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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 | 1x 1x 1x 1x 1x 1x 1x 12x 12x 12x 1x 12x 12x 12x 12x 12x 12x 12x 12x 12x 1x 12x 12x 12x 12x 12x 12x 12x 12x 12x 13x 11x 11x 12x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 1x 11x 11x 11x 11x 1x 11x 1x | import { sspi, CtxtHandle } from '../../lib/api';
import { getUser } from './userdb';
import dbg from 'debug';
import { sso } from '.';
import os from 'os';
import { AuthOptions, User } from './interfaces';
const debug = dbg('node-expose-sspi:SSO');
export type SSOMethod = 'NTLM' | 'Kerberos';
export class SSO {
user: User;
owner: User;
private options: AuthOptions = {
useActiveDirectory: true,
useGroups: true,
useOwner: true,
groupFilterRegex: '.*',
};
constructor(
private serverContextHandle: CtxtHandle,
public method?: SSOMethod
) {}
async load(): Promise<void> {
const names = sspi.QueryContextAttributes(
this.serverContextHandle,
'SECPKG_ATTR_NAMES'
);
const [domain, name] = names.sUserName.split('\\');
this.user = { domain, name };
// impersonate to retrieve the userToken.
sspi.ImpersonateSecurityContext(this.serverContextHandle);
debug('impersonate security context ok');
const userToken = sspi.OpenThreadToken();
debug('userToken: ', userToken);
try {
this.user.displayName = sspi.GetUserNameEx('NameDisplay');
} catch (e) {
// exemple of error scenario: local user without displayname.
this.user.displayName = this.user.name;
}
sspi.RevertSecurityContext(this.serverContextHandle);
Eif (this.options.useGroups) {
const groups = sspi.GetTokenInformation({
accessToken: userToken,
tokenInformationClass: 'TokenGroups',
filter: this.options.groupFilterRegex,
});
groups.sort();
debug('groups: ', groups);
this.user.groups = groups;
}
// free the userToken
sspi.CloseHandle(userToken);
const { sid } = sspi.LookupAccountName(names.sUserName);
this.user.sid = sid;
try {
if (
sso.isOnDomain() &&
sso.isActiveDirectoryReachable() &&
os.hostname() !== domain &&
this.options.useActiveDirectory
) {
const adUser = await getUser(`(sAMAccountName=${name})`);
this.user.adUser = adUser;
}
} catch (e) {
debug('cannot getUser from AD. e: ', e);
}
// owner info.
if (this.options.useOwner) {
const owner = sspi.GetUserName();
debug('owner: ', owner);
this.owner = { name: owner };
try {
this.owner.displayName = sspi.GetUserNameEx('NameDisplay');
} catch (e) {
// exemple of error scenario: local user without displayname.
this.owner.displayName = this.owner.name;
}
Eif (this.options.useGroups) {
const processToken = sspi.OpenProcessToken([
'TOKEN_QUERY',
'TOKEN_QUERY_SOURCE',
]);
const ownerGroups = sspi.GetTokenInformation({
accessToken: processToken,
tokenInformationClass: 'TokenGroups',
filter: this.options.groupFilterRegex,
});
ownerGroups.sort();
debug('ownerGroups: ', ownerGroups);
this.owner.groups = ownerGroups;
sspi.CloseHandle(processToken);
}
try {
const o = sspi.LookupAccountName(owner);
this.owner.sid = o.sid;
this.owner.domain = o.domain;
} catch (e) {}
}
}
getJSON(): SSO {
const json = { ...this };
delete json.options;
delete json.serverContextHandle;
return json;
}
setOptions(options: AuthOptions): void {
Object.assign(this.options, options);
}
}
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