setting up the imageboard

15 files changed, 539 insertions, 0 deletions

diff --git a/config/config.go b/config/config.go
new file mode 100644
index 0000000..14c0bf2
--- /dev/null
+++ b/config/config.go
@@ -0,0 +1,47 @@
+package config

+

+import (

+	"log"

+

+	"github.com/joho/godotenv"

+)

+

+var (

+	AppSecret         string = "default_secret"

+	Database          DatabaseConfig

+	IsDevelopmentMode bool = true

+	Image             ImageConfig

+	S3                S3Config

+	Server            ServerConfig

+	Session           SessionConfig

+)

+

+func init() {

+	if err := godotenv.Load(); err != nil {

+		log.Println("no .env file found, using environment variables")

+	}

+

+	AppSecret = getEnv("APP_SECRET", AppSecret)

+

+	if err := Parse(&Database); err != nil {

+		log.Fatalf("failed to parse configuration: %v", err)

+	}

+

+	IsDevelopmentMode = getEnvBool("DEV_MODE", IsDevelopmentMode)

+

+	if err := Parse(&Image); err != nil {

+		log.Fatalf("failed to parse configuration: %v", err)

+	}

+

+	if err := Parse(&S3); err != nil {

+		log.Fatalf("failed to parse configuration: %v", err)

+	}

+

+	if err := Parse(&Server); err != nil {

+		log.Fatalf("failed to parse configuration: %v", err)

+	}

+

+	if err := Parse(&Session); err != nil {

+		log.Fatalf("failed to parse configuration: %v", err)

+	}

+}

diff --git a/config/functions.go b/config/functions.go
new file mode 100644
index 0000000..0ec2d8e
--- /dev/null
+++ b/config/functions.go
@@ -0,0 +1,115 @@
+package config

+

+import (

+	"fmt"

+	"os"

+	"reflect"

+	"strconv"

+	"time"

+)

+

+func getEnv(key, defaultVal string) string {

+	if value := os.Getenv(key); value != "" {

+		return value

+	}

+	return defaultVal

+}

+

+func getEnvBool(key string, defaultVal bool) bool {

+	if value := os.Getenv(key); value != "" {

+		if parsed, err := strconv.ParseBool(value); err == nil {

+			return parsed

+		}

+	}

+	return defaultVal

+}

+

+func getEnvDuration(key string, defaultVal time.Duration) time.Duration {

+	if value := os.Getenv(key); value != "" {

+		if parsed, err := time.ParseDuration(value); err == nil {

+			return parsed

+		}

+	}

+	return defaultVal

+}

+

+func getEnvInt64(key string, defaultVal int64) int64 {

+	if value := os.Getenv(key); value != "" {

+		if parsed, err := strconv.ParseInt(value, 10, 64); err == nil {

+			return parsed

+		}

+	}

+	return defaultVal

+}

+

+func getEnvFloat64(key string, defaultVal float64) float64 {

+	if value := os.Getenv(key); value != "" {

+		if parsed, err := strconv.ParseFloat(value, 64); err == nil {

+			return parsed

+		}

+	}

+	return defaultVal

+}

+

+func Parse(config interface{}) error {

+	v := reflect.ValueOf(config)

+	if v.Kind() != reflect.Ptr || v.Elem().Kind() != reflect.Struct {

+		return fmt.Errorf("config must be a pointer to struct")

+	}

+

+	v = v.Elem()

+	t := v.Type()

+

+	for i := range v.NumField() {

+		field := v.Field(i)

+		fieldType := t.Field(i)

+

+		if !field.CanSet() {

+			continue

+		}

+

+		envKey := fieldType.Tag.Get("env")

+		defaultVal := fieldType.Tag.Get("default")

+

+		if envKey == "" {

+			continue

+		}

+

+		switch field.Kind() {

+		case reflect.String:

+			field.SetString(getEnv(envKey, defaultVal))

+

+		case reflect.Bool:

+			defaultBool, _ := strconv.ParseBool(defaultVal)

+			field.SetBool(getEnvBool(envKey, defaultBool))

+

+		case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:

+			defaultInt, _ := strconv.ParseInt(defaultVal, 10, 64)

+			field.SetInt(getEnvInt64(envKey, defaultInt))

+

+		case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:

+			defaultUint, _ := strconv.ParseUint(defaultVal, 10, 64)

+			if value := os.Getenv(envKey); value != "" {

+				if parsed, err := strconv.ParseUint(value, 10, 64); err == nil {

+					field.SetUint(parsed)

