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<?php |
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/** |
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* reCAPTCHA v2 Validation |
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* |
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* Extends AccuaForm_Validation_CaptchaSpam: a failed verification follows the |
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* per-form spam action (reject with a visible error, or accept silently and |
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* flag the submission as spam — see the base class for the contract). |
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* |
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* @package Contact Forms |
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*/ |
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|
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// phpcs:disable WordPress.Security.NonceVerification, WordPress.Security.ValidatedSanitizedInput -- Server-side CAPTCHA validation requires POST data |
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|
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class AccuaForm_Validation_Captcha2b extends AccuaForm_Validation_CaptchaSpam { |
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protected $message = 'Error: The reCAPTCHA response provided was incorrect. Please retry.'; |
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|
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public function isValid( $value ) { |
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if ( ! isset( $_POST['g-recaptcha-response'] ) ) { |
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return $this->failed(); |
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} |
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|
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$response = stripslashes_deep( $_POST['g-recaptcha-response'] ); |
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|
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if ( '' === $response ) { |
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return $this->failed(); |
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} |
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|
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$verify_url = 'https://www.google.com/recaptcha/api/siteverify'; |
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|
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$verify_data = array( |
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'secret' => $this->privateKey, |
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'response' => $response, |
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'remoteip' => isset( $_SERVER['REMOTE_ADDR'] ) ? sanitize_text_field( wp_unslash( $_SERVER['REMOTE_ADDR'] ) ) : '', |
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); |
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|
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$response_obj = wp_remote_post( |
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$verify_url, |
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array( |
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'body' => $verify_data, |
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'timeout' => 20, |
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) |
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); |
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|
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if ( is_wp_error( $response_obj ) ) { |
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return $this->failed(); |
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} |
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|
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$body = wp_remote_retrieve_body( $response_obj ); |
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$result = json_decode( $body, true ); |
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|
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if ( ! empty( $result['success'] ) ) { |
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return true; |
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} |
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|
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return $this->failed(); |
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} |
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} |
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|
