signature

app/controller/common/oss.js

+'use strict';
+
+const Controller = require('egg').Controller;
+class CommonController extends Controller {
+  async signature() {
+    const { service, ctx } = this;
+    const ret = await service.common.oss.get_business_signature();
+    ctx.success(ret);
+  }
+}
+module.exports = CommonController;

app/router.js

@@ -11,4 +11,6 @@ module.exports = app => {
   require('./router/gjj')(app);
 
   require('./router/official')(app);// 官网招聘和投资者关系
+
+  require('./router/common')(app);// 存储公共的东西，比如 cdn , oss, 白名单等等
 };

app/router/common.js

+'use strict';
+
+module.exports = app => {
+  const router = app.router.namespace(app.config.projectRootPath + '/common');
+  router.get('third_oss_signature', '/oss/signature', 'common.oss.signature');// 业务的 oss 签名
+  
+};

app/service/common/oss.js

+'use strict';
+const Service = require('egg').Service;
+
+class CommonService extends Service {
+  // 获取51shequ的oss签名
+  async get_business_signature() {
+    const { ctx } = this;
+
+    const region='oss-cn-hangzhou';
+    const bucket='51shequ';
+
+    const id= 'LTAIbdayv82O7OYM';
+    const key= 'plCSzfiZCpMoh39omrzdaHHEltv4Un';
+    const host = '//' + bucket + '.' + region + '.aliyuncs.com';
+    const url="//r.51gjj.com/";
+    let now = Math.round(new Date().getTime()/1000).toString();
+    const expire = 120;
+    let end = now + expire;
+
+    let expiration = new Date().toISOString().replace(/\..+/,'') + 'Z';
+
+    let dir = 'webpublic/resume/';
+
+    //最大文件大小.用户可以自己设置
+    let condition = new Array(3);
+    condition[0] = 'content-length-range';
+    condition[1] = 0;
+    condition[2] = 1048576000;
+
+    let start = new Array('starts-with', '$key', dir);
+
+    let conditions = new Array(condition, start);   
+
+   
+    let policy = {expiration: expiration, conditions: conditions};
+    
+
+    let base64_policy = new Buffer(JSON.stringify(policy)).toString('base64');
+ 
+    let string_to_sign = base64_policy;
+    const crypto = require('crypto');
+    let signature = crypto.createHash('sha1').update(string_to_sign).digest().toString('base64');;
+    let config = {
+      region,
+      accessKeyId: id,
+      accessKeySecret: key,
+      bucket: bucket,
+
+    }
+    let response = {
+      accessid: id,
+      static_host: url + dir,
+      host: host,
+      policy: base64_policy,
+      signature: signature,
+      expire: end,
+      config: config,
+      dir
+    };
+
+    return response;
+
+  }
+
+
+}
+
+module.exports = CommonService;