return NPT_FAILURE;
NPT_String filter;
NPT_CHECK_SEVERE(action->GetArgumentValue("Filter", filter));
NPT_String tmp;
NPT_CHECK_SEVERE(PLT_Didl::ToDidl(*item.AsPointer(), filter, tmp));
/* add didl header and footer */
didl = didl_header + tmp + didl_footer;
NPT_CHECK_SEVERE(action->SetArgumentValue("Result", didl));
NPT_CHECK_SEVERE(action->SetArgumentValue("NumberReturned", "1"));
NPT_CHECK_SEVERE(action->SetArgumentValue("TotalMatches", "1"));
// update ID may be wrong here, it should be the one of the container?
// TODO: We need to keep track of the overall updateID of the CDS
NPT_CHECK_SEVERE(action->SetArgumentValue("UpdateId", "1"));
return NPT_SUCCESS;
}
NPT_Result CHttpServer::SetupResponse(NPT_HttpRequest& request,
const NPT_HttpRequestContext& context,
NPT_HttpResponse& response)
{
NPT_String prefix = NPT_String::Format("PLT_HttpServer::SetupResponse %s request from %s for \"%s\"",
(const char*) request.GetMethod(),
(const char*) context.GetRemoteAddress().ToString(),
(const char*) request.GetUrl().ToString());
NPT_List<NPT_HttpRequestHandler*> handlers = FindRequestHandlers(request);
if (handlers.GetItemCount() == 0) return NPT_ERROR_NO_SUCH_ITEM;
// ask the handler to setup the response
NPT_Result result = (*handlers.GetFirstItem())->SetupResponse(request, context, response);
// DLNA compliance
UPNPMessageHelper::SetDate(response);
if (request.GetHeaders().GetHeader("Accept-Language")) {
response.GetHeaders().SetHeader("Content-Language", "en");
}
return result;
}
/*----------------------------------------------------------------------
| PLT_HttpServerSocketTask::DoRun
+---------------------------------------------------------------------*/
void
PLT_SsdpSearchTask::DoRun()
{
NPT_HttpResponse* response = NULL;
PLT_HttpClient client;
NPT_Timeout timeout = 30;
NPT_HttpRequestContext context;
do {
// get the address of the server
NPT_IpAddress server_address;
NPT_CHECK_LABEL_SEVERE(server_address.ResolveName(
m_Request->GetUrl().GetHost(),
timeout),
done);
NPT_SocketAddress address(server_address,
m_Request->GetUrl().GetPort());
// send 2 requests in a row
NPT_OutputStreamReference output_stream(
new PLT_OutputDatagramStream(m_Socket,
4096,
&address));
NPT_CHECK_LABEL_SEVERE(client.SendRequest(
output_stream,
*m_Request),
done);
NPT_CHECK_LABEL_SEVERE(client.SendRequest(
output_stream,
*m_Request),
done);
output_stream = NULL;
// keep track of when we sent the request
NPT_TimeStamp last_send;
NPT_System::GetCurrentTimeStamp(last_send);
while (!IsAborting(0)) {
// read response
PLT_InputDatagramStreamReference input_stream(
new PLT_InputDatagramStream(m_Socket));
NPT_InputStreamReference stream = input_stream;
NPT_Result res = client.WaitForResponse(stream,
*m_Request,
context,
response);
// callback to process response
if (NPT_SUCCEEDED(res)) {
// get source info
NPT_SocketInfo info;
input_stream->GetInfo(info);
context.SetLocalAddress(info.local_address);
context.SetRemoteAddress(info.remote_address);
// process response
ProcessResponse(NPT_SUCCESS, m_Request, context, response);
delete response;
response = NULL;
} else if (res != NPT_ERROR_TIMEOUT) {
NPT_LOG_WARNING_1("PLT_SsdpSearchTask got an error (%d) waiting for response", res);
}
input_stream = NULL;
// check if it's time to resend request
NPT_TimeStamp now;
NPT_System::GetCurrentTimeStamp(now);
if (now >= last_send + (long)m_Timeout/1000)
