IHTTPStream & WinHttpStream::connect()
{
if (method == ConstStrA("GET") || method == ConstStrA("HEAD"))
setState(stReadResponse);
else
setState(stWriteRequest);
return *this;
}
void HttpReqImpl::logRequest(natural reqTime)
{
LogObject(THISLOCATION).progress("%7 - %10 %3 %4 HTTP/%1.%2 %5 %6 %8 (%9 ms)")
<< httpMajVer << httpMajVer << ConstStrA(method)
<< ConstStrA(path) << statusCode << statusMsg
<< getIfc<IHttpPeerInfo>().getPeerRealAddr()
<< requestName
<< reqTime
<< host;
}
void HttpClient::proxyConnect(PNetworkStream stream, ConstStrA host, ConstStrA authorization) {
if (host.find(':') == naturalNull) {
return proxyConnect(stream,StringA(host+ConstStrA(":443")),authorization);
}
PNetworkStream nstream = new BufferedNetworkStream(stream);
HttpRequest req(stream.get(), host, mCONNECT, !useHTTP10);
if (!authorization.empty()) {
req.setHeader(fldProxyAuthorization,authorization);
}
req.closeOutput();
class ResponseResult: public IHttpResponseCB {
public:
virtual void storeStatus(natural statusCode, ConstStrA statusMessage) {
status = statusCode;
statusMsg.append(statusMessage);
}
virtual void storeHeaderLine(ConstStrA, ConstStrA) {
}
natural status;
AutoArray<char, SmallAlloc<32> > statusMsg;
};
ResponseResult res;
HttpResponse resp(stream.get(),res,HttpResponse::readHeadersNow);
if (status != 200)
throw HttpStatusException(THISLOCATION,host,res.status, res.statusMsg);
}
ITCPServerConnHandler::Command HttpReqImpl::onData(NStream& stream, EventType eventType, natural reason) {
inout = &stream;
try {
if (curHandler != nil) {
evType = eventType;
wakeUpReason = reason;
natural res = curHandler->onData(*this);
return processHandlerResponse(res);
} else if (eventType == evDataReady) {
//only evDataReady is expected
evType = evRequest;
return readHeader();
} else {
//otherwise it is invalid
return ITCPServerConnHandler::cmdRemove;
}
} catch (HttpStatusException &e) {
LogObject lg(THISLOCATION);
lg.note("Status set by exception: %1") << e.getMessage();
useHTTP11(false);
if (inout != 0) errorPage(e.getStatus(),e.getStatusMsg().getUtf8(),ConstStrA());
return ITCPServerConnHandler::cmdRemove;
} catch (LightSpeed::NotImplementedExcption &e) {
LogObject lg(THISLOCATION);
lg.note("Http unhandled exception: %1") << e.getMessage();
useHTTP11(false);
if (inout != 0) errorPage(501,ConstStrA(),e.getMessage().getUtf8());
return ITCPServerConnHandler::cmdRemove;
} catch (std::exception &e) {
LogObject lg(THISLOCATION);
lg.note("Http unhandled exception: %1") << e.what();
useHTTP11(false);
if (inout != 0) errorPage(500,ConstStrA(),e.what());
return ITCPServerConnHandler::cmdRemove;
} catch (...) {
LogObject lg(THISLOCATION);
lg.note("Http unhandled exception: ...") ;
useHTTP11(false);
if (inout != 0) errorPage(500,ConstStrA());
return ITCPServerConnHandler::cmdRemove;
}
}
bool IniConfigT::Section::get(natural &val, const ConstStrA &var, natural index) const {try {
const Str *r = getValue(var,index);
if (r) {
parser(" %1 ",ConstStrA(*r));
val = parser[1];
}
return r != 0;
} catch (...) {
Exception::rethrow(THISLOCATION);throw;
}}
natural WinHttpStream::write( const void *buffer, natural size )
{
postBuffer.append(ArrayRef<const byte>(reinterpret_cast<const byte *>(buffer),size));
if (method == ConstStrA("GET")) method = ConstStrA("POST");
/*
if (curState == stIdle) {
setState(stWriteRequest);
}
TMWatch _w(*this);
DWORD rd;
BOOL res = InternetWriteFile(hHTTPConn,buffer,size,&rd);
