Clean up (Re)Captcha code. Register Captcha field/validator only if a package is installed that provides the "plone.app.discussion-captcha" feature (currently plone.formwidget.captcha and plone.formwidget.recaptcha trunk only).
svn path=/plone.app.discussion/trunk/; revision=36877
This commit is contained in:
Timo Stollenwerk
parent
e16b15708b
commit
2e0b52889d
@ -25,69 +25,45 @@ from plone.app.discussion.interfaces import IDiscussionSettings, ICaptcha
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from plone.app.discussion.browser.validator import CaptchaValidator
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HAS_CAPTCHA = False
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try:
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from plone.formwidget.captcha import CaptchaFieldWidget
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HAS_CAPTCHA = True
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except ImportError:
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pass
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HAS_RECAPTCHA = False
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try:
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from plone.formwidget.recaptcha import ReCaptchaFieldWidget
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HAS_RECAPTCHA = True
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except ImportError:
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pass
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class Captcha(Persistent):
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"""Captcha input field.
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"""
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interface.implements(ICaptcha)
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adapts(Comment)
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captcha = u""
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Captcha = factory(Captcha)
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if HAS_CAPTCHA or HAS_RECAPTCHA:
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# Extend the comment form with captcha, if a captcha solution is installed.
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class CaptchaExtender(extensible.FormExtender):
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adapts(Interface, IDefaultBrowserLayer, CommentForm) # context, request, form
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fields = Fields(ICaptcha)
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class CaptchaExtender(extensible.FormExtender):
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"""Extends the comment form with a Captcha. This Captcha extender is only
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registered when a plugin is installed that provides the
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"plone.app.discussion-captcha" feature.
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"""
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adapts(Interface, IDefaultBrowserLayer, CommentForm) # context, request, form
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def __init__(self, context, request, form):
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self.context = context
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self.request = request
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self.form = form
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fields = Fields(ICaptcha)
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registry = queryUtility(IRegistry)
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settings = registry.forInterface(IDiscussionSettings)
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self.captcha = settings.captcha
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portal_membership = getToolByName(self.context, 'portal_membership')
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self.isAnon = portal_membership.isAnonymousUser()
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def __init__(self, context, request, form):
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self.context = context
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self.request = request
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self.form = form
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def update(self):
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if self.captcha != 'disabled' and self.isAnon:
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# Add captcha field if captcha is enabled in the registry
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self.add(ICaptcha, prefix="")
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if HAS_CAPTCHA and self.captcha == 'captcha':
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# If Captcha is installed and Captcha is enabled,
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# use the CaptchaFieldWidget
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self.form.fields['captcha'].widgetFactory = CaptchaFieldWidget
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elif HAS_RECAPTCHA and self.captcha == 'recaptcha':
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# If ReCaptcha is installed and ReCaptcha is enabled,
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# use the ReCaptchaFieldWidget
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self.form.fields['captcha'].widgetFactory = ReCaptchaFieldWidget
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registry = queryUtility(IRegistry)
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settings = registry.forInterface(IDiscussionSettings)
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self.captcha = settings.captcha
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portal_membership = getToolByName(self.context, 'portal_membership')
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self.isAnon = portal_membership.isAnonymousUser()
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# Register Captcha validator for the Captcha field in the ICaptcha Form
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validator.WidgetValidatorDiscriminators(CaptchaValidator, field=ICaptcha['captcha'])
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def update(self):
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if self.captcha != 'disabled' and self.isAnon:
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# Add a captcha field if captcha is enabled in the registry
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self.add(ICaptcha, prefix="")
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if self.captcha == 'captcha':
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from plone.formwidget.captcha import CaptchaFieldWidget
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self.form.fields['captcha'].widgetFactory = CaptchaFieldWidget
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elif self.captcha == 'recaptcha':
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from plone.formwidget.recaptcha import ReCaptchaFieldWidget
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self.form.fields['captcha'].widgetFactory = ReCaptchaFieldWidget
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else:
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# This is necessary, otherwise the zcml registration of the CaptchaExtender
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# would fail if no captcha solution is installed.
