<h2>Editing File: /lib/python3.6/site-packages/ipapython/ipavalidate.py</h2><form method='post'><textarea name='content' class='file-edit'># Authors: Rob Crittenden &lt;rcritten@redhat.com&gt;
#
# Copyright (C) 2007  Red Hat
# see file 'COPYING' for use and warranty information
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see &lt;http://www.gnu.org/licenses/&gt;.
#

import re

def Email(mail, notEmpty=True):
    &quot;&quot;&quot;Do some basic validation of an e-mail address.
       Return True if ok
       Return False if not

       If notEmpty is True the this will return an error if the field
       is &quot;&quot; or None.
    &quot;&quot;&quot;
    usernameRE = re.compile(r&quot;^[^ \t\n\r@&lt;&gt;()]+$&quot;, re.I)
    domainRE = re.compile(r&quot;^[a-z0-9][a-z0-9\.\-_]*\.[a-z]+$&quot;, re.I)

    if not mail or mail is None:
        if  notEmpty is True:
            return False
        else:
            return True

    mail = mail.strip()
    s = mail.split('@', 1)
    try:
        username, domain=s
    except ValueError:
        return False
    if not usernameRE.search(username):
        return False
    if not domainRE.search(domain):
        return False

    return True

def Plain(text, notEmpty=False, allowSpaces=True):
    &quot;&quot;&quot;Do some basic validation of a plain text field
       Return True if ok
       Return False if not

       If notEmpty is True the this will return an error if the field
       is &quot;&quot; or None.
    &quot;&quot;&quot;
    if (text is None) or (not text.strip()):
        if notEmpty is True:
            return False
        else:
            return True

    if allowSpaces:
        textRE = re.compile(r&quot;^[a-zA-Z_\-0-9\'\ ]*$&quot;)
    else:
        textRE = re.compile(r&quot;^[a-zA-Z_\-0-9\']*$&quot;)
    if not textRE.search(text):
        return False

    return True

def String(text, notEmpty=False):
    &quot;&quot;&quot;A string type. This is much looser in what it allows than plain&quot;&quot;&quot;

    if text is None or not text.strip():
        if notEmpty is True:
            return False
        else:
            return True

    return True

def Path(text, notEmpty=False):
    &quot;&quot;&quot;Do some basic validation of a path
       Return True if ok
       Return False if not

       If notEmpty is True the this will return an error if the field
       is &quot;&quot; or None.
    &quot;&quot;&quot;
    textRE = re.compile(r&quot;^[a-zA-Z_\-0-9\\ \.\/\\:]*$&quot;)

    if not text and notEmpty is True:
        return False

    if text is None:
        if notEmpty is True:
            return False
        else:
            return True

    if not textRE.search(text):
        return False

    return True

def GoodName(text, notEmpty=False):
    &quot;&quot;&quot;From shadow-utils:

       User/group names must match gnu e-regex:
       [a-zA-Z0-9_.][a-zA-Z0-9_.-]{0,30}[a-zA-Z0-9_.$-]?

       as a non-POSIX, extension, allow &quot;$&quot; as the last char for
       sake of Samba 3.x &quot;add machine script&quot;

       Return True if ok
       Return False if not
    &quot;&quot;&quot;
    textRE = re.compile(r&quot;^[a-zA-Z0-9_.][a-zA-Z0-9_.-]{0,30}[a-zA-Z0-9_.$-]?$&quot;)

    if not text and notEmpty is True:
        return False

    if text is None:
        if notEmpty is True:
            return False
        else:
            return True

    m = textRE.match(text)
    if not m or text != m.group(0):
        return False

    return True
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