feat: HttpSignatureを自作ライブラリに変更

src/main/kotlin/dev/usbharu/hideout/config/ActivityPubConfig.kt

@@ -4,6 +4,8 @@ import com.fasterxml.jackson.annotation.JsonInclude
 import com.fasterxml.jackson.databind.DeserializationFeature
 import com.fasterxml.jackson.databind.ObjectMapper
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
+import dev.usbharu.httpsignature.sign.HttpSignatureSigner
+import dev.usbharu.httpsignature.sign.RsaSha256HttpSignatureSigner
 import org.springframework.beans.factory.annotation.Qualifier
 import org.springframework.context.annotation.Bean
 import org.springframework.context.annotation.Configuration
@@ -26,4 +28,7 @@ class ActivityPubConfig {
     @Bean
     @Qualifier("http")
     fun dateTimeFormatter(): DateTimeFormatter = DateTimeFormatter.ofPattern("EEE, dd MMM yyyy HH:mm:ss zzz", Locale.US)
+
+    @Bean
+    fun httpSignatureSigner(): HttpSignatureSigner = RsaSha256HttpSignatureSigner()
 }

src/main/kotlin/dev/usbharu/hideout/service/ap/APRequestServiceImpl.kt

@@ -3,15 +3,19 @@ package dev.usbharu.hideout.service.ap
 import com.fasterxml.jackson.databind.ObjectMapper
 import dev.usbharu.hideout.domain.model.ap.Object
 import dev.usbharu.hideout.domain.model.hideout.entity.User
-import dev.usbharu.hideout.service.signature.HttpSignatureSigner
-import dev.usbharu.hideout.service.signature.Key
 import dev.usbharu.hideout.util.Base64Util
 import dev.usbharu.hideout.util.HttpUtil.Activity
 import dev.usbharu.hideout.util.RsaUtil
+import dev.usbharu.httpsignature.common.HttpHeaders
+import dev.usbharu.httpsignature.common.HttpMethod
+import dev.usbharu.httpsignature.common.HttpRequest
+import dev.usbharu.httpsignature.common.PrivateKey
+import dev.usbharu.httpsignature.sign.HttpSignatureSigner
 import io.ktor.client.*
 import io.ktor.client.request.*
 import io.ktor.client.statement.*
 import io.ktor.http.*
+import io.ktor.util.*
 import org.springframework.beans.factory.annotation.Qualifier
 import org.springframework.stereotype.Service
 import java.net.URL
@@ -46,14 +50,14 @@ class APRequestServiceImpl(
         }
 
         val sign = httpSignatureSigner.sign(
-            url = url,
-            method = HttpMethod.Get,
-            headers = headers,
-            requestBody = "",
-            keyPair = Key(
+            httpRequest = HttpRequest(
+                url = u,
+                headers = HttpHeaders(headers.toMap()),
+                dev.usbharu.httpsignature.common.HttpMethod.GET
+            ),
+            privateKey = PrivateKey(
                 keyId = "${signer.url}#pubkey",
                 privateKey = RsaUtil.decodeRsaPrivateKeyPem(signer.privateKey),
-                publicKey = RsaUtil.decodeRsaPublicKeyPem(signer.publicKey)
             ),
             signHeaders = listOf("(request-target)", "date", "host", "accept")
         )
@@ -61,7 +65,8 @@ class APRequestServiceImpl(
         val bodyAsText = httpClient.get(url) {
             headers {
                 headers {
-                    appendAll(sign.headers)
+                    appendAll(headers)
+                    append("Signature", sign.signatureHeader)
                     remove("Host")
                 }
             }
@@ -114,14 +119,12 @@ class APRequestServiceImpl(
         }
 
         val sign = httpSignatureSigner.sign(
-            url = url,
-            method = HttpMethod.Post,
-            headers = headers,
-            requestBody = "",
-            keyPair = Key(
+            httpRequest = HttpRequest(
+                u, HttpHeaders(headers.toMap()), HttpMethod.POST
+            ),
+            privateKey = PrivateKey(
                 keyId = "${signer.url}#pubkey",
-                privateKey = RsaUtil.decodeRsaPrivateKeyPem(signer.privateKey),
-                publicKey = RsaUtil.decodeRsaPublicKeyPem(signer.publicKey)
+                privateKey = RsaUtil.decodeRsaPrivateKeyPem(signer.privateKey)
             ),
             signHeaders = listOf("(request-target)", "date", "host", "digest")
         )
@@ -129,7 +132,8 @@ class APRequestServiceImpl(
         return httpClient.post(url) {
             headers {
                 headers {
-                    appendAll(sign.headers)
+                    appendAll(headers)
+                    append("Signature", sign.signatureHeader)
                 }
             }
             setBody(requestBody)