Update echo (#82)

vendor/github.com/labstack/echo/v4/README.md

@@ -56,30 +56,29 @@ Lower is better!
 package main
 
 import (
-	"net/http"
-
-	"github.com/labstack/echo/v4"
-	"github.com/labstack/echo/v4/middleware"
+  "net/http"
+  "github.com/labstack/echo/v4"
+  "github.com/labstack/echo/v4/middleware"
 )
 
 func main() {
-	// Echo instance
-	e := echo.New()
+  // Echo instance
+  e := echo.New()
 
-	// Middleware
-	e.Use(middleware.Logger())
-	e.Use(middleware.Recover())
+  // Middleware
+  e.Use(middleware.Logger())
+  e.Use(middleware.Recover())
 
-	// Routes
-	e.GET("/", hello)
+  // Routes
+  e.GET("/", hello)
 
-	// Start server
-	e.Logger.Fatal(e.Start(":1323"))
+  // Start server
+  e.Logger.Fatal(e.Start(":1323"))
 }
 
 // Handler
 func hello(c echo.Context) error {
-	return c.String(http.StatusOK, "Hello, World!")
+  return c.String(http.StatusOK, "Hello, World!")
 }
 ```
 

vendor/github.com/labstack/echo/v4/bind.go

@@ -1,6 +1,7 @@
 package echo
 
 import (
+	"encoding"
 	"encoding/json"
 	"encoding/xml"
 	"errors"
@@ -21,6 +22,8 @@ type (
 	DefaultBinder struct{}
 
 	// BindUnmarshaler is the interface used to wrap the UnmarshalParam method.
+	// Types that don't implement this, but do implement encoding.TextUnmarshaler
+	// will use that interface instead.
 	BindUnmarshaler interface {
 		// UnmarshalParam decodes and assigns a value from an form or query param.
 		UnmarshalParam(param string) error
@@ -30,6 +33,20 @@ type (
 // Bind implements the `Binder#Bind` function.
 func (b *DefaultBinder) Bind(i interface{}, c Context) (err error) {
 	req := c.Request()
+
+	paramNames := c.ParamNames()
+	paramValues := c.ParamValues()
+	params := make(map[string][]string)
+	for in, name := range paramNames {
+		params[name] = []string{paramValues[in]}
+	}
+	// Only bind the params to the struct if there is something to bind
+	if len(params) > 0 {
+		if err := b.bindData(i, params, "param"); err != nil {
+			return NewHTTPError(http.StatusBadRequest, err.Error()).SetInternal(err)
+		}
+	}
+
 	if req.ContentLength == 0 {
 		if req.Method == http.MethodGet || req.Method == http.MethodDelete {
 			if err = b.bindData(i, c.QueryParams(), "query"); err != nil {
@@ -211,12 +228,30 @@ func bindUnmarshaler(field reflect.Value) (BindUnmarshaler, bool) {
 	return nil, false
 }
 
+// textUnmarshaler attempts to unmarshal a reflect.Value into a TextUnmarshaler
+func textUnmarshaler(field reflect.Value) (encoding.TextUnmarshaler, bool) {
+	ptr := reflect.New(field.Type())
+	if ptr.CanInterface() {
+		iface := ptr.Interface()
+		if unmarshaler, ok := iface.(encoding.TextUnmarshaler); ok {
+			return unmarshaler, ok
+		}
+	}
+	return nil, false
+}
+
 func unmarshalFieldNonPtr(value string, field reflect.Value) (bool, error) {
 	if unmarshaler, ok := bindUnmarshaler(field); ok {
 		err := unmarshaler.UnmarshalParam(value)
 		field.Set(reflect.ValueOf(unmarshaler).Elem())
 		return true, err
 	}
+	if unmarshaler, ok := textUnmarshaler(field); ok {
+		err := unmarshaler.UnmarshalText([]byte(value))
+		field.Set(reflect.ValueOf(unmarshaler).Elem())
+		return true, err
+	}
+
 	return false, nil
 }
 

vendor/github.com/labstack/echo/v4/context.go

@@ -437,7 +437,7 @@ func (c *context) json(code int, i interface{}, indent string) error {
 		enc.SetIndent("", indent)
 	}
 	c.writeContentType(MIMEApplicationJSONCharsetUTF8)
-	c.response.WriteHeader(code)
+	c.response.Status = code
 	return enc.Encode(i)
 }
 

vendor/github.com/labstack/echo/v4/go.mod

@@ -4,10 +4,12 @@ go 1.12
 
 require (
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible
-	github.com/labstack/gommon v0.2.8
-	github.com/mattn/go-colorable v0.1.1 // indirect
-	github.com/mattn/go-isatty v0.0.7 // indirect
