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collabora-online/kit/ChildSession.cpp

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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 "ChildSession.hpp"
#include "config.h"
#include <sstream>
#include <Poco/JSON/Object.h>
#include <Poco/JSON/Parser.h>
#include <Poco/Net/WebSocket.h>
#include <Poco/StringTokenizer.h>
#include <Poco/URI.h>
#include "common/FileUtil.hpp"
#include "LOKitHelper.hpp"
#include "Log.hpp"
#include "Png.hpp"
#include "Util.hpp"
using Poco::JSON::Object;
using Poco::JSON::Parser;
using Poco::StringTokenizer;
using Poco::Timestamp;
using Poco::URI;
using namespace LOOLProtocol;
std::recursive_mutex ChildSession::Mutex;
ChildSession::ChildSession(const std::string& id,
const std::string& jailId,
IDocumentManager& docManager) :
LOOLSession(id, Kind::ToMaster, nullptr),
_jailId(jailId),
_docManager(docManager),
_viewId(-1),
_isDocLoaded(false)
{
LOG_INF("ChildSession ctor [" << getName() << "].");
}
ChildSession::~ChildSession()
{
LOG_INF("~ChildSession dtor [" << getName() << "].");
disconnect();
}
void ChildSession::disconnect()
{
if (!isDisconnected())
{
std::unique_lock<std::recursive_mutex> lock(Mutex);
if (_viewId >= 0)
{
_docManager.onUnload(*this);
}
else
{
LOG_WRN("Skipping unload on incomplete view.");
}
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 (LOOLProtocol::tokenIndicatesUserInteraction(tokens[0]))
{
// Keep track of timestamps of incoming client messages that indicate user activity.
updateLastActivityTime();
}
if (tokens.count() > 0 && tokens[0] == "useractive" && getLOKitDocument() != nullptr)
{
LOG_DBG("Handling message after inactivity of " << getInactivityMS() << "ms.");
setIsActive(true);
// Client is getting active again.
// Send invalidation and other sync-up messages.
std::unique_lock<std::recursive_mutex> lock(Mutex); //TODO: Move to top of function?
std::unique_lock<std::mutex> lockLokDoc(_docManager.getDocumentMutex());
getLOKitDocument()->setView(_viewId);
// Get the list of view ids from the core
const int viewCount = getLOKitDocument()->getViewsCount();
std::vector<int> viewIds(viewCount);
getLOKitDocument()->getViewIds(viewIds.data(), viewCount);
int curPart = 0;
if (getLOKitDocument()->getDocumentType() != LOK_DOCTYPE_TEXT)
curPart = getLOKitDocument()->getPart();
lockLokDoc.unlock();
// Notify all views about updated view info
_docManager.notifyViewInfo(viewIds);
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 : _lastDocEvents)
{
const auto typeName = LOKitHelper::kitCallbackTypeToString(pair.first);
LOG_TRC("Replaying missed event: " << typeName << ": " << pair.second);
loKitCallback(pair.first, pair.second);
}
for (const auto& pair : _lastDocStates)
{
LOG_TRC("Replaying missed state-change: STATE_CHANGED: " << pair.second);
loKitCallback(LOK_CALLBACK_STATE_CHANGED, pair.second);
}
LOG_TRC("Finished replaying messages.");
}
if (tokens[0] == "dummymsg")
{
// Just to update the activity of a view-only client.
