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UTH-Not-NDKUTH-Not-NDK
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‎.gitignore‎

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bin/
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obj/
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/packages/
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riderModule.iml
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/_ReSharper.Caches/
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.idea/
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/SaveMyMyimaths.sln.DotSettings.user

‎README.md‎

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# SaveMyMyimaths
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A tool used to help myself with boring and annoying Myimaths tasks. Feel free to use it.
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**IMPORTANT: It is STRONGLY discouraged to use under un-emergent situations. There are traces of using this tool that
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administrators can find out.**
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## How-to
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### For Windows x64 users:
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- Download and extract “win_x64.zip” in directory “Releases”;
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- Run “SaveMyMyimaths.exe”.
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### For Mac M-series users:
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- Download [.NET SDK 8](https://dotnet.microsoft.com/en-us/download) if you haven’t done so;
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- Download and extract “osx_arm64.zip” in directory “Releases”;
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- Open up Terminal in the extracted directory;
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- Run “dotnet ./SaveMyMyimaths.dll”
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### For Mac Intel-series users:
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- Download [.NET SDK 8](https://dotnet.microsoft.com/en-us/download) if you haven’t done so;
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- Download and extract “osx_x64.zip” in directory “Releases”;
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- Open up Terminal in the extracted directory;
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- Run “dotnet ./SaveMyMyimaths.dll”
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### For other systems:
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Go and build it yourself😡

‎Release/osx_arm64.zip‎

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‎Release/osx_x64.zip‎

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‎Release/win_x64.zip‎

29.9 MB
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‎SaveMyMyimaths.sln‎

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Microsoft Visual Studio Solution File, Format Version 12.00
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SaveMyMyimaths", "SaveMyMyimaths\SaveMyMyimaths.csproj", "{8DA9D153-0901-4D3D-9084-185C5A9C586C}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{8DA9D153-0901-4D3D-9084-185C5A9C586C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{8DA9D153-0901-4D3D-9084-185C5A9C586C}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{8DA9D153-0901-4D3D-9084-185C5A9C586C}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{8DA9D153-0901-4D3D-9084-185C5A9C586C}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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EndGlobal

