<?php

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/**

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* Helper functions that are called from API even when module is inactive should be added here.

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* This file will be included in module-extras.php.

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*

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* @package jetpack

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*/

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if ( ! function_exists( 'jetpack_verification_validate' ) ) {

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/**

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* Validate jetpack verification codes.

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*

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* @param array $verification_services_codes - array of verification codes.

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*/

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function jetpack_verification_validate( $verification_services_codes ) {

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foreach ( $verification_services_codes as $key => $code ) {

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// Parse html meta tag if it does not look like a valid code.

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if ( ! preg_match( '/^[a-z0-9_-]+$/i', $code ) ) {

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$code = jetpack_verification_get_code( $code );

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}

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$code = esc_attr( trim( $code ) );

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// limit length to 100 chars.

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$code = substr( $code, 0, 100 );

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/**

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* Fire after each Verification code was validated.

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*

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* @module verification-tools

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*

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* @since 3.0.0

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*

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* @param string $key Verification service name.

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* @param string $code Verification service code provided in field in the Tools menu.

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*/

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do_action( 'jetpack_site_verification_validate', $key, $code );

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$verification_services_codes[ $key ] = $code;

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}

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return $verification_services_codes;

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}

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}

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if ( ! function_exists( 'jetpack_verification_get_code' ) ) {

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/**

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* Return the code we're trying to verify after decoding.

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*

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* @param string $code - the code we need to parse.

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*/

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function jetpack_verification_get_code( $code ) {

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$pattern = '/content=["\']?([^"\' ]*)["\' ]/is';

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preg_match( $pattern, $code, $match );

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if ( $match ) {

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return urldecode( $match[1] );

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} else {

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return false;

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}

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}

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}

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