public static string MakeInvocationExpression(string filename, string function, IList <string> proc_params,
IList <string> extra_params, IList <IXenObject> objs, bool debug)
{
filename = Placeholders.Substitute(filename, objs);
var expression = $"Invoke-Expression $(Get-Content -Path \"{filename}\" -Raw)";
if (!string.IsNullOrEmpty(function))
{
function = Placeholders.Substitute(function, objs);
}
if (!string.IsNullOrEmpty(function))
{
expression = $"{expression}; {function}";
}
if (debug)
{
expression = string.Format(DebugFunction, expression);
}
string xenArrayStatement = XenArrayStatement(proc_params);
string extraArrayStatement = ExtraArrayStatement(extra_params, objs);
return($"cd \"{Program.AssemblyDir}\"; {xenArrayStatement} {extraArrayStatement} {expression};");
}
public virtual Process CreateProcess(List <string> procParams, IList <IXenObject> targets)
{
Process proc = new Process();
proc.StartInfo.FileName = Filename;
// Targets can be null if the XenCenter node is being targetted, placeholders can cope with this
proc.StartInfo.FileName = Placeholders.Substitute(Filename, targets);
// 'Params' are defined in the plugin xml and may require substitution
List <string> allParams = new List <string>(Params);
for (int i = 0; i < allParams.Count; i++)
{
// sub in null, multi_target, or object properties depending on how many targets there are
allParams[i] = Placeholders.Substitute(allParams[i], targets);
}
// 'procParams' come from ExternalPluginAction, and are tuples about each target (require no substitution)
allParams.AddRange(procParams);
proc.StartInfo.Arguments = string.Join(" ", allParams.ToArray());
proc.StartInfo.UseShellExecute = !LogOutput;
proc.StartInfo.CreateNoWindow = !Window;
proc.StartInfo.WindowStyle = !Window ? ProcessWindowStyle.Hidden : ProcessWindowStyle.Normal;
proc.StartInfo.RedirectStandardOutput = LogOutput;
proc.StartInfo.RedirectStandardError = LogOutput;
return(proc);
}
public void SetUrl()
{
// Never update XenCenter node tabs once loaded
if (Browser.Url != null && Browser.Url.AbsoluteUri != "about:blank" && XenCenterOnly)
{
return;
}
BrowserState state;
if (SelectedXenObject == null)
{
// XenCenter node is selected, the placeholder code will sub in "null" for all placeholders
// After this point we will never update this url again for this node, so there is no need to store a browser state
state = new BrowserState(Placeholders.SubstituteUri(Url, SelectedXenObject), SelectedXenObject, Browser);
}
else if (BrowserStates.ContainsKey(SelectedXenObject))
{
state = BrowserStates[SelectedXenObject];
state.Uris = Placeholders.SubstituteUri(Url, SelectedXenObject);
}
else
{
state = new BrowserState(Placeholders.SubstituteUri(Url, SelectedXenObject), SelectedXenObject, Browser);
BrowserStates[SelectedXenObject] = state;
}
try
{
if (state.ObjectForScripting != null)
{
if (Credentials)
{
state.ObjectForScripting.LoginSession();
}
Browser.ObjectForScripting = state.ObjectForScripting;
}
lastBrowserState = state;
Browser.DocumentText = string.Empty;
Application.DoEvents();
lastBrowserState.IsError = false;
ShowStatus(string.Format(Messages.WEB_BROWSER_WAITING, ShortUri(state.Uris[0])));
Browser.Navigate(state.Uris[0]);
}
catch (Exception e)
{
log.Error(string.Format("Failed to set TabPage url to '{0}' for plugin '{1}'",
string.Join(",", state.Uris.ConvertAll(u => u.ToString()).ToArray()), PluginDescriptor.Name), e);
}
}
public static string MakeInvocationExpression(string filename, string function, IList <string> proc_params, IList <string> extra_params,
IList <IXenObject> objs, bool debug)
{
string expression = string.Format(InvokeExpression,
Placeholders.Substitute(filename, objs),
Placeholders.Substitute(function ?? "", objs));
string xenArrayStatement = XenArrayStatement(proc_params);
string extraArrayStatement = ExtraArrayStatement(extra_params, objs);
return(string.Format("cd \"{0}\"; {1} {2} {3};",
Program.AssemblyDir, xenArrayStatement, extraArrayStatement,
debug ? string.Format(DebugFunction, expression) : expression));
}
private void SetUrl()
{
if (UrlIsLoaded && XenCenterOnly) // Never update XenCenter node tabs.
{
return;
}
BrowserState state;
if (selectedXenObject == null)
{
// XenCenter node is selected, the placeholder code will sub in "null" for all placeholders
// After this point we will never update this url again for this node, so there is no need to store a browser state
state = new BrowserState(Placeholders.SubstituteUri(Url, selectedXenObject), selectedXenObject, Browser);
}
else if (BrowserStates.ContainsKey(selectedXenObject) && !BrowserStates[selectedXenObject].IsError)
{
// if there wasn't an error with navigation then use the stored browser-state. Otherwise try again.
state = BrowserStates[selectedXenObject];
}
else
{
state = new BrowserState(Placeholders.SubstituteUri(Url, selectedXenObject), selectedXenObject, Browser);
BrowserStates[selectedXenObject] = state;
}
if (lastBrowserState == state)
{
return;
}
try
{
if (state.ObjectForScripting != null)
{
if (Credentials)
{
state.ObjectForScripting.LoginSession();
}
Browser.ObjectForScripting = state.ObjectForScripting;
}
Browser.Navigate(state.Urls);
lastBrowserState = state;
}
catch (Exception e)
{
log.Error(string.Format("Failed to set TabPage url to '{0}' for plugin '{1}'", string.Join(",", state.Urls.ConvertAll(u => u.ToString()).ToArray()), PluginDescriptor.Name), e);
}
}
private static string ExtraArrayStatement(IList <string> extraParams, IList <IXenObject> objs)
{
// now we form a statement that will initialise a powershell array in the format (a,b,c,d,e,f,g)
StringBuilder sb = new StringBuilder();
sb.Append(string.Format("${0}=@(", USER_PARAM_ARRAY_VAR_NAME));
for (int i = 0; i < extraParams.Count; i++)
{
if (i > 0)
{
sb.Append(',');
}
sb.Append('"');
sb.Append(EscapeQuotes(EscapeBackSlashes(Placeholders.Substitute(extraParams[i], objs))));
sb.Append('"');
}
sb.Append(");");
return(sb.ToString());
}
