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commit initial version of PieCannon library and desktop app.

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Documentation is sparse right now, I'm working on getting the desktop and android apps working first.
This commit is contained in:
Adrian Kuschelyagi Malacoda 2020-10-22 04:01:33 -05:00
parent 8790054c64
commit 569e174b78
12 changed files with 396 additions and 0 deletions
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.gitignore vendored Normal file
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target

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README.md
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# Project Pie Cannon
Pie Cannon is an easy way to upload files to the internet and get a shareable link. File goes in, link comes out.
It doesn't come with a backend because you're expected to bring your own. A plain old FTP/SFTP+HTTP server will work fine, but support for more backends is on the way.
This project is separated into a library and a desktop application (targeting mainly GNU/Linux), with an Android application in the works.
## How to use
TODO

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desktop/piecannon Executable file
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#!/bin/sh
RESULT=$(mvn -B exec:java -Dexec.mainClass=net.monarchpass.piecannon.App -Dexec.arguments=$1 -Dorg.slf4j.simpleLogger.defaultLogLevel=WARN | tail -n 1)
xdg-open $RESULT

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desktop/pom.xml Normal file
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<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>net.monarchpass</groupId>
<artifactId>piecannon-desktop-app</artifactId>
<version>0.0.1-SNAPSHOT</version>
<properties>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
</properties>
<dependencies>
<dependency>
<groupId>net.monarchpass</groupId>
<artifactId>libpiecannon</artifactId>
<version>0.0.1-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>30.0-jre</version>
</dependency>
<dependency>
<groupId>net.kothar</groupId>
<artifactId>xdg-java</artifactId>
<version>0.1.1</version>
</dependency>
<dependency>
<groupId>com.google.code.gson</groupId>
<artifactId>gson</artifactId>
<version>2.8.6</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.16</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter</artifactId>
<version>5.7.0</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.google.truth</groupId>
<artifactId>truth</artifactId>
<version>1.1</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
</plugin>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.22.2</version>
</plugin>
</plugins>
</build>
</project>

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desktop/src/main/java/net/monarchpass/piecannon/App.java Normal file
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package net.monarchpass.piecannon;
import java.net.URI;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.util.Collections;
import java.util.Random;
import java.util.List;
import java.util.ArrayList;
import java.util.stream.Collectors;
import org.freedesktop.BaseDirectory;
import com.google.common.collect.Streams;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import lombok.extern.java.Log;
import java.util.logging.Level;
@Log
public class App {
public static void main (final String... args) throws Exception {
final File serversJson = getServersJson();
final List<Server> servers = loadServersFrom(serversJson);
log.log(Level.INFO, "{0} servers loaded from {1}", new Object[] {
servers.size(), serversJson
});
if (servers.isEmpty()) {
log.log(Level.SEVERE, "No servers defined, please define at least one in {0}", serversJson);
System.exit(1);
}
final Server server = servers.get(new Random().nextInt(servers.size()));
log.log(Level.INFO, "Randomly selected server: {0}", server.getLabel());
if (args.length == 0) {
log.log(Level.SEVERE, "No filename provided");
System.exit(1);
}
final File source = new File(args[0]);
if (!source.exists()) {
log.log(Level.SEVERE, "No such file: {0}", source);
System.exit(1);
}
final URI result = server.upload(source);
System.out.println(result);
}
public static List<Server> loadServersFrom (final File serversJson) throws IOException {
if (!serversJson.exists()) {
return Collections.EMPTY_LIST;
}
final ServerFactory factory = new ServerFactory();
try (final InputStream in = new FileInputStream(serversJson)) {
final JsonParser parser = new JsonParser();
return Streams.stream(parser.parse(new InputStreamReader(in)).getAsJsonArray())
.filter(JsonElement::isJsonObject)
.map(JsonObject.class::cast)
.map(factory)
.collect(Collectors.toList());
}
}
public static File getServersJson () {
return new File(getDataDirectory(), "servers.json");
}
public static File getDataDirectory () {
return new File(BaseDirectory.get(BaseDirectory.XDG_DATA_HOME), "piecannon");
}
}

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desktop/src/main/java/net/monarchpass/piecannon/ServerFactory.java Normal file
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package net.monarchpass.piecannon;
import java.net.URI;
import java.util.function.Function;
import com.google.gson.JsonObject;
import net.monarchpass.piecannon.impl.SftpServer;
import com.google.common.base.MoreObjects;
public class ServerFactory implements Function<JsonObject, Server> {
public Server apply (final JsonObject object) {
return makeSftpServer(object);
}
private Server makeSftpServer (final JsonObject object) {
final String host = object.getAsJsonPrimitive("host").getAsString();
final String label = object.has("label") ? object.getAsJsonPrimitive("label").getAsString() : host;
final int port = object.has("port") ? object.getAsJsonPrimitive("port").getAsInt() : 22;
final String username = object.getAsJsonPrimitive("username").getAsString();
final String password = object.getAsJsonPrimitive("password").getAsString();
final String path = object.getAsJsonPrimitive("path").getAsString();
final String url = object.getAsJsonPrimitive("url").getAsString();
return new SftpServer(
label, host, port, username, password,
path, URI.create(url)
);
}
}

