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366 lines
10 KiB
366 lines
10 KiB
// Copyright 2019 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package cmd
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import (
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"fmt"
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"strings"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/modules/auth/ldap"
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"github.com/urfave/cli"
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)
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type (
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authService struct {
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initDB func() error
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createLoginSource func(loginSource *models.LoginSource) error
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updateLoginSource func(loginSource *models.LoginSource) error
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getLoginSourceByID func(id int64) (*models.LoginSource, error)
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}
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)
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var (
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commonLdapCLIFlags = []cli.Flag{
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cli.StringFlag{
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Name: "name",
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Usage: "Authentication name.",
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},
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cli.BoolFlag{
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Name: "not-active",
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Usage: "Deactivate the authentication source.",
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},
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cli.StringFlag{
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Name: "security-protocol",
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Usage: "Security protocol name.",
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},
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cli.BoolFlag{
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Name: "skip-tls-verify",
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Usage: "Disable TLS verification.",
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},
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cli.StringFlag{
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Name: "host",
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Usage: "The address where the LDAP server can be reached.",
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},
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cli.IntFlag{
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Name: "port",
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Usage: "The port to use when connecting to the LDAP server.",
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},
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cli.StringFlag{
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Name: "user-search-base",
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Usage: "The LDAP base at which user accounts will be searched for.",
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},
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cli.StringFlag{
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Name: "user-filter",
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Usage: "An LDAP filter declaring how to find the user record that is attempting to authenticate.",
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},
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cli.StringFlag{
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Name: "admin-filter",
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Usage: "An LDAP filter specifying if a user should be given administrator privileges.",
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},
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cli.BoolFlag{
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Name: "allow-deactivate-all",
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Usage: "Allow empty search results to deactivate all users.",
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},
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cli.StringFlag{
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Name: "username-attribute",
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Usage: "The attribute of the user’s LDAP record containing the user name.",
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},
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cli.StringFlag{
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Name: "firstname-attribute",
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Usage: "The attribute of the user’s LDAP record containing the user’s first name.",
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},
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cli.StringFlag{
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Name: "surname-attribute",
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Usage: "The attribute of the user’s LDAP record containing the user’s surname.",
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},
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cli.StringFlag{
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Name: "email-attribute",
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Usage: "The attribute of the user’s LDAP record containing the user’s email address.",
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},
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cli.StringFlag{
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Name: "public-ssh-key-attribute",
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Usage: "The attribute of the user’s LDAP record containing the user’s public ssh key.",
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},
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}
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ldapBindDnCLIFlags = append(commonLdapCLIFlags,
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cli.StringFlag{
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Name: "bind-dn",
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Usage: "The DN to bind to the LDAP server with when searching for the user.",
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},
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cli.StringFlag{
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Name: "bind-password",
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Usage: "The password for the Bind DN, if any.",
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},
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cli.BoolFlag{
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Name: "attributes-in-bind",
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Usage: "Fetch attributes in bind DN context.",
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},
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cli.BoolFlag{
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Name: "synchronize-users",
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Usage: "Enable user synchronization.",
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},
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cli.UintFlag{
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Name: "page-size",
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Usage: "Search page size.",
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})
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ldapSimpleAuthCLIFlags = append(commonLdapCLIFlags,
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cli.StringFlag{
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Name: "user-dn",
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Usage: "The user’s DN.",
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})
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cmdAuthAddLdapBindDn = cli.Command{
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Name: "add-ldap",
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Usage: "Add new LDAP (via Bind DN) authentication source",
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Action: func(c *cli.Context) error {
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return newAuthService().addLdapBindDn(c)
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},
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Flags: ldapBindDnCLIFlags,
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}
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cmdAuthUpdateLdapBindDn = cli.Command{
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Name: "update-ldap",
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Usage: "Update existing LDAP (via Bind DN) authentication source",
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Action: func(c *cli.Context) error {
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return newAuthService().updateLdapBindDn(c)
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},
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Flags: append([]cli.Flag{idFlag}, ldapBindDnCLIFlags...),
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}
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cmdAuthAddLdapSimpleAuth = cli.Command{
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Name: "add-ldap-simple",
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Usage: "Add new LDAP (simple auth) authentication source",
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Action: func(c *cli.Context) error {
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return newAuthService().addLdapSimpleAuth(c)
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},
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Flags: ldapSimpleAuthCLIFlags,
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}
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cmdAuthUpdateLdapSimpleAuth = cli.Command{
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Name: "update-ldap-simple",
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Usage: "Update existing LDAP (simple auth) authentication source",
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Action: func(c *cli.Context) error {
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return newAuthService().updateLdapSimpleAuth(c)
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},
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Flags: append([]cli.Flag{idFlag}, ldapSimpleAuthCLIFlags...),
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}
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)
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// newAuthService creates a service with default functions.
