zoukankan      html  css  js  c++  java
  • Web协议详解与抓包实战:HTTP1协议-内容协商是怎样进行的(8)

    一、内容协商的两种方式

    每个 URI 指向的资源可以是任何事物,可以有多种不同的表述,例如一份文档可以有不同语言的翻译、不同的媒体格式、可以针对不同的浏览器提
    供不同的压缩编码等

     

    二、Proactive 主动式内容协商

    三、Reactive 响应式内容协商

    四、常见的协商要素

    1、常见协商要素1

    2、常见协商要素2

    内容编码:主要指压缩算法

     响应中的压缩方式

    五、国际化与本地化

    六、资源表述的元数据头部

    六、cURL工具使用

    1、--compressed 将结果解压缩

    命令

    curl 'https://www.baidu.com/' -H 'Connection: keep-alive' -H 'Pragma: no-cache' -H 'Cache-Control: no-cache' -H 'Upgrade-Insecure-Requests: 1' -H 'User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36' -H 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3' -H 'Accept-Encoding: gzip, deflate, br' -H 'Accept-Language: zh-CN,zh;q=0.9' -H 'Cookie: BDUSS=Y3Ty0zbFdRbTBIWWdlZ0UtRjZpOGNzdFFtVXVzNTJiemxXNzdyc1lNak45ZkJjSVFBQUFBJCQAAAAAAAAAAAEAAACumLcCbHVvYWhvbmcAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAM1oyVzNaMlcRH; A^`=1570252928jMyG000154233; BAIDUID=D3466420B11AEE8C6DCE1776E360E57C:FG=1; PSTM=1570252049; BIDUPSID=9ED37D1EFAB864BCB9197CD7637AB8CC; BD_UPN=12314353; BDORZ=FFFB88E999055A3F8A630C64834BD6D0; H_PS_645EC=a521LDhJX1l%2BFB6jUNwQI7xetFq3k3%2FLeU6yK%2Fb70nZrV8c%2B%2FpIMx8OkrgfHWtqdpDC8; BD_HOME=1; H_PS_PSSID=1430_21124_29522_29720_29568_29220; sugstore=1' --compressed

    运行结果

        bds.comm.dpquery="";
        bds.comm.samSugApi=s_session.sid === "25219" ? 1 : 0;
        var index_content = $('#head');
        var index_foot= $('#ftCon');
        var index_css= $('#style_super_inline');
        var index_is_css = $('#s_is_index_css');
        var index_css_content = index_css.html();
        var index_u= $('#u_sp');
        var result_u= $('#u');
        window.index_links = [];
        var result_head = $("#head");
        window.index_on=function(){
            s_session.index_off = false;
        };
        window.index_off=function(){
            s_session.index_off = true;
            $(document.body).attr('link', '#0000cc');
            index_links = [];
            $("head").find("link").each(function(){
                index_links.push(this);
                $(this).remove();
            });
            index_css.remove();
            index_is_css.remove();
            $('#head_wrapper').css('width','');
            $('#kw').css('font-family','');
            $('head').append($.decodeHTML($('#s_index_off_css').html()));
            $('head').append($.decodeHTML($('#s_is_result_css').html()));
            $('.s-tips-skin').remove();
            $('.s-skin-container').remove();
            $('#s_mancard_newmusic').remove();
        };
    

    2、去掉--compressed 结果是二进制文件

    curl 'https://www.baidu.com/' -H 'Connection: keep-alive' -H 'Pragma: no-cache' -H 'Cache-Control: no-cache' -H 'Upgrade-Insecure-Requests: 1' -H 'User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36' -H 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3' -H 'Accept-Encoding: gzip, deflate, br' -H 'Accept-Language: zh-CN,zh;q=0.9' -H 'Cookie: BDUSS=Y3Ty0zbFdRbTBIWWdlZ0UtRjZpOGNzdFFtVXVzNTJiemxXNzdyc1lNak45ZkJjSVFBQUFBJCQAAAAAAAAAAAEAAACumLcCbHVvYWhvbmcAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAM1oyVzNaMlcRH; A^`=1570252928jMyG000154233; BAIDUID=D3466420B11AEE8C6DCE1776E360E57C:FG=1; PSTM=1570252049; BIDUPSID=9ED37D1EFAB864BCB9197CD7637AB8CC; BD_UPN=12314353; BDORZ=FFFB88E999055A3F8A630C64834BD6D0; H_PS_645EC=a521LDhJX1l%2BFB6jUNwQI7xetFq3k3%2FLeU6yK%2Fb70nZrV8c%2B%2FpIMx8OkrgfHWtqdpDC8; BD_HOME=1; H_PS_PSSID=1430_21124_29522_29720_29568_29220; sugstore=1' 
    

    截图如下

     3、去掉头部的压缩-H 'Accept-Encoding: gzip, deflate, br'

  • 相关阅读:
    Leetcode Binary Tree Preorder Traversal
    Leetcode Minimum Depth of Binary Tree
    Leetcode 148. Sort List
    Leetcode 61. Rotate List
    Leetcode 86. Partition List
    Leetcode 21. Merge Two Sorted Lists
    Leetcode 143. Reorder List
    J2EE项目应用开发过程中的易错点
    JNDI初认识
    奔腾的代码
  • 原文地址:https://www.cnblogs.com/luoahong/p/11624598.html
Copyright © 2011-2022 走看看