def __init__(self, level="number", message=None, code=None):
self.level = level
if message is not None:
self.message = message
if code is not None:
self.code = code
if self.level == "number":
self.password_regex = lazy_re_compile(r"^\d{6}$",
flags=re.IGNORECASE)
elif self.level == "normal":
self.password_regex = lazy_re_compile(
r"^(?![0-9]+$)(?![a-zA-Z]+$)[0-9A-Za-z]{6,18}$",
flags=re.IGNORECASE)
elif self.level == "high":
re_str = r"^(?![0-9]+$)(?![a-z]+$)(?![A-Z]+$)(?!([^(0-9a-zA-Z)]|[\(\)])+$)" \
r"([^(0-9a-zA-Z)]|[\(\)]|[a-z]|[A-Z]|[0-9]){6,18}$"
self.password_regex = lazy_re_compile(re_str, flags=re.IGNORECASE)
def __init__(self,
regex=None,
message=None,
code=None,
inverse_match=None,
flags=None):
if regex is not None:
self.regex = regex
if message is not None:
self.message = message
if code is not None:
self.code = code
if inverse_match is not None:
self.inverse_match = inverse_match
if flags is not None:
self.flags = flags
if self.flags and not isinstance(self.regex, str):
raise TypeError(
"If the flags are set, regex must be a regular expression string."
)
self.regex = lazy_re_compile(self.regex, self.flags)
class PhoneValidator(object):
"""
手机号码检查
移动号段：
134 135 136 137 138 139 147 148 150 151 152 157 158 159 172 178 182 183 184 187 188 198
联通号段：
130 131 132 145 146 155 156 166 171 175 176 185 186
电信号段：
133 149 153 173 174 177 180 181 189 199
虚拟运营商:
170
2017-08-08：工信部新批号段：电信199/移动198/联通166 ，146联通，148移动
精准的匹配：^(13[0-9]|14[5-9]|15[0-9]|16[6]|17[0-8]|18[0-9]|19[8-9])\d{8}$
粗准匹配：^1(3|4|5|7|8|9)[0-9]{9}$
"""
message = _("Enter a valid phone number")
code = 'invalid'
phone_regex = lazy_re_compile(
r"^(13[0-9]|14[5-9]|15[0-9]|16[6]|17[0-8]|18[0-9]|19[8-9])\d{8}$",
flags=re.IGNORECASE)
def __init__(self, message=None, code=None):
if message is not None:
self.message = message
if code is not None:
self.code = code
def __call__(self, value):
value = force_text(value)
if not value or not value.isdigit():
raise ValidationError(self.message, code=self.code)
if not self.phone_regex.match(value):
raise ValidationError(self.message, code=self.code)
class URLValidator(RegexValidator):
ul = '\u00a1-\uffff' # unicode letters range (must be a unicode string, not a raw string)
# IP patterns
ipv4_re = r'(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)(?:\.(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}'
ipv6_re = r'\[[0-9a-f:\.]+\]' # (simple regex, validated later)
# Host patterns
hostname_re = r'[a-z' + ul + r'0-9](?:[a-z' + ul + r'0-9-]{0,61}[a-z' + ul + r'0-9])?'
# Max length for domain name labels is 63 characters per RFC 1034 sec. 3.1
domain_re = r'(?:\.(?!-)[a-z' + ul + r'0-9-]{1,63}(?<!-))*'
tld_re = (
r'\.' # dot
r'(?!-)' # can't start with a dash
r'(?:[a-z' + ul + '-]{2,63}' # domain label
r'|xn--[a-z0-9]{1,59})' # or punycode label
r'(?<!-)' # can't end with a dash
r'\.?' # may have a trailing dot
)
host_re = '(' + hostname_re + domain_re + tld_re + '|localhost)'
regex = lazy_re_compile(
r'^(?:[a-z0-9\.\-\+]*)://' # scheme is validated separately
r'(?:\S+(?::\S*)?@)?' # user:pass authentication
r'(?:' + ipv4_re + '|' + ipv6_re + '|' + host_re + ')'
r'(?::\d{2,5})?' # port
r'(?:[/?#][^\s]*)?' # resource path
r'\Z',
re.IGNORECASE)
message = _('Enter a valid URL')
schemes = ['http', 'https', 'ftp', 'ftps']
def __init__(self, schemes=None, **kwargs):
super(URLValidator, self).__init__(**kwargs)
if schemes is not None:
self.schemes = schemes
def __call__(self, value):
value = force_text(value)
# Check first if the scheme is valid
scheme = value.split('://')[0].lower()
if scheme not in self.schemes:
raise ValidationError(self.message, code=self.code)
# Then check full URL
try:
super(URLValidator, self).__call__(value)
except ValidationError as e:
# Trivial case failed. Try for possible IDN domain
if value:
try:
scheme, netloc, path, query, fragment = urlsplit(value)
except ValueError: # for example, "Invalid IPv6 URL"
raise ValidationError(self.message, code=self.code)
try:
netloc = netloc.encode('idna').decode(
'ascii') # IDN -> ACE
except UnicodeError: # invalid domain part
raise e
url = urlunsplit((scheme, netloc, path, query, fragment))
super(URLValidator, self).__call__(url)
else:
raise
else:
# Now verify IPv6 in the netloc part
host_match = re.search(r'^\[(.+)\](?::\d{2,5})?$',
urlsplit(value).netloc)
if host_match:
potential_ip = host_match.groups()[0]
if not IPAddressValidator.check_ipv6(potential_ip):
raise ValidationError(self.message, code=self.code)
