333 lines
12 KiB
PHP
333 lines
12 KiB
PHP
<?php
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namespace App\Services\Esign;
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use Illuminate\Support\Facades\Http;
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use JsonException;
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use RuntimeException;
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final class EsignClient
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{
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private readonly string $baseUrl;
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private readonly EsignRequestSigner $signer;
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public function __construct(?EsignConfiguration $configuration = null)
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{
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$configuration ??= EsignConfiguration::fromConfig();
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$configuration->assertReadyForApi();
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$this->baseUrl = $configuration->baseUrl();
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$this->signer = new EsignRequestSigner($configuration->appId(), $configuration->appSecret());
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}
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public static function configured(): bool
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{
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$configuration = EsignConfiguration::fromConfig();
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if (! $configuration->isConfigured()) {
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return false;
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}
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try {
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$configuration->assertReadyForApi();
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} catch (RuntimeException) {
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return false;
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}
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return true;
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}
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public function uploadPdf(string $bytes, string $fileName): string
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{
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if (! str_starts_with($bytes, '%PDF-')) {
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throw new RuntimeException('只能向 E 签宝上传有效 PDF 文件。');
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}
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if (strlen($bytes) > 50 * 1024 * 1024) {
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throw new RuntimeException('E 签宝单文件不能超过 50 MB。');
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}
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if (preg_match('/[\\/:*"<>|？?\x00-\x1F]/u', $fileName) === 1 || ! str_ends_with(strtolower($fileName), '.pdf')) {
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throw new RuntimeException('E 签宝文件名必须是安全的 PDF 文件名。');
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}
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$contentMd5 = base64_encode(md5($bytes, true));
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$data = $this->request('POST', '/v3/files/file-upload-url', [
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'contentMd5' => $contentMd5,
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'contentType' => 'application/pdf',
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'fileName' => $fileName,
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'fileSize' => strlen($bytes),
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'convertToPDF' => false,
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]);
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$fileId = (string) ($data['fileId'] ?? '');
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$uploadUrl = (string) ($data['fileUploadUrl'] ?? '');
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if ($fileId === '' || $uploadUrl === '') {
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throw new RuntimeException('E 签宝未返回文件 ID 或上传地址。');
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}
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$uploadResponse = Http::timeout($this->timeout())
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->withHeaders(['Content-MD5' => $contentMd5])
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->withBody($bytes, 'application/pdf')
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->send('PUT', $uploadUrl);
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if (! $uploadResponse->successful()) {
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throw new RuntimeException('报价 PDF 上传到 E 签宝文件服务失败。');
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}
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$this->waitUntilFileReady($fileId);
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return $fileId;
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}
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public function createSignFlow(string $fileId, string $fileName, array $signer, int $expiresAtMs): string
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{
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$flowConfig = [
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'signFlowTitle' => $signer['flow_title'],
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'signFlowExpireTime' => $expiresAtMs,
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'autoStart' => true,
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'autoFinish' => true,
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'identityVerify' => true,
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];
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$notifyUrl = EsignConfiguration::fromConfig()->notifyUrl();
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if ($notifyUrl !== '') {
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$flowConfig['notifyUrl'] = $notifyUrl;
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}
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$signers = $signer['signers'] ?? null;
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$signerPayload = is_array($signers) && $signers !== []
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? array_map(fn (array $item, int $index): array => $this->signerPayload($fileId, $item, $index), array_values($signers), array_keys(array_values($signers)))
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: [[
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'signerType' => 1,
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'signConfig' => ['signOrder' => 1],
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'noticeConfig' => ['noticeTypes' => $signer['notice_types']],
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'orgSignerInfo' => [
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'orgName' => $signer['organization_name'],
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'transactorInfo' => [
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'psnAccount' => $signer['operator_account'],
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'psnInfo' => ['psnName' => $signer['operator_name']],
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],
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],
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'signFields' => [[
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'fileId' => $fileId,
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'normalSignFieldConfig' => [
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'freeMode' => true,
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'movableSignField' => true,
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'signFieldSize' => '159',
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],
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]],
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]];
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$docs = [[
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'fileId' => $fileId,
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'fileName' => $fileName,
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]];
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foreach ($signer['additional_docs'] ?? [] as $document) {
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$index = (int) $document['signer_index'];
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if (! isset($signerPayload[$index]) || blank($document['fileId'])) {
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throw new RuntimeException('证件推送单的签署方或文件 ID 无效。');
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}
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if (($document['stamp_only'] ?? false) && $signerPayload[$index]['signerType'] !== 1) {
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throw new RuntimeException('营业执照需要企业盖章，请选择企业签署方。');
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}
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$docs[] = ['fileId' => $document['fileId'], 'fileName' => $document['fileName']];
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// Each credential PDF is one page, with exactly one field assigned
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// to the chosen recipient. Other signers only sign the main file.
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$signerPayload[$index]['signFields'][] = [
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'fileId' => $document['fileId'],
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'normalSignFieldConfig' => [
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'freeMode' => false,
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'movableSignField' => false,
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'signFieldStyle' => 1,
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'signFieldSize' => '120',
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'signFieldPosition' => ['positionPage' => '1', 'positionX' => 420.0, 'positionY' => 725.0],
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],
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];
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}
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$data = $this->request('POST', '/v3/sign-flow/create-by-file', [
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'docs' => $docs,
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'signFlowConfig' => $flowConfig,
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'signers' => $signerPayload,
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]);
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$signFlowId = (string) ($data['signFlowId'] ?? '');
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if ($signFlowId === '') {
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throw new RuntimeException('E 签宝未返回签署流程 ID。');
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}
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return $signFlowId;
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}
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private function signerPayload(string $fileId, array $signer, int $index): array
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{
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$type = (int) ($signer['signer_type'] ?? 1);
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$payload = [
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'signerType' => $type,
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'signConfig' => ['signOrder' => $index + 1],
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'noticeConfig' => ['noticeTypes' => (string) ($signer['notice_types'] ?? '1')],
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'signFields' => [[
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'fileId' => $fileId,
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'normalSignFieldConfig' => [
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'freeMode' => true,
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'movableSignField' => true,
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'signFieldSize' => '159',
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],
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]],
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];
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if ($type === 0) {
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$payload['psnSignerInfo'] = [
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'psnAccount' => $signer['operator_account'],
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'psnInfo' => ['psnName' => $signer['operator_name']],
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];
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} else {
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$payload['orgSignerInfo'] = [
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'orgName' => $signer['organization_name'],
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'transactorInfo' => [
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'psnAccount' => $signer['operator_account'],
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'psnInfo' => ['psnName' => $signer['operator_name']],
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],
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];
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}
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return $payload;
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}
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/**
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* 获取签署人的签署页面链接（免登录，扫码或点开即可签署）。企业签署时带上企业名称，直接进入以该企业身份签署的页面。
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*/
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public function signUrl(string $signFlowId, string $psnAccount, ?string $orgName = null): string
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{
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$payload = [
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'needLogin' => false,
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'urlType' => 2,
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'operator' => ['psnAccount' => $psnAccount],
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'clientType' => 'ALL',
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];
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if ($orgName !== null && $orgName !== '') {
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$payload['organization'] = ['orgName' => $orgName];
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}
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$data = $this->request('POST', "/v3/sign-flow/{$signFlowId}/sign-url", $payload);
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$url = (string) ($data['shortUrl'] ?? '') ?: (string) ($data['url'] ?? '');
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if ($url === '') {
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throw new RuntimeException('E 签宝未返回签署链接。');
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}
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return $url;
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}
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/** 撤回还没签完的签署流程（签署人那边的待签任务随之失效）。 */
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public function revokeSignFlow(string $signFlowId, string $reason): void
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{
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$this->request('POST', "/v3/sign-flow/{$signFlowId}/revoke", [
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'revokeReason' => mb_substr($reason, 0, 50),
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]);
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}
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public function signFlowDetail(string $signFlowId): array
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{
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return $this->request('GET', "/v3/sign-flow/{$signFlowId}/detail");
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}
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public function downloadUrls(string $signFlowId): array
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{
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return $this->request('POST', "/v3/sign-flow/{$signFlowId}/file-download-url", [
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'urlAvailableDate' => '3600',
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]);
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}
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public function downloadUploadedPdf(string $fileId): string
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{
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$data = $this->request('GET', "/v3/files/{$fileId}");
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$downloadUrl = (string) ($data['fileDownloadUrl']
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?? $data['downloadUrl']
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?? data_get($data, 'files.0.downloadUrl', ''));
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if ($downloadUrl === '') {
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throw new RuntimeException('E 签宝未返回历史原文件下载地址。');
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}
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return $this->download($downloadUrl);
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}
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public function download(string $url): string
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{
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$response = Http::timeout($this->timeout())->get($url);
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if (! $response->successful()) {
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throw new RuntimeException('无法从 E 签宝下载签署归档文件。');
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}
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return $response->body();
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}
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private function waitUntilFileReady(string $fileId): void
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{
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for ($attempt = 0; $attempt < 8; $attempt++) {
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$data = $this->request('GET', "/v3/files/{$fileId}");
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$status = (string) ($data['fileStatus'] ?? $data['status'] ?? '');
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if (in_array($status, ['2', '5'], true)) {
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return;
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}
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if ($attempt < 7) {
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usleep(400000);
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}
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}
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throw new RuntimeException('E 签宝文件处理超时，请稍后重试。');
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}
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private function request(string $method, string $path, array $payload = []): array
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{
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$method = strtoupper($method);
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$body = $method === 'GET' ? '' : $this->encodeJson($payload);
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$request = Http::timeout($this->timeout())
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->withHeaders($this->signer->headers($method, $path, $body));
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if ($body !== '') {
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$request = $request->withBody($body, EsignRequestSigner::CONTENT_TYPE);
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}
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$response = $request->send($method, $this->baseUrl . $path);
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if (! $response->successful()) {
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throw new RuntimeException("E 签宝接口请求失败（HTTP {$response->status()}）。");
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}
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$decoded = $response->json();
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if (! is_array($decoded)) {
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throw new RuntimeException('E 签宝接口返回了无法识别的数据。');
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}
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if ((int) ($decoded['code'] ?? -1) !== 0) {
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$code = (string) ($decoded['code'] ?? 'unknown');
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$message = mb_substr((string) ($decoded['message'] ?? '未知错误'), 0, 300);
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throw new RuntimeException("E 签宝接口返回业务错误（{$code}）：{$message}");
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}
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return is_array($decoded['data'] ?? null) ? $decoded['data'] : [];
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}
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private function encodeJson(array $payload): string
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{
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try {
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return json_encode($payload, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES | JSON_THROW_ON_ERROR);
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} catch (JsonException $exception) {
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throw new RuntimeException('E 签宝请求数据无法编码。', previous: $exception);
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}
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}
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private function timeout(): int
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{
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return EsignConfiguration::fromConfig()->timeout();
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}
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}
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