Files
Termix/src/backend/utils/data-crypto.ts

493 lines
15 KiB
TypeScript

import { FieldCrypto } from "./field-crypto.js";
import { LazyFieldEncryption } from "./lazy-field-encryption.js";
import { UserCrypto } from "./user-crypto.js";
import { databaseLogger } from "./logger.js";
interface DatabaseInstance {
prepare: (sql: string) => {
all: (param?: unknown) => DatabaseRecord[];
get: (param?: unknown) => DatabaseRecord;
run: (...params: unknown[]) => unknown;
};
}
interface DatabaseRecord {
id: number | string;
[key: string]: unknown;
}
class DataCrypto {
private static userCrypto: UserCrypto;
static initialize() {
this.userCrypto = UserCrypto.getInstance();
}
static encryptRecord<T extends Record<string, unknown>>(
tableName: string,
record: T,
userId: string,
userDataKey: Buffer,
): T {
const encryptedRecord: Record<string, unknown> = { ...record };
const recordId = record.id || "temp-" + Date.now();
for (const [fieldName, value] of Object.entries(record)) {
if (FieldCrypto.shouldEncryptField(tableName, fieldName) && value) {
encryptedRecord[fieldName] = FieldCrypto.encryptField(
value as string,
userDataKey,
recordId as string,
fieldName,
);
}
}
return encryptedRecord as T;
}
static decryptRecord<T extends Record<string, unknown>>(
tableName: string,
record: T,
userId: string,
userDataKey: Buffer,
): T {
if (!record) return record;
const decryptedRecord: Record<string, unknown> = { ...record };
const recordId = record.id;
for (const [fieldName, value] of Object.entries(record)) {
if (FieldCrypto.shouldEncryptField(tableName, fieldName) && value) {
decryptedRecord[fieldName] = LazyFieldEncryption.safeGetFieldValue(
value as string,
userDataKey,
recordId as string,
fieldName,
);
}
}
return decryptedRecord as T;
}
static decryptRecords<T extends Record<string, unknown>>(
tableName: string,
records: T[],
userId: string,
userDataKey: Buffer,
): T[] {
if (!Array.isArray(records)) return records;
return records.map((record) =>
this.decryptRecord(tableName, record, userId, userDataKey),
);
}
static async migrateUserSensitiveFields(
userId: string,
userDataKey: Buffer,
db: DatabaseInstance,
): Promise<{
migrated: boolean;
migratedTables: string[];
migratedFieldsCount: number;
}> {
let migrated = false;
const migratedTables: string[] = [];
let migratedFieldsCount = 0;
try {
const { needsMigration } =
await LazyFieldEncryption.checkUserNeedsMigration(
userId,
userDataKey,
db,
);
if (!needsMigration) {
return { migrated: false, migratedTables: [], migratedFieldsCount: 0 };
}
const sshDataRecords = db
.prepare("SELECT * FROM ssh_data WHERE user_id = ?")
.all(userId) as DatabaseRecord[];
for (const record of sshDataRecords) {
const sensitiveFields =
LazyFieldEncryption.getSensitiveFieldsForTable("ssh_data");
const { updatedRecord, migratedFields, needsUpdate } =
LazyFieldEncryption.migrateRecordSensitiveFields(
record,
sensitiveFields,
userDataKey,
record.id.toString(),
);
if (needsUpdate) {
const updateQuery = `
UPDATE ssh_data
SET password = ?, key = ?, key_password = ?, key_type = ?, autostart_password = ?, autostart_key = ?, autostart_key_password = ?, updated_at = CURRENT_TIMESTAMP
WHERE id = ?
`;
db.prepare(updateQuery).run(
updatedRecord.password || null,
updatedRecord.key || null,
updatedRecord.key_password || updatedRecord.keyPassword || null,
updatedRecord.keyType || null,
updatedRecord.autostartPassword || null,
updatedRecord.autostartKey || null,
updatedRecord.autostartKeyPassword || null,
record.id,
);
migratedFieldsCount += migratedFields.length;
if (!migratedTables.includes("ssh_data")) {
migratedTables.push("ssh_data");
}
migrated = true;
}
}
const sshCredentialsRecords = db
.prepare("SELECT * FROM ssh_credentials WHERE user_id = ?")
