protected override IEmbeddedResult ProcessUrl(string url)
{
int matchIndex;
var match = Match(url, out matchIndex);
if (matchIndex == 1)
{
// this is a directly link to an image.
// let's get the real url so that we can render the image as a propert imgur image.
url = "http://imgur.com/gallery/" + match.Groups[1].Value;
match = Match(url);
}
var imgurId = match.Groups[2].Value;
var responseHtml = _requestService.Get(url, "text/html");
var metaTags = _htmlParser.ParseMetaTags(responseHtml);
var twitterCardMeta = metaTags.FirstOrDefault(x => x.Name == "twitter:card");
if (twitterCardMeta == null)
{
return(null);
}
if (twitterCardMeta.Content == "photo")
{
var twitterImgSrcMeta = metaTags.FirstOrDefault(x => x.Name == "twitter:image:src");
if (twitterImgSrcMeta == null)
{
return(null);
}
if (string.IsNullOrEmpty(twitterImgSrcMeta.Content))
{
return(null);
}
var twitterImgSrcWidthMeta = metaTags.FirstOrDefault(x => x.Name == "twitter:image:width");
if (twitterImgSrcWidthMeta == null)
{
return(null);
}
if (string.IsNullOrEmpty(twitterImgSrcWidthMeta.Content))
{
return(null);
}
var twitterImgSrcHeightMeta = metaTags.FirstOrDefault(x => x.Name == "twitter:image:height");
if (twitterImgSrcHeightMeta == null)
{
return(null);
}
if (string.IsNullOrEmpty(twitterImgSrcHeightMeta.Content))
{
return(null);
}
var openGraphTitleMeta = metaTags.FirstOrDefault(x => x.Property == "og:title");
var result = new PhotoEmbeddedResult(twitterImgSrcMeta.Content,
twitterImgSrcWidthMeta.Content,
twitterImgSrcHeightMeta.Content,
openGraphTitleMeta != null ? openGraphTitleMeta.Content : null,
"http://imgur.com/",
null,
"Imgur",
"http://imgur.com/");
// attempt to add the image as a gallery item so that the image appears and fancy-like.
int width;
int height;
if (!int.TryParse(twitterImgSrcWidthMeta.Content, out width))
{
return(result);
}
if (!int.TryParse(twitterImgSrcHeightMeta.Content, out height))
{
return(result);
}
result.AdditionalData["Items"] = new List <ImgurGalleryItem>
{
new ImgurGalleryItem
{
Url = result.Url,
Width = width,
Height = height,
Type = ImgurGalleryItemType.Photo
}
};
return(result);
}
if (twitterCardMeta.Content == "gallery")
{
var openGraphTitleMeta = metaTags.FirstOrDefault(x => x.Property == "og:title");
var html = string.Format("<blockquote class=\"imgur-embed-pub\" lang=\"en\" data-id=\"a/{0}\"><a href=\"//imgur.com/a/{0}\">{1}</a></blockquote><script async src=\"//s.imgur.com/min/embed.js\" charset=\"utf-8\"></script>", imgurId, openGraphTitleMeta != null ? openGraphTitleMeta.Content : null);
var result = new RichEmbeddedResult(html,
"540",
"500",
"",
"Imgur",
null,
"Imgur",
"http://imgur.com/");
var galleryItems = new List <ImgurGalleryItem>();
int?currentWidth = null;
int?currentHeight = null;
foreach (var openGraphImage in metaTags.Where(x => x.Property == "og:image" || x.Property == "og:image:width" || x.Property == "og:image:height")
// the layout in the markup is image > width > height.
// this reorders so dimensions are first.
