1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2013 Bharat Mediratta
*
* 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 upgrade_checker_Core {
const CHECK_URL = "http://gallery.menalto.com/versioncheck/gallery3";
const AUTO_CHECK_INTERVAL = 604800; // 7 days in seconds
/**
* Return the last version info blob retrieved from the Gallery website or
* null if no checks have been performed.
*/
static function version_info() {
return unserialize(Cache::instance()->get("upgrade_checker_version_info"));
}
/**
* Return true if auto checking is enabled.
*/
static function auto_check_enabled() {
return (bool)module::get_var("gallery", "upgrade_checker_auto_enabled");
}
/**
* Return true if it's time to auto check.
*/
static function should_auto_check() {
if (upgrade_checker::auto_check_enabled() && random::int(1, 100) == 1) {
$version_info = upgrade_checker::version_info();
return (!$version_info ||
(time() - $version_info->timestamp) > upgrade_checker::AUTO_CHECK_INTERVAL);
}
return false;
}
/**
* Fech version info from the Gallery website.
*/
static function fetch_version_info() {
$result = new stdClass();
try {
list ($status, $headers, $body) = remote::do_request(upgrade_checker::CHECK_URL);
if ($status == "HTTP/1.1 200 OK") {
$result->status = "success";
foreach (explode("\n", $body) as $line) {
if ($line) {
list($key, $val) = explode("=", $line, 2);
$result->data[$key] = $val;
}
}
} else {
$result->status = "error";
}
} catch (Exception $e) {
Kohana_Log::add("error",
sprintf("%s in %s at line %s:\n%s", $e->getMessage(), $e->getFile(),
$e->getLine(), $e->getTraceAsString()));
}
$result->timestamp = time();
Cache::instance()->set("upgrade_checker_version_info", serialize($result),
array("upgrade"), 86400 * 365);
}
/**
* Check the latest version info blob to see if it's time for an upgrade.
*/
static function get_upgrade_message() {
$version_info = upgrade_checker::version_info();
if ($version_info) {
if (gallery::RELEASE_CHANNEL == "release") {
if (version_compare($version_info->data["release_version"], gallery::VERSION, ">")) {
return t("A newer version of Gallery is available! <a href=\"%upgrade-url\">Upgrade now</a> to version %version",
array("version" => $version_info->data["release_version"],
"upgrade-url" => $version_info->data["release_upgrade_url"]));
}
} else {
$branch = gallery::RELEASE_BRANCH;
if (isset($version_info->data["branch_{$branch}_build_number"]) &&
version_compare($version_info->data["branch_{$branch}_build_number"],
gallery::build_number(), ">")) {
return t("A newer version of Gallery is available! <a href=\"%upgrade-url\">Upgrade now</a> to version %version (build %build on branch %branch)",
array("version" => $version_info->data["branch_{$branch}_version"],
"upgrade-url" => $version_info->data["branch_{$branch}_upgrade_url"],
"build" => $version_info->data["branch_{$branch}_build_number"],
"branch" => $branch));
}
}
}
}
}
|
