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// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package cmd
import (
"errors"
"fmt"
"net/url"
auth_model "code.gitea.io/gitea/models/auth"
"code.gitea.io/gitea/services/auth/source/oauth2"
"github.com/urfave/cli/v2"
)
var (
oauthCLIFlags = []cli.Flag{
&cli.StringFlag{
Name: "name",
Value: "",
Usage: "Application Name",
},
&cli.StringFlag{
Name: "provider",
Value: "",
Usage: "OAuth2 Provider",
},
&cli.StringFlag{
Name: "key",
Value: "",
Usage: "Client ID (Key)",
},
&cli.StringFlag{
Name: "secret",
Value: "",
Usage: "Client Secret",
},
&cli.StringFlag{
Name: "auto-discover-url",
Value: "",
Usage: "OpenID Connect Auto Discovery URL (only required when using OpenID Connect as provider)",
},
&cli.StringFlag{
Name: "use-custom-urls",
Value: "false",
Usage: "Use custom URLs for GitLab/GitHub OAuth endpoints",
},
&cli.StringFlag{
Name: "custom-tenant-id",
Value: "",
Usage: "Use custom Tenant ID for OAuth endpoints",
},
&cli.StringFlag{
Name: "custom-auth-url",
Value: "",
Usage: "Use a custom Authorization URL (option for GitLab/GitHub)",
},
&cli.StringFlag{
Name: "custom-token-url",
Value: "",
Usage: "Use a custom Token URL (option for GitLab/GitHub)",
},
&cli.StringFlag{
Name: "custom-profile-url",
Value: "",
Usage: "Use a custom Profile URL (option for GitLab/GitHub)",
},
&cli.StringFlag{
Name: "custom-email-url",
Value: "",
Usage: "Use a custom Email URL (option for GitHub)",
},
&cli.StringFlag{
Name: "icon-url",
Value: "",
Usage: "Custom icon URL for OAuth2 login source",
},
&cli.BoolFlag{
Name: "skip-local-2fa",
Usage: "Set to true to skip local 2fa for users authenticated by this source",
},
&cli.StringSliceFlag{
Name: "scopes",
Value: nil,
Usage: "Scopes to request when to authenticate against this OAuth2 source",
},
&cli.StringFlag{
Name: "required-claim-name",
Value: "",
Usage: "Claim name that has to be set to allow users to login with this source",
},
&cli.StringFlag{
Name: "required-claim-value",
Value: "",
Usage: "Claim value that has to be set to allow users to login with this source",
},
&cli.StringFlag{
Name: "group-claim-name",
Value: "",
Usage: "Claim name providing group names for this source",
},
&cli.StringFlag{
Name: "admin-group",
Value: "",
Usage: "Group Claim value for administrator users",
},
&cli.StringFlag{
Name: "restricted-group",
Value: "",
Usage: "Group Claim value for restricted users",
},
&cli.StringFlag{
Name: "group-team-map",
Value: "",
Usage: "JSON mapping between groups and org teams",
},
&cli.BoolFlag{
Name: "group-team-map-removal",
Usage: "Activate automatic team membership removal depending on groups",
},
}
microcmdAuthAddOauth = &cli.Command{
Name: "add-oauth",
Usage: "Add new Oauth authentication source",
Action: runAddOauth,
Flags: oauthCLIFlags,
}
microcmdAuthUpdateOauth = &cli.Command{
Name: "update-oauth",
Usage: "Update existing Oauth authentication source",
Action: runUpdateOauth,
Flags: append(oauthCLIFlags[:1], append([]cli.Flag{idFlag}, oauthCLIFlags[1:]...)...),
}
)
func parseOAuth2Config(c *cli.Context) *oauth2.Source {
var customURLMapping *oauth2.CustomURLMapping
if c.IsSet("use-custom-urls") {
customURLMapping = &oauth2.CustomURLMapping{
TokenURL: c.String("custom-token-url"),
AuthURL: c.String("custom-auth-url"),
ProfileURL: c.String("custom-profile-url"),
EmailURL: c.String("custom-email-url"),
Tenant: c.String("custom-tenant-id"),
}
} else {
customURLMapping = nil
}
return &oauth2.Source{
Provider: c.String("provider"),
ClientID: c.String("key"),
ClientSecret: c.String("secret"),
OpenIDConnectAutoDiscoveryURL: c.String("auto-discover-url"),
CustomURLMapping: customURLMapping,
IconURL: c.String("icon-url"),
SkipLocalTwoFA: c.Bool("skip-local-2fa"),
Scopes: c.StringSlice("scopes"),
