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feat: implement SHA-512 algorithm to ProtectSheet (#1115)

This commit is contained in:
Jonham.Chen 2022-01-08 10:32:13 +08:00 committed by GitHub
parent 9e64df6a96
commit af5c4d00e8
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
10 changed files with 223 additions and 54 deletions
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4
chart.go
View File

@ -980,12 +980,12 @@ func (f *File) getFormatChart(format string, combo []string) (*formatChart, []*f
return formatSet, comboCharts, err
}
if _, ok := chartValAxNumFmtFormatCode[comboChart.Type]; !ok {
return formatSet, comboCharts, newUnsupportChartType(comboChart.Type)
return formatSet, comboCharts, newUnsupportedChartType(comboChart.Type)
}
comboCharts = append(comboCharts, comboChart)
}
if _, ok := chartValAxNumFmtFormatCode[formatSet.Type]; !ok {
return formatSet, comboCharts, newUnsupportChartType(formatSet.Type)
return formatSet, comboCharts, newUnsupportedChartType(formatSet.Type)
}
return formatSet, comboCharts, err
}

64
crypt.go
View File

@ -43,6 +43,7 @@ var (
packageOffset = 8 // First 8 bytes are the size of the stream
packageEncryptionChunkSize = 4096
iterCount = 50000
sheetProtectionSpinCount = 1e5
oleIdentifier = []byte{
0xd0, 0xcf, 0x11, 0xe0, 0xa1, 0xb1, 0x1a, 0xe1,
}
@ -146,7 +147,7 @@ func Decrypt(raw []byte, opt *Options) (packageBuf []byte, err error) {
case "standard":
return standardDecrypt(encryptionInfoBuf, encryptedPackageBuf, opt)
default:
err = ErrUnsupportEncryptMechanism
err = ErrUnsupportedEncryptMechanism
}
return
}
@ -307,7 +308,7 @@ func encryptionMechanism(buffer []byte) (mechanism string, err error) {
} else if (versionMajor == 3 || versionMajor == 4) && versionMinor == 3 {
mechanism = "extensible"
}
err = ErrUnsupportEncryptMechanism
err = ErrUnsupportedEncryptMechanism
return
}
@ -387,14 +388,14 @@ func standardConvertPasswdToKey(header StandardEncryptionHeader, verifier Standa
key = hashing("sha1", iterator, key)
}
var block int
hfinal := hashing("sha1", key, createUInt32LEBuffer(block, 4))
hFinal := hashing("sha1", key, createUInt32LEBuffer(block, 4))
cbRequiredKeyLength := int(header.KeySize) / 8
cbHash := sha1.Size
buf1 := bytes.Repeat([]byte{0x36}, 64)
buf1 = append(standardXORBytes(hfinal, buf1[:cbHash]), buf1[cbHash:]...)
buf1 = append(standardXORBytes(hFinal, buf1[:cbHash]), buf1[cbHash:]...)
x1 := hashing("sha1", buf1)
buf2 := bytes.Repeat([]byte{0x5c}, 64)
buf2 = append(standardXORBytes(hfinal, buf2[:cbHash]), buf2[cbHash:]...)
buf2 = append(standardXORBytes(hFinal, buf2[:cbHash]), buf2[cbHash:]...)
x2 := hashing("sha1", buf2)
x3 := append(x1, x2...)
keyDerived := x3[:cbRequiredKeyLength]
@ -417,7 +418,8 @@ func standardXORBytes(a, b []byte) []byte {
// ECMA-376 Agile Encryption
// agileDecrypt decrypt the CFB file format with ECMA-376 agile encryption.
// Support cryptographic algorithm: MD4, MD5, RIPEMD-160, SHA1, SHA256, SHA384 and SHA512.
// Support cryptographic algorithm: MD4, MD5, RIPEMD-160, SHA1, SHA256,
// SHA384 and SHA512.
func agileDecrypt(encryptionInfoBuf, encryptedPackageBuf []byte, opt *Options) (packageBuf []byte, err error) {
var encryptionInfo Encryption
if encryptionInfo, err = parseEncryptionInfo(encryptionInfoBuf[8:]); err != nil {
@ -605,11 +607,55 @@ func createIV(blockKey interface{}, encryption Encryption) ([]byte, error) {
return iv, nil
}
// randomBytes returns securely generated random bytes. It will return an error if the system's
// secure random number generator fails to function correctly, in which case the caller should not
// continue.
// randomBytes returns securely generated random bytes. It will return an
// error if the system's secure random number generator fails to function
// correctly, in which case the caller should not continue.
func randomBytes(n int) ([]byte, error) {
b := make([]byte, n)
_, err := rand.Read(b)
return b, err
}
// ISO Write Protection Method
// genISOPasswdHash implements the ISO password hashing algorithm by given
// plaintext password, name of the cryptographic hash algorithm, salt value
// and spin count.
func genISOPasswdHash(passwd, hashAlgorithm, salt string, spinCount int) (hashValue, saltValue string, err error) {
if len(passwd) < 1 || len(passwd) > MaxFieldLength {
err = ErrPasswordLengthInvalid
return
}
hash, ok := map[string]string{
"MD4": "md4",
"MD5": "md5",
"SHA-1": "sha1",
"SHA-256": "sha256",
"SHA-384": "sha384",
"SHA-512": "sha512",
}[hashAlgorithm]
if !ok {
err = ErrUnsupportedHashAlgorithm
return
}
var b bytes.Buffer
s, _ := randomBytes(16)
if salt != "" {
if s, err = base64.StdEncoding.DecodeString(salt); err != nil {
return
}
}
b.Write(s)
encoder := unicode.UTF16(unicode.LittleEndian, unicode.IgnoreBOM).NewEncoder()
passwordBuffer, _ := encoder.Bytes([]byte(passwd))
b.Write(passwordBuffer)
// Generate the initial hash.
key := hashing(hash, b.Bytes())
// Now regenerate until spin count.
for i := 0; i < spinCount; i++ {
iterator := createUInt32LEBuffer(i, 4)
key = hashing(hash, key, iterator)
}
hashValue, saltValue = base64.StdEncoding.EncodeToString(key), base64.StdEncoding.EncodeToString(s)
return
}

