mirror of
https://github.com/freedomofpress/dangerzone.git
synced 2025-04-28 09:52:37 +02:00
e0b092692d
Breaks down the container build into multiple stages in order to speed up build times. Building PyMuPDF was taking too long and this way it can be cached. The original version was made by @apyrgio
90 lines
3.3 KiB
Docker
90 lines
3.3 KiB
Docker
###########################################
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# Build PyMuPDF
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FROM alpine:latest as pymupdf-build
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ARG REQUIREMENTS_TXT
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# Install PyMuPDF via hash-checked requirements file
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COPY ${REQUIREMENTS_TXT} /tmp/requirements.txt
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RUN apk --no-cache add linux-headers g++ linux-headers gcc make python3-dev py3-pip
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RUN pip install --break-system-packages --require-hashes -r /tmp/requirements.txt
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###########################################
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# Download Tesseract data
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FROM alpine:latest as tessdata-dl
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ARG TESSDATA_CHECKSUM=d0e3bb6f3b4e75748680524a1d116f2bfb145618f8ceed55b279d15098a530f9
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# Download the trained models from the latest GitHub release of Tesseract, and
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# store them under /usr/share/tessdata. This is basically what distro packages
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# do under the hood.
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#
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# Because the GitHub release contains more files than just the trained models,
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# we use `find` to fetch only the '*.traineddata' files in the top directory.
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#
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# Before we untar the models, we also check if the checksum is the expected one.
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RUN mkdir /usr/share/tessdata/ && mkdir tessdata && cd tessdata \
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&& TESSDATA_VERSION=$(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
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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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ghostscript \
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libreoffice \
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openjdk8 \
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poppler-utils \
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poppler-data \
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python3 \
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py3-magic \
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tesseract-ocr \
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font-noto-cjk
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COPY --from=pymupdf-build /usr/lib/python3.11/site-packages/fitz/ /usr/lib/python3.11/site-packages/fitz
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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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ENV PYTHONPATH=/opt/dangerzone
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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
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RUN adduser -s /bin/sh -D dangerzone
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USER dangerzone
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# /tmp/input_file is where the first convert expects the input file to be, and
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# /tmp where it will write the pixel files
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#
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# /dangerzone is where the second script expects files to be put by the first one
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#
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# /safezone is where the wrapper eventually moves the sanitized files.
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VOLUME /dangerzone /tmp/input_file /safezone
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