72 lines
2.2 KiB
PHP
72 lines
2.2 KiB
PHP
<?php
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namespace Modules\EcommerceFinance\Services;
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use Illuminate\Support\Facades\Cache;
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use Illuminate\Support\Facades\Http;
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/**
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* 通过钉钉「下载审批附件」接口把审批表单里的附件（spaceId/fileId）换成
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* 钉盘临时下载地址。应用凭证复用登录用的企业内部应用
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* （config('dingtalk.client_id' / 'client_secret')）。
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*/
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class DingTalkApprovalAttachmentDownloader
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{
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private const GET_TOKEN_URL = 'https://oapi.dingtalk.com/gettoken';
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private const GRANT_DOWNLOAD_URL = 'https://api.dingtalk.com/v1.0/workflow/processInstances/spaces/files/urls/download';
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private const TOKEN_CACHE_KEY = 'dingtalk:app_access_token';
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public function downloadUri(string $processInstanceId, string $fileId): ?string
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{
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$token = $this->accessToken();
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if ($token === null) {
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return null;
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}
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$response = Http::withHeaders(['x-acs-dingtalk-access-token' => $token])
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->timeout(20)
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->post(self::GRANT_DOWNLOAD_URL, [
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'processInstanceId' => $processInstanceId,
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'fileId' => $fileId,
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]);
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if (! $response->successful()) {
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report(new \RuntimeException(
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'dingtalk approval attachment grant failed: HTTP ' . $response->status()
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));
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return null;
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}
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$uri = (string) $response->json('result.downloadUri');
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return $uri !== '' ? $uri : null;
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}
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private function accessToken(): ?string
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{
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$clientId = (string) config('dingtalk.client_id');
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$secret = (string) config('dingtalk.client_secret');
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if ($clientId === '' || $secret === '') {
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return null;
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}
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$token = Cache::remember(self::TOKEN_CACHE_KEY, now()->addMinutes(100), function () use ($clientId, $secret): ?string {
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$response = Http::timeout(15)->get(self::GET_TOKEN_URL, [
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'appkey' => $clientId,
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'appsecret' => $secret,
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]);
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$token = (string) $response->json('access_token');
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return $token !== '' ? $token : null;
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});
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return is_string($token) && $token !== '' ? $token : null;
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}
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}
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