Python _internal._encode_idna方法代码示例

# 需要导入模块: from werkzeug import _internal [as 别名]
# 或者: from werkzeug._internal import _encode_idna [as 别名]
def host_is_trusted(hostname, trusted_list):
    """Checks if a host is trusted against a list.  This also takes care
    of port normalization.

    .. versionadded:: 0.9

    :param hostname: the hostname to check
    :param trusted_list: a list of hostnames to check against.  If a
                         hostname starts with a dot it will match against
                         all subdomains as well.
    """
    if not hostname:
        return False

    if isinstance(trusted_list, string_types):
        trusted_list = [trusted_list]

    def _normalize(hostname):
        if ':' in hostname:
            hostname = hostname.rsplit(':', 1)[0]
        return _encode_idna(hostname)

    try:
        hostname = _normalize(hostname)
    except UnicodeError:
        return False
    for ref in trusted_list:
        if ref.startswith('.'):
            ref = ref[1:]
            suffix_match = True
        else:
            suffix_match = False
        try:
            ref = _normalize(ref)
        except UnicodeError:
            return False
        if ref == hostname:
            return True
        if suffix_match and hostname.endswith('.' + ref):
            return True
    return False 

# 需要导入模块: from werkzeug import _internal [as 别名]
# 或者: from werkzeug._internal import _encode_idna [as 别名]
def ascii_host(self):
        """Works exactly like :attr:`host` but will return a result that
        is restricted to ASCII.  If it finds a netloc that is not ASCII
        it will attempt to idna decode it.  This is useful for socket
        operations when the URL might include internationalized characters.
        """
        rv = self.host
        if rv is not None and isinstance(rv, text_type):
            try:
                rv = _encode_idna(rv)
            except UnicodeError:
                rv = rv.encode('ascii', 'ignore')
        return to_native(rv, 'ascii', 'ignore') 

# 需要导入模块: from werkzeug import _internal [as 别名]
# 或者: from werkzeug._internal import _encode_idna [as 别名]
def bind(self, server_name, script_name=None, subdomain=None,
             url_scheme='http', default_method='GET', path_info=None,
             query_args=None):
        """Return a new :class:`MapAdapter` with the details specified to the
        call.  Note that `script_name` will default to ``'/'`` if not further
        specified or `None`.  The `server_name` at least is a requirement
        because the HTTP RFC requires absolute URLs for redirects and so all
        redirect exceptions raised by Werkzeug will contain the full canonical
        URL.

        If no path_info is passed to :meth:`match` it will use the default path
        info passed to bind.  While this doesn't really make sense for
        manual bind calls, it's useful if you bind a map to a WSGI
        environment which already contains the path info.

        `subdomain` will default to the `default_subdomain` for this map if
        no defined. If there is no `default_subdomain` you cannot use the
        subdomain feature.

        .. versionadded:: 0.7
           `query_args` added

        .. versionadded:: 0.8
           `query_args` can now also be a string.
        """
        server_name = server_name.lower()
        if self.host_matching:
            if subdomain is not None:
                raise RuntimeError('host matching enabled and a '
                                   'subdomain was provided')
        elif subdomain is None:
            subdomain = self.default_subdomain
        if script_name is None:
            script_name = '/'
        try:
            server_name = _encode_idna(server_name)
        except UnicodeError:
            raise BadHost()
        return MapAdapter(self, server_name, script_name, subdomain,
                          url_scheme, path_info, default_method, query_args) 

# 需要导入模块: from werkzeug import _internal [as 别名]
# 或者: from werkzeug._internal import _encode_idna [as 别名]
def host_is_trusted(hostname, trusted_list):
    """Checks if a host is trusted against a list.  This also takes care
    of port normalization.

