private static string graphql_qurey(InstagramExtractorOption option, string query_hash, Dictionary <string, string> param)
{
var url = $"https://www.instagram.com/graphql/query/?query_hash=" + query_hash + "&variables=" +
HttpUtility.UrlEncode(JsonConvert.SerializeObject(param));
option.PageReadCallback?.Invoke(url);
return(NetTools.DownloadString(url));
}
/// <summary>
/// Get userid from user nickname
/// </summary>
/// <param name="html">https://www.instagram.com/(.*?)/</param>
/// <returns></returns>
public static User get_user(InstagramExtractorOption option, string html)
{
var json = Regex.Match(html, @"window\._sharedData = (.*);</script>").Groups[1].Value;
var juser = (JToken.Parse(json)["entry_data"]["ProfilePage"] as JArray)[0]["graphql"]["user"];
var user = new User
{
UserId = juser["id"].ToString(),
UserName = juser["username"].ToString(),
FullName = juser["full_name"].ToString(),
TotalPostsCount = juser["edge_owner_to_timeline_media"]["count"].ToString().ToInt(),
FirstPost = new Posts
{
HasNext = (bool)juser["edge_owner_to_timeline_media"]["page_info"]["has_next_page"],
EndCursor = juser["edge_owner_to_timeline_media"]["page_info"]["end_cursor"].ToString(),
DisplayUrls = new List <string>(),
}
};
option.ProgressMax?.Invoke(user.TotalPostsCount);
option.ThumbnailCallback?.Invoke(NetTask.MakeDefault(juser["profile_pic_url_hd"].ToString()));
foreach (var post in juser["edge_owner_to_timeline_media"]["edges"])
{
user.FirstPost.PostCount++;
if (post["node"]["__typename"].ToString() == "GraphImage" || option.OnlyThumbnail)
{
user.FirstPost.DisplayUrls.Add(post["node"]["display_url"].ToString());
}
else
{
var short_code = post["node"]["shortcode"].ToString();
var json2 = graphql_qurey(option, sidecar_query_hash(), new Dictionary <string, string> {
{ "shortcode", short_code }
});
if (post["node"]["__typename"].ToString() == "GraphVideo")
{
var media = JToken.Parse(json2)["data"]["shortcode_media"];
extract_url(media, option, user.FirstPost.DisplayUrls);
}
else
{
foreach (var media in JToken.Parse(json2)["data"]["shortcode_media"]["edge_sidecar_to_children"]["edges"])
{
extract_url(media["node"], option, user.FirstPost.DisplayUrls);
}
}
}
}
return(user);
}
private static void extract_url(JToken media, InstagramExtractorOption option, List <string> urls)
{
if ((bool)media["is_video"] && !option.OnlyImages)
{
urls.Add(media["video_url"].ToString());
if (option.IncludeThumbnail)
{
urls.Add(media["display_url"].ToString());
}
}
else
{
urls.Add(media["display_url"].ToString());
}
}
public static Posts query_next(InstagramExtractorOption option, string query_hash, string id, string first, string after)
{
RETRY:
try
{
var json = graphql_qurey(option, query_hash, new Dictionary <string, string> {
{ "id", id }, { "first", first }, { "after", after }
});
var jmedia = JToken.Parse(json)["data"]["user"]["edge_owner_to_timeline_media"];
var posts = new Posts
{
HasNext = (bool)jmedia["page_info"]["has_next_page"],
EndCursor = jmedia["page_info"]["end_cursor"].ToString(),
DisplayUrls = new List <string>()
};
foreach (var post in jmedia["edges"])
{
posts.PostCount++;
if (post["node"]["__typename"].ToString() != "GraphSidecar" || option.OnlyThumbnail)
{
extract_url(post["node"], option, posts.DisplayUrls);
}
else
{
foreach (var media in post["node"]["edge_sidecar_to_children"]["edges"])
{
extract_url(media["node"], option, posts.DisplayUrls);
}
}
}
return(posts);
}
catch
{
Thread.Sleep(2000);
goto RETRY;
}
}
