Angularjs 跨域请求

最近在作个项目,启用了Angularjs做为前端框架,后端则使用java服务端,引入了shiro框架做为权限管理。 理想是丰满的,现实是骨感的。 起先单域测试下一切Ok,进行二级域名跨域测试就出现问题了。前端

本文是基于单个顶级域名多个子域名的跨域 项目架构并不是采用SpringMVC,以及SSH等主流框架,使用了本身公司的非主流框架,请各位同窗本身纠正java

遇到坑以及填坑

  1. Access-Control-Allow-Origin,Access-Control-Allow-Headers,Access-Control-Allow-Methods 跨域请求的时候遇到了Access-Control-Allow-Origin问题,起先在Filter中是这么解决的,代码以下:
response.addHeader("Access-Control-Allow-Origin","*");
response.addHeader("Access-Control-Allow-Headers", "accept, content-type");
response.addHeader("Access-Control-Allow-Methods", "DELETE, GET, HEAD, OPTIONS, PATCH, POST, PUT");

可是考虑到Origin全开放有点很差吧,而后我也多想,就直接在Filter中写了一个Origin的校验,代码以下:web

private String getDomain(String host) {
      if (host.endsWith(domain)) {
        return SecondDomainKit.contains(host.substring(0, host.length() - (domain.length() + 1)));
      } else  return null;
}

response的Header设置修改成:apache

// 校验数据来源,成功后进行跨域受权
String origin = request.getHeader("Origin");
if (StrKit.notBlank(origin)) {
        Pattern pattern = Pattern.compile("([a-zA-z]+://){0,1}([^\\s]*)");
        Matcher matcher = pattern.matcher(origin);
        if (matcher.find()) {
            String host = matcher.group(2);
            if (host.endsWith(domain) && !host.equals(domain) && StrKit.notBlank(getDomain(host))) {
                response.addHeader("Access-Control-Allow-Origin",
                request.getScheme() + "://" + getDomain(host) + "." + domain);
                response.addHeader("Access-Control-Allow-Headers", "accept, content-type");
                response.addHeader("Access-Control-Allow-Methods", "DELETE, GET, HEAD, OPTIONS, PATCH, POST, PUT");
            }
        }
}
  1. session不共享 在shiro.ini中配置为使用Cookies进行Session管理,配置以下:
sessionIdCookie = org.apache.shiro.web.servlet.SimpleCookie
sessionIdCookie.name = JMSESSIONID #可修改Cookie的名称
sessionIdCookie.domain = xxxx.com #这里填入顶级域名
sessionIdCookie.maxAge = 604800
...
sessionManager = org.apache.shiro.web.session.mgt.DefaultWebSessionManager
sessionManager.sessionIdCookie = $sessionIdCookie
sessionManager.sessionIdCookieEnabled = true
...
  1. POST请求中session会刷新,致使登录成功以后,Shiro任然取不到身份信息,这个也困扰了我很久。直接给出修改代码,在js中修改以下:
app.config(['$httpProvider', function($httpProvider) {
      $httpProvider.defaults.withCredentials = true;
}]);

将Filter中response的Header修改下,代码以下:后端

// 校验数据来源,成功后进行跨域受权
String origin = request.getHeader("Origin");
if (StrKit.notBlank(origin)) {
        Pattern pattern = Pattern.compile("([a-zA-z]+://){0,1}([^\\s]*)");
        Matcher matcher = pattern.matcher(origin);
        if (matcher.find()) {
            String host = matcher.group(2);
            if (host.endsWith(domain) && !host.equals(domain) && StrKit.notBlank(getDomain(host))) {
                response.addHeader("Access-Control-Allow-Origin",
                request.getScheme() + "://" + getDomain(host) + "." + domain);
                response.addHeader("Access-Control-Allow-Headers", "accept, content-type");
                response.addHeader("Access-Control-Allow-Methods", "DELETE, GET, HEAD, OPTIONS, PATCH, POST, PUT");
                // 是否支持cookie跨域
                response.addHeader("Access-Control-Allow-Credentials", "true"); 
            }
        }
}
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