mirror of
https://github.com/danieleteti/delphimvcframework.git
synced 2024-11-15 15:55:54 +01:00
1092 lines
36 KiB
ObjectPascal
1092 lines
36 KiB
ObjectPascal
// ***************************************************************************
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//
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// Delphi MVC Framework
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//
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// Copyright (c) 2010-2020 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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// Collaborators on this file:
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// João Antônio Duarte (https://github.com/joaoduarte19)
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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.Swagger.Commons;
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interface
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uses
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Json.Schema,
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System.Rtti,
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Swag.Common.Types,
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System.SysUtils,
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MVCFramework.Commons,
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Swag.Doc.Path.Operation.RequestParameter,
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Swag.Doc.Path.Operation,
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Swag.Doc.Path,
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System.Json,
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Json.Schema.Field,
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Json.Schema.Field.Objects,
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Swag.Doc.Definition,
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System.Generics.Collections,
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System.Generics.Defaults;
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type
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TMVCSwagParamLocation = (plNotDefined, plQuery, plHeader, plPath, plFormData, plBody);
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TMVCSwagParamType = (ptNotDefined, ptString, ptNumber, ptInteger, ptBoolean, ptArray, ptFile);
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TMVCSwagSchemaType = (stUnknown, stInteger, stInt64, stNumber, stDateTime, stDate, stTime, stEnumeration, stBoolean,
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stObject, stArray, stString, stChar, stGuid);
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TMVCSwagAuthenticationType = (atBasic, atJsonWebToken);
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/// <summary>
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/// Swagger info object
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/// </summary>
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TMVCSwaggerInfo = record
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Title: string;
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Version: string;
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TermsOfService: string;
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Description: string;
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ContactName: string;
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ContactEmail: string;
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ContactUrl: string;
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LicenseName: string;
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LicenseUrl: string;
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end;
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/// <summary>
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/// Specify swagger path summary. See <see href="https://swagger.io/docs/specification/2-0/paths-and-operations/">
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/// Swagger path and operations</see>
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/// </summary>
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MVCSwagSummaryAttribute = class(TCustomAttribute)
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private
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fTags: string;
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fDeprecated: Boolean;
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fDescription: string;
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fOperationID: string;
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public
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constructor Create(const ATags, ADescription: string; const AOperationId: string = '';
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ADeprecated: Boolean = False);
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function GetTags: TArray<string>;
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property Tags: string read fTags;
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property Description: string read fDescription;
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property OperationID: string read fOperationID;
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property Deprecated: Boolean read fDeprecated;
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end;
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/// <summary>
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/// Specifies your controller authentication type
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/// </summary>
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MVCSwagAuthenticationAttribute = class(TCustomAttribute)
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private
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fAuthenticationType: TMVCSwagAuthenticationType;
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public
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constructor Create(const AAuthenticationType: TMVCSwagAuthenticationType = atJsonWebToken);
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property AuthenticationType: TMVCSwagAuthenticationType read fAuthenticationType;
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end;
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/// <summary>
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/// Specify swagger path responses.
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/// </summary>
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MVCSwagResponsesAttribute = class(TCustomAttribute)
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private
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fStatusCode: Integer;
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fDescription: string;
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fJsonSchema: string;
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fJsonSchemaClass: TClass;
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fIsArray: Boolean;
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public
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constructor Create(const AStatusCode: Integer; const ADescription: string; const AJsonSchema: string = '');
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overload;
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constructor Create(const AStatusCode: Integer; const ADescription: string; const AJsonSchemaClass: TClass;
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const AIsArray: Boolean = False); overload;
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property StatusCode: Integer read fStatusCode;
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property Description: string read fDescription;
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property JsonSchema: string read fJsonSchema;
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property JsonSchemaClass: TClass read fJsonSchemaClass;
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property IsArray: Boolean read fIsArray;
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end;
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/// <summary>
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/// Specify swagger path params.
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/// </summary>
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MVCSwagParamAttribute = class(TCustomAttribute)
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private
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fParamLocation: TMVCSwagParamLocation;
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fParamName: string;
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fParamDescription: string;
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fParamType: TMVCSwagParamType;
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fRequired: Boolean;
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fJsonSchema: string;
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fJsonSchemaClass: TClass;
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fDefaultValue: string;
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fEnumValues: string;
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function GetEnumValues: TArray<string>;
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public
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constructor Create(const AParamLocation: TMVCSwagParamLocation; const AParamName: string;
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const AParamDescription: string; const AParamType: TMVCSwagParamType; const ARequired: Boolean = True;
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const ADefaultValue: string = ''; const AEnumValues: string = ''; const AJsonSchema: string = ''); overload;
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constructor Create(const AParamLocation: TMVCSwagParamLocation; const AParamName: string;
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const AParamDescription: string; const AJsonSchemaClass: TClass;
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const AParamType: TMVCSwagParamType = ptNotDefined; const ARequired: Boolean = True;
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const ADefaultValue: string = ''; const AEnumValues: string = ''); overload;
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property ParamLocation: TMVCSwagParamLocation read fParamLocation;
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property ParamName: string read fParamName;
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property ParamDescription: string read fParamDescription;
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property ParamType: TMVCSwagParamType read fParamType;
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property Required: Boolean read fRequired;
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property DefaultValue: string read fDefaultValue;
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property EnumValues: TArray<string> read GetEnumValues;
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property JsonSchema: string read fJsonSchema;
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property JsonSchemaClass: TClass read fJsonSchemaClass;
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end;
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/// <summary>
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/// Specifies the field definition in the json schema.
