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libreoffice-online/loolwsd/ChildSession.cpp
Ashod Nakashian a21bcc2341 loolwsd: LibreOfficeKitDocument* -> shared_ptr<lok::Document> 
Change-Id: Iafc48317c225f93b7d58708dd26f04d6bb13988e
Reviewed-on: https://gerrit.libreoffice.org/25092
Reviewed-by: Ashod Nakashian <ashnakash@gmail.com>
Tested-by: Ashod Nakashian <ashnakash@gmail.com>
2016-05-18 11:29:05 +00:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include "config.h"
#include <iostream>
#include <thread>
#include <Poco/Exception.h>
#include <Poco/JSON/Object.h>
#include <Poco/JSON/Parser.h>
#include <Poco/Net/WebSocket.h>
#include <Poco/Notification.h>
#include <Poco/NotificationQueue.h>
#include <Poco/Path.h>
#include <Poco/String.h>
#include <Poco/StringTokenizer.h>
#include <Poco/URI.h>
#include "ChildSession.hpp"
#include "Common.hpp"
#include "LOKitHelper.hpp"
#include "LOOLProtocol.hpp"
#include "Rectangle.hpp"
#include "Util.hpp"
using namespace LOOLProtocol;
using Poco::AutoPtr;
using Poco::Exception;
using Poco::JSON::Object;
using Poco::JSON::Parser;
using Poco::Net::WebSocket;
using Poco::Notification;
using Poco::NotificationQueue;
using Poco::Runnable;
using Poco::StringTokenizer;
using Poco::Timestamp;
using Poco::URI;
class CallbackNotification: public Notification
{
public:
typedef AutoPtr<CallbackNotification> Ptr;
CallbackNotification(const int nType, const std::string& rPayload)
: _nType(nType),
_aPayload(rPayload)
{
}
const int _nType;
const std::string _aPayload;
};
/// This thread handles callbacks from the lokit instance.
class CallbackWorker: public Runnable
{
public:
CallbackWorker(NotificationQueue& queue, ChildSession& session):
_queue(queue),
_session(session),
_stop(false)
{
}
void callback(const int nType, const std::string& rPayload)
{
auto lock = _session.getLock();
// Cache important notifications to replay them when our client
// goes inactive and loses them.
if (nType == LOK_CALLBACK_INVALIDATE_VISIBLE_CURSOR ||
nType == LOK_CALLBACK_CURSOR_VISIBLE ||
nType == LOK_CALLBACK_CELL_CURSOR ||
nType == LOK_CALLBACK_CELL_FORMULA ||
nType == LOK_CALLBACK_GRAPHIC_SELECTION ||
nType == LOK_CALLBACK_TEXT_SELECTION ||
nType == LOK_CALLBACK_TEXT_SELECTION_START ||
nType == LOK_CALLBACK_TEXT_SELECTION_END ||
nType == LOK_CALLBACK_DOCUMENT_SIZE_CHANGED)
{
_session.setDocState(nType, rPayload);
}
const auto typeName = LOKitHelper::kitCallbackTypeToString(nType);
if (_session.isCloseFrame())
{
Log::trace("Skipping callback [" + typeName + "] on closing session " + _session.getName());
return;
}
else if (_session.isDisconnected())
{
Log::trace("Skipping callback [" + typeName + "] on disconnected session " + _session.getName());
return;
}
else if (!_session.isActive())
{
// Pass save notifications through.
if (nType != LOK_CALLBACK_UNO_COMMAND_RESULT || rPayload.find(".uno:Save") == std::string::npos)
{
Log::trace("Skipping callback [" + typeName + "] on inactive session " + _session.getName());
return;
}
}
Log::trace() << "CallbackWorker::callback [" << _session.getName() << "]: "
<< typeName << " [" << rPayload << "]." << Log::end;
switch (nType)
{
case LOK_CALLBACK_INVALIDATE_TILES:
{
const auto lokitDoc = _session.getLoKitDocument();
assert(lokitDoc);
assert(lokitDoc->pClass);
assert(lokitDoc->pClass->getPart);
// Text docs have a single coordinate system.
