// replay a particular http request
void TReplaySrv::ReplayHttpRq(const PHttpRq& HttpRq)
{
PUrl HttpRqUrl = HttpRq->GetUrl();
// extract function name
TStr FunNm = HttpRqUrl->GetPathSeg(0);
// extract parameters
TStrKdV FldNmValPrV;
PUrlEnv HttpRqUrlEnv = HttpRq->GetUrlEnv();
const int Keys = HttpRqUrlEnv->GetKeys();
for (int KeyN = 0; KeyN < Keys; KeyN++) {
TStr KeyNm = HttpRqUrlEnv->GetKeyNm(KeyN);
const int Vals = HttpRqUrlEnv->GetVals(KeyN);
for (int ValN = 0; ValN < Vals; ValN++) {
TStr Val = HttpRqUrlEnv->GetVal(KeyN, ValN);
FldNmValPrV.Add(TStrKd(KeyNm, Val));
}
}
// processed requested function
if (!FunNm.Empty()) {
// prepare request environment
PSAppSrvRqEnv RqEnv = TSAppSrvRqEnv::New(this, TUInt64::Mx, HttpRq, FunNmToFunH);
// retrieve function
PSAppSrvFun SrvFun = FunNmToFunH.GetDat(FunNm);
// call function
SrvFun->Exec(FldNmValPrV, RqEnv);
}
}
// a http request is received. process it using the standard TSAppSrv method
// and then optionally also save the request to the log file
void TReplaySrv::OnHttpRq(const uint64& SockId, const PHttpRq& HttpRq)
{
// if we are logging requests then log it
if (!SOut.Empty()) {
try {
PUrl HttpRqUrl = HttpRq->GetUrl();
TStr FunNm = HttpRqUrl->GetPathSeg(0);
if (LoggingFunNmH.IsKey(FunNm)) {
THttpReqSerInfo ReqInfo(HttpRq);
ReqInfo.Save(*SOut);
if (FlushEachRequest)
SOut->Flush();
}
}
catch (PExcept Except) {
TFileNotify Notify("ReplaySrvError.txt");
Notify.OnNotifyFmt(ntErr, "TReplaySrv::OnHttpRq. Exception %s.", Except->GetMsgStr().CStr());
Notify.OnNotifyFmt(ntErr, "TReplaySrv::OnHttpRq. Location info: \n%s.", Except->GetLocStr().CStr());
}
catch (...) {
TFileNotify Notify("ReplaySrvError.txt");
Notify.OnNotify(ntErr, "TReplaySrv::OnHttpRq. Unrecognized exception.");
}
}
// only after we've logged the request we also execute it - otherwise we could process the request and crash before saving the data
TSAppSrv::OnHttpRq(SockId, HttpRq);
}
//////////////////////////////////////
// File-Download-Function
PSIn TSASFunFPath::ExecSIn(const TStrKdV& FldNmValPrV,
const PSAppSrvRqEnv& RqEnv, TStr& ContTypeStr) {
// construct file name
TStr FNm = FPath;
PUrl Url = RqEnv->GetHttpRq()->GetUrl();
const int PathSegs = Url->GetPathSegs();
if ((PathSegs == 1) || (PathSegs == 2 && Url->GetPathSeg(1).Empty())) {
// nothing specified, do the default
TStr PathSeg = Url->GetPathSeg(0);
if (PathSeg.LastCh() != '/') { FNm += "/"; }
FNm += DefaultFNm;
} else {
// extract file name
for (int PathSegN = 1; PathSegN < PathSegs; PathSegN++) {
FNm += "/"; FNm += Url->GetPathSeg(PathSegN);
}
}
// get mime-type
TStr FExt = FNm.GetFExt();
if (FExt == ".htm") { ContTypeStr = THttp::TextHtmlFldVal; }
else if (FExt == ".html") { ContTypeStr = THttp::TextHtmlFldVal; }
