Update direct dependencies where possible

23 files changed, 318 insertions, 272 deletions

diff --git a/vendor/github.com/labstack/echo/.travis.yml b/vendor/github.com/labstack/echo/.travis.yml
index 951c2d39..05e53b16 100644
--- a/vendor/github.com/labstack/echo/.travis.yml
+++ b/vendor/github.com/labstack/echo/.travis.yml
@@ -1,7 +1,7 @@
 language: go
 go:
-  - 1.8.x
   - 1.9.x
+  - 1.10.x
   - tip
 install:
   - make dependency
diff --git a/vendor/github.com/labstack/echo/Gopkg.lock b/vendor/github.com/labstack/echo/Gopkg.lock
index 272aaa52..f3c3b8d2 100644
--- a/vendor/github.com/labstack/echo/Gopkg.lock
+++ b/vendor/github.com/labstack/echo/Gopkg.lock
@@ -10,26 +10,26 @@
 [[projects]]
   name = "github.com/dgrijalva/jwt-go"
   packages = ["."]
-  revision = "d2709f9f1f31ebcda9651b03077758c1f3a0018c"
-  version = "v3.0.0"
+  revision = "06ea1031745cb8b3dab3f6a236daf2b0aa468b7e"
+  version = "v3.2.0"
 
 [[projects]]
   name = "github.com/labstack/gommon"
   packages = ["bytes","color","log","random"]
-  revision = "1121fd3e243c202482226a7afe4dcd07ffc4139a"
-  version = "v0.2.1"
+  revision = "6fe1405d73ec4bd4cd8a4ac8e2a2b2bf95d03954"
+  version = "0.2.4"
 
 [[projects]]
   name = "github.com/mattn/go-colorable"
   packages = ["."]
-  revision = "d228849504861217f796da67fae4f6e347643f15"
-  version = "v0.0.7"
+  revision = "167de6bfdfba052fa6b2d3664c8f5272e23c9072"
+  version = "v0.0.9"
 
 [[projects]]
   name = "github.com/mattn/go-isatty"
   packages = ["."]
-  revision = "fc9e8d8ef48496124e79ae0df75490096eccf6fe"
-  version = "v0.0.2"
+  revision = "0360b2af4f38e8d38c7fce2a9f4e702702d73a39"
+  version = "v0.0.3"
 
 [[projects]]
   name = "github.com/pmezard/go-difflib"
@@ -40,8 +40,8 @@
 [[projects]]
   name = "github.com/stretchr/testify"
   packages = ["assert"]
-  revision = "69483b4bd14f5845b5a1e55bca19e954e827f1d0"
-  version = "v1.1.4"
+  revision = "12b6f73e6084dad08a7c6e575284b177ecafbc71"
+  version = "v1.2.1"
 
 [[projects]]
   branch = "master"
@@ -59,17 +59,17 @@
   branch = "master"
   name = "golang.org/x/crypto"
   packages = ["acme","acme/autocert"]
-  revision = "e1a4589e7d3ea14a3352255d04b6f1a418845e5e"
+  revision = "182114d582623c1caa54f73de9c7224e23a48487"
 
 [[projects]]
   branch = "master"
   name = "golang.org/x/sys"
   packages = ["unix"]
-  revision = "b90f89a1e7a9c1f6b918820b3daa7f08488c8594"
+  revision = "c28acc882ebcbfbe8ce9f0f14b9ac26ee138dd51"
 
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
-  inputs-digest = "5f74a2a2ba5b07475ad0faa1b4c021b973ad40b2ae749e3d94e15fe839bb440e"
+  inputs-digest = "9c7b45e80fe353405800cf01f429b3a203cfb8d4468a04c64a908e11a98ea764"
   solver-name = "gps-cdcl"
   solver-version = 1
diff --git a/vendor/github.com/labstack/echo/Gopkg.toml b/vendor/github.com/labstack/echo/Gopkg.toml
index a24f61b9..61de60cb 100644
--- a/vendor/github.com/labstack/echo/Gopkg.toml
+++ b/vendor/github.com/labstack/echo/Gopkg.toml
@@ -1,82 +1,37 @@
 
-## Gopkg.toml example (these lines may be deleted)
-
-## "metadata" defines metadata about the project that could be used by other independent
-## systems. The metadata defined here will be ignored by dep.
-# [metadata]
-# key1 = "value that convey data to other systems"
-# system1-data = "value that is used by a system"
-# system2-data = "value that is used by another system"
-
-## "required" lists a set of packages (not projects) that must be included in
-## Gopkg.lock. This list is merged with the set of packages imported by the current
-## project. Use it when your project needs a package it doesn't explicitly import -
-## including "main" packages.
-# required = ["github.com/user/thing/cmd/thing"]
-
-## "ignored" lists a set of packages (not projects) that are ignored when
-## dep statically analyzes source code. Ignored packages can be in this project,
-## or in a dependency.
-# ignored = ["github.com/user/project/badpkg"]
-
-## Constraints are rules for how directly imported projects
-## may be incorporated into the depgraph. They are respected by
-## dep whether coming from the Gopkg.toml of the current project or a dependency.
-# [[constraint]]
-## Required: the root import path of the project being constrained.
-# name = "github.com/user/project"
+# Gopkg.toml example
 #
-## Recommended: the version constraint to enforce for the project.
-## Only one of "branch", "version" or "revision" can be specified.
-# version = "1.0.0"
-# branch = "master"
-# revision = "abc123"
+# Refer to https://github.com/golang/dep/blob/master/docs/Gopkg.toml.md
+# for detailed Gopkg.toml documentation.
 #
-## Optional: an alternate location (URL or import path) for the project's source.
-# source = "https://github.com/myfork/package.git"
+# required = ["github.com/user/thing/cmd/thing"]
+# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
 #
-## "metadata" defines metadata about the dependency or override that could be used
-## by other independent systems. The metadata defined here will be ignored by dep.
-# [metadata]
-# key1 = "value that convey data to other systems"
-# system1-data = "value that is used by a system"
-# system2-data = "value that is used by another system"
-
-## Overrides have the same structure as [[constraint]], but supersede all
-## [[constraint]] declarations from all projects. Only [[override]] from
-## the current project's are applied.
-##
-## Overrides are a sledgehammer. Use them only as a last resort.
-# [[override]]
-## Required: the root import path of the project being constrained.
-# name = "github.com/user/project"
+# [[constraint]]
+#   name = "github.com/user/project"
+#   version = "1.0.0"
 #
-## Optional: specifying a version constraint override will cause all other
-## constraints on this project to be ignored; only the overridden constraint
-## need be satisfied.
-## Again, only one of "branch", "version" or "revision" can be specified.
-# version = "1.0.0"
-# branch = "master"
-# revision = "abc123"
+# [[constraint]]
+#   name = "github.com/user/project2"
+#   branch = "dev"
+#   source = "github.com/myfork/project2"
 #
-## Optional: specifying an alternate source location as an override will
-## enforce that the alternate location is used for that project, regardless of
-## what source location any dependent projects specify.
-# source = "https://github.com/myfork/package.git"
-
+# [[override]]
+#  name = "github.com/x/y"
+#  version = "2.4.0"
 
