fix: 鍵の形式を修正

src/main/kotlin/dev/usbharu/hideout/plugins/ActivityPub.kt

@@ -152,7 +152,7 @@ class KtorKeyMap(private val userAuthRepository: IUserAuthService) : KeyMap {
             userAuthRepository.findByUsername(
                 username
             ).publicKey?.replace("-----BEGIN PUBLIC KEY-----", "-----END PUBLIC KEY-----")?.replace("", "")
-                ?.replace("\\n", "")
+                ?.replace("\n", "")
         )
         val x509EncodedKeySpec = X509EncodedKeySpec(publicBytes)
         return@runBlocking KeyFactory.getInstance("RSA").generatePublic(x509EncodedKeySpec)
@@ -165,7 +165,7 @@ class KtorKeyMap(private val userAuthRepository: IUserAuthService) : KeyMap {
             userAuthRepository.findByUsername(
                 username
             ).privateKey?.replace("-----BEGIN RSA PRIVATE KEY-----", "")?.replace("-----END RSA PRIVATE KEY-----", "")
-                ?.replace("\\n", "")
+                ?.replace("\n", "")
         )
         val x509EncodedKeySpec = PKCS8EncodedKeySpec(publicBytes)
         return@runBlocking KeyFactory.getInstance("RSA").generatePrivate(x509EncodedKeySpec)

src/main/kotlin/dev/usbharu/hideout/service/UserAuthService.kt

@@ -12,6 +12,8 @@ import io.ktor.util.*
 import java.security.KeyPair
 import java.security.KeyPairGenerator
 import java.security.MessageDigest
+import java.security.PrivateKey
+import java.security.PublicKey
 import java.security.interfaces.RSAPrivateKey
 import java.security.interfaces.RSAPublicKey
 import java.util.*
@@ -81,19 +83,21 @@ class UserAuthService(
     }
 
 
-    private fun RSAPublicKey.toPem(): String {
-        return "-----BEGIN RSA PUBLIC KEY-----" +
-                Base64.getEncoder().encodeToString(encoded) +
-                "-----END RSA PUBLIC KEY-----"
-    }
 
-    private fun RSAPrivateKey.toPem(): String {
-        return "-----BEGIN RSA PRIVATE KEY-----" +
-                Base64.getEncoder().encodeToString(encoded) +
-                "-----END RSA PRIVATE KEY-----"
-    }
 
     companion object {
         val sha256: MessageDigest = MessageDigest.getInstance("SHA-256")
     }
 }
+
+public fun PublicKey.toPem(): String {
+    return "-----BEGIN RSA PUBLIC KEY-----" +
+            Base64.getEncoder().encodeToString(encoded).chunked(64).joinToString("\n") +
+            "-----END RSA PUBLIC KEY-----"
+}
+
+public fun PrivateKey.toPem(): String {
+    return "-----BEGIN RSA PRIVATE KEY-----" +
+            Base64.getEncoder().encodeToString(encoded).chunked(64).joinToString("\n") +
+            "-----END RSA PRIVATE KEY-----"
+}

src/test/kotlin/dev/usbharu/hideout/plugins/ActivityPubKtTest.kt

@@ -8,6 +8,7 @@ import dev.usbharu.hideout.domain.model.UserEntity
 import dev.usbharu.hideout.repository.IUserAuthRepository
 import dev.usbharu.hideout.repository.IUserRepository
 import dev.usbharu.hideout.service.UserAuthService
+import dev.usbharu.hideout.service.toPem
 import io.ktor.client.*
 import io.ktor.client.engine.mock.*
 import io.ktor.client.plugins.logging.*
@@ -107,16 +108,4 @@ class ActivityPubKtTest {
 
 
     }
-
-    fun RSAPublicKey.toPem(): String {
-        return "-----BEGIN RSA PUBLIC KEY-----" +
-                Base64.getEncoder().encodeToString(encoded) +
-                "-----END RSA PUBLIC KEY-----"
-    }
-
-    fun RSAPrivateKey.toPem(): String {
-        return "-----BEGIN RSA PRIVATE KEY-----" +
-                Base64.getEncoder().encodeToString(encoded) +
-                "-----END RSA PRIVATE KEY-----"
-    }
 }

src/test/kotlin/dev/usbharu/hideout/plugins/KtorKeyMapTest.kt

@@ -7,6 +7,7 @@ import dev.usbharu.hideout.domain.model.UserEntity
 import dev.usbharu.hideout.repository.IUserAuthRepository
 import dev.usbharu.hideout.repository.IUserRepository
 import dev.usbharu.hideout.service.UserAuthService
+import dev.usbharu.hideout.service.toPem
 import org.junit.jupiter.api.Test
 import java.security.KeyPairGenerator
 import java.security.interfaces.RSAPrivateKey
@@ -88,16 +89,4 @@ class KtorKeyMapTest {
 
         ktorKeyMap.getPrivateKey("test")
     }
-
-    private fun RSAPublicKey.toPem(): String {
-        return "-----BEGIN RSA PUBLIC KEY-----" +
-                Base64.getEncoder().encodeToString(encoded) +
-                "-----END RSA PUBLIC KEY-----"
-    }
-
-    private fun RSAPrivateKey.toPem(): String {
-        return "-----BEGIN RSA PRIVATE KEY-----" +
-                Base64.getEncoder().encodeToString(encoded) +
-                "-----END RSA PRIVATE KEY-----"
-    }
 }