67 lines
1.4 KiB
Go
67 lines
1.4 KiB
Go
package middleware
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import (
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"fmt"
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"net/http"
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"time"
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"github.com/gin-gonic/gin"
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"github.com/sirupsen/logrus"
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)
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var timeFormat = "02/Jan/2006:15:04:05 -0700"
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// Logger is the logrus logger handler
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func Logger(logger logrus.FieldLogger) gin.HandlerFunc {
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return func(c *gin.Context) {
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// other handler can change c.Path so:
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path := c.Request.URL.Path
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start := time.Now()
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c.Next()
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stop := time.Since(start)
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statusCode := c.Writer.Status()
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clientIP := c.ClientIP()
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clientUserAgent := c.Request.UserAgent()
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referer := c.Request.Referer()
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dataLength := c.Writer.Size()
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if dataLength < 0 {
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dataLength = 0
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}
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entry := logger.WithFields(logrus.Fields{
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"statusCode": statusCode,
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"latency": stop.String(), // time to process
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"clientIP": clientIP,
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"method": c.Request.Method,
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"path": path,
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"referer": referer,
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"dataLength": dataLength,
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"userAgent": clientUserAgent,
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})
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if len(c.Errors) > 0 {
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entry.Error(c.Errors.ByType(gin.ErrorTypePrivate).String())
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} else {
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msg := fmt.Sprintf(
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"%s - [%s] \"%s %s\" %d %d \"%s\" \"%s\" (%s)",
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clientIP,
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time.Now().Format(timeFormat),
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c.Request.Method,
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path,
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statusCode,
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dataLength,
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referer,
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clientUserAgent,
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stop,
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)
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if statusCode >= http.StatusInternalServerError {
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entry.Error(msg)
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} else if statusCode >= http.StatusBadRequest {
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entry.Warn(msg)
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} else {
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entry.Info(msg)
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}
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}
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}
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}
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