SpringStudy/SpringSecurity/src/main/java/cc/bnblogs/springsecurity/controller/ValidateCodeController.java

package cc.bnblogs.springsecurity.controller;

import cc.bnblogs.springsecurity.pojo.SmsCode;
import cc.bnblogs.springsecurity.utils.ImageCodeUtils;
import cc.bnblogs.springsecurity.validate.imagecode.ImageCode;
import org.apache.commons.lang3.RandomStringUtils;
import org.springframework.social.connect.web.HttpSessionSessionStrategy;
import org.springframework.social.connect.web.SessionStrategy;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.context.request.ServletWebRequest;

import javax.imageio.ImageIO;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@RestController
public class ValidateCodeController {

    public final static String SESSION_KEY_IMAGE_CODE = "SESSION_KEY_IMAGE_CODE";
    public final static String SESSION_KEY_SMS_CODE = "SESSION_KEY_SMS_CODE";


    private final SessionStrategy sessionStrategy = new HttpSessionSessionStrategy();

    @GetMapping("/code/image")
    public void createCode(HttpServletRequest request, HttpServletResponse response) throws IOException {
        ImageCode imageCode = ImageCodeUtils.createImageCode();
        // 将ImageCode对象保存到Session中
        sessionStrategy.setAttribute(new ServletWebRequest(request), SESSION_KEY_IMAGE_CODE, imageCode);
        // 通过IO流将生成的图片输出到登录页面上
        ImageIO.write(imageCode.getImage(), "jpeg", response.getOutputStream());
    }

    @GetMapping("/code/sms")
    public void createSmsCode(HttpServletRequest request, String mobile) {
        SmsCode smsCode = createSMSCode();
        sessionStrategy.setAttribute(new ServletWebRequest(request), SESSION_KEY_SMS_CODE + mobile, smsCode);
        // 输出验证码到控制台代替短信发送服务
        System.out.println("您的登录验证码为：" + smsCode.getCode() + "，有效时间为60秒");
    }

    private SmsCode createSMSCode() {
        String code = RandomStringUtils.randomNumeric(6);
        return new SmsCode(code, 60);
    }
}