Update vendor

This commit is contained in:
Wim 2017-06-06 00:01:05 +02:00
parent 2eecaccd1c
commit 3a183cb218
49 changed files with 534 additions and 1421 deletions

View File

@ -30,16 +30,16 @@ type (
// Bind implements the `Binder#Bind` function.
func (b *DefaultBinder) Bind(i interface{}, c Context) (err error) {
req := c.Request()
if req.Method == GET {
if req.ContentLength == 0 {
if req.Method == GET || req.Method == DELETE {
if err = b.bindData(i, c.QueryParams(), "query"); err != nil {
return NewHTTPError(http.StatusBadRequest, err.Error())
}
return
}
ctype := req.Header.Get(HeaderContentType)
if req.ContentLength == 0 {
return NewHTTPError(http.StatusBadRequest, "Request body can't be empty")
}
ctype := req.Header.Get(HeaderContentType)
switch {
case strings.HasPrefix(ctype, MIMEApplicationJSON):
if err = json.NewDecoder(req.Body).Decode(i); err != nil {
@ -51,7 +51,7 @@ func (b *DefaultBinder) Bind(i interface{}, c Context) (err error) {
return NewHTTPError(http.StatusBadRequest, err.Error())
}
}
case strings.HasPrefix(ctype, MIMEApplicationXML):
case strings.HasPrefix(ctype, MIMEApplicationXML), strings.HasPrefix(ctype, MIMETextXML):
if err = xml.NewDecoder(req.Body).Decode(i); err != nil {
if ute, ok := err.(*xml.UnsupportedTypeError); ok {
return NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Unsupported type error: type=%v, error=%v", ute.Type, ute.Error()))
@ -142,6 +142,8 @@ func setWithProperType(valueKind reflect.Kind, val string, structField reflect.V
}
switch valueKind {
case reflect.Ptr:
return setWithProperType(structField.Elem().Kind(), val, structField.Elem())
case reflect.Int:
return setIntField(val, 0, structField)
case reflect.Int8:

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@ -31,6 +31,9 @@ type (
// IsTLS returns true if HTTP connection is TLS otherwise false.
IsTLS() bool
// IsWebSocket returns true if HTTP connection is WebSocket otherwise false.
IsWebSocket() bool
// Scheme returns the HTTP protocol scheme, `http` or `https`.
Scheme() string
@ -219,19 +222,36 @@ func (c *context) IsTLS() bool {
return c.request.TLS != nil
}
func (c *context) IsWebSocket() bool {
upgrade := c.request.Header.Get(HeaderUpgrade)
return upgrade == "websocket" || upgrade == "Websocket"
}
func (c *context) Scheme() string {
// Can't use `r.Request.URL.Scheme`
// See: https://groups.google.com/forum/#!topic/golang-nuts/pMUkBlQBDF0
if c.IsTLS() {
return "https"
}
if scheme := c.request.Header.Get(HeaderXForwardedProto); scheme != "" {
return scheme
}
if scheme := c.request.Header.Get(HeaderXForwardedProtocol); scheme != "" {
return scheme
}
if ssl := c.request.Header.Get(HeaderXForwardedSsl); ssl == "on" {
return "https"
}
if scheme := c.request.Header.Get(HeaderXUrlScheme); scheme != "" {
return scheme
}
return "http"
}
func (c *context) RealIP() string {
ra := c.request.RemoteAddr
if ip := c.request.Header.Get(HeaderXForwardedFor); ip != "" {
ra = ip
ra = strings.Split(ip, ", ")[0]
} else if ip := c.request.Header.Get(HeaderXRealIP); ip != "" {
ra = ip
} else {
@ -275,7 +295,7 @@ func (c *context) SetParamNames(names ...string) {
}
func (c *context) ParamValues() []string {
return c.pvalues
return c.pvalues[:len(c.pnames)]
}
func (c *context) SetParamValues(values ...string) {
@ -385,7 +405,8 @@ func (c *context) String(code int, s string) (err error) {
}
func (c *context) JSON(code int, i interface{}) (err error) {
if c.echo.Debug {
_, pretty := c.QueryParams()["pretty"]
if c.echo.Debug || pretty {
return c.JSONPretty(code, i, " ")
}
b, err := json.Marshal(i)
@ -429,7 +450,8 @@ func (c *context) JSONPBlob(code int, callback string, b []byte) (err error) {
}
func (c *context) XML(code int, i interface{}) (err error) {
if c.echo.Debug {
_, pretty := c.QueryParams()["pretty"]
if c.echo.Debug || pretty {
return c.XMLPretty(code, i, " ")
}
b, err := xml.Marshal(i)
@ -471,7 +493,12 @@ func (c *context) Stream(code int, contentType string, r io.Reader) (err error)
return
}
func (c *context) File(file string) error {
func (c *context) File(file string) (err error) {
file, err = url.QueryUnescape(file) // Issue #839
if err != nil {
return
}
f, err := os.Open(file)
if err != nil {
return ErrNotFound
@ -487,11 +514,11 @@ func (c *context) File(file string) error {
}
defer f.Close()
if fi, err = f.Stat(); err != nil {
return err
return
}
}
http.ServeContent(c.Response(), c.Request(), fi.Name(), fi.ModTime(), f)
return nil
return
}
func (c *context) Attachment(file, name string) (err error) {
@ -514,7 +541,7 @@ func (c *context) NoContent(code int) error {
}
func (c *context) Redirect(code int, url string) error {
if code < http.StatusMultipleChoices || code > http.StatusTemporaryRedirect {
if code < 300 || code > 308 {
return ErrInvalidRedirectCode
}
c.response.Header().Set(HeaderLocation, url)
@ -548,4 +575,8 @@ func (c *context) Reset(r *http.Request, w http.ResponseWriter) {
c.query = nil
c.handler = NotFoundHandler
c.store = nil
c.path = ""
c.pnames = nil
// NOTE: Don't reset because it has to have length c.echo.maxParam at all times
// c.pvalues = nil
}

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@ -1,26 +0,0 @@
package main
import (
"net/http"
"golang.org/x/crypto/acme/autocert"
"github.com/labstack/echo"
"github.com/labstack/echo/middleware"
)
func main() {
e := echo.New()
// e.AutoTLSManager.HostPolicy = autocert.HostWhitelist("<DOMAIN>")
// Cache certificates
e.AutoTLSManager.Cache = autocert.DirCache("/var/www/.cache")
e.Use(middleware.Recover())
e.Use(middleware.Logger())
e.GET("/", func(c echo.Context) error {
return c.HTML(http.StatusOK, `
<h1>Welcome to Echo!</h1>
<h3>TLS certificates automatically installed from Let's Encrypt :)</h3>
`)
})
e.Logger.Fatal(e.StartAutoTLS(":443"))
}

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@ -1,38 +0,0 @@
package main
import (
"net/http"
"github.com/labstack/echo"
"github.com/labstack/echo/middleware"
)
var (
users = []string{"Joe", "Veer", "Zion"}
)
func getUsers(c echo.Context) error {
return c.JSON(http.StatusOK, users)
}
func main() {
e := echo.New()
e.Use(middleware.Logger())
e.Use(middleware.Recover())
// CORS default
// Allows requests from any origin wth GET, HEAD, PUT, POST or DELETE method.
// e.Use(middleware.CORS())
// CORS restricted
// Allows requests from any `https://labstack.com` or `https://labstack.net` origin
// wth GET, PUT, POST or DELETE method.
e.Use(middleware.CORSWithConfig(middleware.CORSConfig{
AllowOrigins: []string{"https://labstack.com", "https://labstack.net"},
AllowMethods: []string{echo.GET, echo.PUT, echo.POST, echo.DELETE},
}))
e.GET("/api/users", getUsers)
e.Logger.Fatal(e.Start(":1323"))
}

