unit UAppCentre;

interface

uses
 mybean.core.objects, Classes, SysUtils, StrUtils, superobject, Dialogs,
 DateUtils, InterfaceAppCentre, Graphics,IdHttp,IdHttpEx,EncdDecd,XXTEA,
 Forms, IconRequest, TypInfo, UAppCentreConfig, InterfaceUI;

type
  TAppCentre = class(TMyBeanInterfacedObject, IAppCentre)
  private
    FLogined: Boolean;
    FLoginName: string;
    FOpenID: string;
    FAppKey :string;
    FAppSecret :string;
    FEnable: Boolean;
    FApps: IInterfaceList;
    FHotApps: IInterfaceList;
    FMainApplication: TApplication;
    FHotAppView: IHotAppView;
    FDownloadThread: TIconRequest;
    FHandles: TList;

    function URLEncode(const S: string; const InQueryString: Boolean): string;
    function ProcessAppJsonStr(AResponeStr: string): IInterfaceList;
    function ProcessHotAppJsonStr(AResponeStr: string): IInterfaceList;
    function ParseApp(AJsonObject: ISuperObject): IApp;
    procedure InitHttpHeader(AIdHttp: TIdHTTP);
    procedure GetOpenID(ALoginName: string);
    function GetDefaultBrowser: string;
    procedure DownloadIcon(AApps: IInterfaceList);
    procedure OnDownloadedIcon(AAppKey: string; AStream: TStream);
    procedure ExecuteApp(AURL: string; AApp: IApp);
    procedure OnRedirect(Sender: TObject; var dest: string;
      var NumRedirect: Integer; var Handled: boolean;
      var VMethod: string);
    function Find(AAppkey: string): IApp;
    procedure ExecuteBS(AURL: string);
    function GetPublicKey(AApp: IApp): string;
    function RSAEncrypt(APublicKey, AData: string): string;
  public
    destructor Destroy; override;
    constructor Create; override;

    function Login(ALoginName: WideString; AHotAppView: IHotAppView):WideString; stdcall;
    procedure Logout; stdcall;
    function GetHotApps: IInterfaceList; stdcall;
    function GetAllApps: IInterfaceList; stdcall;
    function RemoveHotApp(AAppKey: AnsiString): Boolean; stdcall;
    function AddHotApp(AAppKey: AnsiString; AHotApp: IHotApp): Boolean; stdcall;

    function GetEnable(): Boolean; stdcall;
    function GetAppCentreURL: AnsiString; stdcall;
    procedure OpenAppCentreFrom; stdcall;
    procedure CloseAppCentreForm; stdcall;
    procedure ChangeUIColor(AColor: TColor); stdcall;
    procedure Hello; stdcall;
    procedure SSO(AAppKey: AnsiString; AUrl: AnsiString = ''); stdcall;
    procedure SetMainApplication(AMainApplication: TApplication); stdcall;
    procedure OpenWebDebuggerTool; stdcall;
    procedure CloseWebDebuggerTool; stdcall;
    procedure OpenMessageCentre(ALoginName, APassword: WideString); stdcall;
    /// <summary>
    /// 残联定制
    /// </summary>
    function AuthFromCanlian(ALoginName, APassword: WideString): Boolean; stdcall;
  end;

  {$INCLUDE ..\Client\LXTalk.inc}
  
implementation

uses
  LoggerImport, AppCentreForm, UApp, ShellApi, Registry, Windows, DataProviderImport,
  RealICQUtility,
  MD5_32, AppCentreImport, AppCentreCom_TLB, Types, IdURI, MessageCentre, UIHandler;

const
  APPICON_DIR: string = 'Users\AppIcon';
  LOGIN_URL: string = 'http://%s:%d/api/basic/openid?appKey=%s&appSecret=%s&loginName=%s';
  GETHOTAPPS_URL : string = 'http://%s:%d/api/service/userfeaturedapps?status=1';
  GETAPPS_URL : string = 'http://%s:%d/api/service/applist?key=';
  SSO_URL: string = 'http://%s:%d/home/jump?appid=%s&clientuin=%s&clientkey=%s&redirect_uri=%s&toappid=%s&message=%s';
  APPCENTRE_LOGIN_URL: string = 'http://%s:%d/Account/Login?appKey=%s&ticket=%s';
  CANLIAN_AUTH_URL: string = 'http://%s:%d/api/basic/ValiAccount?Username=%s&Password=%s';
  MESSAGE_CENTRE_URL: string = 'http://%s:%d/account/sso?LoginName=%s&Password=%s&URL=/Widgets/home/index';
  //xxtea(appsecret,openid=openid&timestamp=14774832748)
  PUBLIC_KEY_URL: string = 'http://%s:%d/home/GenerationKey?appid=%s&ticket=%s';

var
  config: TAppCentreConfig;


