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Commit | Line | Data |
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1d3a17c7 | 1 | <?php |
36bfab86 AD |
2 | // Original from http://www.daniweb.com/code/snippet43.html |
3 | ||
4 | require_once "config.php"; | |
404e2e36 AD |
5 | require_once "classes/db.php"; |
6 | require_once "autoload.php"; | |
889a5f9f | 7 | require_once "errorhandler.php"; |
7081aaa0 RP |
8 | require_once "lib/accept-to-gettext.php"; |
9 | require_once "lib/gettext/gettext.inc"; | |
81020562 | 10 | require_once "version.php"; |
36bfab86 | 11 | |
6cfd3c14 | 12 | $session_expire = max(SESSION_COOKIE_LIFETIME, 86400); |
3dd46f19 | 13 | $session_name = (!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME; |
36bfab86 | 14 | |
6addc13f | 15 | if (@$_SERVER['HTTPS'] == "on") { |
3d72afa1 AD |
16 | $session_name .= "_ssl"; |
17 | ini_set("session.cookie_secure", true); | |
18 | } | |
19 | ||
9ce7a554 | 20 | ini_set("session.gc_probability", 75); |
3dd46f19 | 21 | ini_set("session.name", $session_name); |
c5466b7f | 22 | ini_set("session.use_only_cookies", true); |
6cfd3c14 | 23 | ini_set("session.gc_maxlifetime", $session_expire); |
9ce7a554 | 24 | ini_set("session.cookie_lifetime", min(0, SESSION_COOKIE_LIFETIME)); |
36bfab86 | 25 | |
404e2e36 | 26 | function session_get_schema_version($nocache = false) { |
e9b74692 AD |
27 | global $schema_version; |
28 | ||
29 | if (!$schema_version) { | |
404e2e36 AD |
30 | $result = Db::get()->query("SELECT schema_version FROM ttrss_version"); |
31 | $version = Db::get()->fetch_result($result, 0, "schema_version"); | |
e9b74692 AD |
32 | $schema_version = $version; |
33 | return $version; | |
34 | } else { | |
35 | return $schema_version; | |
36 | } | |
37 | } | |
38 | ||
6322ac79 | 39 | function validate_session() { |
e9b74692 AD |
40 | if (SINGLE_USER_MODE) return true; |
41 | ||
3472c4c5 | 42 | if (VERSION_STATIC != $_SESSION["version"]) return false; |
81020562 | 43 | |
e9b74692 AD |
44 | $check_ip = $_SESSION['ip_address']; |
45 | ||
46 | switch (SESSION_CHECK_ADDRESS) { | |
47 | case 0: | |
48 | $check_ip = ''; | |
49 | break; | |
50 | case 1: | |
51 | $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+1); | |
52 | break; | |
53 | case 2: | |
54 | $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')); | |
55 | $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+1); | |
56 | break; | |
57 | }; | |
58 | ||
59 | if ($check_ip && strpos($_SERVER['REMOTE_ADDR'], $check_ip) !== 0) { | |
60 | $_SESSION["login_error_msg"] = | |
61 | __("Session failed to validate (incorrect IP)"); | |
62 | return false; | |
63 | } | |
64 | ||
04a8c206 AD |
65 | if ($_SESSION["ref_schema_version"] != session_get_schema_version(true)) { |
66 | $_SESSION["login_error_msg"] = | |
67 | __("Session failed to validate (schema version changed)"); | |
e9b74692 | 68 | return false; |
04a8c206 | 69 | } |
e9b74692 | 70 | |
04a8c206 AD |
71 | if (sha1($_SERVER['HTTP_USER_AGENT']) != $_SESSION["user_agent"]) { |
72 | $_SESSION["login_error_msg"] = | |
73 | __("Session failed to validate (user agent changed)"); | |
837ec70e | 74 | return false; |
04a8c206 | 75 | } |
