private void LoadHeaderFile(string path, OpStorage storage, bool reload, bool working)
{
try
{
if (!File.Exists(path))
return;
bool cached = Network.Routing.InCacheArea(storage.UserID);
bool local = false;
byte[] key = working ? LocalFileKey : storage.File.Header.FileKey;
using (TaggedStream filex = new TaggedStream(path, Network.Protocol))
using (IVCryptoStream crypto = IVCryptoStream.Load(filex, key))
{
PacketStream stream = new PacketStream(crypto, Protocol, FileAccess.Read);
G2Header header = null;
ulong currentUID = 0;
while (stream.ReadPacket(ref header))
{
if (!working && header.Name == StoragePacket.Root)
{
StorageRoot packet = StorageRoot.Decode(header);
local = Core.UserID == storage.UserID ||
GetHigherRegion(Core.UserID, packet.ProjectID).Contains(storage.UserID) ||
Trust.GetDownlinkIDs(Core.UserID, packet.ProjectID, 1).Contains(storage.UserID);
}
if (header.Name == StoragePacket.File)
{
StorageFile packet = StorageFile.Decode(header);
if (packet == null)
continue;
bool historyFile = true;
if (packet.UID != currentUID)
{
historyFile = false;
currentUID = packet.UID;
}
OpFile file = null;
if (!FileMap.SafeTryGetValue(packet.HashID, out file))
{
file = new OpFile(packet);
FileMap.SafeAdd(packet.HashID, file);
}
InternalFileMap.SafeAdd(packet.InternalHashID, file);
if (!reload)
file.References++;
if (!working) // if one ref is public, then whole file is marked public
file.Working = false;
if (packet.HashID == 0 || packet.InternalHash == null)
{
Debug.Assert(false);
continue;
}
string filepath = GetFilePath(packet.HashID);
file.Downloaded = File.Exists(filepath);
if (Loading && file.Downloaded && !ReferencedPaths.Contains(filepath))
ReferencedPaths.Add(filepath);
if (!file.Downloaded)
{
// if in local range only store latest
if (local && !historyFile)
DownloadFile(storage.UserID, packet);
// if storage is in cache range, download all files
else if (Network.Established && cached)
DownloadFile(storage.UserID, packet);
}
// on link update, if in local range, get latest files
// (handled by location update, when it sees a new version of storage component is available)
}
}
}
}
catch (Exception ex)
{
Core.Network.UpdateLog("Storage", "Error loading files " + ex.Message);
}
}
public static InvitePackage OpenInvite(byte[] decrypted, G2Protocol protocol)
{
// if we get down here, opening invite was success
MemoryStream mem = new MemoryStream(decrypted);
PacketStream stream = new PacketStream(mem, protocol, FileAccess.Read);
InvitePackage package = new InvitePackage();
G2Header root = null;
while (stream.ReadPacket(ref root))
{
if (root.Name == InvitePacket.Info)
package.Info = OneWayInvite.Decode(root);
if (root.Name == InvitePacket.Contact)
package.Contacts.Add(DhtContact.ReadPacket(root));
if (root.Name == InvitePacket.WebCache)
package.Caches.Add(WebCache.Decode(root));
}
return package;
}
// ensure that key/name associations persist between runs, done so remote people dont change their name and try to play with
// us, once we make an association with a key, we change that name on our terms, also prevents key spoofing with dupe
// user ids
public void SaveKeyIndex(PacketStream stream)
{
NameMap.LockReading(() =>
{
foreach (ulong user in KeyMap.Keys)
if (NameMap.ContainsKey(user))
{
Debug.Assert(NameMap[user] != null);
if (NameMap[user] != null)
stream.WritePacket(new UserInfo() { Name = NameMap[user], Key = KeyMap[user] });
}
});
}
private void LoadUplinkReqs()
{
try
{
string path = LinkPath + Path.DirectorySeparatorChar + Utilities.CryptFilename(Core, "uplinks");
if (!File.Exists(path))
return;
using (IVCryptoStream crypto = IVCryptoStream.Load(path, LocalFileKey))
{
PacketStream stream = new PacketStream(crypto, Network.Protocol, FileAccess.Read);
G2Header root = null;
while (stream.ReadPacket(ref root))
if (root.Name == DataPacket.SignedData)
{
SignedData signed = SignedData.Decode(root);
G2Header embedded = new G2Header(signed.Data);
// figure out data contained
if (G2Protocol.ReadPacket(embedded))
if (embedded.Name == TrustPacket.UplinkReq)
Process_UplinkReq(null, signed, UplinkRequest.Decode(embedded));
}
}
}
catch (Exception ex)
{
Network.UpdateLog("Link", "Error loading links " + ex.Message);
}
}
private void Cache_FileAquired(OpVersionedFile file)
{
if (file.UserID != Network.Local.UserID)
return;
// only we can open the buddly list stored on the network
byte[] key = Core.User.Settings.KeyPair.Decrypt(file.Header.FileKey, false);
using (TaggedStream tagged = new TaggedStream(Cache.GetFilePath(file.Header), Network.Protocol))
using (IVCryptoStream crypto = IVCryptoStream.Load(tagged, key))
{
BuddyList.SafeClear();
PacketStream stream = new PacketStream(crypto, Network.Protocol, FileAccess.Read);
G2Header root = null;
while (stream.ReadPacket(ref root))
if (root.Name == BuddyPacket.Buddy)
{
OpBuddy buddy = OpBuddy.Decode(root);
ulong id = Utilities.KeytoID(buddy.Key);
Core.IndexKey(id, ref buddy.Key);
Core.IndexName(id, buddy.Name);
if(buddy.Ignored)
IgnoreList.SafeAdd(id, buddy);
else
BuddyList.SafeAdd(id, buddy);
}
}
Core.RunInGuiThread(GuiUpdate);
}
private void RescanDiff(ulong id)
{
/*
* see if uid exists in rescan map
if file
add to changes
if folder
add temp if uid doesnt exist
set inTarget[uid], add further uids if recurse set
*/
OpStorage storage = Storages.GetStorage(id);
if (storage == null)
return;
string path = Storages.GetFilePath(storage);
if (!File.Exists(path))
return;
try
{
using (TaggedStream filex = new TaggedStream(path, Core.GuiProtocol))
using (IVCryptoStream crypto = IVCryptoStream.Load(filex, storage.File.Header.FileKey))
{
PacketStream stream = new PacketStream(crypto, Storages.Protocol, FileAccess.Read);
ulong remoteUID = 0;
FolderNode currentFolder = RootFolder;
bool readingProject = false;
