File: /home/parhudrw/saifookhan.com/wp-content/plugins/calculated-fields-form/inc/cpcff_auxiliary.inc.php
<?php
/**
* Miscellaneous operations: CPCFF_AUXILIARY class
*
* Metaclass with miscellanous operations used through all plugin.
*
* @package CFF.
* @since 1.0.167
*/
// phpcs:disable Squiz.PHP.EmbeddedPhp.ContentBeforeOpen
// phpcs:disable Squiz.PHP.EmbeddedPhp.ContentBeforeEnd
// phpcs:disable Squiz.PHP.EmbeddedPhp.ContentAfterEnd
// phpcs:disable WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase
// phpcs:disable WordPress.NamingConventions.ValidVariableName.VariableNotSnakeCase
// phpcs:disable Squiz.Commenting.FunctionComment.Missing
// phpcs:disable Squiz.Commenting.FunctionComment.MissingParamTag
if ( ! class_exists( 'CPCFF_AUXILIARY' ) ) {
/**
* Metaclass with miscellaneous operations.
*
* Publishes miscellanous operations to be used through all plugin's sections.
*
* @since 1.0.167
*/
class CPCFF_AUXILIARY {
/**
* Public URL of the current blog.
*
* @since 1.0.167
* @var string $_site_url
*/
private static $_site_url;
/**
* URL to the WordPress of the current blog.
*
* @since 1.0.167
* @var string $_wp_url
*/
private static $_wp_url;
/**
* Current URL.
*
* @var string $_current_url
*/
private static $_current_url;
/**
* ID of the current blog.
*
* @var string $_wp_id
*/
private static $_wp_id;
/**
* Returns the id of current blog.
*
* If the ID was read previously, uses the value stored in class property.
*
* @return int.
*/
public static function blog_id() {
if ( empty( self::$_wp_id ) ) {
self::$_wp_id = get_current_blog_id();
}
return self::$_wp_id;
} // End blog_id.
/**
* Returns the public URL of the current blog.
*
* If the URL was read previously, uses the value stored in class property.
*
* @since 1.0.167
* @return string.
*/
public static function site_url( $no_protocol = false ) {
if ( empty( self::$_site_url ) ) {
$blog = self::blog_id();
self::$_site_url = get_home_url( $blog, '', is_ssl() ? 'https' : 'http' );
}
$_site_url = rtrim( self::$_site_url, '/' );
if ( $no_protocol ) {
$_site_url = preg_replace( '/^http(s?)\:/i', '', $_site_url );
}
return $_site_url;
} // End site_url.
/**
* Returns the URL to the WordPress of the current blog.
*
* If the URL was read previously, uses the value stored in class property.
*
* @since 1.0.167
* @return string.
*/
public static function wp_url() {
if ( empty( self::$_wp_url ) ) {
$blog = self::blog_id();
self::$_wp_url = get_admin_url( $blog );
}
return rtrim( self::$_wp_url, '/' );
} // End wp_url.
/**
* Returns the form editor.
*/
public static function editor_url() {
return self::wp_url() . '/admin.php?page=cp_calculated_fields_form&_cpcff_nonce=' . wp_create_nonce( 'cff-form-settings' ) . '&cal=';
} // End editor_url.
/**
* Returns the URL to the current post url.
*
* @return string.
*/
public static function wp_current_url() {
if ( is_admin() ) {
return self::site_url();
}
if ( ! empty( self::$_current_url ) ) {
return self::$_current_url;
}
$protocol = ( ( ! empty( $_SERVER['HTTPS'] ) && 'off' != $_SERVER['HTTPS'] ) || ( ! empty( $_SERVER['SERVER_PORT'] ) && 443 == $_SERVER['SERVER_PORT'] ) ) ? 'https://' : 'http://';
self::$_current_url = $protocol . ( isset( $_SERVER['HTTP_HOST'] ) ? sanitize_text_field( wp_unslash( $_SERVER['HTTP_HOST'] ) ) : '' ) . ( isset( $_SERVER['REQUEST_URI'] ) ? sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) ) : '' );
return self::$_current_url;
} // End wp_current_url.
public static function paginate_links( $args = [] ) {
$output = '';
$aria_label = __( 'Page', 'calculated-fields-form' ) . ' ';
$aria_current = __( 'page', 'calculated-fields-form' ) . ' ';
$base = $args['base'];
$format = ! empty( $args['format'] ) ? $args['format'] : '&p=%#%';
$total = max( ! empty( $args['total'] ) && is_numeric( $args['total'] ) ? intval( $args['total'] ) : 1, 1 );
$current = max( ! empty( $args['current'] ) && is_numeric( $args['current'] ) ? intval( $args['current'] ) : 1, 1 );
$show_all = ! empty( $args['show_all'] ) ? true : false;
$end_size = max( ! empty( $args['end_size'] ) && is_numeric( $args['end_size'] ) ? intval( $args['end_size'] ) : 1, 1 );
$mid_size = max( ! empty( $args['mid_size'] ) && is_numeric( $args['mid_size'] ) ? intval( $args['mid_size'] ) : 2, 2 );
$add_args = [];
$current = min( $current, $total );
$dots = false;
if ( ! empty( $args['add_args'] ) && is_array( $args['add_args'] ) ) {
foreach( $args['add_args'] as $arg => $value ) {
$add_args[] = urlencode( $arg ) . '=' . urlencode( $value );
}
}
$add_args = '&' . implode( '&', $add_args );
if ( 1 < $current && ! empty( $args['prev_text'] ) ) {
$url = str_replace( '%_%', str_replace( '%#%', ( $current - 1 ), $format ), $base ) . $add_args;
$output .= '<a aria-label="' . esc_attr( $aria_label . ( $current - 1 ) ) . '" class="prev page-numbers" href="' . esc_attr( $url ) . '">' . esc_html( $args['prev_text'] ) . '</a>';
}
for( $i = 1; $i <= $total; $i++ ) {
if ( $i == $current ) {
$output .= '<span aria-label="' . esc_attr( $aria_label . $i ) . '" aria-current="' . esc_attr( $aria_current ) . '" class="page-numbers current">' . $i . '</span>';
$dots = true;
} else {
if (
$show_all ||
( $i <= $end_size || ( $current && $i >= $current - $mid_size && $i <= $current + $mid_size ) || $i > $total - $end_size )
) {
$url = str_replace( '%_%', str_replace( '%#%', $i, $format ), $base ) . $add_args;
$output .= '<a aria-label="' . esc_attr( $aria_label . $i ) . '" class="page-numbers" href="' . esc_attr( $url ) . '">' . $i . '</a>';
$dots = true;
} elseif ( $dots && ! $show_all ) {
$output .= '<span class="page-numbers dots">' . __( '…' ) . '</span>';
$dots = false;
}
}
}
if ( $current < $total && ! empty( $args['next_text'] ) ) {
$url = str_replace( '%_%', str_replace( '%#%', ( $current + 1 ), $format ), $base ) . $add_args;
$output .= '<a aria-label="' . esc_attr( $aria_label . ( $current + 1 ) ) . '" class="next page-numbers" href="' . esc_attr( $url ) . '">' . esc_html( $args['next_text'] ) . '</a>';
}
return $output;
} // End paginate_links.
