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
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
<?php
function update_self($link, $force = false) {
// __FILE__ is in include/ so we need to go one level up
$work_dir = dirname(dirname(__FILE__));
$parent_dir = dirname($work_dir);
if (!is_writable($work_dir) && !is_writable("$parent_dir")) {
_debug("Both current and parent directories should be writable as current user.");
exit;
}
if (!file_exists("$work_dir/config.php") || !file_exists("$work_dir/include/sanity_check.php")) {
_debug("Work directory $work_dir doesn't look like tt-rss installation.");
exit;
}
if (!is_writable(sys_get_temp_dir())) {
_debug("System temporary directory should be writable as current user.");
exit;
}
_debug("Checking for tar...");
$system_rc = 0;
system("tar --version >/dev/null", $system_rc);
if ($system_rc != 0) {
_debug("Could not run tar executable (RC=$system_rc).");
exit;
}
_debug("Checking for latest version...");
$version_info = json_decode(fetch_file_contents("http://tt-rss.org/version.php"),
true);
if (!is_array($version_info)) {
_debug("Unable to fetch version information.");
exit;
}
$target_version = $version_info["version"];
$target_dir = "$parent_dir/tt-rss-$target_version";
_debug("Target version: $target_version");
if (version_compare(VERSION, $target_version) != -1 && !$force) {
_debug("Your Tiny Tiny RSS installation is up to date.");
exit;
}
if (file_exists($target_dir)) {
_debug("Target directory $target_dir already exists.");
exit;
}
_debug("Downloading checksums...");
$md5sum_data = fetch_file_contents("http://tt-rss.org/download/md5sum.txt");
if (!$md5sum_data) {
_debug("Could not download checksums.");
exit;
}
$md5sum_data = explode("\n", $md5sum_data);
$tarball_url = "http://tt-rss.org/download/tt-rss-$target_version.tar.gz";
$data = fetch_file_contents($tarball_url);
if (!$data) {
_debug("Could not download distribution tarball ($tarball_url).");
exit;
}
_debug("Verifying tarball checksum...");
$target_md5sum = false;
foreach ($md5sum_data as $line) {
$pair = explode(" ", $line);
if ($pair[1] == "tt-rss-$target_version.tar.gz") {
$target_md5sum = $pair[0];
break;
}
}
if (!$target_md5sum) {
_debug("Unable to locate checksum for target version.");
exit;
}
$test_md5sum = md5($data);
if ($test_md5sum != $target_md5sum) {
_debug("Downloaded checksum doesn't match (got $test_md5sum, expected $target_md5sum).");
exit;
}
$tmp_file = tempnam(sys_get_temp_dir(), 'tt-rss');
_debug("Saving download to $tmp_file");
if (!file_put_contents($tmp_file, $data)) {
_debug("Unable to save download.");
exit;
}
if (!chdir($parent_dir)) {
_debug("Unable to change into parent directory.");
exit;
}
$old_dir = tmpdirname($parent_dir, "tt-rss-old");
_debug("Renaming tt-rss directory to ".basename($old_dir));
if (!rename($work_dir, $old_dir)) {
_debug("Unable to rename tt-rss directory.");
exit;
}
_debug("Extracting tarball...");
system("tar zxf $tmp_file", $system_rc);
if ($system_rc != 0) {
_debug("Error while extracting tarball (RC=$system_rc).");
exit;
}
_debug("Renaming target directory...");
if (!rename($target_dir, $work_dir)) {
_debug("Unable to rename target directory.");
exit;
}
chdir($work_dir);
_debug("Copying config.php...");
if (!copy("$old_dir/config.php", "$work_dir/config.php")) {
_debug("Unable to copy config.php to $work_dir.");
exit;
}
_debug("Cleaning up...");
unlink($tmp_file);
_debug("Fixing permissions...");
$directories = array(
CACHE_DIR,
CACHE_DIR . "/htmlpurifier",
CACHE_DIR . "/export",
CACHE_DIR . "/images",
CACHE_DIR . "/magpie",
CACHE_DIR . "/simplepie",
ICONS_DIR,
LOCK_DIRECTORY);
foreach ($directories as $dir) {
_debug("-> $dir");
chmod($dir, 0777);
}
_debug("Upgrade completed.");
_debug("Your old tt-rss directory is saved at $old_dir. ".
"Please migrate locally modified files (if any) and remove it.");
_debug("You might need to re-enter current directory in shell to see new files.");
}
?>
|
