/// <summary> Constructor for a new instance of the Text_MainWriter class </summary>
/// <param name="Current_Mode"> Mode / navigation information for the current request</param>
/// <param name="Hierarchy_Object"> Current item aggregation object to display </param>
/// <param name="Results_Statistics"> Information about the entire set of results for a search or browse </param>
/// <param name="Paged_Results"> Single page of results for a search or browse, within the entire set </param>
/// <param name="Browse_Object"> Object contains all the basic information about any browse or info display </param>
/// <param name="Current_Item"> Current item to display </param>
/// <param name="Current_Page"> Current page within the item</param>
/// <param name="HTML_Skin"> HTML Web skin which controls the overall appearance of this digital library </param>
/// <param name="Current_User"> Currently logged on user </param>
/// <param name="Translator"> Language support object which handles simple translational duties </param>
/// <param name="Code_Manager"> List of valid collection codes, including mapping from the Sobek collections to Greenstone collections</param>
/// <param name="Item_List"> Lookup object used to pull basic information about any item loaded into this library </param>
/// <param name="Stats_Date_Range"> Object contains the start and end dates for the statistical data in the database </param>
/// <param name="Search_History"> List of recent searches performed against this digital library </param>
/// <param name="Icon_Dictionary"> Dictionary of information about every wordmark/icon in this digital library, used to build the wordmarks subpage </param>
/// <param name="Thematic_Headings"> Headings under which all the highlighted collections on the main home page are organized </param>
/// <param name="Public_Folder"> Object contains the information about the public folder to display </param>
/// <param name="Aggregation_Aliases"> List of all existing aliases for existing aggregations </param>
/// <param name="Web_Skin_Collection"> Collection of all the web skins </param>
/// <param name="Checked_Items"> List of all items which are currently checked out for single fair use and the IP address currently viewing the item</param>
/// <param name="IP_Restrictions"> Any possible restriction on item access by IP ranges </param>
/// <param name="URL_Portals"> List of all web portals into this system </param>
/// <param name="Site_Map"> Optional site map object used to render a navigational tree-view on left side of static web content pages </param>
/// <param name="Items_In_Title"> List of items within the current title ( used for the Item Group display )</param>
/// <param name="Static_Web_Content"> HTML content-based browse, info, or imple CMS-style web content objects. These are objects which are read from a static HTML file and much of the head information must be maintained </param>
/// <param name="Tracer"> Trace object keeps a list of each method executed and important milestones in rendering </param>
public Html_MainWriter(SobekCM_Navigation_Object Current_Mode,
Item_Aggregation Hierarchy_Object,
Search_Results_Statistics Results_Statistics,
List<iSearch_Title_Result> Paged_Results,
Item_Aggregation_Child_Page Browse_Object,
SobekCM_Item Current_Item,
Page_TreeNode Current_Page,
SobekCM_Skin_Object HTML_Skin,
User_Object Current_User,
Language_Support_Info Translator,
Aggregation_Code_Manager Code_Manager,
Item_Lookup_Object Item_List,
Statistics_Dates Stats_Date_Range,
Recent_Searches Search_History,
Dictionary<string, Wordmark_Icon> Icon_Dictionary,
List<Thematic_Heading> Thematic_Headings,
Public_User_Folder Public_Folder,
Dictionary<string, string> Aggregation_Aliases,
SobekCM_Skin_Collection Web_Skin_Collection,
Checked_Out_Items_List Checked_Items,
IP_Restriction_Ranges IP_Restrictions,
Portal_List URL_Portals,
SobekCM_SiteMap Site_Map,
SobekCM_Items_In_Title Items_In_Title,
HTML_Based_Content Static_Web_Content,
Custom_Tracer Tracer )
: base(Current_Mode, Hierarchy_Object, Results_Statistics, Paged_Results, Browse_Object, Current_Item, Current_Page, Static_Web_Content)
{
// Save parameters
htmlSkin = HTML_Skin;
translator = Translator;
codeManager = Code_Manager;
itemList = Item_List;
statsDateRange = Stats_Date_Range;
searchHistory = Search_History;
currentUser = Current_User;
iconList = Icon_Dictionary;
thematicHeadings = Thematic_Headings;
publicFolder = Public_Folder;
aggregationAliases = Aggregation_Aliases;
webSkins = Web_Skin_Collection;
checkedItems = Checked_Items;
ipRestrictionInfo = IP_Restrictions;
urlPortals = URL_Portals;
siteMap = Site_Map;
itemsInTitle = Items_In_Title;
// Set some defaults
// Handle basic events which may be fired by the internal header
if (HttpContext.Current.Request.Form["internal_header_action"] != null)
{
// Pull the action value
string internalHeaderAction = HttpContext.Current.Request.Form["internal_header_action"].Trim();
// Was this to hide or show the header?
