Update dependencies and remove old matterclient lib (#2067)HEADmaster

9 files changed, 288 insertions, 91 deletions

diff --git a/vendor/github.com/labstack/echo/v4/middleware/basic_auth.go b/vendor/github.com/labstack/echo/v4/middleware/basic_auth.go
index 52ef1042..f9e8caaf 100644
--- a/vendor/github.com/labstack/echo/v4/middleware/basic_auth.go
+++ b/vendor/github.com/labstack/echo/v4/middleware/basic_auth.go
@@ -2,9 +2,9 @@ package middleware
 
 import (
 	"encoding/base64"
+	"net/http"
 	"strconv"
 	"strings"
-	"net/http"
 
 	"github.com/labstack/echo/v4"
 )
diff --git a/vendor/github.com/labstack/echo/v4/middleware/compress.go b/vendor/github.com/labstack/echo/v4/middleware/compress.go
index 9e5f6106..3e9bd320 100644
--- a/vendor/github.com/labstack/echo/v4/middleware/compress.go
+++ b/vendor/github.com/labstack/echo/v4/middleware/compress.go
@@ -2,6 +2,7 @@ package middleware
 
 import (
 	"bufio"
+	"bytes"
 	"compress/gzip"
 	"io"
 	"net"
@@ -21,12 +22,30 @@ type (
 		// Gzip compression level.
 		// Optional. Default value -1.
 		Level int `yaml:"level"`
+
+		// Length threshold before gzip compression is applied.
+		// Optional. Default value 0.
+		//
+		// Most of the time you will not need to change the default. Compressing
+		// a short response might increase the transmitted data because of the
+		// gzip format overhead. Compressing the response will also consume CPU
+		// and time on the server and the client (for decompressing). Depending on
+		// your use case such a threshold might be useful.
+		//
+		// See also:
+		// https://webmasters.stackexchange.com/questions/31750/what-is-recommended-minimum-object-size-for-gzip-performance-benefits
+		MinLength int
 	}
 
 	gzipResponseWriter struct {
 		io.Writer
 		http.ResponseWriter
-		wroteBody bool
+		wroteHeader       bool
+		wroteBody         bool
+		minLength         int
+		minLengthExceeded bool
+		buffer            *bytes.Buffer
+		code              int
 	}
 )
 
@@ -37,8 +56,9 @@ const (
 var (
 	// DefaultGzipConfig is the default Gzip middleware config.
 	DefaultGzipConfig = GzipConfig{
-		Skipper: DefaultSkipper,
-		Level:   -1,
+		Skipper:   DefaultSkipper,
+		Level:     -1,
+		MinLength: 0,
 	}
 )
 
@@ -58,8 +78,12 @@ func GzipWithConfig(config GzipConfig) echo.MiddlewareFunc {
 	if config.Level == 0 {
 		config.Level = DefaultGzipConfig.Level
 	}
+	if config.MinLength < 0 {
+		config.MinLength = DefaultGzipConfig.MinLength
+	}
 
 	pool := gzipCompressPool(config)
+	bpool := bufferPool()
 
 	return func(next echo.HandlerFunc) echo.HandlerFunc {
 		return func(c echo.Context) error {
@@ -70,7 +94,6 @@ func GzipWithConfig(config GzipConfig) echo.MiddlewareFunc {
 			res := c.Response()
 			res.Header().Add(echo.HeaderVary, echo.HeaderAcceptEncoding)
 			if strings.Contains(c.Request().Header.Get(echo.HeaderAcceptEncoding), gzipScheme) {
-				res.Header().Set(echo.HeaderContentEncoding, gzipScheme) // Issue #806
 				i := pool.Get()
 				w, ok := i.(*gzip.Writer)
 				if !ok {
@@ -78,19 +101,38 @@ func GzipWithConfig(config GzipConfig) echo.MiddlewareFunc {
 				}
 				rw := res.Writer
 				w.Reset(rw)
-				grw := &gzipResponseWriter{Writer: w, ResponseWriter: rw}
+
+				buf := bpool.Get().(*bytes.Buffer)
+				buf.Reset()
+
+				grw := &gzipResponseWriter{Writer: w, ResponseWriter: rw, minLength: config.MinLength, buffer: buf}
 				defer func() {
+					// There are different reasons for cases when we have not yet written response to the client and now need to do so.
+					// a) handler response had only response code and no response body (ala 404 or redirects etc). Response code need to be written now.
+					// b) body is shorter than our minimum length threshold and being buffered currently and needs to be written
 					if !grw.wroteBody {
 						if res.Header().Get(echo.HeaderContentEncoding) == gzipScheme {
 							res.Header().Del(echo.HeaderContentEncoding)
 						}
+						if grw.wroteHeader {
+							rw.WriteHeader(grw.code)
+						}
 						// We have to reset response to it's pristine state when
 						// nothing is written to body or error is returned.
 						// See issue #424, #407.
 						res.Writer = rw
 						w.Reset(io.Discard)
+					} else if !grw.minLengthExceeded {
+						// Write uncompressed response
+						res.Writer = rw
+						if grw.wroteHeader {
+							grw.ResponseWriter.WriteHeader(grw.code)
+						}
+						grw.buffer.WriteTo(rw)
+						w.Reset(io.Discard)
 					}
 					w.Close()
+					bpool.Put(buf)
 					pool.Put(w)
 				}()
 				res.Writer = grw
@@ -102,7 +144,11 @@ func GzipWithConfig(config GzipConfig) echo.MiddlewareFunc {
 