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@ -1,75 +0,0 @@
package main
import (
"net/http"
"strconv"
"github.com/labstack/echo"
"github.com/labstack/echo/middleware"
)
type (
user struct {
ID int `json:"id"`
Name string `json:"name"`
}
)
var (
users = map[int]*user{}
seq = 1
)
//----------
// Handlers
//----------
func createUser(c echo.Context) error {
u := &user{
ID: seq,
}
if err := c.Bind(u); err != nil {
return err
}
users[u.ID] = u
seq++
return c.JSON(http.StatusCreated, u)
}
func getUser(c echo.Context) error {
id, _ := strconv.Atoi(c.Param("id"))
return c.JSON(http.StatusOK, users[id])
}
func updateUser(c echo.Context) error {
u := new(user)
if err := c.Bind(u); err != nil {
return err
}
id, _ := strconv.Atoi(c.Param("id"))
users[id].Name = u.Name
return c.JSON(http.StatusOK, users[id])
}
func deleteUser(c echo.Context) error {
id, _ := strconv.Atoi(c.Param("id"))
delete(users, id)
return c.NoContent(http.StatusNoContent)
}
func main() {
e := echo.New()
// Middleware
e.Use(middleware.Logger())
e.Use(middleware.Recover())
// Routes
e.POST("/users", createUser)
e.GET("/users/:id", getUser)
e.PUT("/users/:id", updateUser)
e.DELETE("/users/:id", deleteUser)
// Start server
e.Logger.Fatal(e.Start(":1323"))
}

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@ -1,21 +0,0 @@
package main
import (
"net/http"
rice "github.com/GeertJohan/go.rice"
"github.com/labstack/echo"
)
func main() {
e := echo.New()
// the file server for rice. "app" is the folder where the files come from.
assetHandler := http.FileServer(rice.MustFindBox("app").HTTPBox())
// serves the index.html from rice
e.GET("/", echo.WrapHandler(assetHandler))
// servers other static files
e.GET("/static/*", echo.WrapHandler(http.StripPrefix("/static/", assetHandler)))
e.Logger.Fatal(e.Start(":1323"))
}

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@ -1,65 +0,0 @@
package main
import (
"fmt"
"io"
"os"
"net/http"
"github.com/labstack/echo"
"github.com/labstack/echo/middleware"
)
func upload(c echo.Context) error {
// Read form fields
name := c.FormValue("name")
email := c.FormValue("email")
//------------
// Read files
//------------
// Multipart form
form, err := c.MultipartForm()
if err != nil {
return err
}
files := form.File["files"]
for _, file := range files {
// Source
src, err := file.Open()
if err != nil {
return err
}
defer src.Close()
// Destination
dst, err := os.Create(file.Filename)
if err != nil {
return err
}
defer dst.Close()
// Copy
if _, err = io.Copy(dst, src); err != nil {
return err
}
}
return c.HTML(http.StatusOK, fmt.Sprintf("<p>Uploaded successfully %d files with fields name=%s and email=%s.</p>", len(files), name, email))
}
func main() {
e := echo.New()
e.Use(middleware.Logger())
e.Use(middleware.Recover())
e.Static("/", "public")
e.POST("/upload", upload)
e.Logger.Fatal(e.Start(":1323"))
}

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@ -1,59 +0,0 @@
package main
import (
"fmt"
"io"
"os"
"net/http"
"github.com/labstack/echo"
"github.com/labstack/echo/middleware"
)
func upload(c echo.Context) error {
// Read form fields
name := c.FormValue("name")
email := c.FormValue("email")
//-----------
// Read file
//-----------
// Source
file, err := c.FormFile("file")
if err != nil {
return err
}
src, err := file.Open()
if err != nil {
return err
}
defer src.Close()
// Destination
dst, err := os.Create(file.Filename)
if err != nil {
return err
}
defer dst.Close()
// Copy
if _, err = io.Copy(dst, src); err != nil {
return err
}
return c.HTML(http.StatusOK, fmt.Sprintf("<p>File %s uploaded successfully with fields name=%s and email=%s.</p>", file.Filename, name, email))
}
func main() {
e := echo.New()
e.Use(middleware.Logger())
e.Use(middleware.Recover())
e.Static("/", "public")
e.POST("/upload", upload)
e.Logger.Fatal(e.Start(":1323"))
}

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@ -1,17 +0,0 @@
// +build appengine
package main
import (
"net/http"
"github.com/labstack/echo"
)
func createMux() *echo.Echo {
e := echo.New()
// note: we don't need to provide the middleware or static handlers, that's taken care of by the platform
// app engine has it's own "main" wrapper - we just need to hook echo into the default handler
http.Handle("/", e)
return e
}

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@ -1,25 +0,0 @@
// +build appenginevm
package main
import (
"net/http"
"github.com/labstack/echo"
"google.golang.org/appengine"
)
func createMux() *echo.Echo {
e := echo.New()
// note: we don't need to provide the middleware or static handlers
// for the appengine vm version - that's taken care of by the platform
return e
}
func main() {
// the appengine package provides a convenient method to handle the health-check requests
// and also run the app on the correct port. We just need to add Echo to the default handler
e := echo.New(":8080")
http.Handle("/", e)
appengine.Main()
}

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@ -1,24 +0,0 @@
// +build !appengine,!appenginevm
package main
import (
"github.com/labstack/echo"
"github.com/labstack/echo/middleware"
)
func createMux() *echo.Echo {
e := echo.New()
e.Use(middleware.Recover())
e.Use(middleware.Logger())
e.Use(middleware.Gzip())
e.Static("/", "public")
return e
}
func main() {
e.Logger.Fatal(e.Start(":8080"))
}

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@ -1,4 +0,0 @@
package main
// reference our echo instance and create it early
var e = createMux()

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@ -1,54 +0,0 @@
package main
import (
"net/http"
"github.com/labstack/echo"
"github.com/labstack/echo/middleware"
)
type (
user struct {
ID string `json:"id"`
Name string `json:"name"`
}
)
var (
users map[string]user
)
func init() {
users = map[string]user{
"1": user{
ID: "1",
Name: "Wreck-It Ralph",
},
}
// hook into the echo instance to create an endpoint group
// and add specific middleware to it plus handlers
g := e.Group("/users")
g.Use(middleware.CORS())
g.POST("", createUser)
g.GET("", getUsers)
g.GET("/:id", getUser)
}
func createUser(c echo.Context) error {
u := new(user)
if err := c.Bind(u); err != nil {
return err
}
users[u.ID] = *u
return c.JSON(http.StatusCreated, u)
}
func getUsers(c echo.Context) error {
return c.JSON(http.StatusOK, users)
}
func getUser(c echo.Context) error {
return c.JSON(http.StatusOK, users[c.Param("id")])
}

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@ -1,31 +0,0 @@
package main
import (
"html/template"
"io"
"net/http"
"github.com/labstack/echo"
)
type (
Template struct {
templates *template.Template
}
)
func init() {
t := &Template{
templates: template.Must(template.ParseFiles("templates/welcome.html")),
}
e.Renderer = t
e.GET("/welcome", welcome)
}
func (t *Template) Render(w io.Writer, name string, data interface{}, c echo.Context) error {
return t.templates.ExecuteTemplate(w, name, data)
}
func welcome(c echo.Context) error {
return c.Render(http.StatusOK, "welcome", "Joe")
}

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@ -1,20 +0,0 @@
package main
import (
"net/http"
"github.com/facebookgo/grace/gracehttp"
"github.com/labstack/echo"
)
func main() {
// Setup
e := echo.New()
e.GET("/", func(c echo.Context) error {
return c.String(http.StatusOK, "Six sick bricks tick")
})
e.Server.Addr = ":1323"
// Serve it like a boss
e.Logger.Fatal(gracehttp.Serve(e.Server))
}

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@ -1,21 +0,0 @@
package main
import (
"net/http"
"time"
"github.com/labstack/echo"
"github.com/tylerb/graceful"
)
func main() {
// Setup
e := echo.New()
e.GET("/", func(c echo.Context) error {
return c.String(http.StatusOK, "Sue sews rose on slow joe crows nose")
})
e.Server.Addr = ":1323"
// Serve it like a boss
graceful.ListenAndServe(e.Server, 5*time.Second)
}

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@ -1,25 +0,0 @@
package main
import (
"net/http"
"github.com/labstack/echo"
"github.com/labstack/echo/middleware"
)
func main() {
// Echo instance
e := echo.New()
// Middleware
e.Use(middleware.Logger())
e.Use(middleware.Recover())
// Route => handler
e.GET("/", func(c echo.Context) error {
return c.String(http.StatusOK, "Hello, World!\n")
})
// Start server
e.Logger.Fatal(e.Start(":1323"))
}

