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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"; | |
5 | require_once "db.php"; | |
7081aaa0 RP |
6 | require_once "lib/accept-to-gettext.php"; |
7 | require_once "lib/gettext/gettext.inc"; | |
36bfab86 | 8 | |
6cfd3c14 | 9 | $session_expire = max(SESSION_COOKIE_LIFETIME, 86400); |
3dd46f19 | 10 | $session_name = (!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME; |
36bfab86 | 11 | |
6addc13f | 12 | if (@$_SERVER['HTTPS'] == "on") { |
3d72afa1 AD |
13 | $session_name .= "_ssl"; |
14 | ini_set("session.cookie_secure", true); | |
15 | } | |
16 | ||
36bfab86 | 17 | ini_set("session.gc_probability", 50); |
3dd46f19 | 18 | ini_set("session.name", $session_name); |
c5466b7f | 19 | ini_set("session.use_only_cookies", true); |
6cfd3c14 | 20 | ini_set("session.gc_maxlifetime", $session_expire); |
36bfab86 | 21 | |
16868097 AD |
22 | global $session_connection; |
23 | ||
24 | $session_connection = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME); | |
25 | ||
e9b74692 AD |
26 | function session_get_schema_version($link, $nocache = false) { |
27 | global $schema_version; | |
28 | ||
29 | if (!$schema_version) { | |
30 | $result = db_query($link, "SELECT schema_version FROM ttrss_version"); | |
31 | $version = db_fetch_result($result, 0, "schema_version"); | |
32 | $schema_version = $version; | |
33 | return $version; | |
34 | } else { | |
35 | return $schema_version; | |
36 | } | |
37 | } | |
38 | ||
39 | function validate_session($link) { | |
40 | if (SINGLE_USER_MODE) return true; | |
16868097 | 41 | if (!$link) return false; |
e9b74692 AD |
42 | |
43 | $check_ip = $_SESSION['ip_address']; | |
44 | ||
45 | switch (SESSION_CHECK_ADDRESS) { | |
46 | case 0: | |
47 | $check_ip = ''; | |
48 | break; | |
49 | case 1: | |
50 | $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+1); | |
51 | break; | |
52 | case 2: | |
53 | $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')); | |
54 | $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+1); | |
55 | break; | |
56 | }; | |
57 | ||
58 | if ($check_ip && strpos($_SERVER['REMOTE_ADDR'], $check_ip) !== 0) { | |
59 | $_SESSION["login_error_msg"] = | |
60 | __("Session failed to validate (incorrect IP)"); | |
61 | return false; | |
62 | } | |
63 | ||
64 | if ($_SESSION["ref_schema_version"] != session_get_schema_version($link, true)) | |
65 | return false; | |
66 | ||
837ec70e AD |
67 | if (sha1($_SERVER['HTTP_USER_AGENT']) != $_SESSION["user_agent"]) |
68 | return false; | |
69 | ||
e9b74692 AD |
70 | if ($_SESSION["uid"]) { |
71 | $result = db_query($link, | |
72 | "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'"); | |
73 | ||
74 | // user not found | |
75 | if (db_num_rows($result) == 0) { | |
76 | return false; | |
77 | } else { | |
78 | $pwd_hash = db_fetch_result($result, 0, "pwd_hash"); | |
79 | ||
80 | if ($pwd_hash != $_SESSION["pwd_hash"]) { | |
81 | return false; | |
82 | } | |
83 | } | |
84 | } | |
85 | ||
86 | /* if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) { | |
87 | ||
88 | //print_r($_SESSION); | |
89 | ||
90 | if (time() > $_SESSION["cookie_lifetime"]) { | |
91 | return false; | |
92 | } | |
93 | } */ | |
94 | ||
95 | return true; | |
96 | } | |
97 | ||
98 | ||
5be00836 | 99 | function ttrss_open ($s, $n) { |
3d72afa1 | 100 | |
