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users.go
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users.go
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package service
import (
"encoding/json"
"errors"
"fmt"
"github.com/databrickslabs/databricks-terraform/client/model"
"log"
"net/http"
"sort"
"strings"
"time"
)
// UsersAPI exposes the scim user API
type UsersAPI struct {
Client DBApiClient
}
// Create given a username, displayname, entitlements, and roles will create a scim user via SCIM api
func (a UsersAPI) Create(userName string, displayName string, entitlements []string, roles []string) (model.User, error) {
var user model.User
scimUserRequest := struct {
Schemas []model.URN `json:"schemas,omitempty"`
UserName string `json:"userName,omitempty"`
Entitlements []model.EntitlementsListItem `json:"entitlements,omitempty"`
DisplayName string `json:"displayName,omitempty"`
Roles []model.RoleListItem `json:"roles,omitempty"`
}{}
scimUserRequest.Schemas = []model.URN{model.UserSchema}
scimUserRequest.UserName = userName
scimUserRequest.DisplayName = displayName
scimUserRequest.Entitlements = []model.EntitlementsListItem{}
for _, entitlement := range entitlements {
scimUserRequest.Entitlements = append(scimUserRequest.Entitlements, model.EntitlementsListItem{Value: model.Entitlement(entitlement)})
}
scimUserRequest.Roles = []model.RoleListItem{}
for _, role := range roles {
scimUserRequest.Roles = append(scimUserRequest.Roles, model.RoleListItem{Value: role})
}
resp, err := a.Client.performQuery(http.MethodPost, "/preview/scim/v2/Users", "2.0", scimHeaders, scimUserRequest, nil)
if err != nil {
return user, err
}
err = json.Unmarshal(resp, &user)
return user, err
}
// Read returns the user object and all the attributes of a scim user
func (a UsersAPI) Read(userID string) (model.User, error) {
user, err := a.read(userID)
if err != nil {
return user, err
}
//get groups
var groups []model.Group
for _, group := range user.Groups {
group, err := a.Client.Groups().Read(group.Value)
if err != nil {
return user, err
}
groups = append(groups, group)
}
inherited, unInherited, err := a.getInheritedAndNonInheritedRoles(user, groups)
user.InheritedRoles = inherited
user.UnInheritedRoles = unInherited
return user, err
}
func (a UsersAPI) read(userID string) (model.User, error) {
var user model.User
userPath := fmt.Sprintf("/preview/scim/v2/Users/%v", userID)
resp, err := a.Client.performQuery(http.MethodGet, userPath, "2.0", scimHeaders, nil, nil)
if err != nil {
return user, err
}
err = json.Unmarshal(resp, &user)
return user, err
}
// Update will update the user given the user id, username, display name, entitlements and roles
func (a UsersAPI) Update(userID string, userName string, displayName string, entitlements []string, roles []string) error {
userPath := fmt.Sprintf("/preview/scim/v2/Users/%v", userID)
scimUserUpdateRequest := struct {
Schemas []model.URN `json:"schemas,omitempty"`
UserName string `json:"userName,omitempty"`
Entitlements []model.EntitlementsListItem `json:"entitlements,omitempty"`
DisplayName string `json:"displayName,omitempty"`
Roles []model.RoleListItem `json:"roles,omitempty"`
Groups []model.GroupsListItem `json:"groups,omitempty"`
}{}
scimUserUpdateRequest.Schemas = []model.URN{model.UserSchema}
scimUserUpdateRequest.UserName = userName
scimUserUpdateRequest.DisplayName = displayName
scimUserUpdateRequest.Entitlements = []model.EntitlementsListItem{}
for _, entitlement := range entitlements {
scimUserUpdateRequest.Entitlements = append(scimUserUpdateRequest.Entitlements, model.EntitlementsListItem{Value: model.Entitlement(entitlement)})
}
scimUserUpdateRequest.Roles = []model.RoleListItem{}
for _, role := range roles {
scimUserUpdateRequest.Roles = append(scimUserUpdateRequest.Roles, model.RoleListItem{Value: role})
}
//Get any existing groups that the user is part of
user, err := a.read(userID)
if err != nil {
return err
}
scimUserUpdateRequest.Groups = user.Groups
_, err = a.Client.performQuery(http.MethodPut, userPath, "2.0", scimHeaders, scimUserUpdateRequest, nil)
return err
}
// Delete will delete the user given the user id
func (a UsersAPI) Delete(userID string) error {
