certificates/api/utils.go

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2018-10-05 21:48:36 +00:00
package api
import (
"encoding/json"
"io"
"log"
"net/http"
"github.com/pkg/errors"
"github.com/smallstep/certificates/logging"
2018-10-05 21:48:36 +00:00
)
// LogError adds to the response writer the given error if it implements
// logging.ResponseLogger. If it does not implement it, then writes the error
// using the log package.
func LogError(rw http.ResponseWriter, err error) {
if rl, ok := rw.(logging.ResponseLogger); ok {
rl.WithFields(map[string]interface{}{
"error": err,
})
} else {
log.Println(err)
}
}
// JSON writes the passed value into the http.ResponseWriter.
func JSON(w http.ResponseWriter, v interface{}) {
w.Header().Set("Content-Type", "application/json")
if err := json.NewEncoder(w).Encode(v); err != nil {
LogError(w, err)
}
}
// ReadJSON reads JSON from the request body and stores it in the value
// pointed by v.
func ReadJSON(r io.Reader, v interface{}) error {
if err := json.NewDecoder(r).Decode(v); err != nil {
return BadRequest(errors.Wrap(err, "error decoding json"))
}
return nil
}