def _get_initial_token(url):
"""
Create initial connection to get authentication token for future
requests.
Returns a string to be used in subsequent connections with the
X-CSRFToken header or the empty string if we didn't find any token in
the cookies.
"""
logging.info('Getting initial CSRF token.')
cookiejar = CookieJar()
opener = build_opener(HTTPCookieProcessor(cookiejar))
install_opener(opener)
opener.open(url)
for cookie in cookiejar:
if cookie.name == 'csrftoken':
logging.info('Found CSRF token.')
return cookie.value
logging.warn('Did not find the CSRF token.')
return ''
def __init__(self):
self.cookie = http.cookiejar.CookieJar()
self.opener = build_opener(HTTPCookieProcessor(self.cookie))
self.opener.addheaders = BROWSER_HEAD
def __init__(self,
url,
cookie_file=None,
username=None,
password=None,
api_token=None,
agent=None,
session=None,
disable_proxy=False,
auth_callback=None,
otp_token_callback=None,
verify_ssl=True,
save_cookies=True,
ext_auth_cookies=None):
if not url.endswith('/'):
url += '/'
self.url = url + 'api/'
self.save_cookies = save_cookies
self.ext_auth_cookies = ext_auth_cookies
if self.save_cookies:
self.cookie_jar, self.cookie_file = create_cookie_jar(
cookie_file=cookie_file)
try:
self.cookie_jar.load(ignore_expires=True)
except IOError:
pass
else:
self.cookie_jar = CookieJar()
self.cookie_file = None
if self.ext_auth_cookies:
try:
self.cookie_jar.load(ext_auth_cookies, ignore_expires=True)
except IOError as e:
logging.critical(
'There was an error while loading a '
'cookie file: %s', e)
pass
# Get the cookie domain from the url. If the domain
# does not contain a '.' (e.g. 'localhost'), we assume
# it is a local domain and suffix it (See RFC 2109).
parsed_url = urlparse(url)
self.domain = parsed_url[1].partition(':')[0] # Remove Port.
if self.domain.count('.') < 1:
self.domain = '%s.local' % self.domain
if session:
cookie = Cookie(version=0,
name=RB_COOKIE_NAME,
value=session,
port=None,
port_specified=False,
domain=self.domain,
domain_specified=True,
domain_initial_dot=True,
path=parsed_url[2],
path_specified=True,
secure=False,
expires=None,
discard=False,
comment=None,
comment_url=None,
rest={'HttpOnly': None})
self.cookie_jar.set_cookie(cookie)
if self.save_cookies:
self.cookie_jar.save()
if username:
# If the username parameter is given, we have to clear the session
# cookie manually or it will override the username:password
# combination retrieved from the authentication callback.
try:
self.cookie_jar.clear(self.domain, parsed_url[2],
RB_COOKIE_NAME)
except KeyError:
pass
# Set up the HTTP libraries to support all of the features we need.
password_mgr = ReviewBoardHTTPPasswordMgr(self.url, username, password,
api_token, auth_callback,
otp_token_callback)
self.preset_auth_handler = PresetHTTPAuthHandler(
self.url, password_mgr)
handlers = []
if not verify_ssl:
context = ssl._create_unverified_context()
handlers.append(HTTPSHandler(context=context))
if disable_proxy:
handlers.append(ProxyHandler({}))
handlers += [
HTTPCookieProcessor(self.cookie_jar),
ReviewBoardHTTPBasicAuthHandler(password_mgr),
HTTPDigestAuthHandler(password_mgr),
self.preset_auth_handler,
ReviewBoardHTTPErrorProcessor(),
]
if agent:
self.agent = agent
else:
self.agent = ('RBTools/' + get_package_version()).encode('utf-8')
opener = build_opener(*handlers)
opener.addheaders = [
(str('User-agent'), str(self.agent)),
]
install_opener(opener)
self._cache = None
self._urlopen = urlopen
def __init__(self,
url,
cookie_file=None,
username=None,
password=None,
api_token=None,
agent=None,
session=None,
disable_proxy=False,
auth_callback=None,
otp_token_callback=None):
self.url = url
if not self.url.endswith('/'):
self.url += '/'
self.url = self.url + 'api/'
self.cookie_jar, self.cookie_file = create_cookie_jar(
cookie_file=cookie_file)
try:
self.cookie_jar.load(ignore_expires=True)
except IOError:
pass
if session:
parsed_url = urlparse(url)
# Get the cookie domain from the url. If the domain
# does not contain a '.' (e.g. 'localhost'), we assume
# it is a local domain and suffix it (See RFC 2109).
domain = parsed_url[1].partition(':')[0] # Remove Port.
if domain.count('.') < 1:
domain = '%s.local' % domain
cookie = Cookie(version=0,
name=RB_COOKIE_NAME,
value=session,
port=None,
port_specified=False,
domain=domain,
domain_specified=True,
domain_initial_dot=True,
path=parsed_url[2],
path_specified=True,
secure=False,
expires=None,
discard=False,
comment=None,
comment_url=None,
rest={'HttpOnly': None})
self.cookie_jar.set_cookie(cookie)
self.cookie_jar.save()
