示例#1
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文件: views.py 项目: er34/Yellers
def registration(request):
	cletters = random.choice(ascii_lowercase) + random.choice(ascii_lowercase) + random.choice(ascii_lowercase) + random.choice(ascii_lowercase)
	ckey = str(random.SystemRandom().randrange(0, 18446744073709551616L)) + str(time.time())
	key_ = unicodedata.normalize('NFKD', ckey + unicode(cletters.upper())).encode('ascii', 'ignore') + unicodedata.normalize('NFKD', unicode(cletters)).encode('ascii', 'ignore')
	key = hashlib.sha1(key_).hexdigest()
	print key
	print cletters
	cptmod = Captcha()
	cptmod.hash = key
	cptmod.code = cletters
	cptmod.save()
	c = { 'key' : key,
		'form': RegistrationForm, }
	return render(request, 'registration.html', c)
示例#2
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    def render(self, name, value, attrs=None):
        captcha = Captcha()

        raw_html = u'<input type="text" name="%s" />' % name
        raw_html = u'%s \r\n %s' % (
            raw_html, u'<img class="captcha" src="%s" />' % captcha.url)

        return mark_safe(raw_html)
示例#3
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文件: forms.py 项目: shula/citytree
    def __init__(self, *args, **kwargs):
        super(CaptchaForm, self).__init__(*args, **kwargs)

        # The super.__init__ call does not actually set the data or initial
        # onto the fields/widgets, so we just need the captcha_id field and
        # widget to exist before self.get_captcha() is called
        self.fields['captcha_id'] = forms.IntegerField()
        self.fields['captcha_id'].widget = forms.HiddenInput()
        
        if not self.is_bound:
            # New form, new captcha
            c = Captcha(text=get_string())
            c.save()
            # Ensure that the hidden field is properly populated
            self.initial['captcha_id'] = c.id
        else:
            c = self.get_captcha()

        self.fields['captcha'] = CaptchaField(label="Turing test", captcha=c)
示例#4
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文件: forms.py 项目: shula/citytree
    def get_captcha(self):
        # Somewhat hacky, but best way I had to get the captcha id
        f = self.fields['captcha_id']
        w = f.widget
        
        #value = w.value_from_datadict(self.data, None, self.add_prefix('captcha_id'))
        #make it work in 0.96, where value_from_datadict() have 2 arguments
        value = w.value_from_datadict(self.data, self.add_prefix('captcha_id'))
        
        captcha_id = f.clean(value)

        try:
            # Always clean expired captchas before getting one for validation
            Captcha.clean_expired()
            return Captcha.objects.get(pk=captcha_id)
        except Captcha.DoesNotExist:
            # The original captcha expired, make a new one for revalidation
            c = Captcha(id=captcha_id,text=get_string())
            c.save()
            return c