20
crypt_test.go
View File

@ -28,11 +28,27 @@ func TestEncrypt(t *testing.T) {
func TestEncryptionMechanism(t *testing.T) {
mechanism, err := encryptionMechanism([]byte{3, 0, 3, 0})
assert.Equal(t, mechanism, "extensible")
assert.EqualError(t, err, ErrUnsupportEncryptMechanism.Error())
assert.EqualError(t, err, ErrUnsupportedEncryptMechanism.Error())
_, err = encryptionMechanism([]byte{})
assert.EqualError(t, err, ErrUnknownEncryptMechanism.Error())
}
func TestHashing(t *testing.T) {
assert.Equal(t, hashing("unsupportHashAlgorithm", []byte{}), []uint8([]byte(nil)))
assert.Equal(t, hashing("unsupportedHashAlgorithm", []byte{}), []uint8([]byte(nil)))
}
func TestGenISOPasswdHash(t *testing.T) {
for hashAlgorithm, expected := range map[string][]string{
"MD4": {"2lZQZUubVHLm/t6KsuHX4w==", "TTHjJdU70B/6Zq83XGhHVA=="},
"MD5": {"HWbqyd4dKKCjk1fEhk2kuQ==", "8ADyorkumWCayIukRhlVKQ=="},
"SHA-1": {"XErQIV3Ol+nhXkyCxrLTEQm+mSc=", "I3nDtyf59ASaNX1l6KpFnA=="},
"SHA-256": {"7oqMFyfED+mPrzRIBQ+KpKT4SClMHEPOZldliP15xAA=", "ru1R/w3P3Jna2Qo+EE8QiA=="},
"SHA-384": {"nMODLlxsC8vr0btcq0kp/jksg5FaI3az5Sjo1yZk+/x4bFzsuIvpDKUhJGAk/fzo", "Zjq9/jHlgOY6MzFDSlVNZg=="},
"SHA-512": {"YZ6jrGOFQgVKK3rDK/0SHGGgxEmFJglQIIRamZc2PkxVtUBp54fQn96+jVXEOqo6dtCSanqksXGcm/h3KaiR4Q==", "p5s/bybHBPtusI7EydTIrg=="},
} {
hashValue, saltValue, err := genISOPasswdHash("password", hashAlgorithm, expected[1], int(sheetProtectionSpinCount))
assert.NoError(t, err)
assert.Equal(t, expected[0], hashValue)
assert.Equal(t, expected[1], saltValue)
}
}