{ TAppCentre }

function TAppCentre.AddHotApp(AAppKey: AnsiString; AHotApp: IHotApp): Boolean;
var
  WSAppKey: string;
  iLoop: Integer;
  AApp: IApp;
begin
  Result := False;
  WSAppKey := string(AAppKey);

  if (FApps = nil) or (FHotApps = nil) or (AHotApp = nil) then
    Exit;
  AApp := nil;
  for iLoop := 0 to FHotApps.Count - 1 do
    if SameText(string((FHotApps[iLoop] as IHotApp).GetUserApp.GetAppKey), AAppKey) then
    begin
      AApp := (FHotApps[iLoop] as IHotApp).GetUserApp;
      Break;
    end;
  if AApp <> nil then
    Exit;

  AApp := nil;
  for iLoop := 0 to FApps.Count - 1 do
    if SameText(string((FApps[iLoop] as IApp).GetAppKey), AAppKey) then
    begin
      AApp := (FApps[iLoop] as IApp);
      Break;
    end;
  if AApp = nil then
    Exit;
  AHotApp.SetUserApp(AApp);
  FHotApps.Add(AHotApp);
  if FHotAppView <> nil then
    FHotAppView.AddHotApp(AHotApp);

  Result := True;
end;

function TAppCentre.AuthFromCanlian(ALoginName, APassword: WideString): Boolean;
var
  AURL, ARep, WLoginName, WPassword: string;
  AConfig: IAppCentreConfig;
  AIdHttp: TIdHTTP;
begin
  AConfig := GetAppCentreConfig;
  WLoginName := string(ALoginName);
  WPassword := string(APassword);
  AURL := Format(CANLIAN_AUTH_URL, [AConfig.GetIP, AConfig.GetPort, WLoginName, WPassword]);
  AIdHttp := TIdHTTP.Create(nil);
  Result := False;
  AIdHttp.Request.Accept := '';
  AIdHttp.Request.ContentType := 'application/json; charset=utf-8';
  try
    AURL := AIdHttp.URL.ParamsEncode(AURL);
    ARep := AIdHttp.Get(AURL);
    Result := StrToBoolDef(ARep, False);
  finally
    Freeandnil(AIdHttp);
  end;
end;

procedure TAppCentre.ChangeUIColor(AColor: TColor);
begin
//  if GetAppCentreConfig.GetShowType = stOnMainform then
//    Exit;

  if AppCentreFrm = nil then
  begin
    AppCentreFrm := TAppCentreForm.Create(nil);
  end;
  AppCentreFrm.ChangeUIColor(AColor);
end;

procedure TAppCentre.CloseAppCentreForm;
begin
  if AppCentreFrm <> nil then
  begin
    AppCentreFrm.Close();
  end;
end;

procedure TAppCentre.CloseWebDebuggerTool;
begin
  if AppCentreFrm = nil then
    Exit;
end;

constructor TAppCentre.Create;
begin
  inherited;
  FHandles := TList.Create;
end;

destructor TAppCentre.Destroy;
begin
  while FHandles.Count > 0 do
  begin
    TerminateProcess(Cardinal(FHandles[0]), 0);
    FHandles.Delete(0);
  end;
  FreeAndNil(FHandles);
//  if AppCentreFrm <> nil then
//    FreeAndNil(AppCentreFrm);
  inherited;
end;

procedure TAppCentre.DownloadIcon(AApps: IInterfaceList);
begin
  if Assigned(FDownloadThread) then
    FreeAndNil(FDownloadThread);