const auto curPart = (_session.getDocType() == "text")
? 0
: lokitDoc->pClass->getPart(lokitDoc);
StringTokenizer tokens(rPayload, " ", StringTokenizer::TOK_IGNORE_EMPTY | StringTokenizer::TOK_TRIM);
if (tokens.count() == 4)
{
int x, y, width, height;
try
{
x = std::stoi(tokens[0]);
y = std::stoi(tokens[1]);
width = std::stoi(tokens[2]);
height = std::stoi(tokens[3]);
}
catch (const std::out_of_range&)
{
// something went wrong, invalidate everything
Log::warn("Ignoring integer values out of range: " + rPayload);
x = 0;
y = 0;
width = INT_MAX;
height = INT_MAX;
}
_session.sendTextFrame("invalidatetiles:"
" part=" + std::to_string(curPart) +
" x=" + std::to_string(x) +
" y=" + std::to_string(y) +
" width=" + std::to_string(width) +
" height=" + std::to_string(height));
}
else
{
_session.sendTextFrame("invalidatetiles: " + rPayload);
}
}
break;
case LOK_CALLBACK_INVALIDATE_VISIBLE_CURSOR:
_session.sendTextFrame("invalidatecursor: " + rPayload);
break;
case LOK_CALLBACK_TEXT_SELECTION:
_session.sendTextFrame("textselection: " + rPayload);
break;
case LOK_CALLBACK_TEXT_SELECTION_START:
_session.sendTextFrame("textselectionstart: " + rPayload);
break;
case LOK_CALLBACK_TEXT_SELECTION_END:
_session.sendTextFrame("textselectionend: " + rPayload);
break;
case LOK_CALLBACK_CURSOR_VISIBLE:
_session.sendTextFrame("cursorvisible: " + rPayload);
break;
case LOK_CALLBACK_GRAPHIC_SELECTION:
_session.sendTextFrame("graphicselection: " + rPayload);
break;
case LOK_CALLBACK_CELL_CURSOR:
_session.sendTextFrame("cellcursor: " + rPayload);
break;
case LOK_CALLBACK_CELL_FORMULA:
_session.sendTextFrame("cellformula: " + rPayload);
break;
case LOK_CALLBACK_MOUSE_POINTER:
_session.sendTextFrame("mousepointer: " + rPayload);
break;
case LOK_CALLBACK_HYPERLINK_CLICKED:
_session.sendTextFrame("hyperlinkclicked: " + rPayload);
break;
case LOK_CALLBACK_STATE_CHANGED:
_session.sendTextFrame("statechanged: " + rPayload);
break;
case LOK_CALLBACK_SEARCH_NOT_FOUND:
_session.sendTextFrame("searchnotfound: " + rPayload);
break;
case LOK_CALLBACK_SEARCH_RESULT_SELECTION:
_session.sendTextFrame("searchresultselection: " + rPayload);
break;
case LOK_CALLBACK_DOCUMENT_SIZE_CHANGED:
_session.getStatus("", 0);
_session.getPartPageRectangles("", 0);
break;
case LOK_CALLBACK_SET_PART:
_session.sendTextFrame("setpart: " + rPayload);
break;
case LOK_CALLBACK_UNO_COMMAND_RESULT:
_session.sendTextFrame("unocommandresult: " + rPayload);
break;
case LOK_CALLBACK_ERROR:
{
Parser parser;
Poco::Dynamic::Var var = parser.parse(rPayload);
Object::Ptr object = var.extract<Object::Ptr>();
_session.sendTextFrame("error: cmd=" + object->get("cmd").toString() +
" kind=" + object->get("kind").toString() + " code=" + object->get("code").toString());
}
break;
case LOK_CALLBACK_CONTEXT_MENU:
_session.sendTextFrame("contextmenu: " + rPayload);
break;
case LOK_CALLBACK_STATUS_INDICATOR_START:
_session.sendTextFrame("statusindicatorstart:");
break;
case LOK_CALLBACK_STATUS_INDICATOR_SET_VALUE:
_session.sendTextFrame("statusindicatorsetvalue: " + rPayload);
break;
case LOK_CALLBACK_STATUS_INDICATOR_FINISH:
_session.sendTextFrame("statusindicatorfinish:");
break;
}
}
void run()
{
Util::setThreadName("kit_callback");
Log::debug("Thread started.");
while (!_stop && !TerminationFlag)
{
Notification::Ptr aNotification(_queue.waitDequeueNotification());
if (!_stop && !TerminationFlag && aNotification)
{
CallbackNotification::Ptr aCallbackNotification = aNotification.cast<CallbackNotification>();
assert(aCallbackNotification);
const auto nType = aCallbackNotification->_nType;
