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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace WrapIt\Helpers;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use WrapIt\WrapIt;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use WrapIt\Exceptions\WrapItParameterException;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use WrapIt\Http\WrapItApiRequester;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use WrapIt\Http\WrapItPushRequester;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use WrapIt\Helpers\Helper;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Class WrapItUserHelper  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package WrapIt  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class WrapItPushHelper extends Helper { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected $access_token = null;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected $push_requester;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function __construct($wi, $access_token = null) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        parent::__construct($wi);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->access_token = $access_token;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->push_requester = new WrapItPushRequester($this->domain, $this->getAccessToken());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private function getAccessToken() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($this->access_token != null) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return $this->access_token;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $data = $this->api_requester->post("access_token", array( | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            "client_id" => $this->client_id,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            "client_secret" => $this->client_secret,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            "grant_type" => "app_token"  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (isset($data["access_token"])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->access_token = $data["access_token"];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return $this->access_token;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        } else if (isset($data["error"])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            throw new WrapItParameterException($data["error"]["message"]);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        throw new WrapItParameterException("Invalid domain or client credentials"); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function sendPush($userid, $data) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $data = $this->push_requester->post("pushservice/$userid", $data); | 
            
                            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    public function getPushTemplate() { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        return array(  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            "categories" => array(),  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            "device_types" => array(  | 
            
            
                                                                        
                            
            
                                    
            
            
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                                "mail" => false,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                                "sms" => false,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                                "browser" => false,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                                "phone" => false  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            ),  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            "properties" => array(  | 
            
            
                                                                        
                            
            
                                    
            
            
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                                "attribution" => null,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                                "app_icon" => null,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                                "hero_image" => null,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                                "badge" => null,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                                "sound" => array(  | 
            
            
                                                                        
                            
            
                                    
            
            
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                                    "UWP" => null,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                                    "Apple" => null  | 
            
            
                                                                        
                            
            
                                    
            
            
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                                )  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            ),  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            "title" => null,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            "lines" => array(),  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            "actions" => array()  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        );  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVarassignment in line 1 and the$higherassignment in line 2 are dead. The first because$myVaris never used and the second because$higheris always overwritten for every possible time line.