def getCanonicalQueryString(self, args_path):
canonMap = {}
for key, value in args_path.items():
canonMap[key] = value
cannoList = sorted(canonMap.items(), key=lambda d: d[0])
queryStr = ''
i = 0
for val in cannoList:
if i != 0:
queryStr += '&'
queryStr += '%s=%s'%(common_util.encode_item(val[0], ' ,:?&%'), common_util.encode_item(val[1], ' ,:?&%')) #v4签名value必须转移'/'
i = 1
return queryStr
def __make_canonicalstring(self,
method,
bucket_name,
key,
path_args,
headers,
expires=None):
str_list = []
str_list.append(method + '\n')
interesting_headers = {}
content_list = ['content-type', 'content-md5', 'date']
if isinstance(headers, dict):
for hash_key in headers.keys():
lk = hash_key.lower()
if lk in content_list or lk.startswith(
common_util.AMAZON_HEADER_PREFIX):
s = headers.get(hash_key)
interesting_headers[lk] = ''.join(s)
keylist = interesting_headers.keys()
if common_util.ALTERNATIVE_DATE_HEADER in keylist:
interesting_headers.setdefault('date', '')
if expires:
interesting_headers['date'] = expires
if 'content-type' not in keylist:
interesting_headers['content-type'] = ''
if 'content-md5' not in keylist:
interesting_headers['content-md5'] = ''
keylist = sorted(interesting_headers.keys())
for k in keylist:
header_key = str(k)
if header_key.startswith(common_util.AMAZON_HEADER_PREFIX):
str_list.append(header_key + ':' +
interesting_headers[header_key])
else:
str_list.append(interesting_headers[header_key])
str_list.append('\n')
URI = ''
if bucket_name is not None and bucket_name != '':
URI += '/'
URI += bucket_name
if not self.path_style:
URI += '/'
if key is not None:
if not URI.endswith('/'):
URI += '/'
URI += common_util.encode_object_key(key)
if URI:
str_list.append(URI)
else:
str_list.append('/')
if path_args:
e1 = '?'
e2 = '&'
canonMap = {}
for _key, value in path_args.items():
canonMap[_key] = value
cannoList = sorted(canonMap.items(), key=lambda d: d[0])
for val in cannoList:
path_key, path_value = val[0], val[1]
flag = True
if path_key.lower(
) not in common_util.ALLOWED_RESOURCE_PARAMTER_NAMES:
flag = False
if flag:
path_key = common_util.encode_item(
common_util.toString(path_key), ' ,:?&%')
if path_value is None:
e1 += path_key + '&'
continue
e2 += path_key + '=' + common_util.toString(
path_value) + '&'
e = (e1 + e2).replace('&&', '&').replace('?&', '?')[:-1]
str_list.append(e)
return ''.join(str_list)