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Development environment

Debian/Ubuntu

Install dependencies:

📝 Expand this section if you are on Ubuntu 22.04 (Jammy).

The conmon version that Podman uses and Ubuntu Jammy ships, has a bug that gets triggered by Dangerzone (more details in freedomofpress#685). If you want to run Dangerzone from source, you are advised to install a patched conmon version. A simple way to do so is to enable our apt-tools-prod repo, just for the conmon package:

sudo cp ./dev_scripts/apt-tools-prod.sources /etc/apt/sources.list.d/
sudo cp ./dev_scripts/apt-tools-prod.pref /etc/apt/preferences.d/

Alternatively, you can install a conmon version higher than v2.0.25 from any repo you prefer.

sudo apt install -y podman dh-python build-essential fakeroot make libqt6gui6 \
    pipx python3 python3-dev python3-stdeb python3-all

Install Poetry using pipx (recommended) and add it to your $PATH:

(See also a list of alternative installation methods)

pipx ensurepath
pipx install poetry

After this, restart the terminal window, for the poetry command to be in your $PATH.

Clone this repository:

git clone https://github.com/freedomofpress/dangerzone/

Change to the dangerzone folder, and install the poetry dependencies:

Note: due to an issue with poetry, if it prompts for your keyring, disable the keyring with keyring --disable and run the command again.

cd dangerzone
poetry install

Build the latest container:

python3 ./install/common/build-image.py

Run from source tree:

# start a shell in the virtual environment
poetry shell

# run the CLI
./dev_scripts/dangerzone-cli --help

# run the GUI
./dev_scripts/dangerzone

Create a .deb:

./install/linux/build-deb.py

Fedora

Install dependencies:

sudo dnf install -y rpm-build podman python3 python3-devel python3-poetry-core \
    pipx qt6-qtbase-gui

Install Poetry using pipx:

pipx install poetry

Clone this repository:

git clone https://github.com/freedomofpress/dangerzone/

Change to the dangerzone folder, and install the poetry dependencies:

Note: due to an issue with poetry, if it prompts for your keyring, disable the keyring with keyring --disable and run the command again.

cd dangerzone
poetry install

Build the latest container:

python3 ./install/common/build-image.py

Run from source tree:

# start a shell in the virtual environment
poetry shell

# run the CLI
./dev_scripts/dangerzone-cli --help

# run the GUI
./dev_scripts/dangerzone

Note

Prefer running the following command in a Fedora development environment, created by ./dev_script/env.py.

Create a .rpm:

./install/linux/build-rpm.py

Qubes OS

⚠️ Native Qubes support is in beta stage, so the instructions below require switching between qubes, and are subject to change.

If you want to build Dangerzone on Qubes and use containers instead of disposable qubes, please follow the instructions of Fedora / Debian instead.

Initial Setup

The following steps must be completed once. Make sure you run them in the specified qubes.

Overview of the qubes you'll create:

qube type purpose
dz app qube Dangerzone development
dz-dvm app qube offline disposable template for performing conversions
fedora-38-dz template template for the other two qubes

In dom0:

The following instructions require typing commands in a terminal in dom0.

  1. Create a new Fedora template (fedora-38-dz) for Dangerzone development:

    qvm-clone fedora-38 fedora-38-dz

    💡 Alternatively, you can use your base Fedora 38 template in the following instructions. In that case, skip this step and replace fedora-38-dz with fedora-38 in the steps below.

  2. Create an offline disposable template (app qube) called dz-dvm, based on the fedora-38-dz template. This will be the qube where the documents will be sanitized:

    qvm-create --class AppVM --label red --template fedora-38-dz \
    --prop netvm="" --prop template_for_dispvms=True \
    --prop default_dispvm='' dz-dvm

  3. Create an app qube (dz) that will be used for Dangerzone development and initiating the sanitization process:

    qvm-create --class AppVM --label red --template fedora-38-dz dz

    💡 Alternatively, you can use a different app qube for Dangerzone development. In that case, replace dz with the qube of your choice in the steps below.

  4. Add an RPC policy (/etc/qubes/policy.d/50-dangerzone.policy) that will allow launching a disposable qube (dz-dvm) when Dangerzone converts a document, with the following contents:

    dz.Convert         *       @anyvm       @dispvm:dz-dvm  allow
dz.ConvertDev      *       @anyvm       @dispvm:dz-dvm  allow

In the dz app qube

In the following steps you'll setup the development environment and install a dangerzone build. This will make the development faster since it loads the server code dynamically each time it's run, instead of having to build and install a server package each time the developer wants to test it.

