srchub/indefero/src/IDF/Key.php

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2013-07-20 22:41:56 +00:00
<?php
/* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
# ***** BEGIN LICENSE BLOCK *****
# This file is part of InDefero, an open source project management application.
# Copyright (C) 2008-2011 Céondo Ltd and contributors.
#
# InDefero is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# InDefero 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# ***** END LICENSE BLOCK ***** */
/**
* Storage of the public keys (ssh or monotone).
*
*/
class IDF_Key extends Pluf_Model
{
public $_model = __CLASS__;
function init()
{
$this->_a['table'] = 'idf_keys';
$this->_a['model'] = __CLASS__;
$this->_a['cols'] = array(
// It is mandatory to have an "id" column.
'id' =>
array(
'type' => 'Pluf_DB_Field_Sequence',
//It is automatically added.
'blank' => true,
),
'user' =>
array(
'type' => 'Pluf_DB_Field_Foreignkey',
'model' => 'Pluf_User',
'blank' => false,
'verbose' => __('user'),
),
'content' =>
array(
'type' => 'Pluf_DB_Field_Text',
'blank' => false,
'verbose' => __('public key'),
),
);
// WARNING: Not using getSqlTable on the Pluf_User object to
// avoid recursion.
$t_users = $this->_con->pfx.'users';
$this->_a['views'] = array(
'join_user' =>
array(
'join' => 'LEFT JOIN '.$t_users
.' ON '.$t_users.'.id='.$this->_con->qn('user'),
'select' => $this->getSelect().', '
.$t_users.'.login AS login',
'props' => array('login' => 'login'),
)
);
}
function showCompact()
{
return Pluf_Template::markSafe(Pluf_esc(substr($this->content, 0, 25)).' [...] '.Pluf_esc(substr($this->content, -55)));
}
private function parseContent()
{
if (preg_match('#^\[pubkey ([^\]]+)\]\s*(\S+)\s*\[end\]$#', $this->content, $m)) {
return array('mtn', $m[1], $m[2]);
}
else if (preg_match('#^ssh\-(?:dss|rsa)\s(\S+)(?:\s(.*))?$#', $this->content, $m)) {
if (!isset($m[2])) {
$m[2] = "";
}
return array('ssh', $m[2], $m[1]);
}
throw new Exception(__('Invalid or unknown key data detected.'));
}
/**
* Returns the type of the public key
*
* @return string 'ssh' or 'mtn'
*/
function getType()
{
list($type, , ) = $this->parseContent();
return $type;
}
/**
* Returns the key name of the key
*
* @return string
*/
function getName()
{
list(, $keyName, ) = $this->parseContent();
return $keyName;
}
/**
* This function should be used to calculate the key id from the
* public key hash for authentication purposes. This avoids clashes
* in case the key name is not unique across the project
*
* And yes, this is actually how monotone itself calculates the key
* id...
*
* @return string
*/
function getMtnId()
{
list($type, $keyName, $keyData) = $this->parseContent();
if ($type != 'mtn')
throw new Exception('key is not a monotone public key');
return sha1($keyName.":".$keyData);
}
function postSave($create=false)
{
/**
* [signal]
*
* IDF_Key::postSave
*
* [sender]
*
* IDF_Key
*
* [description]
*
* This signal allows an application to perform special
* operations after the saving of a public Key.
*
* [parameters]
*
* array('key' => $key,
* 'created' => true/false)
*
*/
$params = array('key' => $this, 'created' => $create);
Pluf_Signal::send('IDF_Key::postSave',
'IDF_Key', $params);
}
function preDelete()
{
/**
* [signal]
*
* IDF_Key::preDelete
*
* [sender]
*
* IDF_Key
*
* [description]
*
* This signal allows an application to perform special
* operations before a key is deleted.
*
* [parameters]
*
* array('key' => $key)
*
*/
$params = array('key' => $this);
Pluf_Signal::send('IDF_Key::preDelete',
'IDF_Key', $params);
}
}