/
sheetsapi.go
190 lines (172 loc) · 4.63 KB
/
sheetsapi.go
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package sheetsapi
import (
"context"
"errors"
"fmt"
"github.com/bakyazi/gopass/sheetsapi/util"
"google.golang.org/api/googleapi"
"google.golang.org/api/option"
"google.golang.org/api/sheets/v4"
)
const PAGE_SIZE = 100
var (
ErrNotFound = errors.New("entry not found")
ErrAlreadyExist = errors.New("already exists")
)
type PasswordDB interface {
GetSites() ([]string, error)
GetPasswords(page, pageSize int) ([]PasswordEntry, error)
GetPassword(site, username string) (string, error)
CreatePassword(site, username, password string) error
UpdatePassword(site, username, password string) error
DeletePassword(site, username string) error
Clear() error
}
type PasswordEntry struct {
Row int
Site string
Username string
Password string
}
type passwordDBImpl struct {
srv *sheets.Service
sheetId string
}
func NewPasswordDB(credentialFileName string, sheetId string) (PasswordDB, error) {
service, err := sheets.NewService(context.Background(), option.WithCredentialsFile(credentialFileName))
if err != nil {
return nil, err
}
return &passwordDBImpl{srv: service, sheetId: sheetId}, nil
}
func (p *passwordDBImpl) GetSites() ([]string, error) {
resp, err := p.srv.Spreadsheets.Values.Get(p.sheetId, "A2:A").Do()
if err != nil {
return nil, err
}
return util.Map(resp.Values, func(t []interface{}, i int) string {
return t[0].(string)
}), nil
}
func (p passwordDBImpl) GetPasswords(page, pageSize int) ([]PasswordEntry, error) {
sht, err := p.srv.Spreadsheets.Get(p.sheetId).Do()
if err != nil {
return nil, err
}
maxRow := sht.Sheets[0].Properties.GridProperties.RowCount
start, end := calculateRange(page, pageSize)
if maxRow < int64(end) {
end = int(maxRow)
}
if start > end {
return nil, nil
}
resp, err := p.srv.Spreadsheets.Values.Get(p.sheetId, fmt.Sprintf("A%d:C%d", start, end)).Do()
if err != nil {
return nil, err
}
return util.Map(resp.Values, func(t []interface{}, index int) PasswordEntry {
if len(t) < 3 {
return PasswordEntry{Row: start + index}
}
return PasswordEntry{
Row: start + index,
Site: t[0].(string),
Username: t[1].(string),
Password: t[2].(string),
}
}), nil
}
func (p passwordDBImpl) GetPassword(site, username string) (string, error) {
val, err := p.find(site, username)
if err != nil {
return "", errors.New("password not found")
}
return val.Password, nil
}
func (p passwordDBImpl) CreatePassword(site, username, password string) error {
_, err := p.find(site, username)
if err == nil {
return ErrAlreadyExist
}
if !errors.Is(err, ErrNotFound) {
return err
}
_, err = p.srv.Spreadsheets.Values.Append(p.sheetId, "A:C",
&sheets.ValueRange{Range: "A:C", Values: [][]interface{}{{site, username, password}}}).
Do(googleapi.QueryParameter("insertDataOption", "INSERT_ROWS"),
googleapi.QueryParameter("valueInputOption", "RAW"))
return err
}
func (p passwordDBImpl) UpdatePassword(site, username, password string) error {
val, err := p.find(site, username)
if err != nil {
return err
}
valRange := fmt.Sprintf("C%d:C%d", val.Row, val.Row)
_, err = p.srv.Spreadsheets.Values.Update(p.sheetId, valRange, &sheets.ValueRange{
Range: valRange, Values: [][]interface{}{{password}},
}).Do(googleapi.QueryParameter("valueInputOption", "RAW"))
return err
}
func (p passwordDBImpl) DeletePassword(site string, username string) error {
val, err := p.find(site, username)
if err != nil {
return err
}
_, err = p.srv.Spreadsheets.BatchUpdate(p.sheetId, &sheets.BatchUpdateSpreadsheetRequest{
Requests: []*sheets.Request{
{
DeleteDimension: &sheets.DeleteDimensionRequest{
Range: &sheets.DimensionRange{
SheetId: 0,
Dimension: "ROWS",
StartIndex: int64(val.Row - 1),
EndIndex: int64(val.Row),
},
},
},
},
}).Do()
return err
}
func (p passwordDBImpl) Clear() error {
_, err := p.srv.Spreadsheets.BatchUpdate(p.sheetId, &sheets.BatchUpdateSpreadsheetRequest{
Requests: []*sheets.Request{
{
DeleteDimension: &sheets.DeleteDimensionRequest{
Range: &sheets.DimensionRange{
SheetId: 0,
Dimension: "ROWS",
StartIndex: 1,
},
},
},
},
}).Do()
return err
}
func calculateRange(page, pageSize int) (int, int) {
start := 2 + (page-1)*pageSize
end := start + pageSize
return start, end - 1
}
func (p *passwordDBImpl) find(site, user string) (PasswordEntry, error) {
page := 1
for {
data, err := p.GetPasswords(page, PAGE_SIZE)
if err != nil {
return PasswordEntry{}, err
}
if len(data) == 0 {
break
}
for _, v := range data {
if v.Site == site && v.Username == user {
return v, nil
}
}
page++
}
return PasswordEntry{}, ErrNotFound
}