G2Header header = null;
List<ulong> Recursing = new List<ulong>();
while (stream.ReadPacket(ref header))
{
if (header.Name == StoragePacket.Root)
{
StorageRoot root = StorageRoot.Decode(header);
readingProject = (root.ProjectID == ProjectID);
}
if (readingProject)
{
if (header.Name == StoragePacket.Folder)
{
StorageFolder folder = StorageFolder.Decode(header);
// if new UID
if (remoteUID == folder.UID)
continue;
remoteUID = folder.UID;
if (RescanFolderMap.ContainsKey(remoteUID))
if (RescanFolderMap[remoteUID].Recurse)
Recursing.Add(remoteUID);
if (Recursing.Count > 0 || RescanFolderMap.ContainsKey(remoteUID))
{
bool added = false;
while (!added)
{
if (currentFolder.Details.UID == folder.ParentUID)
{
// if folder exists with UID
if (currentFolder.Folders.ContainsKey(remoteUID))
currentFolder = currentFolder.Folders[remoteUID];
// else add folder as temp, mark as changed
else
currentFolder = currentFolder.AddFolderInfo(folder, true);
// diff file properties, if different, add as change
if (currentFolder.Temp || Storages.ItemDiff(currentFolder.Details, folder) != StorageActions.None)
{
currentFolder.Changes[id] = folder;
currentFolder.UpdateOverlay();
}
added = true;
}
else if (currentFolder.Parent.GetType() == typeof(FolderNode))
{
// if current folder id equals recurse marker stop recursing
if (Recursing.Contains(currentFolder.Details.UID))
Recursing.Remove(currentFolder.Details.UID);
currentFolder = (FolderNode)currentFolder.Parent;
}
else
break;
}
}
}
if (header.Name == StoragePacket.File)
{
StorageFile file = StorageFile.Decode(header);
// if new UID
if (remoteUID == file.UID)
continue;
remoteUID = file.UID;
if (Recursing.Count > 0 /*|| RescanFileMap.ContainsKey(remoteUID)*/)
{
FileItem currentFile = null;
// if file exists with UID
if (currentFolder.Files.ContainsKey(remoteUID))
currentFile = currentFolder.Files[remoteUID];
// else add file as temp, mark as changed
else
currentFile = currentFolder.AddFileInfo(file, true);
//crit check if file is integrated
if (currentFile.Temp || Storages.ItemDiff(currentFile.Details, file) != StorageActions.None)
currentFile.Changes[id] = file;
}
}
}
}
}
}
catch
{
}
}
public void SaveLocal()
{
if (Core.InvokeRequired)
{
Core.RunInCoreAsync(() => SaveLocal());
return;
}
try
{
// create new link file in temp dir
string tempPath = Core.GetTempPath();
byte[] key = Utilities.GenerateKey(Core.StrongRndGen, 256);
using (IVCryptoStream stream = IVCryptoStream.Save(tempPath, key))
{
// project packets
foreach (OpLink link in LocalTrust.Links.Values)
if (link.Active)
{
ProjectData project = new ProjectData();
project.ID = link.Project;
project.Name = GetProjectName(link.Project);
if (link.Project == 0)
project.UserName = Core.User.Settings.UserName;
byte[] packet = SignedData.Encode(Network.Protocol, Core.User.Settings.KeyPair, project);
stream.Write(packet, 0, packet.Length);
// uplinks
if (link.Uplink != null)
{
LinkData data = new LinkData(link.Project, link.Uplink.Trust.File.Key);
packet = SignedData.Encode(Network.Protocol, Core.User.Settings.KeyPair, data);
stream.Write(packet, 0, packet.Length);
}
// downlinks
foreach (OpLink downlink in link.Downlinks)
if (link.Confirmed.Contains(downlink.UserID))
{
string title;
link.Titles.TryGetValue(downlink.UserID, out title);
LinkData data = new LinkData(link.Project, downlink.Trust.File.Key, title);
packet = SignedData.Encode(Network.Protocol, Core.User.Settings.KeyPair, data);
stream.Write(packet, 0, packet.Length);
}
}
PacketStream streamEx = new PacketStream(stream, Network.Protocol, FileAccess.Write);
// save top 5 web caches
foreach (WebCache cache in Network.Cache.GetLastSeen(5))
streamEx.WritePacket(new WebCache(cache, TrustPacket.WebCache));
// save inheritable settings only if they can be inherited
if (IsInheritNode(Core.UserID))
{
if (Core.User.OpIcon != null)
streamEx.WritePacket(new IconPacket(TrustPacket.Icon, Core.User.OpIcon));
if (Core.User.OpSplash != null)
{
MemoryStream splash = new MemoryStream();
Core.User.OpSplash.Save(splash, ImageFormat.Jpeg);
LargeDataPacket.Write(streamEx, TrustPacket.Splash, splash.ToArray());
}
}
stream.WriteByte(0); // signal last packet
stream.FlushFinalBlock();
}
OpVersionedFile file = Cache.UpdateLocal(tempPath, key, null);
Store.PublishDirect(GetLocsAbove(), Core.UserID, ServiceID, DataTypeFile, file.SignedHeader);
SaveUplinkReqs();
}
catch (Exception ex)
{
Network.UpdateLog("LinkControl", "Error updating local " + ex.Message);
}
}
public UpdateInfo ReadUpdateInfo()
{
if (!File.Exists(BootstrapPath))
return null;
try
{
using (IVCryptoStream crypto = IVCryptoStream.Load(BootstrapPath, BootstrapKey))
{
PacketStream stream = new PacketStream(crypto, new G2Protocol(), FileAccess.Read);
G2Header root = null;
while (stream.ReadPacket(ref root))
if (root.Name == IdentityPacket.Update)
return UpdateInfo.Decode(root);
}
}
catch { }
return null;
}
public void Save(OpCore core)
{
Debug.Assert(core.Network.IsLookup);
try
{
var serializer = new XmlSerializer(typeof(PortsConfig));
using (var writer = new StreamWriter(PortsConfigPath))
serializer.Serialize(writer, Ports);
}
catch { }
if (core.Sim != null)
return;
try
{
// Attach to crypto stream and write file
using (IVCryptoStream crypto = IVCryptoStream.Save(BootstrapPath, BootstrapKey))
{
PacketStream stream = new PacketStream(crypto, core.Network.Protocol, FileAccess.Write);
if(core.Context.SignedUpdate != null)
stream.WritePacket(core.Context.SignedUpdate);
core.Network.Cache.SaveIPs(stream);
core.Network.Cache.SaveWeb(stream);
}
}
catch (Exception ex)
{
core.Network.UpdateLog("Exception", "LookupSettings::Save " + ex.Message);
}
}
public void SaveWeb(PacketStream stream)
{
// randomize
List<WebCache> source = new List<WebCache>(WebCaches);
List<WebCache> randomized = new List<WebCache>();
