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oreorecert.go
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/
oreorecert.go
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package oreorecert
import (
"crypto/tls"
"io/ioutil"
"github.com/adrg/xdg"
"github.com/levigross/grequests"
)
type KeyPair struct {
CertFile string
KeyFile string
Domain string
}
func (p KeyPair) Certificate() (*tls.Certificate, error) {
cert, err := tls.LoadX509KeyPair(p.CertFile, p.KeyFile)
if err == nil {
return &cert, nil
}
return p.update()
}
func (p KeyPair) update() (*tls.Certificate, error) {
err := download("https://oreore.net/crt.pem", p.CertFile)
if err != nil {
return nil, err
}
err = download("https://oreore.net/key.pem", p.KeyFile)
if err != nil {
return nil, err
}
cert, err := tls.LoadX509KeyPair(p.CertFile, p.KeyFile)
return &cert, err
}
func GetCertificateOreoreNet() (*tls.Certificate, error) {
return GetKeyPairOreoreNet().Certificate()
}
func GetKeyPairOreoreNet() KeyPair {
d := "oreore.net"
certFile, _ := xdg.CacheFile("oreorecert/certificates/_." + d + ".crt.pem")
keyFile, _ := xdg.CacheFile("oreorecert/certificates/_." + d + ".key.pem")
p := KeyPair{
Domain: d,
CertFile: certFile,
KeyFile: keyFile,
}
return p
}
func download(url string, file string) error {
res, err := grequests.Get(url, nil)
if err != nil {
return err
}
err = ioutil.WriteFile(file, res.Bytes(), 0644)
if err != nil {
return err
}
return nil
}