private static void LogIn()
{
try
{
//Fetch csrftoken using a GET request and store the cookies
var csrfToken = ParseText(HTTPMethods.GET(Constants.GetUrl, InstagramAccount.cookies, Constants.Referer), "csrf_token\": \"", "\", \"viewer");
//Use the fetched csrftoken and saved cookies for logging in
if (HTTPMethods.POST("username="******"&password="******"\"authenticated\": true", Constants.Referer))
{
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("Successfully logged in");
}
else
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("Error logging in.");
}
}
catch (Exception ex)
{
Console.WriteLine("An error occured while logging in: {0}", ex.Message);
}
Console.ForegroundColor = ConsoleColor.White;
}
private static void FetchPosts()
{
List <string> postList = new List <string>();
//The ?__a=1 parameter returns just the JSON without any HTML
string pageUrl = "https://www.instagram.com/" + targetUser + "/?__a=1";
//Flag separates the first iteration from the rest
bool flag = false;
//WebClient used for downloading the webpage initially
WebClient wc = new WebClient();
try
{
string rawSrc = wc.DownloadString("https://www.instagram.com/" + targetUser + "/?__a=1");
Console.WriteLine("Name: {0}", ParseText(rawSrc, "\"full_name\": \"", "\", \"has_blocked_viewer"));
string mediaCount;
//Private account
if (rawSrc.Contains("\"media\": {\"nodes\": [], \"count\": "))
{
mediaCount = ParseText(rawSrc, "\"media\": {\"nodes\": [], \"count\": ", ", \"page_info\"");
}
//Public account
else
{
mediaCount = ParseText(rawSrc, "}}], \"count\": ", ", \"page_info");
}
Console.WriteLine("Photos: {0}", mediaCount);
Console.WriteLine("Biography: {0}", ParseText(rawSrc, "\"biography\": \"", "\", \"blocked_by_viewer"));
if (rawSrc.Contains("\"is_private\": true"))
{
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine("\nAccount is private; please login to your account.");
Console.ForegroundColor = ConsoleColor.White;
Console.Write("Username: "******"Password: "******"\nLogging in...");
loginTask.Wait();
}
//queryId is a constant stored in the ConsumerCommons.js file — no longer required
//Console.WriteLine("Fetching query ID...");
//string rawJs = new WebClient().DownloadString("https://www.instagram.com/static/bundles/ConsumerCommons.js/db149d8f0b6c.js");
//string queryId = ParseText(rawJs, "queryId:\"", "\",");
//profileId was required for the first endpoint — no longer required.
//string profileId = ParseText2(rawSrc, "\"owner\": {\"id\": \"", "\"},");
//Console.WriteLine("Query ID: " + queryId);
Console.WriteLine("\nFetching posts...");
do
{
rawSrc = HTTPMethods.GET(pageUrl, InstagramAccount.cookies, "https://www.instagram.com/" + targetUser + "/");
string json;
//First iteration
if (rawSrc.Contains("\"media\": {\"nodes\": "))
{
//Split the raw string into a valid JSON format
json = ParseText(rawSrc, "\"media\": {\"nodes\": ", "}}], \"count\"") + "}}]";
//flag=false indicates first iteration
flag = false;
}
else
{
//JSON keys are different from first iteration
json = ParseText(rawSrc, "\"edges\": ", "}]}}}") + "}]";
//flag=true indicates all other iterations
flag = true;
}
string end_cursor = string.Empty;
//If there are more pages with posts
if (rawSrc.Contains("\"has_next_page\": true"))
{
end_cursor = ParseText(rawSrc, "{\"has_next_page\": true, \"end_cursor\": \"", "\"}");
}
//Deserialize JSON
dynamic dyn = JsonConvert.DeserializeObject(json);
foreach (var post in dyn)
{
if (flag == false)
{
//First iteration uses display_src key
postList.Add((string)post.display_src + "$" + (string)post.code);
}
else
{
//Subsequent iterations use display_url
postList.Add((string)post.display_url + "$" + (string)post.code);
}
}
//Pagination for multiple pages
pageUrl = "https://www.instagram.com/" + targetUser + "/?__a=1&max_id=" + end_cursor;
//The original endpoint I was using — complicated and unnecessary
//pageUrl = "https://www.instagram.com/graphql/query/?query_id="+ queryId +"&variables={\"id\":\""+ profileId + "\",\"first\":12,\"after\":\"" + end_cursor + "\"}" ;
}while (rawSrc.Contains("\"has_next_page\": true"));
Console.WriteLine("Finished fetching {0} posts.", postList.Count);
//Create new directory for user
if (!Directory.Exists(targetUser))
{
Directory.CreateDirectory(targetUser);
}
Console.WriteLine("Created new directory {0}", targetUser);
DownloadMedia(postList);
postList.Clear();
}
catch (Exception ex)
{
Console.WriteLine("\nAn error occured: {0}", ex.Message);
}
}