 
 [[constraint]]
   name = "github.com/dgrijalva/jwt-go"
-  version = "3.0.0"
+  version = "3.2.0"
 
 [[constraint]]
   name = "github.com/labstack/gommon"
-  version = "0.2.1"
+  version = "0.2.4"
 
 [[constraint]]
   name = "github.com/stretchr/testify"
-  version = "1.1.4"
+  version = "1.2.1"
 
 [[constraint]]
   branch = "master"
@@ -84,4 +39,4 @@
 
 [[constraint]]
   branch = "master"
-  name = "golang.org/x/crypto"
+  name = "golang.org/x/crypto"
\ No newline at end of file
diff --git a/vendor/github.com/labstack/echo/Makefile b/vendor/github.com/labstack/echo/Makefile
index 3952d7bd..494667d8 100644
--- a/vendor/github.com/labstack/echo/Makefile
+++ b/vendor/github.com/labstack/echo/Makefile
@@ -11,3 +11,7 @@ test:
 		go test -race -coverprofile=profile.out -covermode=atomic $$d || exit 1; \
 		[ -f profile.out ] && cat profile.out >> coverage.txt && rm profile.out; \
 	done
+
+tag:
+	@git tag `grep -P '^\tversion = ' echo.go|cut -f2 -d'"'`
+	@git tag|grep -v ^v
diff --git a/vendor/github.com/labstack/echo/README.md b/vendor/github.com/labstack/echo/README.md
index d840f343..0f609df4 100644
--- a/vendor/github.com/labstack/echo/README.md
+++ b/vendor/github.com/labstack/echo/README.md
@@ -26,9 +26,13 @@
 - Automatic TLS via Let’s Encrypt
 - HTTP/2 support
 
-## Performance
+## Benchmarks
 
-<img src="https://api.labstack.com/chart/bar?values=20015,39584,7282,11276&labels=Static,GitHub%20API,Parse%20API,Google%20Plus%20API&x_title=Route&y_title=Time%20(ns/op)&colors=c&dpi=100">
+Date: 2018/03/15<br>
+Source: https://github.com/vishr/web-framework-benchmark<br>
+Lower is better!
+
+<img src="https://api.labstack.com/chart/bar?values=37223,55382,2985,5265|42013,59865,3350,6424&labels=Static,GitHub%20API,Parse%20API,Gplus%20API&titles=Echo,Gin&colors=lightseagreen,goldenrod&x_title=Routes&y_title=ns/op">
 
 ## [Guide](https://echo.labstack.com/guide)
 
diff --git a/vendor/github.com/labstack/echo/bind.go b/vendor/github.com/labstack/echo/bind.go
index 186bd83d..38e07150 100644
--- a/vendor/github.com/labstack/echo/bind.go
+++ b/vendor/github.com/labstack/echo/bind.go
@@ -80,7 +80,7 @@ func (b *DefaultBinder) bindData(ptr interface{}, data map[string][]string, tag
 	val := reflect.ValueOf(ptr).Elem()
 
 	if typ.Kind() != reflect.Struct {
-		return errors.New("Binding element must be a struct")
+		return errors.New("binding element must be a struct")
 	}
 
 	for i := 0; i < typ.NumField(); i++ {
diff --git a/vendor/github.com/labstack/echo/context.go b/vendor/github.com/labstack/echo/context.go
index 39801f00..cf780c51 100644
--- a/vendor/github.com/labstack/echo/context.go
+++ b/vendor/github.com/labstack/echo/context.go
@@ -206,6 +206,13 @@ const (
 	indexPage     = "index.html"
 )
 
+func (c *context) writeContentType(value string) {
+	header := c.Response().Header()
+	if header.Get(HeaderContentType) == "" {
+		header.Set(HeaderContentType, value)
+	}
+}
+
 func (c *context) Request() *http.Request {
 	return c.request
 }
@@ -430,7 +437,7 @@ func (c *context) JSONP(code int, callback string, i interface{}) (err error) {
 }
 
 func (c *context) JSONPBlob(code int, callback string, b []byte) (err error) {
-	c.response.Header().Set(HeaderContentType, MIMEApplicationJavaScriptCharsetUTF8)
+	c.writeContentType(MIMEApplicationJavaScriptCharsetUTF8)
 	c.response.WriteHeader(code)
 	if _, err = c.response.Write([]byte(callback + "(")); err != nil {
 		return
@@ -463,7 +470,7 @@ func (c *context) XMLPretty(code int, i interface{}, indent string) (err error)
 }
 