‎SaveMyMyimaths/Handlers/CrackHandler.cs‎

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using System.Text;
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using System.Web;
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using HtmlAgilityPack;
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using SaveMyMyimaths.Records;
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namespace SaveMyMyimaths;
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public class CrackHandler
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{
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private static readonly int TaskAmount = 5;
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public static async Task DoTaskAsync(int index)
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{
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var markParameters = await LoadTaskAsync(index);
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var client = new HttpClient(new HttpClientHandler { CookieContainer = Registry.Registry.Container });
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var request = new HttpRequestMessage(HttpMethod.Post, "https://app.myimaths.com/api/legacy/save/mark");
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Utilities.Utilities.AddHeaders(ref request);
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request.Content = new StringContent(Utilities.Utilities.ToQueryString(new Dictionary<string, string?>
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{
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{ "taskID", markParameters.TaskId.ToString() },
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{ "realID", markParameters.RealId.ToString() },
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{ "q1score", markParameters.Q1Score.ToString() },
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{ "q2score", markParameters.Q2Score.ToString() },
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{ "q3score", null },
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{ "q4score", null },
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{ "sCode", markParameters.GetSCode().ToString() },
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{ "studentID", markParameters.StudentId.ToString() },
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{ "authToken", markParameters.AuthToken },
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{ "time_spent", new Random().Next(600_000, 1_260_000).ToString() }
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}), Encoding.UTF8, "application/x-www-form-urlencoded");
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Registry.Registry.GetProgress("1").Update("Uploading marks...");
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var response = await client.SendAsync(request);
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Registry.Registry.GetProgress("1").Update("Finished.");
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}
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private static async Task<MarkParameterRecord> LoadTaskAsync(int index)
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{
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var markParameters = await GetMarkParameterRecordAsync(index);
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var client = new HttpClient(new HttpClientHandler { CookieContainer = Registry.Registry.Container });
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var request = (HttpContent)new StringContent(Utilities.Utilities.ToQueryString(new Dictionary<string, string?>
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{
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{ "taskID", markParameters.TaskId.ToString() },
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{ "realID", markParameters.RealId.ToString() },
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{ "authCode", null }
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}),
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Encoding.UTF8, "application/x-www-form-urlencoded");
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Registry.Registry.GetProgress("1").Update("Authenticating...");
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var response = await client.PostAsync("https://app.myimaths.com/api/legacy/auth", request);
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Utilities.Utilities.UpdateCookie(response);
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string content = await response.Content.ReadAsStringAsync();
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markParameters = markParameters with { AuthToken = HttpUtility.ParseQueryString(content)["authToken"] };
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client = new HttpClient(new HttpClientHandler { CookieContainer = Registry.Registry.Container });
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request = new StringContent(Utilities.Utilities.ToQueryString(new Dictionary<string, string?>
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{
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{ "taskID", markParameters.TaskId.ToString() },
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{ "realID", markParameters.RealId.ToString() }
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}));
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Registry.Registry.GetProgress("1").Update("Updating Cookie...");
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Utilities.Utilities.UpdateCookie(await client.PostAsync("https://app.myimaths.com/api/legacy/launch", request));
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return markParameters;
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}
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private static async Task<MarkParameterRecord> GetMarkParameterRecordAsync(int index)
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{
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var client = new HttpClient(new HttpClientHandler { CookieContainer = Registry.Registry.Container });
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Registry.Registry.NewProgress("1", "Requesting task info...", TaskAmount);
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var response =
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await client.GetAsync($"https://app.myimaths.com{Registry.Registry.TaskInfoRecordsList[index].Href}");
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Utilities.Utilities.UpdateCookie(response);
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var doc = new HtmlDocument();
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doc.LoadHtml(await response.Content.ReadAsStringAsync());
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string? src =
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doc.DocumentNode.SelectSingleNode("//embed/@src").GetAttributeValue("src", string.Empty);
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Registry.Registry.GetProgress("1").Update("Parsing task info...");
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return await MarkParameterRecord.ParseFromPlayerAsync(src);
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}
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}