.Reverse())
{
if (openGraphImage.Property == "og:image")
{
var openGraphImageUrl = openGraphImage.Content;
if (string.IsNullOrEmpty(openGraphImageUrl))
{
currentWidth = null;
currentHeight = null;
continue;
}
if (!currentWidth.HasValue || !currentHeight.HasValue)
{
currentWidth = null;
currentHeight = null;
continue;
}
var galleryItem = new ImgurGalleryItem();
galleryItem.Url = openGraphImageUrl;
galleryItem.Width = currentWidth.Value;
galleryItem.Height = currentHeight.Value;
if (galleryItem.Url.EndsWith("?fb"))
{
galleryItem.Url = galleryItem.Url.Substring(0, galleryItem.Url.Length - 3);
}
if (galleryItem.Url.EndsWith(".gif"))
{
galleryItem.Type = ImgurGalleryItemType.Gif;
galleryItem.Mp4 = galleryItem.Url.Substring(0, galleryItem.Url.Length - 3) + "mp4";
galleryItem.Webm = galleryItem.Url.Substring(0, galleryItem.Url.Length - 3) + "webm";
}
else
{
galleryItem.Type = ImgurGalleryItemType.Photo;
}
galleryItems.Add(galleryItem);
currentWidth = null;
currentHeight = null;
}
else if (openGraphImage.Property == "og:image:width")
{
int temp;
if (int.TryParse(openGraphImage.Content, out temp))
{
currentWidth = temp;
}
}
else if (openGraphImage.Property == "og:image:height")
{
int temp;
if (int.TryParse(openGraphImage.Content, out temp))
{
currentHeight = temp;
}
}
}
if (galleryItems.Count > 0)
{
result.AdditionalData["Items"] = galleryItems;
}
return(result);
}
if (twitterCardMeta.Content == "player")
{
var twitterPlayerWidthMeta = metaTags.FirstOrDefault(x => x.Name == "twitter:player:width");
if (twitterPlayerWidthMeta == null)
{
return(null);
}
if (string.IsNullOrEmpty(twitterPlayerWidthMeta.Content))
{
return(null);
}
var twitterPlayerHeightMeta = metaTags.FirstOrDefault(x => x.Name == "twitter:player:height");
if (twitterPlayerHeightMeta == null)
{
return(null);
}
if (string.IsNullOrEmpty(twitterPlayerHeightMeta.Content))
{
return(null);
}
var openGraphTitleMeta = metaTags.FirstOrDefault(x => x.Property == "og:title");
var result = new PhotoEmbeddedResult(string.Format("https://i.imgur.com/{0}.gif", imgurId),
twitterPlayerWidthMeta.Content,
twitterPlayerHeightMeta.Content,
openGraphTitleMeta != null ? openGraphTitleMeta.Content : null,
"http://imgur.com/",
null,
"Imgur",
"http://imgur.com/");
// attempt to add the image as a gallery item so that the image appears and fancy-like.
int width;
int height;
if (!int.TryParse(twitterPlayerWidthMeta.Content, out width))
{
return(result);
}
if (!int.TryParse(twitterPlayerHeightMeta.Content, out height))
{
return(result);
}
result.AdditionalData["Items"] = new List <ImgurGalleryItem>
{
new ImgurGalleryItem
{
Url = result.Url,
Mp4 = result.Url.Substring(0, result.Url.Length - 3) + "mp4",
Webm = result.Url.Substring(0, result.Url.Length - 3) + "webm",
Width = width,
Height = height,
Type = ImgurGalleryItemType.Gif
}
};
return(result);
}
return(null);
}
protected override IEmbeddedResult ProcessUrl(string url)
{
int matchIndex;
var match = Match(url, out matchIndex);
if (matchIndex == 1)
{
// this is a directly link to an image.
// let's get the real url so that we can render the image as a propert imgur image.
url = "http://imgur.com/gallery/" + match.Groups[1].Value;
match = Match(url);
}
var imgurId = match.Groups[2].Value;
var responseHtml = _requestService.Get(url, "text/html");
var metaTags = _htmlParser.ParseMetaTags(responseHtml);
var twitterCardMeta = metaTags.FirstOrDefault(x => x.Name == "twitter:card");
if (twitterCardMeta == null) return null;
if (twitterCardMeta.Content == "photo")
{
var twitterImgSrcMeta = metaTags.FirstOrDefault(x => x.Name == "twitter:image:src");
if (twitterImgSrcMeta == null) return null;
if (string.IsNullOrEmpty(twitterImgSrcMeta.Content)) return null;
var twitterImgSrcWidthMeta = metaTags.FirstOrDefault(x => x.Name == "twitter:image:width");
if (twitterImgSrcWidthMeta == null) return null;
if (string.IsNullOrEmpty(twitterImgSrcWidthMeta.Content)) return null;
var twitterImgSrcHeightMeta = metaTags.FirstOrDefault(x => x.Name == "twitter:image:height");
if (twitterImgSrcHeightMeta == null) return null;
if (string.IsNullOrEmpty(twitterImgSrcHeightMeta.Content)) return null;
var openGraphTitleMeta = metaTags.FirstOrDefault(x => x.Property == "og:title");
var result = new PhotoEmbeddedResult(twitterImgSrcMeta.Content,
twitterImgSrcWidthMeta.Content,
twitterImgSrcHeightMeta.Content,
openGraphTitleMeta != null ? openGraphTitleMeta.Content : null,
"http://imgur.com/",
null,
"Imgur",
"http://imgur.com/");
// attempt to add the image as a gallery item so that the image appears and fancy-like.
