X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/98a4d31e52bd56c908617df281730bd4ba58d110..446fc046ca303b25776b07134407239bdeafa3e6:/wp-admin/includes/misc.php?ds=sidebyside diff --git a/wp-admin/includes/misc.php b/wp-admin/includes/misc.php index 356c6b00..4efb1d0b 100644 --- a/wp-admin/includes/misc.php +++ b/wp-admin/includes/misc.php @@ -7,24 +7,61 @@ */ /** - * {@internal Missing Short Description}} + * Returns whether the server is running Apache with the mod_rewrite module loaded. * - * @since unknown + * @since 2.0.0 * - * @return unknown + * @return bool */ function got_mod_rewrite() { $got_rewrite = apache_mod_loaded('mod_rewrite', true); - return apply_filters('got_rewrite', $got_rewrite); + + /** + * Filter whether Apache and mod_rewrite are present. + * + * This filter was previously used to force URL rewriting for other servers, + * like nginx. Use the got_url_rewrite filter in got_url_rewrite() instead. + * + * @since 2.5.0 + * + * @see got_url_rewrite() + * + * @param bool $got_rewrite Whether Apache and mod_rewrite are present. + */ + return apply_filters( 'got_rewrite', $got_rewrite ); } /** - * {@internal Missing Short Description}} + * Returns whether the server supports URL rewriting. + * + * Detects Apache's mod_rewrite, IIS 7.0+ permalink support, and nginx. * - * @since unknown + * @since 3.7.0 * - * @param unknown_type $filename - * @param unknown_type $marker + * @global bool $is_nginx + * + * @return bool Whether the server supports URL rewriting. + */ +function got_url_rewrite() { + $got_url_rewrite = ( got_mod_rewrite() || $GLOBALS['is_nginx'] || iis7_supports_permalinks() ); + + /** + * Filter whether URL rewriting is available. + * + * @since 3.7.0 + * + * @param bool $got_url_rewrite Whether URL rewriting is available. + */ + return apply_filters( 'got_url_rewrite', $got_url_rewrite ); +} + +/** + * Extracts strings from between the BEGIN and END markers in the .htaccess file. + * + * @since 1.5.0 + * + * @param string $filename + * @param string $marker * @return array An array of strings from a file (.htaccess ) from between BEGIN and END markers. */ function extract_from_markers( $filename, $marker ) { @@ -51,64 +88,99 @@ function extract_from_markers( $filename, $marker ) { } /** - * {@internal Missing Short Description}} - * * Inserts an array of strings into a file (.htaccess ), placing it between - * BEGIN and END markers. Replaces existing marked info. Retains surrounding + * BEGIN and END markers. + * + * Replaces existing marked info. Retains surrounding * data. Creates file if none exists. * - * @since unknown + * @since 1.5.0 * - * @param unknown_type $filename - * @param unknown_type $marker - * @param unknown_type $insertion + * @param string $filename Filename to alter. + * @param string $marker The marker to alter. + * @param array|string $insertion The new content to insert. * @return bool True on write success, false on failure. */ function insert_with_markers( $filename, $marker, $insertion ) { - if (!file_exists( $filename ) || is_writeable( $filename ) ) { - if (!file_exists( $filename ) ) { - $markerdata = ''; - } else { - $markerdata = explode( "\n", implode( '', file( $filename ) ) ); + if ( ! file_exists( $filename ) ) { + if ( ! is_writable( dirname( $filename ) ) ) { + return false; } - - if ( !$f = @fopen( $filename, 'w' ) ) + if ( ! touch( $filename ) ) { return false; + } + } elseif ( ! is_writeable( $filename ) ) { + return false; + } - $foundit = false; - if ( $markerdata ) { - $state = true; - foreach ( $markerdata as $n => $markerline ) { - if (strpos($markerline, '# BEGIN ' . $marker) !== false) - $state = false; - if ( $state ) { - if ( $n + 1 < count( $markerdata ) ) - fwrite( $f, "{$markerline}\n" ); - else - fwrite( $f, "{$markerline}" ); - } - if (strpos($markerline, '# END ' . $marker) !