Return `access_denied` error when an OAuth2 request is denied (#30974)

According to [RFC
6749](https://datatracker.ietf.org/doc/html/rfc6749#section-4.1.2.1),
when the resource owner or authorization server denied an request, an
`access_denied` error should be returned. But currently in this case
Gitea does not return any error.

For example, if the user clicks "Cancel" here, an `access_denied` error
should be returned.

<img width="360px"
src="https://github.com/go-gitea/gitea/assets/15528715/be31c09b-4c0a-4701-b7a4-f54b8fe3a6c5"
/>
This commit is contained in:
Zettat123 2024-05-20 15:17:00 +08:00 committed by GitHub
parent de9bcd1d23
commit f1d9f18d96
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3 changed files with 13 additions and 2 deletions

View File

@ -541,6 +541,16 @@ func GrantApplicationOAuth(ctx *context.Context) {
ctx.Error(http.StatusBadRequest) ctx.Error(http.StatusBadRequest)
return return
} }
if !form.Granted {
handleAuthorizeError(ctx, AuthorizeError{
State: form.State,
ErrorDescription: "the request is denied",
ErrorCode: ErrorCodeAccessDenied,
}, form.RedirectURI)
return
}
app, err := auth.GetOAuth2ApplicationByClientID(ctx, form.ClientID) app, err := auth.GetOAuth2ApplicationByClientID(ctx, form.ClientID)
if err != nil { if err != nil {
ctx.ServerError("GetOAuth2ApplicationByClientID", err) ctx.ServerError("GetOAuth2ApplicationByClientID", err)

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@ -161,6 +161,7 @@ func (f *AuthorizationForm) Validate(req *http.Request, errs binding.Errors) bin
// GrantApplicationForm form for authorizing oauth2 clients // GrantApplicationForm form for authorizing oauth2 clients
type GrantApplicationForm struct { type GrantApplicationForm struct {
ClientID string `binding:"Required"` ClientID string `binding:"Required"`
Granted bool
RedirectURI string RedirectURI string
State string State string
Scope string Scope string

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@ -23,8 +23,8 @@
<input type="hidden" name="scope" value="{{.Scope}}"> <input type="hidden" name="scope" value="{{.Scope}}">
<input type="hidden" name="nonce" value="{{.Nonce}}"> <input type="hidden" name="nonce" value="{{.Nonce}}">
<input type="hidden" name="redirect_uri" value="{{.RedirectURI}}"> <input type="hidden" name="redirect_uri" value="{{.RedirectURI}}">
<button type="submit" id="authorize-app" value="{{ctx.Locale.Tr "auth.authorize_application"}}" class="ui red inline button">{{ctx.Locale.Tr "auth.authorize_application"}}</button> <button type="submit" id="authorize-app" name="granted" value="true" class="ui red inline button">{{ctx.Locale.Tr "auth.authorize_application"}}</button>
<a href="{{.RedirectURI}}" class="ui basic primary inline button">Cancel</a> <button type="submit" name="granted" value="false" class="ui basic primary inline button">{{ctx.Locale.Tr "cancel"}}</button>
</form> </form>
</div> </div>
</div> </div>