try
{
callback(nType, aCallbackNotification->_aPayload);
}
catch (const Exception& exc)
{
Log::error() << "CallbackWorker::run: Exception while handling callback [" << LOKitHelper::kitCallbackTypeToString(nType) << "]: "
<< exc.displayText()
<< (exc.nested() ? " (" + exc.nested()->displayText() + ")" : "")
<< Log::end;
}
catch (const std::exception& exc)
{
Log::error("CallbackWorker::run: Exception while handling callback [" + LOKitHelper::kitCallbackTypeToString(nType) + "]: " + exc.what());
}
}
else
break;
}
Log::debug("Thread finished.");
}
void stop()
{
_stop = true;
_queue.wakeUpAll();
}
private:
NotificationQueue& _queue;
ChildSession& _session;
volatile bool _stop;
};
std::recursive_mutex ChildSession::Mutex;
ChildSession::ChildSession(const std::string& id,
std::shared_ptr<WebSocket> ws,
const std::string& jailId,
OnLoadCallback onLoad,
OnUnloadCallback onUnload) :
LOOLSession(id, Kind::ToMaster, ws),
_loKitDocument(nullptr),
_multiView(std::getenv("LOK_VIEW_CALLBACK")),
_jailId(jailId),
_viewId(0),
_onLoad(onLoad),
_onUnload(onUnload),
_callbackWorker(new CallbackWorker(_callbackQueue, *this))
{
Log::info("ChildSession ctor [" + getName() + "].");
_callbackThread.start(*_callbackWorker);
}
ChildSession::~ChildSession()
{
Log::info("~ChildSession dtor [" + getName() + "].");
disconnect();
// Wait for the callback worker to finish.
_callbackWorker->stop();
_callbackThread.join();
}
void ChildSession::disconnect()
{
if (!isDisconnected())
{
std::unique_lock<std::recursive_mutex> lock(Mutex);
if (_multiView)
_loKitDocument->pClass->setView(_loKitDocument, _viewId);
_onUnload(getId());
LOOLSession::disconnect();
}
}
bool ChildSession::_handleInput(const char *buffer, int length)
{
const std::string firstLine = getFirstLine(buffer, length);
StringTokenizer tokens(firstLine, " ", StringTokenizer::TOK_IGNORE_EMPTY | StringTokenizer::TOK_TRIM);
if (tokens.count() > 0 && tokens[0] == "useractive" && _loKitDocument != nullptr)
{
Log::debug("Handling message after inactivity of " + std::to_string(getInactivityMS()) + "ms.");
// Client is getting active again.
// Send invalidation and other sync-up messages.
std::unique_lock<std::recursive_mutex> lock(Mutex);
if (_multiView)
_loKitDocument->pClass->setView(_loKitDocument, _viewId);
const int curPart = _loKitDocument->pClass->getPart(_loKitDocument);
sendTextFrame("curpart: part=" + std::to_string(curPart));
sendTextFrame("setpart: part=" + std::to_string(curPart));
//TODO: Is the order of these important?
for (const auto& pair : _lastDocStates)
{
switch (pair.first)
{
case LOK_CALLBACK_INVALIDATE_VISIBLE_CURSOR:
sendTextFrame("invalidatecursor: " + pair.second);
break;
case LOK_CALLBACK_TEXT_SELECTION:
sendTextFrame("textselection: " + pair.second);
break;
case LOK_CALLBACK_TEXT_SELECTION_START:
sendTextFrame("textselectionstart: " + pair.second);
break;
case LOK_CALLBACK_TEXT_SELECTION_END:
sendTextFrame("textselectionend: " + pair.second);
break;
case LOK_CALLBACK_CURSOR_VISIBLE:
sendTextFrame("cursorvisible: " + pair.second);
break;
case LOK_CALLBACK_GRAPHIC_SELECTION:
sendTextFrame("graphicselection: " + pair.second);
break;
case LOK_CALLBACK_CELL_CURSOR:
sendTextFrame("cellcursor: " + pair.second);
break;
case LOK_CALLBACK_CELL_FORMULA:
sendTextFrame("cellformula: " + pair.second);
break;
case LOK_CALLBACK_DOCUMENT_SIZE_CHANGED:
getStatus("", 0);
getPartPageRectangles("", 0);
break;
}
}
}
if (LOOLProtocol::tokenIndicatesUserInteraction(tokens[0]))
{
// Keep track of timestamps of incoming client messages that indicate user activity.