if ((internalHeaderAction == "hide") || (internalHeaderAction == "show"))
{
// Pull the current visibility from the session
bool shown = !((HttpContext.Current.Session["internal_header"] != null) && (HttpContext.Current.Session["internal_header"].ToString() == "hidden"));
if ((internalHeaderAction == "hide") && (shown))
{
HttpContext.Current.Session["internal_header"] = "hidden";
currentMode.Redirect();
return;
}
if ((internalHeaderAction == "show") && (!shown))
{
HttpContext.Current.Session["internal_header"] = "shown";
currentMode.Redirect();
return;
}
}
}
try
{
// Create the html sub writer now
switch (Current_Mode.Mode)
{
case Display_Mode_Enum.Internal:
subwriter = new Internal_HtmlSubwriter(iconList, currentUser, codeManager);
break;
case Display_Mode_Enum.Statistics:
subwriter = new Statistics_HtmlSubwriter(searchHistory, codeManager, statsDateRange);
break;
case Display_Mode_Enum.Preferences:
subwriter = new Preferences_HtmlSubwriter(currentMode);
break;
case Display_Mode_Enum.Error:
subwriter = new Error_HtmlSubwriter(false);
// Send the email now
if (currentMode.Caught_Exception != null)
{
if (currentMode.Error_Message.Length == 0)
currentMode.Error_Message = "Unknown exception caught";
Email_Information(currentMode.Error_Message, currentMode.Caught_Exception, Tracer, false);
}
break;
case Display_Mode_Enum.Legacy_URL:
subwriter = new LegacyUrl_HtmlSubwriter();
break;
case Display_Mode_Enum.Item_Print:
subwriter = new Print_Item_HtmlSubwriter(currentItem, codeManager, translator, currentMode);
break;
case Display_Mode_Enum.Contact:
StringBuilder builder = new StringBuilder();
builder.Append("\n\nSUBMISSION INFORMATION\n");
builder.Append("\tDate:\t\t\t\t" + DateTime.Now.ToString() + "\n");
string lastMode = String.Empty;
try
{
if (HttpContext.Current.Session["Last_Mode"] != null)
lastMode = HttpContext.Current.Session["Last_Mode"].ToString();
builder.Append("\tIP Address:\t\t\t" + HttpContext.Current.Request.UserHostAddress + "\n");
builder.Append("\tHost Name:\t\t\t" + HttpContext.Current.Request.UserHostName + "\n");
builder.Append("\tBrowser:\t\t\t" + HttpContext.Current.Request.Browser.Browser + "\n");
builder.Append("\tBrowser Platform:\t\t" + HttpContext.Current.Request.Browser.Platform + "\n");
builder.Append("\tBrowser Version:\t\t" + HttpContext.Current.Request.Browser.Version + "\n");
builder.Append("\tBrowser Language:\t\t");
bool first = true;
string[] languages = HttpContext.Current.Request.UserLanguages;
if (languages != null)
foreach (string thisLanguage in languages)
{
if (first)
{
builder.Append(thisLanguage);
first = false;
}
else
{
builder.Append(", " + thisLanguage);
}
}
builder.Append("\n\nHISTORY\n");
if (HttpContext.Current.Session["LastSearch"] != null)
builder.Append("\tLast Search:\t\t" + HttpContext.Current.Session["LastSearch"] + "\n");
if (HttpContext.Current.Session["LastResults"] != null)
builder.Append("\tLast Results:\t\t" + HttpContext.Current.Session["LastResults"] + "\n");
if (HttpContext.Current.Session["Last_Mode"] != null)
builder.Append("\tLast Mode:\t\t\t" + HttpContext.Current.Session["Last_Mode"] + "\n");
builder.Append("\tURL:\t\t\t\t" + HttpContext.Current.Items["Original_URL"]);
}
catch
{
}
subwriter = new Contact_HtmlSubwriter(lastMode, builder.ToString(), currentMode, hierarchyObject);
break;
case Display_Mode_Enum.Contact_Sent:
subwriter = new Contact_HtmlSubwriter(String.Empty, String.Empty, currentMode, hierarchyObject);
break;
case Display_Mode_Enum.Simple_HTML_CMS:
subwriter = new Web_Content_HtmlSubwriter(hierarchyObject, currentMode, htmlSkin, htmlBasedContent, siteMap);
