# Building OnionShare

Start by getting the source code:

```sh
git clone https://github.com/micahflee/onionshare.git
cd onionshare
```

## Linux

Install the needed dependencies:

For Debian-like distros:

```
apt install -y python3-flask python3-stem python3-pyqt5 python3-crypto python3-socks python-nautilus tor obfs4proxy python3-pytest build-essential fakeroot python3-all python3-stdeb dh-python
```

For Fedora-like distros:

```
dnf install -y python3-flask python3-stem python3-qt5 python3-crypto python3-pysocks nautilus-python tor obfs4 python3-pytest rpm-build
```

After that you can try both the CLI and the GUI version of OnionShare:

```sh
./dev_scripts/onionshare
./dev_scripts/onionshare-gui
```

You can also build OnionShare packages to install:

Create a .deb on Debian-like distros: `./install/build_deb.sh`

Create a .rpm on Fedora-like distros: `./install/build_rpm.sh`

For OpenSuSE: There are instructions for building [in the wiki](https://github.com/micahflee/onionshare/wiki/Linux-Distribution-Support#opensuse-leap-150).

For ArchLinux: There is a PKBUILD available [here](https://aur.archlinux.org/packages/onionshare/) that can be used to install OnionShare.

If you find that these instructions don't work for your Linux distribution or version, consult the [Linux Distribution Support wiki guide](https://github.com/micahflee/onionshare/wiki/Linux-Distribution-Support), which might contain extra instructions.

## Mac OS X

Install Xcode from the Mac App Store. Once it's installed, run it for the first time to set it up. Also, run this to make sure command line tools are installed: `xcode-select --install`. And finally, open Xcode, go to Preferences > Locations, and make sure under Command Line Tools you select an installed version from the dropdown. (This is required for installing Qt5.)

Download and install Python 3.7.0 from https://www.python.org/downloads/release/python-370/. I downloaded `python-3.7.0-macosx10.9.pkg`.

You may also need to run the command `/Applications/Python\ 3.7/Install\ Certificates.command` to update Python 3.6's internal certificate store. Otherwise, you may find that fetching the Tor Browser .dmg file fails later due to a certificate validation error.

Download and install Qt5 from https://www.qt.io/download-open-source/. I downloaded `qt-unified-mac-x64-3.0.5-online.dmg`. There's no need to login to a Qt account during installation. When you select components, install the `macOS` component from Qt 5.11.1 (or whatever the latest Qt version is).

Now install some python dependencies with pip (note, there's issues building a .app if you install this in a virtualenv):

```sh
pip3 install -r install/requirements.txt
```

You can run both the CLI and GUI versions of OnionShare without building an bundle:

```sh
./dev_scripts/onionshare
./dev_scripts/onionshare-gui
```

To build the app bundle:

```sh
install/build_osx.sh
```

Now you should have `dist/OnionShare.app`.

To codesign and build a pkg for distribution:

```sh
install/build_osx.sh --release
```

Now you should have `dist/OnionShare.pkg`.

## Windows

### Setting up your dev environment

Download Python 3.7.0, 32-bit (x86) from https://www.python.org/downloads/release/python-370/. I downloaded `python-3.7.0.exe`. When installing it, make sure to check the "Add Python 3.7 to PATH" checkbox on the first page of the installer.

Open a command prompt, cd to the onionshare folder, and install dependencies with pip:

```cmd
pip install -r install\requirements.txt
```

Download and install Qt5 from https://www.qt.io/download-open-source/. I downloaded `qt-unified-windows-x86-3.0.5-online.exe`. There's no need to login to a Qt account during installation. When you can select components, install the `MSVC 2015 32-bit` component from Qt 5.11.1 (or whatever the latest Qt version is).

After that you can try both the CLI and the GUI version of OnionShare:

```
python dev_scripts\onionshare
python dev_scripts\onionshare-gui
```

If you want to build a .exe:

These instructions include adding folders to the path in Windows. To do this, go to Start and type "advanced system settings", and open "View advanced system settings" in the Control Panel. Click Environment Variables. Under "System variables" double-click on Path. From there you can add and remove folders that are available in the PATH.

Download and install the 32-bit [Visual C++ Redistributable for Visual Studio 2015](https://www.microsoft.com/en-US/download/details.aspx?id=48145). I downloaded `vc_redist.x86.exe`.

Download and install 7-Zip from http://www.7-zip.org/download.html. I downloaded `7z1805.exe`.

Download and install the standalone [Windows 10 SDK](https://dev.windows.com/en-us/downloads/windows-10-sdk). Note that you may not need this if you already have Visual Studio.

Add the following directories to the path:

* `C:\Program Files (x86)\Windows Kits\10\bin\10.0.16299.0\x86`
* `C:\Program Files (x86)\Windows Kits\10\Redist\ucrt\DLLs\x86`
* `C:\Users\user\AppData\Local\Programs\Python\Python36-32\Lib\site-packages\PyQt5\Qt\bin`
* `C:\Program Files (x86)\7-Zip`

If you want to build the installer:

* Go to http://nsis.sourceforge.net/Download and download the latest NSIS. I downloaded `nsis-3.03-setup.exe`.
* Add `C:\Program Files (x86)\NSIS` to the path.

If you want to sign binaries with Authenticode:

* You'll need a code signing certificate. I got an open source code signing certificate from [Certum](https://www.certum.eu/certum/cert,offer_en_open_source_cs.xml).
* Once you get a code signing key and certificate and covert it to a pfx file, import it into your certificate store.

### To make a .exe:

* Open a command prompt, cd into the onionshare directory, and type: `pyinstaller install\pyinstaller.spec`. `onionshare-gui.exe` and all of their supporting files will get created inside the `dist` folder.

### To build the installer:

Note that you must have a codesigning certificate installed in order to use the `install\build_exe.bat` script, because it codesigns `onionshare-gui.exe`, `uninstall.exe`, and `onionshare-setup.exe`.

Open a command prompt, cd to the onionshare directory, and type: `install\build_exe.bat`

This will prompt you to codesign three binaries and execute one unsigned binary. When you're done clicking through everything you will have `dist\onionshare-setup.exe`.

## Tests

OnionShare includes PyTest unit tests. To run the tests, first install some dependencies:

```sh
pip3 install -r install/requirements-tests.txt
```

Then you can run `pytest` against the `tests/` directory.

```sh
pytest tests/
```

If you would like to also run the GUI unit tests in 'tor' mode, start Tor Browser in the background, then run:

```sh
pytest --runtor tests/
```

Keep in mind that the Tor tests take a lot longer to run than local mode, but they are also more comprehensive.

You can also choose to wrap the tests in `xvfb-run` so that a ton of OnionShare windows don't pop up on your desktop (you may need to install the `xorg-x11-server-Xvfb` package), like this:

```sh
xvfb-run pytest tests/
```