public object Execute(HttpWebRequest executeHttpRequest)
{
//We first validate that the user can use the service
if (!CanUse)
{
throw new Exception("The current user is not allowed to Execute on the service " + Name);
}
OpenGis.Wps.ExecuteResponse execResponse = null;
MemoryStream memStream = new MemoryStream();
try {
using (var executeResponse = (HttpWebResponse)executeHttpRequest.GetResponse()) {
using (var stream = executeResponse.GetResponseStream()) {
stream.CopyTo(memStream);
}
memStream.Seek(0, SeekOrigin.Begin);
var reader = new StreamReader(memStream);
string textResponse = reader.ReadToEnd();
log.Debug("Execute response : " + textResponse);
if (executeResponse.StatusCode != HttpStatusCode.OK)
{
log.Debug("Execute response code : " + executeResponse.StatusCode);
return(ExecuteError(memStream));
}
}
memStream.Seek(0, SeekOrigin.Begin);
execResponse = (ExecuteResponse) new System.Xml.Serialization.XmlSerializer(typeof(ExecuteResponse)).Deserialize(memStream);
return(execResponse);
} catch (WebException we) {
if (we.Response == null)
{
throw new Exception(we.Message);
}
using (WebResponse response = we.Response) {
using (var httpResponse = (HttpWebResponse)response) {
using (var stream = httpResponse.GetResponseStream()) {
stream.CopyTo(memStream);
}
log.Debug("Execute response code : " + httpResponse.StatusCode);
}
}
return(ExecuteError(memStream));
} catch (InvalidOperationException ioe) {
log.Error("InvalidOperationException : " + ioe.Message + " - " + ioe.StackTrace);
//bug 52 NORTH - to be removed once AIR updated
return(ExecuteError(memStream));
} catch (Exception e) {
log.Error("Execute request failed");
throw e;
} finally {
memStream.Close();
}
}
public object Get(ProxyWpsJobSearchRequestTep request)
{
var context = TepWebContext.GetWebContext(PagePrivileges.EverybodyView);
context.Open();
context.LogInfo(this, string.Format("/proxy/wps/{{jobid}}/search GET jobid='{0}'", request.jobid));
WpsJob wpsjob = WpsJob.FromIdentifier(context, request.jobid);
if (string.IsNullOrEmpty(wpsjob.StatusLocation))
{
throw new Exception("Invalid Status Location");
}
context.LogDebug(this, string.Format("Wps Proxy search for wpsjob {0}", wpsjob.Identifier));
HttpWebRequest executeHttpRequest;
if (wpsjob.Provider != null)
{
executeHttpRequest = wpsjob.Provider.CreateWebRequest(wpsjob.StatusLocation);
}
else
{
NetworkCredential credentials = null;
var uri = new UriBuilder(wpsjob.StatusLocation);
if (!string.IsNullOrEmpty(uri.UserName) && !string.IsNullOrEmpty(uri.Password))
{
credentials = new NetworkCredential(uri.UserName, uri.Password);
}
executeHttpRequest = WpsProvider.CreateWebRequest(wpsjob.StatusLocation, credentials, context.Username);
}
if (wpsjob.StatusLocation.Contains("gpod.eo.esa.int"))
{
executeHttpRequest.Headers.Add("X-UserID", context.GetConfigValue("GpodWpsUser"));
}
OpenGis.Wps.ExecuteResponse execResponse = null;
try {
context.LogDebug(this, string.Format("Wps proxy - exec response requested - {0}", executeHttpRequest.Address.AbsoluteUri));
using (var response = executeHttpRequest.GetResponse())
using (var stream = response.GetResponseStream())
execResponse = (OpenGis.Wps.ExecuteResponse) new System.Xml.Serialization.XmlSerializer(typeof(OpenGis.Wps.ExecuteResponse)).Deserialize(stream);
context.LogDebug(this, string.Format("Wps proxy - exec response OK"));
} catch (Exception e) {
context.LogError(this, e.Message, e);
}
if (execResponse == null)
{
throw new Exception("Unable to get execute response from proxied job");
}
execResponse.statusLocation = context.BaseUrl + "/wps/RetrieveResultServlet?id=" + wpsjob.Identifier;
