/// <summary>
/// Processes dimensions for dynamically scaled images according to configuration.
///
/// </summary>
/// <param name="request">The media request.</param><param name="media">The media.</param>
private void ProcessImageDimensions(MediaRequest request, Sitecore.Resources.Media.Media media)
{
Assert.ArgumentNotNull((object)request, "request");
Assert.ArgumentNotNull((object)media, "media");
Item innerItem = media.MediaData.MediaItem.InnerItem;
int result1;
int.TryParse(innerItem["Height"], out result1);
int result2;
int.TryParse(innerItem["Width"], out result2);
bool flag = false;
int maxHeight = Settings.Media.Resizing.MaxHeight;
if (maxHeight != 0 && request.Options.Height > Math.Max(maxHeight, result1))
{
flag = true;
request.Options.Height = Math.Max(maxHeight, result1);
}
int maxWidth = Settings.Media.Resizing.MaxWidth;
if (maxWidth != 0 && request.Options.Width > Math.Max(maxWidth, result2))
{
flag = true;
request.Options.Width = Math.Max(maxWidth, result2);
}
if (!flag)
{
return;
}
Log.Warn(string.Format("Requested image exceeds allowed size limits. Requested URL:{0}", (object)request.InnerRequest.RawUrl), (object)this);
}
protected override bool DoProcessRequest(HttpContext context)
{
Assert.ArgumentNotNull((object)context, "context");
//Sitecore produces media search result icons with wrong querystring (2 question marks):
// "?h=48&thn=1&w=48&db=master?w=80&h=60&db=master"
// using the 1st part only "?h=48&thn=1&w=48&db=master" and redirect to the fixed url:
FixSearchResultIconUrl(context.Request);
MediaRequest request = MediaManager.ParseMediaRequest(context.Request);
if (request == null)
{
return(false);
}
Sitecore.Resources.Media.Media media = MediaManager.GetMedia(request.MediaUri);
// handle 404 of media items
if (media == null)
{
using (new SecurityDisabler())
media = MediaManager.GetMedia(request.MediaUri);
string str;
if (media == null)
{
str = Settings.ItemNotFoundUrl;
}
else
{
Assert.IsNotNull(Sitecore.Context.Site, "site");
str = Sitecore.Context.Site.LoginPage != string.Empty ? Sitecore.Context.Site.LoginPage : Settings.NoAccessUrl;
}
if (Settings.RequestErrors.UseServerSideRedirect)
{
HttpContext.Current.Server.TransferRequest(str);
}
else
{
HttpContext.Current.Response.Redirect(str);
}
return(true);
}
if (!IsCdnMedia(media))
{
return(base.DoProcessRequest(context));
}
if (request.Options.Thumbnail)
{
request.Options.UseMediaCache = false;
return(base.DoProcessRequest(context, request, media));
}
return(this.DoProcessRequest(context, media));
}
private bool DoProcessRequest(HttpContext context, Sitecore.Resources.Media.Media media)
{
var helper = new MediaHelper(media.MediaData.MediaItem);
string redirectUrl = helper.GetCloudBasedMediaUrl();
context.Response.Redirect(redirectUrl, false);
context.ApplicationInstance.CompleteRequest();
return(true);
}
private bool DoProcessRequest(HttpContext context, Sitecore.Resources.Media.Media media)
{
//var helper = new MediaHelper(media.MediaData.MediaItem);
//string redirectUrl = helper.GetCloudBasedMediaUrl();
//all blob urls set to expire in 24h (1440 minutes)
var redirectUrl = _provider.GetUrlWithSasToken(media.MediaData.MediaItem, 1440);
context.Response.Redirect(redirectUrl, false);
context.ApplicationInstance.CompleteRequest();
return(true);
}
public static long ProcessMediaItem(MediaItem mediaItem, CrunchOptions crunchOptions)
{
long resultantSize = 0;
if (crunchOptions.IsEnabled)
