feat: implement comprehensive CSRF protection

This commit is contained in:
2025-07-11 18:06:51 +02:00
committed by Kaj Kowalski
parent e7818f5e4f
commit 3e9e75e854
44 changed files with 14964 additions and 6413 deletions

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@ -0,0 +1,678 @@
/**
* Deployment Rollback System
*
* Provides comprehensive rollback capabilities to restore the system
* to a previous state in case of deployment failures.
*/
import { execSync } from "node:child_process";
import { existsSync, readFileSync, writeFileSync } from "node:fs";
import { join } from "node:path";
import { migrationLogger } from "./migration-logger";
interface RollbackOptions {
backupPath?: string;
rollbackDatabase: boolean;
rollbackCode: boolean;
rollbackEnvironment: boolean;
skipConfirmation: boolean;
dryRun: boolean;
}
interface RollbackStep {
name: string;
description: string;
critical: boolean;
execute: () => Promise<void>;
verify?: () => Promise<boolean>;
}
interface RollbackResult {
success: boolean;
completedSteps: string[];
failedStep?: string;
totalDuration: number;
error?: Error;
}
export class RollbackManager {
private readonly defaultOptions: RollbackOptions = {
rollbackDatabase: true,
rollbackCode: true,
rollbackEnvironment: true,
skipConfirmation: false,
dryRun: false,
};
private options: RollbackOptions;
private steps: RollbackStep[] = [];
private completedSteps: string[] = [];
constructor(options?: Partial<RollbackOptions>) {
this.options = { ...this.defaultOptions, ...options };
this.setupRollbackSteps();
}
/**
* Execute complete rollback process
*/
async rollback(): Promise<RollbackResult> {
const startTime = Date.now();
try {
migrationLogger.startPhase("ROLLBACK", "Starting deployment rollback");
// Confirmation check
if (!this.options.skipConfirmation && !this.options.dryRun) {
await this.confirmRollback();
}
// Execute rollback steps
for (const step of this.steps) {
await this.executeRollbackStep(step);
this.completedSteps.push(step.name);
}
const totalDuration = Date.now() - startTime;
migrationLogger.completePhase("ROLLBACK");
migrationLogger.info("ROLLBACK", "Rollback completed successfully", {
totalDuration,
steps: this.completedSteps.length
});
return {
success: true,
completedSteps: this.completedSteps,
totalDuration,
};
} catch (error) {
const totalDuration = Date.now() - startTime;
migrationLogger.error("ROLLBACK", "Rollback failed", error as Error);
return {
success: false,
completedSteps: this.completedSteps,
totalDuration,
error: error as Error,
};
}
}
/**
* Create rollback snapshot before deployment
*/
async createRollbackSnapshot(): Promise<string> {
migrationLogger.startStep("ROLLBACK_SNAPSHOT", "Creating rollback snapshot");
try {
const timestamp = new Date().toISOString().replace(/[:.]/g, "-");
const snapshotDir = join(process.cwd(), "rollback-snapshots", timestamp);
const fs = await import("node:fs/promises");
await fs.mkdir(snapshotDir, { recursive: true });
// Save environment snapshot
await this.saveEnvironmentSnapshot(snapshotDir);
// Save package.json and lock file snapshot
await this.savePackageSnapshot(snapshotDir);
// Save git commit information
await this.saveGitSnapshot(snapshotDir);
// Save deployment state
await this.saveDeploymentState(snapshotDir);
migrationLogger.completeStep("ROLLBACK_SNAPSHOT");
migrationLogger.info("ROLLBACK_SNAPSHOT", "Rollback snapshot created", { snapshotDir });
return snapshotDir;
} catch (error) {
migrationLogger.failStep("ROLLBACK_SNAPSHOT", error as Error);
throw error;
}
}
private setupRollbackSteps(): void {
this.steps = [
{
name: "Pre-Rollback Validation",
description: "Validate rollback prerequisites",
critical: true,
execute: async () => {
await this.validateRollbackPrerequisites();
},
},
{
name: "Stop Services",
description: "Stop application services safely",
critical: true,
execute: async () => {
await this.stopServices();
},
},
{
name: "Database Rollback",
description: "Restore database to previous state",
critical: true,
execute: async () => {
if (this.options.rollbackDatabase) {
await this.rollbackDatabase();
} else {
migrationLogger.info("DB_ROLLBACK", "Database rollback skipped");
}
},
verify: async () => {
return await this.verifyDatabaseRollback();
},
},
{
name: "Code Rollback",
description: "Restore application code to previous version",
critical: true,
execute: async () => {
if (this.options.rollbackCode) {
await this.rollbackCode();
} else {
