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import * as path from 'path';

import * as core from '@actions/core';

import * as io from '@actions/io';

import * as fs from 'fs';

import * as os from 'os';

import {create as xmlCreate} from 'xmlbuilder2';

import * as constants from './constants';

import * as gpg from './gpg';

import {getBooleanInput} from './util';

export async function configureAuthentication() {

const id = core.getInput(constants.INPUT_SERVER_ID);

const username = core.getInput(constants.INPUT_SERVER_USERNAME);

const password = core.getInput(constants.INPUT_SERVER_PASSWORD);

const settingsDirectory =

core.getInput(constants.INPUT_SETTINGS_PATH) ||

path.join(os.homedir(), constants.M2_DIR);

const overwriteSettings = getBooleanInput(

constants.INPUT_OVERWRITE_SETTINGS,

true

);

const gpgPrivateKey =

core.getInput(constants.INPUT_GPG_PRIVATE_KEY) ||

constants.INPUT_DEFAULT_GPG_PRIVATE_KEY;

const gpgPassphrase =

core.getInput(constants.INPUT_GPG_PASSPHRASE) ||

(gpgPrivateKey ? constants.INPUT_DEFAULT_GPG_PASSPHRASE : undefined);

if (gpgPrivateKey) {

core.setSecret(gpgPrivateKey);

}

await createAuthenticationSettings(

id,

username,

password,

settingsDirectory,

overwriteSettings,

gpgPassphrase

);

if (gpgPrivateKey) {

core.info('Importing private gpg key');

const keyFingerprint = (await gpg.importKey(gpgPrivateKey)) || '';

core.saveState(constants.STATE_GPG_PRIVATE_KEY_FINGERPRINT, keyFingerprint);

}

}

export async function createAuthenticationSettings(

id: string,

username: string,

password: string,

settingsDirectory: string,

overwriteSettings: boolean,

gpgPassphrase: string | undefined = undefined

) {

core.info(`Creating ${constants.MVN_SETTINGS_FILE} with server-id: ${id}`);

// when an alternate m2 location is specified use only that location (no .m2 directory)

// otherwise use the home/.m2/ path

await io.mkdirP(settingsDirectory);

await write(

settingsDirectory,

generate(id, username, password, gpgPassphrase),

overwriteSettings

);

}

// only exported for testing purposes

export function generate(

id: string,

username: string,

password: string,

gpgPassphrase?: string | undefined

) {

const xmlObj: {[key: string]: any} = {

settings: {

'@xmlns': 'http://maven.apache.org/SETTINGS/1.0.0',

'@xmlns:xsi': 'http://www.w3.org/2001/XMLSchema-instance',

'@xsi:schemaLocation':

'http://maven.apache.org/SETTINGS/1.0.0 https://maven.apache.org/xsd/settings-1.0.0.xsd',

servers: {

server: [

{

id: id,

username: `\${env.${username}}`,

password: `\${env.${password}}`

}

]

}

}

};

if (gpgPassphrase) {

const gpgServer = {

id: 'gpg.passphrase',

passphrase: `\${env.${gpgPassphrase}}`

};

xmlObj.settings.servers.server.push(gpgServer);

}

return xmlCreate(xmlObj).end({

headless: true,

prettyPrint: true,

width: 80

});

}

async function write(

directory: string,

settings: string,

overwriteSettings: boolean

) {

const location = path.join(directory, constants.MVN_SETTINGS_FILE);

const settingsExists = fs.existsSync(location);

if (settingsExists && overwriteSettings) {

core.info(`Overwriting existing file ${location}`);

} else if (!settingsExists) {

core.info(`Writing to ${location}`);

} else {

core.info(

`Skipping generation ${location} because file already exists and overwriting is not required`

);

return;

}

return fs.writeFileSync(location, settings, {

encoding: 'utf-8',

flag: 'w'

});

}