cookie all in one

credentials: "include"

https://developers.google.com/web/updates/2015/03/introduction-to-fetch

why & solution

cookie & Fetch & credentials

https://github.com/github/fetch#sending-cookies

https://github.com/github/fetch#receiving-cookies

https://github.com/github/fetch#read-this-first

https://developer.mozilla.org/en-US/docs/Glossary/Forbidden_header_name

Set-Cookie & Secure & HttpOnly & SameSite

HTTP/Headers/Set-Cookie

Set-Cookie

https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie

https

https://stackoverflow.com/questions/37234687/how-to-set-cookie-secure-flag-using-javascript

cookie



document.cookie = "testCookie=javascript2050; Expires=Wed, 21 Oct 2020 07:28:00 GMT; path=/;domain=.cnblogs.com;Secure;";

// "testCookie=javascript2050; Expires=Wed, 21 Oct 2020 07:28:00 GMT; path=/;domain=.cnblogs.com;Secure;

document.cookie;;

// "testCookie=javascript2050"

HttpOnly

A HttpOnly cookie means that it's not available to scripting languages like JavaScript.

https://stackoverflow.com/questions/14691654/set-a-cookie-to-httponly-via-javascript

https://stackoverflow.com/questions/14691654/set-a-cookie-to-httponly-via-javascript/14691716#14691716

https://github.com/js-cookie/js-cookie/issues/344

SameSite

https://stackoverflow.com/questions/50361460/samesite-cookie-attribute-not-being-set-using-javascript

cookie

不支持 fill:// 协议，无法写 cookie!

一次只能写一个?

http://javascript.ruanyifeng.com/bom/cookie.html

逗号进行转义? 瞎扯



document.cookie = 'jwt=aaa.bbb.ccc';

// "jwt=aaa.bbb.ccc"

document.cookie;

http only & path & expires

// document.cookie = ".test=javascript2020;Expires=Wed, 21 Oct 2020 07:28:00 GMT;path=/;domain=www.cnblogs.com";

document.cookie = ".test=javascript2020;Expires=Wed, 21 Oct 2020 07:28:00 GMT;path=/;domain=cnblogs.com";

// ".test=javascript2020;Expires=Wed, 21 Oct 2020 07:28:00 GMT;path=/;domain=www.cnblogs.com"

document.cookie;

https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie

https://developer.mozilla.org/en-US/docs/Web/HTTP/Cookies

Request & header

https://developer.mozilla.org/en-US/docs/Glossary/Request_header

https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers

???

cookie

new headers({})

https://davidwalsh.name/fetch

https://stackoverflow.com/questions/35733138/send-cookie-in-http-post-request-in-javascript



const fetchJSON = (url = ``) => {

    let headers = new Headers({

        "Content-Type": "application/json; charset=utf-8;",

        "cookie": "access_token=eyJhbGciOiJIUzI1NiJ9.eyJyb2xlIjoiQWRtaW4iLCJ1c2VyX25hbWUiOiJhZG1pbiJ9.k82neq7nQXjz3xBu0P7jnbukOx57WUo4_V3DLStkEss; Expires=Wed, 21 Oct 2020 07:28:00 GMT; path=/; Secure; HttpOnly;",

        "Set-Cookie": "access_token=eyJhbGciOiJIUzI1NiJ9.eyJyb2xlIjoiQWRtaW4iLCJ1c2VyX25hbWUiOiJhZG1pbiJ9.k82neq7nQXjz3xBu0P7jnbukOx57WUo4_V3DLStkEss; Expires=Wed, 21 Oct 2020 07:28:00 GMT; path=/; Secure; HttpOnly;",

    });

    return fetch(url, {

        // method: "POST",

        method: "GET",

        mode: "no-cors",

        headers: headers,

    })

    .then(res => res.json())

    .then(

        (json) => {

            return json;

        }

    )

    .catch(err => console.log(`fetch error`, err));

};





"use strict";

/**

 *

 * @author xgqfrms

 * @license MIT

 * @copyright cookie

 * @description

 * @augments

 * @example

 *

 */

const  = ( = ``, debug = false) => {

    // do something...

    return ;

};

const commments = {

    "commentId":3997788,

    "voteType":"Digg"

};

const url = "https://www.cnblogs.com/mvc/vote/VoteComment.aspx";

// https://www.cnblogs.com/mvc/vote/VoteBlogPost.aspx

// blog = {

//     "blogApp": "xgqfrms",

//     "postId": 9178897,

//     "voteType": "Digg",

//     "isAbandoned": false

// };

fetch(url, {

    method: "POST",

    headers: {

        "Accept":  "application/json",

        "Content-Type": "application/json",

        "Cache": "no-cache"

    },

    credentials: "same-origin",

    body: JSON.stringify(commments),

});

bug

前端如果不设置 credentials, 字段，后端无法写入 cookie(Set-Cookie)， 前端无法发送 cookie ???

conclusion

  1. cookie 必须同源， domain 不许一致。

  2. 前端如果不设置 credentials, 字段， 前端无法发送 cookie !

