Beaver
A Real Time Messaging Server.
Beaver is a real-time messaging server. With beaver you can easily build scalable in-app notifications, realtime graphs, multiplayer games, chat applications, geotracking and more in web applications and mobile apps.
Documentation
Config & Run The Application
Beaver uses Go Modules to manage dependencies. First Create a dist config file.
$ cp config.yml config.dist.yml
Then add your app.*, log.*, redis_*, api.* ...etc.
app:
mode: dev
port: 8080
domain: example.com
secret: sWUhHRcs4Aqa0MEnYwbuQln3EW8CZ0oD
tls:
status: off
pemPath: cert/server.pem
keyPath: cert/server.key
log:
level: info
path: var/logs
redis:
addr: localhost:6379
password:
db: 0
api:
token: sWUhHRcs4Aqa0MEnYwbuQln3EW8CZ0oD
And then run the application.
$ go build beaver.go
$ ./beaver
// OR
$ go run beaver.go
// To Provide a custom config file
$ ./beaver -config=/custom/path/config.dist.yml
$ go run beaver.go -config=/custom/path/config.dist.yml
Or download a pre-built Beaver binary for your operating system.
$ curl -sL https://github.com/Clivern/Beaver/releases/download/x.x.x/beaver_x.x.x_OS.tar.gz | tar xz
$ ./beaver -config=config.dist.yml
Also running beaver with docker still an option.
$ mkdir -p $HOME/srv/beaver
$ mkdir -p $HOME/srv/beaver/configs
$ mkdir -p $HOME/srv/beaver/logs
$ cd $HOME/srv/beaver
$ curl -OL https://raw.githubusercontent.com/Clivern/Beaver/master/Dockerfile
$ curl -OL https://raw.githubusercontent.com/Clivern/Beaver/master/docker-compose.yml
$ curl -OL https://raw.githubusercontent.com/Clivern/Beaver/master/config.yml
$ cp config.yml ./configs/config.dist.yml
$ rm config.yml
# Update log.path to be the absolute path to config file on host machine ($HOME/srv/beaver/logs)
$ sed -i "s|var/logs|${HOME}/srv/beaver/logs|g" ./configs/config.dist.yml
$ sed -i "s|localhost:6379|redis:6379|g" ./configs/config.dist.yml
# Build and run containers
$ cd $HOME/srv/beaver/
$ docker-compose build
$ docker-compose up -d
API Endpoints
Create a Config app_name:
$ curl -X POST \
-H "Content-Type: application/json" \
-H "X-AUTH-TOKEN: sWUhHRcs4Aqa0MEnYwbuQln3EW8CZ0oD" \
-d '{"key":"app_name","value":"Beaver"}' \
"http://localhost:8080/api/config"
Get a Config app_name:
$ curl -X GET \
-H "Content-Type: application/json" \
-H "X-AUTH-TOKEN: sWUhHRcs4Aqa0MEnYwbuQln3EW8CZ0oD" \
"http://localhost:8080/api/config/app_name"
{"key":"app_name","value":"Beaver"}
Update a Config app_name:
$ curl -X PUT \
-H "Content-Type: application/json" \
-H "X-AUTH-TOKEN: sWUhHRcs4Aqa0MEnYwbuQln3EW8CZ0oD" \
-d '{"value":"Beaver"}' \
"http://localhost:8080/api/config/app_name"
Delete a Config app_name:
$ curl -X DELETE \
-H "Content-Type: application/json" \
-H "X-AUTH-TOKEN: sWUhHRcs4Aqa0MEnYwbuQln3EW8CZ0oD" \
"http://localhost:8080/api/config/app_name"
Create a Channel:
# Private Channel
$ curl -X POST \
-H 'Content-Type: application/json' \
-H 'X-AUTH-TOKEN: sWUhHRcs4Aqa0MEnYwbuQln3EW8CZ0oD' \