break;
case Display_Mode_Enum.My_Sobek:
subwriter = new MySobek_HtmlSubwriter(results_statistics, paged_results, codeManager, itemList, hierarchyObject, htmlSkin, translator, currentMode, currentItem, currentUser, iconList, statsDateRange, webSkins, Tracer);
break;
case Display_Mode_Enum.Administrative:
subwriter = new Admin_HtmlSubwriter(codeManager, itemList, hierarchyObject, htmlSkin, translator, currentMode, aggregationAliases, webSkins, currentUser, ipRestrictionInfo, iconList, urlPortals, thematicHeadings, Tracer);
break;
case Display_Mode_Enum.Results:
subwriter = new Search_Results_HtmlSubwriter(results_statistics, paged_results, codeManager, translator, itemList, currentUser);
break;
case Display_Mode_Enum.Public_Folder:
subwriter = new Public_Folder_HtmlSubwriter(results_statistics, paged_results, codeManager, translator, itemList, currentUser, publicFolder);
break;
case Display_Mode_Enum.Search:
case Display_Mode_Enum.Aggregation:
subwriter = new Aggregation_HtmlSubwriter(hierarchyObject, currentMode, htmlSkin, translator, thisBrowseObject, results_statistics, paged_results, codeManager, itemList, thematicHeadings, currentUser, htmlBasedContent, Tracer);
break;
case Display_Mode_Enum.Item_Display:
if ((!currentMode.Invalid_Item) && (currentItem != null))
{
bool show_toc = false;
if (HttpContext.Current.Session["Show TOC"] != null)
{
Boolean.TryParse(HttpContext.Current.Session["Show TOC"].ToString(), out show_toc);
}
// Check that this item is not checked out by another user
bool itemCheckedOutByOtherUser = false;
if (currentItem.Behaviors.CheckOut_Required)
{
if (!checkedItems.Check_Out(currentItem.Web.ItemID, HttpContext.Current.Request.UserHostAddress))
{
itemCheckedOutByOtherUser = true;
}
}
// Check to see if this is IP restricted
string restriction_message = String.Empty;
if (currentItem.Behaviors.IP_Restriction_Membership > 0)
{
if (HttpContext.Current != null)
{
int user_mask = (int)HttpContext.Current.Session["IP_Range_Membership"];
int comparison = currentItem.Behaviors.IP_Restriction_Membership & user_mask;
if (comparison == 0)
{
int restriction = currentItem.Behaviors.IP_Restriction_Membership;
int restriction_counter = 0;
while (restriction % 2 != 1)
{
restriction = restriction >> 1;
restriction_counter++;
}
restriction_message = ipRestrictionInfo[restriction_counter].Item_Restricted_Statement;
}
}
}
// Create the item viewer writer
subwriter = new Item_HtmlSubwriter(currentItem, currentPage, currentUser, codeManager, translator, show_toc, (SobekCM_Library_Settings.JP2ServerUrl.Length > 0), currentMode, hierarchyObject, restriction_message, itemsInTitle, Tracer);
((Item_HtmlSubwriter)subwriter).Item_Checked_Out_By_Other_User = itemCheckedOutByOtherUser;
}
else
{
// Create the invalid item html subwrite and write the HTML
subwriter = new Error_HtmlSubwriter(true);
}
break;
}
}
catch (Exception ee)
{
// Send to the dashboard
if ((HttpContext.Current.Request.UserHostAddress == "127.0.0.1") || (HttpContext.Current.Request.UserHostAddress == HttpContext.Current.Request.ServerVariables["LOCAL_ADDR"]) || (HttpContext.Current.Request.Url.ToString().IndexOf("localhost") >= 0))
{
Tracer.Add_Trace("Html_MainWriter.Constructor", "Exception caught!", Custom_Trace_Type_Enum.Error);
Tracer.Add_Trace("Html_MainWriter.Constructor", ee.Message, Custom_Trace_Type_Enum.Error);
Tracer.Add_Trace("Html_MainWriter.Constructor", ee.StackTrace, Custom_Trace_Type_Enum.Error);
// Wrap this into the SobekCM Exception