else if (FExt == ".js") { ContTypeStr = THttp::TextJavaScriptFldVal; }
else if (FExt == ".css") { ContTypeStr = THttp::TextCssFldVal; }
else if (FExt == ".ico") { ContTypeStr = THttp::ImageIcoFldVal; }
else if (FExt == ".png") { ContTypeStr = THttp::ImagePngFldVal; }
else if (FExt == ".jpg") { ContTypeStr = THttp::ImageJpgFldVal; }
else if (FExt == ".jpeg") { ContTypeStr = THttp::ImageJpgFldVal; }
else if (FExt == ".gif") { ContTypeStr = THttp::ImageGifFldVal; }
else {
printf("Unknown MIME type for extension '%s' for file '%s'", FExt.CStr(), FNm.CStr());
ContTypeStr = THttp::AppOctetFldVal;
}
// return stream to the file
return TFIn::New(FNm);
}
void TSASFunRedirect::Exec(const TStrKdV& FldNmValPrV, const PSAppSrvRqEnv& RqEnv) {
PUrl Url = RqEnv->GetHttpRq()->GetUrl();
TStr FunNm = (Url->GetPathSegs() > 1) ? Url->GetPathSeg(1) : "";
EAssert(MapH.IsKey(FunNm));
const TRedirect& Redirect = MapH.GetDat(FunNm);
TStrKdV _FldNmValPrV = Redirect.FldNmValPrV;
for (int FldN = 0; FldN < FldNmValPrV.Len(); FldN++) {
TStr OrgFldNm = FldNmValPrV[FldN].Key;
if (Redirect.FldNmMapH.IsKey(OrgFldNm)) {
_FldNmValPrV.Add(TStrKd(Redirect.FldNmMapH.GetDat(OrgFldNm), FldNmValPrV[FldN].Dat));
}
}
RqEnv->ExecFun(Redirect.FunNm, _FldNmValPrV);
}
void TSAppSrv::OnHttpRq(const uint64& SockId, const PHttpRq& HttpRq) {
// last appropriate error code, start with bad request
int ErrStatusCd = THttp::BadRqStatusCd;
try {
// check http-request correctness - return if error
EAssertR(HttpRq->IsOk(), "Bad HTTP request!");
// check url correctness - return if error
PUrl HttpRqUrl = HttpRq->GetUrl();
EAssertR(HttpRqUrl->IsOk(), "Bad request URL!");
// extract function name
TStr FunNm = HttpRqUrl->GetPathSeg(0);
// check if we have the function registered
if (FunNm == "favicon.ico") {
PHttpResp HttpResp = THttpResp::New(THttp::OkStatusCd,
THttp::ImageIcoFldVal, false, Favicon.GetSIn());
SendHttpResp(SockId, HttpResp);
return;
} else if (!FunNm.Empty() && !FunNmToFunH.IsKey(FunNm)) {
ErrStatusCd = THttp::ErrNotFoundStatusCd;
GetNotify()->OnStatusFmt("[AppSrv] Unknown function '%s'!", FunNm.CStr());
TExcept::Throw("Unknown function '" + FunNm + "'!");
}
// extract parameters
PUrlEnv HttpRqUrlEnv = HttpRq->GetUrlEnv();
TStrKdV FldNmValPrV; HttpRqUrlEnv->GetKeyValPrV(FldNmValPrV);
// report call
if (ShowParamP) { GetNotify()->OnStatus(HttpRq->GetUrl()->GetUrlStr()); }
// request parsed well, from now on it's internal error
ErrStatusCd = THttp::InternalErrStatusCd;
// processed requested function
if (!FunNm.Empty()) {
// prepare request environment
PSAppSrvRqEnv RqEnv = TSAppSrvRqEnv::New(this, SockId, HttpRq, FunNmToFunH);
// retrieve function
PSAppSrvFun SrvFun = FunNmToFunH.GetDat(FunNm);
// call function
SrvFun->Exec(FldNmValPrV, RqEnv);
} else {
