void HttpInterface::evReset(HttpRequest* req, strings& args)
{
for (NodesMap::iterator descIt = nodes.begin();
descIt != nodes.end(); ++descIt)
{
bool ok;
nodeId = getNodeId(descIt->second.name, 0, &ok);
if (!ok)
continue;
string nodeName = WStringToUTF8(descIt->second.name);
Reset(nodeId).serialize(asebaStream); // reset node
asebaStream->flush();
Run(nodeId).serialize(asebaStream); // re-run node
asebaStream->flush();
if (nodeName.find("thymio-II") == 0)
{
strings args;
args.push_back("motor.left.target");
args.push_back("0");
sendSetVariable(nodeName, args);
args[0] = "motor.right.target";
sendSetVariable(nodeName, args);
}
size_t eventPos;
if (commonDefinitions.events.contains(UTF8ToWString("reset"), &eventPos))
{
strings data;
data.push_back("reset");
sendEvent(nodeName,data);
}
finishResponse(req, 200, "");
}
}
void SessionInfo::SetHomepage(const char* homepage)
{
tstring newHomepage = UTF8ToWString(homepage);
if (m_homepages.end() == std::find(m_homepages.begin(), m_homepages.end(), newHomepage))
{
m_homepages.push_back(newHomepage);
}
}
// Utility: find variable address
bool HttpInterface::getNodeAndVarPos(const string& nodeName, const string& variableName,
unsigned& nodeId, unsigned& pos)
{
// make sure the node exists
bool ok;
nodeId = getNodeId(UTF8ToWString(nodeName), 0, &ok);
if (!ok)
{
if (verbose)
wcerr << "invalid node name " << UTF8ToWString(nodeName) << endl;
return false;
}
pos = unsigned(-1);
// check whether variable is known from a compilation, if so, get position
const NodeNameVariablesMap::const_iterator allVarMapIt(allVariables.find(nodeName));
if (allVarMapIt != allVariables.end())
{
const VariablesMap& varMap(allVarMapIt->second);
const VariablesMap::const_iterator varIt(varMap.find(UTF8ToWString(variableName)));
if (varIt != varMap.end())
pos = varIt->second.first;
}
// if variable is not user-defined, check whether it is provided by this node
if (pos == unsigned(-1))
{
bool ok;
pos = getVariablePos(nodeId, UTF8ToWString(variableName), &ok);
if (!ok)
{
if (verbose)
wcerr << "no variable " << UTF8ToWString(variableName) << " in node " << UTF8ToWString(nodeName);
return false;
}
}
return true;
}
void HttpInterface::sendEvent(const std::string nodeName, const strings& args)
{
size_t eventPos;
if (commonDefinitions.events.contains(UTF8ToWString(args[0]), &eventPos))
{
// build event and emit
UserMessage::DataVector data;
for (size_t i=1; i<args.size(); ++i)
data.push_back(atoi(args[i].c_str()));
UserMessage userMessage(eventPos, data);
userMessage.serialize(asebaStream);
asebaStream->flush();
}
else if (verbose)
cerr << "sendEvent " << nodeName << ": no event " << args[0] << endl;
}
std::pair<unsigned,unsigned> HttpInterface::sendGetVariables(const std::string nodeName, const strings& args)
{
unsigned nodePos, varPos;
for (strings::const_iterator it(args.begin()); it != args.end(); ++it)
{
// get node id, variable position and length
if (verbose)
cerr << "getVariables " << nodeName << " " << *it;
const bool exists(getNodeAndVarPos(nodeName, *it, nodePos, varPos));
if (!exists)
continue;
VariablesMap vm = allVariables[nodeName];
const unsigned length(vm[UTF8ToWString(*it)].second);
if (verbose)
cerr << " (" << nodePos << "," << varPos << "):" << length << "\n";
// send the message
GetVariables getVariables(nodePos, varPos, length);
getVariables.serialize(asebaStream);
}
asebaStream->flush();
return std::pair<unsigned,unsigned>(nodePos,varPos); // just last one
}
bool SessionInfo::ProcessConfig(const string& config_json)
{
m_upgradeVersion.clear();
m_psk.clear();
m_sshPort = 0;
m_sshUsername.clear();
m_sshPassword.clear();
m_sshHostKey.clear();
m_sshSessionID.clear();
m_sshObfuscatedPort = 0;
m_sshObfuscatedKey.clear();
m_homepages.clear();
m_servers.clear();
m_pageViewRegexes.clear();
m_httpsRequestRegexes.clear();
m_preemptiveReconnectLifetimeMilliseconds = PREEMPTIVE_RECONNECT_LIFETIME_MILLISECONDS_DEFAULT;
m_localHttpProxyPort = 0;
m_localHttpsProxyPort = 0;
m_localSocksProxyPort = 0;
Json::Value config;
Json::Reader reader;
bool parsingSuccessful = reader.parse(config_json, config);
if (!parsingSuccessful)
{
