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Push — master ( d47dcb...df81e1 )
by Igor
03:40
created

Parser::__construct()   A

↳ Parent: Parser

Complexity

Conditions 1
Paths 1

Size

Total Lines 6
Code Lines 4

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
c 0
b 0
f 0
dl 0
loc 6
rs 9.4285
cc 1
eloc 4
nc 1
nop 1
1 
<?php
2 

            


            
                                                                                                            
                            
            
                                    
            
            

                
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namespace app\parsers\auth;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use yii\authclient\ClientInterface;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use app\parsers\auth\ParserInterface;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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abstract class Parser implements ParserInterface

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @var ClientInterface

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    protected $client;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @var array

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    protected $profile;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @var array

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    protected $token;

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    public function __construct(ClientInterface $client)

            


            
                                                        
            
                                    
            
            

                
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    {

            


            
                                                        
            
                                    
            
            

                
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        $this->client = $client;

            


            
                                                        
            
                                    
            
            

                
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        $this->profile = $client->getUserAttributes();

            


            
                                                        
            
                                    
            
            

                
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        $this->token = $client->getAccessToken()->getParams();

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
0 ignored issues

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            Bug
    
    
    
        introduced 
                            by 
            

        

        

            
        

        

            

                

                    
                
                
            


        

    

    

        
                        

                            
                                
                            
                        

                                        
It seems like you code against a concrete implementation and not the interface yii\authclient\ClientInterface as the method getAccessToken() does only exist in the following implementations of said interface: yii\authclient\BaseOAuth, yii\authclient\OAuth1, yii\authclient\OAuth2, yii\authclient\OpenIdConnect, yii\authclient\clients\Facebook, yii\authclient\clients\GitHub, yii\authclient\clients\Google, yii\authclient\clients\GoogleHybrid, yii\authclient\clients\LinkedIn, yii\authclient\clients\Live, yii\authclient\clients\Twitter, yii\authclient\clients\VKontakte, yii\authclient\clients\Yandex.
                                                                                                                                                                                                        

                    
                                            

                            

                            

                                
                                    
                                
                            


                            
Let’s take a look at an example:


interface User
{
    /** @return string */
    public function getPassword();
}

class MyUser implements User
{
    public function getPassword()
    {
        // return something
    }

    public function getDisplayName()
    {
        // return some name.
    }
}

class AuthSystem
{
    public function authenticate(User $user)
    {
        $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName()));
        // do something.
    }
}





In the above example, the authenticate() method works fine as long as you just pass
instances of MyUser. However, if you now also want to pass a different implementation
of User which does not have a getDisplayName() method, the code will break.




Available Fixes


  1. Change the type-hint for the parameter:
    

    class AuthSystem
{
    public function authenticate(MyUser $user) { /* ... */ }
}

    

    

    2. 

  2. Add an additional type-check:
    

    class AuthSystem
{
    public function authenticate(User $user)
    {
        if ($user instanceof MyUser) {
            $this->logger->info(/** ... */);
        }

        // or alternatively
        if ( ! $user instanceof MyUser) {
            throw new \LogicException(
                '$user must be an instance of MyUser, '
               .'other instances are not supported.'
            );
        }

    }
}

    

    

    3. 




 Note: PHP Analyzer uses reverse abstract interpretation to narrow down the types
inside the if block in such a case.


  1. Add the method to the interface:
    

    interface User
{
    /** @return string */
    public function getPassword();

    /** @return string */
    public function getDisplayName();
}

    

    

    2. 



                        

                                                    

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