while (source.Count > 0)
{
WebCache pick = source[Core.RndGen.Next(source.Count)];
randomized.Add(pick);
source.Remove(pick);
}
foreach (WebCache cache in randomized)
stream.WritePacket(cache);
}
public void Load(DhtNetwork network)
{
// if the user has multiple ops, the lookup network is setup with the same settings
// so it is easy to find and predictable for other's bootstrapping
// we put it in local settings so we safe-guard these settings from moving to other computers
// and having dupe dht lookup ids on the network
try
{
var serializer = new XmlSerializer(typeof(PortsConfig));
using (var reader = new StreamReader(PortsConfigPath))
Ports = (PortsConfig)serializer.Deserialize(reader);
}
catch
{
Ports = new PortsConfig();
}
if (Ports.UserID == 0 || network.Core.Sim != null)
Ports.UserID = Utilities.StrongRandUInt64(network.Core.StrongRndGen);
// keep tcp/udp the same by default
if (Ports.Tcp == 0 || network.Core.Sim != null)
Ports.Tcp = (ushort)network.Core.RndGen.Next(3000, 15000);
if (Ports.Udp == 0 || network.Core.Sim != null)
Ports.Udp = Ports.Tcp;
// dont want instances saving and loading same lookup file
if (network.Core.Sim == null && File.Exists(BootstrapPath))
{
try
{
using (IVCryptoStream crypto = IVCryptoStream.Load(BootstrapPath, BootstrapKey))
{
PacketStream stream = new PacketStream(crypto, network.Protocol, FileAccess.Read);
G2Header root = null;
while (stream.ReadPacket(ref root))
{
if (root.Name == IdentityPacket.LookupCachedIP)
network.Cache.AddSavedContact(CachedIP.Decode(root));
if (root.Name == IdentityPacket.LookupCachedWeb)
network.Cache.AddWebCache(WebCache.Decode(root));
}
}
}
catch (Exception ex)
{
network.UpdateLog("Exception", "LookupSettings::Load " + ex.Message);
}
}
}
public void SaveIPs(PacketStream stream)
{
byte type = Network.IsLookup ? IdentityPacket.LookupCachedIP : IdentityPacket.OpCachedIP;
foreach (var contact in BootstrapContacts.Values)
stream.WritePacket(new CachedIP(type, contact, true));
lock (IPs)
foreach (var contact in IPs)
if (contact.TunnelClient == null)
stream.WritePacket(new CachedIP(type, contact, false));
}
public void SaveLocal(uint project)
{
try
{
string tempPath = Core.GetTempPath();
byte[] key = Utilities.GenerateKey(Core.StrongRndGen, 256);
using (IVCryptoStream stream = IVCryptoStream.Save(tempPath, key))
{
// write loaded projects
WorkingStorage working = null;
if (Working.ContainsKey(project))
working = Working[project];
if (working != null)
{
Protocol.WriteToFile(new StorageRoot(working.ProjectID), stream);
working.WriteWorkingFile(stream, working.RootFolder, true);
working.Modified = false;
try { File.Delete(GetWorkingPath(project)); }
catch { }
}
// open old file and copy entries, except for working
OpStorage local = GetStorage(Core.UserID);
if (local != null)
{
string oldPath = GetFilePath(local);
if (File.Exists(oldPath))
{
using (TaggedStream file = new TaggedStream(oldPath, Network.Protocol))
using (IVCryptoStream crypto = IVCryptoStream.Load(file, local.File.Header.FileKey))
{
PacketStream oldStream = new PacketStream(crypto, Protocol, FileAccess.Read);
bool write = false;
G2Header g2header = null;
while (oldStream.ReadPacket(ref g2header))
{
if (g2header.Name == StoragePacket.Root)
{
StorageRoot root = StorageRoot.Decode(g2header);
write = (root.ProjectID != project);
}
//copy packet right to new file
if (write) //crit test
stream.Write(g2header.Data, g2header.PacketPos, g2header.PacketSize);
}
}
}
}
stream.WriteByte(0); // signal last packet
stream.FlushFinalBlock();
}
SavingLocal = true; // prevents auto-integrate from re-calling saveLocal
OpVersionedFile vfile = Cache.UpdateLocal(tempPath, key, BitConverter.GetBytes(Core.TimeNow.ToUniversalTime().ToBinary()));
SavingLocal = false;
Store.PublishDirect(Core.Trust.GetLocsAbove(), Core.UserID, ServiceID, FileTypeCache, vfile.SignedHeader);
}
catch (Exception ex)
{
Core.Network.UpdateLog("Storage", "Error updating local " + ex.Message);
}
if (StorageUpdate != null)
Core.RunInGuiThread(StorageUpdate, GetStorage(Core.UserID));
}
private void UnloadHeaderFile(string path, byte[] key)
{
try
{
if (!File.Exists(path))
return;
using (TaggedStream filex = new TaggedStream(path, Network.Protocol))
using (IVCryptoStream crypto = IVCryptoStream.Load(filex, key))
{
PacketStream stream = new PacketStream(crypto, Protocol, FileAccess.Read);
G2Header header = null;
while (stream.ReadPacket(ref header))
{
if (header.Name == StoragePacket.File)
{
StorageFile packet = StorageFile.Decode(header);
if (packet == null)
continue;
OpFile commonFile = null;
if (!FileMap.SafeTryGetValue(packet.HashID, out commonFile))
continue;
commonFile.DeRef();
}
}
}
}
catch (Exception ex)
{
Core.Network.UpdateLog("Storage", "Error loading files " + ex.Message);
}
}
public void LoadHeader(ulong id)
{
try
{
string path = GetTargetDir(id) + Path.DirectorySeparatorChar + Utilities.CryptFilename(Core, "headers" + id.ToString());
if (!File.Exists(path))
return;
using (IVCryptoStream crypto = IVCryptoStream.Load(path, LocalFileKey))
{
PacketStream stream = new PacketStream(crypto, Network.Protocol, FileAccess.Read);
G2Header root = null;
while (stream.ReadPacket(ref root))
if (root.Name == DataPacket.SignedData)
{
SignedData signed = SignedData.Decode(root);
G2Header embedded = new G2Header(signed.Data);
// figure out data contained
if (G2Protocol.ReadPacket(embedded))
if (embedded.Name == BoardPacket.PostHeader)
Process_PostHeader(null, signed, PostHeader.Decode(embedded));
}
}
}
catch(Exception ex)
{
Network.UpdateLog("Board", "Could not load header " + id.ToString() + ": " + ex.Message);
}
}
public void WriteUpdateInfo(OpCore core)
{
// non lookup core, embedding update packet
Debug.Assert(!core.Network.IsLookup);
string temp = Path.Combine(StartupPath, "temp.dat");
