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Upgrade to go 1.19 and update dependencies (#3069)

Browse Source 
* Update to go 1.19
* Update dependencies
* Update cross-compile script
* Add missing targets to cross-compile-all
* Update cache action to remove warning
This commit is contained in:
WithoutPants
2022-11-04 13:41:26 +11:00
committed by GitHub
parent f25881a3bf
commit bba7c23957
939 changed files with 101336 additions and 43819 deletions
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2
vendor/github.com/go-chi/chi/.travis.yml generated vendored
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@@ -4,6 +4,8 @@ go:
- 1.10.x
- 1.11.x
- 1.12.x
- 1.13.x
- 1.14.x
script:
- go get -d -t ./...

51
vendor/github.com/go-chi/chi/CHANGELOG.md generated vendored
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@@ -1,5 +1,56 @@
# Changelog
## v4.1.2 (2020-06-02)
- fix that handles MethodNotAllowed with path variables, thank you @caseyhadden for your contribution
- fix to replace nested wildcards correctly in RoutePattern, thank you @@unmultimedio for your contribution
- History of changes: see https://github.com/go-chi/chi/compare/v4.1.1...v4.1.2
## v4.1.1 (2020-04-16)
- fix for issue https://github.com/go-chi/chi/issues/411 which allows for overlapping regexp
route to the correct handler through a recursive tree search, thanks to @Jahaja for the PR/fix!
- new middleware.RouteHeaders as a simple router for request headers with wildcard support
- History of changes: see https://github.com/go-chi/chi/compare/v4.1.0...v4.1.1
## v4.1.0 (2020-04-1)
- middleware.LogEntry: Write method on interface now passes the response header
and an extra interface type useful for custom logger implementations.
- middleware.WrapResponseWriter: minor fix
- middleware.Recoverer: a bit prettier
- History of changes: see https://github.com/go-chi/chi/compare/v4.0.4...v4.1.0
## v4.0.4 (2020-03-24)
- middleware.Recoverer: new pretty stack trace printing (https://github.com/go-chi/chi/pull/496)
- a few minor improvements and fixes
- History of changes: see https://github.com/go-chi/chi/compare/v4.0.3...v4.0.4
## v4.0.3 (2020-01-09)
- core: fix regexp routing to include default value when param is not matched
- middleware: rewrite of middleware.Compress
- middleware: suppress http.ErrAbortHandler in middleware.Recoverer
- History of changes: see https://github.com/go-chi/chi/compare/v4.0.2...v4.0.3
## v4.0.2 (2019-02-26)
- Minor fixes
- History of changes: see https://github.com/go-chi/chi/compare/v4.0.1...v4.0.2
## v4.0.1 (2019-01-21)
- Fixes issue with compress middleware: #382 #385
- History of changes: see https://github.com/go-chi/chi/compare/v4.0.0...v4.0.1
## v4.0.0 (2019-01-10)
- chi v4 requires Go 1.10.3+ (or Go 1.9.7+) - we have deprecated support for Go 1.7 and 1.8

39
vendor/github.com/go-chi/chi/README.md generated vendored
View File

@@ -28,7 +28,7 @@ included some useful/optional subpackages: [middleware](/middleware), [render](h
* **Fast** - yes, see [benchmarks](#benchmarks)
* **100% compatible with net/http** - use any http or middleware pkg in the ecosystem that is also compatible with `net/http`
* **Designed for modular/composable APIs** - middlewares, inline middlewares, route groups and subrouter mounting
* **Context control** - built on new `context` package, providing value chaining, cancelations and timeouts
* **Context control** - built on new `context` package, providing value chaining, cancellations and timeouts
* **Robust** - in production at Pressly, CloudFlare, Heroku, 99Designs, and many others (see [discussion](https://github.com/go-chi/chi/issues/91))
* **Doc generation** - `docgen` auto-generates routing documentation from your source to JSON or Markdown
* **No external dependencies** - plain ol' Go stdlib + net/http
@@ -46,11 +46,14 @@ package main
import (
"net/http"
"github.com/go-chi/chi"
"github.com/go-chi/chi/middleware"
)
func main() {
r := chi.NewRouter()
r.Use(middleware.Logger)
r.Get("/", func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("welcome"))
})
@@ -179,7 +182,7 @@ type Router interface {
http.Handler
Routes
// Use appends one of more middlewares onto the Router stack.
// Use appends one or more middlewares onto the Router stack.
Use(middlewares ...func(http.Handler) http.Handler)
// With adds inline middlewares for an endpoint handler.
@@ -312,9 +315,10 @@ with `net/http` can be used with chi's mux.
### Core middlewares
-----------------------------------------------------------------------------------------------------------
| chi/middleware Handler | description |
| chi/middleware Handler | description |
|:----------------------|:---------------------------------------------------------------------------------
| AllowContentType | Explicit whitelist of accepted request Content-Types |
| BasicAuth | Basic HTTP authentication |
| Compress | Gzip compression for clients that accept compressed responses |
| GetHead | Automatically route undefined HEAD requests to GET handlers |
| Heartbeat | Monitoring endpoint to check the servers pulse |
@@ -333,7 +337,7 @@ with `net/http` can be used with chi's mux.
| WithValue | Short-hand middleware to set a key/value on the request context |
-----------------------------------------------------------------------------------------------------------
### Auxiliary middlewares & packages
### Extra middlewares & packages
Please see https://github.com/go-chi for additional packages.
@@ -344,9 +348,11 @@ Please see https://github.com/go-chi for additional packages.
| [docgen](https://github.com/go-chi/docgen) | Print chi.Router routes at runtime |
| [jwtauth](https://github.com/go-chi/jwtauth) | JWT authentication |
| [hostrouter](https://github.com/go-chi/hostrouter) | Domain/host based request routing |
| [httpcoala](https://github.com/go-chi/httpcoala) | HTTP request coalescer |
| [chi-authz](https://github.com/casbin/chi-authz) | Request ACL via https://github.com/hsluoyz/casbin |
| [phi](https://github.com/fate-lovely/phi) | Port chi to [fasthttp](https://github.com/valyala/fasthttp) |
| [httplog](https://github.com/go-chi/httplog) | Small but powerful structured HTTP request logging |
| [httprate](https://github.com/go-chi/httprate) | HTTP request rate limiter |
| [httptracer](https://github.com/go-chi/httptracer) | HTTP request performance tracing library |
| [httpvcr](https://github.com/go-chi/httpvcr) | Write deterministic tests for external sources |
| [stampede](https://github.com/go-chi/stampede) | HTTP request coalescer |
--------------------------------------------------------------------------------------------------------------------
please [submit a PR](./CONTRIBUTING.md) if you'd like to include a link to a chi-compatible middleware
@@ -412,18 +418,15 @@ We'll be more than happy to see [your contributions](./CONTRIBUTING.md)!
## Beyond REST
chi is just a http router that lets you decompose request handling into many smaller layers.
Many companies including Pressly.com (of course) use chi to write REST services for their public
APIs. But, REST is just a convention for managing state via HTTP, and there's a lot of other pieces
required to write a complete client-server system or network of microservices.
Many companies use chi to write REST services for their public APIs. But, REST is just a convention
for managing state via HTTP, and there's a lot of other pieces required to write a complete client-server
system or network of microservices.
Looking ahead beyond REST, I also recommend some newer works in the field coming from
[gRPC](https://github.com/grpc/grpc-go), [NATS](https://nats.io), [go-kit](https://github.com/go-kit/kit)
and even [graphql](https://github.com/graphql-go/graphql). They're all pretty cool with their
own unique approaches and benefits. Specifically, I'd look at gRPC since it makes client-server
communication feel like a single program on a single computer, no need to hand-write a client library
and the request/response payloads are typed contracts. NATS is pretty amazing too as a super
fast and lightweight pub-sub transport that can speak protobufs, with nice service discovery -
an excellent combination with gRPC.
Looking beyond REST, I also recommend some newer works in the field:
* [webrpc](https://github.com/webrpc/webrpc) - Web-focused RPC client+server framework with code-gen
* [gRPC](https://github.com/grpc/grpc-go) - Google's RPC framework via protobufs
* [graphql](https://github.com/99designs/gqlgen) - Declarative query language
* [NATS](https://nats.io) - lightweight pub-sub
## License

4
vendor/github.com/go-chi/chi/chi.go generated vendored
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@@ -1,7 +1,7 @@
//
// Package chi is a small, idiomatic and composable router for building HTTP services.
//
// chi requires Go 1.7 or newer.
// chi requires Go 1.10 or newer.
//
// Example:
// package main
@@ -68,7 +68,7 @@ type Router interface {
http.Handler
Routes
// Use appends one of more middlewares onto the Router stack.
// Use appends one or more middlewares onto the Router stack.
Use(middlewares ...func(http.Handler) http.Handler)
// With adds inline middlewares for an endpoint handler.