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func newAuthService() *authService {
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return &authService{
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initDB: initDB,
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createLoginSource: models.CreateLoginSource,
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updateLoginSource: models.UpdateSource,
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getLoginSourceByID: models.GetLoginSourceByID,
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}
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}
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// parseLoginSource assigns values on loginSource according to command line flags.
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func parseLoginSource(c *cli.Context, loginSource *models.LoginSource) {
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if c.IsSet("name") {
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loginSource.Name = c.String("name")
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}
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if c.IsSet("not-active") {
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loginSource.IsActived = !c.Bool("not-active")
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}
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if c.IsSet("synchronize-users") {
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loginSource.IsSyncEnabled = c.Bool("synchronize-users")
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}
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}
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// parseLdapConfig assigns values on config according to command line flags.
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func parseLdapConfig(c *cli.Context, config *models.LDAPConfig) error {
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if c.IsSet("name") {
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config.Source.Name = c.String("name")
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}
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if c.IsSet("host") {
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config.Source.Host = c.String("host")
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}
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if c.IsSet("port") {
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config.Source.Port = c.Int("port")
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}
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if c.IsSet("security-protocol") {
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p, ok := findLdapSecurityProtocolByName(c.String("security-protocol"))
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if !ok {
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return fmt.Errorf("Unknown security protocol name: %s", c.String("security-protocol"))
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}
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config.Source.SecurityProtocol = p
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}
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if c.IsSet("skip-tls-verify") {
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config.Source.SkipVerify = c.Bool("skip-tls-verify")
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}
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if c.IsSet("bind-dn") {
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config.Source.BindDN = c.String("bind-dn")
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}
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if c.IsSet("user-dn") {
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config.Source.UserDN = c.String("user-dn")
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}
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if c.IsSet("bind-password") {
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config.Source.BindPassword = c.String("bind-password")
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}
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if c.IsSet("user-search-base") {
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config.Source.UserBase = c.String("user-search-base")
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}
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if c.IsSet("username-attribute") {
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config.Source.AttributeUsername = c.String("username-attribute")
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}
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if c.IsSet("firstname-attribute") {
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config.Source.AttributeName = c.String("firstname-attribute")
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}
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if c.IsSet("surname-attribute") {
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config.Source.AttributeSurname = c.String("surname-attribute")
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}
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if c.IsSet("email-attribute") {
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config.Source.AttributeMail = c.String("email-attribute")
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}
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if c.IsSet("attributes-in-bind") {
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config.Source.AttributesInBind = c.Bool("attributes-in-bind")
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}
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if c.IsSet("public-ssh-key-attribute") {
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config.Source.AttributeSSHPublicKey = c.String("public-ssh-key-attribute")
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}
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if c.IsSet("page-size") {
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config.Source.SearchPageSize = uint32(c.Uint("page-size"))
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}
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if c.IsSet("user-filter") {
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config.Source.Filter = c.String("user-filter")
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}
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if c.IsSet("admin-filter") {
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config.Source.AdminFilter = c.String("admin-filter")
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}
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if c.IsSet("allow-deactivate-all") {
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config.Source.AllowDeactivateAll = c.Bool("allow-deactivate-all")
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}
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return nil
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}
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// findLdapSecurityProtocolByName finds security protocol by its name ignoring case.