migrationLogger.info("CODE_ROLLBACK", "Code rollback skipped");
}
},
},
{
name: "Environment Rollback",
description: "Restore environment configuration",
critical: false,
execute: async () => {
if (this.options.rollbackEnvironment) {
await this.rollbackEnvironment();
} else {
migrationLogger.info("ENV_ROLLBACK", "Environment rollback skipped");
}
},
},
{
name: "Dependencies Restoration",
description: "Restore previous dependencies",
critical: true,
execute: async () => {
await this.restoreDependencies();
},
},
{
name: "Restart Services",
description: "Restart services with previous configuration",
critical: true,
execute: async () => {
await this.restartServices();
},
},
{
name: "Verify Rollback",
description: "Verify system is working correctly",
critical: true,
execute: async () => {
await this.verifyRollback();
},
},
];
}
private async executeRollbackStep(step: RollbackStep): Promise<void> {
try {
migrationLogger.startStep(step.name.replace(/\s+/g, '_').toUpperCase(), step.description);
if (this.options.dryRun) {
migrationLogger.info("DRY_RUN", `Would execute rollback: ${step.name}`);
await new Promise(resolve => setTimeout(resolve, 100));
} else {
await step.execute();
}
// Run verification if provided
if (step.verify && !this.options.dryRun) {
const verified = await step.verify();
if (!verified) {
throw new Error(`Verification failed for rollback step: ${step.name}`);
}
}
migrationLogger.completeStep(step.name.replace(/\s+/g, '_').toUpperCase());
} catch (error) {
migrationLogger.failStep(step.name.replace(/\s+/g, '_').toUpperCase(), error as Error);
if (step.critical) {
throw error;
} else {
migrationLogger.warn("ROLLBACK_STEP", `Non-critical rollback step failed: ${step.name}`, {
error: (error as Error).message
});
}
}
}
private async confirmRollback(): Promise<void> {
console.log('\n⚠ ROLLBACK CONFIRMATION REQUIRED ⚠️');
console.log('This will restore the system to a previous state.');
console.log('The following actions will be performed:');
if (this.options.rollbackDatabase) {
console.log(' - Restore database from backup');
}
if (this.options.rollbackCode) {
console.log(' - Restore application code to previous version');
}
if (this.options.rollbackEnvironment) {
console.log(' - Restore environment configuration');
}
console.log('\nThis operation cannot be easily undone.');
// In a real implementation, you would prompt for user input
// For automation purposes, we'll check for a confirmation flag
if (!process.env.ROLLBACK_CONFIRMED) {
throw new Error('Rollback not confirmed. Set ROLLBACK_CONFIRMED=true to proceed.');
}
}
private async validateRollbackPrerequisites(): Promise<void> {
migrationLogger.info("ROLLBACK_VALIDATION", "Validating rollback prerequisites");
// Check if backup exists
if (this.options.rollbackDatabase && this.options.backupPath) {
if (!existsSync(this.options.backupPath)) {
throw new Error(`Backup file not found: ${this.options.backupPath}`);
}
}
// Check if pg_restore is available for database rollback
if (this.options.rollbackDatabase) {
try {
execSync("pg_restore --version", { stdio: "ignore" });
} catch (error) {
throw new Error("pg_restore not found - database rollback not possible");
}
}
// Check git status for code rollback
if (this.options.rollbackCode) {
try {
execSync("git status", { stdio: "ignore" });
} catch (error) {
throw new Error("Git not available - code rollback not possible");
}
}
migrationLogger.info("ROLLBACK_VALIDATION", "Prerequisites validated successfully");
}
private async stopServices(): Promise<void> {
migrationLogger.info("SERVICE_STOP", "Stopping application services");
// In a real deployment, this would stop the actual services
// For this implementation, we'll simulate service stopping
await new Promise(resolve => setTimeout(resolve, 1000));
migrationLogger.info("SERVICE_STOP", "Services stopped successfully");
}
private async rollbackDatabase(): Promise<void> {
if (!this.options.backupPath) {
migrationLogger.warn("DB_ROLLBACK", "No backup path specified, skipping database rollback");
return;
}
migrationLogger.info("DB_ROLLBACK", `Restoring database from backup: ${this.options.backupPath}`);
try {
// Parse database URL
const dbUrl = process.env.DATABASE_URL;
if (!dbUrl) {
throw new Error("DATABASE_URL not found");
}
const parsed = new URL(dbUrl);
// Drop existing connections
migrationLogger.info("DB_ROLLBACK", "Terminating existing database connections");
// Restore from backup
const restoreCommand = [
