Make sure the path can be written to.

Signed-off-by: Roland Häder <roland@mxchange.org>

diff --git a/inc/classes/exceptions/file_directory/class_PathWriteProtectedException.php b/inc/classes/exceptions/file_directory/class_PathWriteProtectedException.php
new file mode 100644 (file)
index 0000000..67b8bf0
--- /dev/null
+++ b/inc/classes/exceptions/file_directory/class_PathWriteProtectedException.php
@@ -0,0 +1,42 @@
+<?php
+/**
+ * An exception thrown when a path cannot be written to.
+ *
+ * @author             Roland Haeder <webmaster@shipsimu.org>
+ * @version            0.0.0
+ * @copyright  Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2015 Core Developer Team
+ * @license            GNU GPL 3.0 or any newer version
+ * @link               http://www.shipsimu.org
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+class FileWriteProtectedException extends FrameworkException {
+       /**
+        * The constructor
+        *
+        * @param       $fqfn   Full-qualified file name
+        * @param       $code   Code number for the exception
+        * @return      void
+        */
+       public function __construct ($fqfn, $code) {
+               // Add a message around the missing class
+               $message = sprintf('Path %s cannot be written to. Please check permissions.', dirname($fqfn));
+
+               // Call parent constructor
+               parent::__construct($message, $code);
+       }
+}
+
+// [EOF]
+?>

diff --git a/inc/classes/main/file_directories/io/class_FrameworkFileInputOutputPointer.php b/inc/classes/main/file_directories/io/class_FrameworkFileInputOutputPointer.php
index 08ac7811baaa310d45bedf7766af82d52c3e6df5..ae372f3532b56aeb6321b892855dca0c96edfd6b 100644 (file)
--- a/inc/classes/main/file_directories/io/class_FrameworkFileInputOutputPointer.php
+++ b/inc/classes/main/file_directories/io/class_FrameworkFileInputOutputPointer.php
@@ -41,6 +41,7 @@ class FrameworkFileInputOutputPointer extends BaseFileIo implements InputOutputP
         * @throws      FileIsEmptyException            If the given file name is NULL or empty
         * @throws      FileReadProtectedException      If PHP cannot read an existing file
         * @throws      FileWriteProtectedException     If PHP cannot write an existing file
+        * @throws      PathWriteProtectedException     If PHP cannot write to an existing path
         * @throws      FileIoException                         If fopen() returns not a file resource
         */
        public static final function createFrameworkFileInputOutputPointer ($fileName) {
@@ -57,6 +58,9 @@ class FrameworkFileInputOutputPointer extends BaseFileIo implements InputOutputP
                } elseif ((file_exists($fileName)) && (!is_writable($fileName))) {
                        // File exists but cannot be written
                        throw new FileWriteProtectedException($fileName, self::EXCEPTION_FILE_CANNOT_BE_WRITTEN);
+               } elseif (!is_writable(dirname($fileName))) {
+                       // Path is not writable
+                       throw new PathWriteProtectedException($fileName, self::EXCEPTION_PATH_CANNOT_BE_WRITTEN);
                }
 
                // Try to open a handler