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Move char_limiter to utils and rename

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This commit is contained in:
erik 2023-12-20 12:30:22 +01:00 committed by Michael Jerger
parent afc9acd925
commit 4d1492831d
2 changed files with 21 additions and 17 deletions
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19
routers/api/v1/activitypub/repository.go
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@ -23,6 +23,7 @@ import (
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/util"
"code.gitea.io/gitea/modules/web"
"code.gitea.io/routers/utils"
"github.com/google/uuid"
ap "github.com/go-ap/activitypub"
@ -206,7 +207,7 @@ func createUserFromAP(ctx *context.APIContext, personId forgefed.PersonId) (*use
if err != nil {
return &user_model.User{}, err
}
log.Info("RepositoryInbox: got body: %v", char_limiter(string(body), 120))
log.Info("RepositoryInbox: got body: %v", utils.CharLimiter(string(body), 120))
person := ap.Person{}
err = person.UnmarshalJSON(body)
@ -249,19 +250,3 @@ func createUserFromAP(ctx *context.APIContext, personId forgefed.PersonId) (*use
return user, nil
}
// Thanks to https://www.socketloop.com/tutorials/golang-characters-limiter-example
func char_limiter(s string, limit int) string {
reader := strings.NewReader(s)
buff := make([]byte, limit)
n, _ := io.ReadAtLeast(reader, buff, limit)
if n != 0 {
return fmt.Sprint(string(buff), "...")
} else {
return s
}
}

19
routers/utils/utils.go
View file

@ -4,7 +4,9 @@
package utils
import (
"fmt"
"html"
"io"
"net/url"
"strings"
@ -28,3 +30,20 @@ func IsExternalURL(rawURL string) bool {
}
return false
}
// Limit number of characters in a string (useful to prevent log injection attacks and overly long log outputs)
// Thanks to https://www.socketloop.com/tutorials/golang-characters-limiter-example
func CharLimiter(s string, limit int) string {
reader := strings.NewReader(s)
buff := make([]byte, limit)
n, _ := io.ReadAtLeast(reader, buff, limit)
if n != 0 {
return fmt.Sprint(string(buff), "...")
} else {
return s
}
}