Add mkdocs and change menu names to avoid margin collisions (#468)
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docs/guides/how-to-use-recaptcha-widget.md
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docs/guides/how-to-use-recaptcha-widget.md
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How to Use ReCaptcha Widget
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============================
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We have included a [Google ReCAPTCHA](https://developers.google.com/recaptcha) widget if you wish to use it instead of
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Yii's captcha. The widget is based on reCaptcha v2.0.
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To make use of the widget you need to:
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- [Signup for a reCaptcha API site key](https://www.google.com/recaptcha/admin#createsite)
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- Configure the `ReCaptchaComponent` on the `components` section of your application configuration
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- Override the Form class you wish to add the captcha rule to
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- Override the view where the form is rendering
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- Configure Module and Application
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Configuring the ReCaptchaComponent
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----------------------------------
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Once you have the API site key you will also be displayed a secret key. You have to configure the component as follows:
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```php
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'components' => [
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'recaptcha' => [ // *important* this name must be like this
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'class' => 'Da\User\Component\ReCaptchaComponent',
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'key' => 'yourSiteKey',
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'secret' => 'secretKeyGivenByGoogle
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]
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]
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```
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Override the Form
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-----------------
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For the sake of the example, we are going to override the `Da\User\Form\RecoveryForm` class. Create a new file `RecoveryForm`
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add it to @app/models/Forms/ and put the following in it:
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```
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<?php
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namespace app\models\Forms;
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use Da\User\Form\RecoveryForm as BaseForm;
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class RecoveryForm extends BaseForm {
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public $captcha;
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public function rules() {
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$rules = parent::rules();
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$rules[] = [['captcha'], 'required'];
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$rules[] = [['captcha'], 'Da\User\Validator\ReCaptchaValidator'];
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return $rules;
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}
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public function scenarios()
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{
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return [
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self::SCENARIO_REQUEST => ['email', 'captcha'],
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self::SCENARIO_RESET => ['password'],
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];
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}
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}
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```
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Overriding the View
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-------------------
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Create a new file and name it `request.php` and add it in `@app/views/user/recovery`. Add the captcha widget to it:
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```
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<?php
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use yii\helpers\Html;
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use yii\widgets\ActiveForm;
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use Da\User\Widget\ReCaptchaWidget;
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/**
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* @var yii\web\View $this
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* @var yii\widgets\ActiveForm $form
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* @var \Da\User\Form\RecoveryForm $model
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*/
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$this->title = Yii::t('usuario', 'Recover your password');
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$this->params['breadcrumbs'][] = $this->title;
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?>
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<div class="row">
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<div class="col-md-4 col-md-offset-4 col-sm-6 col-sm-offset-3">
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<div class="panel panel-default">
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<div class="panel-heading">
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<h3 class="panel-title"><?= Html::encode($this->title) ?></h3>
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</div>
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<div class="panel-body">
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<?php $form = ActiveForm::begin(
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[
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'id' => $model->formName(),
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'enableAjaxValidation' => false,
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'enableClientValidation' => false,
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]
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); ?>
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<?= $form->field($model, 'email')->textInput(['autofocus' => true]) ?>
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<?= $form->field($model, 'captcha')->widget(ReCaptchaWidget::className(), ['theme' => 'light']) ?>
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<?= Html::submitButton(Yii::t('usuario', 'Continue'), ['class' => 'btn btn-primary btn-block']) ?><br>
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<?php ActiveForm::end(); ?>
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</div>
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</div>
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</div>
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</div>
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```
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Configure Module and Application
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--------------------------------
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Finally, we have to configure the module and the application to ensure is using our form and our view:
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```php
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// ...
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'modules' => [
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'user' => [
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'class' => Da\User\Module::class,
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'classMap' => [
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'RecoveryForm' => 'app\models\Forms\RecoveryForm'
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],
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]
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],
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// ...
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'components' => [
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'view' => [
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'theme' => [
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'pathMap' => [
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'@Da/User/resources/views' => '@app/views/user'
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]
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]
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]
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]
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```
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Notes For Other Forms
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---------------------
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The outward facing forms (i.e. forms that you don't need to login to use) also include `registrationForm`, `resendForm`.
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- All three forms need `'enableAjaxValidation' => false` in the view override.
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- `registrationForm` & `resendForm` do not need `scenarios()` in the form override.
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- `registrationForm` needs fix #347 to work.
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© [2amigos](http://www.2amigos.us/) 2013-2019
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