try
{
using (IVCryptoStream inCrypto = IVCryptoStream.Load(BootstrapPath, BootstrapKey))
using (IVCryptoStream outCrypto = IVCryptoStream.Save(temp, BootstrapKey))
{
byte[] update = core.Context.SignedUpdate.Encode(core.Network.Protocol);
outCrypto.Write(update, 0, update.Length);
PacketStream inStream = new PacketStream(inCrypto, core.Network.Protocol, FileAccess.Read);
G2Header root = null;
while (inStream.ReadPacket(ref root))
if (root.Name != IdentityPacket.Update)
outCrypto.Write(root.Data, root.PacketPos, root.PacketSize);
}
File.Copy(temp, BootstrapPath, true);
File.Delete(temp);
}
catch (Exception ex)
{
core.Network.UpdateLog("Exception", "WriteUpdateInfo::" + ex.Message);
}
}
private void LoadHeader(string path, byte[] key)
{
try
{
using (TaggedStream filex = new TaggedStream(path, Core.GuiProtocol))
using (IVCryptoStream crypto = IVCryptoStream.Load(filex, key))
{
PacketStream stream = new PacketStream(crypto, Storages.Protocol, FileAccess.Read);
FolderNode currentFolder = RootFolder;
bool readingProject = false;
G2Header header = null;
while (stream.ReadPacket(ref header))
{
if (header.Name == StoragePacket.Root)
{
StorageRoot root = StorageRoot.Decode(header);
readingProject = (root.ProjectID == ProjectID);
}
// show archived if selected, only add top uid, not copies
if (readingProject)
{
if (header.Name == StoragePacket.Folder)
{
StorageFolder folder = StorageFolder.Decode(header);
bool added = false;
while (!added)
{
if (currentFolder.Details.UID == folder.ParentUID)
{
currentFolder = currentFolder.AddFolderInfo(folder, false);
// re-select on re-load
if (SelectedFolder != null && currentFolder.Details.UID == SelectedFolder.Details.UID)
{
currentFolder.Selected = true;
SelectedFolder = currentFolder;
}
added = true;
}
else if (currentFolder.Parent.GetType() == typeof(FolderNode))
currentFolder = (FolderNode)currentFolder.Parent;
else
break;
}
if (!added)
{
Debug.Assert(false);
throw new Exception("Error loading CFS");
}
}
if (header.Name == StoragePacket.File)
{
StorageFile file = StorageFile.Decode(header);
currentFolder.AddFileInfo(file, false);
}
}
}
}
}
catch (Exception ex)
{
Core.Network.UpdateLog("Storage", "Error loading files " + ex.Message);
}
}
public void Load(LoadModeType loadMode)
{
RijndaelManaged Password = new RijndaelManaged();
Password.Key = PasswordKey;
byte[] iv = new byte[16];
byte[] salt = new byte[4];
OpCore lookup = null;
if (Core != null)
lookup = Core.Context.Lookup;
try
{
using (TaggedStream file = new TaggedStream(ProfilePath, Protocol, ProcessSplash)) // tagged with splash
{
// first 16 bytes IV, next 4 bytes is salt
file.Read(iv, 0, 16);
file.Read(salt, 0, 4);
Password.IV = iv;
using (CryptoStream crypto = new CryptoStream(file, Password.CreateDecryptor(), CryptoStreamMode.Read))
{
PacketStream stream = new PacketStream(crypto, Protocol, FileAccess.Read);
G2Header root = null;
while (stream.ReadPacket(ref root))
{
if (loadMode == LoadModeType.Settings)
{
if (root.Name == IdentityPacket.OperationSettings)
Settings = SettingsPacket.Decode(root);
if (root.Name == IdentityPacket.UserInfo && Core != null &&
(Core.Sim == null || !Core.Sim.Internet.FreshStart))
Core.IndexInfo(UserInfo.Decode(root));
// save icon to identity file because only root node saves icon/splash to link file
// to minimize link file size, but allow user to set custom icon/splash if there are not overrides
if (root.Name == IdentityPacket.Icon)
OpIcon = IconPacket.Decode(root).OpIcon;
}
if (lookup != null && (loadMode == LoadModeType.AllCaches || loadMode == LoadModeType.LookupCache))
{
if (root.Name == IdentityPacket.LookupCachedIP)
lookup.Network.Cache.AddSavedContact(CachedIP.Decode(root));
if (root.Name == IdentityPacket.LookupCachedWeb)
lookup.Network.Cache.AddWebCache(WebCache.Decode(root));
}
if (loadMode == LoadModeType.AllCaches)
{
if (root.Name == IdentityPacket.OpCachedIP)
Core.Network.Cache.AddSavedContact(CachedIP.Decode(root));
if (root.Name == IdentityPacket.OpCachedWeb)
Core.Network.Cache.AddWebCache(WebCache.Decode(root));
}
}
}
}
}
catch(Exception ex)
{
throw ex;
}
}
private void ApplyDiff(ulong id)
{
// change log - who / not
// read file uid
// if exists locally
// if integrated mark as so
// else mark as changed, run history diff, and use last note
// if doesnt exist
// add file as a temp
// user does - add to storage, to add it
// if remote doesnt have any record of local file, ignore
ChangeCount[id] = 0;
OpStorage storage = Storages.GetStorage(id);
if (storage == null)
{
FailedDiffs.Add(id);
return;
}
string path = Storages.GetFilePath(storage);
if (!File.Exists(path))
{
FailedDiffs.Add(id);
return;
}
try
{
using (TaggedStream filex = new TaggedStream(path, Core.GuiProtocol))
using (IVCryptoStream crypto = IVCryptoStream.Load(filex, storage.File.Header.FileKey))
{
PacketStream stream = new PacketStream(crypto, Storages.Protocol, FileAccess.Read);
ulong remoteUID = 0;
FolderNode currentFolder = RootFolder;
bool readingProject = false;
G2Header header = null;
while (stream.ReadPacket(ref header))
{
if (header.Name == StoragePacket.Root)
{
StorageRoot root = StorageRoot.Decode(header);
readingProject = (root.ProjectID == ProjectID);
}
if (readingProject)
{
if (header.Name == StoragePacket.Folder)
{
StorageFolder folder = StorageFolder.Decode(header);
// if new UID
if (remoteUID == folder.UID)
continue;
remoteUID = folder.UID;
// check scope
bool ignore = false;
if (folder.Scope.Count > 0 && !Trust.IsInScope(folder.Scope, UserID, ProjectID))
ignore = true;
bool added = false;
while (!added)
{
if (currentFolder.Details.UID == folder.ParentUID)
{
// if folder exists with UID
if (currentFolder.Folders.ContainsKey(remoteUID))
currentFolder = currentFolder.Folders[remoteUID];
