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Update vendor
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Wim
666
vendor/github.com/labstack/echo/echo.go
generated
vendored
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666
vendor/github.com/labstack/echo/echo.go
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@ -0,0 +1,666 @@
|
||||
/*
|
||||
Package echo implements high performance, minimalist Go web framework.
|
||||
|
||||
Example:
|
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|
||||
package main
|
||||
|
||||
import (
|
||||
"net/http"
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||||
|
||||
"github.com/labstack/echo"
|
||||
"github.com/labstack/echo/middleware"
|
||||
)
|
||||
|
||||
// Handler
|
||||
func hello(c echo.Context) error {
|
||||
return c.String(http.StatusOK, "Hello, World!")
|
||||
}
|
||||
|
||||
func main() {
|
||||
// Echo instance
|
||||
e := echo.New()
|
||||
|
||||
// Middleware
|
||||
e.Use(middleware.Logger())
|
||||
e.Use(middleware.Recover())
|
||||
|
||||
// Routes
|
||||
e.GET("/", hello)
|
||||
|
||||
// Start server
|
||||
e.Logger.Fatal(e.Start(":1323"))
|
||||
}
|
||||
|
||||
Learn more at https://echo.labstack.com
|
||||
*/
|
||||
package echo
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"crypto/tls"
|
||||
"errors"
|
||||
"fmt"
|
||||
"io"
|
||||
slog "log"
|
||||
"net"
|
||||
"net/http"
|
||||
"path"
|
||||
"reflect"
|
||||
"runtime"
|
||||
"sync"
|
||||
"time"
|
||||
|
||||
"github.com/labstack/gommon/color"
|
||||
"github.com/labstack/gommon/log"
|
||||
"golang.org/x/crypto/acme/autocert"
|
||||
)
|
||||
|
||||
type (
|
||||
// Echo is the top-level framework instance.
|
||||
Echo struct {
|
||||
stdLogger *slog.Logger
|
||||
colorer *color.Color
|
||||
premiddleware []MiddlewareFunc
|
||||
middleware []MiddlewareFunc
|
||||
maxParam *int
|
||||
router *Router
|
||||
notFoundHandler HandlerFunc
|
||||
pool sync.Pool
|
||||
Server *http.Server
|
||||
TLSServer *http.Server
|
||||
Listener net.Listener
|
||||
TLSListener net.Listener
|
||||
DisableHTTP2 bool
|
||||
Debug bool
|
||||
HTTPErrorHandler HTTPErrorHandler
|
||||
Binder Binder
|
||||
Validator Validator
|
||||
Renderer Renderer
|
||||
AutoTLSManager autocert.Manager
|
||||
Mutex sync.RWMutex
|
||||
Logger Logger
|
||||
}
|
||||
|
||||
// Route contains a handler and information for matching against requests.
|
||||
Route struct {
|
||||
Method string
|
||||
Path string
|
||||
Handler string
|
||||
}
|
||||
|
||||
// HTTPError represents an error that occurred while handling a request.
|
||||
HTTPError struct {
|
||||
Code int
|
||||
Message interface{}
|
||||
}
|
||||
|
||||
// MiddlewareFunc defines a function to process middleware.
|
||||
MiddlewareFunc func(HandlerFunc) HandlerFunc
|
||||
|
||||
// HandlerFunc defines a function to server HTTP requests.
|
||||
HandlerFunc func(Context) error
|
||||
|
||||
// HTTPErrorHandler is a centralized HTTP error handler.
|
||||
HTTPErrorHandler func(error, Context)
|
||||
|
||||
// Validator is the interface that wraps the Validate function.
|
||||
Validator interface {
|
||||
Validate(i interface{}) error
|
||||
}
|
||||
|
||||
// Renderer is the interface that wraps the Render function.
|
||||
Renderer interface {
|
||||
Render(io.Writer, string, interface{}, Context) error
|
||||
}
|
||||
|
||||
// Map defines a generic map of type `map[string]interface{}`.
|
||||
Map map[string]interface{}
|
||||
|
||||
// i is the interface for Echo and Group.