# url = value
# The maximum length of a full host name is 253 characters per RFC 1034
# section 3.1. It's defined to be 255 bytes or less, but this includes
# one byte for the length of the name and one byte for the trailing dot
# that's used to indicate absolute names in DNS.
if len(urlsplit(value).netloc) > 253:
raise ValidationError(self.message, code=self.code)
class EmailValidator(object):
message = _('Enter a valid email address')
code = 'invalid'
user_regex = lazy_re_compile(
r"(^[-!#$%&'*+/=?^_`{}|~0-9A-Z]+(\.[-!#$%&'*+/=?^_`{}|~0-9A-Z]+)*\Z" # dot-atom
r'|^"([\001-\010\013\014\016-\037!#-\[\]-\177]|\\[\001-\011\013\014\016-\177])*"\Z)', # quoted-string
re.IGNORECASE)
domain_regex = lazy_re_compile(
# max length for domain name labels is 63 characters per RFC 1034
r'((?:[A-Z0-9](?:[A-Z0-9-]{0,61}[A-Z0-9])?\.)+)(?:[A-Z0-9-]{2,63}(?<!-))\Z',
re.IGNORECASE)
literal_regex = lazy_re_compile(
# literal form, ipv4 or ipv6 address (SMTP 4.1.3)
r'\[([A-f0-9:\.]+)\]\Z',
re.IGNORECASE)
domain_whitelist = ['localhost']
def __init__(self, message=None, code=None, whitelist=None):
if message is not None:
self.message = message
if code is not None:
self.code = code
if whitelist is not None:
self.domain_whitelist = whitelist
def __call__(self, value):
value = force_text(value)
if not value or '@' not in value:
raise ValidationError(self.message, code=self.code)
user_part, domain_part = value.rsplit('@', 1)
if not self.user_regex.match(user_part):
raise ValidationError(self.message, code=self.code)
if (domain_part not in self.domain_whitelist
and not self.validate_domain_part(domain_part)):
# Try for possible IDN domain-part
try:
domain_part = domain_part.encode('idna').decode('ascii')
if self.validate_domain_part(domain_part):
return
except UnicodeError:
pass
raise ValidationError(self.message, code=self.code)
def validate_domain_part(self, domain_part):
if self.domain_regex.match(domain_part):
return True
literal_match = self.literal_regex.match(domain_part)
if literal_match:
ip_address = literal_match.group(1)
return IPAddressValidator.check_ipv4(
ip_address) or IPAddressValidator.check_ipv6(ip_address)
return False
def __eq__(self, other):
return (isinstance(other, EmailValidator)
and (self.domain_whitelist == other.domain_whitelist)
and (self.message == other.message)
and (self.code == other.code))
potential_ip = host_match.groups()[0]
if not IPAddressValidator.check_ipv6(potential_ip):
raise ValidationError(self.message, code=self.code)
# url = value
# The maximum length of a full host name is 253 characters per RFC 1034
# section 3.1. It's defined to be 255 bytes or less, but this includes
# one byte for the length of the name and one byte for the trailing dot
# that's used to indicate absolute names in DNS.
if len(urlsplit(value).netloc) > 253:
raise ValidationError(self.message, code=self.code)
integer_validator = RegexValidator(
lazy_re_compile(r'^-?\d+\Z'),
message=_('Enter a valid integer'),
code='invalid',
)
def validate_integer(value):
return integer_validator(value)
class EmailValidator(object):
message = _('Enter a valid email address')
code = 'invalid'
user_regex = lazy_re_compile(
r"(^[-!#$%&'*+/=?^_`{}|~0-9A-Z]+(\.[-!#$%&'*+/=?^_`{}|~0-9A-Z]+)*\Z" # dot-atom
r'|^"([\001-\010\013\014\016-\037!#-\[\]-\177]|\\[\001-\011\013\014\016-\177])*"\Z)', # quoted-string