    .. versionadded:: 0.9

    :param hostname: the hostname to check
    :param trusted_list: a list of hostnames to check against.  If a
                         hostname starts with a dot it will match against
                         all subdomains as well.
    """
    if not hostname:
        return False

    if isinstance(trusted_list, string_types):
        trusted_list = [trusted_list]

    def _normalize(hostname):
        if ':' in hostname:
            hostname = hostname.rsplit(':', 1)[0]
        return _encode_idna(hostname)

    try:
        hostname = _normalize(hostname)
    except UnicodeError:
        return False
    for ref in trusted_list:
        if ref.startswith('.'):
            ref = ref[1:]
            suffix_match = True
        else:
            suffix_match = False
        try:
            ref = _normalize(ref)
        except UnicodeError:
            return False
        if ref == hostname:
            return True
        if suffix_match and hostname.endswith(b'.' + ref):
            return True
    return False 

# 需要导入模块: from werkzeug import _internal [as 别名]
# 或者: from werkzeug._internal import _encode_idna [as 别名]
def host_is_trusted(hostname, trusted_list):
    """Checks if a host is trusted against a list.  This also takes care
    of port normalization.

    .. versionadded:: 0.9

    :param hostname: the hostname to check
    :param trusted_list: a list of hostnames to check against.  If a
                         hostname starts with a dot it will match against
                         all subdomains as well.
    """
    if not hostname:
        return False

    if isinstance(trusted_list, string_types):
        trusted_list = [trusted_list]

    def _normalize(hostname):
        if ':' in hostname:
            hostname = hostname.rsplit(':', 1)[0]
        return _encode_idna(hostname)

    hostname = _normalize(hostname)
    for ref in trusted_list:
        if ref.startswith('.'):
            ref = ref[1:]
            suffix_match = True
        else:
            suffix_match = False
        ref = _normalize(ref)
        if ref == hostname:
            return True
        if suffix_match and hostname.endswith('.' + ref):
            return True
    return False 

# 需要导入模块: from werkzeug import _internal [as 别名]
# 或者: from werkzeug._internal import _encode_idna [as 别名]
def ascii_host(self):
        """Works exactly like :attr:`host` but will return a result that
        is restricted to ASCII.  If it finds a netloc that is not ASCII
        it will attempt to idna decode it.  This is useful for socket
        operations when the URL might include internationalized characters.
        """
        rv = self.host
        if rv is not None and isinstance(rv, text_type):
            rv = _encode_idna(rv)
        return to_native(rv, 'ascii', 'ignore') 

# 需要导入模块: from werkzeug import _internal [as 别名]
# 或者: from werkzeug._internal import _encode_idna [as 别名]
def bind(self, server_name, script_name=None, subdomain=None,
             url_scheme='http', default_method='GET', path_info=None,
             query_args=None):
        """Return a new :class:`MapAdapter` with the details specified to the
        call.  Note that `script_name` will default to ``'/'`` if not further
        specified or `None`.  The `server_name` at least is a requirement
        because the HTTP RFC requires absolute URLs for redirects and so all
        redirect exceptions raised by Werkzeug will contain the full canonical
        URL.

        If no path_info is passed to :meth:`match` it will use the default path
        info passed to bind.  While this doesn't really make sense for
        manual bind calls, it's useful if you bind a map to a WSGI
        environment which already contains the path info.

        `subdomain` will default to the `default_subdomain` for this map if
        no defined. If there is no `default_subdomain` you cannot use the
        subdomain feature.

        .. versionadded:: 0.7
           `query_args` added

        .. versionadded:: 0.8
           `query_args` can now also be a string.
        """
        server_name = server_name.lower()
        if self.host_matching:
            if subdomain is not None:
                raise RuntimeError('host matching enabled and a '
                                   'subdomain was provided')
        elif subdomain is None:
            subdomain = self.default_subdomain
        if script_name is None:
            script_name = '/'
        server_name = _encode_idna(server_name)
        return MapAdapter(self, server_name, script_name, subdomain,
                          url_scheme, path_info, default_method, query_args)