|
||||
i interface {
|
||||
GET(string, HandlerFunc, ...MiddlewareFunc)
|
||||
}
|
||||
)
|
||||
|
||||
// HTTP methods
|
||||
const (
|
||||
CONNECT = "CONNECT"
|
||||
DELETE = "DELETE"
|
||||
GET = "GET"
|
||||
HEAD = "HEAD"
|
||||
OPTIONS = "OPTIONS"
|
||||
PATCH = "PATCH"
|
||||
POST = "POST"
|
||||
PUT = "PUT"
|
||||
TRACE = "TRACE"
|
||||
)
|
||||
|
||||
// MIME types
|
||||
const (
|
||||
MIMEApplicationJSON = "application/json"
|
||||
MIMEApplicationJSONCharsetUTF8 = MIMEApplicationJSON + "; " + charsetUTF8
|
||||
MIMEApplicationJavaScript = "application/javascript"
|
||||
MIMEApplicationJavaScriptCharsetUTF8 = MIMEApplicationJavaScript + "; " + charsetUTF8
|
||||
MIMEApplicationXML = "application/xml"
|
||||
MIMEApplicationXMLCharsetUTF8 = MIMEApplicationXML + "; " + charsetUTF8
|
||||
MIMEApplicationForm = "application/x-www-form-urlencoded"
|
||||
MIMEApplicationProtobuf = "application/protobuf"
|
||||
MIMEApplicationMsgpack = "application/msgpack"
|
||||
MIMETextHTML = "text/html"
|
||||
MIMETextHTMLCharsetUTF8 = MIMETextHTML + "; " + charsetUTF8
|
||||
MIMETextPlain = "text/plain"
|
||||
MIMETextPlainCharsetUTF8 = MIMETextPlain + "; " + charsetUTF8
|
||||
MIMEMultipartForm = "multipart/form-data"
|
||||
MIMEOctetStream = "application/octet-stream"
|
||||
)
|
||||
|
||||
const (
|
||||
charsetUTF8 = "charset=UTF-8"
|
||||
)
|
||||
|
||||
// Headers
|
||||
const (
|
||||
HeaderAcceptEncoding = "Accept-Encoding"
|
||||
HeaderAllow = "Allow"
|
||||
HeaderAuthorization = "Authorization"
|
||||
HeaderContentDisposition = "Content-Disposition"
|
||||
HeaderContentEncoding = "Content-Encoding"
|
||||
HeaderContentLength = "Content-Length"
|
||||
HeaderContentType = "Content-Type"
|
||||
HeaderCookie = "Cookie"
|
||||
HeaderSetCookie = "Set-Cookie"
|
||||
HeaderIfModifiedSince = "If-Modified-Since"
|
||||
HeaderLastModified = "Last-Modified"
|
||||
HeaderLocation = "Location"
|
||||
HeaderUpgrade = "Upgrade"
|
||||
HeaderVary = "Vary"
|
||||
HeaderWWWAuthenticate = "WWW-Authenticate"
|
||||
HeaderXForwardedProto = "X-Forwarded-Proto"
|
||||
HeaderXHTTPMethodOverride = "X-HTTP-Method-Override"
|
||||
HeaderXForwardedFor = "X-Forwarded-For"
|
||||
HeaderXRealIP = "X-Real-IP"
|
||||
HeaderServer = "Server"
|
||||
HeaderOrigin = "Origin"
|
||||
HeaderAccessControlRequestMethod = "Access-Control-Request-Method"
|
||||
HeaderAccessControlRequestHeaders = "Access-Control-Request-Headers"
|
||||
HeaderAccessControlAllowOrigin = "Access-Control-Allow-Origin"
|
||||
HeaderAccessControlAllowMethods = "Access-Control-Allow-Methods"
|
||||
HeaderAccessControlAllowHeaders = "Access-Control-Allow-Headers"
|
||||
HeaderAccessControlAllowCredentials = "Access-Control-Allow-Credentials"
|
||||
HeaderAccessControlExposeHeaders = "Access-Control-Expose-Headers"
|
||||
HeaderAccessControlMaxAge = "Access-Control-Max-Age"
|
||||
|
||||
// Security
|
||||
HeaderStrictTransportSecurity = "Strict-Transport-Security"
|
||||
HeaderXContentTypeOptions = "X-Content-Type-Options"
|
||||
HeaderXXSSProtection = "X-XSS-Protection"
|
||||
HeaderXFrameOptions = "X-Frame-Options"
|
||||
HeaderContentSecurityPolicy = "Content-Security-Policy"
|
||||
HeaderXCSRFToken = "X-CSRF-Token"
|
||||
)
|
||||
|
||||
var (
|
||||
methods = [...]string{
|
||||
CONNECT,
|
||||
DELETE,
|
||||
GET,
|
||||
HEAD,
|
||||
OPTIONS,
|
||||
PATCH,
|
||||
POST,
|
||||
PUT,
|
||||
TRACE,
|
||||
}
|
||||
)
|
||||
|
||||
// Errors
|
||||
var (
|
||||
ErrUnsupportedMediaType = NewHTTPError(http.StatusUnsupportedMediaType)
|
||||
ErrNotFound = NewHTTPError(http.StatusNotFound)
|
||||
ErrUnauthorized = NewHTTPError(http.StatusUnauthorized)
|
||||
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")
|
||||
)
|
||||
|
||||
// Error handlers
|
||||
var (
|
||||
NotFoundHandler = func(c Context) error {
|
||||
return ErrNotFound
|
||||
}
|
||||
|
||||
MethodNotAllowedHandler = func(c Context) error {
|
||||
return ErrMethodNotAllowed
|
||||
}
|
||||
)
|
||||
|
||||
// New creates an instance of Echo.
