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<?php |
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|
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namespace passster; |
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|
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class PS_Helper |
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{ |
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/** |
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* Set AMP headers |
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* |
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* @param string $auth the current $_POST argument. |
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* @param string $password the current password. |
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* @return void |
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*/ |
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public static function set_amp_headers( $auth, $password ) |
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{ |
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if ( function_exists( 'is_amp_endpoint' ) && is_amp_endpoint() ) { |
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|
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if ( !empty($_POST) ) { |
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header( 'Content-type: application/json' ); |
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header( 'Access-Control-Allow-Credentials: true' ); |
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header( 'Access-Control-Allow-Origin: ' . \get_bloginfo( 'url' ) . '.cdn.ampproject.org' ); |
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header( 'AMP-Access-Control-Allow-Source-Origin: ' . \get_bloginfo( 'url' ) ); |
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header( 'Access-Control-Expose-Headers: AMP-Access-Control-Allow-Source-Origin' ); |
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header( 'AMP-Redirect-To: ' . \get_the_permalink() ); |
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header( 'Access-Control-Expose-Headers: AMP-Redirect-To, AMP-Access-Control-Allow-Source-Origin' ); |
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if ( $password === $_POST['passster_password'] ) { |
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setcookie( |
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'passster', |
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base64_encode( $password ), |
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time() + 2592000, |
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'/' |
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); |
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} |
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} |
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|
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} |
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} |
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|
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/** |
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* Get string between two strings. |
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* |
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* @param string $string string to find. |
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* @param string $start start string. |
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* @param string $end end string. |
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* @return string |
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*/ |
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public static function get_string_between( $string, $start, $end ) |
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{ |
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$string = ' ' . $string; |
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$ini = strpos( $string, $start ); |
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if ( $ini == 0 ) { |
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return ''; |
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} |
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$ini += strlen( $start ); |
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$len = strpos( $string, $end, $ini ) - $ini; |
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return substr( $string, $ini, $len ); |
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} |
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|
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/** |
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* Preg matches shortcode and return cleaned output. |
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* |
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* @param string $content given content. |
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* @return string |
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*/ |
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public static function get_shortcode_content( $content, $password ) |
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{ |
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preg_match( '/\\[passster+.*.".*' . $password . '.*".*?[\\]]/', $content, $matches ); |
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preg_match( '/\\[passster+.*."true".*?[\\]]/', $content, $captcha_matches ); |
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$string = ''; |
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|
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if ( isset( $matches ) && !empty($matches) ) { |
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foreach ( $matches as $match ) { |
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$string = self::get_string_between( $content, $match, '[/passster]' ); |
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} |
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} elseif ( isset( $captcha_matches ) && !empty($captcha_matches) ) { |
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foreach ( $captcha_matches as $ca_match ) { |
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$string = self::get_string_between( $content, $ca_match, '[/passster]' ); |
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} |
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} |
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|
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return $string; |
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} |
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|
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/** |
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* Get short URL from bitly. |
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* |
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* @param string $unlock_link unlock URL from Passster. |
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* @return string |
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*/ |
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public static function get_bitly_url( $unlock_link ) |
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{ |
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$advanced_options = wp_parse_args( get_option( 'passster_advanced_settings' ), PS_ADMIN::get_defaults( 'passster_advanced_settings' ) ); |
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$url = 'https://api-ssl.bitly.com/v3/shorten?longUrl=' . $unlock_link . '&access_token=' . $advanced_options['passster_bitly_access_key']; |
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$ch = curl_init( $url ); |
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curl_setopt( $ch, CURLOPT_CUSTOMREQUEST, 'GET' ); |
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curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true ); |
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curl_setopt( $ch, CURLOPT_SSL_VERIFYPEER, false ); |
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$result = curl_exec( $ch ); |
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$response = json_decode( $result ); |
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if ( is_object( $response ) ) { |
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return $response->data->url; |
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} |
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} |
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|
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} |