 func (c *context) XMLBlob(code int, b []byte) (err error) {
-	c.response.Header().Set(HeaderContentType, MIMEApplicationXMLCharsetUTF8)
+	c.writeContentType(MIMEApplicationXMLCharsetUTF8)
 	c.response.WriteHeader(code)
 	if _, err = c.response.Write([]byte(xml.Header)); err != nil {
 		return
@@ -473,14 +480,14 @@ func (c *context) XMLBlob(code int, b []byte) (err error) {
 }
 
 func (c *context) Blob(code int, contentType string, b []byte) (err error) {
-	c.response.Header().Set(HeaderContentType, contentType)
+	c.writeContentType(contentType)
 	c.response.WriteHeader(code)
 	_, err = c.response.Write(b)
 	return
 }
 
 func (c *context) Stream(code int, contentType string, r io.Reader) (err error) {
-	c.response.Header().Set(HeaderContentType, contentType)
+	c.writeContentType(contentType)
 	c.response.WriteHeader(code)
 	_, err = io.Copy(c.response, r)
 	return
@@ -509,18 +516,17 @@ func (c *context) File(file string) (err error) {
 	return
 }
 
-func (c *context) Attachment(file, name string) (err error) {
+func (c *context) Attachment(file, name string) error {
 	return c.contentDisposition(file, name, "attachment")
 }
 
-func (c *context) Inline(file, name string) (err error) {
+func (c *context) Inline(file, name string) error {
 	return c.contentDisposition(file, name, "inline")
 }
 
-func (c *context) contentDisposition(file, name, dispositionType string) (err error) {
+func (c *context) contentDisposition(file, name, dispositionType string) error {
 	c.response.Header().Set(HeaderContentDisposition, fmt.Sprintf("%s; filename=%q", dispositionType, name))
-	c.File(file)
-	return
+	return c.File(file)
 }
 
 func (c *context) NoContent(code int) error {
diff --git a/vendor/github.com/labstack/echo/echo.go b/vendor/github.com/labstack/echo/echo.go
index 4a54b31a..41ac6b5e 100644
--- a/vendor/github.com/labstack/echo/echo.go
+++ b/vendor/github.com/labstack/echo/echo.go
@@ -38,6 +38,7 @@ package echo
 
 import (
 	"bytes"
+	stdContext "context"
 	"crypto/tls"
 	"errors"
 	"fmt"
@@ -45,6 +46,7 @@ import (
 	stdLog "log"
 	"net"
 	"net/http"
+	"net/url"
 	"path"
 	"path/filepath"
 	"reflect"
@@ -81,8 +83,7 @@ type (
 		Binder           Binder
 		Validator        Validator
 		Renderer         Renderer
-		// Mutex            sync.RWMutex
-		Logger Logger
+		Logger           Logger
 	}
 
 	// Route contains a handler and information for matching against requests.
@@ -94,9 +95,9 @@ type (
 
 	// HTTPError represents an error that occurred while handling a request.
 	HTTPError struct {
-		Code    int
-		Message interface{}
-		Inner   error // Stores the error returned by an external dependency
+		Code     int
+		Message  interface{}
+		Internal error // Stores the error returned by an external dependency
 	}
 
 	// MiddlewareFunc defines a function to process middleware.
@@ -129,15 +130,16 @@ type (
 
 // HTTP methods
 const (
-	CONNECT = "CONNECT"
-	DELETE  = "DELETE"
-	GET     = "GET"
-	HEAD    = "HEAD"
-	OPTIONS = "OPTIONS"
-	PATCH   = "PATCH"
-	POST    = "POST"
-	PUT     = "PUT"
-	TRACE   = "TRACE"
+	CONNECT  = "CONNECT"
+	DELETE   = "DELETE"
+	GET      = "GET"
+	HEAD     = "HEAD"
+	OPTIONS  = "OPTIONS"
+	PATCH    = "PATCH"
+	POST     = "POST"
+	PROPFIND = "PROPFIND"
+	PUT      = "PUT"
+	TRACE    = "TRACE"
 )
 
 // MIME types
@@ -191,6 +193,7 @@ const (
 	HeaderXHTTPMethodOverride = "X-HTTP-Method-Override"
 	HeaderXRealIP             = "X-Real-IP"
 	HeaderXRequestID          = "X-Request-ID"
+	HeaderXRequestedWith      = "X-Requested-With"
 	HeaderServer              = "Server"
 	HeaderOrigin              = "Origin"
 
@@ -214,7 +217,7 @@ const (
 )
 
 const (
-	version = "3.2.6"
+	Version = "3.3.5"
 	website = "https://echo.labstack.com"
 	// http://patorjk.com/software/taag/#p=display&f=Small%20Slant&t=Echo
 	banner = `
@@ -238,6 +241,7 @@ var (
 		OPTIONS,
 		PATCH,
 		POST,
+		PROPFIND,
 		PUT,
 		TRACE,
 	}
@@ -251,10 +255,10 @@ var (
 	ErrForbidden                   = NewHTTPError(http.StatusForbidden)
 	ErrMethodNotAllowed            = NewHTTPError(http.StatusMethodNotAllowed)
 	ErrStatusRequestEntityTooLarge = NewHTTPError(http.StatusRequestEntityTooLarge)
-	ErrValidatorNotRegistered      = errors.New("Validator not registered")
-	ErrRendererNotRegistered       = errors.New("Renderer not registered")
-	ErrInvalidRedirectCode         = errors.New("Invalid redirect status code")
-	ErrCookieNotFound              = errors.New("Cookie not found")
+	ErrValidatorNotRegistered      = errors.New("validator not registered")
+	ErrRendererNotRegistered       = errors.New("renderer not registered")
+	ErrInvalidRedirectCode         = errors.New("invalid redirect status code")
+	ErrCookieNotFound              = errors.New("cookie not found")
 )
 
