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+ Adds broker for FCL-web's embedded HTTP server (Thank you, leledumb…
…o! :) ).
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,192 @@ | ||
| (* | ||
| Brook FCL HTTPApp Broker unit. | ||
| Copyright (C) 2013 Mario Ray Mahardhika. | ||
| http://brookframework.org | ||
| All contributors: | ||
| Plase see the file CONTRIBUTORS.txt, included in this | ||
| distribution. | ||
| See the file LICENSE.txt, included in this distribution, | ||
| for details about the copyright. | ||
| This library is distributed in the hope that it will be useful, | ||
| but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | ||
| *) | ||
|
|
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| unit BrookFCLHTTPAppBroker; | ||
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| {$mode objfpc}{$H+} | ||
|
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| interface | ||
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| uses | ||
| BrookClasses, BrookApplication, BrookException, BrookMessages, BrookConsts, | ||
| BrookHTTPConsts, BrookRouter, BrookUtils, HTTPDefs, CustWeb, CustHTTPApp, | ||
| FPJSON, Classes, SysUtils; | ||
|
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| type | ||
| TBrookHTTPAppApplication = class; | ||
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| { TBrookApplication } | ||
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| TBrookApplication = class(TBrookInterfacedObject, IBrookApplication) | ||
| private | ||
| FApp: TBrookHTTPAppApplication; | ||
| public | ||
| constructor Create; virtual; | ||
| destructor Destroy; override; | ||
| function Instance: TObject; | ||
| procedure Run; | ||
| end; | ||
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| { TBrookHTTPAppApplication } | ||
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| TBrookHTTPAppApplication = class(TCustomHTTPApplication) | ||
| protected | ||
| function InitializeWebHandler: TWebHandler; override; | ||
| end; | ||
|
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| { TBrookHTTPServerHandler } | ||
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| TBrookHTTPServerHandler = class(TFPHTTPServerHandler) | ||
| protected | ||
| function FormatContentType: string; | ||
| public | ||
| procedure HandleRequest(ARequest: TRequest; AResponse: TResponse); override; | ||
| procedure ShowRequestException(R: TResponse; E: Exception); override; | ||
| end; | ||
|
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| implementation | ||
|
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| { TBrookApplication } | ||
|
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| constructor TBrookApplication.Create; | ||
| begin | ||
| FApp := TBrookHTTPAppApplication.Create(nil); | ||
| FApp.Initialize; | ||
| end; | ||
|
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| destructor TBrookApplication.Destroy; | ||
| begin | ||
| FApp.Free; | ||
| inherited Destroy; | ||
| end; | ||
|
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| function TBrookApplication.Instance: TObject; | ||
| begin | ||
| Result := FApp; | ||
| end; | ||
|
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| procedure TBrookApplication.Run; | ||
| begin | ||
| FApp.Run; | ||
| end; | ||
|
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| { TBrookHTTPAppApplication } | ||
|
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| function TBrookHTTPAppApplication.InitializeWebHandler: TWebHandler; | ||
| begin | ||
| Result := TBrookHTTPServerHandler.Create(Self); | ||
| end; | ||
|
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| { TBrookHTTPServerHandler } | ||
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| function TBrookHTTPServerHandler.FormatContentType: string; | ||
| begin | ||
| if BrookSettings.Charset <> ES then | ||
| Result := BrookSettings.ContentType + BROOK_HTTP_HEADER_CHARSET + | ||
| BrookSettings.Charset | ||
| else | ||
| Result := BrookSettings.ContentType; | ||
| end; | ||
|
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| procedure TBrookHTTPServerHandler.HandleRequest(ARequest: TRequest; | ||
| AResponse: TResponse); | ||
| begin | ||
| AResponse.ContentType := FormatContentType; | ||
| if BrookSettings.Language <> BROOK_DEFAULT_LANGUAGE then | ||
| TBrookMessages.Service.SetLanguage(BrookSettings.Language); | ||
| TBrookRouter.Service.Route(ARequest, AResponse); | ||
| end; | ||
|
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| procedure TBrookHTTPServerHandler.ShowRequestException(R: TResponse; E: Exception); | ||
| var | ||
| VStr: TStrings; | ||
| VHandled: Boolean = False; | ||
| begin | ||
| if R.ContentSent then | ||
| Exit; | ||
| if Assigned(BrookSettings.OnError) then | ||
| begin | ||
| BrookSettings.OnError(R, E, VHandled); | ||
| if VHandled then | ||
| Exit; | ||
| end; | ||
| if Assigned(OnShowRequestException) then | ||
| begin | ||
| OnShowRequestException(R, E, VHandled); | ||
| if VHandled then | ||
| Exit; | ||
| end; | ||
| if RedirectOnError and not R.HeadersSent then | ||
| begin | ||
| R.SendRedirect(Format(RedirectOnErrorURL, [HTTPEncode(E.Message)])); | ||
| R.SendContent; | ||
| Exit; | ||
| end; | ||
| if (BrookSettings.Page404 <> ES) and (E is EBrookHTTP404) and | ||
| (not R.HeadersSent) then | ||
| begin | ||
| R.Code := BROOK_HTTP_STATUS_CODE_NOT_FOUND; | ||
| R.CodeText := BROOK_HTTP_REASON_PHRASE_NOT_FOUND; | ||
| R.ContentType := FormatContentType; | ||
| if FileExists(BrookSettings.Page404) then | ||
| R.Contents.LoadFromFile(BrookSettings.Page404) | ||
| else | ||
| R.Content := BrookSettings.Page404; | ||
| R.Content := Format(R.Content, [ApplicationURL]); | ||
| R.SendContent; | ||
| Exit; | ||
| end; | ||
| if (BrookSettings.Page500 <> ES) and (not R.HeadersSent) then | ||
| begin | ||
| R.Code := BROOK_HTTP_STATUS_CODE_INTERNAL_SERVER_ERROR; | ||
| R.CodeText := 'Application error ' + E.ClassName; | ||
| R.ContentType := FormatContentType; | ||
| if FileExists(BrookSettings.Page500) then | ||
| begin | ||
| R.Contents.LoadFromFile(BrookSettings.Page500); | ||
| R.Content := Format(R.Content, [E.Message]); | ||
| end | ||
| else | ||
| if BrookSettings.ContentType = BROOK_HTTP_CONTENT_TYPE_APP_JSON then | ||
| R.Content := Format(BrookSettings.Page500, | ||
| [StringToJSONString(E.Message)]) | ||
| else | ||
| R.Content := Format(BrookSettings.Page500, [E.Message]); | ||
| R.SendContent; | ||
| Exit; | ||
| end; | ||
| if (R.ContentType = BROOK_HTTP_CONTENT_TYPE_TEXT_HTML) or | ||
| (BrookSettings.ContentType = BROOK_HTTP_CONTENT_TYPE_TEXT_HTML) then | ||
| begin | ||
| VStr := TStringList.Create; | ||
| try | ||
| R.ContentType := FormatContentType; | ||
| ExceptionToHTML(VStr, E, Title, Email, Administrator); | ||
| R.Content := VStr.Text; | ||
| R.SendContent; | ||
| finally | ||
| VStr.Free; | ||
| end; | ||
| end; | ||
| end; | ||
|
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| initialization | ||
| BrookRegisterApp(TBrookApplication.Create); | ||
|
|
||
| end. |
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