103
vendor/github.com/go-chi/chi/context.go generated vendored
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@@ -7,6 +7,54 @@ import (
"strings"
)
// URLParam returns the url parameter from a http.Request object.
func URLParam(r *http.Request, key string) string {
if rctx := RouteContext(r.Context()); rctx != nil {
return rctx.URLParam(key)
}
return ""
}
// URLParamFromCtx returns the url parameter from a http.Request Context.
func URLParamFromCtx(ctx context.Context, key string) string {
if rctx := RouteContext(ctx); rctx != nil {
return rctx.URLParam(key)
}
return ""
}
// RouteContext returns chi's routing Context object from a
// http.Request Context.
func RouteContext(ctx context.Context) *Context {
val, _ := ctx.Value(RouteCtxKey).(*Context)
return val
}
// ServerBaseContext wraps an http.Handler to set the request context to the
// `baseCtx`.
func ServerBaseContext(baseCtx context.Context, h http.Handler) http.Handler {
fn := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
baseCtx := baseCtx
// Copy over default net/http server context keys
if v, ok := ctx.Value(http.ServerContextKey).(*http.Server); ok {
baseCtx = context.WithValue(baseCtx, http.ServerContextKey, v)
}
if v, ok := ctx.Value(http.LocalAddrContextKey).(net.Addr); ok {
baseCtx = context.WithValue(baseCtx, http.LocalAddrContextKey, v)
}
h.ServeHTTP(w, r.WithContext(baseCtx))
})
return fn
}
// NewRouteContext returns a new routing Context object.
func NewRouteContext() *Context {
return &Context{}
}
var (
// RouteCtxKey is the context.Context key to store the request context.
RouteCtxKey = &contextKey{"RouteContext"}
@@ -46,11 +94,6 @@ type Context struct {
methodNotAllowed bool
}
// NewRouteContext returns a new routing Context object.
func NewRouteContext() *Context {
return &Context{}
}
// Reset a routing context to its initial state.
func (x *Context) Reset() {
x.Routes = nil
@@ -93,29 +136,17 @@ func (x *Context) URLParam(key string) string {
// }
func (x *Context) RoutePattern() string {
routePattern := strings.Join(x.RoutePatterns, "")
return strings.Replace(routePattern, "/*/", "/", -1)
return replaceWildcards(routePattern)
}
// RouteContext returns chi's routing Context object from a
// http.Request Context.
func RouteContext(ctx context.Context) *Context {
return ctx.Value(RouteCtxKey).(*Context)
}
// URLParam returns the url parameter from a http.Request object.
func URLParam(r *http.Request, key string) string {
if rctx := RouteContext(r.Context()); rctx != nil {
return rctx.URLParam(key)
// replaceWildcards takes a route pattern and recursively replaces all
// occurrences of "/*/" to "/".
func replaceWildcards(p string) string {
if strings.Contains(p, "/*/") {
return replaceWildcards(strings.Replace(p, "/*/", "/", -1))
}
return ""
}
// URLParamFromCtx returns the url parameter from a http.Request Context.
func URLParamFromCtx(ctx context.Context, key string) string {
if rctx := RouteContext(ctx); rctx != nil {
return rctx.URLParam(key)
}
return ""
return p
}
// RouteParams is a structure to track URL routing parameters efficiently.
@@ -125,28 +156,8 @@ type RouteParams struct {
// Add will append a URL parameter to the end of the route param
func (s *RouteParams) Add(key, value string) {
(*s).Keys = append((*s).Keys, key)
(*s).Values = append((*s).Values, value)
}
// ServerBaseContext wraps an http.Handler to set the request context to the
// `baseCtx`.
func ServerBaseContext(baseCtx context.Context, h http.Handler) http.Handler {
fn := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
baseCtx := baseCtx
// Copy over default net/http server context keys
if v, ok := ctx.Value(http.ServerContextKey).(*http.Server); ok {
baseCtx = context.WithValue(baseCtx, http.ServerContextKey, v)
}
if v, ok := ctx.Value(http.LocalAddrContextKey).(net.Addr); ok {
baseCtx = context.WithValue(baseCtx, http.LocalAddrContextKey, v)
}
h.ServeHTTP(w, r.WithContext(baseCtx))
})
return fn
s.Keys = append(s.Keys, key)
s.Values = append(s.Values, value)
}
// contextKey is a value for use with context.WithValue. It's used as

32
vendor/github.com/go-chi/chi/middleware/basic_auth.go generated vendored Normal file
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@@ -0,0 +1,32 @@
package middleware
import (
"fmt"
"net/http"
)
// BasicAuth implements a simple middleware handler for adding basic http auth to a route.
func BasicAuth(realm string, creds map[string]string) func(next http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
user, pass, ok := r.BasicAuth()
if !ok {
basicAuthFailed(w, realm)
return
}
credPass, credUserOk := creds[user]
if !credUserOk || pass != credPass {
basicAuthFailed(w, realm)
return
}
next.ServeHTTP(w, r)
})
}
}
func basicAuthFailed(w http.ResponseWriter, realm string) {
w.Header().Add("WWW-Authenticate", fmt.Sprintf(`Basic realm="%s"`, realm))
w.WriteHeader(http.StatusUnauthorized)
}

358
vendor/github.com/go-chi/chi/middleware/compress.go generated vendored
View File

@@ -5,26 +5,101 @@ import (
"compress/flate"
"compress/gzip"
"errors"
"fmt"
"io"
"io/ioutil"
"net"
"net/http"
"strings"
"sync"
)
var encoders = map[string]EncoderFunc{}
var defaultCompressibleContentTypes = []string{
"text/html",
"text/css",
"text/plain",
"text/javascript",
"application/javascript",
"application/x-javascript",
"application/json",
"application/atom+xml",
"application/rss+xml",
"image/svg+xml",
}
var encodingPrecedence = []string{"br", "gzip", "deflate"}
// Compress is a middleware that compresses response
// body of a given content types to a data format based
// on Accept-Encoding request header. It uses a given
// compression level.
//
// NOTE: make sure to set the Content-Type header on your response
// otherwise this middleware will not compress the response body. For ex, in
// your handler you should set w.Header().Set("Content-Type", http.DetectContentType(yourBody))
// or set it manually.
//
// Passing a compression level of 5 is sensible value
func Compress(level int, types ...string) func(next http.Handler) http.Handler {
compressor := NewCompressor(level, types...)
return compressor.Handler
}
func init() {
// Compressor represents a set of encoding configurations.
type Compressor struct {
level int // The compression level.
// The mapping of encoder names to encoder functions.
encoders map[string]EncoderFunc
// The mapping of pooled encoders to pools.
pooledEncoders map[string]*sync.Pool
// The set of content types allowed to be compressed.
allowedTypes map[string]struct{}
allowedWildcards map[string]struct{}
// The list of encoders in order of decreasing precedence.
encodingPrecedence []string
}
// NewCompressor creates a new Compressor that will handle encoding responses.
//
// The level should be one of the ones defined in the flate package.
// The types are the content types that are allowed to be compressed.
func NewCompressor(level int, types ...string) *Compressor {
// If types are provided, set those as the allowed types. If none are
// provided, use the default list.
allowedTypes := make(map[string]struct{})
allowedWildcards := make(map[string]struct{})
if len(types) > 0 {
for _, t := range types {
if strings.Contains(strings.TrimSuffix(t, "/*"), "*") {
panic(fmt.Sprintf("middleware/compress: Unsupported content-type wildcard pattern '%s'. Only '/*' supported", t))
}
if strings.HasSuffix(t, "/*") {
allowedWildcards[strings.TrimSuffix(t, "/*")] = struct{}{}
} else {
allowedTypes[t] = struct{}{}
}
}
} else {
for _, t := range defaultCompressibleContentTypes {
allowedTypes[t] = struct{}{}
}
}
c := &Compressor{
level: level,
encoders: make(map[string]EncoderFunc),
pooledEncoders: make(map[string]*sync.Pool),
allowedTypes: allowedTypes,
allowedWildcards: allowedWildcards,
}
// Set the default encoders. The precedence order uses the reverse
// ordering that the encoders were added. This means adding new encoders
// will move them to the front of the order.
//
// TODO:
// lzma: Opera.
// sdch: Chrome, Android. Gzip output + dictionary header.
// br: Brotli, see https://github.com/go-chi/chi/pull/326
// TODO: Exception for old MSIE browsers that can't handle non-HTML?
// https://zoompf.com/blog/2012/02/lose-the-wait-http-compression
SetEncoder("gzip", encoderGzip)
// HTTP 1.1 "deflate" (RFC 2616) stands for DEFLATE data (RFC 1951)
// wrapped with zlib (RFC 1950). The zlib wrapper uses Adler-32
// checksum compared to CRC-32 used in "gzip" and thus is faster.
@@ -41,21 +116,20 @@ func init() {
//
// That's why we prefer gzip over deflate. It's just more reliable
// and not significantly slower than gzip.
SetEncoder("deflate", encoderDeflate)
c.SetEncoder("deflate", encoderDeflate)
// TODO: Exception for old MSIE browsers that can't handle non-HTML?
// https://zoompf.com/blog/2012/02/lose-the-wait-http-compression
c.SetEncoder("gzip", encoderGzip)
// NOTE: Not implemented, intentionally:
// case "compress": // LZW. Deprecated.
// case "bzip2": // Too slow on-the-fly.
// case "zopfli": // Too slow on-the-fly.
// case "xz": // Too slow on-the-fly.
return c
}
// An EncoderFunc is a function that wraps the provided ResponseWriter with a
// streaming compression algorithm and returns it.
//
// In case of failure, the function should return nil.
type EncoderFunc func(w http.ResponseWriter, level int) io.Writer
// SetEncoder can be used to set the implementation of a compression algorithm.
//
// The encoding should be a standardised identifier. See:
@@ -65,12 +139,13 @@ type EncoderFunc func(w http.ResponseWriter, level int) io.Writer
//
// import brotli_enc "gopkg.in/kothar/brotli-go.v0/enc"
//
// middleware.SetEncoder("br", func(w http.ResponseWriter, level int) io.Writer {
// compressor := middleware.NewCompressor(5, "text/html")
// compressor.SetEncoder("br", func(w http.ResponseWriter, level int) io.Writer {
// params := brotli_enc.NewBrotliParams()
// params.SetQuality(level)
// return brotli_enc.NewBrotliWriter(params, w)
// })
func SetEncoder(encoding string, fn EncoderFunc) {
func (c *Compressor) SetEncoder(encoding string, fn EncoderFunc) {
encoding = strings.ToLower(encoding)
if encoding == "" {
panic("the encoding can not be empty")
@@ -78,118 +153,153 @@ func SetEncoder(encoding string, fn EncoderFunc) {
if fn == nil {
panic("attempted to set a nil encoder function")
}
encoders[encoding] = fn
var e string
for _, v := range encodingPrecedence {
if v == encoding {
e = v
}
// If we are adding a new encoder that is already registered, we have to
// clear that one out first.
if _, ok := c.pooledEncoders[encoding]; ok {
delete(c.pooledEncoders, encoding)
}
if _, ok := c.encoders[encoding]; ok {
delete(c.encoders, encoding)
}
if e == "" {
encodingPrecedence = append([]string{e}, encodingPrecedence...)
}
}
var defaultContentTypes = map[string]struct{}{
"text/html": {},
"text/css": {},
"text/plain": {},
"text/javascript": {},
"application/javascript": {},
"application/x-javascript": {},
"application/json": {},
"application/atom+xml": {},
"application/rss+xml": {},
"image/svg+xml": {},
}
// DefaultCompress is a middleware that compresses response
// body of predefined content types to a data format based
// on Accept-Encoding request header. It uses a default
// compression level.
func DefaultCompress(next http.Handler) http.Handler {
return Compress(flate.DefaultCompression)(next)
}
// Compress is a middleware that compresses response
// body of a given content types to a data format based
// on Accept-Encoding request header. It uses a given
// compression level.
//
// NOTE: make sure to set the Content-Type header on your response
// otherwise this middleware will not compress the response body. For ex, in
// your handler you should set w.Header().Set("Content-Type", http.DetectContentType(yourBody))
// or set it manually.
func Compress(level int, types ...string) func(next http.Handler) http.Handler {
contentTypes := defaultContentTypes
if len(types) > 0 {
contentTypes = make(map[string]struct{}, len(types))
for _, t := range types {
contentTypes[t] = struct{}{}
}
}
return func(next http.Handler) http.Handler {
fn := func(w http.ResponseWriter, r *http.Request) {
encoder, encoding := selectEncoder(r.Header)
cw := &compressResponseWriter{
ResponseWriter: w,
w: w,
contentTypes: contentTypes,
encoder: encoder,
encoding: encoding,
level: level,
// If the encoder supports Resetting (IoReseterWriter), then it can be pooled.
encoder := fn(ioutil.Discard, c.level)
if encoder != nil {
if _, ok := encoder.(ioResetterWriter); ok {
pool := &sync.Pool{
New: func() interface{} {
return fn(ioutil.Discard, c.level)
},
}
defer cw.Close()
next.ServeHTTP(cw, r)
c.pooledEncoders[encoding] = pool
}
return http.HandlerFunc(fn)
}
// If the encoder is not in the pooledEncoders, add it to the normal encoders.
if _, ok := c.pooledEncoders[encoding]; !ok {
c.encoders[encoding] = fn
}
for i, v := range c.encodingPrecedence {
if v == encoding {
c.encodingPrecedence = append(c.encodingPrecedence[:i], c.encodingPrecedence[i+1:]...)
}
}
c.encodingPrecedence = append([]string{encoding}, c.encodingPrecedence...)
}
func selectEncoder(h http.Header) (EncoderFunc, string) {
// Handler returns a new middleware that will compress the response based on the
// current Compressor.
func (c *Compressor) Handler(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
encoder, encoding, cleanup := c.selectEncoder(r.Header, w)
cw := &compressResponseWriter{
ResponseWriter: w,
w: w,
contentTypes: c.allowedTypes,
contentWildcards: c.allowedWildcards,
encoding: encoding,
compressable: false, // determined in post-handler
}
if encoder != nil {
cw.w = encoder
}
// Re-add the encoder to the pool if applicable.
defer cleanup()
defer cw.Close()
next.ServeHTTP(cw, r)
})
}
// selectEncoder returns the encoder, the name of the encoder, and a closer function.
func (c *Compressor) selectEncoder(h http.Header, w io.Writer) (io.Writer, string, func()) {
header := h.Get("Accept-Encoding")
// Parse the names of all accepted algorithms from the header.
accepted := strings.Split(strings.ToLower(header), ",")
// Find supported encoder by accepted list by precedence
for _, name := range encodingPrecedence {
if fn, ok := encoders[name]; ok && matchAcceptEncoding(accepted, name) {
return fn, name
for _, name := range c.encodingPrecedence {
if matchAcceptEncoding(accepted, name) {
if pool, ok := c.pooledEncoders[name]; ok {
encoder := pool.Get().(ioResetterWriter)
cleanup := func() {
pool.Put(encoder)
}
encoder.Reset(w)
return encoder, name, cleanup
}
if fn, ok := c.encoders[name]; ok {
return fn(w, c.level), name, func() {}
}
}
}
// No encoder found to match the accepted encoding
return nil, ""
return nil, "", func() {}
}
func matchAcceptEncoding(accepted []string, encoding string) bool {
for _, v := range accepted {
if strings.Index(v, encoding) >= 0 {
if strings.Contains(v, encoding) {
return true
}
}
return false
}
// An EncoderFunc is a function that wraps the provided io.Writer with a
// streaming compression algorithm and returns it.
//
// In case of failure, the function should return nil.
type EncoderFunc func(w io.Writer, level int) io.Writer
// Interface for types that allow resetting io.Writers.
type ioResetterWriter interface {
io.Writer
Reset(w io.Writer)
}
type compressResponseWriter struct {
http.ResponseWriter
w io.Writer
encoder EncoderFunc
encoding string
contentTypes map[string]struct{}
level int
wroteHeader bool
// The streaming encoder writer to be used if there is one. Otherwise,
// this is just the normal writer.
w io.Writer
encoding string
contentTypes map[string]struct{}
contentWildcards map[string]struct{}
wroteHeader bool
compressable bool
}
func (cw *compressResponseWriter) isCompressable() bool {
// Parse the first part of the Content-Type response header.
contentType := cw.Header().Get("Content-Type")
if idx := strings.Index(contentType, ";"); idx >= 0 {
contentType = contentType[0:idx]
}
// Is the content type compressable?
if _, ok := cw.contentTypes[contentType]; ok {
return true
}
if idx := strings.Index(contentType, "/"); idx > 0 {
contentType = contentType[0:idx]
_, ok := cw.contentWildcards[contentType]
return ok
}
return false
}
func (cw *compressResponseWriter) WriteHeader(code int) {
if cw.wroteHeader {
cw.ResponseWriter.WriteHeader(code) // Allow multiple calls to propagate.
return
}
cw.wroteHeader = true
@@ -200,26 +310,18 @@ func (cw *compressResponseWriter) WriteHeader(code int) {
return
}
// Parse the first part of the Content-Type response header.
contentType := ""
parts := strings.Split(cw.Header().Get("Content-Type"), ";")
if len(parts) > 0 {
contentType = parts[0]
}
// Is the content type compressable?
if _, ok := cw.contentTypes[contentType]; !ok {
if !cw.isCompressable() {
cw.compressable = false
return
}
if cw.encoder != nil && cw.encoding != "" {
if wr := cw.encoder(cw.ResponseWriter, cw.level); wr != nil {
cw.w = wr
cw.Header().Set("Content-Encoding", cw.encoding)
if cw.encoding != "" {
cw.compressable = true
cw.Header().Set("Content-Encoding", cw.encoding)
cw.Header().Set("Vary", "Accept-Encoding")
// The content-length after compression is unknown
cw.Header().Del("Content-Length")
}
// The content-length after compression is unknown
cw.Header().Del("Content-Length")
}
}
@@ -228,37 +330,59 @@ func (cw *compressResponseWriter) Write(p []byte) (int, error) {
cw.WriteHeader(http.StatusOK)
}
return cw.w.Write(p)
return cw.writer().Write(p)
}
func (cw *compressResponseWriter) writer() io.Writer {
if cw.compressable {
return cw.w
} else {
return cw.ResponseWriter
}
}
type compressFlusher interface {
Flush() error
}
func (cw *compressResponseWriter) Flush() {
if f, ok := cw.w.(http.Flusher); ok {
if f, ok := cw.writer().(http.Flusher); ok {
f.Flush()
}
// If the underlying writer has a compression flush signature,
// call this Flush() method instead
if f, ok := cw.writer().(compressFlusher); ok {
f.Flush()
// Also flush the underlying response writer
if f, ok := cw.ResponseWriter.(http.Flusher); ok {
f.Flush()
}
}
}
func (cw *compressResponseWriter) Hijack() (net.Conn, *bufio.ReadWriter, error) {
if hj, ok := cw.w.(http.Hijacker); ok {
if hj, ok := cw.writer().(http.Hijacker); ok {
return hj.Hijack()
}
return nil, nil, errors.New("chi/middleware: http.Hijacker is unavailable on the writer")
}
func (cw *compressResponseWriter) Push(target string, opts *http.PushOptions) error {
if ps, ok := cw.w.(http.Pusher); ok {
if ps, ok := cw.writer().(http.Pusher); ok {
return ps.Push(target, opts)
}
return errors.New("chi/middleware: http.Pusher is unavailable on the writer")
}
func (cw *compressResponseWriter) Close() error {
if c, ok := cw.w.(io.WriteCloser); ok {
if c, ok := cw.writer().(io.WriteCloser); ok {
return c.Close()
}
return errors.New("chi/middleware: io.WriteCloser is unavailable on the writer")
}
func encoderGzip(w http.ResponseWriter, level int) io.Writer {
func encoderGzip(w io.Writer, level int) io.Writer {
gw, err := gzip.NewWriterLevel(w, level)
if err != nil {
return nil
@@ -266,7 +390,7 @@ func encoderGzip(w http.ResponseWriter, level int) io.Writer {
return gw
}
func encoderDeflate(w http.ResponseWriter, level int) io.Writer {
func encoderDeflate(w io.Writer, level int) io.Writer {
dw, err := flate.NewWriter(w, level)
if err != nil {
return nil