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/// Use this attribute on a class property that will be mapped to a json schema
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/// </summary>
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MVCSwagJSONSchemaFieldAttribute = class(TCustomAttribute)
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private
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fSchemaFieldType: TMVCSwagSchemaType;
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fFieldName: string;
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fDescription: string;
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fRequired: Boolean;
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fNullable: Boolean;
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public
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constructor Create(const ASchemaFieldType: TMVCSwagSchemaType; const AFieldName: string; const ADescription: string;
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const ARequired: Boolean = True; const ANullable: Boolean = False); overload;
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constructor Create(const AFieldName: string; const ADescription: string; const ARequired: Boolean = True;
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const ANullable: Boolean = False); overload;
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property SchemaFieldType: TMVCSwagSchemaType read fSchemaFieldType;
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property FieldName: string read fFieldName;
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property Description: string read fDescription;
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property Required: Boolean read fRequired;
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property Nullable: Boolean read fNullable;
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end;
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/// <summary>
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/// Use this attribute in the class or method to ignore the path in creating swagger documentation.
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/// </summary>
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MVCSwagIgnorePathAttribute = class(TCustomAttribute);
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/// <summary>
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/// SwaggerDoc Methods
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/// </summary>
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TMVCSwagger = class sealed
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private
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class var fRttiContext: TRttiContext;
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class function GetMVCSwagParamsFromMethod(const AMethod: TRttiMethod): TArray<MVCSwagParamAttribute>;
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class function MVCParamLocationToSwagRequestParamInLocation(const AMVCSwagParamLocation: TMVCSwagParamLocation)
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: TSwagRequestParameterInLocation;
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class function MVCParamTypeToSwagTypeParameter(const AMVSwagParamType: TMVCSwagParamType): TSwagTypeParameter;
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class procedure ExtractJsonSchemaFromClass(const AJsonFieldRoot: TJsonFieldObject; const AClass: TClass); overload;
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class function ExtractJsonSchemaFromClass(const AClass: TClass; const AIsArray: Boolean = False)
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: TJSONObject; overload;
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class function GetJsonFieldClass(const ASchemaFieldType: TMVCSwagSchemaType): TJsonFieldClass;
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class function TypeKindToMVCSwagSchemaType(APropType: TRttiType): TMVCSwagSchemaType; static;
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class function TypeIsEnumerable(const ARttiType: TRttiType): Boolean; static;
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public
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class constructor Create;
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class destructor Destroy;
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class function MVCHttpMethodToSwagPathOperation(const AMVCHTTPMethod: TMVCHTTPMethodType): TSwagPathTypeOperation;
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class function MVCPathToSwagPath(const AResourcePath: string): string;
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class function GetParamsFromMethod(const AResourcePath: string; const AMethod: TRttiMethod;
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const ASwagDefinitions: TObjectList<TSwagDefinition>): TArray<TSwagRequestParameter>;
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class function RttiTypeToSwagType(const ARttiType: TRttiType): TSwagTypeParameter;
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class procedure FillOperationSummary(const ASwagPathOperation: TSwagPathOperation; const AMethod: TRttiMethod;
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const ASwagDefinitions: TObjectList<TSwagDefinition>);
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class function MethodRequiresAuthentication(const AMethod: TRttiMethod; const AType: TRttiType;
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out AAuthenticationTypeName: string): Boolean;
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class function GetJWTAuthenticationPath(const AJWTUrlSegment: string;
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AUserNameHeaderName, APasswordHeaderName: string): TSwagPath;
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end;
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TArrayHelper = class
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public
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class procedure QuickSort<T>(var Values: array of T; const Comparer: IComparer<T>; L, R: Integer); static;
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end;
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const
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JWT_AUTHENTICATION_TAG = 'JWT Authentication';
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SECURITY_BEARER_NAME = 'bearer';
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SECURITY_BASIC_NAME = 'basic';
