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add config option to provide TLS certificate

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This commit is contained in:
David Christofas
2022-05-30 11:49:04 +02:00
parent d4e0045723
commit 0f23ce6bed
4 changed files with 34 additions and 0 deletions
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6
changelog/unreleased/graph-cacert.md Normal file
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@@ -0,0 +1,6 @@
Enhancement: Add config option to provide TLS certificate
Added a config option to the graph service to provide a TLS certificate to be used to verify the LDAP server certificate.
https://github.com/owncloud/ocis/issues/3818
https://github.com/owncloud/ocis/pull/3888

1
extensions/graph/pkg/config/config.go
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@@ -38,6 +38,7 @@ type Spaces struct {
type LDAP struct {
URI string `yaml:"uri" env:"LDAP_URI;GRAPH_LDAP_URI"`
CACert string `yaml:"cacert" env:"LDAP_CACERT;GRAPH_LDAP_CACERT" desc:"The certificate to verify TLS connections"`
Insecure bool `yaml:"insecure" env:"OCIS_INSECURE;GRAPH_LDAP_INSECURE"`
BindDN string `yaml:"bind_dn" env:"LDAP_BIND_DN;GRAPH_LDAP_BIND_DN"`
BindPassword string `yaml:"bind_password" env:"LDAP_BIND_PASSWORD;GRAPH_LDAP_BIND_PASSWORD"`

3
extensions/graph/pkg/config/defaults/defaultconfig.go
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@@ -1,9 +1,11 @@
package defaults
import (
"path"
"strings"
"github.com/owncloud/ocis/v2/extensions/graph/pkg/config"
"github.com/owncloud/ocis/v2/ocis-pkg/config/defaults"
)
func FullDefaultConfig() *config.Config {
@@ -41,6 +43,7 @@ func DefaultConfig() *config.Config {
LDAP: config.LDAP{
URI: "ldaps://localhost:9235",
Insecure: true,
CACert: path.Join(defaults.BaseDataPath(), "idm", "ldap.crt"),
BindDN: "uid=libregraph,ou=sysusers,o=libregraph-idm",
UseServerUUID: false,
WriteEnabled: true,

24
extensions/graph/pkg/service/v0/service.go
View File

@@ -2,6 +2,8 @@ package svc
import (
"crypto/tls"
"crypto/x509"
"io/ioutil"
"net/http"
"strconv"
"time"
@@ -14,6 +16,7 @@ import (
"github.com/owncloud/ocis/v2/extensions/graph/pkg/identity"
"github.com/owncloud/ocis/v2/extensions/graph/pkg/identity/ldap"
graphm "github.com/owncloud/ocis/v2/extensions/graph/pkg/middleware"
ocisldap "github.com/owncloud/ocis/v2/ocis-pkg/ldap"
"github.com/owncloud/ocis/v2/ocis-pkg/roles"
"github.com/owncloud/ocis/v2/ocis-pkg/service/grpc"
settingssvc "github.com/owncloud/ocis/v2/protogen/gen/ocis/services/settings/v0"
@@ -83,12 +86,33 @@ func NewService(opts ...Option) Service {
var tlsConf *tls.Config
if options.Config.Identity.LDAP.Insecure {
// When insecure is set to true then we don't need a certificate.
options.Config.Identity.LDAP.CACert = ""
tlsConf = &tls.Config{
//nolint:gosec // We need the ability to run with "insecure" (dev/testing)
InsecureSkipVerify: options.Config.Identity.LDAP.Insecure,
}
}
if options.Config.Identity.LDAP.CACert != "" {
if err := ocisldap.WaitForCA(options.Logger,
options.Config.Identity.LDAP.Insecure,
options.Config.Identity.LDAP.CACert); err != nil {
options.Logger.Fatal().Err(err).Msg("The configured LDAP CA cert does not exist")
}
if tlsConf == nil {
tlsConf = &tls.Config{}
}
certs := x509.NewCertPool()
pemData, err := ioutil.ReadFile(options.Config.Identity.LDAP.CACert)
if err != nil {
options.Logger.Error().Msgf("Error initializing LDAP Backend: '%s'", err)
return nil
}
certs.AppendCertsFromPEM(pemData)
tlsConf.RootCAs = certs
}
conn := ldap.NewLDAPWithReconnect(&options.Logger,
ldap.Config{
URI: options.Config.Identity.LDAP.URI,