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(false && "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");
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
{
assert(false && "Unknown command token.");
}
}
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>();
Poco::Dynamic::Var rendering = object->get("rendering");
if (!rendering.isEmpty())
renderOpts = rendering.toString();
}
assert(!_docURL.empty());
assert(!_jailedFilePath.empty());
std::unique_lock<std::recursive_mutex> lock(Mutex);
bool loaded = _docManager.onLoad(getId(), _jailedFilePath, _userName, _docPassword, renderOpts, _haveDocPassword);
if (!loaded || _viewId < 0)
{
LOG_ERR("Failed to get LoKitDocument instance.");
return false;
}
LOG_INF("Created new view with viewid: [" << _viewId << + "] for username: [" <<
_userName << "] in session: [" << getId() << "].");
std::unique_lock<std::mutex> lockLokDoc(_docManager.getDocumentMutex());
getLOKitDocument()->setView(_viewId);
_docType = LOKitHelper::getDocumentTypeAsString(getLOKitDocument()->get());
if (_docType != "text" && part != -1)
{
getLOKitDocument()->setPart(part);
}
// Respond by the document status
LOG_DBG("Sending status after loading view " << _viewId << ".");
const auto status = LOKitHelper::documentStatus(getLOKitDocument()->get());
if (status.empty() || !sendTextFrame("status: " + status))
{
LOG_ERR("Failed to get/forward document status [" << status << "].");
return false;
}
// Get the list of view ids from the core
const int viewCount = getLOKitDocument()->getViewsCount();
std::vector<int> viewIds(viewCount);
getLOKitDocument()->getViewIds(viewIds.data(), viewCount);
lockLokDoc.unlock();
// Inform everyone (including this one) about updated view info
_docManager.notifyViewInfo(viewIds);
LOG_INF("Loaded session " << getId());
return true;
}
bool ChildSession::sendFontRendering(const char* /*buffer*/, int /*length*/, StringTokenizer& tokens)
{
std::string font, text, decodedFont;
if (tokens.count() < 3 ||
!getTokenString(tokens[1], "font", font))
{
sendTextFrame("error: cmd=renderfont kind=syntax");
return false;
}
getTokenString(tokens[2], "char", text);
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* ptrFont = nullptr;
{
std::unique_lock<std::mutex> lock(_docManager.getDocumentMutex());
getLOKitDocument()->setView(_viewId);
ptrFont = getLOKitDocument()->renderFont(decodedFont.c_str(), text.c_str(), &width, &height);
}
LOG_TRC("renderFont [" << font << "] rendered in " << (timestamp.elapsed()/1000.) << "ms");
if (!ptrFont ||
!png::encodeBufferToPNG(ptrFont, width, height, output, LOK_TILEMODE_RGBA))
{
std::free(ptrFont);
return sendTextFrame("error: cmd=renderfont kind=failure");
}
std::free(ptrFont);
return sendTextFrame(output.data(), output.size());
}
bool ChildSession::getStatus(const char* /*buffer*/, int /*length*/)
{
std::string status;
{
std::unique_lock<std::mutex> lock(_docManager.getDocumentMutex());
getLOKitDocument()->setView(_viewId);
status = LOKitHelper::documentStatus(getLOKitDocument()->get());
}
if (status.empty())
{
LOG_ERR("Failed to get document status.");
return false;
}
return sendTextFrame("status: " + status);
}
namespace
{
/// Given a view ID <-> user name map and a .uno:DocumentRepair result, annotate with user names.
void insertUserNames(const std::map<int, UserInfo>& viewInfo, std::string& json)
{
Poco::JSON::Parser parser;
auto root = parser.parse(json).extract<Poco::JSON::Object::Ptr>();
std::vector<std::string> directions { "Undo", "Redo" };
for (auto& directionName : directions)
{
auto direction = root->get(directionName).extract<Poco::JSON::Object::Ptr>();
if (direction->get("actions").type() == typeid(Poco::JSON::Array::Ptr))
{
auto actions = direction->get("actions").extract<Poco::JSON::Array::Ptr>();
for (auto& actionVar : *actions)
{
auto action = actionVar.extract<Poco::JSON::Object::Ptr>();
int viewId = action->getValue<int>("viewId");
auto it = viewInfo.find(viewId);
if (it != viewInfo.end())
action->set("userName", Poco::Dynamic::Var(it->second.username));
}
}
}
std::stringstream ss;
root->stringify(ss);
json = ss.str();
}
}
bool ChildSession::getCommandValues(const char* /*buffer*/, int /*length*/, StringTokenizer& tokens)
{
bool success;
char* pValues;
std::string command;
if (tokens.count() != 2 || !getTokenString(tokens[1], "command", command))
{
sendTextFrame("error: cmd=commandvalues kind=syntax");
return false;
}
std::unique_lock<std::mutex> lock(_docManager.getDocumentMutex());
getLOKitDocument()->setView(_viewId);
if (command == ".uno:DocumentRepair")
{
char* pUndo;
const std::string jsonTemplate("{\"commandName\":\".uno:DocumentRepair\",\"Redo\":%s,\"Undo\":%s}");
pValues = getLOKitDocument()->getCommandValues(".uno:Redo");
pUndo = getLOKitDocument()->getCommandValues(".uno:Undo");
std::string json = Poco::format(jsonTemplate,
std::string(pValues == nullptr ? "" : pValues),
std::string(pUndo == nullptr ? "" : pUndo));
// json only contains view IDs, insert matching user names.