  FDownloadThread := TIconRequest.Create(AApps);
  FDownloadThread.OnCompleted := OnDownloadedIcon;
end;

procedure TAppCentre.GetOpenID(ALoginName: string);
var
  AIdHttp : TIdHTTP;
  AOpenID : string;
  AConfig: IAppCentreConfig;
  AURL: string;
begin
  FOpenID := '';
  AConfig := GetAppCentreConfig;
  FLoginName := ALoginName;
  AIdHttp   := TIdHTTP.Create(nil);
  AIdHttp.Request.Accept := '';
  AIdHttp.Request.ContentType := 'application/json; charset=utf-8';

  try
    AURL := Format(LOGIN_URL, [AConfig.GetIP, AConfig.GetPort, AConfig.GetLxtAppKey, AConfig.GetLxtAppSecret, FloginName]);
    AOpenID := AIdHttp.Get(AURL);
    AOpenID := UTF8Decode(AOpenID);
    AOpenID := Copy(AOpenID,2, Length(AOpenID) - 2);
    FOpenID := AOpenID;
  except
    on E: Exception do
    begin
      FOpenID := '';
      Freeandnil(AIdHttp);
      LoggerImport.Error(E.Message, 'GetOpenID');
    end;
  end;
  Freeandnil(AIdHttp);
end;

function TAppCentre.GetAppCentreURL: AnsiString;
const
  GET_DATA: string = '{"openID":"%s","timestamp":%d}';
var
  AAnsiStrTicket: AnsiString;
  AURL: string;
  AContent: string;
  AConfig: IAppCentreConfig;

  //Cardinal
begin
  AConfig := GetAppCentreConfig;
  AContent := Format(GET_DATA, [FOpenID, (DateTimeToUnix(Now) - 8 * 60 * 60)]);
  AAnsiStrTicket := Encrypt(
    AContent,
    AConfig.GetLxtAppSecret+AConfig.GetLxtAppKey);

  AURL := Format(APPCENTRE_LOGIN_URL, [
    AConfig.GetClientIP,
    AConfig.GetClientPort,
    AConfig.GetLxtAppKey,
    AAnsiStrTicket
    ]);
  Result := AnsiString(AURL);
end;

procedure TAppCentre.Hello;
begin
  ShowMessage('TAppCentre.Hello');
end;

procedure TAppCentre.InitHttpHeader(AIdHttp: TIdHTTP);
var
  openIDEx: string;
begin
  openIDEx := 'Basic '+EncodeString(FOpenID);
  AIdHttp.Request.Accept := '';
  AIdHttp.Request.CustomHeaders.Values['Authorization'] := openIDEx;
  AIdHttp.Request.CustomHeaders.Values['Content-Type']  := 'application/x-www-form-urlencoded; charset=utf-8';
end;

function TAppCentre.ParseApp(AJsonObject: ISuperObject): IApp;
var
  App: TApp;
  joApp: ISuperObject;
begin
  App := TApp.Create;
  App.ID                := AJsonObject.I['ID'];
  App.AppID             := AJsonObject.I['AppID'];
  joApp                 := AJsonObject.O['Application'];
  if joApp = nil then
  begin
    Result := App;
    LoggerImport.Error(Format('AppID:%d', [App.AppID]), 'TAppCentre.ParseApp');
    Exit;
  end;
  App.Icon              := (joApp.S['Icon']);
  App.Title             := (joApp.S['Title']);
  App.Code              := (joApp.S['Code']);
  App.Url               := (joApp.S['Uri']);
  App.CallBackUri       := (joApp.S['CallBackUri']);
  App.AppKey            := (joApp.S['AppKey']);
  App.AppSecret         := (joApp.S['AppSecret']);
  App.Style             := joApp.I['Style'];
  App.AppStatus         := joApp.I['Status'];
  App.UserID            := AJsonObject.I['UserID'];
  App.AccessToken       := (AJsonObject.S['AccessToken']);
  App.AccessTokenExpired:= (AJsonObject.S['AccessTokenExpired']);
  App.RefreshToken      := (AJsonObject.S['RefreshToken']);
  App.OpenID            := (AJsonObject.S['OpenID']);
  App.OpenKey           := (AJsonObject.S['OpenKey']);
  App.Scope             := (AJsonObject.S['Scope']);
  App.UserStatus        := AJsonObject.I['Status'];
  App.IsAccessTokenValid:= AJsonObject.B['IsAccessTokenValid'];
  App.Embedded          := joApp.B['Embedded'];
  Result := App;
end;

function TAppCentre.ProcessAppJsonStr(AResponeStr: string): IInterfaceList;
var
  jo: ISuperObject;
  ja: TSuperArray;
  App :IApp;
  iLoop: Integer;
begin
  Result := TInterfaceList.Create;
  jo := SO(AResponeStr);
  if jo = nil then
  begin
    LoggerImport.Error('JSON解析有问题', 'ProcessAppJsonStr');
    Exit;
  end;
  