DWORD err = GetLastError();
if (res == FALSE) {
throw FileMsgException(THISLOCATION,err,url,"Write failed");
}*/
return size;
}
IniConfigT::Iterator::Iterator(const FieldMap &container, ConstStrA section, ConstStrA prefix)
:innerIter(container.seek(SectionField(section,ConstStrA()))) {
if (innerIter.hasItems()) {
const FieldMap::Entity &e = innerIter.peek();
if (e.key.section == section) {
this->section = e.key.section;
if (e.key.field.head(prefix.length()) == prefix) {
prefix = e.key.field.head(prefix.length());
}
}
}
}
integer ServiceApp::onMessage(ConstStrA command, const Args & args, SeqFileOutput output)
{
if (command == ConstStrA(restartCmd) || command == ConstStrA(startForeCmd)) {
return onMessage(startCmd,args,output);
}
if (command == ConstStrA(stopCmd)) {
stop();
return 0;
}
if (command == ConstStrA(statusCmd)) {
PrintTextA print(output);
print("Service is running\n");
return 0;
}
if (command == ConstStrA(startCmd))
return 0;
if (command == ConstStrA("restartDaemon")) {
instance->restartDaemon();
}
return integerNull;
}
ConstValue LocalView::searchOneKey(const ConstValue &key) const {
KeyToValue::Iterator iter = keyToValueMap.seek(KeyAndDocId(key, ConstStrA()));
Container res = json.array();
while (iter.hasItems()) {
const KeyToValue::KeyValue &kv = iter.getNext();
if (compareJson(key, kv.key.key) != cmpResultEqual) break;
res.add(json("id",kv.key.docId)
("key",kv.key.key)
("value",kv.value.value)
("doc",kv.value.doc));
}
return res;
}
void HttpReqImpl::redirect(ConstStrA url, int code) {
if (code == 0) {
if (url.head(1) == ConstStrA('+')) code = 301;
else code = 307;
}
TextParser<char> parser;
if (parser("%[a-z]0://%",url)) {
header(fldLocation, url);
} else {
StringA absurl = getAbsoluteUrl(url);
header(fldLocation, absurl);
}
header(fldContentLength, "0");
status(code);
sendHeaders();
}
bool IniConfigT::Section::get(bool &val, const ConstStrA &var, natural index) const {try {
const Str *r = getValue(var,index);
if (r) {
if (*r == ConstStrA("true") || *r == ConstStrA("yes") || *r == ConstStrA("on"))
val = true;
else if (*r == ConstStrA("false") || *r == ConstStrA("no") || *r == ConstStrA("off"))
val = false;
else {
natural v;
parser(" %1 ",ConstStrA(*r));
v = parser[1];
val = v == 0?false:true;
}
}
return r != 0;
} catch (...) {
Exception::rethrow(THISLOCATION);throw;
}}
static void couchStoreAndRetrieveAttachment(PrintTextA &a) {
CouchDB db(getTestCouch());
db.use(DATABASENAME);
Document doc = db.newDocument(".data");
db.uploadAttachment(doc,"testAttachment","text/plain",[](SeqFileOutput wr) {
SeqTextOutA txtwr(wr);
ConstStrA sentence("The quick brown fox jumps over the lazy dog");
txtwr.blockWrite(sentence,true);
});
Document doc2 = db.retrieveDocument(doc.getID());
AttachmentData data = db.downloadAttachment(doc2,"testAttachment");
a("%1-%2") << data.contentType << ConstStrA(reinterpret_cast<const char *>(data.data()),data.length());
}
void HttpReqImpl::clear() {
method = ConstStrA();
requestHdrs.clear();
responseHdrs.clear();
hdrPool.clear();
responseHdrPool.clear();
statusMsg = HdrStr();
curHandler = nil;
bHeaderSent = false;
isHeadMethod = false;
useChunked = false;
inout = 0;
remainPostData = 0;
chunkedPost = false;
requestContext = nil;
statusCode=200;
postBodyLimit = naturalNull;
switchedProtocol = false;
requestName = HdrStr();
}
ConstStrA WinHttpStream::getHeader( ConstStrA field )
{
class FillHdrMap: public IEnumHeaders {