26
datavalidation.go
View File

@ -29,7 +29,7 @@ const (
DataValidationTypeDate
DataValidationTypeDecimal
typeList // inline use
DataValidationTypeTextLeng
DataValidationTypeTextLength
DataValidationTypeTime
// DataValidationTypeWhole Integer
DataValidationTypeWhole
@ -116,7 +116,7 @@ func (dd *DataValidation) SetInput(title, msg string) {
func (dd *DataValidation) SetDropList(keys []string) error {
formula := strings.Join(keys, ",")
if MaxFieldLength < len(utf16.Encode([]rune(formula))) {
return ErrDataValidationFormulaLenth
return ErrDataValidationFormulaLength
}
dd.Formula1 = fmt.Sprintf(`<formula1>"%s"</formula1>`, formulaEscaper.Replace(formula))
dd.Type = convDataValidationType(typeList)
@ -155,7 +155,7 @@ func (dd *DataValidation) SetRange(f1, f2 interface{}, t DataValidationType, o D
}
dd.Formula1, dd.Formula2 = formula1, formula2
dd.Type = convDataValidationType(t)
dd.Operator = convDataValidationOperatior(o)
dd.Operator = convDataValidationOperator(o)
return nil
}
@ -192,22 +192,22 @@ func (dd *DataValidation) SetSqref(sqref string) {
// convDataValidationType get excel data validation type.
func convDataValidationType(t DataValidationType) string {
typeMap := map[DataValidationType]string{
typeNone: "none",
DataValidationTypeCustom: "custom",
DataValidationTypeDate: "date",
DataValidationTypeDecimal: "decimal",
typeList: "list",
DataValidationTypeTextLeng: "textLength",
DataValidationTypeTime: "time",
DataValidationTypeWhole: "whole",
typeNone: "none",
DataValidationTypeCustom: "custom",
DataValidationTypeDate: "date",
DataValidationTypeDecimal: "decimal",
typeList: "list",
DataValidationTypeTextLength: "textLength",
DataValidationTypeTime: "time",
DataValidationTypeWhole: "whole",
}
return typeMap[t]
}
// convDataValidationOperatior get excel data validation operator.
func convDataValidationOperatior(o DataValidationOperator) string {
// convDataValidationOperator get excel data validation operator.
func convDataValidationOperator(o DataValidationOperator) string {
typeMap := map[DataValidationOperator]string{
DataValidationOperatorBetween: "between",
DataValidationOperatorEqual: "equal",

4
datavalidation_test.go
View File

@ -94,7 +94,7 @@ func TestDataValidationError(t *testing.T) {
t.Errorf("data validation error. Formula1 must be empty!")
return
}
assert.EqualError(t, err, ErrDataValidationFormulaLenth.Error())
assert.EqualError(t, err, ErrDataValidationFormulaLength.Error())
assert.EqualError(t, dvRange.SetRange(nil, 20, DataValidationTypeWhole, DataValidationOperatorBetween), ErrParameterInvalid.Error())
assert.EqualError(t, dvRange.SetRange(10, nil, DataValidationTypeWhole, DataValidationOperatorBetween), ErrParameterInvalid.Error())
assert.NoError(t, dvRange.SetRange(10, 20, DataValidationTypeWhole, DataValidationOperatorGreaterThan))
@ -114,7 +114,7 @@ func TestDataValidationError(t *testing.T) {
err = dvRange.SetDropList(keys)
assert.Equal(t, prevFormula1, dvRange.Formula1,
"Formula1 should be unchanged for invalid input %v", keys)
assert.EqualError(t, err, ErrDataValidationFormulaLenth.Error())
assert.EqualError(t, err, ErrDataValidationFormulaLength.Error())
}
assert.NoError(t, f.AddDataValidation("Sheet1", dvRange))
assert.NoError(t, dvRange.SetRange(