 func (w *gzipResponseWriter) WriteHeader(code int) {
 	w.Header().Del(echo.HeaderContentLength) // Issue #444
-	w.ResponseWriter.WriteHeader(code)
+
+	w.wroteHeader = true
+
+	// Delay writing of the header until we know if we'll actually compress the response
+	w.code = code
 }
 
 func (w *gzipResponseWriter) Write(b []byte) (int, error) {
@@ -110,10 +156,40 @@ func (w *gzipResponseWriter) Write(b []byte) (int, error) {
 		w.Header().Set(echo.HeaderContentType, http.DetectContentType(b))
 	}
 	w.wroteBody = true
+
+	if !w.minLengthExceeded {
+		n, err := w.buffer.Write(b)
+
+		if w.buffer.Len() >= w.minLength {
+			w.minLengthExceeded = true
+
+			// The minimum length is exceeded, add Content-Encoding header and write the header
+			w.Header().Set(echo.HeaderContentEncoding, gzipScheme) // Issue #806
+			if w.wroteHeader {
+				w.ResponseWriter.WriteHeader(w.code)
+			}
+
+			return w.Writer.Write(w.buffer.Bytes())
+		}
+
+		return n, err
+	}
+
 	return w.Writer.Write(b)
 }
 
 func (w *gzipResponseWriter) Flush() {
+	if !w.minLengthExceeded {
+		// Enforce compression because we will not know how much more data will come
+		w.minLengthExceeded = true
+		w.Header().Set(echo.HeaderContentEncoding, gzipScheme) // Issue #806
+		if w.wroteHeader {
+			w.ResponseWriter.WriteHeader(w.code)
+		}
+
+		w.Writer.Write(w.buffer.Bytes())
+	}
+
 	w.Writer.(*gzip.Writer).Flush()
 	if flusher, ok := w.ResponseWriter.(http.Flusher); ok {
 		flusher.Flush()
@@ -142,3 +218,12 @@ func gzipCompressPool(config GzipConfig) sync.Pool {
 		},
 	}
 }
+
+func bufferPool() sync.Pool {
+	return sync.Pool{
+		New: func() interface{} {
+			b := &bytes.Buffer{}
+			return b
+		},
+	}
+}
diff --git a/vendor/github.com/labstack/echo/v4/middleware/cors.go b/vendor/github.com/labstack/echo/v4/middleware/cors.go
index 149de347..6ddb540a 100644
--- a/vendor/github.com/labstack/echo/v4/middleware/cors.go
+++ b/vendor/github.com/labstack/echo/v4/middleware/cors.go
@@ -150,8 +150,8 @@ func CORSWithConfig(config CORSConfig) echo.MiddlewareFunc {
 	allowOriginPatterns := []string{}
 	for _, origin := range config.AllowOrigins {
 		pattern := regexp.QuoteMeta(origin)
-		pattern = strings.Replace(pattern, "\\*", ".*", -1)
-		pattern = strings.Replace(pattern, "\\?", ".", -1)
+		pattern = strings.ReplaceAll(pattern, "\\*", ".*")
+		pattern = strings.ReplaceAll(pattern, "\\?", ".")
 		pattern = "^" + pattern + "$"
 		allowOriginPatterns = append(allowOriginPatterns, pattern)
 	}
diff --git a/vendor/github.com/labstack/echo/v4/middleware/decompress.go b/vendor/github.com/labstack/echo/v4/middleware/decompress.go
index 88ec7098..a73c9738 100644
--- a/vendor/github.com/labstack/echo/v4/middleware/decompress.go
+++ b/vendor/github.com/labstack/echo/v4/middleware/decompress.go
@@ -20,7 +20,7 @@ type (
 	}
 )
 
