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| ///////////////////////////////////////////////////////////////////////////
// //
// Copyright (c) 2015 by Charta Software B.V. //
// All rights reserved //
// //
// Version: 1.7.0.83525 //
// Web site: https://pascal.chartasoftware.com/ //
// //
// This code and information are provided "as is" without warranty of //
// any kind. Dissemination of this information or reproduction of //
// this material is strictly forbidden unless prior written permission //
// is obtained from Charta Software B.V.. //
// //
///////////////////////////////////////////////////////////////////////////
unit WebSite.Module.Root;
interface
uses
Collection.List,
Http.Response,
StructuredDocument.Node,
Text,
WebSite.Module,
WebSite.Request;
type
TRootWebSiteModule = class(TWebSiteModule)
protected
function HandlePropFindRequest(Request: TWebSiteRequest): THttpResponse;
public
RedirectTo: TWebSiteModule;
DavModules: TList<TWebSiteModule>;
constructor Create(); override;
destructor Destroy(); override;
function GetName(): TText; override;
function GetTitle(Request: TWebSiteRequest): TDocumentNode; override;
function HandleRequest(Request: TWebSiteRequest): THttpResponse; override;
end;
implementation
uses
DateTime.Calendar.Gregorian.Date,
DateTime.Calendar.Gregorian.Instant,
DateTime.Calendar.Gregorian.Time,
Http.Dav.Object_,
Http.Dav.Object_.Error,
Http.Dav.Object_.Error.Condition.Pre,
Http.Dav.Object_.MultiStatus,
Http.Dav.Object_.Property_,
Http.Dav.Object_.Property_.Dead,
Http.Dav.Object_.Property_.Live,
Http.Dav.Object_.Response,
Http.Dav.Object_.Writer,
Http.Depth,
Http.Method,
Http.Response.Xml,
Http.Status,
Integer._32,
Object_.List,
Object_.Reference.Counter,
Text.List,
Uri,
Xml.Namespace,
Xml.Writer;
{ TRootWebSiteModule }
constructor TRootWebSiteModule.Create();
begin
inherited Create();
DavModules := TObjectList<TWebSiteModule>.Create();
DavModules.ElementManager := TReferenceCounter<TWebSiteModule>.Create();
end;
destructor TRootWebSiteModule.Destroy();
begin
DavModules.Free();
inherited Destroy();
end;
function TRootWebSiteModule.HandlePropFindRequest(Request: TWebSiteRequest): THttpResponse;
var
XmlResponse: THttpXmlResponse;
XmlWriter: TXmlWriter;
Uri: TUri;
Properties: TTextList;
FoundProperties: TDavPropertyStatus;
NotFoundProperties: TDavPropertyStatus;
i: TInteger32;
Property_: TText;
Writer: TDavObjectWriter;
DavNamespace: TXmlNamespace;
Response: TDavResponse;
MultiStatus: TDavMultiStatus;
EntityObject: TDavObject;
begin
Uri := Request.UriProducer.RelativeUri([], TUriResourceType.Directory);
DavNamespace := TXmlNamespace.Create();
DavNamespace.Prefix := 'D';
DavNamespace.Uri := TUri.New('DAV');
XmlResponse := THttpXmlResponse.Create();
XmlWriter := XmlResponse.Writer;
XmlWriter.IndentSize := 2;
XmlWriter.EndOfLine := #13#10;
XmlWriter.WriteHeader();
if Request.HttpRequest.Depth <> hdInfinity then
begin
XmlResponse.StatusLine.Status := THttpStatus.SuccessfulMultiStatus;
Response := TDavResponse.Create();
Response.HRef.Uri := Uri;
MultiStatus := TDavMultiStatus.Create();
MultiStatus.Namespaces.Add(DavNamespace);
MultiStatus.Responses.Add(Response);
FoundProperties := TDavPropertyStatus.Create();
FoundProperties.Status.Line.Status := THttpStatus.SuccessfulOk;
NotFoundProperties := TDavPropertyStatus.Create();
NotFoundProperties.Status.Line.Status := THttpStatus.ClientErrorNotFound;
Properties := TTextList.Create();
Properties.Add('resourcetype');
for i := 0 to Properties.Count - 1 do
begin
Property_ := Properties[i];
if Property_ = 'creationdate' then
FoundProperties.Prop.Properties.Add(TDavPropertyCreationDate.Create(TGregorianInstant.Create(TGregorianDate.Create(0001, 1, 1), TGregorianTime.Create(0, 0, 0, 0)))) // TODO: We have provide a correct creation date
else if Property_ = 'resourcetype' then
FoundProperties.Prop.Properties.Add(TDavPropertyResourceType.Create(TUriResourceType.Directory))
else
NotFoundProperties.Prop.Properties.Add(TDavDeadProperty.Create(DavNamespace, Property_));
end;
Properties.Free();
if FoundProperties.Prop.Properties.Count > 0 then
Response.PropertyStatuses.Add(FoundProperties)
else
FoundProperties.Free();
if NotFoundProperties.Prop.Properties.Count > 0 then
Response.PropertyStatuses.Add(NotFoundProperties)
else
NotFoundProperties.Free();
if Request.HttpRequest.Depth > hd0 then
begin
for i := 0 to DavModules.Count - 1 do
begin
FoundProperties := TDavPropertyStatus.Create();
FoundProperties.Status.Line.Status := THttpStatus.SuccessfulOk;
FoundProperties.Prop.Properties.Add(TDavPropertyResourceType.Create(TUriResourceType.Directory));
Response := TDavResponse.Create();
Response.HRef.Uri := Uri;
Response.HRef.Uri.Path.Add(DavModules[i].GetName());
Response.PropertyStatuses.Add(FoundProperties);
MultiStatus.Responses.Add(Response);
end;
end;
EntityObject := MultiStatus;
end
else
begin
XmlResponse.StatusLine.Status := THttpStatus.ClientErrorForbidden;
EntityObject := TDavError.Create(TDavPropFindFiniteDepth.Create());
EntityObject.Namespaces.Add(DavNamespace);
end;
Writer := TDavObjectWriter.Create(XmlWriter, DavNamespace);
Writer.Write(EntityObject);
Writer.Free();
EntityObject.Free();
DavNamespace.Free();
Result := XmlResponse;
end;
function TRootWebSiteModule.HandleRequest(Request: TWebSiteRequest): THttpResponse;
var
Method: THttpMethod;
begin
Method := Request.HttpRequest.RequestLine.Method;
if (Method = THttpMethod.Get) or (Method = THttpMethod.Head) then
begin
Result := THttpResponse.Create();
Result.StatusLine.Status := THttpStatus.RedirectionFound;
Result.Location := Request.UriProducer.RootUri([RedirectTo.GetName()], TUriResourceType.Directory);
end
else if Method = THttpMethod.Options then
begin
Result := THttpResponse.Create();
Result.Dav := '1';
Result.StatusLine.Status := THttpStatus.SuccessfulOk;
end
else if Method = THttpMethod.PropFind then
Result := HandlePropFindRequest(Request)
else
begin
Result := THttpResponse.Create();
Result.StatusLine.Status := THttpStatus.ClientErrorMethodNotAllowed;
end;
end;
function TRootWebSiteModule.GetName(): TText;
begin
// TODO: Not all web site modules need a name so we should not be required to provide one
Result := '';
end;
function TRootWebSiteModule.GetTitle(Request: TWebSiteRequest): TDocumentNode;
begin
// TODO: Not all web site modules need a title so we should not be required to provide one
Result := nil;
end;
end.
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