Flesh out GLoom

I have documented GLoom's new RPC, how a plugin developer might create a plugin, and more. I have also created GLoomI, the included management interface for GLoom and added a LICENSE.

gloomi/main.go

@@ -0,0 +1,108 @@
+package main
+
+import (
+	"fmt"
+	"io"
+	"mime/multipart"
+	"net/rpc"
+	"strings"
+
+	"github.com/gofiber/fiber/v3"
+)
+
+type GLoomI struct {
+	client *rpc.Client
+}
+
+func (p *GLoomI) Init() error {
+	// Connect to the RPC server
+	client, err := rpc.Dial("tcp", "localhost:7143")
+	if err != nil {
+		return fmt.Errorf("failed to connect to Gloom RPC server: %w", err)
+	}
+	p.client = client
+	return nil
+}
+
+func (p *GLoomI) Name() string {
+	return "GLoomI"
+}
+
+type PluginData struct {
+	Name    string   `json:"name"`
+	Domains []string `json:"domains"`
+}
+
+func GetPlugins(client *rpc.Client) ([]PluginData, error) {
+	var plugins []PluginData
+	err := client.Call("GloomRPC.ListPlugins", struct{}{}, &plugins)
+
+	return plugins, err
+}
+
+func (p *GLoomI) RegisterRoutes(router fiber.Router) {
+	apiRouter := router.Group("/api")
+	{
+		apiRouter.Get("/plugins", func(c fiber.Ctx) error {
+			plugins, err := GetPlugins(p.client)
+			if err != nil {
+				return c.Status(fiber.StatusInternalServerError).SendString("Failed to list plugins: " + err.Error())
+			}
+
+			return c.Status(fiber.StatusOK).JSON(plugins)
+		})
+
+		type UploadRequest struct {
+			Domains string `form:"domains"`
+		}
+
+		apiRouter.Post("/plugins", func(c fiber.Ctx) error {
+			pluginUpload := new(UploadRequest)
+			if err := c.Bind().Form(pluginUpload); err != nil {
+				return c.Status(fiber.StatusBadRequest).SendString("Failed to bind form data: " + err.Error())
+			}
+
+			if pluginUpload.Domains == "" {
+				return c.Status(fiber.StatusBadRequest).SendString("No domains provided")
+			}
+
+			domains := make([]string, 0)
+			for _, domain := range strings.Split(pluginUpload.Domains, ",") {
+				domains = append(domains, strings.TrimSpace(domain))
+			}
+
+			var pluginFile *multipart.FileHeader
+			pluginFile, err := c.FormFile("plugin")
+			if err != nil {
+				return c.Status(fiber.StatusBadRequest).SendString("Failed to get plugin file: " + err.Error())
+			}
+
+			pluginData, err := pluginFile.Open()
+			if err != nil {
+				return c.Status(fiber.StatusInternalServerError).SendString("Failed to open plugin file: " + err.Error())
+			}
+
+			var pluginUploadStruct struct {
+				Domains []string `json:"domains"`
+				Name    string   `json:"name"`
+				Data    []byte   `json:"data"`
+			}
+			pluginUploadStruct.Name = pluginFile.Filename
+			pluginUploadStruct.Domains = domains
+			pluginUploadStruct.Data, err = io.ReadAll(pluginData)
+			if err != nil {
+				return c.Status(fiber.StatusInternalServerError).SendString("Failed to read plugin file: " + err.Error())
+			}
+
+			err = p.client.Call("GloomRPC.UploadPlugin", pluginUploadStruct, nil)
+			if err != nil {
+				return c.Status(fiber.StatusInternalServerError).SendString("Failed to upload plugin: " + err.Error())
+			}
+
+			return c.Status(fiber.StatusOK).SendString("Plugin uploaded successfully")
+		})
+	}
+}
+
+// Exported symbol
+var Plugin GLoomI