Initial commit

.gitignore

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+/src/main/java/xyz/thastertyn/Jecna/Credentials.java
+/target/classes/xyz/thastertyn/Jecna/Credentials.class

.vscode/settings.json

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+{
+	"java.configuration.updateBuildConfiguration": "interactive"
+}

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>xyz.thastertyn</groupId>
+  <artifactId>jecnak-tui</artifactId>
+  <version>1.0-SNAPSHOT</version>
+
+  <name>jecnak-tui</name>
+  <!-- FIXME change it to the project's website -->
+  <url>http://www.example.com</url>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <maven.compiler.source>1.7</maven.compiler.source>
+    <maven.compiler.target>1.7</maven.compiler.target>
+  </properties>
+
+  <dependencies>
+
+    <dependency>
+      <groupId>org.jsoup</groupId>
+      <artifactId>jsoup</artifactId>
+      <version>1.15.3</version>
+    </dependency>
+
+
+    <dependency>
+      <groupId>com.google.code.gson</groupId>
+      <artifactId>gson</artifactId>
+      <version>2.10.1</version>
+    </dependency>
+
+
+    <dependency>
+      <groupId>com.googlecode.lanterna</groupId>
+      <artifactId>lanterna</artifactId>
+      <version>3.2.0-alpha1</version>
+    </dependency>
+
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>4.11</version>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
+      <plugins>
+        <!-- clean lifecycle, see https://maven.apache.org/ref/current/maven-core/lifecycles.html#clean_Lifecycle -->
+        <plugin>
+          <artifactId>maven-clean-plugin</artifactId>
+          <version>3.1.0</version>
+        </plugin>
+        <!-- default lifecycle, jar packaging: see https://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_jar_packaging -->
+        <plugin>
+          <artifactId>maven-resources-plugin</artifactId>
+          <version>3.0.2</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-compiler-plugin</artifactId>
+          <version>3.8.0</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-surefire-plugin</artifactId>
+          <version>2.22.1</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-jar-plugin</artifactId>
+          <version>3.0.2</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-install-plugin</artifactId>
+          <version>2.5.2</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-deploy-plugin</artifactId>
+          <version>2.8.2</version>
+        </plugin>
+        <!-- site lifecycle, see https://maven.apache.org/ref/current/maven-core/lifecycles.html#site_Lifecycle -->
+        <plugin>
+          <artifactId>maven-site-plugin</artifactId>
+          <version>3.7.1</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-project-info-reports-plugin</artifactId>
+          <version>3.0.0</version>
+        </plugin>
+      </plugins>
+    </pluginManagement>
+  </build>
+</project>

