Server-py/sri-server-bg02/api/Key.py

from hub import methods, Global


class Key(object):

    @classmethod
    def create_key(cls, **params):
        """
        生成key
        """
        # --- check ---
        key_path = '/home/server/key'
        if methods.is_file(key_path):
            methods.remove_file(key_path)

        # --- get serial ---
        ssh = Global.SSHClient('172.18.0.1', 22, 'server', 'server')
        serial = ssh.run_command("cat /sys/firmware/devicetree/base/serial-number").strip('\x00')

        # --- generate salt ---
        salt = methods.now_ts()
        salt = methods.reverse(str(salt))
        salt = 0

        # --- generate key ---
        keys = methods.text_to_b64(f"{serial}|{salt}")

        # --- storage env_key ---
        methods.run_command(f"echo \"{keys}\" > {key_path}", callback=True)
        return dict(code=0, data=keys)

    @classmethod
    def verify_key(cls, **params):
        """
        验证key
        """
        # --- check ---
        if not methods.is_file('/home/server/key'):
            return dict(code=1, is_verified=False)

        # --- get key ---
        keys = methods.read_text('/home/server/key')
        keys = methods.b64_to_text(keys)

        # --- check again ---
        if not keys:
            return dict(code=2, is_verified=False)
        if len(keys.split('|')) != 2:
            return dict(code=3, is_verified=False)
        serial_1, _ = keys.split('|')

        # --- check again ---
        ssh = Global.SSHClient('172.18.0.1', 22, 'server', 'server')
        serial_2 = ssh.run_command("cat /sys/firmware/devicetree/base/serial-number").strip('\x00')
        if serial_1 != serial_2:
            return dict(code=4, is_verified=False)

        return dict(code=0, is_verified=True)