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export_users.go
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export_users.go
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// Copyright 2019 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package auth
import (
"context"
"encoding/json"
identitytoolkit "google.golang.org/api/identitytoolkit/v3"
"google.golang.org/api/iterator"
)
const maxReturnedResults = 1000
// Users returns an iterator over Users.
//
// If nextPageToken is empty, the iterator will start at the beginning.
// If the nextPageToken is not empty, the iterator starts after the token.
func (c *Client) Users(ctx context.Context, nextPageToken string) *UserIterator {
it := &UserIterator{
ctx: ctx,
client: c,
}
it.pageInfo, it.nextFunc = iterator.NewPageInfo(
it.fetch,
func() int { return len(it.users) },
func() interface{} { b := it.users; it.users = nil; return b })
it.pageInfo.MaxSize = maxReturnedResults
it.pageInfo.Token = nextPageToken
return it
}
// UserIterator is an iterator over Users.
//
// Also see: https://github.com/GoogleCloudPlatform/google-cloud-go/wiki/Iterator-Guidelines
type UserIterator struct {
client *Client
ctx context.Context
nextFunc func() error
pageInfo *iterator.PageInfo
users []*ExportedUserRecord
}
// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
// Page size can be determined by the NewPager(...) function described there.
func (it *UserIterator) PageInfo() *iterator.PageInfo { return it.pageInfo }
// Next returns the next result. Its second return value is [iterator.Done] if
// there are no more results. Once Next returns [iterator.Done], all subsequent
// calls will return [iterator.Done].
func (it *UserIterator) Next() (*ExportedUserRecord, error) {
if err := it.nextFunc(); err != nil {
return nil, err
}
user := it.users[0]
it.users = it.users[1:]
return user, nil
}
func (it *UserIterator) fetch(pageSize int, pageToken string) (string, error) {
request := &identitytoolkit.IdentitytoolkitRelyingpartyDownloadAccountRequest{
MaxResults: int64(pageSize),
NextPageToken: pageToken,
}
call := it.client.is.Relyingparty.DownloadAccount(request)
it.client.setHeader(call)
resp, err := call.Context(it.ctx).Do()
if err != nil {
return "", handleServerError(err)
}
for _, u := range resp.Users {
eu, err := makeExportedUser(u)
if err != nil {
return "", err
}
it.users = append(it.users, eu)
}
it.pageInfo.Token = resp.NextPageToken
return resp.NextPageToken, nil
}
// ExportedUserRecord is the returned user value used when listing all the users.
type ExportedUserRecord struct {
*UserRecord
PasswordHash string
PasswordSalt string
}
func makeExportedUser(r *identitytoolkit.UserInfo) (*ExportedUserRecord, error) {
var cc map[string]interface{}
if r.CustomAttributes != "" {
if err := json.Unmarshal([]byte(r.CustomAttributes), &cc); err != nil {
return nil, err
}
if len(cc) == 0 {
cc = nil
}
}
var providerUserInfo []*UserInfo
for _, u := range r.ProviderUserInfo {
info := &UserInfo{
DisplayName: u.DisplayName,
Email: u.Email,
PhoneNumber: u.PhoneNumber,
PhotoURL: u.PhotoUrl,
ProviderID: u.ProviderId,
UID: u.RawId,
}
providerUserInfo = append(providerUserInfo, info)
}
resp := &ExportedUserRecord{
UserRecord: &UserRecord{
UserInfo: &UserInfo{
DisplayName: r.DisplayName,
Email: r.Email,
PhoneNumber: r.PhoneNumber,
PhotoURL: r.PhotoUrl,
ProviderID: defaultProviderID,
UID: r.LocalId,
},
CustomClaims: cc,
Disabled: r.Disabled,
EmailVerified: r.EmailVerified,
ProviderUserInfo: providerUserInfo,
TokensValidAfterMillis: r.ValidSince * 1000,
UserMetadata: &UserMetadata{
LastLogInTimestamp: r.LastLoginAt,
CreationTimestamp: r.CreatedAt,
},
},
PasswordHash: r.PasswordHash,
PasswordSalt: r.Salt,
}
return resp, nil
}