public:
HeaderMap &hdrmap;
FillHdrMap(HeaderMap &hdrmap):hdrmap(hdrmap) {}
virtual bool operator()(ConstStrA field, ConstStrA value) {
hdrmap.insert(field, value);
return false;
}
};
if (curState != stReadResponse) {
setState(stReadResponse);
hdrmap.clear();
FillHdrMap x(hdrmap);
enumHeaders(x);
}
StringA *k = hdrmap.find(StringAI(field));
if (k == 0) return ConstStrA();
else return *k;
}
bool ServiceApp::processRequest(const void *request)
{
const char *p = reinterpret_cast<const char*>(request);
natural count = *p++;
ConstStrA command(p);
p += command.length() + 1;
AutoArray<String,StaticAlloc<256> > params;
AutoArray<ConstStrW,StaticAlloc<256> > wparams;
for(natural i = 0;i < count;i++){
ConstStrA param(p);
p += param.length() + 1;
params.add(String(param));
wparams.add(ConstStrW(params[i]));
}
AutoArray<byte> output;
output.resize(instance->getReplyMaxSize());
SeqOutputBuffer fakeout(output.data() + sizeof (integer), output.length() - sizeof (integer));
fakeout.setStaticObj();
integer res = -1;
bool stop = false;
SeqFileOutput out(&fakeout);
try {
res = onMessage(command, wparams, out);
stop = command == ConstStrA(stopCmd);
}
catch(std::exception & e){
TextOut<SeqFileOutput> msg(out);
msg("%1") << e.what();
res = -1;
}
try {
*reinterpret_cast<integer*>(output.data()) = res;
instance->sendReply(output.data(), fakeout.length() + sizeof (integer));
}
catch(...){
}
return !stop;
}
static ConstStrA getStatusMessage(natural status) {
char buff[3];
if (status >= 100 && status <= 999) {
buff[0] = status / 100 + '0';
buff[1] = (status / 10) % 10 + '0';
buff[2] = status % 10 + '0';
ConstStrA srchText(buff, 3);
natural l = 0, h = countof(statusMessages);
while (l < h) {
natural m = (l + h) / 2;
ConstStrA msg = statusMessages[m];
ConstStrA code = msg.head(3);
if (code > srchText)
h = m;
else if (code < srchText)
l = m + 1;
else
return msg.offset(4);
}
}
return ConstStrA("Unknown status code");
}
ITCPServerConnHandler::Command HttpReqImpl::finishReadHeader() {
TextParser<char,StaticAlloc<256> > parser;
//open output and input, we need stream to show error pages
outputClosed = false;
inputClosed = false;
isHeadMethod = ConstStrA(method) == "HEAD";
closeConn = httpMinVer == 0;
//check connection
HeaderValue strconn = getHeaderField(fldConnection);
if (strconn.defined) {
if (strconn == "close") closeConn = true;
}
//check content length
HeaderValue strsize = getHeaderField(fldContentLength);
if (strsize.defined && parser(" %u1 ", strsize)) {
remainPostData = parser[1];
} else {
remainPostData = 0;
}
//check chunked POST
HeaderValue strchunked = getHeaderField(fldTransferEncoding);
if (strchunked.defined != 0 && strchunked == "chunked") {
chunkedPost = true;
remainPostData = 0; //remainPostData is used to count chunks
} else {
chunkedPost = false;
}
//check expectation for 100-continue
HeaderValue strexpect = getHeaderField(fldExpect);
if (strexpect.defined != 0) {
if (strexpect == "100-continue" || strexpect == "100-Continue") {
bNeedContinue = true;
} else {
return errorPageKA(417);
}
} else {
bNeedContinue = false;
}
//check host
ConstStrA vpath = path;
host = getHeaderField(fldHost);
if (!mapHost(host, vpath)) {
return errorPageKA(404);
}
if (vpath.empty()) {
redirect("+/");
return processHandlerResponse(0);
}
//find handler
IHttpHandler *h;
curHandler = nil;
natural res = callHandler( vpath, &h);
if (h == 0) return errorPageKA(404);