std::map<int, UserInfo> viewInfo = _docManager.getViewInfo();
insertUserNames(viewInfo, json);
success = sendTextFrame("commandvalues: " + json);
std::free(pValues);
std::free(pUndo);
}
else
{
pValues = getLOKitDocument()->getCommandValues(command.c_str());
success = sendTextFrame("commandvalues: " + std::string(pValues == nullptr ? "" : pValues));
std::free(pValues);
}
return success;
}
bool ChildSession::getPartPageRectangles(const char* /*buffer*/, int /*length*/)
{
char* partPage = nullptr;
{
std::unique_lock<std::mutex> lock(_docManager.getDocumentMutex());
getLOKitDocument()->setView(_viewId);
partPage = getLOKitDocument()->getPartPageRectangles();
}
sendTextFrame("partpagerectangles: " + std::string(partPage));
std::free(partPage);
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::mutex> lock(_docManager.getDocumentMutex());
getLOKitDocument()->setView(_viewId);
getLOKitDocument()->setClientZoom(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::mutex> lock(_docManager.getDocumentMutex());
getLOKitDocument()->setView(_viewId);
getLOKitDocument()->setClientVisibleArea(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());
}
}
// The file is removed upon downloading.
const auto tmpDir = FileUtil::createRandomDir(JAILED_DOCUMENT_ROOT);
// Prevent user inputting anything funny here.
// A "name" should always be a name, not a path
const Poco::Path filenameParam(name);
const auto url = JAILED_DOCUMENT_ROOT + tmpDir + "/" + filenameParam.getFileName();
{
std::unique_lock<std::mutex> lock(_docManager.getDocumentMutex());
getLOKitDocument()->saveAs(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;
}
char* textSelection = nullptr;
{
std::unique_lock<std::mutex> lock(_docManager.getDocumentMutex());
getLOKitDocument()->setView(_viewId);
textSelection = getLOKitDocument()->getTextSelection(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;
const size_t size = length - firstLine.size() - 1;
std::unique_lock<std::mutex> lock(_docManager.getDocumentMutex());
getLOKitDocument()->setView(_viewId);
getLOKitDocument()->paste(mimeType.c_str(), data, size);
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;
}
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 + "\""
"}}";
std::unique_lock<std::mutex> lock(_docManager.getDocumentMutex());
getLOKitDocument()->setView(_viewId);
getLOKitDocument()->postUnoCommand(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::mutex> lock(_docManager.getDocumentMutex());
getLOKitDocument()->setView(_viewId);
getLOKitDocument()->postKeyEvent(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::mutex> lock(_docManager.getDocumentMutex());
getLOKitDocument()->setView(_viewId);
getLOKitDocument()->postMouseEvent(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;
}
// we need to get LOK_CALLBACK_UNO_COMMAND_RESULT callback when saving
const bool bNotify = (tokens[1] == ".uno:Save");
std::unique_lock<std::mutex> lock(_docManager.getDocumentMutex());
getLOKitDocument()->setView(_viewId);
if (tokens.count() == 2 && tokens[1] == ".uno:fakeDiskFull")
{
Util::alertAllUsers("internal", "diskfull");
}
else if (tokens.count() == 2)
{