-//GZIPEncoding content-encoding header if set to "gzip", decompress body contents.
+// GZIPEncoding content-encoding header if set to "gzip", decompress body contents.
 const GZIPEncoding string = "gzip"
 
 // Decompressor is used to get the sync.Pool used by the middleware to get Gzip readers
@@ -44,12 +44,12 @@ func (d *DefaultGzipDecompressPool) gzipDecompressPool() sync.Pool {
 	return sync.Pool{New: func() interface{} { return new(gzip.Reader) }}
 }
 
-//Decompress decompresses request body based if content encoding type is set to "gzip" with default config
+// Decompress decompresses request body based if content encoding type is set to "gzip" with default config
 func Decompress() echo.MiddlewareFunc {
 	return DecompressWithConfig(DefaultDecompressConfig)
 }
 
-//DecompressWithConfig decompresses request body based if content encoding type is set to "gzip" with config
+// DecompressWithConfig decompresses request body based if content encoding type is set to "gzip" with config
 func DecompressWithConfig(config DecompressConfig) echo.MiddlewareFunc {
 	// Defaults
 	if config.Skipper == nil {
diff --git a/vendor/github.com/labstack/echo/v4/middleware/middleware.go b/vendor/github.com/labstack/echo/v4/middleware/middleware.go
index f250ca49..664f71f4 100644
--- a/vendor/github.com/labstack/echo/v4/middleware/middleware.go
+++ b/vendor/github.com/labstack/echo/v4/middleware/middleware.go
@@ -38,9 +38,9 @@ func rewriteRulesRegex(rewrite map[string]string) map[*regexp.Regexp]string {
 	rulesRegex := map[*regexp.Regexp]string{}
 	for k, v := range rewrite {
 		k = regexp.QuoteMeta(k)
-		k = strings.Replace(k, `\*`, "(.*?)", -1)
+		k = strings.ReplaceAll(k, `\*`, "(.*?)")
 		if strings.HasPrefix(k, `\^`) {
-			k = strings.Replace(k, `\^`, "^", -1)
+			k = strings.ReplaceAll(k, `\^`, "^")
 		}
 		k = k + "$"
 		rulesRegex[regexp.MustCompile(k)] = v
diff --git a/vendor/github.com/labstack/echo/v4/middleware/proxy.go b/vendor/github.com/labstack/echo/v4/middleware/proxy.go
index d2cd2aa6..e4f98d9e 100644
--- a/vendor/github.com/labstack/echo/v4/middleware/proxy.go
+++ b/vendor/github.com/labstack/echo/v4/middleware/proxy.go
@@ -12,7 +12,6 @@ import (
 	"regexp"
 	"strings"
 	"sync"
-	"sync/atomic"
 	"time"
 
 	"github.com/labstack/echo/v4"
@@ -30,6 +29,33 @@ type (
 		// Required.
 		Balancer ProxyBalancer
 
+		// RetryCount defines the number of times a failed proxied request should be retried
+		// using the next available ProxyTarget. Defaults to 0, meaning requests are never retried.
+		RetryCount int
+
+		// RetryFilter defines a function used to determine if a failed request to a
+		// ProxyTarget should be retried. The RetryFilter will only be called when the number
+		// of previous retries is less than RetryCount. If the function returns true, the
+		// request will be retried. The provided error indicates the reason for the request
+		// failure. When the ProxyTarget is unavailable, the error will be an instance of
+		// echo.HTTPError with a Code of http.StatusBadGateway. In all other cases, the error
+		// will indicate an internal error in the Proxy middleware. When a RetryFilter is not
+		// specified, all requests that fail with http.StatusBadGateway will be retried. A custom
+		// RetryFilter can be provided to only retry specific requests. Note that RetryFilter is
+		// only called when the request to the target fails, or an internal error in the Proxy
+		// middleware has occurred. Successful requests that return a non-200 response code cannot
+		// be retried.
+		RetryFilter func(c echo.Context, e error) bool
+
+		// ErrorHandler defines a function which can be used to return custom errors from
+		// the Proxy middleware. ErrorHandler is only invoked when there has been
+		// either an internal error in the Proxy middleware or the ProxyTarget is
+		// unavailable. Due to the way requests are proxied, ErrorHandler is not invoked
+		// when a ProxyTarget returns a non-200 response. In these cases, the response
+		// is already written so errors cannot be modified. ErrorHandler is only
+		// invoked after all retry attempts have been exhausted.
+		ErrorHandler func(c echo.Context, err error) error
+
 		// Rewrite defines URL path rewrite rules. The values captured in asterisk can be
 		// retrieved by index e.g. $1, $2 and so on.
 		// Examples:
@@ -72,26 +98,28 @@ type (
 		Next(echo.Context) *ProxyTarget
 	}
 
