@dcl/platform-server-commons/dist/controllers/handlers/eth-address-normalizer-middleware.js

Platform's Http Server Common utils

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.ethAddressNormalizerMiddleware = void 0;
const schemas_1 = require("@dcl/schemas");
/**
 * Middleware that automatically converts Ethereum addresses to lowercase in URL parameters
 * This middleware detects parameters that match the Ethereum address pattern and normalizes them
 */
function ethAddressNormalizerMiddleware() {
    return async function (ctx, next) {
        if (!ctx.params || typeof ctx.params !== 'object') {
            return await next();
        }
        // Check each parameter to see if it's an Ethereum address
        for (const [key, value] of Object.entries(ctx.params)) {
            // Ensure the value is a string before validation and conversion
            if (typeof value === 'string' && schemas_1.EthAddress.validate(value)) {
                // Convert to lowercase if it's an Ethereum address
                ctx.params[key] = value.toLowerCase();
            }
        }
        // Call the next middleware/handler with the normalized context
        return await next();
    };
}
exports.ethAddressNormalizerMiddleware = ethAddressNormalizerMiddleware;
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