Exam AD0-E718 topic 1 question 24 discussion

Actual exam question from Adobe's AD0-E718

Question #: 24
Topic #: 1

While reviewing a newly developed pull request that refactors multiple custom payment methods, the Architect notices multiple classes that depend on \Magento\Framework\Encryption\EncryptorInterface to decrypt credentials for sensitive data.
The code that is commonly repeated is as follows:

In each module, the user_secret config is declared as follows:

The Architect needs to recommend an optimal solution to avoid redundant dependency and duplicate code among the methods.
Which solution should the Architect recommend?

A. Replace all Vendor\PaymentModule\Gateway\Config classes with virtualType of Magento\Payment\Gateway\Config\Config and set <user_secret backend_model=“Magento\Config\Model\Config\Backend\Encrypted” /> under config.xml
B. Add a plugin after the getValue method of $scopeConfig, remove the $encryptor from dependency and use it in the plugin to decrypt the value if the config name is ‘user_secret’
C. Create a common config service class Vendor\Payment\Gateway\Config\Config under Vendor_Payment and use it as a parent class for all of the Vendor\PaymentModule\Gateway\Config\Config classes and remove $scopeConfig and $encryptor dependencies

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Suggested Answer: C 🗳️

by crowleymr at Oct. 31, 2023, 7:56 a.m.

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crowleymr

1 year, 4 months ago

Selected Answer: A

It is possible to define a backend model in config.xml, so when you retrieve the value by scopeConfig it will be already decrypted

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Exam AD0-E718 topic 1 question 24 discussion

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crowleymr

SY0-701