/// <summary>
/// Instantiates a custom request object that provides input for device detection.
/// </summary>
/// <param name="context">Implementation of IServiceProvider Interface</param>
public WurflCloudRequest(IServiceProvider externalContext)
{
_context = externalContext;
var context = new GeneralHttpContext(externalContext);
// Copy input headers into the internal collection
_requestHeaders = new Dictionary <String, String>();
var request = context.Request;
if (request == null)
{
return;
}
UserAgent = request.UserAgent ?? String.Empty;
var headers = context.Request.Headers;
for (var i = 0; i < headers.Count; i++)
{
var key = headers.GetKey(i);
var value = headers.Get(i);
AddRequestHeader(key, value);
}
}
/// <summary>
/// Prepares the request to be sent to the cloud (adds headers and formats the URL)
/// </summary>
/// <param name="context">Implementation of IServiceProvider Interface</param>
/// <param name="userAgent">Alternate UA???</param>
/// <param name="reqParams">Params ???</param>
/// <returns>URL for the cloud request</returns>
public String InitializeRequest(IServiceProvider externalContext, String userAgent, Dictionary <String, String> reqParams)
{
if (externalContext == null)
{
return(PrepareRequestFromUserAgentOnly(userAgent, reqParams));
}
var context = new GeneralHttpContext(externalContext);
// If the reportInterval is enabled and past the report age, include the report data in the next request
//if (_config.ReportInterval > 0 && _cache.GetReportAge() >= _config.ReportInterval)
// AddCloudCountersHeader();
// Prepare the request
var request = context.Request;
if (request == null)
{
return(String.Empty);
}
var headers = request.Headers;
// Grab (and concatenates) server variables for reporting purposes
var remoteAddress = String.Empty;
var httpForwarded = String.Empty;
if (request.ServerVariables != null)
{
remoteAddress = request.ServerVariables[HeaderNames.RemoteAddr];
httpForwarded = request.ServerVariables[HeaderNames.HttpXForwardedFor];
}
var via = String.Join(",", new[] { remoteAddress, httpForwarded }).Trim(',').Trim();
AddRequestHeader(HeaderNames.XForwardedFor, via);
// Copy input headers into the internal collection
if (headers != null)
{
for (var i = 0; i < headers.Count; i++)
{
var key = headers.GetKey(i);
var value = headers.Get(i);
AddRequestHeader(key, value);
}
}
// Ensure a user-agent header is present
EnsureUserAgent(userAgent);
// Keep on preparing internal data for the cloud request: now adding capabilities
var reqPath = BuildRequestPath(_capabilities);
// Finally, adding other headers
AddOtherHeaders(reqPath);
return(reqPath);
}
public override DeviceInfo GetDevice(IServiceProvider externalContext)
{
if (externalContext == null)
{
return(new DeviceInfo());
}
var context = new GeneralHttpContext(externalContext);
// User agent strings are hashed to produce shorter keys for the cache.
var userAgent = context.Request.UserAgent ?? String.Empty;
// Attempts to read from the cache
var device = ReadFromCache(userAgent);
return(device ?? new DeviceInfo());
}
public override Boolean SetDevice(IServiceProvider externalContext, DeviceInfo device)
{
if (device == null)
{
return(false);
}
if (externalContext == null)
{
return(false);
}
var context = new GeneralHttpContext(externalContext);
// User agent strings are hashed to produce shorter keys for the cache.
var userAgent = context.Request.UserAgent ?? String.Empty;
WriteToCache(userAgent, device);
return(true);
}
