@ -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) | |||||
} |
@ -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 |
@ -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 | |||||
@ -0,0 +1,6 @@ | |||||
- id: 1 | |||||
user_id: 1 | |||||
application_id: 1 | |||||
counter: 1 | |||||
created_unix: 1546869730 | |||||
updated_unix: 1546869730 |
@ -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) | |||||
} |
@ -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()) | |||||
} |
@ -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 | |||||
} |
@ -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) | |||||
} |
@ -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) | |||||
} |
@ -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", | |||||
}) | |||||
} |
@ -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" .}} |
@ -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" .}} |
@ -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> |
@ -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" .}} |
@ -0,0 +1,35 @@ | |||||
// 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 | |||||
} |
@ -0,0 +1,295 @@ | |||||
// 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 | |||||
} |
@ -0,0 +1,159 @@ | |||||
// 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 | |||||
} |
@ -0,0 +1,91 @@ | |||||
// 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:]) | |||||
} |
@ -0,0 +1,199 @@ | |||||
// 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, | |||||
} |