Merge branch '0.9.x' into 1.0.x

Conflicts:
	EVENTS.txt
	db/statusnet.sql
	lib/queuemanager.php

1 files changed, 219 insertions, 0 deletions

diff --git a/plugins/OStatus/classes/Magicsig.php b/plugins/OStatus/classes/Magicsig.php
new file mode 100644
index 000000000..681aec184
--- /dev/null
+++ b/plugins/OStatus/classes/Magicsig.php
@@ -0,0 +1,219 @@
+<?php
+/**
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2010, StatusNet, Inc.
+ *
+ * A sample module to show best practices for StatusNet plugins
+ *
+ * PHP version 5
+ *
+ * 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/>.
+ *
+ * @package   StatusNet
+ * @author    James Walker <james@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ * @link      http://status.net/
+ */
+
+require_once 'Crypt/RSA.php';
+
+class Magicsig extends Memcached_DataObject
+{
+
+    const PUBLICKEYREL = 'magic-public-key';
+    
+    public $__table = 'magicsig';
+
+    public $user_id;
+    public $keypair;
+    public $alg;
+    
+    private $_rsa;
+
+    public function __construct($alg = 'RSA-SHA256')
+    {
+        $this->alg = $alg;
+    }
+    
+    public /*static*/ function staticGet($k, $v=null)
+    {
+        return parent::staticGet(__CLASS__, $k, $v);
+    }
+
+
+    function table()
+    {
+        return array(
+            'user_id' => DB_DATAOBJECT_INT,
+            'keypair' => DB_DATAOBJECT_STR + DB_DATAOBJECT_NOTNULL,
+            'alg'     => DB_DATAOBJECT_STR
+        );
+    }
+
+    static function schemaDef()
+    {
+        return array(new ColumnDef('user_id', 'integer',
+                                   null, true, 'PRI'),
+                     new ColumnDef('keypair', 'varchar',
+                                   255, false),
+                     new ColumnDef('alg', 'varchar',
+                                   64, false));
+    }
+
+
+    function keys()
+    {
+        return array_keys($this->keyTypes());
+    }
+
+    function keyTypes()
+    {
+        return array('user_id' => 'K');
+    }
+
+    function insert()
+    {
+        $this->keypair = $this->toString();
+
+        return parent::insert();
+    }
+
+    public function generate($key_length = 512)
+    {
+        PEAR::pushErrorHandling(PEAR_ERROR_RETURN);
+
+        $keypair = new Crypt_RSA_KeyPair($key_length);
+        $params['public_key'] = $keypair->getPublicKey();
+        $params['private_key'] = $keypair->getPrivateKey();
+
+        $this->_rsa = new Crypt_RSA($params);
+        PEAR::popErrorHandling();
+
+        $this->insert();
+    }
+
+
+    public function toString($full_pair = true)
+    {
+        $public_key = $this->_rsa->_public_key;
+        $private_key = $this->_rsa->_private_key;
+
+        $mod = base64_url_encode($public_key->getModulus());
+        $exp = base64_url_encode($public_key->getExponent());
+        $private_exp = '';
+        if ($full_pair && $private_key->getExponent()) {
+            $private_exp = '.' . base64_url_encode($private_key->getExponent());
+        }
+
+        return 'RSA.' . $mod . '.' . $exp . $private_exp; 
+    }
+    
+    public static function fromString($text)
+    {
+        PEAR::pushErrorHandling(PEAR_ERROR_RETURN);
+
+        $magic_sig = new Magicsig();
+        
+        // remove whitespace
+        $text = preg_replace('/\s+/', '', $text);
+
+        // parse components
+        if (!preg_match('/RSA\.([^\.]+)\.([^\.]+)(.([^\.]+))?/', $text, $matches)) {
+            return false;
+        }
+        
+        $mod = base64_url_decode($matches[1]);
+        $exp = base64_url_decode($matches[2]);
+        if ($matches[4]) {
+            $private_exp = base64_url_decode($matches[4]);
+        }
+
+        $params['public_key'] = new Crypt_RSA_KEY($mod, $exp, 'public');
+        if ($params['public_key']->isError()) {
+            $error = $params['public_key']->getLastError();
+            common_log(LOG_DEBUG, 'RSA Error: '. $error->getMessage());
+            return false;
+        }
+        if ($private_exp) {
+            $params['private_key'] = new Crypt_RSA_KEY($mod, $private_exp, 'private');
+            if ($params['private_key']->isError()) {
+                $error = $params['private_key']->getLastError();
+                common_log(LOG_DEBUG, 'RSA Error: '. $error->getMessage());
+                return false;
+            }
+        }
+
+        $magic_sig->_rsa = new Crypt_RSA($params);
+        PEAR::popErrorHandling();
+
+        return $magic_sig;
+    }
+
+    public function getName()
+    {
+        return $this->alg;
+    }
+
+    public function getHash()
+    {
+        switch ($this->alg) {
+
+        case 'RSA-SHA256':
+            return 'sha256';
+        }
+
+    }
+    
+    public function sign($bytes)
+    {
+        $sig = $this->_rsa->createSign($bytes, null, 'sha256');
+        if ($this->_rsa->isError()) {
+            $error = $this->_rsa->getLastError();
+            common_log(LOG_DEBUG, 'RSA Error: '. $error->getMessage());
+            return false;
+        }
+
+        return $sig;
+    }
+
+    public function verify($signed_bytes, $signature)
+    {
+        $result =  $this->_rsa->validateSign($signed_bytes, $signature, null, 'sha256');
+        if ($this->_rsa->isError()) {
+            $error = $this->keypair->getLastError();
+            common_log(LOG_DEBUG, 'RSA Error: '. $error->getMessage());
+            return false;
+        }
+        return $result;
+    }
+        
+}
+
+// Define a sha256 function for hashing
+// (Crypt_RSA should really be updated to use hash() )
+function sha256($bytes)
+{
+    return hash('sha256', $bytes);
+}
+
+function base64_url_encode($input)
+{
+    return strtr(base64_encode($input), '+/', '-_');
+}
+
+function base64_url_decode($input)
+{
+    return base64_decode(strtr($input, '-_', '+/'));
+}
\ No newline at end of file