alxarno/swap

🖥️ Messenger Backend (Golang, GORM, SQLite)

Swap

Instant messenger for local network

Current standalone application is messenger's server, there isn't UI

System Capabilities

• Working without a setup
• Auto producing self-signed SSL certificates
• Embedded database
• Files holding
• Declarative settings
• Logging to a file

Messenger Capabilities

• User's sing in and sing up
• Creating chat
• Invite users to a chat
• Block users in the chat
• Leave chat
• Upload docs
• Instant messaging via WebSocket

Installation and run

Getting repository

go get github.com/alxarno/swap

All deps are in vendor folder

Running only API server, without web UI.

For running with web UI look below

go run main.go logo.go  router.go  router_without_ui.go

Also you can start by fresh, with auto rebuild

go get github.com/pilu/fresh
./fresh.sh

Config

After starting swap server, it create swap.json file, if it doesnt exist. The swap.json contains swap's settings.

{
	"backend":{
		"fileLogs": true, // swap will logging to swap.log file, instead stdout
		"host": "80", // base host for http (will auto redirect to sslhost)
		"sslhost": "443", // https host
		"secret_key_for_token": "CGli0F5jNe3RhLCfVyEBTw==", // auto produced random string for creating some tokens
		"files_path": "./files/" // folder for containing files
	},
	"cert":{
		"org": "Example Co", // self-signed cert's company name 
		"hosts": ["192.168.1.38","localhost","127.0.0.1"], // self-signed cert's hosts
		"rsa-bits":2048 // key bits
	},
	"service":{
		"max_file_size_byte": 104857600, // max uploaded file size (1MB)
		"max_minutes_available_for_files_download": 5, // temporary donwload link time
		"cors": false // cross-domain requests
	},
	"db":{
		"sqlite":{
			"file_path": "swap.db" // DB file name
		}
	}
}

Certificates

After starting swap server, it create swap.crt and swap.key files, if they don't exist.

They are generated based on information in swap.json

You can generate your own certificate and key, and put it like swap.crt and swap.key

Build

For build executable install packr and run

./build.sh

It download UI, make go classes by packr and compile all

Now supporting building only for current OS

Result will appear in releases folder

Built With

• Go
• GORM
• SQLite
• Gorilla web toolkit
• Packr

Download

You can download the latest portable version of Swap

License

GPL-3.0