FROM debian

# TODO(hkjn): Use alpine as base.

MAINTAINER Henrik Jonsson <me@hkjn.me>

ENV TOR_VERSION=6.5a6-hardened
# Via https://dist.torproject.org/torbrowser/$TOR_VERSION/sha256sums-unsigned-build.txt
ENV SHA256_CHECKSUM=03e7107d803af2e8c964980f7cbdb4f18af33e1b07867d8d1084bcede5597189
ENV LANG=C.UTF-8
ENV RELEASE_FILE=tor-browser-linux64-${TOR_VERSION}_ALL.tar.xz
ENV RELEASE_KEY=0x4E2C6E8793298290
ENV RELEASE_URL=https://dist.torproject.org/torbrowser/${TOR_VERSION}/${RELEASE_FILE}
ENV PATH=$PATH:/usr/local/bin/Browser

RUN apt-get update && \
    apt-get install -y \
      ca-certificates \
      curl \
      libasound2 \
      libdbus-glib-1-2 \
      libgtk2.0-0 \
      libxrender1 \
      libxt6 \
      xz-utils && \
    rm -rf /var/lib/apt/lists/* && \
    useradd --create-home --home-dir /home/user user && \
    chown -R user:user /home/user

# TODO(hkjn): Stop having gpg import key command separate layer, if we
# can figure out why it's flaky and commonly gives "keys: key
# 4E2C6E8793298290 can't be retrieved, gpg: no valid OpenPGP data
# found."
RUN gpg --keyserver pgp.mit.edu --recv-keys $RELEASE_KEY
RUN curl --fail -O -sSL ${RELEASE_URL} && \
    curl --fail -O -sSL ${RELEASE_URL}.asc && \
    gpg --verify ${RELEASE_FILE}.asc && \
    echo "$SHA256_CHECKSUM $RELEASE_FILE" > sha256sums.txt && \
    sha256sum -c sha256sums.txt && \
    tar --strip-components=1 -vxJf ${RELEASE_FILE} && \
    rm -v ${RELEASE_FILE}* sha256sums.txt && \
    mkdir -p /usr/local/bin/Browser/Downloads && \
    chown -R user:user /usr/local/bin/Browser/Downloads

WORKDIR /usr/local/bin/Browser/Downloads
USER user

ENTRYPOINT ["start-tor-browser"]
CMD [""]