  ja := SO(AResponeStr).AsArray;

  for iLoop := 0 to ja.Length - 1 do
  begin
    App := ParseApp(ja.O[iLoop]);
    Result.Add(App);
  end;
end;

function TAppCentre.ProcessHotAppJsonStr(AResponeStr: string): IInterfaceList;
var
  ja: TSuperArray;
  joHotApp: ISuperObject;
  AHotApp: THotApp;
  iLoop, jLoop: Integer;

begin

  ja := SO(AResponeStr).AsArray;
  Result := TInterfaceList.Create;
  for iLoop := 0 to ja.Length - 1 do
  begin
    AHotApp := THotApp.Create;
    joHotApp := ja.O[iLoop];
    AHotApp.ID := joHotApp.I['ID'];
    AHotApp.UserAppID := joHotApp.I['UserAppID'];
    AHotApp.Position := joHotApp.I['Position'];
    AHotApp.Status := joHotApp.I['Status'];
    AHotApp.OpenID := joHotApp.S['OpenID'];
    AHotApp.CreateDate := joHotApp.S['CreateDate'];

    if (joHotApp.O['UserApp'] <> nil) then
      AHotApp.UserApp := ParseApp(joHotApp.O['UserApp']);
    if AHotApp.UserApp = nil then
    begin
      for jLoop := 0 to FApps.Count - 1 do
      begin
        if ((FApps[jLoop] as IApp).GetAppID = AHotApp.UserAppID)  then
        begin
          AHotApp.UserApp := FApps[jLoop] as IApp;
          Break;
        end;
      end;
    end;

//    else
//    begin
//      RemoveHotApp()
//      Continue;
//    end;
//    if True then
    if AHotApp.UserApp <> nil then
      Result.Add(AHotApp);
  end;
end;

function TAppCentre.RemoveHotApp(AAppKey: AnsiString): Boolean;
var
  WSAppKey: string;
  iLoop: Integer;
  AApp: IHotApp;
begin
  Result := False;
  WSAppKey := string(AAppKey);

  Debug('移除应用:'+WSAppKey, 'TAppCentre.RemoveHotApp');
  if (FApps = nil) or (FHotApps = nil) then
    Exit;
  AApp := nil;
  for iLoop := 0 to FHotApps.Count do
    if SameText(string((FHotApps[iLoop] as IHotApp).GetUserApp.GetAppKey), AAppKey) then
    begin
      AApp := (FHotApps[iLoop] as IHotApp);
      Break;
    end;
  if AApp = nil then
    Exit;

  FHotApps.Delete(iLoop);

  { TODO -olqq -c : 刷新主面板 2015/2/1 21:56:56 }
  if AApp.GetUserApp = nil then
    Exit;
  if FHotAppView <> nil then
    FHotAppView.RemoveHotApp(AApp);
  Result := True;
end;

function TAppCentre.GetDefaultBrowser: string;
var
  reg: TRegistry;
begin
  reg := TRegistry.Create;
  try
    reg.RootKey := HKEY_CLASSES_ROOT;
    reg.OpenKey('http\\shell\\open\\command',false);
    result:=reg.ReadString('');
    result:=Copy(result,Pos('"',result)+1,Length(result)-1);
    result:=Copy(result,1,Pos('"',result)-1);
    reg.CloseKey;
  finally
    if (result='') then result:='IEXPLORE.EXE';
    reg.Free;
  end;
end;

procedure TAppCentre.SetMainApplication(AMainApplication: TApplication);
begin
  FMainApplication := AMainApplication;
end;

procedure TAppCentre.OnRedirect(Sender: TObject; var dest: string; var NumRedirect: Integer; var Handled: boolean; var VMethod: string);
const
  TOKEN: string = 'access_token=';
var
  AToken, AParamsStr, AAppKey: string;
  AParams: TStrings;
  iStart, iEnd, iCount, i: Integer;
  AApp: IApp;
begin
  if NumRedirect = 2 then
  begin
    AParamsStr := dest;
    AAppKey := (Sender as TIdHTTP).Name;
    AParams := TRealICQUtility.SplitString(AParamsStr, '&');
    try
      for i := 0 to AParams.Count - 1 do
      begin
        iStart := Pos(TOKEN, AParams[i]);
        if iStart > 0 then
        begin
          Inc(iStart, Length(TOKEN));
//        iCount := Length(AParams[i]) - iStart;
          AToken := Copy(AParams[i], iStart);
          Break;
        end;
      end;
    finally
      AParams.Free;
    end;

    if Length(AToken) = 0 then
    begin
      LoggerImport.Error('没有获取到Token.', 'TAppCentre.OnRedirect');
      Exit;
    end;