SobekCM_Traced_Exception newException = new SobekCM_Traced_Exception("Exception caught while building the mode-specific HTML Subwriter", ee, Tracer);
// Save this to the session state, and then forward to the dashboard
HttpContext.Current.Session["Last_Exception"] = newException;
HttpContext.Current.Response.Redirect("dashboard.aspx", false);
Current_Mode.Request_Completed = true;
return;
}
else
{
subwriter = new Error_HtmlSubwriter(false);
}
}
if (subwriter != null)
{
subwriter.Mode = currentMode;
subwriter.Skin = htmlSkin;
subwriter.Current_Aggregation = hierarchyObject;
}
}
/// <summary> Constructor for a new instance of the Html_MainWriter class </summary>
/// <param name="RequestSpecificValues"> All the necessary, non-global data specific to the current request </param>
public Html_MainWriter( RequestCache RequestSpecificValues )
: base(RequestSpecificValues)
{
// Check the IE hack CSS is loaded
if (HttpContext.Current.Application["NonIE_Hack_CSS"] == null)
{
string css_file = HttpContext.Current.Server.MapPath("default/SobekCM_NonIE.css");
if (File.Exists(css_file))
{
try
{
StreamReader reader = new StreamReader(css_file);
HttpContext.Current.Application["NonIE_Hack_CSS"] = reader.ReadToEnd().Trim();
reader.Close();
}
catch (Exception)
{
HttpContext.Current.Application["NonIE_Hack_CSS"] = "/* ERROR READING FILE: default/SobekCM_NonIE.css */";
throw;
}
}
else
{
HttpContext.Current.Application["NonIE_Hack_CSS"] = String.Empty;
}
}
// Handle basic events which may be fired by the internal header
if (HttpContext.Current.Request.Form["internal_header_action"] != null)
{
// Pull the action value
string internalHeaderAction = HttpContext.Current.Request.Form["internal_header_action"].Trim();
// Was this to hide or show the header?
if ((internalHeaderAction == "hide") || (internalHeaderAction == "show"))
{
// Pull the current visibility from the session
bool shown = !((HttpContext.Current.Session["internal_header"] != null) && (HttpContext.Current.Session["internal_header"].ToString() == "hidden"));
if ((internalHeaderAction == "hide") && (shown))
{
HttpContext.Current.Session["internal_header"] = "hidden";
UrlWriterHelper.Redirect(RequestSpecificValues.Current_Mode);
return;
}
if ((internalHeaderAction == "show") && (!shown))
{
HttpContext.Current.Session["internal_header"] = "shown";
UrlWriterHelper.Redirect(RequestSpecificValues.Current_Mode);
return;
}
}
}
try
{
// Create the html sub writer now
switch (RequestSpecificValues.Current_Mode.Mode)
{
case Display_Mode_Enum.Internal:
subwriter = new Internal_HtmlSubwriter(RequestSpecificValues);
break;
case Display_Mode_Enum.Statistics:
subwriter = new Statistics_HtmlSubwriter(RequestSpecificValues);
break;
case Display_Mode_Enum.Preferences:
subwriter = new Preferences_HtmlSubwriter(RequestSpecificValues);
break;
case Display_Mode_Enum.Error:
subwriter = new Error_HtmlSubwriter(false, RequestSpecificValues);
// Send the email now
if (RequestSpecificValues.Current_Mode.Caught_Exception != null)
{
if ( String.IsNullOrEmpty(RequestSpecificValues.Current_Mode.Error_Message))
RequestSpecificValues.Current_Mode.Error_Message = "Unknown exception caught";
Email_Information(RequestSpecificValues.Current_Mode.Error_Message, RequestSpecificValues.Current_Mode.Caught_Exception, RequestSpecificValues.Tracer, false);
}
break;
case Display_Mode_Enum.Legacy_URL:
subwriter = new LegacyUrl_HtmlSubwriter(RequestSpecificValues);
break;
case Display_Mode_Enum.Item_Print:
subwriter = new Print_Item_HtmlSubwriter( RequestSpecificValues );
break;
case Display_Mode_Enum.Contact:
StringBuilder builder = new StringBuilder();
