Ticket #9958: 9958_2.diff

File 9958_2.diff, 8.0 KB (added by Thejaswi Puthraya, 17 years ago)

a patch that hopefully solves arne's and my problem

  • django/contrib/comments/forms.py 

    diff --git a/django/contrib/comments/forms.py b/django/contrib/comments/forms.py
index 713269f..40cc24b 100644
    a b from django.utils.translation import ungettext, ugettext_lazy as _  
    1515
    1616COMMENT_MAX_LENGTH = getattr(settings,'COMMENT_MAX_LENGTH', 3000)
    1717
    18 class CommentForm(forms.Form):
    19     name          = forms.CharField(label=_("Name"), max_length=50)
    20     email         = forms.EmailField(label=_("Email address"))
    21     url           = forms.URLField(label=_("URL"), required=False)
    22     comment       = forms.CharField(label=_('Comment'), widget=forms.Textarea,
    23                                     max_length=COMMENT_MAX_LENGTH)
    24     honeypot      = forms.CharField(required=False,
    25                                     label=_('If you enter anything in this field '\
    26                                             'your comment will be treated as spam'))
     18class BaseCommentForm(forms.Form):
    2719    content_type  = forms.CharField(widget=forms.HiddenInput)
    2820    object_pk     = forms.CharField(widget=forms.HiddenInput)
    2921    timestamp     = forms.IntegerField(widget=forms.HiddenInput)
    3022    security_hash = forms.CharField(min_length=40, max_length=40, widget=forms.HiddenInput)
    31 
     23   
    3224    def __init__(self, target_object, data=None, initial=None):
    3325        self.target_object = target_object
    3426        if initial is None:
    3527            initial = {}
    3628        initial.update(self.generate_security_data())
    37         super(CommentForm, self).__init__(data=data, initial=initial)
     29        super(BaseCommentForm, self).__init__(data=data, initial=initial)
     30
     31    def generate_security_data(self):
     32        """Generate a dict of security data for "initial" data."""
     33        timestamp = int(time.time())
     34        security_dict =   {
     35            'content_type'  : str(self.target_object._meta),
     36            'object_pk'     : str(self.target_object._get_pk_val()),
     37            'timestamp'     : str(timestamp),
     38            'security_hash' : self.initial_security_hash(timestamp),
     39        }
     40        return security_dict
     41
     42    def initial_security_hash(self, timestamp):
     43        """
     44        Generate the initial security hash from self.content_object
     45        and a (unix) timestamp.
     46        """
     47
     48        initial_security_dict = {
     49            'content_type' : str(self.target_object._meta),
     50            'object_pk' : str(self.target_object._get_pk_val()),
     51            'timestamp' : str(timestamp),
     52          }
     53        return self.generate_security_hash(**initial_security_dict)
     54
     55    def generate_security_hash(self, content_type, object_pk, timestamp):
     56        """Generate a (SHA1) security hash from the provided info."""
     57        info = (content_type, object_pk, timestamp, settings.SECRET_KEY)
     58        return sha_constructor("".join(info)).hexdigest()
     59
     60    def security_errors(self):
     61        """Return just those errors associated with security"""
     62        errors = ErrorDict()
     63        for f in ["timestamp", "security_hash"]:
     64            if f in self.errors:
     65                errors[f] = self.errors[f]
     66        return errors
     67
     68    def clean_security_hash(self):
     69        """Check the security hash."""
     70        security_hash_dict = {
     71            'content_type' : self.data.get("content_type", ""),
     72            'object_pk' : self.data.get("object_pk", ""),
     73            'timestamp' : self.data.get("timestamp", ""),
     74        }
     75        expected_hash = self.generate_security_hash(**security_hash_dict)
     76        actual_hash = self.cleaned_data["security_hash"]
     77        if expected_hash != actual_hash:
     78            raise forms.ValidationError("Security hash check failed.")
     79        return actual_hash
     80
     81    def clean_timestamp(self):
     82        """Make sure the timestamp isn't too far (> 2 hours) in the past."""
     83        ts = self.cleaned_data["timestamp"]
     84        if time.time() - ts > (2 * 60 * 60):
     85            raise forms.ValidationError("Timestamp check failed")
     86        return ts
     87
     88class MetaCommentForm(BaseCommentForm):
     89    name          = forms.CharField(label=_("Name"), max_length=50)
