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aliases.js
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aliases.js
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// This is the aliases plugin
// One must not run this plugin with the queue/smtp_proxy plugin.
var Address = require('./address').Address;
exports.register = function () {
this.inherits('queue/discard');
this.register_hook('rcpt','aliases');
};
exports.aliases = function (next, connection, params) {
var plugin = this;
var config = this.config.get('aliases', 'json') || {};
var rcpt = params[0].address();
var user = params[0].user;
var host = params[0].host;
var match = user.split("-", 1);
var action = "<missing>";
if (config[user] || config[match[0]]) {
if (config[user]) {
action = config[user].action || action;
match = user;
}
else {
action = config[match[0]].action || action;
match = match[0];
}
switch (action.toLowerCase()) {
case 'drop':
_drop(plugin, connection, rcpt);
break;
case 'alias':
_alias(plugin, connection, match, config[match], host);
break;
default:
connection.loginfo(plugin, "unknown action: " + action);
}
}
next();
};
function _drop(plugin, connection, rcpt) {
connection.logdebug(plugin, "marking " + rcpt + " for drop");
connection.transaction.notes.discard = true;
}
function _alias(plugin, connection, key, config, host) {
var to;
var toAddress;
if (config.to) {
if (config.to.search("@") !== -1) {
to = config.to;
}
else {
to = config.to + '@' + host;
}
connection.logdebug(plugin, "aliasing " +
connection.transaction.rcpt_to + " to " + to);
toAddress = new Address('<' + to + '>');
connection.transaction.rcpt_to.pop();
connection.transaction.rcpt_to.push(toAddress);
}
else {
connection.loginfo(plugin, 'alias failed for ' + key +
', no "to" field in alias config');
}
}