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@ -1,42 +0,0 @@
package main
import (
"fmt"
"net/http"
"time"
"github.com/labstack/echo"
)
func request(c echo.Context) error {
req := c.Request()
format := "<pre><strong>Request Information</strong>\n\n<code>Protocol: %s\nHost: %s\nRemote Address: %s\nMethod: %s\nPath: %s\n</code></pre>"
return c.HTML(http.StatusOK, fmt.Sprintf(format, req.Proto, req.Host, req.RemoteAddr, req.Method, req.URL.Path))
}
func stream(c echo.Context) error {
res := c.Response()
gone := res.CloseNotify()
res.Header().Set(echo.HeaderContentType, echo.MIMETextHTMLCharsetUTF8)
res.WriteHeader(http.StatusOK)
ticker := time.NewTicker(1 * time.Second)
defer ticker.Stop()
fmt.Fprint(res, "<pre><strong>Clock Stream</strong>\n\n<code>")
for {
fmt.Fprintf(res, "%v\n", time.Now())
res.Flush()
select {
case <-ticker.C:
case <-gone:
break
}
}
}
func main() {
e := echo.New()
e.GET("/request", request)
e.GET("/stream", stream)
e.Logger.Fatal(e.StartTLS(":1323", "cert.pem", "key.pem"))
}

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@ -1,35 +0,0 @@
package main
import (
"math/rand"
"net/http"
"time"
"github.com/labstack/echo"
"github.com/labstack/echo/middleware"
)
func main() {
e := echo.New()
e.Use(middleware.Logger())
e.Use(middleware.Recover())
e.Static("/", "public")
// JSONP
e.GET("/jsonp", func(c echo.Context) error {
callback := c.QueryParam("callback")
var content struct {
Response string `json:"response"`
Timestamp time.Time `json:"timestamp"`
Random int `json:"random"`
}
content.Response = "Sent via JSONP"
content.Timestamp = time.Now().UTC()
content.Random = rand.Intn(1000)
return c.JSONP(http.StatusOK, callback, &content)
})
// Start server
e.Logger.Fatal(e.Start(":1323"))
}

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@ -1,86 +0,0 @@
package main
import (
"net/http"
"time"
jwt "github.com/dgrijalva/jwt-go"
"github.com/labstack/echo"
"github.com/labstack/echo/middleware"
)
// jwtCustomClaims are custom claims extending default ones.
type jwtCustomClaims struct {
Name string `json:"name"`
Admin bool `json:"admin"`
jwt.StandardClaims
}
func login(c echo.Context) error {
username := c.FormValue("username")
password := c.FormValue("password")
if username == "jon" && password == "shhh!" {
// Set custom claims
claims := &jwtCustomClaims{
"Jon Snow",
true,
jwt.StandardClaims{
ExpiresAt: time.Now().Add(time.Hour * 72).Unix(),
},
}
// Create token with claims
token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
// Generate encoded token and send it as response.
t, err := token.SignedString([]byte("secret"))
if err != nil {
return err
}
return c.JSON(http.StatusOK, echo.Map{
"token": t,
})
}
return echo.ErrUnauthorized
}
func accessible(c echo.Context) error {
return c.String(http.StatusOK, "Accessible")
}
func restricted(c echo.Context) error {
user := c.Get("user").(*jwt.Token)
claims := user.Claims.(*jwtCustomClaims)
name := claims.Name
return c.String(http.StatusOK, "Welcome "+name+"!")
}
func main() {
e := echo.New()
// Middleware
e.Use(middleware.Logger())
e.Use(middleware.Recover())
// Login route
e.POST("/login", login)
// Unauthenticated route
e.GET("/", accessible)
// Restricted group
r := e.Group("/restricted")
// Configure middleware with the custom claims type
config := middleware.JWTConfig{
Claims: &jwtCustomClaims{},
SigningKey: []byte("secret"),
}
r.Use(middleware.JWTWithConfig(config))
r.GET("", restricted)
e.Logger.Fatal(e.Start(":1323"))
}

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@ -1,69 +0,0 @@
package main
import (
"net/http"
"time"
jwt "github.com/dgrijalva/jwt-go"
"github.com/labstack/echo"
"github.com/labstack/echo/middleware"
)
func login(c echo.Context) error {
username := c.FormValue("username")
password := c.FormValue("password")
if username == "jon" && password == "shhh!" {
// Create token
token := jwt.New(jwt.SigningMethodHS256)
// Set claims
claims := token.Claims.(jwt.MapClaims)
claims["name"] = "Jon Snow"
claims["admin"] = true
claims["exp"] = time.Now().Add(time.Hour * 72).Unix()
// Generate encoded token and send it as response.
t, err := token.SignedString([]byte("secret"))
if err != nil {
return err
}
return c.JSON(http.StatusOK, map[string]string{
"token": t,
})
}
return echo.ErrUnauthorized
}
func accessible(c echo.Context) error {
return c.String(http.StatusOK, "Accessible")
}
func restricted(c echo.Context) error {
user := c.Get("user").(*jwt.Token)
claims := user.Claims.(jwt.MapClaims)
name := claims["name"].(string)
return c.String(http.StatusOK, "Welcome "+name+"!")
}
func main() {
e := echo.New()
// Middleware
e.Use(middleware.Logger())
e.Use(middleware.Recover())
// Login route
e.POST("/login", login)
// Unauthenticated route
e.GET("/", accessible)
// Restricted group
r := e.Group("/restricted")
r.Use(middleware.JWT([]byte("secret")))
r.GET("", restricted)
e.Logger.Fatal(e.Start(":1323"))
}

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@ -1,82 +0,0 @@
package main
import (
"net/http"
"strconv"
"sync"
"time"
"github.com/labstack/echo"
)
type (
Stats struct {
Uptime time.Time `json:"uptime"`
RequestCount uint64 `json:"requestCount"`
Statuses map[string]int `json:"statuses"`
mutex sync.RWMutex
}
)
func NewStats() *Stats {
return &Stats{
Uptime: time.Now(),
Statuses: make(map[string]int),
}
}
// Process is the middleware function.
func (s *Stats) Process(next echo.HandlerFunc) echo.HandlerFunc {
return func(c echo.Context) error {
if err := next(c); err != nil {
c.Error(err)
}
s.mutex.Lock()
defer s.mutex.Unlock()
s.RequestCount++
status := strconv.Itoa(c.Response().Status)
s.Statuses[status]++
return nil
}
}
// Handle is the endpoint to get stats.
func (s *Stats) Handle(c echo.Context) error {
s.mutex.RLock()
defer s.mutex.RUnlock()
return c.JSON(http.StatusOK, s)
}
// ServerHeader middleware adds a `Server` header to the response.
func ServerHeader(next echo.HandlerFunc) echo.HandlerFunc {
return func(c echo.Context) error {
c.Response().Header().Set(echo.HeaderServer, "Echo/3.0")
return next(c)
}
}
func main() {
e := echo.New()
// Debug mode
e.Debug = true
//-------------------
// Custom middleware
//-------------------
// Stats
s := NewStats()
e.Use(s.Process)
e.GET("/stats", s.Handle) // Endpoint to get stats
// Server header
e.Use(ServerHeader)
// Handler
e.GET("/", func(c echo.Context) error {
return c.String(http.StatusOK, "Hello, World!")
})
// Start server
e.Logger.Fatal(e.Start(":1323"))
}

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@ -1,45 +0,0 @@
package main
import (
"net/http"
"time"
"encoding/json"
"github.com/labstack/echo"
)
type (
Geolocation struct {
Altitude float64
Latitude float64
Longitude float64
}
)
var (
locations = []Geolocation{
{-97, 37.819929, -122.478255},
{1899, 39.096849, -120.032351},
{2619, 37.865101, -119.538329},
{42, 33.812092, -117.918974},
{15, 37.77493, -122.419416},
}
)
func main() {
e := echo.New()
e.GET("/", func(c echo.Context) error {
c.Response().Header().Set(echo.HeaderContentType, echo.MIMEApplicationJSON)
c.Response().WriteHeader(http.StatusOK)
for _, l := range locations {
if err := json.NewEncoder(c.Response()).Encode(l); err != nil {
return err
}
c.Response().Flush()
time.Sleep(1 * time.Second)
}
return nil
})
e.Logger.Fatal(e.Start(":1323"))
}

