/// <summary>
/// This is the very first point where Sprocket interrupts the ASP.Net HTTP pipeline
/// and allows itself to start handling requests. Note that this is way before the
/// standard ASP.Net page framework would kick in. At this point state information like
/// cookies and sessions have not yet been loaded.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
internal void FireBeginRequest(object sender, EventArgs e)
{
HandleFlag handled = new HandleFlag();
if (OnBeginHttpRequest != null)
{
OnBeginHttpRequest((HttpApplication)sender, handled);
}
if (handled.Handled)
{
HttpContext.Current.Response.End();
return;
}
// The SprocketSettings module is one of the modules that handles the OnBeginHttpRequest
// event. It lets each module check for any .config file errors (or other settings errors)
// and report them back here. If we get to this point and at least one module has reported
// a settings error, we show Sprocket's critical error page which has a nice list of
// error messages that the user can try to rectify.
if (((SprocketSettings)SystemCore.Instance["SprocketSettings"]).ErrorList.HasCriticalError)
{
ShowErrorPage();
return;
}
}
void Instance_OnLoadRequestedPath(HandleFlag handled)
{
if (handled.Handled)
{
return;
}
if (SprocketPath.Value == "$dbsetup")
{
Result result = DatabaseManager.DatabaseEngine.Initialise();
if (result.Succeeded)
{
HttpContext.Current.Response.Write("<p>Database setup completed.</p>");
if (Completed != null)
{
Completed();
}
WebUtility.Redirect("admin");
}
else
{
HttpContext.Current.Response.Write("<h2>Unable to Initialise Database</h2><p>" + result.Message + "</p>");
}
handled.Set();
}
}
/// <summary>
/// This is the very first point where Sprocket interrupts the ASP.Net HTTP pipeline
/// and allows itself to start handling requests. Note that this is way before the
/// standard ASP.Net page framework would kick in. At this point state information like
/// cookies and sessions have not yet been loaded.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
internal void FireBeginRequest(object sender, EventArgs e)
{
if (!AjaxRequestHandler.IsAjaxRequest)
{
// The SprocketPath refers to the bit after the application base path and before the
// querystring, minus any leading and trailing forward-slashes. (/) For example if the
// full URL is "http://www.sprocketcms.com/myapp/admin/users/?edit" and the subdirectory
// "myapp" is a virtual directory (IIS application) then the SprocketPath would be
// "admin/users".
string sprocketPath = null;
string appPath = HttpContext.Current.Request.Path.ToLower();
// check to see if there's a trailing slash and if there isn't, redirect to stick a trailing
// slash onto the path. This is to keep pathing consistent because otherwise relative paths
// (such as to images and css files) aren't pathed as expected. We DON'T do this if a form
// has been posted however, because otherwise we lose the contents of the posted form. It is
// assumed that if you forget to post to a path with a trailing slash, that once you finish
// processing the form that you'll redirect off to a secondary page anyway, which means
// sticking a slash on the end of this URL is unnecessary anyway.
if (!appPath.EndsWith("/") && !appPath.Contains(".") && HttpContext.Current.Request.Form.Count == 0)
{
HttpContext.Current.Response.Redirect(appPath + "/");
HttpContext.Current.Response.End();
return;
}
// changes (e.g.) "http://www.sprocketcms.com/myapp/admin/users/?edit" into "admin/users"
SprocketPath.Parse(HttpContext.Current.Request.Url);
//sprocketPath = appPath.Remove(0, HttpContext.Current.Request.ApplicationPath.Length).Trim('/');
//SprocketPath.Value = sprocketPath;
//SprocketPath.Sections = SprocketPath.Value.Split('/');
}
HandleFlag handled = new HandleFlag();
if (OnBeginHttpRequest != null)
{
OnBeginHttpRequest(handled);
}
if (handled.Handled)
{
HttpContext.Current.Response.End();
return;
}
// The SprocketSettings module is one of the modules that handles the OnBeginHttpRequest
// event. It lets each module check for any .config file errors (or other settings errors)
// and report them back here. If we get to this point and at least one module has reported
// a settings error, we show Sprocket's critical error page which has a nice list of
// error messages that the user can try to rectify.