break;
}
} while (!IsAborting(0) && m_Repeat);
done:
return;
}
/*----------------------------------------------------------------------
| PLT_DeviceData::SetDescriptionDevice
+---------------------------------------------------------------------*/
NPT_Result
PLT_DeviceData::SetDescriptionDevice(PLT_DeviceDataReference& device,
NPT_XmlElementNode* device_node,
const NPT_HttpRequestContext& context)
{
NPT_Result res;
device->m_LocalIfaceIp = context.GetLocalAddress().GetIpAddress();
NPT_CHECK_SEVERE(PLT_XmlHelper::GetChildText(device_node, "deviceType", device->m_DeviceType));
NPT_CHECK_SEVERE(PLT_XmlHelper::GetChildText(device_node, "UDN", device->m_UUID));
// remove uuid: prefix
if (device->m_UUID.StartsWith("uuid:")) {
device->m_UUID = ((const char*)device->m_UUID)+5;
}
// optional attributes
PLT_XmlHelper::GetChildText(device_node, "friendlyName", device->m_FriendlyName);
PLT_XmlHelper::GetChildText(device_node, "manufacturer", device->m_Manufacturer);
PLT_XmlHelper::GetChildText(device_node, "manufacturerURL", device->m_ManufacturerURL);
PLT_XmlHelper::GetChildText(device_node, "modelDescription", device->m_ModelDescription);
PLT_XmlHelper::GetChildText(device_node, "modelName", device->m_ModelName);
PLT_XmlHelper::GetChildText(device_node, "modelURL", device->m_ModelURL);
PLT_XmlHelper::GetChildText(device_node, "modelNumber", device->m_ModelNumber);
PLT_XmlHelper::GetChildText(device_node, "serialNumber", device->m_SerialNumber);
// enumerate icons
NPT_XmlElementNode* iconList = PLT_XmlHelper::GetChild(device_node, "iconList");
if (iconList) {
NPT_Array<NPT_XmlElementNode*> icons;
PLT_XmlHelper::GetChildren(iconList, icons, "icon");
for (NPT_Cardinal k=0 ; k<icons.GetItemCount(); k++) {
PLT_DeviceIcon icon;
NPT_String integer, height, depth;
PLT_XmlHelper::GetChildText(icons[k], "mimetype", icon.m_MimeType);
PLT_XmlHelper::GetChildText(icons[k], "url", icon.m_UrlPath);
if(NPT_SUCCEEDED(PLT_XmlHelper::GetChildText(icons[k], "width", integer)))
NPT_ParseInteger32(integer, icon.m_Width);
if(NPT_SUCCEEDED(PLT_XmlHelper::GetChildText(icons[k], "height", integer)))
NPT_ParseInteger32(integer, icon.m_Height);
if(NPT_SUCCEEDED(PLT_XmlHelper::GetChildText(icons[k], "depth", integer)))
NPT_ParseInteger32(integer, icon.m_Depth);
device->m_Icons.Add(icon);
}
}
// enumerate device services
NPT_XmlElementNode* serviceList = PLT_XmlHelper::GetChild(device_node, "serviceList");
if (serviceList) {
NPT_Array<NPT_XmlElementNode*> services;
PLT_XmlHelper::GetChildren(serviceList, services, "service");
for( int k = 0 ; k < (int)services.GetItemCount(); k++) {
NPT_String type, id, url;
PLT_XmlHelper::GetChildText(services[k], "serviceType", type);
PLT_XmlHelper::GetChildText(services[k], "serviceId", id);
PLT_Service* service = new PLT_Service(device.AsPointer(), type, id, NULL);
PLT_XmlHelper::GetChildText(services[k], "SCPDURL", url);
service->SetSCPDURL(url);
PLT_XmlHelper::GetChildText(services[k], "controlURL", url);
service->SetControlURL(url);
PLT_XmlHelper::GetChildText(services[k], "eventSubURL", url);
service->SetEventSubURL(url);
if (NPT_FAILED(res = device->AddService(service))) {
delete service;
return res;
}
}
}
// enumerate embedded devices
NPT_XmlElementNode* deviceList = PLT_XmlHelper::GetChild(device_node, "deviceList");
if (deviceList) {
NPT_Array<NPT_XmlElementNode*> devices;