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JWT_JSON_SCHEMA = '{' + sLineBreak + ' "type": "object",' + sLineBreak + ' "properties": {' + sLineBreak +
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' "token": {' + sLineBreak + ' "type": "string",' + sLineBreak + ' "description": "JWT Token"' +
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sLineBreak + ' }' + sLineBreak + ' }' + sLineBreak + '}';
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JWT_DEFAULT_DESCRIPTION = 'For accessing the API a valid JWT token must be passed in all the queries ' +
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'in the ''Authorization'' header.' + sLineBreak + sLineBreak +
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'A valid JWT token is generated by the API and retourned as answer of a call ' + 'to the route defined ' +
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'in the JWT middleware giving a valid username and password.' + sLineBreak + sLineBreak +
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'The following syntax must be used in the ''Authorization'' header :' + sLineBreak + sLineBreak +
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' Bearer xxxxxx.yyyyyyy.zzzzzz' + sLineBreak;
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implementation
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uses
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System.Classes,
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System.RegularExpressions,
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MVCFramework,
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MVCFramework.Serializer.Abstract,
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MVCFramework.Serializer.Commons,
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Swag.Doc.Path.Operation.Response,
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Json.Schema.Field.Numbers,
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Json.Schema.Field.Strings,
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Json.Schema.Field.Arrays,
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Json.Schema.Field.DateTimes,
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Json.Schema.Field.Enums,
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Json.Schema.Field.Booleans;
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{ TSwaggerUtils }
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class constructor TMVCSwagger.Create;
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begin
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fRttiContext := TRttiContext.Create;
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end;
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class function TMVCSwagger.RttiTypeToSwagType(const ARttiType: TRttiType): TSwagTypeParameter;
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begin
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case ARttiType.TypeKind of
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tkInteger, tkInt64:
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Result := stpInteger;
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tkChar, tkString, tkWChar, tkLString, tkWString, tkUString:
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Result := stpString;
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tkFloat:
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if (ARttiType.Handle = TypeInfo(TDateTime)) or (ARttiType.Handle = TypeInfo(TDate)) or
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(ARttiType.Handle = TypeInfo(TTime)) then
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Result := stpString
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else
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Result := stpNumber;
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tkEnumeration:
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if ARttiType.Handle = TypeInfo(Boolean) then
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Result := stpBoolean
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else
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Result := stpArray;
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else
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Result := stpNotDefined;
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end;
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end;
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class destructor TMVCSwagger.Destroy;
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begin
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fRttiContext.Free;
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end;
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class function TMVCSwagger.TypeIsEnumerable(const ARttiType: TRttiType): Boolean;
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begin
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Result := ARttiType.GetMethod('GetEnumerator') <> nil;
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end;
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type
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TFieldSchemaDefinition = record
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SchemaFieldType: TMVCSwagSchemaType;
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FieldName: string;
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Description: string;
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Required: Boolean;
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Nullable: Boolean;
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class function Create: TFieldSchemaDefinition; static; inline;
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end;
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THackMVCAbstractSerializer = class(TMVCAbstractSerializer);
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class procedure TMVCSwagger.ExtractJsonSchemaFromClass(const AJsonFieldRoot: TJsonFieldObject; const AClass: TClass);
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var
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lFieldSchemaDef: TFieldSchemaDefinition;
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lObjType: TRttiType;
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lProp: TRttiProperty;
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lSkipProp: Boolean;
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lAttr: TCustomAttribute;
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lJSFieldAttr: MVCSwagJSONSchemaFieldAttribute;
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lJsonFieldClass: TJsonFieldClass;