RequiredClaimName: c.String("required-claim-name"),
RequiredClaimValue: c.String("required-claim-value"),
GroupClaimName: c.String("group-claim-name"),
AdminGroup: c.String("admin-group"),
RestrictedGroup: c.String("restricted-group"),
GroupTeamMap: c.String("group-team-map"),
GroupTeamMapRemoval: c.Bool("group-team-map-removal"),
}
}
func runAddOauth(c *cli.Context) error {
ctx, cancel := installSignals()
defer cancel()
if err := initDB(ctx); err != nil {
return err
}
config := parseOAuth2Config(c)
if config.Provider == "openidConnect" {
discoveryURL, err := url.Parse(config.OpenIDConnectAutoDiscoveryURL)
if err != nil || (discoveryURL.Scheme != "http" && discoveryURL.Scheme != "https") {
return fmt.Errorf("invalid Auto Discovery URL: %s (this must be a valid URL starting with http:// or https://)", config.OpenIDConnectAutoDiscoveryURL)
}
}
return auth_model.CreateSource(ctx, &auth_model.Source{
Type: auth_model.OAuth2,
Name: c.String("name"),
IsActive: true,
Cfg: config,
})
}
func runUpdateOauth(c *cli.Context) error {
if !c.IsSet("id") {
return errors.New("--id flag is missing")
}
ctx, cancel := installSignals()
defer cancel()
if err := initDB(ctx); err != nil {
return err
}
source, err := auth_model.GetSourceByID(ctx, c.Int64("id"))
if err != nil {
return err
}
oAuth2Config := source.Cfg.(*oauth2.Source)
if c.IsSet("name") {
source.Name = c.String("name")
}
if c.IsSet("provider") {
oAuth2Config.Provider = c.String("provider")
}
if c.IsSet("key") {
oAuth2Config.ClientID = c.String("key")
}
if c.IsSet("secret") {
oAuth2Config.ClientSecret = c.String("secret")
}
if c.IsSet("auto-discover-url") {
oAuth2Config.OpenIDConnectAutoDiscoveryURL = c.String("auto-discover-url")
}
if c.IsSet("icon-url") {
oAuth2Config.IconURL = c.String("icon-url")
}
if c.IsSet("scopes") {
oAuth2Config.Scopes = c.StringSlice("scopes")
}
if c.IsSet("required-claim-name") {
oAuth2Config.RequiredClaimName = c.String("required-claim-name")
}
if c.IsSet("required-claim-value") {
oAuth2Config.RequiredClaimValue = c.String("required-claim-value")
}
if c.IsSet("group-claim-name") {
oAuth2Config.GroupClaimName = c.String("group-claim-name")
}
if c.IsSet("admin-group") {
oAuth2Config.AdminGroup = c.String("admin-group")
}
if c.IsSet("restricted-group") {
oAuth2Config.RestrictedGroup = c.String("restricted-group")
}
if c.IsSet("group-team-map") {
oAuth2Config.GroupTeamMap = c.String("group-team-map")
}
if c.IsSet("group-team-map-removal") {
oAuth2Config.GroupTeamMapRemoval = c.Bool("group-team-map-removal")
}
// update custom URL mapping
customURLMapping := &oauth2.CustomURLMapping{}
if oAuth2Config.CustomURLMapping != nil {
customURLMapping.TokenURL = oAuth2Config.CustomURLMapping.TokenURL
customURLMapping.AuthURL = oAuth2Config.CustomURLMapping.AuthURL
customURLMapping.ProfileURL = oAuth2Config.CustomURLMapping.ProfileURL
customURLMapping.EmailURL = oAuth2Config.CustomURLMapping.EmailURL
customURLMapping.Tenant = oAuth2Config.CustomURLMapping.Tenant
}
if c.IsSet("use-custom-urls") && c.IsSet("custom-token-url") {
customURLMapping.TokenURL = c.String("custom-token-url")
}
if c.IsSet("use-custom-urls") && c.IsSet("custom-auth-url") {
customURLMapping.AuthURL = c.String("custom-auth-url")
}
if c.IsSet("use-custom-urls") && c.IsSet("custom-profile-url") {
customURLMapping.ProfileURL = c.String("custom-profile-url")
}
if c.IsSet("use-custom-urls") && c.IsSet("custom-email-url") {
customURLMapping.EmailURL = c.String("custom-email-url")
}
if c.IsSet("use-custom-urls") && c.IsSet("custom-tenant-id") {
customURLMapping.Tenant = c.String("custom-tenant-id")
}
oAuth2Config.CustomURLMapping = customURLMapping
source.Cfg = oAuth2Config
return auth_model.UpdateSource(ctx, source)
}
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