    AApp := Find(AAppKey);
    if AApp = nil then
      Exit;
    ExecuteApp(PChar(AToken), AApp);

//    iStart := Pos(TOKEN
//    AToken := Copy((Sender as TIdhttp).URL.Params,
  end;
//  AURL := (Sender as TIdhttp).URL.Params;
//  AURL := dest;
end;

function TAppCentre.Find(AAppkey: string): IApp;
var
  AFound: Boolean;
  iLoop: Integer;
begin
  Result := nil;
  if FApps = nil then
    Exit;
  AFound := False;
  for iLoop := 0 to FApps.Count - 1 do
  begin
    Result := FApps[iLoop] as IApp;
    Debug(Result.GetAppKey + ' == ' + AAppKey, 'TAppCentre.Find');
    AFound := SameText(string(Result.GetAppKey), string(AAppKey));
    if AFound then
      Break
  end;
  if not AFound then
  begin
    Result := nil;
  end;
end;

function TAppCentre.GetPublicKey(AApp: IApp): string;
var
  AURL: string;
  AMsg,
  ATicket,
  ARep: string;
  AConfig: IAppCentreConfig;
  AIdHttp: TIdHTTP;
  AJo: ISuperObject;
begin
  AConfig := GetAppCentreConfig;
  AMsg := 'openid='+FOpenID+'&timestamp='+IntToStr((DateTimeToUnix(Now) - 8 * 60 * 60)*1000);
  ATicket := Encrypt(AnsiString(AMsg), AApp.GetAppSecret);
  AURL := Format(PUBLIC_KEY_URL, [
    AConfig.GetIP,
    AConfig.GetPort,
    AApp.GetAppKey,
    ATicket]);
  AIdHttp := TIdHTTP.Create(nil);

  try
    ARep := AIdHttp.Get(AURL);
  except
    on E: Exception do
    begin
      FreeAndNil(AIdHttp);
      ShowMessage(E.Message);
    end;
  end;

  AJo := SO(ARep);
  if AJo.I['ret'] = 0 then
  begin
    ShowMessage(AJo.S['msg']);
    Exit;
  end;

  Result := AJo.S['publicKey'];
end;

function TAppCentre.RSAEncrypt(APublicKey, AData: string): string;
var
  ADateTamp: string;
  AIdHttp: TIdHTTP;
  Test: string;
begin
//  ADateTamp := 'ticket='+IntToStr((DateTimeToUnix(Now) - 8 * 60 * 60))+'&';
  Result := Encrypt(AData, UpperCase(APublicKey));
//  AIdHttp := TIdHttp.Create(nil);
//  Test := AIdHttp.Get('http://120.26.136.253:51005/home/testKey?key='+UpperCase(APublicKey)+'&value='+ ADateTamp);
end;

procedure TAppCentre.SSO(AAppKey: AnsiString; AUrl: AnsiString = '');
const
  TOKEN: string = 'access_token';
  DATA_FORMAT: string = 'timestamp=%s&secret=%s';
var
  AToken: string;
  ADateTamp: string;
  AClientKey: AnsiString;
  ASSOURL: string;
  iLoop: Integer;
  AApp: IApp;
  AFound: Boolean;
  ARredirect_uri: string;
  AConfig: IAppCentreConfig;
  AHandle: THandle;
  AKey, Test: string;
  AIdHttp: TIdHTTP;
  AForm: IUIForm;
  AViewManager: IViewManager;
begin
  Debug(AAppKey, 'TAppCentre.SSO');
  AApp := Find(AAppKey);

  if AApp = nil then
  begin
    LoggerImport.Error('没有找到对应应用的AppKey', 'TAppCentre.SSO');
    Exit;
  end;

  AKey := GetPublicKey(AApp);
  if AKey = '' then
  begin
    LoggerImport.Error('PublicKey是空的', 'TAppCentre.SSO');
    Exit;
  end;

