initial commit

internal/cisa/cisa.go

@@ -0,0 +1,45 @@
+package cisa
+
+import (
+	"encoding/json"
+	"net/http"
+	"sync"
+	"time"
+
+	"istheinternetonfire.app/internal/config"
+	"istheinternetonfire.app/internal/httpclient"
+)
+
+var (
+	mu   sync.Mutex
+	Cisa CisaJSON
+)
+
+func Read() CisaJSON {
+	mu.Lock()
+	o := Cisa
+	mu.Unlock()
+	return o
+}
+
+func Start() {
+	for {
+		c := httpclient.NewClient(http.DefaultClient)
+		d, err := c.Get(config.Cfg.RemoteURL)
+		if err != nil {
+			time.Sleep(time.Second * 120)
+			continue
+		}
+
+		mu.Lock()
+		if err := json.Unmarshal(d, &Cisa); err != nil {
+			mu.Unlock()
+			time.Sleep(time.Second * 120)
+			continue
+		}
+		mu.Unlock()
+
+		config.Cfg.Log.Info("obtained remote data")
+		time.Sleep(time.Second * time.Duration(config.Cfg.RefreshSeconds))
+	}
+}