/** Change the uploaded files directory */
public static function upload_dir( $dir ) {
if ( empty( $dir ) ) {
$dir = wp_upload_dir();
}
try {
$dirname = $dir['basedir'] . '/calculated-fields-form';
if ( ! file_exists( $dirname ) ) mkdir( $dirname );
if ( is_dir( $dirname ) ) {
if ( ! file_exists( $dirname . '/.htaccess' ) ) {
try {
file_put_contents( $dirname . '/.htaccess', 'Options -Indexes' );
} catch ( Exception $err ) {}
}
}
} catch ( Exception $err ) {}
$dir['subdir'] = '/calculated-fields-form/uploads' . $dir['subdir'];
$dir['path'] = $dir['basedir'] . $dir['subdir'];
$dir['url'] = $dir['baseurl'] . $dir['subdir'];
return $dir;
} // End upload_dir.
/**
* Sanitizes the value received as parameter, supporting the same posts tags
*
* @since Pro 5.0.235, Dev 5.0.279, Plat 10.0.318
*
* @params mixed $v.
* @return sanitized value.
*/
public static function sanitize( $v, $allow_cff_fields_tags = false, $no_trim = false, $allow_style_tags = false ) {
if ( is_array( $v ) ) {
foreach ( $v as $k => $v2 ) {
$v[ $k ] = self::sanitize( $v2, $allow_cff_fields_tags );
}
} else if( is_string( $v ) ) {
$allowed_tags = wp_kses_allowed_html( 'post' );
if ( is_array( $allowed_tags ) ) {
unset( $allowed_tags['script'] );
unset( $allowed_tags['button'] );
unset( $allowed_tags['radio'] );
unset( $allowed_tags['checkbox'] );
unset( $allowed_tags['select'] );
unset( $allowed_tags['textarea'] );
unset( $allowed_tags['input'] );
unset( $allowed_tags['form'] );
if ( $allow_style_tags ) {
$allowed_tags['style'] = array(
'type' => true,
'media' => true,
);
}
}
add_filter(
'safecss_filter_attr_allow_css',
function ( $allow_css, $css_test_string ) {
if ( preg_match( '/rgb(a)?\(/i', $css_test_string ) ) {
return true;
}
return $allow_css;
},
10,
2
);
/* Replaces the <% and %> symbols to prevent field tags from being removed. */
if ( $allow_cff_fields_tags ) {
$v = str_replace( array( '<%', '%>' ), array( 'cff______%', '%______cff' ), $v );
}
if ( $no_trim ) {
$v = wp_kses( wp_unslash( $v ), $allowed_tags );
} else {
$v = wp_kses( trim( wp_unslash( $v ) ), $allowed_tags );
}
// $v = str_ireplace( '&', '&', $v );
if ( function_exists( 'force_balance_tags' ) ) $v = force_balance_tags( $v );
/* Recovers the <% and %> symbols. */
if ( $allow_cff_fields_tags ) {
$v = str_replace( array( 'cff______%', '%______cff' ), array( '<%', '%>' ), $v );
}
// the str_replace is a patch to solve an issue with the data: part in signature fields.
// that are removed by wp_kse.
$v = str_replace(
array( '"image/svg+xml;base64', '"image/png;base64' ),
array( '"data:image/svg+xml;base64', '"data:image/png;base64' ),
$v
);
}
return $v;
} // End sanitize.
/**
* Removes Bom characters.
*
* @since 1.0.179
*
* @param string $str text to clean.
* @return string.
*/
public static function clean_bom( $str ) {
$bom = pack( 'H*', 'EFBBBF' );
return preg_replace( "/$bom/", '', $str );
} // End clean_bom.
/**
* Converts some characters in a JSON string.
*
* @since 1.0.169
*
* @param string $str JSON string.
* @return string.
*/
public static function clean_json( $str ) {
return str_replace(
array( ' ', "\n", "\r" ),
array( ' ', '\n', '' ),
$str
);
} // End clean_json.
/**
* Set the hook for cleanning the expired transients
*
* @since 1.0.281
*/
public static function clean_transients_hook() {
add_action( 'cpcff_clean_transients', array( 'CPCFF_AUXILIARY', 'clean_transients' ) );
if ( ! wp_next_scheduled( 'cpcff_clean_transients' ) ) {
wp_schedule_event( time() + 5, 'daily', 'cpcff_clean_transients' );
}
} // End clean_transients_hook.
/**
* Clean the expired transients
*
* @since 1.0.281
*/
public static function clean_transients() {
global $wpdb;
$table = $wpdb->options;
// get current PHP time, offset by a minute to avoid clashes with other tasks.
$threshold = time() - MINUTE_IN_SECONDS;
// delete expired transients, using the paired timeout record to find them.
$sql = "
delete from t1, t2
using $table t1
join $table t2 on t2.option_name = replace(t1.option_name, '_timeout', '')
where t1.option_name like '\_transient\_timeout\_%'
and t1.option_value < '$threshold'
";
$wpdb->query( $sql ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
// delete orphaned transient expirations.
$sql = "
delete from $table
where option_name like '\_transient\_timeout\_%'
and option_value < '$threshold'
";
$wpdb->query( $sql ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
} // End clean_transients.
/**
* Decodes a JSON string.
*
* Decode a JSON string, and receive a parameter to apply strip slashes first or not.
*
* @since 1.0.169
*
* @param string $str JSON string.
* @param string $stripcslashes Optional. To apply a stripcslashes to the text before json_decode. Default 'unescape'.
* @return mixed PHP Oject or False.
*/
public static function json_decode( $str, $stripcslashes = 'unescape' ) {
try {
$str = self::clean_json( $str );
if ( 'unescape' == $stripcslashes ) {
$str = stripcslashes( $str );
}
$obj = json_decode( $str );
} catch ( Exception $err ) {
self::write_log( $err ); }
return ( ! empty( $obj ) ) ? $obj : false;
} // End unserialize.
/**
* Returns the real value.
*
* If it is numeric returns the number.
*
* @param mixed $v value.
* @return mixed.
*/
public static function value($v)
{
$ov = $v;
if(is_string($v)) $v = preg_replace('/[^\-\+\d\.]/', '', $v);
if(is_numeric($v)) return $v*1;
return $ov;
} // End value
/**
* Replaces recursively the elements in an array by the elements in another one.
*
* The method will use the PHP function: array_replace_recursive if exists.
*
* @since 1.0.169
*
* @param array $array1 list to replace.
* @param array $array2 replacement list.
* @return array.
