tools: standardize base64 update

PR-URL: #47201
Refs: nodejs/security-wg#828
Reviewed-By: Rafael Gonzaga <[email protected]>

.github/workflows/tools.yml

@@ -87,13 +87,10 @@ jobs:
             subsystem: deps
             label: dependencies
             run: |
-              NEW_VERSION=$(gh api repos/aklomp/base64/releases/latest -q '.tag_name|ltrimstr("v")')
-              CURRENT_VERSION=$(grep "base64 LANGUAGES C VERSION" ./deps/base64/base64/CMakeLists.txt | \
-                                sed -n "s/^.*VERSION \(.*\))/\1/p")
-              if [ "$NEW_VERSION" != "$CURRENT_VERSION" ]; then
-                echo "NEW_VERSION=$NEW_VERSION" >> $GITHUB_ENV
-                ./tools/update-base64.sh "$NEW_VERSION"
-              fi
+              ./tools/dep_updaters/update-base64.sh > temp-output
+              cat temp-output
+              tail -n1 temp-output | grep "NEW_VERSION=" >> "$GITHUB_ENV" || true
+              rm temp-output
           - id: acorn
             subsystem: deps
             label: dependencies

tools/dep_updaters/update-base64.sh

@@ -0,0 +1,64 @@
+#!/bin/sh
+set -e
+# Shell script to update base64 in the source tree to a specific version
+
+BASE_DIR=$(cd "$(dirname "$0")/../.." && pwd)
+DEPS_DIR="$BASE_DIR/deps"
+
+[ -z "$NODE" ] && NODE="$BASE_DIR/out/Release/node"
+[ -x "$NODE" ] || NODE=$(command -v node)
+
+NEW_VERSION="$("$NODE" --input-type=module <<'EOF'
+const res = await fetch('https://api.github.com/repos/aklomp/base64/releases/latest');
+if (!res.ok) throw new Error(`FetchError: ${res.status} ${res.statusText}`, { cause: res });
+const { tag_name } = await res.json();
+console.log(tag_name.replace('v', ''));
+EOF
+)"
+
+CURRENT_VERSION=$(grep "base64 LANGUAGES C VERSION" ./deps/base64/base64/CMakeLists.txt | sed -n "s/^.*VERSION \(.*\))/\1/p")
+
+echo "Comparing $NEW_VERSION with $CURRENT_VERSION"
+
+if [ "$NEW_VERSION" = "$CURRENT_VERSION" ]; then
+  echo "Skipped because base64 is on the latest version."
+  exit 0
+fi
+
+echo "Making temporary workspace"
+
+WORKSPACE=$(mktemp -d 2> /dev/null || mktemp -d -t 'tmp')
+
+cleanup () {
+  EXIT_CODE=$?
+  [ -d "$WORKSPACE" ] && rm -rf "$WORKSPACE"
+  exit $EXIT_CODE
+}
+
+trap cleanup INT TERM EXIT
+
+cd "$WORKSPACE"
+
+echo "Fetching base64 source archive"
+curl -sL "https://api.github.com/repos/aklomp/base64/tarball/v$NEW_VERSION" | tar xzf -
+mv aklomp-base64-* base64
+
+echo "Replacing existing base64"
+rm -rf "$DEPS_DIR/base64/base64"
+mv "$WORKSPACE/base64" "$DEPS_DIR/base64/"
+
+# Build configuration is handled by `deps/base64/base64.gyp`, but since `config.h` has to be present for the build
+# to work, we create it and leave it empty.
+echo "// Intentionally empty" >> "$DEPS_DIR/base64/base64/lib/config.h"
+
+echo "All done!"
+echo ""
+echo "Please git add base64/base64, commit the new version:"
+echo ""
+echo "$ git add -A deps/base64/base64"
+echo "$ git commit -m \"deps: update base64 to $NEW_VERSION\""
+echo ""
+
+# The last line of the script should always print the new version,
+# as we need to add it to $GITHUB_ENV variable.
+echo "NEW_VERSION=$NEW_VERSION"