protected function LogError($sMsg)
{
static $bDebug = null;
if ($bDebug == null) {
$bDebug = MetaModel::GetConfig()->GetModuleSetting('itop-backup', 'debug', false);
}
IssueLog::Error($sMsg);
if ($bDebug) {
echo 'Error: ' . $sMsg . "\n";
}
}
/**
* Create a new transaction id, store it in the session and return its id
* @param void
* @return int The identifier of the new transaction
*/
public static function GetNewTransactionId()
{
$bTransactionsEnabled = MetaModel::GetConfig()->Get('transactions_enabled');
if (!$bTransactionsEnabled) {
return 'notransactions';
// Any value will do
}
$sClass = 'privUITransaction' . MetaModel::GetConfig()->Get('transaction_storage');
if (!class_exists($sClass, false)) {
IssueLog::Error("Incorrect value '" . MetaModel::GetConfig()->Get('transaction_storage') . "' for 'transaction_storage', the class '{$sClass}' does not exists. Using privUITransactionSession instead for storing sessions.");
$sClass = 'privUITransactionSession';
}
return (string) $sClass::GetNewTransactionId();
}
$oAttachment->Set('item_class', $sObjClass);
$oAttachment->SetDefaultOrgId();
$oAttachment->Set('contents', $oDoc);
$iAttId = $oAttachment->DBInsert();
$aResult['msg'] = $oDoc->GetFileName();
$aResult['icon'] = utils::GetAbsoluteUrlAppRoot() . AttachmentPlugIn::GetFileIcon($oDoc->GetFileName());
$aResult['att_id'] = $iAttId;
$aResult['preview'] = $oDoc->IsPreviewAvailable() ? 'true' : 'false';
} catch (FileUploadException $e) {
$aResult['error'] = $e->GetMessage();
}
}
$oPage->add(json_encode($aResult));
break;
case 'remove':
$iAttachmentId = utils::ReadParam('att_id', '');
$oSearch = DBObjectSearch::FromOQL("SELECT Attachment WHERE id = :id");
$oSet = new DBObjectSet($oSearch, array(), array('id' => $iAttachmentId));
while ($oAttachment = $oSet->Fetch()) {
$oAttachment->DBDelete();
}
break;
default:
$oPage->p("Missing argument 'operation'");
}
$oPage->output();
} catch (Exception $e) {
// note: transform to cope with XSS attacks
echo htmlentities($e->GetMessage(), ENT_QUOTES, 'utf-8');
IssueLog::Error($e->getMessage());
}
protected function ForgotPwdGo()
{
$sAuthUser = utils::ReadParam('auth_user', '', true, 'raw_data');
try {
UserRights::Login($sAuthUser);
// Set the user's language (if possible!)
$oUser = UserRights::GetUserObject();
if ($oUser == null) {
throw new Exception(Dict::Format('UI:ResetPwd-Error-WrongLogin', $sAuthUser));
}
if (!MetaModel::IsValidAttCode(get_class($oUser), 'reset_pwd_token')) {
throw new Exception(Dict::S('UI:ResetPwd-Error-NotPossible'));
}
if (!$oUser->CanChangePassword()) {
throw new Exception(Dict::S('UI:ResetPwd-Error-FixedPwd'));
}
$sTo = $oUser->GetResetPasswordEmail();
// throws Exceptions if not allowed
if ($sTo == '') {
throw new Exception(Dict::S('UI:ResetPwd-Error-NoEmail'));
}
// This token allows the user to change the password without knowing the previous one
$sToken = substr(md5(APPROOT . uniqid()), 0, 16);
$oUser->Set('reset_pwd_token', $sToken);
CMDBObject::SetTrackInfo('Reset password');
$oUser->DBUpdate();
$oEmail = new Email();
$oEmail->SetRecipientTO($sTo);
$sFrom = MetaModel::GetConfig()->Get('forgot_password_from');
if ($sFrom == '') {
$sFrom = $sTo;
}
$oEmail->SetRecipientFrom($sFrom);
$oEmail->SetSubject(Dict::S('UI:ResetPwd-EmailSubject'));
