TEST PROJECT

Test project for RebellionPay team.

Index

Getting Started
Security - Auth used on login (Bearer token)
Database - Simulated DB storage
Logging - Log detailed processes
Services
- Cloudinary
  - Statistics - Get service data statistics
  - Exporting - Export service data

Getting Started

Requested

We would like to start to use Cloudinary to save some public photos, but we are afraid about the use some people could do of this plaform.

We need a Microservice with 2 calls made with Node.js.

This applicaton is going to run into a cluster so it could be good dockerize the application.

Setup

Requirements:

node
npm
docker

RUN: bash run.sh inside root project

Security

As requested, we want to secure the usage of this platform. We will need Authorization header with token provided by:

`/auth`

For managging login permissions we use scopes. In the example one (GLOBAL_USAGE) gives permission for all paths.

Headers:

Content-Type: application/json
Content-Length: <calculate>

Body:

{
   "nickname": "nullx",
   "password": "patata123",
   "scope": "GLOBAL_USAGE"
}

Response

field	value(s)
code	number (0 or 1)
msg	String
data	Object
data.token	String

Example response:

{
   "code": 1,
   "msg": "Login successful",
   "data": {
      "token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6MCwiZnVsbE5hbWUiOiJKb24gTGFyYSBUcmlnbyIsIm5pY2tuYW1lIjoibnVsbHgiLCJwYXNzd29yZCI6IjU2NzM0NzIwYTg0Njg2MGE4YjdjMjgwYzQwN2M1ZjBkMWVkYTJlZTkyZDRhNjhhMWQ4YTAyNzkxNGJkMDhlMjEiLCJpYXQiOjE1OTYzNzYxNjcsImV4cCI6MTU5NjQ2MjU2N30.PXpDZxedS5zfNbxtuBYaDA88topkQUbH5zAxd8NHAQ8"
   }
}

We will need to provide the data.token inside Authorization header. Example: Autorization: Bearer <data.token>

Token expiration is configured in 24h

Implementation

Database

As on the server given I couldn't setup any db motor, I simulated it by a json file.

Implementation

Logging

Logging is a very important part of develop work.

I wanted to store log locally and in the DB, that would be the best for error tracking purposes.

Also I wanted to distinguish between activity and error.

To report an activity or an error we can provide:

code: activity or error code identifier.
msg: description of activity or error.
user: user id where the activity or error has appeared.

Implementation 0 => Log

Implementation 1 => ActionsLog

Services

This is a platform that could host multiple services.

Cloudinary

getResources(): get resources from cloudinary.

Statistics

Path: /cloudinary/statistics

Params:

limitResources - Cloudinary resources options
options (options available: ['format', 'size', 'avgSze'])

Output example:

{
    "code": 1,
    "msg": "Successfull",
    "data": {
        "totalImages": 50,
        "biggestPicture": "https://res.cloudinary.com/dbnuvqzms/image/upload/v1580932142/wallpaper_batman_arkham_asylum_04_2560x1600_bj8ejf.jpg",
        "smallestPicture": "https://res.cloudinary.com/dbnuvqzms/image/upload/v1580932149/thumb-96614_bpxlpa.jpg",
        "avgSze": 412114.4,
        "formats": {
            "jpg": 50
        }
    }
}

Exporting

Path: /cloudinary/EXPORT_METHOD

where EXPORT_METHOD: ['csv', ...]

Export types:

CSV:

Response example:

 public_id,folder,filename,format,version,resource_type,type,created_at,uploaded_at,bytes,backup_bytes,width,height,aspect_ratio,pixels,url,secure_url,status,access_mode,access_control,etag,created_by,uploaded_by
 yellow_maple_leaf-1366x768_aoit8p,,yellow_maple_leaf-1366x768_aoit8p,jpg,1580932133,image,upload,2020-02-05T19:48:53+00:00,2020-02-05T19:48:53+00:00,284542,0,1366,768,1.77865,1049088,http://res.cloudinary.com/dbnuvqzms/image/upload/v1580932133/yellow_maple_leaf-1366x768_aoit8p.jpg,https://res.cloudinary.com/dbnuvqzms/image/upload/v1580932133/yellow_maple_leaf-1366x768_aoit8p.jpg,active,public,,e2ba97ddebd037832f57e6956bbb0e1f,469833719843844,469833719843844
 wwe_randy_orton-1680x1050_d1wbxy,,wwe_randy_orton-1680x1050_d1wbxy,jpg,1580932156,image,upload,2020-02-05T19:49:16+00:00,2020-02-05T19:49:16+00:00,823128,0,1680,1050,1.6,1764000,http://res.cloudinary.com/dbnuvqzms/image/upload/v1580932156/wwe_randy_orton-1680x1050_d1wbxy.jpg,https://res.cloudinary.com/dbnuvqzms/image/upload/v1580932156/wwe_randy_orton-1680x1050_d1wbxy.jpg,active,public,,a42fe829f735d125c8c32f668bb9d3b2,469833719843844,469833719843844
 woman_warrior_wallpaper_1366x768_pxdbxb,,woman_warrior_wallpaper_1366x768_pxdbxb,jpg,1580932140,image,upload,2020-02-05T19:49:00+00:00,2020-02-05T19:49:00+00:00,326173,0,1366,768,1.77865,1049088,http://res.cloudinary.com/dbnuvqzms/image/upload/v1580932140/woman_warrior_wallpaper_1366x768_pxdbxb.jpg,https://res.cloudinary.com/dbnuvqzms/image/upload/v1580932140/woman_warrior_wallpaper_1366x768_pxdbxb.jpg,active,public,,e5a71aeea6ebdc9b9006324d305bf82d,469833719843844,469833719843844
 wire-1366x768_dn7ngq,,wire-1366x768_dn7ngq,jpg,1580932134,image,upload,2020-02-05T19:48:54+00:00,2020-02-05T19:48:54+00:00,161009,0,1366,768,1.77865,1049088,http://res.cloudinary.com/dbnuvqzms/image/upload/v1580932134/wire-1366x768_dn7ngq.jpg,https://res.cloudinary.com/dbnuvqzms/image/upload/v1580932134/wire-1366x768_dn7ngq.jpg,active,public,,0eeb6195b754f0489ed48070e831759b,469833719843844,469833719843844
 wine_and_grapes-1366x768_a7wao9,,wine_and_grapes-1366x768_a7wao9,jpg,1580932138,image,upload,2020-02-05T19:48:58+00:00,2020-02-05T19:48:58+00:00,278102,0,1366,768,1.77865,1049088,http://res.cloudinary.com/dbnuvqzms/image/upload/v1580932138/wine_and_grapes-1366x768_a7wao9.jpg,https://res.cloudinary.com/dbnuvqzms/image/upload/v1580932138/wine_and_grapes-1366x768_a7wao9.jpg,active,public,,a3a1cc4b2fb55be3366907c3fa5a20d7,469833719843844,469833719843844

nullxx/testProject