builder.Append("\n\nSUBMISSION INFORMATION\n");
builder.Append("\tDate:\t\t\t\t" + DateTime.Now.ToString() + "\n");
string lastMode = String.Empty;
try
{
if (HttpContext.Current.Session["Last_Mode"] != null)
lastMode = HttpContext.Current.Session["Last_Mode"].ToString();
builder.Append("\tIP Address:\t\t\t" + HttpContext.Current.Request.UserHostAddress + "\n");
builder.Append("\tHost Name:\t\t\t" + HttpContext.Current.Request.UserHostName + "\n");
builder.Append("\tBrowser:\t\t\t" + HttpContext.Current.Request.Browser.Browser + "\n");
builder.Append("\tBrowser Platform:\t\t" + HttpContext.Current.Request.Browser.Platform + "\n");
builder.Append("\tBrowser Version:\t\t" + HttpContext.Current.Request.Browser.Version + "\n");
builder.Append("\tBrowser Language:\t\t");
bool first = true;
string[] languages = HttpContext.Current.Request.UserLanguages;
if (languages != null)
foreach (string thisLanguage in languages)
{
if (first)
{
builder.Append(thisLanguage);
first = false;
}
else
{
builder.Append(", " + thisLanguage);
}
}
builder.Append("\n\nHISTORY\n");
if (HttpContext.Current.Session["LastSearch"] != null)
builder.Append("\tLast Search:\t\t" + HttpContext.Current.Session["LastSearch"] + "\n");
if (HttpContext.Current.Session["LastResults"] != null)
builder.Append("\tLast Results:\t\t" + HttpContext.Current.Session["LastResults"] + "\n");
if (HttpContext.Current.Session["Last_Mode"] != null)
builder.Append("\tLast Mode:\t\t\t" + HttpContext.Current.Session["Last_Mode"] + "\n");
builder.Append("\tURL:\t\t\t\t" + HttpContext.Current.Items["Original_URL"]);
}
catch
{
}
subwriter = new Contact_HtmlSubwriter(lastMode, builder.ToString(), RequestSpecificValues);
break;
case Display_Mode_Enum.Contact_Sent:
subwriter = new Contact_HtmlSubwriter(String.Empty, String.Empty, RequestSpecificValues);
break;
case Display_Mode_Enum.Simple_HTML_CMS:
subwriter = new Web_Content_HtmlSubwriter(RequestSpecificValues);
break;
case Display_Mode_Enum.My_Sobek:
subwriter = new MySobek_HtmlSubwriter(RequestSpecificValues);
break;
case Display_Mode_Enum.Administrative:
subwriter = new Admin_HtmlSubwriter(RequestSpecificValues);
break;
case Display_Mode_Enum.Results:
subwriter = new Search_Results_HtmlSubwriter(RequestSpecificValues);
break;
case Display_Mode_Enum.Public_Folder:
subwriter = new Public_Folder_HtmlSubwriter(RequestSpecificValues);
break;
case Display_Mode_Enum.Search:
case Display_Mode_Enum.Aggregation:
subwriter = new Aggregation_HtmlSubwriter(RequestSpecificValues);
break;
case Display_Mode_Enum.Item_Display:
if ((!RequestSpecificValues.Current_Mode.Invalid_Item.HasValue || !RequestSpecificValues.Current_Mode.Invalid_Item.Value ) && (RequestSpecificValues.Current_Item != null))
{
bool show_toc = false;
if (HttpContext.Current.Session["Show TOC"] != null)
{
Boolean.TryParse(HttpContext.Current.Session["Show TOC"].ToString(), out show_toc);
}
// Check that this item is not checked out by another user
bool itemCheckedOutByOtherUser = false;
if (RequestSpecificValues.Current_Item.Behaviors.CheckOut_Required)
{
if (!Engine_ApplicationCache_Gateway.Checked_List.Check_Out(RequestSpecificValues.Current_Item.Web.ItemID, HttpContext.Current.Request.UserHostAddress))
{
itemCheckedOutByOtherUser = true;
}
}
// Check to see if this is IP restricted
string restriction_message = String.Empty;
if (RequestSpecificValues.Current_Item.Behaviors.IP_Restriction_Membership > 0)
{
if (HttpContext.Current != null)
{
int user_mask = (int)HttpContext.Current.Session["IP_Range_Membership"];
int comparison = RequestSpecificValues.Current_Item.Behaviors.IP_Restriction_Membership & user_mask;