     90    email         = forms.EmailField(label=_("Email address"))
     91    url           = forms.URLField(label=_("URL"), required=False)
     92    comment       = forms.CharField(label=_('Comment'), widget=forms.Textarea,
     93                                    max_length=COMMENT_MAX_LENGTH)
    3894
    3995    def get_comment_object(self):
    4096        """
    … … class CommentForm(forms.Form):  
    76132
    77133        return new
    78134
    79     def security_errors(self):
    80         """Return just those errors associated with security"""
    81         errors = ErrorDict()
    82         for f in ["honeypot", "timestamp", "security_hash"]:
    83             if f in self.errors:
    84                 errors[f] = self.errors[f]
    85         return errors
    86 
    87     def clean_honeypot(self):
    88         """Check that nothing's been entered into the honeypot."""
    89         value = self.cleaned_data["honeypot"]
    90         if value:
    91             raise forms.ValidationError(self.fields["honeypot"].label)
    92         return value
    93 
    94     def clean_security_hash(self):
    95         """Check the security hash."""
    96         security_hash_dict = {
    97             'content_type' : self.data.get("content_type", ""),
    98             'object_pk' : self.data.get("object_pk", ""),
    99             'timestamp' : self.data.get("timestamp", ""),
    100         }
    101         expected_hash = self.generate_security_hash(**security_hash_dict)
    102         actual_hash = self.cleaned_data["security_hash"]
    103         if expected_hash != actual_hash:
    104             raise forms.ValidationError("Security hash check failed.")
    105         return actual_hash
    106 
    107     def clean_timestamp(self):
    108         """Make sure the timestamp isn't too far (> 2 hours) in the past."""
    109         ts = self.cleaned_data["timestamp"]
    110         if time.time() - ts > (2 * 60 * 60):
    111             raise forms.ValidationError("Timestamp check failed")
    112         return ts
    113 
    114135    def clean_comment(self):
    115136        """
    116137        If COMMENTS_ALLOW_PROFANITIES is False, check that the comment doesn't
    … … class CommentForm(forms.Form):  
    127148                    get_text_list(['"%s%s%s"' % (i[0], '-'*(len(i)-2), i[-1]) for i in bad_words], 'and'))
    128149        return comment
    129150
    130     def generate_security_data(self):
    131         """Generate a dict of security data for "initial" data."""
    132         timestamp = int(time.time())
    133         security_dict =   {
    134             'content_type'  : str(self.target_object._meta),
    135             'object_pk'     : str(self.target_object._get_pk_val()),
    136             'timestamp'     : str(timestamp),
    137             'security_hash' : self.initial_security_hash(timestamp),
    138         }
    139         return security_dict
    140151
    141     def initial_security_hash(self, timestamp):
    142         """
    143         Generate the initial security hash from self.content_object
    144         and a (unix) timestamp.
    145         """
     152class CommentForm(MetaCommentForm):
     153    honeypot      = forms.CharField(required=False,
     154                                    label=_('If you enter anything in this field '
     155                                            'your comment will be treated as spam'))
    146156
    147         initial_security_dict = {
    148             'content_type' : str(self.target_object._meta),
    149             'object_pk' : str(self.target_object._get_pk_val()),
    150             'timestamp' : str(timestamp),
    151           }
    152         return self.generate_security_hash(**initial_security_dict)
     157    def security_errors(self):
     158        errors = super(CommentForm, self).security_errors()
     159        if 'honeypot' in self.errors:
     160            errors['honeypot'] = self.errors['honeypot']
     161        return errors
     162
     163    def clean_honeypot(self):
     164        """Check that nothing's been entered into the honeypot."""
     165        value = self.cleaned_data["honeypot"]
     166        if value:
     167            raise forms.ValidationError(self.fields["honeypot"].label)
     168        return value
    153169
    154     def generate_security_hash(self, content_type, object_pk, timestamp):
    155         """Generate a (SHA1) security hash from the provided info."""
    156         info = (content_type, object_pk, timestamp, settings.SECRET_KEY)
    157         return sha_constructor("".join(info)).hexdigest()
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