src/main/java/xyz/thastertyn/App.java

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+package xyz.thastertyn;
+
+import xyz.thastertyn.Jecna.*;
+import xyz.thastertyn.Window.MainWindow;
+
+/**
+ * Hello world!
+ *
+ */
+public class App {
+    public static void main(String[] args) {
+        //System.out.println("Hello World!");
+
+        //Login l = new Login();
+        //l.login(Credentials.user, Credentials.pass);
+        
+        MainWindow window = new MainWindow();
+        window.run();
+
+
+       /* 
+        try {
+
+            
+            
+            //#region Jidelna
+
+            //#region JSESSIONID
+            Connection.Response jidelna = Jsoup.connect("https://objednavky.jidelnasokolska.cz/")
+            .header("Connection", "keep-alive")
+            .method(Method.HEAD)
+            .execute();
+
+            String jidelnaJSESSIONID = jidelna.cookie("JSESSIONID");
+            String XSRF_TOKEN = jidelna.cookie("XSRF-TOKEN");
+            //#endregion
+
+            //#region CSRF
+            String csrf = Jsoup.connect("https://objednavky.jidelnasokolska.cz/faces/login.jsp")
+            .header("Connection", "keep-alive")
+            .cookie("XSRF-TOKEN", XSRF_TOKEN)
+            .cookie("JSESSIONID", jidelnaJSESSIONID)
+            .get()
+            .select("input[name=_csrf]")
+            .attr("value");
+
+
+            if(!XSRF_TOKEN.equals(csrf))
+            {
+                throw new SecurityException("CSRF tokens do not match, something is up");
+            }
+            //#endregion
+
+            //#region Login
+            Connection.Response jidelnaLogin = Jsoup.connect("https://objednavky.jidelnasokolska.cz/j_spring_security_check")
+            .header("Connection", "keep-alive")
+            .header("Content-Type", "application/x-www-form-urlencoded")
+            .cookie("XSRF-TOKEN", XSRF_TOKEN)
+            .cookie("JSESSIONID", jidelnaJSESSIONID)
+            .data("j_username", Credentials.user)
+            .data("j_password", Credentials.pass)
+            .data("terminal", "false")
+            .data("type", "web")
+            .data("_csrf", XSRF_TOKEN)
+            .data("targetUrl", "/faces/secured/main.jsp?terminal=false&status=true&printer=false&keyboard=false")
+            .method(Method.POST)
+            .execute();
+            //#endregion
+
+            Document obedy = Jsoup.connect("https://objednavky.jidelnasokolska.cz/faces/secured/month.jsp?terminal=false&keyboard=&printer=")
+            .header("Connection", "keep-alive")
+            .cookie("XSRF-TOKEN", XSRF_TOKEN)
+            .cookie("JSESSIONID", jidelnaJSESSIONID)
+            .get();
+
+            System.out.println(obedy.toString());
+
+            //#endregion
+
+        } catch (IOException e) {
+            // TODO Auto-generated catch block
+            e.printStackTrace();
+        } catch (SecurityException e)
+        {
+            e.printStackTrace();
+        }*/
+    }
+}

src/main/java/xyz/thastertyn/Connection.java

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+package xyz.thastertyn;
+
+import org.jsoup.Jsoup;
+
+public class Connection {
+	
+	private static final org.jsoup.Connection CONNECTION = Jsoup.connect("")
+	.header("Connection", "keep-alive")
+	.cookie("role", "student");
+
+	public static org.jsoup.Connection getConnection()
+	{
+		return CONNECTION;
+	}
+}

src/main/java/xyz/thastertyn/Download.java

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+package xyz.thastertyn;
+
+public class Download {
+	
+}

src/main/java/xyz/thastertyn/Jecna/Dochazka.java

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+package xyz.thastertyn.Jecna;
+
+import java.io.IOException;
+import java.util.HashMap;
+
+import org.jsoup.nodes.Document;
+
+import xyz.thastertyn.Connection;
+import xyz.thastertyn.Tuple.Pair;
+
+public class Dochazka {
+	
+	private HashMap<String, Pair<String, String>> absence = new HashMap<>();
+
+	public byte downloadAbsence(String JSESSIOND)
+	{
+		Document absenceDoc;
+
+		try {
+			// absence-list
+			absenceDoc = Connection.getConnection()
+			.cookie("JSESSIOND", JSESSIOND)
+			.url("https://www.spsejecna.cz" + "/absence/passing-student")
+			.get();
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+
+		return 0;
+	}
+}

src/main/java/xyz/thastertyn/Jecna/Downloader.java

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+package xyz.thastertyn.Jecna;
+
+import org.jsoup.Connection;
+import org.jsoup.Jsoup;
+
+public class Downloader {
+
+	public static Connection download(String url, String Jsessionid)
+	{
+		return Jsoup.connect(url)
+		.header("Connection", "keep-alive")
+		.cookie("role", "student")
+		.cookie("JSESSIONID", Jsessionid);
+	}
+}