// internal SAppSrv call
if (!ListFunP) {
// we are not allowed to list functions
ErrStatusCd = THttp::ErrNotFoundStatusCd;
TExcept::Throw("Unknown page");
}
// prepare a list of registered functions
PJsonVal FunArrVal = TJsonVal::NewArr();
int KeyId = FunNmToFunH.FFirstKeyId();
while (FunNmToFunH.FNextKeyId(KeyId)) {
FunArrVal->AddToArr(TJsonVal::NewObj("name", FunNmToFunH.GetKey(KeyId)));
}
PJsonVal ResVal = TJsonVal::NewObj();
ResVal->AddToObj("port", GetPortN());
ResVal->AddToObj("connections", GetConns());
ResVal->AddToObj("functions", FunArrVal);
TStr ResStr = ResVal->SaveStr();
// prepare response
PHttpResp HttpResp = THttpResp::New(THttp::OkStatusCd,
THttp::AppJSonFldVal, false, TMIn::New(ResStr));
// send response
SendHttpResp(SockId, HttpResp);
}
} catch (PExcept Except) {
// known internal error
TNotify::StdNotify->OnNotifyFmt(ntErr, "Error: %s", Except->GetMsgStr().CStr());
TNotify::StdNotify->OnNotifyFmt(ntErr, "Error location info: %s", Except->GetLocStr().CStr());
PJsonVal ErrorVal = TJsonVal::NewObj();
ErrorVal->AddToObj("message", Except->GetMsgStr());
ErrorVal->AddToObj("location", Except->GetLocStr());
PJsonVal ResVal = TJsonVal::NewObj("error", ErrorVal);
TStr ResStr = ResVal->SaveStr();
// prepare response
PHttpResp HttpResp = THttpResp::New(ErrStatusCd,
THttp::AppJSonFldVal, false, TMIn::New(ResStr));
// send response
SendHttpResp(SockId, HttpResp);
} catch (...) {
TNotify::StdNotify->OnNotify(ntErr, "Unknown internal error");
// unknown internal error
PJsonVal ResVal = TJsonVal::NewObj("error", "Unknown internal error");
TStr ResStr = ResVal->SaveStr();
// prepare response
PHttpResp HttpResp = THttpResp::New(ErrStatusCd,
THttp::AppJSonFldVal, false, TMIn::New(ResStr));
// send response
SendHttpResp(SockId, HttpResp);
}
}
void TSAppSrv::OnHttpRq(const uint64& SockId, const PHttpRq& HttpRq) {
// last appropriate error code, start with bad request
int ErrStatusCd = THttp::BadRqStatusCd;
try {
// check http-request correctness - return if error
EAssertR(HttpRq->IsOk(), "Bad HTTP request!");
// check url correctness - return if error
PUrl RqUrl = HttpRq->GetUrl();
EAssertR(RqUrl->IsOk(), "Bad request URL!");
// extract function name
PUrl HttpRqUrl = HttpRq->GetUrl();
TStr FunNm = HttpRqUrl->GetPathSeg(0);
// check if we have the function registered
if (FunNm == "favicon.ico") {
PHttpResp HttpResp = THttpResp::New(THttp::OkStatusCd,
THttp::ImageIcoFldVal, false, Favicon.GetSIn());
SendHttpResp(SockId, HttpResp);
return;
} else if (!FunNm.Empty() && !FunNmToFunH.IsKey(FunNm)) {
ErrStatusCd = THttp::ErrNotFoundStatusCd;
GetNotify()->OnStatusFmt("[AppSrv] Unknown function '%s'!", FunNm.CStr());
TExcept::Throw("Unknown function '" + FunNm + "'!");
}
// extract parameters