  AConfig := GetAppCentreConfig;
  ADateTamp := 'ticket='+IntToStr((DateTimeToUnix(Now) - 8 * 60 * 60));
  AClientKey := Encrypt(AnsiString(ADateTamp), AConfig.GetLxtAppSecret+AApp.GetOpenKey);
//  AIdHttp := TIdHttp.Create(nil);
//  Test := AIdHttp.Get('http://120.26.136.253:51005/home/testKey?key='+AConfig.GetLxtAppSecret+AApp.GetOpenKey+'&value='+ AnsiString(ADateTamp));
  //'http://oa.wswin.cn:8989/home/jump?appid='+AppKey+'&clientuin='+openID+'&clientkey='+clientkey+'&redirect_uri='+redirect_uri+'&toappid='+AppKey;
  if AUrl = '' then
    AUrl := AApp.GetUrl;

  ASSOURL := Format(SSO_URL, [
    AConfig.GetIP,
    AConfig.GetPort,
    AConfig.GetLxtAppKey,
    FOpenID,
    AClientKey,
    AUrl,
    AApp.GetAppKey,
    RSAEncrypt(AKey, Format(DATA_FORMAT,[IntToStr((DateTimeToUnix(Now) - 8 * 60 * 60)*1000), AApp.GetAppSecret]))
    ]);
  ///http://120.26.136.253:51005/home/testKey?key=a&value=b
  Debug(ASSOURL, 'TAppCentre.SSO');
  ASSOURL := URLEncode(ASSOURL, True);
  if AApp.IsBSApp then
  begin
    if FMainApplication <> nil then
      AHandle := FMainApplication.Handle
    else
      AHandle := 0;
    AViewManager := GetAppCentreUIHandler.GetViewManager;
    if (AApp.GetEmbedded) and (AViewManager <> nil) then
    begin
      AForm := AViewManager.GetView('TEmbeddedViewForm');
      if AForm = nil then
        ExecuteBS(ASSOURL)
      else
      begin
        AForm.SetFormInfo(Format('{"url":"%s","center":true}', [ASSOURL]));
        AForm.Show;
      end;
    end
    else
      ExecuteBS(ASSOURL);
//    ShellExecute(AHandle, 'open' , PChar(GetDefaultBrowser), PChar(AURL), '',SW_SHOWDEFAULT);
  end
  else
  begin
    ExecuteApp(ASSOURL, AApp);
//    AIdHttp := TIdHTTP.Create(nil);
//    AIdHttp.Name := AApp.GetAppKey;
//    try
//      AIdHttp.RedirectMaximum := 3;
//      AIdHttp.HandleRedirects := True;
//      AIdHttp.OnRedirect := OnRedirect;
//      AIdHttp.Get(AURL);
//    finally
//      AIdHttp.Free;
//    end;
  end;
end;

procedure TAppCentre.ExecuteBS(AURL: string);
var
  AHandle: Cardinal;
  ShExecInfo: SHELLEXECUTEINFO;
  ADir: PAnsiChar;
  AppCentreCom: ILXTAppCentreCom;
  ADlgOpen: TOpenDialog;
  ADirStr: string;
begin
  ADirStr := GetDefaultBrowser;
  ShExecInfo.cbSize := SizeOf(SHELLEXECUTEINFO);
  ShExecInfo.fMask := SEE_MASK_NOCLOSEPROCESS;
  ShExecInfo.Wnd := 0;
  ShExecInfo.lpVerb := PChar('open');
  ShExecInfo.lpFile := PChar(ADirStr);
  ShExecInfo.lpParameters := PChar(AURL);
  ShExecInfo.lpDirectory := PChar(ExtractFilePath(ADirStr));
  ShExecInfo.nShow := SW_SHOWMAXIMIZED;
  ShExecInfo.hInstApp := 0;

  if ShellExecuteEx(@ShExecInfo) then
  begin
    FHandles.Add(Pointer(ShExecInfo.hProcess));
  end
  else
    ShowMessage(SysErrorMessage(GetLastError));
end;

procedure TAppCentre.ExecuteApp(AURL: string; AApp: IApp);
var
  AHandle: Cardinal;
  ShExecInfo: SHELLEXECUTEINFO;
  ADir: PAnsiChar;
  AppCentreCom: ILXTAppCentreCom;
  ADlgOpen: TOpenDialog;
  ADirStr: string;
begin
  try
    AppCentreCom := CoLXTAppCentreCom.Create;
    if AppCentreCom = nil then
    begin
      LoggerImport.Error(SysErrorMessage(GetLastError), 'TAppCentre.ExecuteApp');
      ShowMessage('您电脑上没有安装AppCentreCom.dll组件.');
      LoggerImport.Error('您电脑上没有安装AppCentreCom.dll组件.', 'TAppCentre.ExecuteApp');
    end;

