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forgejo/routers/web/admin/auths.go
Baptiste Daroussin 08f5a25d3b ldap: default domain name (#3414)
When the ldap synchronizer is look for an email address and fails at
finding one, it falls back at creating one using "localhost.local"
domain.

This new field makes this domain name configurable.

Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/3414
Reviewed-by: Earl Warren <earl-warren@noreply.codeberg.org>
Co-authored-by: Baptiste Daroussin <bapt@FreeBSD.org>
Co-committed-by: Baptiste Daroussin <bapt@FreeBSD.org>
2024-04-26 22:38:58 +00:00

465 lines
15 KiB
Go

// Copyright 2014 The Gogs Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package admin
import (
"errors"
"fmt"
"net/http"
"net/url"
"regexp"
"strconv"
"strings"
"code.gitea.io/gitea/models/auth"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/modules/auth/pam"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/util"
"code.gitea.io/gitea/modules/web"
auth_service "code.gitea.io/gitea/services/auth"
"code.gitea.io/gitea/services/auth/source/ldap"
"code.gitea.io/gitea/services/auth/source/oauth2"
pam_service "code.gitea.io/gitea/services/auth/source/pam"
"code.gitea.io/gitea/services/auth/source/smtp"
"code.gitea.io/gitea/services/auth/source/sspi"
"code.gitea.io/gitea/services/context"
"code.gitea.io/gitea/services/forms"
"xorm.io/xorm/convert"
)
const (
tplAuths base.TplName = "admin/auth/list"
tplAuthNew base.TplName = "admin/auth/new"
tplAuthEdit base.TplName = "admin/auth/edit"
)
var (
separatorAntiPattern = regexp.MustCompile(`[^\w-\.]`)
langCodePattern = regexp.MustCompile(`^[a-z]{2}-[A-Z]{2}$`)
)
// Authentications show authentication config page
func Authentications(ctx *context.Context) {
ctx.Data["Title"] = ctx.Tr("admin.authentication")
ctx.Data["PageIsAdminAuthentications"] = true
var err error
ctx.Data["Sources"], ctx.Data["Total"], err = db.FindAndCount[auth.Source](ctx, auth.FindSourcesOptions{})
if err != nil {
ctx.ServerError("auth.Sources", err)
return
}
ctx.HTML(http.StatusOK, tplAuths)
}
type dropdownItem struct {
Name string
Type any
}
var (
authSources = func() []dropdownItem {
items := []dropdownItem{
{auth.LDAP.String(), auth.LDAP},
{auth.DLDAP.String(), auth.DLDAP},
{auth.SMTP.String(), auth.SMTP},
{auth.OAuth2.String(), auth.OAuth2},
{auth.SSPI.String(), auth.SSPI},
}
if pam.Supported {
items = append(items, dropdownItem{auth.Names[auth.PAM], auth.PAM})
}
return items
}()
securityProtocols = []dropdownItem{
{ldap.SecurityProtocolNames[ldap.SecurityProtocolUnencrypted], ldap.SecurityProtocolUnencrypted},
{ldap.SecurityProtocolNames[ldap.SecurityProtocolLDAPS], ldap.SecurityProtocolLDAPS},
{ldap.SecurityProtocolNames[ldap.SecurityProtocolStartTLS], ldap.SecurityProtocolStartTLS},
}
)
// NewAuthSource render adding a new auth source page
func NewAuthSource(ctx *context.Context) {
ctx.Data["Title"] = ctx.Tr("admin.auths.new")
