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-rw-r--r--modules/gallery/controllers/quick.php4
-rw-r--r--modules/gallery/controllers/uploader.php2
-rw-r--r--modules/gallery/helpers/legal_file.php39
-rw-r--r--modules/gallery/helpers/system.php13
-rw-r--r--modules/gallery/libraries/Form_Uploadify.php2
-rw-r--r--modules/gallery/models/item.php18
-rw-r--r--modules/gallery/tests/System_Helper_Test.php5
7 files changed, 69 insertions, 14 deletions
diff --git a/modules/gallery/controllers/quick.php b/modules/gallery/controllers/quick.php
index ce52cb8d..b6576ec0 100644
--- a/modules/gallery/controllers/quick.php
+++ b/modules/gallery/controllers/quick.php
@@ -36,8 +36,8 @@ class Quick_Controller extends Controller {
}
if ($degrees) {
- $tmpfile = system::tempnam(TMPPATH, "rotate",
- "." . pathinfo($item->file_path(), PATHINFO_EXTENSION));
+ $tmpfile = system::temp_filename("rotate",
+ pathinfo($item->file_path(), PATHINFO_EXTENSION));
gallery_graphics::rotate($item->file_path(), $tmpfile, array("degrees" => $degrees), $item);
$item->set_data_file($tmpfile);
$item->save();
diff --git a/modules/gallery/controllers/uploader.php b/modules/gallery/controllers/uploader.php
index 5f3e9ca4..9c2bf7d7 100644
--- a/modules/gallery/controllers/uploader.php
+++ b/modules/gallery/controllers/uploader.php
@@ -51,7 +51,7 @@ class Uploader_Controller extends Controller {
$file_validation = new Validation($_FILES);
$file_validation->add_rules(
"Filedata", "upload::valid", "upload::required",
- "upload::type[" . implode(",", extensions::get_upload_extensions()) . "]");
+ "upload::type[" . implode(",", legal_file::get_extensions()) . "]");
if ($form->validate() && $file_validation->validate()) {
$temp_filename = upload::save("Filedata");
diff --git a/modules/gallery/helpers/legal_file.php b/modules/gallery/helpers/legal_file.php
new file mode 100644
index 00000000..2cb0fb25
--- /dev/null
+++ b/modules/gallery/helpers/legal_file.php
@@ -0,0 +1,39 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2011 Chad Parry
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+class legal_file_Core {
+ static function get_extensions() {
+ // Create a default list of allowed extensions and then let modules modify it.
+ $extensions_wrapper = new stdClass();
+ $extensions_wrapper->extensions = array("gif", "jpg", "jpeg", "png");
+ if (movie::find_ffmpeg()) {
+ array_push($extensions_wrapper->extensions, "flv", "mp4", "m4v");
+ }
+ module::event("legal_file_extensions", $extensions_wrapper);
+ return $extensions_wrapper->extensions;
+ }
+
+ static function get_filters() {
+ $filters = array();
+ foreach (self::get_extensions() as $extension) {
+ array_push($filters, "*." . $extension, "*." . strtoupper($extension));
+ }
+ return $filters;
+ }
+}
diff --git a/modules/gallery/helpers/system.php b/modules/gallery/helpers/system.php
index 31ecafa7..9815d588 100644
--- a/modules/gallery/helpers/system.php
+++ b/modules/gallery/helpers/system.php
@@ -43,15 +43,18 @@ class system_Core {
/**
* Create a file with a unique file name.
- * This helper is similar to the built-in tempnam, except that it supports an optional postfix.
+ * This helper is similar to the built-in tempnam.
+ * It allows the caller to specify a prefix and an extension.
+ * It always places the file in TMPPATH.
*/
- static function tempnam($dir = TMPPATH, $prefix = "", $postfix = "") {
- return self::_tempnam($dir, $prefix, $postfix, "tempnam");
+ static function temp_filename($prefix = "", $extension = "") {
+ return self::_tempnam(TMPPATH, $prefix, ".$extension", "tempnam");
}
- // This helper provides a dependency-injected implementation of tempnam.
+ /**
+ * This helper provides a dependency-injected implementation of tempnam.