if (comparison == 0)
{
int restriction = RequestSpecificValues.Current_Item.Behaviors.IP_Restriction_Membership;
int restriction_counter = 1;
while (restriction % 2 != 1)
{
restriction = restriction >> 1;
restriction_counter++;
}
if (Engine_ApplicationCache_Gateway.IP_Restrictions[restriction_counter] != null )
restriction_message = Engine_ApplicationCache_Gateway.IP_Restrictions[restriction_counter].Item_Restricted_Statement;
else
restriction_message = "Restricted Item";
}
}
}
// Create the item viewer writer
subwriter = new Item_HtmlSubwriter( show_toc, (String.IsNullOrEmpty(UI_ApplicationCache_Gateway.Settings.Servers.JP2ServerUrl)), restriction_message, RequestSpecificValues );
((Item_HtmlSubwriter)subwriter).Item_Checked_Out_By_Other_User = itemCheckedOutByOtherUser;
}
else
{
// Create the invalid item html subwrite and write the HTML
subwriter = new Error_HtmlSubwriter(true, RequestSpecificValues);
}
break;
}
}
catch (Exception ee)
{
// Send to the dashboard
if ((HttpContext.Current.Request.UserHostAddress == "127.0.0.1") || (HttpContext.Current.Request.UserHostAddress == HttpContext.Current.Request.ServerVariables["LOCAL_ADDR"]) || (HttpContext.Current.Request.Url.ToString().IndexOf("localhost") >= 0))
{
RequestSpecificValues.Tracer.Add_Trace("Html_MainWriter.Constructor", "Exception caught!", Custom_Trace_Type_Enum.Error);
RequestSpecificValues.Tracer.Add_Trace("Html_MainWriter.Constructor", ee.Message, Custom_Trace_Type_Enum.Error);
RequestSpecificValues.Tracer.Add_Trace("Html_MainWriter.Constructor", ee.StackTrace, Custom_Trace_Type_Enum.Error);
// Wrap this into the SobekCM Exception
SobekCM_Traced_Exception newException = new SobekCM_Traced_Exception("Exception caught while building the mode-specific HTML Subwriter", ee, RequestSpecificValues.Tracer);
// Save this to the session state, and then forward to the dashboard
HttpContext.Current.Session["Last_Exception"] = newException;
HttpContext.Current.Response.Redirect("dashboard.aspx", false);
RequestSpecificValues.Current_Mode.Request_Completed = true;
}
else
{
subwriter = new Error_HtmlSubwriter(false, RequestSpecificValues);
}
}
}
protected void Page_Load(object Sender, EventArgs E)
{
// Pull out the http request
HttpRequest request = HttpContext.Current.Request;
if (String.IsNullOrEmpty(SobekCM_Database.Connection_String))
{
Custom_Tracer tracer = new Custom_Tracer();
try
{
tracer.Add_Trace("SobekCM_Page_Globals.Constructor", String.Empty);
// Check that something is saved for the original requested URL (may not exist if not forwarded)
if (!HttpContext.Current.Items.Contains("Original_URL"))
HttpContext.Current.Items["Original_URL"] = request.Url.ToString();
}
catch (Exception ee)
{
// Send to the dashboard
if ((HttpContext.Current.Request.UserHostAddress == "127.0.0.1") || (HttpContext.Current.Request.UserHostAddress == HttpContext.Current.Request.ServerVariables["LOCAL_ADDR"]) || (HttpContext.Current.Request.Url.ToString().IndexOf("localhost") >= 0))
{
// Create an error message
string errorMessage;
if ((UI_ApplicationCache_Gateway.Settings.Database_Connections.Count == 0) || (String.IsNullOrEmpty(UI_ApplicationCache_Gateway.Settings.Database_Connections[0].Connection_String)))
{
errorMessage = "No database connection string found!";
string configFileLocation = AppDomain.CurrentDomain.BaseDirectory + "config/sobekcm.xml";
try
{
if (!File.Exists(configFileLocation))
{
errorMessage = "Missing config/sobekcm.xml configuration file on the web server.<br />Ensure the configuration file 'sobekcm.xml' exists in a 'config' subfolder directly under the web application.<br />Example configuration is:" +