# Set up the HTTP libraries to support all of the features we need.
password_mgr = ReviewBoardHTTPPasswordMgr(self.url, username, password,
api_token, auth_callback,
otp_token_callback)
self.preset_auth_handler = PresetHTTPAuthHandler(
self.url, password_mgr)
handlers = []
if disable_proxy:
handlers.append(ProxyHandler({}))
handlers += [
HTTPCookieProcessor(self.cookie_jar),
ReviewBoardHTTPBasicAuthHandler(password_mgr),
HTTPDigestAuthHandler(password_mgr),
self.preset_auth_handler,
ReviewBoardHTTPErrorProcessor(),
]
if agent:
self.agent = agent
else:
self.agent = ('RBTools/' + get_package_version()).encode('utf-8')
opener = build_opener(*handlers)
opener.addheaders = [
(b'User-agent', self.agent),
]
install_opener(opener)
self._cache = APICache()
def url_downloader(url, data=None, path=None, cookie=None,
timeout=5, retry=1, retry_ivl=5, agent=None, proxy=None):
"""Download URL link
url: url to download
data: post data
path: download to local file
timeout: socket timeout
retry: retry times to download url
retry_ivl: interval time when retry
agent: http user agent
proxy: socks5://127.0.0.1:1080
"""
while True:
try:
if isinstance(data, dict):
data = urlencode(data)
request = Request(url, data=data)
request.add_header('User-Agent', agent or get_user_agent())
if data:
request.add_header(
'Content-Type',
'application/x-www-form-urlencoded;charset=utf-8')
response = None
handlers = []
if proxy:
scheme, host, port = proxy.split(':')
host = host.strip('/')
proxy_handler = SocksiPyHandler(
socks.PROXY_TYPES[scheme.upper()], host, int(port)
)
handlers.append(proxy_handler)
if cookie is None:
cookie = CookieJar()
cookie_handler = HTTPCookieProcessor(cookie)
handlers.append(cookie_handler)
opener = build_opener(*handlers)
response = opener.open(request, timeout=timeout)
content_encoding = response.info().get('content-encoding')
if content_encoding:
r_data = gzip.decompress(response.read())
else:
r_data = response.read()
if path:
with open(path, 'wb') as f:
f.write(r_data)
r_data = None
response.close()
mime = response.info().get('content-type')
real_url = response.geturl()
err_msg = 'Ok'
break
except (URLError, socket.error, Exception) as err:
response and response.close()
retry -= 1
err_msg = str(err)
if retry > 0:
time.sleep(retry_ivl)
retry_ivl += retry_ivl
timeout += timeout
else:
mime = r_data = real_url = None
break
return {
'mime': mime,
'path': path,
'data': r_data,
'url': real_url,
'cookie': cookie,
'error': err_msg,
}
def request_wolfram_alpha(input, verbose=False):
r"""
Request Wolfram Alpha website.
INPUT:
- ``input`` -- string
- ``verbose`` -- bool (default: ``False``)
OUTPUT:
json
EXAMPLES::
sage: from sage.symbolic.integration.external import request_wolfram_alpha
sage: page_data = request_wolfram_alpha('integrate Sin[x]') # optional internet
sage: [str(a) for a in sorted(page_data.keys())] # optional internet
['queryresult']
sage: [str(a) for a in sorted(page_data['queryresult'].keys())] # optional internet
['datatypes',
'encryptedEvaluatedExpression',
'encryptedParsedExpression',
'error',
'host',
'id',
'numpods',
'parsetimedout',
'parsetiming',
'pods',
'recalculate',
'related',
'server',
'sponsorCategories',
'success',
'timedout',
'timedoutpods',
'timing',
'version']
"""
# import compatible with py2 and py3
from six.moves.urllib.parse import urlencode
from six.moves.urllib.request import Request, build_opener, HTTPCookieProcessor
import json
from http.cookiejar import CookieJar
# we need cookies for this...
cj = CookieJar()
opener = build_opener(HTTPCookieProcessor(cj))
# build initial query for code
req = Request("http://www.wolframalpha.com/input/api/v1/code")
resp = opener.open(req)
# the website returns JSON containing the code
page_data = json.loads(resp.read().decode("utf-8"))
if not ("code" in page_data.keys()):
raise ValueError("Wolfram did not return a code")
proxy_code = page_data['code']
if verbose:
print("Code: {}".format(proxy_code))
print("Cookies: {}".format(cj))
# now we can make a request
# some parameters documented here:
# https://products.wolframalpha.com/api/documentation/#parameter-reference
# the following are the parameters used by the website
params = {
'assumptionsversion': '2',
'async': 'true',
'banners': 'raw',
'debuggingdata': 'false',
'format': 'image,plaintext,imagemap,sound,minput,moutput',
'formattimeout': '8',
'input': input,
'output': 'JSON',
'parsetimeout': '5',
'podinfosasync': 'true',
'proxycode': proxy_code,
'recalcscheme': 'parallel',
'sbsdetails': 'true',
'scantimeout': '0.5',
'sponsorcategories': 'true',
'statemethod': 'deploybutton',
'storesubpodexprs': 'true'
}
# # we can also change some parameters
# params = {
# 'assumptionsversion': '2',
# 'banners': 'raw',
# 'format': 'minput,moutput',
# 'formattimeout': '8',
# 'input': input,
# 'output': 'JSON',
# 'parsetimeout': '5',
# 'proxycode': proxy_code,
# 'scantimeout': '0.5',
# 'storesubpodexprs': 'true'
# }
params = urlencode(params)
url = "https://www.wolframalpha.com/input/json.jsp?%s" % params
req = Request(url)
req.add_header('Referer',
"https://www.wolframalpha.com/input/") # seems important
resp = opener.open(req)
# the website returns JSON containing the code
return json.loads(resp.read().decode("utf-8"))
def init_opener(self):
self.cj = http_cookiejar.CookieJar()
return build_opener(HTTPCookieProcessor(self.cj))
def __init__(self):
self.cookies = {}
self.server_url = 'https://www.titulky.com'
opener = build_opener(HTTPCookieProcessor(http_cookiejar.LWPCookieJar()))
opener.addheaders = [('User-agent', 'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3 ( .NET CLR 3.5.30729)')]
install_opener(opener)
def __init__(self, jar):
self._opener = build_opener(HTTPCookieProcessor(jar))
