From 25f7aa1d22b332a168edbcc8bcd46308aca9c767 Mon Sep 17 00:00:00 2001
From: Jeff Carr <jcarr@wit.com>
Date: Fri, 11 Oct 2024 23:01:55 -0500
Subject: add http listen

Signed-off-by: Jeff Carr <jcarr@wit.com>
---
 http.go | 79 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 http.go

(limited to 'http.go')

diff --git a/http.go b/http.go
new file mode 100644
index 0000000..19e1bb8
--- /dev/null
+++ b/http.go
@@ -0,0 +1,79 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+	"strings"
+
+	"go.wit.com/log"
+)
+
+// remove '?' part and trailing '/'
+func cleanURL(url string) string {
+	url = "/" + strings.Trim(url, "/")
+	return url
+}
+
+func okHandler(w http.ResponseWriter, r *http.Request) {
+	var tmp string
+	tmp = cleanURL(r.URL.Path)
+
+	if tmp == "/" {
+		fmt.Fprintln(w, "OK")
+		return
+	}
+	if tmp == "/me" {
+		j, err := dumpJsonClient(r)
+		if err != nil {
+			fmt.Fprintln(w, "BAD ZOOT")
+			return
+		}
+		fmt.Fprintln(w, j)
+		return
+	}
+	if tmp == "/favicon.ico" {
+		writeFile(w, "ipv6.png")
+		return
+	}
+	// used for uptime monitor checking
+	if tmp == "/uptime" {
+		writeFile(w, "uptime.html")
+		return
+	}
+	log.Warn("BAD URL =", tmp)
+	fmt.Fprintln(w, "BAD ZOOT")
+	// badurl(w, r.URL.String())
+	// fmt.Fprintln(w, "BAD", tmp)
+}
+
+func writeFile(w http.ResponseWriter, filename string) {
+	// fmt.Fprintln(w, "GOT TEST?")
+	fullname := "resources/" + filename
+	pfile, err := resources.ReadFile(fullname)
+	if err != nil {
+		log.Println("ERROR:", err)
+		// w.Write(pfile)
+		return
+	}
+
+	var repohtml string
+	repohtml = string(pfile)
+	if filename == "goReference.svg" {
+		w.Header().Set("Content-Type", "image/svg+xml")
+	}
+	fmt.Fprintln(w, repohtml)
+	log.Println("writeFile() found internal file:", filename)
+}
+
+// starts and sits waiting for HTTP requests
+func startHTTP() {
+	http.HandleFunc("/", okHandler)
+
+	p := fmt.Sprintf(":%d", argv.Port)
+	log.Println("Running on port", p)
+
+	err := http.ListenAndServe(p, nil)
+	if err != nil {
+		log.Println("Error starting server:", err)
+	}
+}
-- 
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