url.go

package go_sdk

import (
	"fmt"
	"strings"
)

// url
// each url contains of the following parts:
// - host
// - port
type url struct {
	address string
	auth    string
}

// urlUnpack
// manages to create url struct from url string.
func urlUnpack(inputUrl string) (*url, error) {
	// check the input url protocol
	protocolSplit := strings.Split(inputUrl, "://")
	if len(protocolSplit) < 2 {
		return nil, fmt.Errorf("invalid uri")
	}

	// protocol must be 'st'
	if protocolSplit[0] != "st" {
		return nil, fmt.Errorf("not using stallion protocol (st://...)")
	}

	var (
		address string
		auth    string
	)

	// exporting the user:pass@host:port with @
	if len(strings.Split(protocolSplit[1], "@")) < 2 {
		auth = " : "

		// exporting the host:port pair
		if len(strings.Split(protocolSplit[1], ":")) < 2 {
			return nil, fmt.Errorf("server ip or port is not given")
		}

		address = protocolSplit[1]
	} else {
		authAndAddress := strings.Split(protocolSplit[1], "@")

		if len(strings.Split(authAndAddress[0], ":")) < 2 {
			return nil, fmt.Errorf("auth user or pass is not given")
		}

		auth = authAndAddress[0]
		address = authAndAddress[1]
	}

	return &url{
		address: address,
		auth:    auth,
	}, nil
}