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Diffstat (limited to 'vendor/github.com/gorilla/handlers/logging.go')
-rw-r--r--vendor/github.com/gorilla/handlers/logging.go252
1 files changed, 0 insertions, 252 deletions
diff --git a/vendor/github.com/gorilla/handlers/logging.go b/vendor/github.com/gorilla/handlers/logging.go
deleted file mode 100644
index cbd182f..0000000
--- a/vendor/github.com/gorilla/handlers/logging.go
+++ /dev/null
@@ -1,252 +0,0 @@
-// Copyright 2013 The Gorilla Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package handlers
-
-import (
- "io"
- "net"
- "net/http"
- "net/url"
- "strconv"
- "time"
- "unicode/utf8"
-)
-
-// Logging
-
-// FormatterParams is the structure any formatter will be handed when time to log comes
-type LogFormatterParams struct {
- Request *http.Request
- URL url.URL
- TimeStamp time.Time
- StatusCode int
- Size int
-}
-
-// LogFormatter gives the signature of the formatter function passed to CustomLoggingHandler
-type LogFormatter func(writer io.Writer, params LogFormatterParams)
-
-// loggingHandler is the http.Handler implementation for LoggingHandlerTo and its
-// friends
-
-type loggingHandler struct {
- writer io.Writer
- handler http.Handler
- formatter LogFormatter
-}
-
-func (h loggingHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
- t := time.Now()
- logger := makeLogger(w)
- url := *req.URL
-
- h.handler.ServeHTTP(logger, req)
-
- params := LogFormatterParams{
- Request: req,
- URL: url,
- TimeStamp: t,
- StatusCode: logger.Status(),
- Size: logger.Size(),
- }
-
- h.formatter(h.writer, params)
-}
-
-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
-}
-
-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(writer io.Writer, params LogFormatterParams) {
- buf := buildCommonLogLine(params.Request, params.URL, params.TimeStamp, params.StatusCode, params.Size)
- buf = append(buf, '\n')
- writer.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(writer io.Writer, params LogFormatterParams) {
- buf := buildCommonLogLine(params.Request, params.URL, params.TimeStamp, params.StatusCode, params.Size)
- buf = append(buf, ` "`...)
- buf = appendQuoted(buf, params.Request.Referer())
- buf = append(buf, `" "`...)
- buf = appendQuoted(buf, params.Request.UserAgent())
- buf = append(buf, '"', '\n')
- writer.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 loggingHandler{out, h, writeCombinedLog}
-}
-
-// 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, writeLog}
-}
-
-// CustomLoggingHandler provides a way to supply a custom log formatter
-// while taking advantage of the mechanisms in this package
-func CustomLoggingHandler(out io.Writer, h http.Handler, f LogFormatter) http.Handler {
- return loggingHandler{out, h, f}
-}
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