/
ConnectorPlugin.cs
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/
ConnectorPlugin.cs
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using System;
using System.Globalization;
using System.IO;
using System.Text;
using System.Net;
using System.Linq;
using System.Collections.Generic;
using Microsoft.Xrm.Sdk;
using System.Net.Http;
using System.Web;
using System.Threading.Tasks;
using System.Diagnostics.CodeAnalysis;
using System.Threading;
using System.Runtime.Serialization.Json;
using Microsoft.Xrm.Sdk.Client;
namespace Datwendo.Crm.Sdk
{
/// <summary>
/// Datwendo sandboxed plug-in
/// </summary>
public sealed class ConnectorPlugin : IPlugin
{
private const string CCtorAPIController = "CCtor";
private const string DataCCtorAPIController = "DataCCtor";
private const string BlobCCtorAPIController = "BlobCCtor";
#region Base Requests Structures
public class CCtrRequest
{
public string Ky { get; set; }
}
public class CCtrResponse
{
public int Cd { get; set; }
public int Vl { get; set; }
}
public class CCtrRequest2 : CCtrRequest
{
public int Dl { get; set; }
}
// With publisher for Put
public class PubCCtrRequest : CCtrRequest
{
public int Pb { get; set; }
}
public class StringStorRequest : PubCCtrRequest
{
public string St { get; set; }
}
public class CCtrResponse2
{
public int Cd { get; set; }
public int Pr { get; set; }
public string Ky { get; set; }
}
#endregion // Base Requests
#region WebAPI Calls
// Extract a new transaction key from server
public bool TransacKey(ITracingService tracingService, Connector connector, out string NewKey)
{
tracingService.Trace("ConnectorPlugin: TransacKey BEG.");
bool ret = false;
NewKey = string.Empty;
CCtrRequest2 CParam = new CCtrRequest2
{
Ky = connector.SecretKey,
Dl = connector.TransacKeyDelay
};
tracingService.Trace("ConnectorPlugin: TransacKey Ky: {0}, Dl: {1}", CParam.Ky, CParam.Dl);
try
{
Stream str = Post4TransacSync(tracingService, connector, CParam);
DataContractJsonSerializer json2 = new DataContractJsonSerializer(typeof(CCtrResponse2));
CCtrResponse2 CRep = (CCtrResponse2)json2.ReadObject(str);
tracingService.Trace("ConnectorPlugin: TransacKey CRep.Cd: {0}", CRep.Cd);
if (CRep.Cd == 0)
{
ret = true;
NewKey = CRep.Ky;
tracingService.Trace("ConnectorPlugin: TransacKey NewKey: {0}", NewKey);
}
}
catch (Exception ex)
{
tracingService.Trace("ConnectorPlugin: ex: {0}, TransacKey {1} - {2}", new Object[] { ex.Message, connector.SecretKey, connector.Id });
ret = false;
}
tracingService.Trace("ConnectorPlugin: TransacKey END ret {0}", ret);
return ret;
}
private Stream Post4TransacSync(ITracingService tracingService, Connector connector, CCtrRequest2 CReq)
{
Stream resultStream = null;
try
{
Uri address = new Uri(string.Format("{0}/{1}/{2}", connector.ServiceUrl, CCtorAPIController, connector.Id));
DataContractJsonSerializer jsonSer = new DataContractJsonSerializer(typeof(CCtrRequest2));
MemoryStream ms = new MemoryStream();
jsonSer.WriteObject(ms, CReq);
ms.Position = 0;
StreamReader sr = new StreamReader(ms);
//Post the data
var httpWebRequest = (HttpWebRequest)WebRequest.Create(address);
httpWebRequest.Method = "POST";
httpWebRequest.ContentType = "application/json";
using (var streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()))
{
streamWriter.Write(sr.ReadToEnd());
streamWriter.Flush();
streamWriter.Close();
var response = (HttpWebResponse)httpWebRequest.GetResponse();
switch (response.StatusCode)
{
case HttpStatusCode.OK:
case HttpStatusCode.Accepted:
{
resultStream = response.GetResponseStream();
break;
}
default:
{
tracingService.Trace(string.Format("ConnectorPlugin: Post4TransacSync HTTP Status: {0} - Reason: {1}", response.StatusCode, response.StatusDescription));
break;
}
}
}
}
catch (Exception ex)
{
tracingService.Trace("ConnectorPlugin: Post4TransacSync ex: {0}, Error reading from WebAPI", ex);
throw;
}
return resultStream;
}
// Read the actual value for Connector
public bool Read(ITracingService tracingService,Connector connector,out int Val)
{
tracingService.Trace("ConnectorPlugin: Read BEG.");
bool ret = false;
Val = int.MinValue;
string NewKey = connector.SecretKey;
if (!connector.IsFast && !TransacKey(tracingService,connector, out NewKey))