    ADir := AppCentreCom.GetInstallationDirectory(PAnsiChar(AApp.GetAppKey));
    if (ADir = nil) or not FileExists(string(ADir)) then
      ADir := PAnsiChar(AApp.GetUrl());

  except
    on Ex: Exception do
    begin
      LoggerImport.Error(SysErrorMessage(GetLastError), 'TAppCentre.ExecuteApp');
      Exit;
    end;
  end;

  if (ADir = nil) or not FileExists(string(ADir))  then
  begin
    if not FileExists(string(ADir)) then
      ShowMessage('程序目录可能已经更换,请重新指定.');
    ADlgOpen := TOpenDialog.Create(Application);
    try
      if ADlgOpen.Execute(Application.Handle) then
        ADirStr := ADlgOpen.FileName;
      if ADirStr = '' then
        Exit;
      ADir := PAnsiChar(AnsiString(ADirStr));
      AppCentreCom.RegisterInstallationDirectory(PAnsiChar(AApp.GetAppKey), ADir);
    finally
      ADlgOpen.Free;
    end;
  end;

  ShExecInfo.cbSize := SizeOf(SHELLEXECUTEINFO);
  ShExecInfo.fMask := SEE_MASK_NOCLOSEPROCESS;
  ShExecInfo.Wnd := 0;
  ShExecInfo.lpVerb := nil;
  ShExecInfo.lpFile := PChar(string(ADir));
  ShExecInfo.lpParameters := PChar(AURL);
  ShExecInfo.lpDirectory := PChar(ExtractFilePath(string(ADir)));
  ShExecInfo.nShow := SW_SHOW;
  ShExecInfo.hInstApp := 0;
  if ShellExecuteEx(@ShExecInfo) then
    FHandles.Add(Pointer(ShExecInfo.hProcess))
  else
    ShowMessage(SysErrorMessage(GetLastError));
end;

//获取所有应用列表
function TAppCentre.GetAllApps: IInterfaceList;
var
  AIdHttp:TIdHTTP;
  ResponeStr,openkey, AURL: String;
begin
  if FOpenID = '' then
  begin
    Result := nil;
    Exit;
  end;
  if FApps <> nil then
  begin
    Result := FApps;
    Exit;
  end;
  Result := nil;
  AIdHttp   := TIdHTTP.Create(nil);
  InitHttpHeader(AIdHttp);
  try
    AURL := Format(GETAPPS_URL,[GetAppCentreConfig.GetIP, GetAppCentreConfig.GetPort]);

    ResponeStr:=AIdHttp.Get(AURL);
    ResponeStr := Utf8ToAnsi(ResponeStr);   
    FApps :=  ProcessAppJsonStr(ResponeStr);
    Debug(Format('Apps Count:%d', [FApps.Count]), 'TAppCentre.GetAllApps');
    Result := FApps;
    DownloadIcon(FApps);
  except
    on E: Exception do
    begin
      FApps := nil;
      Result := nil;
      LoggerImport.Error(E.Message, 'TAppCentre.GetAllApps');
      Freeandnil(AIdHttp);
    end;
  end;
  Freeandnil(AIdHttp);
end;
//获取用户常用的应用列表
function TAppCentre.GetHotApps: IInterfaceList;
var
  AIdHttp:TIdHTTP;
  ResponeStr: String;
  AURL: string;
begin
  if FOpenID = '' then
  begin
    Result := nil;
    Exit;
  end;
  if FHotApps <> nil then
  begin
    Result := FHotApps;
    Exit;
  end;
  Result := nil;
  AIdHttp   := TIdHTTP.Create(nil);
  InitHttpHeader(AIdHttp);
  try
    AURL := Format(GETHOTAPPS_URL,[GetAppCentreConfig.GetIP, GetAppCentreConfig.GetPort]);
    ResponeStr:=AIdHttp.Get(AURL);
    ResponeStr := Utf8ToAnsi(ResponeStr);  
    FHotApps :=  ProcessHotAppJsonStr(ResponeStr);
    Result := FHotApps;
  except
    on E: Exception do
    begin
      FHotApps := nil;
      Result := nil;
      Freeandnil(AIdHttp);
    end;
  end;
  Freeandnil(AIdHttp);
end;

