特别说下,之前我发了百度网盘爬虫的帖子,提出了资源失效怎么判断,十分感谢朋友有朋友给了我建议,本片公开的代码是去转盘网之前的代码,但是基本差不多,关键是获取大量的代理 ip 地址,这个才是核心,本文先公开获取大量代理 ip 地址的代码(网上的开源工程,我已经做了修改和调整,请大胆使用),然后把判断失效链接的代码再发一下,以方便大家研究。
首先做个回顾:百度网盘爬虫 java 分词算法 数据库自动备份 代理服务器爬取 邀请好友注册
好的,进入代码模式:
ing:utf-8
"""
@author:haoning
@create time:2015.8.5
"""
from __future__ import division # 精确除法
from Queue import Queue
from __builtin__ import False
from _sqlite3 import SQLITE_ALTER_TABLE
from collections import OrderedDict
import copy
import datetime
import json
import math
import os
import random
import platform
import re
import threading, errno, datetime
import time
import urllib2
import MySQLdb as mdb
DB_HOST = '127.0.0.1'
DB_USER = 'root'
DB_PASS = 'root'
def gethtml(url):
try:
print "url",url
req = urllib2.Request(url)
response = urllib2.urlopen(req,None,8) #在这里应该加入代理
html = response.read()
return html
except Exception,e:
print "e",e
if __name__ == '__main__':
while 1:
#url='http://pan.baidu.com/share/link?uk=1813251526&shareid=540167442'
url="http://pan.baidu.com/s/1qXQD2Pm"
html=gethtml(url)
print html
结果: e HTTP Error 403: Forbidden ,这就是说,度娘他是反爬虫的,之后看了很多网站,一不小心试了下面的链接:
http://pan.baidu.com/share/link?uk=1813251526&shareid=540167442
if __name__ == '__main__':
while 1:
url='http://pan.baidu.com/share/link?uk=1813251526&shareid=540167442'
#url="http://pan.baidu.com/s/1qXQD2Pm"
html=gethtml(url)
print html
结果:<title>百度云 网盘-链接不存在</title>,你懂的,有这个的必然已经失效,看来度娘没有反爬虫,好家伙。
其实百度网盘的资源入口有两种方式:
一种是: http://pan.baidu.com/s/1qXQD2Pm,最后为短码。
另一种是: http://pan.baidu.com/share/link?uk=1813251526&shareid=540167442 ,关键是 shareId+uk 前者已知道反爬虫,后者目前没有,所以用 python 测试后,本人又将代码翻译成了 java ,因为去转盘是用 java 写的,直接上代码:
package com.tray.common.utils;
import static org.junit.Assert.*;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Properties;
import java.util.Random;
import java.util.Set;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.select.Elements;
import org.junit.Test;
/**
* 资源校验工具
*
* @author hui
*
*/
public class ResourceCheckUtil {
private static Map<String, String[]> rules;
static {
loadRule();
}
/**
* 加载规则库
*/
public static void loadRule() {
try {
InputStream in = ResourceCheckUtil.class.getClassLoader()
.getResourceAsStream("rule.properties");
Properties p = new Properties();
p.load(in);
Set<Object> keys = p.keySet();
Iterator<Object> iterator = keys.iterator();
String key = null;
String value = null;
String[] rule = null;
rules = new HashMap<String, String[]>();
while (iterator.hasNext()) {
key = (String) iterator.next();
value = (String) p.get(key);
rule = value.split("\\|");
rules.put(key, rule);
}
} catch (Exception e) {
e.printStackTrace();
}
}
public static String httpRequest(String url) {
try {
URL u = new URL(url);
Random random = new Random();
HttpURLConnection connection = (HttpURLConnection) u
.openConnection();
connection.setConnectTimeout(3000);//3 秒超时
connection.setReadTimeout(3000);
connection.setDoOutput(true);
connection.setDoInput(true);
connection.setUseCaches(false);
connection.setRequestMethod("GET");
String[] user_agents = {
"Mozilla/5.0 (Windows; U; Windows NT 5.1; it; rv:1.8.1.11) Gecko/20071127 Firefox/2.0.0.11",
"Opera/9.25 (Windows NT 5.1; U; en)",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)",
"Mozilla/5.0 (compatible; Konqueror/3.5; Linux) KHTML/3.5.5 (like Gecko) (Kubuntu)",
"Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.12) Gecko/20070731 Ubuntu/dapper-security Firefox/1.5.0.12",
"Lynx/2.8.5rel.1 libwww-FM/2.14 SSL-MM/1.4.1 GNUTLS/1.2.9",
"Mozilla/5.0 (X11; Linux i686) AppleWebKit/535.7 (KHTML, like Gecko) Ubuntu/11.04 Chromium/16.0.912.77 Chrome/16.0.912.77 Safari/535.7",
"Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:10.0) Gecko/20100101 Firefox/10.0 "
};
int index=random.nextInt(7);
/*connection.setRequestProperty("Content-Type",
"text/html;charset=UTF-8");*/
connection.setRequestProperty("User-Agent",user_agents[index]);
/*connection.setRequestProperty("Accept-Encoding","gzip, deflate, sdch");
connection.setRequestProperty("Accept-Language","zh-CN,zh;q=0.8");
connection.setRequestProperty("Connection","keep-alive");
connection.setRequestProperty("Host","pan.baidu.com");
