Oier Bravo Urtasun
a2821f2bbc
The server JVM agent (runtime/authlib-injector.jar, mounted at /extras) is gitignored and was previously fetched by the deleted build-stack.sh prep. A fresh checkout had no jar, so minecraft crashlooped with "Error opening zip file or JAR manifest missing". Add a standalone fetch tool: resolves the latest release asset, downloads, and verifies it's a real zip/jar (PK magic) before trusting it. Idempotent (skips if valid, --force to re-download). Wire it into the deploy skill and README launch steps. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
52 lines
2.0 KiB
Bash
Executable File
52 lines
2.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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# fetch-authlib.sh — download the latest authlib-injector.jar into runtime/.
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#
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# The Minecraft container mounts ./runtime read-only at /extras and loads the
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# server JVM agent from /extras/authlib-injector.jar (points the server at Drasl
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# for session validation). The jar is gitignored, so a fresh checkout needs this.
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#
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# Usage:
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# tooling/fetch-authlib.sh # download if missing (or invalid)
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# tooling/fetch-authlib.sh --force # re-download even if present
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#
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# Cautious by design: resolves the release asset by name, halts on any error,
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# and verifies the result is a real zip/jar before trusting it (a half-written
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# or HTML error body would otherwise surface later as the cryptic
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# "Error opening zip file or JAR manifest missing").
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set -euo pipefail
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cd "$(dirname "$0")/.." # repo root
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log() { printf '\n\033[1;32m==>\033[0m %s\n' "$*"; }
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warn() { printf '\033[1;33m!!\033[0m %s\n' "$*" >&2; }
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die() { printf '\033[1;31mxx\033[0m %s\n' "$*" >&2; exit 1; }
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command -v curl >/dev/null || die "curl required"
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command -v jq >/dev/null || die "jq required"
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DEST="runtime/authlib-injector.jar"
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API="https://api.github.com/repos/yushijinhun/authlib-injector/releases/latest"
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# A valid jar is a zip — first two bytes are "PK". Reject anything else.
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is_jar() { [ -s "$1" ] && [ "$(head -c2 "$1" 2>/dev/null)" = "PK" ]; }
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if [ "${1:-}" != "--force" ] && is_jar "$DEST"; then
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log "$DEST already present and valid — skipping (use --force to re-download)"
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exit 0
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fi
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log "resolving latest authlib-injector release asset"
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url="$(curl -fsSL "$API" \
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| jq -r '.assets[] | select(.name|test("authlib-injector-[0-9].*\\.jar$")) | .browser_download_url' \
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| head -1)"
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[ -n "$url" ] && [ "$url" != "null" ] || die "could not resolve authlib-injector release asset"
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mkdir -p runtime
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tmp="${DEST}.part"
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log "downloading $(basename "$url")"
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curl -fSL --retry 3 -o "$tmp" "$url"
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is_jar "$tmp" || { rm -f "$tmp"; die "downloaded file is not a valid jar (zip) — aborting"; }
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mv -f "$tmp" "$DEST"
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log "done → $DEST ($(wc -c <"$DEST") bytes)"
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