Files
DiceCloud/app/Routes/API.js
2018-06-07 02:06:34 -07:00

92 lines
2.7 KiB
JavaScript

Router.map(function() {
this.route("vmixCharacter", {
path: "/vmix-character/:_id/",
where: "server",
action: function() {
this.response.setHeader("Content-Type", "application/json");
var query = this.params.query;
var key = query && query.key;
ifKeyValid(key, this.response, "vmixCharacter", () =>
this.response.end(vMixCharacter(this.params._id))
);
},
});
this.route("vmixParty", {
path: "/vmix-party/:_id/",
where: "server",
action: function() {
this.response.setHeader("Content-Type", "application/json");
var query = this.params.query;
var key = query && query.key;
ifKeyValid(key, this.response, "vmixParty", () =>
this.response.end(vMixParty(this.params._id))
);
},
});
this.route("jsonCharacterSheet", {
path: "/character/:_id/json",
where: "server",
action: function() {
this.response.setHeader("Content-Type", "application/json");
var query = this.params.query;
var key = query && query.key;
ifKeyValid(key, this.response, "jsonCharacterSheet", () => {
if (canViewCharacter(this.params._id, userIdFromKey(key))){
this.response.end(JSONExport(this.params._id))
} else {
this.response.writeHead(403, "You do not have permission to view this character");
this.response.end();
}
}
);
},
});
});
var ifKeyValid = function(apiKey, response, method, callback){
if (!apiKey){
response.writeHead(403, "You must use an api key to access this api");
response.end();
} else if (!isKeyValid(apiKey)){
response.writeHead(403, "API key is invalid");
response.end();
} else if (isRateLimited(apiKey, method)){
response.writeHead(429, "Too many requests");
response.end(JSON.stringify({
"timeToReset": rateLimiter.check({apiKey: apiKey, method: method}).timeToReset
}));
} else {
rateLimiter.increment({apiKey: apiKey, method: method})
callback();
}
};
var isKeyValid = function(apiKey){
var user = Meteor.users.findOne({apiKey});
if (!user) return false;
var blackListed = Blacklist.findOne({userId: user._id});
return !blackListed;
};
var userIdFromKey = function(apiKey){
var user = Meteor.users.findOne({apiKey}); // we know user exists from isKeyValid
return user._id;
}
var rateLimiter = new RateLimiter();
rateLimiter.addRule({apiKey: String}, 5, 5000);
rateLimiter.addRule({apiKey: String, method: "vmixCharacter"}, 2, 10000);
rateLimiter.addRule({apiKey: String, method: "vmixParty"}, 2, 10000);
rateLimiter.addRule({apiKey: String, method: "jsonCharacterSheet"}, 5, 5000);
var isRateLimited = function(apiKey, method){
const limited = !rateLimiter.check({apiKey: apiKey, method: method}).allowed
if (limited) {
console.log(`Rate limit hit by API key ${apiKey}`);
return true;
} else {
return false;
}
};