if (curHandler == nil) curHandler = h; //need this to correctly handle forward function
return processHandlerResponse(res);
}
ITCPServerConnHandler::Command HttpReqImpl::readHeader() {
try {
AutoArray<char, SmallAlloc<8192> > linebuff;
NStream::Buffer &buffer = inout->getBuffer();
natural fetched = buffer.fetch();
if (fetched == 0) {
errorPage(413,ConstStrA(),"Header is too large");
return ITCPServerConnHandler::cmdRemove;
}
natural pos = buffer.lookup(ConstBin("\r\n"),fetched);
while (pos != naturalNull) {
linebuff.resize(pos+2);
buffer.read(linebuff.data(),pos+2);
ConstStrA line = linebuff.head(pos);
if (method.empty()) {
if (pos == 0) return ITCPServerConnHandler::cmdWaitRead;
reqBeginTime = TimeStamp::now();
reportDuration = true;
cropWhite(line);
ConstStrA::SplitIterator splt = line.split(' ');
method = hdrPool.add(ConstStrA(splt.getNext()));
path = hdrPool.add(ConstStrA(splt.getNext()));
while (path.empty()) path = hdrPool.add(ConstStrA(splt.getNext()));
protocol = hdrPool.add(ConstStrA(splt.getNext()));
while (protocol.empty()) protocol = hdrPool.add(ConstStrA(splt.getNext()));
//parse some fields
TextParser<char,StaticAlloc<256> > parser;
//check http version
if (parser("HTTP/%u1.%u2",protocol)) {
httpMajVer = (unsigned short)((natural)parser[1]);
httpMinVer = (unsigned short)((natural)parser[2]);
if (httpMajVer != 1 || (httpMinVer != 0 && httpMinVer != 1))
return errorPageKA(505);
useHTTP11(httpMinVer == 1);
} else {
return errorPageKA(400,StringA(ConstStrA("Unknown protocol: ")+ protocol));
}
} else if (line.empty()) {
return finishReadHeader();
} else {
natural dblcolon = line.find(':');
if (dblcolon == naturalNull) {
errorPage(400,ConstStrA(),"line");
return ITCPServerConnHandler::cmdRemove;
}
ConstStrA field = line.head(dblcolon);
ConstStrA value = line.offset(dblcolon+1);
cropWhite(field);
cropWhite(value);
requestHdrs.insert(hdrPool.add(field),hdrPool.add(value));
}
pos = buffer.lookup(ConstBin("\r\n"));
}
return ITCPServerConnHandler::cmdWaitRead;
} catch (AllocatorLimitException &) {
errorPage(413,ConstStrA(),"Header is too large (4096 bytes)");
return ITCPServerConnHandler::cmdRemove;
}
}
integer ServiceApp::startCommand(ConstStrA command, const Args & args, SeqFileOutput &serr) {
if (command == ConstStrA(startCmd)) {
integer x = validateService(args,serr);
if (x) return x;
createInstanceFile();
x = onMessage(command,args,serr);
if (x) return x;
x = initService(args,serr);
if (x) return x;
serr = nil;
instance->enterDaemonMode(restartDelaySec);
return startService();
} else if (command == ConstStrA(startForeCmd)) {
integer x = validateService(args,serr);
if (x) return x;
createInstanceFile();
x = onMessage(command,args,serr);
if (x) return x;
x = initService(args,serr);
if (x) return x;
return startService();
} else if (command == ConstStrA(restartCmd)){
integer x = validateService(args,serr);
if (x) return x;
try {
instance->open();
postMessage(stopCmd,Args(), serr);
instance->waitForTerminate(timeout);
} catch (ProgInstance::NotRunningException &) {
} catch (ProgInstance::TimeoutException &) {
instance->terminate();
instance->waitForTerminate(timeout);
}
createInstanceFile();
x = onMessage(command,args,serr);
if (x) return x;
x = initService(args,serr);
if (x) return x;
serr = nil;
instance->enterDaemonMode(restartDelaySec);
return startService();
} else if (command == ConstStrA(stopCmd)) {
try {
instance->open();
integer res = postMessage(command,args, serr);
