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feat: 一些更新

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cc
2026-02-01 15:01:50 +08:00
parent 6f41cb34ed
commit e0f22f58c8
11 changed files with 599 additions and 242 deletions
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93
electron/services/groupAnalyticsService.ts
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@@ -93,99 +93,16 @@ class GroupAnalyticsService {
return { success: true }
}
private looksLikeHex(s: string): boolean {
if (s.length % 2 !== 0) return false
return /^[0-9a-fA-F]+$/.test(s)
}
private looksLikeBase64(s: string): boolean {
if (s.length % 4 !== 0) return false
return /^[A-Za-z0-9+/=]+$/.test(s)
}
/**
* 解析 ext_buffer 二进制数据，提取群成员的群昵称
*/
private parseGroupNicknamesFromExtBuffer(buffer: Buffer): Map<string, string> {
const nicknameMap = new Map<string, string>()
try {
const raw = buffer.toString('utf8')
const wxidPattern = /wxid_[a-z0-9_]+/gi
const wxids = raw.match(wxidPattern) || []
for (const wxid of wxids) {
const wxidLower = wxid.toLowerCase()
const wxidIndex = raw.toLowerCase().indexOf(wxidLower)
if (wxidIndex === -1) continue
const afterWxid = raw.slice(wxidIndex + wxid.length)
let nickname = ''
let foundStart = false
for (let i = 0; i < afterWxid.length && i < 100; i++) {
const char = afterWxid[i]
const code = char.charCodeAt(0)
const isPrintable = (
(code >= 0x4E00 && code <= 0x9FFF) ||
(code >= 0x3000 && code <= 0x303F) ||
(code >= 0xFF00 && code <= 0xFFEF) ||
(code >= 0x20 && code <= 0x7E)
)
if (isPrintable && code !== 0x01 && code !== 0x18) {
foundStart = true
nickname += char
} else if (foundStart) {
break
}
}
nickname = nickname.trim().replace(/[\x00-\x1F\x7F]/g, '')
if (nickname && nickname.length < 50) {
nicknameMap.set(wxidLower, nickname)
}
}
} catch (e) {
console.error('Failed to parse ext_buffer:', e)
}
return nicknameMap
}
/**
* 从 contact.db 的 chat_room 表获取群成员的群昵称
* 从 DLL 获取群成员的群昵称
*/
private async getGroupNicknamesForRoom(chatroomId: string): Promise<Map<string, string>> {
try {
const sql = `SELECT ext_buffer FROM chat_room WHERE username = '${chatroomId.replace(/'/g, "''")}'`
const result = await wcdbService.execQuery('contact', null, sql)
if (!result.success || !result.rows || result.rows.length === 0) {
return new Map<string, string>()
const result = await wcdbService.getGroupNicknames(chatroomId)
if (result.success && result.nicknames) {
return new Map(Object.entries(result.nicknames))
}
let extBuffer = result.rows[0].ext_buffer
if (typeof extBuffer === 'string') {
if (this.looksLikeHex(extBuffer)) {
extBuffer = Buffer.from(extBuffer, 'hex')
} else if (this.looksLikeBase64(extBuffer)) {
extBuffer = Buffer.from(extBuffer, 'base64')
} else {
try {
extBuffer = Buffer.from(extBuffer, 'hex')
} catch {
extBuffer = Buffer.from(extBuffer, 'base64')
}
}
}
if (!extBuffer || !Buffer.isBuffer(extBuffer)) {
return new Map<string, string>()
}
return this.parseGroupNicknamesFromExtBuffer(extBuffer)
return new Map<string, string>()
} catch (e) {
console.error('getGroupNicknamesForRoom error:', e)
return new Map<string, string>()