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a1222ebb5b
**Backport:** https://codeberg.org/forgejo/forgejo/pulls/12231 #12202 began a refactor of Forgejo's authentication implementations by providing structured data on an authentication success. However, error cases were maintained as-is in that refactor, leaving a complex situation: what does returning an error from an authentication method mean?; does it mean that the authentication failed, or that a server error occurred? Can another authentication still be tried? This PR changes authentication methods so that they can return one of four things: - `AuthenticationSuccess` with an authentication result. - `AuthenticationNotAttempted` which indicates that no credentials relevant for this authentication method were presented. If every method returned `AuthenticationNotAttempted`, then you would have an unauthenticated access. - `AuthenticationAttemptedIncorrectCredential` which indicates that credentials were present and failed validation -- a situation indicating a `401 Unauthorized`. - `AuthenticationError` which indicates that an internal server error occurred and failed authentication -- indicating a `500 Internal Server Error`. This paves the way for one more refactor coming next: `basic.go` and `oauth2.go` perform 3-4 different authentications each (access tokens, oauth JWTs, actions tokens, actions JWTs, and username/password). With the capability to return these more precise responses, these authentication methods can be split up into separate logic that isn't intertwined together. Co-authored-by: Mathieu Fenniak <mathieu@fenniak.net> Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/12468 Reviewed-by: Gusted <gusted@noreply.codeberg.org>
56 lines
1.6 KiB
Go
56 lines
1.6 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package nuget
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import (
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"fmt"
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"net/http"
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auth_model "forgejo.org/models/auth"
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user_model "forgejo.org/models/user"
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"forgejo.org/modules/log"
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"forgejo.org/services/auth"
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)
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var (
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_ auth.Method = &Auth{}
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_ auth.AuthenticationResult = &nugetAuthenticationResult{}
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)
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type nugetAuthenticationResult struct {
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*auth.BaseAuthenticationResult
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user *user_model.User
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}
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func (r *nugetAuthenticationResult) User() *user_model.User {
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return r.user
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}
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type Auth struct{}
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// https://docs.microsoft.com/en-us/nuget/api/package-publish-resource#request-parameters
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func (a *Auth) Verify(req *http.Request, w http.ResponseWriter, sess auth.SessionStore) auth.MethodOutput {
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apiKey := req.Header.Get("X-NuGet-ApiKey")
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if apiKey == "" {
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return &auth.AuthenticationNotAttempted{}
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}
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token, err := auth_model.GetAccessTokenBySHA(req.Context(), apiKey)
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if err != nil {
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if !auth_model.IsErrAccessTokenNotExist(err) && !auth_model.IsErrAccessTokenEmpty(err) {
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return &auth.AuthenticationError{Error: fmt.Errorf("nuget auth GetAccessTokenBySHA: %w", err)}
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}
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return &auth.AuthenticationAttemptedIncorrectCredential{Error: err}
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}
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u, err := user_model.GetUserByID(req.Context(), token.UID)
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if err != nil {
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return &auth.AuthenticationError{Error: fmt.Errorf("nuget auth GetUserByID: %w", err)}
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}
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if err := token.UpdateLastUsed(req.Context()); err != nil {
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log.Error("UpdateLastUsed: %v", err)
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}
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return &auth.AuthenticationSuccess{Result: &nugetAuthenticationResult{user: u}}
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}
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