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lJsonField: TJsonField;
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lJsonFieldObject: TJsonFieldObject;
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lAbstractSer: THackMVCAbstractSerializer;
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lClass: TClass;
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begin
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lObjType := fRttiContext.GetType(AClass);
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for lProp in lObjType.GetProperties do
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begin
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lSkipProp := False;
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lFieldSchemaDef := TFieldSchemaDefinition.Create;
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for lAttr in lProp.GetAttributes do
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begin
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if lAttr is MVCDoNotSerializeAttribute then
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begin
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lSkipProp := True;
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Break;
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end;
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if lAttr is MVCSwagJSONSchemaFieldAttribute then
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begin
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lJSFieldAttr := MVCSwagJSONSchemaFieldAttribute(lAttr);
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lFieldSchemaDef.SchemaFieldType := lJSFieldAttr.SchemaFieldType;
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lFieldSchemaDef.FieldName := lJSFieldAttr.FieldName;
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lFieldSchemaDef.Description := lJSFieldAttr.Description;
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lFieldSchemaDef.Required := lJSFieldAttr.Required;
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lFieldSchemaDef.Nullable := lJSFieldAttr.Nullable;
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Break;
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end;
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end;
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if lSkipProp then
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Continue;
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if lFieldSchemaDef.SchemaFieldType = stUnknown then
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begin
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lFieldSchemaDef.SchemaFieldType := TypeKindToMVCSwagSchemaType(lProp.PropertyType);
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lFieldSchemaDef.FieldName := TMVCSerializerHelper.GetKeyName(lProp, lObjType);
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end;
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lJsonFieldClass := GetJsonFieldClass(lFieldSchemaDef.SchemaFieldType);
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if not Assigned(lJsonFieldClass) then
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Continue;
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lJsonField := lJsonFieldClass.Create;
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if (lJsonField is TJsonFieldObject) and (not TypeIsEnumerable(lProp.PropertyType)) then
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begin
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ExtractJsonSchemaFromClass((lJsonField as TJsonFieldObject), lProp.PropertyType.AsInstance.MetaClassType);
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end;
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if (lJsonField is TJsonFieldArray) and TypeIsEnumerable(lProp.PropertyType) then
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begin
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lJsonFieldObject := TJsonFieldObject.Create;
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lAbstractSer := THackMVCAbstractSerializer.Create;
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try
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lClass := lAbstractSer.GetObjectTypeOfGenericList(lProp.PropertyType.Handle);
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ExtractJsonSchemaFromClass(lJsonFieldObject, lClass);
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(lJsonField as TJsonFieldArray).ItemFieldType := lJsonFieldObject;
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finally
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lAbstractSer.Free;
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end;
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end;
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lJsonField.Name := lFieldSchemaDef.FieldName;
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lJsonField.Required := lFieldSchemaDef.Required;
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lJsonField.Nullable := lFieldSchemaDef.Nullable;
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if not lFieldSchemaDef.Description.IsEmpty then
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TJsonFieldInteger(lJsonField).Description := lFieldSchemaDef.Description;
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AJsonFieldRoot.AddField(lJsonField);
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end;
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end;
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class function TMVCSwagger.ExtractJsonSchemaFromClass(const AClass: TClass; const AIsArray: Boolean): TJSONObject;
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var
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lJsonSchema: TJsonField;
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lJsonRoot: TJsonFieldObject;
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begin
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if AIsArray then
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begin
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lJsonSchema := TJsonFieldArray.Create
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end
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else
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begin
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lJsonSchema := TJsonFieldObject.Create;
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end;
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try
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if AIsArray then
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begin