TStrKdV FldNmValPrV;
PUrlEnv HttpRqUrlEnv = HttpRq->GetUrlEnv();
const int Keys = HttpRqUrlEnv->GetKeys();
for (int KeyN = 0; KeyN < Keys; KeyN++) {
TStr KeyNm = HttpRqUrlEnv->GetKeyNm(KeyN);
const int Vals = HttpRqUrlEnv->GetVals(KeyN);
for (int ValN = 0; ValN < Vals; ValN++) {
TStr Val = HttpRqUrlEnv->GetVal(KeyN, ValN);
FldNmValPrV.Add(TStrKd(KeyNm, Val));
}
}
// report call
if (ShowParamP) { GetNotify()->OnStatus(" " + HttpRq->GetUrl()->GetUrlStr()); }
// request parsed well, from now on it's internal error
ErrStatusCd = THttp::InternalErrStatusCd;
// processed requested function
if (!FunNm.Empty()) {
// prepare request environment
PSAppSrvRqEnv RqEnv = TSAppSrvRqEnv::New(this, SockId, HttpRq, FunNmToFunH);
// retrieve function
PSAppSrvFun SrvFun = FunNmToFunH.GetDat(FunNm);
// call function
SrvFun->Exec(FldNmValPrV, RqEnv);
} else {
// internal SAppSrv call
if (!ListFunP) {
// we are not allowed to list functions
ErrStatusCd = THttp::ErrNotFoundStatusCd;
TExcept::Throw("Unknown page");
}
// prepare a list of registered functions
PXmlTok TopTok = TXmlTok::New("registered-functions");
int KeyId = FunNmToFunH.FFirstKeyId();
while (FunNmToFunH.FNextKeyId(KeyId)) {
PXmlTok FunTok = TXmlTok::New("function");
FunTok->AddArg("name", FunNmToFunH.GetKey(KeyId));
TopTok->AddSubTok(FunTok);
}
TStr ResXmlStr; TXmlDoc::New(TopTok)->SaveStr(ResXmlStr);
PSIn BodySIn = TMIn::New(TSAppSrvFun::XmlHdStr + ResXmlStr);
// prepare response
PHttpResp HttpResp = THttpResp::New(THttp::OkStatusCd,
THttp::TextXmlFldVal, false, BodySIn);
// send response
SendHttpResp(SockId, HttpResp);
}
} catch (PExcept Except) {
// known internal error
PXmlTok TopTok = TXmlTok::New("error");
TopTok->AddSubTok(TXmlTok::New("message", Except->GetMsgStr()));
TopTok->AddSubTok(TXmlTok::New("location", Except->GetLocStr()));
PXmlDoc ErrorXmlDoc = TXmlDoc::New(TopTok);
TStr ResXmlStr; ErrorXmlDoc->SaveStr(ResXmlStr);
// prepare response
PHttpResp HttpResp = THttpResp::New(ErrStatusCd,
THttp::TextHtmlFldVal, false,
TMIn::New(TSAppSrvFun::XmlHdStr + ResXmlStr));
// send response
SendHttpResp(SockId, HttpResp);
} catch (...) {
// unknown internal error
PXmlDoc ErrorXmlDoc = TXmlDoc::New(TXmlTok::New("error"));
TStr ResXmlStr; ErrorXmlDoc->SaveStr(ResXmlStr);
// prepare response
PHttpResp HttpResp = THttpResp::New(ErrStatusCd,
THttp::TextHtmlFldVal, false,
TMIn::New(TSAppSrvFun::XmlHdStr + ResXmlStr));
// send response
SendHttpResp(SockId, HttpResp);
}
}
void TSAppSrv::OnHttpRq(const int& SockId, const PHttpRq& HttpRq) {
PHttpResp HttpResp;
try {
// check http-request correctness - return if error
EAssertR(HttpRq->IsOk(), "Bad HTTP request!");
// check url correctness - return if error
PUrl RqUrl = HttpRq->GetUrl();
EAssertR(RqUrl->IsOk(), "Bad request URL!");