|
||||
func New() (e *Echo) {
|
||||
e = &Echo{
|
||||
Server: new(http.Server),
|
||||
TLSServer: new(http.Server),
|
||||
AutoTLSManager: autocert.Manager{
|
||||
Prompt: autocert.AcceptTOS,
|
||||
},
|
||||
Logger: log.New("echo"),
|
||||
colorer: color.New(),
|
||||
maxParam: new(int),
|
||||
}
|
||||
e.Server.Handler = e
|
||||
e.TLSServer.Handler = e
|
||||
e.HTTPErrorHandler = e.DefaultHTTPErrorHandler
|
||||
e.Binder = &DefaultBinder{}
|
||||
e.Logger.SetLevel(log.OFF)
|
||||
e.stdLogger = slog.New(e.Logger.Output(), e.Logger.Prefix()+": ", 0)
|
||||
e.pool.New = func() interface{} {
|
||||
return e.NewContext(nil, nil)
|
||||
}
|
||||
e.router = NewRouter(e)
|
||||
return
|
||||
}
|
||||
|
||||
// NewContext returns a Context instance.
|
||||
func (e *Echo) NewContext(r *http.Request, w http.ResponseWriter) Context {
|
||||
return &context{
|
||||
request: r,
|
||||
response: NewResponse(w, e),
|
||||
store: make(Map),
|
||||
echo: e,
|
||||
pvalues: make([]string, *e.maxParam),
|
||||
handler: NotFoundHandler,
|
||||
}
|
||||
}
|
||||
|
||||
// Router returns router.
|
||||
func (e *Echo) Router() *Router {
|
||||
return e.router
|
||||
}
|
||||
|
||||
// DefaultHTTPErrorHandler is the default HTTP error handler. It sends a JSON response
|
||||
// with status code.
|
||||
func (e *Echo) DefaultHTTPErrorHandler(err error, c Context) {
|
||||
var (
|
||||
code = http.StatusInternalServerError
|
||||
msg interface{}
|
||||
)
|
||||
|
||||
if he, ok := err.(*HTTPError); ok {
|
||||
code = he.Code
|
||||
msg = he.Message
|
||||
} else if e.Debug {
|
||||
msg = err.Error()
|
||||
} else {
|
||||
msg = http.StatusText(code)
|
||||
}
|
||||
if _, ok := msg.(string); ok {
|
||||
msg = Map{"message": msg}
|
||||
}
|
||||
|
||||
if !c.Response().Committed {
|
||||
if c.Request().Method == HEAD { // Issue #608
|
||||
if err := c.NoContent(code); err != nil {
|
||||
goto ERROR
|
||||
}
|
||||
} else {
|
||||
if err := c.JSON(code, msg); err != nil {
|
||||
goto ERROR
|
||||
}
|
||||
}
|
||||
}
|
||||
ERROR:
|
||||
e.Logger.Error(err)
|
||||
}
|
||||
|
||||
// Pre adds middleware to the chain which is run before router.
|
||||
func (e *Echo) Pre(middleware ...MiddlewareFunc) {
|
||||
e.premiddleware = append(e.premiddleware, middleware...)
|
||||
}
|
||||
|
||||
// Use adds middleware to the chain which is run after router.
|
||||
func (e *Echo) Use(middleware ...MiddlewareFunc) {
|
||||
e.middleware = append(e.middleware, middleware...)