+	github.com/labstack/gommon v0.2.9
 	github.com/stretchr/testify v1.3.0
 	github.com/valyala/fasttemplate v1.0.1
-	golang.org/x/crypto v0.0.0-20190426145343-a29dc8fdc734
+	golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5
+	golang.org/x/net v0.0.0-20190607181551-461777fb6f67 // indirect
+	golang.org/x/sys v0.0.0-20190609082536-301114b31cce // indirect
+	golang.org/x/text v0.3.2 // indirect
+	golang.org/x/tools v0.0.0-20190608022120-eacb66d2a7c3 // indirect
 )

vendor/github.com/labstack/echo/v4/go.sum

@@ -1,17 +1,26 @@
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/labstack/gommon v0.2.8 h1:JvRqmeZcfrHC5u6uVleB4NxxNbzx6gpbJiQknDbKQu0=
 github.com/labstack/gommon v0.2.8/go.mod h1:/tj9csK2iPSBvn+3NLM9e52usepMtrd5ilFYA+wQNJ4=
+github.com/labstack/gommon v0.2.9 h1:heVeuAYtevIQVYkGj6A41dtfT91LrvFG220lavpWhrU=
+github.com/labstack/gommon v0.2.9/go.mod h1:E8ZTmW9vw5az5/ZyHWCp0Lw4OH2ecsaBP1C/NKavGG4=
 github.com/mattn/go-colorable v0.1.1 h1:G1f5SKeVxmagw/IyvzvtZE4Gybcc4Tr1tf7I8z0XgOg=
 github.com/mattn/go-colorable v0.1.1/go.mod h1:FuOcm+DKB9mbwrcAfNl7/TZVBZ6rcnceauSikq3lYCQ=
+github.com/mattn/go-colorable v0.1.2 h1:/bC9yWikZXAL9uJdulbSfyVNIR3n3trXl+v8+1sx8mU=
+github.com/mattn/go-colorable v0.1.2/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
 github.com/mattn/go-isatty v0.0.5/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
 github.com/mattn/go-isatty v0.0.7 h1:UvyT9uN+3r7yLEYSlJsbQGdsaB/a0DlgWP3pql6iwOc=
 github.com/mattn/go-isatty v0.0.7/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
+github.com/mattn/go-isatty v0.0.8 h1:HLtExJ+uU2HOZ+wI0Tt5DtUDrx8yhUqDcp7fYERX4CE=
+github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.2.0/go.mod h1:qt09Ya8vawLte6SNmTgCsAVtYtaKzEcn8ATUoHMkEqE=
 github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
@@ -21,11 +30,26 @@ github.com/valyala/fasttemplate v1.0.1/go.mod h1:UQGH1tvbgY+Nz5t2n7tXsz52dQxojPU
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190426145343-a29dc8fdc734 h1:p/H982KKEjUnLJkM3tt/LemDnOc1GiZL5FCVlORJ5zo=
 golang.org/x/crypto v0.0.0-20190426145343-a29dc8fdc734/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3 h1:0GoQqolDA55aaLxZyTzK/Y2ePZzZTUrRacwib7cNsYQ=
+golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5 h1:58fnuSXlxZmFdJyvtTFVmVhcMLU6v5fEb/ok4wyqtNU=
+golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190522155817-f3200d17e092 h1:4QSRKanuywn15aTZvI/mIDEgPQpswuFndXpOj3rKEco=
+golang.org/x/net v0.0.0-20190522155817-f3200d17e092/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
+golang.org/x/net v0.0.0-20190607181551-461777fb6f67 h1:rJJxsykSlULwd2P2+pg/rtnwN2FrWp4IuCxOSyS0V00=
+golang.org/x/net v0.0.0-20190607181551-461777fb6f67/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190412213103-97732733099d h1:+R4KGOnez64A81RvjARKc4UT5/tI9ujCIVX+P5KiHuI=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190531175056-4c3a928424d2 h1:T5DasATyLQfmbTpfEXx/IOL9vfjzW6up+ZDkmHvIf2s=
+golang.org/x/sys v0.0.0-20190531175056-4c3a928424d2/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190602015325-4c4f7f33c9ed/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190609082536-301114b31cce h1:CQakrGkKbydnUmt7cFIlmQ4lNQiqdTPt6xzXij4nYCc=
+golang.org/x/sys v0.0.0-20190609082536-301114b31cce/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
+golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20190608022120-eacb66d2a7c3/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=

vendor/github.com/labstack/echo/v4/middleware/jwt.go

@@ -25,11 +25,18 @@ type (
 		// ErrorHandler defines a function which is executed for an invalid token.
 		// It may be used to define a custom JWT error.
 		ErrorHandler JWTErrorHandler
+		
+		// ErrorHandlerWithContext is almost identical to ErrorHandler, but it's passed the current context.