if (res == 0) instance->waitForTerminate(timeout);
return res;
} catch (ProgInstance::TimeoutException &) {
instance->terminate();
return 0;
}
} else if (command == ConstStrA(waitCmd)) {
natural timeout = naturalNull;
if (!args.empty()) {
TextParser<wchar_t> parser;
if (parser(L" %u1 ",args[0])) timeout = parser[1];
}
instance->open();
instance->waitForTerminate(timeout);
}
else if (command == ConstStrA(testCmd)) {
integer x = validateService(args, serr);
return x;
} else if (command == ConstStrA(runTestsCmd)) {
if (args.empty())
return Singleton<TestCollector>::getInstance().runTests(ConstStrA(), serr);
else if (args[0] == ConstStrW(L"list")) {
SeqTextOutA out(serr);
TextOut<SeqTextOutA> print(out);
print("%1\n")<<(Singleton<TestCollector>::getInstance().listTests());
return 0;
}
else
return Singleton<TestCollector>::getInstance().runTests(args[1], serr);
} else {
instance->open();
return postMessage(command,args, serr);
}
return 0;
}
HeaderValue HttpReqImpl::getHeaderField(ConstStrA field) const {
const HdrStr *val = requestHdrs.find(field);
if (val == 0) return HeaderValue();
else return HeaderValue(ConstStrA(*val));
}
IniConfigT::Section IniConfigT::Section::openSection(const ConstStrA &name) const{
return Section(owner,StringA(section+ConstStrA(".")+name),ConstStrA());
}
ConstValue LocalView::searchRange(const ConstValue &startKey, const ConstValue &endKey,
natural groupLevel, bool descending, natural offset, natural limit, ConstStrA offsetDoc,
bool excludeEnd) const {
Shared _(lock);
KeyAndDocId startK(startKey,offsetDoc);
KeyAndDocId endK(endKey,excludeEnd?ConstStrA():ConstStrA("\xEF\xBF\xBF\xEF\xBF\xBF\xEF\xBF\xBF\xEF\xBF\xBF"));
KeyAndDocId *seekPos;
KeyAndDocId *stopPos;
Direction::Type dir;
if (descending) {
seekPos = &endK;
stopPos = &startK;
dir = Direction::backward;
} else {
seekPos = &startK;
stopPos = &endK;
dir = Direction::forward;
}
Optional<KeyToValue::Iterator> iter;
if (seekPos->key != null) {
iter = keyToValueMap.seek(*seekPos,0,dir);
} else {
if (descending) iter = keyToValueMap.getBkIter();
else iter = keyToValueMap.getFwIter();
}
Optional<KeyToValue::Iterator> iend;
if (stopPos->key != null) {
bool found;
iend = keyToValueMap.seek(*stopPos,&found,dir);
}
natural whLimit = naturalNull - offset < limit? offset+limit:naturalNull;
Container rows = json.array();
ConstValue grows;
while (iter->hasItems() && (iend == null || iend.value() != iter.value()) && whLimit > 0) {
const KeyToValue::KeyValue &kv = iter->getNext();
if (offset == 0)
rows.add(json("id",kv.key.docId)
("key",kv.key.key)
("value",kv.value.value)
("doc",kv.value.doc));
else
offset--;
whLimit --;
}
if (groupLevel != naturalNull) {
if (groupLevel == 0) {
grows = runReduce(rows);
} else {
Container res;
Container collect;
ConstValue lastKey = null;
res = json.array();
collect = json.array();
rows->enumEntries(JSON::IEntryEnum::lambda([&](const ConstValue &val, ConstStrA, natural){
ConstValue key = val["key"];
if (!canGroupKeys(key, lastKey)) {
if (lastKey != null) {
ConstValue z = runReduce(collect);
res.add(json("key",lastKey)("value", z));
}
lastKey = sliceKey(key, groupLevel, json);
collect.clear();
}
collect.add(val);
return false;
}));
if (!collect.empty()) {
ConstValue z = runReduce(collect);
res.add(json("key",lastKey)("value", z));
}
grows = res;
}
} else {
grows = rows;
}
return json("rows",grows)("total_rows",keyToValueMap.length());
}
bool WinHttpStream::canWrite() const