*/
public static function array_replace_recursive( $array1, $array2 ) {
// If the array_replace_recursive function exists, use it.
if ( function_exists( 'array_replace_recursive' ) ) {
return array_replace_recursive( $array1, $array2 );
}
foreach ( $array2 as $key1 => $val1 ) {
if ( isset( $array1[ $key1 ] ) ) {
if ( is_array( $val1 ) ) {
foreach ( $val1 as $key2 => $val2 ) {
$array1[ $key1 ][ $key2 ] = $val2;
}
} else {
$array1[ $key1 ] = $val1;
}
} else {
$array1[ $key1 ] = $val1;
}
}
return $array1;
} // End array_replace_recursive.
public static function array_map_recursive( $array, $callback ) {
return array_map(function($value) use ($callback) {
if (is_array($value)) {
return self::recursive_array_map($value, $callback);
} else {
return $callback($value);
}
}, $array);
} // End array_map_recursive
public static function replace_params_into_url( $url, $params = array() ) {
try {
if (
preg_match( '/^<%from_page%>/i', $url, $match ) &&
isset( $params['from_page'] )
) {
$url = preg_replace( '/^<%from_page%>/i', $params['from_page'], $url );
$parts = explode( '?', $url );
$url = array_shift( $parts );
if ( count( $parts ) ) {
$url .= '?' . implode( '&', $parts );
}
}
$parts = parse_url( $url );
if ( ! empty( $parts['query'] ) ) {
parse_str( $parts['query'], $query_params );
if ( ! empty( $query_params ) ) {
foreach ( $query_params as $param_name => $param_value ) {
if ( preg_match_all( '/<%([^%]+)%>/i', $param_value, $matches ) ) {
foreach ( $matches[1] as $index => $fieldname ) {
if ( isset( $params[ $fieldname . '_urls' ] ) ) {
$replacement = $params[ $fieldname . '_url' ];
} elseif ( isset( $params[ $fieldname ] ) ) {
$replacement = $params[ $fieldname ];
} else {
$replacement = '';
}
$param_value = is_scalar($replacement) ? str_replace( $matches[0][ $index ], $replacement, $param_value ) : $replacement;
}
$query_params[ $param_name ] = $param_value;
}
}
$parts['query'] = http_build_query( $query_params );
$url = ( isset( $parts['scheme'] ) ? "{$parts['scheme']}:" : '' ) .
( ( isset( $parts['user'] ) || isset( $parts['host'] ) ) ? '//' : '' ) .
( isset( $parts['user'] ) ? "{$parts['user']}" : '' ) .
( isset( $parts['pass'] ) ? ":{$parts['pass']}" : '' ) .
( isset( $parts['user'] ) ? '@' : '' ) .
( isset( $parts['host'] ) ? "{$parts['host']}" : '' ) .
( isset( $parts['port'] ) ? ":{$parts['port']}" : '' ) .
( isset( $parts['path'] ) ? "{$parts['path']}" : '' ) .
( isset( $parts['query'] ) ? "?{$parts['query']}" : '' ) .
( isset( $parts['fragment'] ) ? "#{$parts['fragment']}" : '' );
}
}
} catch ( Exception $err ) {
error_log( $err->getMessage() );
}
return $url;
} // End replace_params_into_url.
/**
* Applies stripcslashes to the array elements recursively.
*
* The method checks if parameter is an array a text. If it is an array the method is called recursively.
*
* @since 1.0.176
*
* @param mixed $v array or single value.
* @return mixed the array or value with the slashes stripped
*/
public static function stripcslashes_recursive( $v ) {
if ( is_array( $v ) ) {
foreach ( $v as $k => $s ) {
$v[ $k ] = self::stripcslashes_recursive( $s );
}
return $v;
} else {
return stripcslashes( $v );
}
} // End stripcslashes_recursive.
public static function stripscript_recursive( $v ) {
if ( is_array( $v ) ) {
foreach ( $v as $k => $s ) {
$v[ $k ] = self::stripscript_recursive( $s );
}
return $v;
} else {
return preg_replace( array( '/<\s*script\b.*\bscript\s*>/i', '/<\s*script[^>]*>/i', '/(\b)(on[a-z]+)\s*=/i' ), array( '', '', '$1_$2=' ), $v );
}
} // End stripscript_recursive.
/**
* Checks if the website is being visited by a crawler.
*
* Returns true if the website is being visited by a search engine spider,
* and the plugin was configure for hidding the forms front them, else false.
*
* @since 1.0.169
*
* @return bool.
*/
public static function is_crawler() {
return ( isset( $_SERVER['HTTP_USER_AGENT'] ) &&
preg_match( '/bot|crawl|slurp|spider/i', sanitize_text_field( wp_unslash( $_SERVER['HTTP_USER_AGENT'] ) ) ) &&
get_option( 'CP_CALCULATEDFIELDSF_EXCLUDE_CRAWLERS', false )
);
} // End is_crawler.
public static function encrypt($plain)
{
if ( ! function_exists( 'openssl_cipher_iv_length' ) || ! function_exists( 'openssl_encrypt' ) ) {
return $plain;
}
$key = self::_get_key();
$ivlen = openssl_cipher_iv_length("AES-256-CBC");
$iv = substr(md5($key), 0, $ivlen);
$encrypted = openssl_encrypt($plain, "AES-256-CBC", $key, 0, $iv);
return $encrypted ? $encrypted : $plain;
} // End encrypt
public static function decrypt($encrypted, $on_invalid_return = false)
{
if($encrypted)
{
if ( ! function_exists( 'openssl_cipher_iv_length' ) || ! function_exists( 'openssl_decrypt' ) ) {
return $on_invalid_return;
}
$key = self::_get_key();
$ivlen = openssl_cipher_iv_length("AES-256-CBC");
$iv = substr(md5($key), 0, $ivlen);
return openssl_decrypt($encrypted, "AES-256-CBC", $key, 0, $iv);
}
return $on_invalid_return;
} // End decrypt
/**
* Checks if the uploaded file is supported by WordPress and it is not a dangerous file.
*
* Executables and scripts are considered as potencially dangerous files.
*
* @since 1.0.178
*
* @param array $file with the file's name and the temporal name after upload it.
* @return bool.