ctx.Data["PageIsAdminAuthentications"] = true
ctx.Data["type"] = auth.LDAP.Int()
ctx.Data["CurrentTypeName"] = auth.Names[auth.LDAP]
ctx.Data["CurrentSecurityProtocol"] = ldap.SecurityProtocolNames[ldap.SecurityProtocolUnencrypted]
ctx.Data["smtp_auth"] = "PLAIN"
ctx.Data["is_active"] = true
ctx.Data["is_sync_enabled"] = true
ctx.Data["AuthSources"] = authSources
ctx.Data["SecurityProtocols"] = securityProtocols
ctx.Data["SMTPAuths"] = smtp.Authenticators
oauth2providers := oauth2.GetSupportedOAuth2Providers()
ctx.Data["OAuth2Providers"] = oauth2providers
ctx.Data["SSPIAutoCreateUsers"] = true
ctx.Data["SSPIAutoActivateUsers"] = true
ctx.Data["SSPIStripDomainNames"] = true
ctx.Data["SSPISeparatorReplacement"] = "_"
ctx.Data["SSPIDefaultLanguage"] = ""
// only the first as default
ctx.Data["oauth2_provider"] = oauth2providers[0].Name()
ctx.HTML(http.StatusOK, tplAuthNew)
}
func parseLDAPConfig(form forms.AuthenticationForm) *ldap.Source {
var pageSize uint32
if form.UsePagedSearch {
pageSize = uint32(form.SearchPageSize)
}
return &ldap.Source{
Name: form.Name,
Host: form.Host,
Port: form.Port,
SecurityProtocol: ldap.SecurityProtocol(form.SecurityProtocol),
SkipVerify: form.SkipVerify,
BindDN: form.BindDN,
UserDN: form.UserDN,
BindPassword: form.BindPassword,
UserBase: form.UserBase,
DefaultDomainName: form.DefaultDomainName,
AttributeUsername: form.AttributeUsername,
AttributeName: form.AttributeName,
AttributeSurname: form.AttributeSurname,
AttributeMail: form.AttributeMail,
AttributesInBind: form.AttributesInBind,
AttributeSSHPublicKey: form.AttributeSSHPublicKey,
AttributeAvatar: form.AttributeAvatar,
SearchPageSize: pageSize,
Filter: form.Filter,
GroupsEnabled: form.GroupsEnabled,
GroupDN: form.GroupDN,
GroupFilter: form.GroupFilter,
GroupMemberUID: form.GroupMemberUID,
GroupTeamMap: form.GroupTeamMap,
GroupTeamMapRemoval: form.GroupTeamMapRemoval,
UserUID: form.UserUID,
AdminFilter: form.AdminFilter,
RestrictedFilter: form.RestrictedFilter,
AllowDeactivateAll: form.AllowDeactivateAll,
Enabled: true,
SkipLocalTwoFA: form.SkipLocalTwoFA,
}
}
func parseSMTPConfig(form forms.AuthenticationForm) *smtp.Source {
return &smtp.Source{
Auth: form.SMTPAuth,
Host: form.SMTPHost,
Port: form.SMTPPort,
AllowedDomains: form.AllowedDomains,
ForceSMTPS: form.ForceSMTPS,
SkipVerify: form.SkipVerify,
HeloHostname: form.HeloHostname,
DisableHelo: form.DisableHelo,
SkipLocalTwoFA: form.SkipLocalTwoFA,
}
}
func parseOAuth2Config(form forms.AuthenticationForm) *oauth2.Source {
var customURLMapping *oauth2.CustomURLMapping
if form.Oauth2UseCustomURL {
customURLMapping = &oauth2.CustomURLMapping{
TokenURL: form.Oauth2TokenURL,
AuthURL: form.Oauth2AuthURL,
ProfileURL: form.Oauth2ProfileURL,
EmailURL: form.Oauth2EmailURL,
Tenant: form.Oauth2Tenant,
}
} else {
customURLMapping = nil
}
var scopes []string
for _, s := range strings.Split(form.Oauth2Scopes, ",") {
s = strings.TrimSpace(s)
if s != "" {
