Newer
Older
<?php
/*********************************************************************
class.upgrader.php
osTicket Upgrader
Peter Rotich <peter@osticket.com>
Copyright (c) 2006-2012 osTicket
http://www.osticket.com
Released under the GNU General Public License WITHOUT ANY WARRANTY.
See LICENSE.TXT for details.
vim: expandtab sw=4 ts=4 sts=4:
**********************************************************************/
require_once INCLUDE_DIR.'class.setup.php';
require_once INCLUDE_DIR.'class.migrater.php';
class Upgrader extends SetupWizard {
var $prefix;
var $sqldir;
var $signature;
function Upgrader($signature, $prefix, $sqldir) {
$this->signature = $signature;
$this->shash = substr($signature, 0, 8);
$this->prefix = $prefix;
$this->sqldir = $sqldir;
$this->errors = array();
//Disable time limit if - safe mode is set.
if(!ini_get('safe_mode'))
set_time_limit(0);
//Init persistent state of upgrade.
//Init the task Manager.
if(!isset($_SESSION['ost_upgrader'][$this->getShash()]))
$_SESSION['ost_upgrader'][$this->getShash()]['tasks']=array();
//Tasks to perform - saved on the session.
$this->tasks = &$_SESSION['ost_upgrader'][$this->getShash()]['tasks'];
//Database migrater
$this->migrater = new DatabaseMigrater($this->signature, SCHEMA_SIGNATURE, $this->sqldir);
}
function onError($error) {
global $ost, $thisstaff;
$ost->logError('Upgrader Error', $error);
$this->setError($error);
$this->setState('aborted');
//Alert staff upgrading the system - if the email is not same as admin's
// admin gets alerted on error log (above)
if(!$thisstaff || !strcasecmp($thisstaff->getEmail(), $ost->getConfig()->getAdminEmail()))
return;
$email=null;
if(!($email=$ost->getConfig()->getAlertEmail()))
$email=$ost->getConfig()->getDefaultEmail(); //will take the default email.
$subject = 'Upgrader Error';
if($email) {
$email->sendAlert($thisstaff->getEmail(), $subject, $error);
} else {//no luck - try the system mail.
Mailer::sendmail($thisstaff->getEmail(), $subject, $error, sprintf('"osTicket Alerts"<%s>', $thisstaff->getEmail()));
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
}
function isUpgradable() {
return (!$this->isAborted() && $this->getNextPatch());
}
function isAborted() {
return !strcasecmp($this->getState(), 'aborted');
}
function getSchemaSignature() {
return $this->signature;
}
function getShash() {
return $this->shash;
}
function getTablePrefix() {
return $this->prefix;
}
function getSQLDir() {
return $this->sqldir;
}
function getState() {
return $this->state;
}
function setState($state) {
$this->state = $state;
}
function getPatches() {
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
}
function getNextPatch() {
$p = $this->getPatches();
return (count($p)) ? $p[0] : false;
}
function getNextVersion() {
if(!$patch=$this->getNextPatch())
return '(Latest)';
$info = $this->readPatchInfo($patch);
return $info['version'];
}
function readPatchInfo($patch) {
$info = array();
if (preg_match('/\*(.*)\*/', file_get_contents($patch), $matches)) {
if (preg_match('/@([\w\d_-]+)\s+(.*)$/', $matches[0], $matches2))
foreach ($matches2 as $match)
$info[$match[0]] = $match[1];
}
if (!isset($info['version']))
$info['version'] = substr(basename($patch), 9, 8);
return $info;
}
function getNextAction() {
$action='Upgrade osTicket to '.$this->getVersion();
if($this->getNumPendingTasks() && ($task=$this->getNextTask())) {
$action = $task['desc'];
if($task['status']) //Progress report...
$action.=' ('.$task['status'].')';
} elseif($this->isUpgradable() && ($nextversion = $this->getNextVersion())) {
$action = "Upgrade to $nextversion";
}
return $action;
}
function getNumPendingTasks() {
return count($this->getPendingTasks());
}
function getPendingTasks() {
$pending=array();
if(($tasks=$this->getTasks())) {
foreach($tasks as $k => $task) {
if(!$task['done'])
$pending[$k] = $task;
}
}
return $pending;
}
function getTasks() {
return $this->tasks;
}
function getNextTask() {
if(!($tasks=$this->getPendingTasks()))
return null;
return current($tasks);
}
function removeTask($tId) {
if(isset($this->tasks[$tId]))
unset($this->tasks[$tId]);
return (!$this->tasks[$tId]);
}
function setTaskStatus($tId, $status) {
if(isset($this->tasks[$tId]))
$this->tasks[$tId]['status'] = $status;
}
function doTasks() {
if(!($tasks=$this->getPendingTasks()))
return true; //Nothing to do.
