forked from GNUsocial/gnu-social
515 lines
18 KiB
PHP
515 lines
18 KiB
PHP
<?php
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/*
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2008, 2009, StatusNet, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
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require_once 'libomb/datastore.php';
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class StatusNetOAuthDataStore extends OAuthDataStore
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{
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// We keep a record of who's contacted us
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function lookup_consumer($consumer_key)
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{
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$con = Consumer::staticGet('consumer_key', $consumer_key);
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if (!$con) {
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$con = new Consumer();
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$con->consumer_key = $consumer_key;
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$con->seed = common_good_rand(16);
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$con->created = DB_DataObject_Cast::dateTime();
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if (!$con->insert()) {
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return null;
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}
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}
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return new OAuthConsumer($con->consumer_key, '');
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}
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function lookup_token($consumer, $token_type, $token_key)
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{
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$t = new Token();
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if (!is_null($consumer)) {
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$t->consumer_key = $consumer->key;
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}
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$t->tok = $token_key;
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$t->type = ($token_type == 'access') ? 1 : 0;
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if ($t->find(true)) {
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return new OAuthToken($t->tok, $t->secret);
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} else {
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return null;
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}
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}
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function getTokenByKey($token_key)
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{
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$t = new Token();
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$t->tok = $token_key;
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if ($t->find(true)) {
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return $t;
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} else {
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return null;
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}
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}
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// http://oauth.net/core/1.0/#nonce
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// "The Consumer SHALL then generate a Nonce value that is unique for
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// all requests with that timestamp."
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// XXX: It's not clear why the token is here
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function lookup_nonce($consumer, $token, $nonce, $timestamp)
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{
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$n = new Nonce();
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$n->consumer_key = $consumer->key;
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$n->ts = common_sql_date($timestamp);
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$n->nonce = $nonce;
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if ($n->find(true)) {
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return true;
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} else {
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$n->created = DB_DataObject_Cast::dateTime();
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$n->insert();
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return false;
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}
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}
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function new_request_token($consumer)
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{
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$t = new Token();
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$t->consumer_key = $consumer->key;
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$t->tok = common_good_rand(16);
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$t->secret = common_good_rand(16);
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$t->type = 0; // request
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$t->state = 0; // unauthorized
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$t->created = DB_DataObject_Cast::dateTime();
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if (!$t->insert()) {
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return null;
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} else {
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return new OAuthToken($t->tok, $t->secret);
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}
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}
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// defined in OAuthDataStore, but not implemented anywhere
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function fetch_request_token($consumer)
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{
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return $this->new_request_token($consumer);
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}
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function new_access_token($token, $consumer)
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{
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common_debug('new_access_token("'.$token->key.'","'.$consumer->key.'")', __FILE__);
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$rt = new Token();
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$rt->consumer_key = $consumer->key;
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$rt->tok = $token->key;
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$rt->type = 0; // request
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if ($rt->find(true) && $rt->state == 1) { // authorized
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common_debug('request token found.', __FILE__);
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$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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$at->created = DB_DataObject_Cast::dateTime();
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if (!$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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// Update subscription
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// XXX: mixing levels here
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$sub = Subscription::staticGet('token', $rt->tok);
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if (!$sub) {
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return null;
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}
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common_debug('subscription for request token found', __FILE__);
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$orig_sub = clone($sub);
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$sub->token = $at->tok;
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$sub->secret = $at->secret;
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if (!$sub->update($orig_sub)) {
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return null;
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} else {
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common_debug('subscription updated to use access token', __FILE__);
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return new OAuthToken($at->tok, $at->secret);
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}
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}
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} else {
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return null;
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}
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}
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// defined in OAuthDataStore, but not implemented anywhere
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function fetch_access_token($consumer)
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{
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return $this->new_access_token($consumer);
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}
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/**
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* Revoke specified OAuth token
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*
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* Revokes the authorization token specified by $token_key.
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* Throws exceptions in case of error.
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*
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* @param string $token_key The token to be revoked
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*
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* @access public
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**/
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public function revoke_token($token_key) {
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$rt = new Token();
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$rt->tok = $token_key;
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$rt->type = 0;
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$rt->state = 0;
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if (!$rt->find(true)) {
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throw new Exception('Tried to revoke unknown token');
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}
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if (!$rt->delete()) {
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throw new Exception('Failed to delete revoked token');
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}
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}
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/**
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* Authorize specified OAuth token
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*
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* Authorizes the authorization token specified by $token_key.
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* Throws exceptions in case of error.
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*
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* @param string $token_key The token to be authorized
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*
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* @access public
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**/
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public function authorize_token($token_key) {
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$rt = new Token();
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$rt->tok = $token_key;
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$rt->type = 0;
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$rt->state = 0;
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if (!$rt->find(true)) {
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throw new Exception('Tried to authorize unknown token');
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}
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$orig_rt = clone($rt);
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$rt->state = 1; # Authorized but not used
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if (!$rt->update($orig_rt)) {
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throw new Exception('Failed to authorize token');
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}
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}
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/**
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* Get profile by identifying URI
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*
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* Returns an OMB_Profile object representing the OMB profile identified by
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* $identifier_uri.
