gistfile1.py

class Instagram:

    accs = [
        {"username": "USERNAME","password": "PASSWORD"},
    ]

    grab = Grab()

    def login(self):
        """
        Авторизация
        :return: Grab dump config
        """
        agent = self.GenerateUserAgent()
        guid = self.GenerateGuid()
        device_id = 'android-' + guid
        data = '{"device_id":"%s","guid":"%s","username":"%s","password":"%s","Content-Type":"application/x-www-form-urlencoded; charset=UTF-8"}' % \
               (device_id, guid, self.accs[0]['username'], self.accs[0]['password'])
        sig = self.GenerateSignature(data)
        self.grab.setup(user_agent=agent)
        self.grab.setup(post=urllib.urlencode({'signed_body': sig + '.' + data, 'ig_sig_key_version': 4}),
                        url='https://i.instagram.com/api/v1/accounts/login/')
        self.grab.request()
        print self.grab.response.body

        res_login = json.loads(self.grab.response.body)
        if res_login['status'] == 'ok':
            print "Login ok!"
            return True
        else:
            print "Login bad"
            return False

    def GenerateUserAgent(self):
        resolution = ['720x1280', '320x480', '480x800', '1024x768', '1280x720', '768x1024', '480x320']
        vearsion = ['GT-N7000', 'SM-N9000', 'GT-I9220', 'GT-I9100']
        dpip = ['120', '160', '320', '240']

        ver = random.choice(vearsion)
        dpi = random.choice(dpip)
        res = random.choice(resolution)

        return 'Instagram 4.%s.%s Android (%s/%s.%s.%s; %s; %s; samsung; %s; %s; smdkc210; en_US)' % \
               (random.randint(1, 2),
                random.randint(0, 2),
                random.randint(10, 11),
                random.randint(1, 3),
                random.randint(3, 5),
                random.randint(0, 5),
                dpi,
                res,
                ver,
                ver)

    def GenerateSignature(self, data):
        signature = hmac.new("b4a23f5e39b5929e0666ac5de94c89d1618a2916", data, hashlib.sha256).hexdigest()
        return signature

    def GenerateGuid(self):
        return "%04x%04x-%04x-%04x-%04x-%04x%04x%04x" % (random.randint(0, 65535), random.randint(0, 65535), random.randint(0, 65535),
                                                         random.randint(16384, 20479), random.randint(32768, 49151), random.randint(0, 65535),
                                                         random.randint(0, 65535), random.randint(0, 65535))