begin cli parser

This commit is contained in:
AJ ONeal 2017-04-28 18:40:37 -06:00
parent 4fd5aa05de
commit c4cc619928
1 changed files with 144 additions and 0 deletions

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bin/cli.js Normal file
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'use strict';
var oauth3 = require('./oauth3.js');
var defaults = {
main: 'oauth3'
, provider: 'oauth3.org'
};
function parseArgs(argv, opts) {
var args = Array.prototype.slice.call(argv);
var sep = /[:\.\-]/;
args.shift(); // node
args.shift(); // oauth3.js
var command = args.shift() || 'help';
var cmdpair = command.split(sep);
var cmd = cmdpair[0];
var sub = cmdpair[1];
var COMMAND = 'COMMAND';
var maxCmdLen = COMMAND.length;
var maxPairLen = 0;
var cmds;
var arg1 = args[0];
// build commands list
var pairsMap = {};
cmds = opts.commands.filter(function (desc) {
var pair = desc[0].split(/\s+/)[0];
var psub = pair.split(sep)[0];
pairsMap[pair] = true;
maxPairLen = Math.max(maxPairLen, pair.length);
if (pair === psub) {
maxCmdLen = Math.max(maxCmdLen, psub.length);
return true;
}
});
if (-1 === Object.keys(pairsMap).indexOf(cmd)) {
console.log('fail', cmd);
arg1 = cmd;
cmd = 'help';
help();
}
function rpad(str, len) {
while (str.length < len) {
str += ' ';
}
return str;
}
function help() {
var status = 0;
function helpMain() {
console.log('');
console.log('Here are all the top-level commands:');
console.log('');
console.log('\t' + defaults.main + ' ' + rpad(COMMAND, maxCmdLen), ' # description');
console.log('\t' + '------------------------------');
cmds.forEach(function (desc) {
var pcmd = rpad(desc[0].split(/\s+/)[0], maxCmdLen);
var pdesc = desc[1];
console.log('\t' + defaults.main + ' ' + pcmd, ' # ' + pdesc);
});
console.log('');
}
if (arg1 && -1 === Object.keys(pairsMap).indexOf(arg1)) {
status = 1;
console.log('');
console.log(defaults.main + ": Unknown command '" + arg1 + "'");
arg1 = null;
}
if (!arg1 || '-' === arg1[0]) {
helpMain();
process.exit(status);
}
if ('help' === arg1) {
helpMain();
console.log("no more help available for 'help'");
process.exit(status);
}
}
if (-1 !== [ 'help', '-h', '--help' ].indexOf(command) || -1 !== args.indexOf('-h') || -1 !== args.indexOf('--help')) {
help();
return;
}
}
parseArgs(process.argv, {
// CLI goals:
//
// whoami / login: you are now logged in as
// * john@example.com [current] (just now)
// * john@work.net (2 minutes ago)
// * john@family.me (2 weeks ago)
commands: [
[ 'login [email or cloud address]', 'alias of session:attach', [
"--auto, create a new account without asking if none exists"
//, "--exclusive, logout all other ids, removing access to their accounts"
, "--provider, specify an authentication provider (default: :provider)".replace(/\b:provider\b/, defaults.provider)
//, "--email [addr], use the given id as an email address, even if it works as a cloud address"
//, "--cloud [addr], use the given id as a cloud address or fail (don't fallback to email)"
]
]
, [ 'logout', 'alias of session:detach' ]
, [ 'whoami', 'show current account(s) and login(s) and device(s)' ]
// authn
, [ 'session', 'Manage your ids (credentials / logins)' ]
, [ 'session:new', 'alias of `login --exclusive`' ]
, [ 'session:attach', 'Create a session (and account if needed) for a given email address or cloud address' ]
, [ 'session:detach', 'remove login from session' ]
, [ 'session:list', 'show all of the ids in the current session' ]
// authz
, [ 'accounts', 'Manage your accounts (authorization / profiles)' ]
, [ 'accounts:new', 'create a new account attached to the credentials of the current session' ]
, [ 'accounts:set', 'change account details' ] // todo changing the name should be restricted john@provider.net -> jonathan@provider.net would be bad
, [ 'accounts:list', 'show all of the accounts in the current session' ]
, [ 'accounts:attach', 'attach an account to an id' ]
, [ 'accounts:detach', 'detach an account from an id' ]
, [ 'accounts:select', 'select an account to use as the primary account for this session' ]
, [ 'accounts:update', '(deprecated) alias of set' ]
, [ 'accounts:login', '(deprecated) alias of login' ]
, [ 'accounts:whoami', '(deprecated) alias of whoami' ]
// authn / authz
, [ 'devices', 'manages devices for your account(s)' ]
, [ 'devices:new', 'create a new device (default name is hostname, default ip is the result of :provider/api/org.oauth3.tunnel/checkip)'.replace(/\b:provider\b/, defaults.provider) ]
, [ 'devices:set', 'set the ip address of the device (defaults ip is the result of :provider/api/org.oauth3.tunnel/checkip)'.replace(/\b:provider\b/, defaults.provider) ]
, [ 'devices:attach', "attach a device to a domain's DNS record" ]
, [ 'devices:detach', "detach an account from a domain's DNS record" ]
, [ 'devices:select', '(re)claim the specified device as this device (i.e. you re-installed your OS or deleted your ~/.oauth3)' ]
, [ 'devices:list', 'show all devices for your account(s)' ]
// help
, [ 'help', "show this menu; use '" + defaults.main + " help COMMAND' (even 'help') for options and sub-commands" ]
]
});