{
if (mediaItem.MimeType == "image/jpeg" || mediaItem.MimeType == "image/pjpeg" ||
mediaItem.MimeType == "image/gif" || mediaItem.MimeType == "image/png")
{
ICruncher cruncher = Cruncher.GetCruncher();
if (cruncher == null)
{
Log.Error("Could not find cruncher!", typeof(CrunchImage));
return(resultantSize);
}
if (mediaItem.Size >= cruncher.MaxImageSize)
{
return(resultantSize);
}
var mediaStream = mediaItem.GetMediaStream();
Job job = Context.Job;
try
{
CrunchResult result = cruncher.CrunchStream(mediaStream, crunchOptions);
if (result == null)
{
Log.Error(string.Format("Could not shrink media file {0}", mediaItem.InnerItem.Paths.Path),
typeof(CrunchImage));
}
Sitecore.Resources.Media.Media media = MediaManager.GetMedia(mediaItem);
using (var stream = new MemoryStream())
{
result.FileStream.CopyTo(stream);
stream.Position = 0;
resultantSize = stream.Length;
media.SetStream(stream, Path.GetExtension(result.Format).TrimStart('.'));
}
}
catch (Exception exception)
{
if (job != null)
{
job.Status.LogError("Image could not be reduced in size");
}
Log.Error(string.Format("Image crunch failed: {0}", mediaItem.InnerItem.Paths.FullPath), exception,
(typeof(CrunchImage)));
}
}
}
return(resultantSize);
}
protected override Tristate Modified(HttpContext context, Sitecore.Resources.Media.Media media, MediaOptions options)
{
string str1 = context.Request.Headers["If-None-Match"];
if (!string.IsNullOrEmpty(str1) && str1 != media.MediaData.MediaId)
{
return(Tristate.True);
}
string str2 = context.Request.Headers["If-Modified-Since"];
if (!string.IsNullOrEmpty(str2))
{
DateTime result;
if (DateTime.TryParse(str2.Split(';')[0].Replace(" UTC", " GMT"), out result))
{
return(MainUtil.GetTristate(!this.CompareDatesWithRounding(result, media.MediaData.Updated, new TimeSpan(0, 0, 1))));
}
Log.Warn(string.Format("Can't parse header. The wrong value - \"If-Modified-Since: {0}\" ", (object)str2), (object)typeof(MediaRequestHandler));
}
return(Tristate.Undefined);
}
protected override bool DoProcessRequest(HttpContext context)
{
Assert.ArgumentNotNull((object)context, "context");
MediaRequest request = MediaManager.ParseMediaRequest(context.Request);
if (request == null)
{
return(false);
}
Sitecore.Resources.Media.Media media = MediaManager.GetMedia(request.MediaUri);
if (!IsCdnMedia(media))
{
return(base.DoProcessRequest(context));
}
if (request.Options.Thumbnail)
{
request.Options.UseMediaCache = false;
return(base.DoProcessRequest(context, request, media));
}
return(this.DoProcessRequest(context, media));
}
private bool IsCdnMedia(Sitecore.Resources.Media.Media media)
{
return(media != null && media.MediaData.MediaItem.FileBased);
}
protected override bool DoProcessRequest(HttpContext context, MediaRequest request, Sitecore.Resources.Media.Media media)
{
Assert.ArgumentNotNull((object)context, "context");
Assert.ArgumentNotNull((object)request, "request");
Assert.ArgumentNotNull((object)media, "media");
if (this.Modified(context, media, request.Options) == Tristate.False)
{
Event.RaiseEvent("media:request", new object[1]
{
(object)request
});
this.SendMediaHeaders(media, context);
context.Response.StatusCode = 304;
return(true);
}
this.ProcessImageDimensions(request, media);
MediaStream stream = media.GetStream(request.Options);
if (stream == null)
{
return(false);
}
Event.RaiseEvent("media:request", new object[1]
{
(object)request
});
