lib/oauthstore.php

   1 <?php
   2 /*
   3  * Laconica - a distributed open-source microblogging tool
   4  * Copyright (C) 2008, Controlez-Vous, Inc.
   5  *
   6  * This program is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU Affero General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU Affero General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Affero General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 if (!defined('LACONICA')) { exit(1); }
  21
  22 require_once(INSTALLDIR.'/lib/omb.php');
  23
  24 class LaconicaOAuthDataStore extends OAuthDataStore {
  25
  26         # We keep a record of who's contacted us
  27
  28         function lookup_consumer($consumer_key) {
  29                 $con = Consumer::staticGet('consumer_key', $consumer_key);
  30                 if (!$con) {
  31                         $con = new Consumer();
  32                         $con->consumer_key = $consumer_key;
  33                         $con->seed = common_good_rand(16);
  34                         $con->created = DB_DataObject_Cast::dateTime();
  35                         if (!$con->insert()) {
  36                                 return NULL;
  37                         }
  38                 }
  39                 return new OAuthConsumer($con->consumer_key, '');
  40         }
  41
  42         function lookup_token($consumer, $token_type, $token_key) {
  43                 $t = new Token();
  44                 $t->consumer_key = $consumer->key;
  45                 $t->tok = $token_key;
  46                 $t->type = ($token_type == 'access') ? 1 : 0;
  47                 if ($t->find(true)) {
  48                         return new OAuthToken($t->tok, $t->secret);
  49                 } else {
  50                         return NULL;
  51                 }
  52         }
  53
  54         function lookup_nonce($consumer, $token, $nonce, $timestamp) {
  55                 $n = new Nonce();
  56                 $n->consumer_key = $consumer->key;
  57                 $n->tok = $token->key;
  58                 $n->nonce = $nonce;
  59                 if ($n->find(TRUE)) {
  60                         return TRUE;
  61                 } else {
  62                         $n->timestamp = $timestamp;
  63                         $n->created = DB_DataObject_Cast::dateTime();
  64                         $n->insert();
  65                         return FALSE;
  66                 }
  67         }
  68
  69         function new_request_token($consumer) {
  70                 $t = new Token();
  71                 $t->consumer_key = $consumer->key;
  72                 $t->tok = common_good_rand(16);
  73                 $t->secret = common_good_rand(16);
  74                 $t->type = 0; # request
  75                 $t->state = 0; # unauthorized
  76                 $t->created = DB_DataObject_Cast::dateTime();
  77                 if (!$t->insert()) {
  78                         return NULL;
  79                 } else {
  80                         return new OAuthToken($t->tok, $t->secret);
  81                 }
  82         }
  83
  84         # defined in OAuthDataStore, but not implemented anywhere
  85
  86         function fetch_request_token($consumer) {
  87                 return $this->new_request_token($consumer);
  88         }
  89
  90         function new_access_token($token, $consumer) {
  91                 common_debug('new_access_token("'.$token->key.'","'.$consumer->key.'")', __FILE__);
  92                 $rt = new Token();
  93                 $rt->consumer_key = $consumer->key;
  94                 $rt->tok = $token->key;
  95                 $rt->type = 0; # request
  96                 if ($rt->find(TRUE) && $rt->state == 1) { # authorized
  97                         common_debug('request token found.', __FILE__);
  98                         $at = new Token();
  99                         $at->consumer_key = $consumer->key;
 100                         $at->tok = common_good_rand(16);
 101                         $at->secret = common_good_rand(16);
 102                         $at->type = 1; # access
 103                         $at->created = DB_DataObject_Cast::dateTime();
 104                         if (!$at->insert()) {
 105                                 $e = $at->_lastError;
 106                                 common_debug('access token "'.$at->tok.'" not inserted: "'.$e->message.'"', __FILE__);
 107                                 return NULL;
 108                         } else {
 109                                 common_debug('access token "'.$at->tok.'" inserted', __FILE__);
 110                                 # burn the old one
 111                                 $orig_rt = clone($rt);
 112                                 $rt->state = 2; # used
 113                                 if (!$rt->update($orig_rt)) {
 114                                         return NULL;
 115                                 }
 116                                 common_debug('request token "'.$rt->tok.'" updated', __FILE__);
 117                                 # Update subscription
 118                                 # XXX: mixing levels here
 119                                 $sub = Subscription::staticGet('token', $rt->tok);
 120                                 if (!$sub) {
 121                                         return NULL;
 122                                 }
 123                                 common_debug('subscription for request token found', __FILE__);
 124                                 $orig_sub = clone($sub);
 125                                 $sub->token = $at->tok;
 126                                 $sub->secret = $at->secret;
 127                                 if (!$sub->update($orig_sub)) {
 128                                         return NULL;
 129                                 } else {
 130                                         common_debug('subscription updated to use access token', __FILE__);
 131                                         return new OAuthToken($at->tok, $at->secret);
 132                                 }
 133                         }
 134                 } else {
 135                         return NULL;
 136                 }
 137         }
 138
 139         # defined in OAuthDataStore, but not implemented anywhere
 140
 141         function fetch_access_token($consumer) {
 142                 return $this->new_access_token($consumer);
 143         }
 144 }