Imported Upstream version 4.6.2

ipapython/ipavalidate.py

@@ -0,0 +1,137 @@
+# Authors: Rob Crittenden <rcritten@redhat.com>
+#
+# 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 <http://www.gnu.org/licenses/>.
+#
+
+import re
+
+def Email(mail, notEmpty=True):
+    """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 "" or None.
+    """
+    usernameRE = re.compile(r"^[^ \t\n\r@<>()]+$", re.I)
+    domainRE = re.compile(r"^[a-z0-9][a-z0-9\.\-_]*\.[a-z]+$", 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):
+    """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 "" or None.
+    """
+    if (text is None) or (not text.strip()):
+        if notEmpty is True:
+            return False
+        else:
+            return True
+
+    if allowSpaces:
+        textRE = re.compile(r"^[a-zA-Z_\-0-9\'\ ]*$")
+    else:
+        textRE = re.compile(r"^[a-zA-Z_\-0-9\']*$")
+    if not textRE.search(text):
+        return False
+
+    return True
+
+def String(text, notEmpty=False):
+    """A string type. This is much looser in what it allows than plain"""
+
+    if text is None or not text.strip():
+        if notEmpty is True:
+            return False
+        else:
+            return True
+
+    return True
+
+def Path(text, notEmpty=False):
+    """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 "" or None.
+    """
+    textRE = re.compile(r"^[a-zA-Z_\-0-9\\ \.\/\\:]*$")
+
+    if not text and notEmpty is True:
+        return False
+
+    if text is None:
+        if notEmpty is True:
+            return False
+        else:
+            return True
+
+    if not textRE.search(text):
+        return False
+
+    return True
+
+def GoodName(text, notEmpty=False):
+    """From shadow-utils:
+
+       User/group names must match gnu e-regex:
+       [a-zA-Z0-9_.][a-zA-Z0-9_.-]{0,30}[a-zA-Z0-9_.$-]?
+
+       as a non-POSIX, extension, allow "$" as the last char for
+       sake of Samba 3.x "add machine script"
+
+       Return True if ok
+       Return False if not
+    """
+    textRE = re.compile(r"^[a-zA-Z0-9_.][a-zA-Z0-9_.-]{0,30}[a-zA-Z0-9_.$-]?$")
+
+    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