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<?php |
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namespace SilverStripe\Security\MemberAuthenticator; |
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use SilverStripe\Control\Cookie; |
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use SilverStripe\Control\RequestHandler; |
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use SilverStripe\Control\Session; |
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use SilverStripe\Security\Member; |
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use SilverStripe\Security\RememberLoginHash; |
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use SilverStripe\Security\Security; |
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/** |
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* Class LogoutHandler handles logging out Members from their session and/or cookie. |
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* The logout process destroys all traces of the member on the server (not the actual computer user |
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* at the other end of the line, don't worry) |
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* |
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* @package SilverStripe\Security\MemberAuthenticator |
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*/ |
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class LogoutHandler extends RequestHandler |
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{ |
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/** |
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* @var array |
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*/ |
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private static $url_handlers = [ |
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'' => 'logout' |
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]; |
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/** |
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* @var array |
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*/ |
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private static $allowed_actions = [ |
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'logout' |
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]; |
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/** |
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* Log out form handler method |
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* |
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* This method is called when the user clicks on "logout" on the form |
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* created when the parameter <i>$checkCurrentUser</i> of the |
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* {@link __construct constructor} was set to TRUE and the user was |
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* currently logged in. |
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* |
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* @return bool|Member |
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*/ |
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public function logout() |
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{ |
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$member = Security::getCurrentUser(); |
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return $this->doLogOut($member); |
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} |
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/** |
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* |
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* @param Member $member |
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* @return bool|Member Return a member if something goes wrong |
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*/ |
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public function doLogOut($member) |
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{ |
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if ($member instanceof Member) { |
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Session::clear('loggedInAs'); |
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if (Member::config()->get('login_marker_cookie')) { |
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Cookie::set(Member::config()->get('login_marker_cookie'), null, 0); |
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} |
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Session::destroy(); |
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// Clears any potential previous hashes for this member |
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RememberLoginHash::clear($member, Cookie::get('alc_device')); |
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Cookie::set('alc_enc', null); // // Clear the Remember Me cookie |
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Cookie::force_expiry('alc_enc'); |
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Cookie::set('alc_device', null); |
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Cookie::force_expiry('alc_device'); |
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// Switch back to live in order to avoid infinite loops when |
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// redirecting to the login screen (if this login screen is versioned) |
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Session::clear('readingMode'); |
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// Remove the member from Security, for Security reasons |
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Security::setCurrentUser(null); |
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} |
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return true; |
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} |
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} |
sminnee /
silverstripe-framework
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