feat: vendor gitea 1.16.2

This commit is contained in:
2026-06-02 08:36:01 +00:00
parent 247cd60f69
commit 54798b4615
2145 changed files with 162965 additions and 126447 deletions
+94 -44
View File
@@ -5,15 +5,15 @@ package auth
import (
"context"
"crypto/sha256"
"crypto/subtle"
"encoding/base32"
"encoding/base64"
"errors"
"fmt"
"net"
"net/url"
"slices"
"strings"
"time"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/modules/container"
@@ -23,10 +23,19 @@ import (
uuid "github.com/google/uuid"
"golang.org/x/crypto/bcrypt"
"golang.org/x/oauth2"
"xorm.io/builder"
"xorm.io/xorm"
)
// Authorization codes should expire within 10 minutes per https://datatracker.ietf.org/doc/html/rfc6749#section-4.1.2
const oauth2AuthorizationCodeValidity = 10 * time.Minute
var (
ErrOAuth2AuthorizationCodeInvalidated = errors.New("oauth2 authorization code already invalidated")
ErrOAuth2GrantStaleCounter = errors.New("oauth2 grant state changed during token refresh")
)
// OAuth2Application represents an OAuth2 client (RFC 6749)
type OAuth2Application struct {
ID int64 `xorm:"pk autoincr"`
@@ -145,30 +154,40 @@ func (app *OAuth2Application) ContainsRedirectURI(redirectURI string) bool {
// https://www.rfc-editor.org/rfc/rfc6819#section-5.2.3.3
// https://openid.net/specs/openid-connect-core-1_0.html#AuthRequest
// https://datatracker.ietf.org/doc/html/draft-ietf-oauth-security-topics-12#section-3.1
contains := func(s string) bool {
s = strings.TrimSuffix(strings.ToLower(s), "/")
for _, u := range app.RedirectURIs {
if strings.TrimSuffix(strings.ToLower(u), "/") == s {
redirectCandidates := []string{redirectURI}
if !app.ConfidentialClient {
loopbackRedirect, ok := normalizePublicClientRedirectURI(redirectURI)
if ok {
redirectCandidates = append(redirectCandidates, loopbackRedirect)
}
}
for _, candidate := range redirectCandidates {
normalizedCandidate := normalizeRedirectURIForComparison(candidate)
for _, registeredURI := range app.RedirectURIs {
if normalizeRedirectURIForComparison(registeredURI) == normalizedCandidate {
return true
}
}
return false
}
if !app.ConfidentialClient {
uri, err := url.Parse(redirectURI)
// ignore port for http loopback uris following https://datatracker.ietf.org/doc/html/rfc8252#section-7.3
if err == nil && uri.Scheme == "http" && uri.Port() != "" {
ip := net.ParseIP(uri.Hostname())
if ip != nil && ip.IsLoopback() {
// strip port
uri.Host = uri.Hostname()
if contains(uri.String()) {
return true
}
}
}
return false
}
func normalizeRedirectURIForComparison(redirectURI string) string {
return strings.TrimSuffix(util.ToLowerASCII(redirectURI), "/")
}
func normalizePublicClientRedirectURI(redirectURI string) (string, bool) {
parsedURI, err := url.Parse(redirectURI)
if err != nil || parsedURI.Scheme != "http" || parsedURI.Port() == "" {
return "", false
}
return contains(redirectURI)
if ip := net.ParseIP(parsedURI.Hostname()); ip == nil || !ip.IsLoopback() {
return "", false
}
parsedURI.Host = parsedURI.Hostname()
return parsedURI.String(), true
}
// Base32 characters, but lowercased.
@@ -209,7 +228,7 @@ func (app *OAuth2Application) GetGrantByUserID(ctx context.Context, userID int64
if has, err := db.GetEngine(ctx).Where("user_id = ? AND application_id = ?", userID, app.ID).Get(grant); err != nil {
return nil, err
} else if !has {
return nil, nil
return nil, nil //nolint:nilnil // return nil to indicate that the object does not exist
}
return grant, nil
}
@@ -386,6 +405,14 @@ func (code *OAuth2AuthorizationCode) TableName() string {
return "oauth2_authorization_code"
}
// IsExpired reports whether the authorization code is expired.
func (code *OAuth2AuthorizationCode) IsExpired() bool {
if code.ValidUntil.IsZero() {
return true
}
return code.ValidUntil <= timeutil.TimeStampNow()
}
// GenerateRedirectURI generates a redirect URI for a successful authorization request. State will be used if not empty.
