81 lines
1.9 KiB
Go
81 lines
1.9 KiB
Go
package refresh
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"git.gammaspectra.live/git/go-away/lib/challenge"
|
|
"github.com/goccy/go-yaml"
|
|
"github.com/goccy/go-yaml/ast"
|
|
"html/template"
|
|
"net/http"
|
|
"time"
|
|
)
|
|
|
|
func init() {
|
|
challenge.Runtimes["refresh"] = FillRegistration
|
|
}
|
|
|
|
type Parameters struct {
|
|
Mode string `yaml:"refresh-via"`
|
|
}
|
|
|
|
var DefaultParameters = Parameters{
|
|
Mode: "header",
|
|
}
|
|
|
|
func FillRegistration(state challenge.StateInterface, reg *challenge.Registration, parameters ast.Node) error {
|
|
params := DefaultParameters
|
|
|
|
if parameters != nil {
|
|
ymlData, err := parameters.MarshalYAML()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = yaml.Unmarshal(ymlData, ¶ms)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
reg.Class = challenge.ClassBlocking
|
|
|
|
verifier, issuer := challenge.NewKeyVerifier()
|
|
reg.Verify = verifier
|
|
|
|
reg.IssueChallenge = func(w http.ResponseWriter, r *http.Request, key challenge.Key, expiry time.Time) challenge.VerifyResult {
|
|
uri, err := challenge.VerifyUrl(r, reg, issuer(key))
|
|
if err != nil {
|
|
return challenge.VerifyResultFail
|
|
}
|
|
|
|
if params.Mode == "javascript" {
|
|
data, err := json.Marshal(uri.String())
|
|
if err != nil {
|
|
return challenge.VerifyResultFail
|
|
}
|
|
state.ChallengePage(w, r, state.Settings().ChallengeResponseCode, reg, map[string]any{
|
|
"EndTags": []template.HTML{
|
|
template.HTML(fmt.Sprintf("<script type=\"text/javascript\">window.location = %s;</script>", string(data))),
|
|
},
|
|
})
|
|
} else if params.Mode == "meta" {
|
|
state.ChallengePage(w, r, state.Settings().ChallengeResponseCode, reg, map[string]any{
|
|
"MetaTags": []map[string]string{
|
|
{
|
|
"http-equiv": "refresh",
|
|
"content": "0; url=" + uri.String(),
|
|
},
|
|
},
|
|
})
|
|
} else {
|
|
// self redirect!
|
|
w.Header().Set("Refresh", "0; url="+uri.String())
|
|
|
|
state.ChallengePage(w, r, state.Settings().ChallengeResponseCode, reg, nil)
|
|
}
|
|
return challenge.VerifyResultNone
|
|
}
|
|
|
|
return nil
|
|
}
|