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<?php
require_once 'OAuth.php';
/**
* Data access interface
*
* This interface specifies data access methods libomb needs. It should be
* implemented by libomb users. OMB_Datastore is libomb’s main interface to the
* application’s data. Objects corresponding to this interface are used in
* OMB_Service_Provider and OMB_Service_Consumer.
*
* Note that it’s implemented as a class since OAuthDataStore is as well a
* class, though only declaring methods.
*
* OMB_Datastore extends OAuthDataStore with two OAuth-related methods for token
* revoking and authorizing and all OMB-related methods.
* Refer to OAuth.php for a complete specification of OAuth-related methods.
*
* It is the user’s duty to signal and handle errors. libomb does not check
* return values nor handle exceptions. It is suggested to use exceptions.
* Note that lookup_token and getProfile return null if the requested object
* is not available. This is NOT an error and should not raise an exception.
* Same applies for lookup_nonce which returns a boolean value. These methods
* may nevertheless throw an exception, for example in case of a storage errors.
*
* Most of the parameters passed to these methods are unescaped and unverified
* user input. Therefore they should be handled with extra care to avoid
* security problems like SQL injections.
*
* PHP version 5
*
* LICENSE: This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @package OMB
* @author Adrian Lang <mail@adrianlang.de>
* @copyright 2009 Adrian Lang
* @license http://www.gnu.org/licenses/agpl.html GNU AGPL 3.0
**/
class OMB_Datastore extends OAuthDataStore {
/*********
* OAUTH *
*********/
/**
* Revoke specified OAuth token
*
* Revokes the authorization token specified by $token_key.
* Throws exceptions in case of error.
*
* @param string $token_key The key of the token to be revoked
*
* @access public
**/
public function revoke_token($token_key) {
throw new Exception();
}
/**
* Authorize specified OAuth token
*
* Authorizes the authorization token specified by $token_key.
* Throws exceptions in case of error.
*
* @param string $token_key The key of the token to be authorized
*
* @access public
**/
public function authorize_token($token_key) {
throw new Exception();
}
/*********
* OMB *
*********/
/**
* Get profile by identifying URI
*
* Returns an OMB_Profile object representing the OMB profile identified by
* $identifier_uri.
* Returns null if there is no such OMB profile.
* Throws exceptions in case of other error.
*
* @param string $identifier_uri The OMB identifier URI specifying the
* requested profile
*
* @access public
*
* @return OMB_Profile The corresponding profile
**/
public function getProfile($identifier_uri) {
throw new Exception();
}
/**
* Save passed profile
*
* Stores the OMB profile $profile. Overwrites an existing entry.
* Throws exceptions in case of error.
*
* @param OMB_Profile $profile The OMB profile which should be saved
*
* @access public
**/
public function saveProfile($profile) {
throw new Exception();
}
/**
* Save passed notice
*
* Stores the OMB notice $notice. The datastore may change the passed notice.
* This might by neccessary for URIs depending on a database key. Note that
* it is the user’s duty to present a mechanism for his OMB_Datastore to
* appropriately change his OMB_Notice. TODO: Ugly.
* Throws exceptions in case of error.
*
* @param OMB_Notice $notice The OMB notice which should be saved
*
* @access public
**/
public function saveNotice(&$notice) {
throw new Exception();
}
/**
* Get subscriptions of a given profile
*
* Returns an array containing subscription informations for the specified
* profile. Every array entry should in turn be an array with keys
* 'uri´: The identifier URI of the subscriber
* 'token´: The subscribe token
* 'secret´: The secret token
* Throws exceptions in case of error.
*
* @param string $subscribed_user_uri The OMB identifier URI specifying the
* subscribed profile
*
* @access public
*
* @return mixed An array containing the subscriptions or 0 if no
* subscription has been found.
**/
public function getSubscriptions($subscribed_user_uri) {
throw new Exception();
}
/**
* Delete a subscription
*
* Deletes the subscription from $subscriber_uri to $subscribed_user_uri.
* Throws exceptions in case of error.
*
* @param string $subscriber_uri The OMB identifier URI specifying the
* subscribing profile
*
* @param string $subscribed_user_uri The OMB identifier URI specifying the
* subscribed profile
*
* @access public
**/
public function deleteSubscription($subscriber_uri, $subscribed_user_uri) {
throw new Exception();
}
/**
* Save a subscription
*
* Saves the subscription from $subscriber_uri to $subscribed_user_uri.
* Throws exceptions in case of error.
*
* @param string $subscriber_uri The OMB identifier URI specifying
* the subscribing profile
*
* @param string $subscribed_user_uri The OMB identifier URI specifying
* the subscribed profile
* @param OAuthToken $token The access token
*
* @access public
**/
public function saveSubscription($subscriber_uri, $subscribed_user_uri,
$token) {
throw new Exception();
}
}
?>
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