86 lines
2.1 KiB
PHP
Executable File
86 lines
2.1 KiB
PHP
Executable File
<?php
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/**
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* Class for creating exceptions from assertion failures.
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*
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* @author Olav Morken, UNINETT AS.
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* @package SimpleSAMLphp
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*/
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class SimpleSAML_Error_Assertion extends SimpleSAML_Error_Exception
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{
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/**
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* The assertion which failed, or null if only an expression was passed to the
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* assert-function.
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*/
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private $assertion;
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/**
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* Constructor for the assertion exception.
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*
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* Should only be called from the onAssertion handler.
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*
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* @param string|null $assertion The assertion which failed, or null if the assert-function was
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* given an expression.
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*/
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public function __construct($assertion = null)
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{
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assert($assertion === null || is_string($assertion));
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$msg = 'Assertion failed: ' . var_export($assertion, true);
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parent::__construct($msg);
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$this->assertion = $assertion;
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}
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/**
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* Retrieve the assertion which failed.
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*
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* @return string|null The assertion which failed, or null if the assert-function was called with an expression.
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*/
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public function getAssertion()
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{
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return $this->assertion;
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}
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/**
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* Install this assertion handler.
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*
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* This function will register this assertion handler. If will not enable assertions if they are
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* disabled.
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*/
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public static function installHandler()
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{
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assert_options(ASSERT_WARNING, 0);
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assert_options(ASSERT_QUIET_EVAL, 0);
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assert_options(ASSERT_CALLBACK, array('SimpleSAML_Error_Assertion', 'onAssertion'));
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}
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/**
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* Handle assertion.
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*
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* This function handles an assertion.
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*
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* @param string $file The file assert was called from.
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* @param int $line The line assert was called from.
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* @param mixed $message The expression which was passed to the assert-function.
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*/
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public static function onAssertion($file, $line, $message)
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{
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if (!empty($message)) {
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$exception = new self($message);
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} else {
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$exception = new self();
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}
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$exception->logError();
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}
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}
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