34
vendor/github.com/go-chi/chi/middleware/content_encoding.go generated vendored Normal file
View File

@@ -0,0 +1,34 @@
package middleware
import (
"net/http"
"strings"
)
// AllowContentEncoding enforces a whitelist of request Content-Encoding otherwise responds
// with a 415 Unsupported Media Type status.
func AllowContentEncoding(contentEncoding ...string) func(next http.Handler) http.Handler {
allowedEncodings := make(map[string]struct{}, len(contentEncoding))
for _, encoding := range contentEncoding {
allowedEncodings[strings.TrimSpace(strings.ToLower(encoding))] = struct{}{}
}
return func(next http.Handler) http.Handler {
fn := func(w http.ResponseWriter, r *http.Request) {
requestEncodings := r.Header["Content-Encoding"]
// skip check for empty content body or no Content-Encoding
if r.ContentLength == 0 {
next.ServeHTTP(w, r)
return
}
// All encodings in the request must be allowed
for _, encoding := range requestEncodings {
if _, ok := allowedEncodings[strings.TrimSpace(strings.ToLower(encoding))]; !ok {
w.WriteHeader(http.StatusUnsupportedMediaType)
return
}
}
next.ServeHTTP(w, r)
}
return http.HandlerFunc(fn)
}
}

15
vendor/github.com/go-chi/chi/middleware/logger.go generated vendored
View File

@@ -25,8 +25,8 @@ var (
// print in color, otherwise it will print in black and white. Logger prints a
// request ID if one is provided.
//
// Alternatively, look at https://github.com/pressly/lg and the `lg.RequestLogger`
// middleware pkg.
// Alternatively, look at https://github.com/goware/httplog for a more in-depth
// http logger with structured logging support.
func Logger(next http.Handler) http.Handler {
return DefaultLogger(next)
}
@@ -40,7 +40,7 @@ func RequestLogger(f LogFormatter) func(next http.Handler) http.Handler {
t1 := time.Now()
defer func() {
entry.Write(ww.Status(), ww.BytesWritten(), time.Since(t1))
entry.Write(ww.Status(), ww.BytesWritten(), ww.Header(), time.Since(t1), nil)
}()
next.ServeHTTP(ww, WithLogEntry(r, entry))
@@ -58,7 +58,7 @@ type LogFormatter interface {
// LogEntry records the final log when a request completes.
// See defaultLogEntry for an example implementation.
type LogEntry interface {
Write(status, bytes int, elapsed time.Duration)
Write(status, bytes int, header http.Header, elapsed time.Duration, extra interface{})
Panic(v interface{}, stack []byte)
}
@@ -122,7 +122,7 @@ type defaultLogEntry struct {
useColor bool
}
func (l *defaultLogEntry) Write(status, bytes int, elapsed time.Duration) {
func (l *defaultLogEntry) Write(status, bytes int, header http.Header, elapsed time.Duration, extra interface{}) {
switch {
case status < 200:
cW(l.buf, l.useColor, bBlue, "%03d", status)
@@ -151,8 +151,5 @@ func (l *defaultLogEntry) Write(status, bytes int, elapsed time.Duration) {
}
func (l *defaultLogEntry) Panic(v interface{}, stack []byte) {
panicEntry := l.NewLogEntry(l.request).(*defaultLogEntry)
cW(panicEntry.buf, l.useColor, bRed, "panic: %+v", v)
l.Logger.Print(panicEntry.buf.String())
l.Logger.Print(string(stack))
PrintPrettyStack(v)
}

11
vendor/github.com/go-chi/chi/middleware/middleware.go generated vendored
View File

@@ -1,5 +1,16 @@
package middleware
import "net/http"
// New will create a new middleware handler from a http.Handler.
func New(h http.Handler) func(next http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
h.ServeHTTP(w, r)
})
}
}
// contextKey is a value for use with context.WithValue. It's used as
// a pointer so it fits in an interface{} without allocation. This technique
// for defining context keys was copied from Go 1.7's new use of context in net/http.

