Estonian-ID-card-mobile-aut.../demoBackend/src/main/kotlin/com/tarkvaratehnika/demobackend/security/AuthTokenDTOAuthenticationP...

71 lines
3.2 KiB
Kotlin

/*
* Copyright (c) 2020, 2021 The Web eID Project
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package com.tarkvaratehnika.demobackend.security
import com.tarkvaratehnika.demobackend.config.ValidationConfiguration
import org.springframework.security.authentication.AuthenticationServiceException
import org.springframework.security.core.Authentication
import org.springframework.security.core.AuthenticationException
import org.springframework.security.core.GrantedAuthority
import org.springframework.security.core.authority.SimpleGrantedAuthority
import org.springframework.security.web.authentication.preauth.PreAuthenticatedAuthenticationToken
import org.springframework.stereotype.Component
import org.webeid.security.exceptions.TokenValidationException
import org.webeid.security.validator.AuthTokenValidator
import java.security.cert.CertificateEncodingException
import java.security.cert.X509Certificate
@Component
class AuthTokenDTOAuthenticationProvider {
companion object {
const val ROLE_USER : String = "ROLE_USER"
}
private val USER_ROLE: GrantedAuthority = SimpleGrantedAuthority(ROLE_USER)
val tokenValidator: AuthTokenValidator = ValidationConfiguration().validator()
@Throws(AuthenticationException::class)
fun authenticate(auth : Authentication) : Authentication {
val authentication = auth as PreAuthenticatedAuthenticationToken
val token = (authentication.credentials as AuthTokenDTO).token
val challenge = (authentication.credentials as AuthTokenDTO).challenge
val authorities = arrayListOf<GrantedAuthority>()
authorities.add(USER_ROLE)
try {
val userCertificate: X509Certificate = tokenValidator.validate(token)
return WebEidAuthentication.fromCertificate(userCertificate, authorities, challenge)
} catch (e : TokenValidationException) {
// Validation failed.
throw AuthenticationServiceException("Token validation failed. " + e.message)
} catch (e : CertificateEncodingException) {
// Failed to extract subject fields from the certificate.
throw AuthenticationServiceException("Incorrect certificate subject fields: " + e.message)
}
}
}