+					continue

+				}

+			}

+			field.SetUint(defaultUint)

+

+		case reflect.Float32, reflect.Float64:

+			defaultFloat, _ := strconv.ParseFloat(defaultVal, 64)

+			field.SetFloat(getEnvFloat64(envKey, defaultFloat))

+

+		default:

+			if field.Type() == reflect.TypeOf(time.Duration(0)) {

+				defaultDuration, _ := time.ParseDuration(defaultVal)

+				field.Set(reflect.ValueOf(getEnvDuration(envKey, defaultDuration)))

+			} else {

+				return fmt.Errorf("unsupported field type: %s", field.Kind())

+			}

+		}

+	}

+

+	return nil

+}

diff --git a/config/types.go b/config/types.go
new file mode 100644
index 0000000..994b93e
--- /dev/null
+++ b/config/types.go
@@ -0,0 +1,43 @@
+package config

+

+import "time"

+

+type ServerConfig struct {

+	Host    string `env:"SERVER_HOST" default:"localhost"`

+	Port    string `env:"SERVER_PORT" default:"8080"`

+	AppName string `env:"APP_NAME" default:"ImageBoard"`

+}

+

+type DatabaseConfig struct {

+	Host         string `env:"DB_HOST" default:"localhost"`

+	Port         int    `env:"DB_PORT" default:"5432"`

+	Username     string `env:"DB_USERNAME" default:"postgres"`

+	Password     string `env:"DB_PASSWORD" default:""`

+	DatabaseName string `env:"DB_NAME" default:"imageboard"`

+	SSLMode      string `env:"DB_SSLMODE" default:"disable"`

+}

+

+type SessionConfig struct {

+	Expiration     time.Duration `env:"SESSION_EXPIRATION" default:"24h"`

+	CookieName     string        `env:"SESSION_COOKIE_NAME" default:"session_id"`

+	CookieDomain   string        `env:"SESSION_COOKIE_DOMAIN" default:""`

+	CookiePath     string        `env:"SESSION_COOKIE_PATH" default:"/"`

+	CookieSecure   bool          `env:"SESSION_COOKIE_SECURE" default:"false"`

+	CookieSameSite string        `env:"SESSION_COOKIE_SAMESITE" default:"Lax"`

+}

+

+type ImageConfig struct {

+	MaxSize      int    `env:"IMAGE_MAX_SIZE" default:"10485760"`

+	AllowedTypes string `env:"IMAGE_ALLOWED_TYPES" default:"image/jpeg,image/png,image/gif,image/webp"`

+}

+

+type S3Config struct {

+	Endpoint        string `env:"S3_ENDPOINT" default:"localhost:9000"`

+	AccessKey       string `env:"S3_ACCESS_KEY" default:"minioadmin"`

+	SecretAccessKey string `env:"S3_SECRET_KEY" default:"minioadmin"`

+	BucketName      string `env:"S3_BUCKET_NAME" default:"shifoo"`

+	FolderPath      string `env:"S3_FOLDER_PATH" default:"imageboard"`

+	Region          string `env:"S3_REGION" default:"us-east-1"`

+	UseSSL          bool   `env:"S3_USE_SSL" default:"false"`

+	PublicURL       string `env:"S3_PUBLIC_URL" default:""`

+}

diff --git a/controllers/home.go b/controllers/home.go
new file mode 100644
index 0000000..1b513c8
--- /dev/null
+++ b/controllers/home.go
@@ -0,0 +1,17 @@
+package controllers

+

+import (

+	"imageboard/utils/shortcuts"

+

+	"github.com/gofiber/fiber/v2"

+)

+

+func HomeController(ctx *fiber.Ctx) error {

+	ctx.Locals("Title", "Home Page")

+	customdata := struct {

+		Custommessage string

+	}{

+		Custommessage: "Welcome to the Imageboard!",

+	}

+	return shortcuts.Render(ctx, "home", customdata)