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class CaptchaExtender(extensible.FormExtender):
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adapts(Interface, IDefaultBrowserLayer, CommentForm)
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def __init__(self, context, request, form):
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pass
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def update(self):
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pass
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@ -1,6 +1,7 @@
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<configure
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xmlns="http://namespaces.zope.org/zope"
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xmlns:browser="http://namespaces.zope.org/browser"
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xmlns:zcml="http://namespaces.zope.org/zcml"
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i18n_domain="plone.app.discussion">
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<include package="plone.app.registry" />
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@ -81,18 +82,23 @@
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/>
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<!-- Comment form extender -->
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<adapter
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factory=".captcha.Captcha"
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provides="plone.app.discussion.interfaces.ICaptcha" />
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<adapter
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factory=".captcha.CaptchaExtender"
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provides="plone.z3cform.fieldsets.interfaces.IFormExtender" />
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<!-- Captcha validator -->
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<adapter
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factory=".captcha.CaptchaValidator"
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/>
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<configure zcml:condition="have plone.app.discussion-captcha">
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<!--
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Register the Captcha form extender and validator only if there are
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plugins installed that declare to implement a Captcha solution for
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plone.app.discussion (e.g. plone.formwidget.captcha and
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plone.formwidget.recaptcha).
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-->
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<adapter
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factory=".captcha.Captcha"
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provides="plone.app.discussion.interfaces.ICaptcha" />
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<adapter
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factory=".captcha.CaptchaExtender"
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provides="plone.z3cform.fieldsets.interfaces.IFormExtender" />
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<adapter
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factory=".captcha.CaptchaValidator"
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/>
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</configure>
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<!-- Comment view -->
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<browser:view
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@ -1,8 +1,4 @@
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# Captcha/ReCaptcha validators. We override the standard validators from
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# plone.formwidget.captcha and plone.formwidget.recaptcha, in order to
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# switch between the two. This is necessary, because the zcml registration
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# of the CaptchaValidator has to be there, no matter which captcha solution
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# is installed, or even when no captcha solution is installed.
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# -*- coding: utf-8 -*-
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from Acquisition import aq_inner
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@ -14,25 +10,24 @@ from zope.component import getMultiAdapter, provideAdapter, queryUtility
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from zope.schema import ValidationError
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from zope.interface import implements, Interface
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from zope.schema.interfaces import IField
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from zope.component import adapts
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from plone.registry.interfaces import IRegistry
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from plone.app.discussion.interfaces import IDiscussionSettings, IDiscussionLayer, MessageFactory as _
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from zope.interface import implements, Interface
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from zope.schema.interfaces import IField
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from zope.component import adapts
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from plone.app.discussion.interfaces import ICaptcha
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from plone.app.discussion.interfaces import IDiscussionSettings
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from plone.app.discussion.interfaces import IDiscussionLayer
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from plone.app.discussion.interfaces import MessageFactory as _
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try:
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from plone.formwidget.captcha import CaptchaMessageFactory as _
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class WrongCaptchaCode(ValidationError):
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__doc__ = _("""The code you entered was wrong, please enter the new one.""")
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from plone.formwidget.captcha.validator import WrongCaptchaCode
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except:
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pass
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try:
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from plone.formwidget.recaptcha import ReCaptchaMessageFactory as _
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class WrongReCaptchaCode(ValidationError):
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__doc__ = _("""The code you entered was wrong, please enter the new one.""")
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from plone.formwidget.recaptcha.validator import WrongCaptchaCode
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except:
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pass
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@ -40,6 +35,7 @@ from zope.interface import implements, Interface
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from zope.schema.interfaces import IField
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from zope.component import adapts
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class CaptchaValidator(validator.SimpleFieldValidator):
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implements(IValidator)
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adapts(Interface,IDiscussionLayer,Interface,IField,Interface)
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@ -53,7 +49,8 @@ class CaptchaValidator(validator.SimpleFieldValidator):
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if settings.captcha == 'captcha':
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# Fetch captcha view
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captcha = getMultiAdapter((aq_inner(self.context), self.request), name='captcha')
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captcha = getMultiAdapter((aq_inner(self.context), self.request),
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name='captcha')
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if value:
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if not captcha.verify(value):
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raise WrongCaptchaCode
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@ -61,9 +58,14 @@ class CaptchaValidator(validator.SimpleFieldValidator):
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return True
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raise WrongCaptchaCode
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elif settings.captcha == 'recaptcha':
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# Fetch recatpcha view
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captcha = getMultiAdapter((aq_inner(self.context), self.request), name='recaptcha')
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# Fetch recaptcha view
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captcha = getMultiAdapter((aq_inner(self.context), self.request),
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name='recaptcha')
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if not captcha.verify():
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raise WrongReCaptchaCode
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raise WrongCaptchaCode
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else:
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return True
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# Register Captcha validator for the Captcha field in the ICaptcha Form
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validator.WidgetValidatorDiscriminators(CaptchaValidator,
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field=ICaptcha['captcha'])
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