Integrate OAuth2 Provider (#5378)

release/v1.15
Jonas Franz 2019-03-08 17:42:50 +01:00 committed by techknowlogick
parent 9d3732dfd5
commit e777c6bdc6
37 changed files with 2667 additions and 11 deletions

5
Gopkg.lock generated
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@ -962,11 +962,13 @@
revision = "2c050d2dae5345c417db301f11fda6fbf5ad0f0a" revision = "2c050d2dae5345c417db301f11fda6fbf5ad0f0a"
[[projects]] [[projects]]
digest = "1:c3d6b9e2cf3936ba9927da2e8858651aad69890b9dd3349f1316b4003b25d7a3" digest = "1:590035a7bbea1c037c2e6d51f81ee09857480c3c21f1f77397d9802f10507c06"
name = "golang.org/x/crypto" name = "golang.org/x/crypto"
packages = [ packages = [
"acme", "acme",
"acme/autocert", "acme/autocert",
"bcrypt",
"blowfish",
"cast5", "cast5",
"curve25519", "curve25519",
"ed25519", "ed25519",
@ -1315,6 +1317,7 @@
"github.com/urfave/cli", "github.com/urfave/cli",
"github.com/yohcop/openid-go", "github.com/yohcop/openid-go",
"golang.org/x/crypto/acme/autocert", "golang.org/x/crypto/acme/autocert",
"golang.org/x/crypto/bcrypt",
"golang.org/x/crypto/pbkdf2", "golang.org/x/crypto/pbkdf2",
"golang.org/x/crypto/ssh", "golang.org/x/crypto/ssh",
"golang.org/x/net/html", "golang.org/x/net/html",

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@ -63,7 +63,7 @@ func runGenerateInternalToken(c *cli.Context) error {
} }
func runGenerateLfsJwtSecret(c *cli.Context) error { func runGenerateLfsJwtSecret(c *cli.Context) error {
JWTSecretBase64, err := generate.NewLfsJwtSecret() JWTSecretBase64, err := generate.NewJwtSecret()
if err != nil { if err != nil {
return err return err
} }

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@ -654,6 +654,16 @@ DEFAULT_PAGING_NUM = 30
; Default and maximum number of items per page for git trees api ; Default and maximum number of items per page for git trees api
DEFAULT_GIT_TREES_PER_PAGE = 1000 DEFAULT_GIT_TREES_PER_PAGE = 1000
[oauth2]
; Enables OAuth2 provider
ENABLED = true
; Lifetime of an OAuth2 access token in seconds
ACCESS_TOKEN_EXPIRATION_TIME=3600
; Lifetime of an OAuth2 access token in hours
REFRESH_TOKEN_EXPIRATION_TIME=730
; OAuth2 authentication secret for access and refresh tokens, change this a unique string.
JWT_SECRET=Bk0yK7Y9g_p56v86KaHqjSbxvNvu3SbKoOdOt2ZcXvU
[i18n] [i18n]
LANGS = en-US,zh-CN,zh-HK,zh-TW,de-DE,fr-FR,nl-NL,lv-LV,ru-RU,uk-UA,ja-JP,es-ES,pt-BR,pl-PL,bg-BG,it-IT,fi-FI,tr-TR,cs-CZ,sr-SP,sv-SE,ko-KR LANGS = en-US,zh-CN,zh-HK,zh-TW,de-DE,fr-FR,nl-NL,lv-LV,ru-RU,uk-UA,ja-JP,es-ES,pt-BR,pl-PL,bg-BG,it-IT,fi-FI,tr-TR,cs-CZ,sr-SP,sv-SE,ko-KR
NAMES = English,简体中文,繁體中文(香港),繁體中文(台灣),Deutsch,français,Nederlands,latviešu,русский,Українська,日本語,español,português do Brasil,polski,български,italiano,suomi,Türkçe,čeština,српски,svenska,한국어 NAMES = English,简体中文,繁體中文(香港),繁體中文(台灣),Deutsch,français,Nederlands,latviešu,русский,Українська,日本語,español,português do Brasil,polski,български,italiano,suomi,Türkçe,čeština,српски,svenska,한국어

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@ -345,6 +345,13 @@ Values containing `#` or `;` must be quoted using `` ` `` or `"""`.
- `DEFAULT_PAGING_NUM`: **30**: Default paging number of api. - `DEFAULT_PAGING_NUM`: **30**: Default paging number of api.
- `DEFAULT_GIT_TREES_PER_PAGE`: **1000**: Default and maximum number of items per page for git trees api. - `DEFAULT_GIT_TREES_PER_PAGE`: **1000**: Default and maximum number of items per page for git trees api.
## OAuth2 (`oauth2`)
- `ENABLED`: **true**: Enables OAuth2 provider.
- `ACCESS_TOKEN_EXPIRATION_TIME`: **3600**: Lifetime of an OAuth2 access token in seconds
- `REFRESH_TOKEN_EXPIRATION_TIME`: **730**: Lifetime of an OAuth2 access token in hours
- `JWT_SECRET`: **\<empty\>**: OAuth2 authentication secret for access and refresh tokens, change this a unique string.
## i18n (`i18n`) ## i18n (`i18n`)
- `LANGS`: **en-US,zh-CN,zh-HK,zh-TW,de-DE,fr-FR,nl-NL,lv-LV,ru-RU,ja-JP,es-ES,pt-BR,pl-PL,bg-BG,it-IT,fi-FI,tr-TR,cs-CZ,sr-SP,sv-SE,ko-KR**: List of locales shown in language selector - `LANGS`: **en-US,zh-CN,zh-HK,zh-TW,de-DE,fr-FR,nl-NL,lv-LV,ru-RU,ja-JP,es-ES,pt-BR,pl-PL,bg-BG,it-IT,fi-FI,tr-TR,cs-CZ,sr-SP,sv-SE,ko-KR**: List of locales shown in language selector

138
integrations/oauth_test.go Normal file
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@ -0,0 +1,138 @@
// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package integrations
import (
"encoding/json"
"testing"
"github.com/stretchr/testify/assert"
)
const defaultAuthorize = "/login/oauth/authorize?client_id=da7da3ba-9a13-4167-856f-3899de0b0138&redirect_uri=a&response_type=code&state=thestate"
func TestNoClientID(t *testing.T) {
prepareTestEnv(t)
req := NewRequest(t, "GET", "/login/oauth/authorize")
ctx := loginUser(t, "user2")
ctx.MakeRequest(t, req, 400)
}
func TestLoginRedirect(t *testing.T) {
prepareTestEnv(t)
req := NewRequest(t, "GET", "/login/oauth/authorize")
assert.Contains(t, MakeRequest(t, req, 302).Body.String(), "/user/login")
}
func TestShowAuthorize(t *testing.T) {
prepareTestEnv(t)
req := NewRequest(t, "GET", defaultAuthorize)
ctx := loginUser(t, "user4")
resp := ctx.MakeRequest(t, req, 200)
htmlDoc := NewHTMLParser(t, resp.Body)
htmlDoc.AssertElement(t, "#authorize-app", true)
htmlDoc.GetCSRF()
}
func TestRedirectWithExistingGrant(t *testing.T) {
prepareTestEnv(t)
req := NewRequest(t, "GET", defaultAuthorize)
ctx := loginUser(t, "user1")
resp := ctx.MakeRequest(t, req, 302)
u, err := resp.Result().Location()
assert.NoError(t, err)
assert.Equal(t, "thestate", u.Query().Get("state"))
assert.Truef(t, len(u.Query().Get("code")) > 30, "authorization code '%s' should be longer then 30", u.Query().Get("code"))
}
func TestAccessTokenExchange(t *testing.T) {
prepareTestEnv(t)
req := NewRequestWithValues(t, "POST", "/login/oauth/access_token", map[string]string{
"grant_type": "authorization_code",
"client_id": "da7da3ba-9a13-4167-856f-3899de0b0138",
"client_secret": "4MK8Na6R55smdCY0WuCCumZ6hjRPnGY5saWVRHHjJiA=",
"redirect_uri": "a",
"code": "authcode",
"code_verifier": "N1Zo9-8Rfwhkt68r1r29ty8YwIraXR8eh_1Qwxg7yQXsonBt", // test PKCE additionally
})
resp := MakeRequest(t, req, 200)
type response struct {
AccessToken string `json:"access_token"`
TokenType string `json:"token_type"`
ExpiresIn int64 `json:"expires_in"`
RefreshToken string `json:"refresh_token"`
}
parsed := new(response)
assert.NoError(t, json.Unmarshal(resp.Body.Bytes(), parsed))
assert.True(t, len(parsed.AccessToken) > 10)
assert.True(t, len(parsed.RefreshToken) > 10)
}
func TestAccessTokenExchangeWithoutPKCE(t *testing.T) {
prepareTestEnv(t)
req := NewRequestWithValues(t, "POST", "/login/oauth/access_token", map[string]string{
"grant_type": "authorization_code",
"client_id": "da7da3ba-9a13-4167-856f-3899de0b0138",
"client_secret": "4MK8Na6R55smdCY0WuCCumZ6hjRPnGY5saWVRHHjJiA=",
"redirect_uri": "a",
"code": "authcode",
})
MakeRequest(t, req, 400)
}
func TestAccessTokenExchangeWithInvalidCredentials(t *testing.T) {
prepareTestEnv(t)
// invalid client id
req := NewRequestWithValues(t, "POST", "/login/oauth/access_token", map[string]string{
"grant_type": "authorization_code",
"client_id": "???",
"client_secret": "4MK8Na6R55smdCY0WuCCumZ6hjRPnGY5saWVRHHjJiA=",
"redirect_uri": "a",
"code": "authcode",
"code_verifier": "N1Zo9-8Rfwhkt68r1r29ty8YwIraXR8eh_1Qwxg7yQXsonBt", // test PKCE additionally
})
MakeRequest(t, req, 400)
// invalid client secret
req = NewRequestWithValues(t, "POST", "/login/oauth/access_token", map[string]string{
"grant_type": "authorization_code",
"client_id": "da7da3ba-9a13-4167-856f-3899de0b0138",
"client_secret": "???",
"redirect_uri": "a",
"code": "authcode",
"code_verifier": "N1Zo9-8Rfwhkt68r1r29ty8YwIraXR8eh_1Qwxg7yQXsonBt", // test PKCE additionally
})
MakeRequest(t, req, 400)
// invalid redirect uri
req = NewRequestWithValues(t, "POST", "/login/oauth/access_token", map[string]string{
"grant_type": "authorization_code",
"client_id": "da7da3ba-9a13-4167-856f-3899de0b0138",
"client_secret": "4MK8Na6R55smdCY0WuCCumZ6hjRPnGY5saWVRHHjJiA=",
"redirect_uri": "???",
"code": "authcode",
"code_verifier": "N1Zo9-8Rfwhkt68r1r29ty8YwIraXR8eh_1Qwxg7yQXsonBt", // test PKCE additionally
})
MakeRequest(t, req, 400)
// invalid authorization code
req = NewRequestWithValues(t, "POST", "/login/oauth/access_token", map[string]string{
"grant_type": "authorization_code",
"client_id": "da7da3ba-9a13-4167-856f-3899de0b0138",
"client_secret": "4MK8Na6R55smdCY0WuCCumZ6hjRPnGY5saWVRHHjJiA=",
"redirect_uri": "a",
"code": "???",
"code_verifier": "N1Zo9-8Rfwhkt68r1r29ty8YwIraXR8eh_1Qwxg7yQXsonBt", // test PKCE additionally
})
MakeRequest(t, req, 400)
// invalid grant_type
req = NewRequestWithValues(t, "POST", "/login/oauth/access_token", map[string]string{
"grant_type": "???",
"client_id": "da7da3ba-9a13-4167-856f-3899de0b0138",
"client_secret": "4MK8Na6R55smdCY0WuCCumZ6hjRPnGY5saWVRHHjJiA=",
"redirect_uri": "a",
"code": "authcode",
"code_verifier": "N1Zo9-8Rfwhkt68r1r29ty8YwIraXR8eh_1Qwxg7yQXsonBt", // test PKCE additionally
})
MakeRequest(t, req, 400)
}

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@ -1398,3 +1398,42 @@ func IsErrReviewNotExist(err error) bool {
func (err ErrReviewNotExist) Error() string { func (err ErrReviewNotExist) Error() string {
return fmt.Sprintf("review does not exist [id: %d]", err.ID) return fmt.Sprintf("review does not exist [id: %d]", err.ID)
} }
// ________ _____ __ .__
// \_____ \ / _ \ __ ___/ |_| |__
// / | \ / /_\ \| | \ __\ | \
// / | \/ | \ | /| | | Y \
// \_______ /\____|__ /____/ |__| |___| /
// \/ \/ \/
// ErrOAuthClientIDInvalid will be thrown if client id cannot be found
type ErrOAuthClientIDInvalid struct {
ClientID string
}
// IsErrOauthClientIDInvalid checks if an error is a ErrReviewNotExist.
func IsErrOauthClientIDInvalid(err error) bool {
_, ok := err.(ErrOAuthClientIDInvalid)
return ok
}
// Error returns the error message
func (err ErrOAuthClientIDInvalid) Error() string {
return fmt.Sprintf("Client ID invalid [Client ID: %s]", err.ClientID)
}
// ErrOAuthApplicationNotFound will be thrown if id cannot be found
type ErrOAuthApplicationNotFound struct {
ID int64
}
// IsErrOAuthApplicationNotFound checks if an error is a ErrReviewNotExist.
func IsErrOAuthApplicationNotFound(err error) bool {
_, ok := err.(ErrOAuthApplicationNotFound)
return ok
}
// Error returns the error message
func (err ErrOAuthApplicationNotFound) Error() string {
return fmt.Sprintf("OAuth application not found [ID: %d]", err.ID)
}

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@ -0,0 +1,9 @@
-
id: 1
uid: 1
name: "Test"
client_id: "da7da3ba-9a13-4167-856f-3899de0b0138"
client_secret: "$2a$10$UYRgUSgekzBp6hYe8pAdc.cgB4Gn06QRKsORUnIYTYQADs.YR/uvi" # bcrypt of "4MK8Na6R55smdCY0WuCCumZ6hjRPnGY5saWVRHHjJiA=
redirect_uris: '["a"]'
created_unix: 1546869730
updated_unix: 1546869730

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@ -0,0 +1,8 @@
- id: 1
grant_id: 1
code: "authcode"
code_challenge: "CjvyTLSdR47G5zYenDA-eDWW4lRrO8yvjcWwbD_deOg" # Code Verifier: N1Zo9-8Rfwhkt68r1r29ty8YwIraXR8eh_1Qwxg7yQXsonBt
code_challenge_method: "S256"
redirect_uri: "a"
valid_until: 3546869730

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@ -0,0 +1,6 @@
- id: 1
user_id: 1
application_id: 1
counter: 1
created_unix: 1546869730
updated_unix: 1546869730

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@ -125,6 +125,9 @@ func init() {
new(U2FRegistration), new(U2FRegistration),
new(TeamUnit), new(TeamUnit),
new(Review), new(Review),
new(OAuth2Application),
new(OAuth2AuthorizationCode),
new(OAuth2Grant),
) )
gonicNames := []string{"SSL", "UID"} gonicNames := []string{"SSL", "UID"}

