阿里云一句话识别

src/asr/provider/aliyun/base.ts

@@ -0,0 +1,42 @@
+import RPCClient from '@alicloud/pop-core';
+
+interface TokenResponse {
+  Token: {
+    Id: string;
+    ExpireTime: number;
+  };
+}
+type AliCommonOptions = {
+  accessKeyId: string;
+  accessKeySecret: string;
+};
+export class AliCommon {
+  private accessKeyId: string;
+  private accessKeySecret: string;
+  private endpoint: string;
+  private apiVersion: string;
+  token = '';
+  expireTime = 0;
+  constructor(opts?: AliCommonOptions) {
+    this.accessKeyId = opts?.accessKeyId || process.env.ALIYUN_AK_ID || '';
+    this.accessKeySecret = opts?.accessKeySecret || process.env.ALIYUN_AK_SECRET || '';
+    this.endpoint = 'http://nls-meta.cn-shanghai.aliyuncs.com';
+    this.apiVersion = '2019-02-28';
+  }
+  async getToken() {
+    if (this.token && this.expireTime > Date.now()) {
+      return this.token;
+    }
+    const client = new RPCClient({
+      accessKeyId: this.accessKeyId,
+      accessKeySecret: this.accessKeySecret,
+      endpoint: this.endpoint,
+      apiVersion: this.apiVersion,
+    });
+
+    const result = await client.request<TokenResponse>('CreateToken', {});
+    this.token = result.Token.Id;
+    this.expireTime = result.Token.ExpireTime * 1000;
+    return result.Token.Id;
+  }
+}