$sResetUrl = utils::GetAbsoluteUrlAppRoot() . 'pages/UI.php?loginop=reset_pwd&auth_user='******'login')) . '&token=' . urlencode($sToken);
$oEmail->SetBody(Dict::Format('UI:ResetPwd-EmailBody', $sResetUrl));
$iRes = $oEmail->Send($aIssues, true);
switch ($iRes) {
//case EMAIL_SEND_PENDING:
case EMAIL_SEND_OK:
break;
case EMAIL_SEND_ERROR:
default:
IssueLog::Error('Failed to send the email with the NEW password for ' . $oUser->Get('friendlyname') . ': ' . implode(', ', $aIssues));
throw new Exception(Dict::S('UI:ResetPwd-Error-Send'));
}
$this->DisplayLoginHeader();
$this->add("<div id=\"login\">\n");
$this->add("<h1>" . Dict::S('UI:Login:ForgotPwdForm') . "</h1>\n");
$this->add("<p>" . Dict::S('UI:ResetPwd-EmailSent') . "</p>");
$this->add("<form method=\"post\">\n");
$this->add("<table>\n");
$this->add("<tr><td colspan=\"2\" class=\"center v-spacer\"><input type=\"button\" onClick=\"window.close();\" value=\"" . Dict::S('UI:Button:Done') . "\" /></td></tr>\n");
$this->add("</table>\n");
$this->add("</form>\n");
$this->add("</div\n");
} catch (Exception $e) {
$this->DisplayForgotPwdForm(true, $e->getMessage());
}
}
$sFormat = utils::ReadParam('format', null, true);
$sFileName = utils::ReadParam('filename', '', true, 'string');
$bInteractive = utils::ReadParam('interactive', false);
$sMode = utils::ReadParam('mode', '');
if ($bInteractive) {
InteractiveShell($sExpression, $sQueryId, $sFormat, $sFileName, $sMode);
} else {
$oExporter = CheckParameters($sExpression, $sQueryId, $sFormat);
$sMimeType = $oExporter->GetMimeType();
if ($sMimeType == 'text/html') {
$oP = new NiceWebPage('iTop export');
$oP->add_style("body { overflow: auto; }");
$oP->add_ready_script("\$('table.listResults').tablesorter({widgets: ['MyZebra']});");
} else {
$oP = new ajax_page('iTop export');
$oP->SetContentType($oExporter->GetMimeType());
}
DoExport($oP, $oExporter, false);
$oP->output();
}
} catch (BulkExportMissingParameterException $e) {
$oP = new ajax_page('iTop Export');
$oP->add($e->getMessage());
Usage($oP);
$oP->output();
} catch (Exception $e) {
$oP = new WebPage('iTop Export');
$oP->add('Error: ' . $e->getMessage());
IssueLog::Error($e->getMessage() . "\n" . $e->getTraceAsString());
$oP->output();
}
/**
* @return boolean True if the task record can be deleted
*/
public function Process()
{
// By default: consider that the task is not completed
$bRet = false;
// Attempt to take the ownership
$iStatus = $this->MarkAsRunning();
if ($iStatus == self::OK) {
try {
$sStatus = $this->DoProcess();
if ($this->Get('event_id') != 0) {
$oEventLog = MetaModel::GetObject('Event', $this->Get('event_id'));
$oEventLog->Set('message', $sStatus);
$oEventLog->DBUpdate();
}
$bRet = true;
} catch (Exception $e) {
$iRemaining = $this->Get('remaining_retries');
if ($iRemaining > 0) {
$iRetryDelay = $this->GetRetryDelay();
IssueLog::Info('Failed to process async task #' . $this->GetKey() . ' - reason: ' . $e->getMessage() . ' - remaining retries: ' . $iRemaining . ' - next retry in ' . $iRetryDelay . 's');
$this->Set('remaining_retries', $iRemaining - 1);
$this->Set('status', 'planned');
$this->Set('started', null);
$this->Set('planned', time() + $iRetryDelay);
$this->DBUpdate();
} else {
IssueLog::Error('Failed to process async task #' . $this->GetKey() . ' - reason: ' . $e->getMessage());
}
}
} else {
// Already done or being handled by another process... skip...