if (SprocketSettings.Errors.HasCriticalError)
{
ShowErrorPage();
return;
}
}
void Instance_OnLoadRequestedPath(HttpApplication app, string sprocketPath, string[] pathSections, HandleFlag handled)
{
if (handled.Handled) return;
if (sprocketPath == "$dbsetup")
{
DatabaseManager.Instance.ExecuteAllDataScripts(Database.Main.DatabaseEngine);
HttpContext.Current.Response.Write("<p>Database setup completed.</p>");
handled.Set();
}
}
void WebEvents_OnBeforeLoadExistingFile(HandleFlag handled)
{
if (!SprocketPath.Value.EndsWith(".js"))
{
return;
}
FileInfo file = new FileInfo(SprocketPath.Physical);
TimeSpan maxCacheAge = new TimeSpan(24, 0, 0);
HttpContext.Current.Response.Cache.SetLastModified(file.LastWriteTime);
HttpContext.Current.Response.Cache.SetMaxAge(maxCacheAge);
if (!CompressJavaScript)
{
return;
}
bool rewrite = false;
string cachedJS = ContentCache.RetrieveText(SprocketPath.Value);
if (cachedJS == null)
{
rewrite = true;
}
else if (!compressedJSFiles.ContainsKey(file.FullName))
{
rewrite = true;
}
else if (compressedJSFiles[file.FullName] != file.LastWriteTime)
{
rewrite = true;
}
HttpContext.Current.Response.ContentType = "text/javascript";
if (rewrite)
{
try
{
using (StreamReader reader = file.OpenText())
{
string s = JavaScriptCondenser.Condense(reader.ReadToEnd());
HttpContext.Current.Response.Write(s);
ContentCache.StoreText(SprocketPath.Value, maxCacheAge, true, s);
reader.Close();
compressedJSFiles[file.FullName] = file.LastWriteTime;
}
}
catch
{
return; // if an error occurs, let the system serve up the file normally
}
}
else
{
HttpContext.Current.Response.Write(cachedJS);
}
handled.Set();
}
void OnBeginHttpRequest(HandleFlag handled)
{
if (handled.Handled)
{
return;
}
if (IsAjaxRequest)
{
handled.Set();
ProcessRequest(HttpContext.Current);
}
}
void Instance_OnLoadRequestedPath(System.Web.HttpApplication app, string sprocketPath, string[] pathSections, HandleFlag handled)
{
if (sprocketPath == "scripttest")
{
string html = Sprocket.Utility.ResourceLoader.LoadTextResource("Sprocket.Web.CMS.SprocketScript.test.htm");
SprocketScript script = new SprocketScript(html);
HttpContext.Current.Response.ContentType = "text/html";
script.Execute(HttpContext.Current.Response.OutputStream);
//string test = script.Execute();
//HttpContext.Current.Response.Write(test);
handled.Set();
}
}
void OnBeginHttpRequest(HttpApplication app, HandleFlag handled)
{
if (handled.Handled)
{
return;
}
if (app.Context.Request.Path.EndsWith(".ajax"))
{
handled.Set();
ProcessRequest(HttpContext.Current);
}
}
void OnPathNotFound(HttpApplication app, string sprocketPath, string[] pathSections, HandleFlag handled)
{
if (handled.Handled) return;
if (!sprocketPath.Contains(".")) return;
string urlpath;
if (pathSections.Length == 1)
urlpath = "";
else
urlpath = sprocketPath.Substring(0, sprocketPath.Length - pathSections[pathSections.Length - 1].Length - 1);
XmlElement node = (XmlElement)PagesXml.SelectSingleNode("//Page[@Path='" + urlpath + "']");
if (node == null) return;
string newurl = "resources/content/" + node.GetAttribute("ContentFile");
newurl = WebUtility.BasePath + newurl.Substring(0, newurl.LastIndexOf('/') + 1) + pathSections[pathSections.Length - 1];
if (!File.Exists(HttpContext.Current.Server.MapPath(newurl)))
return;
string file = HttpContext.Current.Server.MapPath(newurl);
switch (new FileInfo(file).Extension)
{
case ".jpg":
HttpContext.Current.Response.ContentType = "image/jpg";
break;
case ".gif":
HttpContext.Current.Response.ContentType = "image/gif";
break;
case ".png":
HttpContext.Current.Response.ContentType = "image/png";
break;
}
HttpContext.Current.Response.TransmitFile(file);
handled.Set();
}
void ContentCache_OnLoadRequestedPath(System.Web.HttpApplication app, string sprocketPath, string[] pathSections, HandleFlag handled)
{
if (handled.Handled)
return;
else if (sprocketPath == "$clear-cache")
{
if (OnCacheClearanceRequested != null)
{
Result r = new Result();
OnCacheClearanceRequested(r);
if (!r.Succeeded)
{
HttpContext.Current.Response.Write(r.Message);
handled.Set();
return;
}
}
ClearCache();
HttpContext.Current.Response.Write("The cache has been cleared.");
handled.Set();
}
else if (sprocketPath == "datastore\\content-cache" || sprocketPath.StartsWith("datastore\\content-cache\\"))
{
handled.Set();
HttpContext.Current.Response.Write("Access denied.");
}
}
void OnBeginHttpRequest(HttpApplication appInst, HandleFlag handled)
{
HttpApplicationState app = HttpContext.Current.Application;
app.Lock();
if (app["Sprocket_PGREQ_XmlCache_Count"] == null)
app["Sprocket_PGREQ_XmlCache_Count"] = 1;
else
app["Sprocket_PGREQ_XmlCache_Count"] = (int)app["Sprocket_PGREQ_XmlCache_Count"] + 1;
app.UnLock();
}
void OnLoadRequestedPath(HttpApplication app, string sprocketPath, string[] pathSections, HandleFlag handled)
