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configdbmodule.go
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configdbmodule.go
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package keycloakb
import (
"context"
"database/sql"
"encoding/json"
"strings"
"github.com/cloudtrust/common-service/configuration"
"github.com/cloudtrust/common-service/database/sqltypes"
errorhandler "github.com/cloudtrust/common-service/errors"
"github.com/cloudtrust/common-service/log"
msg "github.com/cloudtrust/keycloak-bridge/internal/constants"
"github.com/cloudtrust/keycloak-bridge/internal/dto"
)
const (
updateConfigStmt = `INSERT INTO realm_configuration (realm_id, configuration)
VALUES (?, ?)
ON DUPLICATE KEY UPDATE configuration = ?;`
updateAdminConfigStmt = `INSERT INTO realm_configuration (realm_id, admin_configuration)
VALUES (?, ?)
ON DUPLICATE KEY UPDATE admin_configuration = ?;`
selectBOConfigStmt = `
SELECT distinct target_realm_id, target_type, target_group_name
FROM backoffice_configuration
WHERE realm_id=? AND group_name IN (???)
`
insertBOConfigStmt = `
INSERT INTO backoffice_configuration (realm_id, group_name, target_realm_id, target_type, target_group_name)
VALUES (?,?,?,?,?)
`
deleteBOConfigStmt = `
DELETE FROM backoffice_configuration
WHERE realm_id=?
AND group_name=?
AND target_realm_id=?
AND (? IS NULL OR target_type=?)
AND (? IS NULL OR target_group_name=?)
`
selectAuthzStmt = `SELECT realm_id, group_name, action, target_realm_id, target_group_name FROM authorizations WHERE realm_id = ? AND group_name = ?;`
createAuthzStmt = `INSERT INTO authorizations (realm_id, group_name, action, target_realm_id, target_group_name)
VALUES (?, ?, ?, ?, ?);`
deleteAuthzStmt = `DELETE FROM authorizations WHERE realm_id = ? AND group_name = ?;`
deleteAllAuthzWithGroupStmt = `DELETE FROM authorizations WHERE (realm_id = ? AND group_name = ?) OR (target_realm_id = ? AND target_group_name = ?);`
)
// Scanner used to get data from SQL cursors
type Scanner interface {
Scan(...interface{}) error
}
type configurationDBModule struct {
configuration.ConfigurationReaderDBModule
db sqltypes.CloudtrustDB
logger log.Logger
}
// NewConfigurationDBModule returns a ConfigurationDB module.
func NewConfigurationDBModule(db sqltypes.CloudtrustDB, logger log.Logger, actions ...[]string) ConfigurationDBModule {
return &configurationDBModule{
ConfigurationReaderDBModule: *configuration.NewConfigurationReaderDBModule(db, logger, actions...),
db: db,
logger: logger,
}
}
func (c *configurationDBModule) GetConfigurations(ctx context.Context, realmID string) (configuration.RealmConfiguration, configuration.RealmAdminConfiguration, error) {
config, adminConfig, err := c.ConfigurationReaderDBModule.GetRealmConfigurations(ctx, realmID)
if err == sql.ErrNoRows {
return config, adminConfig, errorhandler.Error{
Status: 404,
Message: ComponentName + "." + msg.MsgErrNotConfigured + "." + msg.RealmConfiguration + "." + realmID,
}
}
return config, adminConfig, err
}
func (c *configurationDBModule) StoreOrUpdateConfiguration(context context.Context, realmID string, config configuration.RealmConfiguration) error {
// transform customConfig object into JSON string
configJSON, err := json.Marshal(config)
if err != nil {
return err
}
// update value in DB
_, err = c.db.Exec(updateConfigStmt, realmID, string(configJSON), string(configJSON))
return err
}
func (c *configurationDBModule) GetConfiguration(ctx context.Context, realmID string) (configuration.RealmConfiguration, error) {
config, err := c.ConfigurationReaderDBModule.GetConfiguration(ctx, realmID)
if err == sql.ErrNoRows {
return config, errorhandler.Error{
Status: 404,
Message: ComponentName + "." + msg.MsgErrNotConfigured + "." + msg.RealmConfiguration + "." + realmID,
}
}
return config, err
}
func (c *configurationDBModule) StoreOrUpdateAdminConfiguration(context context.Context, realmID string, config configuration.RealmAdminConfiguration) error {
var bytes, _ = json.Marshal(config)
var configJSON = string(bytes)
// update value in DB
var _, err = c.db.Exec(updateAdminConfigStmt, realmID, configJSON, configJSON)
return err
}
func (c *configurationDBModule) GetAdminConfiguration(ctx context.Context, realmID string) (configuration.RealmAdminConfiguration, error) {
return c.ConfigurationReaderDBModule.GetAdminConfiguration(ctx, realmID)
}
func (c *configurationDBModule) GetBackOfficeConfiguration(ctx context.Context, realmID string, groupNames []string) (dto.BackOfficeConfiguration, error) {
var sqlRequest = strings.Replace(selectBOConfigStmt, "???", "?"+strings.Repeat(",?", len(groupNames)-1), 1)
var args = []interface{}{realmID}
for _, grp := range groupNames {
args = append(args, grp)
}
var rows, err = c.db.Query(sqlRequest, args...)