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lJsonRoot := TJsonFieldObject.Create;
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TJsonFieldArray(lJsonSchema).ItemFieldType := lJsonRoot;
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TJsonFieldArray(lJsonSchema).Name := 'items';
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end
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else
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begin
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lJsonRoot := lJsonSchema as TJsonFieldObject;
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end;
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ExtractJsonSchemaFromClass(lJsonRoot, AClass);
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Result := lJsonSchema.ToJsonSchema;
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finally
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lJsonSchema.Free;
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end;
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end;
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class procedure TMVCSwagger.FillOperationSummary(const ASwagPathOperation: TSwagPathOperation;
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const AMethod: TRttiMethod; const ASwagDefinitions: TObjectList<TSwagDefinition>);
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var
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lAttr: TCustomAttribute;
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lSwagResponse: TSwagResponse;
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lSwagResponsesAttr: MVCSwagResponsesAttribute;
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lComparer: IComparer<TSwagDefinition>;
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lSwagDefinition: TSwagDefinition;
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lSwagDef: TSwagDefinition;
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lClassName: string;
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lIndex: Integer;
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lJsonSchema: TJsonFieldArray;
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begin
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for lAttr in AMethod.GetAttributes do
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begin
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if lAttr is MVCSwagSummaryAttribute then
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begin
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ASwagPathOperation.Tags.AddRange(MVCSwagSummaryAttribute(lAttr).GetTags);
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ASwagPathOperation.Description := MVCSwagSummaryAttribute(lAttr).Description;
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ASwagPathOperation.OperationID := MVCSwagSummaryAttribute(lAttr).OperationID;
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// dt [2019-10-31] Ensure OperationID is always defined
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if ASwagPathOperation.OperationID.IsEmpty then
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begin
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ASwagPathOperation.OperationID := AMethod.Name;
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end;
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// dt [2019-10-31]
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ASwagPathOperation.Deprecated := MVCSwagSummaryAttribute(lAttr).Deprecated;
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end;
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if lAttr is MVCConsumesAttribute then
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begin
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ASwagPathOperation.Consumes.Add(MVCConsumesAttribute(lAttr).Value)
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end;
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if lAttr is MVCProducesAttribute then
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begin
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ASwagPathOperation.Produces.Add(MVCProducesAttribute(lAttr).Value)
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end;
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if lAttr is MVCSwagResponsesAttribute then
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begin
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lSwagResponsesAttr := MVCSwagResponsesAttribute(lAttr);
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lSwagResponse := TSwagResponse.Create;
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lSwagResponse.StatusCode := lSwagResponsesAttr.StatusCode.ToString;
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lSwagResponse.Description := lSwagResponsesAttr.Description;
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if not lSwagResponsesAttr.JsonSchema.IsEmpty then
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begin
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lSwagResponse.Schema.JsonSchema := TJSONObject.ParseJSONValue(lSwagResponsesAttr.JsonSchema) as TJSONObject
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end
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else if Assigned(lSwagResponsesAttr.JsonSchemaClass) then
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begin
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lComparer := TDelegatedComparer<TSwagDefinition>.Create(
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function(const Left, Right: TSwagDefinition): Integer
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begin
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Result := CompareText(Left.Name, Right.Name);
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end);
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lClassName := lSwagResponsesAttr.JsonSchemaClass.ClassName;
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if lClassName.ToUpper.StartsWith('T') then
|
|
lClassName := lClassName.Remove(0, 1);
|
|
|
|
ASwagDefinitions.Sort(lComparer);
|
|
lSwagDef := TSwagDefinition.Create;
|
|
try
|
|
lSwagDef.Name := lClassName;
|
|
if not ASwagDefinitions.BinarySearch(lSwagDef, lIndex, lComparer) then
|
|
begin
|
|
lSwagDefinition := TSwagDefinition.Create;
|
|
lSwagDefinition.Name := lClassName;
|
|
lSwagDefinition.JsonSchema := ExtractJsonSchemaFromClass(lSwagResponsesAttr.JsonSchemaClass,
|
|
False);
|
|
ASwagDefinitions.Add(lSwagDefinition);
|
|
end;
|
|
finally
|
|
lSwagDef.Free;
|
|
end;
|
|
if lSwagResponsesAttr.IsArray then
|
|
begin
|
|
lJsonSchema := TJsonFieldArray.Create;
|
|
try
|
|