func (code *OAuth2AuthorizationCode) GenerateRedirectURI(state string) (*url.URL, error) {
redirect, err := url.Parse(code.RedirectURI)
@@ -403,26 +430,44 @@ func (code *OAuth2AuthorizationCode) GenerateRedirectURI(state string) (*url.URL
// Invalidate deletes the auth code from the database to invalidate this code
func (code *OAuth2AuthorizationCode) Invalidate(ctx context.Context) error {
_, err := db.GetEngine(ctx).ID(code.ID).NoAutoCondition().Delete(code)
return err
affected, err := db.GetEngine(ctx).ID(code.ID).NoAutoCondition().Delete(code)
if err != nil {
return err
}
if affected == 0 {
return ErrOAuth2AuthorizationCodeInvalidated
}
return nil
}
func (code *OAuth2AuthorizationCode) requiresCodeVerifier() bool {
return code.CodeChallengeMethod != "" || code.CodeChallenge != ""
}
func deriveCodeChallenge(method, verifier string) (string, bool) {
switch method {
case "S256":
return oauth2.S256ChallengeFromVerifier(verifier), true
case "plain":
return verifier, true
default:
return "", false
}
}
// ValidateCodeChallenge validates the given verifier against the saved code challenge. This is part of the PKCE implementation.
func (code *OAuth2AuthorizationCode) ValidateCodeChallenge(verifier string) bool {
switch code.CodeChallengeMethod {
case "S256":
// base64url(SHA256(verifier)) see https://tools.ietf.org/html/rfc7636#section-4.6
h := sha256.Sum256([]byte(verifier))
hashedVerifier := base64.RawURLEncoding.EncodeToString(h[:])
return hashedVerifier == code.CodeChallenge
case "plain":
return verifier == code.CodeChallenge
case "":
if !code.requiresCodeVerifier() {
return true
default:
// unsupported method -> return false
}
if verifier == "" || code.CodeChallengeMethod == "" {
return false
}
expectedChallenge, ok := deriveCodeChallenge(code.CodeChallengeMethod, verifier)
if !ok {
return false
}
return subtle.ConstantTimeCompare([]byte(expectedChallenge), []byte(code.CodeChallenge)) == 1
}
// GetOAuth2AuthorizationByCode returns an authorization by its code
@@ -431,13 +476,13 @@ func GetOAuth2AuthorizationByCode(ctx context.Context, code string) (auth *OAuth
if has, err := db.GetEngine(ctx).Where("code = ?", code).Get(auth); err != nil {
return nil, err
} else if !has {
return nil, nil
return nil, nil //nolint:nilnil // return nil to indicate that the object does not exist
}
auth.Grant = new(OAuth2Grant)
if has, err := db.GetEngine(ctx).ID(auth.GrantID).Get(auth.Grant); err != nil {
return nil, err
} else if !has {
return nil, nil
return nil, nil //nolint:nilnil // return nil to indicate that the object does not exist
}
return auth, nil
}
@@ -472,6 +517,7 @@ func (grant *OAuth2Grant) GenerateNewAuthorizationCode(ctx context.Context, redi
// for code scanners to grab sensitive tokens.
codeSecret := "gta_" + base32Lower.EncodeToString(rBytes)
validUntil := time.Now().Add(oauth2AuthorizationCodeValidity)
code = &OAuth2AuthorizationCode{
Grant: grant,
GrantID: grant.ID,
@@ -479,6 +525,7 @@ func (grant *OAuth2Grant) GenerateNewAuthorizationCode(ctx context.Context, redi
Code: codeSecret,
CodeChallenge: codeChallenge,
CodeChallengeMethod: codeChallengeMethod,
ValidUntil: timeutil.TimeStamp(validUntil.Unix()),
}
if err := db.Insert(ctx, code); err != nil {
return nil, err
@@ -488,15 +535,18 @@ func (grant *OAuth2Grant) GenerateNewAuthorizationCode(ctx context.Context, redi
// IncreaseCounter increases the counter and updates the grant
func (grant *OAuth2Grant) IncreaseCounter(ctx context.Context) error {
_, err := db.GetEngine(ctx).ID(grant.ID).Incr("counter").Update(new(OAuth2Grant))
affected, err := db.GetEngine(ctx).
Where("id = ?", grant.ID).
And("counter = ?", grant.Counter).
Incr("counter").
Update(new(OAuth2Grant))
if err != nil {
return err
}
updatedGrant, err := GetOAuth2GrantByID(ctx, grant.ID)
if err != nil {
return err
if affected == 0 {
return ErrOAuth2GrantStaleCounter
}
grant.Counter = updatedGrant.Counter
grant.Counter++
return nil
}
@@ -521,7 +571,7 @@ func GetOAuth2GrantByID(ctx context.Context, id int64) (grant *OAuth2Grant, err
if has, err := db.GetEngine(ctx).ID(id).Get(grant); err != nil {
return nil, err
} else if !has {
return nil, nil
return nil, nil //nolint:nilnil // return nil to indicate that the object does not exist
}
return grant, err
}
@@ -611,7 +661,7 @@ func GetActiveOAuth2SourceByAuthName(ctx context.Context, name string) (*Source,
}
if !has {
return nil, fmt.Errorf("oauth2 source not found, name: %q", name)
return nil, util.NewNotExistErrorf("oauth2 source not found, name: %q", name)
}
return authSource, nil