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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 | |
09628e1b | 12 | $session_expire = min(2147483647 - time() - 1, max(SESSION_COOKIE_LIFETIME, 86400)); |
3dd46f19 | 13 | $session_name = (!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME; |
36bfab86 | 14 | |
1b5b1e5f | 15 | if (is_server_https()) { |
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 | |
7b55001e | 26 | function session_get_schema_version() { |
e9b74692 AD |
27 | global $schema_version; |
28 | ||
29 | if (!$schema_version) { | |
4d13514d AD |
30 | $row = Db::pdo()->query("SELECT schema_version FROM ttrss_version")->fetch(); |
31 | ||
32 | $version = $row["schema_version"]; | |
33 | ||
e9b74692 AD |
34 | $schema_version = $version; |
35 | return $version; | |
36 | } else { | |
37 | return $schema_version; | |
38 | } | |
39 | } | |
40 | ||
6322ac79 | 41 | function validate_session() { |
e9b74692 AD |
42 | if (SINGLE_USER_MODE) return true; |
43 | ||
7b55001e | 44 | if (isset($_SESSION["ref_schema_version"]) && $_SESSION["ref_schema_version"] != session_get_schema_version()) { |
04a8c206 AD |
45 | $_SESSION["login_error_msg"] = |
46 | __("Session failed to validate (schema version changed)"); | |
e9b74692 | 47 | return false; |
04a8c206 | 48 | } |
4d13514d | 49 | $pdo = Db::pdo(); |
e9b74692 AD |
50 | |
51 | if ($_SESSION["uid"]) { | |
7d53c2b5 AD |
52 | |
53 | if (!defined('_SKIP_SESSION_ADDRESS_CHECKS') || !_SKIP_SESSION_ADDRESS_CHECKS) { | |
54 | if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) { | |
55 | $_SESSION["login_error_msg"] = __("Session failed to validate."); | |
56 | return false; | |
57 | } | |
58 | } | |
59 | ||
60 | if ($_SESSION["user_agent"] != sha1($_SERVER['HTTP_USER_AGENT'])) { | |
61 | $_SESSION["login_error_msg"] = __("Session failed to validate."); | |
62 | return false; | |
63 | } | |
64 | ||
4d13514d AD |
65 | $sth = $pdo->prepare("SELECT pwd_hash FROM ttrss_users WHERE id = ?"); |
66 | $sth->execute([$_SESSION['uid']]); | |
e9b74692 AD |
67 | |
68 | // user not found | |
4d13514d AD |
69 | if ($row = $sth->fetch()) { |
70 | $pwd_hash = $row["pwd_hash"]; | |
71 | ||
72 | if ($pwd_hash != $_SESSION["pwd_hash"]) { | |
04a8c206 | 73 | |
4d13514d AD |
74 | $_SESSION["login_error_msg"] = |
75 | __("Session failed to validate (password changed)"); | |
04a8c206 | 76 | |
4d13514d AD |
77 | return false; |
78 | } | |
e9b74692 | 79 | } else { |
e9b74692 | 80 | |
4d13514d AD |
81 | $_SESSION["login_error_msg"] = |
82 | __("Session failed to validate (user not found)"); | |
04a8c206 | 83 | |
4d13514d | 84 | return false; |
04a8c206 | 85 | |
e9b74692 AD |
86 | } |
87 | } | |
88 | ||
e9b74692 AD |
89 | return true; |
90 | } | |
91 | ||
7b55001e AD |
92 | /** |
93 | * @SuppressWarnings(PHPMD.UnusedFormalParameter) | |
94 | */ | |
5be00836 | 95 | function ttrss_open ($s, $n) { |
36bfab86 AD |
96 | return true; |
97 | } | |
98 | ||
5be00836 | 99 | function ttrss_read ($id){ |
404e2e36 AD |
100 | global $session_expire; |
101 | ||
4d13514d AD |
102 | $sth = Db::pdo()->prepare("SELECT data FROM ttrss_sessions WHERE id=?"); |
103 | $sth->execute([$id]); | |
3d72afa1 | 104 | |
4d13514d AD |
105 | if ($row = $sth->fetch()) { |
106 | return base64_decode($row["data"]); | |
36bfab86 | 107 | |
4d13514d AD |
108 | } else { |
109 | $expire = time() + $session_expire; | |
36bfab86 | 110 | |
4d13514d AD |
111 | $sth = Db::pdo()->prepare("INSERT INTO ttrss_sessions (id, data, expire) |
112 | VALUES (?, '', ?)"); | |
113 | $sth->execute([$id, $expire]); | |
114 | ||
115 | return ""; | |
3d72afa1 | 116 | |
36bfab86 | 117 | } |
404e2e36 | 118 | |
36bfab86 AD |
119 | } |
120 | ||
5be00836 | 121 | function ttrss_write ($id, $data) { |
404e2e36 | 122 | global $session_expire; |
3d72afa1 | 123 | |
404e2e36 | 124 | $data = base64_encode($data); |
36bfab86 | 125 | $expire = time() + $session_expire; |
3d72afa1 | 126 | |
4d13514d AD |
127 | $sth = Db::pdo()->prepare("UPDATE ttrss_sessions SET data=?, expire=? WHERE id=?"); |
128 | $sth->execute([$data, $expire, $id]); | |
3d72afa1 | 129 | |
36bfab86 AD |
130 | return true; |
131 | } | |
132 | ||
5be00836 | 133 | function ttrss_close () { |
36bfab86 AD |
134 | return true; |
135 | } | |
136 | ||
404e2e36 | 137 | function ttrss_destroy($id) { |
4d13514d AD |
138 | $sth = Db::pdo()->prepare("DELETE FROM ttrss_sessions WHERE id = ?"); |
139 | $sth->execute([$id]); | |
3d72afa1 | 140 | |
36bfab86 AD |
141 | return true; |
142 | } | |
143 | ||
7b55001e AD |
144 | /** |
145 | * @SuppressWarnings(PHPMD.UnusedFormalParameter) | |
146 | */ | |
5be00836 | 147 | function ttrss_gc ($expire) { |
4d13514d | 148 | Db::pdo()->query("DELETE FROM ttrss_sessions WHERE expire < " . time()); |
33d131d6 AD |
149 | |
150 | return true; | |
36bfab86 AD |
151 | } |
152 | ||
5c81e817 | 153 | if (!SINGLE_USER_MODE /* && DB_TYPE == "pgsql" */) { |
3d72afa1 AD |
154 | session_set_save_handler("ttrss_open", |
155 | "ttrss_close", "ttrss_read", "ttrss_write", | |
5be00836 | 156 | "ttrss_destroy", "ttrss_gc"); |
404e2e36 | 157 | register_shutdown_function('session_write_close'); |
8fd92701 | 158 | } |
d620cfe7 | 159 | |
9ce7a554 AD |
160 | if (!defined('NO_SESSION_AUTOSTART')) { |
161 | if (isset($_COOKIE[session_name()])) { | |
5160620c AD |
162 | @session_start(); |
163 | } | |
964f1533 | 164 | } |