// else add folder as temp, mark as changed
else
{
if (ignore) // temp so traverse works, but not saved in structure
{
currentFolder = new FolderNode(this, folder, currentFolder, false);
break;
}
else
currentFolder = currentFolder.AddFolderInfo(folder, true);
}
bool found = false;
currentFolder.Archived.LockReading(delegate()
{
foreach (StorageFolder archive in currentFolder.Archived)
if (Storages.ItemDiff(archive, folder) == StorageActions.None)
if (archive.Date == folder.Date)
{
found = true;
break;
}
});
if (!found)
{
currentFolder.Changes[id] = folder;
currentFolder.UpdateOverlay();
}
// diff file properties, if different, add as change
/*if (currentFolder.Temp || Storages.ItemDiff(currentFolder.Details, folder) != StorageActions.None)
{
currentFolder.Changes[id] = folder;
currentFolder.UpdateOverlay();
}*/
added = true;
}
else if (currentFolder.Parent.GetType() == typeof(FolderNode))
currentFolder = (FolderNode)currentFolder.Parent;
else
break;
}
}
if (header.Name == StoragePacket.File)
{
StorageFile file = StorageFile.Decode(header);
// if new UID
if (remoteUID == file.UID)
continue;
remoteUID = file.UID;
// check scope
if (file.Scope.Count > 0 && !Trust.IsInScope(file.Scope, UserID, ProjectID))
continue;
FileItem currentFile = null;
// if file exists with UID
if (currentFolder.Files.ContainsKey(remoteUID))
currentFile = currentFolder.Files[remoteUID];
// else add file as temp, mark as changed
else
currentFile = currentFolder.AddFileInfo(file, true);
// if file is integrated, still add, so that reject functions
// true if file doesnt exist in local file history
// if it does exist and file is newer than latest, true
bool found = false;
currentFile.Archived.LockReading(delegate()
{
foreach (StorageFile archive in currentFile.Archived)
if (Storages.ItemDiff(archive, file) == StorageActions.None)
if (archive.Date == file.Date)
{
found = true;
break;
}
});
if (!found)
currentFile.Changes[id] = file;
}
}
}
}
}
catch
{
FailedDiffs.Add(id);
}
}
public void Save()
{
if (Core != null && Core.InvokeRequired)
{
Debug.Assert(false);
Core.RunInCoreAsync(() => Save());
return;
}
string backupPath = ProfilePath.Replace(".dop", ".bak");
if( !File.Exists(backupPath) && File.Exists(ProfilePath))
File.Copy(ProfilePath, backupPath, true);
RijndaelManaged Password = new RijndaelManaged();
Password.Key = PasswordKey;
try
{
// Attach to crypto stream and write file
string tempPath = TempPath + Path.DirectorySeparatorChar + "firstsave";
if (Core != null)
tempPath = Core.GetTempPath();
using (FileStream file = new FileStream(tempPath, FileMode.Create))
{
// write encrypted part of file
Password.GenerateIV();
file.Write(Password.IV, 0, Password.IV.Length);
file.Write(PasswordSalt, 0, PasswordSalt.Length);
using (CryptoStream crypto = new CryptoStream(file, Password.CreateEncryptor(), CryptoStreamMode.Write))
{
PacketStream stream = new PacketStream(crypto, Protocol, FileAccess.Write);
stream.WritePacket(Settings);
if (Core != null)
{
if (Core.Context.Lookup != null)
{
Core.Context.Lookup.Network.Cache.SaveIPs(stream);
Core.Context.Lookup.Network.Cache.SaveWeb(stream);
}
Core.Network.Cache.SaveIPs(stream);
Core.Network.Cache.SaveWeb(stream);
Core.SaveKeyIndex(stream);
}
if (OpIcon != null)
stream.WritePacket(new IconPacket(IdentityPacket.Icon, OpIcon));
}
}
// write unencrypted splash
using (FileStream file = new FileStream(tempPath, FileMode.Open))
{
file.Seek(0, SeekOrigin.End);
long startpos = file.Position;
PacketStream stream = new PacketStream(file, Protocol, FileAccess.Write);
// get right splash image (only used for startup logo, main setting is in link file)
if (OpSplash != null)
{
MemoryStream mem = new MemoryStream();
OpSplash.Save(mem, ImageFormat.Jpeg);
LargeDataPacket.Write(stream, IdentityPacket.Splash, mem.ToArray());
}
else
LargeDataPacket.Write(stream, IdentityPacket.Splash, null);
file.WriteByte(0); // end packet stream
byte[] last = BitConverter.GetBytes(startpos);
file.Write(last, 0, last.Length);
}
File.Copy(tempPath, ProfilePath, true);
File.Delete(tempPath);
}
catch (Exception ex)
{
if (Core != null)
Core.ConsoleLog("Exception Identity::Save() " + ex.Message);
else
Core.UserMessage("Profile Save Error:\n" + ex.Message + "\nBackup Restored");
// restore backup
if (File.Exists(backupPath))
File.Copy(backupPath, ProfilePath, true);
}
File.Delete(backupPath);
}
private void Cache_FileAquired(OpVersionedFile cachefile)
{
try
{
// get link directly, even if in unloaded state we need the same reference
OpTrust trust = null;
TrustMap.SafeTryGetValue(cachefile.UserID, out trust);
if (trust == null)
{
trust = new OpTrust(cachefile);
TrustMap.SafeAdd(cachefile.UserID, trust);
}
else
trust.File = cachefile;
// clean roots, if link has loopID, remove loop node entirely, it will be recreated if needed later
ProjectRoots.LockReading(delegate()
{
foreach (uint project in ProjectRoots.Keys)
{
OpLink link = trust.GetLink(project);
if (link == null)
continue;
ThreadedList<OpLink> roots = ProjectRoots[project];
roots.SafeRemove(link);
// remove loop node
if (link.LoopRoot != null)
roots.LockReading(delegate()
{
foreach (OpLink root in roots)
if (root.UserID == link.LoopRoot.UserID)
{
roots.SafeRemove(root); // root is a loop node
// remove associations with loop node
foreach (OpLink downlink in root.Downlinks)
downlink.LoopRoot = null;
break;
}
});
}
});
trust.Reset();
// load data from link file
string inheritName = null;
string inheritOp = null;
Bitmap inheritIcon = null;
byte[] inheritSplash = null;
using (TaggedStream file = new TaggedStream(Cache.GetFilePath(cachefile.Header), Network.Protocol))
using (IVCryptoStream crypto = IVCryptoStream.Load(file, cachefile.Header.FileKey))
{
PacketStream stream = new PacketStream(crypto, Network.Protocol, FileAccess.Read);