{
if (handled.Handled) return;
if (!File.Exists(WebUtility.MapPath(PageRegistry.XmlFilePath))) return;
switch (sprocketPath)
{
case "$reset":
PageRegistry.UpdateValues();
TemplateRegistry.Reload();
ListRegistry.Reload();
OutputFormatRegistry.Reload();
GeneralRegistry.Reload();
ContentCache.ClearCache();
WebUtility.Redirect("");
break;
default:
PageRegistry.CheckDate();
PageEntry page = PageRegistry.Pages.FromPath(sprocketPath);
if(page == null)
return;
if (OnBeforeRenderPage != null)
OnBeforeRenderPage(page, sprocketPath, pathSections);
string output = page.Render();
if (output == null)
return;
Response.Write(output);
break;
}
handled.Set();
}
void ContentCache_OnLoadRequestedPath(System.Web.HttpApplication app, string sprocketPath, string[] pathSections, HandleFlag handled)
{
if (handled.Handled)
{
return;
}
else if (sprocketPath == "$clear-cache")
{
if (OnCacheClearanceRequested != null)
{
Result r = new Result();
OnCacheClearanceRequested(r);
if (!r.Succeeded)
{
HttpContext.Current.Response.Write(r.Message);
handled.Set();
return;
}
}
ClearCache();
HttpContext.Current.Response.Write("The cache has been cleared.");
handled.Set();
}
else if (sprocketPath == "datastore\\content-cache" || sprocketPath.StartsWith("datastore\\content-cache\\"))
{
handled.Set();
HttpContext.Current.Response.Write("Access denied.");
}
}
/// <summary>
/// Sprocket calls this method in response to ASP.Net's AcquireRequestState event.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
internal void FireAcquireRequestState(object sender, EventArgs e)
{
if (OnRequestStateLoaded != null) // as always, let the other modules know where we are...
{
OnRequestStateLoaded();
}
if (HttpContext.Current.Request.Form != null)
{
if (HttpContext.Current.Request.Form.Count > 0)
{
foreach (FormPostAction action in formPostActions)
{
if (action.PostFromPath != null)
{
if (action.PostFromPath != SprocketPath.ExtractSprocketPath(HttpContext.Current.Request.UrlReferrer.ToString()))
{
continue;
}
}
if (action.PostToPath != null)
{
if (action.PostToPath.ToLower() != SprocketPath.Value)
{
continue;
}
}
if (action.FieldName != null)
{
string s = HttpContext.Current.Request.Form[action.FieldName];
if (s == null)
{
continue;
}
if (action.FieldValue != null)
{
if (s != action.FieldValue)
{
continue;
}
}
}
action.PostHandler();
}
}
}
// this is our flag so that request event handlers can let us know if they handled this request.
HandleFlag flag = new HandleFlag();
if (OnLoadRequestedPath != null)
{
OnLoadRequestedPath(flag);
if (flag.Handled)
{
// stop the browser from caching the page
// HttpContext.Current.Response.Cache.SetCacheability(HttpCacheability.NoCache);
if (OnRequestedPathProcessed != null)
{
OnRequestedPathProcessed();
}
// if one of the modules handled the request event, then we can stop
// doing stuff now. The OnEndRequest event will still be called though.
HttpContext.Current.Response.End();
return;
}
}
// if we've reached this point and none of our modules have volunteered to handle
// the request, we can check to see if the requested path actually exists (gasp!)
// and if so, serve up that file! This is handy if we insist on using the Standard
// ASP.Net Page framework (yuck) or want to serve up other things like plain html
// files.
if (!flag.Handled && File.Exists(HttpContext.Current.Request.PhysicalPath))
{
// here we provide a last chance opportunity to alter the response before the
// file is served.
if (OnBeforeLoadExistingFile != null)
{
OnBeforeLoadExistingFile(flag);
if (flag.Handled)
{
HttpContext.Current.Response.End();
return;
}
}
HttpContext.Current.RewritePath(HttpContext.Current.Request.Path);
return;
}
// at this point we know that no file matching the exists, so we can check to see
// if a directory of the specified name exists. If it does, we can see if there are
// any default pages inside the folder that should execute. This requires the a key
// to be configured for appSettings in the Web.config file:
// <add key="DefaultPageFilenames" value="default.aspx,default.asp,default.htm,index.htm" />
if (Directory.Exists(HttpContext.Current.Request.PhysicalPath))
{
string dpgstr = SprocketSettings.GetValue("DefaultPageFilenames");
if (dpgstr != null)
{
string[] pgarr = dpgstr.Split(',');
foreach (string pgname in pgarr)
{
string pgpath = "/" + HttpContext.Current.Request.Path.Trim('/') + "/" + pgname;
string physpath = HttpContext.Current.Request.PhysicalPath + "\\" + pgname;
if (File.Exists(physpath))
{
HttpContext.Current.Response.Redirect(pgpath);
return;
}
}
}
}
// if we've reached this point and still havent found anything that wants to handle
// the current request, we offer up a final chance to respond to this fact...
