diff options
author | Niall Sheridan <nsheridan@gmail.com> | 2018-08-23 22:51:21 +0100 |
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committer | Niall Sheridan <nsheridan@gmail.com> | 2018-08-24 13:45:03 +0100 |
commit | f8e3dea19012ccf05965d10255789eec33c2ebcf (patch) | |
tree | 8522ceada8bc7270648f29615b89550db910cb6c /vendor/github.com/gorilla/handlers/handlers.go | |
parent | 91f9bc722152146466523861162b85195f99875b (diff) |
Update deps
Diffstat (limited to 'vendor/github.com/gorilla/handlers/handlers.go')
-rw-r--r-- | vendor/github.com/gorilla/handlers/handlers.go | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/vendor/github.com/gorilla/handlers/handlers.go b/vendor/github.com/gorilla/handlers/handlers.go index 75db7f8..d03f2bf 100644 --- a/vendor/github.com/gorilla/handlers/handlers.go +++ b/vendor/github.com/gorilla/handlers/handlers.go @@ -7,15 +7,10 @@ package handlers import ( "bufio" "fmt" - "io" "net" "net/http" - "net/url" "sort" - "strconv" "strings" - "time" - "unicode/utf8" ) // MethodHandler is an http.Handler that dispatches to a handler whose key in the @@ -48,59 +43,6 @@ func (h MethodHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) { } } -// loggingHandler is the http.Handler implementation for LoggingHandlerTo and its -// friends -type loggingHandler struct { - writer io.Writer - handler http.Handler -} - -// combinedLoggingHandler is the http.Handler implementation for LoggingHandlerTo -// and its friends -type combinedLoggingHandler struct { - writer io.Writer - handler http.Handler -} - -func (h loggingHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) { - t := time.Now() - logger := makeLogger(w) - url := *req.URL - h.handler.ServeHTTP(logger, req) - writeLog(h.writer, req, url, t, logger.Status(), logger.Size()) -} - -func (h combinedLoggingHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) { - t := time.Now() - logger := makeLogger(w) - url := *req.URL - h.handler.ServeHTTP(logger, req) - writeCombinedLog(h.writer, req, url, t, logger.Status(), logger.Size()) -} - -func makeLogger(w http.ResponseWriter) loggingResponseWriter { - var logger loggingResponseWriter = &responseLogger{w: w, status: http.StatusOK} - if _, ok := w.(http.Hijacker); ok { - logger = &hijackLogger{responseLogger{w: w, status: http.StatusOK}} - } - h, ok1 := logger.(http.Hijacker) - c, ok2 := w.(http.CloseNotifier) - if ok1 && ok2 { - return hijackCloseNotifier{logger, h, c} - } - if ok2 { - return &closeNotifyWriter{logger, c} - } - return logger -} - -type commonLoggingResponseWriter interface { - http.ResponseWriter - http.Flusher - Status() int - Size() int -} - // responseLogger is wrapper of http.ResponseWriter that keeps track of its HTTP // status code and body size type responseLogger struct { @@ -165,173 +107,6 @@ type hijackCloseNotifier struct { http.CloseNotifier } -const lowerhex = "0123456789abcdef" - -func appendQuoted(buf []byte, s string) []byte { - var runeTmp [utf8.UTFMax]byte - for width := 0; len(s) > 0; s = s[width:] { - r := rune(s[0]) - width = 1 - if r >= utf8.RuneSelf { - r, width = utf8.DecodeRuneInString(s) - } - if width == 1 && r == utf8.RuneError { - buf = append(buf, `\x`...) - buf = append(buf, lowerhex[s[0]>>4]) - buf = append(buf, lowerhex[s[0]&0xF]) - continue - } - if r == rune('"') || r == '\\' { // always backslashed - buf = append(buf, '\\') - buf = append(buf, byte(r)) - continue - } - if strconv.IsPrint(r) { - n := utf8.EncodeRune(runeTmp[:], r) - buf = append(buf, runeTmp[:n]...) - continue - } - switch r { - case '\a': - buf = append(buf, `\a`...) - case '\b': - buf = append(buf, `\b`...) - case '\f': - buf = append(buf, `\f`...) - case '\n': - buf = append(buf, `\n`...) - case '\r': - buf = append(buf, `\r`...) - case '\t': - buf = append(buf, `\t`...) - case '\v': - buf = append(buf, `\v`...) - default: - switch { - case r < ' ': - buf = append(buf, `\x`...) - buf = append(buf, lowerhex[s[0]>>4]) - buf = append(buf, lowerhex[s[0]&0xF]) - case r > utf8.MaxRune: - r = 0xFFFD - fallthrough - case r < 0x10000: - buf = append(buf, `\u`...) - for s := 12; s >= 0; s -= 4 { - buf = append(buf, lowerhex[r>>uint(s)&0xF]) - } - default: - buf = append(buf, `\U`...) - for s := 28; s >= 0; s -= 4 { - buf = append(buf, lowerhex[r>>uint(s)&0xF]) - } - } - } - } - return buf - -} - -// buildCommonLogLine builds a log entry for req in Apache Common Log Format. -// ts is the timestamp with which the entry should be logged. -// status and size are used to provide the response HTTP status and size. -func buildCommonLogLine(req *http.Request, url url.URL, ts time.Time, status int, size int) []byte { - username := "-" - if url.User != nil { - if name := url.User.Username(); name != "" { - username = name - } - } - - host, _, err := net.SplitHostPort(req.RemoteAddr) - - if err != nil { - host = req.RemoteAddr - } - - uri := req.RequestURI - - // Requests using the CONNECT method over HTTP/2.0 must use - // the authority field (aka r.Host) to identify the target. - // Refer: https://httpwg.github.io/specs/rfc7540.html#CONNECT - if req.ProtoMajor == 2 && req.Method == "CONNECT" { - uri = req.Host - } - if uri == "" { - uri = url.RequestURI() - } - - buf := make([]byte, 0, 3*(len(host)+len(username)+len(req.Method)+len(uri)+len(req.Proto)+50)/2) - buf = append(buf, host...) - buf = append(buf, " - "...) - buf = append(buf, username...) - buf = append(buf, " ["...) - buf = append(buf, ts.Format("02/Jan/2006:15:04:05 -0700")...) - buf = append(buf, `] "`...) - buf = append(buf, req.Method...) - buf = append(buf, " "...) - buf = appendQuoted(buf, uri) - buf = append(buf, " "...) - buf = append(buf, req.Proto...) - buf = append(buf, `" `...) - buf = append(buf, strconv.Itoa(status)...) - buf = append(buf, " "...) - buf = append(buf, strconv.Itoa(size)...) - return buf -} - -// writeLog writes a log entry for req to w in Apache Common Log Format. -// ts is the timestamp with which the entry should be logged. -// status and size are used to provide the response HTTP status and size. -func writeLog(w io.Writer, req *http.Request, url url.URL, ts time.Time, status, size int) { - buf := buildCommonLogLine(req, url, ts, status, size) - buf = append(buf, '\n') - w.Write(buf) -} - -// writeCombinedLog writes a log entry for req to w in Apache Combined Log Format. -// ts is the timestamp with which the entry should be logged. -// status and size are used to provide the response HTTP status and size. -func writeCombinedLog(w io.Writer, req *http.Request, url url.URL, ts time.Time, status, size int) { - buf := buildCommonLogLine(req, url, ts, status, size) - buf = append(buf, ` "`...) - buf = appendQuoted(buf, req.Referer()) - buf = append(buf, `" "`...) - buf = appendQuoted(buf, req.UserAgent()) - buf = append(buf, '"', '\n') - w.Write(buf) -} - -// CombinedLoggingHandler return a http.Handler that wraps h and logs requests to out in -// Apache Combined Log Format. -// -// See http://httpd.apache.org/docs/2.2/logs.html#combined for a description of this format. -// -// LoggingHandler always sets the ident field of the log to - -func CombinedLoggingHandler(out io.Writer, h http.Handler) http.Handler { - return combinedLoggingHandler{out, h} -} - -// LoggingHandler return a http.Handler that wraps h and logs requests to out in -// Apache Common Log Format (CLF). -// -// See http://httpd.apache.org/docs/2.2/logs.html#common for a description of this format. -// -// LoggingHandler always sets the ident field of the log to - -// -// Example: -// -// r := mux.NewRouter() -// r.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { -// w.Write([]byte("This is a catch-all route")) -// }) -// loggedRouter := handlers.LoggingHandler(os.Stdout, r) -// http.ListenAndServe(":1123", loggedRouter) -// -func LoggingHandler(out io.Writer, h http.Handler) http.Handler { - return loggingHandler{out, h} -} - // isContentType validates the Content-Type header matches the supplied // contentType. That is, its type and subtype match. func isContentType(h http.Header, contentType string) bool { |