"<div style=\"background-color: #bbbbbb; margin-left: 30px; margin-top:10px; padding: 3px;\"><?xml version="1.0" encoding="UTF-8" standalone="yes" ?><br /> <configuration><br />   <connection_string type="MSSQL">data source=localhost\\instance;initial catalog=SobekCM;integrated security=Yes;</connection_string><br />   <error_emails>[email protected]</error_emails><br />   <error_page>http://ufdc.ufl.edu/error.html</error_page><br /></configuration></div>";
}
}
catch
{
errorMessage = "No database connection string found.<br />Likely an error reading the configuration file due to permissions on the web server.<br />Ensure the configuration file 'sobekcm.xml' exists in a 'config' subfolder directly under the web application.<br />Example configuration is:" +
"<div style=\"background-color: #bbbbbb; margin-left: 30px; margin-top:10px; padding: 3px;\"><?xml version="1.0" encoding="UTF-8" standalone="yes" ?><br /> <configuration><br />   <connection_string type="MSSQL">data source=localhost\\instance;initial catalog=SobekCM;integrated security=Yes;</connection_string><br />   <error_emails>[email protected]</error_emails><br />   <error_page>http://ufdc.ufl.edu/error.html</error_page><br /></configuration></div>";
}
}
else
{
if (ee.Message.IndexOf("The EXECUTE permission") >= 0)
{
errorMessage = "Permissions error while connecting to the database and pulling necessary data.<br /><br />Confirm the following:<ul><li>IIS is configured correctly to use anonymous authentication</li><li>Anonymous user (or service account) is part of the sobek_users role in the database.</li></ul>";
}
else
{
errorMessage = "Error connecting to the database and pulling necessary data.<br /><br />Confirm the following:<ul><li>Database connection string is correct ( " + UI_ApplicationCache_Gateway.Settings.Database_Connections[0].Connection_String + ")</li><li>IIS is configured correctly to use anonymous authentication</li><li>Anonymous user (or service account) is part of the sobek_users role in the database.</li></ul>";
}
}
// Wrap this into the SobekCM Exception
SobekCM_Traced_Exception newException = new SobekCM_Traced_Exception(errorMessage, ee, tracer);
// Save this to the session state, and then forward to the dashboard
HttpContext.Current.Session["Last_Exception"] = newException;
HttpContext.Current.Response.Redirect("dashboard.aspx", true);
}
else
{
throw ee;
}
}
}
string bibID = null;
string vid = null;
// Is this a robot? They should never get access to files this way
if (Navigation_Object.Is_UserAgent_IP_Robot(request.UserAgent, request.UserHostAddress))
{
Response.Clear();
Response.Output.WriteLine("RESTRICTED ITEM");
return;
}
// Get any url rewrite which occurred
if (Request.QueryString["urlrelative"] != null)
{
string urlrewrite = Request.QueryString["urlrelative"].ToLower();
if (urlrewrite.Length > 4)
{
// Split the url relative list
string[] url_relative_info = urlrewrite.Split("/".ToCharArray());
List<string> url_relative_list = (from thisPart in url_relative_info where thisPart.Length > 0 select thisPart.ToLower()).ToList();
// Now, look for BIBID and VID
//if ((SobekCM_Database.Verify_Item_Lookup_Object(true, ref Global.Item_List, null)) && (Global.Item_List.Contains_BibID(url_relative_list[2].ToUpper())))
if ((url_relative_list.Count > 2) && (url_relative_list[2].Length == 10))
{
// This is a BibID for an existing title with at least one public item
bibID = url_relative_list[2].ToUpper();
// Is the next part a VID?