if (OnPathNotFound != null)
{
OnPathNotFound(flag);
if (flag.Handled)
{
if (OnRequestedPathProcessed != null)
{
OnRequestedPathProcessed();
}
HttpContext.Current.Response.End();
return;
}
}
// if we got this far, sorry folks, but you're about to get a boring ASP.Net 404 page.
}
/// <summary>
/// Sprocket calls this method in response to ASP.Net's AcquireRequestState event.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
internal void FireAcquireRequestState(object sender, EventArgs e)
{
if (OnRequestStateLoaded != null) // as always, let the other modules know where we are...
{
OnRequestStateLoaded((HttpApplication)sender);
}
HttpContext pg = HttpContext.Current;
// The SprocketPath refers to the bit after the application base path and before the
// querystring, minus any leading and trailing forward-slashes. (/) For example if the
// full URL is "http://www.sprocketcms.com/myapp/admin/users/?edit" and the subdirectory
// "myapp" is a virtual directory (IIS application) then the SprocketPath would be
// "admin/users".
string sprocketPath = null;
string appPath = pg.Request.Path.ToLower();
// check to see if there's a trailing slash and if there isn't, redirect to stick a trailing
// slash onto the path. This is to keep pathing consistent because otherwise relative paths
// (such as to images and css files) aren't pathed as expected. We DON'T do this if a form
// has been posted however, because otherwise we lose the contents of the posted form. It is
// assumed that if you forget to post to a path with a trailing slash, that once you finish
// processing the form that you'll redirect off to a secondary page anyway, which means
// sticking a slash on the end of this URL is unnecessary anyway.
if (!appPath.EndsWith("/") && !appPath.Contains(".") && HttpContext.Current.Request.Form.Count == 0)
{
pg.Response.Redirect(appPath + "/");
pg.Response.End();
return;
}
// changes (e.g.) "http://www.sprocketcms.com/myapp/admin/users/?edit" into "admin/users"
sprocketPath = appPath.Remove(0, pg.Request.ApplicationPath.Length).Trim('/');
// split up the path sections to make things even easier for request event handlers
string[] pathSections = sprocketPath.Split('/');
// this is our flag so that request event handlers can let us know if they handled this request.
HandleFlag flag = new HandleFlag();
if (OnLoadRequestedPath != null)
{
OnLoadRequestedPath((HttpApplication)sender, sprocketPath, pathSections, flag);
if (flag.Handled)
{
// stop the browser from caching the page
// HttpContext.Current.Response.Cache.SetCacheability(HttpCacheability.NoCache);
// if one of the modules handled the request event, then we can stop
// doing stuff now. The OnEndRequest event will still be called though.
pg.Response.End();
return;
}
}
// if we've reached this point and none of our modules have volunteered to handle
// the request, we can check to see if the requested path actually exists (gasp!)
// and if so, serve up that file! This is handy if we insist on using the Standard
// ASP.Net Page framework (yuck) or want to serve up other things like plain html
// files.
if (!flag.Handled && File.Exists(pg.Request.PhysicalPath))
{
// here we provide a last chance opportunity to alter the response before the
// file is served.
if (OnBeforeLoadExistingFile != null)
{
OnBeforeLoadExistingFile((HttpApplication)sender, sprocketPath, pathSections, flag);
if (flag.Handled)
{
pg.Response.End();
return;
}
}
HttpContext.Current.RewritePath(pg.Request.Path);
return;
}
// at this point we know that no file matching the exists, so we can check to see
// if a directory of the specified name exists. If it does, we can see if there are
// any default pages inside the folder that should execute. This requires the a key
// to be configured for appSettings in the Web.config file:
// <add key="DefaultPageFilenames" value="default.aspx,default.asp,default.htm,index.htm" />
if (Directory.Exists(pg.Request.PhysicalPath))
{
string dpgstr = SprocketSettings.GetValue("DefaultPageFilenames");
if (dpgstr != null)
{
string[] pgarr = dpgstr.Split(',');
foreach (string pgname in pgarr)
{
string pgpath = "/" + pg.Request.Path.Trim('/') + "/" + pgname;
string physpath = pg.Request.PhysicalPath + "\\" + pgname;
if (File.Exists(physpath))
{
HttpContext.Current.Response.Redirect(pgpath);
return;
}
}
}
}
// if we've reached this point and still havent found anything that wants to handle
// the current request, we offer up a final chance to respond to this fact...
if (OnPathNotFound != null)
{
OnPathNotFound((HttpApplication)sender, sprocketPath, pathSections, flag);
if (flag.Handled)
{
pg.Response.End();
return;
}
}
// if we got this far, sorry folks, but you're about to get a boring ASP.Net 404 page.