-d '{"name": "app_x_chatroom_1", "type": "private"}' \
'http://localhost:8080/api/channel'
# Public Channel
$ curl -X POST \
-H 'Content-Type: application/json' \
-H 'X-AUTH-TOKEN: sWUhHRcs4Aqa0MEnYwbuQln3EW8CZ0oD' \
-d '{"name": "app_y_chatroom_1", "type": "public"}' \
'http://localhost:8080/api/channel'
# Presence Channel
$ curl -X POST \
-H 'Content-Type: application/json' \
-H 'X-AUTH-TOKEN: sWUhHRcs4Aqa0MEnYwbuQln3EW8CZ0oD' \
-d '{"name": "app_z_chatroom_5", "type": "presence"}' \
'http://localhost:8080/api/channel'
Get a Channel:
$ curl -X GET \
-H 'Content-Type: application/json' \
-H 'X-AUTH-TOKEN: sWUhHRcs4Aqa0MEnYwbuQln3EW8CZ0oD' \
-d '' \
'http://localhost:8080/api/channel/app_x_chatroom_1'
{
"created_at":1545573214,
"listeners_count":0,
"name":"app_x_chatroom_1",
"subscribers_count":0,
"type":"private",
"updated_at":1545573214
}
$ curl -X GET \
-H 'Content-Type: application/json' \
-H 'X-AUTH-TOKEN: sWUhHRcs4Aqa0MEnYwbuQln3EW8CZ0oD' \
-d '' \
'http://localhost:8080/api/channel/app_y_chatroom_1'
{
"created_at":1545573219,
"listeners_count":0,
"name":"app_y_chatroom_1",
"subscribers_count":0,
"type":"public",
"updated_at":1545573219
}
$ curl -X GET \
-H 'Content-Type: application/json' \
-H 'X-AUTH-TOKEN: sWUhHRcs4Aqa0MEnYwbuQln3EW8CZ0oD' \
-d '' \
'http://localhost:8080/api/channel/app_z_chatroom_5'
{
"created_at": 1545573225,
"listeners": null,
"listeners_count": 0,
"name": "app_z_chatroom_5",
"subscribers": null,
"subscribers_count": 0,
"type": "presence",
"updated_at": 1545573225
}
Update a Channel app_y_chatroom_1:
$ curl -X PUT \
-H 'Content-Type: application/json' \
-H 'X-AUTH-TOKEN: sWUhHRcs4Aqa0MEnYwbuQln3EW8CZ0oD' \
-d '{"type": "private"}' \
'http://localhost:8080/api/channel/app_y_chatroom_1'
Delete a Channel app_y_chatroom_1:
$ curl -X DELETE \
-H 'Content-Type: application/json' \
-H 'X-AUTH-TOKEN: sWUhHRcs4Aqa0MEnYwbuQln3EW8CZ0oD' \
-d '' \
'http://localhost:8080/api/channel/app_y_chatroom_1'
Create a Client and add to app_x_chatroom_1 Channel:
$ curl -X POST \
-H 'Content-Type: application/json' \
-H 'X-AUTH-TOKEN: sWUhHRcs4Aqa0MEnYwbuQln3EW8CZ0oD' \
-d '{"channels": ["app_x_chatroom_1"]}' \
'http://localhost:8080/api/client'
{
"channels": [
"app_x_chatroom_1"
],
"created_at": 1545575142,
"id": "69775af3-5f68-4725-8162-09cab63e8427",
"token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJkYXRhIjoiNjk3NzVhZjMtNWY2OC00NzI1LTgxNjItMDljYWI2M2U4NDI3QDE1NDU1NzUxNDIiLCJ0aW1lc3RhbXAiOjE1NDU1NzUxNDJ9.EqL-nWwu5p7hJXWrKdZN3Ds2cxWVjNYmeP1mbl562nU",
"updated_at": 1545575142
}
Get a Client 69775af3-5f68-4725-8162-09cab63e8427:
$ curl -X GET \
-H 'Content-Type: application/json' \
-H 'X-AUTH-TOKEN: sWUhHRcs4Aqa0MEnYwbuQln3EW8CZ0oD' \
-d '' \
'http://localhost:8080/api/client/69775af3-5f68-4725-8162-09cab63e8427'
{
"channels": [
"app_x_chatroom_1"
],
"created_at": 1545575142,
"id": "69775af3-5f68-4725-8162-09cab63e8427",
