issue-ai/src/lib/ldap.ts

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import { Client, InvalidCredentialsError } from 'ldapts'
const LDAP_URL = process.env.LDAP_URL || 'ldap://localhost:3890'
const LDAP_BASE_DN = process.env.LDAP_BASE_DN || 'dc=tlyq,dc=ai'
// 从环境变量获取 LLDAP admin 密码(容器内无法执行 docker exec见 LESSONS-LEARNED #41
function getLdapAdminPassword(): string {
return process.env.LLDAP_ADMIN_PASSWORD || 'admin123'
}
export interface LdapResult {
success: boolean
unreachable: boolean
username?: string
displayName?: string
email?: string
}
export async function ldapAuth(
username: string,
password: string
): Promise<LdapResult> {
const userDn = `uid=${username},ou=people,${LDAP_BASE_DN}`
const client = new Client({ url: LDAP_URL, timeout: 5000 })
try {
await client.bind(userDn, password)
try {
const { searchEntries } = await client.search(LDAP_BASE_DN, {
scope: 'sub',
filter: `(uid=${username})`,
attributes: ['displayName', 'mail'],
timeLimit: 3,
})
const entry = searchEntries[0] as any
const displayName = entry?.displayName || username
const email = entry?.mail || null
return { success: true, unreachable: false, username, displayName, email }
} catch {
return { success: true, unreachable: false, username, displayName: username }
}
} catch (err) {
if (err instanceof InvalidCredentialsError) {
return { success: false, unreachable: false }
}
return { success: false, unreachable: true }
} finally {
await client.unbind()
}
}
// 从 LLDAP 获取用户信息displayName + email不可达返回 null
export async function ldapGetUserInfo(username: string): Promise<{ displayName: string; email: string | null } | null> {
const adminDn = process.env.LDAP_ADMIN_DN || 'uid=admin,ou=people,dc=tlyq,dc=ai'
const adminPass = getLdapAdminPassword()
const client = new Client({ url: LDAP_URL, timeout: 5000 })
try {
await client.bind(adminDn, adminPass)
const { searchEntries } = await client.search(LDAP_BASE_DN, {
scope: 'sub', filter: `(uid=${username})`, attributes: ['displayName', 'mail'], timeLimit: 3,
})
const entry = searchEntries[0] as any
return entry ? { displayName: entry.displayName || username, email: entry.mail || null } : null
} catch { return null }
finally { await client.unbind() }
}
// 检查 LLDAP 用户是否为 lldap_admin 组成员
export async function ldapIsAdmin(username: string): Promise<boolean> {
if (username === 'admin') return true
const adminDn = process.env.LDAP_ADMIN_DN || 'uid=admin,ou=people,dc=tlyq,dc=ai'
const adminPass = getLdapAdminPassword()
const client = new Client({ url: LDAP_URL, timeout: 5000 })
try {
await client.bind(adminDn, adminPass)
const { searchEntries } = await client.search(`ou=groups,${LDAP_BASE_DN}`, {
scope: 'sub', filter: `(&(cn=lldap_admin)(member=uid=${username},ou=people,${LDAP_BASE_DN}))`, timeLimit: 3,
})
return searchEntries.length > 0
} catch { return false }
finally { try { await client.unbind() } catch { /* */ } }
}
// Q1: 检查 LLDAP 中用户是否存在(用 admin bind 搜索,不在/不可达均返回 true 保证容错)
export async function ldapUserExists(username: string): Promise<boolean> {
const adminDn = process.env.LDAP_ADMIN_DN || 'uid=admin,ou=people,dc=tlyq,dc=ai'
const adminPass = getLdapAdminPassword()
const client = new Client({ url: LDAP_URL, timeout: 5000 })
try {
await client.bind(adminDn, adminPass)
const { searchEntries } = await client.search(LDAP_BASE_DN, {
scope: 'sub', filter: `(uid=${username})`, timeLimit: 3,
})
return searchEntries.length > 0
} catch {
return true // LLDAP 不可达 → 不阻断,容错放行
} finally {
await client.unbind()
}
}