}
void OnLoadRequestedPath(HttpApplication app, string path, string[] pathSections, HandleFlag handled)
{
if (path != "test")
{
return;
}
handled.Set();
HttpContext c = HttpContext.Current;
c.Response.Write("QS Keys:<br/>");
for (int i = 0; i < c.Request.QueryString.Count; i++)
{
HttpContext.Current.Response.Write(c.Request.QueryString.GetKey(i) + " = " + c.Request.QueryString[i] + "<br/>");
}
c.Response.Write("QS Form:<br/>");
for (int i = 0; i < c.Request.QueryString.Count; i++)
{
HttpContext.Current.Response.Write(c.Request.Form.GetKey(i) + " = " + c.Request.Form[i] + "<br/>");
}
string html = HttpContext.Current.Request.Url.GetLeftPart(UriPartial.Authority) + WebUtility.BasePath;
HttpContext.Current.Response.Write(html);
//string scripts = ((WebClientScripts)SystemCore.Instance["WebClientScripts"]).BuildScriptTags();
//HttpContext.Current.Response.Write(scripts + html.Replace(Environment.NewLine, "<br />"));
}
void OnLoadRequestedPath(HttpApplication app, string path, string[] pathSections, HandleFlag handled)
{
if (path != "sysinfo")
{
return;
}
handled.Set();
string html = ResourceLoader.LoadTextResource("Sprocket.Web.html.sysinfo.htm");
HttpResponse Response = HttpContext.Current.Response;
string modules = "<tr>" +
"<th nowrap=\"true\">Assembly</th>" +
"<th nowrap=\"true\">Module Code</th>" +
"<th nowrap=\"true\">Module Name</th>" +
"<th>Description</th>" +
"<th>Optional</th>" +
"<th>DataHandler</th>" +
"</tr>";
bool alt = false;
List <ISprocketModule> bydll = new List <ISprocketModule>();
foreach (ISprocketModule module in SystemCore.Instance.ModuleRegistry)
{
bydll.Add(module);
}
bydll.Sort(new ModuleDLLSortComparer());
string oldf = "";
bool altf = true;
bool newdllrow = true;
foreach (ISprocketModule module in bydll)
{
string newf = new FileInfo(module.GetType().Assembly.Location).Name;
string filename;
if (oldf != newf)
{
filename = newf;
oldf = newf;
altf = !altf;
newdllrow = true;
}
else
{
filename = " ";
newdllrow = false;
}
modules += string.Format(
"<tr class=\"row-{0}{2}\">" +
"<td valign=\"top\" class=\"assembly-{1}\">" + filename + "</td>" +
"<td valign=\"top\" class=\"module-code-{0}\"><strong>" + module.RegistrationCode + "</strong></td>" +
"<td valign=\"top\" nowrap=\"true\" class=\"module-title-{0}\">" + module.Title + "</td>" +
"<td valign=\"top\">" + module.ShortDescription + "</td>" +
"<td valign=\"top\">" + (module is IOptionalModule ? "x" : " ") + "</td>" +
"<td valign=\"top\">" + (module is IDataHandlerModule ? "x" : " ") + "</td>" +
"</tr>",
alt ? "alt2" : "alt1",
altf ? "alt2" : "alt1",
newdllrow ? " newdllrow" : "");
alt = !alt;
}
html = html.Replace("{modules}", modules);
Response.Write(html);
}
void OnBeginHttpRequest(HttpApplication app, HandleFlag handled)
{
if (handled.Handled)
{
return;
}
if (app.Context.Request.Path.EndsWith("module-hierarchy-diagram.gif"))
{
handled.Set();
int levels = 0; // the depth of the dependency hierarchy
int pos = 0; // the number of horizontal positions that this level contains for the bordered boxes
int maxpos = 1; // the highest box position for the current row
Dictionary <string, int> modulePositions = new Dictionary <string, int>(); // store which horizontal position each module should have its box drawn in
Dictionary <int, int> levelCounts = new Dictionary <int, int>(); // specify how many box positions are on each depth level
foreach (RegisteredModule m in SystemCore.Instance.ModuleRegistry)
{
if (m.Importance > levels) // if we've hit the next depth level in the heirarchy
{
levels++; // set the number of the level we're now working at
pos = 1; // specify that we're at horizontal position #1 on the image
}
else
{
pos++;
maxpos = maxpos < pos ? pos : maxpos;
}
modulePositions[m.Module.RegistrationCode] = pos;
levelCounts[levels] = pos;
}
int rectWidth = 110;
int rectHeight = 50;
int heightGap = 25;
