Echo request

{$mode objfpc} {$h+} { $DEFINE USEGNUTLS} {$DEFINE USEMICROHTTP} program simpleserver; {$IFDEF USEMICROHTTP} {$UNDEF USEGNUTLS} {$ENDIF} uses {$IFNDEF USEMICROHTTP} {$ifdef USEGNUTLS} gnutlssockets, {$else} opensslsockets, {$endif} custhttpapp, {$ELSE} cthreads, custmicrohttpapp, {$ENDIF} {$ifdef unix} baseunix, {$endif} sysutils,Classes, inifiles, sslbase, httproute, httpdefs, fpmimetypes, fpwebfile, fpwebproxy, webutil; Type { THTTPApplication } {$IFDEF USEMICROHTTP} TParentApp = TCustomMicroHTTPApplication; {$ELSE} TParentApp = TCustomHTTPApplication; {$ENDIF} THTTPApplication = Class(TParentApp) private FBaseDir: string; FIndexPageName: String; FMimeFile: String; FNoIndexPage: Boolean; FQuiet: Boolean; FBackground : Boolean; FPassword : string; FEcho : Boolean; procedure AddProxy(const aProxyDef: String); procedure DoEcho(ARequest: TRequest; AResponse: TResponse); procedure DoProxyLog(Sender: TObject; const aMethod, aLocation, aFromURL, aToURL: String); procedure Doquit(ARequest: TRequest; AResponse: TResponse); procedure LoadMimeTypes; procedure ProcessOptions; procedure ReadConfigFile(const ConfigFile: string); procedure Usage(Msg: String); procedure Writeinfo; published procedure DoLog(EventType: TEventType; const Msg: String); override; Procedure DoRun; override; property Quiet : Boolean read FQuiet Write FQuiet; Property MimeFile : String Read FMimeFile Write FMimeFile; Property BaseDir : string Read FBaseDir Write FBaseDir; Property NoIndexPage : Boolean Read FNoIndexPage Write FNoIndexPage; Property IndexPageName : String Read FIndexPageName Write FIndexPageName; end; Var Application : THTTPApplication; { THTTPApplication } procedure THTTPApplication.DoEcho(ARequest: TRequest; AResponse: TResponse); Var L : TStrings; begin L:=TStringList.Create; try L.AddStrings(['', '', '', 'Echo request', '', '' ]); DumpRequest(aRequest,L); L.AddStrings(['','']); AResponse.Content:=L.Text; AResponse.SendResponse; finally L.Free; end; end; procedure THTTPApplication.Doquit(ARequest: TRequest; AResponse: TResponse); Var PWD : String; begin PWD:=ARequest.QueryFields.Values['password']; if PWD='' then ARequest.ContentFields.Values['password']; if PWD=FPassword then begin AResponse.Content:='OK'; AResponse.SendContent; Terminate; end else begin AResponse.Code:=403; AResponse.CodeText:='Forbidden'; AResponse.SendContent; end; end; procedure THTTPApplication.DoLog(EventType: TEventType; const Msg: String); begin if Quiet then exit; if IsConsole then Writeln(FormatDateTime('yyyy-mm-dd hh:nn:ss.zzz',Now),' [',EventType,'] ',Msg) else inherited DoLog(EventType, Msg); end; procedure THTTPApplication.DoProxyLog(Sender: TObject; const aMethod, aLocation, aFromURL, aToURL: String); Var Msg : String; begin if Quiet then exit; Msg:=Format('(Proxy redirect) location: %s, Method: %s, From: %s, to: %s',[aLocation,aMethod,aFromURl,atoURL]); if IsConsole then Writeln(FormatDateTime('yyyy-mm-dd hh:nn:ss.zzz',Now),' [',etInfo,'] ',Msg) else inherited DoLog(etInfo, Msg); end; procedure THTTPApplication.Usage(Msg : String); begin if (Msg<>'') then Writeln('Error: ',Msg); Writeln('Usage ',ExtractFileName(ParamStr(0)),' [options] '); Writeln('Where options is one or more of : '); Writeln('-c --config=file Ini configuration file (default: simpleserver.ini)'); {$ifdef unix} Writeln('-b --background fork to background'); {$endif} Writeln('-d --directory=dir Base directory from which to serve files.'); Writeln(' Default is current working directory: ',GetCurrentDir); Writeln('-h --help This help text'); Writeln('-i --indexpage=name Directory index page to use (default: index.html)'); Writeln('-n --noindexpage Do not allow index page.'); Writeln('-p --port=NNNN TCP/IP port to listen on (default is 3000)'); Writeln('-m --mimetypes=file path of mime.types. Loaded in addition to OS known types'); Writeln('-q --quiet Do not write diagnostic messages'); Writeln('-Q --quit=PWD register /quit url. Send request with password variable equal to PWD to stop'); Writeln('-e --echo register /quit url. Send request with password variable equal to PWD to stop'); Writeln('-s --ssl Use SSL'); Writeln('-H --hostname=NAME set hostname for self-signed SSL certificate'); Writeln('-x --proxy=proxydef Add proxy definition. Definition is of form:'); Writeln(' name:BaseURL'); Writeln(''); Writeln('Config file is ini file, section [Server]. Key names are long option names'); Writeln('Proxies are defined in section [Proxy], Key is