sys_get_temp_dir(), before finally defaulting to /tmp/
- *
- * In the event that this function does not find a writable location, It may be overridden by the WP_TEMP_DIR constant in your wp-config.php file.
- *
- * @since 2.5.0
- *
- * @return string Writable temporary directory
- */
-function get_temp_dir() {
- static $temp;
- if ( defined('WP_TEMP_DIR') )
- return trailingslashit(WP_TEMP_DIR);
-
- if ( $temp )
- return trailingslashit($temp);
-
- $temp = WP_CONTENT_DIR . '/';
- if ( is_dir($temp) && @is_writable($temp) )
- return $temp;
-
- if ( function_exists('sys_get_temp_dir') ) {
- $temp = sys_get_temp_dir();
- if ( @is_writable($temp) )
- return trailingslashit($temp);
- }
-
- $temp = ini_get('upload_tmp_dir');
- if ( is_dir($temp) && @is_writable($temp) )
- return trailingslashit($temp);
-
- $temp = '/tmp/';
- return $temp;
-}
-
/**
* Returns a filename of a Temporary unique file.
* Please note that the calling function must unlink() this itself.
@@ -201,13 +179,17 @@ function wp_tempnam($filename = '', $dir = '') {
}
/**
- * {@internal Missing Short Description}}
+ * Make sure that the file that was requested to edit, is allowed to be edited
*
- * @since unknown
+ * Function will die if if you are not allowed to edit the file
*
- * @param unknown_type $file
- * @param unknown_type $allowed_files
- * @return unknown
+ * @since 1.5.0
+ *
+ * @uses wp_die
+ * @uses validate_file
+ * @param string $file file the users is attempting to edit
+ * @param array $allowed_files Array of allowed files to edit, $file must match an entry exactly
+ * @return null
*/
function validate_file_to_edit( $file, $allowed_files = '' ) {
$code = validate_file( $file, $allowed_files );
@@ -228,10 +210,19 @@ function validate_file_to_edit( $file, $allowed_files = '' ) {
}
/**
- * {@internal Missing Short Description}}
+ * Handle PHP uploads in WordPress, sanitizing file names, checking extensions for mime type,
+ * and moving the file to the appropriate directory within the uploads directory.
*
- * @since unknown
+ * @since 2.0
*
+ * @uses wp_handle_upload_error
+ * @uses apply_filters
+ * @uses is_multisite
+ * @uses wp_check_filetype_and_ext
+ * @uses current_user_can
+ * @uses wp_upload_dir
+ * @uses wp_unique_filename
+ * @uses delete_transient
* @param array $file Reference to a single element of $_FILES. Call the function once for each uploaded file.
* @param array $overrides Optional. An associative array of names=>values to override default variables with extract( $overrides, EXTR_OVERWRITE ).
* @return array On success, returns an associative array of file attributes. On failure, returns $overrides['upload_error_handler'](&$file, $message ) or array( 'error'=>$message ).
@@ -261,8 +252,8 @@ function wp_handle_upload( &$file, $overrides = false, $time = null ) {
// Courtesy of php.net, the strings that describe the error indicated in $_FILES[{form field}]['error'].
$upload_error_strings = array( false,
- __( "The uploaded file exceeds the upload_max_filesize directive in php.ini." ),
- __( "The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form." ),
+ __( "The uploaded file exceeds the upload_max_filesize directive in php.ini." ),
+ __( "The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form." ),
__( "The uploaded file was only partially uploaded." ),
__( "No file was uploaded." ),
'',
@@ -315,7 +306,7 @@ function wp_handle_upload( &$file, $overrides = false, $time = null ) {
$file['name'] = $proper_filename;
if ( ( !$type || !$ext ) && !current_user_can( 'unfiltered_upload' ) )
- return call_user_func($upload_error_handler, $file, __( 'File type does not meet security guidelines. Try another.' ));
+ return call_user_func($upload_error_handler, $file, __( 'Sorry, this file type is not permitted for security reasons.' ));
if ( !$ext )
$ext = ltrim(strrchr($file['name'], '.'), '.');
@@ -352,15 +343,21 @@ function wp_handle_upload( &$file, $overrides = false, $time = null ) {
}
/**
- * {@internal Missing Short Description}}
+ * Handle sideloads, which is the process of retriving a media item from another server instead of
+ * a traditional media upload. This process involves sanitizing the filename, checking extensions
+ * for mime type, and moving the file to the appropriate directory within the uploads directory.