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desktop/src/test/java/net/monarchpass/piecannon/AppTest.java Normal file
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package net.monarchpass.piecannon;
import org.junit.jupiter.api.Test;
import static com.google.common.truth.Truth.assertThat;
public class AppTest {
@Test
public void test () throws Exception {}
}

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<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>net.monarchpass</groupId>
<artifactId>libpiecannon</artifactId>
<version>0.0.1-SNAPSHOT</version>
<properties>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
</properties>
<dependencies>
<dependency>
<groupId>com.github.mwiede</groupId>
<artifactId>jsch</artifactId>
<version>0.1.60</version>
</dependency>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>30.0-android</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.16</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter</artifactId>
<version>5.7.0</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.google.truth</groupId>
<artifactId>truth</artifactId>
<version>1.1</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
</plugin>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.22.2</version>
</plugin>
</plugins>
</build>
</project>

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lib/src/main/java/net/monarchpass/piecannon/PieCannon.java Normal file
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package net.monarchpass.piecannon;
import java.net.URI;
import java.io.InputStream;
import java.io.IOException;
import java.util.List;
import java.util.ArrayList;
import java.util.Collections;
import com.google.common.base.Charsets;
import com.google.common.io.CharSource;
import com.google.common.io.ByteStreams;
public class PieCannon {
private final List<Server> servers = new ArrayList<>();
public void addServer (final Server server) {
servers.add(server);
}
public List<Server> getServers () {
return Collections.unmodifiableList(servers);
}
public static boolean testServer (final Server server) {
final String testString = "piecannon-test-" + System.currentTimeMillis();
final URI result = server.upload("piecannon.test", CharSource.wrap(testString).asByteSource(Charsets.UTF_8));
try (final InputStream in = result.toURL().openStream()) {
return new String(ByteStreams.toByteArray(in), Charsets.UTF_8).equals(testString);
} catch (final IOException exception) {
exception.printStackTrace();
}
return false;
}
}

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lib/src/main/java/net/monarchpass/piecannon/Server.java Normal file
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package net.monarchpass.piecannon;
import java.io.File;
import java.net.URI;
import com.google.common.io.Files;
import com.google.common.io.ByteSource;
public interface Server {
public String getLabel ();
public URI upload (String name, ByteSource source);
public default URI upload (File file) {return upload(file.getName(), Files.asByteSource(file));}
}

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lib/src/main/java/net/monarchpass/piecannon/impl/SftpServer.java Normal file
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package net.monarchpass.piecannon.impl;
import net.monarchpass.piecannon.Server;
import com.google.common.io.ByteSource;
import java.io.InputStream;
import java.io.IOException;
import java.net.URI;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.Session;
import com.jcraft.jsch.Channel;
import com.jcraft.jsch.ChannelSftp;
import com.jcraft.jsch.JSchException;
import com.jcraft.jsch.SftpException;
import lombok.Data;
@Data
public class SftpServer implements Server {
private final String label;
private final String host;
private final int port;
private final String username;
private final String password;
private final String path;
private final URI uri;
public URI upload (String name, ByteSource source) {
try {
final JSch jsch = new JSch();
final Session session = jsch.getSession(username, host, port);
session.setPassword(password);
session.setConfig("StrictHostKeyChecking", "no");
session.connect();
final Channel channel = session.openChannel("sftp");
channel.connect();
final ChannelSftp sftp = (ChannelSftp) channel;
sftp.cd(path);
try (InputStream in = source.openStream()) {
sftp.put(in, name);
}
session.disconnect();
return URI.create(uri.toString() + "/" + name);
} catch (final JSchException | IOException | SftpException exception) {
throw new RuntimeException(exception);
}
}
}

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lib/src/test/java/net/monarchpass/piecannon/SftpTest.java Normal file
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package net.monarchpass.piecannon;
import java.net.URI;
import org.junit.jupiter.api.Test;
import net.monarchpass.piecannon.impl.SftpServer;
import static com.google.common.truth.Truth.assertThat;
public class SftpTest {
@Test
public void test () throws Exception {
final String testServerHost = System.getProperty("piecannon.test.host");
if (testServerHost == null) {
return;
}
final String testServerUser = System.getProperty("piecannon.test.user");
final String testServerPassword = System.getProperty("piecannon.test.password");
final String testServerPath = System.getProperty("piecannon.test.path");
final String testServerURL = System.getProperty("piecannon.test.url");
final Server server = new SftpServer(
"Test Server Instance", testServerHost, 22,
testServerUser, testServerPassword, testServerPath,
URI.create(testServerURL)
);
assertThat(PieCannon.testServer(server)).isTrue();
}
}