package sign import ( "github.com/gofiber/fiber/v2" "regexp" "strings" ) type RequestTransformer struct { ModifyRequest func(options any, ctx *fiber.Ctx) ModifyResponse func(options any, ctx *fiber.Ctx) } type RequestTransformerConfig struct { Type string `json:"type"` Options any `json:"options"` } func (v *RequestTransformerConfig) TransformRequest(ctx *fiber.Ctx) { for k, f := range Transformers { if k == v.Type { if f.ModifyRequest != nil { f.ModifyRequest(v.Options, ctx) } break } } } func (v *RequestTransformerConfig) TransformResponse(ctx *fiber.Ctx) { for k, f := range Transformers { if k == v.Type { if f.ModifyResponse != nil { f.ModifyResponse(v.Options, ctx) } break } } } var Transformers = map[string]RequestTransformer{ "replacePath": { ModifyRequest: func(options any, ctx *fiber.Ctx) { opts := DeserializeOptions[struct { Pattern string `json:"pattern"` Value string `json:"value"` Repl string `json:"repl"` // Use when complex mode(regexp) enabled Complex bool `json:"complex"` }](options) path := string(ctx.Request().URI().Path()) if !opts.Complex { ctx.Path(strings.ReplaceAll(path, opts.Pattern, opts.Value)) } else if ex := regexp.MustCompile(opts.Pattern); ex != nil { ctx.Path(ex.ReplaceAllString(path, opts.Repl)) } }, }, }