-	// TargetProvider defines an interface that gives the opportunity for balancer to return custom errors when selecting target.
+	// TargetProvider defines an interface that gives the opportunity for balancer
+	// to return custom errors when selecting target.
 	TargetProvider interface {
 		NextTarget(echo.Context) (*ProxyTarget, error)
 	}
 
 	commonBalancer struct {
 		targets []*ProxyTarget
-		mutex   sync.RWMutex
+		mutex   sync.Mutex
 	}
 
 	// RandomBalancer implements a random load balancing technique.
 	randomBalancer struct {
-		*commonBalancer
+		commonBalancer
 		random *rand.Rand
 	}
 
 	// RoundRobinBalancer implements a round-robin load balancing technique.
 	roundRobinBalancer struct {
-		*commonBalancer
-		i uint32
+		commonBalancer
+		// tracking the index on `targets` slice for the next `*ProxyTarget` to be used
+		i int
 	}
 )
 
@@ -107,14 +135,14 @@ func proxyRaw(t *ProxyTarget, c echo.Context) http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		in, _, err := c.Response().Hijack()
 		if err != nil {
-			c.Set("_error", fmt.Sprintf("proxy raw, hijack error=%v, url=%s", t.URL, err))
+			c.Set("_error", fmt.Errorf("proxy raw, hijack error=%w, url=%s", err, t.URL))
 			return
 		}
 		defer in.Close()
 
 		out, err := net.Dial("tcp", t.URL.Host)
 		if err != nil {
-			c.Set("_error", echo.NewHTTPError(http.StatusBadGateway, fmt.Sprintf("proxy raw, dial error=%v, url=%s", t.URL, err)))
+			c.Set("_error", echo.NewHTTPError(http.StatusBadGateway, fmt.Sprintf("proxy raw, dial error=%v, url=%s", err, t.URL)))
 			return
 		}
 		defer out.Close()
@@ -122,7 +150,7 @@ func proxyRaw(t *ProxyTarget, c echo.Context) http.Handler {
 		// Write header
 		err = r.Write(out)
 		if err != nil {
-			c.Set("_error", echo.NewHTTPError(http.StatusBadGateway, fmt.Sprintf("proxy raw, request header copy error=%v, url=%s", t.URL, err)))
+			c.Set("_error", echo.NewHTTPError(http.StatusBadGateway, fmt.Sprintf("proxy raw, request header copy error=%v, url=%s", err, t.URL)))
 			return
 		}
 
@@ -136,39 +164,44 @@ func proxyRaw(t *ProxyTarget, c echo.Context) http.Handler {
 		go cp(in, out)
 		err = <-errCh
 		if err != nil && err != io.EOF {
-			c.Set("_error", fmt.Errorf("proxy raw, copy body error=%v, url=%s", t.URL, err))
+			c.Set("_error", fmt.Errorf("proxy raw, copy body error=%w, url=%s", err, t.URL))
 		}
 	})
 }
 
 // NewRandomBalancer returns a random proxy balancer.
 func NewRandomBalancer(targets []*ProxyTarget) ProxyBalancer {
-	b := &randomBalancer{commonBalancer: new(commonBalancer)}
+	b := randomBalancer{}
 	b.targets = targets
-	return b
+	b.random = rand.New(rand.NewSource(int64(time.Now().Nanosecond())))
+	return &b
 }
 
 // NewRoundRobinBalancer returns a round-robin proxy balancer.
 func NewRoundRobinBalancer(targets []*ProxyTarget) ProxyBalancer {
-	b := &roundRobinBalancer{commonBalancer: new(commonBalancer)}
+	b := roundRobinBalancer{}
 	b.targets = targets
-	return b
+	return &b
 }
 