837ec70e | 76 | |
e9b74692 | 77 | if ($_SESSION["uid"]) { |
404e2e36 | 78 | $result = Db::get()->query( |
e9b74692 AD |
79 | "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'"); |
80 | ||
81 | // user not found | |
404e2e36 | 82 | if (Db::get()->num_rows($result) == 0) { |
04a8c206 AD |
83 | |
84 | $_SESSION["login_error_msg"] = | |
85 | __("Session failed to validate (user not found)"); | |
86 | ||
e9b74692 AD |
87 | return false; |
88 | } else { | |
404e2e36 | 89 | $pwd_hash = Db::get()->fetch_result($result, 0, "pwd_hash"); |
e9b74692 AD |
90 | |
91 | if ($pwd_hash != $_SESSION["pwd_hash"]) { | |
04a8c206 AD |
92 | |
93 | $_SESSION["login_error_msg"] = | |
94 | __("Session failed to validate (password changed)"); | |
95 | ||
e9b74692 AD |
96 | return false; |
97 | } | |
98 | } | |
99 | } | |
100 | ||
e9b74692 AD |
101 | return true; |
102 | } | |
103 | ||
104 | ||
5be00836 | 105 | function ttrss_open ($s, $n) { |
36bfab86 AD |
106 | return true; |
107 | } | |
108 | ||
5be00836 | 109 | function ttrss_read ($id){ |
404e2e36 AD |
110 | global $session_expire; |
111 | ||
112 | $res = Db::get()->query("SELECT data FROM ttrss_sessions WHERE id='$id'"); | |
3d72afa1 | 113 | |
404e2e36 | 114 | if (Db::get()->num_rows($res) != 1) { |
36bfab86 | 115 | |
404e2e36 | 116 | $expire = time() + $session_expire; |
36bfab86 | 117 | |
404e2e36 AD |
118 | Db::get()->query("INSERT INTO ttrss_sessions (id, data, expire) |
119 | VALUES ('$id', '', '$expire')"); | |
3d72afa1 | 120 | |
36bfab86 AD |
121 | return ""; |
122 | } else { | |
404e2e36 | 123 | return base64_decode(Db::get()->fetch_result($res, 0, "data")); |
36bfab86 | 124 | } |
404e2e36 | 125 | |
36bfab86 AD |
126 | } |
127 | ||
5be00836 | 128 | function ttrss_write ($id, $data) { |
404e2e36 | 129 | global $session_expire; |
3d72afa1 | 130 | |
404e2e36 | 131 | $data = base64_encode($data); |
36bfab86 | 132 | $expire = time() + $session_expire; |
3d72afa1 | 133 | |
404e2e36 | 134 | Db::get()->query("UPDATE ttrss_sessions SET data='$data', expire='$expire' WHERE id='$id'"); |
3d72afa1 | 135 | |
36bfab86 AD |
136 | return true; |
137 | } | |
138 | ||
5be00836 | 139 | function ttrss_close () { |
36bfab86 AD |
140 | return true; |
141 | } | |
142 | ||
404e2e36 AD |
143 | function ttrss_destroy($id) { |
144 | Db::get()->query("DELETE FROM ttrss_sessions WHERE id = '$id'"); | |
3d72afa1 | 145 | |
36bfab86 AD |
146 | return true; |
147 | } | |
148 | ||
5be00836 | 149 | function ttrss_gc ($expire) { |
404e2e36 | 150 | Db::get()->query("DELETE FROM ttrss_sessions WHERE expire < " . time()); |
36bfab86 AD |
151 | } |
152 | ||
5c81e817 | 153 | if (!SINGLE_USER_MODE /* && DB_TYPE == "pgsql" */) { |
3d72afa1 AD |
154 | session_set_save_handler("ttrss_open", |
155 | "ttrss_close", "ttrss_read", "ttrss_write", | |
5be00836 | 156 | "ttrss_destroy", "ttrss_gc"); |
404e2e36 | 157 | register_shutdown_function('session_write_close'); |
8fd92701 | 158 | } |
d620cfe7 | 159 | |
9ce7a554 AD |
160 | if (!defined('NO_SESSION_AUTOSTART')) { |
161 | if (isset($_COOKIE[session_name()])) { | |
5160620c AD |
162 | @session_start(); |
163 | } | |
964f1533 | 164 | } |
36bfab86 | 165 | ?> |