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353dcc5ad4
Backport #25701 by @CaiCandong we refactored `userIDFromToken` for the token parsing part into a new function `parseToken`. `parseToken` returns the string `token` from request, and a boolean `ok` representing whether the token exists or not. So we can distinguish between token non-existence and token inconsistency in the `verfity` function, thus solving the problem of no proper error message when the token is inconsistent. close #24439 related #22119 Co-authored-by: caicandong <50507092+CaiCandong@users.noreply.github.com> Co-authored-by: Jason Song <i@wolfogre.com>
112 lines
2.7 KiB
Go
112 lines
2.7 KiB
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package auth
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import (
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"context"
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"net/http"
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"reflect"
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"strings"
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user_model "code.gitea.io/gitea/models/user"
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)
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// Ensure the struct implements the interface.
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var (
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_ Method = &Group{}
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_ Initializable = &Group{}
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_ Freeable = &Group{}
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)
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// Group implements the Auth interface with serval Auth.
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type Group struct {
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methods []Method
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}
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// NewGroup creates a new auth group
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func NewGroup(methods ...Method) *Group {
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return &Group{
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methods: methods,
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}
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}
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// Add adds a new method to group
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func (b *Group) Add(method Method) {
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b.methods = append(b.methods, method)
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}
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// Name returns group's methods name
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func (b *Group) Name() string {
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names := make([]string, 0, len(b.methods))
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for _, m := range b.methods {
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if n, ok := m.(Named); ok {
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names = append(names, n.Name())
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} else {
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names = append(names, reflect.TypeOf(m).Elem().Name())
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}
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}
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return strings.Join(names, ",")
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}
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// Init does nothing as the Basic implementation does not need to allocate any resources
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func (b *Group) Init(ctx context.Context) error {
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for _, method := range b.methods {
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initializable, ok := method.(Initializable)
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if !ok {
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continue
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}
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if err := initializable.Init(ctx); err != nil {
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return err
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}
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}
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return nil
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}
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// Free does nothing as the Basic implementation does not have to release any resources
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func (b *Group) Free() error {
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for _, method := range b.methods {
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freeable, ok := method.(Freeable)
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if !ok {
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continue
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}
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if err := freeable.Free(); err != nil {
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return err
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}
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}
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return nil
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}
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// Verify extracts and validates
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func (b *Group) Verify(req *http.Request, w http.ResponseWriter, store DataStore, sess SessionStore) (*user_model.User, error) {
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// Try to sign in with each of the enabled plugins
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var retErr error
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for _, ssoMethod := range b.methods {
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user, err := ssoMethod.Verify(req, w, store, sess)
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if err != nil {
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if retErr == nil {
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retErr = err
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}
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// Try other methods if this one failed.
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// Some methods may share the same protocol to detect if they are matched.
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// For example, OAuth2 and conan.Auth both read token from "Authorization: Bearer <token>" header,
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// If OAuth2 returns error, we should give conan.Auth a chance to try.
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continue
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}
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// If any method returns a user, we can stop trying.
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// Return the user and ignore any error returned by previous methods.
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if user != nil {
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if store.GetData()["AuthedMethod"] == nil {
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if named, ok := ssoMethod.(Named); ok {
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store.GetData()["AuthedMethod"] = named.Name()
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}
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}
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return user, nil
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}
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}
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// If no method returns a user, return the error returned by the first method.
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return nil, retErr
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}
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