return false;
string ky = HttpUtility.UrlEncode(NewKey);
try
{
Stream str = GetSync(tracingService, connector, ky);
DataContractJsonSerializer json2 = new DataContractJsonSerializer(typeof(CCtrResponse));
CCtrResponse CRep = (CCtrResponse)json2.ReadObject(str);
tracingService.Trace("ConnectorPlugin: Read CRep.Cd: {0}", CRep.Cd);
if (CRep.Cd == 0)
{
ret = true;
Val = CRep.Vl;
}
}
catch (Exception ex)
{
tracingService.Trace("ConnectorPlugin: Read ex: {0}, TransacKey {1} - {2}", new Object[] { ex.Message, connector.SecretKey, connector.Id });
return false;
}
return ret;
}
private Stream GetSync(ITracingService tracingService,Connector connector,string Ky)
{
Stream resultStream = null;
try
{
Uri address = new Uri(string.Format("{0}/{1}/{2}?Ky={3}", connector.ServiceUrl, CCtorAPIController, connector.Id, Ky));
var httpWebRequest = (HttpWebRequest)WebRequest.Create(address);
httpWebRequest.ContentType = "text/json";
httpWebRequest.Method = "GET";
using (var streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()))
{
streamWriter.Flush();
streamWriter.Close();
var response = (HttpWebResponse)httpWebRequest.GetResponse();
switch (response.StatusCode)
{
case HttpStatusCode.OK:
case HttpStatusCode.Accepted:
{
resultStream = response.GetResponseStream();
break;
}
default:
{
tracingService.Trace("ConnectorPlugin: GetSync HTTP Status: {0} - Reason: {1}", response.StatusCode, response.StatusDescription);
break;
}
}
}
}
catch (Exception ex)
{
tracingService.Trace("ConnectorPlugin: GetAsync ex: {0}, Error reading from WebAPI", ex);
throw;
}
return resultStream;
}
public bool ReadNext(ITracingService tracingService,Connector connector,out int newVal)
{
tracingService.Trace("ConnectorPlugin: ReadNext BEG.");
bool ret = false;
newVal = int.MinValue;
string NewKey = connector.SecretKey;
if (!connector.IsFast && !TransacKey(tracingService,connector, out NewKey))
return false;
PubCCtrRequest CReq = new PubCCtrRequest
{
Ky = NewKey,
Pb = connector.PublisherId
};
try
{
Stream str = PutSync(tracingService, connector, CReq);
DataContractJsonSerializer json2 = new DataContractJsonSerializer(typeof(CCtrResponse));
CCtrResponse CRep = (CCtrResponse)json2.ReadObject(str);
tracingService.Trace("ConnectorPlugin: ReadNext CRep.Cd: {0}", CRep.Cd);
if (CRep.Cd == 0)
{
newVal = CRep.Vl;
ret = true;
}
}
catch (Exception ex)
{
tracingService.Trace("ConnectorPlugin: ex: {0}, ReadNext {1} - {2}", new Object[] { ex.Message, connector.SecretKey, connector.Id });
ret = false;
}
tracingService.Trace("ConnectorPlugin: ReadNext END : {0}", ret);
return ret;
}
private Stream PutSync(ITracingService tracingService,Connector connector, PubCCtrRequest CReq)
{
Stream resultStream = null;
try
{
Uri address = new Uri(string.Format("{0}/{1}/{2}", connector.ServiceUrl, CCtorAPIController, connector.Id));
DataContractJsonSerializer jsonSer = new DataContractJsonSerializer(typeof(PubCCtrRequest));
MemoryStream ms = new MemoryStream();
jsonSer.WriteObject(ms, CReq);
ms.Position = 0;
StreamReader sr = new StreamReader(ms);
var httpWebRequest = (HttpWebRequest)WebRequest.Create(address);
httpWebRequest.ContentType = "text/json";
httpWebRequest.Method = "PUT";
using (var streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()))
{
streamWriter.Write(sr.ReadToEnd());
streamWriter.Flush();
streamWriter.Close();
var response = (HttpWebResponse)httpWebRequest.GetResponse();
switch (response.StatusCode)
{
case HttpStatusCode.OK:
case HttpStatusCode.Accepted:
{
resultStream = response.GetResponseStream();
break;
}
default:
{
tracingService.Trace("ConnectorPlugin: PutSync HTTP Status: {0} - Reason: {1}", response.StatusCode, response.StatusDescription);
break;
}
}
}
}
catch (Exception ex)
{
tracingService.Trace("ConnectorPlugin: PutSync ex: {0}, Error reading from WebAPI", ex);
throw;
}
return resultStream;
}
public bool ReadNextWithData(ITracingService tracingService, Connector connector, string strVal, out int newVal)
{
tracingService.Trace("ConnectorPlugin: ReadNextWithData BEG.");
bool ret = false;
newVal = int.MinValue;
string NewKey = connector.SecretKey;
if (!connector.IsFast && !TransacKey(tracingService, connector, out NewKey))
return false;
