Add AUR link and update caddy config

README.md

@@ -36,13 +36,22 @@ Below is my [Caddy][6] file config for phanpy.
 
 ```Caddyfile
 http://phanpy.{$PRIVATE_ONION} {
-        header {
-            Content-Security-Policy "default-src 'self' 'unsafe-inline' social.balki.me wss://social.balki.me data: ;"
-            Referrer-Policy same-origin
-        }
-        reverse_proxy /wrap/* localhost:3242
-        root * /var/www/phanpy/
-        file_server
+    @firstreq {
+        path /
+        header !Referer
+    }
+
+    redir @firstreq /wrap/index.html
+
+    header {
+        Content-Security-Policy "default-src 'self' 'unsafe-inline' social.balki.me wss://social.balki.me data: ;"
+        Referrer-Policy same-origin
+    }
+
+    reverse_proxy /wrap/* unix//run/rls.sock
+
+    root * /usr/share/webapps/phanpy/
+    file_server
 }
 ```
 
@@ -61,6 +70,10 @@ Let me know at `@balki@balki.me` in fediverse, if you find it useful
 ```bash
 go install go.balki.me/remote-local-storage@latest
 ```
+### AUR
+
+- https://aur.archlinux.org/packages/remote-local-storage-git
+- (PKGBUILD) https://gitea.balki.me/balki-aur/remote-local-storage
 
 ---
 

go.mod

@@ -1,5 +1,5 @@
 module go.balki.me/remote-local-storage
 
-go 1.23.0
+go 1.25.6
 
-require go.balki.me/anyhttp v0.3.0
+require go.balki.me/anyhttp v0.5.2

go.sum

@@ -1,2 +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=
+go.balki.me/anyhttp v0.5.2 h1:et4tCDXLeXpWfMNvRKG7ojfrnlr3du7cEaG966MLSpA=
+go.balki.me/anyhttp v0.5.2/go.mod h1:JhfekOIjgVODoVqUCficjpIgmB3wwlB7jhN0eN2EZ/s=

main.go

@@ -1,4 +1,6 @@
 // Save and serve HTML local storage in server
+// This application provides a wrapper to save and restore localStorage of webapps in a server.
+// It's designed for browsers that clear localStorage when exiting (like Tor Browser) or to share localStorage across multiple browsers.
 package main
 
 import (
@@ -9,6 +11,7 @@ import (
 	"log"
 	"net/http"
 	"os"
+	"strings"
 	"time"
 
 	"go.balki.me/anyhttp"
@@ -17,55 +20,84 @@ import (
 //go:embed wrap.html
 var html []byte
 
-func main() {
+// getDumpFileName generates a hostname-specific dump filename
+func getDumpFileName(host string) string {
+	// Extract hostname from Host header
+	hostname := host
+	if hostname == "" {
+		hostname = "localhost"
+	}
+	// Sanitize hostname to prevent path traversal
+	hostname = strings.ReplaceAll(hostname, "/", "_")
+	hostname = strings.ReplaceAll(hostname, "..", "_")
 
+	// Create dump file name with hostname
+	return hostname + "-dump.json"
+}
+
+func main() {
 	addr := flag.String("address", "localhost:3242", "Listen address. See go.balki.me/anyhttp for usage")
-	dumpFile := flag.String("dumpfile", "dump.json", "Path where local storage is saved in server")
 
 	flag.Parse()
 
+	// Handle root path - show error message
 	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>"))
+		if _, err := w.Write([]byte("<h2>Error!</h2><p>Check your webserver config, You should not see this!</p>")); err != nil {
+			log.Panic(err)
+		}
 	})
 
+	// Serve the wrap.html page at /wrap/ path
 	http.HandleFunc("/wrap/", func(w http.ResponseWriter, r *http.Request) {
 		http.ServeContent(w, r, "index.html", time.Now(), bytes.NewReader(html))
 	})
 
+	// Handle saving local storage data to server
 	http.HandleFunc("/wrap/saveLS", func(w http.ResponseWriter, r *http.Request) {
-
+		// Read the request body containing localStorage data
 		data, err := io.ReadAll(r.Body)
 		if err != nil {
 			log.Panic(err)
 		}
 
-		if err := os.WriteFile(*dumpFile, data, 0o400); err != nil {
-			log.Panic(err)
-		}
+		// Generate dump filename
+		dumpFile := getDumpFileName(r.Host)
 
-		if err != nil {
+		// Write the data to the dump file
+		if err := os.WriteFile(dumpFile, data, 0o600); err != nil {
 			log.Panic(err)
 		}
 
 		log.Println("Saved!")
 
+		// Send OK response
 		if _, err := w.Write([]byte("OK")); err != nil {
 			log.Panic(err)
 		}
 	})
 
-	http.HandleFunc("/wrap/loadLS", func(w http.ResponseWriter, _ *http.Request) {
+	// Handle loading local storage data from server
+	http.HandleFunc("/wrap/loadLS", func(w http.ResponseWriter, r *http.Request) {
+		// Set proper content type for JSON response
 		w.Header().Set("Content-Type", "application/json")
-		data, err := os.ReadFile(*dumpFile)
-		if err != nil { // First time
+
+		// Generate dump filename
+		dumpFile := getDumpFileName(r.Host)
+
+		// Read the dump file
+		data, err := os.ReadFile(dumpFile)
+		if err != nil { // First time - return empty JSON
 			data = []byte("{}")
 		}
+
+		// Send the data back to client
 		if _, err := w.Write(data); err != nil {
 			log.Panic(err)
 		}
 		log.Println("Sent!")
 	})
 
