ots-share-app

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A self-hosting app to share secrets only one-time.

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# ![favicon-3](https://user-images.githubusercontent.com/10336353/220982413-cfae31b0-cb1e-4dde-a031-42bac3696985.png) OTS-Share (One-Time Secret Share)

A self-hosting app to share secrets only one-time.

### Content

- [ **Features** ](#features)
- [ **How to run** ](#how-to-run)
  - [ **With the default database**](#with-the-default-database)
  - [ **Without the default database**](#without-the-default-database)
  - [ **Access UI**](#access-ui)
- [ **Request and response** ](#request-and-response)
  - [ **Request** ](#request)
  - [ **Response** ](#response)
- [ **How to use** ](#how-to-use)
  - [ **For text** ](#for-text)
  - [ **For files** ](#for-files)
  - [ **View secret content in the shared link** ](#view-secret-content-in-the-shared-link)
  - [ **Errors** ](#errors)
- [ **CLI usage**](#cli-usage)
- [ **Change configurations** ](#change-configurations)
  - [ **Change database server** ](#change-database-server)
  - [ **Change the default server port** ](#change-the-default-server-port)
  - [ **Change the purge process interval** ](#change-the-purge-process-interval)
- [ **Tech stack** ](#tech-stack)
- [ **Using with deploy tools**](#using-with-deploy-tools)
  - [ **With https://www.portainer.io/**](#with-httpswwwportainerio)
- [ **Format of the generated URL** ](#format-of-the-generated-url)
- [ **Road map**](#road-map)
- [ **Todo** ](#todo)

## Features

- Support both **texts** and **small files (maximum `1MB`)**.
- Creates shareable links which valid for a maximum of **24 hours**.
- The contents are encrypted with `AES` in `CBC` mode, with a `256-bit` key.
  (Using [Crypto-js](https://cryptojs.gitbook.io/docs/#the-cipher-algorithms))
- Passwords are **NOT** sent to the backend server.
- The app periodically deletes encrypted content after it expires, and the encrypted content gets deleted once the web UI fetches it.
- CLI support.
- Multiple database connectivity support.
  - `Mongo`
  - `Postgres`
  - `MySQL`

## How to run

### With the default database

This application is entirely run in Docker and comes with `Mongo 4.2` image. (view the `docker-compose.yml` for further reference.)

To execute this app, simply run following command.

```bash

make start

```

### Without the default database

This application can connect to a external database.
(Currently support **`Postgres`** and **`Mysql`**).

To execute this app, simply run following command.

```bash
# Set the connection string to your database.
export DB_URL=mysql://root:root@host.docker.internal:3306/ots_share

make start-no-db
```

**OR**

Change the modify the `DB_URL` variable under `ots-share-run-no-db` service in `docker-compose.yml`,
and then run

```bash
make start-no-db
```

### Access UI

After that, the application is accessible via [http://localhost:8282](http://localhost:8282)

## Request and Response

### Request

### Create record request body

A sample request body is as follows.

```json
{
  "content": "U2FsdGVkX1+XUedzb2748LeKmf9UpN9hVWjBDUwJfXs=",
  "expireIn": {
    "value": 10,
    "unit": "minutes"
  }
}
```

| Property           | type                         | is required | purpose                                 |
| ------------------ | ---------------------------- | ----------- | --------------------------------------- |
| `content`          | `string`                     | yes         | Encrypted content                       |
| `expireIn`         | `object`                     | yes         | Expiration configurations               |
| `expireIn`.`value` | `number`                     | yes         | numerical value of expiration. E,g 1, 2 |
| `expireIn`.`unit`  | `enum` (`'days'`, `'hours'`) | yes         | Unit of expiration.                     |

- ### Sample `Create` request.

```sh
curl 'http://localhost:8282/api/record' -H 'Content-Type: application/json' \
 --data-raw \
 '{
    "content" : "U2FsdGVkX1+bozD8VjexiUeHJ3BfdxrXCmRyai8V0hY=",
    "expireIn": {
      "value": 1,
      "unit": "minutes"
    }
  }'
--compressed

```

- ### Sample `GET` request.

```sh
curl 'http://localhost:8282/api/record/b2nC422huavXfMs2DWZ2Z9' -H 'Content-Type: application/json'
```

### Response

A sample record body is as follows.

```json
{
  "id": "iN2jS3y1pstio7JVXs1zLF",
  "slug": "iN2jS3y1pstio7JVXs1zLF",
  "content": "U2FsdGVkX1+XUedzb2748LeKmf9UpN9hVWjBDUwJfXs=",
  "expiary": "2023-02-12T14:55:41.510Z",
  "status": "avaiable",
  "created_at": "2023-02-12T14:45:41.521Z"
}
```

| Property     | type                                  | is required | purpose                                    |
| ------------ | ------------------------------------- | ----------- | ------------------------------------------ |
| `id`         | `string`                              | yes         | Primary key of the record                  |
| `slug`       | `string`                              | yes         | For future use (Primary key of the record) |
| `content`    | `string`                              | yes         | Encrypted content                          |
| `expiary`    | `string` (`Date`)                     | yes         | Expiration date and time                   |
| `status`     | `enum` (`'avaiable'`, `'unavaiable'`) | yes         | For future use.                            |
| `created_at` | `string` (`Date`)                     | yes         | Record created date                        |

