/htdocs/wp-content/plugins/contact-form-7/includes/formatting.php
PHP | 387 lines | 280 code | 88 blank | 19 comment | 42 complexity | d3a9b50a1e2a6b6e719debcca44e762f MD5 | raw file
- <?php
- function wpcf7_autop( $pee, $br = 1 ) {
- if ( trim( $pee ) === '' ) {
- return '';
- }
- $pee = $pee . "\n"; // just to make things a little easier, pad the end
- $pee = preg_replace( '|<br />\s*<br />|', "\n\n", $pee );
- // Space things out a little
- /* wpcf7: remove select and input */
- $allblocks = '(?:table|thead|tfoot|caption|col|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|form|map|area|blockquote|address|math|style|p|h[1-6]|hr|fieldset|legend|section|article|aside|hgroup|header|footer|nav|figure|figcaption|details|menu|summary)';
- $pee = preg_replace( '!(<' . $allblocks . '[^>]*>)!', "\n$1", $pee );
- $pee = preg_replace( '!(</' . $allblocks . '>)!', "$1\n\n", $pee );
- /* wpcf7: take care of [response], [recaptcha], and [hidden] tags */
- $form_tags_manager = WPCF7_FormTagsManager::get_instance();
- $block_hidden_form_tags = $form_tags_manager->collect_tag_types(
- array( 'display-block', 'display-hidden' ) );
- $block_hidden_form_tags = sprintf( '(?:%s)',
- implode( '|', $block_hidden_form_tags ) );
- $pee = preg_replace( '!(\[' . $block_hidden_form_tags . '[^]]*\])!',
- "\n$1\n\n", $pee );
- $pee = str_replace( array( "\r\n", "\r" ), "\n", $pee ); // cross-platform newlines
- if ( strpos( $pee, '<object' ) !== false ) {
- $pee = preg_replace( '|\s*<param([^>]*)>\s*|', "<param$1>", $pee ); // no pee inside object/embed
- $pee = preg_replace( '|\s*</embed>\s*|', '</embed>', $pee );
- }
- $pee = preg_replace( "/\n\n+/", "\n\n", $pee ); // take care of duplicates
- // make paragraphs, including one at the end
- $pees = preg_split( '/\n\s*\n/', $pee, -1, PREG_SPLIT_NO_EMPTY );
- $pee = '';
- foreach ( $pees as $tinkle ) {
- $pee .= '<p>' . trim( $tinkle, "\n" ) . "</p>\n";
- }
- $pee = preg_replace( '|<p>\s*</p>|', '', $pee ); // under certain strange conditions it could create a P of entirely whitespace
- $pee = preg_replace( '!<p>([^<]+)</(div|address|form|fieldset)>!', "<p>$1</p></$2>", $pee );
- $pee = preg_replace( '!<p>\s*(</?' . $allblocks . '[^>]*>)\s*</p>!', "$1", $pee ); // don't pee all over a tag
- $pee = preg_replace( "|<p>(<li.+?)</p>|", "$1", $pee ); // problem with nested lists
- $pee = preg_replace( '|<p><blockquote([^>]*)>|i', "<blockquote$1><p>", $pee );
- $pee = str_replace( '</blockquote></p>', '</p></blockquote>', $pee );
- $pee = preg_replace( '!<p>\s*(</?' . $allblocks . '[^>]*>)!', "$1", $pee );
- $pee = preg_replace( '!(</?' . $allblocks . '[^>]*>)\s*</p>!', "$1", $pee );
- /* wpcf7: take care of [response], [recaptcha], and [hidden] tag */
- $pee = preg_replace( '!<p>\s*(\[' . $block_hidden_form_tags . '[^]]*\])!',
- "$1", $pee );
- $pee = preg_replace( '!(\[' . $block_hidden_form_tags . '[^]]*\])\s*</p>!',
- "$1", $pee );
- if ( $br ) {
- /* wpcf7: add textarea */
- $pee = preg_replace_callback(
- '/<(script|style|textarea).*?<\/\\1>/s',
- 'wpcf7_autop_preserve_newline_callback', $pee );
- $pee = preg_replace( '|(?<!<br />)\s*\n|', "<br />\n", $pee ); // optionally make line breaks