  3. 后端无法写入 cookie(Set-Cookie) ？？？



credentials: "include",




const fetchJSON = (url = ``, data = {}) => {

    // let headers = new Headers({

    //     "Content-Type": "application/json; charset=utf-8;",

    //     "cookie": "access_token=eyJhbGciOiJIUzI1NiJ9.eyJyb2xlIjoiQWRtaW4iLCJ1c2VyX25hbWUiOiJhZG1pbiJ9.k82neq7nQXjz3xBu0P7jnbukOx57WUo4_V3DLStkEss; Expires=Wed, 21 Oct 2020 07:28:00 GMT; path=/; Secure; HttpOnly;",

    //     "Set-Cookie": "access_token=eyJhbGciOiJIUzI1NiJ9.eyJyb2xlIjoiQWRtaW4iLCJ1c2VyX25hbWUiOiJhZG1pbiJ9.k82neq7nQXjz3xBu0P7jnbukOx57WUo4_V3DLStkEss; Expires=Wed, 21 Oct 2020 07:28:00 GMT; path=/; Secure; HttpOnly;",

    // });

    return fetch(url, {

        // method: "POST",

        method: "GET",

        mode: "no-cors",

        credentials: "include",

        // credentials: "same-origin",

        headers: {

            "Accept": "application/json; charset=utf-8;",

            "Content-Type": "application/json; charset=utf-8;",

            "Cache": "no-cache",

            // "Set-Cookie": "access_token=eyJhbGciOiJIUzI1NiJ9.eyJyb2xlIjoiQWRtaW4iLCJ1c2VyX25hbWUiOiJhZG1pbiJ9.k82neq7nQXjz3xBu0P7jnbukOx57WUo4_V3DLStkEss",

            // "XYZ": "access_token=eyJhbGciOiJIUzI1NiJ9.eyJyb2xlIjoiQWRtaW4iLCJ1c2VyX25hbWUiOiJhZG1pbiJ9.k82neq7nQXjz3xBu0P7jnbukOx57WUo4_V3DLStkEss",

            // "Cookie": "access_token=eyJhbGciOiJIUzI1NiJ9.eyJyb2xlIjoiQWRtaW4iLCJ1c2VyX25hbWUiOiJhZG1pbiJ9.k82neq7nQXjz3xBu0P7jnbukOx57WUo4_V3DLStkEss; Expires=Wed, 21 Oct 2020 07:28:00 GMT; path=/; Secure; HttpOnly;",

            // "Set-Cookie": "access_token=eyJhbGciOiJIUzI1NiJ9.eyJyb2xlIjoiQWRtaW4iLCJ1c2VyX25hbWUiOiJhZG1pbiJ9.k82neq7nQXjz3xBu0P7jnbukOx57WUo4_V3DLStkEss; Expires=Wed, 21 Oct 2020 07:28:00 GMT; path=/; Secure; HttpOnly;",

            // "Cookie": "access_token=eyJhbGciOiJIUzI1NiJ9.eyJyb2xlIjoiQWRtaW4iLCJ1c2VyX25hbWUiOiJhZG1pbiJ9.k82neq7nQXjz3xBu0P7jnbukOx57WUo4_V3DLStkEss; Expires=Wed, 21 Oct 2020 07:28:00 GMT; path=/; HttpOnly;",

            //  Secure; & cookie只会被https传输 (boolean或null)。

        },

        // body: JSON.stringify({

        //     user_name: "admin",

        //     password: "admin",

        // }),

        // headers: new Headers({

        //     "Content-Type": "application/json; charset=utf-8;",

        //     "cookie": "access_token=eyJhbGciOiJIUzI1NiJ9.eyJyb2xlIjoiQWRtaW4iLCJ1c2VyX25hbWUiOiJhZG1pbiJ9.k82neq7nQXjz3xBu0P7jnbukOx57WUo4_V3DLStkEss; Expires=Wed, 21 Oct 2020 07:28:00 GMT; path=/; Secure; HttpOnly;",

        //     "Set-Cookie": "access_token=eyJhbGciOiJIUzI1NiJ9.eyJyb2xlIjoiQWRtaW4iLCJ1c2VyX25hbWUiOiJhZG1pbiJ9.k82neq7nQXjz3xBu0P7jnbukOx57WUo4_V3DLStkEss; Expires=Wed, 21 Oct 2020 07:28:00 GMT; path=/; Secure; HttpOnly;",

        // }),

    })

    // .then(res => res.json())

    .then(

        (json) => {

            return json;

        }

    )

    .catch(err => console.log(`fetch error`, err));

};




# cookie Generator

> cookieGenerator();

```js

/**

 *

 * @author xgqfrms

 * @license MIT

 * @copyright xgqfrms

 *

 * @description cookieGenerator

 *

 * @param {String} name cookie name

 * @param {String} value cookie value

 * @param {Number} days

 * @param {String} path

 * @param {String} domain

 * @param {String} HttpOnly (JavaScript absolutely no API available to get/set the HttpOnly attribute of the cookie!)

 * @param {Boolean} Secure

 * @param {ENUM} SameSite=Lax / SameSite=Strict (This is an attribute that can only be set by server (like HttpOnly) in response cookies it sends to browser.)

 *

 */

const cookieGenerator = (

    options = {

        name: "testCookie",

        value: "testcookie",

        days: 0,

        path: "/",

        domain: window.parent.document.domain,

        // HttpOnly: false,

        Secure: false

    }) => {

    let {

        name,

        value,

        days,

        path,

        domain,

        // HttpOnly,

        secure

    } = options;

    let result = ``,

        expires = ``,

        date = new Date();

    date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));

    expires = date.toUTCString();

    result = `${name}=${value}; Expires=${expires}; Path=${path}; Domain=${domain};`;

    // if (httponly) {

    //     result += `Http;`;

    //     result += `HttpOnly;`;

    // }

    if (secure) {

        result += `Secure;`;

    }

    // document.cookie = result;

    return result;

};

xgqfrms 2012-2020

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