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feat: 添加数据脱敏过滤器 #60

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feat: 添加数据脱敏过滤器 #60

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37 changes: 32 additions & 5 deletions packages/page-agent/src/dom/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -94,6 +94,35 @@ interface TreeNode {
extra?: Record<string, any>
}

/**
* 数据脱敏过滤器
* 过滤规则：
* 1. 手机号：11位数字，以1开头 -> 138****1234
* 2. 邮箱：xxx@xxx.com -> x***@xxx.com
* 3. 身份证号：18位数字 -> 330106********1234
* 4. 银行卡号：16-19位数字 -> 6222***********1234
*/
function maskSensitiveData(text: string): string {
if (!text) return text

// 手机号 (1开头，11位数字)
text = text.replace(/\b(1[3-9]\d)(\d{4})(\d{4})\b/g, '$1****$3')

// 邮箱 (简单匹配)
text = text.replace(/\b([a-zA-Z0-9._%+-])[^@]*(@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,})\b/g, '$1***$2')

// 身份证号 (18位)
text = text.replace(
/\b(\d{6})(19|20\d{2})(0[1-9]|1[0-2])(0[1-9]|[12]\d|3[01])(\d{3}[\dXx])\b/g,
'$1********$5'
)

// 银行卡号 (16-19位数字)
text = text.replace(/\b(\d{4})\d{8,11}(\d{4})\b/g, '$1********$2')

return text
}

/**
* 对应 python 中的 views::clickable_elements_to_string,
* 将 dom 信息处理成适合 llm 阅读的文本格式
Expand All @@ -114,8 +143,6 @@ interface TreeNode {
* 其中可交互元素用序号标出，提示llm可以用序号操作。
* 缩进代表父子关系。
* 普通文本则直接列出来。
*
* @todo 数据脱敏过滤器
*/
export function flatTreeToString(flatTree: FlatDomTree, include_attributes?: string[]): string {
const DEFAULT_INCLUDE_ATTRIBUTES = [
Expand Down Expand Up @@ -295,7 +322,7 @@ export function flatTreeToString(flatTree: FlatDomTree, include_attributes?: str

if (Object.keys(attributesToInclude).length > 0) {
attributesHtmlStr = Object.entries(attributesToInclude)
.map(([key, value]) => `${key}=${capTextLength(value, 20)}`)
.map(([key, value]) => `${key}=${capTextLength(maskSensitiveData(value), 20)}`)
.join(' ')
}
}
Expand Down Expand Up @@ -329,7 +356,7 @@ export function flatTreeToString(flatTree: FlatDomTree, include_attributes?: str
}

if (text) {
const trimmedText = text.trim()
const trimmedText = maskSensitiveData(text).trim()
if (!attributesHtmlStr) {
line += ' '
}
Expand Down Expand Up @@ -358,7 +385,7 @@ export function flatTreeToString(flatTree: FlatDomTree, include_attributes?: str
node.parent.isVisible &&
node.parent.isTopElement
) {
result.push(`${depthStr}${node.text ?? ''}`)
result.push(`${depthStr}${maskSensitiveData(node.text ?? '')}`)
}
}
}
Expand Down