81 wiersze
2.4 KiB
Plaintext
Executable File
81 wiersze
2.4 KiB
Plaintext
Executable File
#!/usr/bin/with-contenv bash
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# Exit if mods is not set
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if [ -z ${DOCKER_MODS+x} ]; then
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exit 0
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fi
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# Check for curl
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if [ ! -f /usr/bin/curl ]; then
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echo "[mod-init] Curl was not found on this system for Docker mods installing"
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if [ -f /usr/bin/apt ]; then
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## Ubuntu
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apt-get update
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apt-get install --no-install-recommends -y \
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curl
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elif [ -f /sbin/apk ]; then
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# Alpine
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apk add --no-cache \
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curl
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fi
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fi
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# Main run logic
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echo "[mod-init] Attempting to run Docker Modification Logic"
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IFS='|'
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DOCKER_MODS=(${DOCKER_MODS})
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for DOCKER_MOD in "${DOCKER_MODS[@]}"; do
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FILENAME=$(echo ${DOCKER_MOD} | sed 's/[:\/]/./g')
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ENDPOINT=$(echo ${DOCKER_MOD} | awk -F: '{print $1}')
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USERNAME=$(echo ${ENDPOINT} | awk -F/ '{print $1}')
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TAG=$(echo ${DOCKER_MOD} | awk -F: '{print $2}')
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# Kill off modification logic if any of the usernames are banned
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BLACKLIST=$(curl -s https://raw.githubusercontent.com/linuxserver/docker-mods/master/blacklist.txt)
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IFS=$'\n'
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BLACKLIST=(${BLACKLIST})
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for BANNED in "${BLACKLIST[@]}"; do
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if [ "${BANNED}" == "${USERNAME,,}" ]; then
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if [ -z ${RUN_BANNED_MODS+x} ]; then
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echo "[mod-init] ${DOCKER_MOD} is banned from use due to reported abuse aborting mod logic"
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exit 0
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else
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echo "[mod-init] You have chosen to run banned mods ${DOCKER_MOD} will be applied"
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fi
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fi
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done
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echo "[mod-init] Applying ${DOCKER_MOD} files to container"
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# Get Dockerhub token for api operations
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TOKEN=\
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"$(curl \
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--silent \
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--header 'GET' \
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"https://auth.docker.io/token?service=registry.docker.io&scope=repository:${ENDPOINT}:pull" \
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| awk -F'"' '{print $4}' \
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)"
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# Determine first and only layer of image
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SHALAYER=\
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"$(curl \
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--silent \
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--location \
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--request GET \
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--header "Authorization: Bearer ${TOKEN}" \
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https://registry-1.docker.io/v2/${ENDPOINT}/manifests/${TAG} \
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|grep -m1 "blobSum" \
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| awk -F'"' '{print $4}' \
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)"
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# Check if we have allready applied this layer
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if [ -f "/${FILENAME}" ] && [ "${SHALAYER}" == "$(cat /${FILENAME})" ]; then
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echo "[mod-init] ${DOCKER_MOD} at ${SHALAYER} has been previously applied skipping"
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else
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# Download and extract layer to /
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curl \
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--silent \
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--location \
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--request GET \
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--header "Authorization: Bearer ${TOKEN}" \
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"https://registry-1.docker.io/v2/${ENDPOINT}/blobs/${SHALAYER}" \
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| tar xz -C /
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echo ${SHALAYER} > "/${FILENAME}"
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fi
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done
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