+}

diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..7a64fbb
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,33 @@
+module imageboard
+
+go 1.24.4
+
+require (
+	github.com/gofiber/fiber/v2 v2.52.8
+	github.com/gofiber/storage/postgres/v2 v2.0.3
+	github.com/gofiber/template/html/v2 v2.1.3
+	github.com/joho/godotenv v1.5.1
+)
+
+require (
+	github.com/andybalholm/brotli v1.1.0 // indirect
+	github.com/gofiber/template v1.8.3 // indirect
+	github.com/gofiber/utils v1.1.0 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/jackc/pgpassfile v1.0.0 // indirect
+	github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a // indirect
+	github.com/jackc/pgx/v5 v5.4.3 // indirect
+	github.com/jackc/puddle/v2 v2.2.1 // indirect
+	github.com/klauspost/compress v1.17.9 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mattn/go-runewidth v0.0.16 // indirect
+	github.com/rivo/uniseg v0.2.0 // indirect
+	github.com/valyala/bytebufferpool v1.0.0 // indirect
+	github.com/valyala/fasthttp v1.51.0 // indirect
+	github.com/valyala/tcplisten v1.0.0 // indirect
+	golang.org/x/crypto v0.14.0 // indirect
+	golang.org/x/sync v0.1.0 // indirect
+	golang.org/x/sys v0.28.0 // indirect
+	golang.org/x/text v0.13.0 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..2c5bd46
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,65 @@
+github.com/andybalholm/brotli v1.1.0 h1:eLKJA0d02Lf0mVpIDgYnqXcUn0GqVmEFny3VuID1U3M=
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+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
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diff --git a/imageboard/main.go b/imageboard/main.go
new file mode 100644
index 0000000..bce8cd1
--- /dev/null
+++ b/imageboard/main.go
@@ -0,0 +1,47 @@
+package main

+

+import (

+	"imageboard/config"

+	"imageboard/middleware"

+	"imageboard/processors"

+	"imageboard/router"

+	"log"

+

+	"github.com/gofiber/fiber/v2"

+	"github.com/gofiber/fiber/v2/middleware/cors"

+	"github.com/gofiber/fiber/v2/middleware/helmet"

+	"github.com/gofiber/fiber/v2/middleware/logger"

+	"github.com/gofiber/fiber/v2/middleware/recover"

+	"github.com/gofiber/template/html/v2"

+)

+

+func main() {

+	if config.AppSecret == "default_secret" {

+		log.Println("Warning: AppSecret is set to a default value which is not secure. Please set a strong random secret in your APP_SECRET environment variable or .env file.")

+	}

+

+	engine := html.New("./templates", ".html")

+	engine.Reload(config.IsDevelopmentMode)

+	app := fiber.New(fiber.Config{

+		Views: engine,

+		ErrorHandler: func(ctx *fiber.Ctx, err error) error {

+			log.Printf("Error: %v", err)

+			return ctx.Status(fiber.StatusInternalServerError).SendString("Internal Server Error")

+		},

+		BodyLimit: config.Image.MaxSize,

+	})

+

+	app.Use(recover.New())

+	app.Use(logger.New())

+	app.Use(helmet.New())

+	app.Use(cors.New())

+

+	processors.Initialize(app)

+

+	app.Use(middleware.JSON)

+	app.Static("/", "./static")

+

+	router.Initialize(app)

+

+	log.Fatalf("Server failed to start: %v", app.Listen(config.Server.Host+":"+config.Server.Port))

+}

diff --git a/middleware/json.go b/middleware/json.go
new file mode 100644
index 0000000..903ab43
--- /dev/null
+++ b/middleware/json.go
@@ -0,0 +1,8 @@
+package middleware

+

+import "github.com/gofiber/fiber/v2"

+

+func JSON(context *fiber.Ctx) error {

+	context.Accepts("application/json")

+	return context.Next()

+}

diff --git a/processors/meta.go b/processors/meta.go
new file mode 100644
index 0000000..ebd1c6b
--- /dev/null
+++ b/processors/meta.go
@@ -0,0 +1,15 @@
+package processors

+

+import (

+	"imageboard/config"

+

+	"github.com/gofiber/fiber/v2"

+)

+

+const defaultTitle = "default"

+

+func MetaContextProcessor(ctx *fiber.Ctx) error {

+	ctx.Locals("Title", defaultTitle)

+	ctx.Locals("Appname", config.Server.AppName)

+	return ctx.Next()

+}

diff --git a/processors/processors.go b/processors/processors.go
new file mode 100644
index 0000000..69fbbec
--- /dev/null
+++ b/processors/processors.go
@@ -0,0 +1,7 @@
+package processors

+

+import "github.com/gofiber/fiber/v2"

+

+func Initialize(app *fiber.App) {

+	app.Use(MetaContextProcessor)

+}

diff --git a/router/routes.go b/router/routes.go
new file mode 100644
index 0000000..814b767
--- /dev/null
+++ b/router/routes.go
@@ -0,0 +1,19 @@
+package router

+

+import (

+	"imageboard/controllers"

+

+	"github.com/gofiber/fiber/v2"

+)