lJsonSchema.Name := 'items';
|
|
lJsonSchema.ItemFieldType := TJsonFieldObject.Create;
|
|
TJsonFieldObject(lJsonSchema.ItemFieldType).Ref := lClassName;
|
|
lSwagResponse.Schema.JsonSchema := lJsonSchema.ToJsonSchema;
|
|
finally
|
|
lJsonSchema.Free;
|
|
end;
|
|
end
|
|
else
|
|
begin
|
|
lSwagResponse.Schema.Name := lClassName;
|
|
end;
|
|
end;
|
|
ASwagPathOperation.Responses.Add(lSwagResponse.StatusCode, lSwagResponse);
|
|
end;
|
|
end;
|
|
|
|
if ASwagPathOperation.Tags.Count = 0 then
|
|
ASwagPathOperation.Tags.Add(AMethod.Parent.QualifiedName);
|
|
|
|
if ASwagPathOperation.Produces.Count <= 0 then
|
|
ASwagPathOperation.Produces.Add(TMVCMediaType.APPLICATION_JSON);
|
|
|
|
if ASwagPathOperation.Responses.Count <= 0 then
|
|
begin
|
|
lSwagResponse := TSwagResponse.Create;
|
|
lSwagResponse.StatusCode := IntToStr(HTTP_STATUS.OK);
|
|
lSwagResponse.Description := 'Ok';
|
|
ASwagPathOperation.Responses.Add(lSwagResponse.StatusCode, lSwagResponse);
|
|
|
|
lSwagResponse := TSwagResponse.Create;
|
|
lSwagResponse.StatusCode := IntToStr(HTTP_STATUS.InternalServerError);
|
|
lSwagResponse.Description := 'Internal server error';
|
|
ASwagPathOperation.Responses.Add(lSwagResponse.StatusCode, lSwagResponse);
|
|
end;
|
|
end;
|
|
|
|
class function TMVCSwagger.GetJsonFieldClass(const ASchemaFieldType: TMVCSwagSchemaType): TJsonFieldClass;
|
|
begin
|
|
case ASchemaFieldType of
|
|
stInteger:
|
|
Result := TJsonFieldInteger;
|
|
stInt64:
|
|
Result := TJsonFieldInt64;
|
|
stNumber:
|
|
Result := TJsonFieldNumber;
|
|
stDateTime:
|
|
Result := TJsonFieldDateTime;
|
|
stDate:
|
|
Result := TJsonFieldDate;
|
|
stTime:
|
|
Result := TJsonFieldTime;
|
|
stEnumeration:
|
|
Result := TJsonFieldEnum;
|
|
stBoolean:
|
|
Result := TJsonFieldBoolean;
|
|
stObject:
|
|
Result := TJsonFieldObject;
|
|
stArray:
|
|
Result := TJsonFieldArray;
|
|
stString, stChar:
|
|
Result := TJsonFieldString;
|
|
stGuid:
|
|
Result := TJsonFieldGuid;
|
|
else
|
|
Result := nil;
|
|
end;
|
|
end;
|
|
|
|
class function TMVCSwagger.TypeKindToMVCSwagSchemaType(APropType: TRttiType): TMVCSwagSchemaType;
|
|
begin
|
|
Result := stUnknown;
|
|
|
|
if APropType.TypeKind = tkUnknown then
|
|
Exit;
|
|
|
|
case APropType.TypeKind of
|
|
tkClass:
|
|
begin
|
|
if (APropType.Handle = TypeInfo(TStream)) or (APropType.Handle = TypeInfo(TMemoryStream)) or
|
|
(APropType.Handle = TypeInfo(TStringStream)) then
|
|
Result := stString
|
|
else if TypeIsEnumerable(APropType) then
|
|
Result := stArray
|
|
else
|
|
Result := stObject;
|
|
end;
|
|
tkArray:
|
|
Result := stArray;
|
|
tkString, tkUString, tkChar:
|
|
Result := stString;
|
|
tkRecord:
|
|
begin
|
|
if APropType.Handle = TypeInfo(TGUID) then
|
|
Result := stGuid
|
|
end;
|
|
tkInteger:
|
|
Result := stInteger;
|
|
tkInt64:
|
|
Result := stInt64;
|
|
tkEnumeration:
|
|
begin
|
|
if APropType.Handle = TypeInfo(Boolean) then
|
|
Result := stBoolean
|
|
else
|
|
Result := stEnumeration;
|
|
end;
|
|
tkFloat:
|
|
begin
|
|
if APropType.Handle = TypeInfo(TDateTime) then
|
|
Result := stDateTime
|
|
else if APropType.Handle = TypeInfo(TDate) then
|
|
Result := stDate
|
|
else if APropType.Handle = TypeInfo(TTime) then
|
|
Result := stTime
|
|
else
|
|
Result := stNumber;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
class function TMVCSwagger.GetJWTAuthenticationPath(const AJWTUrlSegment: string;
|
|
AUserNameHeaderName, APasswordHeaderName: string): TSwagPath;
|
|
var
|
|
lSwagPathOp: TSwagPathOperation;
|
|
lSwagResponse: TSwagResponse;
|
|
lSwagParam: TSwagRequestParameter;
|
|
begin
|
|
lSwagPathOp := TSwagPathOperation.Create;
|
|
lSwagPathOp.Tags.Add(JWT_AUTHENTICATION_TAG);
|
|
lSwagPathOp.Operation := ohvPost;
|
|
lSwagPathOp.Security.Add(SECURITY_BASIC_NAME);
|
|
lSwagPathOp.Description := 'Create JSON Web Token';
|
|
lSwagPathOp.Produces.Add(TMVCMediaType.APPLICATION_JSON);
|
|
lSwagParam := TSwagRequestParameter.Create;
|
|
lSwagParam.Name := AUserNameHeaderName;
|
|
lSwagParam.TypeParameter := stpString;
|
|
lSwagParam.Required := False;
|
|
lSwagParam.InLocation := rpiHeader;
|
|
lSwagPathOp.Parameters.Add(lSwagParam);
|
|
|
|
lSwagParam := TSwagRequestParameter.Create;
|
|
lSwagParam.Name := APasswordHeaderName;
|
|
lSwagParam.TypeParameter := stpString;
|
|
lSwagParam.Required := False;
|
|
lSwagParam.InLocation := rpiHeader;
|
|
lSwagPathOp.Parameters.Add(lSwagParam);
|
|
|
|
lSwagResponse := TSwagResponse.Create;
|
|
lSwagResponse.StatusCode := IntToStr(HTTP_STATUS.Unauthorized);
|
|
lSwagResponse.Description := 'Invalid authorization type';
|
|
lSwagPathOp.Responses.Add(lSwagResponse.StatusCode, lSwagResponse);
|
|
|
|
lSwagResponse := TSwagResponse.Create;
|
|
lSwagResponse.StatusCode := IntToStr(HTTP_STATUS.Forbidden);
|
|
lSwagResponse.Description := 'Forbidden';
|
|
lSwagPathOp.Responses.Add(lSwagResponse.StatusCode, lSwagResponse);
|
|
|
|
lSwagResponse := TSwagResponse.Create;
|
|
lSwagResponse.StatusCode := IntToStr(HTTP_STATUS.InternalServerError);
|
|
lSwagResponse.Description := 'Internal server error';
|
|
lSwagPathOp.Responses.Add(lSwagResponse.StatusCode, lSwagResponse);
|
|
|
|
lSwagResponse := TSwagResponse.Create;
|
|
lSwagResponse.StatusCode := IntToStr(HTTP_STATUS.OK);
|
|
lSwagResponse.Description := 'OK';
|
|
lSwagResponse.Schema.JsonSchema := TJSONObject.ParseJSONValue(JWT_JSON_SCHEMA) as TJSONObject;
|
|
lSwagPathOp.Responses.Add(lSwagResponse.StatusCode, lSwagResponse);
|
|
|
|
Result := TSwagPath.Create;
|
|
Result.Uri := AJWTUrlSegment;
|
|
Result.Operations.Add(lSwagPathOp);
|
|
end;
|
|
|
|
class function TMVCSwagger.GetMVCSwagParamsFromMethod(const AMethod: TRttiMethod): TArray<MVCSwagParamAttribute>;
|
|
var
|
|
lAttr: TCustomAttribute;
|
|
begin
|
|
SetLength(Result, 0);
|
|
for lAttr in AMethod.GetAttributes do
|
|
begin
|
|
if lAttr is MVCSwagParamAttribute then
|
|
begin
|
|
Insert([MVCSwagParamAttribute(lAttr)], Result, High(Result));
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
class function TMVCSwagger.GetParamsFromMethod(const AResourcePath: string; const AMethod: TRttiMethod;
|
|
const ASwagDefinitions: TObjectList<TSwagDefinition>): TArray<TSwagRequestParameter>;
|
|
|
|
function TryGetMVCPathParamByName(const AParams: TArray<MVCSwagParamAttribute>; const AParamName: string;
|
|
out AMVCParam: MVCSwagParamAttribute; out AIndex: Integer): Boolean;
|
|
var
|
|
I: Integer;
|
|
begin
|
|
Result := False;
|
|
AMVCParam := nil;
|
|
AIndex := - 1;
|
|
for I := Low(AParams) to High(AParams) do
|
|
if SameText(AParams[I].ParamName, AParamName) and (AParams[I].ParamLocation = plPath) then
|
|
begin
|
|
AMVCParam := AParams[I];
|
|
AIndex := I;
|
|
Exit(True);
|
|
end;
|
|