50
errors.go
View File

@ -16,42 +16,50 @@ import (
"fmt"
)
// newInvalidColumnNameError defined the error message on receiving the invalid column name.
// newInvalidColumnNameError defined the error message on receiving the
// invalid column name.
func newInvalidColumnNameError(col string) error {
return fmt.Errorf("invalid column name %q", col)
}
// newInvalidRowNumberError defined the error message on receiving the invalid row number.
// newInvalidRowNumberError defined the error message on receiving the invalid
// row number.
func newInvalidRowNumberError(row int) error {
return fmt.Errorf("invalid row number %d", row)
}
// newInvalidCellNameError defined the error message on receiving the invalid cell name.
// newInvalidCellNameError defined the error message on receiving the invalid
// cell name.
func newInvalidCellNameError(cell string) error {
return fmt.Errorf("invalid cell name %q", cell)
}
// newInvalidExcelDateError defined the error message on receiving the data with negative values.
// newInvalidExcelDateError defined the error message on receiving the data
// with negative values.
func newInvalidExcelDateError(dateValue float64) error {
return fmt.Errorf("invalid date value %f, negative values are not supported", dateValue)
}
// newUnsupportChartType defined the error message on receiving the chart type are unsupported.
func newUnsupportChartType(chartType string) error {
// newUnsupportedChartType defined the error message on receiving the chart
// type are unsupported.
func newUnsupportedChartType(chartType string) error {
return fmt.Errorf("unsupported chart type %s", chartType)
}
// newUnzipSizeLimitError defined the error message on unzip size exceeds the limit.
// newUnzipSizeLimitError defined the error message on unzip size exceeds the
// limit.
func newUnzipSizeLimitError(unzipSizeLimit int64) error {
return fmt.Errorf("unzip size exceeds the %d bytes limit", unzipSizeLimit)
}
// newInvalidStyleID defined the error message on receiving the invalid style ID.
// newInvalidStyleID defined the error message on receiving the invalid style
// ID.
func newInvalidStyleID(styleID int) error {
return fmt.Errorf("invalid style ID %d, negative values are not supported", styleID)
}
// newFieldLengthError defined the error message on receiving the field length overflow.
// newFieldLengthError defined the error message on receiving the field length
// overflow.
func newFieldLengthError(name string) error {
return fmt.Errorf("field %s must be less or equal than 255 characters", name)
}
@ -103,12 +111,18 @@ var (
ErrMaxFileNameLength = errors.New("file name length exceeds maximum limit")
// ErrEncrypt defined the error message on encryption spreadsheet.
ErrEncrypt = errors.New("not support encryption currently")
// ErrUnknownEncryptMechanism defined the error message on unsupport
// ErrUnknownEncryptMechanism defined the error message on unsupported
// encryption mechanism.
ErrUnknownEncryptMechanism = errors.New("unknown encryption mechanism")
// ErrUnsupportEncryptMechanism defined the error message on unsupport
// ErrUnsupportedEncryptMechanism defined the error message on unsupported
// encryption mechanism.
ErrUnsupportEncryptMechanism = errors.New("unsupport encryption mechanism")
ErrUnsupportedEncryptMechanism = errors.New("unsupported encryption mechanism")
// ErrUnsupportedHashAlgorithm defined the error message on unsupported
// hash algorithm.
ErrUnsupportedHashAlgorithm = errors.New("unsupported hash algorithm")
// ErrPasswordLengthInvalid defined the error message on invalid password
// length.
ErrPasswordLengthInvalid = errors.New("password length invalid")
// ErrParameterRequired defined the error message on receive the empty
// parameter.
ErrParameterRequired = errors.New("parameter is required")
@ -131,11 +145,17 @@ var (
// ErrSheetIdx defined the error message on receive the invalid worksheet
// index.
ErrSheetIdx = errors.New("invalid worksheet index")
// ErrUnprotectSheet defined the error message on worksheet has set no
// protection.
ErrUnprotectSheet = errors.New("worksheet has set no protect")
// ErrUnprotectSheetPassword defined the error message on remove sheet
// protection with password verification failed.
ErrUnprotectSheetPassword = errors.New("worksheet protect password not match")
// ErrGroupSheets defined the error message on group sheets.
ErrGroupSheets = errors.New("group worksheet must contain an active worksheet")
// ErrDataValidationFormulaLenth defined the error message for receiving a
// ErrDataValidationFormulaLength defined the error message for receiving a
// data validation formula length that exceeds the limit.
ErrDataValidationFormulaLenth = errors.New("data validation must be 0-255 characters")
ErrDataValidationFormulaLength = errors.New("data validation must be 0-255 characters")
// ErrDataValidationRange defined the error message on set decimal range
// exceeds limit.
ErrDataValidationRange = errors.New("data validation range exceeds limit")
@ -164,5 +184,5 @@ var (
ErrSparkline = errors.New("must have the same number of 'Location' and 'Range' parameters")
// ErrSparklineStyle defined the error message on receive the invalid
// sparkline Style parameters.
ErrSparklineStyle = errors.New("parameter 'Style' must betweent 0-35")
ErrSparklineStyle = errors.New("parameter 'Style' must between 0-35")
)

