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MDL-14992 towards new moodle db sessions

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This commit is contained in:
skodak
2009-01-14 18:32:57 +00:00
parent ae1467bbff
commit f61a032afc
2 changed files with 40 additions and 24 deletions
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lib/sessionlib.php
+39 -24
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@@ -8,7 +8,8 @@ function session_get_instance() {
static $session = null;
if (is_null($session)) {
$session = new moodle_session();
$session = new legacy_session();
// TODO: add db and custom session class support here
}
return $session;
@@ -17,7 +18,7 @@ function session_get_instance() {
/**
* Class handling all session and cookies related stuff.
*/
class moodle_session {
abstract class moodle_session {
public function __construct() {
global $CFG;
$this->prepare_cookies();
@@ -204,32 +205,46 @@ class moodle_session {
/**
* Inits session storage.
*/
protected abstract function init_session_storage();
}
/**
* Legacy moodle sessions stored in files, not recommended any more.
*/
class legacy_session extends moodle_session {
protected function init_session_storage() {
global $CFG;
/// Set up session handling
if(empty($CFG->respectsessionsettings)) {
if (true) { /// File-based sessions
// Some distros disable GC by setting probability to 0
// overriding the PHP default of 1
// (gc_probability is divided by gc_divisor, which defaults to 1000)
if (ini_get('session.gc_probability') == 0) {
ini_set('session.gc_probability', 1);
}
if (!empty($CFG->sessiontimeout)) {
ini_set('session.gc_maxlifetime', $CFG->sessiontimeout);
}
if (!file_exists($CFG->dataroot .'/sessions')) {
make_upload_directory('sessions');
}
ini_set('session.save_path', $CFG->dataroot .'/sessions');
} else { /// Database sessions
// TODO: implement proper database session storage
}
// Some distros disable GC by setting probability to 0
// overriding the PHP default of 1
// (gc_probability is divided by gc_divisor, which defaults to 1000)
if (ini_get('session.gc_probability') == 0) {
ini_set('session.gc_probability', 1);
}
if (!empty($CFG->sessiontimeout)) {
ini_set('session.gc_maxlifetime', $CFG->sessiontimeout);
}
if (!file_exists($CFG->dataroot .'/sessions')) {
make_upload_directory('sessions');
}
if (!is_writable($CFG->dataroot .'/sessions/')) {
print_error('sessionnotwritable', 'error');
}
ini_set('session.save_path', $CFG->dataroot .'/sessions');
}
}
/**
* Recommended moodle session storage.
*/
class database_session extends moodle_session {
protected function init_session_storage() {
global $CFG;
}
}