/
handlers.go
83 lines (72 loc) · 2.37 KB
/
handlers.go
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/*
Copyright © 2020 Yale University
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package api
import (
"encoding/json"
"fmt"
"net/http"
"github.com/YaleSpinup/apierror"
"github.com/pkg/errors"
log "github.com/sirupsen/logrus"
)
// PingHandler responds to ping requests
func (s *server) PingHandler(w http.ResponseWriter, r *http.Request) {
w = LogWriter{w}
log.Debug("Ping/Pong")
w.Header().Set("Access-Control-Allow-Origin", "*")
w.WriteHeader(http.StatusOK)
w.Write([]byte("pong"))
}
// VersionHandler responds to version requests
func (s *server) VersionHandler(w http.ResponseWriter, r *http.Request) {
w = LogWriter{w}
w.Header().Set("Access-Control-Allow-Origin", "*")
w.Header().Set("Content-Type", "application/json")
data, err := json.Marshal(apiVersion{
Version: fmt.Sprintf("%s%s", s.version.Version, s.version.VersionPrerelease),
GitHash: s.version.GitHash,
BuildStamp: s.version.BuildStamp,
})
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
w.Write([]byte{})
return
}
w.WriteHeader(http.StatusOK)
w.Write(data)
}
// handleError handles standard apierror return codes
func handleError(w http.ResponseWriter, err error) {
log.Error(err.Error())
if aerr, ok := errors.Cause(err).(apierror.Error); ok {
switch aerr.Code {
case apierror.ErrForbidden:
w.WriteHeader(http.StatusForbidden)
case apierror.ErrNotFound:
w.WriteHeader(http.StatusNotFound)
case apierror.ErrConflict:
w.WriteHeader(http.StatusConflict)
case apierror.ErrBadRequest:
w.WriteHeader(http.StatusBadRequest)
case apierror.ErrLimitExceeded:
w.WriteHeader(http.StatusTooManyRequests)
default:
w.WriteHeader(http.StatusInternalServerError)
}
w.Write([]byte(aerr.Message))
} else {
w.WriteHeader(http.StatusInternalServerError)
w.Write([]byte(err.Error()))
}
}