getLOKitDocument()->postUnoCommand(tokens[1].c_str(), nullptr, bNotify);
}
else
{
getLOKitDocument()->postUnoCommand(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::mutex> lock(_docManager.getDocumentMutex());
getLOKitDocument()->setView(_viewId);
getLOKitDocument()->setTextSelection(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::mutex> lock(_docManager.getDocumentMutex());
getLOKitDocument()->setView(_viewId);
getLOKitDocument()->setGraphicSelection(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::mutex> lock(_docManager.getDocumentMutex());
getLOKitDocument()->setView(_viewId);
getLOKitDocument()->resetSelection();
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());
}
}
bool success = false;
{
std::unique_lock<std::mutex> lock(_docManager.getDocumentMutex());
getLOKitDocument()->setView(_viewId);
success = getLOKitDocument()->saveAs(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::mutex> lock(_docManager.getDocumentMutex());
getLOKitDocument()->setView(_viewId);
if (getLOKitDocument()->getDocumentType() != LOK_DOCTYPE_TEXT && part != getLOKitDocument()->getPart())
{
getLOKitDocument()->setPart(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::mutex> lock(_docManager.getDocumentMutex());
getLOKitDocument()->setView(_viewId);
getLOKitDocument()->setPart(page);
return true;
}
void ChildSession::loKitCallback(const int nType, const std::string& rPayload)
{
const auto typeName = LOKitHelper::kitCallbackTypeToString(nType);
LOG_TRC("CallbackWorker::callback [" << getName() << "]: " <<
typeName << " [" << rPayload << "].");
if (isCloseFrame())
{
LOG_TRC("Skipping callback [" << typeName << "] on closing session " << getName());
return;
}
else if (isDisconnected())
{
LOG_TRC("Skipping callback [" << typeName << "] on disconnected session " << getName());
return;
}
else if (!isActive())
{
// 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 ||
nType == LOK_CALLBACK_INVALIDATE_VIEW_CURSOR ||
nType == LOK_CALLBACK_TEXT_VIEW_SELECTION ||
nType == LOK_CALLBACK_CELL_VIEW_CURSOR ||
nType == LOK_CALLBACK_GRAPHIC_VIEW_SELECTION ||
nType == LOK_CALLBACK_VIEW_CURSOR_VISIBLE ||
nType == LOK_CALLBACK_VIEW_LOCK)
{
auto lock(getLock());
_lastDocEvents[nType] = rPayload;
}
if (nType == LOK_CALLBACK_STATE_CHANGED)
{
std::string name;
std::string value;
if (LOOLProtocol::parseNameValuePair(rPayload, name, value, '='))
{
auto lock(getLock());
_lastDocStates[name] = rPayload;
}
}
// Pass save notifications through.
if (nType != LOK_CALLBACK_UNO_COMMAND_RESULT || rPayload.find(".uno:Save") == std::string::npos)
{
LOG_TRC("Skipping callback [" << typeName << "] on inactive session " << getName());
return;
}
}
switch (nType)
{
case LOK_CALLBACK_INVALIDATE_TILES:
{
StringTokenizer tokens(rPayload, ",", StringTokenizer::TOK_IGNORE_EMPTY | StringTokenizer::TOK_TRIM);
if (tokens.count() == 5)
{
int part, 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]);
part = (_docType != "text" ? std::stoi(tokens[4]) : 0); // Writer renders everything as part 0.
}
catch (const std::out_of_range&)
{
// We might get INT_MAX +/- some delta that
// can overflow signed int and we end up here.
