signal-cli-http/http/listen.go

64 lines
No EOL
1.3 KiB
Go

package http
/* This file handles listening to HTTP requests */
import (
"signal-cli-http/conf"
"signal-cli-http/subprocess"
"fmt"
"io"
"log"
"net/http"
)
func StartWebserver(port int) {
http.HandleFunc("/", getRoot)
err := http.ListenAndServe(":"+fmt.Sprint(port), nil)
fmt.Println(err)
}
func getRoot(w http.ResponseWriter, r *http.Request) {
// Check that Authentication header exists
authArr, ok := r.Header["Authentication"]
if (!ok) || (len(authArr) == 0) {
w.WriteHeader(400);
w.Write([]byte("Authentication header missing\n"))
return;
}
bearer := authArr[0];
// Check that the request is allowed for the path
if !conf.GlobalConfig.ValidateBearerKey(bearer, r.URL.Path) {
w.WriteHeader(403);
w.Write([]byte("Bearer key not whitelisted for this path\n"))
return;
}
// OK authentication wise
body, err := io.ReadAll(r.Body)
if err != nil {
w.WriteHeader(500);
w.Write([]byte("Error reading body\n"))
return;
}
// Call subprocess
status, bodyContent, err := subprocess.Run(r.URL.Path, body)
// Error
if err != nil {
w.WriteHeader(500);
w.Write([]byte("Internal server error: " + err.Error() + "\n"));
return
}
// Respond to client with status
w.WriteHeader(status);
w.Write(bodyContent);
// Log the request
log.Default().Print("HTTP Request: ", bearer, " " , r.URL.Path, " ", status)
}