|
||||
}
|
||||
|
||||
// CONNECT registers a new CONNECT route for a path with matching handler in the
|
||||
// router with optional route-level middleware.
|
||||
func (e *Echo) CONNECT(path string, h HandlerFunc, m ...MiddlewareFunc) {
|
||||
e.add(CONNECT, path, h, m...)
|
||||
}
|
||||
|
||||
// DELETE registers a new DELETE route for a path with matching handler in the router
|
||||
// with optional route-level middleware.
|
||||
func (e *Echo) DELETE(path string, h HandlerFunc, m ...MiddlewareFunc) {
|
||||
e.add(DELETE, path, h, m...)
|
||||
}
|
||||
|
||||
// GET registers a new GET route for a path with matching handler in the router
|
||||
// with optional route-level middleware.
|
||||
func (e *Echo) GET(path string, h HandlerFunc, m ...MiddlewareFunc) {
|
||||
e.add(GET, path, h, m...)
|
||||
}
|
||||
|
||||
// HEAD registers a new HEAD route for a path with matching handler in the
|
||||
// router with optional route-level middleware.
|
||||
func (e *Echo) HEAD(path string, h HandlerFunc, m ...MiddlewareFunc) {
|
||||
e.add(HEAD, path, h, m...)
|
||||
}
|
||||
|
||||
// OPTIONS registers a new OPTIONS route for a path with matching handler in the
|
||||
// router with optional route-level middleware.
|
||||
func (e *Echo) OPTIONS(path string, h HandlerFunc, m ...MiddlewareFunc) {
|
||||
e.add(OPTIONS, path, h, m...)
|
||||
}
|
||||
|
||||
// PATCH registers a new PATCH route for a path with matching handler in the
|
||||
// router with optional route-level middleware.
|
||||
func (e *Echo) PATCH(path string, h HandlerFunc, m ...MiddlewareFunc) {
|
||||
e.add(PATCH, path, h, m...)
|
||||
}
|
||||
|
||||
// POST registers a new POST route for a path with matching handler in the
|
||||
// router with optional route-level middleware.
|
||||
func (e *Echo) POST(path string, h HandlerFunc, m ...MiddlewareFunc) {
|
||||
e.add(POST, path, h, m...)
|
||||
}
|
||||
|
||||
// PUT registers a new PUT route for a path with matching handler in the
|
||||
// router with optional route-level middleware.
|
||||
func (e *Echo) PUT(path string, h HandlerFunc, m ...MiddlewareFunc) {
|
||||
e.add(PUT, path, h, m...)
|
||||
}
|
||||
|
||||
// TRACE registers a new TRACE route for a path with matching handler in the
|
||||
// router with optional route-level middleware.
|
||||
func (e *Echo) TRACE(path string, h HandlerFunc, m ...MiddlewareFunc) {
|
||||
e.add(TRACE, path, h, m...)
|
||||
}
|
||||
|
||||
// Any registers a new route for all HTTP methods and path with matching handler
|
||||
// in the router with optional route-level middleware.
|
||||
func (e *Echo) Any(path string, handler HandlerFunc, middleware ...MiddlewareFunc) {
|
||||
for _, m := range methods {
|
||||
e.add(m, path, handler, middleware...)
|
||||
}
|
||||
}
|
||||
|
||||
// Match registers a new route for multiple HTTP methods and path with matching
|
||||
// handler in the router with optional route-level middleware.
|
||||
func (e *Echo) Match(methods []string, path string, handler HandlerFunc, middleware ...MiddlewareFunc) {
|
||||
for _, m := range methods {
|
||||
e.add(m, path, handler, middleware...)
|
||||
}
|
||||
}
|
||||
|
||||
// Static registers a new route with path prefix to serve static files from the
|
||||
// provided root directory.
|
||||
func (e *Echo) Static(prefix, root string) {
|
||||
static(e, prefix, root)
|
||||
}
|
||||
|
||||
func static(i i, prefix, root string) {
|
||||
h := func(c Context) error {
|
||||
return c.File(path.Join(root, c.Param("*")))
|
||||
}
|
||||
i.GET(prefix, h)
|
||||
if prefix == "/" {
|
||||
i.GET(prefix+"*", h)
|
||||
} else {
|
||||
i.GET(prefix+"/*", h)
|
||||
}
|
||||
}
|
||||
|
||||
// File registers a new route with path to serve a static file.
