build: license 相关代码

backend/framework/sdk/src/main/java/io/metersphere/sdk/controller/LicenseValidateController.java

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+package io.metersphere.sdk.controller;
+
+import io.metersphere.sdk.dto.LicenseDTO;
+import io.metersphere.sdk.service.LicenseService;
+import io.metersphere.sdk.util.CommonBeanFactory;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/license")
+public class LicenseValidateController {
+    @GetMapping("/validate")
+    public LicenseDTO validate() {
+        LicenseService licenseService = CommonBeanFactory.getBean(LicenseService.class);
+        if (licenseService != null) {
+            return licenseService.validate();
+        }
+        return new LicenseDTO();
+    }
+}

backend/framework/sdk/src/main/java/io/metersphere/sdk/dto/LicenseDTO.java

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+package io.metersphere.sdk.dto;
+
+import lombok.Data;
+
+import java.io.Serializable;
+
+@Data
+public class LicenseDTO implements Serializable {
+    private static final long serialVersionUID = 1L;
+
+    private String status;
+
+    private LicenseInfoDTO license;
+
+}

backend/framework/sdk/src/main/java/io/metersphere/sdk/dto/LicenseInfoDTO.java

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+package io.metersphere.sdk.dto;
+
+import lombok.Data;
+
+import java.io.Serializable;
+
+@Data
+public class LicenseInfoDTO implements Serializable {
+    /**
+     * 客户名称
+     */
+    private String corporation;
+    /**
+     * 授权截止时间
+     */
+    private String expired;
+    /**
+     * 产品名称
+     */
+    private String product;
+    /**
+     * 产品版本
+     */
+    private String edition;
+    /**
+     * icense版本
+     */
+    private String licenseVersion;
+    /**
+     * 授权数量
+     */
+    private int count;
+}

backend/framework/sdk/src/main/java/io/metersphere/sdk/service/LicenseService.java

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+package io.metersphere.sdk.service;
+
+
+import io.metersphere.sdk.dto.LicenseDTO;
+
+public interface LicenseService {
+
+    LicenseDTO refreshLicense();
+
+    LicenseDTO validate();
+
+}