public void Open(IEnumerator<string> passwords)
{
if (passwords == null) {
throw new ArgumentNullException("passwords");
}
var opened = false;
try {
this.passwordCollection = passwords;
var formats = new Dictionary<Guid, bool>();
formats.Add(format, false);
foreach (Guid f in AllFormats) {
formats[f] = false;
}
foreach (Guid f in formats.Keys) {
if (opened) {
break;
}
for (; !passwordDefined; ) {
try {
using (var ar = new Archive(archive, this, f)) {
nextPassword = true;
IArchiveEntry minCrypted = null;
uint minIndex = 0;
var e = ar.GetNumberOfItems();
if (e != 0) {
format = f;
opened = true;
passwordDefined = !string.IsNullOrEmpty(currentPassword);
}
else {
if (!passwordRequested) {
break;
}
}
for (uint i = 0; i < e; ++i) {
if (ar.GetProperty(i, ItemPropId.IsDir).GetBool()) {
continue;
}
var name = ar.GetProperty(i, ItemPropId.Path).GetString();
if (format == FormatSplit) {
name = Path.GetFileName(name);
}
var size = ar.GetProperty(i, ItemPropId.Size).GetUlong();
var packedSize = ar.GetProperty(i, ItemPropId.PackedSize).GetUlong();
if (packedSize == 0) {
packedSize = size;
}
var isCrypted = ar.GetProperty(i, ItemPropId.Encrypted).GetBool();
var crc = ar.GetProperty(i, ItemPropId.CRC).GetUint();
IArchiveEntry entry = new SevenZipItemInfo(name, crc, isCrypted, size, packedSize);
items[name] = entry;
if (isCrypted && (minCrypted == null || minCrypted.CompressedSize > packedSize)) {
minCrypted = entry;
minIndex = i;
}
}
if (minCrypted != null && !passwordDefined) {
passwords.Reset();
var files = new Dictionary<uint, IArchiveEntry>();
files[minIndex] = minCrypted;
for (; !passwordDefined; ) {
using (var callback = new ExtractCallback(this, files)) {
try {
ar.Extract(new uint[] { minIndex }, 1, ExtractMode.Test, callback);
passwordDefined = true;
}
catch (IOException) {
nextPassword = true;
continue;
}
}
}
}
else {
if (items.Count != 0) {
passwordDefined = true;
}
else {
if (!passwordRequested) {
opened = false;
break;
}
}
}
}
}
catch (IndexOutOfRangeException) {
throw new ArchiveException("Password missing");
}
}
}
}
finally {
CloseStreams();
}
if (!opened) {
throw new ArchiveException("Invalid archive!");
}
}
public void Open(IEnumerator <string> passwords)
{
if (passwords == null)
{
throw new ArgumentNullException("passwords");
}
var opened = false;
try {
this.passwordCollection = passwords;
var formats = new Dictionary <Guid, bool>();
formats.Add(format, false);
foreach (Guid f in AllFormats)
{
formats[f] = false;
}
foreach (Guid f in formats.Keys)
{
if (opened)
{
break;
}
for (; !passwordDefined;)
{
try {
using (var ar = new Archive(archive, this, f)) {
nextPassword = true;
IArchiveEntry minCrypted = null;
uint minIndex = 0;
var e = ar.GetNumberOfItems();
if (e != 0)
{
format = f;
opened = true;
passwordDefined = !string.IsNullOrEmpty(currentPassword);
}
else
{
if (!passwordRequested)
{
break;
}
}
for (uint i = 0; i < e; ++i)
{
if (ar.GetProperty(i, ItemPropId.IsDir).GetBool())
{
continue;
}
var name = ar.GetProperty(i, ItemPropId.Path).GetString();
if (format == FormatSplit)
{
name = Path.GetFileName(name);
}
var size = ar.GetProperty(i, ItemPropId.Size).GetUlong();
var packedSize = ar.GetProperty(i, ItemPropId.PackedSize).GetUlong();
if (packedSize == 0)
{
packedSize = size;
}
var isCrypted = ar.GetProperty(i, ItemPropId.Encrypted).GetBool();
var crc = ar.GetProperty(i, ItemPropId.CRC).GetUint();
IArchiveEntry entry = new SevenZipItemInfo(name, crc, isCrypted, size, packedSize);
items[name] = entry;
if (isCrypted && (minCrypted == null || minCrypted.CompressedSize > packedSize))
{
minCrypted = entry;
minIndex = i;
}
}
if (minCrypted != null && !passwordDefined)
{
passwords.Reset();
var files = new Dictionary <uint, IArchiveEntry>();
files[minIndex] = minCrypted;
for (; !passwordDefined;)
{
using (var callback = new ExtractCallback(this, files)) {
try {
ar.Extract(new uint[] { minIndex }, 1, ExtractMode.Test, callback);
passwordDefined = true;
}
catch (IOException) {
nextPassword = true;
continue;
}
}
}
}
else
{
if (items.Count != 0)
{
passwordDefined = true;
}
else
{
if (!passwordRequested)
{
opened = false;
break;
}
}
}
}
}
catch (IndexOutOfRangeException) {
throw new ArchiveException("Password missing");
}
}
}
}
finally {
CloseStreams();
}
if (!opened)
{
throw new ArchiveException("Invalid archive!");
}
}