6
vendor/github.com/go-chi/chi/middleware/realip.go generated vendored
View File

@@ -40,14 +40,14 @@ func RealIP(h http.Handler) http.Handler {
func realIP(r *http.Request) string {
var ip string
if xff := r.Header.Get(xForwardedFor); xff != "" {
if xrip := r.Header.Get(xRealIP); xrip != "" {
ip = xrip
} else if xff := r.Header.Get(xForwardedFor); xff != "" {
i := strings.Index(xff, ", ")
if i == -1 {
i = len(xff)
}
ip = xff[:i]
} else if xrip := r.Header.Get(xRealIP); xrip != "" {
ip = xrip
}
return ip

161
vendor/github.com/go-chi/chi/middleware/recoverer.go generated vendored
View File

@@ -4,10 +4,13 @@ package middleware
// https://github.com/zenazn/goji/tree/master/web/middleware
import (
"bytes"
"errors"
"fmt"
"net/http"
"os"
"runtime/debug"
"strings"
)
// Recoverer is a middleware that recovers from panics, logs the panic (and a
@@ -18,17 +21,16 @@ import (
func Recoverer(next http.Handler) http.Handler {
fn := func(w http.ResponseWriter, r *http.Request) {
defer func() {
if rvr := recover(); rvr != nil {
if rvr := recover(); rvr != nil && rvr != http.ErrAbortHandler {
logEntry := GetLogEntry(r)
if logEntry != nil {
logEntry.Panic(rvr, debug.Stack())
} else {
fmt.Fprintf(os.Stderr, "Panic: %+v\n", rvr)
debug.PrintStack()
PrintPrettyStack(rvr)
}
http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
w.WriteHeader(http.StatusInternalServerError)
}
}()
@@ -37,3 +39,154 @@ func Recoverer(next http.Handler) http.Handler {
return http.HandlerFunc(fn)
}
func PrintPrettyStack(rvr interface{}) {
debugStack := debug.Stack()
s := prettyStack{}
out, err := s.parse(debugStack, rvr)
if err == nil {
os.Stderr.Write(out)
} else {
// print stdlib output as a fallback
os.Stderr.Write(debugStack)
}
}
type prettyStack struct {
}
func (s prettyStack) parse(debugStack []byte, rvr interface{}) ([]byte, error) {
var err error
useColor := true
buf := &bytes.Buffer{}
cW(buf, false, bRed, "\n")
cW(buf, useColor, bCyan, " panic: ")
cW(buf, useColor, bBlue, "%v", rvr)
cW(buf, false, bWhite, "\n \n")
// process debug stack info
stack := strings.Split(string(debugStack), "\n")
lines := []string{}
// locate panic line, as we may have nested panics
for i := len(stack) - 1; i > 0; i-- {
lines = append(lines, stack[i])
if strings.HasPrefix(stack[i], "panic(0x") {
lines = lines[0 : len(lines)-2] // remove boilerplate
break
}
}
// reverse
for i := len(lines)/2 - 1; i >= 0; i-- {
opp := len(lines) - 1 - i
lines[i], lines[opp] = lines[opp], lines[i]
}
// decorate
for i, line := range lines {
lines[i], err = s.decorateLine(line, useColor, i)
if err != nil {
return nil, err
}
}
for _, l := range lines {
fmt.Fprintf(buf, "%s", l)
}
return buf.Bytes(), nil
}
func (s prettyStack) decorateLine(line string, useColor bool, num int) (string, error) {
line = strings.TrimSpace(line)
if strings.HasPrefix(line, "\t") || strings.Contains(line, ".go:") {
return s.decorateSourceLine(line, useColor, num)
} else if strings.HasSuffix(line, ")") {
return s.decorateFuncCallLine(line, useColor, num)
} else {
if strings.HasPrefix(line, "\t") {
return strings.Replace(line, "\t", " ", 1), nil
} else {
return fmt.Sprintf(" %s\n", line), nil
}
}
}
func (s prettyStack) decorateFuncCallLine(line string, useColor bool, num int) (string, error) {
idx := strings.LastIndex(line, "(")
if idx < 0 {
return "", errors.New("not a func call line")
}
buf := &bytes.Buffer{}
pkg := line[0:idx]
// addr := line[idx:]
method := ""
idx = strings.LastIndex(pkg, string(os.PathSeparator))
if idx < 0 {
idx = strings.Index(pkg, ".")
method = pkg[idx:]
pkg = pkg[0:idx]
} else {
method = pkg[idx+1:]
pkg = pkg[0 : idx+1]
idx = strings.Index(method, ".")
pkg += method[0:idx]
method = method[idx:]
}
pkgColor := nYellow
methodColor := bGreen
if num == 0 {
cW(buf, useColor, bRed, " -> ")
pkgColor = bMagenta
methodColor = bRed
} else {
cW(buf, useColor, bWhite, " ")
}
cW(buf, useColor, pkgColor, "%s", pkg)
cW(buf, useColor, methodColor, "%s\n", method)
// cW(buf, useColor, nBlack, "%s", addr)
return buf.String(), nil
}
func (s prettyStack) decorateSourceLine(line string, useColor bool, num int) (string, error) {
idx := strings.LastIndex(line, ".go:")
if idx < 0 {
return "", errors.New("not a source line")
}
buf := &bytes.Buffer{}
path := line[0 : idx+3]
lineno := line[idx+3:]
idx = strings.LastIndex(path, string(os.PathSeparator))
dir := path[0 : idx+1]
file := path[idx+1:]
idx = strings.Index(lineno, " ")
if idx > 0 {
lineno = lineno[0:idx]
}
fileColor := bCyan
lineColor := bGreen
if num == 1 {
cW(buf, useColor, bRed, " -> ")
fileColor = bRed
lineColor = bMagenta
} else {
cW(buf, false, bWhite, " ")
}
cW(buf, useColor, bWhite, "%s", dir)
cW(buf, useColor, fileColor, "%s", file)
cW(buf, useColor, lineColor, "%s", lineno)
if num == 1 {
cW(buf, false, bWhite, "\n")
}
cW(buf, false, bWhite, "\n")
return buf.String(), nil
}

6
vendor/github.com/go-chi/chi/middleware/request_id.go generated vendored
View File

@@ -20,6 +20,10 @@ type ctxKeyRequestID int
// RequestIDKey is the key that holds the unique request ID in a request context.
const RequestIDKey ctxKeyRequestID = 0
// RequestIDHeader is the name of the HTTP Header which contains the request id.
// Exported so that it can be changed by developers
var RequestIDHeader = "X-Request-Id"
var prefix string
var reqid uint64
@@ -63,7 +67,7 @@ func init() {
func RequestID(next http.Handler) http.Handler {
fn := func(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
requestID := r.Header.Get("X-Request-Id")
requestID := r.Header.Get(RequestIDHeader)
if requestID == "" {
myid := atomic.AddUint64(&reqid, 1)
requestID = fmt.Sprintf("%s-%06d", prefix, myid)

160
vendor/github.com/go-chi/chi/middleware/route_headers.go generated vendored Normal file
View File

@@ -0,0 +1,160 @@
package middleware
import (
"net/http"
"strings"
)
// RouteHeaders is a neat little header-based router that allows you to direct
// the flow of a request through a middleware stack based on a request header.
//
// For example, lets say you'd like to setup multiple routers depending on the
// request Host header, you could then do something as so:
//
// r := chi.NewRouter()
// rSubdomain := chi.NewRouter()
//
// r.Use(middleware.RouteHeaders().
// Route("Host", "example.com", middleware.New(r)).
// Route("Host", "*.example.com", middleware.New(rSubdomain)).
// Handler)
//
// r.Get("/", h)
// rSubdomain.Get("/", h2)
//
//
// Another example, imagine you want to setup multiple CORS handlers, where for
// your origin servers you allow authorized requests, but for third-party public
// requests, authorization is disabled.
//
// r := chi.NewRouter()
//
// r.Use(middleware.RouteHeaders().
// Route("Origin", "https://app.skyweaver.net", cors.Handler(cors.Options{
// AllowedOrigins: []string{"https://api.skyweaver.net"},
// AllowedMethods: []string{"GET", "POST", "PUT", "DELETE", "OPTIONS"},
// AllowedHeaders: []string{"Accept", "Authorization", "Content-Type"},
// AllowCredentials: true, // <----------<<< allow credentials
// })).
// Route("Origin", "*", cors.Handler(cors.Options{
// AllowedOrigins: []string{"*"},
// AllowedMethods: []string{"GET", "POST", "PUT", "DELETE", "OPTIONS"},
// AllowedHeaders: []string{"Accept", "Content-Type"},
// AllowCredentials: false, // <----------<<< do not allow credentials
// })).
// Handler)
//
func RouteHeaders() HeaderRouter {
return HeaderRouter{}
}
type HeaderRouter map[string][]HeaderRoute
func (hr HeaderRouter) Route(header string, match string, middlewareHandler func(next http.Handler) http.Handler) HeaderRouter {
header = strings.ToLower(header)
k := hr[header]
if k == nil {
hr[header] = []HeaderRoute{}
}
hr[header] = append(hr[header], HeaderRoute{MatchOne: NewPattern(match), Middleware: middlewareHandler})
return hr
}
func (hr HeaderRouter) RouteAny(header string, match []string, middlewareHandler func(next http.Handler) http.Handler) HeaderRouter {
header = strings.ToLower(header)
k := hr[header]
if k == nil {
hr[header] = []HeaderRoute{}
}
patterns := []Pattern{}
for _, m := range match {
patterns = append(patterns, NewPattern(m))
}
hr[header] = append(hr[header], HeaderRoute{MatchAny: patterns, Middleware: middlewareHandler})
return hr
}
func (hr HeaderRouter) RouteDefault(handler func(next http.Handler) http.Handler) HeaderRouter {
hr["*"] = []HeaderRoute{{Middleware: handler}}
return hr
}
func (hr HeaderRouter) Handler(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if len(hr) == 0 {
// skip if no routes set
next.ServeHTTP(w, r)
}
// find first matching header route, and continue
for header, matchers := range hr {
headerValue := r.Header.Get(header)
if headerValue == "" {
continue
}
headerValue = strings.ToLower(headerValue)
for _, matcher := range matchers {
if matcher.IsMatch(headerValue) {
matcher.Middleware(next).ServeHTTP(w, r)
return
}
}
}
// if no match, check for "*" default route
matcher, ok := hr["*"]
if !ok || matcher[0].Middleware == nil {
next.ServeHTTP(w, r)
return
}
matcher[0].Middleware(next).ServeHTTP(w, r)
})
}
type HeaderRoute struct {
MatchAny []Pattern
MatchOne Pattern
Middleware func(next http.Handler) http.Handler
}
func (r HeaderRoute) IsMatch(value string) bool {
if len(r.MatchAny) > 0 {
for _, m := range r.MatchAny {
if m.Match(value) {
return true
}
}
} else if r.MatchOne.Match(value) {
return true
}
return false
}
type Pattern struct {
prefix string
suffix string
wildcard bool
}
func NewPattern(value string) Pattern {
p := Pattern{}
if i := strings.IndexByte(value, '*'); i >= 0 {
p.wildcard = true
p.prefix = value[0:i]
p.suffix = value[i+1:]
} else {
p.prefix = value
}
return p
}
func (p Pattern) Match(v string) bool {
if !p.wildcard {
if p.prefix == v {
return true
} else {
return false
}
}
return len(v) >= len(p.prefix+p.suffix) && strings.HasPrefix(v, p.prefix) && strings.HasSuffix(v, p.suffix)
}

