Added support for spam checks.

pastebin/apps/dpaste/admin.py

@@ -1,4 +1,4 @@
-from pastebin.apps.dpaste.models import Snippet
+from pastebin.apps.dpaste.models import Snippet, Spamword
 from django.contrib import admin
 
 class SnippetAdmin(admin.ModelAdmin):
@@ -11,3 +11,4 @@ class SnippetAdmin(admin.ModelAdmin):
     )
 
 admin.site.register(Snippet, SnippetAdmin)
+admin.site.register(Spamword)

pastebin/apps/dpaste/forms.py

@@ -1,7 +1,7 @@
 from django import forms
 from django.conf import settings
 from django.utils.translation import ugettext_lazy as _
-from pastebin.apps.dpaste.models import Snippet
+from pastebin.apps.dpaste.models import Snippet, Spamword
 from pastebin.apps.dpaste.highlight import LEXER_LIST_ALL, LEXER_LIST, LEXER_DEFAULT
 import datetime
 
@@ -47,6 +47,14 @@ class SnippetForm(forms.ModelForm):
         except KeyError:
             pass
         
+    def clean_content(self):
+        content = self.cleaned_data.get('content')
+        if content:
+            regex = Spamword.objects.get_regex()
+            if regex.findall(content):
+                raise forms.ValidationError('This snippet was identified as SPAM.')
+        return content
+        
     def save(self, parent=None, *args, **kwargs):
 
         # Set parent snippet

pastebin/apps/dpaste/models.py

@@ -2,6 +2,7 @@ import datetime
 import difflib
 import random
 import mptt
+import re
 from django.db import models
 from django.db.models import permalink
 from django.utils.translation import ugettext_lazy as _
@@ -46,3 +47,16 @@ class Snippet(models.Model):
         return '%s' % self.secret_id
 
 mptt.register(Snippet, order_insertion_by=['content'])
+
+
+class SpamwordManager(models.Manager):
+    def get_regex(self):
+        return re.compile(r'|'.join((i[1] for i in self.values_list())),
+            re.MULTILINE)
+
+class Spamword(models.Model):
+    word = models.CharField(max_length=100)
+    objects = SpamwordManager()
+    
+    def __unicode__(self):
+        return self.word