add json method

internal/webserver/httpServer.go

@@ -1,6 +1,7 @@
 package webserver
 
 import (
+	"encoding/json"
 	"fmt"
 	"log"
 	"regexp"
@@ -12,6 +13,7 @@ import (
 	"net/http"
 
 	"istheinternetonfire.app/assets"
+	"istheinternetonfire.app/internal/cisa"
 	"istheinternetonfire.app/internal/config"
 )
 
@@ -73,6 +75,8 @@ func Start() {
 		IdleTimeout:  time.Duration(config.Cfg.WebServerIdleTimeout) * time.Second,
 	}
 
+	path.HandleFunc("/status.json", webJSON)
+	path.HandleFunc("/status.txt", webTXT)
 	path.HandleFunc("/", webRoot)
 
 	if err := connection.ListenAndServe(); err != nil {
@@ -118,3 +122,41 @@ func webRoot(w http.ResponseWriter, r *http.Request) {
 		}
 	}
 }
+
+func webJSON(w http.ResponseWriter, r *http.Request) {
+	if strings.ToLower(r.Method) != "get" {
+		config.Cfg.Log.Debug("http invalid method", "url", r.URL.Path, "expected", "GET", "received", r.Method)
+		tmpltError(w, http.StatusBadRequest, "Invalid http method.")
+		return
+	}
+
+	w.Header().Add("Content-Type", TYPE_APPLICATION_JSON)
+
+	var (
+		output []byte
+		num    int = 3
+		err    error
+	)
+
+	cves := cisa.Read()
+	if len(cves.Vulnerabilities) == 0 {
+		w.Write([]byte("{}"))
+		return
+	} else if len(cves.Vulnerabilities) < 3 {
+		num = len(cves.Vulnerabilities)
+	}
+
+	if output, err = json.MarshalIndent(cves.Vulnerabilities[len(cves.Vulnerabilities)-num:], "", "  "); err != nil {
+		config.Cfg.Log.Debug("unable to convert CVES to JSON", "error", err, "url", r.URL.Path)
+	}
+
+	w.Write(output)
+}
+
+func webTXT(w http.ResponseWriter, r *http.Request) {
+	if strings.ToLower(r.Method) != "get" {
+		config.Cfg.Log.Debug("http invalid method", "url", r.URL.Path, "expected", "GET", "received", r.Method)
+		tmpltError(w, http.StatusBadRequest, "Invalid http method.")
+		return
+	}
+}

internal/webserver/httpTemplate.go

@@ -105,3 +105,7 @@ func tmpltStatusNotFound(w http.ResponseWriter, path string) {
 	}
 	w.Write(msgBuffer.Bytes()) //nolint:errcheck
 }
+
+func tmpltTXT(w http.ResponseWriter) {
+
+}