+ */
static function _tempnam($dir, $prefix, $postfix, $builtin) {
- $success = false;
do {
$basename = call_user_func($builtin, $dir, $prefix);
if (!$basename) {
diff --git a/modules/gallery/libraries/Form_Uploadify.php b/modules/gallery/libraries/Form_Uploadify.php
index 884653e2..450320b3 100644
--- a/modules/gallery/libraries/Form_Uploadify.php
+++ b/modules/gallery/libraries/Form_Uploadify.php
@@ -47,7 +47,7 @@ class Form_Uploadify_Core extends Form_Input {
$v->script_data = $this->data["script_data"];
$v->simultaneous_upload_limit = module::get_var("gallery", "simultaneous_upload_limit");
$v->movies_allowed = (bool) movie::find_ffmpeg();
- $v->extensions = extensions::get_upload_filters();
+ $v->extensions = legal_file::get_filters();
$v->suhosin_session_encrypt = (bool) ini_get("suhosin.session.encrypt");
list ($toolkit_max_filesize_bytes, $toolkit_max_filesize) = graphics::max_filesize();
diff --git a/modules/gallery/models/item.php b/modules/gallery/models/item.php
index 5ccbe75c..6eb93cfa 100644
--- a/modules/gallery/models/item.php
+++ b/modules/gallery/models/item.php
@@ -418,7 +418,11 @@ class Item_Model_Core extends ORM_MPTT {
// keep it around.
$original = ORM::factory("item", $this->id);
- // Preserve the extension of the data file.
+ // Preserve the extension of the data file. Many helpers, (e.g. ImageMagick), assume
+ // the MIME type from the extension. So when we adopt the new data file, it's important
+ // to adopt the new extension. That ensures that the item's extension is always
+ // appropriate for its data. We don't try to preserve the name of the data file, though,
+ // because the name is typically a temporary randomly-generated name.
if (isset($this->data_file)) {
$extension = pathinfo($this->data_file, PATHINFO_EXTENSION);
$new_name = pathinfo($this->name, PATHINFO_FILENAME) . ".$extension";
@@ -448,11 +452,19 @@ class Item_Model_Core extends ORM_MPTT {
}
if ($original->parent_id != $this->parent_id || $original->name != $this->name) {
- // Move all of the items associated data files
$this->_build_relative_caches();
+ // If there is a data file, then we want to preserve both the old data and the new data.
+ // (Third-party event handlers would like access to both). The old data file will be
+ // accessible via the $original item, and the new one via $this item. But in that case,
+ // we don't want to rename the original as below, because the old data would end up being
+ // clobbered by the new data file. Also, the rename isn't necessary, because the new item
+ // data is coming from the data file anyway. So we only perform the rename if there isn't
+ // a data file. Another way to solve this would be to copy the original file rather than
+ // conditionally rename it, but a copy would cost far more than the rename.
if (!isset($this->data_file)) {
@rename($original->file_path(), $this->file_path());
}
+ // Move all of the items associated data files
if ($this->is_album()) {
@rename(dirname($original->resize_path()), dirname($this->resize_path()));
@rename(dirname($original->thumb_path()), dirname($this->thumb_path()));
@@ -804,7 +816,7 @@ class Item_Model_Core extends ORM_MPTT {
if (($this->is_movie() || $this->is_photo()) &&
!preg_match("/^(" .
implode("|", array_map("preg_quote",
- extensions::get_upload_extensions())) .
+ legal_file::get_extensions())) .
")\$/i", $ext)) {
$v->add_error("name", "illegal_data_file_extension");
}
diff --git a/modules/gallery/tests/System_Helper_Test.php b/modules/gallery/tests/System_Helper_Test.php
index 734f98ac..dfe5d9ab 100644
--- a/modules/gallery/tests/System_Helper_Test.php
+++ b/modules/gallery/tests/System_Helper_Test.php
@@ -18,10 +18,11 @@
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
class System_Helper_Test extends Gallery_Unit_Test_Case {
- public function tempnam_random_test() {
- $filename = system::tempnam(TMPPATH, "file", ".ext");
+ public function temp_filename_random_test() {
+ $filename = system::temp_filename("file", "ext");
$this->assert_true(file_exists($filename), "File not created");
unlink($filename);
+ $this->assert_pattern($filename, "|/file.*\\.ext$|");
}
public function tempnam_collision_test() {
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-13 10:39:01 +0000