8
vendor/github.com/go-chi/chi/middleware/terminal.go generated vendored
View File

@@ -32,7 +32,7 @@ var (
reset = []byte{'\033', '[', '0', 'm'}
)
var isTTY bool
var IsTTY bool
func init() {
// This is sort of cheating: if stdout is a character device, we assume
@@ -47,17 +47,17 @@ func init() {
fi, err := os.Stdout.Stat()
if err == nil {
m := os.ModeDevice | os.ModeCharDevice
isTTY = fi.Mode()&m == m
IsTTY = fi.Mode()&m == m
}
}
// colorWrite
func cW(w io.Writer, useColor bool, color []byte, s string, args ...interface{}) {
if isTTY && useColor {
if IsTTY && useColor {
w.Write(color)
}
fmt.Fprintf(w, s, args...)
if isTTY && useColor {
if IsTTY && useColor {
w.Write(reset)
}
}

121
vendor/github.com/go-chi/chi/middleware/throttle.go generated vendored
View File

@@ -2,6 +2,7 @@ package middleware
import (
"net/http"
"strconv"
"time"
)
@@ -15,44 +16,100 @@ var (
defaultBacklogTimeout = time.Second * 60
)
// ThrottleOpts represents a set of throttling options.
type ThrottleOpts struct {
Limit int
BacklogLimit int
BacklogTimeout time.Duration
RetryAfterFn func(ctxDone bool) time.Duration
}
// Throttle is a middleware that limits number of currently processed requests
// at a time.
// at a time across all users. Note: Throttle is not a rate-limiter per user,
// instead it just puts a ceiling on the number of currentl in-flight requests
// being processed from the point from where the Throttle middleware is mounted.
func Throttle(limit int) func(http.Handler) http.Handler {
return ThrottleBacklog(limit, 0, defaultBacklogTimeout)
return ThrottleWithOpts(ThrottleOpts{Limit: limit, BacklogTimeout: defaultBacklogTimeout})
}
// ThrottleBacklog is a middleware that limits number of currently processed
// requests at a time and provides a backlog for holding a finite number of
// pending requests.
func ThrottleBacklog(limit int, backlogLimit int, backlogTimeout time.Duration) func(http.Handler) http.Handler {
if limit < 1 {
return ThrottleWithOpts(ThrottleOpts{Limit: limit, BacklogLimit: backlogLimit, BacklogTimeout: backlogTimeout})
}
// ThrottleWithOpts is a middleware that limits number of currently processed requests using passed ThrottleOpts.
func ThrottleWithOpts(opts ThrottleOpts) func(http.Handler) http.Handler {
if opts.Limit < 1 {
panic("chi/middleware: Throttle expects limit > 0")
}
if backlogLimit < 0 {
if opts.BacklogLimit < 0 {
panic("chi/middleware: Throttle expects backlogLimit to be positive")
}
t := throttler{
tokens: make(chan token, limit),
backlogTokens: make(chan token, limit+backlogLimit),
backlogTimeout: backlogTimeout,
tokens: make(chan token, opts.Limit),
backlogTokens: make(chan token, opts.Limit+opts.BacklogLimit),
backlogTimeout: opts.BacklogTimeout,
retryAfterFn: opts.RetryAfterFn,
}
// Filling tokens.
for i := 0; i < limit+backlogLimit; i++ {
if i < limit {
for i := 0; i < opts.Limit+opts.BacklogLimit; i++ {
if i < opts.Limit {
t.tokens <- token{}
}
t.backlogTokens <- token{}
}
fn := func(h http.Handler) http.Handler {
t.h = h
return &t
}
return func(next http.Handler) http.Handler {
fn := func(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
return fn
select {
case <-ctx.Done():
t.setRetryAfterHeaderIfNeeded(w, true)
http.Error(w, errContextCanceled, http.StatusServiceUnavailable)
return
case btok := <-t.backlogTokens:
timer := time.NewTimer(t.backlogTimeout)
defer func() {
t.backlogTokens <- btok
}()
select {
case <-timer.C:
t.setRetryAfterHeaderIfNeeded(w, false)
http.Error(w, errTimedOut, http.StatusServiceUnavailable)
return
case <-ctx.Done():
timer.Stop()
t.setRetryAfterHeaderIfNeeded(w, true)
http.Error(w, errContextCanceled, http.StatusServiceUnavailable)
return
case tok := <-t.tokens:
defer func() {
timer.Stop()
t.tokens <- tok
}()
next.ServeHTTP(w, r)
}
return
default:
t.setRetryAfterHeaderIfNeeded(w, false)
http.Error(w, errCapacityExceeded, http.StatusServiceUnavailable)
return
}
}
return http.HandlerFunc(fn)
}
}
// token represents a request that is being processed.
@@ -60,42 +117,16 @@ type token struct{}
// throttler limits number of currently processed requests at a time.
type throttler struct {
h http.Handler
tokens chan token
backlogTokens chan token
backlogTimeout time.Duration
retryAfterFn func(ctxDone bool) time.Duration
}
// ServeHTTP is the primary throttler request handler
func (t *throttler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
select {
case <-ctx.Done():
http.Error(w, errContextCanceled, http.StatusServiceUnavailable)
return
case btok := <-t.backlogTokens:
timer := time.NewTimer(t.backlogTimeout)
defer func() {
t.backlogTokens <- btok
}()
select {
case <-timer.C:
http.Error(w, errTimedOut, http.StatusServiceUnavailable)
return
case <-ctx.Done():
http.Error(w, errContextCanceled, http.StatusServiceUnavailable)
return
case tok := <-t.tokens:
defer func() {
t.tokens <- tok
}()
t.h.ServeHTTP(w, r)
}
return
default:
http.Error(w, errCapacityExceeded, http.StatusServiceUnavailable)
// setRetryAfterHeaderIfNeeded sets Retry-After HTTP header if corresponding retryAfterFn option of throttler is initialized.
func (t throttler) setRetryAfterHeaderIfNeeded(w http.ResponseWriter, ctxDone bool) {
if t.retryAfterFn == nil {
return
}
w.Header().Set("Retry-After", strconv.Itoa(int(t.retryAfterFn(ctxDone).Seconds())))
}

5
vendor/github.com/go-chi/chi/middleware/wrap_writer.go generated vendored
View File

@@ -75,7 +75,7 @@ func (b *basicWriter) WriteHeader(code int) {
}
func (b *basicWriter) Write(buf []byte) (int, error) {
b.WriteHeader(http.StatusOK)
b.maybeWriteHeader()
n, err := b.ResponseWriter.Write(buf)
if b.tee != nil {
_, err2 := b.tee.Write(buf[:n])
@@ -116,7 +116,6 @@ type flushWriter struct {
func (f *flushWriter) Flush() {
f.wroteHeader = true
fl := f.basicWriter.ResponseWriter.(http.Flusher)
fl.Flush()
}
@@ -133,7 +132,6 @@ type httpFancyWriter struct {
func (f *httpFancyWriter) Flush() {
f.wroteHeader = true
fl := f.basicWriter.ResponseWriter.(http.Flusher)
fl.Flush()
}
@@ -175,7 +173,6 @@ type http2FancyWriter struct {
func (f *http2FancyWriter) Flush() {
f.wroteHeader = true
fl := f.basicWriter.ResponseWriter.(http.Flusher)
fl.Flush()
}

16
vendor/github.com/go-chi/chi/mux.go generated vendored
View File

@@ -78,7 +78,11 @@ func (mx *Mux) ServeHTTP(w http.ResponseWriter, r *http.Request) {
rctx = mx.pool.Get().(*Context)
rctx.Reset()
rctx.Routes = mx
// NOTE: r.WithContext() causes 2 allocations and context.WithValue() causes 1 allocation
r = r.WithContext(context.WithValue(r.Context(), RouteCtxKey, rctx))
// Serve the request and once its done, put the request context back in the sync pool
mx.handler.ServeHTTP(w, r)
mx.pool.Put(rctx)
}
@@ -220,7 +224,7 @@ func (mx *Mux) MethodNotAllowed(handlerFn http.HandlerFunc) {
// With adds inline middlewares for an endpoint handler.
func (mx *Mux) With(middlewares ...func(http.Handler) http.Handler) Router {
// Similarly as in handle(), we must build the mux handler once further
// Similarly as in handle(), we must build the mux handler once additional
// middleware registration isn't allowed for this stack, like now.
if !mx.inline && mx.handler == nil {
mx.buildRouteHandler()
@@ -234,7 +238,10 @@ func (mx *Mux) With(middlewares ...func(http.Handler) http.Handler) Router {
}
mws = append(mws, middlewares...)
im := &Mux{pool: mx.pool, inline: true, parent: mx, tree: mx.tree, middlewares: mws}
im := &Mux{
pool: mx.pool, inline: true, parent: mx, tree: mx.tree, middlewares: mws,
notFoundHandler: mx.notFoundHandler, methodNotAllowedHandler: mx.methodNotAllowedHandler,
}
return im
}
@@ -285,7 +292,6 @@ func (mx *Mux) Mount(pattern string, handler http.Handler) {
subr.MethodNotAllowed(mx.methodNotAllowedHandler)
}
// Wrap the sub-router in a handlerFunc to scope the request path for routing.
mountHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
rctx := RouteContext(r.Context())
rctx.RoutePath = mx.nextRoutePath(rctx)
@@ -376,7 +382,7 @@ func (mx *Mux) handle(method methodTyp, pattern string, handler http.Handler) *n
panic(fmt.Sprintf("chi: routing pattern must begin with '/' in '%s'", pattern))
}
// Build the final routing handler for this Mux.
// Build the computed routing handler for this routing pattern.
if !mx.inline && mx.handler == nil {
mx.buildRouteHandler()
}
@@ -436,7 +442,7 @@ func (mx *Mux) nextRoutePath(rctx *Context) string {
routePath := "/"
nx := len(rctx.routeParams.Keys) - 1 // index of last param in list
if nx >= 0 && rctx.routeParams.Keys[nx] == "*" && len(rctx.routeParams.Values) > nx {
routePath += rctx.routeParams.Values[nx]
routePath = "/" + rctx.routeParams.Values[nx]
}
return routePath
}

