Adding upstream version 2.52.6.

Signed-off-by: Daniel Baumann <daniel@debian.org>

middleware/proxy/config.go

@@ -0,0 +1,88 @@
+package proxy
+
+import (
+	"crypto/tls"
+	"time"
+
+	"github.com/gofiber/fiber/v2"
+
+	"github.com/valyala/fasthttp"
+)
+
+// Config defines the config for middleware.
+type Config struct {
+	// Next defines a function to skip this middleware when returned true.
+	//
+	// Optional. Default: nil
+	Next func(c *fiber.Ctx) bool
+
+	// Servers defines a list of <scheme>://<host> HTTP servers,
+	//
+	// which are used in a round-robin manner.
+	// i.e.: "https://foobar.com, http://www.foobar.com"
+	//
+	// Required
+	Servers []string
+
+	// ModifyRequest allows you to alter the request
+	//
+	// Optional. Default: nil
+	ModifyRequest fiber.Handler
+
+	// ModifyResponse allows you to alter the response
+	//
+	// Optional. Default: nil
+	ModifyResponse fiber.Handler
+
+	// Timeout is the request timeout used when calling the proxy client
+	//
+	// Optional. Default: 1 second
+	Timeout time.Duration
+
+	// Per-connection buffer size for requests' reading.
+	// This also limits the maximum header size.
+	// Increase this buffer if your clients send multi-KB RequestURIs
+	// and/or multi-KB headers (for example, BIG cookies).
+	ReadBufferSize int
+
+	// Per-connection buffer size for responses' writing.
+	WriteBufferSize int
+
+	// tls config for the http client.
+	TlsConfig *tls.Config //nolint:stylecheck,revive // TODO: Rename to "TLSConfig" in v3
+
+	// Client is custom client when client config is complex.
+	// Note that Servers, Timeout, WriteBufferSize, ReadBufferSize and TlsConfig
+	// will not be used if the client are set.
+	Client *fasthttp.LBClient
+}
+
+// ConfigDefault is the default config
+var ConfigDefault = Config{
+	Next:           nil,
+	ModifyRequest:  nil,
+	ModifyResponse: nil,
+	Timeout:        fasthttp.DefaultLBClientTimeout,
+}
+
+// configDefault function to set default values
+func configDefault(config ...Config) Config {
+	// Return default config if nothing provided
+	if len(config) < 1 {
+		return ConfigDefault
+	}
+
+	// Override default config
+	cfg := config[0]
+
+	// Set default values
+	if cfg.Timeout <= 0 {
+		cfg.Timeout = ConfigDefault.Timeout
+	}
+
+	// Set default values
+	if len(cfg.Servers) == 0 && cfg.Client == nil {
+		panic("Servers cannot be empty")
+	}
+	return cfg
+}