name, value is URL'); Halt(Ord(Msg<>'')); end; procedure THTTPApplication.LoadMimeTypes; begin MimeTypes.LoadKnownTypes; if MimeFile<>'' then begin MimeTypesFile:=MimeFile; if (MimeTypesFile<>'') and not FileExists(MimeTypesFile) then begin Log(etWarning,'mimetypes file not found: '+MimeTypesFile); MimeTypesFile:=''; end; end; If MimeTypesFile<>'' then MimeTypes.LoadFromFile(MimeTypesFile); end; procedure THTTPApplication.AddProxy(Const aProxyDef : String); Var P : Integer; N,URL : String; begin P:=Pos(':',aProxyDef); If P=0 then Raise EHTTP.CreateFmt('Invalid proxy definition: %s',[aProxyDef]); N:=Copy(aProxyDef,1,P-1); URL:=Copy(aProxyDef,P+1,Length(aProxyDef)); ProxyManager.RegisterLocation(N,URL).AppendPathInfo:=True; end; procedure THTTPApplication.ReadConfigFile(Const ConfigFile : string); Const SConfig = 'Server'; SProxy = 'Proxy'; KeyPort = 'Port'; KeyDir = 'Directory'; KeyIndexPage = 'IndexPage'; KeyHostName = 'hostname'; keyMimetypes = 'mimetypes'; KeySSL = 'SSL'; KeyQuiet = 'quiet'; KeyQuit = 'quit'; KeyEcho = 'echo'; KeyNoIndexPage = 'noindexpage'; KeyBackground = 'background'; Var L : TStringList; P,U : String; I : Integer; begin if (ConfigFile='') or Not FileExists(ConfigFile) then exit; L:=Nil; With TMemIniFile.Create(ConfigFile) do try BaseDir:=ReadString(SConfig,KeyDir,BaseDir); Port:=ReadInteger(SConfig,KeyPort,Port); Quiet:=ReadBool(SConfig,KeyQuiet,Quiet); MimeFile:=ReadString(SConfig,keyMimetypes,MimeFile); NoIndexPage:=ReadBool(SConfig,KeyNoIndexPage,NoIndexPage); IndexPageName:=ReadString(SConfig,KeyIndexPage,IndexPageName); HostName:=ReadString(SConfig,KeyHostName,HostName); UseSSL:=ReadBool(SConfig,KeySSL,UseSSL); FBackground:=ReadBool(SConfig,Keybackground,FBackGround); FPassword:=ReadString(SConfig,KeyQuit,FPassword); FEcho:=ReadBool(SConfig,KeyEcho,FEcho); L:=TstringList.Create; ReadSectionValues(SProxy,L,[]); For I:=0 to L.Count-1 do begin L.GetNameValue(I,P,U); if (P<>'') and (U<>'') then ProxyManager.RegisterLocation(P,U).AppendPathInfo:=true; end; finally L.Free; Free; end; end; procedure THTTPApplication.ProcessOptions; Var S : String; begin for S in GetOptionValues('x','proxy') do AddProxy(S); FEcho:=HasOption('e','echo'); Quiet:=HasOption('q','quiet'); FPassword:=GetOptionValue('Q','quit'); Port:=StrToIntDef(GetOptionValue('p','port'),Port); LoadMimeTypes; if HasOption('d','directory') then BaseDir:=GetOptionValue('d','directory'); UseSSL:=HasOption('s','ssl'); if HasOption('H','hostname') then HostName:=GetOptionValue('H','hostname'); if HasOption('n','noindexpage') then NoIndexPage:=True else IndexPageName:=GetOptionValue('i','indexpage'); FBackground:=HasOption('b','background'); end; procedure THTTPApplication.Writeinfo; Var I : Integer; begin Log(etInfo,'Listening on port %d, serving files from directory: %s (using SSL: %s)',[Port,BaseDir,BoolToStr(UseSSL,'true','false')]); For I:=0 to ProxyManager.LocationCount-1 do with ProxyManager.Locations[i] do Log(etInfo,'Proxy location /proxy/%s redirects to %s',[Path,URL]); if not NoIndexPage then Log(etInfo,'Using index page %s',[IndexPageName]); end; procedure THTTPApplication.DoRun; Var S,ConfigFile : String; begin S:=Checkoptions('hqd:ni:p:sH:m:x:c:beQ:',['help','quiet','noindexpage','directory:','port:','indexpage:','ssl','hostname:','mimetypes:','proxy:','config:','background','echo','quit:']); if (S<>'') or HasOption('h','help') then usage(S); if HasOption('c','config') then ConfigFile:=GetOptionValue('c','config') else ConfigFile:='simpleserver.ini'; ReadConfigFile(ConfigFile); ProcessOptions; if FBackground then begin {$ifdef unix} if FPFork>0 then Halt(0); {$else} Log(erError,'Background option not supported'); {$endif} end; if FPassword<>'' then HTTPRouter.RegisterRoute('/quit',rmAll,@Doquit,False); if FEcho then HTTPRouter.RegisterRoute('/echo',rmAll,@DoEcho,False); if ProxyManager.LocationCount>0 then begin TProxyWebModule.RegisterModule('Proxy',True); ProxyManager.OnLog:=@DoProxyLog; end; if BaseDir='' then BaseDir:=GetCurrentDir; if (BaseDir<>'') then BaseDir:=IncludeTrailingPathDelimiter(BaseDir); TSimpleFileModule.RegisterDefaultRoute; TSimpleFileModule.BaseDir:=BaseDir; TSimpleFileModule.OnLog:=@Log; If not NoIndexPage then begin if (IndexPageName='') then IndexPageName:='index.html'; TSimpleFileModule.IndexPageName:=IndexPageName; end; if not Quiet then WriteInfo; inherited; end; begin Application:=THTTPApplication.Create(Nil); Application.Initialize; Application.Run; Application.Free; end.