$home_path = ABSPATH;
}
- return $home_path;
-}
-
-/**
- * Get the real file system path to a file to edit within the admin
- *
- * If the $file is index.php or .htaccess this function will assume it is relative
- * to the install root, otherwise it is assumed the file is relative to the wp-content
- * directory
- *
- * @since 1.5.0
- *
- * @uses get_home_path
- * @uses WP_CONTENT_DIR full filesystem path to the wp-content directory
- * @param string $file filesystem path relative to the WordPress install directory or to the wp-content directory
- * @return string full file system path to edit
- */
-function get_real_file_to_edit( $file ) {
- if ('index.php' == $file || '.htaccess' == $file ) {
- $real_file = get_home_path() . $file;
- } else {
- $real_file = WP_CONTENT_DIR . $file;
- }
-
- return $real_file;
+ return str_replace( '\\', '/', $home_path );
}
/**
// Move the file to the uploads dir
$new_file = $uploads['path'] . "/$filename";
- if ( false === @ move_uploaded_file( $file['tmp_name'], $new_file ) )
- return $upload_error_handler( $file, sprintf( __('The uploaded file could not be moved to %s.' ), $uploads['path'] ) );
+ if ( false === @ move_uploaded_file( $file['tmp_name'], $new_file ) ) {
+ if ( 0 === strpos( $uploads['basedir'], ABSPATH ) )
+ $error_path = str_replace( ABSPATH, '', $uploads['basedir'] ) . $uploads['subdir'];
+ else
+ $error_path = basename( $uploads['basedir'] ) . $uploads['subdir'];
+
+ return $upload_error_handler( $file, sprintf( __('The uploaded file could not be moved to %s.' ), $error_path ) );
+ }
// Set correct file permissions
$stat = stat( dirname( $new_file ));
// Move the file to the uploads dir
$new_file = $uploads['path'] . "/$filename";
if ( false === @ rename( $file['tmp_name'], $new_file ) ) {
- return $upload_error_handler( $file, sprintf( __('The uploaded file could not be moved to %s.' ), $uploads['path'] ) );
+ if ( 0 === strpos( $uploads['basedir'], ABSPATH ) )
+ $error_path = str_replace( ABSPATH, '', $uploads['basedir'] ) . $uploads['subdir'];
+ else
+ $error_path = basename( $uploads['basedir'] ) . $uploads['subdir'];
+ return $upload_error_handler( $file, sprintf( __('The uploaded file could not be moved to %s.' ), $error_path ) );
}
// Set correct file permissions
if ( ! $tmpfname )
return new WP_Error('http_no_file', __('Could not create Temporary file.'));
- $response = wp_remote_get( $url, array( 'timeout' => $timeout, 'stream' => true, 'filename' => $tmpfname ) );
+ $response = wp_safe_remote_get( $url, array( 'timeout' => $timeout, 'stream' => true, 'filename' => $tmpfname ) );
if ( is_wp_error( $response ) ) {
unlink( $tmpfname );
return new WP_Error( 'http_404', trim( wp_remote_retrieve_response_message( $response ) ) );
}
+ $content_md5 = wp_remote_retrieve_header( $response, 'content-md5' );
+ if ( $content_md5 ) {
+ $md5_check = verify_file_md5( $tmpfname, $content_md5 );
+ if ( is_wp_error( $md5_check ) ) {
+ unlink( $tmpfname );
+ return $md5_check;
+ }
+ }
+
return $tmpfname;
}
+/**
+ * Calculates and compares the MD5 of a file to it's expected value.
+ *
+ * @since 3.7.0
+ *
+ * @param string $filename The filename to check the MD5 of.
+ * @param string $expected_md5 The expected MD5 of the file, either a base64 encoded raw md5, or a hex-encoded md5
+ * @return bool|object WP_Error on failure, true on success, false when the MD5 format is unknown/unexpected
+ */
+function verify_file_md5( $filename, $expected_md5 ) {
+ if ( 32 == strlen( $expected_md5 ) )
+ $expected_raw_md5 = pack( 'H*', $expected_md5 );
+ elseif ( 24 == strlen( $expected_md5 ) )
+ $expected_raw_md5 = base64_decode( $expected_md5 );
+ else
+ return false; // unknown format
+
+ $file_md5 = md5_file( $filename, true );
+
+ if ( $file_md5 === $expected_raw_md5 )
+ return true;
+
+ return new WP_Error( 'md5_mismatch', sprintf( __( 'The checksum of the file (%1$s) does not match the expected checksum value (%2$s).' ), bin2hex( $file_md5 ), bin2hex( $expected_raw_md5 ) ) );
+}
+
/**
* Unzips a specified ZIP file to a location on the Filesystem via the WordPress Filesystem Abstraction.