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@ -0,0 +1,457 @@
// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package models
import (
"crypto/sha256"
"encoding/base64"
"fmt"
"net/url"
"time"
"github.com/go-xorm/xorm"
uuid "github.com/satori/go.uuid"
"code.gitea.io/gitea/modules/secret"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/util"
"github.com/Unknwon/com"
"github.com/dgrijalva/jwt-go"
"golang.org/x/crypto/bcrypt"
)
// OAuth2Application represents an OAuth2 client (RFC 6749)
type OAuth2Application struct {
ID int64 `xorm:"pk autoincr"`
UID int64 `xorm:"INDEX"`
User *User `xorm:"-"`
Name string
ClientID string `xorm:"unique"`
ClientSecret string
RedirectURIs []string `xorm:"redirect_uris JSON TEXT"`
CreatedUnix util.TimeStamp `xorm:"INDEX created"`
UpdatedUnix util.TimeStamp `xorm:"INDEX updated"`
}
// TableName sets the table name to `oauth2_application`
func (app *OAuth2Application) TableName() string {
return "oauth2_application"
}
// PrimaryRedirectURI returns the first redirect uri or an empty string if empty
func (app *OAuth2Application) PrimaryRedirectURI() string {
if len(app.RedirectURIs) == 0 {
return ""
}
return app.RedirectURIs[0]
}
// LoadUser will load User by UID
func (app *OAuth2Application) LoadUser() (err error) {
if app.User == nil {
app.User, err = GetUserByID(app.UID)
}
return
}
// ContainsRedirectURI checks if redirectURI is allowed for app
func (app *OAuth2Application) ContainsRedirectURI(redirectURI string) bool {
return com.IsSliceContainsStr(app.RedirectURIs, redirectURI)
}
// GenerateClientSecret will generate the client secret and returns the plaintext and saves the hash at the database
func (app *OAuth2Application) GenerateClientSecret() (string, error) {
clientSecret, err := secret.New()
if err != nil {
return "", err
}
hashedSecret, err := bcrypt.GenerateFromPassword([]byte(clientSecret), bcrypt.DefaultCost)
if err != nil {
return "", err
}
app.ClientSecret = string(hashedSecret)
if _, err := x.ID(app.ID).Cols("client_secret").Update(app); err != nil {
return "", err
}
return clientSecret, nil
}
// ValidateClientSecret validates the given secret by the hash saved in database
func (app *OAuth2Application) ValidateClientSecret(secret []byte) bool {
return bcrypt.CompareHashAndPassword([]byte(app.ClientSecret), secret) == nil
}
// GetGrantByUserID returns a OAuth2Grant by its user and application ID
func (app *OAuth2Application) GetGrantByUserID(userID int64) (*OAuth2Grant, error) {
return app.getGrantByUserID(x, userID)
}
func (app *OAuth2Application) getGrantByUserID(e Engine, userID int64) (grant *OAuth2Grant, err error) {
grant = new(OAuth2Grant)
if has, err := e.Where("user_id = ? AND application_id = ?", userID, app.ID).Get(grant); err != nil {
return nil, err
} else if !has {
return nil, nil
}
return grant, nil
}
// CreateGrant generates a grant for an user
func (app *OAuth2Application) CreateGrant(userID int64) (*OAuth2Grant, error) {
return app.createGrant(x, userID)
}
func (app *OAuth2Application) createGrant(e Engine, userID int64) (*OAuth2Grant, error) {
grant := &OAuth2Grant{
ApplicationID: app.ID,
UserID: userID,
}
_, err := e.Insert(grant)
if err != nil {
return nil, err
}
return grant, nil
}
// GetOAuth2ApplicationByClientID returns the oauth2 application with the given client_id. Returns an error if not found.
func GetOAuth2ApplicationByClientID(clientID string) (app *OAuth2Application, err error) {
return getOAuth2ApplicationByClientID(x, clientID)
}
func getOAuth2ApplicationByClientID(e Engine, clientID string) (app *OAuth2Application, err error) {
app = new(OAuth2Application)
has, err := e.Where("client_id = ?", clientID).Get(app)
if !has {
return nil, ErrOAuthClientIDInvalid{ClientID: clientID}
}
return
}
// GetOAuth2ApplicationByID returns the oauth2 application with the given id. Returns an error if not found.
func GetOAuth2ApplicationByID(id int64) (app *OAuth2Application, err error) {
return getOAuth2ApplicationByID(x, id)
}
func getOAuth2ApplicationByID(e Engine, id int64) (app *OAuth2Application, err error) {
app = new(OAuth2Application)
has, err := e.ID(id).Get(app)
if !has {
return nil, ErrOAuthApplicationNotFound{ID: id}
}
return app, nil
}
// GetOAuth2ApplicationsByUserID returns all oauth2 applications owned by the user
func GetOAuth2ApplicationsByUserID(userID int64) (apps []*OAuth2Application, err error) {
return getOAuth2ApplicationsByUserID(x, userID)
}
func getOAuth2ApplicationsByUserID(e Engine, userID int64) (apps []*OAuth2Application, err error) {
apps = make([]*OAuth2Application, 0)
err = e.Where("uid = ?", userID).Find(&apps)
return
}
// CreateOAuth2ApplicationOptions holds options to create an oauth2 application
type CreateOAuth2ApplicationOptions struct {
Name string
UserID int64
RedirectURIs []string
}
// CreateOAuth2Application inserts a new oauth2 application
func CreateOAuth2Application(opts CreateOAuth2ApplicationOptions) (*OAuth2Application, error) {
return createOAuth2Application(x, opts)
}
func createOAuth2Application(e Engine, opts CreateOAuth2ApplicationOptions) (*OAuth2Application, error) {
clientID := uuid.NewV4().String()
app := &OAuth2Application{
UID: opts.UserID,
Name: opts.Name,
ClientID: clientID,
RedirectURIs: opts.RedirectURIs,
}
if _, err := e.Insert(app); err != nil {
return nil, err
}
return app, nil
}
// UpdateOAuth2ApplicationOptions holds options to update an oauth2 application
type UpdateOAuth2ApplicationOptions struct {
ID int64
Name string
UserID int64
RedirectURIs []string
}
// UpdateOAuth2Application updates an oauth2 application
func UpdateOAuth2Application(opts UpdateOAuth2ApplicationOptions) error {
return updateOAuth2Application(x, opts)
}
func updateOAuth2Application(e Engine, opts UpdateOAuth2ApplicationOptions) error {
app := &OAuth2Application{
ID: opts.ID,
UID: opts.UserID,
Name: opts.Name,
RedirectURIs: opts.RedirectURIs,
}
if _, err := e.ID(opts.ID).Update(app); err != nil {
return err
}
return nil
}
func deleteOAuth2Application(sess *xorm.Session, id, userid int64) error {
if deleted, err := sess.Delete(&OAuth2Application{ID: id, UID: userid}); err != nil {
return err
} else if deleted == 0 {
return fmt.Errorf("cannot find oauth2 application")
}
codes := make([]*OAuth2AuthorizationCode, 0)
// delete correlating auth codes
if err := sess.Join("INNER", "oauth2_grant",
"oauth2_authorization_code.grant_id = oauth2_grant.id AND oauth2_grant.application_id = ?", id).Find(&codes); err != nil {
return err
}
codeIDs := make([]int64, 0)
for _, grant := range codes {
codeIDs = append(codeIDs, grant.ID)
}
if _, err := sess.In("id", codeIDs).Delete(new(OAuth2AuthorizationCode)); err != nil {
return err
}
if _, err := sess.Where("application_id = ?", id).Delete(new(OAuth2Grant)); err != nil {
return err
}
return nil
}
// DeleteOAuth2Application deletes the application with the given id and the grants and auth codes related to it. It checks if the userid was the creator of the app.
func DeleteOAuth2Application(id, userid int64) error {
sess := x.NewSession()
if err := sess.Begin(); err != nil {
return err
}
if err := deleteOAuth2Application(sess, id, userid); err != nil {
return err
}
return sess.Commit()
}
//////////////////////////////////////////////////////
// OAuth2AuthorizationCode is a code to obtain an access token in combination with the client secret once. It has a limited lifetime.
type OAuth2AuthorizationCode struct {
ID int64 `xorm:"pk autoincr"`
Grant *OAuth2Grant `xorm:"-"`
GrantID int64
Code string `xorm:"INDEX unique"`
CodeChallenge string
CodeChallengeMethod string
RedirectURI string
ValidUntil util.TimeStamp `xorm:"index"`
}
// TableName sets the table name to `oauth2_authorization_code`
func (code *OAuth2AuthorizationCode) TableName() string {
return "oauth2_authorization_code"
}
// GenerateRedirectURI generates a redirect URI for a successful authorization request. State will be used if not empty.
func (code *OAuth2AuthorizationCode) GenerateRedirectURI(state string) (redirect *url.URL, err error) {
if redirect, err = url.Parse(code.RedirectURI); err != nil {
return
}
q := redirect.Query()
if state != "" {
q.Set("state", state)
}
q.Set("code", code.Code)
redirect.RawQuery = q.Encode()
return
}
// Invalidate deletes the auth code from the database to invalidate this code
func (code *OAuth2AuthorizationCode) Invalidate() error {
return code.invalidate(x)
}
func (code *OAuth2AuthorizationCode) invalidate(e Engine) error {
_, err := e.Delete(code)
return err
}
// ValidateCodeChallenge validates the given verifier against the saved code challenge. This is part of the PKCE implementation.
func (code *OAuth2AuthorizationCode) ValidateCodeChallenge(verifier string) bool {
return code.validateCodeChallenge(x, verifier)
}
func (code *OAuth2AuthorizationCode) validateCodeChallenge(e Engine, 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 "":
return true
default:
// unsupported method -> return false
return false
}
}
// GetOAuth2AuthorizationByCode returns an authorization by its code
func GetOAuth2AuthorizationByCode(code string) (*OAuth2AuthorizationCode, error) {
return getOAuth2AuthorizationByCode(x, code)
}
func getOAuth2AuthorizationByCode(e Engine, code string) (auth *OAuth2AuthorizationCode, err error) {
auth = new(OAuth2AuthorizationCode)
if has, err := e.Where("code = ?", code).Get(auth); err != nil {
return nil, err
} else if !has {
return nil, nil
}
auth.Grant = new(OAuth2Grant)
if has, err := e.ID(auth.GrantID).Get(auth.Grant); err != nil {
return nil, err
} else if !has {
return nil, nil
}
return auth, nil
}
//////////////////////////////////////////////////////
// OAuth2Grant represents the permission of an user for a specifc application to access resources
type OAuth2Grant struct {
ID int64 `xorm:"pk autoincr"`
UserID int64 `xorm:"INDEX unique(user_application)"`
ApplicationID int64 `xorm:"INDEX unique(user_application)"`
Counter int64 `xorm:"NOT NULL DEFAULT 1"`
CreatedUnix util.TimeStamp `xorm:"created"`
UpdatedUnix util.TimeStamp `xorm:"updated"`
}
// TableName sets the table name to `oauth2_grant`
func (grant *OAuth2Grant) TableName() string {
return "oauth2_grant"
}
// GenerateNewAuthorizationCode generates a new authorization code for a grant and saves it to the databse
func (grant *OAuth2Grant) GenerateNewAuthorizationCode(redirectURI, codeChallenge, codeChallengeMethod string) (*OAuth2AuthorizationCode, error) {
return grant.generateNewAuthorizationCode(x, redirectURI, codeChallenge, codeChallengeMethod)
}
func (grant *OAuth2Grant) generateNewAuthorizationCode(e Engine, redirectURI, codeChallenge, codeChallengeMethod string) (code *OAuth2AuthorizationCode, err error) {
var codeSecret string
if codeSecret, err = secret.New(); err != nil {
return &OAuth2AuthorizationCode{}, err
}
code = &OAuth2AuthorizationCode{
Grant: grant,
GrantID: grant.ID,
RedirectURI: redirectURI,
Code: codeSecret,
CodeChallenge: codeChallenge,
CodeChallengeMethod: codeChallengeMethod,
}
if _, err := e.Insert(code); err != nil {
return nil, err
}
return code, nil
}
// IncreaseCounter increases the counter and updates the grant
func (grant *OAuth2Grant) IncreaseCounter() error {
return grant.increaseCount(x)
}
func (grant *OAuth2Grant) increaseCount(e Engine) error {
_, err := e.ID(grant.ID).Incr("counter").Update(new(OAuth2Grant))
if err != nil {
return err
}
updatedGrant, err := getOAuth2GrantByID(e, grant.ID)
if err != nil {
return err
}
grant.Counter = updatedGrant.Counter
return nil
}
// GetOAuth2GrantByID returns the grant with the given ID
func GetOAuth2GrantByID(id int64) (*OAuth2Grant, error) {
return getOAuth2GrantByID(x, id)
}
func getOAuth2GrantByID(e Engine, id int64) (grant *OAuth2Grant, err error) {
grant = new(OAuth2Grant)
if has, err := e.ID(id).Get(grant); err != nil {
return nil, err
} else if !has {
return nil, nil
}
return
}
//////////////////////////////////////////////////////////////
// OAuth2TokenType represents the type of token for an oauth application
type OAuth2TokenType int
const (
// TypeAccessToken is a token with short lifetime to access the api
TypeAccessToken OAuth2TokenType = 0
// TypeRefreshToken is token with long lifetime to refresh access tokens obtained by the client
TypeRefreshToken = iota
)
// OAuth2Token represents a JWT token used to authenticate a client
type OAuth2Token struct {
GrantID int64 `json:"gnt"`
Type OAuth2TokenType `json:"tt"`
Counter int64 `json:"cnt,omitempty"`
jwt.StandardClaims
}
// ParseOAuth2Token parses a singed jwt string
func ParseOAuth2Token(jwtToken string) (*OAuth2Token, error) {
parsedToken, err := jwt.ParseWithClaims(jwtToken, &OAuth2Token{}, func(token *jwt.Token) (interface{}, error) {
if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
return nil, fmt.Errorf("unexpected signing algo: %v", token.Header["alg"])
}
return setting.OAuth2.JWTSecretBytes, nil
})
if err != nil {
return nil, err
}
var token *OAuth2Token
var ok bool
if token, ok = parsedToken.Claims.(*OAuth2Token); !ok || !parsedToken.Valid {
return nil, fmt.Errorf("invalid token")
}
return token, nil
}
// SignToken signs the token with the JWT secret
func (token *OAuth2Token) SignToken() (string, error) {
token.IssuedAt = time.Now().Unix()
jwtToken := jwt.NewWithClaims(jwt.SigningMethodHS512, token)
return jwtToken.SignedString(setting.OAuth2.JWTSecretBytes)
}

