Projects tagged ‘captcha’

reCAPTCHA improves the process of digitizing books by sending words that cannot be read by computers to the Web in the form of CAPTCHAs for humans to decipher. More specifically, each word that cannot ... [More] be read correctly by OCR is placed on an image and used as a CAPTCHA. This is possible because most OCR programs alert you when a word cannot be read correctly. [Less]

Django Simple CaptchaAboutDjango Simple Captcha is an extremely simple, yet highly customizable Django application to add captcha images to any Django form. UsageSample view: from django ... [More] import forms from captcha.fields import CaptchaField from django.shortcuts import render_to_response class CaptchaTestForm(forms.Form): myfield = AnyOtherField() captcha = CaptchaField() """ # or, as a ModelForm: class CaptchaTestModelForm(forms.ModelForm): captcha = CaptchaField() class Meta: model = MyModel """ def home(request): if request.POST: form = CaptchaTestForm(request.POST) # Validate the form: the captcha field will automatically # check the input if form.is_valid(): human = True else: form = CaptchaTestForm() return render_to_response('base.html',locals()) FeaturesVery simple to setup and deploy, yet very configurable Can use custom challenges (e.g. random chars, simple maths, dictionary word, ...) Custom generators, noise and filter functions alter the look of the generated image Supports text-to-speech audio output of the challenge text, for improved accessibility RequirementsDjango 1.0+ A fairly recent version of the Python Imaging Library (PIL) compiled with FreeType support Flite is required for text-to-speech (audio) output, but not mandatory InstallationDownload the 'captcha' application and put it anywhere in your Python path Add 'captcha' to the INSTALLED_APPS in your settings.py Run manage.py syncdb to create the required database tables Add an entry to your urls.py: urlpatterns += patterns('', url(r'^captcha/', include('captcha.urls')), )ConfigurationSee CaptchaConfiguration for details on available configuration settings. GeneratorsSee CaptchaGenerators for a list of available challenge generator functions. .gadget-title { margin-bottom: 2px; } function resizeIframeHandler(opt_height) { var elem = document.getElementById(this.f); if (!elem) return; if (!opt_height) { elem.style.height = undefined; } else { opt_height = Math.max(10, opt_height); elem.style.height = opt_height + 'px'; } } gadgets.rpc.register("resize_iframe", resizeIframeHandler); gadgets.rpc.register('set_title', function(title) { var elem = document.getElementById(this.f + '_title'); if (elem) { elem.innerHTML = gadgets.util.escape(title); } }); [Less]

kaptcha is a modern version of the SimpleCaptcha project. By default it is very easy to setup and use and the default output produces a captcha that is hard to bust and similar to the ones produced by Yahoo.com.

Egglue Semantic CAPTCHA generates textual challenges to protect websites from automated spam. Unlike conventional CAPTCHA, all challenges require only basic intuitive/reasoning abilities to solve. ... [More] In the current Beta, visitors are presented with two meaningful sentences, each missing one verb. Visitors are asked to type in the missing verbs so that the sentences make intuitive sense. An example challenge is: Speakers can ______ sound. A correct answer is play. Other correct answers include amplify, produce, control and others, as intuition suggests. Visitors are free to type in any verb as long as the completed sentence makes intuitive sense and uses correct grammar. Egglue knows that there is no single solution to each challenge, so it tries to pass all intuitively relevant solutions. [Less]

Simple Captcha provides the captcha authentication functionality in rubyonrails application. Its really simple to implement, requires one line of code in view and one line of code in controller or ... [More] model and it provides the multiple image styles to be displayed. AKA simple_captcha rails plugin [Less]

TracRecaptchaPlugin is a Trac plugin that adds a CAPTCHA (from reCAPTCHA) to ticket forms.

This is a struts2 plugin for ease integrate captcha verify ability into struts2 application developmnet environment. Current the plugin support jcaptcha only Spring security is also supported when using it as web layer security manager

The Egglue CAPTCHA Drupal module uses the Egglue Semantic CAPTCHA web service to provide intuition-based CAPTCHA challenges for use with the Drupal CAPTCHA module. It provides a Drupal interface with ... [More] Egglue CAPTCHA. Egglue CAPTCHA generates CAPTCHA challenges requiring only basic intuitions about the world to prevent spam. Unlike conventional CAPTCHAs, visitors are free to use any words deemed fit. An interesting feature: The CAPTCHA verification mechanism tries to accept all intuitively relevant solutions, which makes Egglue CAPTCHA more flexible than image CAPTCHA and text-based CAPTCHA. CMS generates content. So for Drupal sites, CAPTCHA is an essential safety feature. The Egglue CAPTCHA Drupal module requires the Drupal CAPTCHA module version 6.x-1.0 (or higher [Less]

reCAPTCHA is an eZ Publish extension that allows the integration of the reCAPTCHA anti-spam CAPTCHA service in eZ publish content objects. The reCAPTCHA extension provides a reCAPTCHA datatype that ... [More] can be used in editing content and information collection. [Less]

PHP Class that generates images for CAPTCHA verification in forms.