*
- * Pass this function an array similar to that of a $_FILES POST array.
- *
- * @since unknown
+ * @since 2.6.0
*
- * @param unknown_type $file
- * @param unknown_type $overrides
- * @return unknown
+ * @uses wp_handle_upload_error
+ * @uses apply_filters
+ * @uses wp_check_filetype_and_ext
+ * @uses current_user_can
+ * @uses wp_upload_dir
+ * @uses wp_unique_filename
+ * @param array $file an array similar to that of a PHP $_FILES POST array
+ * @param array $overrides Optional. An associative array of names=>values to override default variables with extract( $overrides, EXTR_OVERWRITE ).
+ * @return array On success, returns an associative array of file attributes. On failure, returns $overrides['upload_error_handler'](&$file, $message ) or array( 'error'=>$message ).
*/
function wp_handle_sideload( &$file, $overrides = false ) {
// The default error handler.
@@ -429,7 +426,7 @@ function wp_handle_sideload( &$file, $overrides = false ) {
$file['name'] = $proper_filename;
if ( ( !$type || !$ext ) && !current_user_can( 'unfiltered_upload' ) )
- return $upload_error_handler( $file, __( 'File type does not meet security guidelines. Try another.' ));
+ return $upload_error_handler( $file, __( 'Sorry, this file type is not permitted for security reasons.' ));
if ( !$ext )
$ext = ltrim(strrchr($file['name'], '.'), '.');
@@ -474,9 +471,10 @@ function wp_handle_sideload( &$file, $overrides = false ) {
* @since 2.5.0
*
* @param string $url the URL of the file to download
+ * @param int $timeout The timeout for the request to download the file default 300 seconds
* @return mixed WP_Error on failure, string Filename on success.
*/
-function download_url( $url ) {
+function download_url( $url, $timeout = 300 ) {
//WARNING: The file is not automatically deleted, The script must unlink() the file.
if ( ! $url )
return new WP_Error('http_no_url', __('Invalid URL Provided.'));
@@ -485,27 +483,18 @@ function download_url( $url ) {
if ( ! $tmpfname )
return new WP_Error('http_no_file', __('Could not create Temporary file.'));
- $handle = @fopen($tmpfname, 'wb');
- if ( ! $handle )
- return new WP_Error('http_no_file', __('Could not create Temporary file.'));
-
- $response = wp_remote_get($url, array('timeout' => 300));
+ $response = wp_remote_get( $url, array( 'timeout' => $timeout, 'stream' => true, 'filename' => $tmpfname ) );
- if ( is_wp_error($response) ) {
- fclose($handle);
- unlink($tmpfname);
+ if ( is_wp_error( $response ) ) {
+ unlink( $tmpfname );
return $response;
}
- if ( $response['response']['code'] != '200' ){
- fclose($handle);
- unlink($tmpfname);
- return new WP_Error('http_404', trim($response['response']['message']));
+ if ( 200 != wp_remote_retrieve_response_code( $response ) ){
+ unlink( $tmpfname );
+ return new WP_Error( 'http_404', trim( wp_remote_retrieve_response_message( $response ) ) );
}
- fwrite($handle, $response['body']);
- fclose($handle);
-
return $tmpfname;
}
@@ -529,7 +518,7 @@ function unzip_file($file, $to) {
return new WP_Error('fs_unavailable', __('Could not access filesystem.'));
// Unzip can use a lot of memory, but not this much hopefully
- @ini_set('memory_limit', '256M');
+ @ini_set( 'memory_limit', apply_filters( 'admin_memory_limit', WP_MAX_MEMORY_LIMIT ) );
$needed_dirs = array();
$to = trailingslashit($to);
@@ -663,12 +652,23 @@ function _unzip_file_ziparchive($file, $to, $needed_dirs = array() ) {
function _unzip_file_pclzip($file, $to, $needed_dirs = array()) {
global $wp_filesystem;
+ // See #15789 - PclZip uses string functions on binary data, If it's overloaded with Multibyte safe functions the results are incorrect.
