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Qabel Desktop Client

For the documentation take a look at the documentation.

Build Status

Quick Start (for developers)

preconditions

  • to build the java code, you need an OracleJDK 1.8 or higher
  • to build the libcurve from the Qabel Core Project (lib called with JNI) you need a C-Compiler (apt-get install build-essential for ubuntu)
  • when cloning this repository, make sure to get the submodules by cloning recursive or running gut submodule update --init --recursive afterwards

server test-instances

  • the submodules include two required servers: Qabel Drop Server and Qabel Accounting Server to work. They will be started automatically for you (start-server.sh) but have some additional requirements like postgresql:
  • install postgresql-server (apt-get install postgresql for ubuntu)
  • connect to your postgresql server using a proper client (like psql)
  • to create the database, the user and give access permissions, run
    • CREATE DATABASE 'qabel_drop'
    • CREATE USER qabel WITH PASSWORD 'qabel_test'
    • GRANT ALL PRIVILEGES ON DATABASE qabel_drop TO qabel
  • for python integration with postgresql, you will need the postgresql-devel libs (apt-get install libpq-dev for ubuntu)
  • to connect with an S3 instance, set up an aws config as described here

first local build

  • then, you try out the whole build by running the build.sh. It will
  • start both the drop-server and the accounting-server with the script start-servers.sh
    • which installs the servers python dependencies in two virtualenvs and starts both servers
  • run the gradle-based build with ./gradlew build
  • stop the started servers with the stop-servers.sh

build targets

./gradlew accepts different targets. The (probably) most important ones are:

  • test: run the unit tests (Tests that don't start a GUI)
  • testGui: run the gui tests (Tests tat start a real GUI and use mouse actions to test it)
  • jar: create a JAR with the compile qabel-desktop code but no dependencies
  • fatJar: create a JAR containing all java dependencies
  • distZip: create a zip file containing all dependencies (like libcurve) and start-scripts
  • run: start the desktop-client

running Qabel Desktop (on Mac OS)

A simple ./gradlew run does not work. Use ./gradlew distZip instead, unzip it and copy the curve library file (e.g. qabel-core/build/binaries/curve25519SharedLibrary/osx_amd64/libcurve25519.dylib) into the libs folder of the unzipped dist file prior to running the application.

CI

Because of the gui tests, you can't run all tests headless, so at least a virtual x environment like xvfb is required. You should be save with a resolution of at least 1000*1000px.

Development-Infos

  • the configuration is stored in an encrypted sqlite file named db.sqlite
  • Because JavaFX with FXML uses magic injections anyways, the Contollers for all JavaFX-Views get their properties by magic javax.inject implemented by Afterburner.FX

box sync architecture

+---------------------------+      +----------------------------------+
|  local fs notifications   |      |  remote fs notifications (poll)  |
+-------------------------+-+      +-+--------------------------------+
                          |          |
                          v  update  v

                          +----------+
                          |  Syncer  |
              +---------- +----------+ <------------+
 up-/download | schedules                    checks |
              v                                     v

+------------------------+   update   +-------------------------------+
|      LoadManager       | ---------> |           SyncIndex           |
+------------------------+            +-------------------------------+

One syncer is started per BoxSyncConfig. Both, the local and the remote filesystem send notifications of changed files to the syncer. Remotely, a poller let's the BoxNavigations update itself every few seconds and they will notify the syncer if a change happened. The syncer checks it's SyncIndex for information about the changed file (to prevent event loops, like a download triggering a local fs event). If everything is fine, the Syncer schedules a transaction (up- or download) at the central LoadManager that executes these transactions synchronously. Once finished, the LoadManager updates the SyncIndex (per callback) to store the current state of synchronization. The SyncIndex is persisted on change to allow detection of events that occured during a clients offline period.

Installer

The installer dir includes two scripts to create an installer for Windows:

  1. launch4j.xml which can be used with launch4j to create the desktopLaunch4j.exe (launcher)
  2. config.iss which can be used with Inno Setup to create the QabelSetup.exe (setup)

To do so, you need to prepare the following directory structure:

installer
├───dist        (extracted content from `build/distributions/*.zip` after `gradlew distZip`
│   ├───bin
│   └───lib
├───jre         (jre folder, >= Java8u67)
│   ├───bin
│   └───lib
└───launch4j    (extracted launch4j windows zip distribution)
     ├───bin
     ├───...

And you need to install Inno Setup 5. Then you can do the following steps to create your setup:

  • java -jar launch4j/launch4j.jar launch4j.xml to create the launcher
  • ISCC config.iss to create the setup containing the launcher, the jre and the Qabel distribution

If you haven't configured your PATH to include ISCC, you need to use the full path to the ISCC.exe. For example: "C:\Program Files (x86)\Inno Setup 5\ISCC.exe" config.iss

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Desktop Frontend of Qabel

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