project/utils.py

# -*- coding: utf-8 -*-
import os
import sys
import json
import time
import datetime
import random
import urllib
import urllib2
import ssl
import gzip
import StringIO
import binascii
import hmac
import hashlib
from traceback import format_exc
from copy import deepcopy
from collections import OrderedDict

class QcloudAPI(object):
    def __init__(self, secretid="AKIDOh7ZouTY4OWtDZp9zrrfGsyxDLL9mkdy",
                 secretkey="RhlcaaJuKYzRPGvO3e4MTPBlS6Zq197G"):
        self.secretid = secretid
        self.secretkey = secretkey
        self.params = {}

    def gen_sign(self, url, params, method='GET'):
        srcstr = method.upper() + url + '?' + "&".join(k.replace("_",".") + "=" + str(params[k]) for k in sorted(params.keys()))
        # print srcstr
        hashed = hmac.new(self.secretkey, srcstr, hashlib.sha1)
        return binascii.b2a_base64(hashed.digest())[:-1]

    def refresh_cnd_dir(self, url):
        req_url = "cdn.api.qcloud.com/v2/index.php"
        params = OrderedDict(deepcopy(self.params))
        params["Action"] = "RefreshCdnDir"
        params['SecretId'] = self.secretid
        params["Timestamp"] = int(time.time())
        params["Nonce"] = random.randint(1, 1000000000)
        params["dirs.0"] = url
        print params
        params["Signature"] = self.gen_sign(req_url, params)
        _req_url = "?".join(["https://"+req_url, urllib.urlencode(params)])
        resp = send_req(_req_url)
        print resp
        return resp