/// <summary>
/// Create a new FiftyOneJsProvider
/// </summary>
public FiftyOneJsProvider()
{
var pipeline = WebPipeline.GetInstance().Pipeline;
var headersAffectingJavaScript = new List <string>();
// Get evidence filters for all elements that have
// JavaScript properties.
var filters = pipeline.FlowElements
.Where(e => e.Properties.Any(p =>
p.Type != null &&
p.Type == typeof(JavaScript)))
.Select(e => e.EvidenceKeyFilter);
foreach (var filter in filters)
{
// If the filter is a white list or derived type then
// get all HTTP header evidence keys from white list
// and add them to the headers that could affect the
// generated JavaScript.
var whitelist = filter as EvidenceKeyFilterWhitelist;
if (whitelist != null)
{
var headerPrefix = Core.Constants.EVIDENCE_HTTPHEADER_PREFIX +
Core.Constants.EVIDENCE_SEPERATOR;
headersAffectingJavaScript.AddRange(whitelist.Whitelist
.Where(entry => entry.Key.StartsWith(
headerPrefix, StringComparison.OrdinalIgnoreCase))
.Select(entry => entry.Key.Substring(
entry.Key.IndexOf(Core.Constants.EVIDENCE_SEPERATOR,
StringComparison.OrdinalIgnoreCase) + 1)));
}
}
_headersAffectingJavaScript = new StringValues(headersAffectingJavaScript.ToArray());
}
/// <summary>
/// Create a new FiftyOneJsProvider
/// </summary>
public FiftyOneJsProvider()
{
using (var loggerFactory = new LoggerFactory())
{
var logger = loggerFactory.CreateLogger <ClientsidePropertyService>();
_clientsidePropertyService = new ClientsidePropertyService(
WebPipeline.GetInstance().Pipeline, logger);
}
}
/// <summary>
/// Gets the <see cref="HttpBrowserCapabilities"/> object for the
/// specified <see cref="HttpRequest"/>.
/// </summary>
/// <param name="request">
/// The <see cref="HttpRequest"/> to get the browser capabilities for.
/// </param>
/// <returns>
/// The browser capabilities for the specified
/// <see cref="HttpRequest"/>.
/// </returns>
public override HttpBrowserCapabilities GetBrowserCapabilities(
HttpRequest request)
{
HttpBrowserCapabilities caps;
var baseCaps = base.GetBrowserCapabilities(request);
var flowData = WebPipeline.Process(request);
if (flowData != null)
{
// A provider is present so 51Degrees can be used to override
// some of the returned values.
caps = new PipelineCapabilities(
baseCaps,
request,
flowData);
// Copy the adapters from the original.
var adapters = baseCaps.Adapters.GetEnumerator();
while (adapters.MoveNext())
{
caps.Adapters.Add(adapters.Key, adapters.Value);
}
// Copy the browsers from the original to prevent the Browsers
// property returning null.
if (baseCaps.Browsers != null)
{
foreach (string browser in baseCaps.Browsers)
{
caps.AddBrowser(browser);
}
}
}
else
{
// No 51Degrees flow data is present so we have to use
// the base capabilities only.
caps = baseCaps;
}
return(caps);
}
/// <summary>
/// Constructor
/// </summary>
public SetHeadersProvider()
{
var pipeline = WebPipeline.GetInstance().Pipeline;
_setHeadersElement = pipeline.GetElement <ISetHeadersElement>();
}
