nuts-foundation/nuts-discovery

/*
 *     Nuts discovery service for Corda network creation
 *     Copyright (C) 2020 Nuts community
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 */

package nl.nuts.discovery.api

import com.fasterxml.jackson.annotation.JsonIgnore
import com.fasterxml.jackson.annotation.JsonProperty
import net.corda.core.identity.CordaX500Name
import org.bouncycastle.asn1.ASN1String
import org.bouncycastle.asn1.x500.style.BCStyle
import org.bouncycastle.pkcs.PKCS10CertificationRequest
import org.bouncycastle.util.io.pem.PemObject
import org.bouncycastle.util.io.pem.PemWriter
import java.io.StringWriter
import java.time.LocalDateTime

/**
 * SignRequest wraps a PKCS10CertificationRequest and provides extra properties to serialize it as json.
 */
data class SignRequest(@JsonIgnore val request: PKCS10CertificationRequest) {
    var submissionTime: LocalDateTime = LocalDateTime.now()

    /**
     * Returns the CordaX500Name from the subject
     */
    @JsonProperty
    fun legalName(): CordaX500Name {
        return CordaX500Name.parse(this.request.subject.toString())
    }

    /**
     * Returns whether or not this node is a notary
     */
    @JsonProperty
    fun notary(): Boolean {
        return this.request.subject.toString().contains("notary")
    }

    /**
     * returns the email from the certificate request
     */
    @JsonProperty
    fun email(): String {
        val emailAttr = this.request.getAttributes(BCStyle.EmailAddress)!!.first()
        val emailASN1String = emailAttr!!.attrValues.getObjectAt(0) as ASN1String
        return emailASN1String.string
    }

    /**
     * The public key of the Certificate Request
     */
    @JsonProperty
    fun publicKey(): String {
        this.request
        val str = StringWriter()
        val pemWriter = PemWriter(str)
        val pemObject = PemObject("CERTIFICATE REQUEST", this.request.encoded)
        pemWriter.writeObject(pemObject)
        pemWriter.close()
        str.close()
        return str.toString()
    }

    /**
     * Whether or not this request is approved.
     */
    @JsonProperty
    fun approved(): Boolean {
        return false
    }

}