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brozzle-worker options --proxy-server=host:port and --ignore-certificate-errors (for use with warcprox)

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This commit is contained in:
Noah Levitt 2015-07-11 23:07:47 -07:00
parent b0f3b8a5e3
commit ddd764cac5
2 changed files with 25 additions and 8 deletions
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7
bin/brozzler-worker
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@ -22,6 +22,10 @@ arg_parser.add_argument('-e', '--executable', dest='chrome_exe', default='chromi
help='executable to use to invoke chrome')
arg_parser.add_argument('-n', '--max-browsers', dest='max_browsers', default='1',
help='max number of chrome instances simultaneously browsing pages')
arg_parser.add_argument('--proxy-server', dest='proxy_server', default=None,
help='configure browser to use specified proxy server')
arg_parser.add_argument('--ignore-certificate-errors', dest='ignore_cert_errors',
action='store_true', help='configure browser to ignore certificate errors')
arg_parser.add_argument('-v', '--verbose', dest='log_level',
action="store_const", default=logging.INFO, const=logging.DEBUG)
arg_parser.add_argument('--version', action='version',
@ -54,7 +58,8 @@ def completed(site, crawl_url):
q.put(crawl_url.to_dict())
def brozzle_site(site, chrome_port):
with umbra.Browser(chrome_port=chrome_port, chrome_exe=args.chrome_exe) as browser:
with umbra.Browser(chrome_port=chrome_port, chrome_exe=args.chrome_exe,
proxy_server=args.proxy_server, ignore_cert_errors=args.ignore_cert_errors) as browser:
with browsers_lock:
browsers.add(browser)
try:

26
umbra/browser.py
View File

@ -66,10 +66,12 @@ class Browser:
HARD_TIMEOUT_SECONDS = 20 * 60
def __init__(self, chrome_port=9222, chrome_exe='chromium-browser'):
def __init__(self, chrome_port=9222, chrome_exe='chromium-browser', proxy_server=None, ignore_cert_errors=False):
self.command_id = itertools.count(1)
self.chrome_port = chrome_port
self.chrome_exe = chrome_exe
self.proxy_server = proxy_server
self.ignore_cert_errors = ignore_cert_errors
self._behavior = None
self._websock = None
self._abort_browse_page = False
@ -88,8 +90,12 @@ class Browser:
def start(self):
# these can raise exceptions
self._work_dir = tempfile.TemporaryDirectory()
self._chrome_instance = Chrome(self.chrome_port, self.chrome_exe,
self._work_dir.name, os.sep.join([self._work_dir.name, "chrome-user-data"]))
self._chrome_instance = Chrome(port=self.chrome_port,
executable=self.chrome_exe,
user_home_dir=self._work_dir.name,
user_data_dir=os.sep.join([self._work_dir.name, "chrome-user-data"]),
proxy_server=self.proxy_server,
ignore_cert_errors=self.ignore_cert_errors)
self._websocket_url = self._chrome_instance.start()
def stop(self):
@ -243,11 +249,13 @@ class Browser:
class Chrome:
logger = logging.getLogger(__module__ + "." + __qualname__)
def __init__(self, port, executable, user_home_dir, user_data_dir):
def __init__(self, port, executable, user_home_dir, user_data_dir, proxy_server=None, ignore_cert_errors=False):
self.port = port
self.executable = executable
self.user_home_dir = user_home_dir
self.user_data_dir = user_data_dir
self.proxy_server = proxy_server
self.ignore_cert_errors = ignore_cert_errors
# returns websocket url to chrome window with about:blank loaded
def __enter__(self):
@ -269,9 +277,13 @@ class Chrome:
"--window-size=1100,900", "--no-default-browser-check",
"--disable-first-run-ui", "--no-first-run",
"--homepage=about:blank", "--disable-direct-npapi-requests",
"--disable-web-security",
"about:blank"]
self.logger.info("running {}".format(chrome_args))
"--disable-web-security"]
if self.ignore_cert_errors:
chrome_args.append("--ignore-certificate-errors")
if self.proxy_server:
chrome_args.append("--proxy-server={}".format(self.proxy_server))
chrome_args.append("about:blank")
self.logger.info("running: {}".format(" ".join(chrome_args)))
self.chrome_process = subprocess.Popen(chrome_args, env=new_env, start_new_session=True)
self.logger.info("chrome running, pid {}".format(self.chrome_process.pid))
self._start = time.time() # member variable just so that kill -QUIT reports it