.all(userId) as DatabaseRecord[];
for (const record of sshCredentialsRecords) {
const sensitiveFields =
LazyFieldEncryption.getSensitiveFieldsForTable("ssh_credentials");
const { updatedRecord, migratedFields, needsUpdate } =
LazyFieldEncryption.migrateRecordSensitiveFields(
record,
sensitiveFields,
userDataKey,
record.id.toString(),
);
if (needsUpdate) {
const updateQuery = `
UPDATE ssh_credentials
SET password = ?, key = ?, key_password = ?, private_key = ?, public_key = ?, key_type = ?, updated_at = CURRENT_TIMESTAMP
WHERE id = ?
`;
db.prepare(updateQuery).run(
updatedRecord.password || null,
updatedRecord.key || null,
updatedRecord.key_password || updatedRecord.keyPassword || null,
updatedRecord.private_key || updatedRecord.privateKey || null,
updatedRecord.public_key || updatedRecord.publicKey || null,
updatedRecord.keyType || null,
record.id,
);
migratedFieldsCount += migratedFields.length;
if (!migratedTables.includes("ssh_credentials")) {
migratedTables.push("ssh_credentials");
}
migrated = true;
}
}
const userRecord = db
.prepare("SELECT * FROM users WHERE id = ?")
.get(userId) as DatabaseRecord | undefined;
if (userRecord) {
const sensitiveFields =
LazyFieldEncryption.getSensitiveFieldsForTable("users");
const { updatedRecord, migratedFields, needsUpdate } =
LazyFieldEncryption.migrateRecordSensitiveFields(
userRecord,
sensitiveFields,
userDataKey,
userId,
);
if (needsUpdate) {
const updateQuery = `
UPDATE users
SET totp_secret = ?, totp_backup_codes = ?, client_secret = ?, oidc_identifier = ?
WHERE id = ?
`;
db.prepare(updateQuery).run(
updatedRecord.totp_secret || updatedRecord.totpSecret || null,
updatedRecord.totp_backup_codes ||
updatedRecord.totpBackupCodes ||
null,
updatedRecord.client_secret || updatedRecord.clientSecret || null,
updatedRecord.oidc_identifier ||
updatedRecord.oidcIdentifier ||
null,
userId,
);
migratedFieldsCount += migratedFields.length;
if (!migratedTables.includes("users")) {
migratedTables.push("users");
}
migrated = true;
}
}
return { migrated, migratedTables, migratedFieldsCount };
} catch (error) {
databaseLogger.error("User sensitive fields migration failed", error, {
operation: "user_sensitive_migration_failed",
userId,
error: error instanceof Error ? error.message : "Unknown error",
});
return { migrated: false, migratedTables: [], migratedFieldsCount: 0 };
}
}
static getUserDataKey(userId: string): Buffer | null {
return this.userCrypto.getUserDataKey(userId);
}
static async reencryptUserDataAfterPasswordReset(
userId: string,
newUserDataKey: Buffer,
db: DatabaseInstance,
): Promise<{
success: boolean;
reencryptedTables: string[];
reencryptedFieldsCount: number;
errors: string[];
}> {
const result = {
success: false,
reencryptedTables: [] as string[],
reencryptedFieldsCount: 0,
errors: [] as string[],
};
try {
const tablesToReencrypt = [
{
table: "ssh_data",
fields: [
"password",
"key",
"key_password",
"keyPassword",
"keyType",
"autostartPassword",
"autostartKey",
"autostartKeyPassword",
],
},
{
table: "ssh_credentials",
fields: [
"password",
"private_key",
"privateKey",
"key_password",
"keyPassword",
"key",
"public_key",
"publicKey",
"keyType",
],
},
{
table: "users",
fields: [
"client_secret",
"clientSecret",
"totp_secret",
"totpSecret",
"totp_backup_codes",
"totpBackupCodes",
"oidc_identifier",
"oidcIdentifier",
],
},
];
for (const { table, fields } of tablesToReencrypt) {
try {
const records = db
.prepare(`SELECT * FROM ${table} WHERE user_id = ?`)
.all(userId) as DatabaseRecord[];
for (const record of records) {
const recordId = record.id.toString();
const updatedRecord: DatabaseRecord = { ...record };
let needsUpdate = false;
for (const fieldName of fields) {
const fieldValue = record[fieldName];
if (
fieldValue &&
typeof fieldValue === "string" &&
fieldValue.trim() !== ""
) {
