fix: 修复学生代码窃取 token、提示词链 XSS 和打分没有上限的问题
- 运行提交代码的 iframe(编辑器预览、随机评分弹窗、/submission/:id、全屏预览) 加上 sandbox,不给 allow-same-origin,代码读不到 localStorage 里的 token - 提示词和 AI 回复的 markdown 渲染时转义原始 HTML,链接只放行 http(s)/mailto; ChainModal 也改用这个渲染函数 - 打分限定 1-5 分(超出返回 422),不能给自己的提交打分 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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@@ -42,7 +42,11 @@
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</n-flex>
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</n-flex>
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<div class="iframe-wrapper" :style="iframeWrapperStyle">
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<iframe class="iframe" :srcdoc="previewContent"></iframe>
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<iframe
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class="iframe"
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:sandbox="PREVIEW_SANDBOX"
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:srcdoc="previewContent"
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></iframe>
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</div>
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</template>
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<script lang="ts" setup>
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@@ -54,7 +58,10 @@ import { submission } from "../../store/submission"
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import { useMessage } from "naive-ui"
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import { Icon } from "@iconify/vue"
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import copy from "copy-text-to-clipboard"
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import { buildPreviewDocument } from "../../utils/previewDocument"
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import {
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buildPreviewDocument,
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PREVIEW_SANDBOX,
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} from "../../utils/previewDocument"
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interface Props {
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html: string
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@@ -145,9 +152,14 @@ function open() {
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} else {
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const newTab = window.open("about:blank", "_blank")
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if (!newTab) return
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newTab.document.open()
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newTab.document.write(getContent())
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newTab.document.close()
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// 新标签页和本站同源,代码要放进带 sandbox 的 iframe 里跑
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const doc = newTab.document
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doc.open()
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doc.write(
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`<!DOCTYPE html><title>预览</title><style>html,body,iframe{margin:0;width:100%;height:100%;border:0;display:block}</style><iframe sandbox="${PREVIEW_SANDBOX}"></iframe>`,
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)
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doc.close()
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doc.querySelector("iframe")!.srcdoc = getContent()
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}
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}
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