  1. Clone the Dangerzone project:

    git clone https://github.com/freedomofpress/dangerzone
cd dangerzone

  2. Follow the Fedora instructions for setting up the development environment with the particularity of running the following instead of poetry install:

    poetry install --with qubes

  3. Build a dangerzone .rpm for qubes with the command

    ./install/linux/build-rpm.py --qubes

  4. Copy the produced .rpm file into fedora-38-dz

    qvm-copy dist/*.x86_64.rpm

In the fedora-38-dz template

  1. Install the .rpm package you just copied

    sudo dnf install ~/QubesIncoming/dz/*.rpm

  2. Shutdown the fedora-38-dz template

Developing Dangerzone

From here on, developing Dangerzone is similar to Fedora. The only differences are that you need to set the environment variable QUBES_CONVERSION=1 when you wish to test the Qubes conversion, run the following commands on the dz development qube:

# run the CLI
QUBES_CONVERSION=1 poetry run ./dev_scripts/dangerzone-cli --help

# run the GUI
QUBES_CONVERSION=1 poetry run ./dev_scripts/dangerzone

And when creating a .rpm you'll need to enable the --qubes flag.

Note

Prefer running the following command in a Fedora development environment, created by ./dev_script/env.py.

./install/linux/build-rpm.py --qubes

For changes in the server side components, you can simply edit them locally, and they will be mirrored to the disposable qube through the dz.ConvertDev RPC call.

The only reason to build a new Qubes RPM and install it in the fedora-38-dz template for development is if:

  1. The project requires new server-side components.
  2. The code for qubes/dz.ConvertDev needs to be updated.

macOS

Install Docker Desktop. Make sure to choose your correct CPU, either Intel Chip or Apple Chip.

Install the latest version of Python 3.11 from python.org, and make sure /Library/Frameworks/Python.framework/Versions/3.11/bin is in your PATH.

Clone this repository:

git clone https://github.com/freedomofpress/dangerzone/
cd dangerzone

Install Python dependencies:

python3 -m pip install poetry
poetry install

Install Homebrew dependencies:

brew install create-dmg

Build the dangerzone container image:

python3 ./install/common/build-image.py

Run from source tree:

# start a shell in the virtual environment
poetry shell

# run the CLI
./dev_scripts/dangerzone-cli --help

# run the GUI
./dev_scripts/dangerzone

To create an app bundle, use the build_app.py script:

poetry run ./install/macos/build-app.py

If you want to build for distribution, you'll need a codesigning certificate, and then run:

poetry run ./install/macos/build-app.py --with-codesign

The output is in the dist folder.

Windows

Install Docker Desktop.

Install the latest version of Python 3.11 (64-bit) from python.org. Make sure to check the "Add Python 3.11 to PATH" checkbox on the first page of the installer.

Install Microsoft Visual C++ 14.0 or greater. Get it with "Microsoft C++ Build Tools" and make sure to select "Desktop development with C++" when installing.

Install poetry. Open PowerShell, and run:

python -m pip install poetry

Install git from here, open a Windows terminal (cmd.exe) and clone this repository:

git clone https://github.com/freedomofpress/dangerzone/

Change to the dangerzone folder, and install the poetry dependencies:

cd dangerzone
poetry install

Build the dangerzone container image:

python3 .\install\common\build-image.py

After that you can launch dangerzone during development with:

# start a shell in the virtual environment
poetry shell

# run the CLI
.\dev_scripts\dangerzone-cli.bat --help

# run the GUI
.\dev_scripts\dangerzone.bat

If you want to build the installer

If you want to sign binaries with Authenticode

You'll need a code signing certificate.

To make a .exe

Open a command prompt, cd into the dangerzone directory, and run:

poetry run python .\setup-windows.py build

In build\exe.win32-3.11\ you will find dangerzone.exe, dangerzone-cli.exe, and all supporting files.

To build the installer

Note that you must have a codesigning certificate installed in order to use the install\windows\build-app.bat script, because it codesigns dangerzone.exe, dangerzone-cli.exe and Dangerzone.msi.

poetry run .\install\windows\build-app.bat

When you're done you will have dist\Dangerzone.msi.