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Squashed commit of the following: commit13dbd3515bMerge:f0f094c97400b7Author: Chad Parry <github@chad.parry.org> Date: Sat Apr 30 20:33:02 2011 -0600 Merge branch 'master' of https://github.com/gallery/gallery3 into rawphoto commitf0f094c3f7Author: Chad Parry <github@chad.parry.org> Date: Sat Apr 30 20:22:49 2011 -0600 Explain the conditional rename in item::save() with a comment. commit1b3a6b85c1Author: Chad Parry <github@chad.parry.org> Date: Sat Apr 30 18:29:34 2011 -0600 Improve the comment explaining why the data_file extension is important. commitc3e8c1e3b5Author: Chad Parry <github@chad.parry.org> Date: Sat Apr 30 18:12:56 2011 -0600 The data_file field is public, so we don't need to supply an accessor method. commit2375a02e2cAuthor: Chad Parry <github@chad.parry.org> Date: Sat Apr 30 16:40:55 2011 -0600 Change the signature of system::tempnam to something more appropriate for Gallery. commita8ca9dcf9eAuthor: Chad Parry <github@chad.parry.org> Date: Sat Apr 30 16:10:06 2011 -0600 Change the name of the extensions helper to legal_file. commit7e61a01a96Author: Chad Parry <github@chad.parry.org> Date: Sat Apr 30 16:08:49 2011 -0600 Change the name of the extensions helper to legal_file. commit4c2b2ebd3fAuthor: Chad Parry <github@chad.parry.org> Date: Wed Apr 27 20:52:35 2011 -0600 Remove a newline at the end of the file that I accidentally introduced. commit6d564f185eMerge:7ff485f4060640Author: Chad Parry <github@chad.parry.org> Date: Wed Apr 27 20:35:58 2011 -0600 Merge branch 'master' of https://github.com/gallery/gallery3 into rawphoto commit7ff485fa48Author: Chad Parry <github@chad.parry.org> Date: Wed Apr 27 20:29:06 2011 -0600 Move the extensions helpers out of the Kohana system directory and into their own Gallery Extensions class. commit26585fed03Merge:809567fc8f90e8Author: Chad Parry <github@chad.parry.org> Date: Sun Apr 24 08:28:39 2011 -0600 Merge branch 'master' of https://github.com/gallery/gallery3 into rawphoto commit809567f128Author: Chad Parry <github@chad.parry.org> Date: Sun Apr 24 08:10:04 2011 -0600 Expose the data file field. commitfcb06bf175Author: Chad Parry <github@chad.parry.org> Date: Sun Apr 24 00:45:12 2011 -0600 Don't assign to the item->name field if the name is unchanged, because the save method will crash. commitc6ef706d70Author: Chad Parry <github@chad.parry.org> Date: Sat Apr 23 22:55:59 2011 -0600 Preserve old data files long enough for them to be available to event handlers. commit0d6a3a3cfcAuthor: Chad Parry <github@chad.parry.org> Date: Sat Apr 23 21:19:47 2011 -0600 Create a tempnam substitute that safely creates files with a given extension. commite149cf7238Author: Chad Parry <github@chad.parry.org> Date: Sat Apr 23 16:39:25 2011 -0600 Support data files that change their extension and MIME type. commit6702104f57Author: Chad Parry <github@chad.parry.org> Date: Sat Apr 23 16:35:00 2011 -0600 Resolve an infinite recursion that happens when the path caches are updated during saving. commit944cb72eeaMerge:567522b5af74d4Author: Chad Parry <github@chad.parry.org> Date: Fri Apr 22 14:10:42 2011 -0600 Merge remote branch 'origin/master' into rawphoto commit567522bfa0Author: Chad Parry <github@chad.parry.org> Date: Thu Apr 21 20:12:32 2011 -0600 Add an event for when a new graphics toolkit is chosen. commit31ba081b79Author: Chad Parry <github@chad.parry.org> Date: Thu Apr 21 02:06:53 2011 -0600 Add an event that will collect all valid filename extensions.
71 lines
2.5 KiB
PHP
71 lines
2.5 KiB
PHP
<?php defined("SYSPATH") or die("No direct script access.");
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/**
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* Gallery - a web based photo album viewer and editor
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* Copyright (C) 2000-2011 Bharat Mediratta
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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class system_Core {
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/**
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* Return the path to an executable version of the named binary, or null.
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* Traverse the PATH environment variable looking for the given file. If
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* the $priority_path variable is set, check that path first.
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*/
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static function find_binary($binary, $priority_path=null) {
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$paths = array_merge(
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explode(":", getenv("PATH")),
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explode(":", module::get_var("gallery", "extra_binary_paths")));
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if ($priority_path) {
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array_unshift($paths, $priority_path);
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}
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foreach ($paths as $path) {
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$candidate = "$path/$binary";
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// @suppress errors below to avoid open_basedir issues
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if (@file_exists($candidate) && @is_executable($candidate)) {
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return $candidate;
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}
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}
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return null;
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}
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/**
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* Create a file with a unique file name.
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* This helper is similar to the built-in tempnam.
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* It allows the caller to specify a prefix and an extension.
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* It always places the file in TMPPATH.
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*/
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static function temp_filename($prefix = "", $extension = "") {
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return self::_tempnam(TMPPATH, $prefix, ".$extension", "tempnam");
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}
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/**
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* This helper provides a dependency-injected implementation of tempnam.
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*/
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static function _tempnam($dir, $prefix, $postfix, $builtin) {
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do {
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$basename = call_user_func($builtin, $dir, $prefix);
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if (!$basename) {
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return false;
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}
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$filename = $basename . $postfix;
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$success = !file_exists($filename) && @rename($basename, $filename);
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if (!$success) {
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@unlink($basename);
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}
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} while (!$success);
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return $filename;
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}
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} |