if (url_relative_list.Count > 3)
{
string possible_vid = url_relative_list[3].Trim().PadLeft(5, '0');
int vid_as_int;
if (Int32.TryParse(possible_vid, out vid_as_int))
vid = possible_vid;
}
}
// Only continue if there is a BibID / VID
if ((!String.IsNullOrEmpty(bibID)) && (!String.IsNullOrEmpty(vid)))
{
// Determine the new URL
StringBuilder urlBuilder = new StringBuilder(UI_ApplicationCache_Gateway.Settings.Servers.Image_Server_Network + bibID.Substring(0, 2) + "\\" + bibID.Substring(2, 2) + "\\" + bibID.Substring(4, 2) + "\\" + bibID.Substring(6, 2) + "\\" + bibID.Substring(8) + "\\" + vid + "\\" + url_relative_list[4], 250);
for (int i = 5; i < url_relative_list.Count; i++)
{
urlBuilder.Append("\\" + url_relative_list[i]);
}
file_url = urlBuilder.ToString();
// Get the extension
string extension = Path.GetExtension(file_url);
if (extension != null)
{
// Lookup the MIME type by extension
Mime_Type_Info mimeType = null;
if (UI_ApplicationCache_Gateway.Mime_Types.ContainsKey(extension.ToLower()))
mimeType = UI_ApplicationCache_Gateway.Mime_Types[extension.ToLower()];
if ((mimeType != null) && (!mimeType.isBlocked))
{
// Since everything is valid, check the database
bool isDark;
short restrictions;
SobekCM_Database.Get_Item_Restrictions(bibID, vid, null, out isDark, out restrictions);
// If not DARK, and is restricted, check for access here
if ((!isDark) && (restrictions > 0))
{
// Does this user already have IP restriction mask determined?
// Determine which IP Ranges this IP address belongs to, if not already determined.
if (HttpContext.Current.Session["IP_Range_Membership"] == null)
{
int ip_mask = UI_ApplicationCache_Gateway.IP_Restrictions.Restrictive_Range_Membership(request.UserHostAddress);
HttpContext.Current.Session["IP_Range_Membership"] = ip_mask;
}
int current_user_mask = Convert.ToInt32(HttpContext.Current.Session["IP_Range_Membership"]);
// Perform bitwise comparison
int comparison = restrictions & current_user_mask;
if (comparison == 0)
{
// If the user is Shibboleth authenticated, that is okay
User_Object possible_user = HttpContext.Current.Session["user"] as User_Object;
if (( possible_user == null ) || ( possible_user.Authentication_Type != User_Authentication_Type_Enum.Shibboleth ))
isDark = true;
}
}
if (!isDark)
{
// Should this be forwarded for this mimetype?
if (mimeType.shouldForward)
{
StringBuilder forwardBuilder = new StringBuilder(UI_ApplicationCache_Gateway.Settings.Servers.Image_URL + bibID.Substring(0, 2) + "/" + bibID.Substring(2, 2) + "/" + bibID.Substring(4, 2) + "/" + bibID.Substring(6, 2) + "/" + bibID.Substring(8) + "/" + vid + "/" + url_relative_list[4], 250);
for (int i = 5; i < url_relative_list.Count; i++)
{
forwardBuilder.Append("/" + url_relative_list[i]);
}
Response.Redirect(forwardBuilder.ToString());
}
else
{
Response.Clear();
Response.ContentType = mimeType.MIME_Type;
string filename = file_url;
if (File.Exists(filename))
{
using (FileStream sourceStream = File.OpenRead(filename))
{
sourceStream.CopyTo(Response.OutputStream, 32768);
}
}
Response.End();
}
}
else
{
Response.Clear();
Response.Output.WriteLine("RESTRICTED ITEM");
}
}
}
}
}
}
//public static async Task CopyToAsync(this Stream source, Stream destination)
//{
// int i = 0;
// var buffers = new [] { new byte[0x1000], new byte[0x1000] };
// Task writeTask = null;
// while(true)
// {
// var readTask = source.ReadAsync(buffers[i], 0, buffers[i].Length))>0;
// if (writeTask != null) await Task.WhenAll(readTask, writeTask);
// int bytesRead = await readTask;
// if (bytesRead == 0) break;
// writeTask = destination.WriteAsync(buffers[i], 0, bytesRead);
// i ^= 1; // swap buffers
// }
//}
}