View File

@ -1,78 +0,0 @@
package main
import (
"net/http"
"github.com/labstack/echo"
"github.com/labstack/echo/middleware"
)
type (
Host struct {
Echo *echo.Echo
}
)
func main() {
// Hosts
hosts := make(map[string]*Host)
//-----
// API
//-----
api := echo.New()
api.Use(middleware.Logger())
api.Use(middleware.Recover())
hosts["api.localhost:1323"] = &Host{api}
api.GET("/", func(c echo.Context) error {
return c.String(http.StatusOK, "API")
})
//------
// Blog
//------
blog := echo.New()
blog.Use(middleware.Logger())
blog.Use(middleware.Recover())
hosts["blog.localhost:1323"] = &Host{blog}
blog.GET("/", func(c echo.Context) error {
return c.String(http.StatusOK, "Blog")
})
//---------
// Website
//---------
site := echo.New()
site.Use(middleware.Logger())
site.Use(middleware.Recover())
hosts["localhost:1323"] = &Host{site}
site.GET("/", func(c echo.Context) error {
return c.String(http.StatusOK, "Website")
})
// Server
e := echo.New()
e.Any("/*", func(c echo.Context) (err error) {
req := c.Request()
res := c.Response()
host := hosts[req.Host]
if host == nil {
err = echo.ErrNotFound
} else {
host.Echo.ServeHTTP(res, req)
}
return
})
e.Logger.Fatal(e.Start(":1323"))
}

View File

@ -1,14 +0,0 @@
package handler
import mgo "gopkg.in/mgo.v2"
type (
Handler struct {
DB *mgo.Session
}
)
const (
// Key (Should come from somewhere else).
Key = "secret"
)

View File

@ -1,73 +0,0 @@
package handler
import (
"net/http"
"strconv"
"github.com/labstack/echo"
"github.com/labstack/echo/cookbook/twitter/model"
mgo "gopkg.in/mgo.v2"
"gopkg.in/mgo.v2/bson"
)
func (h *Handler) CreatePost(c echo.Context) (err error) {
u := &model.User{
ID: bson.ObjectIdHex(userIDFromToken(c)),
}
p := &model.Post{
ID: bson.NewObjectId(),
From: u.ID.Hex(),
}
if err = c.Bind(p); err != nil {
return
}
// Validation
if p.To == "" || p.Message == "" {
return &echo.HTTPError{Code: http.StatusBadRequest, Message: "invalid to or message fields"}
}
// Find user from database
db := h.DB.Clone()
defer db.Close()
if err = db.DB("twitter").C("users").FindId(u.ID).One(u); err != nil {
if err == mgo.ErrNotFound {
return echo.ErrNotFound
}
return
}
// Save post in database
if err = db.DB("twitter").C("posts").Insert(p); err != nil {
return
}
return c.JSON(http.StatusCreated, p)
}
func (h *Handler) FetchPost(c echo.Context) (err error) {
userID := userIDFromToken(c)
page, _ := strconv.Atoi(c.QueryParam("page"))
limit, _ := strconv.Atoi(c.QueryParam("limit"))
// Defaults
if page == 0 {
page = 1
}
if limit == 0 {
limit = 100
}
// Retrieve posts from database
posts := []*model.Post{}
db := h.DB.Clone()
if err = db.DB("twitter").C("posts").
Find(bson.M{"to": userID}).
Skip((page - 1) * limit).
Limit(limit).
All(&posts); err != nil {
return
}
defer db.Close()
return c.JSON(http.StatusOK, posts)
}

View File

@ -1,97 +0,0 @@
package handler
import (
"net/http"
"time"
jwt "github.com/dgrijalva/jwt-go"
"github.com/labstack/echo"
"github.com/labstack/echo/cookbook/twitter/model"
mgo "gopkg.in/mgo.v2"
"gopkg.in/mgo.v2/bson"
)
func (h *Handler) Signup(c echo.Context) (err error) {
// Bind
u := &model.User{ID: bson.NewObjectId()}
if err = c.Bind(u); err != nil {
return
}
// Validate
if u.Email == "" || u.Password == "" {
return &echo.HTTPError{Code: http.StatusBadRequest, Message: "invalid email or password"}
}
// Save user
db := h.DB.Clone()
defer db.Close()
if err = db.DB("twitter").C("users").Insert(u); err != nil {
return
}
return c.JSON(http.StatusCreated, u)
}
func (h *Handler) Login(c echo.Context) (err error) {
// Bind
u := new(model.User)
if err = c.Bind(u); err != nil {
return
}
// Find user
db := h.DB.Clone()
defer db.Close()
if err = db.DB("twitter").C("users").
Find(bson.M{"email": u.Email, "password": u.Password}).One(u); err != nil {
if err == mgo.ErrNotFound {
return &echo.HTTPError{Code: http.StatusUnauthorized, Message: "invalid email or password"}
}
return
}
//-----
// JWT
//-----
// Create token
token := jwt.New(jwt.SigningMethodHS256)
// Set claims
claims := token.Claims.(jwt.MapClaims)
claims["id"] = u.ID
claims["exp"] = time.Now().Add(time.Hour * 72).Unix()
// Generate encoded token and send it as response
u.Token, err = token.SignedString([]byte(Key))
if err != nil {
return err
}
u.Password = "" // Don't send password
return c.JSON(http.StatusOK, u)
}
func (h *Handler) Follow(c echo.Context) (err error) {
userID := userIDFromToken(c)
id := c.Param("id")
// Add a follower to user
db := h.DB.Clone()
defer db.Close()
if err = db.DB("twitter").C("users").
UpdateId(bson.ObjectIdHex(id), bson.M{"$addToSet": bson.M{"followers": userID}}); err != nil {
if err == mgo.ErrNotFound {
return echo.ErrNotFound
}
}
return
}
func userIDFromToken(c echo.Context) string {
user := c.Get("user").(*jwt.Token)
claims := user.Claims.(jwt.MapClaims)
return claims["id"].(string)
}

View File

@ -1,12 +0,0 @@
package model
import "gopkg.in/mgo.v2/bson"
type (
Post struct {
ID bson.ObjectId `json:"id" bson:"_id,omitempty"`
To string `json:"to" bson:"to"`
From string `json:"from" bson:"from"`
Message string `json:"message" bson:"message"`
}
)

View File

@ -1,13 +0,0 @@
package model
import "gopkg.in/mgo.v2/bson"
type (
User struct {
ID bson.ObjectId `json:"id" bson:"_id,omitempty"`
Email string `json:"email" bson:"email"`
Password string `json:"password,omitempty" bson:"password"`
Token string `json:"token,omitempty" bson:"-"`
Followers []string `json:"followers,omitempty" bson:"followers,omitempty"`
}
)

View File

@ -1,52 +0,0 @@
package main
import (
"github.com/labstack/echo"
"github.com/labstack/echo/cookbook/twitter/handler"
"github.com/labstack/echo/middleware"
"github.com/labstack/gommon/log"
mgo "gopkg.in/mgo.v2"
)
func main() {
e := echo.New()
e.Logger.SetLevel(log.ERROR)
e.Use(middleware.Logger())
e.Use(middleware.JWTWithConfig(middleware.JWTConfig{
SigningKey: []byte(handler.Key),
Skipper: func(c echo.Context) bool {
// Skip authentication for and signup login requests
if c.Path() == "/login" || c.Path() == "/signup" {
return true
}
return false
},
}))
// Database connection
db, err := mgo.Dial("localhost")
if err != nil {
e.Logger.Fatal(err)
}
// Create indices
if err = db.Copy().DB("twitter").C("users").EnsureIndex(mgo.Index{
Key: []string{"email"},
Unique: true,
}); err != nil {
log.Fatal(err)
}
// Initialize handler
h := &handler.Handler{DB: db}
// Routes
e.POST("/signup", h.Signup)
e.POST("/login", h.Login)
e.POST("/follow/:id", h.Follow)
e.POST("/posts", h.CreatePost)
e.GET("/feed", h.FetchPost)
// Start server
e.Logger.Fatal(e.Start(":1323"))
}