 // Error handlers
@@ -321,8 +325,8 @@ func (e *Echo) DefaultHTTPErrorHandler(err error, c Context) {
 	if he, ok := err.(*HTTPError); ok {
 		code = he.Code
 		msg = he.Message
-		if he.Inner != nil {
-			msg = fmt.Sprintf("%v, %v", err, he.Inner)
+		if he.Internal != nil {
+			msg = fmt.Sprintf("%v, %v", err, he.Internal)
 		}
 	} else if e.Debug {
 		msg = err.Error()
@@ -443,7 +447,7 @@ func (e *Echo) Static(prefix, root string) *Route {
 
 func static(i i, prefix, root string) *Route {
 	h := func(c Context) error {
-		p, err := PathUnescape(c.Param("*"))
+		p, err := url.PathUnescape(c.Param("*"))
 		if err != nil {
 			return err
 		}
@@ -530,7 +534,7 @@ func (e *Echo) Reverse(name string, params ...interface{}) string {
 
 // Routes returns the registered routes.
 func (e *Echo) Routes() []*Route {
-	routes := []*Route{}
+	routes := make([]*Route, 0, len(e.router.routes))
 	for _, v := range e.router.routes {
 		routes = append(routes, v)
 	}
@@ -551,39 +555,48 @@ func (e *Echo) ReleaseContext(c Context) {
 
 // ServeHTTP implements `http.Handler` interface, which serves HTTP requests.
 func (e *Echo) ServeHTTP(w http.ResponseWriter, r *http.Request) {
-	// Acquire lock
-	// e.Mutex.RLock()
-	// defer e.Mutex.RUnlock()
-
 	// Acquire context
 	c := e.pool.Get().(*context)
-	defer e.pool.Put(c)
 	c.Reset(r, w)
 
-	// Middleware
-	h := func(c Context) error {
-		method := r.Method
+	m := r.Method
+	h := NotFoundHandler
+
+	if e.premiddleware == nil {
 		path := r.URL.RawPath
 		if path == "" {
 			path = r.URL.Path
 		}
-		e.router.Find(method, path, c)
-		h := c.Handler()
+		e.router.Find(m, getPath(r), c)
+		h = c.Handler()
 		for i := len(e.middleware) - 1; i >= 0; i-- {
 			h = e.middleware[i](h)
 		}
-		return h(c)
-	}
-
-	// Premiddleware
-	for i := len(e.premiddleware) - 1; i >= 0; i-- {
-		h = e.premiddleware[i](h)
+	} else {
+		h = func(c Context) error {
+			path := r.URL.RawPath
+			if path == "" {
+				path = r.URL.Path
+			}
+			e.router.Find(m, getPath(r), c)
+			h := c.Handler()
+			for i := len(e.middleware) - 1; i >= 0; i-- {
+				h = e.middleware[i](h)
+			}
+			return h(c)
+		}
+		for i := len(e.premiddleware) - 1; i >= 0; i-- {
+			h = e.premiddleware[i](h)
+		}
 	}
 
 	// Execute chain
 	if err := h(c); err != nil {
 		e.HTTPErrorHandler(err, c)
 	}
+
+	// Release context
+	e.pool.Put(c)
 }
 
 // Start starts an HTTP server.
@@ -609,6 +622,10 @@ func (e *Echo) StartTLS(address string, certFile, keyFile string) (err error) {
 
 // StartAutoTLS starts an HTTPS server using certificates automatically installed from https://letsencrypt.org.
 func (e *Echo) StartAutoTLS(address string) error {
+	if e.Listener == nil {
+		go http.ListenAndServe(":http", e.AutoTLSManager.HTTPHandler(nil))
+	}
+
 	s := e.TLSServer
 	s.TLSConfig = new(tls.Config)
 	s.TLSConfig.GetCertificate = e.AutoTLSManager.GetCertificate
@@ -635,7 +652,7 @@ func (e *Echo) StartServer(s *http.Server) (err error) {
 	}
 
 	if !e.HideBanner {
-		e.colorer.Printf(banner, e.colorer.Red("v"+version), e.colorer.Blue(website))
+		e.colorer.Printf(banner, e.colorer.Red("v"+Version), e.colorer.Blue(website))
 	}
 
 	if s.TLSConfig == nil {
@@ -663,6 +680,24 @@ func (e *Echo) StartServer(s *http.Server) (err error) {
 	return s.Serve(e.TLSListener)
 }
 
+// Close immediately stops the server.
+// It internally calls `http.Server#Close()`.
+func (e *Echo) Close() error {
+	if err := e.TLSServer.Close(); err != nil {
+		return err
+	}
+	return e.Server.Close()
+}
+
+// Shutdown stops server the gracefully.
+// It internally calls `http.Server#Shutdown()`.
+func (e *Echo) Shutdown(ctx stdContext.Context) error {
+	if err := e.TLSServer.Shutdown(ctx); err != nil {
+		return err
+	}
+	return e.Server.Shutdown(ctx)
+}
+
 // NewHTTPError creates a new HTTPError instance.
 func NewHTTPError(code int, message ...interface{}) *HTTPError {
 	he := &HTTPError{Code: code, Message: http.StatusText(code)}
@@ -698,6 +733,14 @@ func WrapMiddleware(m func(http.Handler) http.Handler) MiddlewareFunc {
 	}
 }
 
+func getPath(r *http.Request) string {
+	path := r.URL.RawPath
+	if path == "" {
+		path = r.URL.Path
+	}
+	return path
+}
+
 func handlerName(h HandlerFunc) string {
 	t := reflect.ValueOf(h).Type()
 	if t.Kind() == reflect.Func {
@@ -706,6 +749,11 @@ func handlerName(h HandlerFunc) string {
 	return t.String()
 }
 