*/
public static function check_uploaded_file( $file, $allowed = [], $file_size = 0 ) {
$get_extension_from_mime = function( $file_path ) {
$mimeMap = [
// Images
'image/jpeg' => 'jpg',
'image/jpg' => 'jpg',
'image/png' => 'png',
'image/gif' => 'gif',
'image/bmp' => 'bmp',
'image/webp' => 'webp',
'image/svg+xml' => 'svg',
'image/tiff' => 'tiff',
'image/x-icon' => 'ico',
// Documents
'application/pdf' => 'pdf',
'application/msword' => 'doc',
'application/vnd.openxmlformats-officedocument.wordprocessingml.document' => 'docx',
'application/vnd.ms-excel' => 'xls',
'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' => 'xlsx',
'application/vnd.ms-powerpoint' => 'ppt',
'application/vnd.openxmlformats-officedocument.presentationml.presentation' => 'pptx',
'text/plain' => 'txt',
'text/html' => 'html',
'text/css' => 'css',
'text/javascript' => 'js',
'application/json' => 'json',
'text/xml' => 'xml',
'application/xml' => 'xml',
'text/csv' => 'csv',
'application/rtf' => 'rtf',
// Archives
'application/zip' => 'zip',
'application/x-rar-compressed' => 'rar',
'application/x-7z-compressed' => '7z',
'application/x-tar' => 'tar',
'application/gzip' => 'gz',
// Audio
'audio/mpeg' => 'mp3',
'audio/wav' => 'wav',
'audio/ogg' => 'ogg',
'audio/mp4' => 'm4a',
'audio/aac' => 'aac',
'audio/flac' => 'flac',
// Video
'video/mp4' => 'mp4',
'video/avi' => 'avi',
'video/quicktime' => 'mov',
'video/x-msvideo' => 'avi',
'video/webm' => 'webm',
'video/x-flv' => 'flv',
'video/3gpp' => '3gp',
// Programming files
'text/x-php' => 'php',
'text/x-python' => 'py',
'text/x-java-source' => 'java',
'text/x-c' => 'c',
'text/x-c++' => 'cpp',
'application/x-httpd-php' => 'php',
// SECURITY CRITICAL: Server-side executable files
'application/x-php' => 'php',
'text/php' => 'php',
'application/php' => 'php',
'text/x-asp' => 'asp',
'application/x-asp' => 'asp',
'text/asp' => 'asp',
'application/x-aspx' => 'aspx',
'text/x-aspx' => 'aspx',
'application/x-cgi' => 'cgi',
'text/x-cgi' => 'cgi',
'application/x-perl' => 'pl',
'text/x-perl' => 'pl',
'text/x-script.perl' => 'pl',
'application/x-python-code' => 'py',
'text/x-python-script' => 'py',
// Executable files
'application/x-executable' => 'exe',
'application/x-msdownload' => 'exe',
'application/x-msdos-program' => 'exe',
'application/x-winexe' => 'exe',
'application/x-ms-dos-executable' => 'exe',
'application/vnd.microsoft.portable-executable' => 'exe',
'application/x-dosexec' => 'exe',
// Script files
'text/x-shellscript' => 'sh',
'application/x-shellscript' => 'sh',
'text/x-sh' => 'sh',
'application/x-sh' => 'sh',
'text/x-script.sh' => 'sh',
'application/x-javascript' => 'js',
'text/x-vbs' => 'vbs',
'application/x-vbs' => 'vbs',
'text/vbscript' => 'vbs',
'application/x-bat' => 'bat',
'text/x-bat' => 'bat',
'application/x-cmd' => 'cmd',
'text/x-cmd' => 'cmd',
'application/x-powershell' => 'ps1',
'text/x-powershell' => 'ps1',
// Other executable formats
'application/x-debian-package' => 'deb',
'application/vnd.android.package-archive' => 'apk',
'application/java-archive' => 'jar',
'application/x-java-archive' => 'jar',
'application/x-rpm' => 'rpm',
'application/x-msi' => 'msi',
'application/x-ms-installer' => 'msi',
// Other common types
'application/octet-stream' => 'bin',
];
if ( function_exists('finfo_open') ) {
$finfo = finfo_open(FILEINFO_MIME_TYPE);
$mimeType = strtolower( finfo_file( $finfo, $file_path ) );
finfo_close($finfo);
$mimeType = explode(';', $mimeType)[0];
if ( isset( $mimeMap[ $mimeType ] ) ) return $mimeMap[ $mimeType ];
}
return false;
};
$get_extension_from_content = function( $file_path ) {
$handle = fopen($file_path, 'rb');
$header = fread($handle, 1024);
fclose($handle);
// Check for script signatures in content
$scriptSignatures = [
'php' => ['<?php', '<?=', '<?'],
'asp' => ['<%', '<script runat="server"'],
'aspx' => ['<%@', '<%#'],
'perl' => ['#!/usr/bin/perl', '#!/bin/perl'],
'py' => ['#!/usr/bin/python', '#!/bin/python', 'import '],
'sh' => ['#!/bin/sh', '#!/bin/bash'],
'js' => ['<script', 'function(', 'var ', 'let '],
'vbs' => ['WScript.', 'CreateObject('],
];
foreach ( $scriptSignatures as $type => $signatures ) {
foreach ($signatures as $signature) {
if ( stripos($header, $signature ) !== false ) {
return $type;
}
}
}
return false;
};
$filetmp = $file['tmp_name'];
if ( ! file_exists( $filetmp ) ) {
return false;
}
if (
false === ( $filetype = $get_extension_from_mime( $filetmp ) ) &&
false === ( $filetype = $get_extension_from_content( $filetmp ) )
) {
$filename = $file['name'];
// Get file info
$filetype_data = wp_check_filetype( basename( $filename ), null );
$filetype = $filetype_data['ext'];
}
// Excluding dangerous files.
if (
empty( $filetype ) ||
in_array(
$filetype,
['php', 'asp', 'aspx', 'cgi', 'pl', 'perl', 'py', 'exe', 'sh', 'bat', 'cmd', 'vbs', 'ps1', 'js', 'jar', 'msi', 'deb', 'rpm', 'apk', 'bin']
) ||
(
! empty( $allowed ) &&
! in_array( $filetype, $allowed )
)
) {
return false;
}
// Chek file size
if ( ! empty($file_size ) && false !== ( $tmp = filesize( $filetmp ) ) && $file_size * 1024 < $tmp ) {
return false;
}
return true;
} // End check_uploaded_file.
/**
* Adds the attribute: property="stylesheet" to the link tag to validate the link tags into the pages' bodies.
*
* Checks if it is an stylesheet and adds the property if has not been included previously.
*
* @since 1.0.178
*
* @param string $tag the link tag.
* @return string.
*/
public static function complete_link_tag( $tag ) {
if (
preg_match( '/stylesheet/i', $tag ) &&
! preg_match( '/property\s*=/i', $tag )
) {
return str_replace( '/>', ' property="stylesheet" />', $tag );
}
return $tag;
} // End complete_link_tag.
/**
* Creates a new entry in the PHP Error Logs.
*
* @since 1.0.167
*
* @param mixed $log Log message, as text, array or plain object.
* @return void.
*/
public static function write_log( $log ) {
try {
if (
defined( 'WP_DEBUG' ) &&
true == WP_DEBUG
) {
if (
is_array( $log ) ||
is_object( $log )
) {
error_log( print_r( $log, true ) );
} else {
error_log( $log );
}
}
} catch ( Exception $err ) {
error_log( $err->getMessage() );
}
} // End write_log.
/**
* Replaces all special tags in a text with the corresponding fields information and submitted data,
* returning an array with final text, and files submitted with the form.
