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src/did/controllers/did.controller.ts

@@ -50,6 +50,8 @@ import { RegisterDidDto } from '../dto/register-did.dto';
 import { IKeyType } from 'hs-ssi-sdk';
 import { AtLeastOneParamPipe } from 'src/utils/Pipes/atleastOneParam.pipe';
 import { AddVMResponse, AddVerificationMethodDto } from '../dto/addVm.dto';
+import { SignDidDto, SignedDidDocument } from '../dto/sign-did.dto';
+import { VerifyDidDocResponseDto, VerifyDidDto } from '../dto/verify-did.dto';
 @UseFilters(AllExceptionsFilter)
 @ApiTags('Did')
 @Controller('did')
@@ -192,7 +194,7 @@ export class DidController {
   }
 
   @Post('/addVerificationMethod')
-  @ApiCreatedResponse({
+  @ApiOkResponse({
     description: 'Added vm to Did Document',
     type: AddVMResponse,
   })
@@ -217,12 +219,73 @@ export class DidController {
   addVerficationMethod(
     @Headers('Authorization') authorization: string,
     @Body() addVm: AddVerificationMethodDto,
-    @Req() req: any,
   ) {
     Logger.log('addVerificationMethod() method: starts', 'DidController');
     return this.didService.addVerificationMethod(addVm);
   }
-  @ApiCreatedResponse({
+
+  @Post('/sign')
+  @ApiOkResponse({
+    description: 'DidDocument is signed successfully',
+    type: SignedDidDocument,
+  })
+  @ApiBadRequestResponse({
+    status: 400,
+    description: 'Error occured at the time of signing did',
+    type: DidError,
+  })
+  @ApiHeader({
+    name: 'Authorization',
+    description: 'Bearer <access_token>',
+    required: false,
+  })
+  @ApiHeader({
+    name: 'Origin',
+    description: 'Origin as you set in application cors',
+    required: false,
+  })
+  @UsePipes(ValidationPipe)
+  @UsePipes(new AtLeastOneParamPipe(['did', 'didDocument']))
+  SignDidDocument(
+    @Headers('Authorization') authorization: string,
+    @Req() req: any,
+    @Body() signDidDocDto: SignDidDto,
+  ) {
+    Logger.log('SignDidDocument() method: starts', 'DidController');
+    return this.didService.SignDidDocument(signDidDocDto, req.user);
+  }
+  @Post('/verify')
+  @ApiOkResponse({
+    description: 'DidDocument is verified successfully',
+    type: VerifyDidDocResponseDto,
+  })
+  @ApiBadRequestResponse({
+    status: 400,
+    description: 'Error occured at the time of verifing did',
+    type: DidError,
+  })
+  @ApiHeader({
+    name: 'Authorization',
+    description: 'Bearer <access_token>',
+    required: false,
+  })
+  @ApiHeader({
+    name: 'Origin',
+    description: 'Origin as you set in application cors',
+    required: false,
+  })
+  @UsePipes(ValidationPipe)
+  @UsePipes(new AtLeastOneParamPipe(['did', 'didDocument']))
+  VerifyDidDocument(
+    @Headers('Authorization') authorization: string,
+    @Req() req: any,
+    @Body() verifyDidDto: VerifyDidDto,
+  ) {
+    Logger.log('VerifyDidDocument() method: starts', 'DidController');
+    return this.didService.VerifyDidDocument(verifyDidDto, req.user);
+  }
+
+  @ApiOkResponse({
     description: 'DID Registred',
     type: RegisterDidResponse,
   })