updateLastActivityTime();
}
if (tokens[0] == "dummymsg")
{
// Just to update the activity of view-only mode
return true;
}
else if (tokens[0] == "canceltiles")
{
// this command makes sense only on the command queue level, nothing
// to do here
return true;
}
else if (tokens[0] == "commandvalues")
{
return getCommandValues(buffer, length, tokens);
}
else if (tokens[0] == "partpagerectangles")
{
return getPartPageRectangles(buffer, length);
}
else if (tokens[0] == "load")
{
if (_isDocLoaded)
{
sendTextFrame("error: cmd=load kind=docalreadyloaded");
return false;
}
_isDocLoaded = loadDocument(buffer, length, tokens);
if (!_isDocLoaded)
{
sendTextFrame("error: cmd=load kind=faileddocloading");
}
return _isDocLoaded;
}
else if (!_isDocLoaded)
{
// Be forgiving to these messages while we load.
if (tokens[0] == "useractive" ||
tokens[0] == "userinactive")
{
return true;
}
sendTextFrame("error: cmd=" + tokens[0] + " kind=nodocloaded");
return false;
}
else if (tokens[0] == "renderfont")
{
sendFontRendering(buffer, length, tokens);
}
else if (tokens[0] == "setclientpart")
{
return setClientPart(buffer, length, tokens);
}
else if (tokens[0] == "setpage")
{
return setPage(buffer, length, tokens);
}
else if (tokens[0] == "status")
{
return getStatus(buffer, length);
}
else if (tokens[0] == "tile" || tokens[0] == "tilecombine")
{
assert(!"Tile traffic should go through the DocumentBroker-LoKit WS.");
}
else
{
// All other commands are such that they always require a LibreOfficeKitDocument session,
// i.e. need to be handled in a child process.
assert(tokens[0] == "clientzoom" ||
tokens[0] == "clientvisiblearea" ||
tokens[0] == "downloadas" ||
tokens[0] == "getchildid" ||
tokens[0] == "gettextselection" ||
tokens[0] == "paste" ||
tokens[0] == "insertfile" ||
tokens[0] == "key" ||
tokens[0] == "mouse" ||
tokens[0] == "uno" ||
tokens[0] == "selecttext" ||
tokens[0] == "selectgraphic" ||
tokens[0] == "resetselection" ||
tokens[0] == "saveas" ||
tokens[0] == "useractive" ||
tokens[0] == "userinactive" ||
tokens[0] == "editlock:");
if (tokens[0] == "clientzoom")
{
return clientZoom(buffer, length, tokens);
}
else if (tokens[0] == "clientvisiblearea")
{
return clientVisibleArea(buffer, length, tokens);
}
else if (tokens[0] == "downloadas")
{
return downloadAs(buffer, length, tokens);
}
else if (tokens[0] == "getchildid")
{
return getChildId();
}
else if (tokens[0] == "gettextselection")
{
return getTextSelection(buffer, length, tokens);
}
else if (tokens[0] == "paste")
{
return paste(buffer, length, tokens);
}
else if (tokens[0] == "insertfile")
{
return insertFile(buffer, length, tokens);
}
else if (tokens[0] == "key")
{
return keyEvent(buffer, length, tokens);
}
else if (tokens[0] == "mouse")
{
return mouseEvent(buffer, length, tokens);
}
else if (tokens[0] == "uno")
{
return unoCommand(buffer, length, tokens);
}
else if (tokens[0] == "selecttext")
{
return selectText(buffer, length, tokens);
}
else if (tokens[0] == "selectgraphic")
{
return selectGraphic(buffer, length, tokens);
}
else if (tokens[0] == "resetselection")
{
return resetSelection(buffer, length, tokens);
}
else if (tokens[0] == "saveas")
{
return saveAs(buffer, length, tokens);
}
else if (tokens[0] == "useractive")
{
setIsActive(true);
}
else if (tokens[0] == "userinactive")
{
setIsActive(false);
}
else if (tokens[0] == "editlock:")
{
// Nothing for us to do but to let the
// client know about the edit lock state.
// Yes, this is echoed back because it's better
// to do this on each child's queue and thread
// than for WSD to potentially stall while notifying
// each client with the edit lock state.