x = 0;
y = 0;
width = INT_MAX;
height = INT_MAX;
part = 0;
}
sendTextFrame("invalidatetiles:"
" part=" + std::to_string(part) +
" x=" + std::to_string(x) +
" y=" + std::to_string(y) +
" width=" + std::to_string(width) +
" height=" + std::to_string(height));
}
else
{
sendTextFrame("invalidatetiles: " + rPayload);
}
}
break;
case LOK_CALLBACK_INVALIDATE_VISIBLE_CURSOR:
sendTextFrame("invalidatecursor: " + rPayload);
break;
case LOK_CALLBACK_TEXT_SELECTION:
sendTextFrame("textselection: " + rPayload);
break;
case LOK_CALLBACK_TEXT_SELECTION_START:
sendTextFrame("textselectionstart: " + rPayload);
break;
case LOK_CALLBACK_TEXT_SELECTION_END:
sendTextFrame("textselectionend: " + rPayload);
break;
case LOK_CALLBACK_CURSOR_VISIBLE:
sendTextFrame("cursorvisible: " + rPayload);
break;
case LOK_CALLBACK_GRAPHIC_SELECTION:
sendTextFrame("graphicselection: " + rPayload);
break;
case LOK_CALLBACK_CELL_CURSOR:
sendTextFrame("cellcursor: " + rPayload);
break;
case LOK_CALLBACK_CELL_FORMULA:
sendTextFrame("cellformula: " + rPayload);
break;
case LOK_CALLBACK_MOUSE_POINTER:
sendTextFrame("mousepointer: " + rPayload);
break;
case LOK_CALLBACK_HYPERLINK_CLICKED:
sendTextFrame("hyperlinkclicked: " + rPayload);
break;
case LOK_CALLBACK_STATE_CHANGED:
sendTextFrame("statechanged: " + rPayload);
break;
case LOK_CALLBACK_SEARCH_NOT_FOUND:
sendTextFrame("searchnotfound: " + rPayload);
break;
case LOK_CALLBACK_SEARCH_RESULT_SELECTION:
sendTextFrame("searchresultselection: " + rPayload);
break;
case LOK_CALLBACK_DOCUMENT_SIZE_CHANGED:
getStatus("", 0);
getPartPageRectangles("", 0);
break;
case LOK_CALLBACK_SET_PART:
sendTextFrame("setpart: " + rPayload);
break;
case LOK_CALLBACK_UNO_COMMAND_RESULT:
sendTextFrame("unocommandresult: " + rPayload);
break;
case LOK_CALLBACK_ERROR:
{
LOG_ERR("CALLBACK_ERROR: " << rPayload);
Parser parser;
Poco::Dynamic::Var var = parser.parse(rPayload);
Object::Ptr object = var.extract<Object::Ptr>();
sendTextFrame("error: cmd=" + object->get("cmd").toString() +
" kind=" + object->get("kind").toString() + " code=" + object->get("code").toString());
}
break;
case LOK_CALLBACK_CONTEXT_MENU:
sendTextFrame("contextmenu: " + rPayload);
break;
case LOK_CALLBACK_STATUS_INDICATOR_START:
sendTextFrame("statusindicatorstart:");
break;
case LOK_CALLBACK_STATUS_INDICATOR_SET_VALUE:
sendTextFrame("statusindicatorsetvalue: " + rPayload);
break;
case LOK_CALLBACK_STATUS_INDICATOR_FINISH:
sendTextFrame("statusindicatorfinish:");
break;
case LOK_CALLBACK_INVALIDATE_VIEW_CURSOR:
sendTextFrame("invalidateviewcursor: " + rPayload);
break;
case LOK_CALLBACK_TEXT_VIEW_SELECTION:
sendTextFrame("textviewselection: " + rPayload);
break;
case LOK_CALLBACK_CELL_VIEW_CURSOR:
sendTextFrame("cellviewcursor: " + rPayload);
break;
case LOK_CALLBACK_GRAPHIC_VIEW_SELECTION:
sendTextFrame("graphicviewselection: " + rPayload);
break;
case LOK_CALLBACK_VIEW_CURSOR_VISIBLE:
sendTextFrame("viewcursorvisible: " + rPayload);
break;
case LOK_CALLBACK_VIEW_LOCK:
sendTextFrame("viewlock: " + rPayload);
break;
case LOK_CALLBACK_REDLINE_TABLE_SIZE_CHANGED:
sendTextFrame("redlinetablechanged: " + rPayload);
break;
case LOK_CALLBACK_REDLINE_TABLE_ENTRY_MODIFIED:
sendTextFrame("redlinetablemodified: " + rPayload);
break;
default:
LOG_ERR("Unknown callback event (" << nType << "): " << rPayload);
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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