src/main/java/xyz/thastertyn/Jecna/Login.java

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+package xyz.thastertyn.Jecna;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.UnknownHostException;
+
+import org.jsoup.Connection;
+import org.jsoup.Jsoup;
+import org.jsoup.Connection.Method;
+
+public class Login {
+
+	private String Jsessionid = null;
+
+	// Check for session expiration
+	private long start;
+	private long lastCheck;
+
+	/**
+	 * Zkontroluje zda jiz neexistuji ulozene udaje na systemu
+	 * @return <ul>
+	 * <li> {@code true} soubor existuje a neni prazdny </li>
+	 * <li> {@code false} neexistuje, nebo jsou prazdne </li>
+	 * </ul>
+	 */
+	public boolean getCredentials()
+	{
+		File credentials = null;
+
+		if(System.getProperty("os.name").equals("Linux"))
+		{
+			credentials = new File("~/.local/share/jecnak/credentials.json");
+
+		}else if(System.getProperty("os.name").contains("Windows"))
+		{
+			credentials = new File(System.getenv("APPDATA\\jecnak\\"));
+		}
+
+		if(!credentials.exists() || credentials.length() == 0) 
+		{
+			return false;
+		}
+		return true;
+	}
+
+	public String getJSESSIONID()
+	{
+		return Jsessionid;
+	}
+
+	public byte login(String user, String pass)
+	{
+		try {
+			//#region JSESSIONID
+			Connection.Response response = Jsoup.connect("https://www.spsejecna.cz")
+			.header("Connection", "keep-alive")
+			.method(Method.HEAD)
+			.execute();
+
+			Jsessionid = response.cookie("JSESSIONID");
+			//#endregion
+
+			//#region Token3
+			String token3 = Jsoup.connect("https://www.spsejecna.cz/user/role?role=student")
+			.header("Connection", "keep-alive")
+			.cookie("JSESSIONID", Jsessionid)
+			.get()
+			.select("input[name=token3]")
+			.attr("value");
+			//#endregion
+
+			//#region Login
+			Connection.Response login = Jsoup.connect("https://www.spsejecna.cz/user/login")
+			.method(Connection.Method.POST)
+			.header("Content-Type", "application/x-www-form-urlencoded")
+			//.header("Content-Length", "71") Adds 10 seconds to total request time
+			.header("Origin", "https://www.spsejecna.cz")
+			.header("Connection", "keep-alive")
+			.cookie("JSESSIONID", Jsessionid)
+			.cookie("role", "student")
+			.data("token3", token3)
+			.data("user", user)
+			.data("pass", pass)
+			.data("submit", "P%C5%99ihl%C3%A1sit+se")
+			.followRedirects(true)
+			.execute();
+			//#endregion
+
+			start = System.currentTimeMillis() / 1000L;
+			lastCheck = start;
+
+			return 0;
+		} catch(UnknownHostException e)
+		{
+			// Not connected to internet
+			return 127;
+		} catch(IOException e)
+		{
+			return 126;
+		}
+	}
+}