*
* @param array $fields list of form's fields.
* @param array $params list of submitted fields and their values.
* @param string $text the text to process replacing the fields tags by their labels and values.
* @param string $summary the summary of submitted data stored in database.
* @param string $format to format the output as plain text or html. Values: html, text.
* @param string $postid database id of submitted data.
*
* @return array with the elements: "text" with the formatted text, "files" with the list of submitted files.
*/
public static function parsing_fields_on_text( $fields, $params, $text, $summary, $format, $postid ) {
$text = str_replace( array( '<%', '< %', '< %' ), '<%', $text );
$text = str_replace( array( '%>', '% <', '% >' ), '%>', $text );
$attachments = array();
// Remove empty blocks.
$offset = 0;
while ( preg_match( "/<%\s*(fieldname\d+|final_price|payment_option|payment_status|coupon)_block\s*(?:(?!%>).)*%>/", $text, $matches, 0, $offset ) ) {
$tags = self::_extract_tags( $matches[0] );
$tags = array_pop( $tags );
$tags = array_pop( $tags );
$remove = false;
if ( isset( $params[ $matches[1] ] ) ) {
$tmp_param = $params[ $matches[1] ];
$value = is_array( $tmp_param ) ? implode( ',', $tmp_param ) : $tmp_param;
$value = trim( $value );
if (
'' == $value ||
! ( is_null( $tags['if_value_is_greater_than'] ) || self::value( $tags['if_value_is_greater_than'] ) < self::value( $value ) ) ||
! ( is_null( $tags['if_value_is_greater_than_or_equal_to'] ) || self::value( $tags['if_value_is_greater_than_or_equal_to'] ) <= self::value( $value ) ) ||
! ( is_null( $tags['if_value_is_less_than'] ) || self::value( $value ) < self::value( $tags['if_value_is_less_than'] ) ) ||
! ( is_null( $tags['if_value_is_less_than_or_equal_to'] ) || self::value( $value ) <= self::value( $tags['if_value_is_less_than_or_equal_to'] ) ) ||
! ( is_null( $tags['if_value_is'] ) || $value == $tags['if_value_is'] ) ||
! ( is_null( $tags['if_value_is_not'] ) || $value != $tags['if_value_is_not'] ) ||
! ( is_null( $tags['if_value_like'] ) || preg_match( '/' . preg_quote( $tags['if_value_like'] ) . '/i', $value ) ) ||
! ( is_null( $tags['if_value_unlike'] ) || ! preg_match( '/' . preg_quote( $tags['if_value_unlike'] ) . '/i', $value ) )
) {
$remove = true;
}
} else {
$remove = true;
}
$from = strpos( $text, $matches[ 0 ], $offset );
$length = strlen( $matches[ 0 ] );
if( preg_match( "/<%\s*".$matches[ 1 ]."_endblock\s*%>/", $text, $matches_end ) ) {
$offset = $from + $length;
$to = strpos( $text, $matches_end[ 0 ], $offset );
if( preg_match('/<%\s*'.$matches[ 1 ].'_block/', $text, $check_match, PREG_OFFSET_CAPTURE, $offset ) && $check_match[0][1] < $to ) {
continue;
}
if( $remove ) {
$text = substr_replace( $text, '', $from, $to+strlen( $matches_end[ 0 ] ) - $from );
} else {
$text = substr_replace( $text, '', $to, strlen( $matches_end[ 0 ] ) );
$text = substr_replace( $text, '', $from, $length );
}
} else {
$text = substr_replace( $text, '', $from, strlen( $matches[ 0 ] ) );
}
$offset = 0;
}
// Remove empty nonblocks.
$offset = 0;
while ( preg_match( "/<%\s*(fieldname\d+|final_price|payment_option|payment_status|coupon)_nonblock\s*%>/", $text, $matches, 0, $offset ) ) {
$remove = false;
if ( isset( $params[ $matches[1] ] ) ) {
$tmp_param = $params[ $matches[1] ];
$value = is_array( $tmp_param ) ? implode( ',', $tmp_param ) : $tmp_param;
$value = trim( $value );
if ( '' != $value ) {
$remove = true;
}
}
$from = strpos( $text, $matches[ 0 ], $offset );
$length = strlen( $matches[ 0 ] );
if( preg_match( "/<%\s*".$matches[ 1 ]."_endnonblock\s*%>/", $text, $matches_end ) ) {
$offset = $from + $length;
$to = strpos( $text, $matches_end[ 0 ], $offset );
if( preg_match('/<%\s*'.$matches[ 1 ].'_nonblock/', $text, $check_match, PREG_OFFSET_CAPTURE, $offset ) && $check_match[0][1] < $to ) {
continue;
}
if( $remove ) {
$text = substr_replace( $text, '', $from, $to+strlen( $matches_end[ 0 ] ) - $from );
} else {
$text = substr_replace( $text, '', $to, strlen( $matches_end[ 0 ] ) );
$text = substr_replace( $text, '', $from, $length );
}
} else {
$text = substr_replace( $text, '', $from, strlen( $matches[ 0 ] ) );
}
$offset = 0;
}
$tags = self::_extract_tags( $text );
if ( 'html' == $format ) {
$text = str_replace( "\n", '', $text );
}
// Replace the INFO tags.
