feat: SignatureBaseBuilderを追加

src/main/kotlin/dev/usbharu/httpsignature/v2/DerivedComponent.kt

@@ -0,0 +1,7 @@
+package dev.usbharu.httpsignature.v2
+
+class DerivedComponent(
+    override val componentName: String,
+    override val componentParameter: String,
+    override val componentValue: String
+) : Component

src/main/kotlin/dev/usbharu/httpsignature/v2/HttpMessageComponent.kt

@@ -0,0 +1,12 @@
+package dev.usbharu.httpsignature.v2
+
+import com.sun.org.apache.xerces.internal.util.XMLChar.trim
+
+class HttpMessageComponent(private val headerName: String, private val headerValues: List<String>) : Component {
+    override val componentName: String
+        get() = headerName.lowercase()
+    override val componentParameter: String
+        get() = ""
+    override val componentValue: String
+        get() = headerValues.joinToString(", ") { it.replace("\n", " ").trim() }
+}

src/main/kotlin/dev/usbharu/httpsignature/v2/HttpMessageSignatureSigner.kt

@@ -4,5 +4,14 @@ import dev.usbharu.httpsignature.common.HttpRequest
 import java.security.PrivateKey
 
 class HttpMessageSignatureSigner {
-    fun sign(httpRequest: HttpRequest,privateKey: PrivateKey)
+    fun sign(material: Material, signatureParameter: SignatureParameter, signer: SignatureSigner): Signatures {
+
+        val signatureBase = material.signatureBase.generateSignatureBase(signatureParameter)
+        val signatureInput =
+            "${material.label}=" + material.signatureBase.generateSignatureParameterString(signatureParameter)
+
+        val signature = signer.sign(signatureBase.toByteArray(Charsets.UTF_8), material.privateKey)
+
+        return Signatures(signatureInput, signature)
+    }
 }

src/main/kotlin/dev/usbharu/httpsignature/v2/SignatureBaseBuilder.kt

@@ -0,0 +1,104 @@
+package dev.usbharu.httpsignature.v2
+
+import java.net.http.HttpRequest
+import kotlin.jvm.optionals.getOrNull
+
+class SignatureBaseBuilder {
+    private val signatureBase = SignatureBase()
+
+    fun build(): SignatureBase {
+        return signatureBase
+    }
+
+    fun method(method: String): SignatureBaseBuilder {
+        signatureBase.addComponent(DerivedComponent(DerivedComponentConstants.METHOD, "", method))
+        return this
+    }
+
+    fun query(query: String): SignatureBaseBuilder {
+        require(query[0] == '?')
+        signatureBase.addComponent(DerivedComponent(DerivedComponentConstants.QUERY, "", query))
+        return this
+    }
+
+    fun targetUri(uri: String): SignatureBaseBuilder {
+        signatureBase.addComponent(DerivedComponent(DerivedComponentConstants.TARGET_URI, "", uri))
+        return this
+    }
+
+    fun authority(authority: String): SignatureBaseBuilder {
+        signatureBase.addComponent(DerivedComponent(DerivedComponentConstants.AUTHORITY, "", authority))
+        return this
+    }
+
+    fun scheme(scheme: String): SignatureBaseBuilder {
+        signatureBase.addComponent(DerivedComponent(DerivedComponentConstants.SCHEME, "", scheme))
+        return this
+    }
+
+    fun requestTarget(requestTarget: String): SignatureBaseBuilder {
+        signatureBase.addComponent(DerivedComponent(DerivedComponentConstants.REQUEST_TARGET, "", requestTarget))
+        return this
+    }
+
+    fun path(path: String): SignatureBaseBuilder {
+        signatureBase.addComponent(DerivedComponent(DerivedComponentConstants.PATH, "", path))
+        return this
+    }
+
+    fun queryParameter(key: String, value: String): SignatureBaseBuilder {
+        signatureBase.addComponent(DerivedComponent(DerivedComponentConstants.QUERY_PARAMETER, "name=\"$key\"", value))
+        return this
+    }
+
+    fun status(code: Int): SignatureBaseBuilder {
+        signatureBase.addComponent(DerivedComponent(DerivedComponentConstants.STATUS, "", code.toString()))
+        return this
+    }
+
+    fun header(headerName:String,headerValues:List<String>): SignatureBaseBuilder {
+        signatureBase.addComponent(HttpMessageComponent(headerName, headerValues))
+        return this
+    }
+
+    companion object {
+        fun fromHttpRequest(httpRequest: HttpRequest): SignatureBaseBuilder {
+            val signatureBaseBuilder = SignatureBaseBuilder()
+            signatureBaseBuilder.method(httpRequest.method())
+            val uri = httpRequest.uri()
+
+            signatureBaseBuilder.query(uri.rawQuery.orEmpty())
+            signatureBaseBuilder.targetUri(uri.toString())
+
+            val headers = httpRequest.headers()
+
+            val authority = headers.firstValue("Host").getOrNull()
+            if (authority != null) {
+                signatureBaseBuilder.authority(authority)
+            }
+
+            signatureBaseBuilder.scheme(uri.scheme)
+            signatureBaseBuilder.requestTarget(
+                uri.rawPath + if ((uri.rawQuery == null)) {
+                    ""
+                } else {
+                    "?${uri.rawQuery}"
+                }
+            )
+
+            return signatureBaseBuilder
+        }
+    }
+}
+
+object DerivedComponentConstants {
+    const val METHOD = "@method"
+    const val QUERY = "@query"
+    const val TARGET_URI = "@target-uri"
+    const val AUTHORITY = "@authority"
+    const val SCHEME = "@scheme"
+    const val REQUEST_TARGET = "@request-target"
+    const val PATH = "@path"
+    const val QUERY_PARAMETER = "@query-parameter"
+    const val STATUS = "@stats"
+}

src/main/kotlin/dev/usbharu/httpsignature/v2/Signatures.kt

@@ -0,0 +1,6 @@
+package dev.usbharu.httpsignature.v2
+
+data class Signatures(
+    val signatureInput: String,
+    val signature: String
+)