protected override void ProcessHyperlink(string hyperlink, char hyperlinkType)
{
Markdown = Markdown.Remove(Brackets[1], Index - Brackets[1] + 1);
bool maliciousCodeDetected = (hyperlink.Contains("javascript:") || hyperlink.Contains("\"") || hyperlink.Contains("&"));
if (hyperlinkType == '?')
{
// Make sure the parenthesis only contain a number, the ID of the page to link to
int pageID;
bool success = int.TryParse(hyperlink, out pageID);
bool pageInWebsite = false;
if (success)
{
// Check if the page belongs to this website
IDBConnector db = DBConnectorFactory.GetDBConnector();
pageInWebsite = db.CheckPageExistence(pageID, this.websiteID);
}
if (success && pageInWebsite)
{
// Create an action that opens the linked page
Markdown = Markdown.Insert(Brackets[1], "</a>");
Markdown = Markdown.Remove(Brackets[0] - 1, 2);
Markdown = Markdown.Insert(Brackets[0] - 1, "<a href=\"javascript:openPage(" + pageID + ")\">");
}
else
{
// Remove all traces of the link's markdown
Markdown = Markdown.Remove(Brackets[0] - 1, 2);
}
}
else if (hyperlinkType == '!')
{
if (maliciousCodeDetected)
{
// Remove all traces of the image's markdown
Markdown = Markdown.Remove(Brackets[0] - 1, 2);
}
else
{
string altText = Markdown.Substring(Brackets[0] + 1, Brackets[1] - (Brackets[0] + 1));
Markdown = Markdown.Remove(Brackets[0] - 1, Brackets[1] - Brackets[0] + 1);
Markdown = Markdown.Insert(Brackets[0] - 1, "<img src=\"" + hyperlink + "\" alt\"" + altText + "\" class=\"img-responsive\">");
}
}
else
{
if (maliciousCodeDetected)
{
// Remove all traces of the link's markdown
Markdown = Markdown.Remove(Brackets[0], 1);
}
else
{
Markdown = Markdown.Insert(Brackets[1], "</a>");
Markdown = Markdown.Remove(Brackets[0], 1);
Markdown = Markdown.Insert(Brackets[0], "<a href=\"" + hyperlink + "\" target=\"_blank\" rel=\"noopener\">");
}
}
}