PLT_XmlHelper::GetChildren(deviceList, devices, "device");
for (int k = 0; k<(int)devices.GetItemCount(); k++) {
// create an embedded device with same url base and leasetime as parent
PLT_DeviceDataReference embedded_device(new PLT_DeviceData(device->m_URLDescription, "", device->m_LeaseTime));
NPT_CHECK_SEVERE(PLT_DeviceData::SetDescriptionDevice(embedded_device, devices[k], context));
device->AddEmbeddedDevice(embedded_device);
}
}
// TODO: Parse extra DLNA stuff
return NPT_SUCCESS;
}
/*----------------------------------------------------------------------
| PLT_FileMediaServer::OnBrowseDirectChildren
+---------------------------------------------------------------------*/
NPT_Result
PLT_FileMediaServer::OnBrowseDirectChildren(PLT_ActionReference& action,
const char* object_id,
const NPT_HttpRequestContext& context)
{
/* locate the file from the object ID */
NPT_String dir;
if (NPT_FAILED(GetFilePath(object_id, dir))) {
/* error */
NPT_LOG_WARNING("PLT_FileMediaServer::OnBrowse - ObjectID not found.");
action->SetError(701, "No Such Object.");
return NPT_FAILURE;
}
/* retrieve the item type */
NPT_FileInfo info;
NPT_Result res = NPT_File::GetInfo(dir, &info);
if (NPT_FAILED(res)) {
/* Object does not exist */
NPT_LOG_WARNING_1("PLT_FileMediaServer::OnBrowse - BROWSEDIRECTCHILDREN failed for item %s", dir.GetChars());
action->SetError(800, "Can't retrieve info " + dir);
return NPT_FAILURE;
}
if (info.m_Type != NPT_FileInfo::FILE_TYPE_DIRECTORY) {
/* error */
NPT_LOG_WARNING("PLT_FileMediaServer::OnBrowse - BROWSEDIRECTCHILDREN not allowed on an item.");
action->SetError(710, "item is not a container.");
return NPT_FAILURE;
}
NPT_String filter;
NPT_String startingInd;
NPT_String reqCount;
NPT_CHECK_SEVERE(action->GetArgumentValue("Filter", filter));
NPT_CHECK_SEVERE(action->GetArgumentValue("StartingIndex", startingInd));
NPT_CHECK_SEVERE(action->GetArgumentValue("RequestedCount", reqCount));
NPT_UInt32 start_index, req_count;
if (NPT_FAILED(startingInd.ToInteger(start_index)) ||
NPT_FAILED(reqCount.ToInteger(req_count))) {
action->SetError(412, "Precondition failed");
return NPT_FAILURE;
}
NPT_List<NPT_String> entries;
res = NPT_File::ListDirectory(dir, entries, 0, 0);
if (NPT_FAILED(res)) {
NPT_LOG_WARNING_1("PLT_FileMediaServer::OnBrowseDirectChildren - failed to open dir %s", (const char*) dir);
return res;
}
unsigned long cur_index = 0;
unsigned long num_returned = 0;
unsigned long total_matches = 0;
NPT_String didl = didl_header;
PLT_MediaObjectReference item;
for (NPT_List<NPT_String>::Iterator it = entries.GetFirstItem();
it;
++it) {
NPT_String& filename = *it;
item = BuildFromFilePath(
NPT_FilePath::Create(dir, filename),
true,
&context.GetLocalAddress());
if (!item.IsNull()) {
if ((cur_index >= start_index) && ((num_returned < req_count) || (req_count == 0))) {
NPT_String tmp;
NPT_CHECK_SEVERE(PLT_Didl::ToDidl(*item.AsPointer(), filter, tmp));
didl += tmp;
num_returned++;
}
cur_index++;
total_matches++;
}
};
didl += didl_footer;
NPT_CHECK_SEVERE(action->SetArgumentValue("Result", didl));
NPT_CHECK_SEVERE(action->SetArgumentValue("NumberReturned", NPT_String::FromInteger(num_returned)));
NPT_CHECK_SEVERE(action->SetArgumentValue("TotalMatches", NPT_String::FromInteger(total_matches))); // 0 means we don't know how many we have but most browsers don't like that!!