- $pee = str_replace( '<WPPreserveNewline />', "\n", $pee );
- /* wpcf7: remove extra <br /> just added before [response], [recaptcha], and [hidden] tags */
- $pee = preg_replace( '!<br />\n(\[' . $block_hidden_form_tags . '[^]]*\])!',
- "\n$1", $pee );
- }
- $pee = preg_replace( '!(</?' . $allblocks . '[^>]*>)\s*<br />!', "$1", $pee );
- $pee = preg_replace( '!<br />(\s*</?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)[^>]*>)!', '$1', $pee );
- if ( strpos( $pee, '<pre' ) !== false ) {
- $pee = preg_replace_callback( '!(<pre[^>]*>)(.*?)</pre>!is',
- 'clean_pre', $pee );
- }
- $pee = preg_replace( "|\n</p>$|", '</p>', $pee );
- return $pee;
- }
- function wpcf7_autop_preserve_newline_callback( $matches ) {
- return str_replace( "\n", '<WPPreserveNewline />', $matches[0] );
- }
- function wpcf7_sanitize_query_var( $text ) {
- $text = wp_unslash( $text );
- $text = wp_check_invalid_utf8( $text );
- if ( false !== strpos( $text, '<' ) ) {
- $text = wp_pre_kses_less_than( $text );
- $text = wp_strip_all_tags( $text );
- }
- $text = preg_replace( '/%[a-f0-9]{2}/i', '', $text );
- $text = preg_replace( '/ +/', ' ', $text );
- $text = trim( $text, ' ' );
- return $text;
- }
- function wpcf7_strip_quote( $text ) {
- $text = trim( $text );
- if ( preg_match( '/^"(.*)"$/s', $text, $matches ) ) {
- $text = $matches[1];
- } elseif ( preg_match( "/^'(.*)'$/s", $text, $matches ) ) {
- $text = $matches[1];
- }
- return $text;
- }
- function wpcf7_strip_quote_deep( $arr ) {
- if ( is_string( $arr ) ) {
- return wpcf7_strip_quote( $arr );
- }
- if ( is_array( $arr ) ) {
- $result = array();
- foreach ( $arr as $key => $text ) {
- $result[$key] = wpcf7_strip_quote_deep( $text );
- }
- return $result;
- }
- }
- function wpcf7_normalize_newline( $text, $to = "\n" ) {
- if ( ! is_string( $text ) ) {
- return $text;
- }
- $nls = array( "\r\n", "\r", "\n" );
- if ( ! in_array( $to, $nls ) ) {
- return $text;
- }
- return str_replace( $nls, $to, $text );
- }
- function wpcf7_normalize_newline_deep( $arr, $to = "\n" ) {
- if ( is_array( $arr ) ) {
- $result = array();
- foreach ( $arr as $key => $text ) {
- $result[$key] = wpcf7_normalize_newline_deep( $text, $to );
- }
- return $result;
- }
- return wpcf7_normalize_newline( $arr, $to );
- }
- function wpcf7_strip_newline( $str ) {
- $str = (string) $str;
- $str = str_replace( array( "\r", "\n" ), '', $str );
- return trim( $str );
- }
- function wpcf7_canonicalize( $text, $strto = 'lower' ) {
- if ( function_exists( 'mb_convert_kana' )
- and 'UTF-8' == get_option( 'blog_charset' ) ) {
- $text = mb_convert_kana( $text, 'asKV', 'UTF-8' );
- }
- if ( 'lower' == $strto ) {
- $text = strtolower( $text );
- } elseif ( 'upper' == $strto ) {
- $text = strtoupper( $text );
- }
- $text = trim( $text );
- return $text;
- }
- /**
- * Check whether a string is a valid NAME token.
- *
- * ID and NAME tokens must begin with a letter ([A-Za-z])
- * and may be followed by any number of letters, digits ([0-9]),
- * hyphens ("-"), underscores ("_"), colons (":"), and periods (".").
- *
- * @see http://www.w3.org/TR/html401/types.html#h-6.2
- *
- * @return bool True if it is a valid name, false if not.