+		ErrorHandlerWithContext JWTErrorHandlerWithContext
 
-		// Signing key to validate token.
-		// Required.
+		// Signing key to validate token. Used as fallback if SigningKeys has length 0.
+		// Required. This or SigningKeys.
 		SigningKey interface{}
 
+		// Map of signing keys to validate token with kid field usage.
+		// Required. This or SigningKey.
+		SigningKeys map[string]interface{}
+
 		// Signing method, used to check token signing method.
 		// Optional. Default value HS256.
 		SigningMethod string
@@ -48,6 +55,7 @@ type (
 		// Possible values:
 		// - "header:<name>"
 		// - "query:<name>"
+		// - "param:<name>"
 		// - "cookie:<name>"
 		TokenLookup string
 
@@ -64,6 +72,9 @@ type (
 	// JWTErrorHandler defines a function which is executed for an invalid token.
 	JWTErrorHandler func(error) error
 
+	// JWTErrorHandlerWithContext is almost identical to JWTErrorHandler, but it's passed the current context.
+	JWTErrorHandlerWithContext func(error, echo.Context) error
+	
 	jwtExtractor func(echo.Context) (string, error)
 )
 
@@ -110,7 +121,7 @@ func JWTWithConfig(config JWTConfig) echo.MiddlewareFunc {
 	if config.Skipper == nil {
 		config.Skipper = DefaultJWTConfig.Skipper
 	}
-	if config.SigningKey == nil {
+	if config.SigningKey == nil && len(config.SigningKeys) == 0 {
 		panic("echo: jwt middleware requires signing key")
 	}
 	if config.SigningMethod == "" {
@@ -133,6 +144,15 @@ func JWTWithConfig(config JWTConfig) echo.MiddlewareFunc {
 		if t.Method.Alg() != config.SigningMethod {
 			return nil, fmt.Errorf("unexpected jwt signing method=%v", t.Header["alg"])
 		}
+		if len(config.SigningKeys) > 0 {
+			if kid, ok := t.Header["kid"].(string); ok {
+				if key, ok := config.SigningKeys[kid]; ok {
+					return key, nil
+				}
+			}
+			return nil, fmt.Errorf("unexpected jwt key id=%v", t.Header["kid"])
+		}
+
 		return config.SigningKey, nil
 	}
 
@@ -142,6 +162,8 @@ func JWTWithConfig(config JWTConfig) echo.MiddlewareFunc {
 	switch parts[0] {
 	case "query":
 		extractor = jwtFromQuery(parts[1])
+	case "param":
+		extractor = jwtFromParam(parts[1])
 	case "cookie":
 		extractor = jwtFromCookie(parts[1])
 	}
@@ -161,6 +183,10 @@ func JWTWithConfig(config JWTConfig) echo.MiddlewareFunc {
 				if config.ErrorHandler != nil {
 					return config.ErrorHandler(err)
 				}
+				
+				if config.ErrorHandlerWithContext != nil {
+					return config.ErrorHandlerWithContext(err, c)
+				}
 				return err
 			}
 			token := new(jwt.Token)
@@ -183,6 +209,9 @@ func JWTWithConfig(config JWTConfig) echo.MiddlewareFunc {
 			if config.ErrorHandler != nil {
 				return config.ErrorHandler(err)
 			}
+			if config.ErrorHandlerWithContext != nil {
+					return config.ErrorHandlerWithContext(err, c)
+			}
 			return &echo.HTTPError{
 				Code:     http.StatusUnauthorized,
 				Message:  "invalid or expired jwt",
@@ -215,6 +244,17 @@ func jwtFromQuery(param string) jwtExtractor {
 	}
 }
 
+// jwtFromParam returns a `jwtExtractor` that extracts token from the url param string.
+func jwtFromParam(param string) jwtExtractor {
+	return func(c echo.Context) (string, error) {
+		token := c.Param(param)
+		if token == "" {
+			return "", ErrJWTMissing
+		}
+		return token, nil
+	}
+}
+
 // jwtFromCookie returns a `jwtExtractor` that extracts token from the named cookie.
 func jwtFromCookie(name string) jwtExtractor {
 	return func(c echo.Context) (string, error) {

vendor/github.com/labstack/echo/v4/middleware/key_auth.go

@@ -99,11 +99,14 @@ func KeyAuthWithConfig(config KeyAuthConfig) echo.MiddlewareFunc {
 			}
 			valid, err := config.Validator(key, c)
 			if err != nil {
-				return err
+				return &echo.HTTPError{