+

+func Initialize(router *fiber.App) {

+	router.Get("/", controllers.HomeController)

+

+	router.Use(func(c *fiber.Ctx) error {

+		return c.Status(fiber.StatusNotFound).JSON(fiber.Map{

+			"error":   "Not Found",

+			"message": "The requested resource could not be found.",

+			"status":  fiber.StatusNotFound,

+		})

+	})

+}

diff --git a/session/session.go b/session/session.go
new file mode 100644
index 0000000..ed89c5a
--- /dev/null
+++ b/session/session.go
@@ -0,0 +1,37 @@
+package session

+

+import (

+	"imageboard/config"

+	"log"

+

+	"github.com/gofiber/fiber/v2/middleware/session"

+	"github.com/gofiber/storage/postgres/v2"

+)

+

+var Store *session.Store

+

+func init() {

+	storage := postgres.New(postgres.Config{

+		Host:     config.Database.Host,

+		Port:     config.Database.Port,

+		Username: config.Database.Username,

+		Password: config.Database.Password,

+		Database: config.Database.DatabaseName,

+		Table:    "sessions",

+		SSLMode:  config.Database.SSLMode,

+	})

+

+	Store = session.New(session.Config{

+		Storage:        storage,

+		Expiration:     config.Session.Expiration,

+		KeyLookup:      "cookie:" + config.Session.CookieName,

+		CookieName:     config.Session.CookieName,

+		CookieDomain:   config.Session.CookieDomain,

+		CookiePath:     config.Session.CookiePath,

+		CookieSecure:   config.Session.CookieSecure,

+		CookieSameSite: config.Session.CookieSameSite,

+		CookieHTTPOnly: true,

+	})

+

+	log.Println("Session store initialized successfully")

+}

diff --git a/templates/home.html b/templates/home.html
new file mode 100644
index 0000000..708a02e
--- /dev/null
+++ b/templates/home.html
@@ -0,0 +1,7 @@
+{{define "content"}}

+<main>

+  <h2>{{.Title}}</h2>

+  <p>Welcome to {{.Appname}}</p>

+  <p>Custom Data: {{ .Custommessage }}</p>

+</main>

+{{end}} {{template "layout" .}}

diff --git a/templates/layout.html b/templates/layout.html
new file mode 100644
index 0000000..d2a5b98
--- /dev/null
+++ b/templates/layout.html
@@ -0,0 +1,13 @@
+{{define "layout"}}

+<!DOCTYPE html>

+<html lang="en">

+  <head>

+    <meta charset="UTF-8" />

+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />

+    <title>{{.Title}} - {{.Appname}}</title>

+  </head>

+  <body>

+    {{template "content" .}}

+  </body>

+</html>

+{{end}}

diff --git a/utils/shortcuts/render.go b/utils/shortcuts/render.go
new file mode 100644
index 0000000..ba83a81
--- /dev/null
+++ b/utils/shortcuts/render.go
@@ -0,0 +1,66 @@
+package shortcuts

+

+import (

+	"reflect"

+	"strings"

+

+	"maps"

+

+	"github.com/gofiber/fiber/v2"

+)

+

+func Render(ctx *fiber.Ctx, name string, bind any) error {

+	finalData := fiber.Map{}

+

+	ctx.Context().VisitUserValues(func(key []byte, value any) {

+		finalData[string(key)] = value

+	})

+

+	if bind != nil {

+		switch v := bind.(type) {

+		case fiber.Map:

+			maps.Copy(finalData, v)

+		case map[string]any:

+			maps.Copy(finalData, v)

+		default:

+			structData := structToMap(bind)

+			maps.Copy(finalData, structData)

+		}

+	}

+

+	return ctx.Render(name, finalData)

+}

+

+func structToMap(obj any) map[string]any {

+	result := make(map[string]any)

+

+	v := reflect.ValueOf(obj)

+	if v.Kind() == reflect.Ptr {

+		v = v.Elem()

+	}

+

+	if v.Kind() != reflect.Struct {

+		return result

+	}

+

+	t := v.Type()

+	for i := range v.NumField() {

+		field := t.Field(i)

+		if !field.IsExported() {

+			continue

+		}

+

+		key := field.Name

+		if tag := field.Tag.Get("json"); tag != "" && tag != "-" {

+			if commaIdx := strings.Index(tag, ","); commaIdx > 0 {

+				key = tag[:commaIdx]

+			} else if commaIdx == -1 {

+				key = tag

+			}

+		}

+

+		result[key] = v.Field(i).Interface()

+	}

+

+	return result

+}