mirror of
https://github.com/DarrenOfficial/dpaste.git
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133 lines
4.3 KiB
Python
133 lines
4.3 KiB
Python
from __future__ import unicode_literals
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import datetime
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from django import forms
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from django.conf import settings
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from django.utils.translation import ugettext_lazy as _
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from .highlight import LEXER_DEFAULT, LEXER_KEYS, LEXER_LIST
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from .models import Snippet
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EXPIRE_CHOICES = getattr(settings, 'DPASTE_EXPIRE_CHOICES', (
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('onetime', _('One-Time snippet')),
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(3600, _('In one hour')),
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(3600 * 24 * 7, _('In one week')),
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(3600 * 24 * 30, _('In one month')),
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('never', _('Never')),
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))
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EXPIRE_DEFAULT = getattr(settings, 'DPASTE_EXPIRE_DEFAULT', 3600)
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MAX_CONTENT_LENGTH = getattr(settings, 'DPASTE_MAX_CONTENT_LENGTH', 250*1024*1024)
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def get_expire_values(expires):
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if expires == u'never':
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expire_type = Snippet.EXPIRE_KEEP
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expires = None
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elif expires == u'onetime':
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expire_type = Snippet.EXPIRE_ONETIME
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expires = None
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else:
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expire_type = Snippet.EXPIRE_TIME
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expires = expires and expires or EXPIRE_DEFAULT
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expires = datetime.datetime.now() + datetime.timedelta(seconds=int(expires))
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return expires, expire_type
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class SnippetForm(forms.ModelForm):
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content = forms.CharField(
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label=_('Content'),
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widget=forms.Textarea(attrs={'placeholder': _('Awesome code goes here...')}),
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max_length=MAX_CONTENT_LENGTH,
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strip=False
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)
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lexer = forms.ChoiceField(
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label=_('Lexer'),
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initial=LEXER_DEFAULT,
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choices=LEXER_LIST
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)
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expires = forms.ChoiceField(
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label=_('Expires'),
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choices=EXPIRE_CHOICES,
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initial=EXPIRE_DEFAULT
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)
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# Honeypot field
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title = forms.CharField(
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label=_('Title'),
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required=False,
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widget=forms.TextInput(attrs={'autocomplete': 'off'})
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)
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class Meta:
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model = Snippet
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fields = (
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'content',
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'lexer',
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)
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def __init__(self, request, *args, **kwargs):
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super(SnippetForm, self).__init__(*args, **kwargs)
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self.request = request
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# Set the recently used lexer if we have any
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session_lexer = self.request.session.get('lexer')
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if session_lexer and session_lexer in LEXER_KEYS:
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self.fields['lexer'].initial = session_lexer
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# if the lexer is given via GET, set it
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if 'l' in request.GET and request.GET['l'] in LEXER_KEYS:
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self.fields['lexer'].initial = request.GET['l']
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def clean_content(self):
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content = self.cleaned_data.get('content', '')
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if content.strip() == '':
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raise forms.ValidationError(_('This field is required.'))
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return content
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def clean_expires(self):
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"""
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Extract the 'expire_type' from the choice of expire choices.
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"""
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expires = self.cleaned_data['expires']
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expires, expire_type = get_expire_values(expires)
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self.cleaned_data['expire_type'] = expire_type
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return expires
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def clean(self):
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"""
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The `title` field is a hidden honeypot field. If its filled,
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this is likely spam.
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"""
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if self.cleaned_data.get('title'):
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raise forms.ValidationError('This snippet was identified as Spam.')
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return self.cleaned_data
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def save(self, parent=None, *args, **kwargs):
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MAX_SNIPPETS_PER_USER = getattr(settings, 'DPASTE_MAX_SNIPPETS_PER_USER', 100)
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# Set parent snippet
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self.instance.parent = parent
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# Add expire datestamp. None indicates 'keep forever', use the default
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# null state of the db column for that.
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self.instance.expires = self.cleaned_data['expires']
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self.instance.expire_type = self.cleaned_data['expire_type']
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# Save snippet in the db
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super(SnippetForm, self).save(*args, **kwargs)
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# Add the snippet to the user session list
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if self.request.session.get('snippet_list', False):
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if len(self.request.session['snippet_list']) >= MAX_SNIPPETS_PER_USER:
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self.request.session['snippet_list'].pop(0)
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self.request.session['snippet_list'] += [self.instance.pk]
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else:
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self.request.session['snippet_list'] = [self.instance.pk]
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# Save the lexer in the session so we can use it later again
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self.request.session['lexer'] = self.cleaned_data['lexer']
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return self.instance
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