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[chore] improved router logging, recovery and error handling (#705)

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* move panic recovery to logging middleware, improve logging + panic recovery logic

Signed-off-by: kim <grufwub@gmail.com>

* remove dead code

Signed-off-by: kim <grufwub@gmail.com>

* remove skip paths code

Signed-off-by: kim <grufwub@gmail.com>

* re-enable log quoting

Signed-off-by: kim <grufwub@gmail.com>

* use human-friendly bytesize in logging body size

Signed-off-by: kim <grufwub@gmail.com>

* only disable quoting in debug builds

Signed-off-by: kim <grufwub@gmail.com>

* use logrus level instead of debug.DEBUG() to enable/disable quoting

Signed-off-by: kim <grufwub@gmail.com>

* shutup linter

Signed-off-by: kim <grufwub@gmail.com>

* fix instance tests

Signed-off-by: kim <grufwub@gmail.com>

* fix gin test contexts created with missing engine HTML renderer

Signed-off-by: kim <grufwub@gmail.com>

* add note regarding not logging query parameters

Signed-off-by: kim <grufwub@gmail.com>

* better explain 'DisableQuoting' logic

Signed-off-by: kim <grufwub@gmail.com>

* add license text

Signed-off-by: kim <grufwub@gmail.com>
This commit is contained in:
kim
2022-07-12 08:32:20 +01:00
committed by GitHub
parent a465cefb8c
commit 6934ae378a
36 changed files with 526 additions and 190 deletions
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37
internal/api/errorhandling.go
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@ -22,7 +22,6 @@ import (
"context"
"net/http"
"codeberg.org/gruf/go-errors/v2"
"github.com/gin-gonic/gin"
"github.com/sirupsen/logrus"
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
@ -86,47 +85,13 @@ func genericErrorHandler(c *gin.Context, instanceGet func(ctx context.Context, d
// if something goes wrong during the function, it will recover and just try to serve
// an appropriate application/json content-type error.
func ErrorHandler(c *gin.Context, errWithCode gtserror.WithCode, instanceGet func(ctx context.Context, domain string) (*apimodel.Instance, gtserror.WithCode)) {
path := c.Request.URL.Path
if raw := c.Request.URL.RawQuery; raw != "" {
path = path + "?" + raw
}
l := logrus.WithFields(logrus.Fields{
"path": path,
"error": errWithCode.Error(),
})
statusCode := errWithCode.Code()
if statusCode == http.StatusInternalServerError {
l.Error("Internal Server Error")
} else {
l.Debug("handling error")
}
// if we panic for any reason during error handling,
// we should still try to return a basic code
defer func() {
if p := recover(); p != nil {
// Fetch stacktrace up to this point
callers := errors.GetCallers(3, 10)
// Log this panic to the standard log
l = l.WithField("stacktrace", callers)
l.Errorf("recovered from panic: %v", p)
// Respond with determined error code
c.JSON(statusCode, gin.H{"error": errWithCode.Safe()})
}
}()
// discover if we're allowed to serve a nice html error page,
// or if we should just use a json. Normally we would want to
// check for a returned error, but if an error occurs here we
// can just fall back to default behavior (serve json error).
accept, _ := NegotiateAccept(c, HTMLOrJSONAcceptHeaders...)
if statusCode == http.StatusNotFound {
if errWithCode.Code() == http.StatusNotFound {
// use our special not found handler with useful status text
NotFoundHandler(c, instanceGet, accept)
} else {