connection.setRequestProperty("Cookie","");
connection.setRequestProperty("Upgrade-Insecure-Requests","1");*/
InputStream in = connection.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(in,
"utf-8"));
StringBuffer sb = new StringBuffer();
String line = null;
while ((line = br.readLine()) != null) {
sb.append(line);
}
return sb.toString();
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
@Test
public void test7() throws Exception {
System.out.println(isExistResource("http://pan.baidu.com/s/1jGjBmyq",
"baidu"));
System.out.println(isExistResource("http://pan.baidu.com/s/1jGjBmyqa",
"baidu"));
System.out.println(isExistResource("http://yunpan.cn/cQx6e6xv38jTd","360"));
System.out.println(isExistResource("http://yunpan.cn/cQx6e6xv38jTdd",
"360"));
System.out.println(isExistResource("http://share.weiyun.com/ec4f41f0da292adb89a745200b8e8b57","weiyun"));
System.out.println(isExistResource("http://share.weiyun.com/ec4f41f0da292adb89a745200b8e8b57dd",
"360"));
System.out.println(isExistResource("http://cloud.letv.com/s/eiGLzuSes","leshi"));
System.out.println(isExistResource("http://cloud.letv.com/s/eiGLzuSesdd",
"leshi"));
}
/**
* 获取指定页面上标签的内容
*
* @param url
* @param tagName
* 标签名称
* @return
*/
private static String getHtmlContent(String url, String tagName) {
String html = httpRequest(url);
if(html==null){
return "";
}
Document doc = Jsoup.parse(html);
//System.out.println("doc======"+doc);
Elements tag=null;
if(tagName.equals("<h3>")){ //针对微云
tag=doc.select("h3");
}
else if(tagName.equals("class")){ //针对 360
tag=doc.select("div[class=tip]");
}
else{
tag= doc.getElementsByTag(tagName);
}
//System.out.println("tag======"+tag);
String content="";
if(tag!=null&&!tag.isEmpty()){
content = tag.get(0).text();
}
return content;
}
public static int isExistResource(String url, String ruleName) {
try {
String[] rule = rules.get(ruleName);
String tagName = rule[0];
String opt = rule[1];
String flag = rule[2];
/*System.out.println("ruleName"+ruleName);
System.out.println("tagName"+tagName);
System.out.println("opt"+opt);
System.out.println("flag"+flag);
System.out.println("url"+url);*/
String content = getHtmlContent(url, tagName);
//System.out.println("content="+content);
if(ruleName.equals("baidu")){
if(content.contains("百度云升级")){ //升级作为不存在处理
return 1;
}
}
String regex = null;
if ("eq".equals(opt)) {
regex = "^" + flag + "$";
} else if ("bg".equals(opt)) {
regex = "^" + flag + ".*$";
} else if ("ed".equals(opt)) {
regex = "^.*" + flag + "$";
} else if ("like".equals(opt)) {
regex = "^.*" + flag + ".*$";
}else if("contain".equals(opt)){
if(content.contains(flag)){
return 0;
}
else{
return 1;
}
}
if(content.matches(regex)){
return 1;
}
} catch (Exception e) {
e.printStackTrace();
}
return 0;
}
// public static void main(String[] args)throws Exception {
// final Path p = Paths.get("C:/Users/hui/Desktop/6-14/");
// final WatchService watchService =
// FileSystems.getDefault().newWatchService();
// p.register(watchService, StandardWatchEventKinds.ENTRY_MODIFY);
// new Thread(new Runnable() {
//
// public void run() {
// while(true){
// System.out.println("检测中。。。。");
// try {
// WatchKey watchKey = watchService.take();
// List<WatchEvent<?>> watchEvents = watchKey.pollEvents();
//
// for(WatchEvent<?> event : watchEvents){
// //TODO 根据事件类型采取不同的操作。。。。。。。
// System.out.println("["+p.getFileName()+"/"+event.context()+"]文件发生了["+event.kind()+"]事件");
// }
// watchKey.reset();
//
// } catch (Exception e) {
// e.printStackTrace();
// }
// }
// }
// }).start();
// }
// @Test
// public void testName() throws Exception {
// System.out.println(new String("\u8BF7\u8F93\u5165\u63D0\u53D6\u7801".getBytes("utf-8"), "utf-8"));
// }
}
注意代码本生要用来兼容 360 ,微盘等网盘的,但有些网盘倒了,大家都知道,不过代码还是得在,这才是程序猿该有的思路,那就是可宽展,注意代码有个配置文件,我也附上吧:
360=class|contain|\u5206\u4EAB\u8005\u5DF2\u53D6\u6D88\u6B64\u5206\u4EAB baidu=title|contain|\u94FE\u63A5\u4E0D\u5B58\u5728 weiyun=
sorry , unicode 编码,麻烦你自己转下码吧,不会请百度: unicode 转码工具
到此,去转盘网链接是否失效的验证,代码我已经完全公开,喜欢这篇博客的孩子请收藏并关注下。
本人建个 qq 群,欢迎大家一起交流技术, 群号: 512245829 喜欢微博的朋友关注:转盘娱乐即可
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