src/did/dto/sign-did.dto.ts

@@ -0,0 +1,157 @@
+import { ApiProperty } from '@nestjs/swagger';
+import { DidDoc } from './update-did.dto';
+import {
+  IsEnum,
+  IsNotEmptyObject,
+  IsOptional,
+  IsString,
+  Matches,
+  ValidateIf,
+  ValidateNested,
+} from 'class-validator';
+import { Type } from 'class-transformer';
+import { ValidateVerificationMethodId } from 'src/utils/customDecorator/vmId.decorator';
+import { IsDid } from 'src/utils/customDecorator/did.decorator';
+import { SupportedPurpose } from 'hs-ssi-sdk';
+
+export enum Purpose {
+  'assertion' = 'assertion',
+  'authentication' = 'authentication',
+}
+export class Proof {
+  @ApiProperty({
+    name: 'type',
+    description: 'signature type',
+    example: 'Ed25519Signature2020',
+  })
+  @IsString()
+  type: string;
+  @ApiProperty({
+    name: 'created',
+    description: 'Time at which documant is signed',
+    example: '2024-05-10T08:29:15Z',
+  })
+  @IsString()
+  created: string;
+  @ApiProperty({
+    name: 'verificationMethod',
+    description: 'verificationMethodId which is used for signing',
+    example:
+      'did:hid:testnet:z6MkvfkK24wE6KxJbw6XadDkmMSZwhmtJx4mYZG6hFci9eNm#key-1',
+  })
+  @IsString()
+  @ValidateVerificationMethodId()
+  verificationMethod: string;
+  @ApiProperty({
+    name: 'proofPurpose',
+    description: 'proofPurpose',
+    example: SupportedPurpose.authentication,
+  })
+  @IsString()
+  proofPurpose: string;
+  @ApiProperty({
+    name: 'challenge',
+    description:
+      'Random string used to sign in required in case of purpose authentication',
+    example: 'skfdhldklgjh-gaghkdhgaskda-aisgkjheyi',
+  })
+  @ValidateIf((o) => o.purpose === 'authentication')
+  @IsString()
+  challenge?: string;
+  @ApiProperty({
+    name: 'domain',
+    description: 'domain',
+    example: 'example.com',
+  })
+  @ValidateIf((o) => o.purpose === 'authentication')
+  @IsString()
+  domain?: string;
+
+  @ApiProperty({
+    name: 'proofValue',
+    description: 'proofValue of the didDocument',
+    example:
+      'z4CQEX1xAHauoMbAXfP3igFoKfPAETrGc3FwC5CAtnnLLZEX9FwghJ1eashf9zANfnNPYLZVyhGVg4m43Q9fs',
+  })
+  @IsString()
+  proofValue: string;
+}
+
+export class SignedDidDocument extends DidDoc {
+  @ApiProperty({
+    name: 'proof',
+    description: 'proof object of didDocument',
+    type: Proof,
+  })
+  proof: Proof;
+}
+
+export class BaseDidDto {
+  @ApiProperty({
+    name: 'didDocument',
+    description: 'didDocument',
+    type: DidDoc,
+  })
+  didDocument: any;
+  @ApiProperty({
+    description: 'Verification Method id for did registration',
+    example: 'did:hid:testnet:........#key-${idx}',
+    required: true,
+  })
+  @ValidateVerificationMethodId()
+  @IsString()
+  @Matches(/^[a-zA-Z0-9\:]*testnet[a-zA-Z0-9\-:#]*$/, {
+    message: "Did's namespace should be testnet",
+  }) // this is to validate if did is generated using empty namespace
+  verificationMethodId: string;
+  @ApiProperty({
+    name: 'purpose',
+    description: 'purpose for signing didDocument',
+    example: 'authentication',
+    required: false,
+  })
+  @IsString()
+  @IsEnum(SupportedPurpose)
+  purpose: SupportedPurpose;
+  @ApiProperty({
+    name: 'challenge',
+    description:
+      'Random string used to sign in required in case of purpose authentication',
+    example: 'skfdhldklgjh-gaghkdhgaskda-aisgkjheyi',
+    required: false,
+  })
+  @ValidateIf((o) => o.purpose === 'authentication')
+  @IsString()
+  challenge: string;
+  @ApiProperty({
+    name: 'domain',
+    description: 'domain',
+    example: 'example.com',
+    required: false,
+  })
+  @ValidateIf((o) => o.purpose === 'authentication')
+  @IsString()
+  domain: string;
+}
+
+export class SignDidDto extends BaseDidDto {
+  @ApiProperty({
+    name: 'didDocument',
+    description: 'didDocument',
+    type: DidDoc,
+  })
+  @IsOptional()
+  @IsNotEmptyObject()
+  @Type(() => DidDoc)
+  @ValidateNested({ each: true })
+  didDocument: DidDoc;
+  @ApiProperty({
+    name: 'did',
+    description: 'Id of the didDocument',
+    example: 'did:hid:testnet:........',
+  })
+  @IsOptional()
+  @IsDid()
+  @IsString()
+  did: string;
+}