mirror of
https://github.com/go-gitea/gitea.git
synced 2024-08-21 12:03:26 +02:00
* When route cannot be found on chi, go to macaron * Stick chi version to 1.5.0 * Follow router log setting
156 lines
4.4 KiB
Go
Vendored
156 lines
4.4 KiB
Go
Vendored
package middleware
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"log"
|
|
"net/http"
|
|
"os"
|
|
"time"
|
|
)
|
|
|
|
var (
|
|
// LogEntryCtxKey is the context.Context key to store the request log entry.
|
|
LogEntryCtxKey = &contextKey{"LogEntry"}
|
|
|
|
// DefaultLogger is called by the Logger middleware handler to log each request.
|
|
// Its made a package-level variable so that it can be reconfigured for custom
|
|
// logging configurations.
|
|
DefaultLogger = RequestLogger(&DefaultLogFormatter{Logger: log.New(os.Stdout, "", log.LstdFlags), NoColor: false})
|
|
)
|
|
|
|
// Logger is a middleware that logs the start and end of each request, along
|
|
// with some useful data about what was requested, what the response status was,
|
|
// and how long it took to return. When standard output is a TTY, Logger will
|
|
// 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/goware/httplog for a more in-depth
|
|
// http logger with structured logging support.
|
|
func Logger(next http.Handler) http.Handler {
|
|
return DefaultLogger(next)
|
|
}
|
|
|
|
// RequestLogger returns a logger handler using a custom LogFormatter.
|
|
func RequestLogger(f LogFormatter) func(next http.Handler) http.Handler {
|
|
return func(next http.Handler) http.Handler {
|
|
fn := func(w http.ResponseWriter, r *http.Request) {
|
|
entry := f.NewLogEntry(r)
|
|
ww := NewWrapResponseWriter(w, r.ProtoMajor)
|
|
|
|
t1 := time.Now()
|
|
defer func() {
|
|
entry.Write(ww.Status(), ww.BytesWritten(), ww.Header(), time.Since(t1), nil)
|
|
}()
|
|
|
|
next.ServeHTTP(ww, WithLogEntry(r, entry))
|
|
}
|
|
return http.HandlerFunc(fn)
|
|
}
|
|
}
|
|
|
|
// LogFormatter initiates the beginning of a new LogEntry per request.
|
|
// See DefaultLogFormatter for an example implementation.
|
|
type LogFormatter interface {
|
|
NewLogEntry(r *http.Request) LogEntry
|
|
}
|
|
|
|
// LogEntry records the final log when a request completes.
|
|
// See defaultLogEntry for an example implementation.
|
|
type LogEntry interface {
|
|
Write(status, bytes int, header http.Header, elapsed time.Duration, extra interface{})
|
|
Panic(v interface{}, stack []byte)
|
|
}
|
|
|
|
// GetLogEntry returns the in-context LogEntry for a request.
|
|
func GetLogEntry(r *http.Request) LogEntry {
|
|
entry, _ := r.Context().Value(LogEntryCtxKey).(LogEntry)
|
|
return entry
|
|
}
|
|
|
|
// WithLogEntry sets the in-context LogEntry for a request.
|
|
func WithLogEntry(r *http.Request, entry LogEntry) *http.Request {
|
|
r = r.WithContext(context.WithValue(r.Context(), LogEntryCtxKey, entry))
|
|
return r
|
|
}
|
|
|
|
// LoggerInterface accepts printing to stdlib logger or compatible logger.
|
|
type LoggerInterface interface {
|
|
Print(v ...interface{})
|
|
}
|
|
|
|
// DefaultLogFormatter is a simple logger that implements a LogFormatter.
|
|
type DefaultLogFormatter struct {
|
|
Logger LoggerInterface
|
|
NoColor bool
|
|
}
|
|
|
|
// NewLogEntry creates a new LogEntry for the request.
|
|
func (l *DefaultLogFormatter) NewLogEntry(r *http.Request) LogEntry {
|
|
useColor := !l.NoColor
|
|
entry := &defaultLogEntry{
|
|
DefaultLogFormatter: l,
|
|
request: r,
|
|
buf: &bytes.Buffer{},
|
|
useColor: useColor,
|
|
}
|
|
|
|
reqID := GetReqID(r.Context())
|
|
if reqID != "" {
|
|
cW(entry.buf, useColor, nYellow, "[%s] ", reqID)
|
|
}
|
|
cW(entry.buf, useColor, nCyan, "\"")
|
|
cW(entry.buf, useColor, bMagenta, "%s ", r.Method)
|
|
|
|
scheme := "http"
|
|
if r.TLS != nil {
|
|
scheme = "https"
|
|
}
|
|
cW(entry.buf, useColor, nCyan, "%s://%s%s %s\" ", scheme, r.Host, r.RequestURI, r.Proto)
|
|
|
|
entry.buf.WriteString("from ")
|
|
entry.buf.WriteString(r.RemoteAddr)
|
|
entry.buf.WriteString(" - ")
|
|
|
|
return entry
|
|
}
|
|
|
|
type defaultLogEntry struct {
|
|
*DefaultLogFormatter
|
|
request *http.Request
|
|
buf *bytes.Buffer
|
|
useColor bool
|
|
}
|
|
|
|
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)
|
|
case status < 300:
|
|
cW(l.buf, l.useColor, bGreen, "%03d", status)
|
|
case status < 400:
|
|
cW(l.buf, l.useColor, bCyan, "%03d", status)
|
|
case status < 500:
|
|
cW(l.buf, l.useColor, bYellow, "%03d", status)
|
|
default:
|
|
cW(l.buf, l.useColor, bRed, "%03d", status)
|
|
}
|
|
|
|
cW(l.buf, l.useColor, bBlue, " %dB", bytes)
|
|
|
|
l.buf.WriteString(" in ")
|
|
if elapsed < 500*time.Millisecond {
|
|
cW(l.buf, l.useColor, nGreen, "%s", elapsed)
|
|
} else if elapsed < 5*time.Second {
|
|
cW(l.buf, l.useColor, nYellow, "%s", elapsed)
|
|
} else {
|
|
cW(l.buf, l.useColor, nRed, "%s", elapsed)
|
|
}
|
|
|
|
l.Logger.Print(l.buf.String())
|
|
}
|
|
|
|
func (l *defaultLogEntry) Panic(v interface{}, stack []byte) {
|
|
PrintPrettyStack(v)
|
|
}
|