View File

@ -0,0 +1,209 @@
// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package models
import (
"testing"
"github.com/stretchr/testify/assert"
)
//////////////////// Application
func TestOAuth2Application_GenerateClientSecret(t *testing.T) {
assert.NoError(t, PrepareTestDatabase())
app := AssertExistsAndLoadBean(t, &OAuth2Application{ID: 1}).(*OAuth2Application)
secret, err := app.GenerateClientSecret()
assert.NoError(t, err)
assert.True(t, len(secret) > 0)
AssertExistsAndLoadBean(t, &OAuth2Application{ID: 1, ClientSecret: app.ClientSecret})
}
func BenchmarkOAuth2Application_GenerateClientSecret(b *testing.B) {
assert.NoError(b, PrepareTestDatabase())
app := AssertExistsAndLoadBean(b, &OAuth2Application{ID: 1}).(*OAuth2Application)
for i := 0; i < b.N; i++ {
_, _ = app.GenerateClientSecret()
}
}
func TestOAuth2Application_ContainsRedirectURI(t *testing.T) {
app := &OAuth2Application{
RedirectURIs: []string{"a", "b", "c"},
}
assert.True(t, app.ContainsRedirectURI("a"))
assert.True(t, app.ContainsRedirectURI("b"))
assert.True(t, app.ContainsRedirectURI("c"))
assert.False(t, app.ContainsRedirectURI("d"))
}
func TestOAuth2Application_ValidateClientSecret(t *testing.T) {
assert.NoError(t, PrepareTestDatabase())
app := AssertExistsAndLoadBean(t, &OAuth2Application{ID: 1}).(*OAuth2Application)
secret, err := app.GenerateClientSecret()
assert.NoError(t, err)
assert.True(t, app.ValidateClientSecret([]byte(secret)))
assert.False(t, app.ValidateClientSecret([]byte("fewijfowejgfiowjeoifew")))
}
func TestGetOAuth2ApplicationByClientID(t *testing.T) {
assert.NoError(t, PrepareTestDatabase())
app, err := GetOAuth2ApplicationByClientID("da7da3ba-9a13-4167-856f-3899de0b0138")
assert.NoError(t, err)
assert.Equal(t, "da7da3ba-9a13-4167-856f-3899de0b0138", app.ClientID)
app, err = GetOAuth2ApplicationByClientID("invalid client id")
assert.Error(t, err)
assert.Nil(t, app)
}
func TestCreateOAuth2Application(t *testing.T) {
assert.NoError(t, PrepareTestDatabase())
app, err := CreateOAuth2Application(CreateOAuth2ApplicationOptions{Name: "newapp", UserID: 1})
assert.NoError(t, err)
assert.Equal(t, "newapp", app.Name)
assert.Len(t, app.ClientID, 36)
AssertExistsAndLoadBean(t, &OAuth2Application{Name: "newapp"})
}
func TestOAuth2Application_LoadUser(t *testing.T) {
assert.NoError(t, PrepareTestDatabase())
app := AssertExistsAndLoadBean(t, &OAuth2Application{ID: 1}).(*OAuth2Application)
assert.NoError(t, app.LoadUser())
assert.NotNil(t, app.User)
}
func TestOAuth2Application_TableName(t *testing.T) {
assert.Equal(t, "oauth2_application", new(OAuth2Application).TableName())
}
func TestOAuth2Application_GetGrantByUserID(t *testing.T) {
assert.NoError(t, PrepareTestDatabase())
app := AssertExistsAndLoadBean(t, &OAuth2Application{ID: 1}).(*OAuth2Application)
grant, err := app.GetGrantByUserID(1)
assert.NoError(t, err)
assert.Equal(t, int64(1), grant.UserID)
grant, err = app.GetGrantByUserID(34923458)
assert.NoError(t, err)
assert.Nil(t, grant)
}
func TestOAuth2Application_CreateGrant(t *testing.T) {
assert.NoError(t, PrepareTestDatabase())
app := AssertExistsAndLoadBean(t, &OAuth2Application{ID: 1}).(*OAuth2Application)
grant, err := app.CreateGrant(2)
assert.NoError(t, err)
assert.NotNil(t, grant)
assert.Equal(t, int64(2), grant.UserID)
assert.Equal(t, int64(1), grant.ApplicationID)
}
//////////////////// Grant
func TestGetOAuth2GrantByID(t *testing.T) {
assert.NoError(t, PrepareTestDatabase())
grant, err := GetOAuth2GrantByID(1)
assert.NoError(t, err)
assert.Equal(t, int64(1), grant.ID)
grant, err = GetOAuth2GrantByID(34923458)
assert.NoError(t, err)
assert.Nil(t, grant)
}
func TestOAuth2Grant_IncreaseCounter(t *testing.T) {
assert.NoError(t, PrepareTestDatabase())
grant := AssertExistsAndLoadBean(t, &OAuth2Grant{ID: 1, Counter: 1}).(*OAuth2Grant)
assert.NoError(t, grant.IncreaseCounter())
assert.Equal(t, int64(2), grant.Counter)
AssertExistsAndLoadBean(t, &OAuth2Grant{ID: 1, Counter: 2})
}
func TestOAuth2Grant_GenerateNewAuthorizationCode(t *testing.T) {
assert.NoError(t, PrepareTestDatabase())
grant := AssertExistsAndLoadBean(t, &OAuth2Grant{ID: 1}).(*OAuth2Grant)
code, err := grant.GenerateNewAuthorizationCode("https://example2.com/callback", "CjvyTLSdR47G5zYenDA-eDWW4lRrO8yvjcWwbD_deOg", "S256")
assert.NoError(t, err)
assert.NotNil(t, code)
assert.True(t, len(code.Code) > 32) // secret length > 32
}
func TestOAuth2Grant_TableName(t *testing.T) {
assert.Equal(t, "oauth2_grant", new(OAuth2Grant).TableName())
}
//////////////////// Authorization Code
func TestGetOAuth2AuthorizationByCode(t *testing.T) {
assert.NoError(t, PrepareTestDatabase())
code, err := GetOAuth2AuthorizationByCode("authcode")
assert.NoError(t, err)
assert.NotNil(t, code)
assert.Equal(t, "authcode", code.Code)
assert.Equal(t, int64(1), code.ID)
code, err = GetOAuth2AuthorizationByCode("does not exist")
assert.NoError(t, err)
assert.Nil(t, code)
}
func TestOAuth2AuthorizationCode_ValidateCodeChallenge(t *testing.T) {
// test plain
code := &OAuth2AuthorizationCode{
CodeChallengeMethod: "plain",
CodeChallenge: "test123",
}
assert.True(t, code.ValidateCodeChallenge("test123"))
assert.False(t, code.ValidateCodeChallenge("ierwgjoergjio"))
// test S256
code = &OAuth2AuthorizationCode{
CodeChallengeMethod: "S256",
CodeChallenge: "CjvyTLSdR47G5zYenDA-eDWW4lRrO8yvjcWwbD_deOg",
}
assert.True(t, code.ValidateCodeChallenge("N1Zo9-8Rfwhkt68r1r29ty8YwIraXR8eh_1Qwxg7yQXsonBt"))
assert.False(t, code.ValidateCodeChallenge("wiogjerogorewngoenrgoiuenorg"))
// test unknown
code = &OAuth2AuthorizationCode{
CodeChallengeMethod: "monkey",
CodeChallenge: "foiwgjioriogeiogjerger",
}
assert.False(t, code.ValidateCodeChallenge("foiwgjioriogeiogjerger"))
// test no code challenge
code = &OAuth2AuthorizationCode{
CodeChallengeMethod: "",
CodeChallenge: "foierjiogerogerg",
}
assert.True(t, code.ValidateCodeChallenge(""))
}
func TestOAuth2AuthorizationCode_GenerateRedirectURI(t *testing.T) {
code := &OAuth2AuthorizationCode{
RedirectURI: "https://example.com/callback",
Code: "thecode",
}
redirect, err := code.GenerateRedirectURI("thestate")
assert.NoError(t, err)
assert.Equal(t, redirect.String(), "https://example.com/callback?code=thecode&state=thestate")
redirect, err = code.GenerateRedirectURI("")
assert.NoError(t, err)
assert.Equal(t, redirect.String(), "https://example.com/callback?code=thecode")
}
func TestOAuth2AuthorizationCode_Invalidate(t *testing.T) {
assert.NoError(t, PrepareTestDatabase())
code := AssertExistsAndLoadBean(t, &OAuth2AuthorizationCode{Code: "authcode"}).(*OAuth2AuthorizationCode)
assert.NoError(t, code.Invalidate())
AssertNotExistsBean(t, &OAuth2AuthorizationCode{Code: "authcode"})
}
func TestOAuth2AuthorizationCode_TableName(t *testing.T) {
assert.Equal(t, "oauth2_authorization_code", new(OAuth2AuthorizationCode).TableName())
}

View File

@ -742,6 +742,7 @@ var (
"template", "template",
"user", "user",
"vendor", "vendor",
"login",
"robots.txt", "robots.txt",
".", ".",
"..", "..",

View File

@ -7,6 +7,7 @@ package auth
import ( import (
"reflect" "reflect"
"strings" "strings"
"time"
"github.com/Unknwon/com" "github.com/Unknwon/com"
"github.com/go-macaron/binding" "github.com/go-macaron/binding"
@ -44,7 +45,7 @@ func SignedInID(ctx *macaron.Context, sess session.Store) int64 {
auHead := ctx.Req.Header.Get("Authorization") auHead := ctx.Req.Header.Get("Authorization")
if len(auHead) > 0 { if len(auHead) > 0 {
auths := strings.Fields(auHead) auths := strings.Fields(auHead)
if len(auths) == 2 && auths[0] == "token" { if len(auths) == 2 && (auths[0] == "token" || strings.ToLower(auths[0]) == "bearer") {
tokenSHA = auths[1] tokenSHA = auths[1]
} }
} }
@ -52,6 +53,13 @@ func SignedInID(ctx *macaron.Context, sess session.Store) int64 {
// Let's see if token is valid. // Let's see if token is valid.
if len(tokenSHA) > 0 { if len(tokenSHA) > 0 {
if strings.Contains(tokenSHA, ".") {
uid := checkOAuthAccessToken(tokenSHA)
if uid != 0 {
ctx.Data["IsApiToken"] = true
}
return uid
}
t, err := models.GetAccessTokenBySHA(tokenSHA) t, err := models.GetAccessTokenBySHA(tokenSHA)
if err != nil { if err != nil {
if models.IsErrAccessTokenNotExist(err) || models.IsErrAccessTokenEmpty(err) { if models.IsErrAccessTokenNotExist(err) || models.IsErrAccessTokenEmpty(err) {
@ -77,6 +85,29 @@ func SignedInID(ctx *macaron.Context, sess session.Store) int64 {
return 0 return 0
} }
func checkOAuthAccessToken(accessToken string) int64 {
// JWT tokens require a "."
if !strings.Contains(accessToken, ".") {
return 0
}
token, err := models.ParseOAuth2Token(accessToken)
if err != nil {
log.Trace("ParseOAuth2Token", err)
return 0
}
var grant *models.OAuth2Grant
if grant, err = models.GetOAuth2GrantByID(token.GrantID); err != nil || grant == nil {
return 0
}
if token.Type != models.TypeAccessToken {
return 0
}
if token.ExpiresAt < time.Now().Unix() || token.IssuedAt > time.Now().Unix() {
return 0
}
return grant.UserID
}
// SignedInUser returns the user object of signed user. // SignedInUser returns the user object of signed user.
// It returns a bool value to indicate whether user uses basic auth or not. // It returns a bool value to indicate whether user uses basic auth or not.
func SignedInUser(ctx *macaron.Context, sess session.Store) (*models.User, bool) { func SignedInUser(ctx *macaron.Context, sess session.Store) (*models.User, bool) {

View File

@ -137,6 +137,54 @@ func (f *SignInForm) Validate(ctx *macaron.Context, errs binding.Errors) binding
return validate(errs, ctx.Data, f, ctx.Locale) return validate(errs, ctx.Data, f, ctx.Locale)
} }
// AuthorizationForm form for authorizing oauth2 clients
type AuthorizationForm struct {
ResponseType string `binding:"Required;In(code)"`
ClientID string `binding:"Required"`
RedirectURI string
State string
// PKCE support
CodeChallengeMethod string // S256, plain
CodeChallenge string
}
// Validate valideates the fields
func (f *AuthorizationForm) Validate(ctx *macaron.Context, errs binding.Errors) binding.Errors {
return validate(errs, ctx.Data, f, ctx.Locale)
}
// GrantApplicationForm form for authorizing oauth2 clients
type GrantApplicationForm struct {
ClientID string `binding:"Required"`
RedirectURI string
State string
}
// Validate valideates the fields
func (f *GrantApplicationForm) Validate(ctx *macaron.Context, errs binding.Errors) binding.Errors {
return validate(errs, ctx.Data, f, ctx.Locale)
}
// AccessTokenForm for issuing access tokens from authorization codes or refresh tokens
type AccessTokenForm struct {
GrantType string
ClientID string
ClientSecret string
RedirectURI string
// TODO Specify authentication code length to prevent against birthday attacks
Code string
RefreshToken string
// PKCE support
CodeVerifier string
}
// Validate valideates the fields
func (f *AccessTokenForm) Validate(ctx *macaron.Context, errs binding.Errors) binding.Errors {
return validate(errs, ctx.Data, f, ctx.Locale)
}
// __________________________________________.___ _______ ________ _________ // __________________________________________.___ _______ ________ _________
// / _____/\_ _____/\__ ___/\__ ___/| |\ \ / _____/ / _____/ // / _____/\_ _____/\__ ___/\__ ___/| |\ \ / _____/ / _____/
// \_____ \ | __)_ | | | | | |/ | \/ \ ___ \_____ \ // \_____ \ | __)_ | | | | | |/ | \/ \ ___ \_____ \
@ -258,6 +306,17 @@ func (f *NewAccessTokenForm) Validate(ctx *macaron.Context, errs binding.Errors)
return validate(errs, ctx.Data, f, ctx.Locale) return validate(errs, ctx.Data, f, ctx.Locale)
} }
// EditOAuth2ApplicationForm form for editing oauth2 applications
type EditOAuth2ApplicationForm struct {
Name string `binding:"Required;MaxSize(255)" form:"application_name"`
RedirectURI string `binding:"Required" form:"redirect_uri"`
}
// Validate valideates the fields
func (f *EditOAuth2ApplicationForm) Validate(ctx *macaron.Context, errs binding.Errors) binding.Errors {
return validate(errs, ctx.Data, f, ctx.Locale)
}
// TwoFactorAuthForm for logging in with 2FA token. // TwoFactorAuthForm for logging in with 2FA token.
type TwoFactorAuthForm struct { type TwoFactorAuthForm struct {
Passcode string `binding:"Required"` Passcode string `binding:"Required"`

View File

@ -57,16 +57,14 @@ func NewInternalToken() (string, error) {
return internalToken, nil return internalToken, nil
} }
// NewLfsJwtSecret generate a new value intended to be used by LFS_JWT_SECRET. // NewJwtSecret generate a new value intended to be used by LFS_JWT_SECRET.
func NewLfsJwtSecret() (string, error) { func NewJwtSecret() (string, error) {
JWTSecretBytes := make([]byte, 32) JWTSecretBytes := make([]byte, 32)
_, err := io.ReadFull(rand.Reader, JWTSecretBytes) _, err := io.ReadFull(rand.Reader, JWTSecretBytes)
if err != nil { if err != nil {
return "", err return "", err
} }
return base64.RawURLEncoding.EncodeToString(JWTSecretBytes), nil
JWTSecretBase64 := base64.RawURLEncoding.EncodeToString(JWTSecretBytes)
return JWTSecretBase64, nil
} }
// NewSecretKey generate a new value intended to be used by SECRET_KEY. // NewSecretKey generate a new value intended to be used by SECRET_KEY.