-// AddTarget adds an upstream target to the list.
+// AddTarget adds an upstream target to the list and returns `true`.
+//
+// However, if a target with the same name already exists then the operation is aborted returning `false`.
 func (b *commonBalancer) AddTarget(target *ProxyTarget) bool {
+	b.mutex.Lock()
+	defer b.mutex.Unlock()
 	for _, t := range b.targets {
 		if t.Name == target.Name {
 			return false
 		}
 	}
-	b.mutex.Lock()
-	defer b.mutex.Unlock()
 	b.targets = append(b.targets, target)
 	return true
 }
 
-// RemoveTarget removes an upstream target from the list.
+// RemoveTarget removes an upstream target from the list by name.
+//
+// Returns `true` on success, `false` if no target with the name is found.
 func (b *commonBalancer) RemoveTarget(name string) bool {
 	b.mutex.Lock()
 	defer b.mutex.Unlock()
@@ -182,21 +215,58 @@ func (b *commonBalancer) RemoveTarget(name string) bool {
 }
 
 // Next randomly returns an upstream target.
+//
+// Note: `nil` is returned in case upstream target list is empty.
 func (b *randomBalancer) Next(c echo.Context) *ProxyTarget {
-	if b.random == nil {
-		b.random = rand.New(rand.NewSource(int64(time.Now().Nanosecond())))
+	b.mutex.Lock()
+	defer b.mutex.Unlock()
+	if len(b.targets) == 0 {
+		return nil
+	} else if len(b.targets) == 1 {
+		return b.targets[0]
 	}
-	b.mutex.RLock()
-	defer b.mutex.RUnlock()
 	return b.targets[b.random.Intn(len(b.targets))]
 }
 
-// Next returns an upstream target using round-robin technique.
+// Next returns an upstream target using round-robin technique. In the case
+// where a previously failed request is being retried, the round-robin
+// balancer will attempt to use the next target relative to the original
+// request. If the list of targets held by the balancer is modified while a
+// failed request is being retried, it is possible that the balancer will
+// return the original failed target.
+//
+// Note: `nil` is returned in case upstream target list is empty.
 func (b *roundRobinBalancer) Next(c echo.Context) *ProxyTarget {
-	b.i = b.i % uint32(len(b.targets))
-	t := b.targets[b.i]
-	atomic.AddUint32(&b.i, 1)
-	return t
+	b.mutex.Lock()
+	defer b.mutex.Unlock()
+	if len(b.targets) == 0 {
+		return nil
+	} else if len(b.targets) == 1 {
+		return b.targets[0]
+	}
+
+	var i int
+	const lastIdxKey = "_round_robin_last_index"
+	// This request is a retry, start from the index of the previous
+	// target to ensure we don't attempt to retry the request with
+	// the same failed target
+	if c.Get(lastIdxKey) != nil {
+		i = c.Get(lastIdxKey).(int)
+		i++
+		if i >= len(b.targets) {
+			i = 0
+		}
+	} else {
+		// This is a first time request, use the global index
+		if b.i >= len(b.targets) {
+			b.i = 0
+		}
+		i = b.i
+		b.i++
+	}
+
+	c.Set(lastIdxKey, i)
+	return b.targets[i]
 }
 
 // Proxy returns a Proxy middleware.
@@ -211,14 +281,26 @@ func Proxy(balancer ProxyBalancer) echo.MiddlewareFunc {
 // ProxyWithConfig returns a Proxy middleware with config.
 // See: `Proxy()`
 func ProxyWithConfig(config ProxyConfig) echo.MiddlewareFunc {
+	if config.Balancer == nil {
+		panic("echo: proxy middleware requires balancer")
+	}
 	// Defaults
 	if config.Skipper == nil {
 		config.Skipper = DefaultProxyConfig.Skipper
 	}
-	if config.Balancer == nil {
-		panic("echo: proxy middleware requires balancer")
+	if config.RetryFilter == nil {
+		config.RetryFilter = func(c echo.Context, e error) bool {
+			if httpErr, ok := e.(*echo.HTTPError); ok {
+				return httpErr.Code == http.StatusBadGateway
+			}
+			return false
+		}
+	}
+	if config.ErrorHandler == nil {
+		config.ErrorHandler = func(c echo.Context, err error) error {
+			return err
+		}
 	}
-
 	if config.Rewrite != nil {
 		if config.RegexRewrite == nil {
 			config.RegexRewrite = make(map[*regexp.Regexp]string)
@@ -229,28 +311,17 @@ func ProxyWithConfig(config ProxyConfig) echo.MiddlewareFunc {
 	}
 