end;
|
|
|
|
var
|
|
lMatches: TMatchCollection;
|
|
lMatch: TMatch;
|
|
lParamName: string;
|
|
lMethodParam: TRttiParameter;
|
|
lSwagParam: TSwagRequestParameter;
|
|
lMVCSwagParams: TArray<MVCSwagParamAttribute>;
|
|
lMVCParam: MVCSwagParamAttribute;
|
|
lIndex: Integer;
|
|
I: Integer;
|
|
lComparer: IComparer<TSwagDefinition>;
|
|
lClassName: string;
|
|
lSwagDef: TSwagDefinition;
|
|
lSwagDefinition: TSwagDefinition;
|
|
begin
|
|
lMVCSwagParams := GetMVCSwagParamsFromMethod(AMethod);
|
|
|
|
SetLength(Result, 0);
|
|
|
|
// Path parameters
|
|
lMatches := TRegEx.Matches(AResourcePath, '({)([\w_]+)(})', [roIgnoreCase, roMultiLine]);
|
|
for lMatch in lMatches do
|
|
begin
|
|
lParamName := lMatch.Groups[2].Value;
|
|
for lMethodParam in AMethod.GetParameters do
|
|
begin
|
|
if SameText(lMethodParam.Name, lParamName) then
|
|
begin
|
|
lSwagParam := TSwagRequestParameter.Create;
|
|
|
|
if TryGetMVCPathParamByName(lMVCSwagParams, lParamName, lMVCParam, lIndex) then
|
|
begin
|
|
lSwagParam.Name := lParamName;
|
|
lSwagParam.InLocation := MVCParamLocationToSwagRequestParamInLocation(lMVCParam.ParamLocation);
|
|
lSwagParam.Required := lMVCParam.Required;
|
|
lSwagParam.Default := lMVCParam.DefaultValue;
|
|
lSwagParam.Enum.Text := string.Join(sLineBreak, lMVCParam.EnumValues);
|
|
lSwagParam.TypeParameter := MVCParamTypeToSwagTypeParameter(lMVCParam.ParamType);
|
|
lSwagParam.Description := lMVCParam.ParamDescription;
|
|
if not lMVCParam.JsonSchema.IsEmpty then
|
|
begin
|
|
lSwagParam.Schema.JsonSchema := TJSONObject.ParseJSONValue(lMVCParam.JsonSchema) as TJSONObject
|
|
end
|
|
else if Assigned(lMVCParam.JsonSchemaClass) then
|
|
begin
|
|
lComparer := TDelegatedComparer<TSwagDefinition>.Create(
|
|
function(const Left, Right: TSwagDefinition): Integer
|
|
begin
|
|
Result := CompareText(Left.Name, Right.Name);
|
|
end);
|
|
|
|
lClassName := lMVCParam.JsonSchemaClass.ClassName;
|
|
if lClassName.ToUpper.StartsWith('T') then
|
|
lClassName := lClassName.Remove(0, 1);
|
|
|
|
ASwagDefinitions.Sort(lComparer);
|
|
lSwagDef := TSwagDefinition.Create;
|
|
try
|
|
lSwagDef.Name := lClassName;
|
|
if not ASwagDefinitions.BinarySearch(lSwagDef, lIndex, lComparer) then
|
|
begin
|
|
lSwagDefinition := TSwagDefinition.Create;
|
|
lSwagDefinition.Name := lClassName;
|
|
lSwagDefinition.JsonSchema := ExtractJsonSchemaFromClass(lMVCParam.JsonSchemaClass,
|
|
lMVCParam.ParamType = ptArray);
|
|
ASwagDefinitions.Add(lSwagDefinition);
|
|
end;
|
|
finally
|
|
lSwagDef.Free;
|
|
end;
|
|
lSwagParam.Schema.Name := lClassName;
|
|
end;
|
|
Delete(lMVCSwagParams, lIndex, 1);
|
|
end
|
|
else
|
|
begin
|
|
lSwagParam.Name := lParamName;
|
|
lSwagParam.InLocation := rpiPath;
|
|
lSwagParam.Required := True;
|
|
lSwagParam.TypeParameter := RttiTypeToSwagType(lMethodParam.ParamType);
|
|
end;
|
|
Insert([lSwagParam], Result, High(Result));
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
// Other parameters
|
|
for I := Low(lMVCSwagParams) to High(lMVCSwagParams) do
|
|
begin
|
|
lSwagParam := TSwagRequestParameter.Create;
|
|
lSwagParam.Name := lMVCSwagParams[I].ParamName;
|
|
lSwagParam.InLocation := MVCParamLocationToSwagRequestParamInLocation(lMVCSwagParams[I].ParamLocation);
|
|
lSwagParam.Required := lMVCSwagParams[I].Required;
|
|
lSwagParam.Default := lMVCSwagParams[I].DefaultValue;
|
|
lSwagParam.Enum.Text := string.Join(sLineBreak, lMVCSwagParams[I].EnumValues);
|
|
lSwagParam.TypeParameter := MVCParamTypeToSwagTypeParameter(lMVCSwagParams[I].ParamType);
|
|
lSwagParam.Description := lMVCSwagParams[I].ParamDescription;
|
|
if not lMVCSwagParams[I].JsonSchema.IsEmpty then
|
|
begin
|
|
lSwagParam.Schema.JsonSchema := TJSONObject.ParseJSONValue(lMVCSwagParams[I].JsonSchema) as TJSONObject
|
|
end
|
|
else if Assigned(lMVCSwagParams[I].JsonSchemaClass) then
|
|
begin
|
|
lSwagParam.Schema.JsonSchema := ExtractJsonSchemaFromClass(lMVCSwagParams[I].JsonSchemaClass,
|
|
lMVCSwagParams[I].ParamType = ptArray);
|
|
end;
|
|
|
|
Insert([lSwagParam], Result, High(Result));
|
|
end;
|
|
|
|
end;
|
|
|
|
class function TMVCSwagger.MethodRequiresAuthentication(const AMethod: TRttiMethod; const AType: TRttiType;
|
|
out AAuthenticationTypeName: string): Boolean;
|
|
var
|
|
lAttr: TCustomAttribute;
|
|
begin
|
|
Result := False;
|
|
AAuthenticationTypeName := '';
|
|
|
|
for lAttr in AMethod.GetAttributes do
|
|
if lAttr is MVCRequiresAuthenticationAttribute then
|
|
begin
|
|
AAuthenticationTypeName := SECURITY_BEARER_NAME;
|
|
Exit(True);
|
|
end
|
|
else if lAttr is MVCSwagAuthenticationAttribute then
|
|
begin
|
|
case MVCSwagAuthenticationAttribute(lAttr).AuthenticationType of
|
|
atBasic:
|
|
AAuthenticationTypeName := SECURITY_BASIC_NAME;
|
|
atJsonWebToken:
|
|
AAuthenticationTypeName := SECURITY_BEARER_NAME;
|
|
end;
|
|
Exit(True);
|
|
end;
|
|
|
|
for lAttr in AType.GetAttributes do
|
|
if lAttr is MVCRequiresAuthenticationAttribute then
|
|
begin
|
|
AAuthenticationTypeName := SECURITY_BEARER_NAME;
|
|
Exit(True);
|
|
end
|
|
else if lAttr is MVCSwagAuthenticationAttribute then
|
|
begin
|
|
case MVCSwagAuthenticationAttribute(lAttr).AuthenticationType of
|
|
atBasic:
|
|
AAuthenticationTypeName := SECURITY_BASIC_NAME;
|
|
atJsonWebToken:
|
|
AAuthenticationTypeName := SECURITY_BEARER_NAME;
|
|
end;
|
|
Exit(True);
|
|
end;
|
|
end;
|
|
|
|
class function TMVCSwagger.MVCHttpMethodToSwagPathOperation(const AMVCHTTPMethod: TMVCHTTPMethodType)
|
|
: TSwagPathTypeOperation;
|
|
begin
|
|
case AMVCHTTPMethod of
|
|
httpGET:
|
|
Result := ohvGet;
|
|
httpPOST:
|
|
Result := ohvPost;
|
|
httpPUT:
|
|
Result := ohvPut;
|
|
httpDELETE:
|
|
Result := ohvDelete;
|
|
httpHEAD:
|
|
Result := ohvHead;
|
|
httpOPTIONS:
|
|
Result := ohvOptions;
|
|
httpPATCH:
|
|
Result := ohvPatch;
|
|
else
|
|
Result := ohvNotDefined;
|
|
end;
|
|
end;
|
|
|
|
class function TMVCSwagger.MVCParamLocationToSwagRequestParamInLocation(const AMVCSwagParamLocation
|
|
: TMVCSwagParamLocation): TSwagRequestParameterInLocation;
|
|
begin
|
|
case AMVCSwagParamLocation of
|
|
plQuery:
|
|
Result := rpiQuery;
|
|
plHeader:
|
|
Result := rpiHeader;
|
|
plPath:
|
|
Result := rpiPath;
|
|
plFormData:
|
|
Result := rpiFormData;
|
|
plBody:
|
|
Result := rpiBody;
|
|
else
|
|
Result := rpiNotDefined;
|
|
end;
|
|
end;
|
|
|
|
class function TMVCSwagger.MVCParamTypeToSwagTypeParameter(const AMVSwagParamType: TMVCSwagParamType)
|
|
: TSwagTypeParameter;
|
|
begin
|
|
case AMVSwagParamType of
|
|
ptString:
|
|
Result := stpString;
|
|
ptNumber:
|
|
Result := stpNumber;
|
|
ptInteger:
|
|
Result := stpInteger;
|
|
ptBoolean:
|
|
Result := stpBoolean;
|
|
ptArray:
|
|
Result := stpArray;
|
