initial commit

2024-08-30 18:16:40 -04:00
commit 643b444b62
5 changed files with 124 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1,2 @@
+remote-local-storage
+dump.json
--- a/go.mod
+++ b/go.mod
@@ -0,0 +1,5 @@
+module go.balki.me/remote-local-storage
+
+go 1.23.0
+
+require go.balki.me/anyhttp v0.3.0
--- a/go.sum
+++ b/go.sum
@@ -0,0 +1,2 @@
+go.balki.me/anyhttp v0.3.0 h1:WtBQ0rnkg567sX/O4ij/+qBbdCIUt5VURSe718sITBY=
+go.balki.me/anyhttp v0.3.0/go.mod h1:JhfekOIjgVODoVqUCficjpIgmB3wwlB7jhN0eN2EZ/s=
--- a/main.go
+++ b/main.go
@@ -0,0 +1,69 @@
+// Save and serve HTML local storage in server
+package main
+
+import (
+	"bytes"
+	_ "embed"
+	"flag"
+	"io"
+	"log"
+	"net/http"
+	"os"
+	"time"
+
+	"go.balki.me/anyhttp"
+)
+
+//go:embed wrap.html
+var html []byte
+
+func main() {
+
+	addr := flag.String("address", "localhost:3242", "See go.balki.me/anyhttp for usage")
+	dumpFile := flag.String("dumpfile", "dump.json", "local storage file path")
+
+	http.HandleFunc("/", func(w http.ResponseWriter, _ *http.Request) {
+		w.Write([]byte("<h2>Error!</h2><p>Check your webserver config, You should not see this!</p>"))
+	})
+
+	http.HandleFunc("/wrap/", func(w http.ResponseWriter, r *http.Request) {
+		http.ServeContent(w, r, "index.html", time.Now(), bytes.NewReader(html))
+	})
+
+	http.HandleFunc("/wrap/saveLS", func(w http.ResponseWriter, r *http.Request) {
+
+		if _, err := w.Write([]byte("OK")); err != nil {
+			log.Panic(err)
+		}
+		data, err := io.ReadAll(r.Body)
+		if err != nil {
+			log.Panic(err)
+		}
+
+		if err := os.WriteFile(*dumpFile, data, 0o400); err != nil {
+			log.Panic(err)
+		}
+
+		if err != nil {
+			log.Panic(err)
+		}
+
+		log.Println("Saved!")
+	})
+
+	http.HandleFunc("/wrap/loadLS", func(w http.ResponseWriter, _ *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		data, err := os.ReadFile(*dumpFile)
+		if err != nil {
+			data = []byte("{}")
+		}
+		if _, err := w.Write(data); err != nil {
+			log.Panic(err)
+		}
+		log.Println("Sent!")
+	})
+	err := anyhttp.ListenAndServe(*addr, nil)
+	if err != nil {
+		log.Panic(err)
+	}
+}
--- a/wrap.html
+++ b/wrap.html
@@ -0,0 +1,46 @@
+<!doctype html>
+<html>
+  <head>
+    <link rel="icon" href="data:;base64,iVBORw0KGgo=" />
+    <script>
+
+      (async () => {
+        const resp = await fetch("loadLS");
+        const lsItems = JSON.parse(await resp.text());
+        for (const key in lsItems) {
+          localStorage.setItem(key, lsItems[key])
+        }
+        console.log("Loaded local storage");
+      })();
+
+      function postLocalStorage() {
+        (async () => {
+          const resp = await fetch("saveLS", {
+            method: "POST",
+            headers: {
+              "Content-Type": "application/json",
+            },
+            body: JSON.stringify(localStorage),
+          });
+          console.log(await resp.text());
+        })();
+      }
+
+      setInterval(postLocalStorage, 10 * 60 * 1000) // 10 mins
+
+    </script>
+    <style>
+      body {
+        margin: 0;
+      }
+      iframe {
+        width: 100vw;
+        height: 100vh;
+        border: none;
+      }
+    </style>
+  </head>
+  <body>
+    <iframe src="/"></iframe>
+  </body>
+</html>