@allan1361/iota-big3-sdk-middleware/dist/security/input-validator.js

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.InputValidator = void 0;
const tslib_1 = require("tslib");
const joi_1 = tslib_1.__importDefault(require("joi"));
class InputValidator {
    constructor(config = {}, logger) {
        this.schemas = new Map();
        this.violations = [];
        this.config = {
            enabled: true,
            stripUnknown: true,
            abortEarly: false,
            allowUnknown: false,
            context: {},
            errorFormatter: this.defaultErrorFormatter,
            ...config
        };
        this.logger = logger;
    }
    registerSchema() {
        this?.schemas?.set(route, schemas);
    }
    validate() {
        return async (req, res, next) => {
            if (!this?.config?.enabled) {
                return next();
            }
            try {
                const errors = [];
                if (this.isEnabled) {
                    const result = await this.validateDataAsync(req.body, schemas.body, 'body');
                    if (result.error)
                        errors.push(result.error);
                    else
                        req.body = result.value;
                }
                if (this.isEnabled) {
                    const result = await this.validateDataAsync(req.query, schemas.query, 'query');
                    if (result.error)
                        errors.push(result.error);
                    else
                        req.query = result.value;
                }
                if (this.isEnabled) {
                    const result = await this.validateDataAsync(req.params, schemas.params, 'params');
                    if (result.error)
                        errors.push(result.error);
                    else
                        req.params = result.value;
                }
                if (this.isEnabled) {
                    const result = await this.validateDataAsync(req.headers, schemas.headers, 'headers');
                    if (result.error)
                        errors.push(result.error);
                }
                if (errors.length > 0) {
                    const formattedErrors = errors.map(err => this?.config?.errorFormatter(err));
                    this.logger?.warn('Input validation failed', {
                        errors: formattedErrors,
                        path: req.path,
                        method: req.method
                    });
                    return res.status(400).json({
                        error: 'Validation failed',
                        code: 'VALIDATION_ERROR',
                        details: formattedErrors
                    });
                }
                next();
            }
            catch (_error) {
                this.logger?.error('Validation middleware error', { error: error.message });
                next(error);
            }
        };
    }
    async validateDataAsync(data, schema, source) {
        try {
            const value = await schema.validateAsync(data, {
                abortEarly: this?.config?.abortEarly,
                stripUnknown: this?.config?.stripUnknown,
                allowUnknown: this?.config?.allowUnknown
            });
            return { success: true, data: value };
        }
        catch (error) {
            if (error instanceof Error) {
                this.violations.push({
                    field: source,
                    message: error.message,
                    value: data
                });
                return { success: false, error: error };
            }
            return { success: false, error: new Error('Unknown validation error') };
        }
    }
    defaultErrorFormatter(error) {
        return {
            source: error.details[0]?.context?.source || 'unknown',
            errors: error?.details?.map(detail => ({
                field: detail?.path?.join('.'),
                message: detail.message,
                type: detail.type
            }))
        };
    }
    static createValidator(name, validator) {
        return joi_1.default.extend((joi) => ({
            type: name,
            base: joi.any(),
            validate() {
                return validator(value, helpers);
            }
        }));
    }
}
exports.InputValidator = InputValidator;
InputValidator.schemas = {
    id: joi_1.default.string().uuid().required(),
    email: joi_1.default.string().email().required(),
    password: joi_1.default.string().min(8).max(128).required(),
    username: joi_1.default.string().alphanum().min(3).max(30).required(),
    phone: joi_1.default.string().pattern(/^\+?[1-9]\d{1,14}$/),
    url: joi_1.default.string().uri(),
    pagination: {
        page: joi_1.default.number().integer().min(1).default(1),
        limit: joi_1.default.number().integer().min(1).max(100).default(20),
        sort: joi_1.default.string().valid('asc', 'desc').default('asc'),
        sortBy: joi_1.default.string()
    },
    createUser: {
        body: joi_1.default.object({
            email: joi_1.default.string().email().required(),
            password: joi_1.default.string().min(8).pattern(/^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]/).required(),
            username: joi_1.default.string().alphanum().min(3).max(30),
            firstName: joi_1.default.string().max(50),
            lastName: joi_1.default.string().max(50),
            roles: joi_1.default.array().items(joi_1.default.string().valid('user', 'admin', 'moderator')).default(['user'])
        })
    },
    updateUser: {
        body: joi_1.default.object({
            email: joi_1.default.string().email(),
            username: joi_1.default.string().alphanum().min(3).max(30),
            firstName: joi_1.default.string().max(50),
            lastName: joi_1.default.string().max(50),
            roles: joi_1.default.array().items(joi_1.default.string().valid('user', 'admin', 'moderator'))
        }).min(1)
    },
    login: {
        body: joi_1.default.object({
            email: joi_1.default.string().email().required(),
            password: joi_1.default.string().required(),
            remember: joi_1.default.boolean().default(false)
        })
    }
};
InputValidator.sanitizers = {
    trim: (value) => value?.trim(),
    lowercase: (value) => value?.toLowerCase(),
    uppercase: (value) => value?.toUpperCase(),
    escape: (value) => value?.replace(/[<>&'"]/g, (char) => {
        const entities = {
            '<': '&lt;',
            '>': '&gt;',
            '&': '&amp;',
            "'": '&#39;',
            '"': '&quot;'
        };
        return entities[char];
    }),
    normalizeEmail: (value) => {
        if (!value)
            return value;
        const [local, domain] = value.split('@');
        return `${local.toLowerCase()}@${domain.toLowerCase()}`;
    }
};
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