285 lines
9.1 KiB
C#
285 lines
9.1 KiB
C#
/*
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OpenDHT.NET library, based on XML-RPC.NET
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Copyright (c) 2006, Michel Foucault <mmarsu@gmail.com>
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation
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files (the "Software"), to deal in the Software without restriction,
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including without limitation the rights to use, copy, modify, merge,
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publish, distribute, sublicense, and/or sell copies of the Software,
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and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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*/
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using System;
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using System.Text;
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using System.Collections;
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using System.Security.Cryptography;
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using CookComputing.XmlRpc;
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namespace OpenDHTLib
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{
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public abstract class OpenDHTBase : IOpenDHT
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{
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#region Put
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public int Put(string key, string data, int ttl)
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{
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byte[] keyBytes = GetBytes(key);
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byte[] dataBytes = GetBytes(data);
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return Put(keyBytes, dataBytes, ttl);
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}
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public int Put(string key, byte[] data, int ttl)
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{
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byte[] keyBytes = GetBytes(key);
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return Put(keyBytes, data, ttl);
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}
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public int Put(IOpenDHTKeyValue keyValue)
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{
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return Put(keyValue.Key, keyValue.Value, keyValue.TTL);
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}
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public int Put(byte[] key, byte[] data, int ttl)
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{
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return Put(key, data, ttl, ApplicationName);
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}
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public int Put(byte[] key, byte[] data, int ttl, string application)
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{
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key = HashAlgorithm.ComputeHash(key);
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return Proxy.Put(key, data, ttl, application);
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}
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#endregion
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#region PutRemovable
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public int PutRemovable(string key, string data, string secret, int ttl)
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{
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byte[] keyBytes = GetBytes(key);
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byte[] dataBytes = GetBytes(data);
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return PutRemovable(keyBytes, dataBytes, secret, ttl);
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}
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public int PutRemovable(string key, byte[] data, string secret, int ttl)
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{
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byte[] keyBytes = GetBytes(key);
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return PutRemovable(keyBytes, data, secret, ttl);
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}
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public int PutRemovable(IOpenDHTKeyValue keyValue)
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{
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if (keyValue.Secret == null)
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return PutRemovable(keyValue.Key, keyValue.Value, ApplicationName, keyValue.TTL);
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return PutRemovable(keyValue.Key, keyValue.Value, keyValue.Secret, keyValue.TTL);
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}
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public int PutRemovable(byte[] key, byte[] data, string secret, int ttl)
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{
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byte[] hash = HashAlgorithm.ComputeHash(GetBytes(secret));
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return PutRemovable(key, data, HashAlgo, hash, ttl, ApplicationName);
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}
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public int PutRemovable(byte[] key, byte[] data, string algo, byte[] hash, int ttl, string application)
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{
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key = HashAlgorithm.ComputeHash(key);
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return Proxy.PutRemovable(key, data, algo, hash, ttl, application);
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}
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#endregion
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#region Get
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public object[] Get(string key, int maxvals, byte[] pm)
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{
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byte[] keyBytes = GetBytes(key);
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return Get(keyBytes, maxvals, pm);
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}
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public object[] Get(byte[] key, int maxvals, byte[] pm)
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{
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return Get(key, maxvals, pm, ApplicationName);
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}
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public object[] Get(byte[] key, int maxvals, byte[] pm, string application)
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{
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key = HashAlgorithm.ComputeHash(key);
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return Proxy.Get(key, maxvals, pm, application);
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}
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#endregion
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#region GetDetails
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public object[] GetDetails(string key, int maxvals, byte[] pm)
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{
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byte[] keyBytes = GetBytes(key);
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return GetDetails(keyBytes, maxvals, pm);
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}
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public object[] GetDetails(byte[] key, int maxvals, byte[] pm)
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{
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return GetDetails(key, maxvals, pm, ApplicationName);
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}
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public object[] GetDetails(byte[] key, int maxvals, byte[] pm, string application)
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{
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key = HashAlgorithm.ComputeHash(key);
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return Proxy.GetDetails(key, maxvals, pm, application);
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}
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#endregion
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#region Rm
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public int Rm(string key, string data, string secret, int ttl)
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{
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byte[] dataBytes = GetBytes(data);
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return Rm(key, dataBytes, secret, ttl);
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}
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public int Rm(IOpenDHTKeyValue keyValue)