if ( ! empty( $tags['info'] ) ) {
foreach ( $tags['info'] as $tagData ) {
$summary_copy = $summary;
if ( $tagData[ 'if_not_empty' ] ) {
do{
$tmp = $summary_copy;
$summary_copy = preg_replace(
array(
"/^[^\n]*:{1,2}\s*\n/",
"/\n[^\n]*:{1,2}\s*\n/",
"/\n[^\n]*:{1,2}\s*$/"
),
array(
"",
"\n",
""
),
$summary_copy
);
}while( $summary_copy <> $tmp );
}
if ( isset( $tagData[ 'if_value_is_not' ] ) && ! is_null( $tagData[ 'if_value_is_not' ] ) ) {
do{
$tmp = $summary_copy;
$summary_copy = preg_replace(
array(
"/^[^\n]*:{1,2}\s*" . preg_quote( $tagData[ 'if_value_is_not' ], '/' ) . "\s*\n/",
"/\n[^\n]*:{1,2}\s*" . preg_quote( $tagData[ 'if_value_is_not' ], '/' ) . "\s*\n/",
"/\n[^\n]*:{1,2}\s*" . preg_quote( $tagData[ 'if_value_is_not' ], '/' ) . "\s*$/"
),
array(
"",
"\n",
""
),
$summary_copy
);
}while( $summary_copy <> $tmp );
}
self::_single_replacement( $tagData, $summary_copy, $text );
}
unset( $tags['info'] );
}
foreach ( $params as $item => $value ) {
$value_bk = $value;
if ( 'submissiondate_mmddyyyy' == $item || 'submissiondate_ddmmyyyy' == $item ) {
if ( ! empty( $value ) && is_string( $value ) ) {
$value = explode( ' ', $value );
$value = $value[0];
}
}
if ( $item == 'final_price' && ! empty( $params['final_price_formatted'] ) ) {
$value = $params['final_price_formatted'];
}
if ( isset( $tags[ $item ] ) ) {
$label = ( isset( $fields[ $item ] ) && property_exists( $fields[ $item ], 'title' ) ) ? $fields[ $item ]->title : '';
$shortlabel = ( isset( $fields[ $item ] ) && property_exists( $fields[ $item ], 'shortlabel' ) ) ? $fields[ $item ]->shortlabel : '';
$value = ( ! empty( $value ) || is_numeric( $value ) && 0 == $value ) ? ( ( is_array( $value ) ) ? implode( ( ! empty( $tags[ $item ][0] ) && ! empty( $tags[ $item ][0]['choices_separator'] ) ? $tags[ $item ][0]['choices_separator'] : ", " ), $value ) : $value ) : '';
foreach ( $tags[ $item ] as $tagData ) {
if (
( is_null( $tagData['if_value_is_greater_than'] ) || self::value( $tagData['if_value_is_greater_than'] ) < self::value( $value ) ) &&
( is_null( $tagData['if_value_is_greater_than_or_equal_to'] ) || self::value( $tagData['if_value_is_greater_than_or_equal_to'] ) <= self::value( $value ) ) &&
( is_null( $tagData['if_value_is_less_than'] ) || self::value( $value ) < self::value( $tagData['if_value_is_less_than'] ) ) &&
( is_null( $tagData['if_value_is_less_than_or_equal_to'] ) || self::value( $value ) <= self::value( $tagData['if_value_is_less_than_or_equal_to'] ) ) &&
( is_null( $tagData['if_value_is'] ) || $value == $tagData['if_value_is'] ) &&
( is_null( $tagData['if_value_is_not'] ) || $value != $tagData['if_value_is_not'] ) &&
( is_null( $tagData['if_value_like'] ) || preg_match( '/' . preg_quote( $tagData['if_value_like'] ) . '/i', $value ) ) &&
( is_null( $tagData['if_value_unlike'] ) || ! preg_match( '/' . preg_quote( $tagData['if_value_unlike'] ) . '/i', $value ) ) &&
( 0 == $tagData['if_not_empty'] || '' !== $value )
) {
switch ( $tagData['tag'] ) {
case $item:
if ( strtolower( $item ) == 'itemnumber' ) {
self::_single_replacement(
$tagData,
($postid ? ((isset($tagData['length']) && is_numeric($tagData['length'])) ? sprintf("%0{$tagData['length']}d", $postid) : $postid) : ''),
$text
);
break;
}
if ( preg_match( '/_url(s?)$/i', $item ) && ! empty( $tagData['in_tag'] ) ) {
$file_fieldname = explode( '_', $item)[0];
$_names = [];
if ( ! empty( $params[ $file_fieldname . '_name' ] ) ) {
$_names = $params[ $file_fieldname . '_name' ];
}
$value = preg_split( '/\n+/', $value );
$in_tag = strtolower( $tagData['in_tag'] );
switch ( $in_tag ) {
case 'img':
case '<img>':
foreach ( $value as $_i => $_url ) {
$_alt = '';
if ( ! empty( $_names ) && ! empty( $_names[ $_i ] ) ) {
$_alt = ' alt="' . esc_attr( $_names[ $_i ] ) . '"';
}
$value[ $_i ] = ( ! empty( $_url ) && @is_array( getimagesize( $_url ) ) ) ? '<img src="' . esc_attr( $_url ) . '"' . $_alt . '>' : $_url;
}
break;
case 'a':
case '<a>':
foreach ( $value as $_i => $_url ) {
$_text = ( ! empty( $tagData['text'] ) && strtolower($tagData['text']) == 'name' && ! empty( $_names ) && ! empty( $_names[ $_i ] ) ) ? $_names[ $_i ] : $_url;
$value[ $_i ] = '<a href="' . esc_attr( $_url ) . '">' . esc_html( $_text ) . '</a>';
}
break;
}
$value = implode( "\n", $value );
}
self::_single_replacement( $tagData, $label . $tagData['separator'] . $value, $text );
break;
case $item . '_label':
self::_single_replacement( $tagData, $label, $text );
break;
case $item . '_value':
self::_single_replacement( $tagData, $value, $text );
break;
case $item . '_shortlabel':
self::_single_replacement( $tagData, $shortlabel, $text );
break;
}
} else {
$text = str_replace( $tagData['node'], '', $text );
}
}
unset( $tags[ $item ] );
}
if ( preg_match( "/_link\b/i", $item ) ) {
$attachments = array_merge( $attachments, $value_bk );
}
}
// To include the fCommentArea or fSectionBreak.
foreach ( $tags as $tag ) {
foreach ( $tag as $tagData ) {
if ( preg_match( '/fieldname\d+/i', $tagData['tag'], $item ) ) {
$item = $item[0];
if ( isset( $fields[ $item ] ) && ( 'fCommentArea' == $fields[ $item ]->ftype || 'fSectionBreak' == $fields[ $item ]->ftype ) ) {
$label = ( property_exists( $fields[ $item ], 'title' ) ) ? $fields[ $item ]->title : '';
$shortlabel = ( property_exists( $fields[ $item ], 'shortlabel' ) ) ? $fields[ $item ]->shortlabel : '';
switch ( $tagData['tag'] ) {
case $item:
case $item . '_label':
case $item . '_value':
self::_single_replacement( $tagData, $label, $text );
break;