if err != nil {
c.logger.Warn(ctx, "msg", "Can't get back-office configuration", "err", err.Error(), "realmID", realmID, "groups", strings.Join(groupNames, ","))
return nil, err
}
defer rows.Close()
var res = make(dto.BackOfficeConfiguration)
for rows.Next() {
var targetRealmID, targetType, targetGroupName string
err = rows.Scan(&targetRealmID, &targetType, &targetGroupName)
if err != nil {
c.logger.Warn(ctx, "msg", "Can't get row from back-office configuration", "err", err.Error(), "realmID", realmID, "groups", strings.Join(groupNames, ","))
return nil, err
}
if _, ok := res[targetRealmID]; !ok {
res[targetRealmID] = make(map[string][]string)
}
if realmSubConf, ok := res[targetRealmID][targetType]; !ok {
res[targetRealmID][targetType] = []string{targetGroupName}
} else {
res[targetRealmID][targetType] = append(realmSubConf, targetGroupName)
}
}
return res, nil
}
func (c *configurationDBModule) DeleteBackOfficeConfiguration(ctx context.Context, realmID, groupName, targetRealmID string, targetType *string, targetGroupName *string) error {
var _, err = c.db.Exec(deleteBOConfigStmt, realmID, groupName, targetRealmID, targetType, targetType, targetGroupName, targetGroupName)
if err != nil {
c.logger.Warn(ctx, "msg", "Can't delete back-office configuration", "err", err.Error(), "realmName", realmID, "group", groupName,
"targetRealmName", targetRealmID, "targetType", targetType, "group", targetGroupName)
return err
}
return nil
}
func (c *configurationDBModule) InsertBackOfficeConfiguration(ctx context.Context, realmID, groupName, targetRealmID, targetType string, targetGroupNames []string) error {
for _, targetGroupName := range targetGroupNames {
var _, err = c.db.Exec(insertBOConfigStmt, realmID, groupName, targetRealmID, targetType, targetGroupName)
if err != nil {
c.logger.Warn(ctx, "msg", "Can't insert into back-office configuration", "err", err.Error(), "realmID", realmID, "groupName", groupName,
"targetRealmName", targetRealmID, "targetType", targetType, "group", targetGroupName)
return err
}
}
return nil
}
func (c *configurationDBModule) GetAuthorizations(ctx context.Context, realmID string, groupName string) ([]configuration.Authorization, error) {
// Get Authorizations from DB
rows, err := c.db.Query(selectAuthzStmt, realmID, groupName)
if err != nil {
c.logger.Warn(ctx, "msg", "Can't get authorizations", "err", err.Error(), "realmID", realmID, "groupName", groupName)
return nil, err
}
defer rows.Close()
var authz configuration.Authorization
var res = make([]configuration.Authorization, 0)
for rows.Next() {
authz, err = c.scanAuthorization(rows)
if err != nil {
c.logger.Warn(ctx, "msg", "Can't get authorizations. Scan failed", "err", err.Error(), "realmID", realmID, "groupName", groupName)
return nil, err
}
res = append(res, authz)
}
return res, nil
}
func (c *configurationDBModule) CreateAuthorization(context context.Context, auth configuration.Authorization) error {
_, err := c.db.Exec(createAuthzStmt, nullableString(auth.RealmID), nullableString(auth.GroupName),
nullableString(auth.Action), nullableString(auth.TargetRealmID), nullableString(auth.TargetGroupName))
return err
}
func (c *configurationDBModule) DeleteAuthorizations(context context.Context, realmID string, groupName string) error {
_, err := c.db.Exec(deleteAuthzStmt, realmID, groupName)
return err
}
func (c *configurationDBModule) DeleteAllAuthorizationsWithGroup(context context.Context, realmID, groupName string) error {
_, err := c.db.Exec(deleteAllAuthzWithGroupStmt, realmID, groupName, realmID, groupName)
return err
}
func (c *configurationDBModule) NewTransaction(context context.Context) (sqltypes.Transaction, error) {
return c.db.BeginTx(context, nil)
}
func (c *configurationDBModule) scanAuthorization(scanner Scanner) (configuration.Authorization, error) {
var (
realmID string
groupName string
action string
targetRealmID sql.NullString
targetGroupName sql.NullString
)
err := scanner.Scan(&realmID, &groupName, &action, &targetRealmID, &targetGroupName)
if err != nil {
return configuration.Authorization{}, err
}
var authz = configuration.Authorization{
RealmID: &realmID,
GroupName: &groupName,
Action: &action,
}
if targetRealmID.Valid {
authz.TargetRealmID = &targetRealmID.String
}
if targetGroupName.Valid {
authz.TargetGroupName = &targetGroupName.String
}
return authz, nil
}
func nullableString(value *string) interface{} {
if value != nil {
return value
}
return nil
}