Log::trace("Echoing back [" + firstLine + "].");
sendTextFrame(firstLine);
return true;
}
else
{
assert(false);
}
}
return true;
}
bool ChildSession::loadDocument(const char * /*buffer*/, int /*length*/, StringTokenizer& tokens)
{
int part = -1;
if (tokens.count() < 2)
{
sendTextFrame("error: cmd=load kind=syntax");
return false;
}
std::string timestamp;
parseDocOptions(tokens, part, timestamp);
std::string renderOpts;
if (!_docOptions.empty())
{
Parser parser;
Poco::Dynamic::Var var = parser.parse(_docOptions);
Object::Ptr object = var.extract<Object::Ptr>();
renderOpts = object->get("rendering").toString();
}
assert(!_docURL.empty());
assert(!_jailedFilePath.empty());
std::unique_lock<std::recursive_mutex> lock(Mutex);
_loKitDocument = _onLoad(getId(), _jailedFilePath, _docPassword, renderOpts, _haveDocPassword);
if (!_loKitDocument)
{
Log::error("Failed to get LoKitDocument instance.");
return false;
}
if (_multiView)
{
_viewId = _loKitDocument->pClass->getView(_loKitDocument);
_loKitDocument->pClass->initializeForRendering(_loKitDocument, (renderOpts.empty() ? nullptr : renderOpts.c_str()));
}
_docType = LOKitHelper::getDocumentTypeAsString(_loKitDocument);
if (_docType != "text" && part != -1)
{
_loKitDocument->pClass->setPart(_loKitDocument, part);
}
// Respond by the document status, which has no arguments.
Log::debug("Sending status after load.");
if (!getStatus(nullptr, 0))
return false;
Log::info("Loaded session " + getId());
return true;
}
void ChildSession::sendFontRendering(const char* /*buffer*/, int /*length*/, StringTokenizer& tokens)
{
std::string font, decodedFont;
if (tokens.count() < 2 ||
!getTokenString(tokens[1], "font", font))
{
sendTextFrame("error: cmd=renderfont kind=syntax");
return;
}
std::unique_lock<std::recursive_mutex> lock(Mutex);
if (_multiView)
_loKitDocument->pClass->setView(_loKitDocument, _viewId);
URI::decode(font, decodedFont);
std::string response = "renderfont: " + Poco::cat(std::string(" "), tokens.begin() + 1, tokens.end()) + "\n";
std::vector<char> output;
output.resize(response.size());
std::memcpy(output.data(), response.data(), response.size());
Timestamp timestamp;
int width, height;
unsigned char *pixmap = _loKitDocument->pClass->renderFont(_loKitDocument, decodedFont.c_str(), &width, &height);
Log::trace("renderFont [" + font + "] rendered in " + std::to_string(timestamp.elapsed()/1000.) + "ms");
if (pixmap != nullptr)
{
if (!Util::encodeBufferToPNG(pixmap, width, height, output, LOK_TILEMODE_RGBA))
{
sendTextFrame("error: cmd=renderfont kind=failure");
delete[] pixmap;
return;
}
delete[] pixmap;
}
sendBinaryFrame(output.data(), output.size());
}
bool ChildSession::getStatus(const char* /*buffer*/, int /*length*/)
{
std::unique_lock<std::recursive_mutex> lock(Mutex);
if (_multiView)
_loKitDocument->pClass->setView(_loKitDocument, _viewId);
const auto status = LOKitHelper::documentStatus(_loKitDocument);
if (status.empty())
{
Log::error("Failed to get document status.");
return false;
}
sendTextFrame("status: " + status);
return true;
}
bool ChildSession::getCommandValues(const char* /*buffer*/, int /*length*/, StringTokenizer& tokens)
{
std::string command;
if (tokens.count() != 2 || !getTokenString(tokens[1], "command", command))
{
sendTextFrame("error: cmd=commandvalues kind=syntax");
return false;
}
std::unique_lock<std::recursive_mutex> lock(Mutex);
if (_multiView)
_loKitDocument->pClass->setView(_loKitDocument, _viewId);
sendTextFrame("commandvalues: " + std::string(_loKitDocument->pClass->getCommandValues(_loKitDocument, command.c_str())));
return true;
}
bool ChildSession::getPartPageRectangles(const char* /*buffer*/, int /*length*/)
{
std::unique_lock<std::recursive_mutex> lock(Mutex);
if (_multiView)
_loKitDocument->pClass->setView(_loKitDocument, _viewId);
sendTextFrame("partpagerectangles: " + std::string(_loKitDocument->pClass->getPartPageRectangles(_loKitDocument)));
return true;
}
bool ChildSession::clientZoom(const char* /*buffer*/, int /*length*/, StringTokenizer& tokens)
{
int tilePixelWidth, tilePixelHeight, tileTwipWidth, tileTwipHeight;
if (tokens.count() != 5 ||
!getTokenInteger(tokens[1], "tilepixelwidth", tilePixelWidth) ||
!getTokenInteger(tokens[2], "tilepixelheight", tilePixelHeight) ||
!getTokenInteger(tokens[3], "tiletwipwidth", tileTwipWidth) ||
!getTokenInteger(tokens[4], "tiletwipheight", tileTwipHeight))
{
sendTextFrame("error: cmd=clientzoom kind=syntax");
return false;
}
std::unique_lock<std::recursive_mutex> lock(Mutex);
if (_multiView)
_loKitDocument->pClass->setView(_loKitDocument, _viewId);
