package api import ( "errors" "io" "io/ioutil" "log" "net/http" "os" "time" "github.com/goccy/go-json" ) var ( authToken = os.Getenv("SEGFAUTILS_AUTHTOKEN") ) func Announcements() { http.HandleFunc("/api/announcements", getAnnouncements) http.HandleFunc("/api/announcements/post", handleAnnouncements) http.HandleFunc("/api/announcements/delete", handleAnnouncementDeleteRequest) } func handleAnnouncements(w http.ResponseWriter, r *http.Request) { if r.Method != "POST" { http.Error(w, "Method not allowed", http.StatusMethodNotAllowed) return } if r.FormValue("token") != authToken { http.Error(w, "You need to provide the authorization token given to you by your system administrator in order to post an announcement.", http.StatusUnauthorized) return } else { if r.FormValue("title") == "" || r.FormValue("link") == "" || r.FormValue("severity") == "" { http.Error(w, "Your request is not proper. Please add a title, link, and severity.", http.StatusBadRequest) return } else { w.WriteHeader(http.StatusOK) now := time.Now().Unix() data := map[string]interface{}{ "title": r.FormValue("title"), "link": r.FormValue("link"), "severity": r.FormValue("severity"), "created": now, } jsonData, err := json.Marshal(data) if err != nil { log.Printf("could not marshal json: %s\n", err) return } ioutil.WriteFile("./data/announcements.json", jsonData, os.ModePerm) w.Write([]byte("Announcement posted!")) } return } } func handleAnnouncementDeleteRequest(w http.ResponseWriter, r *http.Request) { if r.Method != "POST" { http.Error(w, "Method not allowed", http.StatusMethodNotAllowed) return } if r.FormValue("token") != authToken { http.Error(w, "You need to provide the authorization token given to you by your system administrator in order to delete an announcement.", http.StatusUnauthorized) return } else { if _, err := os.Stat("./data/announcements.json"); errors.Is(err, os.ErrNotExist) { http.Error(w, "If you're gonna delete the annoucement, there has to be an announcement in the first place.", http.StatusNotFound) return } else { err := os.Remove("./data/announcements.json") if err != nil { log.Fatal(err) } w.WriteHeader(http.StatusOK) w.Write([]byte("Announcement deleted!")) return } } } func getAnnouncements(w http.ResponseWriter, r *http.Request) { if r.Method != "GET" { http.Error(w, "Method not allowed", http.StatusMethodNotAllowed) return } if _, err := os.Stat("./data/announcements.json"); errors.Is(err, os.ErrNotExist) { http.Error(w, "There are no announcements.", http.StatusNotFound) return } else { f, err := os.Open("./data/announcements.json") if err != nil { log.Fatal(err) } defer f.Close() io.Copy(w, f) } }