misc_pterodactyl-panel/app/Http/Requests/Api/Client/Account/StoreSSHKeyRequest.php

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<?php
namespace Pterodactyl\Http\Requests\Api\Client\Account;
use phpseclib3\Crypt\DSA;
use phpseclib3\Crypt\RSA;
use Pterodactyl\Models\UserSSHKey;
use Illuminate\Validation\Validator;
use phpseclib3\Crypt\PublicKeyLoader;
use phpseclib3\Crypt\Common\PublicKey;
use phpseclib3\Exception\NoKeyLoadedException;
use Pterodactyl\Http\Requests\Api\Client\ClientApiRequest;
class StoreSSHKeyRequest extends ClientApiRequest
{
protected ?PublicKey $key;
/**
* Returns the rules for this request.
*/
public function rules(): array
{
return [
'name' => UserSSHKey::getRulesForField('name'),
'public_key' => UserSSHKey::getRulesForField('public_key'),
];
}
/**
* Check to see if this SSH key has already been added to the user's account
* and if so return an error.
*/
public function withValidator(Validator $validator): void
{
$validator->after(function () {
try {
$this->key = PublicKeyLoader::loadPublicKey($this->input('public_key'));
} catch (NoKeyLoadedException $exception) {
$this->validator->errors()->add('public_key', 'The public key provided is not valid.');
return;
}
if ($this->key instanceof DSA) {
$this->validator->errors()->add('public_key', 'DSA keys are not supported.');
}
if ($this->key instanceof RSA && $this->key->getLength() < 2048) {
$this->validator->errors()->add('public_key', 'RSA keys must be at least 2048 bytes in length.');
}
$fingerprint = $this->key->getFingerprint('sha256');
if ($this->user()->sshKeys()->where('fingerprint', $fingerprint)->exists()) {
$this->validator->errors()->add('public_key', 'The public key provided already exists on your account.');
}
});
}
/**
* Returns the public key but formatted in a consistent manner.
*/
public function getPublicKey(): string
{
return $this->key->toString('PKCS8');
}
/**
* Returns the SHA256 fingerprint of the key provided.
*/
public function getKeyFingerprint(): string
{
if (!$this->key) {
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throw new \Exception('The public key was not properly loaded for this request.');
}
return $this->key->getFingerprint('sha256');
}
}