‎SaveMyMyimaths/Handlers/LoginHandler.cs‎

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using System.Text;
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using System.Web;
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using HtmlAgilityPack;
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using SaveMyMyimaths.Records;
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namespace SaveMyMyimaths;
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public static class LoginHandler
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{
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private static string _csrf = "";
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private static readonly int TaskAmount = 6;
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private static AccountInfoRecord _accountInfo = null!;
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public static async Task Login(AccountInfoRecord account)
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{
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_accountInfo = account;
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await SchoolLoginAsync(account.SchoolUsername, account.SchoolPassword);
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await PortalLoginAsync(account.PortalUsername, account.PortalPassword);
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}
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private static async Task SchoolLoginAsync(string username, string password)
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{
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var client = new HttpClient();
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var request = new HttpRequestMessage(HttpMethod.Post, "https://login.myimaths.com/login");
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Utilities.Utilities.AddHeaders(ref request);
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request.Headers.Add("Referer", "https://login.myimaths.com/login");
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request.Headers.Add("Origin", "https://login.myimaths.com");
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Registry.Registry.NewProgress("0", "Fetching CSRF token", TaskAmount);
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_csrf = await FetchCsrfAsync("https://login.myimaths.com/login", false);
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string requestString =
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"utf8=%E2%9C%93&authenticity_token=" + HttpUtility.UrlEncode(_csrf, Encoding.UTF8) +
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"&_form_generated_at=" +
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HttpUtility.UrlEncode(DateTimeOffset.UtcNow.ToString("yyyy-MM-ddTHH:mm:sszzz"), Encoding.UTF8) +
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"&account%5Buser_name%5D=" + HttpUtility.UrlEncode(username, Encoding.UTF8) +
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"&account%5Bpassword%5D=" + HttpUtility.UrlEncode(password, Encoding.UTF8) + "&commit=Log+in";
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request.Content = new StringContent(requestString, Encoding.UTF8, "application/x-www-form-urlencoded");
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Registry.Registry.GetProgress("0").Update("Logging in to Myimaths...");
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var response = await client.SendAsync(request);
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Utilities.Utilities.UpdateCookie(response);
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Registry.Registry.GetProgress("0").Update("Updating Cookie...");
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client = new HttpClient(new HttpClientHandler { CookieContainer = Registry.Registry.Container });
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response = await client.GetAsync("https://app.myimaths.com/myportal/library/39?login_modal=true");
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Utilities.Utilities.UpdateCookie(response);
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}
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private static async Task<string> FetchCsrfAsync(string uri, bool isCookieNeeded)
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{
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var doc = new HtmlDocument();
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var client = isCookieNeeded
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? new HttpClient(new HttpClientHandler { CookieContainer = Registry.Registry.Container })
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: new HttpClient();
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var response = await client.GetAsync(uri);
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string responseContent = await response.Content.ReadAsStringAsync();
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doc.LoadHtml(responseContent);
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return doc.DocumentNode.SelectSingleNode("//meta[@name='csrf-token']")
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.GetAttributeValue("content", string.Empty);
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}
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private static async Task PortalLoginAsync(string portalUsername, string portalPassword)
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{
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var client = new HttpClient(new HttpClientHandler { CookieContainer = Registry.Registry.Container });
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var request = new HttpRequestMessage(HttpMethod.Post, "https://app.myimaths.com/myportal/student/authenticate");
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Utilities.Utilities.AddHeaders(ref request);
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request.Headers.Add("Referer", "https://app.myimaths.com/myportal/library/39?login_modal=true");
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request.Headers.Add("Origin", "https://app.myimaths.com");
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Registry.Registry.GetProgress("0").Update("Fetching CSRF token...");
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_csrf = await FetchCsrfAsync("https://app.myimaths.com/myportal/library/39", true);
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string requestString =
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"utf8=%E2%9C%93&authenticity_token=" + HttpUtility.UrlEncode(_csrf, Encoding.UTF8) +
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"&student%5Buser_name%5D=" + HttpUtility.UrlEncode(portalUsername, Encoding.UTF8) +
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"&student%5Bpassword%5D=" + HttpUtility.UrlEncode(portalPassword, Encoding.UTF8) + "&commit=Log+in";
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request.Content = new StringContent(requestString, Encoding.UTF8, "application/x-www-form-urlencoded");
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Registry.Registry.GetProgress("0").Update("Logging in to the student portal...");
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var response = await client.SendAsync(request);
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Utilities.Utilities.UpdateCookie(response);
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}
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public static async Task FindAllTaskAsync()
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{
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var client = new HttpClient(new HttpClientHandler { CookieContainer = Registry.Registry.Container });
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Registry.Registry.GetProgress("0").Update("Fetching unfinished tasks...");
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var response = await client.GetAsync("https://app.myimaths.com/myportal/student/my_homework");
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Utilities.Utilities.UpdateCookie(response);
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Registry.Registry.GetProgress("0").Update("Finished.");
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string responseContent = await response.Content.ReadAsStringAsync();
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var doc = new HtmlDocument();
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doc.LoadHtml(responseContent);
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var hrefs = doc.DocumentNode.SelectNodes("//a[@class='primary btn btn-m']");
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var infos = doc.DocumentNode.SelectNodes("//h2[@class='accordion-header']/button");
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string? studentName = doc.DocumentNode
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.SelectSingleNode("//div[@class='student-name d-flex align-items-center']/div[not(@*)]")
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.InnerText;
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Registry.Registry.Accounts.TryAdd(studentName, _accountInfo);
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Registry.Registry.DumpAccountInfoToFile();
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if (hrefs == null) return;
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//I know this is extremely not elegant, but man, I know nothing about algorithms and please forgive me.
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for (int i = 0; i < hrefs.Count; i++)
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{
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string? href = hrefs[i].GetAttributeValue("href", string.Empty);
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string name = infos[i].InnerText.Trim().Split("\n\n\n\n")[0];
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string dueDayInfo = infos[i].InnerText.Trim().Split("\n\n\n\n")[1];
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Registry.Registry.TaskInfoRecordsList.Add(new TaskInfoRecord(href, name, dueDayInfo));
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}
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}
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}

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