View File

@ -1,47 +0,0 @@
package main
import (
"fmt"
"log"
"github.com/labstack/echo"
"github.com/gorilla/websocket"
"github.com/labstack/echo/middleware"
)
var (
upgrader = websocket.Upgrader{}
)
func hello(c echo.Context) error {
ws, err := upgrader.Upgrade(c.Response(), c.Request(), nil)
if err != nil {
return err
}
defer ws.Close()
for {
// Write
err := ws.WriteMessage(websocket.TextMessage, []byte("Hello, Client!"))
if err != nil {
log.Fatal(err)
}
// Read
_, msg, err := ws.ReadMessage()
if err != nil {
log.Fatal(err)
}
fmt.Printf("%s\n", msg)
}
}
func main() {
e := echo.New()
e.Use(middleware.Logger())
e.Use(middleware.Recover())
e.Static("/", "../public")
e.GET("/ws", hello)
e.Logger.Fatal(e.Start(":1323"))
}

View File

@ -1,41 +0,0 @@
package main
import (
"fmt"
"log"
"github.com/labstack/echo"
"github.com/labstack/echo/middleware"
"golang.org/x/net/websocket"
)
func hello(c echo.Context) error {
websocket.Handler(func(ws *websocket.Conn) {
defer ws.Close()
for {
// Write
err := websocket.Message.Send(ws, "Hello, Client!")
if err != nil {
log.Fatal(err)
}
// Read
msg := ""
err = websocket.Message.Receive(ws, &msg)
if err != nil {
log.Fatal(err)
}
fmt.Printf("%s\n", msg)
}
}).ServeHTTP(c.Response(), c.Request())
return nil
}
func main() {
e := echo.New()
e.Use(middleware.Logger())
e.Use(middleware.Recover())
e.Static("/", "../public")
e.GET("/ws", hello)
e.Logger.Fatal(e.Start(":1323"))
}

View File

@ -42,10 +42,11 @@ import (
"errors"
"fmt"
"io"
slog "log"
stdLog "log"
"net"
"net/http"
"path"
"path/filepath"
"reflect"
"runtime"
"sync"
@ -59,7 +60,7 @@ import (
type (
// Echo is the top-level framework instance.
Echo struct {
stdLogger *slog.Logger
stdLogger *stdLog.Logger
colorer *color.Color
premiddleware []MiddlewareFunc
middleware []MiddlewareFunc
@ -73,20 +74,21 @@ type (
TLSListener net.Listener
DisableHTTP2 bool
Debug bool
HideBanner bool
HTTPErrorHandler HTTPErrorHandler
Binder Binder
Validator Validator
Renderer Renderer
AutoTLSManager autocert.Manager
Mutex sync.RWMutex
// Mutex sync.RWMutex
Logger Logger
}
// Route contains a handler and information for matching against requests.
Route struct {
Method string
Path string
Handler string
Method string `json:"method"`
Path string `json:"path"`
Handler string `json:"handler"`
}
// HTTPError represents an error that occurred while handling a request.
@ -144,6 +146,8 @@ const (
MIMEApplicationJavaScriptCharsetUTF8 = MIMEApplicationJavaScript + "; " + charsetUTF8
MIMEApplicationXML = "application/xml"
MIMEApplicationXMLCharsetUTF8 = MIMEApplicationXML + "; " + charsetUTF8
MIMETextXML = "text/xml"
MIMETextXMLCharsetUTF8 = MIMETextXML + "; " + charsetUTF8
MIMEApplicationForm = "application/x-www-form-urlencoded"
MIMEApplicationProtobuf = "application/protobuf"
MIMEApplicationMsgpack = "application/msgpack"
@ -161,6 +165,7 @@ const (
// Headers
const (
HeaderAccept = "Accept"
HeaderAcceptEncoding = "Accept-Encoding"
HeaderAllow = "Allow"
HeaderAuthorization = "Authorization"
@ -176,12 +181,18 @@ const (
HeaderUpgrade = "Upgrade"
HeaderVary = "Vary"
HeaderWWWAuthenticate = "WWW-Authenticate"
HeaderXForwardedProto = "X-Forwarded-Proto"
HeaderXHTTPMethodOverride = "X-HTTP-Method-Override"
HeaderXForwardedFor = "X-Forwarded-For"
HeaderXForwardedProto = "X-Forwarded-Proto"
HeaderXForwardedProtocol = "X-Forwarded-Protocol"
HeaderXForwardedSsl = "X-Forwarded-Ssl"
HeaderXUrlScheme = "X-Url-Scheme"
HeaderXHTTPMethodOverride = "X-HTTP-Method-Override"
HeaderXRealIP = "X-Real-IP"
HeaderXRequestID = "X-Request-ID"
HeaderServer = "Server"
HeaderOrigin = "Origin"
// Access control
HeaderAccessControlRequestMethod = "Access-Control-Request-Method"
HeaderAccessControlRequestHeaders = "Access-Control-Request-Headers"
HeaderAccessControlAllowOrigin = "Access-Control-Allow-Origin"
@ -200,6 +211,22 @@ const (
HeaderXCSRFToken = "X-CSRF-Token"
)
const (
version = "3.1.0"
website = "https://echo.labstack.com"
// http://patorjk.com/software/taag/#p=display&f=Small%20Slant&t=Echo
banner = `
____ __
/ __/___/ / ___
/ _// __/ _ \/ _ \
/___/\__/_//_/\___/ %s
High performance, minimalist Go web framework
%s
____________________________________O/_______
O\
`
)
var (
methods = [...]string{
CONNECT,
@ -219,6 +246,7 @@ var (
ErrUnsupportedMediaType = NewHTTPError(http.StatusUnsupportedMediaType)
ErrNotFound = NewHTTPError(http.StatusNotFound)
ErrUnauthorized = NewHTTPError(http.StatusUnauthorized)
ErrForbidden = NewHTTPError(http.StatusForbidden)
ErrMethodNotAllowed = NewHTTPError(http.StatusMethodNotAllowed)
ErrStatusRequestEntityTooLarge = NewHTTPError(http.StatusRequestEntityTooLarge)
ErrValidatorNotRegistered = errors.New("Validator not registered")
@ -255,7 +283,7 @@ func New() (e *Echo) {
e.HTTPErrorHandler = e.DefaultHTTPErrorHandler
e.Binder = &DefaultBinder{}
e.Logger.SetLevel(log.OFF)
e.stdLogger = slog.New(e.Logger.Output(), e.Logger.Prefix()+": ", 0)
e.stdLogger = stdLog.New(e.Logger.Output(), e.Logger.Prefix()+": ", 0)
e.pool.New = func() interface{} {
return e.NewContext(nil, nil)
}
@ -398,12 +426,16 @@ func (e *Echo) Match(methods []string, path string, handler HandlerFunc, middlew
// Static registers a new route with path prefix to serve static files from the
// provided root directory.
func (e *Echo) Static(prefix, root string) {
if root == "" {
root = "." // For security we want to restrict to CWD.
}
static(e, prefix, root)
}
func static(i i, prefix, root string) {
h := func(c Context) error {
return c.File(path.Join(root, c.Param("*")))
name := filepath.Join(root, path.Clean("/"+c.Param("*"))) // "/"+ for security
return c.File(name)
}
i.GET(prefix, h)
if prefix == "/" {
@ -430,7 +462,7 @@ func (e *Echo) add(method, path string, handler HandlerFunc, middleware ...Middl
}
return h(c)
})
r := Route{
r := &Route{
Method: method,
Path: path,
Handler: name,
@ -476,8 +508,8 @@ func (e *Echo) URL(h HandlerFunc, params ...interface{}) string {
}
// Routes returns the registered routes.
func (e *Echo) Routes() []Route {
routes := []Route{}
func (e *Echo) Routes() []*Route {
routes := []*Route{}
for _, v := range e.router.routes {
routes = append(routes, v)
}
@ -499,8 +531,8 @@ 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()
// e.Mutex.RLock()
// defer e.Mutex.RUnlock()
// Acquire context
c := e.pool.Get().(*context)
@ -510,7 +542,10 @@ func (e *Echo) ServeHTTP(w http.ResponseWriter, r *http.Request) {
// Middleware
h := func(c Context) error {
method := r.Method
path := r.URL.EscapedPath()
path := r.URL.RawPath
if path == "" {
path = r.URL.Path
}
e.router.Find(method, path, c)
h := c.Handler()
for i := len(e.middleware) - 1; i >= 0; i-- {
@ -572,8 +607,15 @@ func (e *Echo) startTLS(address string) error {
func (e *Echo) StartServer(s *http.Server) (err error) {
// Setup
e.colorer.SetOutput(e.Logger.Output())
s.Handler = e
s.ErrorLog = e.stdLogger
s.Handler = e
if e.Debug {
e.Logger.SetLevel(log.DEBUG)
}
if !e.HideBanner {
e.colorer.Printf(banner, e.colorer.Red("v"+version), e.colorer.Blue(website))
}
if s.TLSConfig == nil {
if e.Listener == nil {
@ -582,7 +624,9 @@ func (e *Echo) StartServer(s *http.Server) (err error) {
return err
}
}
e.colorer.Printf("⇛ http server started on %s\n", e.colorer.Green(e.Listener.Addr()))
if !e.HideBanner {
e.colorer.Printf("⇨ http server started on %s\n", e.colorer.Green(e.Listener.Addr()))
}
return s.Serve(e.Listener)
}
if e.TLSListener == nil {
@ -592,7 +636,9 @@ func (e *Echo) StartServer(s *http.Server) (err error) {
}
e.TLSListener = tls.NewListener(l, s.TLSConfig)
}
e.colorer.Printf("⇛ https server started on %s\n", e.colorer.Green(e.TLSListener.Addr()))
if !e.HideBanner {
e.colorer.Printf("⇨ https server started on %s\n", e.colorer.Green(e.TLSListener.Addr()))
}
return s.Serve(e.TLSListener)
}