NPT_CHECK_SEVERE(action->SetArgumentValue("UpdateId", "1"));
return NPT_SUCCESS;
}
NPT_Result SetupResponse(NPT_HttpRequest& request,
const NPT_HttpRequestContext& context,
NPT_HttpResponse& response) {
NPT_String msg = "<HTML>";
msg += "PATH=";
msg += request.GetUrl().GetPath();
msg += "<P><B>Local Address:</B> ";
msg += context.GetLocalAddress().ToString();
msg += "<P>";
msg += "<B>Remote Address:</B> ";
msg += context.GetRemoteAddress().ToString();
msg += "<P><UL>";
if (request.GetUrl().HasQuery()) {
NPT_UrlQuery query(request.GetUrl().GetQuery());
for (NPT_List<NPT_UrlQuery::Field>::Iterator it = query.GetFields().GetFirstItem();
it;
++it) {
NPT_UrlQuery::Field& field = *it;
msg += "<LI>";
msg += field.m_Name;
msg += " = ";
msg += field.m_Value;
msg += " </LI>";
// check for a 'delay' field
if (field.m_Name == "delay") {
NPT_UInt32 delay = 0;
field.m_Value.ToInteger(delay);
NPT_Debug("DELAY: %d seconds\n", delay);
NPT_System::Sleep(NPT_TimeInterval((float)delay));
}
}
}
msg += "</UL></HTML>";
if (request.GetMethod() == NPT_HTTP_METHOD_POST) {
NPT_DataBuffer request_body;
request.GetEntity()->Load(request_body);
NPT_Debug("REQUEST: body = %d bytes\n", request_body.GetDataSize());
NPT_Debug("REQUEST: content type = %s\n", request.GetEntity()->GetContentType().GetChars());
if (request.GetEntity()->GetContentType().StartsWith("text") ||
request.GetEntity()->GetContentType() == "application/x-www-form-urlencoded") {
NPT_String body_string;
body_string.Assign((char*)request_body.GetData(), request_body.GetDataSize());
NPT_Debug("%s", body_string.GetChars());
}
}
NPT_HttpEntity* entity = response.GetEntity();
entity->SetContentType("text/html");
NPT_MemoryStreamReference memory_stream(
new NPT_MemoryStream((const void*)msg.GetChars(), msg.GetLength()));
entity->SetInputStream(memory_stream, !m_Chunked);
if (m_Chunked) {
entity->SetTransferEncoding(NPT_HTTP_TRANSFER_ENCODING_CHUNKED);
}
return NPT_SUCCESS;
}
/*----------------------------------------------------------------------
| CMediaCrawler::OnBrowseDevice
+---------------------------------------------------------------------*/
NPT_Result
CMediaCrawler::OnBrowseDevice(PLT_ActionReference& action,
const char* server_uuid,
const char* server_object_id,
const NPT_HttpRequestContext& context)
{
NPT_Result res;
PLT_DeviceDataReference device;
{
// look for device first
const NPT_Lock<PLT_DeviceDataReferenceList>& devices = GetMediaServers();
NPT_AutoLock lock((NPT_Mutex&)devices);
if (NPT_FAILED(NPT_ContainerFind(devices, PLT_DeviceDataFinder(server_uuid), device))) {
/* error */
NPT_LOG_WARNING("CMediaCrawler::OnBrowseDevice - device not found.");
action->SetError(701, "No Such Object.");
return NPT_FAILURE;
}
}
// look for args and convert them
NPT_String browseFlagValue;
NPT_String startingInd;
NPT_String reqCount;
NPT_String filter;
NPT_String sort;
NPT_CHECK_SEVERE(action->GetArgumentValue("BrowseFlag", browseFlagValue));
NPT_CHECK_SEVERE(action->GetArgumentValue("StartingIndex", startingInd));
NPT_CHECK_SEVERE(action->GetArgumentValue("RequestedCount", reqCount));
NPT_CHECK_SEVERE(action->GetArgumentValue("Filter", filter));
NPT_CHECK_SEVERE(action->GetArgumentValue("SortCriteria", sort));
unsigned long start_index, req_count;
if (NPT_FAILED(startingInd.ToInteger(start_index)) ||
NPT_FAILED(reqCount.ToInteger(req_count))) {
return NPT_FAILURE;
}
// create a container for our result
// this will be filled in by OnBrowseResponse
CMediaCrawlerBrowseInfoReference browse_info(new CMediaCrawlerBrowseInfo());
browse_info->shared_var.SetValue(0);
// send off the browse packet. Note that this will
// not block. The shared variable is used to block
// until the response has been received.
res = Browse(device,
server_object_id,
start_index,
req_count,
(browseFlagValue == "BrowseMetadata")?1:0,
filter,
sort,
new CMediaCrawlerBrowseInfoReference(browse_info));
NPT_CHECK_SEVERE(res);
// wait 30 secs for response
res = browse_info->shared_var.WaitUntilEquals(1, 30000);
NPT_CHECK_SEVERE(res);
// did the browse fail?
if (NPT_FAILED(browse_info->res)) {
action->SetError(browse_info->code, "");
return NPT_FAILURE;
}
action->SetArgumentValue("Result", UpdateDidl(server_uuid, browse_info->didl, &context.GetLocalAddress()));
action->SetArgumentValue("NumberReturned", browse_info->nr);
action->SetArgumentValue("TotalMatches", browse_info->tm);
action->SetArgumentValue("UpdateId", browse_info->uid);
action->SetArgumentValue("ObjectID", FormatObjectId(server_uuid, browse_info->object_id));
return NPT_SUCCESS;
}
