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<?php |
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namespace SimpleSAML\Module\monitor\TestCase\AuthSource\Ldap; |
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use \SimpleSAML\Module\monitor\State as State; |
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use \SimpleSAML\Module\monitor\TestData as TestData; |
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use \SimpleSAML\Module\monitor\TestResult as TestResult; |
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use \SimpleSAML\Module\monitor\TestSuite as TestSuite; |
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final class Search extends \SimpleSAML\Module\monitor\TestCaseFactory |
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{ |
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/* |
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* @var \SimpleSAML_Auth_LDAP|null |
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*/ |
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private $connection = null; |
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/* |
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* @var string|null |
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*/ |
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private $base = null; |
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/* |
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* @var string|null |
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*/ |
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private $username = null; |
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/* |
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* @var string|null |
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*/ |
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private $password = null; |
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/* |
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* @var array |
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*/ |
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private $attributes = array(); |
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/* |
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* @param TestData $testData |
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* |
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* @return void |
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*/ |
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protected function initialize($testData) |
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{ |
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$authSourceData = $testData->getInput('authSourceData'); |
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$base = $authSourceData['search.base']; |
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$base = is_array($base) ? $base[0] : $base; |
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if (($i = stripos($base, 'DC=')) > 0) { |
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$base = substr($base, $i); |
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} |
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$this->base = $base; |
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$username = $authSourceData['search.username']; |
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$this->setSubject($username); |
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if (strpos($username, 'DC=') > 0) { |
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// We have been given a DN |
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$username = ldap_explode_dn($username, 1); |
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$this->username = $username[0]; |
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$this->attributes = array('cn'); |
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} else { |
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// We have been given a sAMAccountName |
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$this->username = $username; |
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$this->attributes = array('sAMAccountName'); |
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} |
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$this->password = $authSourceData['search.password']; |
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$this->connection = $testData->getInput('connection'); |
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parent::initialize($testData); |
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} |
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/* |
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* @return void |
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*/ |
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protected function invokeTest() |
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{ |
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$connection = $this->connection; |
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$testResult = new TestResult('LDAP Search', $this->getSubject()); |
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try { |
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$distinguishedName = $connection->searchfordn($this->base, $this->attributes, $this->username); |
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} catch (\Exception $e) { |
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$distinguishedName = false; |
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} |
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if (is_string($distinguishedName)) { |
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$msg = 'Search succesful'; |
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$state = State::OK; |
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} elseif ($distinguishedName === false) { |
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$msg = str_replace('Library - LDAP searchfordn(): ', '', $e->getMessage()); |
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$state = State::ERROR; |
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} else { |
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// Search for configured search.username returned no results; Shouldn't happen!! |
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$msg = 'Invalid search result'; |
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$state = State::WARNING; |
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} |
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$testResult->setState($state); |
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$testResult->setMessage($msg); |
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$this->setTestResult($testResult); |
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} |
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} |
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If you define a variable conditionally, it can happen that it is not defined for all execution paths.
Let’s take a look at an example:
In the above example, the variable $x is defined if you pass “foo” or “bar” as argument for $a. However, since the switch statement has no default case statement, if you pass any other value, the variable $x would be undefined.
Available Fixes
Check for existence of the variable explicitly:
Define a default value for the variable:
Add a value for the missing path: