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<?php
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declare(strict_types=1);
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namespace app\common\service\qywx;
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use GuzzleHttp\Client;
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use GuzzleHttp\Exception\GuzzleException;
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use RuntimeException;
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use think\facade\Cache;
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/**
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* 企业微信内部应用获客链接 API。
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*
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* @see https://developer.work.weixin.qq.com/document/path/97297
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*/
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class QywxCustomerAcquisitionApiService
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{
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private const TOKEN_INVALID_CODES = [40001, 40014, 42001];
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private string $corpId;
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private string $secret;
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private Client $client;
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/** @var null|callable():string */
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private $accessTokenResolver;
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/** @param null|callable():string $accessTokenResolver 仅用于测试或托管 token 场景。 */
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public function __construct(?Client $client = null, ?callable $accessTokenResolver = null)
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{
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$this->corpId = trim((string) config('qywx_customer_acquisition.corp_id', ''));
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$this->secret = trim((string) config('qywx_customer_acquisition.secret', ''));
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$this->client = $client ?? new Client([
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'base_uri' => rtrim((string) config('qywx_customer_acquisition.base_uri', 'https://qyapi.weixin.qq.com'), '/') . '/',
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'timeout' => max(5, (int) config('qywx_customer_acquisition.timeout', 20)),
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'connect_timeout' => 8,
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'http_errors' => false,
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'verify' => config('qywx_customer_acquisition.verify', true),
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'headers' => ['Accept' => 'application/json'],
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]);
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$this->accessTokenResolver = $accessTokenResolver;
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}
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/** @return array{configured:bool,missing:list<string>} */
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public static function configurationStatus(): array
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{
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$missing = [];
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if (trim((string) config('qywx_customer_acquisition.corp_id', '')) === '') {
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$missing[] = 'work_wechat.corp_id';
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}
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if (trim((string) config('qywx_customer_acquisition.secret', '')) === '') {
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$missing[] = 'work_wechat.customer_acquisition_secret / secret';
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}
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return ['configured' => $missing === [], 'missing' => $missing];
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}
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/** @return array{link_id_list:list<string>,next_cursor:string} */
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public function listLinks(string $cursor = '', int $limit = 100): array
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{
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$body = ['limit' => min(100, max(1, $limit))];
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if ($cursor !== '') {
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$body['cursor'] = $cursor;
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}
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$response = $this->request('POST', 'cgi-bin/externalcontact/customer_acquisition/list_link', $body);
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return [
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'link_id_list' => array_values(array_filter(array_map('strval', (array) ($response['link_id_list'] ?? [])))),
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'next_cursor' => trim((string) ($response['next_cursor'] ?? '')),
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];
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}
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/** @return array<string,mixed> */
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public function getLink(string $linkId): array
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{
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$this->assertLinkId($linkId);
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return $this->request('POST', 'cgi-bin/externalcontact/customer_acquisition/get', ['link_id' => $linkId]);
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}
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/** @return array<string,mixed> */
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public function createLink(array $payload): array
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{
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return $this->request('POST', 'cgi-bin/externalcontact/customer_acquisition/create_link', $payload);
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}
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/** @return array<string,mixed> */
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public function updateLink(array $payload): array
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{
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$this->assertLinkId((string) ($payload['link_id'] ?? ''));
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return $this->request('POST', 'cgi-bin/externalcontact/customer_acquisition/update_link', $payload);
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}
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public function deleteLink(string $linkId): void
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{
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$this->assertLinkId($linkId);
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$this->request('POST', 'cgi-bin/externalcontact/customer_acquisition/delete_link', ['link_id' => $linkId]);
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}
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/**
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* 获取指定获客链接添加的客户。单页最多 1000 条。
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*
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* @return array{customer_list:list<array<string,mixed>>,next_cursor:string}
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*/
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public function listCustomers(string $linkId, string $cursor = '', int $limit = 1000): array
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{
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$this->assertLinkId($linkId);
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$body = [
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'link_id' => $linkId,
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'limit' => min(1000, max(1, $limit)),
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];
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if ($cursor !== '') {
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$body['cursor'] = $cursor;
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}
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$response = $this->request('POST', 'cgi-bin/externalcontact/customer_acquisition/customer', $body);
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$customers = array_values(array_filter(
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(array) ($response['customer_list'] ?? []),
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static fn (mixed $row): bool => is_array($row)
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));
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return [
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'customer_list' => $customers,
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'next_cursor' => trim((string) ($response['next_cursor'] ?? '')),
