434 lines
9.1 KiB
PHP
434 lines
9.1 KiB
PHP
<?php
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function wpcf7_plugin_path( $path = '' ) {
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return path_join( WPCF7_PLUGIN_DIR, trim( $path, '/' ) );
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}
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function wpcf7_plugin_url( $path = '' ) {
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$url = plugins_url( $path, WPCF7_PLUGIN );
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if ( is_ssl()
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and 'http:' == substr( $url, 0, 5 ) ) {
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$url = 'https:' . substr( $url, 5 );
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}
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return $url;
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}
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function wpcf7_upload_dir( $type = false ) {
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$uploads = wp_get_upload_dir();
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$uploads = apply_filters( 'wpcf7_upload_dir', array(
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'dir' => $uploads['basedir'],
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'url' => $uploads['baseurl'],
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) );
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if ( 'dir' == $type ) {
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return $uploads['dir'];
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} if ( 'url' == $type ) {
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return $uploads['url'];
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}
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return $uploads;
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}
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function wpcf7_verify_nonce( $nonce, $action = 'wp_rest' ) {
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return wp_verify_nonce( $nonce, $action );
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}
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function wpcf7_create_nonce( $action = 'wp_rest' ) {
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return wp_create_nonce( $action );
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}
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function wpcf7_blacklist_check( $target ) {
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$mod_keys = trim( get_option( 'blacklist_keys' ) );
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if ( empty( $mod_keys ) ) {
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return false;
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}
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$words = explode( "\n", $mod_keys );
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foreach ( (array) $words as $word ) {
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$word = trim( $word );
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if ( empty( $word )
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or 256 < strlen( $word ) ) {
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continue;
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}
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$pattern = sprintf( '#%s#i', preg_quote( $word, '#' ) );
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if ( preg_match( $pattern, $target ) ) {
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return true;
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}
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}
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return false;
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}
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function wpcf7_array_flatten( $input ) {
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if ( ! is_array( $input ) ) {
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return array( $input );
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}
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$output = array();
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foreach ( $input as $value ) {
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$output = array_merge( $output, wpcf7_array_flatten( $value ) );
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}
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return $output;
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}
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function wpcf7_flat_join( $input ) {
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$input = wpcf7_array_flatten( $input );
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$output = array();
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foreach ( (array) $input as $value ) {
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$output[] = trim( (string) $value );
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}
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return implode( ', ', $output );
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}
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function wpcf7_support_html5() {
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return (bool) apply_filters( 'wpcf7_support_html5', true );
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}
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function wpcf7_support_html5_fallback() {
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return (bool) apply_filters( 'wpcf7_support_html5_fallback', false );
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}
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function wpcf7_use_really_simple_captcha() {
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return apply_filters( 'wpcf7_use_really_simple_captcha',
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WPCF7_USE_REALLY_SIMPLE_CAPTCHA );
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}
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function wpcf7_validate_configuration() {
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return apply_filters( 'wpcf7_validate_configuration',
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WPCF7_VALIDATE_CONFIGURATION );
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}
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function wpcf7_autop_or_not() {
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return (bool) apply_filters( 'wpcf7_autop_or_not', WPCF7_AUTOP );
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}
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function wpcf7_load_js() {
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return apply_filters( 'wpcf7_load_js', WPCF7_LOAD_JS );
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}
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function wpcf7_load_css() {
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return apply_filters( 'wpcf7_load_css', WPCF7_LOAD_CSS );
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}
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function wpcf7_format_atts( $atts ) {
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$html = '';
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$prioritized_atts = array( 'type', 'name', 'value' );
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foreach ( $prioritized_atts as $att ) {
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if ( isset( $atts[$att] ) ) {
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$value = trim( $atts[$att] );
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$html .= sprintf( ' %s="%s"', $att, esc_attr( $value ) );
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unset( $atts[$att] );
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}
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}
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foreach ( $atts as $key => $value ) {
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$key = strtolower( trim( $key ) );
