require("sessids")(sessfile:string)returns all functions below
require("sessids")().sessionssessions is a express middleware that will allow you to use sessions. it sets req.session to a object that will look something like this:
| name | description |
|---|---|
| set(property, value) | sets a value on the session |
| get(property) | gets a value from the session |
| delete(property) | deletes a value from the session |
| getAllProperties() | gets all properties with thier values and puts it into a object |
| destroy() | destroys a session instantly |
| id | id of the session |
| lifetime | lifetime of the session(will not refresh) |
example
const express = require('express');
const app = express();
const sessids = require('sessids')();
app.use(sessids.sessions);
app.get('/get', (req, res) => {
res.json(req.session.getAllProperties());
});
app.get('/set', (req, res) => {
for (const key in req.query) {
req.session.set(key, req.query[key]);
}
res.json(req.session.getAllProperties());
});
app.listen(3000, () => {
console.log('Example app listening on port 3000!');
});require("sessids")().configue(scope: string, value: any);configure sets scope in the configuration to value
scopes
| scope | default value | description | notes |
|---|---|---|---|
| lifetime | 86400 | the lifetime of all sessions created after setting this value | |
| sessfile | "sessions.json" | the file used for storing sessions, will automatically be changed when calling const sessids = require('sessids')("value"); |
do not change yourself |
(require("sessids")().session: class constructor(data?: object, lifetime?: number, id?: string) {}:{
lifetime: number,
storeddata: object,
id: string,
update: function() updates this session in the file,
destory: function() destroys this session,
data: {
set: function(scope:string, value:any) updates value in this session,
get: function(scope:string) gets value in this session,
remove: function(scope:string) removes value in this session
}
})require("sessids")().find(search: {
id?: string | undefined;
data?: {
value: any;
} | undefined;
});
return:session[]searches for the session meeting the requirements
| name | usage |
|---|---|
| id | search for a session with that session id |
| data | a object any value in there will be required to also be the value in the object |
- create a new directory
bash/ps
mkdir loginexample- cd into the directory
bash/ps/cmd
cd loginexample- initialize the directory
bash/ps/cmd
npm init -y- install sessids and express
bash/ps/cmd
npm i sessids express - require sessids and express
index.js
const express = require('express');
const app = express();
const sessids = require('sessids')();- initialize server
index.js
const express = require('express');
const app = express();
const sessids = require('sessids')();
app.use(sessids.sessions);
app.get('/', (req, res) => {
res.json(req.session.getAllProperties());
});
app.get('/set', (req, res) => {
for (const key in req.query) {
req.session.set(key, req.query[key]);
}
res.json(req.session.getAllProperties());
});- creating statics
index.js
const express = require('express');
const app = express();
const sessids = require('sessids')();
app.use(sessids.sessions);
app.get('/', (req, res) => {
res.json(req.session.getAllProperties());
});
app.get('/set', (req, res) => {
for (const key in req.query) {
req.session.set(key, req.query[key]);
}
res.json(req.session.getAllProperties());
});
app.use(express.static("public"));- create the public directory
bash/ps
mkdir public
cd public- create a new file in public: login.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>example login page</title>
</head>
<body>
<form action="submitlogin" method="post">
<label for="username">username: </label><input name="username" id="username">
<label for="password">password: </label><input name="password" id="password" type="password">
<input type="submit">
</form>
</body>
</html>- setting up login callback
bash/ps/cmd
cd ../
npm i body-parserindex.js
const express = require('express');
const app = express();
const bodyParser = require('body-parser');
const sessids = require('sessids')();
app.use(bodyParser.urlencoded({ extended: true }));
app.use(sessids.sessions);
app.get('/', (req, res) => {
res.json(req.session.getAllProperties());
});
app.get('/set', (req, res) => {
for (const key in req.query) {
req.session.set(key, req.query[key]);
}
res.json(req.session.getAllProperties());
});
app.post('/submitlogin', (req, res) => {
req.session.set("username", req.body.username);
req.session.set("password", req.body.password);
});
app.use(express.static("public"));
app.listen(3000, () => {
console.log("example login system up and running!");
});- try it out
bash/ps/cmd
node index.jsgo to localhost:3000's login page
you will see a new file in root directory called sessions.json, after you have logged in, you will see it looks something like this:
{
"sessions": [
{
"id": "w20nYhiPZ93fIyaUCbp7DETLquvjeMX!Q5l8ONKt46VAoGgBxkRsdFrJzHScW1mGMuWovgsfdymZ78Y3Tjea1EU2xC6SpKhcA0IVlqJHNP594k!rnFbQDwBiXLzOtR",
"data": {
"username": "test",
"password": "test"
},
"lifetime": 86300
}
]
}- improve user experience
index.js
const express = require('express');
const app = express();
const bodyParser = require('body-parser');
const sessids = require('sessids')();
app.use(bodyParser.urlencoded({ extended: true }));
app.use(sessids.sessions);
app.get('/', (req, res) => {
res.json(req.session.getAllProperties());
});
app.get('/set', (req, res) => {
for (const key in req.query) {
req.session.set(key, req.query[key]);
}
res.json(req.session.getAllProperties());
});
app.post('/submitlogin', (req, res) => {
req.session.set("username", req.body.username);
req.session.set("password", req.body.password);
res.redirect('/');
});
app.get('/submitlogin', (req, res) => {
res.redirect('/');
});
app.use(express.static("public"));
app.listen(3000, () => {
console.log("example login system up and running!");
});