Abstracted the Template container fetcher to a nodelist_crawler which takes a callbac...

[philo.git] / validators.py

diff --git a/validators.py b/validators.py
index 106db8b..54ab3b1 100644 (file)
--- a/validators.py
+++ b/validators.py
@@ -1,15 +1,17 @@
 from django.utils.translation import ugettext_lazy as _
 from django.core.validators import RegexValidator
 from django.core.exceptions import ValidationError
+from django.template import Template, Parser, Lexer, TOKEN_BLOCK, TOKEN_VAR
 from django.utils import simplejson as json
 import re
+from philo.utils import LOADED_TEMPLATE_ATTR
 
 
-LOADED_TEMPLATE_ATTR = '_philo_loaded_template'
 INSECURE_TAGS = (
        'load',
        'extends',
        'include',
+       'debug',
 )
 
 
@@ -47,9 +49,6 @@ def json_validator(value):
                raise ValidationError(u'\'%s\' is not valid JSON' % value)
 
 
-from django.template import Template, Parser, Lexer, TOKEN_BLOCK
-
-
 class TemplateValidationParser(Parser):
        def __init__(self, tokens, allow=None, disallow=None, secure=True):
                super(TemplateValidationParser, self).__init__(tokens)
@@ -59,7 +58,7 @@ class TemplateValidationParser(Parser):
                if secure:
                        disallow |= set(INSECURE_TAGS)
                
-               self.allow, self.disallow = allow, disallow
+               self.allow, self.disallow, self.secure = allow, disallow, secure
        
        def parse(self, parse_until=None):
                if parse_until is None:
@@ -112,7 +111,9 @@ class TemplateValidationParser(Parser):
                return nodelist
        
        def disallowed_tag(self, command):
-               raise ValidationError("Tag not allowed: %s" % command)
+               if self.secure and command in INSECURE_TAGS:
+                       raise ValidationError('Tag "%s" is not permitted for security reasons.' % command)
+               raise ValidationError('Tag "%s" is not permitted here.' % command)
 
 
 class TemplateValidator(object):