+// // PathUnescape is wraps `url.PathUnescape`
+// func PathUnescape(s string) (string, error) {
+// 	return url.PathUnescape(s)
+// }
+
 // tcpKeepAliveListener sets TCP keep-alive timeouts on accepted
 // connections. It's used by ListenAndServe and ListenAndServeTLS so
 // dead TCP connections (e.g. closing laptop mid-download) eventually
diff --git a/vendor/github.com/labstack/echo/echo_go1.8.go b/vendor/github.com/labstack/echo/echo_go1.8.go
deleted file mode 100644
index 340bed70..00000000
--- a/vendor/github.com/labstack/echo/echo_go1.8.go
+++ /dev/null
@@ -1,25 +0,0 @@
-// +build go1.8
-
-package echo
-
-import (
-	stdContext "context"
-)
-
-// Close immediately stops the server.
-// It internally calls `http.Server#Close()`.
-func (e *Echo) Close() error {
-	if err := e.TLSServer.Close(); err != nil {
-		return err
-	}
-	return e.Server.Close()
-}
-
-// Shutdown stops server the gracefully.
-// It internally calls `http.Server#Shutdown()`.
-func (e *Echo) Shutdown(ctx stdContext.Context) error {
-	if err := e.TLSServer.Shutdown(ctx); err != nil {
-		return err
-	}
-	return e.Server.Shutdown(ctx)
-}
diff --git a/vendor/github.com/labstack/echo/group.go b/vendor/github.com/labstack/echo/group.go
index f7e61a2e..5257e83c 100644
--- a/vendor/github.com/labstack/echo/group.go
+++ b/vendor/github.com/labstack/echo/group.go
@@ -92,7 +92,7 @@ func (g *Group) Match(methods []string, path string, handler HandlerFunc, middle
 
 // Group creates a new sub-group with prefix and optional sub-group-level middleware.
 func (g *Group) Group(prefix string, middleware ...MiddlewareFunc) *Group {
-	m := []MiddlewareFunc{}
+	m := make([]MiddlewareFunc, 0, len(g.middleware)+len(middleware))
 	m = append(m, g.middleware...)
 	m = append(m, middleware...)
 	return g.echo.Group(g.prefix+prefix, m...)
@@ -113,7 +113,7 @@ func (g *Group) Add(method, path string, handler HandlerFunc, middleware ...Midd
 	// Combine into a new slice to avoid accidentally passing the same slice for
 	// multiple routes, which would lead to later add() calls overwriting the
 	// middleware from earlier calls.
-	m := []MiddlewareFunc{}
+	m := make([]MiddlewareFunc, 0, len(g.middleware)+len(middleware))
 	m = append(m, g.middleware...)
 	m = append(m, middleware...)
 	return g.echo.Add(method, g.prefix+path, handler, m...)
diff --git a/vendor/github.com/labstack/echo/middleware/basic_auth.go b/vendor/github.com/labstack/echo/middleware/basic_auth.go
index 6d6a37b4..e6c96324 100644
--- a/vendor/github.com/labstack/echo/middleware/basic_auth.go
+++ b/vendor/github.com/labstack/echo/middleware/basic_auth.go
@@ -93,10 +93,8 @@ func BasicAuthWithConfig(config BasicAuthConfig) echo.MiddlewareFunc {
 				}
 			}
 
-			realm := ""
-			if config.Realm == defaultRealm {
-				realm = defaultRealm
-			} else {
+			realm := defaultRealm
+			if config.Realm != defaultRealm {
 				realm = strconv.Quote(config.Realm)
 			}
 
diff --git a/vendor/github.com/labstack/echo/middleware/body_dump.go b/vendor/github.com/labstack/echo/middleware/body_dump.go
index 14cf33d1..e64e5e11 100644
--- a/vendor/github.com/labstack/echo/middleware/body_dump.go
+++ b/vendor/github.com/labstack/echo/middleware/body_dump.go
@@ -3,12 +3,11 @@ package middleware
 import (
 	"bufio"
 	"bytes"
+	"io"
 	"io/ioutil"
 	"net"
 	"net/http"
 
-	"io"
-
 	"github.com/labstack/echo"
 )
 
diff --git a/vendor/github.com/labstack/echo/middleware/body_limit.go b/vendor/github.com/labstack/echo/middleware/body_limit.go
index 8d8281f4..c83f57e1 100644
--- a/vendor/github.com/labstack/echo/middleware/body_limit.go
+++ b/vendor/github.com/labstack/echo/middleware/body_limit.go
@@ -105,6 +105,7 @@ func (r *limitedReader) Close() error {
 func (r *limitedReader) Reset(reader io.ReadCloser, context echo.Context) {
 	r.reader = reader
 	r.context = context
+	r.read = 0
 }
 
 func limitedReaderPool(c BodyLimitConfig) sync.Pool {
diff --git a/vendor/github.com/labstack/echo/middleware/csrf.go b/vendor/github.com/labstack/echo/middleware/csrf.go
index 0d2b7fd6..5d1f4671 100644
--- a/vendor/github.com/labstack/echo/middleware/csrf.go
+++ b/vendor/github.com/labstack/echo/middleware/csrf.go
@@ -126,8 +126,8 @@ func CSRFWithConfig(config CSRFConfig) echo.MiddlewareFunc {
 			k, err := c.Cookie(config.CookieName)
 			token := ""
 
+			// Generate token
 			if err != nil {
-				// Generate token
 				token = random.String(config.TokenLength)
 			} else {
 				// Reuse token
@@ -143,7 +143,7 @@ func CSRFWithConfig(config CSRFConfig) echo.MiddlewareFunc {
 					return echo.NewHTTPError(http.StatusBadRequest, err.Error())
 				}
 				if !validateCSRFToken(token, clientToken) {
-					return echo.NewHTTPError(http.StatusForbidden, "Invalid csrf token")
+					return echo.NewHTTPError(http.StatusForbidden, "invalid csrf token")
 				}
 			}
 
@@ -187,7 +187,7 @@ func csrfTokenFromForm(param string) csrfTokenExtractor {
 	return func(c echo.Context) (string, error) {
 		token := c.FormValue(param)
 		if token == "" {
-			return "", errors.New("Missing csrf token in the form parameter")
+			return "", errors.New("missing csrf token in the form parameter")
 		}
 		return token, nil
 	}
@@ -199,7 +199,7 @@ func csrfTokenFromQuery(param string) csrfTokenExtractor {
 	return func(c echo.Context) (string, error) {
 		token := c.QueryParam(param)
 		if token == "" {
-			return "", errors.New("Missing csrf token in the query string")
+			return "", errors.New("missing csrf token in the query string")
 		}
 		return token, nil
 	}
diff --git a/vendor/github.com/labstack/echo/middleware/jwt.go b/vendor/github.com/labstack/echo/middleware/jwt.go
index 47d885b0..e98040ae 100644
--- a/vendor/github.com/labstack/echo/middleware/jwt.go
+++ b/vendor/github.com/labstack/echo/middleware/jwt.go
@@ -58,8 +58,8 @@ const (
 
