public bool WritePayload(string pathwayId, string payload)
{
bool completed = false;
if (!Pathways.ContainsKey(pathwayId))
{
throw new ArgumentException($"Pathway id not found: {pathwayId}");
}
string sendPayload = null;
if (!string.IsNullOrWhiteSpace(this.EncryptKey))
{
sendPayload = MakeEncryptedPayload(payload);
}
else
{
sendPayload = Base64EncodeString(payload, true);
}
int fullCircleIndex = RestApiUriUseIndex;
int serversLeft = RestApiUris.Count;
while (serversLeft > 0 && !completed)
{
serversLeft--;
var baseUri = RestApiUris[RestApiUriUseIndex];
RestApiUriUseIndex++;
if (RestApiUriUseIndex == RestApiUris.Count)
{
RestApiUriUseIndex = 0;
}
RestApiResponse r = MakeTheCall(
baseUri + $"/api/pathways/{pathwayId}/payloads/write",
"POST",
new string[] { $"Access-Token: {this.UserAccessToken}", $"Pathway-Token: {Pathways[pathwayId].WriteToken}", "content-type: text/plain" },
sendPayload
);
switch (r.StatusCode)
{
case 200:
completed = true;
break;
case 429:
continue; // try the next server
case 409:
continue; // try the next server
default:
throw new IOException($"{r.StatusCode}: {r.StatusDescription}");
}
}
return(completed);
}
public string ReadPayload(string pathwayId)
{
string result = string.Empty;
if (!Pathways.ContainsKey(pathwayId))
{
throw new ArgumentException($"Pathway id not found: {pathwayId}");
}
int fullCircleIndex = RestApiUriUseIndex;
bool completed = false;
int serversLeft = RestApiUris.Count;
while (serversLeft > 0 && !completed)
{
serversLeft--;
var baseUri = RestApiUris[RestApiUriUseIndex];
RestApiUriUseIndex++;
if (RestApiUriUseIndex == RestApiUris.Count)
{
RestApiUriUseIndex = 0;
}
RestApiResponse r = MakeTheCall(
baseUri + $"/api/pathways/{pathwayId}/payloads/read",
"GET",
new string[] { $"Access-Token: {this.UserAccessToken}", $"Pathway-Token: {Pathways[pathwayId].ReadToken}", "Accept: tet/plain" },
string.Empty
);
switch (r.StatusCode)
{
case 204:
// no payload at this Uri: try the next one.
continue;
case 200:
if (!string.IsNullOrWhiteSpace(this.EncryptKey))
{
result = ReadEncryptedPayload(r.Body);
}
else
{
result = Base64DecodeString(r.Body);
}
completed = true;
break;
default:
throw new IOException($"{r.StatusCode}: {r.StatusDescription}");
}
}
return(result);
}
public void ServerShutdown()
{
foreach (var key in RestApiUris.Keys)
{
RestApiResponse r = MakeTheCall(
RestApiUris[key] + "/api/admin/shutdown",
"GET",
new string[] { $"Access-Token: {this.SuperAccessToken}" },
string.Empty
);
switch (r.StatusCode)
{
case 200:
break;
default:
throw new IOException(r.StatusDescription);
}
}
}
public string GetReference(string pathwayId, string referenceKey)
{
string result = string.Empty;
if (!Pathways.ContainsKey(pathwayId))
{
throw new ArgumentException($"Pathway id not found: {pathwayId}");
}
foreach (var key in RestApiUris.Keys)
{
RestApiResponse r = MakeTheCall(
RestApiUris[key] + $"/api/pathways/{pathwayId}/references/get/{referenceKey}",
"GET",
new string[] { $"Access-Token: {this.UserAccessToken}", $"Pathway-Token: {Pathways[pathwayId].ReadToken}" },
string.Empty
);
switch (r.StatusCode)
{
case 204:
// no reference at this Uri: try the next one.