_loKitDocument->pClass->setClientZoom(_loKitDocument, tilePixelWidth, tilePixelHeight, tileTwipWidth, tileTwipHeight);
return true;
}
bool ChildSession::clientVisibleArea(const char* /*buffer*/, int /*length*/, StringTokenizer& tokens)
{
int x;
int y;
int width;
int height;
if (tokens.count() != 5 ||
!getTokenInteger(tokens[1], "x", x) ||
!getTokenInteger(tokens[2], "y", y) ||
!getTokenInteger(tokens[3], "width", width) ||
!getTokenInteger(tokens[4], "height", height))
{
sendTextFrame("error: cmd=clientvisiblearea kind=syntax");
return false;
}
std::unique_lock<std::recursive_mutex> lock(Mutex);
if (_multiView)
_loKitDocument->pClass->setView(_loKitDocument, _viewId);
_loKitDocument->pClass->setClientVisibleArea(_loKitDocument, x, y, width, height);
return true;
}
bool ChildSession::downloadAs(const char* /*buffer*/, int /*length*/, StringTokenizer& tokens)
{
std::string name, id, format, filterOptions;
if (tokens.count() < 5 ||
!getTokenString(tokens[1], "name", name) ||
!getTokenString(tokens[2], "id", id))
{
sendTextFrame("error: cmd=downloadas kind=syntax");
return false;
}
getTokenString(tokens[3], "format", format);
if (getTokenString(tokens[4], "options", filterOptions))
{
if (tokens.count() > 5)
{
filterOptions += Poco::cat(std::string(" "), tokens.begin() + 5, tokens.end());
}
}
const auto tmpDir = Util::createRandomDir(JAILED_DOCUMENT_ROOT);
const auto url = JAILED_DOCUMENT_ROOT + tmpDir + "/" + name;
std::unique_lock<std::recursive_mutex> lock(Mutex);
//TODO: Cleanup the file after downloading.
_loKitDocument->pClass->saveAs(_loKitDocument, url.c_str(),
format.size() == 0 ? nullptr :format.c_str(),
filterOptions.size() == 0 ? nullptr : filterOptions.c_str());
sendTextFrame("downloadas: jail=" + _jailId + " dir=" + tmpDir + " name=" + name +
" port=" + std::to_string(ClientPortNumber) + " id=" + id);
return true;
}
bool ChildSession::getChildId()
{
sendTextFrame("getchildid: id=" + _jailId);
return true;
}
bool ChildSession::getTextSelection(const char* /*buffer*/, int /*length*/, StringTokenizer& tokens)
{
std::string mimeType;
if (tokens.count() != 2 ||
!getTokenString(tokens[1], "mimetype", mimeType))
{
sendTextFrame("error: cmd=gettextselection kind=syntax");
return false;
}
std::unique_lock<std::recursive_mutex> lock(Mutex);
if (_multiView)
_loKitDocument->pClass->setView(_loKitDocument, _viewId);
char *textSelection = _loKitDocument->pClass->getTextSelection(_loKitDocument, mimeType.c_str(), nullptr);
sendTextFrame("textselectioncontent: " + std::string(textSelection));
free(textSelection);
return true;
}
bool ChildSession::paste(const char* buffer, int length, StringTokenizer& tokens)
{
std::string mimeType;
if (tokens.count() < 2 || !getTokenString(tokens[1], "mimetype", mimeType))
{
sendTextFrame("error: cmd=paste kind=syntax");
return false;
}
const std::string firstLine = getFirstLine(buffer, length);
const char* data = buffer + firstLine.size() + 1;
size_t size = length - firstLine.size() - 1;
std::unique_lock<std::recursive_mutex> lock(Mutex);
if (_multiView)
_loKitDocument->pClass->setView(_loKitDocument, _viewId);
Log::info("Calling _loKit->pClass->paste()");
_loKitDocument->pClass->paste(_loKitDocument, mimeType.c_str(), data, size);
Log::info("paste() returned");
return true;
}
bool ChildSession::insertFile(const char* /*buffer*/, int /*length*/, StringTokenizer& tokens)
{
std::string name, type;
if (tokens.count() != 3 ||
!getTokenString(tokens[1], "name", name) ||
!getTokenString(tokens[2], "type", type))
{
sendTextFrame("error: cmd=insertfile kind=syntax");
return false;
}
std::unique_lock<std::recursive_mutex> lock(Mutex);
if (type == "graphic")
{
std::string fileName = "file://" + std::string(JAILED_DOCUMENT_ROOT) + "insertfile/" + name;
std::string command = ".uno:InsertGraphic";
std::string arguments = "{"
"\"FileName\":{"
"\"type\":\"string\","
"\"value\":\"" + fileName + "\""
"}}";
if (_multiView)
_loKitDocument->pClass->setView(_loKitDocument, _viewId);
_loKitDocument->pClass->postUnoCommand(_loKitDocument, command.c_str(), arguments.c_str(), false);
}
return true;
}
bool ChildSession::keyEvent(const char* /*buffer*/, int /*length*/, StringTokenizer& tokens)
{
int type, charcode, keycode;
if (tokens.count() != 4 ||
!getTokenKeyword(tokens[1], "type",
{{"input", LOK_KEYEVENT_KEYINPUT}, {"up", LOK_KEYEVENT_KEYUP}},
type) ||
!getTokenInteger(tokens[2], "char", charcode) ||
!getTokenInteger(tokens[3], "key", keycode))
{
sendTextFrame("error: cmd=key kind=syntax");
return false;
}
// Don't close LO window!