== false) { - fwrite( $f, "# BEGIN {$marker}\n" ); - if ( is_array( $insertion )) - foreach ( $insertion as $insertline ) - fwrite( $f, "{$insertline}\n" ); - fwrite( $f, "# END {$marker}\n" ); - $state = true; - $foundit = true; - } - } + if ( ! is_array( $insertion ) ) { + $insertion = explode( "\n", $insertion ); + } + + $start_marker = "# BEGIN {$marker}"; + $end_marker = "# END {$marker}"; + + $fp = fopen( $filename, 'r+' ); + if ( ! $fp ) { + return false; + } + + // Attempt to get a lock. If the filesystem supports locking, this will block until the lock is acquired. + flock( $fp, LOCK_EX ); + + $lines = array(); + while ( ! feof( $fp ) ) { + $lines[] = rtrim( fgets( $fp ), "\r\n" ); + } + + // Split out the existing file into the preceeding lines, and those that appear after the marker + $pre_lines = $post_lines = $existing_lines = array(); + $found_marker = $found_end_marker = false; + foreach ( $lines as $line ) { + if ( ! $found_marker && false !== strpos( $line, $start_marker ) ) { + $found_marker = true; + continue; + } elseif ( ! $found_end_marker && false !== strpos( $line, $end_marker ) ) { + $found_end_marker = true; + continue; } - if (!$foundit) { - fwrite( $f, "\n# BEGIN {$marker}\n" ); - foreach ( $insertion as $insertline ) - fwrite( $f, "{$insertline}\n" ); - fwrite( $f, "# END {$marker}\n" ); + if ( ! $found_marker ) { + $pre_lines[] = $line; + } elseif ( $found_marker && $found_end_marker ) { + $post_lines[] = $line; + } else { + $existing_lines[] = $line; } - fclose( $f ); + } + + // Check to see if there was a change + if ( $existing_lines === $insertion ) { + flock( $fp, LOCK_UN ); + fclose( $fp ); + return true; - } else { - return false; } + + // Generate the new file data + $new_file_data = implode( "\n", array_merge( + $pre_lines, + array( $start_marker ), + $insertion, + array( $end_marker ), + $post_lines + ) ); + + // Write to the start of the file, and truncate it to that length + fseek( $fp, 0 ); + $bytes = fwrite( $fp, $new_file_data ); + if ( $bytes ) { + ftruncate( $fp, ftell( $fp ) ); + } + fflush( $fp ); + flock( $fp, LOCK_UN ); + fclose( $fp ); + + return (bool) $bytes; } /** @@ -117,16 +189,23 @@ function insert_with_markers( $filename, $marker, $insertion ) { * Always writes to the file if it exists and is writable to ensure that we * blank out old rules. * - * @since unknown + * @since 1.5.0 + * + * @global WP_Rewrite $wp_rewrite */ function save_mod_rewrite_rules() { + if ( is_multisite() ) + return; + global $wp_rewrite; $home_path = get_home_path(); $htaccess_file = $home_path.'.htaccess'; - // If the file doesn't already exists check for write access to the directory and whether of not we have some rules. - // else check for write access to the file. + /* + * If the file doesn't already exist check for write access to the directory + * and whether we have some rules. Else check for write access to the file. + */ if ((!file_exists($htaccess_file) && is_writable($home_path) && $wp_rewrite->using_mod_rewrite_permalinks()) || is_writable($htaccess_file)) { if ( got_mod_rewrite() ) { $rules = explode( "\n", $wp_rewrite->mod_rewrite_rules() ); @@ -143,34 +222,37 @@ function save_mod_rewrite_rules() { * * @since 2.8.0 * + * @global WP_Rewrite $wp_rewrite + * * @return bool True if web.config was updated successfully */ function iis7_save_url_rewrite_rules(){ + if ( is_multisite() ) + return; + global $wp_rewrite; $home_path = get_home_path(); $web_config_file = $home_path . 