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if ( ! preg_match( '/^[a-z_:][a-z_:.0-9-]*$/', $key ) ) {
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continue;
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}
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$value = trim( $value );
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if ( '' !== $value ) {
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$html .= sprintf( ' %s="%s"', $key, esc_attr( $value ) );
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}
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}
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$html = trim( $html );
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return $html;
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}
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function wpcf7_link( $url, $anchor_text, $args = '' ) {
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$defaults = array(
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'id' => '',
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'class' => '',
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);
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$args = wp_parse_args( $args, $defaults );
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$args = array_intersect_key( $args, $defaults );
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$atts = wpcf7_format_atts( $args );
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$link = sprintf( '<a href="%1$s"%3$s>%2$s</a>',
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esc_url( $url ),
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esc_html( $anchor_text ),
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$atts ? ( ' ' . $atts ) : '' );
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return $link;
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}
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function wpcf7_get_request_uri() {
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static $request_uri = '';
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if ( empty( $request_uri ) ) {
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$request_uri = add_query_arg( array() );
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}
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return esc_url_raw( $request_uri );
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}
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function wpcf7_register_post_types() {
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if ( class_exists( 'WPCF7_ContactForm' ) ) {
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WPCF7_ContactForm::register_post_type();
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return true;
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} else {
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return false;
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}
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}
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function wpcf7_version( $args = '' ) {
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$defaults = array(
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'limit' => -1,
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'only_major' => false,
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);
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$args = wp_parse_args( $args, $defaults );
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if ( $args['only_major'] ) {
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$args['limit'] = 2;
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}
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$args['limit'] = (int) $args['limit'];
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$ver = WPCF7_VERSION;
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$ver = strtr( $ver, '_-+', '...' );
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$ver = preg_replace( '/[^0-9.]+/', ".$0.", $ver );
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$ver = preg_replace( '/[.]+/', ".", $ver );
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$ver = trim( $ver, '.' );
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$ver = explode( '.', $ver );
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if ( -1 < $args['limit'] ) {
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$ver = array_slice( $ver, 0, $args['limit'] );
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}
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$ver = implode( '.', $ver );
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return $ver;
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}
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function wpcf7_version_grep( $version, array $input ) {
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$pattern = '/^' . preg_quote( (string) $version, '/' ) . '(?:\.|$)/';
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return preg_grep( $pattern, $input );
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}
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function wpcf7_enctype_value( $enctype ) {
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$enctype = trim( $enctype );
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if ( empty( $enctype ) ) {
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return '';
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}
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$valid_enctypes = array(
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'application/x-www-form-urlencoded',
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'multipart/form-data',
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'text/plain',
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);
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if ( in_array( $enctype, $valid_enctypes ) ) {
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return $enctype;
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}
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$pattern = '%^enctype="(' . implode( '|', $valid_enctypes ) . ')"$%';
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if ( preg_match( $pattern, $enctype, $matches ) ) {
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return $matches[1]; // for back-compat
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}
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return '';
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}
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function wpcf7_rmdir_p( $dir ) {
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if ( is_file( $dir ) ) {
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$file = $dir;
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if ( @unlink( $file ) ) {
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return true;
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}
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$stat = stat( $file );
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if ( @chmod( $file, $stat['mode'] | 0200 ) ) { // add write for owner
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if ( @unlink( $file ) ) {
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return true;
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}
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@chmod( $file, $stat['mode'] );
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}
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return false;
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}
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if ( ! is_dir( $dir ) ) {
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return false;
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}
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if ( $handle = opendir( $dir ) ) {
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while ( false !== ( $file = readdir( $handle ) ) ) {
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if ( $file == "."
