mirror of
https://github.com/freedomofpress/dangerzone.git
synced 2025-04-28 18:02:38 +02:00
130 lines
5.1 KiB
Docker
130 lines
5.1 KiB
Docker
###########################################
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# Build PyMuPDF
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FROM alpine:latest as pymupdf-build
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ARG ARCH
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ARG REQUIREMENTS_TXT
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RUN mkdir -p /usr/lib/python3.12/site-packages/PyMuPDFb.libs
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# Install PyMuPDF via hash-checked requirements file
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COPY ${REQUIREMENTS_TXT} /tmp/requirements.txt
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# PyMuPDF provides non-arm musl wheels only.
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# Only install build-dependencies if we are actually building the wheel
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RUN case "$ARCH" in \
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"arm64") \
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# This is required for copying later, but is created only in the pre-built wheels
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mkdir -p /usr/lib/python3.12/site-packages/PyMuPDFb.libs/ \
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&& apk --no-cache add linux-headers g++ linux-headers gcc make python3-dev py3-pip clang-dev ;; \
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*) \
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apk --no-cache add py3-pip ;; \
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esac
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RUN pip install -vv --break-system-packages --require-hashes -r /tmp/requirements.txt
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###########################################
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# Download Tesseract data
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FROM alpine:latest as tessdata-dl
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ARG TESSDATA_CHECKSUM=d0e3bb6f3b4e75748680524a1d116f2bfb145618f8ceed55b279d15098a530f9
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# Download the trained models from the latest GitHub release of Tesseract, and
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# store them under /usr/share/tessdata. This is basically what distro packages
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# do under the hood.
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#
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# Because the GitHub release contains more files than just the trained models,
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# we use `find` to fetch only the '*.traineddata' files in the top directory.
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#
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# Before we untar the models, we also check if the checksum is the expected one.
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RUN mkdir /usr/share/tessdata/ && mkdir tessdata && cd tessdata \
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&& TESSDATA_VERSION=$(wget -O- -nv https://api.github.com/repos/tesseract-ocr/tessdata_fast/releases/latest \
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| sed -n 's/^.*"tag_name": "\([0-9.]\+\)".*$/\1/p') \
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&& wget https://github.com/tesseract-ocr/tessdata_fast/archive/$TESSDATA_VERSION/tessdata_fast-$TESSDATA_VERSION.tar.gz \
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&& echo "$TESSDATA_CHECKSUM tessdata_fast-$TESSDATA_VERSION.tar.gz" | sha256sum -c \
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&& tar -xzvf tessdata_fast-$TESSDATA_VERSION.tar.gz -C . \
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&& find . -name '*.traineddata' -maxdepth 2 -exec cp {} /usr/share/tessdata/ \; \
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&& cd .. && rm -r tessdata
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###########################################
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# Download H2ORestart
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FROM alpine:latest as h2orestart-dl
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ARG H2ORESTART_CHECKSUM=5db816a1e57b510456633f55e693cb5ef3675ef8b35df4f31c90ab9d4c66071a
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RUN mkdir /libreoffice_ext && cd libreoffice_ext \
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&& H2ORESTART_FILENAME=h2orestart.oxt \
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&& H2ORESTART_VERSION="v0.5.7" \
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&& wget https://github.com/ebandal/H2Orestart/releases/download/$H2ORESTART_VERSION/$H2ORESTART_FILENAME \
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&& echo "$H2ORESTART_CHECKSUM $H2ORESTART_FILENAME" | sha256sum -c \
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&& install -dm777 "/usr/lib/libreoffice/share/extensions/"
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###########################################
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# Dangerzone image
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FROM alpine:latest AS dangerzone-image
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# Install dependencies
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RUN apk --no-cache -U upgrade && \
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apk --no-cache add \
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libreoffice \
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openjdk8 \
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python3 \
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py3-magic \
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font-noto-cjk
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COPY --from=pymupdf-build /usr/lib/python3.12/site-packages/fitz/ /usr/lib/python3.12/site-packages/fitz
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COPY --from=pymupdf-build /usr/lib/python3.12/site-packages/pymupdf/ /usr/lib/python3.12/site-packages/pymupdf
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COPY --from=pymupdf-build /usr/lib/python3.12/site-packages/PyMuPDFb.libs/ /usr/lib/python3.12/site-packages/PyMuPDFb.libs
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COPY --from=tessdata-dl /usr/share/tessdata/ /usr/share/tessdata
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COPY --from=h2orestart-dl /libreoffice_ext/ /libreoffice_ext
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RUN install -dm777 "/usr/lib/libreoffice/share/extensions/"
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RUN mkdir -p /opt/dangerzone/dangerzone
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RUN touch /opt/dangerzone/dangerzone/__init__.py
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COPY conversion /opt/dangerzone/dangerzone/conversion
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# Add the unprivileged user. Set the UID/GID of the dangerzone user/group to
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# 1000, since we will point to it from the OCI config.
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#
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# NOTE: A tmpfs will be mounted over /home/dangerzone directory,
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# so nothing within it from the image will be persisted.
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RUN addgroup -g 1000 dangerzone && \
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adduser -u 1000 -s /bin/true -G dangerzone -h /home/dangerzone -D dangerzone
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###########################################
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# gVisor wrapper image
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FROM alpine:latest
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RUN apk --no-cache -U upgrade && \
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apk --no-cache add python3
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# Temporarily pin gVisor to the latest working version (release-20240826.0).
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# See: https://github.com/freedomofpress/dangerzone/issues/928
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RUN GVISOR_URL="https://storage.googleapis.com/gvisor/releases/release/20240826/$(uname -m)"; \
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wget "${GVISOR_URL}/runsc" "${GVISOR_URL}/runsc.sha512" && \
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sha512sum -c runsc.sha512 && \
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rm -f runsc.sha512 && \
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chmod 555 runsc && \
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mv runsc /usr/bin/
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# Add the unprivileged `dangerzone` user.
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RUN addgroup dangerzone && \
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adduser -s /bin/true -G dangerzone -h /home/dangerzone -D dangerzone
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# Switch to the dangerzone user for the rest of the script.
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USER dangerzone
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# Copy the Dangerzone image, as created by the previous steps, into the home
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# directory of the `dangerzone` user.
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RUN mkdir /home/dangerzone/dangerzone-image
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COPY --from=dangerzone-image / /home/dangerzone/dangerzone-image/rootfs
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# Create a directory that will be used by gVisor as the place where it will
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# store the state of its containers.
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RUN mkdir /home/dangerzone/.containers
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COPY gvisor_wrapper/entrypoint.py /
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ENTRYPOINT ["/entrypoint.py"]
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