- */
- function wpcf7_is_name( $string ) {
- return preg_match( '/^[A-Za-z][-A-Za-z0-9_:.]*$/', $string );
- }
- function wpcf7_sanitize_unit_tag( $tag ) {
- $tag = preg_replace( '/[^A-Za-z0-9_-]/', '', $tag );
- return $tag;
- }
- function wpcf7_is_email( $email ) {
- $result = is_email( $email );
- return apply_filters( 'wpcf7_is_email', $result, $email );
- }
- function wpcf7_is_url( $url ) {
- $result = ( false !== filter_var( $url, FILTER_VALIDATE_URL ) );
- return apply_filters( 'wpcf7_is_url', $result, $url );
- }
- function wpcf7_is_tel( $tel ) {
- $pattern = '%^[+]?' // + sign
- . '(?:\([0-9]+\)|[0-9]+)' // (1234) or 1234
- . '(?:[/ -]*' // delimiter
- . '(?:\([0-9]+\)|[0-9]+)' // (1234) or 1234
- . ')*$%';
- $result = preg_match( $pattern, trim( $tel ) );
- return apply_filters( 'wpcf7_is_tel', $result, $tel );
- }
- function wpcf7_is_number( $number ) {
- $result = is_numeric( $number );
- return apply_filters( 'wpcf7_is_number', $result, $number );
- }
- function wpcf7_is_date( $date ) {
- $result = preg_match( '/^([0-9]{4,})-([0-9]{2})-([0-9]{2})$/', $date, $matches );
- if ( $result ) {
- $result = checkdate( $matches[2], $matches[3], $matches[1] );
- }
- return apply_filters( 'wpcf7_is_date', $result, $date );
- }
- function wpcf7_is_mailbox_list( $mailbox_list ) {
- if ( ! is_array( $mailbox_list ) ) {
- $mailbox_text = (string) $mailbox_list;
- $mailbox_text = wp_unslash( $mailbox_text );
- $mailbox_text = preg_replace( '/\\\\(?:\"|\')/', 'esc-quote',
- $mailbox_text );
- $mailbox_text = preg_replace( '/(?:\".*?\"|\'.*?\')/', 'quoted-string',
- $mailbox_text );
- $mailbox_list = explode( ',', $mailbox_text );
- }
- $addresses = array();
- foreach ( $mailbox_list as $mailbox ) {
- if ( ! is_string( $mailbox ) ) {
- return false;
- }
- $mailbox = trim( $mailbox );
- if ( preg_match( '/<(.+)>$/', $mailbox, $matches ) ) {
- $addr_spec = $matches[1];
- } else {
- $addr_spec = $mailbox;
- }
- if ( ! wpcf7_is_email( $addr_spec ) ) {
- return false;
- }
- $addresses[] = $addr_spec;
- }
- return $addresses;
- }
- function wpcf7_is_email_in_domain( $email, $domain ) {
- $email_list = wpcf7_is_mailbox_list( $email );
- $domain = strtolower( $domain );
- foreach ( $email_list as $email ) {
- $email_domain = substr( $email, strrpos( $email, '@' ) + 1 );
- $email_domain = strtolower( $email_domain );
- $domain_parts = explode( '.', $domain );
- do {
- $site_domain = implode( '.', $domain_parts );
- if ( $site_domain == $email_domain ) {
- continue 2;
- }
- array_shift( $domain_parts );
- } while ( $domain_parts );
- return false;
- }
- return true;
- }
- function wpcf7_is_email_in_site_domain( $email ) {
- if ( wpcf7_is_localhost() ) {
- return true;
- }
- $site_domain = strtolower( $_SERVER['SERVER_NAME'] );
- if ( preg_match( '/^[0-9.]+$/', $site_domain ) ) { // 123.456.789.012
- return true;
- }
- if ( wpcf7_is_email_in_domain( $email, $site_domain ) ) {
- return true;
- }
- $home_url = home_url();
- // for interoperability with WordPress MU Domain Mapping plugin
- if ( is_multisite()
- and function_exists( 'domain_mapping_siteurl' ) ) {
- $domain_mapping_siteurl = domain_mapping_siteurl( false );
- if ( $domain_mapping_siteurl ) {
- $home_url = $domain_mapping_siteurl;
- }
- }
- if ( preg_match( '%^https?://([^/]+)%', $home_url, $matches ) ) {
- $site_domain = strtolower( $matches[1] );
- if ( $site_domain != strtolower( $_SERVER['SERVER_NAME'] )
- and wpcf7_is_email_in_domain( $email, $site_domain ) ) {
- return true;
- }
- }
- return false;
- }
- function wpcf7_antiscript_file_name( $filename ) {
- $filename = basename( $filename );
- $parts = explode( '.', $filename );
- if ( count( $parts ) < 2 ) {
- return $filename;
- }
- $script_pattern = '/^(php|phtml|pl|py|rb|cgi|asp|aspx)\d?$/i';
- $filename = array_shift( $parts );
- $extension = array_pop( $parts );
- foreach ( (array) $parts as $part ) {
- if ( preg_match( $script_pattern, $part ) ) {
- $filename .= '.' . $part . '_';
- } else {
- $filename .= '.' . $part;
- }
- }
- if ( preg_match( $script_pattern, $extension ) ) {
- $filename .= '.' . $extension . '_.txt';
- } else {
- $filename .= '.' . $extension;
- }
- return $filename;
- }
- function wpcf7_mask_password( $text, $length_unmasked = 0 ) {
- $length = strlen( $text );
- $length_unmasked = absint( $length_unmasked );
- if ( 0 == $length_unmasked ) {
- if ( 9 < $length ) {
- $length_unmasked = 4;
- } elseif ( 3 < $length ) {
- $length_unmasked = 2;
- } else {
- $length_unmasked = $length;
- }
- }
- $text = substr( $text, 0 - $length_unmasked );
- $text = str_pad( $text, $length, '*', STR_PAD_LEFT );
- return $text;
- }