int widthGap = 15;
int lineGap = 10;
int bmpWidth = maxpos * rectWidth + (maxpos - 1) * widthGap + 11;
// bmpHeight = top/bottom margins + combined height of boxes + the gaps between the levels
int bmpHeight = (heightGap * 2) + (rectHeight * (levels + 1)) + (levels * heightGap) + 1;
Bitmap bmp = new Bitmap(bmpWidth, bmpHeight);
Graphics gfx = Graphics.FromImage(bmp);
Pen pen = new Pen(Color.Red, 1);
Brush whiteBrush = new SolidBrush(Color.White);
Brush greyBrush = new SolidBrush(Color.WhiteSmoke);
Brush blackBrush = new SolidBrush(Color.Black);
Brush redBrush = new SolidBrush(Color.Red);
Font font = new Font("Verdana", 7, FontStyle.Bold);
gfx.FillRectangle(whiteBrush, 0, 0, bmpWidth, bmpHeight);
gfx.SmoothingMode = SmoothingMode.AntiAlias;
// draw rectangles
foreach (RegisteredModule m in SystemCore.Instance.ModuleRegistry)
{
Rectangle rect = GetModuleRect(m, rectWidth, rectHeight, widthGap, heightGap, modulePositions[m.Module.RegistrationCode], levels, levelCounts[m.Importance], bmpWidth);
gfx.FillRectangle(greyBrush, rect);
gfx.DrawRectangle(pen, rect);
}
// draw lines
foreach (RegisteredModule m in SystemCore.Instance.ModuleRegistry)
{
Rectangle rect = GetModuleRect(m, rectWidth, rectHeight, widthGap, heightGap, modulePositions[m.Module.RegistrationCode], levels, levelCounts[m.Importance], bmpWidth);
ModuleDependencyAttribute[] atts = (ModuleDependencyAttribute[])Attribute.GetCustomAttributes(m.GetType(), typeof(ModuleDependencyAttribute), true);
int attnum = 0;
foreach (ModuleDependencyAttribute att in atts)
{
attnum++;
RegisteredModule dm = SystemCore.ModuleCore.ModuleRegistry[att.Value];
int xmodstart = (rectWidth / 2) - ((atts.Length - 1) * lineGap) / 2 + ((attnum - 1) * lineGap);
int xmodend = Math.Max(bmpWidth / 2 - (levelCounts[dm.Importance] * rectWidth + (levelCounts[dm.Importance] - 1) * widthGap) / 2, 0);
int level = dm.Importance + 1;
int dmxpos = modulePositions[dm.Module.RegistrationCode];
Point start = new Point(rect.X + xmodstart, rect.Y);
Point end = new Point(xmodend + (dmxpos - 1) * rectWidth + (dmxpos - 1) * widthGap + rectWidth / 2,
heightGap + level * rectHeight + (level - 1) * heightGap);
Color color;
switch (attnum % 7)
{
case 0: color = Color.Red; break;
case 1: color = Color.Green; break;
case 2: color = Color.Blue; break;
case 3: color = Color.Violet; break;
case 4: color = Color.Orange; break;
case 5: color = Color.DarkCyan; break;
default: color = Color.DarkSeaGreen; break;
}
gfx.DrawLine(new Pen(color), start, end);
gfx.FillEllipse(new SolidBrush(color), start.X - 2, start.Y - 2, 5, 5);
gfx.FillEllipse(redBrush, end.X - 2, end.Y - 2, 5, 5);
}
}
// write words
foreach (RegisteredModule m in SystemCore.Instance.ModuleRegistry)
{
Rectangle rect = GetModuleRect(m, rectWidth, rectHeight, widthGap, heightGap, modulePositions[m.Module.RegistrationCode], levels, levelCounts[m.Importance], bmpWidth);
gfx.DrawString(m.Module.RegistrationCode, font, blackBrush, new PointF(rect.X + 3, rect.Y + 3));
}
bmp.Save(app.Context.Response.OutputStream, ImageFormat.Jpeg);
app.Context.Response.ContentType = "image/jpg";
}
}
void Instance_OnBeforeLoadExistingFile(HttpApplication app, string sprocketPath, string[] pathSections, HandleFlag handled)
{
if (sprocketPath.EndsWith(".js"))
{
if (SprocketSettings.GetBooleanValue("CompressJavaScript"))
{
HttpContext.Current.Response.Write(WebUtility.CacheTextFile(sprocketPath, true));
handled.Set();
}
}
}
void Instance_OnBeforeLoadExistingFile(HttpApplication app, string sprocketPath, string[] pathSections, HandleFlag handled)
{
if(sprocketPath.EndsWith(".js"))
if (SprocketSettings.GetBooleanValue("CompressJavaScript"))
{
HttpContext.Current.Response.Write(WebUtility.CacheTextFile(sprocketPath, true));
handled.Set();
}
}
void OnLoadRequestedPath(HttpApplication app, string path, string[] pathSections, HandleFlag handled)