57
excelize_test.go
View File

@ -1160,13 +1160,44 @@ func TestHSL(t *testing.T) {
func TestProtectSheet(t *testing.T) {
f := NewFile()
assert.NoError(t, f.ProtectSheet("Sheet1", nil))
assert.NoError(t, f.ProtectSheet("Sheet1", &FormatSheetProtection{
sheetName := f.GetSheetName(0)
assert.NoError(t, f.ProtectSheet(sheetName, nil))
// Test protect worksheet with XOR hash algorithm
assert.NoError(t, f.ProtectSheet(sheetName, &FormatSheetProtection{
Password: "password",
EditScenarios: false,
}))
ws, err := f.workSheetReader(sheetName)
assert.NoError(t, err)
assert.Equal(t, "83AF", ws.SheetProtection.Password)
assert.NoError(t, f.SaveAs(filepath.Join("test", "TestProtectSheet.xlsx")))
// Test protect worksheet with SHA-512 hash algorithm
assert.NoError(t, f.ProtectSheet(sheetName, &FormatSheetProtection{
AlgorithmName: "SHA-512",
Password: "password",
}))
ws, err = f.workSheetReader(sheetName)
assert.NoError(t, err)
assert.Equal(t, 24, len(ws.SheetProtection.SaltValue))
assert.Equal(t, 88, len(ws.SheetProtection.HashValue))
assert.Equal(t, int(sheetProtectionSpinCount), ws.SheetProtection.SpinCount)
// Test remove sheet protection with an incorrect password
assert.EqualError(t, f.UnprotectSheet(sheetName, "wrongPassword"), ErrUnprotectSheetPassword.Error())
// Test remove sheet protection with password verification
assert.NoError(t, f.UnprotectSheet(sheetName, "password"))
// Test protect worksheet with empty password
assert.NoError(t, f.ProtectSheet(sheetName, &FormatSheetProtection{}))
assert.Equal(t, "", ws.SheetProtection.Password)
// Test protect worksheet with password exceeds the limit length
assert.EqualError(t, f.ProtectSheet(sheetName, &FormatSheetProtection{
AlgorithmName: "MD4",
Password: strings.Repeat("s", MaxFieldLength+1),
}), ErrPasswordLengthInvalid.Error())
// Test protect worksheet with unsupported hash algorithm
assert.EqualError(t, f.ProtectSheet(sheetName, &FormatSheetProtection{
AlgorithmName: "RIPEMD-160",
Password: "password",
}), ErrUnsupportedHashAlgorithm.Error())
// Test protect not exists worksheet.
assert.EqualError(t, f.ProtectSheet("SheetN", nil), "sheet SheetN is not exist")
}
@ -1176,12 +1207,30 @@ func TestUnprotectSheet(t *testing.T) {
if !assert.NoError(t, err) {
t.FailNow()
}
// Test unprotect not exists worksheet.
// Test remove protection on not exists worksheet.
assert.EqualError(t, f.UnprotectSheet("SheetN"), "sheet SheetN is not exist")
assert.NoError(t, f.UnprotectSheet("Sheet1"))
assert.EqualError(t, f.UnprotectSheet("Sheet1", "password"), ErrUnprotectSheet.Error())
assert.NoError(t, f.SaveAs(filepath.Join("test", "TestUnprotectSheet.xlsx")))
assert.NoError(t, f.Close())
f = NewFile()
sheetName := f.GetSheetName(0)
assert.NoError(t, f.ProtectSheet(sheetName, &FormatSheetProtection{Password: "password"}))
// Test remove sheet protection with an incorrect password
assert.EqualError(t, f.UnprotectSheet(sheetName, "wrongPassword"), ErrUnprotectSheetPassword.Error())
// Test remove sheet protection with password verification
assert.NoError(t, f.UnprotectSheet(sheetName, "password"))
// Test with invalid salt value
assert.NoError(t, f.ProtectSheet(sheetName, &FormatSheetProtection{
AlgorithmName: "SHA-512",
Password: "password",
}))
ws, err := f.workSheetReader(sheetName)
assert.NoError(t, err)
ws.SheetProtection.SaltValue = "YWJjZA====="
assert.EqualError(t, f.UnprotectSheet(sheetName, "wrongPassword"), "illegal base64 data at input byte 8")
}
func TestSetDefaultTimeStyle(t *testing.T) {

