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package main
import (
"errors"
"flag"
"fmt"
"os"
"os/exec"
"strings"
eduvpn "github.com/jwijenbergh/eduvpn-common/src"
)
func openBrowser(urlString string) {
fmt.Printf("OAuth: Initialized with AuthURL %s\n", urlString)
fmt.Println("OAuth: Opening browser with xdg-open...")
exec.Command("xdg-open", urlString).Start()
}
func logState(oldState string, newState string, data string) {
fmt.Printf("State: %s -> State: %s with data %s\n", oldState, newState, data)
if newState == "OAuth_Started" {
openBrowser(data)
}
}
func writeGraph(filename string) error {
state := eduvpn.GetVPNState()
state.InitializeFSM()
graph := state.GenerateGraph()
f, err := os.Create(filename)
if err != nil {
return errors.New(fmt.Sprintf("Failed to create file %s with error %v", filename, err))
}
defer f.Close()
f.WriteString(graph)
fmt.Printf("Graph written to file: %s, use 'fdp %s -Tsvg > graph.svg' from graphviz to save to a svg file called graph.svg\n", filename, filename)
return nil
}
func main() {
fileGraph := flag.String("dumpgraph", "", "Dump the FSM to a graphviz fdp file")
urlArg := flag.String("url", "", "The url of the vpn")
flag.Parse()
fileGraphString := *fileGraph
if fileGraphString != "" {
writeGraph(fileGraphString)
return
}
urlString := *urlArg
if urlString != "" {
if !strings.HasPrefix(urlString, "https://") {
urlString = "https://" + urlString
}
state := eduvpn.GetVPNState()
state.Register("org.eduvpn.app.linux", "configs", logState, true)
config, configErr := state.Connect(urlString)
if configErr != nil {
fmt.Printf("Config error %v", configErr)
return
}
fmt.Println(config)
state.Deregister()
return
}
flag.PrintDefaults()
}
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