+ if ( ini_get('mbstring.func_overload') && function_exists('mb_internal_encoding') ) {
+ $previous_encoding = mb_internal_encoding();
+ mb_internal_encoding('ISO-8859-1');
+ }
+
require_once(ABSPATH . 'wp-admin/includes/class-pclzip.php');
$archive = new PclZip($file);
+ $archive_files = $archive->extract(PCLZIP_OPT_EXTRACT_AS_STRING);
+
+ if ( isset($previous_encoding) )
+ mb_internal_encoding($previous_encoding);
+
// Is the archive valid?
- if ( false == ($archive_files = $archive->extract(PCLZIP_OPT_EXTRACT_AS_STRING)) )
+ if ( !is_array($archive_files) )
return new WP_Error('incompatible_archive', __('Incompatible Archive.'), $archive->errorInfo(true));
if ( 0 == count($archive_files) )
@@ -727,9 +727,10 @@ function _unzip_file_pclzip($file, $to, $needed_dirs = array()) {
*
* @param string $from source directory
* @param string $to destination directory
+ * @param array $skip_list a list of files/folders to skip copying
* @return mixed WP_Error on failure, True on success.
*/
-function copy_dir($from, $to) {
+function copy_dir($from, $to, $skip_list = array() ) {
global $wp_filesystem;
$dirlist = $wp_filesystem->dirlist($from);
@@ -737,21 +738,31 @@ function copy_dir($from, $to) {
$from = trailingslashit($from);
$to = trailingslashit($to);
+ $skip_regex = '';
+ foreach ( (array)$skip_list as $key => $skip_file )
+ $skip_regex .= preg_quote($skip_file, '!') . '|';
+
+ if ( !empty($skip_regex) )
+ $skip_regex = '!(' . rtrim($skip_regex, '|') . ')$!i';
+
foreach ( (array) $dirlist as $filename => $fileinfo ) {
+ if ( !empty($skip_regex) )
+ if ( preg_match($skip_regex, $from . $filename) )
+ continue;
+
if ( 'f' == $fileinfo['type'] ) {
- if ( ! $wp_filesystem->copy($from . $filename, $to . $filename, true) ) {
+ if ( ! $wp_filesystem->copy($from . $filename, $to . $filename, true, FS_CHMOD_FILE) ) {
// If copy failed, chmod file to 0644 and try again.
$wp_filesystem->chmod($to . $filename, 0644);
- if ( ! $wp_filesystem->copy($from . $filename, $to . $filename, true) )
+ if ( ! $wp_filesystem->copy($from . $filename, $to . $filename, true, FS_CHMOD_FILE) )
return new WP_Error('copy_failed', __('Could not copy file.'), $to . $filename);
}
- $wp_filesystem->chmod($to . $filename, FS_CHMOD_FILE);
} elseif ( 'd' == $fileinfo['type'] ) {
if ( !$wp_filesystem->is_dir($to . $filename) ) {
if ( !$wp_filesystem->mkdir($to . $filename, FS_CHMOD_DIR) )
return new WP_Error('mkdir_failed', __('Could not create directory.'), $to . $filename);
}
- $result = copy_dir($from . $filename, $to . $filename);
+ $result = copy_dir($from . $filename, $to . $filename, $skip_list);
if ( is_wp_error($result) )
return $result;
}
@@ -936,8 +947,8 @@ function request_filesystem_credentials($form_post, $type = '', $error = false,
if ( $error ) {
$error_string = __('Error: There was an error connecting to the server, Please verify the settings are correct.');
if ( is_wp_error($error) )
- $error_string = $error->get_error_message();
- echo '' . esc_html( $error_string ) . '
' . $error_string . '
'; } +submit_button( __( 'Proceed' ), 'button', 'upgrade' ); ?> -
- -