fix(upload): add config option to solve request entity too large issue (

#834)

conf/artalk.example.simple.yml

@@ -18,6 +18,8 @@ db:
   charset: utf8mb4
   ssl: false
   prepare_stmt: true
+http:
+  body_limit: 100
 log:
   enabled: true
   filename: ./data/artalk.log

conf/artalk.example.yml

@@ -50,6 +50,10 @@ db:
   # Prepared Statement
   prepare_stmt: true
 
+# Web server
+http:
+  # Body size limit (unit: MB)
+  body_limit: 100
 # Logging
 log:
   # Enable logging

conf/artalk.example.zh-CN.yml

@@ -47,6 +47,10 @@ db:
   # 预编译语句
   prepare_stmt: true
 
+# 服务器
+http:
+  # 请求体大小限制 (单位：MB)
+  body_limit: 100
 # 日志
 log:
   # 启用日志

internal/config/base.go

@@ -124,6 +124,11 @@ func (conf *Config) normalPatch() {
 		conf.ImgUpload.Path = "./data/artalk-img/"
 		log.Warn("[Image Upload] img_upload.path is not configured, using the default value: " + strconv.Quote(conf.ImgUpload.Path))
 	}
+
+	// HTTP 配置默认值
+	if conf.HTTP.BodyLimit <= 0 {
+		conf.HTTP.BodyLimit = 100
+	}
 }
 
 // 多语言配置修补

internal/config/config.go

@@ -14,6 +14,7 @@ type Config struct {
 	Host           string                 `koanf:"host" json:"host"`                       // HTTP Server 监听 IP
 	Port           int                    `koanf:"port" json:"port"`                       // HTTP Server 监听 Port
 	DB             DBConf                 `koanf:"db" json:"db"`                           // 数据库配置
+	HTTP           HTTPConf               `koanf:"http" json:"http"`                       // HTTP 配置
 	Cache          CacheConf              `koanf:"cache" json:"cache"`                     // 缓存
 	Log            LogConf                `koanf:"log" json:"log"`                         // 日志文件
 	TrustedDomains []string               `koanf:"trusted_domains" json:"trusted_domains"` // 可信任的域名 (新)
@@ -42,6 +43,18 @@ type Config struct {
 	cfgFile string
 }
 
+type HTTPConf struct {
+	BodyLimit   int     `koanf:"body_limit" json:"body_limit"`     // 请求体大小限制 MB
+	ProxyHeader *string `koanf:"proxy_header" json:"proxy_header"` // 代理头
+}
+
+func (c *HTTPConf) GetProxyHeader() string {
+	if c.ProxyHeader == nil {
+		return ""
+	}
+	return *c.ProxyHeader
+}
+
 type DBConf struct {
 	Type DBType `koanf:"type" json:"type"`
 	Dsn  string `koanf:"dsn" json:"dsn"` // 最高优先级

server/server.go

@@ -48,11 +48,10 @@ func Serve(app *core.App) (*fiber.App, error) {
 		// @see https://github.com/gofiber/fiber/issues/185
 		Immutable: true,
 
-		// TODO add config to set ProxyHeader
-		ProxyHeader:        "X-Forwarded-For",
+		ErrorHandler:       common.ErrorHandler,
+		BodyLimit:          app.Conf().HTTP.BodyLimit * 1024 * 1024, // MB
+		StreamRequestBody:  true,
 		EnableIPValidation: true,
-
-		ErrorHandler: common.ErrorHandler,
 	})
 
 	reqID(fb)