G2Header packetRoot = null;
while (stream.ReadPacket(ref packetRoot))
{
if (packetRoot.Name == DataPacket.SignedData)
{
SignedData signed = SignedData.Decode(packetRoot);
G2Header embedded = new G2Header(signed.Data);
// figure out data contained
if (G2Protocol.ReadPacket(embedded))
{
if (embedded.Name == TrustPacket.ProjectData)
{
ProjectData project = ProjectData.Decode(embedded);
Process_ProjectData(trust, signed, project);
if (project.ID == 0)
{
inheritName = project.UserName;
inheritOp = project.Name;
}
}
else if (embedded.Name == TrustPacket.LinkData)
Process_LinkData(trust, signed, LinkData.Decode(embedded));
}
}
else if (packetRoot.Name == TrustPacket.WebCache)
Network.Cache.AddWebCache(WebCache.Decode(packetRoot));
else if (packetRoot.Name == TrustPacket.Icon)
inheritIcon = IconPacket.Decode(packetRoot).OpIcon;
else if (packetRoot.Name == TrustPacket.Splash)
{
LargeDataPacket splash = LargeDataPacket.Decode(packetRoot);
if (splash.Size > 0)
inheritSplash = LargeDataPacket.Read(splash, stream, TrustPacket.Splash);
}
}
}
// set new header
trust.Loaded = true;
// set as root if node has no uplinks
foreach (OpLink link in trust.Links.Values)
if (link.Uplink == null)
AddRoot(link);
// if uplink is unknown - process link data will search for the unknown parent
// if loop created, create new loop node with unique ID, assign all nodes in loop the ID and add as downlinks
foreach (OpLink link in trust.Links.Values)
if (IsLooped(link))
{
uint project = link.Project;
OpLink loop = new OpTrust(project, (ulong)Core.RndGen.Next()).GetLink(project);
loop.IsLoopRoot = true;
List<ulong> uplinks = GetUnconfirmedUplinkIDs(trust.UserID, project);
uplinks.Add(trust.UserID);
foreach (ulong uplink in uplinks)
{
OpLink member = GetLink(uplink, project);
if (member == null)
continue;
member.LoopRoot = loop;
loop.Downlinks.Add(member);
loop.Confirmed.Add(member.UserID); //needed for getlowers
}
AddRoot(loop);
}
trust.CheckRequestVersions();
if (LinkUpdate != null)
LinkUpdate.Invoke(trust);
if (Core.NewsWorthy(trust.UserID, 0, false))
Core.MakeNews(ServiceIDs.Trust, "Trust updated by " + Core.GetName(trust.UserID), trust.UserID, 0, true);
// update subs
if (Network.Established)
{
List<LocationData> locations = new List<LocationData>();
ProjectRoots.LockReading(delegate()
{
foreach (uint project in ProjectRoots.Keys)
if (Core.UserID == trust.UserID || IsHigher(trust.UserID, project))
GetLocsBelow(Core.UserID, project, locations);
});
Store.PublishDirect(locations, trust.UserID, ServiceID, 0, cachefile.SignedHeader);
}
// inherit local settings
if(Core.UserID == trust.UserID)
{
if (inheritName != null)
Core.User.Settings.UserName = inheritName;
}
// inherit settings from highest node, first node in loop
if (IsInheritNode(trust.UserID))
{
if (inheritOp != null)
Core.User.Settings.Operation = inheritOp;
if (inheritIcon != null)
{
Core.User.OpIcon = inheritIcon;
Core.User.IconUpdate();
}
if (inheritSplash != null)
Core.User.OpSplash = (Bitmap)Bitmap.FromStream(new MemoryStream(inheritSplash));
else
Core.User.OpSplash = null;
}
// update interface node
Core.RunInGuiThread(GuiUpdate, trust.UserID);
foreach (OpLink link in trust.Links.Values)
foreach (OpLink downlink in link.Downlinks)
Core.RunInGuiThread(GuiUpdate, downlink.UserID);
}
catch (Exception ex)
{
Network.UpdateLog("Link", "Error loading file " + ex.Message);
}
}
void ProcessSplash(PacketStream stream)
{
G2Header root = null;
if (stream.ReadPacket(ref root))
if (root.Name == IdentityPacket.Splash)
{
LargeDataPacket start = LargeDataPacket.Decode(root);
if (start.Size > 0)
{
byte[] data = LargeDataPacket.Read(start, stream, IdentityPacket.Splash);
OpSplash = (Bitmap)Bitmap.FromStream(new MemoryStream(data));
}
}
}
public void SaveLocal()
{
// create temp, write buddy list
string tempPath = Core.GetTempPath();
byte[] key = Utilities.GenerateKey(Core.StrongRndGen, 256);
using (IVCryptoStream crypto = IVCryptoStream.Save(tempPath, key))
{
PacketStream stream = new PacketStream(crypto, Network.Protocol, FileAccess.Write);
BuddyList.LockReading(() =>
{
foreach (OpBuddy buddy in BuddyList.Values)
stream.WritePacket(buddy);
});
IgnoreList.LockReading(() => // we need to ensure we have name/key for each ignore
{
foreach (OpBuddy ignore in IgnoreList.Values)
stream.WritePacket(ignore);
});
}
byte[] publicEncryptedKey = Core.User.Settings.KeyPair.Encrypt(key, false); //private key required to decrypt buddy list
Cache.UpdateLocal(tempPath, publicEncryptedKey, null);
}
private void LoadWorking()
{
OpStorage local = Storages.GetStorage(Core.UserID);
if (local == null)
return;
// load working
try
{
string path = Storages.GetWorkingPath(ProjectID);
byte[] key = Storages.LocalFileKey;
if (File.Exists(path)) // use locally committed storage file
{
Modified = true; // working file present on startup, meaning there are changes lingering to be committed
}
else
{
path = Storages.GetFilePath(local);
if (!File.Exists(path))
return;
key = local.File.Header.FileKey;
}
using (TaggedStream source = new TaggedStream(path, Protocol))
using (IVCryptoStream crypto = IVCryptoStream.Load(source, key))
{
PacketStream stream = new PacketStream(crypto, Protocol, FileAccess.Read);
G2Header header = null;
bool readingProject = false;
LocalFolder CurrentFolder = RootFolder;
string CurrentPath = RootPath;
while (stream.ReadPacket(ref header))
{
if (header.Name == StoragePacket.Root)
{
StorageRoot root = StorageRoot.Decode(header);
readingProject = (root.ProjectID == ProjectID);
}
if (readingProject)
{
if (header.Name == StoragePacket.Folder)
{
StorageFolder folder = StorageFolder.Decode(header);
bool added = false;
while (!added)
{
if (CurrentFolder.Info.UID == folder.ParentUID)
{
// tracked, so need to add multiple folders (archives) with same UIDs