int width;
int height;
if (!int.TryParse(twitterImgSrcWidthMeta.Content, out width))
return result;
if (!int.TryParse(twitterImgSrcHeightMeta.Content, out height))
return result;
result.AdditionalData["Items"] = new List<ImgurGalleryItem>
{
new ImgurGalleryItem
{
Url = result.Url,
Width = width,
Height = height,
Type = ImgurGalleryItemType.Photo
}
};
return result;
}
if (twitterCardMeta.Content == "gallery")
{
var openGraphTitleMeta = metaTags.FirstOrDefault(x => x.Property == "og:title");
var html = string.Format("<blockquote class=\"imgur-embed-pub\" lang=\"en\" data-id=\"a/{0}\"><a href=\"//imgur.com/a/{0}\">{1}</a></blockquote><script async src=\"//s.imgur.com/min/embed.js\" charset=\"utf-8\"></script>", imgurId, openGraphTitleMeta != null ? openGraphTitleMeta.Content : null);
var result = new RichEmbeddedResult(html,
"540",
"500",
"",
"Imgur",
null,
"Imgur",
"http://imgur.com/");
var galleryItems = new List<ImgurGalleryItem>();
int? currentWidth = null;
int? currentHeight = null;
foreach (var openGraphImage in metaTags.Where(x => x.Property == "og:image" || x.Property == "og:image:width" || x.Property == "og:image:height")
// the layout in the markup is image > width > height.
// this reorders so dimensions are first.
.Reverse())
{
if (openGraphImage.Property == "og:image")
{
var openGraphImageUrl = openGraphImage.Content;
if (string.IsNullOrEmpty(openGraphImageUrl))
{
currentWidth = null;
currentHeight = null;
continue;
}
if (!currentWidth.HasValue || !currentHeight.HasValue)
{
currentWidth = null;
currentHeight = null;
continue;
}
var galleryItem = new ImgurGalleryItem();
galleryItem.Url = openGraphImageUrl;
galleryItem.Width = currentWidth.Value;
galleryItem.Height = currentHeight.Value;
if (galleryItem.Url.EndsWith("?fb"))
galleryItem.Url = galleryItem.Url.Substring(0, galleryItem.Url.Length - 3);
if (galleryItem.Url.EndsWith(".gif"))
{
galleryItem.Type = ImgurGalleryItemType.Gif;
galleryItem.Mp4 = galleryItem.Url.Substring(0, galleryItem.Url.Length - 3) + "mp4";
galleryItem.Webm = galleryItem.Url.Substring(0, galleryItem.Url.Length - 3) + "webm";
}
else
{
galleryItem.Type = ImgurGalleryItemType.Photo;
}
galleryItems.Add(galleryItem);
currentWidth = null;
currentHeight = null;
}
else if (openGraphImage.Property == "og:image:width")
{
int temp;
if (int.TryParse(openGraphImage.Content, out temp))
currentWidth = temp;
}
else if (openGraphImage.Property == "og:image:height")
{
int temp;
if (int.TryParse(openGraphImage.Content, out temp))
currentHeight = temp;
}
}
if (galleryItems.Count > 0)
{
result.AdditionalData["Items"] = galleryItems;
}
return result;
}
if (twitterCardMeta.Content == "player")
{
var twitterPlayerWidthMeta = metaTags.FirstOrDefault(x => x.Name == "twitter:player:width");
if (twitterPlayerWidthMeta == null) return null;
if (string.IsNullOrEmpty(twitterPlayerWidthMeta.Content)) return null;
var twitterPlayerHeightMeta = metaTags.FirstOrDefault(x => x.Name == "twitter:player:height");
if (twitterPlayerHeightMeta == null) return null;
if (string.IsNullOrEmpty(twitterPlayerHeightMeta.Content)) return null;
var openGraphTitleMeta = metaTags.FirstOrDefault(x => x.Property == "og:title");
var result = new PhotoEmbeddedResult(string.Format("https://i.imgur.com/{0}.gif", imgurId),
twitterPlayerWidthMeta.Content,
twitterPlayerHeightMeta.Content,
openGraphTitleMeta != null ? openGraphTitleMeta.Content : null,
"http://imgur.com/",
null,
"Imgur",
"http://imgur.com/");
// attempt to add the image as a gallery item so that the image appears and fancy-like.
int width;
int height;
if (!int.TryParse(twitterPlayerWidthMeta.Content, out width))
return result;
if (!int.TryParse(twitterPlayerHeightMeta.Content, out height))
return result;
result.AdditionalData["Items"] = new List<ImgurGalleryItem>
{
new ImgurGalleryItem
{
Url = result.Url,
Mp4 = result.Url.Substring(0, result.Url.Length - 3) + "mp4",
Webm = result.Url.Substring(0, result.Url.Length - 3) + "webm",
Width = width,
Height = height,
Type = ImgurGalleryItemType.Gif
}
};
return result;
}
return null;
}