Method fromstring

certbot/src/certbot/_internal/plugins/nginx/obj.py:56–112

Initialize Addr from string. :param str str_addr: nginx address string :returns: parsed nginx address :rtype: Addr :raises SocketAddrError: if a UNIX-domain socket address is given

(cls, str_addr: str)

    @classmethod
    def fromstring(cls, str_addr: str) -> "Addr":
        """Initialize Addr from string.

        :param str str_addr: nginx address string
        :returns: parsed nginx address
        :rtype: Addr
        :raises SocketAddrError: if a UNIX-domain socket address is given

        """
        parts = str_addr.split(' ')
        ssl = False
        default = False
        ipv6 = False
        ipv6only = False
        host = ''
        port = ''

        # The first part must be the address
        addr = parts.pop(0)

        # Raise for UNIX-domain sockets
        if addr.startswith('unix:'):
            raise SocketAddrError(f'encountered UNIX-domain socket address {str_addr}')

        # IPv6 check
        ipv6_match = re.match(r'\[.*\]', addr)
        if ipv6_match:
            ipv6 = True
            # IPv6 handling
            host = ipv6_match.group()
            # The rest of the addr string will be the port, if any
            port = addr[ipv6_match.end()+1:]
        else:
            # IPv4 handling
            tup = addr.partition(':')
            if re.match(r'^\d+$', tup[0]):
                # This is a bare port, not a hostname. E.g. listen 80
                host = ''
                port = tup[0]
            else:
                # This is a host-port tuple. E.g. listen 127.0.0.1:*
                host = tup[0]
                port = tup[2]

        # The rest of the parts are options; we only care about ssl and default
        while parts:
            nextpart = parts.pop()
            if nextpart == 'ssl':
                ssl = True
            elif nextpart == 'default_server':
                default = True
            elif nextpart == 'default':
                default = True
            elif nextpart == "ipv6only=on":
                ipv6only = True

        return cls(host, port, ssl, default, ipv6, ipv6only)