src/main/java/xyz/thastertyn/Jecna/Rozvrh.java

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+package xyz.thastertyn.Jecna;
+
+import java.io.IOException;
+import java.net.UnknownHostException;
+import java.util.HashSet;
+
+import org.jsoup.nodes.Document;
+import org.jsoup.select.Elements;
+
+/**
+ * Jeden radek v rozvrhu
+ */
+public class Rozvrh {
+	
+	private String[][] rozvrh = new String[5][10];
+	int pos = 0;
+
+
+	public void setPredmet(String pr, int d, int i)
+	{
+		rozvrh[d][i] = pr;
+	}
+
+	public String[][] getRozvrh()
+	{
+		return rozvrh;
+	}
+
+	@Override
+	public String toString()
+	{
+		String s = "";
+		for(String[] st : rozvrh)
+		{
+			s += ("| ");
+			for(String str : st)
+			{
+				s += String.format("%-5s", str) + " | ";
+			}
+			s += "\n";
+		}
+
+		return s;
+	}
+
+	/**
+	 * Stahne rozvrh z www.spsejecna.cz a dale ho zpracuje do formy
+	 * se kterou da pracovat
+	 * @param Jsessionid ze stranek
+	 * @return Status code
+	 * <newline>
+	 * <ul>
+	 * <li> 0 - Operace probehla bez problemu</li>
+	 * </ul>
+	 * @throws UnknownHostException kdyz neni pripojeni k internetu
+	 * @throws IOException ostatni exceptiony nejsou dulezite, tak jsou zahrnuty v jednom
+	 */
+	public void downloadRozvrh(final String Jsessionid) throws UnknownHostException, IOException
+	{
+		Document rozvrhDoc = Downloader.download("https://www.spsejecna.cz" + "/timetable/class", Jsessionid).get();
+
+		Elements rozvrhTable = rozvrhDoc.select("table.timetable").select("tr");
+		Elements[] rozvrhDny = new Elements[rozvrhTable.size()];
+
+		for(int i = 0; i < rozvrhTable.size(); i++)
+		{
+			rozvrhDny[i] =  rozvrhTable.get(i).children();
+		}
+
+		for(int i = 1; i < 6; i++)
+		{
+			for(int j = 1; j < 11; j++)
+			{
+				String predmet = rozvrhDny[i].get(j).select("span.subject").text().replaceAll(" ", "/");
+
+				// Predmety jako CEL jsou trikrat, staci ale jen jednou
+				// V hashsetu se neopakuji prvky
+				HashSet<String> set = new HashSet<>();
+				String[] split = predmet.split("/");
+
+				for(String s : split)
+				{
+					set.add(s);
+				}
+
+				String pr = "";
+
+				if(set.size() > 1)
+				{
+					for(String s : set)
+					{
+						pr += s + "/";
+					}
+					pr = pr.substring(0, pr.length() - 1);
+				}else{
+					for(String s : set) { pr = s; break; }
+				}
+				
+				rozvrh[i-1][j-1] = pr;
+			}
+		}
+	}
+}

src/main/java/xyz/thastertyn/Jecna/Znamky.java

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+package xyz.thastertyn.Jecna;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.jsoup.nodes.Document;
+import org.jsoup.nodes.Element;
+import org.jsoup.select.Elements;
+
+import xyz.thastertyn.Tuple.Pair;
+
+public class Znamky {
+
+	private boolean wasDownloaded;
+
+	// key (String) reprezentuje predmet, value (arraylist) znamky a pair znamku s jeji vahou
+	private HashMap<String, ArrayList<Pair<Integer, Double>>> grades = new HashMap<>();
+
+	public void addGrade(String subject, int grade, double weight)
+	{
+		grades.get(subject).add(new Pair<Integer,Double>(grade, weight));
+	}
+
+	public void addSubject(String subject)
+	{
+		grades.put(subject, new ArrayList<Pair<Integer, Double>>());
+	}
+
+	private double getAverage(ArrayList<Pair<Integer, Double>> a)
+	{
+		try{
+			int divident = 0;
+			int divisor = 0;
+			for(Pair<Integer, Double> p : a)
+			{
+				divident += p.getValue0() * p.getValue1();
+				divisor += p.getValue1();
+			}
+
+			return (double) divident / divisor;
+
+		}catch(ArithmeticException e)
+		{
+			return 0;
+		}
+	}
+
+	public byte downloadZnamky(final String Jsessionid)
+	{
+		wasDownloaded = true;
+		Document znamkyDoc = null;
+
+		try {
+			znamkyDoc = Downloader.download("https://www.spsejecna.cz" + "/score/student", Jsessionid).get();
+		} catch (IOException e) {
+			e.printStackTrace();
+			return 127;
+		}
+		
+		Elements rows = znamkyDoc.select("table.score").select("tr");
+
+		Elements[] rows_split = new Elements[rows.size()];
+
+		for (int i = 0; i < rows.size(); i++)
+		{
+			rows_split[i] = rows.get(i).children();
+		}
+
+		for(int i = 1; i < rows_split.length; i++)
+		{
+			String predmet = rows_split[i].get(0).text();
+			addSubject(predmet);
+			
+			for(Element e : rows_split[i].get(1).select("a.score"))
+			{
+				int znamka = Integer.parseInt(e.select("span.value").text());
+
+				// Mala znamka se bude pocitat jako polovicni vaha
+				if(e.hasClass("scoreSmall"))
+				{
+					addGrade(predmet, znamka, 0.5);
+				}else{
+					addGrade(predmet, znamka, 1);
+				}
+			}
+		}
+		return 0;
+	}
+
+	@Override
+	public String toString()
+	{
+		if(wasDownloaded)
+		{
+			String s = "";
+	
+			for(Map.Entry<String, ArrayList<Pair<Integer, Double>>> entry : grades.entrySet())
+			{
+				double prumer = getAverage(entry.getValue());
+				double p = (double) Math.round(prumer * 100) / 100;
+				s += entry.getKey() + " | " + entry.getValue().toString() + " { " + p + " }\n";
+			}
+			return s;
+		}else{
+			return "Nothing was downloaded";
+		}
+
+	}
+}