userPath := fmt.Sprintf("/preview/scim/v2/Users/%v", userID)
_, err := a.Client.performQuery(http.MethodDelete, userPath, "2.0", scimHeaders, nil, nil)
return err
}
// SetUserAsAdmin will add the user to a admin group given the admin group id and user id
func (a UsersAPI) SetUserAsAdmin(userID string, adminGroupID string) error {
userPath := fmt.Sprintf("/preview/scim/v2/Users/%v", userID)
var addOperations model.UserPatchOperations
userPatchRequest := model.UserPatchRequest{
Schemas: []model.URN{model.PatchOp},
Operations: []model.UserPatchOperations{},
}
addOperations = model.UserPatchOperations{
Op: "add",
Value: &model.GroupsValue{
Groups: []model.ValueListItem{model.ValueListItem{Value: adminGroupID}},
},
}
userPatchRequest.Operations = append(userPatchRequest.Operations, addOperations)
_, err := a.Client.performQuery(http.MethodPatch, userPath, "2.0", scimHeaders, userPatchRequest, nil)
return err
}
// VerifyUserAsAdmin will verify the user belongs to the admin group given the admin group id and user id
func (a UsersAPI) VerifyUserAsAdmin(userID string, adminGroupID string) (bool, error) {
user, err := a.read(userID)
if err != nil {
return false, err
}
for _, group := range user.Groups {
if group.Value == adminGroupID {
return true, nil
}
}
return false, nil
}
// RemoveUserAsAdmin will remove the user from the admin group given the admin group id and user id
func (a UsersAPI) RemoveUserAsAdmin(userID string, adminGroupID string) error {
userPath := fmt.Sprintf("/preview/scim/v2/Users/%v", userID)
var removeOperations model.UserPatchOperations
userPatchRequest := model.UserPatchRequest{
Schemas: []model.URN{model.PatchOp},
Operations: []model.UserPatchOperations{},
}
path := fmt.Sprintf("groups[value eq \"%s\"]", adminGroupID)
removeOperations = model.UserPatchOperations{
Op: "remove",
Path: path,
}
userPatchRequest.Operations = append(userPatchRequest.Operations, removeOperations)
_, err := a.Client.performQuery(http.MethodPatch, userPath, "2.0", scimHeaders, userPatchRequest, nil)
return err
}
func (a UsersAPI) GetOrCreateDefaultMetaUser(metaUserDisplayName string, metaUserName string, deleteAfterCreate bool) (user model.User, err error) {
//var user model.User
var users model.UserList
metaUserQuery := fmt.Sprintf("/preview/scim/v2/Users?filter=displayName+eq+%s", metaUserDisplayName)
resp, err := a.Client.performQuery(http.MethodGet, metaUserQuery, "2.0", scimHeaders, nil, nil)
if err != nil {
return user, err
}
err = json.Unmarshal(resp, &users)
if err != nil {
return user, err
}
resources := users.Resources
if len(resources) == 1 {
return resources[0], err
} else if len(resources) > 1 {
return model.User{}, errors.New("more than one meta user")
}
log.Printf("Meta User not found will create a new meta user with name: %s\n", metaUserDisplayName)
newCreatedUser, err := a.Create(metaUserName, metaUserDisplayName, nil, nil)
if err != nil {
if strings.Contains(err.Error(), "already exists") {
time.Sleep(time.Second * 1)
return a.GetOrCreateDefaultMetaUser(metaUserDisplayName, metaUserName, deleteAfterCreate)
}
return user, err
}
if deleteAfterCreate {
defer func() {
deferErr := a.Delete(newCreatedUser.ID)
err = deferErr
}()
}
return newCreatedUser, err
//newCreatedUserFullInfo, err := a.Read(newCreatedUser.ID)
//return newCreatedUserFullInfo, err
}
func (a UsersAPI) getInheritedAndNonInheritedRoles(user model.User, groups []model.Group) (inherited []model.RoleListItem, unInherited []model.RoleListItem, err error) {
allRoles := user.Roles
var inheritedRoles []model.RoleListItem
inheritedRolesKeys := []string{}
inheritedRolesMap := map[string]model.RoleListItem{}
for _, group := range groups {
inheritedRoles = append(inheritedRoles, group.Roles...)
}
for _, role := range inheritedRoles {
inheritedRolesKeys = append(inheritedRolesKeys, role.Value)
inheritedRolesMap[role.Value] = role
}
sort.Strings(inheritedRolesKeys)
for _, roleKey := range inheritedRolesKeys {
inherited = append(inherited, inheritedRolesMap[roleKey])
}
for _, role := range allRoles {
if _, ok := inheritedRolesMap[role.Value]; !ok {
unInherited = append(unInherited, role)
}
}
return inherited, unInherited, nil
}