|
||||
func (e *Echo) File(path, file string) {
|
||||
e.GET(path, func(c Context) error {
|
||||
return c.File(file)
|
||||
})
|
||||
}
|
||||
|
||||
func (e *Echo) add(method, path string, handler HandlerFunc, middleware ...MiddlewareFunc) {
|
||||
name := handlerName(handler)
|
||||
e.router.Add(method, path, func(c Context) error {
|
||||
h := handler
|
||||
// Chain middleware
|
||||
for i := len(middleware) - 1; i >= 0; i-- {
|
||||
h = middleware[i](h)
|
||||
}
|
||||
return h(c)
|
||||
})
|
||||
r := Route{
|
||||
Method: method,
|
||||
Path: path,
|
||||
Handler: name,
|
||||
}
|
||||
e.router.routes[method+path] = r
|
||||
}
|
||||
|
||||
// Group creates a new router group with prefix and optional group-level middleware.
|
||||
func (e *Echo) Group(prefix string, m ...MiddlewareFunc) (g *Group) {
|
||||
g = &Group{prefix: prefix, echo: e}
|
||||
g.Use(m...)
|
||||
return
|
||||
}
|
||||
|
||||
// URI generates a URI from handler.
|
||||
func (e *Echo) URI(handler HandlerFunc, params ...interface{}) string {
|
||||
uri := new(bytes.Buffer)
|
||||
ln := len(params)
|
||||
n := 0
|
||||
name := handlerName(handler)
|
||||
for _, r := range e.router.routes {
|
||||
if r.Handler == name {
|
||||
for i, l := 0, len(r.Path); i < l; i++ {
|
||||
if r.Path[i] == ':' && n < ln {
|
||||
for ; i < l && r.Path[i] != '/'; i++ {
|
||||
}
|
||||
uri.WriteString(fmt.Sprintf("%v", params[n]))
|
||||
n++
|
||||
}
|
||||
if i < l {
|
||||
uri.WriteByte(r.Path[i])
|
||||
}
|
||||
}
|
||||
break
|
||||
}
|
||||
}
|
||||
return uri.String()
|
||||
}
|
||||
|
||||
// URL is an alias for `URI` function.
|
||||
func (e *Echo) URL(h HandlerFunc, params ...interface{}) string {
|
||||
return e.URI(h, params...)
|
||||
}
|
||||
|
||||
// Routes returns the registered routes.
|
||||
func (e *Echo) Routes() []Route {
|
||||
routes := []Route{}
|
||||
for _, v := range e.router.routes {
|
||||
routes = append(routes, v)
|
||||
}
|
||||
return routes
|
||||
}
|
||||
|
||||
// AcquireContext returns an empty `Context` instance from the pool.
|
||||
// You must return the context by calling `ReleaseContext()`.
|
||||
func (e *Echo) AcquireContext() Context {
|
||||
return e.pool.Get().(Context)
|
||||
}
|
||||
|
||||
// ReleaseContext returns the `Context` instance back to the pool.
|
||||
// You must call it after `AcquireContext()`.
|
||||
func (e *Echo) ReleaseContext(c Context) {
|
||||
e.pool.Put(c)
|
||||
}
|
||||
|
||||
// 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
|
||||
path := r.URL.EscapedPath()
|
||||
e.router.Find(method, path, 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)
|
||||
}
|
||||
|
||||
// Execute chain
|
||||
if err := h(c); err != nil {
|
||||
e.HTTPErrorHandler(err, c)
|
||||
}
|
||||
}
|
||||
|
||||
// Start starts an HTTP server.
|
||||
func (e *Echo) Start(address string) error {
|
||||
e.Server.Addr = address
|
||||
return e.StartServer(e.Server)
|
||||
}
|
||||
|
||||
// StartTLS starts an HTTPS server.
|
||||
func (e *Echo) StartTLS(address string, certFile, keyFile string) (err error) {
|
||||
if certFile == "" || keyFile == "" {
|
||||
return errors.New("invalid tls configuration")
|
||||
}
|
||||
s := e.TLSServer
|
||||
s.TLSConfig = new(tls.Config)
|
||||
s.TLSConfig.Certificates = make([]tls.Certificate, 1)
|
||||
s.TLSConfig.Certificates[0], err = tls.LoadX509KeyPair(certFile, keyFile)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
return e.startTLS(address)
|
||||
}
|
||||
|
||||
// StartAutoTLS starts an HTTPS server using certificates automatically installed from https://letsencrypt.org.
