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feat: add oidc for google login

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This commit is contained in:
Lakhan Samani 2021-12-03 22:55:27 +05:30
parent a9cf301344
commit 6ca37a0d50
6 changed files with 96 additions and 39 deletions
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1
server/go.mod
View File

@ -4,6 +4,7 @@ go 1.16
require (
github.com/99designs/gqlgen v0.13.0
github.com/coreos/go-oidc/v3 v3.1.0 // indirect
github.com/gin-contrib/location v0.0.2 // indirect
github.com/gin-gonic/gin v1.7.2
github.com/go-playground/validator/v10 v10.8.0 // indirect

5
server/go.sum
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@ -109,6 +109,8 @@ github.com/cockroachdb/apd v1.1.0 h1:3LFP3629v+1aKXU5Q37mxmRxX/pIu1nijXydLShEq5I
github.com/cockroachdb/apd v1.1.0/go.mod h1:8Sl8LxpKi29FqWXR16WEFZRNSz3SoPzUzeMeY4+DwBQ=
github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
github.com/coreos/go-oidc/v3 v3.1.0 h1:6avEvcdvTa1qYsOZ6I5PRkSYHzpTNWgKYmaJfaYbrRw=
github.com/coreos/go-oidc/v3 v3.1.0/go.mod h1:rEJ/idjfUyfkBit1eI1fvyr+64/g9dcKpAm8MJMesvo=
github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
@ -737,6 +739,7 @@ golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLL
golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
golang.org/x/net v0.0.0-20200501053045-e0ff5e5a1de5/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
golang.org/x/net v0.0.0-20200505041828-1ed23360d12c/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
golang.org/x/net v0.0.0-20200506145744-7e3656a0809f/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
golang.org/x/net v0.0.0-20200513185701-a91f0712d120/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
@ -1100,6 +1103,8 @@ gopkg.in/readline.v1 v1.0.0-20160726135117-62c6fe619375/go.mod h1:lNEQeAhU009zbR
gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
gopkg.in/sourcemap.v1 v1.0.5 h1:inv58fC9f9J3TK2Y2R1NPntXEn3/wjWHkonhIUODNTI=
gopkg.in/sourcemap.v1 v1.0.5/go.mod h1:2RlvNNSMglmRrcvhfuzp4hQHwOtjxlbjX7UPY/GXb78=
gopkg.in/square/go-jose.v2 v2.5.1 h1:7odma5RETjNHWJnR32wx8t+Io4djHE1PqxCFx3iiZ2w=
gopkg.in/square/go-jose.v2 v2.5.1/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI=

