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var cmn = require("../$common.js"),
fs = require("fs"),
child_process = require("child_process"),
bodyParser = require("body-parser");
var ratelimitAllowed = (function() {
var numEvents = 20, period = 24 * 3600 * 1000;
var eventList = [];
return function ratelimitAllowed() {
var now = new Date();
while (now - eventList[0] > period) eventList.unshift();
if (eventList.length >= numEvents) return false;
eventList.push(now);
return true;
};
})();
function sendEmail(recip, text) {
var opts = {
stdio: ["pipe", "inherit", "inherit"]
};
var proc = child_process.spawn("sendmail", [recip], opts);
// Make sure it doesn't run indefinitely
var timeout = setTimeout(() => {proc.kill();}, 5000);
proc.on("exit", () => clearTimeout(timeout));
proc.on("error", err => {
console.log("email: Failed to start sendmail:", err);
clearTimeout(timeout);
});
proc.stdin.on("error", err => {
console.log("email: Failed to write to sendmail:", err);
clearTimeout(timeout);
});
proc.stdin.end(
"From: email-module@tomsmeding.com\n" +
"To: " + recip + "\n" +
"Subject: Mail from email module\n\n" +
text
);
}
module.exports = function(app, io, moddir) {
var allowedRecipients =
fs.readFileSync(moddir + "/allowed_recipients.txt").toString().trim().split("\n");
var password = fs.readFileSync(moddir + "/password.txt").toString().trim();
app.post("/email", bodyParser.json(), function(req, res) {
var body = req.body;
console.log(body);
if (typeof body != "object" ||
typeof body.password != "string" ||
typeof body.to != "string" ||
typeof body.text != "string" ||
body.password != password ||
allowedRecipients.indexOf(body.to) == -1) {
res.status(400).send("Invalid request");
return;
}
var text = body.text.slice(0, 1000000); // 1 MB is enough
sendEmail(body.to, body.text);
res.end();
});
};
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