25
vendor/github.com/labstack/echo/echo_go1.8.go generated vendored Normal file
View File

@ -0,0 +1,25 @@
// +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)
}

View File

@ -1,8 +1,12 @@
package echo
import (
"path"
)
type (
// Group is a set of sub-routes for a specified route. It can be used for inner
// routes that share a common middlware or functionality that should be separate
// routes that share a common middleware or functionality that should be separate
// from the parent echo instance while still inheriting from it.
Group struct {
prefix string
@ -14,6 +18,11 @@ type (
// Use implements `Echo#Use()` for sub-routes within the Group.
func (g *Group) Use(middleware ...MiddlewareFunc) {
g.middleware = append(g.middleware, middleware...)
// Allow all requests to reach the group as they might get dropped if router
// doesn't find a match, making none of the group middleware process.
g.echo.Any(path.Clean(g.prefix+"/*"), func(c Context) error {
return ErrNotFound
}, g.middleware...)
}
// CONNECT implements `Echo#CONNECT()` for sub-routes within the Group.

View File

@ -2,6 +2,7 @@ package middleware
import (
"encoding/base64"
"strconv"
"github.com/labstack/echo"
)
@ -15,20 +16,26 @@ type (
// Validator is a function to validate BasicAuth credentials.
// Required.
Validator BasicAuthValidator
// Realm is a string to define realm attribute of BasicAuth.
// Default value "Restricted".
Realm string
}
// BasicAuthValidator defines a function to validate BasicAuth credentials.
BasicAuthValidator func(string, string, echo.Context) bool
BasicAuthValidator func(string, string, echo.Context) (bool, error)
)
const (
basic = "Basic"
defaultRealm = "Restricted"
)
var (
// DefaultBasicAuthConfig is the default BasicAuth middleware config.
DefaultBasicAuthConfig = BasicAuthConfig{
Skipper: DefaultSkipper,
Realm: defaultRealm,
}
)
@ -52,6 +59,9 @@ func BasicAuthWithConfig(config BasicAuthConfig) echo.MiddlewareFunc {
if config.Skipper == nil {
config.Skipper = DefaultBasicAuthConfig.Skipper
}
if config.Realm == "" {
config.Realm = defaultRealm
}
return func(next echo.HandlerFunc) echo.HandlerFunc {
return func(c echo.Context) error {
@ -71,15 +81,25 @@ func BasicAuthWithConfig(config BasicAuthConfig) echo.MiddlewareFunc {
for i := 0; i < len(cred); i++ {
if cred[i] == ':' {
// Verify credentials
if config.Validator(cred[:i], cred[i+1:], c) {
valid, err := config.Validator(cred[:i], cred[i+1:], c)
if err != nil {
return err
} else if valid {
return next(c)
}
}
}
}
realm := ""
if config.Realm == defaultRealm {
realm = defaultRealm
} else {
realm = strconv.Quote(config.Realm)
}
// Need to return `401` for browsers to pop-up login box.
c.Response().Header().Set(echo.HeaderWWWAuthenticate, basic+" realm=Restricted")
c.Response().Header().Set(echo.HeaderWWWAuthenticate, basic+" realm="+realm)
return echo.ErrUnauthorized
}
}

View File

@ -108,8 +108,8 @@ func (w *gzipResponseWriter) Write(b []byte) (int, error) {
return w.Writer.Write(b)
}
func (w *gzipResponseWriter) Flush() error {
return w.Writer.(*gzip.Writer).Flush()
func (w *gzipResponseWriter) Flush() {
w.Writer.(*gzip.Writer).Flush()
}
func (w *gzipResponseWriter) Hijack() (net.Conn, *bufio.ReadWriter, error) {

View File

@ -91,7 +91,7 @@ func JWTWithConfig(config JWTConfig) echo.MiddlewareFunc {
config.Skipper = DefaultJWTConfig.Skipper
}
if config.SigningKey == nil {
panic("jwt middleware requires signing key")
panic("echo: jwt middleware requires signing key")
}
if config.SigningMethod == "" {
config.SigningMethod = DefaultJWTConfig.SigningMethod

View File

@ -32,7 +32,7 @@ type (
}
// KeyAuthValidator defines a function to validate KeyAuth credentials.
KeyAuthValidator func(string, echo.Context) bool
KeyAuthValidator func(string, echo.Context) (bool, error)
keyExtractor func(echo.Context) (string, error)
)
@ -94,7 +94,10 @@ func KeyAuthWithConfig(config KeyAuthConfig) echo.MiddlewareFunc {
if err != nil {
return echo.NewHTTPError(http.StatusBadRequest, err.Error())
}
if config.Validator(key, c) {
valid, err := config.Validator(key, c)
if err != nil {
return err
} else if valid {
return next(c)
}

View File

@ -26,7 +26,7 @@ type (
// - time_unix_nano
// - time_rfc3339
// - time_rfc3339_nano
// - id (Request ID - Not implemented)
// - id (Request ID)
// - remote_ip
// - uri
// - host
@ -62,7 +62,7 @@ var (
// DefaultLoggerConfig is the default Logger middleware config.
DefaultLoggerConfig = LoggerConfig{
Skipper: DefaultSkipper,
Format: `{"time":"${time_rfc3339_nano}","remote_ip":"${remote_ip}","host":"${host}",` +
Format: `{"time":"${time_rfc3339_nano}","id":"${id}","remote_ip":"${remote_ip}","host":"${host}",` +
`"method":"${method}","uri":"${uri}","status":${status}, "latency":${latency},` +
`"latency_human":"${latency_human}","bytes_in":${bytes_in},` +
`"bytes_out":${bytes_out}}` + "\n",
@ -126,6 +126,12 @@ func LoggerWithConfig(config LoggerConfig) echo.MiddlewareFunc {
return buf.WriteString(time.Now().Format(time.RFC3339))
case "time_rfc3339_nano":
return buf.WriteString(time.Now().Format(time.RFC3339Nano))
case "id":
id := req.Header.Get(echo.HeaderXRequestID)
if id == "" {
id = res.Header().Get(echo.HeaderXRequestID)
}
return buf.WriteString(id)
case "remote_ip":
return buf.WriteString(c.RealIP())
case "host":
@ -177,6 +183,11 @@ func LoggerWithConfig(config LoggerConfig) echo.MiddlewareFunc {
return buf.Write([]byte(c.QueryParam(tag[6:])))
case strings.HasPrefix(tag, "form:"):
return buf.Write([]byte(c.FormValue(tag[5:])))
case strings.HasPrefix(tag, "cookie:"):
cookie, err := c.Cookie(tag[7:])
if err == nil {
return buf.Write([]byte(cookie.Value))
}
}
}
return 0, nil