## How to use

# (Please don't lose the generated URL. There is no way to retrieve the content or regenerate the URL !!!)

### For text

1. Visit the landing page and select `Text` from top menu.
2. Add your secret content to the `Secret content` text box.

![text-1](https://user-images.githubusercontent.com/10336353/220972813-7507371c-8db1-442f-86e5-31d2b574ff10.png)

3. Click the `Create` Button.
4. Copy the `URL` in the text box. (Click the `Copy Icon`).
   ![Screenshot (2)](https://user-images.githubusercontent.com/10336353/218278298-2ded1d50-82e0-4cbf-978f-79f9d637876f.png)

- (Please don't lose the generated URL. There is no way to retrieve the content or regenerate the URL !!!)

5. Send the copied URL to the other party via a secure channel.

### For files

1. Visit the landing page and select `File` from top menu.
2. Click on the `"Drag 'n' drop"` area or drag and drop a file.

- (Pleas refer to screen regarding the file size limits).

![file-1](https://user-images.githubusercontent.com/10336353/220973983-0c6a84d3-2fb6-4289-960d-1eb080c461e5.png)

3. Upload a file.
   ![file-2](https://user-images.githubusercontent.com/10336353/220975812-ce433113-1faf-4bc0-be60-6e23bc944c11.png)

4. Click the `Create` Button.
5. Copy the `URL` in the text box. (Click the `Copy Icon`).
   ![file-3](https://user-images.githubusercontent.com/10336353/220976372-e99047e8-4c94-4735-b006-5fb487fd8c63.png)

- (Please don't lose the generated URL. There is no way to retrieve the content or regenerate the URL !!!)

5. Send the copied URL to the other party via a secure channel.

### View secret content in the shared link.

1. Visit the shared link using a browser.
2. You will see the following screen.
   ![Screenshot (3)](https://user-images.githubusercontent.com/10336353/218278430-8dfc4b41-1f75-4a67-a3e0-a2966b3d57fa.png)
3. Click `Fetch Content`.

#### For text

4. You'll see the following screen.
   ![Screenshot (4)](https://user-images.githubusercontent.com/10336353/218278478-15c40978-116b-4f73-868b-8deaf4eb1b86.png)

5. Click the `"Click there to view the content"`.

6. You will see the content as follows.
   ![Screenshot (5)](https://user-images.githubusercontent.com/10336353/218278542-0979fda7-afa0-4425-99c2-a283bcc3e3d1.png)

#### For files

4. You'll see the following screen.
   ![file-4](https://user-images.githubusercontent.com/10336353/220977354-e8a2fbdd-5422-4c85-9962-e50d54f27615.png)

5. Click the `"Click here to download the file"` button to download the file.

### Errors.

In case of an error, the following screen will appear.![Screenshot (6)](https://user-images.githubusercontent.com/10336353/218278571-9af87297-0e2c-44dd-b172-c5ddbe28a7f3.png)

## CLI usage

- Support only for `texts`.
- You can use the `CLI` to utilize `APIs`.

- Encryption using CLI
<details>
  <summary>Sample CLI to use encryption</summary>

```sh
#!/bin/bash

# Configs
PASSWORD="pass-key"
OTS_SHARE_DOMIN="http://host.docker.internal:8282"

OTS_SHARE_API="$OTS_SHARE_DOMIN/api/record"

OPENSSL_PARAMETERS_PASSWORD="-pass pass:$PASSWORD"
OPENSSL_PARAMETERS_ALGORITHM="-base64 -aes-256-cbc -pbkdf2"

text_to_encrypt="test string to encrypt"

################
## Encryption ##
################

# Record expiration value. A numerical value
RECORD_EXPIRATION_VALUE=10
# Record expiration unit. It can be "minutes" or "hours"
RECORD_EXPIRATION_UNIT="minutes"

# 1. Generate encrypted string
encrypted_content=$(echo $text_to_encrypt | openssl enc -e $OPENSSL_PARAMETERS_ALGORITHM $OPENSSL_PARAMETERS_PASSWORD)

# 2. Make API call OTS-Share and retrieve the Id
# We need this id for encryption
record_id=$(\
curl -s "$OTS_SHARE_API" \
-H 'Content-Type: application/json' \
--data-raw \
'{ "content" : "'$encrypted_content'", "expireIn": { "value": '$RECORD_EXPIRATION_VALUE', "unit": "'$RECORD_EXPIRATION_UNIT'" }}' \
--compressed \
| jq '.id' \
| tr -d '"' \
)
#### Encryption results
echo "!!! Keep these safe !!!"
echo "-----------------------------------"
echo "Record id: $record_id"
echo "Password: $PASSWORD"
echo "-----------------------------------"
echo "(This record will expires in: $RECORD_EXPIRATION_VALUE $RECORD_EXPIRATION_UNIT)"
```