|
ptFile:
|
|
Result := stpFile;
|
|
else
|
|
Result := stpNotDefined;
|
|
end;
|
|
end;
|
|
|
|
class function TMVCSwagger.MVCPathToSwagPath(const AResourcePath: string): string;
|
|
begin
|
|
Result := TRegEx.Replace(AResourcePath, '(\([($])([\w_]+)([)])', '{\2}', [roIgnoreCase, roMultiLine]);
|
|
end;
|
|
|
|
{ MVCSwagSummary }
|
|
|
|
constructor MVCSwagSummaryAttribute.Create(const ATags, ADescription: string; const AOperationId: string;
|
|
ADeprecated: Boolean);
|
|
begin
|
|
fTags := ATags;
|
|
fDescription := ADescription;
|
|
fOperationID := AOperationId;
|
|
fDeprecated := ADeprecated;
|
|
end;
|
|
|
|
function MVCSwagSummaryAttribute.GetTags: TArray<string>;
|
|
begin
|
|
Result := fTags.Split([',']);
|
|
end;
|
|
|
|
{ MVCSwagResponsesAttribute }
|
|
|
|
constructor MVCSwagResponsesAttribute.Create(const AStatusCode: Integer; const ADescription: string;
|
|
const AJsonSchema: string);
|
|
begin
|
|
fStatusCode := AStatusCode;
|
|
fDescription := ADescription;
|
|
fJsonSchema := AJsonSchema;
|
|
fJsonSchemaClass := nil;
|
|
fIsArray := False;
|
|
end;
|
|
|
|
constructor MVCSwagResponsesAttribute.Create(const AStatusCode: Integer; const ADescription: string;
|
|
const AJsonSchemaClass: TClass; const AIsArray: Boolean);
|
|
begin
|
|
Create(AStatusCode, ADescription, '');
|
|
fJsonSchemaClass := AJsonSchemaClass;
|
|
fIsArray := AIsArray;
|
|
end;
|
|
|
|
{ MVCSwagParamAttribute }
|
|
|
|
constructor MVCSwagParamAttribute.Create(const AParamLocation: TMVCSwagParamLocation;
|
|
const AParamName, AParamDescription: string; const AParamType: TMVCSwagParamType; const ARequired: Boolean;
|
|
const ADefaultValue, AEnumValues, AJsonSchema: string);
|
|
begin
|
|
fParamLocation := AParamLocation;
|
|
fParamName := AParamName;
|
|
fParamDescription := AParamDescription;
|
|
fParamType := AParamType;
|
|
fRequired := ARequired;
|
|
fDefaultValue := ADefaultValue;
|
|
fEnumValues := AEnumValues;
|
|
fJsonSchema := AJsonSchema;
|
|
fJsonSchemaClass := nil;
|
|
end;
|
|
|
|
constructor MVCSwagParamAttribute.Create(const AParamLocation: TMVCSwagParamLocation;
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const AParamName, AParamDescription: string; const AJsonSchemaClass: TClass; const AParamType: TMVCSwagParamType;
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const ARequired: Boolean; const ADefaultValue, AEnumValues: string);
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|
begin
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Create(AParamLocation, AParamName, AParamDescription, AParamType, ARequired, ADefaultValue, AEnumValues, '');
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fJsonSchemaClass := AJsonSchemaClass;
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end;
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|
|
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function MVCSwagParamAttribute.GetEnumValues: TArray<string>;
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begin
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Result := fEnumValues.Split([',', ';']);
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end;
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{ MVCSwagJSONSchemaFieldAttribute }
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|
|
|
constructor MVCSwagJSONSchemaFieldAttribute.Create(const AFieldName, ADescription: string;
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|
const ARequired, ANullable: Boolean);
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|
begin
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Create(stUnknown, AFieldName, ADescription, ARequired, ANullable);
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|
end;
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|
|
|
constructor MVCSwagJSONSchemaFieldAttribute.Create(const ASchemaFieldType: TMVCSwagSchemaType;
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const AFieldName, ADescription: string; const ARequired, ANullable: Boolean);
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|
begin
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|
fSchemaFieldType := ASchemaFieldType;
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|
fFieldName := AFieldName;
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|
fDescription := ADescription;
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|
fRequired := ARequired;
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|
fNullable := ANullable;
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|
end;
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|
|
|
{ TFieldSchemaDefinition }
|
|
|
|
class function TFieldSchemaDefinition.Create: TFieldSchemaDefinition;
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|
begin
|
|
Result.SchemaFieldType := stUnknown;
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|
Result.FieldName := '';
|
|
Result.Description := '';
|
|
Result.Required := False;
|
|
Result.Nullable := False;
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|
end;
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|
|
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{ MVCSwagAuthenticationAttribute }
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|
|
|
constructor MVCSwagAuthenticationAttribute.Create(const AAuthenticationType: TMVCSwagAuthenticationType);
|
|
begin
|
|
fAuthenticationType := AAuthenticationType;
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|
end;
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|
|
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{ TArrayHelper }
|
|
|
|
class procedure TArrayHelper.QuickSort<T>(var Values: array of T; const Comparer: IComparer<T>; L, R: Integer);
|
|
var
|
|
I, J: Integer;
|
|
pivot, temp: T;
|
|
begin
|
|
if L < R then
|
|
begin
|
|
repeat
|
|
if (R - L) = 1 then
|
|
begin
|
|
if Comparer.Compare(Values[L], Values[R]) > 0 then
|
|
begin
|
|
temp := Values[L];
|
|
Values[L] := Values[R];
|
|
Values[R] := temp;
|
|
end;
|
|
break;
|
|
end;
|
|
I := L;
|
|
J := R;
|
|
pivot := Values[L + (R - L) shr 1];
|
|
repeat
|
|
while Comparer.Compare(Values[I], pivot) < 0 do
|
|
Inc(I);
|
|
while Comparer.Compare(Values[J], pivot) > 0 do
|
|
Dec(J);
|
|
if I <= J then
|
|
begin
|
|
if I <> J then
|
|
begin
|
|
temp := Values[I];
|
|
Values[I] := Values[J];
|
|
Values[J] := temp;
|
|
end;
|
|
Inc(I);
|
|
Dec(J);
|
|
end;
|
|
until I > J;
|
|
if (J - L) > (R - I) then
|
|
begin
|
|
if I < R then
|
|
QuickSort<T>(Values, Comparer, I, R);
|
|
R := J;
|
|
end
|
|
else
|
|
begin
|
|
if L < J then
|
|
QuickSort<T>(Values, Comparer, L, J);
|
|
L := I;
|
|
end;
|
|
until L >= R;
|
|
end;
|
|
end;
|
|
|
|
end.
|