/usr/lib/python2.7/dist-packages/ooni/oonibclient.py is in ooniprobe 1.3.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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from twisted.web.client import Agent
from twisted.internet import defer, reactor
from twisted.internet.endpoints import TCP4ClientEndpoint
from ooni import errors as e
from ooni.settings import config
from ooni.utils import log
from ooni.utils.net import BodyReceiver, StringProducer, Downloader
from ooni.utils.trueheaders import TrueHeadersSOCKS5Agent
class OONIBClient(object):
retries = 3
def __init__(self, address):
self.address = address
def _request(self, method, urn, genReceiver, bodyProducer=None):
address = self.address
if self.address.startswith('httpo://'):
address = self.address.replace('httpo://', 'http://')
agent = TrueHeadersSOCKS5Agent(reactor,
proxyEndpoint=TCP4ClientEndpoint(reactor, '127.0.0.1',
config.tor.socks_port))
elif self.address.startswith('https://'):
log.err("HTTPS based bouncers are currently not supported.")
raise e.InvalidOONIBBouncerAddress
elif self.address.startswith('http://'):
log.msg("Warning using unencrypted backend")
agent = Agent(reactor)
attempts = 0
finished = defer.Deferred()
def perform_request(attempts):
uri = address + urn
d = agent.request(method, uri, bodyProducer=bodyProducer)
@d.addCallback
def callback(response):
try:
content_length = int(response.headers.getRawHeaders('content-length')[0])
except:
content_length = None
response.deliverBody(genReceiver(finished, content_length))
def errback(err, attempts):
# We we will recursively keep trying to perform a request until
# we have reached the retry count.
if attempts < self.retries:
log.err("Lookup failed. Retrying.")
attempts += 1
perform_request(attempts)
else:
log.err("Failed. Giving up.")
finished.errback(err)
d.addErrback(errback, attempts)
perform_request(attempts)
return finished
def queryBackend(self, method, urn, query=None):
bodyProducer = None
if query:
bodyProducer = StringProducer(json.dumps(query))
def genReceiver(finished, content_length):
def process_response(s):
# If empty string then don't parse it.
if not s:
return
try:
response = json.loads(s)
except ValueError:
raise e.get_error(None)
if 'error' in response:
print "Got this backend error message %s" % response
log.err("Got this backend error message %s" % response)
raise e.get_error(response['error'])
return response
return BodyReceiver(finished, content_length, process_response)
return self._request(method, urn, genReceiver, bodyProducer)
def download(self, urn, download_path):
def genReceiver(finished, content_length):
return Downloader(download_path, finished, content_length)
return self._request('GET', urn, genReceiver)
def getInput(self, input_hash):
from ooni.deck import InputFile
input_file = InputFile(input_hash)
if input_file.descriptorCached:
return defer.succeed(input_file)
else:
d = self.queryBackend('GET', '/input/' + input_hash)
@d.addCallback
def cb(descriptor):
input_file.load(descriptor)
input_file.save()
return input_file
@d.addErrback
def err(err):
log.err("Failed to get descriptor for input %s" % input_hash)
log.exception(err)
return d
def getInputList(self):
return self.queryBackend('GET', '/input')
def downloadInput(self, input_hash):
from ooni.deck import InputFile
input_file = InputFile(input_hash)
if input_file.fileCached:
return defer.succeed(input_file)
else:
d = self.download('/input/' + input_hash + '/file', input_file.cached_file)
@d.addCallback
def cb(res):
input_file.verify()
return input_file
@d.addErrback
def err(err):
log.err("Failed to download the input file %s" % input_hash)
log.exception(err)
return d
def getInputPolicy(self):
return self.queryBackend('GET', '/policy/input')
def getNettestPolicy(self):
return self.queryBackend('GET', '/policy/nettest')
def getDeckList(self):
return self.queryBackend('GET', '/deck')
def getDeck(self, deck_hash):
from ooni.deck import Deck
deck = Deck(deck_hash)
if deck.descriptorCached:
return defer.succeed(deck)
else:
d = self.queryBackend('GET', '/deck/' + deck_hash)
@d.addCallback
def cb(descriptor):
deck.load(descriptor)
deck.save()
return deck
@d.addErrback
def err(err):
log.err("Failed to get descriptor for deck %s" % deck_hash)
print err
log.exception(err)
return d
def downloadDeck(self, deck_hash):
from ooni.deck import Deck
deck = Deck(deck_hash)
if deck.fileCached:
return defer.succeed(deck)
else:
d = self.download('/deck/' + deck_hash + '/file', deck.cached_file)
@d.addCallback
def cb(res):
deck.verify()
return deck
@d.addErrback
def err(err):
log.err("Failed to download the deck %s" % deck_hash)
print err
log.exception(err)
return d
@defer.inlineCallbacks
def lookupTestCollector(self, net_tests):
try:
test_collector = yield self.queryBackend('POST', '/bouncer/net-tests',
query={'net-tests': net_tests})
except Exception as exc:
log.exception(exc)
raise e.CouldNotFindTestCollector
defer.returnValue(test_collector)
@defer.inlineCallbacks
def lookupTestHelpers(self, test_helper_names):
try:
test_helper = yield self.queryBackend('POST', '/bouncer/test-helpers',
query={'test-helpers': test_helper_names})
except Exception as exc:
log.exception(exc)
raise e.CouldNotFindTestHelper
if not test_helper:
raise e.CouldNotFindTestHelper
defer.returnValue(test_helper)
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