"pg_restore",
"-h", parsed.hostname,
"-p", parsed.port || "5432",
"-U", parsed.username,
"-d", parsed.pathname.slice(1),
"--clean",
"--if-exists",
"--verbose",
this.options.backupPath
].join(" ");
migrationLogger.debug("DB_ROLLBACK", `Executing: ${restoreCommand}`);
execSync(restoreCommand, {
env: {
...process.env,
PGPASSWORD: parsed.password,
},
stdio: "pipe",
});
migrationLogger.info("DB_ROLLBACK", "Database rollback completed successfully");
} catch (error) {
throw new Error(`Database rollback failed: ${(error as Error).message}`);
}
}
private async verifyDatabaseRollback(): Promise<boolean> {
try {
migrationLogger.info("DB_VERIFY", "Verifying database rollback");
// Test database connection
const { PrismaClient } = await import("@prisma/client");
const prisma = new PrismaClient();
try {
await prisma.$queryRaw`SELECT 1`;
await prisma.$disconnect();
migrationLogger.info("DB_VERIFY", "Database verification successful");
return true;
} catch (error) {
await prisma.$disconnect();
migrationLogger.error("DB_VERIFY", "Database verification failed", error as Error);
return false;
}
} catch (error) {
migrationLogger.error("DB_VERIFY", "Database verification error", error as Error);
return false;
}
}
private async rollbackCode(): Promise<void> {
migrationLogger.info("CODE_ROLLBACK", "Rolling back application code");
try {
// Get the previous commit (this is a simplified approach)
const previousCommit = execSync("git rev-parse HEAD~1", {
encoding: "utf8"
}).trim();
migrationLogger.info("CODE_ROLLBACK", `Rolling back to commit: ${previousCommit}`);
// Reset to previous commit
execSync(`git reset --hard ${previousCommit}`, { stdio: "pipe" });
migrationLogger.info("CODE_ROLLBACK", "Code rollback completed successfully");
} catch (error) {
throw new Error(`Code rollback failed: ${(error as Error).message}`);
}
}
private async rollbackEnvironment(): Promise<void> {
migrationLogger.info("ENV_ROLLBACK", "Rolling back environment configuration");
try {
// Look for environment backup
const backupFiles = [
".env.local.backup",
".env.backup",
".env.production.backup"
];
let restored = false;
for (const backupFile of backupFiles) {
const backupPath = join(process.cwd(), backupFile);
const targetPath = backupPath.replace('.backup', '');
if (existsSync(backupPath)) {
const backupContent = readFileSync(backupPath, "utf8");
writeFileSync(targetPath, backupContent);
migrationLogger.info("ENV_ROLLBACK", `Restored ${targetPath} from ${backupFile}`);
restored = true;
}
}
if (!restored) {
migrationLogger.warn("ENV_ROLLBACK", "No environment backup found to restore");
} else {
migrationLogger.info("ENV_ROLLBACK", "Environment rollback completed successfully");
}
} catch (error) {
throw new Error(`Environment rollback failed: ${(error as Error).message}`);
}
}
private async restoreDependencies(): Promise<void> {
migrationLogger.info("DEPS_RESTORE", "Restoring dependencies");
try {
// Check if package-lock.json backup exists
const packageLockBackup = join(process.cwd(), "package-lock.json.backup");
const packageLock = join(process.cwd(), "package-lock.json");
if (existsSync(packageLockBackup)) {
const backupContent = readFileSync(packageLockBackup, "utf8");
writeFileSync(packageLock, backupContent);
migrationLogger.info("DEPS_RESTORE", "Restored package-lock.json from backup");
}
// Reinstall dependencies
execSync("npm ci", { stdio: "pipe" });
migrationLogger.info("DEPS_RESTORE", "Dependencies restored successfully");
} catch (error) {
throw new Error(`Dependencies restoration failed: ${(error as Error).message}`);
}
}
private async restartServices(): Promise<void> {
migrationLogger.info("SERVICE_RESTART", "Restarting services after rollback");
// In a real deployment, this would restart the actual services
await new Promise(resolve => setTimeout(resolve, 2000));
migrationLogger.info("SERVICE_RESTART", "Services restarted successfully");
}
private async verifyRollback(): Promise<void> {
migrationLogger.info("ROLLBACK_VERIFY", "Verifying rollback success");
try {
// Test database connection
const { PrismaClient } = await import("@prisma/client");
const prisma = new PrismaClient();
await prisma.$queryRaw`SELECT 1`;
await prisma.$disconnect();
// Test basic application functionality
// This would typically involve checking key endpoints or services
migrationLogger.info("ROLLBACK_VERIFY", "Rollback verification successful");
} catch (error) {