 // Errors
 var (
-	ErrJWTMissing = echo.NewHTTPError(http.StatusBadRequest, "Missing or malformed jwt")
-	ErrJWTInvalid = echo.NewHTTPError(http.StatusUnauthorized, "Invalid or expired jwt")
+	ErrJWTMissing = echo.NewHTTPError(http.StatusBadRequest, "missing or malformed jwt")
+	ErrJWTInvalid = echo.NewHTTPError(http.StatusUnauthorized, "invalid or expired jwt")
 )
 
 var (
@@ -116,7 +116,7 @@ func JWTWithConfig(config JWTConfig) echo.MiddlewareFunc {
 	config.keyFunc = func(t *jwt.Token) (interface{}, error) {
 		// Check the signing method
 		if t.Method.Alg() != config.SigningMethod {
-			return nil, fmt.Errorf("Unexpected jwt signing method=%v", t.Header["alg"])
+			return nil, fmt.Errorf("unexpected jwt signing method=%v", t.Header["alg"])
 		}
 		return config.SigningKey, nil
 	}
@@ -156,9 +156,9 @@ func JWTWithConfig(config JWTConfig) echo.MiddlewareFunc {
 				return next(c)
 			}
 			return &echo.HTTPError{
-				Code:    ErrJWTInvalid.Code,
-				Message: ErrJWTInvalid.Message,
-				Inner:   err,
+				Code:     ErrJWTInvalid.Code,
+				Message:  ErrJWTInvalid.Message,
+				Internal: err,
 			}
 		}
 	}
diff --git a/vendor/github.com/labstack/echo/middleware/key_auth.go b/vendor/github.com/labstack/echo/middleware/key_auth.go
index 4990afd9..c12f4ca9 100644
--- a/vendor/github.com/labstack/echo/middleware/key_auth.go
+++ b/vendor/github.com/labstack/echo/middleware/key_auth.go
@@ -114,14 +114,14 @@ func keyFromHeader(header string, authScheme string) keyExtractor {
 	return func(c echo.Context) (string, error) {
 		auth := c.Request().Header.Get(header)
 		if auth == "" {
-			return "", errors.New("Missing key in request header")
+			return "", errors.New("missing key in request header")
 		}
 		if header == echo.HeaderAuthorization {
 			l := len(authScheme)
 			if len(auth) > l+1 && auth[:l] == authScheme {
 				return auth[l+1:], nil
 			}
-			return "", errors.New("Invalid key in the request header")
+			return "", errors.New("invalid key in the request header")
 		}
 		return auth, nil
 	}
@@ -132,7 +132,7 @@ func keyFromQuery(param string) keyExtractor {
 	return func(c echo.Context) (string, error) {
 		key := c.QueryParam(param)
 		if key == "" {
-			return "", errors.New("Missing key in the query string")
+			return "", errors.New("missing key in the query string")
 		}
 		return key, nil
 	}
@@ -143,7 +143,7 @@ func keyFromForm(param string) keyExtractor {
 	return func(c echo.Context) (string, error) {
 		key := c.FormValue(param)
 		if key == "" {
-			return "", errors.New("Missing key in the form")
+			return "", errors.New("missing key in the form")
 		}
 		return key, nil
 	}
diff --git a/vendor/github.com/labstack/echo/middleware/logger.go b/vendor/github.com/labstack/echo/middleware/logger.go
index c7b80f8c..87af575f 100644
--- a/vendor/github.com/labstack/echo/middleware/logger.go
+++ b/vendor/github.com/labstack/echo/middleware/logger.go
@@ -47,7 +47,7 @@ type (
 		// Example "${remote_ip} ${status}"
 		//
 		// Optional. Default value DefaultLoggerConfig.Format.
-		Format                string `yaml:"format"`
+		Format string `yaml:"format"`
 
 		// Optional. Default value DefaultLoggerConfig.CustomTimeFormat.
 		CustomTimeFormat string `yaml:"custom_time_format"`
@@ -70,9 +70,9 @@ var (
 			`"method":"${method}","uri":"${uri}","status":${status}, "latency":${latency},` +
 			`"latency_human":"${latency_human}","bytes_in":${bytes_in},` +
 			`"bytes_out":${bytes_out}}` + "\n",
-		CustomTimeFormat:"2006-01-02 15:04:05.00000",
-		Output:  os.Stdout,
-		colorer: color.New(),
+		CustomTimeFormat: "2006-01-02 15:04:05.00000",
+		Output:           os.Stdout,
+		colorer:          color.New(),
 	}
 )
 
diff --git a/vendor/github.com/labstack/echo/middleware/proxy.go b/vendor/github.com/labstack/echo/middleware/proxy.go
index ae3ff527..f6147737 100644
--- a/vendor/github.com/labstack/echo/middleware/proxy.go
+++ b/vendor/github.com/labstack/echo/middleware/proxy.go
@@ -108,15 +108,15 @@ func proxyRaw(t *ProxyTarget, c echo.Context) http.Handler {
 			return
 		}
 
