Merge pull request #62 from SyncrowIOT/SP-275-be-implement-validation-for-the-password-in-the-sign-up-and-forget-password

Sp 275 be implement validation for the password in the sign up and forget password

src/auth/dtos/user-auth.dto.ts

@@ -1,5 +1,6 @@
 import { ApiProperty } from '@nestjs/swagger';
 import { IsEmail, IsNotEmpty, IsString } from 'class-validator';
+import { IsPasswordStrong } from 'src/validators/password.validator';
 
 export class UserSignUpDto {
   @ApiProperty({
@@ -16,6 +17,10 @@ export class UserSignUpDto {
   })
   @IsString()
   @IsNotEmpty()
+  @IsPasswordStrong({
+    message:
+      'password must be at least 8 characters long and include at least one uppercase letter, one lowercase letter, one numeric digit, and one special character.',
+  })
   public password: string;
 
   @ApiProperty({

src/auth/dtos/user-password.dto.ts

@@ -1,14 +1,25 @@
 import { ApiProperty } from '@nestjs/swagger';
 import { IsEmail, IsNotEmpty, IsString } from 'class-validator';
+import { IsPasswordStrong } from 'src/validators/password.validator';
 
 export class ForgetPasswordDto {
-  @ApiProperty()
+  @ApiProperty({
+    description: 'email',
+    required: true,
+  })
   @IsEmail()
   @IsNotEmpty()
-  email: string;
+  public email: string;
 
-  @ApiProperty()
+  @ApiProperty({
+    description: 'password',
+    required: true,
+  })
   @IsString()
   @IsNotEmpty()
-  password: string;
+  @IsPasswordStrong({
+    message:
+      'password must be at least 8 characters long and include at least one uppercase letter, one lowercase letter, one numeric digit, and one special character.',
+  })
+  public password: string;
 }

src/validators/password.validator.ts

@@ -0,0 +1,33 @@
+import {
+  registerDecorator,
+  ValidationOptions,
+  ValidatorConstraint,
+  ValidatorConstraintInterface,
+} from 'class-validator';
+
+@ValidatorConstraint({ async: false })
+export class IsPasswordStrongConstraint
+  implements ValidatorConstraintInterface
+{
+  validate(password: string) {
+    const regex =
+      /^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,}$/;
+    return regex.test(password);
+  }
+
+  defaultMessage() {
+    return 'password must be at least 8 characters long and include at least one uppercase letter, one lowercase letter, one numeric digit, and one special character.';
+  }
+}
+
+export function IsPasswordStrong(validationOptions?: ValidationOptions) {
+  return function (object: Record<string, any>, propertyName: string) {
+    registerDecorator({
+      target: object.constructor,
+      propertyName: propertyName,
+      options: validationOptions,
+      constraints: [],
+      validator: IsPasswordStrongConstraint,
+    });
+  };
+}