function TAppCentre.GetEnable: Boolean;
begin
  Result := GetAppCentreConfig.GetEnable;
end;


function TAppCentre.Login(ALoginName: WideString; AHotAppView: IHotAppView):WideString;
begin
  Debug(ALoginName, 'TAppCentre.Login');
  FHotAppView := AHotAppView;
  GetOpenID(ALoginName);
  if FOpenID = '' then
    Exit;
  GetAllApps;
  GetHotApps;

end;

procedure TAppCentre.Logout;
var
  AHotApp: IHotApp;
  AApp: IApp;
begin
  FOpenID := '';
  while FHandles.Count > 0 do
  begin
    TerminateProcess(Cardinal(FHandles[0]), 0);
    FHandles.Delete(0);
  end;
  if Assigned(FDownloadThread) then
  begin
    FDownloadThread.Terminate;
    FDownloadThread.WaitFor;
    FreeAndNil(FDownloadThread);
  end;

  FApps := nil;
  FHotApps := nil;
  FHotAppView := nil;
  if AppCentreFrm <> nil then
    AppCentreFrm.Close;
end;

procedure TAppCentre.OnDownloadedIcon(AAppKey: string; AStream: TStream);
var
  AOldBuffer,
  ANewBuffer: TBytes;
begin
  if AStream = nil then
    Exit;
  try
    GetAppIconProvider.FindIcon(WideString(AAppKey), AOldBuffer);
  except
    on E: Exception do
    begin
      Debug('奇怪异常:'+E.Message, 'TAppCentre.OnDownloadedIcon('+AAppKey+')');
    end;
  end;
  AStream.Position := 0;
  SetLength(ANewBuffer, AStream.Size);
  AStream.Read(ANewBuffer[0], AStream.Size);
  if Length(AOldBuffer) <> 0 then
  begin
    if MD5Match(BytesToMD5(ANewBuffer), BytesToMD5(AOldBuffer)) then
    begin
      Debug('图标没有变，无需更新', 'TAppCentre.OnDownloadedIcon('+AAppKey+')');
      Exit;
    end;
  end;

  Debug('更新图标', 'TAppCentre.OnDownloadedIcon('+AAppKey+')');
  GetAppIconProvider.Insert(AAppKey, ANewBuffer);
  if (FHotAppView <> nil) then
    FHotAppView.OnASyncAppIconDownloaded(AAppKey, ANewBuffer, AStream.Size);
end;

procedure TAppCentre.OpenAppCentreFrom;
begin
  if AppCentreFrm = nil then
  begin
    AppCentreFrm := TAppCentreForm.Create(nil);
  end;
  {$IFDEF NXQST}
  AppCentreFrm.Caption := '纳税之家';
  {$ENDIF} 
  AppCentreFrm.Top := (Screen.Height - AppCentreFrm.Height) div 2;
  AppCentreFrm.Left := (Screen.Width - AppCentreFrm.Width) div 2;
  AppCentreFrm.Show();
end;


procedure TAppCentre.OpenMessageCentre(ALoginName, APassword: WideString); stdcall;
var
  AURL: string;
  config: IAppCentreConfig;
begin
  if MessageCentreForm = nil then
  begin
    MessageCentreForm := TMessageCentreForm.Create(nil);
  end;
  config := GetAppCentreConfig;
  AURL := Format(MESSAGE_CENTRE_URL, [config.GetMessageCentreIP, config.GetMessageCentrePort, ALoginName, APassword]);

  MessageCentreForm.Top := (Screen.Height - MessageCentreForm.Height) div 2;
  MessageCentreForm.Left := (Screen.Width - MessageCentreForm.Width) div 2;
  MessageCentreForm.Show();
  MessageCentreForm.chrm1.Load(AURL);
end;

procedure TAppCentre.OpenWebDebuggerTool;
begin
  if AppCentreFrm = nil then
    Exit;

  AppCentreFrm.OpenDebug;
end;

function TAppCentre.URLEncode(const S: string;
  const InQueryString: Boolean): string;
begin
  Result := TIdURI.URLEncode(S);
end;

end.