string fail = reader.getFormattedErrorMessages();
my_print(NOT_SENSITIVE, false, _T("%s:%d: Page view regex parse failed: %S"), __TFUNCTION__, __LINE__, fail.c_str());
return false;
}
try
{
// Homepages
Json::Value homepages = config["homepages"];
for (Json::Value::ArrayIndex i = 0; i < homepages.size(); i++)
{
m_homepages.push_back(UTF8ToWString(homepages[i].asString()));
}
// Upgrade
m_upgradeVersion = config.get("upgrade_client_version", "").asString();
// Servers
Json::Value servers = config["encoded_server_list"];
for (Json::Value::ArrayIndex i = 0; i < servers.size(); i++)
{
m_servers.push_back(servers[i].asString());
}
// SSH and OSSH values
m_sshPort = config.get("ssh_port", 0).asInt();
m_sshUsername = config.get("ssh_username", "").asString();
m_sshPassword = config.get("ssh_password", "").asString();
m_sshHostKey = config.get("ssh_host_key", "").asString();
m_sshSessionID = config.get("ssh_session_id", "").asString();
m_sshObfuscatedPort = config.get("ssh_obfuscated_port", 0).asInt();
m_sshObfuscatedKey = config.get("ssh_obfuscated_key", "").asString();
// VPN PSK
m_psk = config.get("l2tp_ipsec_psk", "").asString();
// Page view regexes
Json::Value regexes = config["page_view_regexes"];
for (Json::Value::ArrayIndex i = 0; i < regexes.size(); i++)
{
RegexReplace rx_re;
rx_re.regex = regex(
regexes[i].get("regex", "").asString(),
regex::ECMAScript | regex::icase | regex::optimize);
rx_re.replace = regexes[i].get("replace", "").asString();
m_pageViewRegexes.push_back(rx_re);
}
// HTTPS request regexes
regexes = config["https_request_regexes"];
for (Json::Value::ArrayIndex i = 0; i < regexes.size(); i++)
{
RegexReplace rx_re;
rx_re.regex = regex(
regexes[i].get("regex", "").asString(),
regex::ECMAScript | regex::icase | regex::optimize);
rx_re.replace = regexes[i].get("replace", "").asString();
m_httpsRequestRegexes.push_back(rx_re);
}
// Preemptive Reconnect Lifetime Milliseconds
m_preemptiveReconnectLifetimeMilliseconds = (DWORD)config.get("preemptive_reconnect_lifetime_milliseconds", 0).asUInt();
// A zero value indicates that it should be disabled.
}
catch (exception& e)
{
my_print(NOT_SENSITIVE, false, _T("%s:%d: Config parse exception: %S"), __TFUNCTION__, __LINE__, e.what());
return false;
}
return true;
}
void HttpInterface::evVariableOrEvent(HttpRequest* req, strings& args)
{
string nodeName(args[0]);
size_t eventPos;
if ( ! commonDefinitions.events.contains(UTF8ToWString(args[1]), &eventPos))
{
// this is a variable
if (req->method.find("POST") == 0 || args.size() >= 3)
{
// set variable value
strings values;
if (args.size() >= 3)
values.assign(args.begin()+1, args.end());
else
{
// Parse POST form data
values.push_back(args[1]);
parse_json_form(req->content, values);
}
if (values.size() == 0)
{
finishResponse(req, 404, "");
if (verbose)
cerr << req << " evVariableOrEevent 404 can't set variable " << args[0] << ", no values" << endl;
return;
}
sendSetVariable(nodeName, values);
finishResponse(req, 200, "");
if (verbose)
cerr << req << " evVariableOrEevent 200 set variable " << values[0] << endl;
}
else
{
// get variable value
strings values;
values.assign(args.begin()+1, args.begin()+2);
unsigned source, start;
if ( ! getNodeAndVarPos(nodeName, values[0], source, start))
{
finishResponse(req, 404, "");
if (verbose)
cerr << req << " evVariableOrEevent 404 no such variable " << values[0] << endl;
return;
}
sendGetVariables(nodeName, values);
pendingVariables[std::make_pair(source,start)].insert(req);
if (verbose)
cerr << req << " evVariableOrEevent schedule var " << values[0]
<< "(" << source << "," << start << ") add " << req << " to subscribers" << endl;
return;
}
}
else
{
// this is an event
// arguments are args 1..N
strings data;
data.push_back(args[1]);
if (args.size() >= 3)
for (size_t i=2; i<args.size(); ++i)
data.push_back((args[i].c_str()));
else if (req->method.find("POST") == 0)
{
// Parse POST form data
parse_json_form(std::string(req->content, req->content.size()), data);
}
sendEvent(nodeName, data);
finishResponse(req, 200, ""); // or perhaps {"return_value":null,"cmd":"sendEvent","name":nodeName}?
return;
}
}