|
||||
func (e *Echo) StartAutoTLS(address string) error {
|
||||
s := e.TLSServer
|
||||
s.TLSConfig = new(tls.Config)
|
||||
s.TLSConfig.GetCertificate = e.AutoTLSManager.GetCertificate
|
||||
return e.startTLS(address)
|
||||
}
|
||||
|
||||
func (e *Echo) startTLS(address string) error {
|
||||
s := e.TLSServer
|
||||
s.Addr = address
|
||||
if !e.DisableHTTP2 {
|
||||
s.TLSConfig.NextProtos = append(s.TLSConfig.NextProtos, "h2")
|
||||
}
|
||||
return e.StartServer(e.TLSServer)
|
||||
}
|
||||
|
||||
// StartServer starts a custom http server.
|
||||
func (e *Echo) StartServer(s *http.Server) (err error) {
|
||||
// Setup
|
||||
e.colorer.SetOutput(e.Logger.Output())
|
||||
s.Handler = e
|
||||
s.ErrorLog = e.stdLogger
|
||||
|
||||
if s.TLSConfig == nil {
|
||||
if e.Listener == nil {
|
||||
e.Listener, err = newListener(s.Addr)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
e.colorer.Printf("⇛ http server started on %s\n", e.colorer.Green(e.Listener.Addr()))
|
||||
return s.Serve(e.Listener)
|
||||
}
|
||||
if e.TLSListener == nil {
|
||||
l, err := newListener(s.Addr)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
e.TLSListener = tls.NewListener(l, s.TLSConfig)
|
||||
}
|
||||
e.colorer.Printf("⇛ https server started on %s\n", e.colorer.Green(e.TLSListener.Addr()))
|
||||
return s.Serve(e.TLSListener)
|
||||
}
|
||||
|
||||
// NewHTTPError creates a new HTTPError instance.
|
||||
func NewHTTPError(code int, message ...interface{}) *HTTPError {
|
||||
he := &HTTPError{Code: code, Message: http.StatusText(code)}
|
||||
if len(message) > 0 {
|
||||
he.Message = message[0]
|
||||
}
|
||||
return he
|
||||
}
|
||||
|
||||
// Error makes it compatible with `error` interface.
|
||||
func (he *HTTPError) Error() string {
|
||||
return fmt.Sprintf("code=%d, message=%s", he.Code, he.Message)
|
||||
}
|
||||
|
||||
// WrapHandler wraps `http.Handler` into `echo.HandlerFunc`.
|
||||
func WrapHandler(h http.Handler) HandlerFunc {
|
||||
return func(c Context) error {
|
||||
h.ServeHTTP(c.Response(), c.Request())
|
||||
return nil
|
||||
}
|
||||
}
|
||||
|
||||
// WrapMiddleware wraps `func(http.Handler) http.Handler` into `echo.MiddlewareFunc`
|
||||
func WrapMiddleware(m func(http.Handler) http.Handler) MiddlewareFunc {
|
||||
return func(next HandlerFunc) HandlerFunc {
|
||||
return func(c Context) (err error) {
|
||||
m(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
c.SetRequest(r)
|
||||
err = next(c)
|
||||
})).ServeHTTP(c.Response(), c.Request())
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func handlerName(h HandlerFunc) string {
|
||||
t := reflect.ValueOf(h).Type()
|
||||
if t.Kind() == reflect.Func {
|
||||
return runtime.FuncForPC(reflect.ValueOf(h).Pointer()).Name()
|
||||
}
|
||||
return t.String()
|
||||
}
|
||||
|
||||
// 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
|
||||
// go away.
|
||||
type tcpKeepAliveListener struct {
|
||||
*net.TCPListener
|
||||
}
|
||||
|
||||
func (ln tcpKeepAliveListener) Accept() (c net.Conn, err error) {
|
||||
tc, err := ln.AcceptTCP()
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
tc.SetKeepAlive(true)
|
||||
tc.SetKeepAlivePeriod(3 * time.Minute)
|
||||
return tc, nil
|
||||
}
|
||||
|
||||
func newListener(address string) (*tcpKeepAliveListener, error) {
|
||||
l, err := net.Listen("tcp", address)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return &tcpKeepAliveListener{l.(*net.TCPListener)}, nil
|
||||
}
|
||||
Reference in New Issue
Block a user