case $item . '_shortlabel':
self::_single_replacement( $tagData, $shortlabel, $text );
break;
}
unset( $tags[ $item ] );
}
} elseif ( preg_match( '/itemnumber/i', $tagData['tag'] ) ) {
self::_single_replacement(
$tagData,
( $postid ? ( ( isset( $tagData['length'] ) && is_numeric( $tagData['length'] ) ) ? sprintf( "%0{$tagData['length']}d", $postid ) : $postid ) : '' ), // phpcs:ignore WordPress.NamingConventions.ValidVariableName.InterpolatedVariableNotSnakeCase
$text
);
}
}
}
self::_array_replacement( $tags, 'formid', ( ( ! empty( $params['formid'] ) ) ? $params['formid'] : '' ), $text );
self::_array_replacement( $tags, 'from_page', ( ( ! empty( $params['from_page'] ) ) ? $params['from_page'] : '' ), $text );
if ( ! empty( $params['formid'] ) ) {
$form_obj = new CPCFF_FORM( $params['formid'] );
$thanks_page = $form_obj->get_option( 'fp_return_page', '/', $postid );
}
self::_array_replacement( $tags, 'thank_you_page', ( ! empty( $thanks_page ) ? $thanks_page : '' ), $text );
self::_array_replacement( $tags, 'currentdate_mmddyyyy', gmdate( 'm/d/Y' ), $text );
self::_array_replacement( $tags, 'currentdate_ddmmyyyy', gmdate( 'd/m/Y' ), $text );
self::_array_replacement( $tags, 'currenttime', gmdate( 'H:i:s' ), $text );
self::_array_replacement( $tags, 'submissiondate_mmddyyyy', ( ( ! empty( $fields['submission_datetime'] ) ) ? gmdate( 'm/d/Y', strtotime( $fields['submission_datetime'] ) ) : '' ), $text );
self::_array_replacement( $tags, 'submissiondate_ddmmyyyy', ( ( ! empty( $fields['submission_datetime'] ) ) ? gmdate( 'd/m/Y', strtotime( $fields['submission_datetime'] ) ) : '' ), $text );
self::_array_replacement( $tags, 'submissiontime', ( ( ! empty( $fields['submission_datetime'] ) ) ? gmdate( 'H:i:s', strtotime( $fields['submission_datetime'] ) ) : '' ), $text );
self::_array_replacement( $tags, 'payment_status', ( ( isset( $fields['paid'] ) ) ? ( ( $fields['paid'] * 1 ) ? __( 'Paid', 'calculated-fields-form' ) : __( 'Not Paid', 'calculated-fields-form' ) ) : '' ), $text );
self::_array_replacement( $tags, 'ipaddress', ( ( ! empty( $fields['ipaddr'] ) ) ? $fields['ipaddr'] : '' ), $text );
self::_array_replacement( $tags, 'form_name', ( ( ! empty( $form_obj ) ) ? $form_obj->get_option( 'form_name', '' ) : '' ), $text );
$form_title = '';
$form_description = '';
if ( ! empty( $form_obj ) ) {
$form_structure = $form_obj->get_option( 'form_structure', array() );
if (
! empty( $form_structure ) &&
! empty( $form_structure[1] )
) {
if ( is_object( $form_structure[1] ) ) {
$form_structure[1] = (array) $form_structure[1];
}
if (
! empty( $form_structure[1][0] ) &&
is_object( $form_structure[1][0] )
) {
if ( property_exists( $form_structure[1][0], 'title' ) ) {
$form_title = $form_structure[1][0]->title;
}
if ( property_exists( $form_structure[1][0], 'description' ) ) {
$form_description = $form_structure[1][0]->description;
}
}
}
}
self::_array_replacement( $tags, 'form_title', $form_title, $text );
self::_array_replacement( $tags, 'form_description', $form_description, $text );
self::_array_replacement( $tags, 'subscription_id', ( ( ! empty( $params['subscr_id'] ) ) ? $params['subscr_id'] : '' ), $text );
self::_array_replacement( $tags, 'transaction_id', ( ( ! empty( $params['txn_id'] ) ) ? $params['txn_id'] : '' ), $text );
self::_array_replacement( $tags, 'couponcode', ( ( ! empty( $params['couponcode'] ) ) ? $params['couponcode'] : '' ), $text );
self::_array_replacement( $tags, 'coupon', ( ( ! empty( $params['coupon'] ) ) ? $params['coupon'] : '' ), $text );
foreach ( $tags as $tagArr ) {
foreach ( $tagArr as $tagData ) {
$text = str_replace( $tagData['node'], '', $text );
}
}
if ( 'html' == $format ) {
$base_code = [];
while ( preg_match( '/<script\b[^>]*>(.*?)<\/script>/is', $text, $matches ) ) {
$index = count( $base_code );
$base_code[] = $matches[0];
$text = str_replace( $matches[0], 'cff-javascript-block-placeholder-' . $index, $text );
}
$text = str_replace( "\n", '<br>', $text );
foreach ( $base_code as $index => $base_code_block ) {
$text = str_replace( 'cff-javascript-block-placeholder-' . $index, $base_code_block, $text );
}
}
$text = apply_filters( 'cpcff_custom_tags', $text, $postid );
if ( 'html' !== $format ) {
$text = htmlspecialchars_decode( $text ); // 2024-12-30
}
return array(
'text' => $text,
'files' => $attachments,
);
} // End parsing_fields_on_text.
/*********************************** PRIVATE METHODS ********************************************/
private static function _get_key()
{
$cpcff_key = get_option('cpcff_key', false);
if($cpcff_key == false)
{
$cpcff_key = wp_generate_password();
update_option('cpcff_key', $cpcff_key);
}
return $cpcff_key;
} // End _get_key
/**
* Extracts all tags with the format <%...%> from the text.
*
* @since 1.0.181
* @param string $text text that includes the special tags.
* @return array multidimensional associative array, whose index are the tags name,
* and the internal arrays include the elements
*
* - node, the literal tag.
* - tag, the tag's name: fieldname#, fieldname#_label, fieldname#_value, info, ...
* - if_not_empty, determines if the "if_not_empty" restriction is in the special tag or not.
* - before, the value of "before" attribute in the tag.
* - after, the value of "after" attribute in the tag.
* - separator, the value of "separator" attribute in the tag, symbol to separate the field's label and value.
* - in_tag, used with the fields tags: _url and _urls, the value would be the HTML tag with use the URLs.