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* Returns null if there is no such OMB profile.
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* Throws exceptions in case of other error.
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*
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* @param string $identifier_uri The OMB identifier URI specifying the
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* requested profile
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*
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* @access public
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*
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* @return OMB_Profile The corresponding profile
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**/
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public function getProfile($identifier_uri) {
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/* getProfile is only used for remote profiles by libomb.
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TODO: Make it work with local ones anyway. */
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$remote = Remote_profile::staticGet('uri', $identifier_uri);
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if (!$remote) throw new Exception('No such remote profile');
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$profile = Profile::staticGet('id', $remote->id);
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if (!$profile) throw new Exception('No profile for remote user');
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require_once INSTALLDIR.'/lib/omb.php';
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return profile_to_omb_profile($identifier_uri, $profile);
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}
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/**
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* Save passed profile
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*
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* Stores the OMB profile $profile. Overwrites an existing entry.
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* Throws exceptions in case of error.
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*
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* @param OMB_Profile $profile The OMB profile which should be saved
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*
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* @access public
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**/
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public function saveProfile($omb_profile) {
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if (common_profile_url($omb_profile->getNickname()) ==
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$omb_profile->getProfileURL()) {
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throw new Exception('Not implemented');
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} else {
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$remote = Remote_profile::staticGet('uri', $omb_profile->getIdentifierURI());
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if ($remote) {
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$exists = true;
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$profile = Profile::staticGet($remote->id);
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$orig_remote = clone($remote);
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$orig_profile = clone($profile);
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# XXX: compare current postNotice and updateProfile URLs to the ones
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# stored in the DB to avoid (possibly...) above attack
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} else {
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$exists = false;
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$remote = new Remote_profile();
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$remote->uri = $omb_profile->getIdentifierURI();
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$profile = new Profile();
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}
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$profile->nickname = $omb_profile->getNickname();
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$profile->profileurl = $omb_profile->getProfileURL();
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$fullname = $omb_profile->getFullname();
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$profile->fullname = is_null($fullname) ? '' : $fullname;
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$homepage = $omb_profile->getHomepage();
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$profile->homepage = is_null($homepage) ? '' : $homepage;
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$bio = $omb_profile->getBio();
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$profile->bio = is_null($bio) ? '' : $bio;
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$location = $omb_profile->getLocation();
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$profile->location = is_null($location) ? '' : $location;
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if ($exists) {
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$profile->update($orig_profile);
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} else {
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$profile->created = DB_DataObject_Cast::dateTime(); # current time
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$id = $profile->insert();
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if (!$id) {
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throw new Exception(_('Error inserting new profile.'));
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}
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$remote->id = $id;
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}
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$avatar_url = $omb_profile->getAvatarURL();
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if ($avatar_url) {
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if (!$this->add_avatar($profile, $avatar_url)) {
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throw new Exception(_('Error inserting avatar.'));
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}
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} else {
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$avatar = $profile->getOriginalAvatar();
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if($avatar) $avatar->delete();
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$avatar = $profile->getAvatar(AVATAR_PROFILE_SIZE);
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if($avatar) $avatar->delete();
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$avatar = $profile->getAvatar(AVATAR_STREAM_SIZE);
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if($avatar) $avatar->delete();
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$avatar = $profile->getAvatar(AVATAR_MINI_SIZE);
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if($avatar) $avatar->delete();
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}
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if ($exists) {
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if (!$remote->update($orig_remote)) {
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throw new Exception(_('Error updating remote profile.'));
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}
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} else {
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$remote->created = DB_DataObject_Cast::dateTime(); # current time
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if (!$remote->insert()) {
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throw new Exception(_('Error inserting remote profile.'));
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}
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}
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}
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}
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function add_avatar($profile, $url)
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{
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$temp_filename = tempnam(sys_get_temp_dir(), 'listener_avatar');
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copy($url, $temp_filename);
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$imagefile = new ImageFile($profile->id, $temp_filename);
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$filename = Avatar::filename($profile->id,
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image_type_to_extension($imagefile->type),
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null,
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common_timestamp());
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rename($temp_filename, Avatar::path($filename));
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return $profile->setOriginal($filename);
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}
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/**
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* Save passed notice
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*
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* Stores the OMB notice $notice. The datastore may change the passed notice.
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* This might by neccessary for URIs depending on a database key. Note that
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* it is the user’s duty to present a mechanism for his OMB_Datastore to
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* appropriately change his OMB_Notice.
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* Throws exceptions in case of error.