continue;
case 200:
if (!string.IsNullOrWhiteSpace(this.EncryptKey))
{
result = ReadEncryptedPayload(r.Body);
}
else
{
result = Base64DecodeString(r.Body);
}
break;
default:
throw new IOException($"{r.StatusCode}: {r.StatusDescription}");
}
}
return(result);
}
public void DeletePathway(string id)
{
if (!Pathways.ContainsKey(id))
{
throw new ArgumentException($"Pathway id not found: {id}");
}
foreach (var key in RestApiUris.Keys)
{
RestApiResponse r = MakeTheCall(
RestApiUris[key] + $"/api/pathways/delete/{id}",
"GET",
new string[] { $"Access-Token: {this.AdminAccessToken}" },
string.Empty
);
switch (r.StatusCode)
{
case 200:
break;
default:
throw new IOException($"{r.StatusCode}: {r.StatusDescription}");
}
}
}
public string ServerClients()
{
StringBuilder result = new StringBuilder();
result.AppendLine("{");
int index = 0;
foreach (var key in RestApiUris.Keys)
{
RestApiResponse r = MakeTheCall(
RestApiUris[key] + "/api/admin/clients",
"GET",
new string[] { $"Access-Token: {this.AdminAccessToken}" },
string.Empty
);
switch (r.StatusCode)
{
case 200:
Uri u = new Uri(RestApiUris[key]);
result.Append(r.Body);
break;
default:
result.Append($"\"{key}\": {{ \"statusCode\": \"{r.StatusCode}\", \"statusDescription\": \"{r.StatusDescription}\" }}");
break;
}
index++;
if (index != RestApiUris.Keys.Count)
{
result.Append(",");
}
result.AppendLine();
}
result.AppendLine("}");
return(result.ToString());
}
private RestApiResponse MakeTheCall(string url, string method, string[] headers, string body)
{
var result = new RestApiResponse();
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
HttpWebResponse response = null;
try
{
request.Credentials = CredentialCache.DefaultCredentials;
request.CachePolicy = new System.Net.Cache.RequestCachePolicy(System.Net.Cache.RequestCacheLevel.NoCacheNoStore);
((HttpWebRequest)request).UserAgent = ".NET BOG.Pathway.Client";
request.Method = method.ToUpper();
foreach (string headerLine in headers)
{
var breakpoint = headerLine.IndexOf(":");
var key = breakpoint == -1 ? headerLine.Trim() : headerLine.Substring(0, breakpoint);
var value = (breakpoint == -1 || breakpoint == (headerLine.Length - 1)) ? string.Empty : headerLine.Substring(breakpoint + 1).Trim();
if (key.ToLower() == "accept")
{
request.Accept = value;
}
else if (key.ToLower() == "content-type")
{
request.ContentType = value;
}
else
{
request.Headers.Set(key, value);
}
}
if (method.ToUpper() == "POST" || method.ToUpper() == "PUT")
{
request.ContentLength = body.Length;
using (var sw = new StreamWriter(request.GetRequestStream()))
{
sw.Write(body);
}
}
using (response = (HttpWebResponse)request.GetResponse())
{
result.StatusCode = (int)response.StatusCode;
result.StatusDescription = response.StatusDescription;
for (int index = 0; index < response.Headers.Count; index++)
{
var key = response.Headers.GetKey(index);
var values = response.Headers.GetValues(index);
if (key.ToLower() == "content-type")
{
result.ContentType = values[0];
}
}
result.Body = new StreamReader(response.GetResponseStream()).ReadToEnd().Replace("\r", string.Empty).Replace("\n", "\r\n");
}
}
catch (WebException webex)
{
if (webex.Status == WebExceptionStatus.ProtocolError && webex.Response != null)
{
var resp = (HttpWebResponse)webex.Response;
result.StatusCode = (int)resp.StatusCode;
result.StatusDescription = resp.StatusDescription;
}
else
{
result.StatusCode = 599;
result.StatusDescription = webex.Message;
}
}
catch (Exception err)
{
result.StatusCode = 999;
result.StatusDescription = err.Message;
}
return(result);
}
