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mantis 8651: try to fix items embedded in notecards. This may need more work

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UbitUmarov
2020-02-06 06:12:51 +00:00
parent 3196d2fa6f
commit 18f2e25b23
2 changed files with 388 additions and 24 deletions
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248
OpenSim/Framework/SLUtil.cs
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@@ -28,6 +28,7 @@
using OpenMetaverse;
using System;
using System.Collections.Generic;
using System.Globalization;
namespace OpenSim.Framework
{
@@ -190,6 +191,56 @@ namespace OpenSim.Framework
private static Dictionary<sbyte, string> inventory2Content;
private static Dictionary<string, sbyte> content2Asset;
private static Dictionary<string, sbyte> content2Inventory;
private static Dictionary<string, AssetType> name2Asset = new Dictionary<string, AssetType>()
{
{"texture", AssetType.Texture },
{"sound", AssetType.Sound},
{"callcard", AssetType.CallingCard},
{"landmark", AssetType.Landmark},
{"script", (AssetType)4},
{"clothing", AssetType.Clothing},
{"object", AssetType.Object},
{"notecard", AssetType.Notecard},
{"category", AssetType.Folder},
{"lsltext", AssetType.LSLText},
{"lslbyte", AssetType.LSLBytecode},
{"txtr_tga", AssetType.TextureTGA},
{"bodypart", AssetType.Bodypart},
{"snd_wav", AssetType.SoundWAV},
{"img_tga", AssetType.ImageTGA},
{"jpeg", AssetType.ImageJPEG},
{"animatn", AssetType.Animation},
{"gesture", AssetType.Gesture},
{"simstate", AssetType.Simstate},
{"mesh", AssetType.Mesh}
// "settings", AssetType.Settings}
};
private static Dictionary<string, FolderType> name2Inventory = new Dictionary<string, FolderType>()
{
{"texture", FolderType.Texture},
{"sound", FolderType.Sound},
{"callcard", FolderType.CallingCard},
{"landmark", FolderType.Landmark},
{"script", (FolderType)4},
{"clothing", FolderType.Clothing},
{"object", FolderType.Object},
{"notecard", FolderType.Notecard},
{"root", FolderType.Root},
{"lsltext", FolderType.LSLText},
{"bodypart", FolderType.BodyPart},
{"trash", FolderType.Trash},
{"snapshot", FolderType.Snapshot},
{"lostandfound", FolderType.LostAndFound},
{"animatn", FolderType.Animation},
{"gesture", FolderType.Gesture},
{"favorites", FolderType.Favorites},
{"currentoutfit", FolderType.CurrentOutfit},
{"outfit", FolderType.Outfit},
{"myoutfits", FolderType.MyOutfits},
{"mesh", FolderType.Mesh},
// "settings", FolderType.Settings},
{"suitcase", FolderType.Suitcase}
};
static SLUtil()
{
@@ -227,6 +278,20 @@ namespace OpenSim.Framework
}
}
public static AssetType SLAssetName2Type(string name)
{
if (name2Asset.TryGetValue(name, out AssetType type))
return type;
return AssetType.Unknown;
}
public static FolderType SLInvName2Type(string name)
{
if (name2Inventory.TryGetValue(name, out FolderType type))
return type;
return FolderType.None;
}
public static string SLAssetTypeToContentType(int assetType)
{
string contentType;
@@ -534,5 +599,188 @@ namespace OpenSim.Framework
{
return readNotecard(rawInput).Replace("\r", "").Split('\n');
}
private static int skipcontrol(string data, int indx)
{
while(indx < data.Length)
{
char c = data[indx];
switch(c)
{
case '\n':
case '\t':
case '{':
++indx;
break;
default:
return indx;
}
}
return -1;
}
[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)]
static int checkfield(string note, int start, string name, out int end)
{
end = -1;
int limit = note.Length - start;
if(limit > 64)
limit = 64;
int indx = note.IndexOf(name, start, limit);
if (indx < 0)
return -1;
indx += name.Length;
indx = skipcontrol(note, indx);
if (indx < 0)
return -1;
end = note.IndexOfAny(seps, indx);
if (end < 0)
return -1;
return indx;
}
static char[] seps = new char[]{ '\t','\n'};
public static InventoryItemBase GetEmbeddedItem(byte[] data, UUID itemID)
{
if(data == null || data.Length < 200)
return null;
string note = Util.UTF8.GetString(data);