51
vendor/github.com/go-chi/chi/tree.go generated vendored
View File

@@ -331,7 +331,7 @@ func (n *node) getEdge(ntyp nodeTyp, label, tail byte, prefix string) *node {
func (n *node) setEndpoint(method methodTyp, handler http.Handler, pattern string) {
// Set the handler for the method type on the node
if n.endpoints == nil {
n.endpoints = make(endpoints, 0)
n.endpoints = make(endpoints)
}
paramKeys := patParamKeys(pattern)
@@ -433,7 +433,7 @@ func (n *node) findRoute(rctx *Context, method methodTyp, path string) *node {
}
if ntyp == ntRegexp && xn.rex != nil {
if xn.rex.Match([]byte(xsearch[:p])) == false {
if !xn.rex.Match([]byte(xsearch[:p])) {
continue
}
} else if strings.IndexByte(xsearch[:p], '/') != -1 {
@@ -441,11 +441,37 @@ func (n *node) findRoute(rctx *Context, method methodTyp, path string) *node {
continue
}
prevlen := len(rctx.routeParams.Values)
rctx.routeParams.Values = append(rctx.routeParams.Values, xsearch[:p])
xsearch = xsearch[p:]
break
if len(xsearch) == 0 {
if xn.isLeaf() {
h := xn.endpoints[method]
if h != nil && h.handler != nil {
rctx.routeParams.Keys = append(rctx.routeParams.Keys, h.paramKeys...)
return xn
}
// flag that the routing context found a route, but not a corresponding
// supported method
rctx.methodNotAllowed = true
}
}
// recursively find the next node on this branch
fin := xn.findRoute(rctx, method, xsearch)
if fin != nil {
return fin
}
// not found on this branch, reset vars
rctx.routeParams.Values = rctx.routeParams.Values[:prevlen]
xsearch = search
}
rctx.routeParams.Values = append(rctx.routeParams.Values, "")
default:
// catch-all nodes
rctx.routeParams.Values = append(rctx.routeParams.Values, search)
@@ -460,7 +486,7 @@ func (n *node) findRoute(rctx *Context, method methodTyp, path string) *node {
// did we find it yet?
if len(xsearch) == 0 {
if xn.isLeaf() {
h, _ := xn.endpoints[method]
h := xn.endpoints[method]
if h != nil && h.handler != nil {
rctx.routeParams.Keys = append(rctx.routeParams.Keys, h.paramKeys...)
return xn
@@ -518,15 +544,6 @@ func (n *node) findEdge(ntyp nodeTyp, label byte) *node {
}
}
func (n *node) isEmpty() bool {
for _, nds := range n.children {
if len(nds) > 0 {
return false
}
}
return true
}
func (n *node) isLeaf() bool {
return n.endpoints != nil
}
@@ -582,7 +599,7 @@ func (n *node) routes() []Route {
}
// Group methodHandlers by unique patterns
pats := make(map[string]endpoints, 0)
pats := make(map[string]endpoints)
for mt, h := range eps {
if h.pattern == "" {
@@ -597,7 +614,7 @@ func (n *node) routes() []Route {
}
for p, mh := range pats {
hs := make(map[string]http.Handler, 0)
hs := make(map[string]http.Handler)
if mh[mALL] != nil && mh[mALL].handler != nil {
hs["*"] = mh[mALL].handler
}
@@ -698,7 +715,7 @@ func patNextSegment(pattern string) (nodeTyp, string, string, byte, int, int) {
rexpat = "^" + rexpat
}
if rexpat[len(rexpat)-1] != '$' {
rexpat = rexpat + "$"
rexpat += "$"
}
}
@@ -795,6 +812,7 @@ func (ns nodes) findEdge(label byte) *node {
}
// Route describes the details of a routing handler.
// Handlers map key is an HTTP method
type Route struct {
Pattern string
Handlers map[string]http.Handler
@@ -829,6 +847,7 @@ func walk(r Routes, walkFn WalkFunc, parentRoute string, parentMw ...func(http.H
}
fullRoute := parentRoute + route.Pattern
fullRoute = strings.Replace(fullRoute, "/*/", "/", -1)
if chain, ok := handler.(*ChainHandler); ok {
if err := walkFn(method, fullRoute, chain.Endpoint, append(mws, chain.Middlewares...)...); err != nil {

36
vendor/github.com/go-chi/chi/v5/CHANGELOG.md generated vendored
View File

@@ -1,5 +1,41 @@
# Changelog
## v5.0.7 (2021-11-18)
- History of changes: see https://github.com/go-chi/chi/compare/v5.0.6...v5.0.7
## v5.0.6 (2021-11-15)
- History of changes: see https://github.com/go-chi/chi/compare/v5.0.5...v5.0.6
## v5.0.5 (2021-10-27)
- History of changes: see https://github.com/go-chi/chi/compare/v5.0.4...v5.0.5
## v5.0.4 (2021-08-29)
- History of changes: see https://github.com/go-chi/chi/compare/v5.0.3...v5.0.4
## v5.0.3 (2021-04-29)
- History of changes: see https://github.com/go-chi/chi/compare/v5.0.2...v5.0.3
## v5.0.2 (2021-03-25)
- History of changes: see https://github.com/go-chi/chi/compare/v5.0.1...v5.0.2
## v5.0.1 (2021-03-10)
- Small improvements
- History of changes: see https://github.com/go-chi/chi/compare/v5.0.0...v5.0.1
## v5.0.0 (2021-02-27)
- chi v5, `github.com/go-chi/chi/v5` introduces the adoption of Go's SIV to adhere to the current state-of-the-tools in Go.

4
vendor/github.com/go-chi/chi/v5/Makefile generated vendored
View File

@@ -12,3 +12,7 @@ test-router:
test-middleware:
go test -race -v ./middleware
.PHONY: docs
docs:
npx docsify-cli serve ./docs

15
vendor/github.com/go-chi/chi/v5/README.md generated vendored
View File

@@ -32,7 +32,7 @@ and [docgen](https://github.com/go-chi/docgen). We hope you enjoy it too!
* **Context control** - built on new `context` package, providing value chaining, cancellations and timeouts
* **Robust** - in production at Pressly, CloudFlare, Heroku, 99Designs, and many others (see [discussion](https://github.com/go-chi/chi/issues/91))
* **Doc generation** - `docgen` auto-generates routing documentation from your source to JSON or Markdown
* **Go.mod support** - v1.x of chi (starting from v1.5.0), now has go.mod support (see [CHANGELOG](https://github.com/go-chi/chi/blob/master/CHANGELOG.md#v150-2020-11-12---now-with-gomod-support))
* **Go.mod support** - as of v5, go.mod support (see [CHANGELOG](https://github.com/go-chi/chi/blob/master/CHANGELOG.md))
* **No external dependencies** - plain ol' Go stdlib + net/http
@@ -347,7 +347,7 @@ with `net/http` can be used with chi's mux.
| [Logger] | Logs the start and end of each request with the elapsed processing time |
| [NoCache] | Sets response headers to prevent clients from caching |
| [Profiler] | Easily attach net/http/pprof to your routers |
| [RealIP] | Sets a http.Request's RemoteAddr to either X-Forwarded-For or X-Real-IP |
| [RealIP] | Sets a http.Request's RemoteAddr to either X-Real-IP or X-Forwarded-For |
| [Recoverer] | Gracefully absorb panics and prints the stack trace |
| [RequestID] | Injects a request ID into the context of each request |
| [RedirectSlashes] | Redirect slashes on routing paths |
@@ -463,17 +463,6 @@ on the duplicated (alloc'd) request and returns it the new request object. This
how setting context on a request in Go works.
## Go module support & note on chi's versioning
* Go.mod support means we reset our versioning starting from v1.5 (see [CHANGELOG](https://github.com/go-chi/chi/blob/master/CHANGELOG.md#v150-2020-11-12---now-with-gomod-support))
* All older tags are preserved, are backwards-compatible and will "just work" as they
* Brand new systems can run `go get -u github.com/go-chi/chi` as normal, or `go get -u github.com/go-chi/chi@latest`
to install chi, which will install v1.x+ built with go.mod support, starting from v1.5.0.
* For existing projects who want to upgrade to the latest go.mod version, run: `go get -u github.com/go-chi/chi@v1.5.0`,
which will get you on the go.mod version line (as Go's mod cache may still remember v4.x).
* Any breaking changes will bump a "minor" release and backwards-compatible improvements/fixes will bump a "tiny" release.
## Credits
* Carl Jackson for https://github.com/zenazn/goji

6
vendor/github.com/go-chi/chi/v5/chain.go generated vendored
View File

@@ -10,21 +10,21 @@ func Chain(middlewares ...func(http.Handler) http.Handler) Middlewares {
// Handler builds and returns a http.Handler from the chain of middlewares,
// with `h http.Handler` as the final handler.
func (mws Middlewares) Handler(h http.Handler) http.Handler {
return &ChainHandler{mws, h, chain(mws, h)}
return &ChainHandler{h, chain(mws, h), mws}
}
// HandlerFunc builds and returns a http.Handler from the chain of middlewares,
// with `h http.Handler` as the final handler.
func (mws Middlewares) HandlerFunc(h http.HandlerFunc) http.Handler {
return &ChainHandler{mws, h, chain(mws, h)}
return &ChainHandler{h, chain(mws, h), mws}
}
// ChainHandler is a http.Handler with support for handler composition and
// execution.
type ChainHandler struct {
Middlewares Middlewares
Endpoint http.Handler
chain http.Handler
Middlewares Middlewares
}
func (c *ChainHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {

26
vendor/github.com/go-chi/chi/v5/context.go generated vendored
View File

@@ -45,37 +45,37 @@ var (
type Context struct {
Routes Routes
// parentCtx is the parent of this one, for using Context as a
// context.Context directly. This is an optimization that saves
// 1 allocation.
parentCtx context.Context
// Routing path/method override used during the route search.
// See Mux#routeHTTP method.
RoutePath string
RouteMethod string
// Routing pattern stack throughout the lifecycle of the request,
// across all connected routers. It is a record of all matching
// patterns across a stack of sub-routers.
RoutePatterns []string
// URLParams are the stack of routeParams captured during the
// routing lifecycle across a stack of sub-routers.
URLParams RouteParams
// Route parameters matched for the current sub-router. It is
// intentionally unexported so it cant be tampered.
routeParams RouteParams
// The endpoint routing pattern that matched the request URI path
// or `RoutePath` of the current sub-router. This value will update
// during the lifecycle of a request passing through a stack of
// sub-routers.
routePattern string
// Route parameters matched for the current sub-router. It is
// intentionally unexported so it cant be tampered.
routeParams RouteParams
// Routing pattern stack throughout the lifecycle of the request,
// across all connected routers. It is a record of all matching
// patterns across a stack of sub-routers.
RoutePatterns []string
// methodNotAllowed hint
methodNotAllowed bool
// parentCtx is the parent of this one, for using Context as a
// context.Context directly. This is an optimization that saves
// 1 allocation.
parentCtx context.Context
}
// Reset a routing context to its initial state.