36bfab86 | 101 | global $session_connection; |
3d72afa1 | 102 | |
36bfab86 AD |
103 | return true; |
104 | } | |
105 | ||
5be00836 | 106 | function ttrss_read ($id){ |
3d72afa1 AD |
107 | |
108 | global $session_connection,$session_read; | |
36bfab86 | 109 | |
7a293008 | 110 | $query = "SELECT data FROM ttrss_sessions WHERE id='$id'"; |
36bfab86 AD |
111 | |
112 | $res = db_query($session_connection, $query); | |
3d72afa1 | 113 | |
36bfab86 AD |
114 | if (db_num_rows($res) != 1) { |
115 | return ""; | |
116 | } else { | |
117 | $session_read = db_fetch_assoc($res); | |
118 | $session_read["data"] = base64_decode($session_read["data"]); | |
119 | return $session_read["data"]; | |
120 | } | |
121 | } | |
122 | ||
5be00836 | 123 | function ttrss_write ($id, $data) { |
3d72afa1 AD |
124 | |
125 | if (! $data) { | |
126 | return false; | |
36bfab86 | 127 | } |
3d72afa1 | 128 | |
36bfab86 | 129 | global $session_connection, $session_read, $session_expire; |
3d72afa1 | 130 | |
36bfab86 | 131 | $expire = time() + $session_expire; |
3d72afa1 | 132 | |
3972bf59 | 133 | $data = db_escape_string($session_connection, base64_encode($data), false); |
3d72afa1 | 134 | |
36bfab86 | 135 | if ($session_read) { |
3d72afa1 AD |
136 | $query = "UPDATE ttrss_sessions SET data='$data', |
137 | expire='$expire' WHERE id='$id'"; | |
36bfab86 | 138 | } else { |
a2e9b457 AD |
139 | $query = "INSERT INTO ttrss_sessions (id, data, expire) |
140 | VALUES ('$id', '$data', '$expire')"; | |
36bfab86 | 141 | } |
3d72afa1 | 142 | |
36bfab86 AD |
143 | db_query($session_connection, $query); |
144 | return true; | |
145 | } | |
146 | ||
5be00836 | 147 | function ttrss_close () { |
3d72afa1 | 148 | |
36bfab86 | 149 | global $session_connection; |
3d72afa1 | 150 | |
3972bf59 | 151 | //db_close($session_connection); |
3d72afa1 | 152 | |
36bfab86 AD |
153 | return true; |
154 | } | |
155 | ||
5be00836 | 156 | function ttrss_destroy ($id) { |
3d72afa1 | 157 | |
36bfab86 | 158 | global $session_connection; |
09018e95 | 159 | |
7a293008 | 160 | $query = "DELETE FROM ttrss_sessions WHERE id = '$id'"; |
3d72afa1 | 161 | |
36bfab86 | 162 | db_query($session_connection, $query); |
3d72afa1 | 163 | |
36bfab86 AD |
164 | return true; |
165 | } | |
166 | ||
5be00836 | 167 | function ttrss_gc ($expire) { |
3d72afa1 | 168 | |
36bfab86 | 169 | global $session_connection; |
3d72afa1 | 170 | |
36bfab86 | 171 | $query = "DELETE FROM ttrss_sessions WHERE expire < " . time(); |
3d72afa1 | 172 | |
36bfab86 AD |
173 | db_query($session_connection, $query); |
174 | } | |
175 | ||
5c81e817 | 176 | if (!SINGLE_USER_MODE /* && DB_TYPE == "pgsql" */) { |
3d72afa1 AD |
177 | session_set_save_handler("ttrss_open", |
178 | "ttrss_close", "ttrss_read", "ttrss_write", | |
5be00836 | 179 | "ttrss_destroy", "ttrss_gc"); |
8fd92701 | 180 | } |
d620cfe7 | 181 | |
964f1533 | 182 | if (!defined('TTRSS_SESSION_NAME') || TTRSS_SESSION_NAME != 'ttrss_api_sid') { |
2137d674 | 183 | if (isset($_COOKIE[$session_name])) { |
5160620c | 184 | @session_start(); |
60ed4c9a | 185 | |
e9b74692 | 186 | if (!isset($_SESSION["uid"]) || !$_SESSION["uid"] || !validate_session($session_connection)) { |
60ed4c9a | 187 | session_destroy(); |
2137d674 | 188 | setcookie(session_name(), '', time()-42000, '/'); |
60ed4c9a | 189 | } |
5160620c | 190 | } |
964f1533 | 191 | } |
36bfab86 | 192 | ?> |