+					Code:     http.StatusUnauthorized,
+					Message:  "invalid key",
+					Internal: err,
+				}
 			} else if valid {
 				return next(c)
 			}
-
 			return echo.ErrUnauthorized
 		}
 	}

vendor/github.com/labstack/echo/v4/response.go

@@ -67,7 +67,10 @@ func (r *Response) WriteHeader(code int) {
 // Write writes the data to the connection as part of an HTTP reply.
 func (r *Response) Write(b []byte) (n int, err error) {
 	if !r.Committed {
-		r.WriteHeader(http.StatusOK)
+		if r.Status == 0 {
+			r.Status = http.StatusOK
+		}
+		r.WriteHeader(r.Status)
 	}
 	n, err = r.Writer.Write(b)
 	r.Size += int64(n)

vendor/github.com/labstack/gommon/bytes/bytes.go

@@ -22,7 +22,7 @@ const (
 )
 
 var (
-	pattern = regexp.MustCompile(`(?i)^(-?\d+(?:\.\d+)?)([KMGTPE]B?|B?)$`)
+	pattern = regexp.MustCompile(`(?i)^(-?\d+(?:\.\d+)?)\s?([KMGTPE]B?|B?)$`)
 	global  = New()
 )
 

vendor/github.com/labstack/gommon/log/log.go

@@ -10,6 +10,7 @@ import (
 	"runtime"
 	"strconv"
 	"sync"
+	"sync/atomic"
 	"time"
 
 	"github.com/mattn/go-isatty"
@@ -21,7 +22,7 @@ import (
 type (
 	Logger struct {
 		prefix     string
-		level      Lvl
+		level      uint32
 		skip       int
 		output     io.Writer
 		template   *fasttemplate.Template
@@ -58,7 +59,7 @@ func init() {
 
 func New(prefix string) (l *Logger) {
 	l = &Logger{
-		level:    INFO,
+		level:    uint32(INFO),
 		skip:     2,
 		prefix:   prefix,
 		template: l.newTemplate(defaultHeader),
@@ -110,11 +111,11 @@ func (l *Logger) SetPrefix(p string) {
 }
 
 func (l *Logger) Level() Lvl {
-	return l.level
+	return Lvl(atomic.LoadUint32(&l.level))
 }
 
-func (l *Logger) SetLevel(v Lvl) {
-	l.level = v
+func (l *Logger) SetLevel(level Lvl) {
+	atomic.StoreUint32(&l.level, uint32(level))
 }
 
 func (l *Logger) Output() io.Writer {
@@ -247,8 +248,8 @@ func Level() Lvl {
 	return global.Level()
 }
 
-func SetLevel(v Lvl) {
-	global.SetLevel(v)
+func SetLevel(level Lvl) {
+	global.SetLevel(level)
 }
 
 func Output() io.Writer {
@@ -347,16 +348,14 @@ func Panicj(j JSON) {
 	global.Panicj(j)
 }
 
-func (l *Logger) log(v Lvl, format string, args ...interface{}) {
-	l.mutex.Lock()
-	defer l.mutex.Unlock()
-	buf := l.bufferPool.Get().(*bytes.Buffer)
-	buf.Reset()
-	defer l.bufferPool.Put(buf)
-	_, file, line, _ := runtime.Caller(l.skip)
-
-	if v >= l.level || v == 0 {
+func (l *Logger) log(level Lvl, format string, args ...interface{}) {
+	if level >= l.Level() || level == 0 {
+		buf := l.bufferPool.Get().(*bytes.Buffer)
+		buf.Reset()
+		defer l.bufferPool.Put(buf)
+		_, file, line, _ := runtime.Caller(l.skip)
 		message := ""
+
 		if format == "" {
 			message = fmt.Sprint(args...)
 		} else if format == "json" {
@@ -376,7 +375,7 @@ func (l *Logger) log(v Lvl, format string, args ...interface{}) {
 			case "time_rfc3339_nano":
 				return w.Write([]byte(time.Now().Format(time.RFC3339Nano)))
 			case "level":
-				return w.Write([]byte(l.levels[v]))
+				return w.Write([]byte(l.levels[level]))
 			case "prefix":
 				return w.Write([]byte(l.prefix))
 			case "long_file":
@@ -409,6 +408,8 @@ func (l *Logger) log(v Lvl, format string, args ...interface{}) {
 				buf.WriteString(message)
 			}
 			buf.WriteByte('\n')
+			l.mutex.Lock()
+			defer l.mutex.Unlock()
 			l.output.Write(buf.Bytes())
 		}
 	}

vendor/github.com/mattn/go-colorable/go.mod

@@ -1,3 +1,3 @@
 module github.com/mattn/go-colorable
 
-require github.com/mattn/go-isatty v0.0.5
+require github.com/mattn/go-isatty v0.0.8

vendor/github.com/mattn/go-isatty/isatty_others.go

@@ -1,4 +1,4 @@
-// +build appengine js
+// +build appengine js nacl
 
 package isatty
 

vendor/github.com/mattn/go-isatty/isatty_tcgets.go

@@ -1,4 +1,4 @@
-// +build linux
+// +build linux aix
 // +build !appengine
 // +build !android