 	provider, isTargetProvider := config.Balancer.(TargetProvider)
+
 	return func(next echo.HandlerFunc) echo.HandlerFunc {
-		return func(c echo.Context) (err error) {
+		return func(c echo.Context) error {
 			if config.Skipper(c) {
 				return next(c)
 			}
 
 			req := c.Request()
 			res := c.Response()
-
-			var tgt *ProxyTarget
-			if isTargetProvider {
-				tgt, err = provider.NextTarget(c)
-				if err != nil {
-					return err
-				}
-			} else {
-				tgt = config.Balancer.Next(c)
-			}
-			c.Set(config.ContextKey, tgt)
-
 			if err := rewriteURL(config.RegexRewrite, req); err != nil {
-				return err
+				return config.ErrorHandler(c, err)
 			}
 
 			// Fix header
@@ -266,19 +337,49 @@ func ProxyWithConfig(config ProxyConfig) echo.MiddlewareFunc {
 				req.Header.Set(echo.HeaderXForwardedFor, c.RealIP())
 			}
 
-			// Proxy
-			switch {
-			case c.IsWebSocket():
-				proxyRaw(tgt, c).ServeHTTP(res, req)
-			case req.Header.Get(echo.HeaderAccept) == "text/event-stream":
-			default:
-				proxyHTTP(tgt, c, config).ServeHTTP(res, req)
-			}
-			if e, ok := c.Get("_error").(error); ok {
-				err = e
-			}
+			retries := config.RetryCount
+			for {
+				var tgt *ProxyTarget
+				var err error
+				if isTargetProvider {
+					tgt, err = provider.NextTarget(c)
+					if err != nil {
+						return config.ErrorHandler(c, err)
+					}
+				} else {
+					tgt = config.Balancer.Next(c)
+				}
 
-			return
+				c.Set(config.ContextKey, tgt)
+
+				//If retrying a failed request, clear any previous errors from
+				//context here so that balancers have the option to check for
+				//errors that occurred using previous target
+				if retries < config.RetryCount {
+					c.Set("_error", nil)
+				}
+
+				// Proxy
+				switch {
+				case c.IsWebSocket():
+					proxyRaw(tgt, c).ServeHTTP(res, req)
+				case req.Header.Get(echo.HeaderAccept) == "text/event-stream":
+				default:
+					proxyHTTP(tgt, c, config).ServeHTTP(res, req)
+				}
+
+				err, hasError := c.Get("_error").(error)
+				if !hasError {
+					return nil
+				}
+
+				retry := retries > 0 && config.RetryFilter(c, err)
+				if !retry {
+					return config.ErrorHandler(c, err)
+				}
+
+				retries--
+			}
 		}
 	}
 }
diff --git a/vendor/github.com/labstack/echo/v4/middleware/rate_limiter.go b/vendor/github.com/labstack/echo/v4/middleware/rate_limiter.go
index f7fae83c..1d24df52 100644
--- a/vendor/github.com/labstack/echo/v4/middleware/rate_limiter.go
+++ b/vendor/github.com/labstack/echo/v4/middleware/rate_limiter.go
@@ -160,6 +160,8 @@ type (
 		burst       int
 		expiresIn   time.Duration
 		lastCleanup time.Time
+
+		timeNow func() time.Time
 	}
 	// Visitor signifies a unique user's limiter details
 	Visitor struct {
@@ -219,7 +221,8 @@ func NewRateLimiterMemoryStoreWithConfig(config RateLimiterMemoryStoreConfig) (s
 		store.burst = int(config.Rate)
 	}
 	store.visitors = make(map[string]*Visitor)
-	store.lastCleanup = now()
+	store.timeNow = time.Now
+	store.lastCleanup = store.timeNow()
 	return
 }
 
@@ -244,12 +247,13 @@ func (store *RateLimiterMemoryStore) Allow(identifier string) (bool, error) {
 		limiter.Limiter = rate.NewLimiter(store.rate, store.burst)
 		store.visitors[identifier] = limiter
 	}
-	limiter.lastSeen = now()
-	if now().Sub(store.lastCleanup) > store.expiresIn {
+	now := store.timeNow()
+	limiter.lastSeen = now
+	if now.Sub(store.lastCleanup) > store.expiresIn {
 		store.cleanupStaleVisitors()
 	}
 	store.mutex.Unlock()
-	return limiter.AllowN(now(), 1), nil
+	return limiter.AllowN(store.timeNow(), 1), nil
 }
 