$bRet = false;
}
return $bRet;
}
/**
* Add a 'context' OQL query, specifying extra objects to be marked as 'is_reached'
* even though they are not part of the sources.
* @param string $sOQL The OQL query defining the context objects
*/
public function AddContextQuery($key, $sOQL)
{
if ($sOQL === '') {
return;
}
$oSearch = DBObjectSearch::FromOQL($sOQL);
$aAliases = $oSearch->GetSelectedClasses();
if (count($aAliases) < 2) {
IssueLog::Error("Invalid context query '{$sOQL}'. A context query must contain at least two columns.");
throw new Exception("Invalid context query '{$sOQL}'. A context query must contain at least two columns. Columns: " . implode(', ', $aAliases) . '. ');
}
$aAliasNames = array_keys($aAliases);
$sClassAlias = $oSearch->GetClassAlias();
$oCondition = new BinaryExpression(new FieldExpression('id', $aAliasNames[0]), '=', new VariableExpression('id'));
$oSearch->AddConditionExpression($oCondition);
$sClass = $oSearch->GetClass();
if (!array_key_exists($sClass, $this->aContextSearches)) {
$this->aContextSearches[$sClass] = array();
}
$this->aContextSearches[$sClass][] = array('key' => $key, 'search' => $oSearch);
}
/**
* Attempt to acquire the mutex
* @returns bool True if the mutex is acquired, false if already locked elsewhere
*/
public function TryLock()
{
if ($this->bLocked) {
return true;
// Already acquired
}
if (self::$aAcquiredLocks[$this->sName] > 0) {
self::$aAcquiredLocks[$this->sName]++;
$this->bLocked = true;
return true;
}
$res = $this->QueryToScalar("SELECT GET_LOCK('" . $this->sName . "', 0)");
if (is_null($res)) {
throw new Exception("Failed to acquire the lock '" . $this->sName . "'");
}
// $res === '1' means I hold the lock
// $res === '0' means it timed out
if ($res === '1') {
$this->bLocked = true;
self::$aAcquiredLocks[$this->sName]++;
}
if ($res !== '1' && $res !== '0') {
$sMsg = 'GET_LOCK(' . $this->sName . ', 0) returned: ' . var_export($res, true) . '. Expected values are: 0, 1 or null';
IssueLog::Error($sMsg);
throw new Exception($sMsg);
}
return $res !== '0';
}
protected function LogMessage($sMessage, $aData = array())
{
if (MetaModel::IsLogEnabledIssue()) {
if (MetaModel::IsValidClass('EventIssue')) {
$oLog = new EventIssue();
$oLog->Set('message', $sMessage);
$oLog->Set('userinfo', '');
$oLog->Set('issue', 'LDAP Authentication');
$oLog->Set('impact', 'User login rejected');
$oLog->Set('data', $aData);
$oLog->DBInsertNoReload();
}
IssueLog::Error($sMessage);
}
}
protected static function IncludeModule($sModuleType, $sToInclude)
{
$sFirstChar = substr($sToInclude, 0, 1);
$sSecondChar = substr($sToInclude, 1, 1);
if ($sFirstChar != '/' && $sFirstChar != '\\' && $sSecondChar != ':') {
// It is a relative path, prepend APPROOT
if (substr($sToInclude, 0, 3) == '../') {
// Preserve compatibility with config files written before 1.0.1
// Replace '../' by '<root>/'
$sFile = APPROOT . '/' . substr($sToInclude, 3);
} else {
$sFile = APPROOT . '/' . $sToInclude;
}
} else {
// Leave as is - should be an absolute path
$sFile = $sToInclude;
}
if (!file_exists($sFile)) {
$sConfigFile = self::$m_oConfig->GetLoadedFile();
if (strlen($sConfigFile) > 0) {
throw new CoreException('Include: wrong file name in configuration file', array('config file' => $sConfigFile, 'section' => $sModuleType, 'filename' => $sFile));
} else {
// The configuration is in memory only
throw new CoreException('Include: wrong file name in configuration file (in memory)', array('section' => $sModuleType, 'filename' => $sFile));
}
}
// Note: We do not expect the modules to output characters while loading them.