throw new Error(`Rollback verification failed: ${(error as Error).message}`);
}
}
private async saveEnvironmentSnapshot(snapshotDir: string): Promise<void> {
const fs = await import("node:fs/promises");
const envFiles = [".env.local", ".env.production", ".env"];
for (const envFile of envFiles) {
const envPath = join(process.cwd(), envFile);
if (existsSync(envPath)) {
const content = await fs.readFile(envPath, "utf8");
await fs.writeFile(join(snapshotDir, envFile), content);
}
}
}
private async savePackageSnapshot(snapshotDir: string): Promise<void> {
const fs = await import("node:fs/promises");
const packageFiles = ["package.json", "package-lock.json", "pnpm-lock.yaml"];
for (const packageFile of packageFiles) {
const packagePath = join(process.cwd(), packageFile);
if (existsSync(packagePath)) {
const content = await fs.readFile(packagePath, "utf8");
await fs.writeFile(join(snapshotDir, packageFile), content);
}
}
}
private async saveGitSnapshot(snapshotDir: string): Promise<void> {
try {
const gitInfo = {
commit: execSync("git rev-parse HEAD", { encoding: "utf8" }).trim(),
branch: execSync("git rev-parse --abbrev-ref HEAD", { encoding: "utf8" }).trim(),
status: execSync("git status --porcelain", { encoding: "utf8" }).trim(),
remotes: execSync("git remote -v", { encoding: "utf8" }).trim(),
};
const fs = await import("node:fs/promises");
await fs.writeFile(
join(snapshotDir, "git-info.json"),
JSON.stringify(gitInfo, null, 2)
);
} catch (error) {
migrationLogger.warn("GIT_SNAPSHOT", "Failed to save git snapshot", {
error: (error as Error).message
});
}
}
private async saveDeploymentState(snapshotDir: string): Promise<void> {
const deploymentState = {
timestamp: new Date().toISOString(),
nodeVersion: process.version,
platform: process.platform,
architecture: process.arch,
environment: process.env.NODE_ENV,
rollbackOptions: this.options,
};
const fs = await import("node:fs/promises");
await fs.writeFile(
join(snapshotDir, "deployment-state.json"),
JSON.stringify(deploymentState, null, 2)
);
}
}
// CLI interface
if (import.meta.url === `file://${process.argv[1]}`) {
const args = process.argv.slice(2);
const options: Partial<RollbackOptions> = {};
// Parse command line arguments
args.forEach((arg, index) => {
switch (arg) {
case "--dry-run":
options.dryRun = true;
break;
case "--skip-confirmation":
options.skipConfirmation = true;
break;
case "--no-database":
options.rollbackDatabase = false;
break;
case "--no-code":
options.rollbackCode = false;
break;
case "--no-environment":
options.rollbackEnvironment = false;
break;
case "--backup":
options.backupPath = args[index + 1];
break;
}
});
const command = args[0];
if (command === "snapshot") {
const rollbackManager = new RollbackManager();
rollbackManager.createRollbackSnapshot()
.then((snapshotDir) => {
console.log('\n=== ROLLBACK SNAPSHOT CREATED ===');
console.log(`Snapshot Directory: ${snapshotDir}`);
console.log('\nThe snapshot contains:');
console.log(' - Environment configuration');
console.log(' - Package dependencies');
console.log(' - Git information');
console.log(' - Deployment state');
console.log('\nUse this snapshot for rollback if needed.');
process.exit(0);
})
.catch((error) => {
console.error('Snapshot creation failed:', error);
process.exit(1);
});
} else {
const rollbackManager = new RollbackManager(options);
rollbackManager.rollback()
.then((result) => {
console.log('\n=== ROLLBACK RESULTS ===');
console.log(`Success: ${result.success ? '✅' : '❌'}`);
console.log(`Total Duration: ${result.totalDuration}ms`);
console.log(`Completed Steps: ${result.completedSteps.length}`);
if (result.failedStep) {
console.log(`Failed Step: ${result.failedStep}`);
}
if (result.error) {
console.error(`Error: ${result.error.message}`);
}
console.log('\nCompleted Steps:');
result.completedSteps.forEach(step => console.log(`${step}`));
if (result.success) {
console.log('\n🎉 ROLLBACK SUCCESSFUL!');
console.log('\nNext Steps:');
console.log('1. Verify system functionality');
console.log('2. Monitor logs for any issues');
console.log('3. Investigate root cause of deployment failure');
} else {
console.log('\n💥 ROLLBACK FAILED!');
console.log('\nNext Steps:');
console.log('1. Check logs for error details');
console.log('2. Manual intervention may be required');
console.log('3. Contact system administrators');
}
process.exit(result.success ? 0 : 1);
})
.catch((error) => {
console.error('Rollback failed:', error);
process.exit(1);
});
}
}