def app_sign(self, bucket, fileid, expired):
app_info = conf.get_app_info()
if not self._secret_id or not self._secret_key or not app_info['appid']:
return self.AUTH_SECRET_ID_KEY_ERROR
now = int(time.time())
rdm = random.randint(0, 999999999)
plain_text = 'a=' + app_info['appid'] + '&k=' + self._secret_id + '&e=' + str(expired) + '&t=' + str(now) + '&r=' + str(rdm) + '&f=' + fileid + '&b=' + bucket
bin = hmac.new(self._secret_key, plain_text, hashlib.sha1)
s = bin.hexdigest()
s = binascii.unhexlify(s)
s = s + plain_text
signature = base64.b64encode(s).rstrip() #生成签名
return signature
def __update(self, bucket, path, bizattr=''):
expired = int(time.time()) + self.EXPIRED_SECONDS
url = self.generate_res_url(bucket, path)
auth = Auth(self._secret_id, self._secret_key)
sign = auth.sign_once(bucket, '/'+str(conf.get_app_info()['appid'])+'/'+bucket+'/'+path)
#sign = auth.sign_once(bucket, '/'+path)
headers = {
'Authorization':sign,
'Content-Type':'application/json',
'User-Agent':conf.get_ua(),
}
data = {'op':'update','biz_attr':bizattr}
return self.sendRequest('POST', url, headers=headers, data=json.dumps(data), timeout=(self.connect_timeout, self.read_timeout))
def app_sign(self, bucket, fileid, expired):
app_info = conf.get_app_info()
if not self._secret_id or not self._secret_key or not app_info['appid']:
return self.AUTH_SECRET_ID_KEY_ERROR
now = int(time.time())
rdm = random.randint(0, 999999999)
plain_text = 'a=' + app_info[
'appid'] + '&k=' + self._secret_id + '&e=' + str(
expired) + '&t=' + str(now) + '&r=' + str(
rdm) + '&f=' + fileid + '&b=' + bucket
bin = hmac.new(self._secret_key, plain_text, hashlib.sha1)
s = bin.hexdigest()
s = binascii.unhexlify(s)
s = s + plain_text
signature = base64.b64encode(s).rstrip() #生成签名
return signature
def __delete(self, bucket, path):
if path == '' or path == '/':
return {'httpcode':0, 'code':self.COS_PARAMS_ERROR, 'message':'path cannot be empty', 'data':{}}
expired = int(time.time()) + self.EXPIRED_SECONDS
url = self.generate_res_url(bucket, path)
auth = Auth(self._secret_id, self._secret_key)
sign = auth.sign_once(bucket, '/'+str(conf.get_app_info()['appid'])+'/'+bucket+'/'+path)
#sign = auth.sign_once(bucket, '/'+path)
headers = {
'Authorization':sign,
'Content-Type':'application/json',
'User-Agent':conf.get_ua(),
}
data = {'op':'delete'}
return self.sendRequest('POST', url, headers=headers, data=json.dumps(data), timeout=(self.connect_timeout, self.read_timeout))
def get_info_from_url(self, url):
app_info = conf.get_app_info()
end_point = app_info['end_point']
info = urlparse(url)
end_point_info = urlparse(end_point)
if (info.hostname == urlparse(conf.API_COS_END_POINT).hostname) :
if info.path :
parts = info.path.split('/')
if len(parts) >= 5:
cate = parts[1]
ver = parts[2]
appid = parts[3]
bucket = parts[4]
fileid = ''
for i in range(3, len(parts)) :
fileid += '/' + parts[i]
return {'cate':cate, 'ver':ver, 'appid':appid, 'bucket':bucket, 'fileid':fileid}
else:
return {}
else:
return {}
else :
return {}
def generate_res_url(self, bucket, dstpath): app_info = conf.get_app_info() return app_info['end_point'] + str(app_info['appid']) + '/' + bucket + '/' + dstpath
