From 33cc80a90a22243bf5e8d690c6e7cd9a78b0500e Mon Sep 17 00:00:00 2001
From: Peter Evans <peter-evans@users.noreply.github.com>
Date: Wed, 23 Sep 2020 17:23:10 +0900
Subject: [PATCH] refactor: update image to execute action with node

---
 Dockerfile    | 20 ++++++++++--------
 entrypoint.sh | 58 +++++++--------------------------------------------
 2 files changed, 18 insertions(+), 60 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index b153d1d..8ce17ff 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,16 +1,18 @@
-FROM peterevans/curl-jq:1.0.1
+FROM node:12-alpine
 
-LABEL maintainer="Peter Evans <mail@peterevans.dev>"
-LABEL repository="https://github.com/peter-evans/dockerhub-description"
-LABEL homepage="https://github.com/peter-evans/dockerhub-description"
-
-LABEL com.github.actions.name="Docker Hub Description"
-LABEL com.github.actions.description="An action to update a Docker Hub repository description from README.md"
-LABEL com.github.actions.icon="upload"
-LABEL com.github.actions.color="blue"
+LABEL \
+  maintainer="Peter Evans <mail@peterevans.dev>" \
+  org.opencontainers.image.title="dockerhub-description" \
+  org.opencontainers.image.description="An action to update a Docker Hub repository description from README.md" \
+  org.opencontainers.image.authors="Peter Evans <mail@peterevans.dev>" \
+  org.opencontainers.image.url="https://github.com/peter-evans/dockerhub-description" \
+  org.opencontainers.image.vendor="https://peterevans.dev" \
+  org.opencontainers.image.licenses="MIT"
 
 COPY LICENSE README.md /
 
+COPY dist/index.js /index.js
+
 COPY entrypoint.sh /entrypoint.sh
 
 ENTRYPOINT ["/entrypoint.sh"]
diff --git a/entrypoint.sh b/entrypoint.sh
index 8803d1a..be4838e 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -2,56 +2,12 @@
 set -eo pipefail
 IFS=$'\n\t'
 
-# Allow DOCKERHUB_* variables to be set from their DOCKER_* variant
-DOCKERHUB_USERNAME=${DOCKERHUB_USERNAME:-${DOCKER_USERNAME}}
-DOCKERHUB_PASSWORD=${DOCKERHUB_PASSWORD:-${DOCKER_PASSWORD}}
-DOCKERHUB_REPOSITORY=${DOCKERHUB_REPOSITORY:-${DOCKER_REPOSITORY}}
+# Execute the action code and output to file
+node index.js > action.log 2>&1
 
-# If the repository isn't explicitly defined, infer it from GitHub if possible
-DOCKERHUB_REPOSITORY=${DOCKERHUB_REPOSITORY:-${GITHUB_REPOSITORY}}
+# Remove lines containing sensitive information from the log
+sed -i '/::debug::/d' ./action.log
+sed -i '/::add-mask::/d' ./action.log
 
-# Validate we can authenticate
-if [ -z "$DOCKERHUB_USERNAME" ] || [ -z "$DOCKERHUB_PASSWORD" ]; then
-  echo 'Unable to authenticate with Docker Hub, set a valid $DOCKERHUB_USERNAME and $DOCKERHUB_PASSWORD'
-  exit 1
-fi
-
-# Validate we have the repository name
-if [ -z "$DOCKERHUB_REPOSITORY" ]; then
-  echo 'Unable to determine Docker Hub repository name, set with $DOCKERHUB_REPOSITORY'
-  exit 1
-fi
-
-# Set the default path to README.md
-README_FILEPATH=${README_FILEPATH:="./README.md"}
-
-# Check the file exists
-if [ ! -f ${README_FILEPATH} ]; then
-  echo "Readme file not found"
-  exit 1
-fi
-
-# Check the file size
-if [ $(wc -c <${README_FILEPATH}) -gt 25000 ]; then
-  echo "File size exceeds the maximum allowed 25000 bytes"
-  exit 1
-fi
-
-# Acquire a token for the Docker Hub API
-echo "Acquiring token"
-LOGIN_PAYLOAD="{\"username\": \"${DOCKERHUB_USERNAME}\", \"password\": \"${DOCKERHUB_PASSWORD}\"}"
-TOKEN=$(curl -s -H "Content-Type: application/json" -X POST -d ${LOGIN_PAYLOAD} https://hub.docker.com/v2/users/login/ | jq -r .token)
-
-# Send a PATCH request to update the description of the repository
-echo "Sending PATCH request"
-REPO_URL="https://hub.docker.com/v2/repositories/${DOCKERHUB_REPOSITORY}/"
-RESPONSE_CODE=$(curl -s --write-out %{response_code} --output /dev/null -H "Authorization: JWT ${TOKEN}" -X PATCH --data-urlencode full_description@${README_FILEPATH} ${REPO_URL})
-echo "Received response code: $RESPONSE_CODE"
-
-if [ $RESPONSE_CODE -eq 200 ]; then
-  echo "Request successful"
-  exit 0
-else
-  echo "Request failed"
-  exit 1
-fi
+# Output the log
+cat action.log