*/
private static function _extract_tags( $text ) {
$tags_arr = array();
if (
preg_match_all(
"/<%(info|fieldname\d+|fieldname\d+_label|fieldname\d+_block|fieldname\d+_endblock|fieldname\d+_shortlabel|fieldname\d+_value|fieldname\d+_url|fieldname\d+_urls|fieldname\d+_path|fieldname\d+_paths|coupon|coupon_block|coupon_endblock|couponcode|itemnumber|formid|subscription_id|transaction_id|final_price|final_price_block|final_price_endblock|payment_option|payment_option_block|payment_option_endblock|ipaddress|from_page|form_name|form_title|form_description|thank_you_page|currentdate_mmddyyyy|currentdate_ddmmyyyy|currenttime|submissiondate_mmddyyyy|submissiondate_ddmmyyyy|submissiontime|payment_status|payment_status_block|payment_status_endblock)\b(?:(?!%>).)*%>/i",
$text,
$matches
)
) {
$tag = array();
foreach ( $matches[0] as $index => $value ) {
$tag['node'] = $value;
$tag['tag'] = strtolower( $matches[1][ $index ] );
$tag['if_not_empty'] = preg_match( '/if_not_empty/i', $value );
$tag['if_value_is_greater_than'] = ( preg_match( '/if_value_is_greater_than\s*=\s*\{\{((?:(?!\}\}).)*)\}\}/i', $value, $match ) ) ? $match[1] : null;
$tag['if_value_is_greater_than_or_equal_to'] = ( preg_match( '/if_value_is_greater_than_or_equal_to\s*=\s*\{\{((?:(?!\}\}).)*)\}\}/i', $value, $match ) ) ? $match[1] : null;
$tag['if_value_is_less_than'] = ( preg_match( '/if_value_is_less_than\s*=\s*\{\{((?:(?!\}\}).)*)\}\}/i', $value, $match ) ) ? $match[1] : null;
$tag['if_value_is_less_than_or_equal_to'] = ( preg_match( '/if_value_is_less_than_or_equal_to\s*=\s*\{\{((?:(?!\}\}).)*)\}\}/i', $value, $match ) ) ? $match[1] : null;
$tag['if_value_is'] = ( preg_match( '/if_value_is\s*=\s*\{\{((?:(?!\}\}).)*)\}\}/i', $value, $match ) ) ? $match[1] : null;
$tag['if_value_is_not'] = ( preg_match( '/if_value_is_not\s*=\s*\{\{((?:(?!\}\}).)*)\}\}/i', $value, $match ) ) ? $match[1] : null;
$tag['if_value_like'] = ( preg_match( '/if_value_like\s*=\s*\{\{((?:(?!\}\}).)*)\}\}/i', $value, $match ) ) ? $match[1] : null;
$tag['if_value_unlike'] = ( preg_match( '/if_value_unlike\s*=\s*\{\{((?:(?!\}\}).)*)\}\}/i', $value, $match ) ) ? $match[1] : null;
$tag['before'] = ( preg_match( '/before\s*=\s*\{\{((?:(?!\}\}).)*)\}\}/i', $value, $match ) ) ? $match[1] : '';
$tag['after'] = ( preg_match( '/after\s*=\s*\{\{((?:(?!\}\}).)*)\}\}/i', $value, $match ) ) ? $match[1] : '';
$tag['choices_separator'] = ( preg_match( "/choices_separator\s*=\s*\{\{((?:(?!\}\}).)*)\}\}/i", $value, $match ) ) ? $match[1] : '';
$tag['separator'] = ( preg_match( '/\bseparator\s*=\s*\{\{((?:(?!\}\}).)*)\}\}/i', $value, $match ) ) ? $match[1] : '';
$tag['in_tag'] = ( preg_match( '/in_tag\s*=\s*\{\{((?:(?!\}\}).)*)\}\}/i', $value, $match ) ) ? trim( $match[1] ) : '';
$tag[ 'text' ] = ( preg_match( "/text\s*=\s*\{\{((?:(?!\}\}).)*)\}\}/i", $value, $match ) ) ? trim( $match[ 1 ] ) : '';
$tag['callback'] = ( preg_match( '/callback\s*=\s*\{\{((?:(?!\}\}).)*)\}\}/i', $value, $match ) ) ? trim( $match[1] ) : '';
$tag['length'] = ( preg_match( '/length\s*=\s*\{\{((?:(?!\}\}).)*)\}\}/i', $value, $match ) ) ? trim( $match[1] ) : '';
// The base tag is the index of $tags_arr, for the tags' names with the structure fieldname#_.
// .., the index would be simply fieldname#.
$baseTag = ( preg_match( '/(fieldname\d+)_(label|value|shortlabel)/i', $tag['tag'], $match ) ) ? $match[1] : $tag['tag'];
if ( empty( $tags_arr[ $baseTag ] ) ) {
$tags_arr[ $baseTag ] = array();
}
$tags_arr[ $baseTag ][] = $tag;
}
}
return $tags_arr;
} // End _extract_tags.
/**
* Replaces the special tags in the text by the corresponding replacements
*
* @since 1.0.181
* @param array reference &$tags multidimensional associative array, whose index are the tags name,
* and the internal arrays include the elements
*
* - node, the literal tag.
* - tag, the tag's name: fieldname#, fieldname#_label, fieldname#_value, info, ...
* - if_not_empty, determines if the "if_not_empty" restriction is in the special tag or not.
* - before, the value of "before" attribute in the tag.
* - after, the value of "after" attribute in the tag.
* - separator, the value of "separator" attribute in the tag, symbol to separate the field's label and value.
* @param string $tagName the tag's name: formi, itemnumber, currentdate_mmddyyyy, currentdate_ddmmyyyy,
* ipaddress, couponcode, etc.
* @param string $replacement the value uses to replace the special tag into the text.
* @param string reference &$text text to be processed.
* @return void.
*/
private static function _array_replacement( &$tags, $tagName, $replacement, &$text ) {
if ( isset( $tags[ $tagName ] ) ) {
foreach ( $tags[ $tagName ] as $tagData ) {
self::_date_replacement( $tagData, $replacement );
$text = str_replace( $tagData['node'], $tagData['before'] . $replacement . $tagData['after'], $text );
}
unset( $tags[ $tagName ] );
}
} // End _array_replacement.
/**
* Replaces a special tags in the text by the corresponding replacement
*
* @since 1.0.181
* @param array $tagData associative array with the indexes
*
* - node, the literal tag.
* - tag, the tag's name: fieldname#, fieldname#_label, fieldname#_value, info, ...
* - if_not_empty, determines if the "if_not_empty" restriction is in the special tag or not.
* - before, the value of "before" attribute in the tag.
* - after, the value of "after" attribute in the tag.
* - separator, the value of "separator" attribute in the tag, symbol to separate the field's label and value.
* @param string $replacement the value uses to replace the special tag into the text.
* @param string reference &$text text to be processed.
* @return void.
*/
private static function _single_replacement( $tagData, $replacement, &$text ) {
$allowed_callbacks = array(
// Escape functions.
'esc_html',
'esc_url',
'esc_url_raw',
'esc_js',
'esc_attr',
'esc_textarea',
// Sanitization functions.
'sanitize_email',
'sanitize_file_name',
'sanitize_html_class',
'sanitize_key',
'sanitize_meta',
'sanitize_mime_type',
'sanitize_option',
'sanitize_sql_orderby',
'sanitize_text_field',
'sanitize_title',
'sanitize_title_for_query',
'sanitize_title_with_dashes',
'sanitize_user',
'wp_filter_post_kses',
'wp_filter_nohtml_kses',
);
if (
! empty( $tagData['callback'] ) &&
function_exists( $tagData['callback'] ) &&
in_array( $tagData['callback'], $allowed_callbacks )
) {
$replacement = $tagData['callback']( $replacement );
}
self::_date_replacement( $tagData, $replacement );
$text = str_replace( $tagData['node'], $tagData['before'] . $replacement . $tagData['after'], $text );
} // End _single_replacement.
private static function _date_replacement( $tagData, &$replacement ) {
if (
isset( $tagData['tag'] ) &&
in_array(
$tagData['tag'],
array( 'currentdate_mmddyyyy', 'currentdate_ddmmyyyy', 'submissiondate_mmddyyyy', 'submissiondate_ddmmyyyy' )
)
) {
if ( ! empty( $tagData['separator'] ) ) {
$replacement = str_replace( '/', $tagData['separator'], trim( $replacement, $tagData['separator'] ) );
}
}
} // End _date_replacement.
} // End CPCFF_AUXILIARY.
}
ob_start();
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