74 lines
2.5 KiB
Bash
74 lines
2.5 KiB
Bash
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#!/bin/sh
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set -eu
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# Only emit whitelisted locale tags to avoid config.js injection from env values.
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RUNTIME_DEFAULT_LOCALE=""
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case "${DEFAULT_LOCALE:-}" in
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zh-CN|en-US|ru-RU|ko-KR) RUNTIME_DEFAULT_LOCALE="${DEFAULT_LOCALE}" ;;
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esac
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# 生成运行时配置文件，注入环境变量到前端
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FILE_MB=${MAX_FILE_SIZE_MB:-50}
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# Keep the browser and nginx in lockstep with the Go application ceiling.
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# Values above 20 GiB are rejected by the backend and must not produce a
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# misleadingly larger client-side limit or an oversized nginx request body.
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case "$FILE_MB" in
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''|*[!0-9]*) FILE_MB=50 ;;
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esac
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if [ "$FILE_MB" -gt 20480 ]; then
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FILE_MB=20480
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fi
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if [ "$FILE_MB" -le 0 ]; then
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FILE_MB=50
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fi
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SKILL_MB=${MAX_SKILL_BUNDLE_SIZE_MB:-256}
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case "$SKILL_MB" in
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''|*[!0-9]*) SKILL_MB=256 ;;
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esac
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if [ "$SKILL_MB" -lt "$FILE_MB" ] 2>/dev/null; then
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SKILL_MB=$FILE_MB
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fi
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if [ "$SKILL_MB" -gt 512 ] 2>/dev/null; then
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SKILL_MB=512
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fi
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cat > /usr/share/nginx/html/config.js << EOF
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window.__RUNTIME_CONFIG__ = {
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MAX_FILE_SIZE_MB: ${FILE_MB},
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MAX_SKILL_BUNDLE_SIZE_MB: ${SKILL_MB},
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DEFAULT_LOCALE: "${RUNTIME_DEFAULT_LOCALE}"
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};
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EOF
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# Rebuild from immutable templates on every start, including restarts with a
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# changed locale. Inlining removes a blocking request before the app can boot.
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for PAGE in index.html embed.html; do
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awk '
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NR == FNR { config = config $0 "\n"; next }
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/<script src="\/config.js"><\/script>/ {
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if (++replaced != 1) exit 1
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print "<script data-runtime-config>\n" config "</script>"
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next
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}
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{ print }
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END { if (replaced != 1) exit 1 }
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' /usr/share/nginx/html/config.js \
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"/usr/share/nginx/runtime-templates/$PAGE" > "/usr/share/nginx/html/$PAGE.next"
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mv "/usr/share/nginx/html/$PAGE.next" "/usr/share/nginx/html/$PAGE"
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done
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# 处理 nginx 配置。
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# 两个上限分开注入：全站保持知识库的 MAX_FILE_SIZE，只有技能 zip 上传的两条
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# 集合路由放宽到 MAX_SKILL_BUNDLE_SIZE（不含 /install、PATCH 等子路径）。
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# 合成一个全站上限会让每个上传端点都能收到技能包那么大的 body。
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export MAX_FILE_SIZE=${FILE_MB}M
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export MAX_SKILL_BUNDLE_SIZE=${SKILL_MB}M
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export APP_HOST=${APP_HOST:-app}
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export APP_PORT=${APP_PORT:-8080}
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export APP_SCHEME=${APP_SCHEME:-http}
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envsubst '${MAX_FILE_SIZE} ${MAX_SKILL_BUNDLE_SIZE} ${APP_HOST} ${APP_PORT} ${APP_SCHEME}' \
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< /etc/nginx/templates/default.conf.template > /etc/nginx/conf.d/default.conf
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# 启动 nginx
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exec nginx -g 'daemon off;'
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