Added old abandoned KDE3 version of koffice

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/koffice@1077364 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 136 insertions, 0 deletions

diff --git a/lib/kross/python/scripts/RestrictedPython/Guards.py b/lib/kross/python/scripts/RestrictedPython/Guards.py
new file mode 100644
index 00000000..4fbdcad1
--- /dev/null
+++ b/lib/kross/python/scripts/RestrictedPython/Guards.py
@@ -0,0 +1,136 @@
+##############################################################################
+#
+# Copyright (c) 2001 Zope Corporation and Contributors. All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.0 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE
+#
+##############################################################################
+__version__ = '$Revision: 1.14 $'[11:-2]
+
+import exceptions
+
+# This tiny set of safe builtins is extended by users of the module.
+# AccessControl.ZopeGuards contains a large set of wrappers for builtins.
+# DocumentTemplate.DT_UTil contains a few.
+
+safe_builtins = {}
+
+for name in ['False', 'None', 'True', 'abs', 'basestring', 'bool', 'callable',
+             'chr', 'cmp', 'complex', 'divmod', 'float', 'hash',
+             'hex', 'id', 'int', 'isinstance', 'issubclass', 'len',
+             'long', 'oct', 'ord', 'pow', 'range', 'repr', 'round',
+             'str', 'tuple', 'unichr', 'unicode', 'xrange', 'zip']:
+
+    safe_builtins[name] = __builtins__[name]
+
+# Wrappers provided by this module:
+# delattr
+# setattr
+
+# Wrappers provided by ZopeGuards:
+# __import__
+# apply
+# dict
+# enumerate
+# filter
+# getattr
+# hasattr
+# iter
+# list
+# map
+# max
+# min
+# sum
+
+# Builtins that are intentionally disabled
+# compile   - don't let them produce new code
+# dir       - a general purpose introspector, probably hard to wrap
+# execfile  - no direct I/O
+# file      - no direct I/O
+# globals   - uncontrolled namespace access
+# input     - no direct I/O
+# locals    - uncontrolled namespace access
+# open      - no direct I/O
+# raw_input - no direct I/O
+# vars      - uncontrolled namespace access
+
+# There are several strings that describe Python.  I think there's no
+# point to including these, although they are obviously safe:
+# copyright, credits, exit, help, license, quit
+
+# Not provided anywhere.  Do something about these?  Several are
+# related to new-style classes, which we are too scared of to support
+# <0.3 wink>.  coerce, buffer, and reload are esoteric enough that no
+# one should care.
+
+# buffer
+# classmethod
+# coerce
+# eval
+# intern
+# object
+# property
+# reload
+# slice
+# staticmethod
+# super
+# type
+
+for name in dir(exceptions):
+    if name[0] != "_":
+        safe_builtins[name] = getattr(exceptions, name)
+
+def _write_wrapper():
+    # Construct the write wrapper class
+    def _handler(secattr, error_msg):
+        # Make a class method.
+        def handler(self, *args):
+            try:
+                f = getattr(self.ob, secattr)
+            except AttributeError:
+                raise TypeError, error_msg
+            f(*args)
+        return handler
+    class Wrapper:
+        def __len__(self):
+            # Required for slices with negative bounds.
+            return len(self.ob)
+        def __init__(self, ob):
+            self.__dict__['ob'] = ob
+        __setitem__ = _handler('__guarded_setitem__',
+          'object does not support item or slice assignment')
+        __delitem__ = _handler('__guarded_delitem__',
+          'object does not support item or slice assignment')
+        __setattr__ = _handler('__guarded_setattr__',
+          'attribute-less object (assign or del)')
+        __delattr__ = _handler('__guarded_delattr__',
+          'attribute-less object (assign or del)')
+    return Wrapper
+
+def _full_write_guard():
+    # Nested scope abuse!
+    # safetype and Wrapper variables are used by guard()
+    safetype = {dict: True, list: True}.has_key
+    Wrapper = _write_wrapper()
+    def guard(ob):
+        # Don't bother wrapping simple types, or objects that claim to
+        # handle their own write security.
+        if safetype(type(ob)) or hasattr(ob, '_guarded_writes'):
+            return ob
+        # Hand the object to the Wrapper instance, then return the instance.
+        return Wrapper(ob)
+    return guard
+full_write_guard = _full_write_guard()
+
+def guarded_setattr(object, name, value):
+    setattr(full_write_guard(object), name, value)
+safe_builtins['setattr'] = guarded_setattr
+
+def guarded_delattr(object, name):
+    delattr(full_write_guard(object), name)
+safe_builtins['delattr'] = guarded_delattr