if (String.IsNullOrWhiteSpace(note))
return null;
int start = note.IndexOf(itemID.ToString());
if (start < 0)
return null;
int end;
start = note.IndexOf("permissions", start, 100);
if (start < 0)
return null;
start = checkfield(note, start, "base_mask", out end);
if (start < 0)
return null;
if (!uint.TryParse(note.Substring(start, end - start), NumberStyles.HexNumber, Culture.NumberFormatInfo, out uint basemask))
return null;
start = checkfield(note, end, "owner_mask", out end);
if (start < 0)
return null;
if (!uint.TryParse(note.Substring(start, end - start), NumberStyles.HexNumber, Culture.NumberFormatInfo, out uint ownermask))
return null;
start = checkfield(note, end, "group_mask", out end);
if (start < 0)
return null;
if (!uint.TryParse(note.Substring(start, end - start), NumberStyles.HexNumber, Culture.NumberFormatInfo, out uint groupmask))
return null;
start = checkfield(note, end, "everyone_mask", out end);
if (start < 0)
return null;
if (!uint.TryParse(note.Substring(start, end - start), NumberStyles.HexNumber, Culture.NumberFormatInfo, out uint everyonemask))
return null;
start = checkfield(note, end, "next_owner_mask", out end);
if (start < 0)
return null;
if (!uint.TryParse(note.Substring(start, end - start), NumberStyles.HexNumber, Culture.NumberFormatInfo, out uint nextownermask))
return null;
start = checkfield(note, end, "creator_id", out end);
if (start < 0)
return null;
if (!UUID.TryParse(note.Substring(start, end - start), out UUID creatorID))
return null;
start = checkfield(note, end, "owner_id", out end);
if (start < 0)
return null;
if (!UUID.TryParse(note.Substring(start, end - start), out UUID ownerID))
return null;
/*
start = checkfield(note, end, "last_owner_id", out end);
if (start < 0)
return null;
if (!UUID.TryParse(note.Substring(start, end - start), out UUID lastownerID))
return null;
*/
int limit = note.Length - end;
if (limit > 120)
limit = 120;
end = note.IndexOf('}', end, limit); // last owner
start = checkfield(note, end, "asset_id", out end);
if (start < 0)
return null;
if (!UUID.TryParse(note.Substring(start, end - start), out UUID assetID))
return null;
start = checkfield(note, end, "type", out end);
if (start < 0)
return null;
string typestr = note.Substring(start, end - start);
AssetType assetType = SLAssetName2Type(typestr);
start = checkfield(note, end, "inv_type", out end);
if (start < 0)
return null;
string inttypestr = note.Substring(start, end - start);
FolderType invType = SLInvName2Type(inttypestr);
start = checkfield(note, end, "flags", out end);
if (start < 0)
return null;
if (!uint.TryParse(note.Substring(start, end - start), NumberStyles.HexNumber, Culture.NumberFormatInfo, out uint flags))
return null;
limit = note.Length - end;
if (limit > 120)
limit = 120;
end = note.IndexOf('}', end, limit); // skip sale
start = checkfield(note, end, "name", out end);
if (start < 0)
return null;
string name = note.Substring(start, end - start - 1);
start = checkfield(note, end, "desc", out end);
if (start < 0)
return null;
string desc = note.Substring(start, end - start - 1);
/*
start = checkfield(note, end, "creation_date", out end);
if (start < 0)
return null;
if (!int.TryParse(note.Substring(start, end - start), out int creationdate))
return null;
*/
InventoryItemBase item = new InventoryItemBase();
item.AssetID = assetID;
item.AssetType = (sbyte)assetType;
item.BasePermissions = basemask;
item.CreationDate = Util.UnixTimeSinceEpoch();
item.CreatorData = "";
item.CreatorId = creatorID.ToString();
item.CurrentPermissions = ownermask;
item.Description = desc;
item.Flags = flags;
item.Folder = UUID.Zero;
item.GroupID = UUID.Zero;
item.GroupOwned = false;
item.GroupPermissions = groupmask;
item.InvType = (sbyte)invType;
item.Name = name;
item.NextPermissions = nextownermask;
item.Owner = ownerID;
item.SalePrice = 0;
item.SaleType = (byte)SaleType.Not;
item.ID = UUID.Random();
return item;
}
}
}