{
if (path != "sysinfo")
{
return;
}
handled.Set();
string html = ResourceLoader.LoadTextResource("Sprocket.Web.html.sysinfo.htm");
HttpResponse Response = HttpContext.Current.Response;
string modules = "<tr>" +
"<th nowrap=\"true\">Assembly</th>" +
"<th nowrap=\"true\">Module Namespace</th>" +
"<th nowrap=\"true\">Module Name</th>" +
"<th>Description</th>" +
"</tr>";
bool alt = false;
List <ISprocketModule> bydll = new List <ISprocketModule>();
int colorNum = -1;
foreach (RegisteredModule module in Core.Instance.ModuleRegistry)
{
string asmname = new FileInfo(module.Module.GetType().Assembly.Location).Name;
if (!dllColors.ContainsKey(asmname))
{
colorNum++;
if (colorNum >= colors.Length)
{
colorNum = 0;
}
dllColors.Add(asmname, colors[colorNum]);
}
bydll.Add(module.Module);
}
bydll.Sort(delegate(ISprocketModule x, ISprocketModule y)
{
string ax = new FileInfo(x.GetType().Assembly.Location).Name;
string ay = new FileInfo(y.GetType().Assembly.Location).Name;
int z = string.Compare(ax, ay, true);
if (z != 0)
{
return(z);
}
return(string.Compare(x.GetType().FullName, y.GetType().FullName, true));
});
string oldf = "";
bool altf = true;
bool newdllrow = true;
foreach (ISprocketModule module in bydll)
{
string newf = new FileInfo(module.GetType().Assembly.Location).Name;
string filename;
if (oldf != newf)
{
filename = newf;
oldf = newf;
altf = !altf;
newdllrow = true;
}
else
{
filename = " ";
newdllrow = false;
}
RegisteredModule m = Core.Instance[module];
modules += string.Format(
"<tr class=\"row-{0}{2}\">" +
"<td valign=\"top\" class=\"assembly-{1}\">" + filename + "</td>" +
"<td valign=\"top\" class=\"module-code-{0}\"><strong>" + m.Namespace + "</strong></td>" +
"<td valign=\"top\" nowrap=\"true\" class=\"module-title-{0}\">" + m.Title + "</td>" +
"<td valign=\"top\">" + m.Description + "</td>" +
"</tr>",
alt ? "alt2" : "alt1",
altf ? "alt2" : "alt1",
newdllrow ? " newdllrow" : "");
alt = !alt;
}
html = html.Replace("{modules}", modules);
Response.Write(html);
}
void OnBeginHttpRequest(HttpApplication app, HandleFlag handled)
{
if (handled.Handled)
{
return;
}
if (app.Context.Request.Path.EndsWith("module-hierarchy-diagram.gif"))
{
handled.Set();
int levels = 0; // the depth of the dependency hierarchy
int pos = 0; // the number of horizontal positions that this level contains for the bordered boxes
int maxpos = 1; // the highest box position for the current row
Dictionary <string, int> modulePositions = new Dictionary <string, int>(); // store which horizontal position each module should have its box drawn in
Dictionary <int, int> levelCounts = new Dictionary <int, int>(); // specify how many box positions are on each depth level
foreach (RegisteredModule m in Core.Instance.ModuleRegistry)
{
if (m.Importance > levels) // if we've hit the next depth level in the heirarchy
{
levels++; // set the number of the level we're now working at
pos = 1; // specify that we're at horizontal position #1 on the image
}
else
{
pos++;
maxpos = maxpos < pos ? pos : maxpos;
}
modulePositions[m.Namespace] = pos;
levelCounts[levels] = pos;
}
int rectWidth = 110;
int rectHeight = 50;
int heightGap = 25;
int widthGap = 15;
int lineGap = 10;
int bmpWidth = maxpos * rectWidth + (maxpos - 1) * widthGap + 11;
// bmpHeight = top/bottom margins + combined height of boxes + the gaps between the levels
int bmpHeight = (heightGap * 2) + (rectHeight * (levels + 1)) + (levels * heightGap) + 1;
Bitmap bmp = new Bitmap(bmpWidth, bmpHeight);
Graphics gfx = Graphics.FromImage(bmp);
Pen pen = new Pen(Color.FromArgb(200, 200, 200), 1);
Brush whiteBrush = new SolidBrush(Color.White);
Brush greyBrush = new SolidBrush(Color.WhiteSmoke);
Brush blackBrush = new SolidBrush(Color.Black);
Brush redBrush = new SolidBrush(Color.Red);
Font font = new Font("Verdana", 7, FontStyle.Bold);