-		errc := make(chan error, 2)
+		errCh := make(chan error, 2)
 		cp := func(dst io.Writer, src io.Reader) {
-			_, err := io.Copy(dst, src)
-			errc <- err
+			_, err = io.Copy(dst, src)
+			errCh <- err
 		}
 
 		go cp(out, in)
 		go cp(in, out)
-		err = <-errc
+		err = <-errCh
 		if err != nil && err != io.EOF {
 			c.Logger().Errorf("proxy raw, copy body error=%v, url=%s", t.URL, err)
 		}
diff --git a/vendor/github.com/labstack/echo/middleware/static.go b/vendor/github.com/labstack/echo/middleware/static.go
index 7208c3a2..55485f34 100644
--- a/vendor/github.com/labstack/echo/middleware/static.go
+++ b/vendor/github.com/labstack/echo/middleware/static.go
@@ -2,13 +2,16 @@ package middleware
 
 import (
 	"fmt"
+	"html/template"
 	"net/http"
+	"net/url"
 	"os"
 	"path"
 	"path/filepath"
 	"strings"
 
 	"github.com/labstack/echo"
+	"github.com/labstack/gommon/bytes"
 )
 
 type (
@@ -36,6 +39,78 @@ type (
 	}
 )
 
+const html = `
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <meta http-equiv="X-UA-Compatible" content="ie=edge">
+  <title>{{ .Name }}</title>
+  <style>
+    body {
+			font-family: Menlo, Consolas, monospace;
+			padding: 48px;
+		}
+		header {
+			padding: 4px 16px;
+			font-size: 24px;
+		}
+    ul {
+			list-style-type: none;
+			margin: 0;
+    	padding: 20px 0 0 0;
+			display: flex;
+			flex-wrap: wrap;
+    }
+    li {
+			width: 300px;
+			padding: 16px;
+		}
+		li a {
+			display: block;
+			overflow: hidden;
+			white-space: nowrap;
+			text-overflow: ellipsis;
+			text-decoration: none;
+			transition: opacity 0.25s;
+		}
+		li span {
+			color: #707070; 
+			font-size: 12px;
+		}
+		li a:hover {
+			opacity: 0.50;
+		}
+		.dir {
+			color: #E91E63;
+		}
+		.file {
+			color: #673AB7;
+		}
+  </style>
+</head>
+<body>
+	<header>
+		{{ .Name }}
+	</header>
+	<ul>
+		{{ range .Files }}
+		<li>
+		{{ if .Dir }}
+			{{ $name := print .Name "/" }}
+			<a class="dir" href="{{ $name }}">{{ $name }}</a>
+			{{ else }}
+			<a class="file" href="{{ .Name }}">{{ .Name }}</a>
+			<span>{{ .Size }}</span>
+		{{ end }}
+		</li>
+		{{ end }}
+  </ul>
+</body>
+</html>
+`
+
 var (
 	// DefaultStaticConfig is the default Static middleware config.
 	DefaultStaticConfig = StaticConfig{
@@ -66,6 +141,12 @@ func StaticWithConfig(config StaticConfig) echo.MiddlewareFunc {
 		config.Index = DefaultStaticConfig.Index
 	}
 
+	// Index template
+	t, err := template.New("index").Parse(html)
+	if err != nil {
+		panic(fmt.Sprintf("echo: %v", err))
+	}
+
 	return func(next echo.HandlerFunc) echo.HandlerFunc {
 		return func(c echo.Context) (err error) {
 			if config.Skipper(c) {
@@ -76,7 +157,7 @@ func StaticWithConfig(config StaticConfig) echo.MiddlewareFunc {
 			if strings.HasSuffix(c.Path(), "*") { // When serving from a group, e.g. `/static*`.
 				p = c.Param("*")
 			}
-			p, err = echo.PathUnescape(p)
+			p, err = url.PathUnescape(p)
 			if err != nil {
 				return
 			}
@@ -103,7 +184,7 @@ func StaticWithConfig(config StaticConfig) echo.MiddlewareFunc {
 
 				if err != nil {
 					if config.Browse {
-						return listDir(name, c.Response())
+						return listDir(t, name, c.Response())
 					}
 					if os.IsNotExist(err) {
 						return next(c)
@@ -119,32 +200,30 @@ func StaticWithConfig(config StaticConfig) echo.MiddlewareFunc {
 	}
 }
 
-func listDir(name string, res *echo.Response) (err error) {
-	dir, err := os.Open(name)
+func listDir(t *template.Template, name string, res *echo.Response) (err error) {
+	file, err := os.Open(name)
 	if err != nil {
 		return
 	}
-	dirs, err := dir.Readdir(-1)
+	files, err := file.Readdir(-1)
 	if err != nil {
 		return
 	}
 
-	// Create a directory index
+	// Create directory index
 	res.Header().Set(echo.HeaderContentType, echo.MIMETextHTMLCharsetUTF8)
-	if _, err = fmt.Fprintf(res, "<pre>\n"); err != nil {
-		return
+	data := struct {
+		Name  string
+		Files []interface{}
+	}{
+		Name: name,
 	}
-	for _, d := range dirs {
-		name := d.Name()
-		color := "#212121"
-		if d.IsDir() {
-			color = "#e91e63"
-			name += "/"
-		}
-		if _, err = fmt.Fprintf(res, "<a href=\"%s\" style=\"color: %s;\">%s</a>\n", name, color, name); err != nil {
-			return
-		}
+	for _, f := range files {
+		data.Files = append(data.Files, struct {
+			Name string
+			Dir  bool
+			Size string
+		}{f.Name(), f.IsDir(), bytes.Format(f.Size())})
 	}
-	_, err = fmt.Fprintf(res, "</pre>\n")
-	return
+	return t.Execute(res, data)
 }
diff --git a/vendor/github.com/labstack/echo/response.go b/vendor/github.com/labstack/echo/response.go
index 93204098..6244783b 100644
--- a/vendor/github.com/labstack/echo/response.go
+++ b/vendor/github.com/labstack/echo/response.go
@@ -4,7 +4,6 @@ import (
 	"bufio"
 	"net"
 	"net/http"
-	"strconv"
 )
 
 type (
@@ -12,14 +11,13 @@ type (
 	// by an HTTP handler to construct an HTTP response.
 	// See: https://golang.org/pkg/net/http/#ResponseWriter
 	Response struct {
-		echo          *Echo
-		contentLength int64
-		beforeFuncs   []func()
-		afterFuncs    []func()
-		Writer        http.ResponseWriter
-		Status        int
-		Size          int64
-		Committed     bool
+		echo        *Echo
+		beforeFuncs []func()
+		afterFuncs  []func()
+		Writer      http.ResponseWriter
+		Status      int
+		Size        int64
+		Committed   bool
 	}
 )
 
