Added redirects, make one pathBlock able to contain multiple paths

Signed-off-by: arzumify <jliwin98@danwin1210.de>

config.yaml.example

@@ -68,8 +68,8 @@ routes: [
       {
         # path defines the path to match. They can contain wildcards.
         path: "/static/*",
-        # static defines the static file serving settings for this path. This conflicts with proxy.
+        # static defines the static file serving settings for this path. This conflicts with proxy and redirect.
-        # If both proxy and static are defined, static will take precedence.
+        # static > proxy > redirect in terms of precedence.
         static: {
           # root defines the root directory to serve static files from.
           root: "./static",
@@ -81,8 +81,8 @@ routes: [
       {
         # path defines the path to match. They can contain wildcards.
         path: "/proxy/*",
-        # proxy defines the proxy settings for this path. This conflicts with static.
+        # proxy defines the proxy settings for this path. This conflicts with static and redirect.
-        # If both proxy and static are defined, static will take precedence.
+        # static > proxy > redirect in terms of precedence.
         proxy: {
           # url defines the URL to proxy requests to.
           url: "http://localhost:8000",
@@ -92,6 +92,18 @@ routes: [
             # TODO: In a future update, forbidding certain headers from being passed will be supported.
             # TODO: In a future update, passing X-Powered-By and Server headers will be supported.
             # TODO: In a future update, passing Host header will be supported.
+        },
+        {
+          # path defines the path to match. They can contain wildcards.
+          path: "/redirect/*",
+          # redirect defines the redirect settings for this path. This conflicts with proxy and static.
+          # static > proxy > redirect in terms of precedence.
+          redirect: {
+            # url defines the URL to redirect to.
+            url: "https://www.google.com",
+            # permanent defines whether the redirect is permanent (301) or temporary (302).
+            permanent: true
+          }
         }
       }
     ]

main.go

@@ -48,7 +48,7 @@ type Config struct {
 		HTTPS struct {
 			CertificatePath string `yaml:"certificate" validate:"required"`
 			KeyPath         string `yaml:"key" validate:"required"`
-		}
+		} `yaml:"https"`
 		Logging struct {
 			Enabled bool   `yaml:"enabled"`
 			File    string `yaml:"file" validate:"required_if=Enabled true"`
@@ -63,15 +63,19 @@ type Config struct {
 		Subdomain string   `yaml:"subdomain" validate:"required"`
 		Services  []string `yaml:"services"`
 		Paths     []struct {
-			Path  string `yaml:"path" validate:"required"`
+			Paths []string `yaml:"paths" validate:"required"`
 			Proxy struct {
 				URL         string `yaml:"url" validate:"required"`
 				StripPrefix bool   `yaml:"stripPrefix"`
-			} `yaml:"proxy" validate:"required_without=Static"`
+			} `yaml:"proxy" validate:"required_without=Static Redirect"`
 			Static struct {
 				Root             string `yaml:"root" validate:"required,isDirectory"`
 				DirectoryListing bool   `yaml:"directoryListing"`
-			} `yaml:"static" validate:"required_without=Proxy"`
+			} `yaml:"static" validate:"required_without_all=Proxy Redirect"`
+			Redirect struct {
+				URL       string `yaml:"url" validate:"required"`
+				Permanent bool   `yaml:"permanent"`
+			} `yaml:"redirect" validate:"required_without_all=Proxy Static"`
 		} `yaml:"paths"`
 		HTTPS struct {
 			CertificatePath string `yaml:"certificate" validate:"required"`
@@ -945,24 +949,35 @@ func iterateThroughSubdomains(globalOutbox chan library.InterServiceMessage) {
 		}
 
 		// Iterate through the paths
-		for _, path := range route.Paths {
+		for _, pathBlock := range route.Paths {
-			if path.Static.Root != "" {
+			for _, path := range pathBlock.Paths {
+				if pathBlock.Static.Root != "" {
 					// Serve the static directory
-				rawPath := strings.TrimSuffix(path.Path, "*")
+					rawPath := strings.TrimSuffix(path, "*")
-				subdomainRouter.Handle(path.Path, http.StripPrefix(rawPath, newFileServer(path.Static.Root, path.Static.DirectoryListing, rawPath)))
+					subdomainRouter.Handle(path, http.StripPrefix(rawPath, newFileServer(pathBlock.Static.Root, pathBlock.Static.DirectoryListing, rawPath)))
-				slog.Info("Serving static directory " + path.Static.Root + " on subdomain " + route.Subdomain + " with pattern " + path.Path)
+					slog.Info("Serving static directory " + pathBlock.Static.Root + " on subdomain " + route.Subdomain + " with pattern " + path)
-			} else if path.Proxy.URL != "" {
+				} else if pathBlock.Proxy.URL != "" {
 					// Parse the URL
-				proxyUrl, err := url.Parse(path.Proxy.URL)
+					proxyUrl, err := url.Parse(pathBlock.Proxy.URL)
 					if err != nil {
 						slog.Error("Error parsing URL: " + err.Error())
 						os.Exit(1)
 					}
 					// Create the proxy
-				if path.Proxy.StripPrefix {
+					if pathBlock.Proxy.StripPrefix {
-					subdomainRouter.Handle(path.Path, http.StripPrefix(strings.TrimSuffix(path.Path, "*"), httputil.NewSingleHostReverseProxy(proxyUrl)))
+						subdomainRouter.Handle(path, http.StripPrefix(strings.TrimSuffix(path, "*"), httputil.NewSingleHostReverseProxy(proxyUrl)))
 					} else {
-					subdomainRouter.Handle(path.Path, httputil.NewSingleHostReverseProxy(proxyUrl))
+						subdomainRouter.Handle(path, httputil.NewSingleHostReverseProxy(proxyUrl))
+					}
+				} else if pathBlock.Redirect.URL != "" {
+					// Set the code
+					code := http.StatusFound
+					if pathBlock.Redirect.Permanent {
+						code = http.StatusMovedPermanently
+					}
+
+					// Create the redirect
+					subdomainRouter.Handle(path, http.RedirectHandler(pathBlock.Redirect.URL, code))
 				}
 			}
 		}
@@ -971,8 +986,7 @@ func iterateThroughSubdomains(globalOutbox chan library.InterServiceMessage) {
 		if route.HTTPS.CertificatePath != "" && route.HTTPS.KeyPath != "" {
 			certificate, err := loadTLSCertificate(route.HTTPS.CertificatePath, route.HTTPS.KeyPath)
 			if err != nil {
-				slog.Error("Error loading TLS certificate: " + err.Error())
+				slog.Error("Error loading TLS certificate: " + err.Error() + ", TLS will not be available for subdomain " + route.Subdomain)
-				os.Exit(1)
 			}
 			certificates[route.Subdomain] = certificate
 		}
@@ -1093,8 +1107,7 @@ func main() {
 	if config.Global.HTTPS.CertificatePath != "" && config.Global.HTTPS.KeyPath != "" {
 		certificate, err := loadTLSCertificate(config.Global.HTTPS.CertificatePath, config.Global.HTTPS.KeyPath)
 		if err != nil {
-			slog.Error("Error loading TLS certificate: " + err.Error())
+			slog.Error("Error loading TLS certificate: " + err.Error() + ", TLS will not be available unless specified in the subdomains")
-			os.Exit(1)
 		}
 
 		certificates["none"] = certificate