// extract function name
PUrl HttpRqUrl = HttpRq->GetUrl();
TStr FunNm = HttpRqUrl->GetPathSeg(0);
EAssertR(FunNmToFunH.IsKey(FunNm) || FunNm.Empty(), "Unknown function '" + FunNm + "' !");
// extract parameters
TStrKdV FldNmValPrV;
PUrlEnv HttpRqUrlEnv = HttpRq->GetUrlEnv();
const int Keys = HttpRqUrlEnv->GetKeys();
for (int KeyN = 0; KeyN < Keys; KeyN++) {
TStr KeyNm = HttpRqUrlEnv->GetKeyNm(KeyN);
const int Vals = HttpRqUrlEnv->GetVals(KeyN);
for (int ValN = 0; ValN < Vals; ValN++) {
TStr Val = HttpRqUrlEnv->GetVal(KeyN, ValN);
FldNmValPrV.Add(TStrKd(KeyNm, Val));
}
}
// log the call
TStr TimeNow = TTm::GetCurLocTm().GetWebLogDateTimeStr(true);
GetNotify()->OnStatus(TStr::Fmt("[%s] Request %s", TimeNow.CStr(), FunNm.CStr()));
// prepare request environment
PSAppSrvRqEnv RqEnv = TSAppSrvRqEnv::New(this, SockId, HttpRq);
PSIn BodySIn; TStr ContTypeVal;
if (!FunNm.Empty()) {
// call function
PSAppSrvFun SrvFun = FunNmToFunH.GetDat(FunNm);
if (SrvFun->GetFunOutType() == saotXml) {
PXmlDoc ResXmlDoc = SrvFun->Exec(FldNmValPrV, RqEnv);
TStr ResXmlStr; ResXmlDoc->SaveStr(ResXmlStr);
//ResXmlDoc->SaveTxt(TFile::GetUniqueFNm("test.xml"));
BodySIn = TMIn::New(XmlHdStr + ResXmlStr);
ContTypeVal = THttp::TextXmlFldVal;
} else if (SrvFun->GetFunOutType() == saotJSon) {
TStr ResStr = SrvFun->ExecJSon(FldNmValPrV, RqEnv);
BodySIn = TMIn::New(ResStr);
//ContTypeVal = THttp::TextHtmlFldVal;
ContTypeVal = THttp::AppJSonFldVal;
} else {
BodySIn = SrvFun->ExecCustom(FldNmValPrV, RqEnv, ContTypeVal);
}
} else {
PXmlTok TopTok = TXmlTok::New("registered-functions");
int KeyId = FunNmToFunH.FFirstKeyId();
while (FunNmToFunH.FNextKeyId(KeyId)) {
PXmlTok FunTok = TXmlTok::New("function");
FunTok->AddArg("name", FunNmToFunH.GetKey(KeyId));
TopTok->AddSubTok(FunTok);
}
PXmlDoc ResXmlDoc = TXmlDoc::New(TopTok);
TStr ResXmlStr; ResXmlDoc->SaveStr(ResXmlStr);
BodySIn = TMIn::New(XmlHdStr + ResXmlStr);
ContTypeVal = THttp::TextXmlFldVal;
}
// prepare response
HttpResp = THttpResp::New(THttp::OkStatusCd,
ContTypeVal, false, BodySIn);
// send response
} catch (PExcept Except) {
PXmlTok TopTok = TXmlTok::New("error");
TopTok->AddSubTok(TXmlTok::New("message", Except->GetMsgStr()));
TopTok->AddSubTok(TXmlTok::New("location", Except->GetLocStr()));
PXmlDoc ErrorXmlDoc = TXmlDoc::New(TopTok);
TStr ResXmlStr; ErrorXmlDoc->SaveStr(ResXmlStr);
HttpResp = THttpResp::New(THttp::OkStatusCd,
THttp::TextHtmlFldVal, false,
TMIn::New(XmlHdStr + ResXmlStr));
} catch (...) {
PXmlDoc ErrorXmlDoc = TXmlDoc::New(TXmlTok::New("error"));
TStr ResXmlStr; ErrorXmlDoc->SaveStr(ResXmlStr);
HttpResp = THttpResp::New(THttp::OkStatusCd,
THttp::TextHtmlFldVal, false,
TMIn::New(XmlHdStr + ResXmlStr));
}
SendHttpResp(SockId, HttpResp);
}