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// It returns the value of the security protocol and if it was found.
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func findLdapSecurityProtocolByName(name string) (ldap.SecurityProtocol, bool) {
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for i, n := range models.SecurityProtocolNames {
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if strings.EqualFold(name, n) {
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return i, true
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}
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}
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return 0, false
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}
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// getLoginSource gets the login source by its id defined in the command line flags.
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// It returns an error if the id is not set, does not match any source or if the source is not of expected type.
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func (a *authService) getLoginSource(c *cli.Context, loginType models.LoginType) (*models.LoginSource, error) {
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if err := argsSet(c, "id"); err != nil {
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return nil, err
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}
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loginSource, err := a.getLoginSourceByID(c.Int64("id"))
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if err != nil {
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return nil, err
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}
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if loginSource.Type != loginType {
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return nil, fmt.Errorf("Invalid authentication type. expected: %s, actual: %s", models.LoginNames[loginType], models.LoginNames[loginSource.Type])
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}
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return loginSource, nil
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}
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// addLdapBindDn adds a new LDAP via Bind DN authentication source.
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func (a *authService) addLdapBindDn(c *cli.Context) error {
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if err := argsSet(c, "name", "security-protocol", "host", "port", "user-search-base", "user-filter", "email-attribute"); err != nil {
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return err
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}
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if err := a.initDB(); err != nil {
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return err
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}
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loginSource := &models.LoginSource{
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Type: models.LoginLDAP,
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IsActived: true, // active by default
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Cfg: &models.LDAPConfig{
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Source: &ldap.Source{
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Enabled: true, // always true
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},
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},
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}
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parseLoginSource(c, loginSource)
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if err := parseLdapConfig(c, loginSource.LDAP()); err != nil {
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return err
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}
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return a.createLoginSource(loginSource)
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}
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// updateLdapBindDn updates a new LDAP via Bind DN authentication source.
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func (a *authService) updateLdapBindDn(c *cli.Context) error {
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if err := a.initDB(); err != nil {
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return err
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}
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loginSource, err := a.getLoginSource(c, models.LoginLDAP)
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if err != nil {
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return err
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}
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parseLoginSource(c, loginSource)
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if err := parseLdapConfig(c, loginSource.LDAP()); err != nil {
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return err
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}
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return a.updateLoginSource(loginSource)
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}
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// addLdapSimpleAuth adds a new LDAP (simple auth) authentication source.
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func (a *authService) addLdapSimpleAuth(c *cli.Context) error {
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if err := argsSet(c, "name", "security-protocol", "host", "port", "user-dn", "user-filter", "email-attribute"); err != nil {
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return err
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}
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if err := a.initDB(); err != nil {
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return err
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}
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loginSource := &models.LoginSource{
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Type: models.LoginDLDAP,
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IsActived: true, // active by default
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Cfg: &models.LDAPConfig{
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Source: &ldap.Source{
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Enabled: true, // always true
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},
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},
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}
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parseLoginSource(c, loginSource)
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if err := parseLdapConfig(c, loginSource.LDAP()); err != nil {
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return err
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}
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return a.createLoginSource(loginSource)
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}
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// updateLdapBindDn updates a new LDAP (simple auth) authentication source.
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func (a *authService) updateLdapSimpleAuth(c *cli.Context) error {
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if err := a.initDB(); err != nil {
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return err
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}
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loginSource, err := a.getLoginSource(c, models.LoginDLDAP)
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if err != nil {
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return err
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}
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parseLoginSource(c, loginSource)
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if err := parseLdapConfig(c, loginSource.LDAP()); err != nil {
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return err
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}
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return a.updateLoginSource(loginSource)
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}
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