97 lines
2.6 KiB
Go
97 lines
2.6 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package router
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import (
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"fmt"
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"net/http"
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"os"
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"time"
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"codeberg.org/gruf/go-bytesize"
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"codeberg.org/gruf/go-errors/v2"
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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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// loggingMiddleware provides a request logging and panic recovery gin handler.
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func loggingMiddleware(c *gin.Context) {
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// Initialize the logging fields
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fields := make(logrus.Fields, 7)
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// Determine pre-handler time
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before := time.Now()
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defer func() {
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code := c.Writer.Status()
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path := c.Request.URL.Path
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if r := recover(); r != nil {
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if c.Writer.Status() == 0 {
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// No response was written, send a generic Internal Error
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c.Writer.WriteHeader(http.StatusInternalServerError)
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}
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// Append panic information to the request ctx
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_ = c.Error(fmt.Errorf("recovered panic: %v", r))
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// Dump a stacktrace to stderr
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callers := errors.GetCallers(3, 10)
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fmt.Fprintf(os.Stderr, "recovered panic: %v\n%s", r, callers)
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}
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// NOTE:
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// It is very important here that we are ONLY logging
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// the request path, and none of the query parameters.
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// Query parameters can contain sensitive information
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// and could lead to storing plaintext API keys in logs
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// Set request logging fields
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fields["latency"] = time.Since(before)
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fields["clientIP"] = c.ClientIP()
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fields["userAgent"] = c.Request.UserAgent()
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fields["method"] = c.Request.Method
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fields["statusCode"] = code
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fields["path"] = path
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// Create a log entry with fields
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l := logrus.WithFields(fields)
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l.Level = logrus.InfoLevel
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if code >= 500 {
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// This is a server error
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l.Level = logrus.ErrorLevel
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if len(c.Errors) > 0 {
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// Add an error string log field
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fields["error"] = c.Errors.String()
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}
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}
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// Generate a nicer looking bytecount
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size := bytesize.Size(c.Writer.Size())
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// Finally, write log entry with status text body size
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l.Logf(l.Level, "%s: wrote %s", http.StatusText(code), size)
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}()
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// Process request
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c.Next()
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}
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