View File

@ -9,6 +9,6 @@ type (
)
// DefaultSkipper returns false which processes the middleware.
func DefaultSkipper(c echo.Context) bool {
func DefaultSkipper(echo.Context) bool {
return false
}

160
vendor/github.com/labstack/echo/middleware/proxy.go generated vendored Normal file
View File

@ -0,0 +1,160 @@
package middleware
import (
"errors"
"fmt"
"io"
"math/rand"
"net"
"net/http"
"net/http/httputil"
"net/url"
"sync/atomic"
"time"
"github.com/labstack/echo"
)
// TODO: Handle TLS proxy
type (
// ProxyConfig defines the config for Proxy middleware.
ProxyConfig struct {
// Skipper defines a function to skip middleware.
Skipper Skipper
// Balancer defines a load balancing technique.
// Required.
// Possible values:
// - RandomBalancer
// - RoundRobinBalancer
Balancer ProxyBalancer
}
// ProxyTarget defines the upstream target.
ProxyTarget struct {
URL *url.URL
}
// RandomBalancer implements a random load balancing technique.
RandomBalancer struct {
Targets []*ProxyTarget
random *rand.Rand
}
// RoundRobinBalancer implements a round-robin load balancing technique.
RoundRobinBalancer struct {
Targets []*ProxyTarget
i uint32
}
// ProxyBalancer defines an interface to implement a load balancing technique.
ProxyBalancer interface {
Next() *ProxyTarget
}
)
func proxyHTTP(t *ProxyTarget) http.Handler {
return httputil.NewSingleHostReverseProxy(t.URL)
}
func proxyRaw(t *ProxyTarget, c echo.Context) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
h, ok := w.(http.Hijacker)
if !ok {
c.Error(errors.New("proxy raw, not a hijacker"))
return
}
in, _, err := h.Hijack()
if err != nil {
c.Error(fmt.Errorf("proxy raw, hijack error=%v, url=%s", r.URL, err))
return
}
defer in.Close()
out, err := net.Dial("tcp", t.URL.Host)
if err != nil {
he := echo.NewHTTPError(http.StatusBadGateway, fmt.Sprintf("proxy raw, dial error=%v, url=%s", r.URL, err))
c.Error(he)
return
}
defer out.Close()
err = r.Write(out)
if err != nil {
he := echo.NewHTTPError(http.StatusBadGateway, fmt.Sprintf("proxy raw, request copy error=%v, url=%s", r.URL, err))
c.Error(he)
return
}
errc := make(chan error, 2)
cp := func(dst io.Writer, src io.Reader) {
_, err := io.Copy(dst, src)
errc <- err
}
go cp(out, in)
go cp(in, out)
err = <-errc
if err != nil && err != io.EOF {
c.Logger().Errorf("proxy raw, error=%v, url=%s", r.URL, err)
}
})
}
// Next randomly returns an upstream target.
func (r *RandomBalancer) Next() *ProxyTarget {
if r.random == nil {
r.random = rand.New(rand.NewSource(int64(time.Now().Nanosecond())))
}
return r.Targets[r.random.Intn(len(r.Targets))]
}
// Next returns an upstream target using round-robin technique.
func (r *RoundRobinBalancer) Next() *ProxyTarget {
r.i = r.i % uint32(len(r.Targets))
t := r.Targets[r.i]
atomic.AddUint32(&r.i, 1)
return t
}
// Proxy returns an HTTP/WebSocket reverse proxy middleware.
func Proxy(config ProxyConfig) echo.MiddlewareFunc {
// Defaults
if config.Skipper == nil {
config.Skipper = DefaultLoggerConfig.Skipper
}
if config.Balancer == nil {
panic("echo: proxy middleware requires balancer")
}
return func(next echo.HandlerFunc) echo.HandlerFunc {
return func(c echo.Context) (err error) {
req := c.Request()
res := c.Response()
tgt := config.Balancer.Next()
// Fix header
if req.Header.Get(echo.HeaderXRealIP) == "" {
req.Header.Set(echo.HeaderXRealIP, c.RealIP())
}
if req.Header.Get(echo.HeaderXForwardedProto) == "" {
req.Header.Set(echo.HeaderXForwardedProto, c.Scheme())
}
if c.IsWebSocket() && req.Header.Get(echo.HeaderXForwardedFor) == "" { // For HTTP, it is automatically set by Go HTTP reverse proxy.
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).ServeHTTP(res, req)
}
return
}
}
}

View File

@ -0,0 +1,64 @@
package middleware
import (
"github.com/labstack/echo"
"github.com/labstack/gommon/random"
)
type (
// RequestIDConfig defines the config for RequestID middleware.
RequestIDConfig struct {
// Skipper defines a function to skip middleware.
Skipper Skipper
// Generator defines a function to generate an ID.
// Optional. Default value random.String(32).
Generator func() string
}
)
var (
// DefaultRequestIDConfig is the default RequestID middleware config.
DefaultRequestIDConfig = RequestIDConfig{
Skipper: DefaultSkipper,
Generator: generator,
}
)
// RequestID returns a X-Request-ID middleware.
func RequestID() echo.MiddlewareFunc {
return RequestIDWithConfig(DefaultRequestIDConfig)
}
// RequestIDWithConfig returns a X-Request-ID middleware with config.
func RequestIDWithConfig(config RequestIDConfig) echo.MiddlewareFunc {
// Defaults
if config.Skipper == nil {
config.Skipper = DefaultRequestIDConfig.Skipper
}
if config.Generator == nil {
config.Generator = generator
}
return func(next echo.HandlerFunc) echo.HandlerFunc {
return func(c echo.Context) error {
if config.Skipper(c) {
return next(c)
}
req := c.Request()
res := c.Response()
rid := req.Header.Get(echo.HeaderXRequestID)
if rid == "" {
rid = config.Generator()
}
res.Header().Set(echo.HeaderXRequestID, rid)
return next(c)
}
}
}
func generator() string {
return random.String(32)
}

View File

@ -3,7 +3,9 @@ package middleware
import (
"fmt"
"os"
"path"
"path/filepath"
"strings"
"github.com/labstack/echo"
)
@ -53,6 +55,9 @@ func Static(root string) echo.MiddlewareFunc {
// See `Static()`.
func StaticWithConfig(config StaticConfig) echo.MiddlewareFunc {
// Defaults
if config.Root == "" {
config.Root = "." // For security we want to restrict to CWD.
}
if config.Skipper == nil {
config.Skipper = DefaultStaticConfig.Skipper
}
@ -62,26 +67,44 @@ func StaticWithConfig(config StaticConfig) echo.MiddlewareFunc {
return func(next echo.HandlerFunc) echo.HandlerFunc {
return func(c echo.Context) error {
p := c.Param("*")
name := filepath.Join(config.Root, p)
fi, err := os.Stat(name)
if config.Skipper(c) {
return next(c)
}
p := c.Request().URL.Path
if strings.HasSuffix(c.Path(), "*") { // When serving from a group, e.g. `/static*`.
p = c.Param("*")
}
name := filepath.Join(config.Root, path.Clean("/"+p)) // "/"+ for security
fi, err := os.Stat(name)
if err != nil {
if os.IsNotExist(err) {
if config.HTML5 {
if config.HTML5 && path.Ext(p) == "" {
return c.File(filepath.Join(config.Root, config.Index))
}
return echo.ErrNotFound
return next(c)
}
return err
}
if fi.IsDir() {
index := filepath.Join(name, config.Index)
fi, err = os.Stat(index)
if err != nil {
if config.Browse {
return listDir(name, c.Response())
}
return c.File(filepath.Join(name, config.Index))
if os.IsNotExist(err) {
return next(c)
}
return err
}
return c.File(index)
}
return c.File(name)
}
}

