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-rw-r--r--lib/oauthstore.php111
-rw-r--r--lib/util.php32
2 files changed, 143 insertions, 0 deletions
diff --git a/lib/oauthstore.php b/lib/oauthstore.php
new file mode 100644
index 000000000..a622647b7
--- /dev/null
+++ b/lib/oauthstore.php
@@ -0,0 +1,111 @@
+<?php
+/*
+ * Laconica - a distributed open-source microblogging tool
+ * Copyright (C) 2008, Controlez-Vous, Inc.
+ *
+ * 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/>.
+ */
+
+if (!defined('LACONICA')) { exit(1); }
+
+require_once(INSTALLDIR.'/lib/omb.php');
+
+class LaconicaOAuthDataStore extends OAuthDataStore {
+
+ # We just keep a record of who's contacted us
+
+ function lookup_consumer($consumer_key) {
+ $con = new Consumer('key', $consumer_key);
+ if (!$con) {
+ $con = new Consumer();
+ $con->consumer_key = $consumer_key;
+ $con->seed = common_good_rand(16);
+ $con->created = DB_DataObject_Cast::dateTime();
+ if (!$con->insert()) {
+ return NULL;
+ }
+ }
+ return new OAuthConsumer($con->consumer_key, '');
+ }
+
+ function lookup_token($consumer, $token_type, $token) {
+ $t = new Token();
+ $t->consumer_key = $consumer->consumer_key;
+ $t->tok = $token;
+ $t->type = ($token_type == 'access') ? 1 : 0;
+ if ($t->find(true)) {
+ return new OAuthToken($t->tok, $t->secret);
+ } else {
+ return NULL;
+ }
+ }
+
+ function lookup_nonce($consumer, $token, $nonce, $timestamp) {
+ $n = new Nonce();
+ $n->consumer_key = $consumer->consumer_key;
+ $n->tok = $token;
+ $n->nonce = $nonce;
+ if ($n->find(TRUE)) {
+ return TRUE;
+ } else {
+ $n->timestamp = $timestamp;
+ $n->created = DB_DataObject_Cast::dateTime();
+ $n->insert();
+ return FALSE;
+ }
+ }
+
+ function fetch_request_token($consumer) {
+ $t = new Token();
+ $t->consumer_key = $consumer->consumer_key;
+ $t->tok = common_good_rand(16);
+ $t->secret = common_good_rand(16);
+ $t->type = 0; # request
+ $t->state = 0;
+ $t->created = DB_DataObject_Cast::dateTime();
+ if (!$t->insert()) {
+ return NULL;
+ } else {
+ return new OAuthToken($t->tok, $t->secret);
+ }
+ }
+
+ function fetch_access_token($token, $consumer) {
+ $rt = new Token();
+ $rt->consumer_key = $consumer->consumer_key;
+ $rt->tok = $token;
+ if ($rt->find(TRUE) && $rt->state == 1) {
+ $at = new Token();
+ $at->consumer_key = $consumer->consumer_key;
+ $at->tok = common_good_rand(16);
+ $at->secret = common_good_rand(16);
+ $at->type = 1; # access
+ $at->created = DB_DataObject_Cast::dateTime();
+ if (!$at->insert()) {
+ return NULL;
+ } else {
+ # burn the old one
+ $orig_rt = clone($rt);
+ $rt->state = 2; # used
+ if (!$rt->update($orig_rt)) {
+ return NULL;
+ } else {
+ return new OAuthToken($at->tok, $at->secret);
+ }
+ }
+ } else {
+ return NULL;
+ }
+ }
+}
diff --git a/lib/util.php b/lib/util.php
index 31a2cbd4f..52f25c9d3 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -447,6 +447,38 @@ function common_root_url() {
return "http://".$config['site']['server'].'/'.$pathpart;
}
+# returns $bytes bytes of random data as a hexadecimal string
+# "good" here is a goal and not a guarantee
+
+function common_good_rand($bytes) {
+ # XXX: use random.org...?
+ if (file_exists('/dev/urandom')) {
+ return common_urandom($bytes);
+ } else { # FIXME: this is probably not good enough
+ return common_mtrand($bytes);
+ }
+}
+
+function common_urandom($bytes) {
+ $h = fopen('/dev/urandom', 'rb');
+ # should not block
+ $src = fread($h, $bytes);
+ fclose($h);
+ $enc = '';
+ for ($i = 0; $i < $bytes; $i++) {
+ $enc .= sprintf("%02x", (ord($src[$i])));
+ }
+ return $enc;
+}
+
+function common_mtrand($bytes) {
+ $enc = '';
+ for ($i = 0; $i < $bytes; $i++) {
+ $enc .= sprintf("%02x", mt_rand(0, 255));
+ }
+ return $enc;
+}
+
// XXX: set up gettext
function _t($str) {