constexpr auto KEY_CTRL = 0x2000;
constexpr auto KEY_W = 0x0216;
if (keycode == (KEY_CTRL | KEY_W))
{
return true;
}
// Ctrl+Tab switching browser tabs,
// Doesn't insert tabs.
constexpr auto KEY_TAB = 0x0502;
if (keycode == (KEY_CTRL | KEY_TAB))
{
return true;
}
std::unique_lock<std::recursive_mutex> lock(Mutex);
if (_multiView)
_loKitDocument->pClass->setView(_loKitDocument, _viewId);
_loKitDocument->pClass->postKeyEvent(_loKitDocument, type, charcode, keycode);
return true;
}
bool ChildSession::mouseEvent(const char* /*buffer*/, int /*length*/, StringTokenizer& tokens)
{
int type, x, y, count;
bool success = true;
// default values for compatibility reasons with older loleaflets
int buttons = 1; // left button
int modifier = 0;
if (tokens.count() < 5 ||
!getTokenKeyword(tokens[1], "type",
{{"buttondown", LOK_MOUSEEVENT_MOUSEBUTTONDOWN},
{"buttonup", LOK_MOUSEEVENT_MOUSEBUTTONUP},
{"move", LOK_MOUSEEVENT_MOUSEMOVE}},
type) ||
!getTokenInteger(tokens[2], "x", x) ||
!getTokenInteger(tokens[3], "y", y) ||
!getTokenInteger(tokens[4], "count", count))
{
success = false;
}
// compatibility with older loleaflets
if (success && tokens.count() > 5 && !getTokenInteger(tokens[5], "buttons", buttons))
success = false;
// compatibility with older loleaflets
if (success && tokens.count() > 6 && !getTokenInteger(tokens[6], "modifier", modifier))
success = false;
if (!success)
{
sendTextFrame("error: cmd=mouse kind=syntax");
return false;
}
std::unique_lock<std::recursive_mutex> lock(Mutex);
if (_multiView)
_loKitDocument->pClass->setView(_loKitDocument, _viewId);
_loKitDocument->pClass->postMouseEvent(_loKitDocument, type, x, y, count, buttons, modifier);
return true;
}
bool ChildSession::unoCommand(const char* /*buffer*/, int /*length*/, StringTokenizer& tokens)
{
if (tokens.count() == 1)
{
sendTextFrame("error: cmd=uno kind=syntax");
return false;
}
std::unique_lock<std::recursive_mutex> lock(Mutex);
if (_multiView)
_loKitDocument->pClass->setView(_loKitDocument, _viewId);
// we need to get LOK_CALLBACK_UNO_COMMAND_RESULT callback when saving
const bool bNotify = (tokens[1] == ".uno:Save");
if (tokens.count() == 2)
{
_loKitDocument->pClass->postUnoCommand(_loKitDocument, tokens[1].c_str(), nullptr, bNotify);
}
else
{
_loKitDocument->pClass->postUnoCommand(_loKitDocument, tokens[1].c_str(),
Poco::cat(std::string(" "), tokens.begin() + 2, tokens.end()).c_str(),
bNotify);
}
return true;
}
bool ChildSession::selectText(const char* /*buffer*/, int /*length*/, StringTokenizer& tokens)
{
int type, x, y;
if (tokens.count() != 4 ||
!getTokenKeyword(tokens[1], "type",
{{"start", LOK_SETTEXTSELECTION_START},
{"end", LOK_SETTEXTSELECTION_END},
{"reset", LOK_SETTEXTSELECTION_RESET}},
type) ||
!getTokenInteger(tokens[2], "x", x) ||
!getTokenInteger(tokens[3], "y", y))
{
sendTextFrame("error: cmd=selecttext kind=syntax");
return false;
}
std::unique_lock<std::recursive_mutex> lock(Mutex);
if (_multiView)
_loKitDocument->pClass->setView(_loKitDocument, _viewId);
_loKitDocument->pClass->setTextSelection(_loKitDocument, type, x, y);
return true;
}
bool ChildSession::selectGraphic(const char* /*buffer*/, int /*length*/, StringTokenizer& tokens)
{