33
modules/secret/secret.go Normal file
View File

@ -0,0 +1,33 @@
// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package secret
import (
"crypto/rand"
"encoding/base64"
)
// New creats a new secret
func New() (string, error) {
return NewWithLength(32)
}
// NewWithLength creates a new secret for a given length
func NewWithLength(length int64) (string, error) {
return randomString(length)
}
func randomBytes(len int64) ([]byte, error) {
b := make([]byte, len)
if _, err := rand.Read(b); err != nil {
return nil, err
}
return b, nil
}
func randomString(len int64) (string, error) {
b, err := randomBytes(len)
return base64.URLEncoding.EncodeToString(b), err
}

View File

@ -0,0 +1,22 @@
// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package secret
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestNew(t *testing.T) {
result, err := New()
assert.NoError(t, err)
assert.True(t, len(result) > 32)
result2, err := New()
assert.NoError(t, err)
// check if secrets
assert.NotEqual(t, result, result2)
}

View File

@ -560,6 +560,18 @@ var (
DefaultGitTreesPerPage: 1000, DefaultGitTreesPerPage: 1000,
} }
OAuth2 = struct {
Enable bool
AccessTokenExpirationTime int64
RefreshTokenExpirationTime int64
JWTSecretBytes []byte `ini:"-"`
JWTSecretBase64 string `ini:"JWT_SECRET"`
}{
Enable: true,
AccessTokenExpirationTime: 3600,
RefreshTokenExpirationTime: 730,
}
U2F = struct { U2F = struct {
AppID string AppID string
TrustedFacets []string TrustedFacets []string
@ -922,7 +934,7 @@ func NewContext() {
n, err := base64.RawURLEncoding.Decode(LFS.JWTSecretBytes, []byte(LFS.JWTSecretBase64)) n, err := base64.RawURLEncoding.Decode(LFS.JWTSecretBytes, []byte(LFS.JWTSecretBase64))
if err != nil || n != 32 { if err != nil || n != 32 {
LFS.JWTSecretBase64, err = generate.NewLfsJwtSecret() LFS.JWTSecretBase64, err = generate.NewJwtSecret()
if err != nil { if err != nil {
log.Fatal(4, "Error generating JWT Secret for custom config: %v", err) log.Fatal(4, "Error generating JWT Secret for custom config: %v", err)
return return
@ -949,6 +961,41 @@ func NewContext() {
} }
} }
if err = Cfg.Section("oauth2").MapTo(&OAuth2); err != nil {
log.Fatal(4, "Failed to OAuth2 settings: %v", err)
return
}
if OAuth2.Enable {
OAuth2.JWTSecretBytes = make([]byte, 32)
n, err := base64.RawURLEncoding.Decode(OAuth2.JWTSecretBytes, []byte(OAuth2.JWTSecretBase64))
if err != nil || n != 32 {
OAuth2.JWTSecretBase64, err = generate.NewJwtSecret()
if err != nil {
log.Fatal(4, "error generating JWT secret: %v", err)
return
}
cfg := ini.Empty()
if com.IsFile(CustomConf) {
if err := cfg.Append(CustomConf); err != nil {
log.Error(4, "failed to load custom conf %s: %v", CustomConf, err)
return
}
}
cfg.Section("oauth2").Key("JWT_SECRET").SetValue(OAuth2.JWTSecretBase64)
if err := os.MkdirAll(filepath.Dir(CustomConf), os.ModePerm); err != nil {
log.Fatal(4, "failed to create '%s': %v", CustomConf, err)
return
}
if err := cfg.SaveTo(CustomConf); err != nil {
log.Fatal(4, "error saving generating JWT secret to custom config: %v", err)
return
}
}
}
sec = Cfg.Section("security") sec = Cfg.Section("security")
InstallLock = sec.Key("INSTALL_LOCK").MustBool(false) InstallLock = sec.Key("INSTALL_LOCK").MustBool(false)
SecretKey = sec.Key("SECRET_KEY").MustString("!#@FDEWREWR&*(") SecretKey = sec.Key("SECRET_KEY").MustString("!#@FDEWREWR&*(")

View File

@ -243,6 +243,13 @@ openid_register_desc = The chosen OpenID URI is unknown. Associate it with a new
openid_signin_desc = Enter your OpenID URI. For example: https://anne.me, bob.openid.org.cn or gnusocial.net/carry. openid_signin_desc = Enter your OpenID URI. For example: https://anne.me, bob.openid.org.cn or gnusocial.net/carry.
disable_forgot_password_mail = Password reset is disabled. Please contact your site administrator. disable_forgot_password_mail = Password reset is disabled. Please contact your site administrator.
email_domain_blacklisted = You cannot register with your email address. email_domain_blacklisted = You cannot register with your email address.
authorize_application = Authorize Application
authroize_redirect_notice = You will be redirected to %s if you authorize this application.
authorize_application_created_by = This application was created by %s.
authorize_application_description = If you grant the access, it will be able to access and write to all your account information, including private repos and organisations.
authorize_title = Authorize "%s" to access your account?
authorization_failed = Authorization failed
authorization_failed_desc = The authorization failed because we detected an invalid request. Please contact the maintainer of the app you've tried to authorize.
[mail] [mail]
activate_account = Please activate your account activate_account = Please activate your account
@ -466,6 +473,31 @@ access_token_deletion = Delete Access Token
access_token_deletion_desc = Deleting a token will revoke access to your account for applications using it. Continue? access_token_deletion_desc = Deleting a token will revoke access to your account for applications using it. Continue?
delete_token_success = The token has been deleted. Applications using it no longer have access to your account. delete_token_success = The token has been deleted. Applications using it no longer have access to your account.
manage_oauth2_applications = Manage OAuth2 Applications
edit_oauth2_application = Edit OAuth2 Application
oauth2_applications_desc = OAuth2 applications enables your third-party application to securely authenticate users at this Gitea instance.
remove_oauth2_application = Remove OAuth2 Application
remove_oauth2_application_desc = Removing an OAuth2 application will revoke access to all signed access tokes. Continue?
remove_oauth2_application_success = The application has been deleted.
create_oauth2_application = Create a new OAuth2 Application
create_oauth2_application_button = Create Application
create_oauth2_application_success = You've successfully created a new OAuth2 application.
update_oauth2_application_success = You've successfully updated the OAuth2 application.
oauth2_application_name = Application Name
oauth2_select_type = Which application type fits?
oauth2_type_web = Web (e.g. Node.JS, Tomcat, Go)
oauth2_type_native = Native (e.g. Mobile, Desktop, Browser)
oauth2_redirect_uri = Redirect URI
save_application = Save
oauth2_client_id = Client ID
oauth2_client_secret = Client Secret
oauth2_regenerate_secret = Regenerate Secret
oauth2_regenerate_secret_hint = Lost your secret?
oauth2_client_secret_hint = The secret won't be visible if you revisit this page. Please save your secret.
oauth2_application_edit = Edit
oauth2_application_create_description = OAuth2 applications gives your third-party application access to user accounts on this instance.
oauth2_application_remove_description = Removing an OAuth2 application will prevent it to access authorized user accounts on this instance. Continue?
twofa_desc = Two-factor authentication enhances the security of your account. twofa_desc = Two-factor authentication enhances the security of your account.
twofa_is_enrolled = Your account is currently <strong>enrolled</strong> in two-factor authentication. twofa_is_enrolled = Your account is currently <strong>enrolled</strong> in two-factor authentication.
twofa_not_enrolled = Your account is not currently enrolled in two-factor authentication. twofa_not_enrolled = Your account is not currently enrolled in two-factor authentication.

File diff suppressed because one or more lines are too long

View File

@ -633,3 +633,7 @@ footer {
.archived-icon{ .archived-icon{
color: lighten(#000, 70%) !important; color: lighten(#000, 70%) !important;
} }
.oauth2-authorize-application-box {
margin-top: 3em !important;
}

View File

@ -266,7 +266,7 @@ func InstallPost(ctx *context.Context, form auth.InstallForm) {
cfg.Section("server").Key("LFS_START_SERVER").SetValue("true") cfg.Section("server").Key("LFS_START_SERVER").SetValue("true")
cfg.Section("server").Key("LFS_CONTENT_PATH").SetValue(form.LFSRootPath) cfg.Section("server").Key("LFS_CONTENT_PATH").SetValue(form.LFSRootPath)
var secretKey string var secretKey string
if secretKey, err = generate.NewLfsJwtSecret(); err != nil { if secretKey, err = generate.NewJwtSecret(); err != nil {
ctx.RenderWithErr(ctx.Tr("install.lfs_jwt_secret_failed", err), tplInstall, &form) ctx.RenderWithErr(ctx.Tr("install.lfs_jwt_secret_failed", err), tplInstall, &form)
return return
} }

View File

@ -257,6 +257,14 @@ func RegisterRoutes(m *macaron.Macaron) {
}) })
}, reqSignOut) }, reqSignOut)
m.Group("/login/oauth", func() {
m.Get("/authorize", bindIgnErr(auth.AuthorizationForm{}), user.AuthorizeOAuth)
m.Post("/grant", bindIgnErr(auth.GrantApplicationForm{}), user.GrantApplicationOAuth)
// TODO manage redirection
m.Post("/authorize", bindIgnErr(auth.AuthorizationForm{}), user.AuthorizeOAuth)
}, ignSignInAndCsrf, reqSignIn)
m.Post("/login/oauth/access_token", bindIgnErr(auth.AccessTokenForm{}), ignSignInAndCsrf, user.AccessTokenOAuth)
m.Group("/user/settings", func() { m.Group("/user/settings", func() {
m.Get("", userSetting.Profile) m.Get("", userSetting.Profile)
m.Post("", bindIgnErr(auth.UpdateProfileForm{}), userSetting.ProfilePost) m.Post("", bindIgnErr(auth.UpdateProfileForm{}), userSetting.ProfilePost)
@ -291,6 +299,12 @@ func RegisterRoutes(m *macaron.Macaron) {
}, openIDSignInEnabled) }, openIDSignInEnabled)
m.Post("/account_link", userSetting.DeleteAccountLink) m.Post("/account_link", userSetting.DeleteAccountLink)
}) })
m.Group("/applications/oauth2", func() {
m.Get("/:id", userSetting.OAuth2ApplicationShow)
m.Post("/:id", bindIgnErr(auth.EditOAuth2ApplicationForm{}), userSetting.OAuthApplicationsEdit)
m.Post("", bindIgnErr(auth.EditOAuth2ApplicationForm{}), userSetting.OAuthApplicationsPost)
m.Post("/delete", userSetting.DeleteOAuth2Application)
})
m.Combo("/applications").Get(userSetting.Applications). m.Combo("/applications").Get(userSetting.Applications).
Post(bindIgnErr(auth.NewAccessTokenForm{}), userSetting.ApplicationsPost) Post(bindIgnErr(auth.NewAccessTokenForm{}), userSetting.ApplicationsPost)
m.Post("/applications/delete", userSetting.DeleteApplication) m.Post("/applications/delete", userSetting.DeleteApplication)

