Commit inicial - WordPress Análisis de Precios Unitarios

- WordPress core y plugins
- Tema Twenty Twenty-Four configurado
- Plugin allow-unfiltered-html.php simplificado
- .gitignore configurado para excluir wp-config.php y uploads

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

wp-content/plugins/restrict-content-pro/core/includes/captcha-functions.php

@@ -0,0 +1,157 @@
+<?php
+/**
+ * CAPTCHA Functions
+ *
+ * Adds CAPTCHA to the registration form and validates the submission.
+ *
+ * @package     Restrict Content Pro
+ * @copyright   Copyright (c) 2017, Restrict Content Pro
+ * @license     http://opensource.org/license/gpl-2.1.php GNU Public License
+ */
+
+/**
+ * Whether or not reCATPCHA is enabled. The setting must be checked on and
+ * all keys entered for this to return true.
+ *
+ * @since 2.9
+ * @return bool
+ */
+function rcp_is_recaptcha_enabled() {
+
+	global $rcp_options;
+
+	$enabled = ( ! empty( $rcp_options['enable_recaptcha'] ) && ! empty( $rcp_options['recaptcha_public_key'] ) && ! empty( $rcp_options['recaptcha_private_key'] ) );
+
+	if ( ! $enabled ) {
+		return false;
+	}
+
+	/**
+	 * Filters whether reCAPTCHA is enabled.
+	 *
+	 * This can only be used to disable reCAPTCHA if it is presently enabled.
+	 *
+	 * @since 3.4.3
+	 *
+	 * @param bool $enabled True if reCAPTCHA is enabled.
+	 */
+	return apply_filters( 'rcp_is_recaptcha_enabled', $enabled );
+}
+
+/**
+ * Get the reCAPTCHA version
+ *
+ * @since 3.3
+ * @return int Either 2 (v2) or 3 (v3)
+ */
+function rcp_get_recaptcha_version() {
+
+	global $rcp_options;
+
+	return ! empty( $rcp_options['recaptcha_version'] ) ? absint( $rcp_options['recaptcha_version'] ) : 2;
+
+}
+
+/**
+ * Add reCAPTCHA to the registration form if it's enabled.
+ *
+ * @return void
+ */
+function rcp_show_captcha() {
+	global $rcp_options;
+	// reCaptcha
+	if ( rcp_is_recaptcha_enabled() ) {
+		if ( 3 === rcp_get_recaptcha_version() ) {
+			/**
+			 * v3 markup
+			 */
+			?>
+			<div id="rcp_recaptcha" data-sitekey="<?php echo esc_attr( $rcp_options['recaptcha_public_key'] ); ?>">
+				<input type="hidden" id="rcp_recaptcha_token" name="g-recaptcha-response" />
+				<input type="hidden" name="g-recaptcha-remoteip" value=<?php echo esc_attr( rcp_get_ip() ); ?> />
+			</div>
+			<?php
+		} else {
+			/**
+			 * v2 markup
+			 */
+			?>
+			<div id="rcp_recaptcha" data-callback="rcp_validate_recaptcha" class="g-recaptcha" data-sitekey="<?php echo esc_attr( $rcp_options['recaptcha_public_key'] ); ?>"></div>
+			<input type="hidden" name="g-recaptcha-remoteip" value=<?php echo esc_attr( rcp_get_ip() ); ?> /><br/>
+			<?php
+		}
+	}
+}
+add_action( 'rcp_before_registration_submit_field', 'rcp_show_captcha', 100 );
+add_action( 'rcp_before_stripe_checkout_submit_field', 'rcp_show_captcha', 100 );
+
+/**
+ * Validate reCAPTCHA during form submission and throw an error if invalid.
+ *
+ * @param array $data Data passed through the registration form.
+ *
+ * @return void
+ */
+function rcp_validate_captcha( $data ) {
+
+	global $rcp_options;
+
+	if( ! rcp_is_recaptcha_enabled() ) {
+		return;
+	}
+
+	if ( empty( $data['g-recaptcha-response'] ) || empty( $data['g-recaptcha-remoteip'] ) ) {
+		rcp_errors()->add( 'invalid_recaptcha', __( 'Registration failed', 'rcp' ), 'register' );
+		return;
+	}
+
+	// Skip on validation step (to ensure we only do this once).
+	if ( ! empty( $data['validate_only'] ) ) {
+		return;
+	}
+
+	$verify = wp_safe_remote_post(
+		'https://www.google.com/recaptcha/api/siteverify',
+		array(
+			'body' => array(
+				'secret'   => trim( $rcp_options['recaptcha_private_key'] ),
+				'response' => $data['g-recaptcha-response'],
+				'remoteip' => $data['g-recaptcha-remoteip']
+			)
+		)
+	);
+
+	$verify = json_decode( wp_remote_retrieve_body( $verify ) );
+
+	if ( 2 === rcp_get_recaptcha_version() ) {
+		/**
+		 * Validate reCAPTCHA v2 response
+		 */
+		if ( empty( $verify->success ) || true !== $verify->success ) {
+			rcp_errors()->add( 'invalid_recaptcha', __( 'Registration failed', 'rcp' ), 'register' );
+		}
+
+		return;
+	} else {
+		/**
+		 * Validate reCAPTCHA v3 response
+		 */
+
+		/**
+		 * Filters the score threshold. Scores lower than this will be rejected.
+		 */
+		$score_threshold = apply_filters( 'rcp_recaptcha_score_threshold', 0.5 );
+		$score           = ! empty( $verify->score ) ? $verify->score : 0;
+
+		rcp_log( sprintf( 'reCAPTCHA score: %s / %s', $score, $score_threshold ) );
+
+		if ( empty( $verify->success ) || true !== $verify->success || empty( $verify->action ) || 'register' !== $verify->action || $score < $score_threshold ) {
+			rcp_errors()->add( 'invalid_recaptcha', __( 'Registration failed', 'rcp' ), 'register' );
+			if ( isset( $verify->{'error-codes'} ) ) {
+				rcp_log( sprintf( 'reCAPTCHA errors: %s', var_export( $verify->{'error-codes'}, true ) ), true );
+			}
+		}
+	}
+
+}
+add_action( 'rcp_form_errors', 'rcp_validate_captcha' );