int type, x, y;
if (tokens.count() != 4 ||
!getTokenKeyword(tokens[1], "type",
{{"start", LOK_SETGRAPHICSELECTION_START},
{"end", LOK_SETGRAPHICSELECTION_END}},
type) ||
!getTokenInteger(tokens[2], "x", x) ||
!getTokenInteger(tokens[3], "y", y))
{
sendTextFrame("error: cmd=selectgraphic kind=syntax");
return false;
}
std::unique_lock<std::recursive_mutex> lock(Mutex);
if (_multiView)
_loKitDocument->pClass->setView(_loKitDocument, _viewId);
_loKitDocument->pClass->setGraphicSelection(_loKitDocument, type, x, y);
return true;
}
bool ChildSession::resetSelection(const char* /*buffer*/, int /*length*/, StringTokenizer& tokens)
{
if (tokens.count() != 1)
{
sendTextFrame("error: cmd=resetselection kind=syntax");
return false;
}
std::unique_lock<std::recursive_mutex> lock(Mutex);
if (_multiView)
_loKitDocument->pClass->setView(_loKitDocument, _viewId);
_loKitDocument->pClass->resetSelection(_loKitDocument);
return true;
}
bool ChildSession::saveAs(const char* /*buffer*/, int /*length*/, StringTokenizer& tokens)
{
std::string url, format, filterOptions;
if (tokens.count() < 4 ||
!getTokenString(tokens[1], "url", url))
{
sendTextFrame("error: cmd=saveas kind=syntax");
return false;
}
getTokenString(tokens[2], "format", format);
if (getTokenString(tokens[3], "options", filterOptions))
{
if (tokens.count() > 4)
{
filterOptions += Poco::cat(std::string(" "), tokens.begin() + 4, tokens.end());
}
}
std::unique_lock<std::recursive_mutex> lock(Mutex);
if (_multiView)
_loKitDocument->pClass->setView(_loKitDocument, _viewId);
bool success = _loKitDocument->pClass->saveAs(_loKitDocument, url.c_str(),
format.size() == 0 ? nullptr :format.c_str(),
filterOptions.size() == 0 ? nullptr : filterOptions.c_str());
sendTextFrame("saveas: url=" + url);
std::string successStr = success ? "true" : "false";
sendTextFrame("unocommandresult: {"
"\"commandName\":\"saveas\","
"\"success\":\"" + successStr + "\"}");
return true;
}
bool ChildSession::setClientPart(const char* /*buffer*/, int /*length*/, StringTokenizer& tokens)
{
int part;
if (tokens.count() < 2 ||
!getTokenInteger(tokens[1], "part", part))
{
sendTextFrame("error: cmd=setclientpart kind=invalid");
return false;
}
std::unique_lock<std::recursive_mutex> lock(Mutex);
if (part != _loKitDocument->pClass->getPart(_loKitDocument))
{
if (_multiView)
_loKitDocument->pClass->setView(_loKitDocument, _viewId);
_loKitDocument->pClass->setPart(_loKitDocument, part);
}
return true;
}
bool ChildSession::setPage(const char* /*buffer*/, int /*length*/, StringTokenizer& tokens)
{
int page;
if (tokens.count() < 2 ||
!getTokenInteger(tokens[1], "page", page))
{
sendTextFrame("error: cmd=setpage kind=invalid");
return false;
}
std::unique_lock<std::recursive_mutex> lock(Mutex);
if (_multiView)
_loKitDocument->pClass->setView(_loKitDocument, _viewId);
_loKitDocument->pClass->setPart(_loKitDocument, page);
return true;
}
void ChildSession::loKitCallback(const int nType, const char *pPayload)
{
auto pNotif = new CallbackNotification(nType, pPayload ? pPayload : "(nil)");
_callbackQueue.enqueueNotification(pNotif);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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