6
vendor/github.com/go-chi/chi/v5/middleware/compress.go generated vendored
View File

@@ -45,7 +45,6 @@ func Compress(level int, types ...string) func(next http.Handler) http.Handler {
// Compressor represents a set of encoding configurations.
type Compressor struct {
level int // The compression level.
// The mapping of encoder names to encoder functions.
encoders map[string]EncoderFunc
// The mapping of pooled encoders to pools.
@@ -55,6 +54,7 @@ type Compressor struct {
allowedWildcards map[string]struct{}
// The list of encoders in order of decreasing precedence.
encodingPrecedence []string
level int // The compression level.
}
// NewCompressor creates a new Compressor that will handle encoding responses.
@@ -115,7 +115,7 @@ func NewCompressor(level int, types ...string) *Compressor {
// https://web.archive.org/web/20120321182910/http://www.vervestudios.co/projects/compression-tests/results
//
// That's why we prefer gzip over deflate. It's just more reliable
// and not significantly slower than gzip.
// and not significantly slower than deflate.
c.SetEncoder("deflate", encoderDeflate)
// TODO: Exception for old MSIE browsers that can't handle non-HTML?
@@ -271,9 +271,9 @@ type compressResponseWriter struct {
// The streaming encoder writer to be used if there is one. Otherwise,
// this is just the normal writer.
w io.Writer
encoding string
contentTypes map[string]struct{}
contentWildcards map[string]struct{}
encoding string
wroteHeader bool
compressable bool
}

2
vendor/github.com/go-chi/chi/v5/middleware/heartbeat.go generated vendored
View File

@@ -12,7 +12,7 @@ import (
func Heartbeat(endpoint string) func(http.Handler) http.Handler {
f := func(h http.Handler) http.Handler {
fn := func(w http.ResponseWriter, r *http.Request) {
if r.Method == "GET" && strings.EqualFold(r.URL.Path, endpoint) {
if (r.Method == "GET" || r.Method == "HEAD") && strings.EqualFold(r.URL.Path, endpoint) {
w.Header().Set("Content-Type", "text/plain")
w.WriteHeader(http.StatusOK)
w.Write([]byte("."))

18
vendor/github.com/go-chi/chi/v5/middleware/maybe.go generated vendored Normal file
View File

@@ -0,0 +1,18 @@
package middleware
import "net/http"
// Maybe middleware will allow you to change the flow of the middleware stack execution depending on return
// value of maybeFn(request). This is useful for example if you'd like to skip a middleware handler if
// a request does not satisfied the maybeFn logic.
func Maybe(mw func(http.Handler) http.Handler, maybeFn func(r *http.Request) bool) func(http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if maybeFn(r) {
mw(next).ServeHTTP(w, r)
} else {
next.ServeHTTP(w, r)
}
})
}
}

20
vendor/github.com/go-chi/chi/v5/middleware/page_route.go generated vendored Normal file
View File

@@ -0,0 +1,20 @@
package middleware
import (
"net/http"
"strings"
)
// PageRoute is a simple middleware which allows you to route a static GET request
// at the middleware stack level.
func PageRoute(path string, handler http.Handler) func(http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method == "GET" && strings.EqualFold(r.URL.Path, path) {
handler.ServeHTTP(w, r)
return
}
next.ServeHTTP(w, r)
})
}
}

16
vendor/github.com/go-chi/chi/v5/middleware/path_rewrite.go generated vendored Normal file
View File

@@ -0,0 +1,16 @@
package middleware
import (
"net/http"
"strings"
)
// PathRewrite is a simple middleware which allows you to rewrite the request URL path.
func PathRewrite(old, new string) func(http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
r.URL.Path = strings.Replace(r.URL.Path, old, new, 1)
next.ServeHTTP(w, r)
})
}
}

7
vendor/github.com/go-chi/chi/v5/middleware/profiler.go generated vendored
View File

@@ -36,6 +36,13 @@ func Profiler() http.Handler {
r.HandleFunc("/pprof/trace", pprof.Trace)
r.HandleFunc("/vars", expVars)
r.Handle("/pprof/goroutine", pprof.Handler("goroutine"))
r.Handle("/pprof/threadcreate", pprof.Handler("threadcreate"))
r.Handle("/pprof/mutex", pprof.Handler("mutex"))
r.Handle("/pprof/heap", pprof.Handler("heap"))
r.Handle("/pprof/block", pprof.Handler("block"))
r.Handle("/pprof/allocs", pprof.Handler("allocs"))
return r
}

9
vendor/github.com/go-chi/chi/v5/middleware/realip.go generated vendored
View File

@@ -8,12 +8,13 @@ import (
"strings"
)
var trueClientIP = http.CanonicalHeaderKey("True-Client-IP")
var xForwardedFor = http.CanonicalHeaderKey("X-Forwarded-For")
var xRealIP = http.CanonicalHeaderKey("X-Real-IP")
// RealIP is a middleware that sets a http.Request's RemoteAddr to the results
// of parsing either the X-Forwarded-For header or the X-Real-IP header (in that
// order).
// of parsing either the True-Client-IP, X-Real-IP or the X-Forwarded-For headers
// (in that order).
//
// This middleware should be inserted fairly early in the middleware stack to
// ensure that subsequent layers (e.g., request loggers) which examine the
@@ -40,7 +41,9 @@ func RealIP(h http.Handler) http.Handler {
func realIP(r *http.Request) string {
var ip string
if xrip := r.Header.Get(xRealIP); xrip != "" {
if tcip := r.Header.Get(trueClientIP); tcip != "" {
ip = tcip
} else if xrip := r.Header.Get(xRealIP); xrip != "" {
ip = xrip
} else if xff := r.Header.Get(xForwardedFor); xff != "" {
i := strings.Index(xff, ", ")

25
vendor/github.com/go-chi/chi/v5/middleware/recoverer.go generated vendored
View File

@@ -7,6 +7,7 @@ import (
"bytes"
"errors"
"fmt"
"io"
"net/http"
"os"
"runtime/debug"
@@ -40,12 +41,15 @@ func Recoverer(next http.Handler) http.Handler {
return http.HandlerFunc(fn)
}
// for ability to test the PrintPrettyStack function
var recovererErrorWriter io.Writer = os.Stderr
func PrintPrettyStack(rvr interface{}) {
debugStack := debug.Stack()
s := prettyStack{}
out, err := s.parse(debugStack, rvr)
if err == nil {
os.Stderr.Write(out)
recovererErrorWriter.Write(out)
} else {
// print stdlib output as a fallback
os.Stderr.Write(debugStack)
@@ -72,7 +76,7 @@ func (s prettyStack) parse(debugStack []byte, rvr interface{}) ([]byte, error) {
// locate panic line, as we may have nested panics
for i := len(stack) - 1; i > 0; i-- {
lines = append(lines, stack[i])
if strings.HasPrefix(stack[i], "panic(0x") {
if strings.HasPrefix(stack[i], "panic(") {
lines = lines[0 : len(lines)-2] // remove boilerplate
break
}
@@ -124,17 +128,18 @@ func (s prettyStack) decorateFuncCallLine(line string, useColor bool, num int) (
// addr := line[idx:]
method := ""
idx = strings.LastIndex(pkg, string(os.PathSeparator))
if idx < 0 {
idx = strings.Index(pkg, ".")
method = pkg[idx:]
pkg = pkg[0:idx]
if idx := strings.LastIndex(pkg, string(os.PathSeparator)); idx < 0 {
if idx := strings.Index(pkg, "."); idx > 0 {
method = pkg[idx:]
pkg = pkg[0:idx]
}
} else {
method = pkg[idx+1:]
pkg = pkg[0 : idx+1]
idx = strings.Index(method, ".")
pkg += method[0:idx]
method = method[idx:]
if idx := strings.Index(method, "."); idx > 0 {
pkg += method[0:idx]
method = method[idx:]
}
}
pkgColor := nYellow
methodColor := bGreen

4
vendor/github.com/go-chi/chi/v5/middleware/route_headers.go generated vendored
View File

@@ -112,9 +112,9 @@ func (hr HeaderRouter) Handler(next http.Handler) http.Handler {
}
type HeaderRoute struct {
MatchAny []Pattern
MatchOne Pattern
Middleware func(next http.Handler) http.Handler
MatchOne Pattern
MatchAny []Pattern
}
func (r HeaderRoute) IsMatch(value string) bool {

4
vendor/github.com/go-chi/chi/v5/middleware/throttle.go generated vendored
View File

@@ -18,10 +18,10 @@ var (
// ThrottleOpts represents a set of throttling options.
type ThrottleOpts struct {
RetryAfterFn func(ctxDone bool) time.Duration
Limit int
BacklogLimit int
BacklogTimeout time.Duration
RetryAfterFn func(ctxDone bool) time.Duration
}
// Throttle is a middleware that limits number of currently processed requests
@@ -119,8 +119,8 @@ type token struct{}
type throttler struct {
tokens chan token
backlogTokens chan token
backlogTimeout time.Duration
retryAfterFn func(ctxDone bool) time.Duration
backlogTimeout time.Duration
}
// setRetryAfterHeaderIfNeeded sets Retry-After HTTP header if corresponding retryAfterFn option of throttler is initialized.