$ost->logDebug('Upgrader', sprintf('There are %d pending upgrade tasks', count($tasks)));
foreach($tasks as $k => $task) {
//TODO: check time used vs. max execution - break if need be
if(call_user_func(array($this, $task['func']), $k)===0) {
$this->tasks[$k]['done'] = true;
} else { //Task has pending items to process.
break;
}
}
return $this->getPendingTasks();
global $ost;
if($this->getPendingTasks() || !($patches=$this->getPatches()))
return false;
$start_time = Misc::micro_time();
if(!($max_time = ini_get('max_execution_time')))
$max_time = 300; //Apache/IIS defaults.
//TODO: check time used vs. max execution - break if need be
if (!$this->load_sql_file($patch, $this->getTablePrefix()))
return false;
unset($_SESSION['ost_upgrader'][$this->getShash()]);
//Log the patch info
$logMsg = "Patch $phash applied ";
if(($info = $this->readPatchInfo($patch)) && $info['version'])
$logMsg.= ' ('.$info['version'].') ';
$ost->logDebug('Upgrader - Patch applied', $logMsg);
//Check if the said patch has scripted tasks
if(!($tasks=$this->getTasksForPatch($phash))) {
//Break IF elapsed time is greater than 80% max time allowed.
if(($elapsedtime=(Misc::micro_time()-$start_time)) && $max_time && $elapsedtime>($max_time*0.80))
break;
//We have work to do... set the tasks and break.
$shash = substr($phash, 9, 8);
$_SESSION['ost_upgrader'][$shash]['tasks'] = $tasks;
$_SESSION['ost_upgrader'][$shash]['state'] = 'upgrade';
$ost->logDebug('Upgrader', sprintf('Found %d tasks to be executed for %s',
count($tasks), $shash));
}
return true;
}
function getTasksForPatch($phash) {
$tasks=array();
switch($phash) { //Add patch specific scripted tasks.
case 'c00511c7-7be60a84': //V1.6 ST- 1.7 * {{MD5('1.6 ST') -> c00511c7c1db65c0cfad04b4842afc57}}
$tasks[] = array('func' => 'migrateSessionFile2DB',
'desc' => 'Transitioning to db-backed sessions');
case '98ae1ed2-e342f869': //v1.6 RC1-4 -> v1.6 RC5
$tasks[] = array('func' => 'migrateAPIKeys',
'desc' => 'Migrating API keys to a new table');
break;
$tasks[] = array('func' => 'migrateGroupDeptAccess',
'desc' => 'Migrating group\'s department access to a new table');
case '15b30765-dd0022fb':
$tasks[] = array('func' => 'migrateAttachments2DB',
'desc' => 'Migrating attachments to database, it might take a while depending on the number of files.');
break;
$file=$this->getSQLDir().$phash.'.cleanup.sql';
if(file_exists($file))
$tasks[] = array('func' => 'cleanup',
'desc' => 'Post-upgrade cleanup!',
'phash' => $phash);
global $ost;
$phash = $this->tasks[$taskId]['phash'];
$file=$this->getSQLDir().$phash.'.cleanup.sql';
if(!file_exists($file)) //No cleanup script.
return 0;
//We have a cleanup script ::XXX: Don't abort on error?
if($this->load_sql_file($file, $this->getTablePrefix(), false, true))
return 0;
$ost->logDebug('Upgrader', sprintf("%s: Unable to process cleanup file",
$phash));
return 0;
if(!($max_time = ini_get('max_execution_time')))
$max_time = 30; //Default to 30 sec batches.
$att_migrater = new AttachmentMigrater();
if($att_migrater->do_batch(($max_time*0.9), 100)===0)
return 0;
return $att_migrater->getQueueLength();
function migrateSessionFile2DB($taskId) {
# How about 'dis for a hack?
osTicketSession::write(session_id(), session_encode());
return 0;
}
function migrateAPIKeys($taskId) {
$res = db_query('SELECT api_whitelist, api_key FROM '.CONFIG_TABLE.' WHERE id=1');
if(!$res || !db_num_rows($res))
return 0; //Reporting success.
list($whitelist, $key) = db_fetch_row($res);
$ips=array_filter(array_map('trim', explode(',', $whitelist)));
foreach($ips as $ip) {
$sql='INSERT INTO '.API_KEY_TABLE.' SET created=NOW(), updated=NOW(), isactive=1 '
.',ipaddr='.db_input($ip)
.',apikey='.db_input(strtoupper(md5($ip.md5($key))));
db_query($sql);
}
return 0;
}
function migrateGroupDeptAccess($taskId) {
$res = db_query('SELECT group_id, dept_access FROM '.GROUP_TABLE);
if(!$res || !db_num_rows($res))
return 0; //No groups??
while(list($groupId, $access) = db_fetch_row($res)) {
$depts=array_filter(array_map('trim', explode(',', $access)));
foreach($depts as $deptId) {
$sql='INSERT INTO '.GROUP_DEPT_TABLE
.' SET dept_id='.db_input($deptId).', group_id='.db_input($groupId);
db_query($sql);
}
}
return 0;
}