OAuth: Fix rare problem in which request tokens were sometimes being
returned as access tokens.
This commit is contained in:
Zach Copley
parent
a79427d86f
commit
e475bdfe77
@ -84,6 +84,7 @@ class ApiOauthAccessTokenAction extends ApiOauthAction
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common_debug(var_export($req, true));
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$code = $e->getCode();
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$this->clientError($e->getMessage(), empty($code) ? 401 : $code, 'text');
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return;
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}
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if (empty($atok)) {
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@ -152,8 +152,11 @@ class ApiStatusNetOAuthDataStore extends StatusNetOAuthDataStore
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);
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}
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// check to see if we have previously issued an access token for this application
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// and profile
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// Check to see if we have previously issued an access token for
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// this application and profile; if so we can just return the
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// existing access token. That seems to be the best practice. It
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// makes it so users only have to authorize the app once per
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// machine.
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$appUser = new Oauth_application_user();
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@ -172,19 +175,40 @@ class ApiStatusNetOAuthDataStore extends StatusNetOAuthDataStore
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)
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);
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$at = new Token();
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$at = null;
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// fetch the full access token
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$at->consumer_key = $consumer->key;
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$at->tok = $appUser->token;
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// Special case: we used to store request tokens in the
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// Oauth_application_user record, and the access_type would
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// always be 0 (no access) as a failsafe until an access
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// token was issued and replaced the request token. There could
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// be a few old Oauth_application_user records storing request
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// tokens still around, and we don't want to accidentally
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// return a useless request token instead of a new access
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// token. So if we find one, we generate a new access token
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// and update the existing Oauth_application_user record before
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// returning the new access token. This should be rare.
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$result = $at->find(true);
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if ($appUser->access_type == 0) {
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if (!$result) {
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throw new Exception(
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// TRANS: Exception thrown when no access token can be issued.
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_('Could not issue access token.')
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);
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$at = $this->generateNewAccessToken($consumer, $rt, $verifier);
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$this->updateAppUser($appUser, $app, $at);
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} else {
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$at = new Token();
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// fetch the full access token
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$at->consumer_key = $consumer->key;
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$at->tok = $appUser->token;
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$result = $at->find(true);
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if (!$result) {
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throw new Exception(
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// TRANS: Exception thrown when no access token can be issued.
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_('Could not issue access token.')
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);
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}
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}
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// Yay, we can re-issue the access token
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@ -200,48 +224,8 @@ class ApiStatusNetOAuthDataStore extends StatusNetOAuthDataStore
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)
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);
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// make a brand new access token
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$at = new Token();
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$at->consumer_key = $consumer->key;
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$at->tok = common_good_rand(16);
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$at->secret = common_good_rand(16);
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$at->type = 1; // access
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$at->verifier = $verifier;
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$at->verified_callback = $rt->verified_callback; // 1.0a
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$at->created = common_sql_now();
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if (!$at->insert()) {
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$e = $at->_lastError;
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common_debug('access token "' . $at->tok . '" not inserted: "' . $e->message . '"', __FILE__);
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return null;
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} else {
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common_debug('access token "' . $at->tok . '" inserted', __FILE__);
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// burn the old one
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$orig_rt = clone($rt);
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$rt->state = 2; // used
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if (!$rt->update($orig_rt)) {
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return null;
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}
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common_debug('request token "' . $rt->tok . '" updated', __FILE__);
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}
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// insert a new Oauth_application_user record w/access token
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$appUser = new Oauth_application_user();
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$appUser->profile_id = $tokenAssoc->profile_id;
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$appUser->application_id = $app->id;
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$appUser->access_type = $app->access_type;
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$appUser->token = $at->tok;
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$appUser->created = common_sql_now();
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$result = $appUser->insert();
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if (!$result) {
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common_log_db_error($appUser, 'INSERT', __FILE__);
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// TRANS: Server error displayed when a database error occurs.
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$this->serverError(_('Database error inserting OAuth application user.'));
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}
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$at = $this->generateNewAccessToken($consumer, $rt, $verifier);
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$this->newAppUser($tokenAssoc, $app, $at);
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// Okay, good
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return new OAuthToken($at->tok, $at->secret);
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@ -261,6 +245,108 @@ class ApiStatusNetOAuthDataStore extends StatusNetOAuthDataStore
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}
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}
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/*
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* Generate a new access token and save it to the database
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*
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* @param Consumer $consumer the OAuth consumer
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* @param Token $rt the authorized request token
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* @param string $verifier the OAuth 1.0a verifier
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*
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* @access private
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*
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* @return Token $at the new access token
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*/
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private function generateNewAccessToken($consumer, $rt, $verifier)
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{
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$at = new Token();
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$at->consumer_key = $consumer->key;
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$at->tok = common_good_rand(16);
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$at->secret = common_good_rand(16);
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$at->type = 1; // access
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$at->verifier = $verifier;
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$at->verified_callback = $rt->verified_callback; // 1.0a
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$at->created = common_sql_now();
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if (!$at->insert()) {
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$e = $at->_lastError;
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common_debug('access token "' . $at->tok . '" not inserted: "' . $e->message . '"', __FILE__);
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return null;
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} else {
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common_debug('access token "' . $at->tok . '" inserted', __FILE__);
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// burn the old one
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$orig_rt = clone($rt);
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$rt->state = 2; // used
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if (!$rt->update($orig_rt)) {
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return null;
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}
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common_debug('request token "' . $rt->tok . '" updated', __FILE__);
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}
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return $at;
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}
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/*
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* Add a new app user (Oauth_application_user) record
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*
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* @param Oauth_token_association $tokenAssoc token-to-app association
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* @param Oauth_application $app the OAuth client app
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* @param Token $at the access token
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*
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* @access private
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*
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* @return void
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*/
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private function newAppUser($tokenAssoc, $app, $at)
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{
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$appUser = new Oauth_application_user();
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$appUser->profile_id = $tokenAssoc->profile_id;
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$appUser->application_id = $app->id;
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$appUser->access_type = $app->access_type;
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$appUser->token = $at->tok;
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$appUser->created = common_sql_now();
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$result = $appUser->insert();
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if (!$result) {
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common_log_db_error($appUser, 'INSERT', __FILE__);
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// TRANS: Server error displayed when a database error occurs.
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throw new Exception(
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_('Database error inserting OAuth application user.')
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);
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}
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}
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/*
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* Update an existing app user (Oauth_application_user) record
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*
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* @param Oauth_application_user $appUser existing app user rec
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* @param Oauth_application $app the OAuth client app
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* @param Token $at the access token
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*
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* @access private
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*
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* @return void
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*/
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private function updateAppUser($appUser, $app, $at)
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{
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$original = clone($appUser);
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$appUser->access_type = $app->access_type;
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$appUser->token = $at->tok;
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$result = $appUser->update($original);
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if (!$result) {
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common_log_db_error($appUser, 'UPDATE', __FILE__);
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// TRANS: Server error displayed when a database error occurs.
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throw new Exception(
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_('Database error updating OAuth application user.')
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);
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}
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}
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/**
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* Revoke specified access token
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*
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