Initial commit
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defiQUG
48
core/as4/build.gradle.kts
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48
core/as4/build.gradle.kts
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plugins {
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id("com.android.library")
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id("org.jetbrains.kotlin.android")
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id("kotlin-kapt")
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id("dagger.hilt.android.plugin")
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}
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android {
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namespace = "com.smoa.core.as4"
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compileSdk = AppConfig.compileSdk
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defaultConfig {
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minSdk = AppConfig.minSdk
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}
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compileOptions {
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sourceCompatibility = JavaVersion.VERSION_17
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targetCompatibility = JavaVersion.VERSION_17
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}
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kotlinOptions {
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jvmTarget = "17"
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}
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}
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dependencies {
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implementation(project(":core:common"))
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implementation(project(":core:security"))
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implementation(Dependencies.androidxCoreKtx)
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// AS4/XML Security
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implementation(Dependencies.cxfCore)
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implementation(Dependencies.cxfRtFrontendJaxws)
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implementation(Dependencies.cxfRtBindingsSoap)
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implementation(Dependencies.santuario)
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// Cryptography
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implementation(Dependencies.bouncycastle)
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implementation(Dependencies.bouncycastlePkix)
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implementation(Dependencies.hiltAndroid)
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kapt(Dependencies.hiltAndroidCompiler)
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implementation(Dependencies.coroutinesCore)
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implementation(Dependencies.coroutinesAndroid)
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}
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26
core/as4/src/main/java/com/smoa/core/as4/AS4Gateway.kt
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26
core/as4/src/main/java/com/smoa/core/as4/AS4Gateway.kt
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package com.smoa.core.as4
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import com.smoa.core.as4.domain.AS4Service
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import com.smoa.core.common.Result
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import javax.inject.Inject
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/**
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* AS4 Gateway - Main entry point for AS4 messaging.
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* Delegates to AS4Service for actual implementation.
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*/
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class AS4Gateway @Inject constructor(
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private val as4Service: AS4Service
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) {
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// Gateway methods delegate to service
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suspend fun sendMessage(fromParty: com.smoa.core.as4.domain.AS4Party, toParty: com.smoa.core.as4.domain.AS4Party, payload: ByteArray): Result<String> {
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val messageResult = as4Service.createMessage(fromParty, toParty, payload, null)
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return when (messageResult) {
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is Result.Success -> {
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val sendResult = as4Service.sendMessage(messageResult.data)
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sendResult
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}
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is Result.Error -> Result.Error(messageResult.exception)
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is Result.Loading -> Result.Loading
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}
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}
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}
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@@ -0,0 +1,65 @@
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package com.smoa.core.as4.domain
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import java.util.Date
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/**
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* AS4 message models per OASIS AS4 Profile 1.0.
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*/
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data class AS4Message(
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val messageId: String,
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val timestamp: Date,
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val fromParty: AS4Party,
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val toParty: AS4Party,
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val conversationId: String?,
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val service: String?,
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val action: String?,
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val payload: ByteArray,
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val security: AS4Security,
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val reliability: AS4Reliability?
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)
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data class AS4Party(
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val partyId: String,
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val role: String?
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)
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data class AS4Security(
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val signature: XMLSignature,
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val encryption: XMLEncryption?,
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val certificate: String // X.509 certificate
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)
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data class XMLSignature(
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val signatureValue: String,
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val signatureMethod: String,
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val canonicalizationMethod: String,
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val signedInfo: SignedInfo
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)
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data class SignedInfo(
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val canonicalizationMethod: String,
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val signatureMethod: String,
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val references: List<Reference>
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)
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data class Reference(
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val uri: String,
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val digestMethod: String,
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val digestValue: String
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)
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data class XMLEncryption(
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val encryptionMethod: String,
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val cipherData: CipherData
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)
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data class CipherData(
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val cipherValue: String
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)
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data class AS4Reliability(
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val messageSequenceNumber: Long,
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val acknowledgmentRequested: Boolean,
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val duplicateElimination: Boolean
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)
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@@ -0,0 +1,98 @@
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package com.smoa.core.as4.domain
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import com.smoa.core.common.Result
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import com.smoa.core.security.AuditLogger
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import com.smoa.core.security.AuditEventType
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import java.util.Date
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import java.util.UUID
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import javax.inject.Inject
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import javax.inject.Singleton
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/**
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* AS4 Gateway service for secure inter-agency messaging.
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* Per OASIS AS4 Profile 1.0 specification.
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*
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* Full implementation will include:
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* - WS-Security SOAP header construction
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* - XML Digital Signature (XMLDSig)
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* - XML Encryption (XMLEnc)
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* - WS-ReliableMessaging
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* - Receipt generation with non-repudiation
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*/
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@Singleton
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class AS4Service @Inject constructor(
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private val auditLogger: AuditLogger
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) {
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/**
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* Create AS4 message envelope.
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* TODO: Full implementation with Apache CXF and Santuario
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*/
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suspend fun createMessage(
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fromParty: AS4Party,
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toParty: AS4Party,
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payload: ByteArray,
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action: String?
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): Result<AS4Message> {
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return try {
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val message = AS4Message(
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messageId = UUID.randomUUID().toString(),
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timestamp = Date(),
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fromParty = fromParty,
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toParty = toParty,
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conversationId = null,
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service = "http://docs.oasis-open.org/ebxml-msg/ebms/v3.0/ns/core/200704/service",
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action = action,
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payload = payload,
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security = AS4Security(
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signature = XMLSignature(
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signatureValue = "", // TODO: Generate signature
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signatureMethod = "http://www.w3.org/2001/04/xmldsig-more#rsa-sha256",
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canonicalizationMethod = "http://www.w3.org/2001/10/xml-exc-c14n#",
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signedInfo = SignedInfo(
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canonicalizationMethod = "http://www.w3.org/2001/10/xml-exc-c14n#",
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signatureMethod = "http://www.w3.org/2001/04/xmldsig-more#rsa-sha256",
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references = emptyList()
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)
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),
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encryption = null, // TODO: Add encryption if needed
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certificate = "" // TODO: Include X.509 certificate
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),
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reliability = AS4Reliability(
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messageSequenceNumber = 1L,
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acknowledgmentRequested = true,
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duplicateElimination = true
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)
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)
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auditLogger.logEvent(
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AuditEventType.COMMUNICATION_SESSION_START,
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userId = fromParty.partyId,
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module = "as4",
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details = "AS4 message created: ${message.messageId}"
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)
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Result.Success(message)
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} catch (e: Exception) {
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Result.Error(e)
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}
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}
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/**
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* Send AS4 message.
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* TODO: Implement actual sending via HTTP/HTTPS with SOAP
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*/
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suspend fun sendMessage(message: AS4Message): Result<String> {
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// Placeholder - full implementation will use Apache CXF
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return Result.Success("Message sent (simulated)")
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}
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/**
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* Receive and process AS4 message.
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*/
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suspend fun receiveMessage(messageData: ByteArray): Result<AS4Message> {
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// Placeholder - full implementation will parse SOAP envelope
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return Result.Error(NotImplementedError("AS4 message reception not yet implemented"))
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}
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}
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