mautrix-whatsapp/vendor/maunium.net/go/mautrix-appservice/protocol.go

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2018-08-26 16:29:51 +02:00
package appservice
import (
"encoding/json"
"maunium.net/go/gomatrix"
"net/http"
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)
// EventList contains a list of events.
type EventList struct {
Events []*gomatrix.Event `json:"events"`
}
// EventListener is a function that receives events.
type EventListener func(event *gomatrix.Event)
// WriteBlankOK writes a blank OK message as a reply to a HTTP request.
func WriteBlankOK(w http.ResponseWriter) {
w.WriteHeader(http.StatusOK)
w.Write([]byte("{}"))
}
// Respond responds to a HTTP request with a JSON object.
func Respond(w http.ResponseWriter, data interface{}) error {
dataStr, err := json.Marshal(data)
if err != nil {
return err
}
_, err = w.Write([]byte(dataStr))
return err
}
// Error represents a Matrix protocol error.
type Error struct {
HTTPStatus int `json:"-"`
ErrorCode ErrorCode `json:"errcode"`
Message string `json:"message"`
}
func (err Error) Write(w http.ResponseWriter) {
w.WriteHeader(err.HTTPStatus)
Respond(w, &err)
}
// ErrorCode is the machine-readable code in an Error.
type ErrorCode string
// Native ErrorCodes
const (
ErrForbidden ErrorCode = "M_FORBIDDEN"
ErrUnknown ErrorCode = "M_UNKNOWN"
)
// Custom ErrorCodes
const (
ErrNoTransactionID ErrorCode = "NET.MAUNIUM.NO_TRANSACTION_ID"
ErrNoBody ErrorCode = "NET.MAUNIUM.NO_REQUEST_BODY"
ErrInvalidJSON ErrorCode = "NET.MAUNIUM.INVALID_JSON"
)