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62 lines
2.1 KiB
62 lines
2.1 KiB
var cookie = require("cookie");
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var uuid = require("uuid");
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var memory_store = require("./memory_store.js");
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var sessions = function(options){
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this.settings = options || {};
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this.settings.sessionCookie = this.settings.sessionCookie || "sid";
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this.settings.regenerateTokens = this.settings.regenerateTokens || false;
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this.settings.sessionTTL = this.settings.sessionTTL || 0;
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this.generateToken = this.settings.generateToken || uuid.v4;
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this.sessions = options.sessionStore || new memory_store();
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this.on("setup", this.on_setup);
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};
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sessions.prototype.on_setup = function(request, server, done){
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var self = this;
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request.session_token = this.getSessionToken(request);
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request.session = this.getSession(request.session_token);
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// regenerate the user session token per request
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if(this.settings.regenerateTokens){
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var old_token = request.session_token;
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request.session_token = this.generateToken();
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this.sessions.delete(old_token);
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this.sessions.set(request.session_token, request.session, this.settings.sessionTTL);
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}
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request.sessionGet = function(key){
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request.session = request.session || {};
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return request.session[key];
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};
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request.sessionSet = function(key, value){
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request.session = request.session || {};
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request.session[key] = value;
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self.sessions.set(request.session_token, request.session, self.settings.sessionTTL);
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};
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request.addHeader("Set-Cookie", cookie.serialize(
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this.settings.sessionCookie,
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request.session_token
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));
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done();
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};
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sessions.prototype.getSessionToken = function(request){
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var cookies = request.cookies || cookie.parse(request.headers.cookie || "");
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request.session_token = cookies[this.settings.sessionCookie];
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if(!request.session_token){
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request.session_token = this.generateToken();
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this.sessions.set(request.session_token, {}, this.settings.sessionTTL);
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}
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return request.session_token;
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};
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sessions.prototype.getSession = function(token){
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return this.sessions.get(token);
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};
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module.exports = sessions;
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