 /*
@@ -258,14 +262,9 @@ of users who haven't visited again after the configured expiry time has elapsed
 */
 func (store *RateLimiterMemoryStore) cleanupStaleVisitors() {
 	for id, visitor := range store.visitors {
-		if now().Sub(visitor.lastSeen) > store.expiresIn {
+		if store.timeNow().Sub(visitor.lastSeen) > store.expiresIn {
 			delete(store.visitors, id)
 		}
 	}
-	store.lastCleanup = now()
+	store.lastCleanup = store.timeNow()
 }
-
-/*
-actual time method which is mocked in test file
-*/
-var now = time.Now
diff --git a/vendor/github.com/labstack/echo/v4/middleware/recover.go b/vendor/github.com/labstack/echo/v4/middleware/recover.go
index 7b612853..0466cfe5 100644
--- a/vendor/github.com/labstack/echo/v4/middleware/recover.go
+++ b/vendor/github.com/labstack/echo/v4/middleware/recover.go
@@ -37,19 +37,26 @@ type (
 
 		// LogErrorFunc defines a function for custom logging in the middleware.
 		// If it's set you don't need to provide LogLevel for config.
+		// If this function returns nil, the centralized HTTPErrorHandler will not be called.
 		LogErrorFunc LogErrorFunc
+
+		// DisableErrorHandler disables the call to centralized HTTPErrorHandler.
+		// The recovered error is then passed back to upstream middleware, instead of swallowing the error.
+		// Optional. Default value false.
+		DisableErrorHandler bool `yaml:"disable_error_handler"`
 	}
 )
 
 var (
 	// DefaultRecoverConfig is the default Recover middleware config.
 	DefaultRecoverConfig = RecoverConfig{
-		Skipper:           DefaultSkipper,
-		StackSize:         4 << 10, // 4 KB
-		DisableStackAll:   false,
-		DisablePrintStack: false,
-		LogLevel:          0,
-		LogErrorFunc:      nil,
+		Skipper:             DefaultSkipper,
+		StackSize:           4 << 10, // 4 KB
+		DisableStackAll:     false,
+		DisablePrintStack:   false,
+		LogLevel:            0,
+		LogErrorFunc:        nil,
+		DisableErrorHandler: false,
 	}
 )
 
@@ -71,7 +78,7 @@ func RecoverWithConfig(config RecoverConfig) echo.MiddlewareFunc {
 	}
 
 	return func(next echo.HandlerFunc) echo.HandlerFunc {
-		return func(c echo.Context) error {
+		return func(c echo.Context) (returnErr error) {
 			if config.Skipper(c) {
 				return next(c)
 			}
@@ -113,7 +120,12 @@ func RecoverWithConfig(config RecoverConfig) echo.MiddlewareFunc {
 							c.Logger().Print(msg)
 						}
 					}
-					c.Error(err)
+
+					if err != nil && !config.DisableErrorHandler {
+						c.Error(err)
+					} else {
+						returnErr = err
+					}
 				}
 			}()
 			return next(c)
diff --git a/vendor/github.com/labstack/echo/v4/middleware/request_logger.go b/vendor/github.com/labstack/echo/v4/middleware/request_logger.go
index b9e36925..ce76230c 100644
--- a/vendor/github.com/labstack/echo/v4/middleware/request_logger.go
+++ b/vendor/github.com/labstack/echo/v4/middleware/request_logger.go
@@ -225,7 +225,7 @@ func (config RequestLoggerConfig) ToMiddleware() (echo.MiddlewareFunc, error) {
 	if config.Skipper == nil {
 		config.Skipper = DefaultSkipper
 	}
-	now = time.Now
+	now := time.Now
 	if config.timeNow != nil {
 		now = config.timeNow
 	}
@@ -257,7 +257,7 @@ func (config RequestLoggerConfig) ToMiddleware() (echo.MiddlewareFunc, error) {
 				config.BeforeNextFunc(c)
 			}
 			err := next(c)
-			if config.HandleError {
+			if err != nil && config.HandleError {
 				c.Error(err)
 			}