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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                // error_reporting(E_ALL); ini_set('display_errors',1); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                require_once __DIR__ . '/../../vendor/autoload.php';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                require_once __DIR__ . '/index-functions.php';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use CILogon\Service\Util;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use CILogon\Service\Loggit;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                Util::startPHPSession();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                // Check the csrf cookie against either a hidden <form> element or a  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                // PHP session variable, and get the value of the 'submit' element.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                $submit = Util::getCsrf()->verifyCookieAndGetSubmit();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                Util::unsetSessionVar('submit'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                // Get the URL to reply to after database query.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                $responseurl = Util::getSessionVar('responseurl'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                if (($submit == 'getuser') && (strlen($responseurl) > 0)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    getUserAndRespond($responseurl);  | 
            
                            
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                } elseif ($submit == 'pkcs12') { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    getPKCS12();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                } elseif ($submit == 'certreq') { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    getCert();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                } else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    // If the REQUEST_URI was '/secure/getcert' then it was ECP.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    // Respond with an error message rather than a redirect.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    if (preg_match('%/secure/getcert%', Util::getServerVar('REQUEST_URI'))) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $log = new Loggit();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $log->info('"/secure/getcert" error: Either CSRF check ' . | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                   'failed, or invalid "submit" command issued.');  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        outputError('Unable to complete ECP transaction. Either CSRF ' . | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    'check failed, or invalid "submit" command issued.');  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    } else { // Redirect to $responseurl or main homepage | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (strlen($responseurl) == 0) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $responseurl = 'https://' . Util::getHN();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        header('Location: ' . $responseurl); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        exit; // No further processing necessary  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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This check compares calls to functions or methods with their respective definitions. If the call has more arguments than are defined, it raises an issue.
If a function is defined several times with a different number of parameters, the check may pick up the wrong definition and report false positives. One codebase where this has been known to happen is Wordpress.
In this case you can add the
@ignorePhpDoc annotation to the duplicate definition and it will be ignored.