47
server/handlers/oauthCallback.go
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@ -1,6 +1,7 @@
package handlers
import (
"context"
"encoding/json"
"fmt"
"io/ioutil"
@ -15,36 +16,50 @@ import (
"github.com/authorizerdev/authorizer/server/oauth"
"github.com/authorizerdev/authorizer/server/session"
"github.com/authorizerdev/authorizer/server/utils"
"github.com/coreos/go-oidc/v3/oidc"
"github.com/gin-gonic/gin"
"golang.org/x/oauth2"
)
func processGoogleUserInfo(code string) (db.User, error) {
user := db.User{}
token, err := oauth.OAuthProvider.GoogleConfig.Exchange(oauth2.NoContext, code)
ctx := context.Background()
oauth2Token, err := oauth.OAuthProviders.GoogleConfig.Exchange(ctx, code)
if err != nil {
return user, fmt.Errorf("invalid google exchange code: %s", err.Error())
}
client := oauth.OAuthProvider.GoogleConfig.Client(oauth2.NoContext, token)
response, err := client.Get(constants.GoogleUserInfoURL)
if err != nil {
return user, err
verifier := oauth.OIDCProviders.GoogleOIDC.Verifier(&oidc.Config{ClientID: oauth.OAuthProviders.GoogleConfig.ClientID})
// Extract the ID Token from OAuth2 token.
rawIDToken, ok := oauth2Token.Extra("id_token").(string)
if !ok {
return user, fmt.Errorf("unable to extract id_token")
}
defer response.Body.Close()
body, err := ioutil.ReadAll(response.Body)
// Parse and verify ID Token payload.
idToken, err := verifier.Verify(ctx, rawIDToken)
if err != nil {
return user, fmt.Errorf("failed to read google response body: %s", err.Error())
return user, fmt.Errorf("unable to verify id_token:", err.Error())
}
userRawData := make(map[string]string)
json.Unmarshal(body, &userRawData)
// Extract custom claims
var claims struct {
Email string `json:"email"`
Picture string `json:"picture"`
GivenName string `json:"given_name"`
FamilyName string `json:"family_name"`
Verified bool `json:"email_verified"`
}
if err := idToken.Claims(&claims); err != nil {
return user, fmt.Errorf("unable to extract claims")
}
user = db.User{
FirstName: userRawData["given_name"],
LastName: userRawData["family_name"],
Image: userRawData["picture"],
Email: userRawData["email"],
FirstName: claims.GivenName,
LastName: claims.FamilyName,
Image: claims.Picture,
Email: claims.Email,
EmailVerifiedAt: time.Now().Unix(),
}
@ -53,7 +68,7 @@ func processGoogleUserInfo(code string) (db.User, error) {
func processGithubUserInfo(code string) (db.User, error) {
user := db.User{}
token, err := oauth.OAuthProvider.GithubConfig.Exchange(oauth2.NoContext, code)
token, err := oauth.OAuthProviders.GithubConfig.Exchange(oauth2.NoContext, code)
if err != nil {
return user, fmt.Errorf("invalid github exchange code: %s", err.Error())
}
@ -102,7 +117,7 @@ func processGithubUserInfo(code string) (db.User, error) {
func processFacebookUserInfo(code string) (db.User, error) {
user := db.User{}
token, err := oauth.OAuthProvider.FacebookConfig.Exchange(oauth2.NoContext, code)
token, err := oauth.OAuthProviders.FacebookConfig.Exchange(oauth2.NoContext, code)
if err != nil {
return user, fmt.Errorf("invalid facebook exchange code: %s", err.Error())
}

32
server/handlers/oauthLogin.go
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@ -48,28 +48,46 @@ func OAuthLoginHandler() gin.HandlerFunc {
oauthStateString := uuid.String() + "___" + redirectURL + "___" + roles
provider := c.Param("oauth_provider")
isProviderConfigured := true
switch provider {
case enum.Google.String():
if oauth.OAuthProviders.GoogleConfig == nil {
isProviderConfigured = false
break
}
session.SetSocailLoginState(oauthStateString, enum.Google.String())
// during the init of OAuthProvider authorizer url might be empty
oauth.OAuthProvider.GoogleConfig.RedirectURL = constants.AUTHORIZER_URL + "/oauth_callback/google"
url := oauth.OAuthProvider.GoogleConfig.AuthCodeURL(oauthStateString)
oauth.OAuthProviders.GoogleConfig.RedirectURL = constants.AUTHORIZER_URL + "/oauth_callback/google"
url := oauth.OAuthProviders.GoogleConfig.AuthCodeURL(oauthStateString)
c.Redirect(http.StatusTemporaryRedirect, url)
case enum.Github.String():
if oauth.OAuthProviders.GithubConfig == nil {
isProviderConfigured = false
break
}
session.SetSocailLoginState(oauthStateString, enum.Github.String())
oauth.OAuthProvider.GithubConfig.RedirectURL = constants.AUTHORIZER_URL + "/oauth_callback/github"
url := oauth.OAuthProvider.GithubConfig.AuthCodeURL(oauthStateString)
oauth.OAuthProviders.GithubConfig.RedirectURL = constants.AUTHORIZER_URL + "/oauth_callback/github"
url := oauth.OAuthProviders.GithubConfig.AuthCodeURL(oauthStateString)
c.Redirect(http.StatusTemporaryRedirect, url)
case enum.Facebook.String():
if oauth.OAuthProviders.FacebookConfig == nil {
isProviderConfigured = false
break
}
session.SetSocailLoginState(oauthStateString, enum.Facebook.String())
oauth.OAuthProvider.FacebookConfig.RedirectURL = constants.AUTHORIZER_URL + "/oauth_callback/facebook"
url := oauth.OAuthProvider.FacebookConfig.AuthCodeURL(oauthStateString)
oauth.OAuthProviders.FacebookConfig.RedirectURL = constants.AUTHORIZER_URL + "/oauth_callback/facebook"
url := oauth.OAuthProviders.FacebookConfig.AuthCodeURL(oauthStateString)
c.Redirect(http.StatusTemporaryRedirect, url)
default:
c.JSON(422, gin.H{
"message": "Invalid oauth provider",
})
}
if !isProviderConfigured {
c.JSON(422, gin.H{
"message": provider + " not configured",
})
}
}
}

