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DataCrypt   A

↳ Parent: Project

Complexity

Total Complexity 6

Size/Duplication

Total Lines 26
Duplicated Lines 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
eloc 15
c 1
b 0
f 0
dl 0
loc 26
rs 10
wmc 6

2 Methods

Rating   Name   Duplication   Size   Complexity  
A decrypt() 0 19 5
A __construct() 0 3 1
1 
<?php
2 

            


            
                                                                                                            
                            
            
                                    
            
            

                
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namespace icy2003\php\iapis\wechat\miniprogram;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Exception;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use icy2003\php\iapis\Api;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use icy2003\php\ihelpers\Json;

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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class DataCrypt extends Api

            


            
                                                                        
                            
            
                                    
            
            

                
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{

            


            
                                                                        
                            
            
                                    
            
            

                
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    public function __construct($appid)

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        $this->setOption('appid', $appid);

            


            
                                                                        
                            
            
                                    
            
            

                
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    }

            


            
                                                                        
                            
            
                                    
            
            

                
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    public function decrypt($encryptedData, $iv, $sessionKey)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        if (24 !== strlen($sessionKey)) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            throw new Exception('错误的 session key');

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        if (24 !== strlen($iv)) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            throw new Exception('错误的 iv');

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $aesKey = base64_decode($sessionKey);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $aesIv = base64_decode($iv);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $aesCipher = base64_decode($encryptedData);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->_result = Json::decode(openssl_decrypt($aesCipher, 'aes-128-cbc', $aesKey, OPENSSL_RAW_DATA, $aesIv));

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
0 ignored issues

                            –
                            show
                        


                        

                                                                                        




    

        
            Documentation
            Bug
    
    
    
        introduced 
                            by 
            

        

        

            
        

        

            

                

                    
                
                
            


        

    

    

        
                        

                            
                                
                            
                        

                                        
It seems like icy2003\php\ihelpers\Jso...NSSL_RAW_DATA, $aesIv)) can also be of type false. However, the property $_result is declared as type array. Maybe add an additional type check?
                                                                                                                                                                                                                                                            

                    
                                            

                            

                            

                                
                                    
                                
                            


                            
Our type inference engine has found a suspicous assignment of a value to a property.
This check raises an issue when a value that can be of a mixed type is assigned to
a property that is type hinted more strictly.


For example, imagine you have a variable $accountId that can either hold an
Id object or false (if there is no account id yet). Your code now assigns that
value to the id property of an instance of the Account class. This class
holds a proper account, so the id value must no longer be false.


Either this assignment is in error or a type check should be added for that assignment.


class Id
{
    public $id;

    public function __construct($id)
    {
        $this->id = $id;
    }

}

class Account
{
    /** @var  Id $id */
    public $id;
}

$account_id = false;

if (starsAreRight()) {
    $account_id = new Id(42);
}

$account = new Account();
if ($account instanceof Id)
{
    $account->id = $account_id;
}





                        

                                                    

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        if (null === $this->_result) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            throw new Exception('错误的 encryptedData');

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        if ($this->_result['watermark']['appid'] !== $this->_options['appid']) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            throw new Exception('错误的 appid');

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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        return $this;

            


            
                                                                        
                                                                
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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