func (bm message) bodyEncrypted(gm *gomail.Message, pgpTo string) {
pgpBuf := bufpool.Get()
defer bufpool.Put(pgpBuf)
msgBuf := bufpool.Get()
defer bufpool.Put(msgBuf)
bm.renderTemplate(msgBuf)
// the next line may crash if the PGP key gets removed ... some how. but the crash is fine
w, err := openpgp.Encrypt(pgpBuf, openpgp.EntityList{0: bm.mc.pgpEmailKeyEntities[pgpTo]}, nil, nil, nil)
if err != nil {
bm.mc.maillog.Errorf("PGP encrypt Error: %s", err)
return
}
_, err = w.Write(msgBuf.Bytes())
if err != nil {
bm.mc.maillog.Errorf("PGP encrypt Write Error: %s", err)
return
}
err = w.Close()
if err != nil {
bm.mc.maillog.Errorf("PGP encrypt Close Error: %s", err)
return
}
b64Buf := make([]byte, base64.StdEncoding.EncodedLen(pgpBuf.Len()))
base64.StdEncoding.Encode(b64Buf, pgpBuf.Bytes())
gm.SetBody("text/plain", "This should be an OpenPGP/MIME encrypted message (RFC 4880 and 3156)")
gm.Embed(
bm.mc.pgpAttachmentName,
gomail.SetCopyFunc(func(w io.Writer) error {
if _, err := w.Write(pgpStartText); err != nil {
return err
}
if _, err := w.Write(b64Buf); err != nil {
return err
}
if _, err := w.Write(pgpEndText); err != nil {
return err
}
return nil
}),
)
}
func (bm message) bodyUnencrypted(gm *gomail.Message) {
contentType := "text/plain"
if bm.mc.bodyIsHTML {
contentType = "text/html"
}
buf := bufpool.Get()
defer bufpool.Put(buf)
bm.renderTemplate(buf)
gm.SetBody(contentType, buf.String())
}
func (bm message) renderSubject(gm *gomail.Message) {
subjBuf := bufpool.Get()
defer bufpool.Put(subjBuf)
err := bm.mc.subjectTpl.Execute(subjBuf, struct {
Form url.Values
Request *http.Request
}{
Form: bm.r.PostForm,
Request: bm.r,
})
if err != nil {
bm.mc.maillog.Errorf("Render Subject Error: %s\nForm: %#v\nWritten: %s", err, bm.r.PostForm, subjBuf)
}
gm.SetHeader("Subject", subjBuf.String())
}
func (h *handler) writeJSON(je JSONError, w http.ResponseWriter) (int, error) {
buf := bufpool.Get()
defer bufpool.Put(buf)
w.Header().Set(headerContentType, headerApplicationJSONUTF8)
// https://github.com/mholt/caddy/issues/637#issuecomment-189599332
w.WriteHeader(je.Code)
if err := json.NewEncoder(buf).Encode(je); err != nil {
return http.StatusInternalServerError, err
}
if _, err := w.Write(buf.Bytes()); err != nil {
return http.StatusInternalServerError, err
}
return StatusEmpty, nil
}