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author6543 <6543@obermui.de>2021-06-10 16:44:25 +0200
committerGitHub <noreply@github.com>2021-06-10 16:44:25 +0200
commit86e2789960439ca786c6e7a74f85f076c223d148 (patch)
treec63064d4258bcf2bb7a2e5e60acc0a5d5c8216da /vendor/golang.org/x/oauth2/authhandler/authhandler.go
parentf088dc4ea14ae6304c2e06fca06ffa2f7bc273f3 (diff)
downloadgitea-86e2789960439ca786c6e7a74f85f076c223d148.tar.gz
gitea-86e2789960439ca786c6e7a74f85f076c223d148.zip
Vendor Update (#16121)
* update github.com/PuerkitoBio/goquery * update github.com/alecthomas/chroma * update github.com/blevesearch/bleve/v2 * update github.com/caddyserver/certmagic * update github.com/go-enry/go-enry/v2 * update github.com/go-git/go-billy/v5 * update github.com/go-git/go-git/v5 * update github.com/go-redis/redis/v8 * update github.com/go-testfixtures/testfixtures/v3 * update github.com/jaytaylor/html2text * update github.com/json-iterator/go * update github.com/klauspost/compress * update github.com/markbates/goth * update github.com/mattn/go-isatty * update github.com/mholt/archiver/v3 * update github.com/microcosm-cc/bluemonday * update github.com/minio/minio-go/v7 * update github.com/prometheus/client_golang * update github.com/unrolled/render * update github.com/xanzy/go-gitlab * update github.com/yuin/goldmark * update github.com/yuin/goldmark-highlighting Co-authored-by: techknowlogick <techknowlogick@gitea.io>
Diffstat (limited to 'vendor/golang.org/x/oauth2/authhandler/authhandler.go')
-rw-r--r--vendor/golang.org/x/oauth2/authhandler/authhandler.go56
1 files changed, 56 insertions, 0 deletions
diff --git a/vendor/golang.org/x/oauth2/authhandler/authhandler.go b/vendor/golang.org/x/oauth2/authhandler/authhandler.go
new file mode 100644
index 0000000000..69967cf87e
--- /dev/null
+++ b/vendor/golang.org/x/oauth2/authhandler/authhandler.go
@@ -0,0 +1,56 @@
+// Copyright 2021 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package authhandler implements a TokenSource to support
+// "three-legged OAuth 2.0" via a custom AuthorizationHandler.
+package authhandler
+
+import (
+ "context"
+ "errors"
+
+ "golang.org/x/oauth2"
+)
+
+// AuthorizationHandler is a 3-legged-OAuth helper that prompts
+// the user for OAuth consent at the specified auth code URL
+// and returns an auth code and state upon approval.
+type AuthorizationHandler func(authCodeURL string) (code string, state string, err error)
+
+// TokenSource returns an oauth2.TokenSource that fetches access tokens
+// using 3-legged-OAuth flow.
+//
+// The provided context.Context is used for oauth2 Exchange operation.
+//
+// The provided oauth2.Config should be a full configuration containing AuthURL,
+// TokenURL, and Scope.
+//
+// An environment-specific AuthorizationHandler is used to obtain user consent.
+//
+// Per the OAuth protocol, a unique "state" string should be specified here.
+// This token source will verify that the "state" is identical in the request
+// and response before exchanging the auth code for OAuth token to prevent CSRF
+// attacks.
+func TokenSource(ctx context.Context, config *oauth2.Config, state string, authHandler AuthorizationHandler) oauth2.TokenSource {
+ return oauth2.ReuseTokenSource(nil, authHandlerSource{config: config, ctx: ctx, authHandler: authHandler, state: state})
+}
+
+type authHandlerSource struct {
+ ctx context.Context
+ config *oauth2.Config
+ authHandler AuthorizationHandler
+ state string
+}
+
+func (source authHandlerSource) Token() (*oauth2.Token, error) {
+ url := source.config.AuthCodeURL(source.state)
+ code, state, err := source.authHandler(url)
+ if err != nil {
+ return nil, err
+ }
+ if state != source.state {
+ return nil, errors.New("state mismatch in 3-legged-OAuth flow")
+ }
+ return source.config.Exchange(source.ctx, code)
+}