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{
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if (keyValue.Secret == null)
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return Rm(keyValue.Key, keyValue.Value, ApplicationName, keyValue.TTL);
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return Rm(keyValue.Key, keyValue.Value, keyValue.Secret, keyValue.TTL);
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}
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public int Rm(byte[] key, byte[] data, string secret, int ttl)
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{
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byte[] secretBytes = GetBytes(secret);
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return Rm(key, data, secretBytes, ttl);
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}
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public int Rm(string key, byte[] data, string secret, int ttl)
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{
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byte[] keyBytes = GetBytes(key);
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byte[] secretBytes = GetBytes(secret);
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return Rm(keyBytes, data, secretBytes, ttl);
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}
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public int Rm(byte[] key, byte[] data, byte[] secret, int ttl)
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{
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return Rm(key, data, HashAlgo, secret, ttl, ApplicationName);
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}
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public int Rm(byte[] key, byte[] data, string algo, byte[] secret, int ttl, string application)
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{
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key = HashAlgorithm.ComputeHash(key);
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byte[] dataHash = HashAlgorithm.ComputeHash(data);
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return Proxy.Rm(key, dataHash, algo, secret, ttl, application);
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}
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#endregion
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#region Overridable
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public string ApplicationName { get { return "OpenDht.Net v0.1"; } }
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protected string HashAlgo { get { return "SHA"; } }
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protected HashAlgorithm HashAlgorithm
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{
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get
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{
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HashAlgorithm hashAlgorithm = null;
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if (hashAlgorithm == null)
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{
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hashAlgorithm = SHA1.Create();
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hashAlgorithm.Initialize();
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}
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return hashAlgorithm;
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}
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}
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public int Maxvals { get { return 50; } }
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#endregion
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#region Helper
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public delegate object ProcessDelegate(byte[] data);
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public abstract object GetValue(byte[] data);
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protected object[] GetValues(string key)
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{
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ArrayList ret = new ArrayList();
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byte[] pm = new byte[0];
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do
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{
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object[] get = Get(key, Maxvals, pm);
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pm = (byte[])get[1];
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get = (object[])get[0];
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foreach (object obj in get)
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{
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object val = GetValue((byte[])obj);
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if (val != null)
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ret.Add(val);
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}
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}
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while (pm.Length != 0);
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return ret.ToArray();
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}
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protected object[] GetDetailsValues(string key)
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{
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ArrayList ret = new ArrayList();
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byte[] pm = new byte[0];
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do
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{
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object[] get = GetDetails(key, Maxvals, pm);
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pm = (byte[])get[1];
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get = (object[])get[0];
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foreach (object[] obj in get)
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{
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OpenDHTMessageDetails details = new OpenDHTMessageDetails();
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details.Data = (byte[])obj[0];
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details.TTL = (int)obj[1];
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details.Algo = (string)obj[2];
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details.Hash = (byte[])obj[3];
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object val = GetValue(details.Data);
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if (val != null)
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ret.Add(details);
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}
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}
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while (pm.Length != 0);
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return ret.ToArray();
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}
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protected IOpenDHT proxy = null;
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public IOpenDHT Proxy
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{
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get
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{
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if (proxy == null)
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{
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proxy = XmlRpcProxyGen.Create(typeof(IOpenDHT)) as IOpenDHT;
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(proxy as XmlRpcClientProtocol).UseIndentation = false;
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}
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return proxy;
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}
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}
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public static byte[] GetBytes(string str)
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{
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return Encoding.UTF8.GetBytes(str);
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}
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public static string GetString(byte[] data)
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{
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string ret = string.Empty;
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try
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{
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ret = Encoding.UTF8.GetString(data);
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}
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catch { ret = string.Empty; }
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return ret;
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}
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#endregion
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}
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}
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