[+] Automatic obtain request ip

src/main/java/icu/samnyan/aqua/net/utils/Turnstile.kt

@@ -7,6 +7,7 @@ import io.ktor.client.call.*
 import io.ktor.client.request.*
 import io.ktor.client.request.forms.*
 import io.ktor.http.*
+import jakarta.servlet.http.HttpServletRequest
 import kotlinx.serialization.Serializable
 import org.springframework.boot.context.properties.ConfigurationProperties
 import org.springframework.context.annotation.Configuration
@@ -18,17 +19,21 @@ class TurnstileProperties {
     var enable: Bool = false
 
     lateinit var secret: Str
+
+    lateinit var ipHeader: Str
 }
 
 @Service
-class CaptchaService(val props: TurnstileProperties) {
+class TurnstileService(val props: TurnstileProperties) {
     @Serializable
     data class Outcome(val success: Boolean)
 
-    suspend fun validate(captcha: Str?, ip: Str): Boolean {
+    suspend fun validate(captcha: Str?, request: HttpServletRequest): Boolean {
         if (!props.enable) return true
         if (captcha == null) return false
 
+        val ip = request.getHeader(props.ipHeader) ?: request.remoteAddr
+
         val outcome: Outcome = HTTP.post("https://challenges.cloudflare.com/turnstile/v0/siteverify") {
             setBody(
                 FormDataContent(Parameters.build {