452
routers/user/oauth.go Normal file
View File

@ -0,0 +1,452 @@
// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package user
import (
"fmt"
"net/url"
"github.com/dgrijalva/jwt-go"
"github.com/go-macaron/binding"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/auth"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/util"
)
const (
tplGrantAccess base.TplName = "user/auth/grant"
tplGrantError base.TplName = "user/auth/grant_error"
)
// TODO move error and responses to SDK or models
// AuthorizeErrorCode represents an error code specified in RFC 6749
type AuthorizeErrorCode string
const (
// ErrorCodeInvalidRequest represents the according error in RFC 6749
ErrorCodeInvalidRequest AuthorizeErrorCode = "invalid_request"
// ErrorCodeUnauthorizedClient represents the according error in RFC 6749
ErrorCodeUnauthorizedClient AuthorizeErrorCode = "unauthorized_client"
// ErrorCodeAccessDenied represents the according error in RFC 6749
ErrorCodeAccessDenied AuthorizeErrorCode = "access_denied"
// ErrorCodeUnsupportedResponseType represents the according error in RFC 6749
ErrorCodeUnsupportedResponseType AuthorizeErrorCode = "unsupported_response_type"
// ErrorCodeInvalidScope represents the according error in RFC 6749
ErrorCodeInvalidScope AuthorizeErrorCode = "invalid_scope"
// ErrorCodeServerError represents the according error in RFC 6749
ErrorCodeServerError AuthorizeErrorCode = "server_error"
// ErrorCodeTemporaryUnavailable represents the according error in RFC 6749
ErrorCodeTemporaryUnavailable AuthorizeErrorCode = "temporarily_unavailable"
)
// AuthorizeError represents an error type specified in RFC 6749
type AuthorizeError struct {
ErrorCode AuthorizeErrorCode `json:"error" form:"error"`
ErrorDescription string
State string
}
// Error returns the error message
func (err AuthorizeError) Error() string {
return fmt.Sprintf("%s: %s", err.ErrorCode, err.ErrorDescription)
}
// AccessTokenErrorCode represents an error code specified in RFC 6749
type AccessTokenErrorCode string
const (
// AccessTokenErrorCodeInvalidRequest represents an error code specified in RFC 6749
AccessTokenErrorCodeInvalidRequest AccessTokenErrorCode = "invalid_request"
// AccessTokenErrorCodeInvalidClient represents an error code specified in RFC 6749
AccessTokenErrorCodeInvalidClient = "invalid_client"
// AccessTokenErrorCodeInvalidGrant represents an error code specified in RFC 6749
AccessTokenErrorCodeInvalidGrant = "invalid_grant"
// AccessTokenErrorCodeUnauthorizedClient represents an error code specified in RFC 6749
AccessTokenErrorCodeUnauthorizedClient = "unauthorized_client"
// AccessTokenErrorCodeUnsupportedGrantType represents an error code specified in RFC 6749
AccessTokenErrorCodeUnsupportedGrantType = "unsupported_grant_type"
// AccessTokenErrorCodeInvalidScope represents an error code specified in RFC 6749
AccessTokenErrorCodeInvalidScope = "invalid_scope"
)
// AccessTokenError represents an error response specified in RFC 6749
type AccessTokenError struct {
ErrorCode AccessTokenErrorCode `json:"error" form:"error"`
ErrorDescription string `json:"error_description"`
}
// Error returns the error message
func (err AccessTokenError) Error() string {
return fmt.Sprintf("%s: %s", err.ErrorCode, err.ErrorDescription)
}
// TokenType specifies the kind of token
type TokenType string
const (
// TokenTypeBearer represents a token type specified in RFC 6749
TokenTypeBearer TokenType = "bearer"
// TokenTypeMAC represents a token type specified in RFC 6749
TokenTypeMAC = "mac"
)
// AccessTokenResponse represents a successful access token response
type AccessTokenResponse struct {
AccessToken string `json:"access_token"`
TokenType TokenType `json:"token_type"`
ExpiresIn int64 `json:"expires_in"`
// TODO implement RefreshToken
RefreshToken string `json:"refresh_token"`
}
func newAccessTokenResponse(grant *models.OAuth2Grant) (*AccessTokenResponse, *AccessTokenError) {
if err := grant.IncreaseCounter(); err != nil {
return nil, &AccessTokenError{
ErrorCode: AccessTokenErrorCodeInvalidGrant,
ErrorDescription: "cannot increase the grant counter",
}
}
// generate access token to access the API
expirationDate := util.TimeStampNow().Add(setting.OAuth2.AccessTokenExpirationTime)
accessToken := &models.OAuth2Token{
GrantID: grant.ID,
Type: models.TypeAccessToken,
StandardClaims: jwt.StandardClaims{
ExpiresAt: expirationDate.AsTime().Unix(),
},
}
signedAccessToken, err := accessToken.SignToken()
if err != nil {
return nil, &AccessTokenError{
ErrorCode: AccessTokenErrorCodeInvalidRequest,
ErrorDescription: "cannot sign token",
}
}
// generate refresh token to request an access token after it expired later
refreshExpirationDate := util.TimeStampNow().Add(setting.OAuth2.RefreshTokenExpirationTime * 60 * 60).AsTime().Unix()
refreshToken := &models.OAuth2Token{
GrantID: grant.ID,
Counter: grant.Counter,
Type: models.TypeRefreshToken,
StandardClaims: jwt.StandardClaims{
ExpiresAt: refreshExpirationDate,
},
}
signedRefreshToken, err := refreshToken.SignToken()
if err != nil {
return nil, &AccessTokenError{
ErrorCode: AccessTokenErrorCodeInvalidRequest,
ErrorDescription: "cannot sign token",
}
}
return &AccessTokenResponse{
AccessToken: signedAccessToken,
TokenType: TokenTypeBearer,
ExpiresIn: setting.OAuth2.AccessTokenExpirationTime,
RefreshToken: signedRefreshToken,
}, nil
}
// AuthorizeOAuth manages authorize requests
func AuthorizeOAuth(ctx *context.Context, form auth.AuthorizationForm) {
errs := binding.Errors{}
errs = form.Validate(ctx.Context, errs)
app, err := models.GetOAuth2ApplicationByClientID(form.ClientID)
if err != nil {
if models.IsErrOauthClientIDInvalid(err) {
handleAuthorizeError(ctx, AuthorizeError{
ErrorCode: ErrorCodeUnauthorizedClient,
ErrorDescription: "Client ID not registered",
State: form.State,
}, "")
return
}
ctx.ServerError("GetOAuth2ApplicationByClientID", err)
return
}
if err := app.LoadUser(); err != nil {
ctx.ServerError("LoadUser", err)
return
}
if !app.ContainsRedirectURI(form.RedirectURI) {
handleAuthorizeError(ctx, AuthorizeError{
ErrorCode: ErrorCodeInvalidRequest,
ErrorDescription: "Unregistered Redirect URI",
State: form.State,
}, "")
return
}
if form.ResponseType != "code" {
handleAuthorizeError(ctx, AuthorizeError{
ErrorCode: ErrorCodeUnsupportedResponseType,
ErrorDescription: "Only code response type is supported.",
State: form.State,
}, form.RedirectURI)
return
}
// pkce support
switch form.CodeChallengeMethod {
case "S256":
case "plain":
if err := ctx.Session.Set("CodeChallengeMethod", form.CodeChallengeMethod); err != nil {
handleAuthorizeError(ctx, AuthorizeError{
ErrorCode: ErrorCodeServerError,
ErrorDescription: "cannot set code challenge method",
State: form.State,
}, form.RedirectURI)
return
}
if err := ctx.Session.Set("CodeChallengeMethod", form.CodeChallenge); err != nil {
handleAuthorizeError(ctx, AuthorizeError{
ErrorCode: ErrorCodeServerError,
ErrorDescription: "cannot set code challenge",
State: form.State,
}, form.RedirectURI)
return
}
break
case "":
break
default:
handleAuthorizeError(ctx, AuthorizeError{
ErrorCode: ErrorCodeInvalidRequest,
ErrorDescription: "unsupported code challenge method",
State: form.State,
}, form.RedirectURI)
return
}
grant, err := app.GetGrantByUserID(ctx.User.ID)
if err != nil {
handleServerError(ctx, form.State, form.RedirectURI)
return
}
// Redirect if user already granted access
if grant != nil {
code, err := grant.GenerateNewAuthorizationCode(form.RedirectURI, form.CodeChallenge, form.CodeChallengeMethod)
if err != nil {
handleServerError(ctx, form.State, form.RedirectURI)
return
}
redirect, err := code.GenerateRedirectURI(form.State)
if err != nil {
handleServerError(ctx, form.State, form.RedirectURI)
return
}
ctx.Redirect(redirect.String(), 302)
return
}
// show authorize page to grant access
ctx.Data["Application"] = app
ctx.Data["RedirectURI"] = form.RedirectURI
ctx.Data["State"] = form.State
ctx.Data["ApplicationUserLink"] = "<a href=\"" + setting.LocalURL + app.User.LowerName + "\">@" + app.User.Name + "</a>"
ctx.Data["ApplicationRedirectDomainHTML"] = "<strong>" + form.RedirectURI + "</strong>"
// TODO document SESSION <=> FORM
ctx.Session.Set("client_id", app.ClientID)
ctx.Session.Set("redirect_uri", form.RedirectURI)
ctx.Session.Set("state", form.State)
ctx.HTML(200, tplGrantAccess)
}
// GrantApplicationOAuth manages the post request submitted when a user grants access to an application
func GrantApplicationOAuth(ctx *context.Context, form auth.GrantApplicationForm) {
if ctx.Session.Get("client_id") != form.ClientID || ctx.Session.Get("state") != form.State ||
ctx.Session.Get("redirect_uri") != form.RedirectURI {
ctx.Error(400)
return
}
app, err := models.GetOAuth2ApplicationByClientID(form.ClientID)
if err != nil {
ctx.ServerError("GetOAuth2ApplicationByClientID", err)
return
}
grant, err := app.CreateGrant(ctx.User.ID)
if err != nil {
handleAuthorizeError(ctx, AuthorizeError{
State: form.State,
ErrorDescription: "cannot create grant for user",
ErrorCode: ErrorCodeServerError,
}, form.RedirectURI)
return
}
var codeChallenge, codeChallengeMethod string
codeChallenge, _ = ctx.Session.Get("CodeChallenge").(string)
codeChallengeMethod, _ = ctx.Session.Get("CodeChallengeMethod").(string)
code, err := grant.GenerateNewAuthorizationCode(form.RedirectURI, codeChallenge, codeChallengeMethod)
if err != nil {
handleServerError(ctx, form.State, form.RedirectURI)
return
}
redirect, err := code.GenerateRedirectURI(form.State)
if err != nil {
handleServerError(ctx, form.State, form.RedirectURI)
}
ctx.Redirect(redirect.String(), 302)
}
// AccessTokenOAuth manages all access token requests by the client
func AccessTokenOAuth(ctx *context.Context, form auth.AccessTokenForm) {
switch form.GrantType {
case "refresh_token":
handleRefreshToken(ctx, form)
return
case "authorization_code":
handleAuthorizationCode(ctx, form)
return
default:
handleAccessTokenError(ctx, AccessTokenError{
ErrorCode: AccessTokenErrorCodeUnsupportedGrantType,
ErrorDescription: "Only refresh_token or authorization_code grant type is supported",
})
}
}
func handleRefreshToken(ctx *context.Context, form auth.AccessTokenForm) {
token, err := models.ParseOAuth2Token(form.RefreshToken)
if err != nil {
handleAccessTokenError(ctx, AccessTokenError{
ErrorCode: AccessTokenErrorCodeUnauthorizedClient,
ErrorDescription: "client is not authorized",
})
return
}
// get grant before increasing counter
grant, err := models.GetOAuth2GrantByID(token.GrantID)
if err != nil || grant == nil {
handleAccessTokenError(ctx, AccessTokenError{
ErrorCode: AccessTokenErrorCodeInvalidGrant,
ErrorDescription: "grant does not exist",
})
return
}
// check if token got already used
if grant.Counter != token.Counter || token.Counter == 0 {
handleAccessTokenError(ctx, AccessTokenError{
ErrorCode: AccessTokenErrorCodeUnauthorizedClient,
ErrorDescription: "token was already used",
})
log.Warn("A client tried to use a refresh token for grant_id = %d was used twice!", grant.ID)
return
}
accessToken, tokenErr := newAccessTokenResponse(grant)
if tokenErr != nil {
handleAccessTokenError(ctx, *tokenErr)
return
}
ctx.JSON(200, accessToken)
}
func handleAuthorizationCode(ctx *context.Context, form auth.AccessTokenForm) {
app, err := models.GetOAuth2ApplicationByClientID(form.ClientID)
if err != nil {
handleAccessTokenError(ctx, AccessTokenError{
ErrorCode: AccessTokenErrorCodeInvalidClient,
ErrorDescription: "cannot load client",
})
return
}
if !app.ValidateClientSecret([]byte(form.ClientSecret)) {
handleAccessTokenError(ctx, AccessTokenError{
ErrorCode: AccessTokenErrorCodeUnauthorizedClient,
ErrorDescription: "client is not authorized",
})
return
}
if form.RedirectURI != "" && !app.ContainsRedirectURI(form.RedirectURI) {
handleAccessTokenError(ctx, AccessTokenError{
ErrorCode: AccessTokenErrorCodeUnauthorizedClient,
ErrorDescription: "client is not authorized",
})
return
}
authorizationCode, err := models.GetOAuth2AuthorizationByCode(form.Code)
if err != nil || authorizationCode == nil {
handleAccessTokenError(ctx, AccessTokenError{
ErrorCode: AccessTokenErrorCodeUnauthorizedClient,
ErrorDescription: "client is not authorized",
})
return
}
// check if code verifier authorizes the client, PKCE support
if !authorizationCode.ValidateCodeChallenge(form.CodeVerifier) {
handleAccessTokenError(ctx, AccessTokenError{
ErrorCode: AccessTokenErrorCodeUnauthorizedClient,
ErrorDescription: "client is not authorized",
})
return
}
// check if granted for this application
if authorizationCode.Grant.ApplicationID != app.ID {
handleAccessTokenError(ctx, AccessTokenError{
ErrorCode: AccessTokenErrorCodeInvalidGrant,
ErrorDescription: "invalid grant",
})
return
}
// remove token from database to deny duplicate usage
if err := authorizationCode.Invalidate(); err != nil {
handleAccessTokenError(ctx, AccessTokenError{
ErrorCode: AccessTokenErrorCodeInvalidRequest,
ErrorDescription: "cannot proceed your request",
})
}
resp, tokenErr := newAccessTokenResponse(authorizationCode.Grant)
if tokenErr != nil {
handleAccessTokenError(ctx, *tokenErr)
return
}
// send successful response
ctx.JSON(200, resp)
}
func handleAccessTokenError(ctx *context.Context, acErr AccessTokenError) {
ctx.JSON(400, acErr)
}
func handleServerError(ctx *context.Context, state string, redirectURI string) {
handleAuthorizeError(ctx, AuthorizeError{
ErrorCode: ErrorCodeServerError,
ErrorDescription: "A server error occurred",
State: state,
}, redirectURI)
}
func handleAuthorizeError(ctx *context.Context, authErr AuthorizeError, redirectURI string) {
if redirectURI == "" {
log.Warn("Authorization failed: %v", authErr.ErrorDescription)
ctx.Data["Error"] = authErr
ctx.HTML(400, tplGrantError)
return
}
redirect, err := url.Parse(redirectURI)
if err != nil {
ctx.ServerError("url.Parse", err)
return
}
q := redirect.Query()
q.Set("error", string(authErr.ErrorCode))
q.Set("error_description", authErr.ErrorDescription)
q.Set("state", authErr.State)
redirect.RawQuery = q.Encode()
ctx.Redirect(redirect.String(), 302)
}

View File

@ -74,4 +74,12 @@ func loadApplicationsData(ctx *context.Context) {
return return
} }
ctx.Data["Tokens"] = tokens ctx.Data["Tokens"] = tokens
ctx.Data["EnableOAuth2"] = setting.OAuth2.Enable
if setting.OAuth2.Enable {
ctx.Data["Applications"], err = models.GetOAuth2ApplicationsByUserID(ctx.User.ID)
if err != nil {
ctx.ServerError("GetOAuth2ApplicationsByUserID", err)
return
}
}
} }

View File

@ -0,0 +1,112 @@
// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package setting
import (
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/auth"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
)
const (
tplSettingsOAuthApplications base.TplName = "user/settings/applications_oauth2_edit"
)
// OAuthApplicationsPost response for adding a oauth2 application
func OAuthApplicationsPost(ctx *context.Context, form auth.EditOAuth2ApplicationForm) {
ctx.Data["Title"] = ctx.Tr("settings")
ctx.Data["PageIsSettingsApplications"] = true
if ctx.HasError() {
loadApplicationsData(ctx)
ctx.HTML(200, tplSettingsApplications)
return
}
// TODO validate redirect URI
app, err := models.CreateOAuth2Application(models.CreateOAuth2ApplicationOptions{
Name: form.Name,
RedirectURIs: []string{form.RedirectURI},
UserID: ctx.User.ID,
})
if err != nil {
ctx.ServerError("CreateOAuth2Application", err)
return
}
ctx.Flash.Success(ctx.Tr("settings.create_oauth2_application_success"))
ctx.Data["App"] = app
ctx.Data["ClientSecret"], err = app.GenerateClientSecret()
if err != nil {
ctx.ServerError("GenerateClientSecret", err)
return
}
ctx.HTML(200, tplSettingsOAuthApplications)
}
// OAuthApplicationsEdit response for editing oauth2 application
func OAuthApplicationsEdit(ctx *context.Context, form auth.EditOAuth2ApplicationForm) {
ctx.Data["Title"] = ctx.Tr("settings")
ctx.Data["PageIsSettingsApplications"] = true
if ctx.HasError() {
loadApplicationsData(ctx)
ctx.HTML(200, tplSettingsApplications)
return
}
// TODO validate redirect URI
if err := models.UpdateOAuth2Application(models.UpdateOAuth2ApplicationOptions{
ID: ctx.ParamsInt64("id"),
Name: form.Name,
RedirectURIs: []string{form.RedirectURI},
UserID: ctx.User.ID,
}); err != nil {
ctx.ServerError("UpdateOAuth2Application", err)
return
}
var err error
if ctx.Data["App"], err = models.GetOAuth2ApplicationByID(ctx.ParamsInt64("id")); err != nil {
ctx.ServerError("GetOAuth2ApplicationByID", err)
return
}
ctx.Flash.Success(ctx.Tr("settings.update_oauth2_application_success"))
ctx.HTML(200, tplSettingsOAuthApplications)
}
// OAuth2ApplicationShow displays the given application
func OAuth2ApplicationShow(ctx *context.Context) {
app, err := models.GetOAuth2ApplicationByID(ctx.ParamsInt64("id"))
if err != nil {
if models.IsErrOAuthApplicationNotFound(err) {
ctx.NotFound("Application not found", err)
return
}
ctx.ServerError("GetOAuth2ApplicationByID", err)
return
}
if app.UID != ctx.User.ID {
ctx.NotFound("Application not found", nil)
return
}
ctx.Data["App"] = app
ctx.HTML(200, tplSettingsOAuthApplications)
}
// DeleteOAuth2Application deletes the given oauth2 application
func DeleteOAuth2Application(ctx *context.Context) {
if err := models.DeleteOAuth2Application(ctx.QueryInt64("id"), ctx.User.ID); err != nil {
ctx.ServerError("DeleteOAuth2Application", err)
return
}
log.Trace("OAuth2 Application deleted: %s", ctx.User.Name)
ctx.Flash.Success(ctx.Tr("settings.remove_oauth2_application_success"))
ctx.JSON(200, map[string]interface{}{
"redirect": setting.AppSubURL + "/user/settings/applications",
})
}