if (Settings.Media.EnableRangeRetrievalRequest && Settings.Media.CachingEnabled)
{
using (stream)
{
this.SendMediaHeaders(media, context);
new RangeRetrievalResponse(RangeRetrievalRequest.BuildRequest(context, media), stream).ExecuteRequest(context);
return(true);
}
}
else
{
this.SendMediaHeaders(media, context);
this.SendStreamHeaders(stream, context);
using (stream)
{
context.Response.AddHeader("Content-Length", stream.Stream.Length.ToString());
WebUtil.TransmitStream(stream.Stream, context.Response, Settings.Media.StreamBufferSize);
}
return(true);
}
}
protected override bool DoProcessRequest(HttpContext context, MediaRequest request, Sitecore.Resources.Media.Media media)
{
if (Context.Database.Name.ToLower() != "core")
{
string mediaId = media.MediaData.MediaItem.ID.ToString();
Item disclaimerFolder = Context.Database.GetItem("/sitecore/content/Global/Settings/Disclaimers");
if (disclaimerFolder != null)
{
foreach (Item disc in disclaimerFolder.Children)
{
if (disc["Media To Protect"].IndexOf(mediaId) >= 0)
{
string disclaimerPageId = disc["Disclaimer Page"];
Item item = Context.Database.GetItem(new ID(disclaimerPageId));
string url = LinkManager.GetItemUrl(item);
ShowDisclaimer(mediaId, url);
break;
}
}
}
}
return(base.DoProcessRequest(context, request, media));
}
/// <summary>
/// Process the current request and return false if the media item was not found, so Sitecore
/// can go ahead with processing the pipelines. Also check the <c>availableLanguages</c>
/// from the current <see cref="Sitecore.Sites.SiteContext"/> to check for a valid language
/// version of the media.
/// </summary>
/// <param name="context">Current <see cref="System.Web.HttpContext"/>.</param>
/// <returns><c>True</c> if everything was OK, <c>false</c> if the request is invalid or the media was not found.</returns>
protected override bool DoProcessRequest(HttpContext context)
{
Assert.ArgumentNotNull(context, "context");
Assert.IsNotNull(Sitecore.Context.Site, "site");
MediaRequest mediaRequest = MediaManager.ParseMediaRequest(context.Request);
if (mediaRequest == null)
{
return(false);
}
bool notfound = false;
bool noaccess = false;
string redirect = string.Empty;
Language lang = UrlUtil.ResolveLanguage();
// get media
Sitecore.Resources.Media.Media media = MediaManager.GetMedia(mediaRequest.MediaUri);
// check item in language
Item mediaItem = Sitecore.Context.Database.GetItem(mediaRequest.MediaUri.MediaPath);
if (Sitecore.Context.GetSiteName() != "shell" &&
(mediaItem == null ||
(!mediaItem.Fields["Blob"].Shared &&
!mediaItem.HasLanguageVersion(lang, Sitecore.Context.Site.Properties["availableLanguages"]))))
{
notfound = true;
}
// check for media
if (media == null)
{
using (new SecurityDisabler())
{
media = MediaManager.GetMedia(mediaRequest.MediaUri);
}
if (media == null)
{
notfound = true;
}
else
{
noaccess = true;
}
}
// generate redirect url
if (notfound)
{
redirect = Sitecore.Configuration.Settings.ItemNotFoundUrl;
}
else if (noaccess)
{
redirect = ((Sitecore.Context.Site.LoginPage != string.Empty) ? Sitecore.Context.Site.LoginPage : Sitecore.Configuration.Settings.NoAccessUrl);
}
// redirect if needed
if (!string.IsNullOrEmpty(redirect))
{
if (Sitecore.Configuration.Settings.RequestErrors.UseServerSideRedirect)
{
HttpContext.Current.Server.Transfer(redirect);
}
else
{
HttpContext.Current.Response.Redirect(redirect);
}
return(false);
}
return(this.DoProcessRequest(context, mediaRequest, media));
}