// Therefore, and because unexpected characters can corrupt the output,
// they must be trashed here.
// Additionnaly, pages aiming at delivering data in their output can call WebPage::TrashUnexpectedOutput()
// to get rid of chars that could be generated during the execution of the code
ob_start();
require_once $sFile;
$sPreviousContent = ob_get_clean();
if (self::$m_oConfig->Get('debug_report_spurious_chars')) {
if ($sPreviousContent != '') {
IssueLog::Error("Spurious characters injected by {$sModuleType}/{$sToInclude}");
}
}
}
protected function LogError($sMsg)
{
IssueLog::Error($sMsg);
}
/**
* Read the output buffer and deal with its contents:
* - trash unexpected output if the flag has been set
* - report unexpected behaviors such as the output buffering being stopped
*
* Possible improvement: I've noticed that several output buffers are stacked,
* if they are not empty, the output will be corrupted. The solution would
* consist in unstacking all of them (and concatenate the contents).
*/
protected function ob_get_clean_safe()
{
$sOutput = ob_get_contents();
if ($sOutput === false) {
$sMsg = "Design/integration issue: No output buffer. Some piece of code has called ob_get_clean() or ob_end_clean() without calling ob_start()";
if ($this->bTrashUnexpectedOutput) {
IssueLog::Error($sMsg);
$sOutput = '';
} else {
$sOutput = $sMsg;
}
} else {
ob_end_clean();
// on some versions of PHP doing so when the output buffering is stopped can cause a notice
if ($this->bTrashUnexpectedOutput) {
if (trim($sOutput) != '') {
if (Utils::GetConfig() && Utils::GetConfig()->Get('debug_report_spurious_chars')) {
IssueLog::Error("Trashing unexpected output:'{$s_captured_output}'\n");
}
}
$sOutput = '';
}
}
return $sOutput;
}
/**
* Get the description of the graph as text string in the XDot format
* including the positions of the nodes and egdes (requires graphviz
* to be installed on the machine and the path to dot/dot.exe to be
* configured in the iTop configuration file)
* Note: the function creates temporary files in APPROOT/data/tmp
* @return string
*/
public function DumpAsXDot()
{
$sDotExecutable = MetaModel::GetConfig()->Get('graphviz_path');
if (file_exists($sDotExecutable)) {
// create the file with Graphviz
if (!is_dir(APPROOT . "data")) {
@mkdir(APPROOT . "data");
}
if (!is_dir(APPROOT . "data/tmp")) {
@mkdir(APPROOT . "data/tmp");
}
$sXdotFilePath = tempnam(APPROOT . "data/tmp", 'xdot-');
$sDotDescription = $this->GetDotDescription(true);
// true => don't put (localized) labels in the file, since it makes it harder to parse
$sDotFilePath = tempnam(APPROOT . "data/tmp", 'dot-');
$rFile = @fopen($sDotFilePath, "w");
@fwrite($rFile, $sDotDescription);
@fclose($rFile);
$aOutput = array();
$CommandLine = "\"{$sDotExecutable}\" -v -Tdot < {$sDotFilePath} -o{$sXdotFilePath} 2>&1";
exec($CommandLine, $aOutput, $iRetCode);
if ($iRetCode != 0) {
$sHtml = '';
$sHtml .= "<p><b>Error:</b></p>";
$sHtml .= "<p>The command: <pre>{$CommandLine}</pre> returned {$iRetCode}</p>";
$sHtml .= "<p>The output of the command is:<pre>\n" . implode("\n", $aOutput) . "</pre></p>";
IssueLog::Error($sHtml);
} else {