context.LogDebug(this, string.Format("Proxy WPS - uri: " + execResponse.statusLocation));
AtomFeed feed = new AtomFeed();
if (execResponse.ProcessOutputs != null)
{
foreach (OutputDataType output in execResponse.ProcessOutputs)
{
if (output.Identifier != null && output.Identifier.Value != null && output.Identifier.Value.Equals("result_metadata"))
{
context.LogDebug(this, string.Format("Wps proxy - metadata"));
if (output.Item is OutputReferenceType)
{
var reference = output.Item as OutputReferenceType;
HttpWebRequest atomRequest;
if (wpsjob.Provider != null)
{
atomRequest = wpsjob.Provider.CreateWebRequest(reference.href);
}
else
{
NetworkCredential credentials = null;
var uri = new UriBuilder(reference.href);
if (!string.IsNullOrEmpty(uri.UserName) && !string.IsNullOrEmpty(uri.Password))
{
credentials = new NetworkCredential(uri.UserName, uri.Password);
}
atomRequest = WpsProvider.CreateWebRequest(reference.href, credentials, context.Username);
}
feed = CreateFeedForMetadata(atomRequest);
}
else if (output.Item is DataType)
{
var item = ((DataType)(output.Item)).Item as ComplexDataType;
var reference = item.Reference as OutputReferenceType;
HttpWebRequest atomRequest;
if (wpsjob.Provider != null)
{
atomRequest = wpsjob.Provider.CreateWebRequest(reference.href);
}
else
{
NetworkCredential credentials = null;
var uri = new UriBuilder(reference.href);
if (!string.IsNullOrEmpty(uri.UserName) && !string.IsNullOrEmpty(uri.Password))
{
credentials = new NetworkCredential(uri.UserName, uri.Password);
}
atomRequest = WpsProvider.CreateWebRequest(reference.href, credentials, context.Username);
}
feed = CreateFeedForMetadata(atomRequest);
}
}
else
{
if (output.Item is DataType && ((DataType)(output.Item)).Item != null)
{
var item = ((DataType)(output.Item)).Item as ComplexDataType;
if (item.Any != null && item.Any [0].LocalName != null)
{
if (item.Any [0].LocalName.Equals("RDF"))
{
context.LogDebug(this, string.Format("Wps proxy - RDF"));
feed = CreateFeedForRDF(item.Any [0], request.jobid, context.BaseUrl);
}
else if (item.Any [0].LocalName.Equals("metalink"))
{
context.LogDebug(this, string.Format("Wps proxy - metalink"));
feed = CreateFeedForMetalink(item.Any [0], request.jobid, context.BaseUrl, context);
}
}
}
}
}
}
/* Proxy id + add self */
foreach (var item in feed.Items)
{
var self = context.BaseUrl + "/proxy/wps/" + wpsjob.Identifier + "/search?uid=" + HttpUtility.UrlEncode(item.Id);
var search = context.BaseUrl + "/proxy/wps/" + wpsjob.Identifier + "/description";
item.Id = self;
item.Links.Add(Terradue.ServiceModel.Syndication.SyndicationLink.CreateSelfLink(new Uri(self), "application/atom+xml"));
item.Links.Add(new Terradue.ServiceModel.Syndication.SyndicationLink(new Uri(search), "search", "OpenSearch Description link", "application/opensearchdescription+xml", 0));
}
feed.Id = wpsjob.StatusLocation;
var ose = MasterCatalogue.OpenSearchEngine;
Type responseType = OpenSearchFactory.ResolveTypeFromRequest(HttpContext.Current.Request.QueryString, HttpContext.Current.Request.Headers, ose);
var ext = ose.GetFirstExtensionByTypeAbility(responseType);
var osfeed = new AtomFeedOpenSearchable(feed);
IOpenSearchResultCollection osr = ose.Query(osfeed, HttpContext.Current.Request.QueryString, responseType);
var osrDesc = new Uri(context.BaseUrl + "/proxy/wps/" + wpsjob.Identifier + "/description");
osr.Links.Add(new Terradue.ServiceModel.Syndication.SyndicationLink(osrDesc, "search", "OpenSearch Description link", "application/opensearchdescription+xml", 0));
context.Close();
return(new HttpResult(osr.SerializeToString(), osr.ContentType));
}