'web.config'; // Using win_is_writable() instead of is_writable() because of a bug in Windows PHP - if ( ( ! file_exists($web_config_file) && win_is_writable($home_path) && $wp_rewrite->using_mod_rewrite_permalinks() ) || win_is_writable($web_config_file) ) { - if ( iis7_supports_permalinks() ) { - $rule = $wp_rewrite->iis7_url_rewrite_rules(); - if ( ! empty($rule) ) { - return iis7_add_rewrite_rule($web_config_file, $rule); - } else { - return iis7_delete_rewrite_rule($web_config_file); - } + if ( iis7_supports_permalinks() && ( ( ! file_exists($web_config_file) && win_is_writable($home_path) && $wp_rewrite->using_mod_rewrite_permalinks() ) || win_is_writable($web_config_file) ) ) { + $rule = $wp_rewrite->iis7_url_rewrite_rules(false, '', ''); + if ( ! empty($rule) ) { + return iis7_add_rewrite_rule($web_config_file, $rule); + } else { + return iis7_delete_rewrite_rule($web_config_file); } } return false; } /** - * {@internal Missing Short Description}} + * Update the "recently-edited" file for the plugin or theme editor. * - * @since unknown + * @since 1.5.0 * - * @param unknown_type $file + * @param string $file */ function update_recently_edited( $file ) { $oldfiles = (array ) get_option( 'recently_edited' ); @@ -188,86 +270,75 @@ function update_recently_edited( $file ) { } /** - * If siteurl or home changed, flush rewrite rules. + * Flushes rewrite rules if siteurl, home or page_on_front changed. * - * @since unknown + * @since 2.1.0 * - * @param unknown_type $old_value - * @param unknown_type $value + * @param string $old_value + * @param string $value */ function update_home_siteurl( $old_value, $value ) { - global $wp_rewrite; - - if ( defined( "WP_INSTALLING" ) ) + if ( wp_installing() ) return; - // If home changed, write rewrite rules to new location. - $wp_rewrite->flush_rules(); + if ( is_multisite() && ms_is_switched() ) { + delete_option( 'rewrite_rules' ); + } else { + flush_rewrite_rules(); + } } -add_action( 'update_option_home', 'update_home_siteurl', 10, 2 ); -add_action( 'update_option_siteurl', 'update_home_siteurl', 10, 2 ); /** - * {@internal Missing Short Description}} - * - * @since unknown + * Resets global variables based on $_GET and $_POST * - * @param unknown_type $url - * @return unknown - */ -function url_shorten( $url ) { - $short_url = str_replace( 'http://', '', stripslashes( $url )); - $short_url = str_replace( 'www.', '', $short_url ); - if ('/' == substr( $short_url, -1 )) - $short_url = substr( $short_url, 0, -1 ); - if ( strlen( $short_url ) > 35 ) - $short_url = substr( $short_url, 0, 32 ).'...'; - return $short_url; -} - -/** - * {@internal Missing Short Description}} + * This function resets global variables based on the names passed + * in the $vars array to the value of $_POST[$var] or $_GET[$var] or '' + * if neither is defined. * - * @since unknown + * @since 2.0.0 * - * @param unknown_type $vars + * @param array $vars An array of globals to reset. */ function wp_reset_vars( $vars ) { - for ( $i=0; $iget_error_data() ) + if ( is_wp_error($message) ){ + if ( $message->get_error_data() && is_string( $message->get_error_data() ) ) $message = $message->get_error_message() . ': ' . $message->get_error_data(); else $message = $message->get_error_message(); } echo "

$message

\n"; + wp_ob_end_flush_all(); + flush(); } +/** + * @since 2.8.0 + * + * @param string $content + * @return array + */ function wp_doc_link_parse( $content ) { if ( !is_string( $content ) || empty( $content ) ) return array(); @@ -276,11 +347,15 @@ function wp_doc_link_parse( $content ) { return array(); $tokens = token_get_all( $content ); + $count = count( $tokens ); $functions = array(); $ignore_functions = array(); - for ( $t = 0, $count = count( $tokens ); $t < $count; $t++ ) { - if ( !is_array( $tokens[$t] ) ) continue; - if ( T_STRING == $tokens[$t][0] && ( '(' == $tokens[ $t + 1 ] || '(' == $tokens[ $t + 2 ] ) ) { + for ( $t = 0; $t < $count - 2; $t++ ) { + if ( ! is_array( $tokens[ $t ] ) ) { + continue; + } + + if ( T_STRING == $tokens[ $t ][0] && ( '(' == $tokens[ $t + 1 ] || '(' == $tokens[ $t + 2 ] ) ) { // If it's a function or class defined locally, there's not going to be any docs available if ( ( isset( $tokens[ $t - 2 ][1] ) && in_array( $tokens[ $t - 2 ][1], array( 'function', 'class' ) ) ) || ( isset( $tokens[ $t - 2 ][0] ) && T_OBJECT_OPERATOR == $tokens[ $t - 1 ][0] ) ) { $ignore_functions[] = $tokens[$t][1]; @@ -292,7 +367,16 @@ function wp_doc_link_parse( $content ) { $functions = array_unique( $functions ); sort( $functions ); + + /** + * Filter the list of functions and classes to be ignored from the documentation lookup. + * + * @since 2.8.0 + * + * @param array $ignore_functions Functions and classes to be ignored. + */ $ignore_functions = apply_filters( 'documentation_ignore_functions', $ignore_functions ); + $ignore_functions = array_unique( $ignore_functions ); $out = array(); @@ -305,81 +389,11 @@ function wp_doc_link_parse( $content ) { return $out; } -/** - * Determines the language to use for CodePress syntax highlighting, - * based only on a filename. - * - * @since 2.8 - * - * @param string $filename The name of the file to be highlighting -**/ -function codepress_get_lang( $filename ) { - $codepress_supported_langs = apply_filters( 'codepress_supported_langs', - array( '.css' => 'css', - '.js' => 'javascript', - '.php' => 'php', - '.html' => 'html', - '.htm' => 'html', - '.txt' => 'text' - ) ); - $extension = substr( $filename, strrpos( $filename, '.' ) ); - if ( $extension && array_key_exists( $extension, $codepress_supported_langs ) ) - return $codepress_supported_langs[$extension]; - - return 'generic'; -} - -/** - * Adds Javascript required to make CodePress work on the theme/plugin editors. - * - * This code is attached to the action admin_print_footer_scripts. - * - * @since 2.8 -**/ -function codepress_footer_js() { - // Script-loader breaks CP's automatic path-detection, thus CodePress.path - // CP edits in an iframe, so we need to grab content back into normal form - ?> - 999 ) return; break; default: - $value = apply_filters('set-screen-option', false, $option, $value); + + /** + * Filter a screen option value before it is set. + * + * The filter can also be used to modify non-standard [items]_per_page + * settings. See the parent function for a full list of standard options. + * + * Returning false to the filter will skip saving the current option. + * + * @since 2.8.0 + * + * @see set_screen_options() + * + * @param bool|int $value Screen option value. Default false to skip. + * @param string $option The option name. + * @param int $value The number of rows to use. + */ + $value = apply_filters( 'set-screen-option', false, $option, $value ); + if ( false === $value ) return; break; } - update_usermeta($user->ID, $option, $value); - wp_redirect( remove_query_arg( array('pagenum', 'apage', 'paged'), wp_get_referer() ) ); - exit; - } -} + update_user_meta($user->ID, $option, $value); -function wp_menu_unfold() { - if ( isset($_GET['unfoldmenu']) ) { - delete_user_setting('mfold'); - wp_redirect( remove_query_arg( 'unfoldmenu', stripslashes($_SERVER['REQUEST_URI']) ) ); - exit; - } -} + $url = remove_query_arg( array( 'pagenum', 'apage', 'paged' ), wp_get_referer() ); + if ( isset( $_POST['mode'] ) ) { + $url = add_query_arg( array( 'mode' => $_POST['mode'] ), $url ); + } -/** - * Check if IIS 7 supports pretty permalinks - * - * @since 2.8.0 - * - * @return bool - */ -function iis7_supports_permalinks() { - global $is_iis7; - - $supports_permalinks = false; - if ( $is_iis7 ) { - /* First we check if the DOMDocument class exists. If it does not exist, - * which is the case for PHP 4.X, then we cannot easily update the xml configuration file, - * hence we just