public void Init(HttpApplication context)
{
this._context = context;
_prerenderConfig = ConfigurationManager.GetSection(PRERENDER_SECTION_KEY) as PrerenderConfigSection;
context.BeginRequest += context_BeginRequest;
}
public void Init(HttpApplication context)
{
this._context = context;
_prerenderConfig = ConfigurationManager.GetSection(PRERENDER_SECTION_KEY) as PrerenderConfigSection;
context.BeginRequest += context_BeginRequest;
}
public void Init(HttpApplication context)
{
_context = context;
_prerenderConfig = ConfigurationManager.GetSection(PRERENDER_SECTION_KEY) as PrerenderConfigSection;
_crawlerUserAgents = GetCrawlerUserAgents(_prerenderConfig);
_extensionsToIgnore = GetExtensionsToIgnore(_prerenderConfig);
context.BeginRequest += context_BeginRequest;
}
public void Init(HttpApplication context)
{
this._context = context;
_prerenderConfig = ConfigurationManager.GetSection(PRERENDER_SECTION_KEY) as PrerenderConfigSection;
BuildCrawlerUsageAgentsList();
BuildExtensionsToIgnoreList();
BuildBlackList();
BuildWhiteList();
var wrapper = new EventHandlerTaskAsyncHelper(ContextBeginRequest);
context.AddOnBeginRequestAsync(wrapper.BeginEventHandler, wrapper.EndEventHandler);
}
private List <String> GetExtensionsToIgnore(PrerenderConfigSection config)
{
List <string> extensionsToIgnore = new List <string>()
{
".js", ".css", ".less", ".png", ".jpg", ".jpeg",
".gif", ".pdf", ".doc", ".txt", ".zip", ".mp3", ".rar", ".exe", ".wmv", ".doc", ".avi", ".ppt", ".mpg",
".mpeg", ".tif", ".wav", ".mov", ".psd", ".ai", ".xls", ".mp4", ".m4a", ".swf", ".dat", ".dmg",
".iso", ".flv", ".m4v", ".torrent"
};
if (config.ExtensionsToIgnore.IsNotEmpty())
{
extensionsToIgnore.AddRange(config.ExtensionsToIgnore);
}
return(extensionsToIgnore);
}
private List <String> GetCrawlerUserAgents(PrerenderConfigSection config)
{
List <string> crawlerUserAgents = new List <string>()
{
/*"googlebot",*/ "yahoo", "bingbot", "yandex", "baiduspider", "facebookexternalhit", "twitterbot", "rogerbot", "linkedinbot",
"embedly", "quora link preview", "showyoubot", "outbrain", "pinterest/0.", "pinterestbot/",
"developers.google.com/+/web/snippet", "slackbot", "vkShare", "W3C_Validator",
"redditbot", "Applebot", "WhatsApp", "flipboard", "tumblr", "bitlybot",
"SkypeUriPreview", "nuzzel", "Discordbot", "Google Page Speed", "x-bufferbot"
};
if (config.CrawlerUserAgents.IsNotEmpty())
{
crawlerUserAgents.AddRange(config.CrawlerUserAgents);
}
return(crawlerUserAgents);
}