try {
const reencryptedValue = FieldCrypto.encryptField(
fieldValue,
newUserDataKey,
recordId,
fieldName,
);
updatedRecord[fieldName] = reencryptedValue;
needsUpdate = true;
result.reencryptedFieldsCount++;
} catch (error) {
const errorMsg = `Failed to re-encrypt ${fieldName} for ${table} record ${recordId}: ${error instanceof Error ? error.message : "Unknown error"}`;
result.errors.push(errorMsg);
databaseLogger.warn(
"Field re-encryption failed during password reset",
{
operation: "password_reset_reencrypt_failed",
userId,
table,
recordId,
fieldName,
error:
error instanceof Error
? error.message
: "Unknown error",
},
);
}
}
}
if (needsUpdate) {
const updateFields = fields.filter(
(field) => updatedRecord[field] !== record[field],
);
if (updateFields.length > 0) {
const updateQuery = `UPDATE ${table} SET ${updateFields.map((f) => `${f} = ?`).join(", ")}, updated_at = CURRENT_TIMESTAMP WHERE id = ?`;
const updateValues = updateFields.map(
(field) => updatedRecord[field],
);
updateValues.push(record.id);
db.prepare(updateQuery).run(...updateValues);
if (!result.reencryptedTables.includes(table)) {
result.reencryptedTables.push(table);
}
}
}
}
} catch (tableError) {
const errorMsg = `Failed to re-encrypt table ${table}: ${tableError instanceof Error ? tableError.message : "Unknown error"}`;
result.errors.push(errorMsg);
databaseLogger.error(
"Table re-encryption failed during password reset",
tableError,
{
operation: "password_reset_table_reencrypt_failed",
userId,
table,
error:
tableError instanceof Error
? tableError.message
: "Unknown error",
},
);
}
}
result.success = result.errors.length === 0;
databaseLogger.info(
"User data re-encryption completed after password reset",
{
operation: "password_reset_reencrypt_completed",
userId,
success: result.success,
reencryptedTables: result.reencryptedTables,
reencryptedFieldsCount: result.reencryptedFieldsCount,
errorsCount: result.errors.length,
},
);
return result;
} catch (error) {
databaseLogger.error(
"User data re-encryption failed after password reset",
error,
{
operation: "password_reset_reencrypt_failed",
userId,
error: error instanceof Error ? error.message : "Unknown error",
},
);
result.errors.push(
`Critical error during re-encryption: ${error instanceof Error ? error.message : "Unknown error"}`,
);
return result;
}
}
static validateUserAccess(userId: string): Buffer {
const userDataKey = this.getUserDataKey(userId);
if (!userDataKey) {
throw new Error(`User ${userId} data not unlocked`);
}
return userDataKey;
}
static encryptRecordForUser<T extends Record<string, unknown>>(
tableName: string,
record: T,
userId: string,
): T {
const userDataKey = this.validateUserAccess(userId);
return this.encryptRecord(tableName, record, userId, userDataKey);
}
static decryptRecordForUser<T extends Record<string, unknown>>(
tableName: string,
record: T,
userId: string,
): T {
const userDataKey = this.validateUserAccess(userId);
return this.decryptRecord(tableName, record, userId, userDataKey);
}
static decryptRecordsForUser<T extends Record<string, unknown>>(
tableName: string,
records: T[],
userId: string,
): T[] {
const userDataKey = this.validateUserAccess(userId);
return this.decryptRecords(tableName, records, userId, userDataKey);
}
static canUserAccessData(userId: string): boolean {
return this.userCrypto.isUserUnlocked(userId);
}
static testUserEncryption(userId: string): boolean {
try {
const userDataKey = this.getUserDataKey(userId);
if (!userDataKey) return false;
const testData = "test-" + Date.now();
const encrypted = FieldCrypto.encryptField(
testData,
userDataKey,
"test-record",
"test-field",
);
const decrypted = FieldCrypto.decryptField(
encrypted,
userDataKey,
"test-record",
"test-field",
);
return decrypted === testData;
} catch {
return false;
}
}
}
export { DataCrypto };