2
pivotTable_test.go
View File

@ -222,7 +222,7 @@ func TestAddPivotTable(t *testing.T) {
PivotTableRange: "Sheet1!$G$2:$M$34",
Rows: []PivotTableField{{Data: "Month", DefaultSubtotal: true}, {Data: "Year"}},
Columns: []PivotTableField{{Data: "Type", DefaultSubtotal: true}},
Data: []PivotTableField{{Data: "Sales", Subtotal: "-", Name: strings.Repeat("s", 256)}},
Data: []PivotTableField{{Data: "Sales", Subtotal: "-", Name: strings.Repeat("s", MaxFieldLength+1)}},
}))
// Test adjust range with invalid range

49
sheet.go
View File

@ -1129,10 +1129,14 @@ func (f *File) SetHeaderFooter(sheet string, settings *FormatHeaderFooter) error
}
// ProtectSheet provides a function to prevent other users from accidentally
// or deliberately changing, moving, or deleting data in a worksheet. For
// example, protect Sheet1 with protection settings:
// or deliberately changing, moving, or deleting data in a worksheet. The
// optional field AlgorithmName specified hash algorithm, support XOR, MD4,
// MD5, SHA1, SHA256, SHA384, and SHA512 currently, if no hash algorithm
// specified, will be using the XOR algorithm as default. For example,
// protect Sheet1 with protection settings:
//
// err := f.ProtectSheet("Sheet1", &excelize.FormatSheetProtection{
// AlgorithmName: "SHA-512",
// Password: "password",
// EditScenarios: false,
// })
@ -1168,22 +1172,55 @@ func (f *File) ProtectSheet(sheet string, settings *FormatSheetProtection) error
Sort: settings.Sort,
}
if settings.Password != "" {
ws.SheetProtection.Password = genSheetPasswd(settings.Password)
if settings.AlgorithmName == "" {
ws.SheetProtection.Password = genSheetPasswd(settings.Password)
return err
}
hashValue, saltValue, err := genISOPasswdHash(settings.Password, settings.AlgorithmName, "", int(sheetProtectionSpinCount))
if err != nil {
return err
}
ws.SheetProtection.Password = ""
ws.SheetProtection.AlgorithmName = settings.AlgorithmName
ws.SheetProtection.SaltValue = saltValue
ws.SheetProtection.HashValue = hashValue
ws.SheetProtection.SpinCount = int(sheetProtectionSpinCount)
}
return err
}
// UnprotectSheet provides a function to unprotect an Excel worksheet.
func (f *File) UnprotectSheet(sheet string) error {
// UnprotectSheet provides a function to remove protection for a sheet,
// specified the second optional password parameter to remove sheet
// protection with password verification.
func (f *File) UnprotectSheet(sheet string, password ...string) error {
ws, err := f.workSheetReader(sheet)
if err != nil {
return err
}
// password verification
if len(password) > 0 {
if ws.SheetProtection == nil {
return ErrUnprotectSheet
}
if ws.SheetProtection.AlgorithmName == "" && ws.SheetProtection.Password != genSheetPasswd(password[0]) {
return ErrUnprotectSheetPassword
}
if ws.SheetProtection.AlgorithmName != "" {
// check with given salt value
hashValue, _, err := genISOPasswdHash(password[0], ws.SheetProtection.AlgorithmName, ws.SheetProtection.SaltValue, ws.SheetProtection.SpinCount)
if err != nil {
return err
}
if ws.SheetProtection.HashValue != hashValue {
return ErrUnprotectSheetPassword
}
}
}
ws.SheetProtection = nil
return err
}
// trimSheetName provides a function to trim invaild characters by given worksheet
// trimSheetName provides a function to trim invalid characters by given worksheet
// name.
func trimSheetName(name string) string {
if strings.ContainsAny(name, ":\\/?*[]") || utf8.RuneCountInString(name) > 31 {

1
xmlWorksheet.go
View File

@ -838,6 +838,7 @@ type formatConditional struct {
// FormatSheetProtection directly maps the settings of worksheet protection.
type FormatSheetProtection struct {
AlgorithmName string
AutoFilter bool
DeleteColumns bool
DeleteRows bool