View File

@ -0,0 +1,31 @@
{{template "base/head" .}}
<div class="ui one column stackable center aligned page grid oauth2-authorize-application-box">
<div class="column seven wide">
<div class="ui middle centered raised segments">
<h3 class="ui top attached header">
{{.i18n.Tr "auth.authorize_title" .Application.Name}}
</h3>
<div class="ui attached segment">
{{template "base/alert" .}}
<p>
<b>{{.i18n.Tr "auth.authorize_application_description"}}</b><br/>
{{.i18n.Tr "auth.authorize_application_created_by" .ApplicationUserLink | Str2html}}
</p>
</div>
<div class="ui attached segment">
<p>{{.i18n.Tr "auth.authroize_redirect_notice" .ApplicationRedirectDomainHTML | Str2html}}</p>
</div>
<div class="ui attached segment">
<form method="post" action="{{.AppSubUrl}}/login/oauth/grant">
{{.CsrfTokenHtml}}
<input type="hidden" name="client_id" value="{{.Application.ClientID}}">
<input type="hidden" name="state" value="{{.State}}">
<input type="hidden" name="redirect_uri" value="{{.RedirectURI}}">
<input type="submit" id="authorize-app" value="{{.i18n.Tr "auth.authorize_application"}}" class="ui red inline button"/>
<a href="{{.RedirectURI}}" class="ui basic primary inline button">Cancel</a>
</form>
</div>
</div>
</div>
</div>
{{template "base/footer" .}}

View File

@ -0,0 +1,16 @@
{{template "base/head" .}}
{{if .IsRepo}}<div class="repository">{{template "repo/header" .}}</div>{{end}}
<div class="ui one column stackable center aligned page grid oauth2-authorize-application-box">
<div class="column seven wide">
<div class="ui middle centered raised segments">
<h1 class="ui top attached header">
{{.i18n.Tr "auth.authorization_failed" }}
</h1>
<h3 class="ui attached segment">{{.Error.ErrorDescription}}</h3>
<div class="ui attached segment">
<p>{{.i18n.Tr "auth.authorization_failed_desc"}}</p>
</div>
</div>
</div>
</div>
{{template "base/footer" .}}

View File

@ -45,6 +45,10 @@
</button> </button>
</form> </form>
</div> </div>
{{if .EnableOAuth2}}
{{template "user/settings/applications_oauth2" .}}
{{end}}
</div> </div>
</div> </div>

View File

@ -0,0 +1,58 @@
<h4 class="ui top attached header">
{{.i18n.Tr "settings.manage_oauth2_applications"}}
</h4>
<div class="ui attached segment">
<div class="ui key list">
<div class="item">
{{.i18n.Tr "settings.oauth2_application_create_description"}}
</div>
{{range $app := .Applications}}
<div class="item">
<div class="right floated content">
<a href="{{$.Link}}/oauth2/{{$app.ID}}" class="ui primary tiny icon button">
<i class="pencil alternate icon"></i>
{{$.i18n.Tr "settings.oauth2_application_edit"}}
</a>
<button class="ui red tiny button delete-button" id="remove-gitea-oauth2-application"
data-url="{{AppSubUrl}}/user/settings/applications/oauth2/delete"
data-id="{{$app.ID}}">
{{$.i18n.Tr "settings.delete_key"}}
</button>
</div>
<div class="content">
<strong>{{$app.Name}}</strong>
</div>
</div>
{{end}}
</div>
</div>
<div class="ui attached bottom segment">
<h5 class="ui top header">
{{.i18n.Tr "settings.create_oauth2_application" }}
</h5>
<form class="ui form ignore-dirty" action="{{.Link}}/oauth2" method="post">
{{.CsrfTokenHtml}}
<div class="field {{if .Err_AppName}}error{{end}}">
<label for="application-name">{{.i18n.Tr "settings.oauth2_application_name"}}</label>
<input id="application-name" name="application_name" value="{{.application_name}}" required>
</div>
<div class="field {{if .Err_RedirectURI}}error{{end}}">
<label for="redirect-uri">{{.i18n.Tr "settings.oauth2_redirect_uri"}}</label>
<input type="url" name="redirect_uri" id="redirect-uri">
</div>
<button class="ui green button">
{{.i18n.Tr "settings.create_oauth2_application_button"}}
</button>
</form>
</div>
<div class="ui small basic delete modal" id="remove-gitea-oauth2-application">
<div class="ui icon header">
<i class="trash icon"></i>
{{.i18n.Tr "settings.remove_oauth2_application"}}
</div>
<div class="content">
<p>{{.i18n.Tr "settings.oauth2_application_remove_description"}}</p>
</div>
{{template "base/delete_modal_actions" .}}
</div>

View File

@ -0,0 +1,66 @@
{{template "base/head" .}}
<div class="user settings applications">
{{template "user/settings/navbar" .}}
<div class="ui container">
{{template "base/alert" .}}
<h4 class="ui top attached header">
{{.i18n.Tr "settings.edit_oauth2_application"}}
</h4>
<div class="ui attached segment">
{{template "base/alert" .}}
<p>{{.i18n.Tr "settings.oauth2_application_create_description"}}</p>
</div>
<div class="ui attached segment form ignore-dirty">
{{.CsrfTokenHtml}}
<div class="field">
<label for="client-id">{{.i18n.Tr "settings.oauth2_client_id"}}</label>
<input id="client-id" readonly value="{{.App.ClientID}}">
</div>
{{if .ClientSecret}}
<div class="field">
<label for="client-secret">{{.i18n.Tr "settings.oauth2_client_secret"}}</label>
<input id="client-secret" type="text" readonly value="{{.ClientSecret}}">
</div>
{{else}}
<div class="field">
<label for="client-secret">{{.i18n.Tr "settings.oauth2_client_secret"}}</label>
<input id="client-secret" type="password" readonly value="averysecuresecret">
</div>
{{end}}
<div class="item">
<!-- TODO add regenerate secret functionality */ -->
{{.i18n.Tr "settings.oauth2_regenerate_secret_hint"}}
<a onclick="alert('Not yet implemented.')">{{.i18n.Tr "settings.oauth2_regenerate_secret"}}</a>
</div>
</div>
<div class="ui attached bottom segment">
<form class="ui form ignore-dirty" action="{{$.AppSubURL}}/user/settings/applications/oauth2/{{.App.ID}}" method="post">
{{.CsrfTokenHtml}}
<div class="field {{if .Err_AppName}}error{{end}}">
<label for="application-name">{{.i18n.Tr "settings.oauth2_application_name"}}</label>
<input id="application-name" value="{{.App.Name}}" name="application_name" required>
</div>
<div class="field {{if .Err_RedirectURI}}error{{end}}">
<label for="redirect-uri">{{.i18n.Tr "settings.oauth2_redirect_uri"}}</label>
<input type="url" name="redirect_uri" value="{{.App.PrimaryRedirectURI}}" id="redirect-uri">
</div>
<button class="ui green button">
{{.i18n.Tr "settings.save_application"}}
</button>
</form>
</div>
</div>
</div>
<div class="ui small basic delete modal" id="delete-oauth2-application">
<div class="ui icon header">
<i class="trash icon"></i>
{{.i18n.Tr "settings.remove_oauth2_application"}}
</div>
<div class="content">
<p>{{.i18n.Tr "settings.remove_oauth2_application_desc"}}</p>
</div>
{{template "base/delete_modal_actions" .}}
</div>
{{template "base/footer" .}}

35
vendor/golang.org/x/crypto/bcrypt/base64.go generated vendored Normal file
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// Copyright 2011 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 bcrypt
import "encoding/base64"
const alphabet = "./ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
var bcEncoding = base64.NewEncoding(alphabet)
func base64Encode(src []byte) []byte {
n := bcEncoding.EncodedLen(len(src))
dst := make([]byte, n)
bcEncoding.Encode(dst, src)
for dst[n-1] == '=' {
n--
}
return dst[:n]
}
func base64Decode(src []byte) ([]byte, error) {
numOfEquals := 4 - (len(src) % 4)
for i := 0; i < numOfEquals; i++ {
src = append(src, '=')
}
dst := make([]byte, bcEncoding.DecodedLen(len(src)))
n, err := bcEncoding.Decode(dst, src)
if err != nil {
return nil, err
}
return dst[:n], nil
}

295
vendor/golang.org/x/crypto/bcrypt/bcrypt.go generated vendored Normal file
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// Copyright 2011 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 bcrypt implements Provos and Mazières's bcrypt adaptive hashing
// algorithm. See http://www.usenix.org/event/usenix99/provos/provos.pdf
package bcrypt // import "golang.org/x/crypto/bcrypt"
// The code is a port of Provos and Mazières's C implementation.
import (
"crypto/rand"
"crypto/subtle"
"errors"
"fmt"
"io"
"strconv"
"golang.org/x/crypto/blowfish"
)
const (
MinCost int = 4 // the minimum allowable cost as passed in to GenerateFromPassword
MaxCost int = 31 // the maximum allowable cost as passed in to GenerateFromPassword
DefaultCost int = 10 // the cost that will actually be set if a cost below MinCost is passed into GenerateFromPassword
)
// The error returned from CompareHashAndPassword when a password and hash do
// not match.
var ErrMismatchedHashAndPassword = errors.New("crypto/bcrypt: hashedPassword is not the hash of the given password")
// The error returned from CompareHashAndPassword when a hash is too short to
// be a bcrypt hash.
var ErrHashTooShort = errors.New("crypto/bcrypt: hashedSecret too short to be a bcrypted password")
// The error returned from CompareHashAndPassword when a hash was created with
// a bcrypt algorithm newer than this implementation.
type HashVersionTooNewError byte
func (hv HashVersionTooNewError) Error() string {
return fmt.Sprintf("crypto/bcrypt: bcrypt algorithm version '%c' requested is newer than current version '%c'", byte(hv), majorVersion)
}
// The error returned from CompareHashAndPassword when a hash starts with something other than '$'
type InvalidHashPrefixError byte
func (ih InvalidHashPrefixError) Error() string {
return fmt.Sprintf("crypto/bcrypt: bcrypt hashes must start with '$', but hashedSecret started with '%c'", byte(ih))
}
type InvalidCostError int
func (ic InvalidCostError) Error() string {
return fmt.Sprintf("crypto/bcrypt: cost %d is outside allowed range (%d,%d)", int(ic), int(MinCost), int(MaxCost))
}
const (
majorVersion = '2'
minorVersion = 'a'
maxSaltSize = 16
maxCryptedHashSize = 23
encodedSaltSize = 22
encodedHashSize = 31
minHashSize = 59
)
// magicCipherData is an IV for the 64 Blowfish encryption calls in
// bcrypt(). It's the string "OrpheanBeholderScryDoubt" in big-endian bytes.
var magicCipherData = []byte{
0x4f, 0x72, 0x70, 0x68,
0x65, 0x61, 0x6e, 0x42,
0x65, 0x68, 0x6f, 0x6c,
0x64, 0x65, 0x72, 0x53,
0x63, 0x72, 0x79, 0x44,
0x6f, 0x75, 0x62, 0x74,
}
type hashed struct {
hash []byte
salt []byte
cost int // allowed range is MinCost to MaxCost
major byte
minor byte
}
// GenerateFromPassword returns the bcrypt hash of the password at the given
// cost. If the cost given is less than MinCost, the cost will be set to
// DefaultCost, instead. Use CompareHashAndPassword, as defined in this package,
// to compare the returned hashed password with its cleartext version.
func GenerateFromPassword(password []byte, cost int) ([]byte, error) {
p, err := newFromPassword(password, cost)
if err != nil {
return nil, err
}
return p.Hash(), nil
}
// CompareHashAndPassword compares a bcrypt hashed password with its possible
// plaintext equivalent. Returns nil on success, or an error on failure.
func CompareHashAndPassword(hashedPassword, password []byte) error {
p, err := newFromHash(hashedPassword)
if err != nil {
return err
}
otherHash, err := bcrypt(password, p.cost, p.salt)
if err != nil {
return err
}
otherP := &hashed{otherHash, p.salt, p.cost, p.major, p.minor}
if subtle.ConstantTimeCompare(p.Hash(), otherP.Hash()) == 1 {
return nil
}
return ErrMismatchedHashAndPassword
}
// Cost returns the hashing cost used to create the given hashed
// password. When, in the future, the hashing cost of a password system needs
// to be increased in order to adjust for greater computational power, this
// function allows one to establish which passwords need to be updated.
func Cost(hashedPassword []byte) (int, error) {
p, err := newFromHash(hashedPassword)
if err != nil {
return 0, err
}
return p.cost, nil
}
func newFromPassword(password []byte, cost int) (*hashed, error) {
if cost < MinCost {
cost = DefaultCost
}
p := new(hashed)
p.major = majorVersion
p.minor = minorVersion
err := checkCost(cost)
if err != nil {
return nil, err
}
p.cost = cost
unencodedSalt := make([]byte, maxSaltSize)
_, err = io.ReadFull(rand.Reader, unencodedSalt)
if err != nil {
return nil, err
}
p.salt = base64Encode(unencodedSalt)
hash, err := bcrypt(password, p.cost, p.salt)
if err != nil {
return nil, err
}
p.hash = hash
return p, err
}
func newFromHash(hashedSecret []byte) (*hashed, error) {
if len(hashedSecret) < minHashSize {
return nil, ErrHashTooShort
}
p := new(hashed)
n, err := p.decodeVersion(hashedSecret)
if err != nil {
return nil, err
}
hashedSecret = hashedSecret[n:]
n, err = p.decodeCost(hashedSecret)
if err != nil {
return nil, err
}
hashedSecret = hashedSecret[n:]
// The "+2" is here because we'll have to append at most 2 '=' to the salt
// when base64 decoding it in expensiveBlowfishSetup().
p.salt = make([]byte, encodedSaltSize, encodedSaltSize+2)
copy(p.salt, hashedSecret[:encodedSaltSize])
hashedSecret = hashedSecret[encodedSaltSize:]
p.hash = make([]byte, len(hashedSecret))
copy(p.hash, hashedSecret)
return p, nil
}
func bcrypt(password []byte, cost int, salt []byte) ([]byte, error) {
cipherData := make([]byte, len(magicCipherData))
copy(cipherData, magicCipherData)
c, err := expensiveBlowfishSetup(password, uint32(cost), salt)
if err != nil {
return nil, err
}
for i := 0; i < 24; i += 8 {
for j := 0; j < 64; j++ {
c.Encrypt(cipherData[i:i+8], cipherData[i:i+8])
}
}
// Bug compatibility with C bcrypt implementations. We only encode 23 of
// the 24 bytes encrypted.
hsh := base64Encode(cipherData[:maxCryptedHashSize])
return hsh, nil
}
func expensiveBlowfishSetup(key []byte, cost uint32, salt []byte) (*blowfish.Cipher, error) {
csalt, err := base64Decode(salt)
if err != nil {
return nil, err
}
// Bug compatibility with C bcrypt implementations. They use the trailing
// NULL in the key string during expansion.
// We copy the key to prevent changing the underlying array.
ckey := append(key[:len(key):len(key)], 0)
c, err := blowfish.NewSaltedCipher(ckey, csalt)
if err != nil {
return nil, err
}
var i, rounds uint64
rounds = 1 << cost
for i = 0; i < rounds; i++ {
blowfish.ExpandKey(ckey, c)
blowfish.ExpandKey(csalt, c)
}
return c, nil
}
func (p *hashed) Hash() []byte {
arr := make([]byte, 60)
arr[0] = '$'
arr[1] = p.major
n := 2
if p.minor != 0 {
arr[2] = p.minor
n = 3
}
arr[n] = '$'
n++
copy(arr[n:], []byte(fmt.Sprintf("%02d", p.cost)))
n += 2
arr[n] = '$'
n++
copy(arr[n:], p.salt)
n += encodedSaltSize
copy(arr[n:], p.hash)
n += encodedHashSize
return arr[:n]
}
func (p *hashed) decodeVersion(sbytes []byte) (int, error) {
if sbytes[0] != '$' {
return -1, InvalidHashPrefixError(sbytes[0])
}
if sbytes[1] > majorVersion {
return -1, HashVersionTooNewError(sbytes[1])
}
p.major = sbytes[1]
n := 3
if sbytes[2] != '$' {
p.minor = sbytes[2]
n++
}
return n, nil
}
// sbytes should begin where decodeVersion left off.
func (p *hashed) decodeCost(sbytes []byte) (int, error) {
cost, err := strconv.Atoi(string(sbytes[0:2]))
if err != nil {
return -1, err
}
err = checkCost(cost)
if err != nil {
return -1, err
}
p.cost = cost
return 3, nil
}
func (p *hashed) String() string {
return fmt.Sprintf("&{hash: %#v, salt: %#v, cost: %d, major: %c, minor: %c}", string(p.hash), p.salt, p.cost, p.major, p.minor)
}
func checkCost(cost int) error {
if cost < MinCost || cost > MaxCost {
return InvalidCostError(cost)
}
return nil
}

