Remove folder permissions notices

admin/actions.php

@@ -57,6 +57,52 @@ function request_delete_schedule() {
 }
 add_action( 'admin_post_hmbkp_request_delete_schedule', 'HM\BackUpWordPress\request_delete_schedule' );
 
+add_action( 'admin_post_hmbkp_request_credentials', function() {
+
+	global $wp_filesystem;
+
+	ob_start();
+	$creds = request_filesystem_credentials( '' );
+	ob_end_clean();
+
+	// Default to showing an error if we're not able to connect.
+	$url = add_query_arg( 'connection_error', 1, get_settings_url() );
+
+	/**
+	 * If we have valid filesystem credentials then let's attempt
+	 * to use them to create the backups directory. If we can't create it in
+	 * WP_CONTENT_DIR then we fallback to trying in uploads.
+	 */
+	if ( WP_Filesystem( $creds ) ) {
+
+		// If we're able to connect then no need to redirect with an error.
+		$url = get_settings_url();
+
+		// If the backup path exists then let's just try to chmod it to the correct permissions.
+		if (
+			is_dir( Path::get_instance()->get_default_path() ) &&
+			! $wp_filesystem->chmod( Path::get_instance()->get_default_path(), FS_CHMOD_DIR )
+		) {
+			$url = add_query_arg( 'creation_error', 1, get_settings_url() );
+		} else {
+
+			// If the path doesn't exist then try to correct the permission for the parent directory and create it.
+			$wp_filesystem->chmod( dirname( Path::get_instance()->get_default_path() ), FS_CHMOD_DIR );
+
+			if (
+				! $wp_filesystem->mkdir( Path::get_instance()->get_default_path(), FS_CHMOD_DIR ) &&
+				! $wp_filesystem->mkdir( Path::get_instance()->get_fallback_path(), FS_CHMOD_DIR )
+			) {
+				$url = add_query_arg( 'creation_error', 1, get_settings_url() );
+			}
+		}
+	}
+
+	wp_safe_redirect( $url , 303 );
+	die;
+
+} );
+
 /**
  * Perform a manual backup
  *

admin/filesystem-credentials.php

@@ -0,0 +1,8 @@
+<?php
+
+$_POST['action'] = 'hmbkp_request_credentials';
+$extra_fields    = array( 'action' );
+
+if ( ! isset( $_GET['creation_error'] ) ) {
+	request_filesystem_credentials( admin_url( 'admin-post.php' ), '', isset( $_GET['connection_error'] ), false, $extra_fields );
+}

admin/page.php

@@ -25,10 +25,18 @@
 
 	</h1>
 
-	<?php include_once( HMBKP_PLUGIN_PATH . 'admin/backups.php' ); ?>
+	<?php if ( has_server_permissions() ) : ?>
 
-	<p class="howto"><?php printf( __( 'If you\'re finding BackUpWordPress useful, please %1$s rate it on the plugin directory%2$s.', 'backupwordpress' ), '<a target="_blank" href="http://wordpress.org/support/view/plugin-reviews/backupwordpress">', '</a>' ); ?></p>
+		<?php include_once( HMBKP_PLUGIN_PATH . 'admin/backups.php' ); ?>
 
-	<?php include_once( HMBKP_PLUGIN_PATH . 'admin/upsell.php' ); ?>
+		<p class="howto"><?php printf( __( 'If you\'re finding BackUpWordPress useful, please %1$s rate it on the plugin directory%2$s.', 'backupwordpress' ), '<a target="_blank" href="http://wordpress.org/support/view/plugin-reviews/backupwordpress">', '</a>' ); ?></p>
+
+		<?php include_once( HMBKP_PLUGIN_PATH . 'admin/upsell.php' ); ?>
+
+	<?php else : ?>
+
+		<?php include_once( HMBKP_PLUGIN_PATH . 'admin/filesystem-credentials.php' ); ?>
+
+	<?php endif; ?>
 
 </div>

classes/class-path.php

@@ -275,6 +275,29 @@ public function get_existing_path() {
 	 */
 	public function calculate_path() {
 
+		$paths = $this->get_possible_paths();
+
+		// Loop through possible paths, use the first one that exists/can be created and is writable.
+		foreach ( $paths as $path ) {
+			// Also handles fixing perms / directory already exists.
+			if ( wp_mkdir_p( $path ) && wp_is_writable( $path ) ) {
+				break;
+			}
+		}
+
+		/**
+		 * If we managed to create a writable path then use that,
+		 * otherwise just return the unwritable path.
+		 */
+		if ( file_exists( $path ) && wp_is_writable( $path ) ) {
+			$this->path = $path;
+		} else {
+			$this->path = reset( $paths );
+		}
+	}
+
+	public function get_possible_paths() {
+
 		$paths = array();
 
 		// If we have a custom path then try to use it.
@@ -293,13 +316,7 @@ public function calculate_path() {
 		// If that didn't work then fallback to a new directory in uploads.
 		$paths[] = $this->get_fallback_path();
 
-		// Loop through possible paths, use the first one that exists/can be created and is writable.
-		foreach ( $paths as $path ) {
-			if ( wp_mkdir_p( $path ) && file_exists( $path ) && wp_is_writable( $path ) ) { // Also handles fixing perms / directory already exists.
-				$this->path = $path;
-				break;
-			}
-		}
+		return $paths;
 	}
 
 	/**
@@ -410,7 +427,6 @@ public function move_old_backups( $from ) {
 		if ( false !== strpos( $from, WP_CONTENT_DIR ) &&  Path::get_path() !== $from ) {
 			rmdirtree( $from );
 		}
-
 	}
 
 	/**

classes/class-requirement.php

@@ -281,7 +281,10 @@ class Requirement_Backup_Path_Permissions extends Requirement {
 	 * @return string
 	 */
 	public static function test() {
-		return substr( sprintf( '%o', fileperms( Path::get_path() ) ), - 4 );
+		if ( is_readable( PATH::get_path() ) ) {
+			return substr( sprintf( '%o', fileperms( Path::get_path() ) ), - 4 );
+		}
+		return 'Unreadable';
 	}
 }
 Requirements::register( 'HM\BackUpWordPress\Requirement_Backup_Path_Permissions', 'Site' );

classes/class-site-size.php

@@ -8,7 +8,7 @@
 /**
  * Site Size class
  *
- * Use to calculate the total or partial size of the sites database and files.
+ * Use to calculate the total or partial size of the site's database and files.
  */
 class Site_Size {
 

functions/core.php

@@ -393,24 +393,39 @@ function rmdirtree( $dir ) {
 	@rmdir( $dir );
 
 	return true;
+
 }
 
 /**
- * Check if a backup is possible with regards to file
- * permissions etc.
+ * Check if we have read and write permission on the server
  *
  * @return bool
  */
-function is_backup_possible() {
+function has_server_permissions() {
 
-	if ( ! wp_is_writable( Path::get_path() ) || ! is_dir( Path::get_path() ) ) {
+	if ( ! wp_is_writable( Path::get_path() ) ) {
 		return false;
 	}
 
 	if ( ! is_readable( Path::get_root() ) ) {
 		return false;
 	}
 
+	return true;
+}
+
+/**
+ * Check if a backup is possible with regards to file
+ * permissions etc.
+ *
+ * @return bool
+ */
+function is_backup_possible() {
+
+	if ( ! has_server_permissions() || ! is_dir( Path::get_path() ) ) {
+		return false;
+	}
+
 	if ( ! Requirement_Mysqldump_Command_Path::test() && ! Requirement_PDO::test() ) {
 		return false;
 	}