Draft: Add GaiaxSD template

build.gradle.kts

@@ -40,7 +40,7 @@ dependencies {
     implementation("com.google.guava:guava:31.0.1-jre")
 
     // VC
-    implementation("id.walt:waltid-ssikit-vclib:1.5-SNAPSHOT")
+    implementation("id.walt:waltid-ssikit-vclib:1.6-SNAPSHOT")
 
     // JSON
     implementation("org.json:json:20210307")

src/main/kotlin/id/walt/auditor/PolicyRegistry.kt

@@ -22,5 +22,6 @@ object PolicyRegistry {
         register(ValidFromBeforePolicy())
         register(ExpirationDateAfterPolicy())
         register(GaiaxTrustedPolicy())
+        register(GaiaxSDPolicy())
     }
 }

src/main/kotlin/id/walt/auditor/VerificationPolicy.kt

@@ -11,6 +11,7 @@ import id.walt.vclib.Helpers.encode
 import id.walt.vclib.VcUtils
 import id.walt.vclib.credentials.GaiaxCredential
 import id.walt.vclib.credentials.VerifiablePresentation
+import id.walt.vclib.credentials.GaiaxSD
 import id.walt.vclib.model.VerifiableCredential
 import id.walt.vclib.schema.SchemaService
 import kotlinx.serialization.Serializable
@@ -200,6 +201,13 @@ class GaiaxTrustedPolicy : VerificationPolicy {
     }
 }
 
+class GaiaxSDPolicy : VerificationPolicy {
+    override val description: String = "Verify Gaiax SD fields"
+    override fun verify(vc: VerifiableCredential): Boolean {
+        return true
+    }
+}
+
 private fun parseDate(date: String?) = try {
     dateFormatter.parse(date)
 } catch (e: Exception) {

src/main/kotlin/id/walt/signatory/CLIDataProvider.kt

@@ -1,6 +1,7 @@
 package id.walt.signatory
 
 import id.walt.vclib.model.VerifiableCredential
+import id.walt.vclib.credentials.GaiaxSD
 import id.walt.vclib.credentials.GaiaxCredential
 import id.walt.vclib.credentials.VerifiableDiploma
 import id.walt.vclib.credentials.VerifiableId
@@ -12,6 +13,7 @@ object CLIDataProviders {
             "VerifiableDiploma" -> VerifiableDiplomaCLIDataProvider()
             "VerifiableId" -> VerifiableIDCLIDataProvider()
             "GaiaxCredential" -> GaiaxCLIDataProvider()
+            "GaiaxSD" -> GaiaxSDProvider()
             else -> null
         }
     }
@@ -183,6 +185,33 @@ class GaiaxCLIDataProvider : CLIDataProvider() {
     }
 }
 
+
+class GaiaxSDProvider : CLIDataProvider() {
+    override fun populate(template: VerifiableCredential, proofConfig: ProofConfig): VerifiableCredential {
+        (template as GaiaxSD).apply {
+            println()
+            println("> Subject information")
+            println()
+            issuer = proofConfig.issuerDid
+            credentialSubject.apply {
+                if (proofConfig.subjectDid != null) id = proofConfig.subjectDid
+                type = prompt("Type", "Service") ?: ""
+                hasName = prompt("Name", "AIS") ?: ""
+                description = prompt("Description", "AIS demonstrates machine learning application use case.") ?:""
+                hasVersion = prompt("Version", "0.1.0") ?: ""
+                providedBy = prompt("Provided by", "GAIA-X") ?: ""
+                hasMarketingImage = prompt("Marketing Image", "https://www.data-infrastructure.eu/GAIAX/Redaktion/EN/Bilder/UseCases/ai-marketplace-for-product-development.jpg?__blob=normal") ?: ""
+                hasCertifications = listOf(prompt("Certifications", hasCertifications?.get(0)) ?: "")
+                utilizes = listOf(prompt("Utilizes", utilizes?.get(0)) ?: "")
+                dependsOn = listOf(prompt("Depends on", dependsOn?.get(0)) ?: "")
+            }
+        }
+
+        return template
+    }
+}
+
+
 class VerifiableIDCLIDataProvider : CLIDataProvider() {
     override fun populate(template : VerifiableCredential, proofConfig: ProofConfig): VerifiableCredential {
         template as VerifiableId

src/main/kotlin/id/walt/signatory/SignatoryDataProvider.kt

@@ -32,6 +32,7 @@ object DataProviderRegistry {
         register(VerifiableId::class, VerifiableIdDataProvider())
         register(Europass::class, EuropassDataProvider())
         register(GaiaxCredential::class, DeltaDaoDataProvider())
+        register(GaiaxSD::class, SdDataProvider())
         register(PermanentResidentCard::class, PermanentResidentCardDataProvider())
     }
 }
@@ -118,6 +119,19 @@ class NoSuchDataProviderException(credentialType: KClass<out VerifiableCredentia
     Exception("No data provider is registered for ${credentialType.simpleName}")
 
 
+
+class SdDataProvider : SignatoryDataProvider {
+
+    override fun populate(template: VerifiableCredential, proofConfig: ProofConfig): GaiaxSD {
+        val vc = template as GaiaxSD
+        vc.id = proofConfig.credentialId
+        vc.issuer = proofConfig.issuerDid
+        vc.credentialSubject!!.id = proofConfig.subjectDid!!
+        return vc
+    }
+}
+
+
 class DeltaDaoDataProvider : SignatoryDataProvider {
     override fun populate(template: VerifiableCredential, proofConfig: ProofConfig): VerifiableCredential {
         if (template is GaiaxCredential) {