159
vendor/golang.org/x/crypto/blowfish/block.go generated vendored Normal file
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// Copyright 2010 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 blowfish
// getNextWord returns the next big-endian uint32 value from the byte slice
// at the given position in a circular manner, updating the position.
func getNextWord(b []byte, pos *int) uint32 {
var w uint32
j := *pos
for i := 0; i < 4; i++ {
w = w<<8 | uint32(b[j])
j++
if j >= len(b) {
j = 0
}
}
*pos = j
return w
}
// ExpandKey performs a key expansion on the given *Cipher. Specifically, it
// performs the Blowfish algorithm's key schedule which sets up the *Cipher's
// pi and substitution tables for calls to Encrypt. This is used, primarily,
// by the bcrypt package to reuse the Blowfish key schedule during its
// set up. It's unlikely that you need to use this directly.
func ExpandKey(key []byte, c *Cipher) {
j := 0
for i := 0; i < 18; i++ {
// Using inlined getNextWord for performance.
var d uint32
for k := 0; k < 4; k++ {
d = d<<8 | uint32(key[j])
j++
if j >= len(key) {
j = 0
}
}
c.p[i] ^= d
}
var l, r uint32
for i := 0; i < 18; i += 2 {
l, r = encryptBlock(l, r, c)
c.p[i], c.p[i+1] = l, r
}
for i := 0; i < 256; i += 2 {
l, r = encryptBlock(l, r, c)
c.s0[i], c.s0[i+1] = l, r
}
for i := 0; i < 256; i += 2 {
l, r = encryptBlock(l, r, c)
c.s1[i], c.s1[i+1] = l, r
}
for i := 0; i < 256; i += 2 {
l, r = encryptBlock(l, r, c)
c.s2[i], c.s2[i+1] = l, r
}
for i := 0; i < 256; i += 2 {
l, r = encryptBlock(l, r, c)
c.s3[i], c.s3[i+1] = l, r
}
}
// This is similar to ExpandKey, but folds the salt during the key
// schedule. While ExpandKey is essentially expandKeyWithSalt with an all-zero
// salt passed in, reusing ExpandKey turns out to be a place of inefficiency
// and specializing it here is useful.
func expandKeyWithSalt(key []byte, salt []byte, c *Cipher) {
j := 0
for i := 0; i < 18; i++ {
c.p[i] ^= getNextWord(key, &j)
}
j = 0
var l, r uint32
for i := 0; i < 18; i += 2 {
l ^= getNextWord(salt, &j)
r ^= getNextWord(salt, &j)
l, r = encryptBlock(l, r, c)
c.p[i], c.p[i+1] = l, r
}
for i := 0; i < 256; i += 2 {
l ^= getNextWord(salt, &j)
r ^= getNextWord(salt, &j)
l, r = encryptBlock(l, r, c)
c.s0[i], c.s0[i+1] = l, r
}
for i := 0; i < 256; i += 2 {
l ^= getNextWord(salt, &j)
r ^= getNextWord(salt, &j)
l, r = encryptBlock(l, r, c)
c.s1[i], c.s1[i+1] = l, r
}
for i := 0; i < 256; i += 2 {
l ^= getNextWord(salt, &j)
r ^= getNextWord(salt, &j)
l, r = encryptBlock(l, r, c)
c.s2[i], c.s2[i+1] = l, r
}
for i := 0; i < 256; i += 2 {
l ^= getNextWord(salt, &j)
r ^= getNextWord(salt, &j)
l, r = encryptBlock(l, r, c)
c.s3[i], c.s3[i+1] = l, r
}
}
func encryptBlock(l, r uint32, c *Cipher) (uint32, uint32) {
xl, xr := l, r
xl ^= c.p[0]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[1]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[2]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[3]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[4]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[5]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[6]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[7]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[8]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[9]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[10]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[11]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[12]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[13]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[14]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[15]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[16]
xr ^= c.p[17]
return xr, xl
}
func decryptBlock(l, r uint32, c *Cipher) (uint32, uint32) {
xl, xr := l, r
xl ^= c.p[17]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[16]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[15]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[14]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[13]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[12]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[11]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[10]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[9]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[8]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[7]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[6]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[5]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[4]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[3]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[2]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[1]
xr ^= c.p[0]
return xr, xl
}

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// Copyright 2010 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 blowfish implements Bruce Schneier's Blowfish encryption algorithm.
package blowfish // import "golang.org/x/crypto/blowfish"
// The code is a port of Bruce Schneier's C implementation.
// See https://www.schneier.com/blowfish.html.
import "strconv"
// The Blowfish block size in bytes.
const BlockSize = 8
// A Cipher is an instance of Blowfish encryption using a particular key.
type Cipher struct {
p [18]uint32
s0, s1, s2, s3 [256]uint32
}
type KeySizeError int
func (k KeySizeError) Error() string {
return "crypto/blowfish: invalid key size " + strconv.Itoa(int(k))
}
// NewCipher creates and returns a Cipher.
// The key argument should be the Blowfish key, from 1 to 56 bytes.
func NewCipher(key []byte) (*Cipher, error) {
var result Cipher
if k := len(key); k < 1 || k > 56 {
return nil, KeySizeError(k)
}
initCipher(&result)
ExpandKey(key, &result)
return &result, nil
}
// NewSaltedCipher creates a returns a Cipher that folds a salt into its key
// schedule. For most purposes, NewCipher, instead of NewSaltedCipher, is
// sufficient and desirable. For bcrypt compatibility, the key can be over 56
// bytes.
func NewSaltedCipher(key, salt []byte) (*Cipher, error) {
if len(salt) == 0 {
return NewCipher(key)
}
var result Cipher
if k := len(key); k < 1 {
return nil, KeySizeError(k)
}
initCipher(&result)
expandKeyWithSalt(key, salt, &result)
return &result, nil
}
// BlockSize returns the Blowfish block size, 8 bytes.
// It is necessary to satisfy the Block interface in the
// package "crypto/cipher".
func (c *Cipher) BlockSize() int { return BlockSize }
// Encrypt encrypts the 8-byte buffer src using the key k
// and stores the result in dst.
// Note that for amounts of data larger than a block,
// it is not safe to just call Encrypt on successive blocks;
// instead, use an encryption mode like CBC (see crypto/cipher/cbc.go).
func (c *Cipher) Encrypt(dst, src []byte) {
l := uint32(src[0])<<24 | uint32(src[1])<<16 | uint32(src[2])<<8 | uint32(src[3])
r := uint32(src[4])<<24 | uint32(src[5])<<16 | uint32(src[6])<<8 | uint32(src[7])
l, r = encryptBlock(l, r, c)
dst[0], dst[1], dst[2], dst[3] = byte(l>>24), byte(l>>16), byte(l>>8), byte(l)
dst[4], dst[5], dst[6], dst[7] = byte(r>>24), byte(r>>16), byte(r>>8), byte(r)
}
// Decrypt decrypts the 8-byte buffer src using the key k
// and stores the result in dst.
func (c *Cipher) Decrypt(dst, src []byte) {
l := uint32(src[0])<<24 | uint32(src[1])<<16 | uint32(src[2])<<8 | uint32(src[3])
r := uint32(src[4])<<24 | uint32(src[5])<<16 | uint32(src[6])<<8 | uint32(src[7])
l, r = decryptBlock(l, r, c)
dst[0], dst[1], dst[2], dst[3] = byte(l>>24), byte(l>>16), byte(l>>8), byte(l)
dst[4], dst[5], dst[6], dst[7] = byte(r>>24), byte(r>>16), byte(r>>8), byte(r)
}
func initCipher(c *Cipher) {
copy(c.p[0:], p[0:])
copy(c.s0[0:], s0[0:])
copy(c.s1[0:], s1[0:])
copy(c.s2[0:], s2[0:])
copy(c.s3[0:], s3[0:])
}

