Smutty
MVC Framework
View Code: Smutty_Exception
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<?
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define( 'ERR_ALL', 1 );
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define( 'ERR_STANDARD', 2 );
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/**
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* this class handles all exceptions and warnings
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* generated by smutty.
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*
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*/
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class Smutty_Exception extends Smutty_Object {
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// warnings that have been generated
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private $warnings;
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// are templates enabled?
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private $useTemplates;
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// error types to show
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private $errorTypes;
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// singleton
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private static $instance = null;
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/**
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* constructor
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*
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* @return nothing
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*
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*/
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$this->warnings = array();
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$this->useTemplates = false;
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$this->errorTypes = ERR_STANDARD;
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}
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/**
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* enables the use of smarty templates for error
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* reporting purposes
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*
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* @return nothing
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*
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*/
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$this->useTemplates = true;
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}
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/**
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* returns the singleton instance for this object. this singleton
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* can then be used to set global error reporting options.
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*
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* @return Smutty_Exception
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*
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*/
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public static function &getInstance() {
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if ( self::$instance == null )
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self::$instance = new Smutty_Exception();
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return self::$instance;
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}
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/**
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* returns a boolean indicating if templates will be
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* used when reporting an error
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*
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* @return boolean
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*
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*/
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return $this->useTemplates;
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}
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/**
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* call this to raise a fatal error
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*
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* @param String $message the error message
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* @param String $wikiHelp name of wiki help page
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* @param int $code http status code
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* @return nothing
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*
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*/
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$e =& Smutty_Exception::getInstance();
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header( 'HTTP/1.1 ' . $code );
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if ( $e->useTemplates )
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$e->showTemplate($message,$wikiHelp);
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else
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$e->showStandard($message,$wikiHelp);
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exit();
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}
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/**
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* this method is used to indicate that something has gone wrong, but
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* that it's not serious. just a warning. these warning messages
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* can then be reached by the getWarnings() method
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*
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* @param String $message the warning message
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* @param String $wikiHelp the wiki help page
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* @return nothing
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*
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*/
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$e =& Smutty_Exception::getInstance();
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$e->addWarning( $message, $wikiHelp );
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}
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/**
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* adds a warning message
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*
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* @param String $message the warning message
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* @param String $wikiHelp the wiki help page
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* @return nothing
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*
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*/
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$warning = new stdclass();
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$warning->message = $message;
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$warning->wikiHelp = $wikiHelp;
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$this->warnings[] = $warning;
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}
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/**
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* returns an array of warning messages that have been generated
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*
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* @return array
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*
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*/
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return $this->warnings;
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}
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/**
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* handles an error from php.
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*
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* @param int $errno severity
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* @param String $errstr description
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* @param String $errfile the files full path
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* @param int $errline the line
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* @param int $errcon the contect
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* @return nothing
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*
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*/
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$showError = true;
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switch ( $this->errorTypes ) {
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case ERR_ALL:
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break;
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case ERR_STANDARD:
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if ( in_array($errno,array(E_NOTICE)) )
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$showError = false;
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break;
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}
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// really show the error?
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if ( $showError )
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Smutty_Exception::fatal(
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"($errno) $errstr ($errfile, line $errline)",
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'SmuttyOverview'
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);
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}
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/**
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* shows an error message using smarty templates
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*
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* @param String $message the error message
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* @param String $wikiHelp name of wiki help page
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* @return nothing
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*
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*/
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$tpl = new Smutty_Template_Smutty();
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$tpl->assign( 'stack', debug_backtrace() );
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$tpl->assign( 'message', $message );
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$tpl->assign( 'wikiHelp', $wikiHelp );
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$tpl->display( 'exception.tpl' );
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}
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/**
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* shows an error message with standard output
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*
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* @param String $message the error message
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* @param String $wikiHelp name of wiki help page
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* @return nothing
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*
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*/
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?>
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<html><head><title>Smutty Exception</title></head><body>
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<h1><Smutty Exception></h1>
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<p>Burp! An error has occurred, the following message was reported:</p>
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<blockquote><?= htmlspecialchars($message) ?></blockquote>
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<p>You may be able to <a href="http://smutty.pu-gh.com/wiki/<?= urlencode($wikiHelp) ?>">find help
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on the wiki</a>! (<?= htmlspecialchars($wikiHelp) ?>)</p>
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</body></html>
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<?
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}
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/**
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* sets the level of error reporting
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*
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* @param int $type the errors types to show
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* @return nothing
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*
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*/
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$e =& Smutty_Exception::getInstance();
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$e->errorTypes = $type;
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}
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/**
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* returns the current level of error reporting
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*
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* @return integer
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*
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*/
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$e =& Smutty_Exception::getInstance();
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return $e->errorTypes;
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}
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}
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?>
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