src/main/java/xyz/thastertyn/Predmet.java

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+package xyz.thastertyn;
+
+import java.util.ArrayList;
+
+public class Predmet {
+
+
+}

src/main/java/xyz/thastertyn/RozvrhDownload.java

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+package xyz.thastertyn;
+
+public class RozvrhDownload {
+	
+}

src/main/java/xyz/thastertyn/Tuple/Pair.java

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+package xyz.thastertyn.Tuple;
+
+/**
+ * Ekvitalent Tuplu, ktery neni zabudovan v jave
+ */
+public class Pair<T1, T2> {
+	
+	private T1 value0;
+	private T2 value1;
+
+	public Pair(T1 value0, T2 value1)
+	{
+		this.value0 = value0;
+		this.value1 = value1;
+	}
+	
+	public Pair()
+	{
+
+	}
+
+	public void put(T1 value0, T2 value1)
+	{
+		this.value0 = value0;
+		this.value1 = value1;
+	}
+
+	public T1 getValue0()
+	{
+		return value0;
+	}
+
+	public T2 getValue1()
+	{
+		return value1;
+	}
+
+	public void setValue0(T1 value0)
+	{
+		this.value0 = value0;
+	}
+
+	public void setValue1(T2 value1)
+	{
+		this.value1 = value1;
+	}
+
+	@Override
+	public String toString()
+	{
+		return "[" + value0 + ", " + value1 + "]";
+	}
+}

src/main/java/xyz/thastertyn/Window/MainWindow.java

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+package xyz.thastertyn.Window;
+
+import java.io.IOException;
+import java.util.Arrays;
+
+import com.googlecode.lanterna.TextColor;
+import com.googlecode.lanterna.gui2.BasicWindow;
+import com.googlecode.lanterna.gui2.DefaultWindowManager;
+import com.googlecode.lanterna.gui2.Direction;
+import com.googlecode.lanterna.gui2.EmptySpace;
+import com.googlecode.lanterna.gui2.LinearLayout;
+import com.googlecode.lanterna.gui2.MultiWindowTextGUI;
+import com.googlecode.lanterna.gui2.Panel;
+import com.googlecode.lanterna.gui2.Separator;
+import com.googlecode.lanterna.gui2.Window;
+import com.googlecode.lanterna.screen.Screen;
+import com.googlecode.lanterna.screen.TerminalScreen;
+import com.googlecode.lanterna.terminal.DefaultTerminalFactory;
+import com.googlecode.lanterna.terminal.Terminal;
+
+import xyz.thastertyn.Jecna.Credentials;
+import xyz.thastertyn.Jecna.Login;
+
+public class MainWindow {
+	
+	Login l = new Login();
+
+	public void run()
+	{
+		Terminal terminal = null;
+		try {
+			// Setup terminal and screen layers
+			terminal = new DefaultTerminalFactory().createTerminal();
+
+			Screen screen = new TerminalScreen(terminal);
+			screen.startScreen();
+			
+			// Create panel to hold components
+			final Panel mainPanel = new Panel();
+			mainPanel.setLayoutManager(new LinearLayout(Direction.HORIZONTAL));
+			
+			// Create window to hold the panel
+			BasicWindow window = new BasicWindow();
+			window.setComponent(mainPanel);
+			window.setHints(Arrays.asList(Window.Hint.CENTERED));
+		
+			mainPanel.addComponent(new Separator(Direction.VERTICAL).setLayoutData(LinearLayout.createLayoutData(LinearLayout.Alignment.Fill)));
+			
+			final Panel content = new Panel();
+			mainPanel.addComponent(content);
+
+			Login l = new Login();
+			l.login(Credentials.user, Credentials.pass);
+			Rozvrh r = new Rozvrh();
+			r.download(l.getJSESSIONID());
+		
+			content.addComponent(r.getPanel());
+			
+			// Create gui and start gui
+			final MultiWindowTextGUI gui = new MultiWindowTextGUI(screen, new DefaultWindowManager(), new EmptySpace(TextColor.ANSI.BLACK_BRIGHT));
+			
+			/*KeyStroke k = terminal.readInput();
+			if(k.equals(KeyStroke.fromString("<up>")))
+			{
+				window.close();
+			}*/
+			gui.addWindowAndWait(window);
+
+
+			} catch (IOException e) {
+				e.printStackTrace();
+			}
+	}
+}