gfx.FillRectangle(whiteBrush, 0, 0, bmpWidth, bmpHeight);
gfx.SmoothingMode = SmoothingMode.HighQuality;
// draw rectangles
foreach (RegisteredModule m in Core.Instance.ModuleRegistry)
{
Brush brush = new SolidBrush(dllColors[new FileInfo(m.Module.GetType().Assembly.Location).Name]);
Rectangle rect = GetModuleRect(m, rectWidth, rectHeight, widthGap, heightGap, modulePositions[m.Namespace], levels, levelCounts[m.Importance], bmpWidth);
gfx.FillRectangle(brush, rect);
gfx.DrawRectangle(pen, rect);
}
// draw lines
foreach (RegisteredModule m in Core.Instance.ModuleRegistry)
{
Rectangle rect = GetModuleRect(m, rectWidth, rectHeight, widthGap, heightGap, modulePositions[m.Namespace], levels, levelCounts[m.Importance], bmpWidth);
ModuleDependencyAttribute[] atts = (ModuleDependencyAttribute[])Attribute.GetCustomAttributes(m.Module.GetType(), typeof(ModuleDependencyAttribute), true);
int attnum = 0;
foreach (ModuleDependencyAttribute att in atts)
{
attnum++;
RegisteredModule dm = Core.Modules.ModuleRegistry[att.ModuleType.FullName];
int xmodstart = (rectWidth / 2) - ((atts.Length - 1) * lineGap) / 2 + ((attnum - 1) * lineGap);
int xmodend = Math.Max(bmpWidth / 2 - (levelCounts[dm.Importance] * rectWidth + (levelCounts[dm.Importance] - 1) * widthGap) / 2, 0);
int level = dm.Importance + 1;
int dmxpos = modulePositions[dm.Namespace];
Point start = new Point(rect.X + xmodstart, rect.Y);
Point end = new Point(xmodend + (dmxpos - 1) * rectWidth + (dmxpos - 1) * widthGap + rectWidth / 2,
heightGap + level * rectHeight + (level - 1) * heightGap);
Color color;
switch (attnum % 7)
{
case 0: color = Color.Red; break;
case 1: color = Color.Silver; break;
case 2: color = Color.Blue; break;
case 3: color = Color.Violet; break;
case 4: color = Color.Orange; break;
case 5: color = Color.DarkCyan; break;
default: color = Color.SlateBlue; break;
}
gfx.DrawLine(new Pen(color), start, end);
gfx.FillEllipse(new SolidBrush(color), start.X - 2, start.Y - 2, 5, 5);
gfx.FillRectangle(new SolidBrush(Color.FromArgb(200, 200, 200)), end.X - 2, end.Y - 2, 5, 5);
}
}
// write words
StringFormat fmt = new StringFormat();
fmt.Alignment = StringAlignment.Center;
fmt.LineAlignment = StringAlignment.Center;
fmt.Trimming = StringTrimming.Character;
foreach (RegisteredModule m in Core.Instance.ModuleRegistry)
{
Rectangle rect = GetModuleRect(m, rectWidth, rectHeight, widthGap, heightGap, modulePositions[m.Namespace],
levels, levelCounts[m.Importance], bmpWidth);
Rectangle wordsrect = new Rectangle(rect.X + 3, rect.Y + 3, rect.Width - 6, rect.Height - 6);
Brush bgbrush = new SolidBrush(Color.FromArgb(200, dllColors[new FileInfo(m.Module.GetType().Assembly.Location).Name]));
gfx.FillRectangle(bgbrush, wordsrect);
gfx.DrawString(m.Title, font, blackBrush, wordsrect, fmt);
}
ImageCodecInfo[] encoders = ImageCodecInfo.GetImageEncoders();
ImageCodecInfo encoder = null;
for (int i = 0; i < encoders.Length; i++)
{
if (encoders[i].MimeType == "image/jpeg")
{
encoder = encoders[i];
break;
}
}
if (encoder == null)
{
throw new SprocketException("Can't create a image because no JPEG encoder exists.");
}
EncoderParameters prms = new EncoderParameters(1);
prms.Param[0] = new EncoderParameter(Encoder.Quality, 200L);
bmp.Save(app.Context.Response.OutputStream, encoder, prms);
app.Context.Response.ContentType = "image/jpg";
}
}
void Instance_OnLoadRequestedPath(HttpApplication app, string sprocketPath, string[] pathSections, HandleFlag handled)
{
if (handled.Handled)
{
return;
}
if (sprocketPath == "$dbsetup")
{
Result result = DatabaseManager.DatabaseEngine.Initialise();
if (result.Succeeded)
{
HttpContext.Current.Response.Write("<p>Database setup completed.</p>");
if (Completed != null)
{
Completed();
}
}
else
{
HttpContext.Current.Response.Write("<h2>Unable to Initialise Database</h2><p>" + result.Message + "</p>");
}
handled.Set();
}
}