32
server/oauth/oauth.go
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@ -1,33 +1,49 @@
package oauth
import (
"context"
"log"
"github.com/authorizerdev/authorizer/server/constants"
"github.com/coreos/go-oidc/v3/oidc"
"golang.org/x/oauth2"
facebookOAuth2 "golang.org/x/oauth2/facebook"
githubOAuth2 "golang.org/x/oauth2/github"
googleOAuth2 "golang.org/x/oauth2/google"
)
type OAuthProviders struct {
type OAuthProvider struct {
GoogleConfig *oauth2.Config
GithubConfig *oauth2.Config
FacebookConfig *oauth2.Config
}
var OAuthProvider OAuthProviders
type OIDCProvider struct {
GoogleOIDC *oidc.Provider
}
var (
OAuthProviders OAuthProvider
OIDCProviders OIDCProvider
)
func InitOAuth() {
ctx := context.Background()
if constants.GOOGLE_CLIENT_ID != "" && constants.GOOGLE_CLIENT_SECRET != "" {
OAuthProvider.GoogleConfig = &oauth2.Config{
p, err := oidc.NewProvider(ctx, "https://accounts.google.com")
if err != nil {
log.Fatalln("error creating oidc provider for google:", err)
}
OIDCProviders.GoogleOIDC = p
OAuthProviders.GoogleConfig = &oauth2.Config{
ClientID: constants.GOOGLE_CLIENT_ID,
ClientSecret: constants.GOOGLE_CLIENT_SECRET,
RedirectURL: constants.AUTHORIZER_URL + "/oauth_callback/google",
Endpoint: googleOAuth2.Endpoint,
Scopes: []string{"https://www.googleapis.com/auth/userinfo.email", "https://www.googleapis.com/auth/userinfo.profile"},
Endpoint: OIDCProviders.GoogleOIDC.Endpoint(),
Scopes: []string{oidc.ScopeOpenID, "profile", "email"},
}
}
if constants.GITHUB_CLIENT_ID != "" && constants.GITHUB_CLIENT_SECRET != "" {
OAuthProvider.GithubConfig = &oauth2.Config{
OAuthProviders.GithubConfig = &oauth2.Config{
ClientID: constants.GITHUB_CLIENT_ID,
ClientSecret: constants.GITHUB_CLIENT_SECRET,
RedirectURL: constants.AUTHORIZER_URL + "/oauth_callback/github",
@ -35,7 +51,7 @@ func InitOAuth() {
}
}
if constants.FACEBOOK_CLIENT_ID != "" && constants.FACEBOOK_CLIENT_SECRET != "" {
OAuthProvider.FacebookConfig = &oauth2.Config{
OAuthProviders.FacebookConfig = &oauth2.Config{
ClientID: constants.FACEBOOK_CLIENT_ID,
ClientSecret: constants.FACEBOOK_CLIENT_SECRET,
RedirectURL: constants.AUTHORIZER_URL + "/oauth_callback/facebook",

2
server/resolvers/token.go
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@ -92,6 +92,8 @@ func Token(ctx context.Context, roles []string) (*model.AuthResponse, error) {
Roles: strings.Split(user.Roles, ","),
CreatedAt: &user.CreatedAt,
UpdatedAt: &user.UpdatedAt,
SignupMethod: user.SignupMethod,
EmailVerifiedAt: &user.EmailVerifiedAt,
},
}
return res, nil