support attachments s3

server/api/helpers/attachments/get-simple-storage-service-client.js

@@ -0,0 +1,45 @@
+const AWS = require('aws-sdk');
+
+class S3Client {
+  constructor(options) {
+    AWS.config.update({
+      accessKeyId: options.accessKeyId,
+      secretAccessKey: options.secretAccessKey,
+      region: options.region,
+    });
+    this.bucket = options.bucket;
+    this.client = new AWS.S3({
+      endpoint: options.endpoint,
+    });
+  }
+
+  upload({ Key, Body, ContentType }) {
+    return this.client
+      .upload({
+        Bucket: this.bucket,
+        Key,
+        Body,
+        ContentType,
+        ACL: 'public-read',
+      })
+      .promise();
+  }
+
+  delete({ Key }) {
+    return this.client
+      .deleteObject({
+        Bucket: this.bucket,
+        Key,
+      })
+      .promise();
+  }
+}
+
+module.exports = {
+  fn() {
+    if (sails.config.custom.attachmentsS3) {
+      return new S3Client(sails.config.custom.attachmentsS3);
+    }
+    return null;
+  },
+};