Optimize register api. Add verify Turnstile captcha to login api.

src/main/kotlin/top/fatweb/oxygen/api/http/TurnstileApi.kt

@@ -0,0 +1,33 @@
+package top.fatweb.oxygen.api.http
+
+import com.github.lianjiatech.retrofit.spring.boot.core.RetrofitClient
+import org.springframework.stereotype.Service
+import retrofit2.http.Field
+import retrofit2.http.FormUrlEncoded
+import retrofit2.http.POST
+import top.fatweb.oxygen.api.http.entity.turnstile.SiteverifyResponse
+import top.fatweb.oxygen.api.properties.ServerProperties
+
+/**
+ * Turnstile http request api
+ *
+ * @author FatttSnake, fatttsnake@gmail.com
+ * @since 1.0.0
+ */
+@Service
+@RetrofitClient(baseUrl = "https://challenges.cloudflare.com/turnstile/v0/")
+interface TurnstileApi {
+    /**
+     * Turnstile post verify captcha code
+     *
+     * @author FatttSnake, fatttsnake@gmail.com
+     * @since 1.0.0
+     * @see SiteverifyResponse
+     */
+    @FormUrlEncoded
+    @POST("siteverify")
+    fun siteverify(
+        @Field("response") captchaCode: String,
+        @Field("secret") secret: String = ServerProperties.turnstileSecretKey
+    ): SiteverifyResponse
+}

src/main/kotlin/top/fatweb/oxygen/api/http/entity/turnstile/SiteverifyResponse.kt

@@ -0,0 +1,48 @@
+package top.fatweb.oxygen.api.http.entity.turnstile
+
+import com.fasterxml.jackson.annotation.JsonProperty
+import java.time.LocalDateTime
+
+/**
+ * Turnstile verify captcha code response
+ *
+ * @author FatttSnake, fatttsnake@gmail.com
+ * @since 1.0.0
+ */
+data class SiteverifyResponse(
+    /**
+     * Is success
+     *
+     * @author FatttSnake, fatttsnake@gmail.com
+     * @since 1.0.0
+     */
+    @JsonProperty("success")
+    val success: Boolean,
+
+    /**
+     * Challenge time
+     *
+     * @author FatttSnake, fatttsnake@gmail.com
+     * @since 1.0.0
+     */
+    @JsonProperty("challenge_ts")
+    val challengeTs: LocalDateTime?,
+
+    /**
+     * Hostname
+     *
+     * @author FatttSnake, fatttsnake@gmail.com
+     * @since 1.0.0
+     */
+    @JsonProperty("hostname")
+    val hostname: String?,
+
+    /**
+     * Error codes list
+     *
+     * @author FatttSnake, fatttsnake@gmail.com
+     * @since 1.0.0
+     */
+    @JsonProperty("error-codes")
+    val errorCodes: List<String>?
+)