scopes = append(scopes, s)
}
}
return &oauth2.Source{
Provider: form.Oauth2Provider,
ClientID: form.Oauth2Key,
ClientSecret: form.Oauth2Secret,
OpenIDConnectAutoDiscoveryURL: form.OpenIDConnectAutoDiscoveryURL,
CustomURLMapping: customURLMapping,
IconURL: form.Oauth2IconURL,
Scopes: scopes,
RequiredClaimName: form.Oauth2RequiredClaimName,
RequiredClaimValue: form.Oauth2RequiredClaimValue,
SkipLocalTwoFA: form.SkipLocalTwoFA,
GroupClaimName: form.Oauth2GroupClaimName,
RestrictedGroup: form.Oauth2RestrictedGroup,
AdminGroup: form.Oauth2AdminGroup,
GroupTeamMap: form.Oauth2GroupTeamMap,
GroupTeamMapRemoval: form.Oauth2GroupTeamMapRemoval,
}
}
func parseSSPIConfig(ctx *context.Context, form forms.AuthenticationForm) (*sspi.Source, error) {
if util.IsEmptyString(form.SSPISeparatorReplacement) {
ctx.Data["Err_SSPISeparatorReplacement"] = true
return nil, errors.New(ctx.Locale.TrString("form.SSPISeparatorReplacement") + ctx.Locale.TrString("form.require_error"))
}
if separatorAntiPattern.MatchString(form.SSPISeparatorReplacement) {
ctx.Data["Err_SSPISeparatorReplacement"] = true
return nil, errors.New(ctx.Locale.TrString("form.SSPISeparatorReplacement") + ctx.Locale.TrString("form.alpha_dash_dot_error"))
}
if form.SSPIDefaultLanguage != "" && !langCodePattern.MatchString(form.SSPIDefaultLanguage) {
ctx.Data["Err_SSPIDefaultLanguage"] = true
return nil, errors.New(ctx.Locale.TrString("form.lang_select_error"))
}
return &sspi.Source{
AutoCreateUsers: form.SSPIAutoCreateUsers,
AutoActivateUsers: form.SSPIAutoActivateUsers,
StripDomainNames: form.SSPIStripDomainNames,
SeparatorReplacement: form.SSPISeparatorReplacement,
DefaultLanguage: form.SSPIDefaultLanguage,
}, nil
}
// NewAuthSourcePost response for adding an auth source
func NewAuthSourcePost(ctx *context.Context) {
form := *web.GetForm(ctx).(*forms.AuthenticationForm)
ctx.Data["Title"] = ctx.Tr("admin.auths.new")
ctx.Data["PageIsAdminAuthentications"] = true
ctx.Data["CurrentTypeName"] = auth.Type(form.Type).String()
ctx.Data["CurrentSecurityProtocol"] = ldap.SecurityProtocolNames[ldap.SecurityProtocol(form.SecurityProtocol)]
ctx.Data["AuthSources"] = authSources
ctx.Data["SecurityProtocols"] = securityProtocols
ctx.Data["SMTPAuths"] = smtp.Authenticators
oauth2providers := oauth2.GetSupportedOAuth2Providers()
ctx.Data["OAuth2Providers"] = oauth2providers
ctx.Data["SSPIAutoCreateUsers"] = true
ctx.Data["SSPIAutoActivateUsers"] = true
ctx.Data["SSPIStripDomainNames"] = true
ctx.Data["SSPISeparatorReplacement"] = "_"
ctx.Data["SSPIDefaultLanguage"] = ""
hasTLS := false
var config convert.Conversion
switch auth.Type(form.Type) {
case auth.LDAP, auth.DLDAP:
config = parseLDAPConfig(form)
hasTLS = ldap.SecurityProtocol(form.SecurityProtocol) > ldap.SecurityProtocolUnencrypted
case auth.SMTP:
config = parseSMTPConfig(form)
hasTLS = true
case auth.PAM:
config = &pam_service.Source{
ServiceName: form.PAMServiceName,
EmailDomain: form.PAMEmailDomain,