"token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJkYXRhIjoiNjk3NzVhZjMtNWY2OC00NzI1LTgxNjItMDljYWI2M2U4NDI3QDE1NDU1NzUxNDIiLCJ0aW1lc3RhbXAiOjE1NDU1NzUxNDJ9.EqL-nWwu5p7hJXWrKdZN3Ds2cxWVjNYmeP1mbl562nU",
"updated_at": 1545575142
}
Subscribe a Client 69775af3-5f68-4725-8162-09cab63e8427 to a Channel app_z_chatroom_5:
$ curl -X PUT \
-H 'Content-Type: application/json' \
-H 'X-AUTH-TOKEN: sWUhHRcs4Aqa0MEnYwbuQln3EW8CZ0oD' \
-d '{"channels": ["app_z_chatroom_5"]}' \
'http://localhost:8080/api/client/69775af3-5f68-4725-8162-09cab63e8427/subscribe'
Unsubscribe a Client 69775af3-5f68-4725-8162-09cab63e8427 from a Channel app_z_chatroom_5:
$ curl -X PUT \
-H 'Content-Type: application/json' \
-H 'X-AUTH-TOKEN: sWUhHRcs4Aqa0MEnYwbuQln3EW8CZ0oD' \
-d '{"channels": ["app_z_chatroom_5"]}' \
'http://localhost:8080/api/client/69775af3-5f68-4725-8162-09cab63e8427/unsubscribe'
Delete a Client:
$ curl -X DELETE \
-H 'Content-Type: application/json' \
-H 'X-AUTH-TOKEN: sWUhHRcs4Aqa0MEnYwbuQln3EW8CZ0oD' \
-d '' \
'http://localhost:8080/api/client/69775af3-5f68-4725-8162-09cab63e8427'
Publish to a Channel app_x_chatroom_1:
$ curl -X POST \
-H 'Content-Type: application/json' \
-H 'X-AUTH-TOKEN: sWUhHRcs4Aqa0MEnYwbuQln3EW8CZ0oD' \
-d '{"channel": "app_x_chatroom_1", "data": "{\"message\": \"Hello World\"}"}' \
'http://localhost:8080/api/publish'
Broadcast to Channels ["app_x_chatroom_1"]:
$ curl -X POST \
-H 'Content-Type: application/json' \
-H 'X-AUTH-TOKEN: sWUhHRcs4Aqa0MEnYwbuQln3EW8CZ0oD' \
-d '{"channels": ["app_x_chatroom_1"], "data": "{\"message\": \"Hello World\"}"}' \
'http://localhost:8080/api/broadcast'
Sample Frontend Client
function Socket(url){
ws = new WebSocket(url);
ws.onmessage = function(e) { console.log(e); };
ws.onclose = function(){
// Try to reconnect in 5 seconds
setTimeout(function(){Socket(url)}, 5000);
};
}
Socket("ws://localhost:8080/ws/$ID/$TOKEN");
Client:
- Go Client Thanks @domgolonka
Versioning
For transparency into our release cycle and in striving to maintain backward compatibility, Beaver is maintained under the Semantic Versioning guidelines and release process is predictable and business-friendly.
See the Releases section of our GitHub project for changelogs for each release version of Beaver. It contains summaries of the most noteworthy changes made in each release.
Bug tracker
If you have any suggestions, bug reports, or annoyances please report them to our issue tracker at https://github.com/clivern/beaver/issues
Security Issues
If you discover a security vulnerability within Beaver, please send an email to [email protected]
Contributing
We are an open source, community-driven project so please feel free to join us. see the contributing guidelines for more details.
License
© 2018, Clivern. Released under MIT License.
Beaver is authored and maintained by @Clivern.
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