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];
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}
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/** @return array<string,mixed> */
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public function getChatInfo(string $chatKey): array
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{
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$chatKey = trim($chatKey);
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if ($chatKey === '' || strlen($chatKey) > 512) {
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throw new RuntimeException('获客会话 ChatKey 不正确');
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}
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return $this->request(
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'POST',
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'cgi-bin/externalcontact/customer_acquisition/get_chat_info',
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['chat_key' => $chatKey]
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);
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}
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/** 通过只读列表接口验证 token、可信 IP、获客助手开通状态与应用权限。 */
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public function checkPermission(): array
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{
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$result = $this->listLinks('', 1);
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$hasLink = $result['link_id_list'] !== [];
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return [
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'ok' => true,
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'message' => $hasLink
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? '获客助手 API 权限验证通过，当前应用已有官方获客链接'
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: '获客助手 API 权限验证通过，但当前应用尚未通过 API 创建官方获客链接',
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'has_link' => $hasLink,
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];
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}
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/** @return array<string,mixed> */
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private function request(string $method, string $path, array $body = [], bool $retried = false): array
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{
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$this->assertConfigured();
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$cacheKey = $this->tokenCacheKey();
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$token = $this->accessToken();
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try {
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$options = ['query' => ['access_token' => $token]];
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if (strtoupper($method) === 'POST') {
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$options['json'] = $body;
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}
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$response = $this->client->request($method, ltrim($path, '/'), $options);
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} catch (GuzzleException $e) {
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throw new RuntimeException('企业微信获客助手接口连接失败，请检查服务器网络与可信 IP 配置', 0, $e);
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}
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$decoded = json_decode((string) $response->getBody(), true);
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if (!is_array($decoded)) {
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throw new RuntimeException('企业微信获客助手接口返回了无法解析的数据');
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}
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$errcode = (int) ($decoded['errcode'] ?? 0);
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if ($errcode === 0) {
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return $decoded;
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}
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if (!$retried && in_array($errcode, self::TOKEN_INVALID_CODES, true)) {
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Cache::delete($cacheKey);
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return $this->request($method, $path, $body, true);
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}
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throw new RuntimeException(sprintf(
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'企业微信获客助手接口失败[%d]：%s',
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$errcode,
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trim((string) ($decoded['errmsg'] ?? '未知错误')) ?: '未知错误'
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));
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}
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private function accessToken(): string
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{
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if ($this->accessTokenResolver !== null) {
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$token = trim((string) call_user_func($this->accessTokenResolver));
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if ($token === '') {
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throw new RuntimeException('托管 access_token 为空');
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}
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return $token;
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}
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$cacheKey = $this->tokenCacheKey();
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$cached = trim((string) Cache::get($cacheKey, ''));
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if ($cached !== '') {
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return $cached;
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}
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try {
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$response = $this->client->request('GET', 'cgi-bin/gettoken', [
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'query' => ['corpid' => $this->corpId, 'corpsecret' => $this->secret],
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]);
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} catch (GuzzleException $e) {
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throw new RuntimeException('获取企业微信 access_token 失败，请检查服务器网络', 0, $e);
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}
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$decoded = json_decode((string) $response->getBody(), true);
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if (!is_array($decoded) || (int) ($decoded['errcode'] ?? 0) !== 0 || empty($decoded['access_token'])) {
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throw new RuntimeException(sprintf(
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'获取企业微信 access_token 失败[%d]：%s',
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(int) ($decoded['errcode'] ?? -1),
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trim((string) ($decoded['errmsg'] ?? '未知错误')) ?: '未知错误'
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));
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}
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$token = (string) $decoded['access_token'];
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Cache::set($cacheKey, $token, max(60, (int) ($decoded['expires_in'] ?? 7200) - 300));
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return $token;
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}
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private function tokenCacheKey(): string
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{
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return 'qywx_customer_acquisition_token:' . hash('sha256', $this->corpId . '|' . $this->secret);
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}
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private function assertConfigured(): void
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{
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$status = self::configurationStatus();
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if (!$status['configured']) {
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throw new RuntimeException('获客助手应用配置不完整：缺少 ' . implode('、', $status['missing']));
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}
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}
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private function assertLinkId(string $linkId): void
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{
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if ($linkId === '' || strlen($linkId) > 128) {
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throw new RuntimeException('获客链接 ID 不正确');
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}
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}
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}
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