* Assumes that WP_Filesystem() has already been called and set up. Does not extract a root-level __MACOSX directory, if present.
$z = new ZipArchive();
- // PHP4-compat - php4 classes can't contain constants
- $zopen = $z->open($file, /* ZIPARCHIVE::CHECKCONS */ 4);
+ $zopen = $z->open( $file, ZIPARCHIVE::CHECKCONS );
if ( true !== $zopen )
- return new WP_Error('incompatible_archive', __('Incompatible Archive.'));
+ return new WP_Error( 'incompatible_archive', __( 'Incompatible Archive.' ), array( 'ziparchive_error' => $zopen ) );
+
+ $uncompressed_size = 0;
for ( $i = 0; $i < $z->numFiles; $i++ ) {
if ( ! $info = $z->statIndex($i) )
- return new WP_Error('stat_failed', __('Could not retrieve file from archive.'));
+ return new WP_Error( 'stat_failed_ziparchive', __( 'Could not retrieve file from archive.' ) );
if ( '__MACOSX/' === substr($info['name'], 0, 9) ) // Skip the OS X-created __MACOSX directory
continue;
+ $uncompressed_size += $info['size'];
+
if ( '/' == substr($info['name'], -1) ) // directory
$needed_dirs[] = $to . untrailingslashit($info['name']);
else
$needed_dirs[] = $to . untrailingslashit(dirname($info['name']));
}
+ /*
+ * disk_free_space() could return false. Assume that any falsey value is an error.
+ * A disk that has zero free bytes has bigger problems.
+ * Require we have enough space to unzip the file and copy its contents, with a 10% buffer.
+ */
+ if ( defined( 'DOING_CRON' ) && DOING_CRON ) {
+ $available_space = @disk_free_space( WP_CONTENT_DIR );
+ if ( $available_space && ( $uncompressed_size * 2.1 ) > $available_space )
+ return new WP_Error( 'disk_full_unzip_file', __( 'Could not copy files. You may have run out of disk space.' ), compact( 'uncompressed_size', 'available_space' ) );
+ }
+
$needed_dirs = array_unique($needed_dirs);
foreach ( $needed_dirs as $dir ) {
// Check the parent folders of the folders all exist within the creation array.
// Create those directories if need be:
foreach ( $needed_dirs as $_dir ) {
if ( ! $wp_filesystem->mkdir($_dir, FS_CHMOD_DIR) && ! $wp_filesystem->is_dir($_dir) ) // Only check to see if the Dir exists upon creation failure. Less I/O this way.
- return new WP_Error('mkdir_failed', __('Could not create directory.'), $_dir);
+ return new WP_Error( 'mkdir_failed_ziparchive', __( 'Could not create directory.' ), substr( $_dir, strlen( $to ) ) );
}
unset($needed_dirs);
for ( $i = 0; $i < $z->numFiles; $i++ ) {
if ( ! $info = $z->statIndex($i) )
- return new WP_Error('stat_failed', __('Could not retrieve file from archive.'));
+ return new WP_Error( 'stat_failed_ziparchive', __( 'Could not retrieve file from archive.' ) );
if ( '/' == substr($info['name'], -1) ) // directory
continue;
$contents = $z->getFromIndex($i);
if ( false === $contents )
- return new WP_Error('extract_failed', __('Could not extract file from archive.'), $info['name']);
+ return new WP_Error( 'extract_failed_ziparchive', __( 'Could not extract file from archive.' ), $info['name'] );
if ( ! $wp_filesystem->put_contents( $to . $info['name'], $contents, FS_CHMOD_FILE) )
- return new WP_Error('copy_failed', __('Could not copy file.'), $to . $info['name']);
+ return new WP_Error( 'copy_failed_ziparchive', __( 'Could not copy file.' ), $info['name'] );
}
$z->close();
function _unzip_file_pclzip($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');
- }
+ mbstring_binary_safe_encoding();
require_once(ABSPATH . 'wp-admin/includes/class-pclzip.php');
$archive_files = $archive->extract(PCLZIP_OPT_EXTRACT_AS_STRING);
- if ( isset($previous_encoding) )
- mb_internal_encoding($previous_encoding);
+ reset_mbstring_encoding();
// Is the archive valid?
if ( !is_array($archive_files) )
return new WP_Error('incompatible_archive', __('Incompatible Archive.'), $archive->errorInfo(true));
if ( 0 == count($archive_files) )
- return new WP_Error('empty_archive', __('Empty archive.'));
+ return new WP_Error( 'empty_archive_pclzip', __( 'Empty archive.' ) );
+
+ $uncompressed_size = 0;
// Determine any children directories needed (From within the archive)
foreach ( $archive_files as $file ) {
if ( '__MACOSX/' === substr($file['filename'], 0, 9) ) // Skip the OS X-created __MACOSX directory
continue;
+ $uncompressed_size += $file['size'];
+
$needed_dirs[] = $to . untrailingslashit( $file['folder'] ? $file['filename'] : dirname($file['filename']) );
}
+ /*
+ * disk_free_space() could return false. Assume that any falsey value is an error.
