Add project source

src/PasslickDevelopment.LearnwebNotifier/.dockerignore

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+**/.classpath
+**/.dockerignore
+**/.env
+**/.git
+**/.gitignore
+**/.project
+**/.settings
+**/.toolstarget
+**/.vs
+**/.vscode
+**/*.*proj.user
+**/*.dbmdl
+**/*.jfm
+**/azds.yaml
+**/bin
+**/charts
+**/docker-compose*
+**/Dockerfile*
+**/node_modules
+**/npm-debug.log
+**/obj
+**/secrets.dev.yaml
+**/values.dev.yaml
+LICENSE
+README.md

src/PasslickDevelopment.LearnwebNotifier/LearnwebNotifier.Library/Domain/Communication/ServiceResponse.cs

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+using LearnwebNotifier.Library.Domain.Models;
+using System;
+using System.Collections.Generic;
+
+namespace LearnwebNotifier.Library.Domain.Communication
+{
+	public class ServiceResponse
+	{
+		public Guid ExecId { get; }
+		public DateTime ExecDate { get; }
+		public ServiceStatus Status { get; }
+		public List<Activity> Activities { get; }
+
+		public ServiceResponse(ServiceStatus status, List<Activity> activities)
+		{
+			ExecId = Guid.NewGuid();
+			ExecDate = DateTime.UtcNow;
+			Status = status;
+			Activities = activities;
+		}
+	}
+}
+
+
+// (c) Passlick Development 2020. All rights reserved.

src/PasslickDevelopment.LearnwebNotifier/LearnwebNotifier.Library/Domain/Communication/ServiceStatus.cs

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+namespace LearnwebNotifier.Library.Domain.Communication
+{
+	public enum ServiceStatus
+	{
+		Info = 1000,
+		InfoRequested = 1001,
+		OK = 2000,
+		NewActivities = 2001,
+		NoRecentActivities = 2002,
+		PushSent = 2003,
+		Valid = 2005,
+		Exists = 2006,
+		Warning = 3000,
+		WidgetNotFound = 3001,
+		Fail = 4000,
+		PushFailed = 4003,
+		NotFound = 4004,
+		Invalid = 4005,
+		Exception = 5000,
+		Unauthorized = 5001,
+		CriticalException = 6000,
+		UnhandledException = 7000
+	}
+}
+
+
+// (c) Passlick Development 2020. All rights reserved.

src/PasslickDevelopment.LearnwebNotifier/LearnwebNotifier.Library/Domain/Models/Activity.cs

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+using System;
+
+namespace LearnwebNotifier.Library.Domain.Models
+{
+	public class Activity
+	{
+		public DateTime? Date { get; }
+		public Course Course { get; }
+		public string Type { get; }
+		public string Name { get; }
+		public string Url { get; }
+
+		public Activity(DateTime? date, Course course, string type, string name, string url)
+		{
+			Date = date;
+			Course = course;
+			Type = type;
+			Name = name;
+			Url = url;
+		}
+	}
+}
+
+
+// (c) Passlick Development 2020. All rights reserved.

src/PasslickDevelopment.LearnwebNotifier/LearnwebNotifier.Library/Domain/Models/ConfigStruct.cs