SkipLocalTwoFA: form.SkipLocalTwoFA,
}
case auth.OAuth2:
config = parseOAuth2Config(form)
oauth2Config := config.(*oauth2.Source)
if oauth2Config.Provider == "openidConnect" {
discoveryURL, err := url.Parse(oauth2Config.OpenIDConnectAutoDiscoveryURL)
if err != nil || (discoveryURL.Scheme != "http" && discoveryURL.Scheme != "https") {
ctx.Data["Err_DiscoveryURL"] = true
ctx.RenderWithErr(ctx.Tr("admin.auths.invalid_openIdConnectAutoDiscoveryURL"), tplAuthNew, form)
return
}
}
case auth.SSPI:
var err error
config, err = parseSSPIConfig(ctx, form)
if err != nil {
ctx.RenderWithErr(err.Error(), tplAuthNew, form)
return
}
existing, err := db.Find[auth.Source](ctx, auth.FindSourcesOptions{LoginType: auth.SSPI})
if err != nil || len(existing) > 0 {
ctx.Data["Err_Type"] = true
ctx.RenderWithErr(ctx.Tr("admin.auths.login_source_of_type_exist"), tplAuthNew, form)
return
}
default:
ctx.Error(http.StatusBadRequest)
return
}
ctx.Data["HasTLS"] = hasTLS
if ctx.HasError() {
ctx.HTML(http.StatusOK, tplAuthNew)
return
}
if err := auth.CreateSource(ctx, &auth.Source{
Type: auth.Type(form.Type),
Name: form.Name,
IsActive: form.IsActive,
IsSyncEnabled: form.IsSyncEnabled,
Cfg: config,
}); err != nil {
if auth.IsErrSourceAlreadyExist(err) {
ctx.Data["Err_Name"] = true
ctx.RenderWithErr(ctx.Tr("admin.auths.login_source_exist", err.(auth.ErrSourceAlreadyExist).Name), tplAuthNew, form)
} else if oauth2.IsErrOpenIDConnectInitialize(err) {
ctx.Data["Err_DiscoveryURL"] = true
unwrapped := err.(oauth2.ErrOpenIDConnectInitialize).Unwrap()
ctx.RenderWithErr(ctx.Tr("admin.auths.unable_to_initialize_openid", unwrapped), tplAuthNew, form)
} else {
ctx.ServerError("auth.CreateSource", err)
}
return
}
log.Trace("Authentication created by admin(%s): %s", ctx.Doer.Name, form.Name)
ctx.Flash.Success(ctx.Tr("admin.auths.new_success", form.Name))
ctx.Redirect(setting.AppSubURL + "/admin/auths")
}
// EditAuthSource render editing auth source page
func EditAuthSource(ctx *context.Context) {
ctx.Data["Title"] = ctx.Tr("admin.auths.edit")
ctx.Data["PageIsAdminAuthentications"] = true
ctx.Data["SecurityProtocols"] = securityProtocols
ctx.Data["SMTPAuths"] = smtp.Authenticators
oauth2providers := oauth2.GetSupportedOAuth2Providers()
ctx.Data["OAuth2Providers"] = oauth2providers
source, err := auth.GetSourceByID(ctx, ctx.ParamsInt64(":authid"))
if err != nil {
ctx.ServerError("auth.GetSourceByID", err)
return
}
ctx.Data["Source"] = source
ctx.Data["HasTLS"] = source.HasTLS()
if source.IsOAuth2() {
type Named interface {
Name() string
}
for _, provider := range oauth2providers {
if provider.Name() == source.Cfg.(Named).Name() {
ctx.Data["CurrentOAuth2Provider"] = provider
break
}
}
}
ctx.HTML(http.StatusOK, tplAuthEdit)
}
// EditAuthSourcePost response for editing auth source
func EditAuthSourcePost(ctx *context.Context) {
form := *web.GetForm(ctx).(*forms.AuthenticationForm)
ctx.Data["Title"] = ctx.Tr("admin.auths.edit")
