第二十二章

LouisRenWeiWei · Mar 4, 2014 · be73dde · be73dde
1 parent 83b1a22
commit be73dde
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Showing 4 changed files with 13 additions and 25 deletions.
diff --git a/...ple-chapter22/src/main/java/com/github/zhangkaitao/shiro/chapter22/jcaptcha/JCaptcha.java b/...ple-chapter22/src/main/java/com/github/zhangkaitao/shiro/chapter22/jcaptcha/JCaptcha.java
@@ -16,8 +16,8 @@
  * <p>Version: 1.0
  */
 public class JCaptcha {
-    public static final EsManageableImageCaptchaService captchaService
-            = new EsManageableImageCaptchaService(new FastHashMapCaptchaStore(), new GMailEngine(), 180, 100000, 75000);
+    public static final MyManageableImageCaptchaService captchaService
+            = new MyManageableImageCaptchaService(new FastHashMapCaptchaStore(), new GMailEngine(), 180, 100000, 75000);
 
 
     public static boolean validateResponse(HttpServletRequest request, String userCaptchaResponse) {

diff --git a/...src/main/java/com/github/zhangkaitao/shiro/chapter22/jcaptcha/JCaptchaValidateFilter.java b/...src/main/java/com/github/zhangkaitao/shiro/chapter22/jcaptcha/JCaptchaValidateFilter.java
@@ -6,6 +6,7 @@
 package com.github.zhangkaitao.shiro.chapter22.jcaptcha;
 
 import org.apache.shiro.web.filter.AccessControlFilter;
+import org.apache.shiro.web.util.WebUtils;
 
 import javax.servlet.ServletRequest;
 import javax.servlet.ServletResponse;
@@ -19,50 +20,39 @@
  */
 public class JCaptchaValidateFilter extends AccessControlFilter {
 
-    private boolean jcaptchaEbabled = true;
+    private boolean jcaptchaEbabled = true;//是否开启验证码支持
 
-    private String jcaptchaParam = "jcaptchaCode";
+    private String jcaptchaParam = "jcaptchaCode";//前台提交的验证码参数名
 
-    private String failureKeyAttribute = "shiroLoginFailure";
+    private String failureKeyAttribute = "shiroLoginFailure"; //验证码验证失败后存储到的属性名
 
-    /**
-     * 是否开启jcaptcha
-     *
-     * @param jcaptchaEbabled
-     */
     public void setJcaptchaEbabled(boolean jcaptchaEbabled) {
         this.jcaptchaEbabled = jcaptchaEbabled;
     }
-
-    /**
-     * 前台传入的验证码
-     *
-     * @param jcaptchaParam
-     */
     public void setJcaptchaParam(String jcaptchaParam) {
         this.jcaptchaParam = jcaptchaParam;
     }
-
     public void setFailureKeyAttribute(String failureKeyAttribute) {
         this.failureKeyAttribute = failureKeyAttribute;
     }
 
     @Override
     protected boolean isAccessAllowed(ServletRequest request, ServletResponse response, Object mappedValue) throws Exception {
+        //1、设置验证码是否开启属性，页面可以根据该属性来决定是否显示验证码
         request.setAttribute("jcaptchaEbabled", jcaptchaEbabled);
 
-        HttpServletRequest httpServletRequest = (HttpServletRequest) request;
-        //验证码禁用 或不是表单提交 允许访问
+        HttpServletRequest httpServletRequest = WebUtils.toHttp(request);
+        //2、判断验证码是否禁用 或不是表单提交（允许访问）
         if (jcaptchaEbabled == false || !"post".equalsIgnoreCase(httpServletRequest.getMethod())) {
             return true;
         }
+        //3、此时是表单提交，验证验证码是否正确
         return JCaptcha.validateResponse(httpServletRequest, httpServletRequest.getParameter(jcaptchaParam));
     }
-
     @Override
     protected boolean onAccessDenied(ServletRequest request, ServletResponse response) throws Exception {
+        //如果验证码失败了，存储失败key属性
         request.setAttribute(failureKeyAttribute, "jCaptcha.error");
         return true;
     }
-
 }
diff --git a/...tcha/EsManageableImageCaptchaService.java → ...tcha/MyManageableImageCaptchaService.java b/...tcha/EsManageableImageCaptchaService.java → ...tcha/MyManageableImageCaptchaService.java
@@ -12,9 +12,9 @@
  * <p>Date: 13-3-22 下午3:38
  * <p>Version: 1.0
  */
-public class EsManageableImageCaptchaService extends DefaultManageableImageCaptchaService {
+public class MyManageableImageCaptchaService extends DefaultManageableImageCaptchaService {
 
-    public EsManageableImageCaptchaService(com.octo.captcha.service.captchastore.CaptchaStore captchaStore, com.octo.captcha.engine.CaptchaEngine captchaEngine, int minGuarantedStorageDelayInSeconds, int maxCaptchaStoreSize, int captchaStoreLoadBeforeGarbageCollection) {
+    public MyManageableImageCaptchaService(com.octo.captcha.service.captchastore.CaptchaStore captchaStore, com.octo.captcha.engine.CaptchaEngine captchaEngine, int minGuarantedStorageDelayInSeconds, int maxCaptchaStoreSize, int captchaStoreLoadBeforeGarbageCollection) {
         super(captchaStore, captchaEngine, minGuarantedStorageDelayInSeconds, maxCaptchaStoreSize, captchaStoreLoadBeforeGarbageCollection);
     }
 

diff --git a/shiro-example-chapter22/src/main/resources/spring-config-shiro.xml b/shiro-example-chapter22/src/main/resources/spring-config-shiro.xml
@@ -108,8 +108,6 @@
         <property name="jcaptchaParam" value="jcaptchaCode"/>
         <property name="failureKeyAttribute" value="shiroLoginFailure"/>
     </bean>
-
-
     <!-- Shiro的Web过滤器 -->
     <bean id="shiroFilter" class="org.apache.shiro.spring.web.ShiroFilterFactoryBean">
         <property name="securityManager" ref="securityManager"/>