CurrentFolder = CurrentFolder.AddFolderInfo(folder);
added = true;
}
else if (CurrentFolder.Parent == null) // error
break;
else if (CurrentFolder.Parent.GetType() == typeof(LocalFolder))
CurrentFolder = CurrentFolder.Parent;
else
break;
}
if (!added)
{
Debug.Assert(false);
throw new Exception("Error loading CFS");
}
}
if (header.Name == StoragePacket.File)
{
StorageFile file = StorageFile.Decode(header);
CurrentFolder.AddFileInfo(file);
}
}
}
}
}
catch (Exception ex)
{
Core.Network.UpdateLog("Storage", "Error loading headers " + ex.Message);
}
}
void Init(string path, G2Protocol protocol, ProcessTagsHandler processTags)
{
Seek(-8, SeekOrigin.End);
byte[] sizeBytes = new byte[8];
Read(sizeBytes, 0, sizeBytes.Length);
long fileSize = BitConverter.ToInt64(sizeBytes, 0);
if (processTags != null)
{
// read public packets
Seek(fileSize, SeekOrigin.Begin);
PacketStream stream = new PacketStream(this, protocol, FileAccess.Read);
// dont need to close packetStream
processTags.Invoke(stream);
}
// set public size down here so reading packet stream works without mixing up true file lenght
InternalSize = fileSize;
// set back to the beginning of the file
Seek(0, SeekOrigin.Begin);
}
public bool RefreshHigherChanges(ulong id)
{
// first remove changes from this id
RemoveHigherChanges(RootFolder, id);
bool save = false;
OpStorage storage = Storages.GetStorage(id);
if (storage == null)
return save;
// this is the first step in auto-integration
// go through this id's storage file, and add any changes or updates to our own system
string path = Storages.GetFilePath(storage);
if (!File.Exists(path))
return save;
try
{
using (TaggedStream filex = new TaggedStream(path, Protocol))
using (IVCryptoStream crypto = IVCryptoStream.Load(filex, storage.File.Header.FileKey))
{
PacketStream stream = new PacketStream(crypto, Protocol, FileAccess.Read);
ulong currentUID = 0;
LocalFolder currentFolder = RootFolder;
LocalFile currentFile = null;
bool ignoreCurrent = false;
bool readingProject = false;
G2Header header = null;
while (stream.ReadPacket(ref header))
{
if (header.Name == StoragePacket.Root)
{
StorageRoot root = StorageRoot.Decode(header);
readingProject = (root.ProjectID == ProjectID);
}
if (readingProject)
{
if (header.Name == StoragePacket.Folder)
{
StorageFolder readFolder = StorageFolder.Decode(header);
// if new uid
if (currentUID != readFolder.UID)
{
// if only 1 entry in changes for previous file, remove it, its probably a dupe of local
// and integration needs more than one file to happen
if (currentFolder.HigherChanges.ContainsKey(id) && currentFolder.HigherChanges[id].Count == 1)
currentFolder.HigherChanges.Remove(id);
// set new id
currentUID = readFolder.UID;
// check scope
ignoreCurrent = false;
if (readFolder.Scope.Count > 0 && !Core.Trust.IsInScope(readFolder.Scope, Core.UserID, ProjectID))
ignoreCurrent = true;
bool added = false;
while (!added)
{
if (currentFolder.Info.UID == readFolder.ParentUID)
{
LocalFolder subFolder = null;
if (currentFolder.Folders.SafeTryGetValue(currentUID, out subFolder))
currentFolder = subFolder;
else
{
// if ignoring, add folder so we can traverse id's file, but dont save changes to local storage mapping
if (ignoreCurrent)
{
currentFolder = new LocalFolder(currentFolder, readFolder);
break;
}
// check for conflicting name
currentFolder.Folders.LockReading(delegate()
{
foreach (LocalFolder subfolder in currentFolder.Folders.Values)
if (!subfolder.Info.IsFlagged(StorageFlags.Archived) && subfolder.Info.Name == readFolder.Name)
subfolder.Info.Name = subfolder.Info.Name + ".fix";
});
// if not found, create folder
currentFolder = currentFolder.AddFolderInfo(readFolder);
save = true;
}
added = true;
}
else if (currentFolder.Parent == null)
break; // error, couldn't find parent of folder that was read
else if (currentFolder.Parent.GetType() == typeof(LocalFolder))
currentFolder = currentFolder.Parent;
else
break;
}
}
// if file does not equal null
if (currentFolder != null && !ignoreCurrent)
{
// log change if file newer than ours
// if if not in higher's history
// or if file integrated by higher by a node we would have inherited from
// we look for our own file in higher changes, if there then we can auto integrate
if (readFolder.Date >= currentFolder.Info.Date)
if (readFolder.IntegratedID == 0 ||
readFolder.IntegratedID == Core.UserID ||
Core.Trust.IsAdjacent(readFolder.IntegratedID, ProjectID))
currentFolder.AddHigherChange(id, readFolder);
}
}
if (header.Name == StoragePacket.File)
{
StorageFile readFile = StorageFile.Decode(header);
// if new uid
if (currentUID != readFile.UID)
{
// if only 1 entry in changes for previous file, remove it, its probably a dupe of local
// and integration needs more than one file to happen
if (currentFile != null && currentFile.HigherChanges.ContainsKey(id) && currentFile.HigherChanges[id].Count == 1)
currentFile.HigherChanges.Remove(id);
// set new id
currentUID = readFile.UID;
currentFile = null;
// check scope
ignoreCurrent = false;
if (readFile.Scope.Count > 0 && !Core.Trust.IsInScope(readFile.Scope, Core.UserID, ProjectID))
{
ignoreCurrent = true;
continue;
}
// if file exists with UID, else add file as temp, mark as changed
if (!currentFolder.Files.SafeTryGetValue(currentUID, out currentFile))
{
// check for conflicting name
currentFolder.Files.LockReading(delegate()
{
foreach (LocalFile checkFile in currentFolder.Files.Values)
if (!checkFile.Info.IsFlagged(StorageFlags.Archived) && checkFile.Info.Name == readFile.Name)
checkFile.Info.Name = checkFile.Info.Name + ".fix";
});
currentFile = currentFolder.AddFileInfo(readFile);
save = true;
if (!Storages.FileExists(currentFile.Info))
Storages.DownloadFile(id, currentFile.Info);
}
}
// if file does not equal null