@@ -64,7 +62,6 @@ func (r *Response) WriteHeader(code int) {
 	r.Status = code
 	r.Writer.WriteHeader(code)
 	r.Committed = true
-	r.contentLength, _ = strconv.ParseInt(r.Header().Get(HeaderContentLength), 10, 0)
 }
 
 // Write writes the data to the connection as part of an HTTP reply.
@@ -74,10 +71,8 @@ func (r *Response) Write(b []byte) (n int, err error) {
 	}
 	n, err = r.Writer.Write(b)
 	r.Size += int64(n)
-	if r.Size == r.contentLength {
-		for _, fn := range r.afterFuncs {
-			fn()
-		}
+	for _, fn := range r.afterFuncs {
+		fn()
 	}
 	return
 }
@@ -106,7 +101,6 @@ func (r *Response) CloseNotify() <-chan bool {
 }
 
 func (r *Response) reset(w http.ResponseWriter) {
-	r.contentLength = 0
 	r.beforeFuncs = nil
 	r.afterFuncs = nil
 	r.Writer = w
diff --git a/vendor/github.com/labstack/echo/router.go b/vendor/github.com/labstack/echo/router.go
index 3af4be0b..ff53da87 100644
--- a/vendor/github.com/labstack/echo/router.go
+++ b/vendor/github.com/labstack/echo/router.go
@@ -21,15 +21,16 @@ type (
 	kind          uint8
 	children      []*node
 	methodHandler struct {
-		connect HandlerFunc
-		delete  HandlerFunc
-		get     HandlerFunc
-		head    HandlerFunc
-		options HandlerFunc
-		patch   HandlerFunc
-		post    HandlerFunc
-		put     HandlerFunc
-		trace   HandlerFunc
+		connect  HandlerFunc
+		delete   HandlerFunc
+		get      HandlerFunc
+		head     HandlerFunc
+		options  HandlerFunc
+		patch    HandlerFunc
+		post     HandlerFunc
+		propfind HandlerFunc
+		put      HandlerFunc
+		trace    HandlerFunc
 	}
 )
 
@@ -59,8 +60,8 @@ func (r *Router) Add(method, path string, h HandlerFunc) {
 	if path[0] != '/' {
 		path = "/" + path
 	}
-	ppath := path        // Pristine path
 	pnames := []string{} // Param names
+	ppath := path        // Pristine path
 
 	for i, l := 0, len(path); i < l; i++ {
 		if path[i] == ':' {
@@ -225,22 +226,24 @@ func (n *node) findChildByKind(t kind) *node {
 
 func (n *node) addHandler(method string, h HandlerFunc) {
 	switch method {
+	case CONNECT:
+		n.methodHandler.connect = h
+	case DELETE:
+		n.methodHandler.delete = h
 	case GET:
 		n.methodHandler.get = h
+	case HEAD:
+		n.methodHandler.head = h
+	case OPTIONS:
+		n.methodHandler.options = h
+	case PATCH:
+		n.methodHandler.patch = h
 	case POST:
 		n.methodHandler.post = h
+	case PROPFIND:
+		n.methodHandler.propfind = h
 	case PUT:
 		n.methodHandler.put = h
-	case DELETE:
-		n.methodHandler.delete = h
-	case PATCH:
-		n.methodHandler.patch = h
-	case OPTIONS:
-		n.methodHandler.options = h
-	case HEAD:
-		n.methodHandler.head = h
-	case CONNECT:
-		n.methodHandler.connect = h
 	case TRACE:
 		n.methodHandler.trace = h
 	}
@@ -248,22 +251,24 @@ func (n *node) addHandler(method string, h HandlerFunc) {
 
 func (n *node) findHandler(method string) HandlerFunc {
 	switch method {
+	case CONNECT:
+		return n.methodHandler.connect
+	case DELETE:
+		return n.methodHandler.delete
 	case GET:
 		return n.methodHandler.get
+	case HEAD:
+		return n.methodHandler.head
+	case OPTIONS:
+		return n.methodHandler.options
+	case PATCH:
+		return n.methodHandler.patch
 	case POST:
 		return n.methodHandler.post
+	case PROPFIND:
+		return n.methodHandler.propfind
 	case PUT:
 		return n.methodHandler.put
-	case DELETE:
-		return n.methodHandler.delete
-	case PATCH:
-		return n.methodHandler.patch
-	case OPTIONS:
-		return n.methodHandler.options
-	case HEAD:
-		return n.methodHandler.head
-	case CONNECT:
-		return n.methodHandler.connect
 	case TRACE:
 		return n.methodHandler.trace
 	default:
diff --git a/vendor/github.com/labstack/echo/util_go17.go b/vendor/github.com/labstack/echo/util_go17.go
deleted file mode 100644
index eaae17e3..00000000
--- a/vendor/github.com/labstack/echo/util_go17.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// +build go1.7, !go1.8
-
-package echo
-
-import (
-	"net/url"
-)
-
-// PathUnescape is wraps `url.QueryUnescape`
-func PathUnescape(s string) (string, error) {
-	return url.QueryUnescape(s)
-}
diff --git a/vendor/github.com/labstack/echo/util_go18.go b/vendor/github.com/labstack/echo/util_go18.go
deleted file mode 100644
index 8a37785b..00000000
--- a/vendor/github.com/labstack/echo/util_go18.go
+++ /dev/null
@@ -1,10 +0,0 @@
-// +build go1.8
-
-package echo
-
-import "net/url"
-
-// PathUnescape is wraps `url.PathUnescape`
-func PathUnescape(s string) (string, error) {
-	return url.PathUnescape(s)
-}