$sHtml = '<pre>' . file_get_contents($sXdotFilePath) . '</pre>';
@unlink($sXdotFilePath);
}
@unlink($sDotFilePath);
} else {
throw new Exception('graphviz not found (executable path: ' . $sDotExecutable . ')');
}
return $sHtml;
}
public static function SetProperty($sName, $sValue, $sComment = '', $sDescription = null)
{
try {
$oSearch = DBObjectSearch::FromOQL('SELECT DBProperty WHERE name = :name');
$oSet = new DBObjectSet($oSearch, array(), array('name' => $sName));
if ($oSet->Count() == 0) {
$oProp = new DBProperty();
$oProp->Set('name', $sName);
$oProp->Set('description', $sDescription);
$oProp->Set('value', $sValue);
$oProp->Set('change_date', time());
$oProp->Set('change_comment', $sComment);
$oProp->DBInsert();
} elseif ($oSet->Count() == 1) {
$oProp = $oSet->fetch();
if (!is_null($sDescription)) {
$oProp->Set('description', $sDescription);
}
$oProp->Set('value', $sValue);
$oProp->Set('change_date', time());
$oProp->Set('change_comment', $sComment);
$oProp->DBUpdate();
} else {
// Houston...
throw new CoreException('duplicate db property');
}
} catch (MySQLException $e) {
// This might be because the table could not be found,
// let's check it and discard silently if this is really the case
if (self::IsInstalled()) {
throw $e;
}
IssueLog::Error('Attempting to write a DBProperty while the module has not been installed');
}
}
/**
* Discard unexpected output data
* This is a MUST when the Page output is DATA (download of a document, download CSV export, download ...)
*/
public function TrashUnexpectedOutput()
{
// This protection is redundant with a protection implemented in MetaModel::IncludeModule
// which detects such issues while loading module files
// Here, the purpose is to detect and discard characters produced by the code execution (echo)
$sPreviousContent = ob_get_clean();
if (trim($sPreviousContent) != '') {
if (Utils::GetConfig() && Utils::GetConfig()->Get('debug_report_spurious_chars')) {
IssueLog::Error("Output already started before downloading file:\nContent was:'{$sPreviousContent}'\n");
}
}
}
/**
* Overridable to extend the behavior in case of error (logging)
*/
protected function HandleError($sErrorMessage, $iErrorCode)
{
if ($this->Get('last_attempt') == '') {
// First attempt
$this->Set('remaining_retries', $this->GetMaxRetries($iErrorCode));
}
$this->Set('last_error', $sErrorMessage);
$this->Set('last_error_code', $iErrorCode);
// Note: can be ZERO !!!
$this->Set('last_attempt', time());
$iRemaining = $this->Get('remaining_retries');
if ($iRemaining > 0) {
$iRetryDelay = $this->GetRetryDelay($iErrorCode);
IssueLog::Info('Failed to process async task #' . $this->GetKey() . ' - reason: ' . $sErrorMessage . ' - remaining retries: ' . $iRemaining . ' - next retry in ' . $iRetryDelay . 's');
$this->Set('remaining_retries', $iRemaining - 1);
$this->Set('status', 'planned');
$this->Set('started', null);
$this->Set('planned', time() + $iRetryDelay);
} else {
IssueLog::Error('Failed to process async task #' . $this->GetKey() . ' - reason: ' . $sErrorMessage);
$this->Set('status', 'error');
$this->Set('started', null);
$this->Set('planned', null);
$this->OnDefinitiveFailure();
}
$this->DBUpdate();
}