StringStorRequest CReq = new StringStorRequest
{
Ky = NewKey,
Pb = connector.PublisherId,
St = strVal
};
try
{
Stream str = PutSyncWithData(tracingService, connector, CReq);
DataContractJsonSerializer json2 = new DataContractJsonSerializer(typeof(CCtrResponse));
CCtrResponse CRep = (CCtrResponse)json2.ReadObject(str);
tracingService.Trace("ConnectorPlugin: ReadNextWithData CRep.Cd: {0}", CRep.Cd);
if (CRep.Cd == 0)
{
newVal = CRep.Vl;
ret = true;
}
}
catch (Exception ex)
{
tracingService.Trace("ConnectorPlugin: ex: {0}, ReadNextWithData {1} - {2}", new Object[] { ex.Message, connector.SecretKey, connector.Id });
ret = false;
}
tracingService.Trace("ConnectorPlugin: ReadNextWithData END : {0}", ret);
return ret;
}
private Stream PutSyncWithData(ITracingService tracingService, Connector connector, StringStorRequest CReq)
{
Stream resultStream = null;
try
{
Uri address = new Uri(string.Format("{0}/{1}/{2}", connector.ServiceUrl, DataCCtorAPIController, connector.Id));
DataContractJsonSerializer jsonSer = new DataContractJsonSerializer(typeof(StringStorRequest));
MemoryStream ms = new MemoryStream();
jsonSer.WriteObject(ms, CReq);
ms.Position = 0;
StreamReader sr = new StreamReader(ms);
var httpWebRequest = (HttpWebRequest)WebRequest.Create(address);
httpWebRequest.ContentType = "text/json";
httpWebRequest.Method = "PUT";
using (var streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()))
{
streamWriter.Write(sr.ReadToEnd());
streamWriter.Flush();
streamWriter.Close();
var response = (HttpWebResponse)httpWebRequest.GetResponse();
switch (response.StatusCode)
{
case HttpStatusCode.OK:
case HttpStatusCode.Accepted:
{
resultStream = response.GetResponseStream();
break;
}
default:
{
tracingService.Trace("ConnectorPlugin: PutSyncWithData HTTP Status: {0} - Reason: {1}", response.StatusCode, response.StatusDescription);
break;
}
}
}
}
catch (Exception ex)
{
tracingService.Trace("ConnectorPlugin: PutSyncWithData ex: {0}, Error reading from WebAPI", ex);
throw;
}
return resultStream;
}
// TBD
public bool ReadNextWithBlob(ITracingService tracingService, Connector connector, out int newVal)
{
return ReadNext(tracingService, connector, out newVal);
}
#endregion Web API calls
public ConnectorPlugin(string config)
{
if ( !String.IsNullOrEmpty(config))
{
}
}
public void Execute(IServiceProvider serviceProvider)
{
ITracingService tracingService = (ITracingService)serviceProvider.GetService(typeof(ITracingService));
try
{
tracingService.Trace("ConnectorPlugin: Config Execute BEG.");
IPluginExecutionContext context = (Microsoft.Xrm.Sdk.IPluginExecutionContext)serviceProvider.GetService(typeof(Microsoft.Xrm.Sdk.IPluginExecutionContext));
try
{
if (context.InputParameters.Contains("Target") && context.InputParameters["Target"] is Entity)
{
// Obtain the target entity from the input parameters.
Entity entity = (Entity)context.InputParameters["Target"];
// Find associated Connector
Connector connector = Connector.FindConnectors(serviceProvider,context,entity.LogicalName);
if ( connector != null )
{
tracingService.Trace(string.Format("ConnectorPlugin: RequestType: {0}.",connector.RequestType));
int newVal = 0;
switch (connector.RequestType)
{
case RequestType.NoData:
if (ReadNext(tracingService, connector, out newVal))
context.SharedVariables.Add("ConnectorId", newVal.ToString());
else context.SharedVariables.Add("ConnectorId", "Error");
break;
case RequestType.DataString:
if (ReadNextWithData(tracingService, connector, entity.Attributes[connector.SourceAttribute].ToString(),out newVal))
context.SharedVariables.Add("ConnectorId", newVal.ToString());
else context.SharedVariables.Add("ConnectorId", "Error");
break;
case RequestType.DataBlob:
if (ReadNextWithBlob(tracingService, connector, out newVal))
context.SharedVariables.Add("ConnectorId", newVal.ToString());
else context.SharedVariables.Add("ConnectorId", "Error");
break;
}
}
}
}
catch (Exception exception)
{
throw new InvalidPluginExecutionException(String.Format(CultureInfo.InvariantCulture,
"ConnectorPlugin: Execute ex {0}", exception.Message), exception);
}
}
catch (Exception e)
{
tracingService.Trace("ConnectorPlugin: Execute Ex: {0}", e.Message);
throw;
}
}
}
}