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*
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* @param OMB_Notice $notice The OMB notice which should be saved
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*
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* @access public
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**/
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public function saveNotice(&$omb_notice) {
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if (Notice::staticGet('uri', $omb_notice->getIdentifierURI())) {
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// TRANS: Exception thrown when a notice is denied because it has been sent before.
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throw new Exception(_('Duplicate notice.'));
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}
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$author_uri = $omb_notice->getAuthor()->getIdentifierURI();
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common_log(LOG_DEBUG, $author_uri, __FILE__);
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$author = Remote_profile::staticGet('uri', $author_uri);
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if (!$author) {
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$author = User::staticGet('uri', $author_uri);
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}
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if (!$author) {
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throw new Exception('No such user.');
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}
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common_log(LOG_DEBUG, print_r($author, true), __FILE__);
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$notice = Notice::saveNew($author->id,
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$omb_notice->getContent(),
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'omb',
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array('is_local' => Notice::REMOTE_OMB,
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'uri' => $omb_notice->getIdentifierURI()));
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}
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/**
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* Get subscriptions of a given profile
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*
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* Returns an array containing subscription informations for the specified
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* profile. Every array entry should in turn be an array with keys
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* 'uri´: The identifier URI of the subscriber
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* 'token´: The subscribe token
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* 'secret´: The secret token
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* Throws exceptions in case of error.
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*
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* @param string $subscribed_user_uri The OMB identifier URI specifying the
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* subscribed profile
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*
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* @access public
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*
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* @return mixed An array containing the subscriptions or 0 if no
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* subscription has been found.
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**/
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public function getSubscriptions($subscribed_user_uri) {
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$sub = new Subscription();
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$user = $this->_getAnyProfile($subscribed_user_uri);
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$sub->subscribed = $user->id;
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if (!$sub->find(true)) {
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return array();
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}
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/* Since we do not use OMB_Service_Provider’s action methods, there
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is no need to actually return the subscriptions. */
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return 1;
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}
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private function _getAnyProfile($uri)
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{
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$user = Remote_profile::staticGet('uri', $uri);
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if (!$user) {
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$user = User::staticGet('uri', $uri);
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}
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if (!$user) {
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throw new Exception('No such user.');
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}
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return $user;
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}
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/**
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* Delete a subscription
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*
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* Deletes the subscription from $subscriber_uri to $subscribed_user_uri.
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* Throws exceptions in case of error.
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*
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* @param string $subscriber_uri The OMB identifier URI specifying the
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* subscribing profile
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*
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* @param string $subscribed_user_uri The OMB identifier URI specifying the
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* subscribed profile
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*
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* @access public
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**/
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public function deleteSubscription($subscriber_uri, $subscribed_user_uri)
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{
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$sub = new Subscription();
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$subscribed = $this->_getAnyProfile($subscribed_user_uri);
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$subscriber = $this->_getAnyProfile($subscriber_uri);
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$sub->subscribed = $subscribed->id;
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$sub->subscriber = $subscriber->id;
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$sub->delete();
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}
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/**
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* Save a subscription
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*
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* Saves the subscription from $subscriber_uri to $subscribed_user_uri.
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* Throws exceptions in case of error.
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*
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* @param string $subscriber_uri The OMB identifier URI specifying
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* the subscribing profile
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*
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* @param string $subscribed_user_uri The OMB identifier URI specifying
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* the subscribed profile
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* @param OAuthToken $token The access token
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*
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* @access public
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**/
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public function saveSubscription($subscriber_uri, $subscribed_user_uri,
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$token)
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{
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$sub = new Subscription();
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$subscribed = $this->_getAnyProfile($subscribed_user_uri);
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$subscriber = $this->_getAnyProfile($subscriber_uri);
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if (!$subscriber->hasRight(Right::SUBSCRIBE)) {
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common_log(LOG_INFO, __METHOD__ . ": remote subscriber banned ($subscriber_uri subbing to $subscribed_user_uri)");
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return _('You have been banned from subscribing.');
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}
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$sub->subscribed = $subscribed->id;
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$sub->subscriber = $subscriber->id;
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$sub_exists = $sub->find(true);
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if ($sub_exists) {
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$orig_sub = clone($sub);
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} else {
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$sub->created = DB_DataObject_Cast::dateTime();
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}
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$sub->token = $token->key;
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$sub->secret = $token->secret;
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if ($sub_exists) {
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$result = $sub->update($orig_sub);
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} else {
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$result = $sub->insert();
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}
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if (!$result) {
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common_log_db_error($sub, ($sub_exists) ? 'UPDATE' : 'INSERT', __FILE__);
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throw new Exception(_('Couldn\'t insert new subscription.'));
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return;
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}
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/* Notify user, if necessary. */
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if ($subscribed instanceof User) {
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mail_subscribe_notify_profile($subscribed,
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Profile::staticGet($subscriber->id));
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}
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}
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}
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?>
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