def _normalize_params(params):
"""
Returns a normalized query string sorted first by key, then by value
excluding the ``realm`` and ``oauth_signature`` parameters
as specified here: http://oauth.net/core/1.0a/#rfc.section.9.1.1
:param params:
:class:`dict` or :class:`list` of tuples.
"""
if type(params) == dict:
params = list(params.items())
# remove "realm" and "oauth_signature"
params = [(k, v) for k, v in params if k not in ('oauth_signature', 'realm')]
# sort
params.sort()
# convert to query string
qs = parse.urlencode(params)
# replace "+" to "%20"
qs = qs.replace('+', '%20')
# replace "%7E" to "%20"
qs = qs.replace('%7E', '~')
return qs
def _normalize_params(params):
"""
Returns a normalized query string sorted first by key, then by value
excluding the ``realm`` and ``oauth_signature`` parameters
as specified here: http://oauth.net/core/1.0a/#rfc.section.9.1.1
:param params:
:class:`dict` or :class:`list` of tuples.
"""
if type(params) == dict:
params = list(params.items())
# remove "realm" and "oauth_signature"
params = [(k, v) for k, v in params if k not in ('oauth_signature', 'realm')]
# sort
params.sort()
# convert to query string
qs = parse.urlencode(params)
# replace "+" to "%20"
qs = qs.replace('+', '%20')
# replace "%7E" to "%20"
qs = qs.replace('%7E', '~')
return qs
def _fetch(self, url, method='GET', params=None, headers=None, body='', max_redirects=5, content_parser=None):
"""
Fetches a URL.
:param str url:
The URL to fetch.
:param str method:
HTTP method of the request.
:param dict params:
Dictionary of request parameters.
:param dict headers:
HTTP headers of the request.
:param str body:
Body of ``POST``, ``PUT`` and ``PATCH`` requests.
:param int max_redirects:
Number of maximum HTTP redirects to follow.
:param function content_parser:
A callable to be used to parse the :attr:`.Response.data` from :attr:`.Response.content`.
"""
params = params or {}
params.update(self.access_params)
headers = headers or {}
headers.update(self.access_headers)
scheme, host, path, query, fragment = parse.urlsplit(url)
query = parse.urlencode(params)
if method in ('POST', 'PUT', 'PATCH'):
if not body:
# Put querystring to body
body = query
query = ''
headers.update({'Content-Type': 'application/x-www-form-urlencoded'})
print(path, query)
request_path = parse.urlunsplit(('', '', path or '', query or '', ''))
self._log(logging.DEBUG, ' \u251C\u2500 host: {0}'.format(host))
self._log(logging.DEBUG, ' \u251C\u2500 path: {0}'.format(request_path))
self._log(logging.DEBUG, ' \u251C\u2500 method: {0}'.format(method))
self._log(logging.DEBUG, ' \u251C\u2500 body: {0}'.format(body))
self._log(logging.DEBUG, ' \u251C\u2500 params: {0}'.format(params))
self._log(logging.DEBUG, ' \u2514\u2500 headers: {0}'.format(headers))
# Connect
if scheme.lower() == 'https':
connection = http_client.HTTPSConnection(host)
else:
connection = http_client.HTTPConnection(host)
try:
connection.request(method, request_path, body, headers)
except Exception as e:
raise FetchError('Could not connect!',
original_message=e.message,
url=request_path)
response = connection.getresponse()
location = response.getheader('Location')
if response.status in (300, 301, 302, 303, 307) and location:
if location == url:
raise FetchError('Url redirects to itself!',
url=location,
status=response.status)
elif max_redirects > 0:
remaining_redirects = max_redirects - 1
self._log(logging.DEBUG, 'Redirecting to {0}'.format(url))
self._log(logging.DEBUG, 'Remaining redirects: {0}'
.format(remaining_redirects))
# Call this method again.
response = self._fetch(url=location,
params=params,
method=method,
headers=headers,
max_redirects=remaining_redirects)
else:
raise FetchError('Max redirects reached!',
url=location,
status=response.status)
else:
self._log(logging.DEBUG, 'Got response:')
self._log(logging.DEBUG, ' \u251C\u2500 url: {0}'.format(url))
self._log(logging.DEBUG, ' \u251C\u2500 status: {0}'.format(response.status))
self._log(logging.DEBUG, ' \u2514\u2500 headers: {0}'.format(response.getheaders()))
return authomatic.core.Response(response, content_parser)
def _fetch(self,
url,
method='GET',
params=None,
headers=None,
body='',
max_redirects=5,
content_parser=None):
"""
Fetches a URL.
:param str url:
The URL to fetch.
:param str method:
HTTP method of the request.
:param dict params:
Dictionary of request parameters.
:param dict headers:
HTTP headers of the request.
:param str body:
Body of ``POST``, ``PUT`` and ``PATCH`` requests.
:param int max_redirects:
Number of maximum HTTP redirects to follow.
:param function content_parser:
A callable to be used to parse the :attr:`.Response.data` from :attr:`.Response.content`.
"""
params = params or {}
params.update(self.access_params)
headers = headers or {}
headers.update(self.access_headers)
scheme, host, path, query, fragment = parse.urlsplit(url)
query = parse.urlencode(params)
if method in ('POST', 'PUT', 'PATCH'):
if not body:
# Put querystring to body
body = query
query = ''
headers.update(
{'Content-Type': 'application/x-www-form-urlencoded'})
request_path = parse.urlunsplit(('', '', path or '', query or '', ''))
self._log(logging.DEBUG, ' \u251C\u2500 host: {0}'.format(host))
self._log(logging.DEBUG,
' \u251C\u2500 path: {0}'.format(request_path))
self._log(logging.DEBUG, ' \u251C\u2500 method: {0}'.format(method))
self._log(logging.DEBUG, ' \u251C\u2500 body: {0}'.format(body))
self._log(logging.DEBUG, ' \u251C\u2500 params: {0}'.format(params))
self._log(logging.DEBUG, ' \u2514\u2500 headers: {0}'.format(headers))
# Connect
if scheme.lower() == 'https':
connection = http_client.HTTPSConnection(host)
else:
connection = http_client.HTTPConnection(host)
try:
connection.request(method, request_path, body, headers)
except Exception as e:
raise FetchError('Could not connect!',
original_message=e.message,
url=request_path)
response = connection.getresponse()
location = response.getheader('Location')
if response.status in (300, 301, 302, 303, 307) and location:
if location == url:
raise FetchError('Url redirects to itself!',
url=location,
status=response.status)
elif max_redirects > 0:
remaining_redirects = max_redirects - 1
self._log(logging.DEBUG, 'Redirecting to {0}'.format(url))
self._log(
logging.DEBUG,
'Remaining redirects: {0}'.format(remaining_redirects))
# Call this method again.
response = self._fetch(url=location,
params=params,
method=method,
headers=headers,
max_redirects=remaining_redirects)
else:
raise FetchError('Max redirects reached!',
url=location,
status=response.status)
else:
self._log(logging.DEBUG, 'Got response:')
self._log(logging.DEBUG, ' \u251C\u2500 url: {0}'.format(url))
self._log(logging.DEBUG,
' \u251C\u2500 status: {0}'.format(response.status))
self._log(
logging.DEBUG,
' \u2514\u2500 headers: {0}'.format(response.getheaders()))
return authomatic.core.Response(response, content_parser)