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chrome_headless.py
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#!/bin/env python
# -*- encoding:utf-8 -*-
"""
ChromeHeadLess
~~~~~~~~~~
ChromeHeadLess驱动
:author = 'wilson;lightless'
"""
import json
import requests
import websocket
class ChromeHeadLess(object):
def __init__(self, url, ip="127.0.0.1", port="9222", cookie="", post="", auth=""):
"""
初始化
:param url: 请求url
:param ip: ChromeHeadless的server ip
:param port: ChromeHeadless的server 端口
:param cookie: 请求cookie
:param post: 请求post Chrome的api不支持
:param auth: 请求 authorization
"""
self.url = url
self.cookie = cookie
self.post = post
self.auth = auth
self.ip = ip
self.port = port
self.tab_id = ""
self.ws_url = ""
self.hook_urls = []
self.error = ""
self.soc = None
self.javascript_dialog_events = []
chrome_web = "http://%s:%s/json/new" % (ip, port)
try:
response = requests.get(chrome_web)
self.ws_url = response.json().get("webSocketDebuggerUrl")
self.tab_id = response.json().get("id")
self.soc = websocket.create_connection(self.ws_url)
# print(self.ws_url, self.tab_id)
except Exception, e:
# print "ERROR:%s" % e
self.error = str(e)
def close_tab(self):
"""
关闭tab
:return:
"""
try:
requests.get("http://%s:%s/json/close/%s" % (self.ip, self.port, self.tab_id))
except Exception, e:
#print "ERROR:%s" % e
self.error = str(e)
def send_msg(self, id, method, params):
"""
给ChromeHeadless的server 发执行命令
:param id:
:param method:
:param params:
:return:
"""
# soc = websocket.create_connection(ws_url)
navcom = json.dumps({
"id": id,
"method": method,
"params": params
})
self.soc.send(navcom)
def get_chrome_msg(self):
"""
循环监听
:return:
"""
while True:
result = self.soc.recv()
result_json = json.loads(result)
# print("debug:%s" % result)
if "Network.requestWillBeSent" in result:
# hook url
if result_json["params"]["request"]["url"] not in self.hook_urls:
if "postData" in result_json["params"]["request"]:
post = result_json["params"]["request"]["postData"]
else:
post = ""
self.hook_urls.append({
"url": result_json["params"]["request"]["url"],
"method": result_json["params"]["request"]["method"],
"post": post
})
if "Page.javascriptDialogOpening" in result:
# hook alert
if result_json["params"] not in self.javascript_dialog_events:
self.javascript_dialog_events.append(result_json["params"])
if "Page.domContentEventFired" in result:
# dom加载完以后 执行on事件的javascript
(self.send_msg(id=2333, method="Runtime.evaluate", params={"expression": "\nvar nodes = document.all;"
"\nfor(var i=0;i<nodes.length;i++){"
"\n var attrs = nodes[i].attributes;"
"\n for(var j=0;j<attrs.length;j++){"
"\n attr_name = attrs[j].nodeName;"
"\n attr_value = attrs[j].nodeValue.replace(/return.*;/g,'');"
"\n if(attr_name.substr(0,2) == \"on\"){"
"\n console.log(attrs[j].nodeName + ' : ' + attr_value);"
"\n eval(attr_value);"
"\n }"
"\n if(attr_name == \"href\" || attr_name == \"formaction\"){"
"\n console.log(attrs[j].nodeName + ' : ' + attr_value);"
"\n javascript_code = attr_value.match(\"^javascript:(.*)\")"
"\n if (javascript_code) {"
"\n eval(javascript_code[0]);"
"\n }"
"\n }"
"\n }"
"\n}"
"\n'ok';"}))
if "id" in result_json:
if result_json["id"] == 2333:
# onevent 事件 执行结束
# 关闭 tab 页面
self.close_tab()
return
def run(self):
if self.soc:
(self.send_msg(id=1, method="Network.setExtraHTTPHeaders", params={"headers": {
"authorization": self.auth,
"Cookie": self.cookie,
"User-Agent": "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/37.0.2062.124 Safari/537.36"}}))
self.send_msg(id=2, method="Network.enable", params={})
self.send_msg(id=3, method="Page.enable", params={})
self.send_msg(id=4, method="Runtime.enable", params={})
self.send_msg(id=5, method="Page.navigate", params={"url": self.url})
# if self.post != "":
# (self.send_msg(id=5, method="Runtime.evaluate",
# params={"expression": "httpRequest = new XMLHttpRequest();"
# "\nhttpRequest.open(\"POST\",\"%s\",true);"
# "\nhttpRequest.setRequestHeader(\"Content-type\",\"application/x-www-form-urlencoded\")"
# "\nhttpRequest.onreadystatechange = function (){"
# "\nif (httpRequest.readyState == 4 && httpRequest.status == 200) {"
# "\n alert(httpRequest.responseText);"
# "\n }"
# "\n}"
# "\nhttpRequest.send(\"%s\");"
# "\n'ok';"
# "" % (self.url, self.post)}))
# else:
# self.send_msg(id=5, method="Page.navigate", params={"url": self.url})
self.get_chrome_msg()
else:
self.error = "get websocket err!"
if __name__ == '__main__':
chrome_headless_drive = ChromeHeadLess(url="http://127.0.0.1/url.php?url=1342",
ip="127.0.0.1", port="9222",
cookie="",
post="",
auth="")
chrome_headless_drive.run()
print chrome_headless_drive.hook_urls
print chrome_headless_drive.javascript_dialog_events