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+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+
+namespace LearnwebNotifier.Library.Domain.Models
+{
+	public class ConfigStruct
+	{
+		[JsonPropertyName("service")]
+		public ServiceConfig Service { get; set; } = new ServiceConfig(5);
+		[JsonPropertyName("learnweb")]
+		public LearnwebConfig Learnweb { get; set; } = new LearnwebConfig("", "", new List<string> { "" });
+		[JsonPropertyName("pushover")]
+		public PushoverConfig Pushover { get; set; } = new PushoverConfig("", "");
+		[JsonPropertyName("sentry")]
+		public SentryConfig Sentry { get; set; } = new SentryConfig(false, "");
+
+		public ConfigStruct(LearnwebConfig learnweb, PushoverConfig pushover)
+		{
+			Learnweb = learnweb;
+			Pushover = pushover;
+		}
+		public ConfigStruct() { }
+
+
+		public class ServiceConfig
+		{
+			[JsonPropertyName("refresh")]
+			public uint Refresh { get; set; }
+
+			public ServiceConfig(uint refresh)
+			{
+				Refresh = refresh;
+			}
+			public ServiceConfig() { }
+		}
+
+		public class LearnwebConfig
+		{
+			[JsonPropertyName("user")]
+			public string Username { get; set; }
+			[JsonPropertyName("password")]
+			public string Password { get; set; }
+			[JsonPropertyName("courses")]
+			public List<string> Courses { get; set; }
+
+			public LearnwebConfig(string username, string password, List<string> courses)
+			{
+				Username = username;
+				Password = password;
+				Courses = courses;
+			}
+			public LearnwebConfig() { }
+		}
+
+		public class PushoverConfig
+		{
+			[JsonPropertyName("token")]
+			public string Token { get; set; }
+			[JsonPropertyName("recipient")]
+			public string Recipient { get; set; }
+
+			public PushoverConfig(string token, string recipient)
+			{
+				Token = token;
+				Recipient = recipient;
+			}
+			public PushoverConfig() { }
+		}
+
+		public class SentryConfig
+		{
+			[JsonPropertyName("activate")]
+			public bool Activate { get; set; }
+			[JsonPropertyName("dsn")]
+			public string Dsn { get; set; }
+
+			public SentryConfig(bool activate, string dsn)
+			{
+				Activate = activate;
+				Dsn = dsn;
+			}
+			public SentryConfig() { }
+		}
+
+	}
+}
+
+
+// (c) Passlick Development 2020. All rights reserved.

src/PasslickDevelopment.LearnwebNotifier/LearnwebNotifier.Library/Domain/Models/Course.cs

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+namespace LearnwebNotifier.Library.Domain.Models
+{
+	public class Course
+	{
+		public string Id { get; }
+		public string Name { get; set; }
+		public string Abbrev { get; set; }
+		public string Url { get; set; }
+
+		public Course(string id)
+		{
+			Id = id;
+			Name = "N/A";
+			Abbrev = "N/A";
+			Url = $"https://sso.uni-muenster.de/LearnWeb/learnweb2/course/view.php?id={Id}&lang=en";
+		}
+	}
+}
+
+
+// (c) Passlick Development 2020. All rights reserved.

src/PasslickDevelopment.LearnwebNotifier/LearnwebNotifier.Library/Domain/Services/IActivityService.cs

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+using LearnwebNotifier.Library.Domain.Communication;
+
+namespace LearnwebNotifier.Library.Domain.Services
+{
+	public interface IActivityService
+	{
+		public ServiceStatus Init();
+		public ServiceResponse FetchActivities(string courseId);
+		public ServiceStatus RefreshSession();
+		public void ClearCookies();
+		public void Dispose();
+	}
+}
+
+
+// (c) Passlick Development 2020. All rights reserved.

src/PasslickDevelopment.LearnwebNotifier/LearnwebNotifier.Library/Domain/Services/IClientService.cs

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+using LearnwebNotifier.Library.Domain.Communication;
+using System.Net.Http;
+
+namespace LearnwebNotifier.Library.Domain.Services
+{
+	public interface IClientService
+	{
+		public ServiceStatus Init();
+		public ServiceStatus Authorize();
+		public ServiceStatus RefreshSession();
+		public HttpClient GetClient();
+		public void ClearCookies();
+		public void Dispose();
+	}
+}
+
+
+// (c) Passlick Development 2020. All rights reserved.

src/PasslickDevelopment.LearnwebNotifier/LearnwebNotifier.Library/Domain/Services/IConfigService.cs

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+using LearnwebNotifier.Library.Domain.Communication;
+using LearnwebNotifier.Library.Domain.Models;
+
+namespace LearnwebNotifier.Library.Domain.Services
+{
+	public interface IConfigService
+	{
+		public ServiceStatus LoadConfig();
+		public ServiceStatus GenerateConfig(ConfigStruct config);
+		public ServiceStatus CheckConfigExistence();
+		public (ServiceStatus status, string value) GetLearnwebPassword();
+		public ServiceStatus ConfigAssistant();
+	}
+}
+
+
+// (c) Passlick Development 2020. All rights reserved.

src/PasslickDevelopment.LearnwebNotifier/LearnwebNotifier.Library/Domain/Services/ICrawlerService.cs

