From 9977591b78210bcd200376e1476809db12384f2e Mon Sep 17 00:00:00 2001
From: Evan Prodromou <evan@prodromou.name>
Date: Tue, 27 May 2008 16:07:21 -0400
Subject: server-side storage model

First pass at a server-side storage model. New tables for consumers,
tokens, and nonces, with associated classes. An OAuthDataStore class
interfaces with the OAuth.php library to enable server logic.

Some additional work to get pretty-OK random number generation into
the utilities library. Use /dev/urandom if available; else use
mt_rand().

darcs-hash:20080527200721-84dde-308c047af2ebc2c4d753c1e1e24af20fef862a7e.gz
---
 lib/oauthstore.php | 111 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 lib/oauthstore.php

(limited to 'lib/oauthstore.php')

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;
+		}
+	}
+}
-- 
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