mirror of
https://github.com/matrix-org/dendrite.git
synced 2025-12-29 09:43:10 -06:00
70 lines
2.1 KiB
Go
70 lines
2.1 KiB
Go
package auth
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import (
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"context"
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"net/http"
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"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
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"github.com/matrix-org/dendrite/clientapi/jsonerror"
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"github.com/matrix-org/dendrite/clientapi/userutil"
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"github.com/matrix-org/dendrite/setup/config"
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"github.com/matrix-org/dendrite/userapi/api"
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"github.com/matrix-org/util"
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)
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type GetAccountByChallengeResponse func(ctx context.Context, localpart, b64encodedSignature, challenge string) (*api.Account, error)
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type ChallengeResponseRequest struct {
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Login
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Signature string `json:"signature"`
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Session string `json:"session"`
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}
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// LoginTypeChallengeResponse using public key encryption
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type LoginTypeChallengeResponse struct {
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GetAccountByChallengeResponse GetAccountByChallengeResponse
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Config *config.ClientAPI
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}
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func (t *LoginTypeChallengeResponse) Name() string {
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return authtypes.LoginTypeChallengeResponse
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}
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func (t *LoginTypeChallengeResponse) Request() interface{} {
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return &ChallengeResponseRequest{}
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}
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func (t *LoginTypeChallengeResponse) Login(ctx context.Context, req interface{}, challenge string) (*Login, *util.JSONResponse) {
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r := req.(*ChallengeResponseRequest)
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username := r.Username()
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if username == "" {
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return nil, &util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: jsonerror.BadJSON("A username must be supplied."),
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}
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}
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localpart, err := userutil.ParseUsernameParam(username, &t.Config.Matrix.ServerName)
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if err != nil {
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return nil, &util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: jsonerror.InvalidUsername(err.Error()),
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}
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}
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if r.Signature == "" {
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return nil, &util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: jsonerror.InvalidSignature("No signature provided"),
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}
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}
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_, err = t.GetAccountByChallengeResponse(ctx, localpart, r.Signature, challenge)
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if err != nil {
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// Technically we could tell them if the user does not exist by checking if err == sql.ErrNoRows
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// but that would leak the existence of the user.
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return nil, &util.JSONResponse{
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Code: http.StatusForbidden,
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JSON: jsonerror.Forbidden("The digital signature is incorrect or the account does not exist."),
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}
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}
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return &r.Login, nil
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}
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