我们从Python开源项目中，提取了以下44个代码示例，用于说明如何使用idna.encode()。
def _encode_params(data): """Encode parameters in a piece of data. Will successfully encode parameters when passed as a dict or a list of 2-tuples. Order is retained if data is a list of 2-tuples but arbitrary if parameters are supplied as a dict. """ if isinstance(data, (str, bytes)): return data elif hasattr(data, 'read'): return data elif hasattr(data, '__iter__'): result = [] for k, vs in to_key_val_list(data): if isinstance(vs, basestring) or not hasattr(vs, '__iter__'): vs = [vs] for v in vs: if v is not None: result.append( (k.encode('utf-8') if isinstance(k, str) else k, v.encode('utf-8') if isinstance(v, str) else v)) return urlencode(result, doseq=True) else: return data
def validate_hostname(hostname): hostname = hostname.rstrip('.') if not(1 <= len(hostname) <= 253): raise InvalidHostname for label in hostname.split('.'): if not(1 <= len(label) <= 63): raise InvalidHostname try: hostname.encode('ascii') except UnicodeEncodeError: hostname = encode_idna(hostname) if PY3: hostname = hostname.decode() return validate_hostname(hostname) return True
def _dnsname_to_stdlib(name): """ Converts a dNSName SubjectAlternativeName field to the form used by the standard library on the given Python version. Cryptography produces a dNSName as a unicode string that was idna-decoded from ASCII bytes. We need to idna-encode that string to get it back, and then on Python 3 we also need to convert to unicode via UTF-8 (the stdlib uses PyUnicode_FromStringAndSize on it, which decodes via UTF-8). """ def idna_encode(name): """ Borrowed wholesale from the Python Cryptography Project. It turns out that we can't just safely call `idna.encode`: it can explode for wildcard names. This avoids that problem. """ import idna for prefix in [u'*.', u'.']: if name.startswith(prefix): name = name[len(prefix):] return prefix.encode('ascii') + idna.encode(name) return idna.encode(name) name = idna_encode(name) if sys.version_info >= (3, 0): name = name.decode('utf-8') return name
def set_ciphers(self, ciphers): if isinstance(ciphers, six.text_type): ciphers = ciphers.encode('utf-8') self._ctx.set_cipher_list(ciphers)
def load_verify_locations(self, cafile=None, capath=None, cadata=None): if cafile is not None: cafile = cafile.encode('utf-8') if capath is not None: capath = capath.encode('utf-8') self._ctx.load_verify_locations(cafile, capath) if cadata is not None: self._ctx.load_verify_locations(BytesIO(cadata))
def wrap_socket(self, sock, server_side=False, do_handshake_on_connect=True, suppress_ragged_eofs=True, server_hostname=None): cnx = OpenSSL.SSL.Connection(self._ctx, sock) if isinstance(server_hostname, six.text_type): # Platform-specific: Python 3 server_hostname = server_hostname.encode('utf-8') if server_hostname is not None: cnx.set_tlsext_host_name(server_hostname) cnx.set_connect_state() while True: try: cnx.do_handshake() except OpenSSL.SSL.WantReadError: rd = util.wait_for_read(sock, sock.gettimeout()) if not rd: raise timeout('select timed out') continue except OpenSSL.SSL.Error as e: raise ssl.SSLError('bad handshake: %r' % e) break return WrappedSocket(cnx, sock)
def _get_idna_encoded_host(host): import idna try: host = idna.encode(host, uts46=True).decode('utf-8') except idna.IDNAError: raise UnicodeError return host
def _encode_asn1_utf8_str(backend, string): """ Create an ASN1_UTF8STRING from a Python unicode string. This object will be an ASN1_STRING with UTF8 type in OpenSSL and can be decoded with ASN1_STRING_to_UTF8. """ s = backend._lib.ASN1_UTF8STRING_new() res = backend._lib.ASN1_STRING_set( s, string.encode("utf8"), len(string.encode("utf8")) ) backend.openssl_assert(res == 1) return s
def _encode_name_entry(backend, attribute): value = attribute.value.encode('utf8') obj = _txt2obj_gc(backend, attribute.oid.dotted_string) if attribute.oid == NameOID.COUNTRY_NAME: # Per RFC5280 Appendix A.1 countryName should be encoded as # PrintableString, not UTF8String type = backend._lib.MBSTRING_ASC else: type = backend._lib.MBSTRING_UTF8 name_entry = backend._lib.X509_NAME_ENTRY_create_by_OBJ( backend._ffi.NULL, obj, type, value, -1 ) return name_entry
def _txt2obj(backend, name): """ Converts a Python string with an ASN.1 object ID in dotted form to a ASN1_OBJECT. """ name = name.encode('ascii') obj = backend._lib.OBJ_txt2obj(name, 1) backend.openssl_assert(obj != backend._ffi.NULL) return obj
