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metamask-extension/development/build/config.js

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const path = require('path');
const { readFile } = require('fs/promises');
const ini = require('ini');
const { BuildType } = require('../lib/build-type');
/**
* Get configuration for non-production builds.
*
* @returns {object} The production configuration.
*/
async function getConfig() {
const configPath = path.resolve(__dirname, '..', '..', '.metamaskrc');
let configContents = '';
try {
configContents = await readFile(configPath, {
encoding: 'utf8',
});
} catch (error) {
if (error.code !== 'ENOENT') {
throw error;
}
}
return {
COLLECTIBLES_V1: process.env.COLLECTIBLES_V1,
INFURA_PROJECT_ID: process.env.INFURA_PROJECT_ID,
ONBOARDING_V2: process.env.ONBOARDING_V2,
PHISHING_WARNING_PAGE_URL: process.env.PHISHING_WARNING_PAGE_URL,
PUBNUB_PUB_KEY: process.env.PUBNUB_PUB_KEY,
PUBNUB_SUB_KEY: process.env.PUBNUB_SUB_KEY,
SEGMENT_HOST: process.env.SEGMENT_HOST,
SEGMENT_WRITE_KEY: process.env.SEGMENT_WRITE_KEY,
SENTRY_DSN_DEV:
process.env.SENTRY_DSN_DEV ??
'https://f59f3dd640d2429d9d0e2445a87ea8e1@sentry.io/273496',
SIWE_V1: process.env.SIWE_V1,
SWAPS_USE_DEV_APIS: process.env.SWAPS_USE_DEV_APIS,
...ini.parse(configContents),
};
}
/**
* Get configuration for production builds and perform validation.
*
* This function validates that all required variables are present, and that
* the production configuration file doesn't include any extraneous entries.
*
* @param {BuildType} buildType - The current build type (e.g. "main", "flask",
* etc.).
* @returns {object} The production configuration.
*/
async function getProductionConfig(buildType) {
const prodConfigPath = path.resolve(__dirname, '..', '..', '.metamaskprodrc');
let prodConfigContents = '';
try {
prodConfigContents = await readFile(prodConfigPath, {
encoding: 'utf8',
});
} catch (error) {
if (error.code !== 'ENOENT') {
throw error;
}
}
const prodConfig = {
INFURA_BETA_PROJECT_ID: process.env.INFURA_BETA_PROJECT_ID,
INFURA_FLASK_PROJECT_ID: process.env.INFURA_FLASK_PROJECT_ID,
INFURA_PROD_PROJECT_ID: process.env.INFURA_PROD_PROJECT_ID,
PUBNUB_PUB_KEY: process.env.PUBNUB_PUB_KEY,
PUBNUB_SUB_KEY: process.env.PUBNUB_SUB_KEY,
SEGMENT_BETA_WRITE_KEY: process.env.SEGMENT_BETA_WRITE_KEY,
SEGMENT_FLASK_WRITE_KEY: process.env.SEGMENT_FLASK_WRITE_KEY,
SEGMENT_PROD_WRITE_KEY: process.env.SEGMENT_PROD_WRITE_KEY,
SENTRY_DSN: process.env.SENTRY_DSN,
...ini.parse(prodConfigContents),
};
const requiredEnvironmentVariables = {
all: ['PUBNUB_PUB_KEY', 'PUBNUB_SUB_KEY', 'SENTRY_DSN'],
[BuildType.beta]: ['INFURA_BETA_PROJECT_ID', 'SEGMENT_BETA_WRITE_KEY'],
[BuildType.flask]: ['INFURA_FLASK_PROJECT_ID', 'SEGMENT_FLASK_WRITE_KEY'],
[BuildType.main]: ['INFURA_PROD_PROJECT_ID', 'SEGMENT_PROD_WRITE_KEY'],
};
for (const required of [
...requiredEnvironmentVariables.all,
...requiredEnvironmentVariables[buildType],
]) {
if (!prodConfig[required]) {
throw new Error(`Missing '${required}' environment variable`);
}
}
const allValid = Object.values(requiredEnvironmentVariables).flat();
for (const environmentVariable of Object.keys(prodConfig)) {
if (!allValid.includes(environmentVariable)) {
throw new Error(`Invalid environment variable: '${environmentVariable}'`);
}
}
return prodConfig;
}
module.exports = { getConfig, getProductionConfig };