Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 | /** * Input Validator - Comprehensive Input Validation * * Provides Zod-based validation schemas for all security-critical inputs. * * Security Properties: * - Type-safe validation * - Custom error messages * - Sanitization transforms * - Reusable schemas * * @module v3/security/input-validator */ import { z } from 'zod'; /** * Custom error map for security-focused messages */ const securityErrorMap: z.ZodErrorMap = (issue, ctx) => { switch (issue.code) { case z.ZodIssueCode.too_big: return { message: `Input exceeds maximum allowed size` }; case z.ZodIssueCode.too_small: return { message: `Input below minimum required size` }; case z.ZodIssueCode.invalid_string: if (issue.validation === 'email') { return { message: 'Invalid email format' }; } if (issue.validation === 'url') { return { message: 'Invalid URL format' }; } if (issue.validation === 'uuid') { return { message: 'Invalid UUID format' }; } return { message: 'Invalid string format' }; default: return { message: ctx.defaultError }; } }; // Apply custom error map globally for this module z.setErrorMap(securityErrorMap); /** * Common validation patterns as reusable regex */ const PATTERNS = { // Safe identifier: alphanumeric with underscore/hyphen SAFE_IDENTIFIER: /^[a-zA-Z][a-zA-Z0-9_-]*$/, // Safe filename: alphanumeric with dot, underscore, hyphen SAFE_FILENAME: /^[a-zA-Z0-9][a-zA-Z0-9._-]*$/, // Safe path segment: no traversal SAFE_PATH_SEGMENT: /^[^<>:"|?*\x00-\x1f]+$/, // No shell metacharacters NO_SHELL_CHARS: /^[^;&|`$(){}><\n\r\0]+$/, // Semantic version SEMVER: /^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-((?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$/, }; /** * Validation limits */ const LIMITS = { MIN_PASSWORD_LENGTH: 8, MAX_PASSWORD_LENGTH: 128, MAX_EMAIL_LENGTH: 254, MAX_IDENTIFIER_LENGTH: 64, MAX_PATH_LENGTH: 4096, MAX_CONTENT_LENGTH: 1024 * 1024, // 1MB MAX_ARRAY_LENGTH: 1000, MAX_OBJECT_KEYS: 100, }; // ============================================================================ // Base Validation Schemas // ============================================================================ /** * Safe string that cannot contain shell metacharacters */ export const SafeStringSchema = z.string() .min(1, 'String cannot be empty') .max(LIMITS.MAX_CONTENT_LENGTH, 'String too long') .regex(PATTERNS.NO_SHELL_CHARS, 'String contains invalid characters'); /** * Safe identifier for IDs, names, etc. */ export const IdentifierSchema = z.string() .min(1, 'Identifier cannot be empty') .max(LIMITS.MAX_IDENTIFIER_LENGTH, 'Identifier too long') .regex(PATTERNS.SAFE_IDENTIFIER, 'Invalid identifier format'); /** * Safe filename */ export const FilenameSchema = z.string() .min(1, 'Filename cannot be empty') .max(255, 'Filename too long') .regex(PATTERNS.SAFE_FILENAME, 'Invalid filename format'); /** * Email schema with length limit */ export const EmailSchema = z.string() .email('Invalid email format') .max(LIMITS.MAX_EMAIL_LENGTH, 'Email too long') .toLowerCase(); /** * Password schema with complexity requirements */ export const PasswordSchema = z.string() .min(LIMITS.MIN_PASSWORD_LENGTH, `Password must be at least ${LIMITS.MIN_PASSWORD_LENGTH} characters`) .max(LIMITS.MAX_PASSWORD_LENGTH, `Password must not exceed ${LIMITS.MAX_PASSWORD_LENGTH} characters`) .refine((val) => /[A-Z]/.test(val), 'Password must contain uppercase letter') .refine((val) => /[a-z]/.test(val), 'Password must contain lowercase letter') .refine((val) => /\d/.test(val), 'Password must contain digit'); /** * UUID schema */ export const UUIDSchema = z.string().uuid('Invalid UUID format'); /** * URL schema with HTTPS enforcement */ export const HttpsUrlSchema = z.string() .url('Invalid URL format') .refine( (val) => val.startsWith('https://'), 'URL must use HTTPS' ); /** * URL schema (allows HTTP for development) */ export const UrlSchema = z.string() .url('Invalid URL format'); /** * Semantic version schema */ export const SemverSchema = z.string() .regex(PATTERNS.SEMVER, 'Invalid semantic version format'); /** * Port number schema */ export const PortSchema = z.number() .int('Port must be an integer') .min(1, 'Port must be at least 1') .max(65535, 'Port must be at most 65535'); /** * IP address schema (v4) */ export const IPv4Schema = z.string() .ip({ version: 'v4', message: 'Invalid IPv4 address' }); /** * IP address schema (v4 or v6) */ export const IPSchema = z.string() .ip({ message: 'Invalid IP address' }); // ============================================================================ // Authentication Schemas // ============================================================================ /** * User role schema */ export const UserRoleSchema = z.enum([ 'admin', 'operator', 'developer', 'viewer', 'service', ]); /** * Permission schema */ export const PermissionSchema = z.enum([ 'swarm.create', 'swarm.read', 'swarm.update', 'swarm.delete', 'swarm.scale', 'agent.spawn', 'agent.read', 'agent.terminate', 'task.create', 'task.read', 'task.cancel', 'metrics.read', 'system.admin', 'api.access', ]); /** * Login request schema */ export const LoginRequestSchema = z.object({ email: EmailSchema, password: z.string().min(1, 'Password is required'), mfaCode: z.string().length(6, 'MFA code must be 6 digits').optional(), }); /** * User creation schema */ export const CreateUserSchema = z.object({ email: EmailSchema, password: PasswordSchema, role: UserRoleSchema, permissions: z.array(PermissionSchema).optional(), isActive: z.boolean().optional().default(true), }); /** * API key creation schema */ export const CreateApiKeySchema = z.object({ name: IdentifierSchema, permissions: z.array(PermissionSchema).optional(), expiresAt: z.date().optional(), }); // ============================================================================ // Agent & Task Schemas // ============================================================================ /** * Agent type schema */ export const AgentTypeSchema = z.enum([ 'coder', 'reviewer', 'tester', 'planner', 'researcher', 'security-architect', 'security-auditor', 'memory-specialist', 'swarm-specialist', 'integration-architect', 'performance-engineer', 'core-architect', 'test-architect', 'queen-coordinator', 'project-coordinator', ]); /** * Agent spawn request schema */ export const SpawnAgentSchema = z.object({ type: AgentTypeSchema, id: IdentifierSchema.optional(), config: z.record(z.unknown()).optional(), timeout: z.number().positive().optional(), }); /** * Task input schema */ export const TaskInputSchema = z.object({ taskId: UUIDSchema, content: SafeStringSchema.max(10000, 'Task content too long'), agentType: AgentTypeSchema, priority: z.enum(['low', 'medium', 'high', 'critical']).optional(), metadata: z.record(z.unknown()).optional(), }); // ============================================================================ // Command & Path Schemas // ============================================================================ /** * Command argument schema */ export const CommandArgumentSchema = z.string() .max(1024, 'Argument too long') .refine( (val) => !val.includes('\0'), 'Argument contains null byte' ) .refine( (val) => !/[;&|`$(){}><]/.test(val), 'Argument contains shell metacharacters' ); /** * Path schema */ export const PathSchema = z.string() .max(LIMITS.MAX_PATH_LENGTH, 'Path too long') .refine( (val) => !val.includes('\0'), 'Path contains null byte' ) .refine( (val) => !val.includes('..'), 'Path contains traversal pattern' ); // ============================================================================ // Configuration Schemas // ============================================================================ /** * Security configuration schema */ export const SecurityConfigSchema = z.object({ bcryptRounds: z.number().int().min(10).max(20).default(12), jwtExpiresIn: z.string().default('24h'), sessionTimeout: z.number().positive().default(3600000), maxLoginAttempts: z.number().int().positive().default(5), lockoutDuration: z.number().positive().default(900000), requireMFA: z.boolean().default(false), }); /** * Executor configuration schema */ export const ExecutorConfigSchema = z.object({ allowedCommands: z.array(IdentifierSchema).min(1), blockedPatterns: z.array(z.string()).optional(), timeout: z.number().positive().default(30000), maxBuffer: z.number().positive().default(10 * 1024 * 1024), cwd: PathSchema.optional(), allowSudo: z.boolean().default(false), }); // ============================================================================ // Sanitization Functions // ============================================================================ /** * Sanitizes a string by removing dangerous characters */ export function sanitizeString(input: string): string { return input .replace(/\0/g, '') // Remove null bytes .replace(/[<>]/g, '') // Remove HTML brackets .replace(/javascript:/gi, '') // Remove javascript: protocol .replace(/data:/gi, '') // Remove data: protocol .trim(); } /** * Sanitizes HTML entities */ export function sanitizeHtml(input: string): string { return input .replace(/&/g, '&') .replace(/</g, '<') .replace(/>/g, '>') .replace(/"/g, '"') .replace(/'/g, '''); } /** * Sanitizes a path by removing traversal patterns */ export function sanitizePath(input: string): string { return input .replace(/\0/g, '') // Remove null bytes .replace(/\.\./g, '') // Remove traversal patterns .replace(/\/+/g, '/') // Normalize slashes .replace(/^\//, '') // Remove leading slash .trim(); } // ============================================================================ // Validation Helper Class // ============================================================================ export class InputValidator { /** * Validates input against a schema */ static validate<T>(schema: z.ZodSchema<T>, input: unknown): T { return schema.parse(input); } /** * Safely validates input, returning result */ static safeParse<T>(schema: z.ZodSchema<T>, input: unknown): z.SafeParseReturnType<unknown, T> { return schema.safeParse(input); } /** * Validates email */ static validateEmail(email: string): string { return EmailSchema.parse(email); } /** * Validates password */ static validatePassword(password: string): string { return PasswordSchema.parse(password); } /** * Validates identifier */ static validateIdentifier(id: string): string { return IdentifierSchema.parse(id); } /** * Validates path */ static validatePath(path: string): string { return PathSchema.parse(path); } /** * Validates command argument */ static validateCommandArg(arg: string): string { return CommandArgumentSchema.parse(arg); } /** * Validates login request */ static validateLoginRequest(data: unknown): z.infer<typeof LoginRequestSchema> { return LoginRequestSchema.parse(data); } /** * Validates user creation request */ static validateCreateUser(data: unknown): z.infer<typeof CreateUserSchema> { return CreateUserSchema.parse(data); } /** * Validates task input */ static validateTaskInput(data: unknown): z.infer<typeof TaskInputSchema> { return TaskInputSchema.parse(data); } } // ============================================================================ // Export all schemas for direct use // ============================================================================ export { z, PATTERNS, LIMITS, }; |