def _canonical_query_string_params(self, params):
l = []
for param in params:
value = str(params[param])
l.append('%s=%s' %
(quote(param, safe='-_.~'), quote(value, safe='-_.~')))
l = sorted(l)
cqs = '&'.join(l)
return cqs
def _canonical_query_string_params(self, params):
l = []
for param in params:
value = str(params[param])
l.append('%s=%s' % (quote(param, safe='-_.~'),
quote(value, safe='-_.~')))
l = sorted(l)
cqs = '&'.join(l)
return cqs
def _canonical_query_string_url(self, parts):
buf = ''
if parts.query:
qsa = parts.query.split('&')
qsa = [a.split('=', 1) for a in qsa]
quoted_qsa = []
for q in qsa:
if len(q) == 2:
quoted_qsa.append('%s=%s' % (quote(
q[0], safe='-_.~'), quote(unquote(q[1]), safe='-_.~')))
elif len(q) == 1:
quoted_qsa.append('%s=' % quote(q[0], safe='-_.~'))
if len(quoted_qsa) > 0:
quoted_qsa.sort()
buf += '&'.join(quoted_qsa)
return buf
def _canonical_query_string_url(self, parts):
buf = ''
if parts.query:
qsa = parts.query.split('&')
qsa = [a.split('=', 1) for a in qsa]
quoted_qsa = []
for q in qsa:
if len(q) == 2:
quoted_qsa.append(
'%s=%s' % (quote(q[0], safe='-_.~'),
quote(unquote(q[1]), safe='-_.~')))
elif len(q) == 1:
quoted_qsa.append('%s=' % quote(q[0], safe='-_.~'))
if len(quoted_qsa) > 0:
quoted_qsa.sort()
buf += '&'.join(quoted_qsa)
return buf
def percent_encode(input_str, safe=SAFE_CHARS):
"""Urlencodes a string.
Whereas percent_encode_sequence handles taking a dict/sequence and
producing a percent encoded string, this function deals only with
taking a string (not a dict/sequence) and percent encoding it.
"""
if not isinstance(input_str, string_types):
input_str = text_type(input_str)
return quote(text_type(input_str).encode('utf-8'), safe=safe)
def percent_encode(input_str, safe=SAFE_CHARS):
"""Urlencodes a string.
Whereas percent_encode_sequence handles taking a dict/sequence and
producing a percent encoded string, this function deals only with
taking a string (not a dict/sequence) and percent encoding it.
"""
if not isinstance(input_str, string_types):
input_str = text_type(input_str)
return quote(text_type(input_str).encode('utf-8'), safe=safe)
def calc_signature(self, request, params):
logger.debug("Calculating signature using v2 auth.")
split = urlsplit(request.url)
path = split.path
if len(path) == 0:
path = '/'
string_to_sign = '%s\n%s\n%s\n' % (request.method, split.netloc, path)
lhmac = hmac.new(self.credentials.secret_key.encode('utf-8'),
digestmod=sha256)
pairs = []
for key in sorted(params):
value = six.text_type(params[key])
pairs.append(
quote(key.encode('utf-8'), safe='') + '=' +
quote(value.encode('utf-8'), safe='-_~'))
qs = '&'.join(pairs)
string_to_sign += qs
logger.debug('String to sign: %s', string_to_sign)
lhmac.update(string_to_sign.encode('utf-8'))
b64 = base64.b64encode(lhmac.digest()).strip().decode('utf-8')
return (qs, b64)
def calc_signature(self, request, params):
logger.debug("Calculating signature using v2 auth.")
split = urlsplit(request.url)
path = split.path
if len(path) == 0:
path = '/'
string_to_sign = '%s\n%s\n%s\n' % (request.method,
split.netloc,
path)
lhmac = hmac.new(self.credentials.secret_key.encode('utf-8'),
digestmod=sha256)
pairs = []
for key in sorted(params):
value = six.text_type(params[key])
pairs.append(quote(key.encode('utf-8'), safe='') + '=' +
quote(value.encode('utf-8'), safe='-_~'))
qs = '&'.join(pairs)
string_to_sign += qs
logger.debug('String to sign: %s', string_to_sign)
lhmac.update(string_to_sign.encode('utf-8'))
b64 = base64.b64encode(lhmac.digest()).strip().decode('utf-8')
return (qs, b64)
def _normalize_url_path(self, path):
normalized_path = quote(normalize_url_path(path), safe='/~')
return normalized_path
def quote_source_header(params, **kwargs):
if params['headers'] and 'x-amz-copy-source' in params['headers']:
value = params['headers']['x-amz-copy-source']
params['headers']['x-amz-copy-source'] = quote(value.encode('utf-8'),
'/~')
def quote_source_header(params, **kwargs):
if params['headers'] and 'x-amz-copy-source' in params['headers']:
value = params['headers']['x-amz-copy-source']
params['headers']['x-amz-copy-source'] = quote(
value.encode('utf-8'), '/~')
def _normalize_url_path(self, path):
normalized_path = quote(normalize_url_path(path), safe='/~')
return normalized_path