+	// Start the HTTP server
 	err := anyhttp.ListenAndServe(*addr, nil)
 	if err != nil {
 		log.Panic(err)

test.sh

@@ -0,0 +1,119 @@
+#!/bin/bash
+
+# Test script for remote-local-storage application
+# This script starts the server and tests both saveLS and loadLS endpoints
+# with curl's --resolve flag to test multiple hostnames
+
+set -e
+
+# Define test variables
+PORT="3243"
+
+# Flags
+KEEP_FILES=false
+while getopts "k" FLAG; do
+	case "${FLAG}" in
+	k) KEEP_FILES=true ;;
+	esac
+done
+
+# Create temporary directory for testing
+TEST_DIR=$(mktemp -d)
+echo "Using test directory: $TEST_DIR"
+echo "To keep files, run with: ./test.sh -k"
+echo ""
+
+# Cleanup function
+cleanup() {
+	echo "Cleaning up..."
+	kill $(jobs -p) 2>/dev/null || true
+	if [ "$KEEP_FILES" = false ]; then
+		rm -rf "$TEST_DIR"
+	fi
+}
+
+# Set trap to always run cleanup on exit
+trap cleanup EXIT
+
+# Save binary path and cd into temp directory
+TEST_BINARY="$PWD/rls"
+cd "$TEST_DIR"
+echo "Starting remote-local-storage server on localhost:$PORT..."
+"$TEST_BINARY" -address="localhost:$PORT" &
+SERVER_PID=$!
+
+# Give the server a moment to start
+sleep 2
+
+# Define dump files
+DUMP_FILE="localhost:$PORT-dump.json"
+EXAMPLE_DUMP_FILE="example.com:$PORT-dump.json"
+BASE_URL="http://localhost:$PORT"
+
+echo "Testing loadLS endpoint for localhost (should return empty JSON)..."
+curl -s "$BASE_URL/wrap/loadLS" | jq .
+
+echo ""
+echo "Testing saveLS endpoint with sample data for localhost..."
+SAMPLE_DATA='{"testKey":"testValue","anotherKey":"anotherValue"}'
+curl -s -X POST -H "Content-Type: application/json" \
+	--data "$SAMPLE_DATA" "$BASE_URL/wrap/saveLS"
+
+echo ""
+echo "Testing loadLS endpoint after saving (should return saved data)..."
+curl -s "$BASE_URL/wrap/loadLS" | jq .
+
+echo ""
+echo "Checking localhost dump file contents..."
+if [ -f "$DUMP_FILE" ]; then
+	echo "Dump file exists at: $DUMP_FILE"
+	jq . "$DUMP_FILE"
+else
+	echo "Dump file not found!"
+	exit 1
+fi
+
+echo ""
+echo "Testing with --resolve flag for different hostname (example.com)..."
+echo "Testing loadLS endpoint for example.com..."
+curl -s --resolve "example.com:$PORT:127.0.0.1" \
+	"http://example.com:$PORT/wrap/loadLS" | jq .
+
+echo ""
+echo "Saving data for example.com..."
+EXAMPLE_DATA='{"exampleKey":"exampleValue","exampleNum":123}'
+curl -s -X POST --resolve "example.com:$PORT:127.0.0.1" \
+	-H "Content-Type: application/json" \
+	--data "$EXAMPLE_DATA" "http://example.com:$PORT/wrap/saveLS"
+
+# Wait a moment for server processing
+sleep 1
+
+echo ""
+echo "Loading data for example.com..."
+curl -s --resolve "example.com:$PORT:127.0.0.1" \
+	"http://example.com:$PORT/wrap/loadLS" | jq .
+
+echo ""
+echo "Checking example.com dump file contents..."
+if [ -f "$EXAMPLE_DUMP_FILE" ]; then
+	echo "Dump file exists at: $EXAMPLE_DUMP_FILE"
+	jq . "$EXAMPLE_DUMP_FILE"
+	echo ""
+	echo "Verification:"
+	echo "  ✓ localhost dump file: $DUMP_FILE"
+	echo "  ✓ example.com dump file: $EXAMPLE_DUMP_FILE"
+	echo "  ✓ Two different dump files generated for two different hosts"
+	echo ""
+	if [ "$KEEP_FILES" = false ]; then
+		echo "Files were created in $TEST_DIR"
+		echo "Run: ls -la $TEST_DIR"
+	else
+		echo "Files kept in $TEST_DIR for inspection"
+	fi
+	echo ""
+	echo "Test completed successfully!"
+else
+	echo "Dump file not found!"
+	exit 1
+fi

wrap.html

@@ -3,7 +3,7 @@
   <head>
     <link rel="icon" href="data:;base64,iVBORw0KGgo=" />
     <script>
-
+      // Load local storage from server on page load
       (async () => {
         const resp = await fetch("loadLS");
         const lsItems = JSON.parse(await resp.text());
@@ -13,6 +13,8 @@
         console.log("Loaded local storage");
       })();
 
+      // Function to save local storage to server
+      // This function is called periodically to sync localStorage with server
       function postLocalStorage() {
         (async () => {
           const resp = await fetch("saveLS", {
@@ -26,6 +28,7 @@
         })();
       }
 
+      // Set up periodic saving every 10 minutes
       setInterval(postLocalStorage, 10 * 60 * 1000) // 10 mins
 
     </script>