if (currentFile != null && !ignoreCurrent)
{
if (readFile.Date >= currentFile.Info.Date)
if (readFile.IntegratedID == 0 ||
readFile.IntegratedID == Core.UserID ||
Core.Trust.IsAdjacent(readFile.IntegratedID, ProjectID))
currentFile.AddHigherChange(id, readFile);
}
}
}
}
}
}
catch
{
}
return save;
}
public string GenerateInvite(string pubLink, out string name)
{
IdentityLink ident = IdentityLink.Decode(pubLink);
// dont check opID, because invites come from different ops
name = ident.Name;
// deops://firesoft/invite/person@GlobalIM/originalopID~invitedata {op key web caches ips}
string link = string.Format("deops://{0}/invite/{1}@{2}/",
HttpUtility.UrlEncode(User.Settings.Operation),
HttpUtility.UrlEncode(ident.Name),
HttpUtility.UrlEncode(ident.OpName));
// encode invite info in user's public key
byte[] data = new byte[4096];
MemoryStream mem = new MemoryStream(data);
PacketStream stream = new PacketStream(mem, GuiProtocol, FileAccess.Write);
// write invite
OneWayInvite invite = new OneWayInvite();
invite.UserName = ident.Name;
invite.OpName = User.Settings.Operation;
invite.OpAccess = User.Settings.OpAccess;
invite.OpID = User.Settings.OpKey;
stream.WritePacket(invite);
// write some contacts
foreach (DhtContact contact in Network.Routing.GetCacheArea())
{
byte[] bytes = contact.Encode(GuiProtocol, InvitePacket.Contact);
mem.Write(bytes, 0, bytes.Length);
}
// write web caches
foreach (WebCache cache in Network.Cache.GetLastSeen(3))
stream.WritePacket(new WebCache(cache, InvitePacket.WebCache));
mem.WriteByte(0); // end packets
byte[] packets = Utilities.ExtractBytes(data, 0, (int)mem.Position);
byte[] encrypted = Utilities.KeytoRsa(ident.PublicKey).Encrypt(packets,false);
// ensure that this link is opened from the original operation remote's public key came from
byte[] final = Utilities.CombineArrays(ident.PublicOpID, encrypted);
return link + Utilities.BytestoHex(final);
}
public string GetPostTitle(OpPost post)
{
// loads info when first demanded, cached afterwards
if (post.Info == null)
try
{
string path = GetPostPath(post.Header);
if (!File.Exists(path))
return "";
post.Attached = new List<PostFile>();
using (TaggedStream file = new TaggedStream(path, Network.Protocol))
using (IVCryptoStream crypto = IVCryptoStream.Load(file, post.Header.FileKey))
{
PacketStream stream = new PacketStream(crypto, Network.Protocol, FileAccess.Read);
G2Header root = null;
while (stream.ReadPacket(ref root))
{
if (root.Name == BoardPacket.PostInfo)
post.Info = PostInfo.Decode(root);
else if (root.Name == BoardPacket.PostFile)
post.Attached.Add(PostFile.Decode(root));
}
}
}
catch (Exception ex)
{
Network.UpdateLog("Board", "Could not load post " + post.Header.SourceID.ToString() + ": " + ex.Message);
}
if (post.Info == null)
return "";
if (post.Header.ParentID == 0)
return post.Info.Subject;
else
return post.Info.Quip;
}
public void LoadHeaders()
{
List<string> goodPaths = new List<string>();
try
{
goodPaths.Add(HeaderPath);
if (!File.Exists(HeaderPath))
return;
using (IVCryptoStream crypto = IVCryptoStream.Load(HeaderPath, LocalKey))
{
PacketStream stream = new PacketStream(crypto, Network.Protocol, FileAccess.Read);
G2Header root = null;
while (stream.ReadPacket(ref root))
if (root.Name == DataPacket.SignedData)
{
SignedData signed = SignedData.Decode(root);
G2Header embedded = new G2Header(signed.Data);
// figure out data contained
if (G2Protocol.ReadPacket(embedded))
if (embedded.Name == DataPacket.VersionedFile)
{
VersionedFileHeader header = VersionedFileHeader.Decode(embedded);
if(header.FileHash != null)
goodPaths.Add(GetFilePath(header));
Process_VersionedFile(null, signed, header);
}
}
}
// remove loose files
foreach (string testPath in Directory.GetFiles(CachePath))
if (!goodPaths.Contains(testPath))
try { File.Delete(testPath); }
catch { }
}
catch (Exception ex)
{
Core.Network.UpdateLog("VersionedFile", "Error loading data " + ex.Message);
}
}
private void LoadHeaders()
{
List<string> goodPaths = new List<string>();
// load shared file lists
try
{
goodPaths.Add(HeaderPath);
if (!File.Exists(HeaderPath))
return;
using (IVCryptoStream crypto = IVCryptoStream.Load(HeaderPath, Core.User.Settings.FileKey))
{
PacketStream stream = new PacketStream(crypto, Network.Protocol, FileAccess.Read);
G2Header root = null;
while (stream.ReadPacket(ref root))
if (root.Name == SharePacket.Collection)
{
ShareCollection copy = ShareCollection.Decode(root, Core.UserID);
//crit - ensure public path exists before loading up
Local.Hash = copy.Hash;
Local.Size = copy.Size;
Local.Key = copy.Key;
}
else if (root.Name == SharePacket.File)
{
SharedFile file = SharedFile.Decode(root, Core.Network.Local.ClientID);
if (file.SystemPath != null && !File.Exists(GetFilePath(file)))
file.SystemPath = null;
file.FileID = OpTransfer.GetFileID(ServiceID, file.Hash, file.Size);
if (File.Exists(GetFilePath(file)))
{
file.Completed = true;
file.Sources.Add(Core.Network.Local);
}
// incomplete, ensure partial file is saved into next run if need be
else
{
foreach (OpTransfer partial in Core.Transfers.Partials.Where(p => p.FileID == file.FileID))
partial.SavePartial = true;
}
file.FileStatus = file.Completed ? "Secured" : "Incomplete";
Local.Files.SafeAdd(file);
// unhashed files aren't saved anymore
/* if app previous closed without hashing share, hash now
if (share.Hash == null && share.SystemPath != null &&
File.Exists(share.SystemPath))
ProcessFileShare(share);*/
}
}
// clears most of files in direcotry, others shared public lists are not persisted between runs
foreach (string testPath in Directory.GetFiles(SharePath))
if (!goodPaths.Contains(testPath))
try { File.Delete(testPath); }
catch { }
}
catch (Exception ex)
{
Network.UpdateLog("VersionedFile", "Error loading data " + ex.Message);
}
}