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or $file == ".." ) {
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continue;
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}
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wpcf7_rmdir_p( path_join( $dir, $file ) );
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}
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closedir( $handle );
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}
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if ( false !== ( $files = scandir( $dir ) )
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and ! array_diff( $files, array( '.', '..' ) ) ) {
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return rmdir( $dir );
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}
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return false;
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}
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/* From _http_build_query in wp-includes/functions.php */
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function wpcf7_build_query( $args, $key = '' ) {
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$sep = '&';
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$ret = array();
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foreach ( (array) $args as $k => $v ) {
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$k = urlencode( $k );
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if ( ! empty( $key ) ) {
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$k = $key . '%5B' . $k . '%5D';
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}
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if ( null === $v ) {
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continue;
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} elseif ( false === $v ) {
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$v = '0';
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}
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if ( is_array( $v ) or is_object( $v ) ) {
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array_push( $ret, wpcf7_build_query( $v, $k ) );
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} else {
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array_push( $ret, $k . '=' . urlencode( $v ) );
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}
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}
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return implode( $sep, $ret );
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}
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/**
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* Returns the number of code units in a string.
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*
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* @see http://www.w3.org/TR/html5/infrastructure.html#code-unit-length
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*
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* @return int|bool The number of code units, or false if mb_convert_encoding is not available.
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*/
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function wpcf7_count_code_units( $string ) {
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static $use_mb = null;
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if ( is_null( $use_mb ) ) {
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$use_mb = function_exists( 'mb_convert_encoding' );
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}
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if ( ! $use_mb ) {
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return false;
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}
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$string = (string) $string;
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$string = str_replace( "\r\n", "\n", $string );
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$encoding = mb_detect_encoding( $string, mb_detect_order(), true );
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if ( $encoding ) {
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$string = mb_convert_encoding( $string, 'UTF-16', $encoding );
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} else {
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$string = mb_convert_encoding( $string, 'UTF-16', 'UTF-8' );
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}
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$byte_count = mb_strlen( $string, '8bit' );
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return floor( $byte_count / 2 );
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}
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function wpcf7_is_localhost() {
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$server_name = strtolower( $_SERVER['SERVER_NAME'] );
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return in_array( $server_name, array( 'localhost', '127.0.0.1' ) );
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}
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function wpcf7_deprecated_function( $function, $version, $replacement ) {
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$trigger_error = apply_filters( 'deprecated_function_trigger_error', true );
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if ( WP_DEBUG and $trigger_error ) {
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if ( function_exists( '__' ) ) {
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trigger_error( sprintf( __( '%1$s is <strong>deprecated</strong> since Contact Form 7 version %2$s! Use %3$s instead.', 'contact-form-7' ), $function, $version, $replacement ) );
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} else {
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trigger_error( sprintf( '%1$s is <strong>deprecated</strong> since Contact Form 7 version %2$s! Use %3$s instead.', $function, $version, $replacement ) );
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}
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}
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}
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function wpcf7_log_remote_request( $url, $request, $response ) {
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$log = sprintf(
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/* translators: 1: response code, 2: response message, 3: URL */
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__( 'HTTP Response: %1$s %2$s from %3$s', 'contact-form-7' ),
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(int) wp_remote_retrieve_response_code( $response ),
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wp_remote_retrieve_response_message( $response ),
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$url
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);
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$log = apply_filters( 'wpcf7_log_remote_request',
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$log, $url, $request, $response
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);
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if ( $log ) {
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trigger_error( $log );
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}
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}
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function wpcf7_anonymize_ip_addr( $ip_addr ) {
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if ( ! function_exists( 'inet_ntop' )
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or ! function_exists( 'inet_pton' ) ) {
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return $ip_addr;
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}
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$packed = inet_pton( $ip_addr );
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if ( false === $packed ) {
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return $ip_addr;
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}
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if ( 4 == strlen( $packed ) ) { // IPv4
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$mask = '255.255.255.0';
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} elseif ( 16 == strlen( $packed ) ) { // IPv6
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$mask = 'ffff:ffff:ffff:0000:0000:0000:0000:0000';
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} else {
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return $ip_addr;
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}
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return inet_ntop( $packed & inet_pton( $mask ) );
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}
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function wpcf7_is_file_path_in_content_dir( $path ) {
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if ( 0 === strpos( realpath( $path ), realpath( WP_CONTENT_DIR ) ) ) {
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return true;
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}
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if ( defined( 'UPLOADS' )
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and 0 === strpos( realpath( $path ), realpath( ABSPATH . UPLOADS ) ) ) {
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return true;
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}
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return false;
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}
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