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// Copyright 2010 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.
// The startup permutation array and substitution boxes.
// They are the hexadecimal digits of PI; see:
// https://www.schneier.com/code/constants.txt.
package blowfish
var s0 = [256]uint32{
0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7, 0xb8e1afed, 0x6a267e96,
0xba7c9045, 0xf12c7f99, 0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16,
0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e, 0x0d95748f, 0x728eb658,
0x718bcd58, 0x82154aee, 0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013,
0xc5d1b023, 0x286085f0, 0xca417918, 0xb8db38ef, 0x8e79dcb0, 0x603a180e,
0x6c9e0e8b, 0xb01e8a3e, 0xd71577c1, 0xbd314b27, 0x78af2fda, 0x55605c60,
0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440, 0x55ca396a, 0x2aab10b6,
0xb4cc5c34, 0x1141e8ce, 0xa15486af, 0x7c72e993, 0xb3ee1411, 0x636fbc2a,
0x2ba9c55d, 0x741831f6, 0xce5c3e16, 0x9b87931e, 0xafd6ba33, 0x6c24cf5c,
0x7a325381, 0x28958677, 0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193,
0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032, 0xef845d5d, 0xe98575b1,
0xdc262302, 0xeb651b88, 0x23893e81, 0xd396acc5, 0x0f6d6ff3, 0x83f44239,
0x2e0b4482, 0xa4842004, 0x69c8f04a, 0x9e1f9b5e, 0x21c66842, 0xf6e96c9a,
0x670c9c61, 0xabd388f0, 0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3,
0x6eef0b6c, 0x137a3be4, 0xba3bf050, 0x7efb2a98, 0xa1f1651d, 0x39af0176,
0x66ca593e, 0x82430e88, 0x8cee8619, 0x456f9fb4, 0x7d84a5c3, 0x3b8b5ebe,
0xe06f75d8, 0x85c12073, 0x401a449f, 0x56c16aa6, 0x4ed3aa62, 0x363f7706,
0x1bfedf72, 0x429b023d, 0x37d0d724, 0xd00a1248, 0xdb0fead3, 0x49f1c09b,
0x075372c9, 0x80991b7b, 0x25d479d8, 0xf6e8def7, 0xe3fe501a, 0xb6794c3b,
0x976ce0bd, 0x04c006ba, 0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, 0x196a2463,
0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, 0x3b52ec6f, 0x6dfc511f, 0x9b30952c,
0xcc814544, 0xaf5ebd09, 0xbee3d004, 0xde334afd, 0x660f2807, 0x192e4bb3,
0xc0cba857, 0x45c8740f, 0xd20b5f39, 0xb9d3fbdb, 0x5579c0bd, 0x1a60320a,
0xd6a100c6, 0x402c7279, 0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, 0xdb3222f8,
0x3c7516df, 0xfd616b15, 0x2f501ec8, 0xad0552ab, 0x323db5fa, 0xfd238760,
0x53317b48, 0x3e00df82, 0x9e5c57bb, 0xca6f8ca0, 0x1a87562e, 0xdf1769db,
0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573, 0x695b27b0, 0xbbca58c8,
0xe1ffa35d, 0xb8f011a0, 0x10fa3d98, 0xfd2183b8, 0x4afcb56c, 0x2dd1d35b,
0x9a53e479, 0xb6f84565, 0xd28e49bc, 0x4bfb9790, 0xe1ddf2da, 0xa4cb7e33,
0x62fb1341, 0xcee4c6e8, 0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bf11fb4,
0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0, 0xd08ed1d0, 0xafc725e0,
0x8e3c5b2f, 0x8e7594b7, 0x8ff6e2fb, 0xf2122b64, 0x8888b812, 0x900df01c,
0x4fad5ea0, 0x688fc31c, 0xd1cff191, 0xb3a8c1ad, 0x2f2f2218, 0xbe0e1777,
0xea752dfe, 0x8b021fa1, 0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, 0xce89e299,
0xb4a84fe0, 0xfd13e0b7, 0x7cc43b81, 0xd2ada8d9, 0x165fa266, 0x80957705,
0x93cc7314, 0x211a1477, 0xe6ad2065, 0x77b5fa86, 0xc75442f5, 0xfb9d35cf,
0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, 0xae1e7e49, 0x00250e2d, 0x2071b35e,
0x226800bb, 0x57b8e0af, 0x2464369b, 0xf009b91e, 0x5563911d, 0x59dfa6aa,
0x78c14389, 0xd95a537f, 0x207d5ba2, 0x02e5b9c5, 0x83260376, 0x6295cfa9,
0x11c81968, 0x4e734a41, 0xb3472dca, 0x7b14a94a, 0x1b510052, 0x9a532915,
0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400, 0x08ba6fb5, 0x571be91f,
0xf296ec6b, 0x2a0dd915, 0xb6636521, 0xe7b9f9b6, 0xff34052e, 0xc5855664,
0x53b02d5d, 0xa99f8fa1, 0x08ba4799, 0x6e85076a,
}
var s1 = [256]uint32{
0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623, 0xad6ea6b0, 0x49a7df7d,
0x9cee60b8, 0x8fedb266, 0xecaa8c71, 0x699a17ff, 0x5664526c, 0xc2b19ee1,
0x193602a5, 0x75094c29, 0xa0591340, 0xe4183a3e, 0x3f54989a, 0x5b429d65,
0x6b8fe4d6, 0x99f73fd6, 0xa1d29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dc1,
0x4cdd2086, 0x8470eb26, 0x6382e9c6, 0x021ecc5e, 0x09686b3f, 0x3ebaefc9,
0x3c971814, 0x6b6a70a1, 0x687f3584, 0x52a0e286, 0xb79c5305, 0xaa500737,
0x3e07841c, 0x7fdeae5c, 0x8e7d44ec, 0x5716f2b8, 0xb03ada37, 0xf0500c0d,
0xf01c1f04, 0x0200b3ff, 0xae0cf51a, 0x3cb574b2, 0x25837a58, 0xdc0921bd,
0xd19113f9, 0x7ca92ff6, 0x94324773, 0x22f54701, 0x3ae5e581, 0x37c2dadc,
0xc8b57634, 0x9af3dda7, 0xa9446146, 0x0fd0030e, 0xecc8c73e, 0xa4751e41,
0xe238cd99, 0x3bea0e2f, 0x3280bba1, 0x183eb331, 0x4e548b38, 0x4f6db908,
0x6f420d03, 0xf60a04bf, 0x2cb81290, 0x24977c79, 0x5679b072, 0xbcaf89af,
0xde9a771f, 0xd9930810, 0xb38bae12, 0xdccf3f2e, 0x5512721f, 0x2e6b7124,
0x501adde6, 0x9f84cd87, 0x7a584718, 0x7408da17, 0xbc9f9abc, 0xe94b7d8c,
0xec7aec3a, 0xdb851dfa, 0x63094366, 0xc464c3d2, 0xef1c1847, 0x3215d908,
0xdd433b37, 0x24c2ba16, 0x12a14d43, 0x2a65c451, 0x50940002, 0x133ae4dd,
0x71dff89e, 0x10314e55, 0x81ac77d6, 0x5f11199b, 0x043556f1, 0xd7a3c76b,
0x3c11183b, 0x5924a509, 0xf28fe6ed, 0x97f1fbfa, 0x9ebabf2c, 0x1e153c6e,
0x86e34570, 0xeae96fb1, 0x860e5e0a, 0x5a3e2ab3, 0x771fe71c, 0x4e3d06fa,
0x2965dcb9, 0x99e71d0f, 0x803e89d6, 0x5266c825, 0x2e4cc978, 0x9c10b36a,
0xc6150eba, 0x94e2ea78, 0xa5fc3c53, 0x1e0a2df4, 0xf2f74ea7, 0x361d2b3d,
0x1939260f, 0x19c27960, 0x5223a708, 0xf71312b6, 0xebadfe6e, 0xeac31f66,
0xe3bc4595, 0xa67bc883, 0xb17f37d1, 0x018cff28, 0xc332ddef, 0xbe6c5aa5,
0x65582185, 0x68ab9802, 0xeecea50f, 0xdb2f953b, 0x2aef7dad, 0x5b6e2f84,
0x1521b628, 0x29076170, 0xecdd4775, 0x619f1510, 0x13cca830, 0xeb61bd96,
0x0334fe1e, 0xaa0363cf, 0xb5735c90, 0x4c70a239, 0xd59e9e0b, 0xcbaade14,
0xeecc86bc, 0x60622ca7, 0x9cab5cab, 0xb2f3846e, 0x648b1eaf, 0x19bdf0ca,
0xa02369b9, 0x655abb50, 0x40685a32, 0x3c2ab4b3, 0x319ee9d5, 0xc021b8f7,
0x9b540b19, 0x875fa099, 0x95f7997e, 0x623d7da8, 0xf837889a, 0x97e32d77,
0x11ed935f, 0x16681281, 0x0e358829, 0xc7e61fd6, 0x96dedfa1, 0x7858ba99,
0x57f584a5, 0x1b227263, 0x9b83c3ff, 0x1ac24696, 0xcdb30aeb, 0x532e3054,
0x8fd948e4, 0x6dbc3128, 0x58ebf2ef, 0x34c6ffea, 0xfe28ed61, 0xee7c3c73,
0x5d4a14d9, 0xe864b7e3, 0x42105d14, 0x203e13e0, 0x45eee2b6, 0xa3aaabea,
0xdb6c4f15, 0xfacb4fd0, 0xc742f442, 0xef6abbb5, 0x654f3b1d, 0x41cd2105,
0xd81e799e, 0x86854dc7, 0xe44b476a, 0x3d816250, 0xcf62a1f2, 0x5b8d2646,
0xfc8883a0, 0xc1c7b6a3, 0x7f1524c3, 0x69cb7492, 0x47848a0b, 0x5692b285,
0x095bbf00, 0xad19489d, 0x1462b174, 0x23820e00, 0x58428d2a, 0x0c55f5ea,
0x1dadf43e, 0x233f7061, 0x3372f092, 0x8d937e41, 0xd65fecf1, 0x6c223bdb,
0x7cde3759, 0xcbee7460, 0x4085f2a7, 0xce77326e, 0xa6078084, 0x19f8509e,
0xe8efd855, 0x61d99735, 0xa969a7aa, 0xc50c06c2, 0x5a04abfc, 0x800bcadc,
0x9e447a2e, 0xc3453484, 0xfdd56705, 0x0e1e9ec9, 0xdb73dbd3, 0x105588cd,
0x675fda79, 0xe3674340, 0xc5c43465, 0x713e38d8, 0x3d28f89e, 0xf16dff20,
0x153e21e7, 0x8fb03d4a, 0xe6e39f2b, 0xdb83adf7,
}
var s2 = [256]uint32{
0xe93d5a68, 0x948140f7, 0xf64c261c, 0x94692934, 0x411520f7, 0x7602d4f7,
0xbcf46b2e, 0xd4a20068, 0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af,
0x1e39f62e, 0x97244546, 0x14214f74, 0xbf8b8840, 0x4d95fc1d, 0x96b591af,
0x70f4ddd3, 0x66a02f45, 0xbfbc09ec, 0x03bd9785, 0x7fac6dd0, 0x31cb8504,
0x96eb27b3, 0x55fd3941, 0xda2547e6, 0xabca0a9a, 0x28507825, 0x530429f4,
0x0a2c86da, 0xe9b66dfb, 0x68dc1462, 0xd7486900, 0x680ec0a4, 0x27a18dee,
0x4f3ffea2, 0xe887ad8c, 0xb58ce006, 0x7af4d6b6, 0xaace1e7c, 0xd3375fec,
0xce78a399, 0x406b2a42, 0x20fe9e35, 0xd9f385b9, 0xee39d7ab, 0x3b124e8b,
0x1dc9faf7, 0x4b6d1856, 0x26a36631, 0xeae397b2, 0x3a6efa74, 0xdd5b4332,
0x6841e7f7, 0xca7820fb, 0xfb0af54e, 0xd8feb397, 0x454056ac, 0xba489527,
0x55533a3a, 0x20838d87, 0xfe6ba9b7, 0xd096954b, 0x55a867bc, 0xa1159a58,
0xcca92963, 0x99e1db33, 0xa62a4a56, 0x3f3125f9, 0x5ef47e1c, 0x9029317c,
0xfdf8e802, 0x04272f70, 0x80bb155c, 0x05282ce3, 0x95c11548, 0xe4c66d22,
0x48c1133f, 0xc70f86dc, 0x07f9c9ee, 0x41041f0f, 0x404779a4, 0x5d886e17,
0x325f51eb, 0xd59bc0d1, 0xf2bcc18f, 0x41113564, 0x257b7834, 0x602a9c60,
0xdff8e8a3, 0x1f636c1b, 0x0e12b4c2, 0x02e1329e, 0xaf664fd1, 0xcad18115,
0x6b2395e0, 0x333e92e1, 0x3b240b62, 0xeebeb922, 0x85b2a20e, 0xe6ba0d99,
0xde720c8c, 0x2da2f728, 0xd0127845, 0x95b794fd, 0x647d0862, 0xe7ccf5f0,
0x5449a36f, 0x877d48fa, 0xc39dfd27, 0xf33e8d1e, 0x0a476341, 0x992eff74,
0x3a6f6eab, 0xf4f8fd37, 0xa812dc60, 0xa1ebddf8, 0x991be14c, 0xdb6e6b0d,
0xc67b5510, 0x6d672c37, 0x2765d43b, 0xdcd0e804, 0xf1290dc7, 0xcc00ffa3,
0xb5390f92, 0x690fed0b, 0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, 0xd9155ea3,
0xbb132f88, 0x515bad24, 0x7b9479bf, 0x763bd6eb, 0x37392eb3, 0xcc115979,
0x8026e297, 0xf42e312d, 0x6842ada7, 0xc66a2b3b, 0x12754ccc, 0x782ef11c,
0x6a124237, 0xb79251e7, 0x06a1bbe6, 0x4bfb6350, 0x1a6b1018, 0x11caedfa,
0x3d25bdd8, 0xe2e1c3c9, 0x44421659, 0x0a121386, 0xd90cec6e, 0xd5abea2a,
0x64af674e, 0xda86a85f, 0xbebfe988, 0x64e4c3fe, 0x9dbc8057, 0xf0f7c086,
0x60787bf8, 0x6003604d, 0xd1fd8346, 0xf6381fb0, 0x7745ae04, 0xd736fccc,
0x83426b33, 0xf01eab71, 0xb0804187, 0x3c005e5f, 0x77a057be, 0xbde8ae24,
0x55464299, 0xbf582e61, 0x4e58f48f, 0xf2ddfda2, 0xf474ef38, 0x8789bdc2,
0x5366f9c3, 0xc8b38e74, 0xb475f255, 0x46fcd9b9, 0x7aeb2661, 0x8b1ddf84,
0x846a0e79, 0x915f95e2, 0x466e598e, 0x20b45770, 0x8cd55591, 0xc902de4c,
0xb90bace1, 0xbb8205d0, 0x11a86248, 0x7574a99e, 0xb77f19b6, 0xe0a9dc09,
0x662d09a1, 0xc4324633, 0xe85a1f02, 0x09f0be8c, 0x4a99a025, 0x1d6efe10,
0x1ab93d1d, 0x0ba5a4df, 0xa186f20f, 0x2868f169, 0xdcb7da83, 0x573906fe,
0xa1e2ce9b, 0x4fcd7f52, 0x50115e01, 0xa70683fa, 0xa002b5c4, 0x0de6d027,
0x9af88c27, 0x773f8641, 0xc3604c06, 0x61a806b5, 0xf0177a28, 0xc0f586e0,
0x006058aa, 0x30dc7d62, 0x11e69ed7, 0x2338ea63, 0x53c2dd94, 0xc2c21634,
0xbbcbee56, 0x90bcb6de, 0xebfc7da1, 0xce591d76, 0x6f05e409, 0x4b7c0188,
0x39720a3d, 0x7c927c24, 0x86e3725f, 0x724d9db9, 0x1ac15bb4, 0xd39eb8fc,
0xed545578, 0x08fca5b5, 0xd83d7cd3, 0x4dad0fc4, 0x1e50ef5e, 0xb161e6f8,
0xa28514d9, 0x6c51133c, 0x6fd5c7e7, 0x56e14ec4, 0x362abfce, 0xddc6c837,
0xd79a3234, 0x92638212, 0x670efa8e, 0x406000e0,
}
var s3 = [256]uint32{
0x3a39ce37, 0xd3faf5cf, 0xabc27737, 0x5ac52d1b, 0x5cb0679e, 0x4fa33742,
0xd3822740, 0x99bc9bbe, 0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, 0xc700c47b,
0xb78c1b6b, 0x21a19045, 0xb26eb1be, 0x6a366eb4, 0x5748ab2f, 0xbc946e79,
0xc6a376d2, 0x6549c2c8, 0x530ff8ee, 0x468dde7d, 0xd5730a1d, 0x4cd04dc6,
0x2939bbdb, 0xa9ba4650, 0xac9526e8, 0xbe5ee304, 0xa1fad5f0, 0x6a2d519a,
0x63ef8ce2, 0x9a86ee22, 0xc089c2b8, 0x43242ef6, 0xa51e03aa, 0x9cf2d0a4,
0x83c061ba, 0x9be96a4d, 0x8fe51550, 0xba645bd6, 0x2826a2f9, 0xa73a3ae1,
0x4ba99586, 0xef5562e9, 0xc72fefd3, 0xf752f7da, 0x3f046f69, 0x77fa0a59,
0x80e4a915, 0x87b08601, 0x9b09e6ad, 0x3b3ee593, 0xe990fd5a, 0x9e34d797,
0x2cf0b7d9, 0x022b8b51, 0x96d5ac3a, 0x017da67d, 0xd1cf3ed6, 0x7c7d2d28,
0x1f9f25cf, 0xadf2b89b, 0x5ad6b472, 0x5a88f54c, 0xe029ac71, 0xe019a5e6,
0x47b0acfd, 0xed93fa9b, 0xe8d3c48d, 0x283b57cc, 0xf8d56629, 0x79132e28,
0x785f0191, 0xed756055, 0xf7960e44, 0xe3d35e8c, 0x15056dd4, 0x88f46dba,
0x03a16125, 0x0564f0bd, 0xc3eb9e15, 0x3c9057a2, 0x97271aec, 0xa93a072a,
0x1b3f6d9b, 0x1e6321f5, 0xf59c66fb, 0x26dcf319, 0x7533d928, 0xb155fdf5,
0x03563482, 0x8aba3cbb, 0x28517711, 0xc20ad9f8, 0xabcc5167, 0xccad925f,
0x4de81751, 0x3830dc8e, 0x379d5862, 0x9320f991, 0xea7a90c2, 0xfb3e7bce,
0x5121ce64, 0x774fbe32, 0xa8b6e37e, 0xc3293d46, 0x48de5369, 0x6413e680,
0xa2ae0810, 0xdd6db224, 0x69852dfd, 0x09072166, 0xb39a460a, 0x6445c0dd,
0x586cdecf, 0x1c20c8ae, 0x5bbef7dd, 0x1b588d40, 0xccd2017f, 0x6bb4e3bb,
0xdda26a7e, 0x3a59ff45, 0x3e350a44, 0xbcb4cdd5, 0x72eacea8, 0xfa6484bb,
0x8d6612ae, 0xbf3c6f47, 0xd29be463, 0x542f5d9e, 0xaec2771b, 0xf64e6370,
0x740e0d8d, 0xe75b1357, 0xf8721671, 0xaf537d5d, 0x4040cb08, 0x4eb4e2cc,
0x34d2466a, 0x0115af84, 0xe1b00428, 0x95983a1d, 0x06b89fb4, 0xce6ea048,
0x6f3f3b82, 0x3520ab82, 0x011a1d4b, 0x277227f8, 0x611560b1, 0xe7933fdc,
0xbb3a792b, 0x344525bd, 0xa08839e1, 0x51ce794b, 0x2f32c9b7, 0xa01fbac9,
0xe01cc87e, 0xbcc7d1f6, 0xcf0111c3, 0xa1e8aac7, 0x1a908749, 0xd44fbd9a,
0xd0dadecb, 0xd50ada38, 0x0339c32a, 0xc6913667, 0x8df9317c, 0xe0b12b4f,
0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, 0x27d9459c, 0xbf97222c, 0x15e6fc2a,
0x0f91fc71, 0x9b941525, 0xfae59361, 0xceb69ceb, 0xc2a86459, 0x12baa8d1,
0xb6c1075e, 0xe3056a0c, 0x10d25065, 0xcb03a442, 0xe0ec6e0e, 0x1698db3b,
0x4c98a0be, 0x3278e964, 0x9f1f9532, 0xe0d392df, 0xd3a0342b, 0x8971f21e,
0x1b0a7441, 0x4ba3348c, 0xc5be7120, 0xc37632d8, 0xdf359f8d, 0x9b992f2e,
0xe60b6f47, 0x0fe3f11d, 0xe54cda54, 0x1edad891, 0xce6279cf, 0xcd3e7e6f,
0x1618b166, 0xfd2c1d05, 0x848fd2c5, 0xf6fb2299, 0xf523f357, 0xa6327623,
0x93a83531, 0x56cccd02, 0xacf08162, 0x5a75ebb5, 0x6e163697, 0x88d273cc,
0xde966292, 0x81b949d0, 0x4c50901b, 0x71c65614, 0xe6c6c7bd, 0x327a140a,
0x45e1d006, 0xc3f27b9a, 0xc9aa53fd, 0x62a80f00, 0xbb25bfe2, 0x35bdd2f6,
0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b, 0x53113ec0, 0x1640e3d3,
0x38abbd60, 0x2547adf0, 0xba38209c, 0xf746ce76, 0x77afa1c5, 0x20756060,
0x85cbfe4e, 0x8ae88dd8, 0x7aaaf9b0, 0x4cf9aa7e, 0x1948c25c, 0x02fb8a8c,
0x01c36ae4, 0xd6ebe1f9, 0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f,
0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6,
}
var p = [18]uint32{
0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344, 0xa4093822, 0x299f31d0,
0x082efa98, 0xec4e6c89, 0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c,
0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917, 0x9216d5d9, 0x8979fb1b,
}