initial announcements

Signed-off-by: Odyssey346 <odyssey346@disroot.org>
2022-08-03 21:37:12 +02:00
parent 2f6fbed9c0
commit c73b648451
9 changed files with 230 additions and 24 deletions
--- a/api/announcements.go
+++ b/api/announcements.go
@@ -0,0 +1,111 @@
+package api
+
+import (
+	"errors"
+	"io"
+	"log"
+	"net/http"
+	"os"
+	"time"
+
+	"github.com/gorilla/feeds"
+)
+
+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()
+			feed := &feeds.Feed{
+				Title:       r.FormValue("title"),
+				Link:        &feeds.Link{Href: r.FormValue("link")},
+				Description: r.FormValue("severity"),
+				Created:     now,
+			}
+
+			json, err := feed.ToJSON()
+			if err != nil {
+				log.Fatal(err)
+			}
+
+			f, err := os.Create("./static/announcements.json")
+
+			if err != nil {
+				log.Fatal(err)
+			}
+
+			defer f.Close()
+
+			_, err2 := f.WriteString(json)
+
+			if err2 != nil {
+				log.Fatal(err2)
+			}
+
+			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 {
+		w.WriteHeader(http.StatusOK)
+		if _, err := os.Stat("./static/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("./static/announcements.json")
+			if err != nil {
+				log.Fatal(err)
+			}
+			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("./static/announcements.json"); errors.Is(err, os.ErrNotExist) {
+		http.Error(w, "There are no announcements.", http.StatusNotFound)
+		return
+	} else {
+		f, err := os.Open("./static/announcements.json")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer f.Close()
+		io.Copy(w, f)
+	}
+}