+ * A disk that has zero free bytes has bigger problems.
+ * Require we have enough space to unzip the file and copy its contents, with a 10% buffer.
+ */
+ if ( defined( 'DOING_CRON' ) && DOING_CRON ) {
+ $available_space = @disk_free_space( WP_CONTENT_DIR );
+ if ( $available_space && ( $uncompressed_size * 2.1 ) > $available_space )
+ return new WP_Error( 'disk_full_unzip_file', __( 'Could not copy files. You may have run out of disk space.' ), compact( 'uncompressed_size', 'available_space' ) );
+ }
+
$needed_dirs = array_unique($needed_dirs);
foreach ( $needed_dirs as $dir ) {
// Check the parent folders of the folders all exist within the creation array.
// Create those directories if need be:
foreach ( $needed_dirs as $_dir ) {
- if ( ! $wp_filesystem->mkdir($_dir, FS_CHMOD_DIR) && ! $wp_filesystem->is_dir($_dir) ) // Only check to see if the dir exists upon creation failure. Less I/O this way.
- return new WP_Error('mkdir_failed', __('Could not create directory.'), $_dir);
+ // Only check to see if the dir exists upon creation failure. Less I/O this way.
+ if ( ! $wp_filesystem->mkdir( $_dir, FS_CHMOD_DIR ) && ! $wp_filesystem->is_dir( $_dir ) )
+ return new WP_Error( 'mkdir_failed_pclzip', __( 'Could not create directory.' ), substr( $_dir, strlen( $to ) ) );
}
unset($needed_dirs);
continue;
if ( ! $wp_filesystem->put_contents( $to . $file['filename'], $file['content'], FS_CHMOD_FILE) )
- return new WP_Error('copy_failed', __('Could not copy file.'), $to . $file['filename']);
+ return new WP_Error( 'copy_failed_pclzip', __( 'Could not copy file.' ), $file['filename'] );
}
return true;
}
$from = trailingslashit($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 ( in_array( $filename, $skip_list ) )
+ continue;
if ( 'f' == $fileinfo['type'] ) {
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);
+ $wp_filesystem->chmod( $to . $filename, FS_CHMOD_FILE );
if ( ! $wp_filesystem->copy($from . $filename, $to . $filename, true, FS_CHMOD_FILE) )
- return new WP_Error('copy_failed', __('Could not copy file.'), $to . $filename);
+ return new WP_Error( 'copy_failed_copy_dir', __( 'Could not copy file.' ), $to . $filename );
}
} 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);
+ return new WP_Error( 'mkdir_failed_copy_dir', __( 'Could not create directory.' ), $to . $filename );
}
- $result = copy_dir($from . $filename, $to . $filename, $skip_list);
+
+ // generate the $sub_skip_list for the subdirectory as a sub-set of the existing $skip_list
+ $sub_skip_list = array();
+ foreach ( $skip_list as $skip_item ) {
+ if ( 0 === strpos( $skip_item, $filename . '/' ) )
+ $sub_skip_list[] = preg_replace( '!^' . preg_quote( $filename, '!' ) . '/!i', '', $skip_item );
+ }
+
+ $result = copy_dir($from . $filename, $to . $filename, $sub_skip_list);
if ( is_wp_error($result) )
return $result;
}
// Set the permission constants if not already set.
if ( ! defined('FS_CHMOD_DIR') )
- define('FS_CHMOD_DIR', 0755 );
+ define('FS_CHMOD_DIR', ( fileperms( ABSPATH ) & 0777 | 0755 ) );
if ( ! defined('FS_CHMOD_FILE') )
- define('FS_CHMOD_FILE', 0644 );
+ define('FS_CHMOD_FILE', ( fileperms( ABSPATH . 'index.php' ) & 0777 | 0644 ) );
return true;
}
if ( ! $method && function_exists('getmyuid') && function_exists('fileowner') ){
if ( !$context )
$context = WP_CONTENT_DIR;
+
+ // If the directory doesn't exist (wp-content/languages) then use the parent directory as we'll create it.
