mirror of
https://github.com/danieleteti/delphimvcframework.git
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96 lines
3.1 KiB
ObjectPascal
96 lines
3.1 KiB
ObjectPascal
// ***************************************************************************
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//
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// Delphi MVC Framework
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//
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// Copyright (c) 2010-2017 Daniele Teti and the DMVCFramework Team
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//
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// https://github.com/danieleteti/delphimvcframework
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//
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// ***************************************************************************
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// *************************************************************************** }
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unit MVCFramework.Middleware.CORS;
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interface
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uses
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MVCFramework;
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type
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TCORSMiddleware = class(TInterfacedObject, IMVCMiddleware)
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private
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FAllowedOriginURL: string;
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FAllowsCredentials: string;
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public
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constructor Create(const AllowedOriginURL: string = '*';
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const AllowsCredentials: Boolean = true); virtual;
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procedure OnBeforeRouting(Context: TWebContext; var Handled: Boolean);
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procedure OnAfterControllerAction(Context: TWebContext;
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const AActionNAme: string; const Handled: Boolean);
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procedure OnBeforeControllerAction(Context: TWebContext;
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const AControllerQualifiedClassName: string; const AActionNAme: string;
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var Handled: Boolean);
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end;
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implementation
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uses
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System.StrUtils, MVCFramework.Commons;
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{ TCORSMiddleware }
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constructor TCORSMiddleware.Create(const AllowedOriginURL: string;
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const AllowsCredentials: Boolean);
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begin
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inherited Create;
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FAllowedOriginURL := AllowedOriginURL;
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FAllowsCredentials := ifthen(AllowsCredentials, 'true', 'false');
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end;
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procedure TCORSMiddleware.OnAfterControllerAction(Context: TWebContext;
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const AActionNAme: string; const Handled: Boolean);
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begin
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end;
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procedure TCORSMiddleware.OnBeforeControllerAction(Context: TWebContext;
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const AControllerQualifiedClassName, AActionNAme: string;
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var Handled: Boolean);
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begin
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// do nothing
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end;
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procedure TCORSMiddleware.OnBeforeRouting(Context: TWebContext;
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var Handled: Boolean);
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begin
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Context.Response.RawWebResponse.CustomHeaders.Values
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['Access-Control-Allow-Origin'] := FAllowedOriginURL;
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Context.Response.RawWebResponse.CustomHeaders.Values
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['Access-Control-Allow-Methods'] :=
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'POST, GET, OPTIONS, PUT, DELETE';
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Context.Response.RawWebResponse.CustomHeaders.Values
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['Access-Control-Allow-Headers'] := 'Content-Type, Accept';
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Context.Response.RawWebResponse.CustomHeaders.Values
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['Access-Control-Allow-Credentials'] := FAllowsCredentials;
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if Context.Request.HTTPMethod = httpOPTIONS then
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begin
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Context.Response.StatusCode := 200;
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Handled := true;
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end;
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end;
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end.
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