src/main/java/xyz/thastertyn/Window/Rozvrh.java

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+package xyz.thastertyn.Window;
+
+import java.io.IOException;
+import java.net.UnknownHostException;
+import java.util.List;
+
+import com.googlecode.lanterna.TerminalSize;
+import com.googlecode.lanterna.TextColor;
+import com.googlecode.lanterna.graphics.SimpleTheme;
+import com.googlecode.lanterna.gui2.Direction;
+import com.googlecode.lanterna.gui2.Panel;
+import com.googlecode.lanterna.gui2.Separator;
+import com.googlecode.lanterna.gui2.TextGUIGraphics;
+import com.googlecode.lanterna.gui2.table.Table;
+import com.googlecode.lanterna.gui2.table.TableCellRenderer;
+
+public class Rozvrh {
+	
+	private Panel rozvrhPanel = new Panel();
+
+	private xyz.thastertyn.Jecna.Rozvrh rozvrh = new xyz.thastertyn.Jecna.Rozvrh();
+
+	private String[] labels = {"Den", "7:30-8:15", "8:25-9:10", "9:20-10:05", "10:20-11:05", "11:15-12:00", "12:10-12:55", "13:05-13:50", "14:00-14:45", "14:55-15:40", "15:50-16:35"};
+
+	String[] days = {"PO", "UT", "ST", "CT", "PA"};
+	
+	Table<String> t = new Table<>(labels);
+
+	public byte download(String Jsessionid)
+	{
+		try 
+		{
+			rozvrh.downloadRozvrh(Jsessionid);
+
+			String[][] r = rozvrh.getRozvrh();
+
+			String[] s = new String[labels.length];
+
+			for(int i = 0; i < r.length; i++)
+			{
+				s[0] = days[i];
+				for(int j = 1; j < r[i].length; j++) { s[j] = r[i][j]; }
+
+				t.getTableModel().addRow(s);
+			}
+			t.addTo(rozvrhPanel);
+
+			return 0;
+		}catch(UnknownHostException e)
+		{
+			return 127;
+		}catch(IOException e)
+		{
+			return 126;
+		}
+	}
+
+	public Panel getPanel()
+	{
+		return rozvrhPanel;
+	}
+}

src/test/java/xyz/thastertyn/AppTest.java

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+package xyz.thastertyn;
+
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+
+/**
+ * Unit test for simple App.
+ */
+public class AppTest 
+{
+    /**
+     * Rigorous Test :-)
+     */
+    @Test
+    public void shouldAnswerWithTrue()
+    {
+        assertTrue( true );
+    }
+}