bail out and tell user that pretty permalinks cannot be used. - * This is not a big issue because PHP 4.X is going to be depricated and for IIS it - * is recommended to use PHP 5.X NTS. - * Next we check if the URL Rewrite Module 1.1 is loaded and enabled for the web site. When - * URL Rewrite 1.1 is loaded it always sets a server variable called 'IIS_UrlRewriteModule'. - * Lastly we make sure that PHP is running via FastCGI. This is important because if it runs - * via ISAPI then pretty permalinks will not work. - */ - $supports_permalinks = class_exists('DOMDocument') && isset($_SERVER['IIS_UrlRewriteModule']) && ( php_sapi_name() == 'cgi-fcgi' ); - } - - return apply_filters('iis7_supports_permalinks', $supports_permalinks); + wp_safe_redirect( $url ); + exit; + } } /** - * Check if rewrite rule for WordPress already exists in the IIS 7 configuration file + * Check if rewrite rule for WordPress already exists in the IIS 7+ configuration file * * @since 2.8.0 * @@ -467,14 +483,15 @@ function iis7_supports_permalinks() { function iis7_rewrite_rule_exists($filename) { if ( ! file_exists($filename) ) return false; - if ( ! class_exists('DOMDocument') ) + if ( ! class_exists( 'DOMDocument', false ) ) { return false; + } $doc = new DOMDocument(); if ( $doc->load($filename) === false ) return false; $xpath = new DOMXPath($doc); - $rules = $xpath->query('/configuration/system.webServer/rewrite/rules/rule[@name=\'wordpress\']'); + $rules = $xpath->query('/configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'wordpress\')] | /configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'WordPress\')]'); if ( $rules->length == 0 ) return false; else @@ -494,8 +511,9 @@ function iis7_delete_rewrite_rule($filename) { if ( ! file_exists($filename) ) return true; - if ( ! class_exists('DOMDocument') ) + if ( ! class_exists( 'DOMDocument', false ) ) { return false; + } $doc = new DOMDocument(); $doc->preserveWhiteSpace = false; @@ -503,7 +521,7 @@ function iis7_delete_rewrite_rule($filename) { if ( $doc -> load($filename) === false ) return false; $xpath = new DOMXPath($doc); - $rules = $xpath->query('/configuration/system.webServer/rewrite/rules/rule[@name=\'wordpress\']'); + $rules = $xpath->query('/configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'wordpress\')] | /configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'WordPress\')]'); if ( $rules->length > 0 ) { $child = $rules->item(0); $parent = $child->parentNode; @@ -515,7 +533,7 @@ function iis7_delete_rewrite_rule($filename) { } /** - * Add WordPress rewrite rule to the IIS 7 configuration file. + * Add WordPress rewrite rule to the IIS 7+ configuration file. * * @since 2.8.0 * @@ -524,8 +542,9 @@ function iis7_delete_rewrite_rule($filename) { * @return bool */ function iis7_add_rewrite_rule($filename, $rewrite_rule) { - if ( ! class_exists('DOMDocument') ) + if ( ! class_exists( 'DOMDocument', false ) ) { return false; + } // If configuration file does not exist then we create one. if ( ! file_exists($filename) ) { @@ -543,7 +562,7 @@ function iis7_add_rewrite_rule($filename, $rewrite_rule) { $xpath = new DOMXPath($doc); // First check if the rule already exists as in that case there is no need to re-add it - $wordpress_rules = $xpath->query('/configuration/system.webServer/rewrite/rules/rule[@name=\'wordpress\']'); + $wordpress_rules = $xpath->query('/configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'wordpress\')] | /configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'WordPress\')]'); if ( $wordpress_rules->length > 0 ) return true; @@ -587,6 +606,7 @@ function iis7_add_rewrite_rule($filename, $rewrite_rule) { $rule_fragment->appendXML($rewrite_rule); $rules_node->appendChild($rule_fragment); + $doc->encoding = "UTF-8"; $doc->formatOutput = true; saveDomDocument($doc, $filename); @@ -610,32 +630,309 @@ function saveDomDocument($doc, $filename) { } /** - * Workaround for Windows bug in is_writable() function + * Display the default admin color scheme picker (Used in user-edit.php) * - * @since 2.8.0 + * @since 3.0.0 * - * @param object $path - * @return bool + * @global array $_wp_admin_css_colors + * + * @param int $user_id User ID. */ -function win_is_writable($path) { - /* will work in despite of Windows ACLs bug - * NOTE: use a trailing slash for folders!!! - * see http://bugs.php.net/bug.php?id=27609 - * see http://bugs.php.net/bug.php?id=30931 - */ +function admin_color_scheme_picker( $user_id ) { + global $_wp_admin_css_colors; + + ksort( $_wp_admin_css_colors ); + + if ( isset( $_wp_admin_css_colors['fresh'] ) ) { + // Set Default ('fresh') and Light should go first. + $_wp_admin_css_colors = array_filter( array_merge( array( 'fresh' => '', 'light' => '' ), $_wp_admin_css_colors ) ); + } - if ( $path{strlen($path)-1} == '/' ) // recursively return a temporary file path - return win_is_writable($path . uniqid(mt_rand()) . '.tmp'); - else if ( is_dir($path) ) - return win_is_writable($path . '/' . uniqid(mt_rand()) . '.tmp'); - // check tmp file for read/write capabilities - $rm = file_exists($path); - $f = @fopen($path, 'a'); - if ($f===false) - return false; - fclose($f); - if ( ! $rm ) - unlink($path); - return true; + $current_color = get_user_option( 'admin_color', $user_id ); + + if ( empty( $current_color ) || ! isset( $_wp_admin_css_colors[ $current_color ] ) ) { + $current_color = 'fresh'; + } + + ?> +
+ + $color_info ) : + + ?> +
+ /> + + + + + + colors as $html_color ) { + ?> + + + +
 
+
+ +
+ icon_colors ) ) { + $icon_colors = $_wp_admin_css_colors[ $color_scheme ]->icon_colors; + } elseif ( ! empty( $_wp_admin_css_colors['fresh']->icon_colors ) ) { + $icon_colors = $_wp_admin_css_colors['fresh']->icon_colors; + } else { + // Fall back to the default set of icon colors if the default scheme is missing. + $icon_colors = array( 'base' => '#82878c', 'focus' => '#00a0d2', 'current' => '#fff' ); + } + + echo '\n"; +} + +/** + * @since 3.3.0 + */ +function _ipad_meta() { + if ( wp_is_mobile() ) { + ?> + + sprintf( __( '%s is currently editing' ), $user->display_name ) ); + + if ( ( $avatar = get_avatar( $user->ID, 18 ) ) && preg_match( "|src='([^']+)'|", $avatar, $matches ) ) + $send['avatar_src'] = $matches[1]; + + $checked[$key] = $send; + } + } + } + + if ( ! empty( $checked ) ) + $response['wp-check-locked-posts'] = $checked; + + return $response; +} + +/** + * Check lock status on the New/Edit Post screen and refresh the lock + * + * @since 3.6.0 + * + * @param array $response The Heartbeat response. + * @param array $data The $_POST data sent. + * @param string $screen_id The screen id. + * @return array The Heartbeat response. + */ +function wp_refresh_post_lock( $response, $data, $screen_id ) { + if ( array_key_exists( 'wp-refresh-post-lock', $data ) ) { + $received = $data['wp-refresh-post-lock']; + $send = array(); + + if ( ! $post_id = absint( $received['post_id'] ) ) + return $response; + + if ( ! current_user_can('edit_post', $post_id) ) + return $response; + + if ( ( $user_id = wp_check_post_lock( $post_id ) ) && ( $user = get_userdata( $user_id ) ) ) { + $error = array( + 'text' => sprintf( __( '%s has taken over and is currently editing.' ), $user->display_name ) + ); + + if ( $avatar = get_avatar( $user->ID, 64 ) ) { + if ( preg_match( "|src='([^']+)'|", $avatar, $matches ) ) + $error['avatar_src'] = $matches[1]; + } + + $send['lock_error'] = $error; + } else { + if ( $new_lock = wp_set_post_lock( $post_id ) ) + $send['new_lock'] = implode( ':', $new_lock ); + } + + $response['wp-refresh-post-lock'] = $send; + } + + return $response; +} + +/** + * Check nonce expiration on the New/Edit Post screen and refresh if needed + * + * @since 3.6.0 + * + * @param array $response The Heartbeat response. + * @param array $data The $_POST data sent. + * @param string $screen_id The screen id. + * @return array The Heartbeat response. + */ +function wp_refresh_post_nonces( $response, $data, $screen_id ) { + if ( array_key_exists( 'wp-refresh-post-nonces', $data ) ) { + $received = $data['wp-refresh-post-nonces']; + $response['wp-refresh-post-nonces'] = array( 'check' => 1 ); + + if ( ! $post_id = absint( $received['post_id'] ) ) { + return $response; + } + + if ( ! current_user_can( 'edit_post', $post_id ) ) { + return $response; + } + + $response['wp-refresh-post-nonces'] = array( + 'replace' => array( + 'getpermalinknonce' => wp_create_nonce('getpermalink'), + 'samplepermalinknonce' => wp_create_nonce('samplepermalink'), + 'closedpostboxesnonce' => wp_create_nonce('closedpostboxes'), + '_ajax_linking_nonce' => wp_create_nonce( 'internal-linking' ), + '_wpnonce' => wp_create_nonce( 'update-post_' . $post_id ), + ), + 'heartbeatNonce' => wp_create_nonce( 'heartbeat-nonce' ), + ); + } + + return $response; +} + +/** + * Disable suspension of Heartbeat on the Add/Edit Post screens. + * + * @since 3.8.0 + * + * @global string $pagenow + * + * @param array $settings An array of Heartbeat settings. + * @return array Filtered Heartbeat settings. + */ +function wp_heartbeat_set_suspension( $settings ) { + global $pagenow; + + if ( 'post.php' === $pagenow || 'post-new.php' === $pagenow ) { + $settings['suspension'] = 'disable'; + } + + return $settings; +} + +/** + * Autosave with heartbeat + * + * @since 3.9.0 + * + * @param array $response The Heartbeat response. + * @param array $data The $_POST data sent. + * @return array The Heartbeat response. + */ +function heartbeat_autosave( $response, $data ) { + if ( ! empty( $data['wp_autosave'] ) ) { + $saved = wp_autosave( $data['wp_autosave'] ); + + if ( is_wp_error( $saved ) ) { + $response['wp_autosave'] = array( 'success' => false, 'message' => $saved->get_error_message() ); + } elseif ( empty( $saved ) ) { + $response['wp_autosave'] = array( 'success' => false, 'message' => __( 'Error while saving.' ) ); + } else { + /* translators: draft saved date format, see http://php.net/date */ + $draft_saved_date_format = __( 'g:i:s a' ); + /* translators: %s: date and time */ + $response['wp_autosave'] = array( 'success' => true, 'message' => sprintf( __( 'Draft saved at %s.' ), date_i18n( $draft_saved_date_format ) ) ); + } + } + + return $response; +} + +/** + * Disables autocomplete on the 'post' form (Add/Edit Post screens) for WebKit browsers, + * as they disregard the autocomplete setting on the editor textarea. That can break the editor + * when the user navigates to it with the browser's Back button. See #28037 + * + * @since 4.0.0 + * + * @global bool $is_safari + * @global bool $is_chrome + */ +function post_form_autocomplete_off() { + global $is_safari, $is_chrome; + + if ( $is_safari || $is_chrome ) { + echo ' autocomplete="off"'; + } +} + +/** + * Remove single-use URL parameters and create canonical link based on new URL. + * + * Remove specific query string parameters from a URL, create the canonical link, + * put it in the admin header, and change the current URL to match. + * + * @since 4.2.0 + */ +function wp_admin_canonical_url() { + $removable_query_args = wp_removable_query_args(); + + if ( empty( $removable_query_args ) ) { + return; + } + + // Ensure we're using an absolute URL. + $current_url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] ); + $filtered_url = remove_query_arg( $removable_query_args, $current_url ); + ?> + + +