ctx.Data["PageIsAdminAuthentications"] = true
ctx.Data["SMTPAuths"] = smtp.Authenticators
oauth2providers := oauth2.GetSupportedOAuth2Providers()
ctx.Data["OAuth2Providers"] = oauth2providers
source, err := auth.GetSourceByID(ctx, ctx.ParamsInt64(":authid"))
if err != nil {
ctx.ServerError("auth.GetSourceByID", err)
return
}
ctx.Data["Source"] = source
ctx.Data["HasTLS"] = source.HasTLS()
if ctx.HasError() {
ctx.HTML(http.StatusOK, tplAuthEdit)
return
}
var config convert.Conversion
switch auth.Type(form.Type) {
case auth.LDAP, auth.DLDAP:
config = parseLDAPConfig(form)
case auth.SMTP:
config = parseSMTPConfig(form)
case auth.PAM:
config = &pam_service.Source{
ServiceName: form.PAMServiceName,
EmailDomain: form.PAMEmailDomain,
}
case auth.OAuth2:
config = parseOAuth2Config(form)
oauth2Config := config.(*oauth2.Source)
if oauth2Config.Provider == "openidConnect" {
discoveryURL, err := url.Parse(oauth2Config.OpenIDConnectAutoDiscoveryURL)
if err != nil || (discoveryURL.Scheme != "http" && discoveryURL.Scheme != "https") {
ctx.Data["Err_DiscoveryURL"] = true
ctx.RenderWithErr(ctx.Tr("admin.auths.invalid_openIdConnectAutoDiscoveryURL"), tplAuthEdit, form)
return
}
}
case auth.SSPI:
config, err = parseSSPIConfig(ctx, form)
if err != nil {
ctx.RenderWithErr(err.Error(), tplAuthEdit, form)
return
}
default:
ctx.Error(http.StatusBadRequest)
return
}
source.Name = form.Name
source.IsActive = form.IsActive
source.IsSyncEnabled = form.IsSyncEnabled
source.Cfg = config
if err := auth.UpdateSource(ctx, source); err != nil {
if auth.IsErrSourceAlreadyExist(err) {
ctx.Data["Err_Name"] = true
ctx.RenderWithErr(ctx.Tr("admin.auths.login_source_exist", err.(auth.ErrSourceAlreadyExist).Name), tplAuthEdit, form)
} else if oauth2.IsErrOpenIDConnectInitialize(err) {
ctx.Flash.Error(err.Error(), true)
ctx.Data["Err_DiscoveryURL"] = true
ctx.HTML(http.StatusOK, tplAuthEdit)
} else {
ctx.ServerError("UpdateSource", err)
}
return
}
log.Trace("Authentication changed by admin(%s): %d", ctx.Doer.Name, source.ID)
ctx.Flash.Success(ctx.Tr("admin.auths.update_success"))
ctx.Redirect(setting.AppSubURL + "/admin/auths/" + strconv.FormatInt(form.ID, 10))
}
// DeleteAuthSource response for deleting an auth source
func DeleteAuthSource(ctx *context.Context) {
source, err := auth.GetSourceByID(ctx, ctx.ParamsInt64(":authid"))
if err != nil {
ctx.ServerError("auth.GetSourceByID", err)
return
}
if err = auth_service.DeleteSource(ctx, source); err != nil {
if auth.IsErrSourceInUse(err) {
ctx.Flash.Error(ctx.Tr("admin.auths.still_in_used"))
} else {
ctx.Flash.Error(fmt.Sprintf("auth_service.DeleteSource: %v", err))
}
ctx.JSONRedirect(setting.AppSubURL + "/admin/auths/" + url.PathEscape(ctx.Params(":authid")))
return
}
log.Trace("Authentication deleted by admin(%s): %d", ctx.Doer.Name, source.ID)
ctx.Flash.Success(ctx.Tr("admin.auths.deletion_success"))
ctx.JSONRedirect(setting.AppSubURL + "/admin/auths")
}