/*----------------------------------------------------------------------
|   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);
}
示例#3
0
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;
}
    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;
    }