68
vendor/github.com/go-chi/chi/v5/middleware/wrap_writer.go generated vendored
View File

@@ -19,15 +19,25 @@ func NewWrapResponseWriter(w http.ResponseWriter, protoMajor int) WrapResponseWr
if protoMajor == 2 {
_, ps := w.(http.Pusher)
if fl || ps {
if fl && ps {
return &http2FancyWriter{bw}
}
} else {
_, hj := w.(http.Hijacker)
_, rf := w.(io.ReaderFrom)
if fl || hj || rf {
if fl && hj && rf {
return &httpFancyWriter{bw}
}
if fl && hj {
return &flushHijackWriter{bw}
}
if hj {
return &hijackWriter{bw}
}
}
if fl {
return &flushWriter{bw}
}
return &bw
@@ -107,6 +117,50 @@ func (b *basicWriter) Unwrap() http.ResponseWriter {
return b.ResponseWriter
}
// flushWriter ...
type flushWriter struct {
basicWriter
}
func (f *flushWriter) Flush() {
f.wroteHeader = true
fl := f.basicWriter.ResponseWriter.(http.Flusher)
fl.Flush()
}
var _ http.Flusher = &flushWriter{}
// hijackWriter ...
type hijackWriter struct {
basicWriter
}
func (f *hijackWriter) Hijack() (net.Conn, *bufio.ReadWriter, error) {
hj := f.basicWriter.ResponseWriter.(http.Hijacker)
return hj.Hijack()
}
var _ http.Hijacker = &hijackWriter{}
// flushHijackWriter ...
type flushHijackWriter struct {
basicWriter
}
func (f *flushHijackWriter) Flush() {
f.wroteHeader = true
fl := f.basicWriter.ResponseWriter.(http.Flusher)
fl.Flush()
}
func (f *flushHijackWriter) Hijack() (net.Conn, *bufio.ReadWriter, error) {
hj := f.basicWriter.ResponseWriter.(http.Hijacker)
return hj.Hijack()
}
var _ http.Flusher = &flushHijackWriter{}
var _ http.Hijacker = &flushHijackWriter{}
// httpFancyWriter is a HTTP writer that additionally satisfies
// http.Flusher, http.Hijacker, and io.ReaderFrom. It exists for the common case
// of wrapping the http.ResponseWriter that package http gives you, in order to
@@ -126,6 +180,10 @@ func (f *httpFancyWriter) Hijack() (net.Conn, *bufio.ReadWriter, error) {
return hj.Hijack()
}
func (f *http2FancyWriter) Push(target string, opts *http.PushOptions) error {
return f.basicWriter.ResponseWriter.(http.Pusher).Push(target, opts)
}
func (f *httpFancyWriter) ReadFrom(r io.Reader) (int64, error) {
if f.basicWriter.tee != nil {
n, err := io.Copy(&f.basicWriter, r)
@@ -141,6 +199,7 @@ func (f *httpFancyWriter) ReadFrom(r io.Reader) (int64, error) {
var _ http.Flusher = &httpFancyWriter{}
var _ http.Hijacker = &httpFancyWriter{}
var _ http.Pusher = &http2FancyWriter{}
var _ io.ReaderFrom = &httpFancyWriter{}
// http2FancyWriter is a HTTP2 writer that additionally satisfies
@@ -157,9 +216,4 @@ func (f *http2FancyWriter) Flush() {
fl.Flush()
}
func (f *http2FancyWriter) Push(target string, opts *http.PushOptions) error {
return f.basicWriter.ResponseWriter.(http.Pusher).Push(target, opts)
}
var _ http.Flusher = &http2FancyWriter{}
var _ http.Pusher = &http2FancyWriter{}

44
vendor/github.com/go-chi/chi/v5/mux.go generated vendored
View File

@@ -19,29 +19,30 @@ var _ Router = &Mux{}
// particularly useful for writing large REST API services that break a handler
// into many smaller parts composed of middlewares and end handlers.
type Mux struct {
// The radix trie router
tree *node
// The middleware stack
middlewares []func(http.Handler) http.Handler
// Controls the behaviour of middleware chain generation when a mux
// is registered as an inline group inside another mux.
inline bool
parent *Mux
// The computed mux handler made of the chained middleware stack and
// the tree router
handler http.Handler
// The radix trie router
tree *node
// Custom method not allowed handler
methodNotAllowedHandler http.HandlerFunc
// Controls the behaviour of middleware chain generation when a mux
// is registered as an inline group inside another mux.
parent *Mux
// Routing context pool
pool *sync.Pool
// Custom route not found handler
notFoundHandler http.HandlerFunc
// Custom method not allowed handler
methodNotAllowedHandler http.HandlerFunc
// The middleware stack
middlewares []func(http.Handler) http.Handler
inline bool
}
// NewMux returns a newly initialized Mux object that implements the Router
@@ -188,16 +189,17 @@ func (mx *Mux) Trace(pattern string, handlerFn http.HandlerFunc) {
func (mx *Mux) NotFound(handlerFn http.HandlerFunc) {
// Build NotFound handler chain
m := mx
h := Chain(mx.middlewares...).HandlerFunc(handlerFn).ServeHTTP
hFn := handlerFn
if mx.inline && mx.parent != nil {
m = mx.parent
hFn = Chain(mx.middlewares...).HandlerFunc(hFn).ServeHTTP
}
// Update the notFoundHandler from this point forward
m.notFoundHandler = h
m.notFoundHandler = hFn
m.updateSubRoutes(func(subMux *Mux) {
if subMux.notFoundHandler == nil {
subMux.NotFound(h)
subMux.NotFound(hFn)
}
})
}
@@ -207,16 +209,17 @@ func (mx *Mux) NotFound(handlerFn http.HandlerFunc) {
func (mx *Mux) MethodNotAllowed(handlerFn http.HandlerFunc) {
// Build MethodNotAllowed handler chain
m := mx
h := Chain(mx.middlewares...).HandlerFunc(handlerFn).ServeHTTP
hFn := handlerFn
if mx.inline && mx.parent != nil {
m = mx.parent
hFn = Chain(mx.middlewares...).HandlerFunc(hFn).ServeHTTP
}
// Update the methodNotAllowedHandler from this point forward
m.methodNotAllowedHandler = h
m.methodNotAllowedHandler = hFn
m.updateSubRoutes(func(subMux *Mux) {
if subMux.methodNotAllowedHandler == nil {
subMux.MethodNotAllowed(h)
subMux.MethodNotAllowed(hFn)
}
})
}
@@ -419,6 +422,9 @@ func (mx *Mux) routeHTTP(w http.ResponseWriter, r *http.Request) {
} else {
routePath = r.URL.Path
}
if routePath == "" {
routePath = "/"
}
}
// Check if method is supported by chi

34
vendor/github.com/go-chi/chi/v5/tree.go generated vendored
View File

@@ -13,7 +13,7 @@ import (
"strings"
)
type methodTyp int
type methodTyp uint
const (
mSTUB methodTyp = 1 << iota
@@ -72,17 +72,8 @@ const (
)
type node struct {
// node type: static, regexp, param, catchAll
typ nodeTyp
// first byte of the prefix
label byte
// first byte of the child prefix
tail byte
// prefix is the common prefix we ignore
prefix string
// subroutes on the leaf node
subroutes Routes
// regexp matcher for regexp nodes
rex *regexp.Regexp
@@ -90,12 +81,21 @@ type node struct {
// HTTP handler endpoints on the leaf node
endpoints endpoints
// subroutes on the leaf node
subroutes Routes
// prefix is the common prefix we ignore
prefix string
// child nodes should be stored in-order for iteration,
// in groups of the node type.
children [ntCatchAll + 1]nodes
// first byte of the child prefix
tail byte
// node type: static, regexp, param, catchAll
typ nodeTyp
// first byte of the prefix
label byte
}
// endpoints is a mapping of http method constants to handlers
@@ -631,7 +631,7 @@ func (n *node) routes() []Route {
hs[m] = h.handler
}
rt := Route{p, hs, subroutes}
rt := Route{subroutes, hs, p}
rts = append(rts, rt)
}
@@ -815,9 +815,9 @@ func (ns nodes) findEdge(label byte) *node {
// Route describes the details of a routing handler.
// Handlers map key is an HTTP method
type Route struct {
Pattern string
Handlers map[string]http.Handler
SubRoutes Routes
Handlers map[string]http.Handler
Pattern string
}
// WalkFunc is the type of the function called for each method and route visited by Walk.

38
vendor/github.com/go-chi/httplog/config.go generated vendored
View File

@@ -11,12 +11,14 @@ import (
)
var DefaultOptions = Options{
LogLevel: "info",
LevelFieldName: "level",
JSON: false,
Concise: false,
Tags: nil,
SkipHeaders: nil,
LogLevel: "info",
LevelFieldName: "level",
JSON: false,
Concise: false,
Tags: nil,
SkipHeaders: nil,
TimeFieldFormat: time.RFC3339Nano,
TimeFieldName: "timestamp",
}
type Options struct {
@@ -37,7 +39,7 @@ type Options struct {
JSON bool
// Concise mode includes fewer log details during the request flow. For example
// exluding details like request content length, user-agent and other details.
// excluding details like request content length, user-agent and other details.
// This is useful if during development your console is too noisy.
Concise bool
@@ -48,6 +50,14 @@ type Options struct {
// SkipHeaders are additional headers which are redacted from the logs
SkipHeaders []string
// TimeFieldFormat defines the time format of the Time field, defaulting to "time.RFC3339Nano" see options at:
// https://pkg.go.dev/time#pkg-constants
TimeFieldFormat string
// TimeFieldName sets the field name for the time field.
// Some providers parse and search for different field names.
TimeFieldName string
}
// Configure will set new global/default options for the httplog and behaviour
@@ -61,6 +71,14 @@ func Configure(opts Options) {
opts.LevelFieldName = "level"
}
if opts.TimeFieldFormat == "" {
opts.TimeFieldFormat = time.RFC3339Nano
}
if opts.TimeFieldName == "" {
opts.TimeFieldName = "timestamp"
}
// Pre-downcase all SkipHeaders
for i, header := range opts.SkipHeaders {
opts.SkipHeaders[i] = strings.ToLower(header)
@@ -77,10 +95,10 @@ func Configure(opts Options) {
zerolog.SetGlobalLevel(logLevel)
zerolog.LevelFieldName = strings.ToLower(opts.LevelFieldName)
zerolog.TimestampFieldName = "timestamp"
zerolog.TimeFieldFormat = time.RFC3339Nano
zerolog.TimestampFieldName = strings.ToLower(opts.TimeFieldName)
zerolog.TimeFieldFormat = opts.TimeFieldFormat
if !opts.JSON {
log.Logger = log.Output(zerolog.ConsoleWriter{Out: os.Stderr, TimeFormat: time.RFC3339})
log.Logger = log.Output(zerolog.ConsoleWriter{Out: os.Stderr, TimeFormat: opts.TimeFieldFormat})
}
}

10
vendor/github.com/go-chi/httplog/httplog.go generated vendored
View File

@@ -31,7 +31,7 @@ func NewLogger(serviceName string, opts ...Options) zerolog.Logger {
// RequestLogger is an http middleware to log http requests and responses.
//
// NOTE: for simplicty, RequestLogger automatically makes use of the chi RequestID and
// NOTE: for simplicity, RequestLogger automatically makes use of the chi RequestID and
// Recoverer middleware.
func RequestLogger(logger zerolog.Logger) func(next http.Handler) http.Handler {
return chi.Chain(
@@ -231,8 +231,12 @@ func statusLabel(status int) string {
// with a call to .Print(), .Info(), etc.
func LogEntry(ctx context.Context) zerolog.Logger {
entry := ctx.Value(middleware.LogEntryCtxKey).(*RequestLoggerEntry)
return entry.Logger
entry, ok := ctx.Value(middleware.LogEntryCtxKey).(*RequestLoggerEntry)
if !ok || entry == nil {
return zerolog.Nop()
} else {
return entry.Logger
}
}
func LogEntrySetField(ctx context.Context, key, value string) {