+ if ( WP_LANG_DIR == $context && ! is_dir( $context ) )
+ $context = dirname( $context );
+
$context = trailingslashit($context);
$temp_file_name = $context . 'temp-write-test-' . time();
$temp_handle = @fopen($temp_file_name, 'w');
$credentials = get_option('ftp_credentials', array( 'hostname' => '', 'username' => ''));
// If defined, set it to that, Else, If POST'd, set it to that, If not, Set it to whatever it previously was(saved details in option)
- $credentials['hostname'] = defined('FTP_HOST') ? FTP_HOST : (!empty($_POST['hostname']) ? stripslashes($_POST['hostname']) : $credentials['hostname']);
- $credentials['username'] = defined('FTP_USER') ? FTP_USER : (!empty($_POST['username']) ? stripslashes($_POST['username']) : $credentials['username']);
- $credentials['password'] = defined('FTP_PASS') ? FTP_PASS : (!empty($_POST['password']) ? stripslashes($_POST['password']) : '');
+ $credentials['hostname'] = defined('FTP_HOST') ? FTP_HOST : (!empty($_POST['hostname']) ? wp_unslash( $_POST['hostname'] ) : $credentials['hostname']);
+ $credentials['username'] = defined('FTP_USER') ? FTP_USER : (!empty($_POST['username']) ? wp_unslash( $_POST['username'] ) : $credentials['username']);
+ $credentials['password'] = defined('FTP_PASS') ? FTP_PASS : (!empty($_POST['password']) ? wp_unslash( $_POST['password'] ) : '');
// Check to see if we are setting the public/private keys for ssh
- $credentials['public_key'] = defined('FTP_PUBKEY') ? FTP_PUBKEY : (!empty($_POST['public_key']) ? stripslashes($_POST['public_key']) : '');
- $credentials['private_key'] = defined('FTP_PRIKEY') ? FTP_PRIKEY : (!empty($_POST['private_key']) ? stripslashes($_POST['private_key']) : '');
+ $credentials['public_key'] = defined('FTP_PUBKEY') ? FTP_PUBKEY : (!empty($_POST['public_key']) ? wp_unslash( $_POST['public_key'] ) : '');
+ $credentials['private_key'] = defined('FTP_PRIKEY') ? FTP_PRIKEY : (!empty($_POST['private_key']) ? wp_unslash( $_POST['private_key'] ) : '');
//sanitize the hostname, Some people might pass in odd-data:
$credentials['hostname'] = preg_replace('|\w+://|', '', $credentials['hostname']); //Strip any schemes off
else if ( (defined('FTP_SSL') && FTP_SSL) && 'ftpext' == $type ) //Only the FTP Extension understands SSL
$credentials['connection_type'] = 'ftps';
else if ( !empty($_POST['connection_type']) )
- $credentials['connection_type'] = stripslashes($_POST['connection_type']);
- else if ( !isset($credentials['connection_type']) ) //All else fails (And its not defaulted to something else saved), Default to FTP
+ $credentials['connection_type'] = wp_unslash( $_POST['connection_type'] );
+ else if ( !isset($credentials['connection_type']) ) //All else fails (And it's not defaulted to something else saved), Default to FTP
$credentials['connection_type'] = 'ftp';
if ( ! $error &&
});
-->
</script>
-<form action="<?php echo $form_post ?>" method="post">
-<div class="wrap">
-<?php screen_icon(); ?>
-<h2><?php _e('Connection Information') ?></h2>
+<form action="<?php echo esc_url( $form_post ) ?>" method="post">
+<div>
+<h3><?php _e('Connection Information') ?></h3>
<p><?php
$label_user = __('Username');
$label_pass = __('Password');
<tr valign="top">
<th scope="row"><label for="password"><?php echo $label_pass; ?></label></th>
-<td><input name="password" type="password" id="password" value="<?php if ( defined('FTP_PASS') ) echo '*****'; ?>"<?php disabled( defined('FTP_PASS') ); ?> size="40" /></td>
+<td><div><input name="password" type="password" id="password" value="<?php if ( defined('FTP_PASS') ) echo '*****'; ?>"<?php disabled( defined('FTP_PASS') ); ?> size="40" /></div>
+<div><em><?php if ( ! defined('FTP_PASS') ) _e( 'This password will not be stored on the server.' ); ?></em></div></td>
</tr>
<?php if ( isset($types['ssh']) ) : ?>
<?php
foreach ( (array) $extra_fields as $field ) {
if ( isset( $_POST[ $field ] ) )
- echo '<input type="hidden" name="' . esc_attr( $field ) . '" value="' . esc_attr( stripslashes( $_POST[ $field ] ) ) . '" />';
+ echo '<input type="hidden" name="' . esc_attr( $field ) . '" value="' . esc_attr( wp_unslash( $_POST[ $field ] ) ) . '" />';
}
submit_button( __( 'Proceed' ), 'button', 'upgrade' );
?>