View File

@ -7,7 +7,7 @@ type (
// request matching and URL path parameter parsing.
Router struct {
tree *node
routes map[string]Route
routes map[string]*Route
echo *Echo
}
node struct {
@ -47,7 +47,7 @@ func NewRouter(e *Echo) *Router {
tree: &node{
methodHandler: new(methodHandler),
},
routes: make(map[string]Route),
routes: map[string]*Route{},
echo: e,
}
}
@ -101,7 +101,7 @@ func (r *Router) insert(method, path string, h HandlerFunc, t kind, ppath string
cn := r.tree // Current node as root
if cn == nil {
panic("echo invalid method")
panic("echo: invalid method")
}
search := path
@ -296,18 +296,19 @@ func (n *node) checkMethodNotAllowed() HandlerFunc {
// - Get context from `Echo#AcquireContext()`
// - Reset it `Context#Reset()`
// - Return it `Echo#ReleaseContext()`.
func (r *Router) Find(method, path string, context Context) {
context.SetPath(path)
func (r *Router) Find(method, path string, c Context) {
ctx := c.(*context)
ctx.path = path
cn := r.tree // Current node as root
var (
search = path
c *node // Child node
child *node // Child node
n int // Param counter
nk kind // Next kind
nn *node // Next node
ns string // Next search
pvalues = context.ParamValues()
pvalues = ctx.pvalues // Use the internal slice so the interface can keep the illusion of a dynamic slice
)
// Search order static > param > any
@ -352,20 +353,20 @@ func (r *Router) Find(method, path string, context Context) {
}
// Static node
if c = cn.findChild(search[0], skind); c != nil {
if child = cn.findChild(search[0], skind); child != nil {
// Save next
if cn.prefix[len(cn.prefix)-1] == '/' { // Issue #623
nk = pkind
nn = cn
ns = search
}
cn = c
cn = child
continue
}
// Param node
Param:
if c = cn.findChildByKind(pkind); c != nil {
if child = cn.findChildByKind(pkind); child != nil {
// Issue #378
if len(pvalues) == n {
continue
@ -378,7 +379,7 @@ func (r *Router) Find(method, path string, context Context) {
ns = search
}
cn = c
cn = child
i, l := 0, len(search)
for ; i < l && search[i] != '/'; i++ {
}
@ -409,13 +410,13 @@ func (r *Router) Find(method, path string, context Context) {
}
End:
context.SetHandler(cn.findHandler(method))
context.SetPath(cn.ppath)
context.SetParamNames(cn.pnames...)
ctx.handler = cn.findHandler(method)
ctx.path = cn.ppath
ctx.pnames = cn.pnames
// NOTE: Slow zone...
if context.Handler() == nil {
context.SetHandler(cn.checkMethodNotAllowed())
if ctx.handler == nil {
ctx.handler = cn.checkMethodNotAllowed()
// Dig further for any, might have an empty value for *, e.g.
// serving a directory. Issue #207.
@ -423,12 +424,12 @@ End:
return
}
if h := cn.findHandler(method); h != nil {
context.SetHandler(h)
ctx.handler = h
} else {
context.SetHandler(cn.checkMethodNotAllowed())
ctx.handler = cn.checkMethodNotAllowed()
}
context.SetPath(cn.ppath)
context.SetParamNames(cn.pnames...)
ctx.path = cn.ppath
ctx.pnames = cn.pnames
pvalues[len(cn.pnames)-1] = ""
}

View File

@ -2,22 +2,24 @@ package random
import (
"math/rand"
"strings"
"time"
)
type (
Random struct {
charset Charset
}
Charset string
)
// Charsets
const (
Alphanumeric Charset = Alphabetic + Numeric
Alphabetic Charset = "abcdefghijklmnopqrstuvwxyz" + "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
Numeric Charset = "0123456789"
Hex Charset = Numeric + "abcdef"
Uppercase string = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
Lowercase = "abcdefghijklmnopqrstuvwxyz"
Alphabetic = Uppercase + Lowercase
Numeric = "0123456789"
Alphanumeric = Alphabetic + Numeric
Symbols = "`" + `~!@#$%^&*()-_+={}[]|\;:"<>,./?`
Hex = Numeric + "abcdef"
)
var (
@ -26,27 +28,21 @@ var (
func New() *Random {
rand.Seed(time.Now().UnixNano())
return &Random{
charset: Alphanumeric,
return new(Random)
}
func (r *Random) String(length uint8, charsets ...string) string {
charset := strings.Join(charsets, "")
if charset == "" {
charset = Alphanumeric
}
}
func (r *Random) SetCharset(c Charset) {
r.charset = c
}
func (r *Random) String(length uint8) string {
b := make([]byte, length)
for i := range b {
b[i] = r.charset[rand.Int63()%int64(len(r.charset))]
b[i] = charset[rand.Int63()%int64(len(charset))]
}
return string(b)
}
func SetCharset(c Charset) {
global.SetCharset(c)
}
func String(length uint8) string {
return global.String(length)
func String(length uint8, charsets ...string) string {
return global.String(length, charsets...)
}

View File

@ -1,3 +1,5 @@
// +build !appengine
package fasttemplate
import (

11
vendor/github.com/valyala/fasttemplate/unsafe_gae.go generated vendored Normal file
View File

@ -0,0 +1,11 @@
// +build appengine
package fasttemplate
func unsafeBytes2String(b []byte) string {
return string(b)
}
func unsafeString2Bytes(s string) []byte {
return []byte(s)
}

14
vendor/manifest vendored
View File

@ -53,7 +53,7 @@
"importpath": "github.com/dgrijalva/jwt-go",
"repository": "https://github.com/dgrijalva/jwt-go",
"vcs": "git",
"revision": "2268707a8f0843315e2004ee4f1d021dc08baedf",
"revision": "6c8dedd55f8a2e41f605de6d5d66e51ed1f299fc",
"branch": "master",
"notests": true
},
@ -170,7 +170,7 @@
"importpath": "github.com/labstack/echo",
"repository": "https://github.com/labstack/echo",
"vcs": "git",
"revision": "0b53f397ad7709a27d37500a67735c0a639b5c38",
"revision": "c3887ebb131d996411cf13a9688ab02c8dba599e",
"branch": "master",
"notests": true
},
@ -178,7 +178,7 @@
"importpath": "github.com/labstack/gommon/bytes",
"repository": "https://github.com/labstack/gommon",
"vcs": "git",
"revision": "f72d3c883f8ea180da8f085dd320804c41332ad1",
"revision": "1121fd3e243c202482226a7afe4dcd07ffc4139a",
"branch": "master",
"path": "/bytes",
"notests": true
@ -187,7 +187,7 @@
"importpath": "github.com/labstack/gommon/color",
"repository": "https://github.com/labstack/gommon",
"vcs": "git",
"revision": "f72d3c883f8ea180da8f085dd320804c41332ad1",
"revision": "1121fd3e243c202482226a7afe4dcd07ffc4139a",
"branch": "master",
"path": "/color",
"notests": true
@ -196,7 +196,7 @@
"importpath": "github.com/labstack/gommon/log",
"repository": "https://github.com/labstack/gommon",
"vcs": "git",
"revision": "f72d3c883f8ea180da8f085dd320804c41332ad1",
"revision": "1121fd3e243c202482226a7afe4dcd07ffc4139a",
"branch": "master",
"path": "/log",
"notests": true
@ -205,7 +205,7 @@
"importpath": "github.com/labstack/gommon/random",
"repository": "https://github.com/labstack/gommon",
"vcs": "git",
"revision": "f72d3c883f8ea180da8f085dd320804c41332ad1",
"revision": "1121fd3e243c202482226a7afe4dcd07ffc4139a",
"branch": "master",
"path": "/random",
"notests": true
@ -424,7 +424,7 @@
"importpath": "github.com/valyala/fasttemplate",
"repository": "https://github.com/valyala/fasttemplate",
"vcs": "git",
"revision": "d090d65668a286d9a180d43a19dfdc5dcad8fe88",
"revision": "dcecefd839c4193db0d35b88ec65b4c12d360ab0",
"branch": "master",
"notests": true
},