</details>

<details>
  <summary>Output encryption</summary>

```sh
!!! Keep these safe !!!
-----------------------------------
Record id: b2nC422huavXfMs2DWZ2Z9
Password: pass-key
-----------------------------------
(This record will expires in: 10 minutes)
```

</details>

- Decryption using CLI

<details>
  <summary>Sample CLI to use Decryption</summary>

```sh
#!/bin/bash

# Configs
PASSWORD="pass-key"
OTS_SHARE_DOMIN="http://host.docker.internal:8282"

OTS_SHARE_API="$OTS_SHARE_DOMIN/api/record"

OPENSSL_PARAMETERS_PASSWORD="-pass pass:$PASSWORD"
OPENSSL_PARAMETERS_ALGORITHM="-base64 -aes-256-cbc -pbkdf2"

$record_id="b2nC422huavXfMs2DWZ2Z9" # ID from previous encryption operation

################
## DECRYPTION ##
################

# 1. Fetch content
content=$(\
curl "$OTS_SHARE_API/$record_id" \
-s -H 'Content-Type: application/json' \
--compressed \
| jq '.content' \
| tr -d '"' \
)

# 2. Decrypt
decrypted_content=$(echo $content | openssl enc -d $OPENSSL_PARAMETERS_ALGORITHM $OPENSSL_PARAMETERS_PASSWORD)

echo "-----------------------------------"
echo "Content: $decrypted_content"
echo "-----------------------------------"
```

</details>

<details>
  <summary>Output decryption</summary>

```sh
-----------------------------------
Content: test string to encrypt
-----------------------------------
```

</details>

###

## Change configurations

### All the configurations are mentioned in the `docker-compose.yml` under or `ots-share-run-no-db` service.

- Change default port to access the application are available in `docker-compose.yml` under `ots-share-run` or `ots-share-run-no-db` service.
- You can modify the `mongo-local` service in `docker-compose.yml` to keep the data persistent.

#### Change database server.

- Please change the `DEV_PORT` variable the `docker-compose.yml` under `ots-share-run` or `ots-share-run-no-db` service.

- Please change the `DEV_PORT` variable the `docker-compose.yml` under `ots-share-run-no-db` service to connect to external database.

- `DB_URL` must be a connection string.
  - The app parse the `DB_URL` as an `URL` and use the `protocol` to identify the `database` driver.
  - sample connection strings:
    - `mongodb://mongo-local/ots-share` - for `Mongo`
    - `postgres://db:db@host.docker.internal:5432/ots_share` - for `Postgres`
    - `mysql://root:root@host.docker.internal:3306/ots_share` - for `MySQL`

#### Change the default server port.

- Please change `SERVER_PORT` variable in the in `docker-compose.yml` under `ots-share-run` or `ots-share-run-no-db` service.

#### Change the purge process interval.

- Default value is 1 minute.
- Please set `PURGE_TRIGGER_INTERVAL` variable in the in `docker-compose.yml` under `ots-share-run` or `ots-share-run-no-db` service.
- The `PURGE_TRIGGER_INTERVAL` value must be in `milliseconds`.

## Tech stack

- **UI:**

- React
  - Material UI

- **Server:**

- Typescript
  - Node
  - Express

- **DB support:**
  - `MongoDB` - (`default DB`)
  - `Postgres`
  - `MySQL`

## Using with deploy tools

### With **https://www.portainer.io/**

- Step 1 & 2.
  ![step1](https://user-images.githubusercontent.com/10336353/220198712-7d379d69-3fdb-430a-93f6-c02c0d6b4ae9.png)

- Step 3.
  ![step 2](https://user-images.githubusercontent.com/10336353/220198843-8be34f58-f7dd-465d-b59a-7e9b4764ffc0.png)

- Press **Deploy the stack** to deploy.

## Format of the generated URL

The URL format, which required sending to the other party, is as follows. The `id` received from the backend API gets concatenated with the password. After that, the contaminated string gets encoded into `Base 58`.

The format is as follows.

- `<hosted-domain>/r/Base58Encoded(id-from-api : password : type : file-name)`
- Possible values for `type` is `'text'` or `'file'`.
- `type` and `file-name` is optional.
- `type` is default to `text` if not mentioned.
- `file-name` is available for file.
- It supports `Base 64` encoding.

## Road map

- A Chrome extension
- A Slack app

## Todo

- Add `Contribution` instructions.
- Learn more ReactJs. :smile:
- Fix any bugs. :smile:

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