{
return (method != ConstStrA("GET") && method != ConstStrA("HEAD")) || hHTTPConn == 0;
}
ITCPServerConnHandler::Command HttpReqImpl::errorPageKA(natural code, ConstStrA expl) {
errorPage(code,ConstStrA(),expl);
finish();
return ITCPServerConnHandler::cmdRemove;
}
void HttpReqImpl::sendHeaders() {
if (bHeaderSent)
return;
if (bNeedContinue) {
remainPostData = 0;
chunkedPost = false;
}
bNeedContinue = false;
bool hasServer = false;
bool hasContentType = false;
bool hasTransfEnc = false;
bool hasConnection = false;
bool hasLength = false;
bool hasDate = false;
static ConstStrA contentTypeKey = getHeaderFieldName(fldContentType);
static ConstStrA serverKey = getHeaderFieldName(fldServer);
static ConstStrA transfEnc = getHeaderFieldName(fldTransferEncoding);
static ConstStrA connectionStr = getHeaderFieldName(fldConnection);
static ConstStrA contenLenStr = getHeaderFieldName(fldContentLength);
static ConstStrA dateStr = getHeaderFieldName(fldDate);
ConstStrA statusMsgStr = this->statusMsg;
if (statusMsgStr.empty())
statusMsgStr = getStatusMessage(statusCode);
PrintTextA print(*inout);
print.setNL("\r\n");
print("HTTP/%1.%2 %3 %4\n") << httpMajVer << httpMinVer << statusCode
<< statusMsgStr;
if (statusCode == 101) {
hasTransfEnc = hasConnection = hasContentType = true;
useChunked = false;
remainPostData = naturalNull;
switchedProtocol = true;
TimeStamp reqEndTime = TimeStamp::now();
natural reqTime = (reqEndTime - reqBeginTime).getMilis();
logRequest(reqTime);
}
for (HeaderMap::Iterator iter = responseHdrs.getFwIter(); iter.hasItems();) {
const HeaderMap::Entity hdrPair = iter.getNext();
if (!hasContentType && hdrPair.key == contentTypeKey)
hasContentType = true;
if (!hasServer && hdrPair.key == serverKey)
hasServer = true;
if (!hasTransfEnc && hdrPair.key == transfEnc)
hasTransfEnc = !(useChunked && hdrPair.value == ConstStrA("chunked"));
if (!hasConnection && hdrPair.key == connectionStr)
hasConnection = true;
if (!hasDate && hdrPair.key == dateStr)
hasDate = true;
if (!hasLength && hdrPair.key == contenLenStr) {
hasLength = true;
}
print("%1: %2\n") << ConstStrA(hdrPair.key) << ConstStrA(hdrPair.value);
}
if (!hasContentType)
print("%1: %2\n") << contentTypeKey << "text/html;charset=UTF-8";
if (!hasServer)
print("%1: %2\n") << serverKey << serverIdent;
if (hasLength) {
useChunked = false;
}
if (!hasDate) {
TimeStamp::RFC1123Time datenow = TimeStamp::now().asRFC1123Time();
print("%1: %2\n") << dateStr << ConstStrA(datenow);
}
if (!hasTransfEnc && useChunked && !closeConn)
print("%1: %2\n") << transfEnc << "chunked";
else
useChunked = false;
if (!hasConnection && closeConn)
print("%1: %2\n") << connectionStr << "close";
print("\n");
/* LogObject(THISLOCATION).progress("%7 - %3 %4 HTTP/%1.%2 %5 %6")
<< httpMajVer << httpMajVer << ConstStrA(method)
<< ConstStrA(path) << statusCode << statusMsgStr
<< getIfc<IHttpPeerInfo>().getPeerRealAddr();*/
responseHdrs.clear();
//for code 100 or 101, additional header will be next
if (statusCode == 100) {
//set status code 200 to simply processing reply (handler don't need to reset 100 status
statusCode = 200;
//unset message
this->statusMsg = HdrStr();
//now, handler can exit function with status 100 - when data arrives, onData will be called
} else {
//header sent, prevent sending new headers
bHeaderSent = true;
}
}
ConstStrA::Iterator IniConfigT::errorIncludeCB(ConstStrA) {
return ConstStrA().getFwIter();
}
