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cydu/settings.py

Created June 15, 2014 03:26
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settings.py
DOWNLOAD_HANDLERS = {
'http': 'myspider.socks5_http.Socks5DownloadHandler',
'https': 'myspider.socks5_http.Socks5DownloadHandler'
}
Raw
socks5_http.py
from txsocksx.http import SOCKS5Agent
from twisted.internet import reactor
from scrapy.xlib.tx import TCP4ClientEndpoint
from scrapy.core.downloader.webclient import _parse
from scrapy.core.downloader.handlers.http11 import HTTP11DownloadHandler, ScrapyAgent
class Socks5DownloadHandler(HTTP11DownloadHandler):
def download_request(self, request, spider):
"""Return a deferred for the HTTP download"""
agent = ScrapySocks5Agent(contextFactory=self._contextFactory, pool=self._pool)
return agent.download_request(request)
class ScrapySocks5Agent(ScrapyAgent):
def _get_agent(self, request, timeout):
bindAddress = request.meta.get('bindaddress') or self._bindAddress
proxy = request.meta.get('proxy')
if proxy:
_, _, proxyHost, proxyPort, proxyParams = _parse(proxy)
_, _, host, port, proxyParams = _parse(request.url)
proxyEndpoint = TCP4ClientEndpoint(reactor, proxyHost, proxyPort,
timeout=timeout, bindAddress=bindAddress)
agent = SOCKS5Agent(reactor, proxyEndpoint=proxyEndpoint)
return agent
return self._Agent(reactor, contextFactory=self._contextFactory,
connectTimeout=timeout, bindAddress=bindAddress, pool=self._pool)
@bufrr
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bufrr commented Sep 10, 2015

i use your code and a problem came out
scrapy's output is

File "/home/adam/.virtualenvs/scrapyenv/local/lib/python2.7/site-packages/ometa/interp.py", line 499, in err
    raise e
ParseError: 
<html>
^
Parse error at line 1, column 0: expected the character '\x05'. trail: []

do u have any idea to help me fix it ?
thank u very much!

@davidblus
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Thanks for your code at first.
It's good for the http request, but it doesn't work for https.
Then I follow the steps which scrapy make when it get some https site.
At last, this code can be updated by adding contextFactory=ScrapyClientContextFactory() to SOCKS5Agent(reactor, proxyEndpoint=proxyEndpoint). Then it will be good for the https request.

socks5_http.py
from scrapy.core.downloader.contextfactory import ScrapyClientContextFactory

line 24
agent = SOCKS5Agent(reactor, proxyEndpoint=proxyEndpoint, contextFactory=ScrapyClientContextFactory())

Btw, It's not good for socks4. Do not use SOCKS4Agent until you fix some bugs from txsocksx.

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