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+using LearnwebNotifier.Library.Domain.Communication;
+using LearnwebNotifier.Library.Domain.Models;
+using System.Collections.Generic;
+
+namespace LearnwebNotifier.Library.Domain.Services
+{
+	public interface ICrawlerService
+	{
+		public (ServiceStatus status, List<Activity> activities) ParseCourse(Course course);
+	}
+}
+
+
+// (c) Passlick Development 2020. All rights reserved.

src/PasslickDevelopment.LearnwebNotifier/LearnwebNotifier.Library/Helper/HelperFunctions.cs

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+using System;
+using System.Reflection;
+
+namespace LearnwebNotifier.Library.Helper
+{
+	public static class HelperFunctions
+	{
+
+		public static void ConsoleWrite(string text, ConsoleColor fgcolor = ConsoleColor.Gray, ConsoleColor bgcolor = ConsoleColor.Black)
+		{
+			Console.ForegroundColor = fgcolor;
+			Console.BackgroundColor = bgcolor;
+			Console.Write(text);
+			Console.ResetColor();
+		}
+
+
+		public static void ConsoleWriteLine(string text, ConsoleColor fgcolor = ConsoleColor.Gray, ConsoleColor bgcolor = ConsoleColor.Black)
+		{
+			Console.ForegroundColor = fgcolor;
+			Console.BackgroundColor = bgcolor;
+			Console.WriteLine(text);
+			Console.ResetColor();
+		}
+
+
+		public static string ReadPassword()
+		{
+			string password = string.Empty;
+			ConsoleKey key;
+			do
+			{
+				var keyInfo = Console.ReadKey(true);
+				key = keyInfo.Key;
+
+				if (key == ConsoleKey.Backspace && password.Length > 0)
+				{
+					Console.Write("\b \b");
+					password = password[0..^1];
+				}
+				else if (!char.IsControl(keyInfo.KeyChar))
+				{
+					Console.Write("∗");
+					password += keyInfo.KeyChar;
+				}
+			} while (key != ConsoleKey.Enter);
+			return password;
+		}
+
+
+		public static void PrintConsoleHeader()
+		{
+			Console.Clear();
+			Console.WriteLine("\n***************************************************************************\n");
+			Console.WriteLine($"  WWU Learnweb Notifier Service v{Assembly.GetEntryAssembly().GetName().Version}");
+			Console.WriteLine($"  (c) Passlick Development {DateTime.UtcNow.Year}. All rights reserved.");
+			Console.WriteLine("\n***************************************************************************\n");
+		}
+
+
+		// Hardcoded encryption key for weak string protection against easy plaintext read -- does not serve safety-critical purpose
+		private static readonly string encryptionKey = "d7z8jhL5uvPFbsMzyfobhwHdoEeovkUGlztcTVFrdp86NwItxK9VN6kvNDhaAtIo";
+
+		public static string EncryptString(string value) => SimpleAES.AES256.Encrypt(value, encryptionKey);
+		public static string DecryptString(string value) => SimpleAES.AES256.Decrypt(value, encryptionKey);
+
+	}
+}
+
+
+// (c) Passlick Development 2020. All rights reserved.

src/PasslickDevelopment.LearnwebNotifier/LearnwebNotifier.Library/LearnwebNotifier.Library.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <AssemblyName>lwnotif-lib</AssemblyName>
+    <OutputType>Library</OutputType>
+    <Authors>Passlick Development</Authors>
+    <Product>WWU Learnweb Notifier</Product>
+    <Copyright>Copyright © Passlick Development 2020. All rights reserved.</Copyright>
+    <NeutralLanguage>en-US</NeutralLanguage>
+    <ApplicationIcon>passlickdev.ico</ApplicationIcon>
+    <AssemblyVersion>1.3.0.0</AssemblyVersion>
+    <FileVersion>1.3.0.0</FileVersion>
+    <Version>1.3.0</Version>
+    <SignAssembly>false</SignAssembly>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
+    <Optimize>false</Optimize>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="HtmlAgilityPack" Version="1.11.24" />
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="3.1.7" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="3.1.7" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="3.1.7" />
+    <PackageReference Include="Sentry" Version="2.1.5" />
+    <PackageReference Include="Sentry.Extensions.Logging" Version="2.1.5" />
+    <PackageReference Include="SimpleAES" Version="1.1.1" />
+  </ItemGroup>
+
+</Project>