68 lines
2.2 KiB
PHP
68 lines
2.2 KiB
PHP
<?php
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namespace App\Providers\Danal\Clients;
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use App\Support\Danal\DanalAes256CbcHex;
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use App\Support\Danal\Nvp;
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use App\Support\Danal\EucKr;
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use Illuminate\Support\Facades\Http;
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final class DanalCpcgiClient
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{
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public function __construct(
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private readonly DanalAes256CbcHex $aes,
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private readonly Nvp $nvp,
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private readonly EucKr $euc,
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) {}
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/**
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* CPCGI POST 규칙:
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* CPID=...&DATA=urlencode(base64(AES256CBC( key=urlencode(value)&... )))
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* 응답은 NVP, DATA가 있으면 다시 decrypt -> NVP
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*/
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public function call(string $url, string $outerCpid, array $reqData, string $hexKey, string $hexIv): array
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{
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$sendData = [];
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foreach ($reqData as $k => $v) {
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$sendData[$k] = is_string($v) ? $this->euc->toEuc($v) : $v;
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}
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$plain = $this->nvp->build($sendData);
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$enc = $this->aes->encrypt($plain, $hexKey, $hexIv);
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$payload = 'CPID=' . $outerCpid . '&DATA=' . urlencode($enc);
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$httpOpt = config('danal.http');
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$res = Http::withOptions([
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'verify' => (bool)($httpOpt['verify_ssl'] ?? true),
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'connect_timeout' => (float)($httpOpt['connect_timeout'] ?? 5),
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])
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->withHeaders([
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'Content-Type' => 'application/x-www-form-urlencoded; charset=euc-kr',
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])
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->timeout((int)($httpOpt['timeout'] ?? 30))
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->withBody($payload, 'application/x-www-form-urlencoded; charset=euc-kr')
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->post($url);
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$body = (string)$res->body();
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$map = $this->nvp->parse($body);
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// 응답이 DATA를 포함하면 decrypt 후 재파싱
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if (isset($map['DATA']) && is_string($map['DATA']) && $map['DATA'] !== '') {
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$dec = $this->aes->decrypt($map['DATA'], $hexKey, $hexIv);
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$map = $this->nvp->parse($dec);
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}
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// 메시지는 EUC-KR일 수 있으니 UTF-8 변환
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return $this->euc->mapToUtf8($map);
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}
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public function decryptReturnParams(string $returnParams, string $hexKey, string $hexIv): array
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{
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$dec = $this->aes->decrypt($returnParams, $hexKey, $hexIv);
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$map = $this->nvp->parse($dec);
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return $this->euc->mapToUtf8($map);
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}
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}
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