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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| /* | ||
| * Copyright (c) Microsoft Corporation. All rights reserved. | ||
| * Licensed under the MIT License. | ||
| */ | ||
|
|
||
| import { IWindowStorage } from "./IWindowStorage.js"; | ||
|
|
||
| // Cookie life calculation (hours * minutes * seconds * ms) | ||
| const COOKIE_LIFE_MULTIPLIER = 24 * 60 * 60 * 1000; | ||
|
|
||
| export class CookieStorage implements IWindowStorage<string> { | ||
| getItem(key: string): string | null { | ||
| const name = `${encodeURIComponent(key)}`; | ||
| const cookieList = document.cookie.split(";"); | ||
| for (let i=0; i < cookieList.length; i++) { | ||
| const cookie = cookieList[i]; | ||
| let [key, ...rest] = decodeURIComponent(cookie).trim().split("="); | ||
| const value = rest.join("="); | ||
|
|
||
| if (key === name) { | ||
| return value; | ||
| } | ||
| } | ||
| return ""; | ||
| } | ||
|
|
||
| setItem( | ||
| key: string, | ||
| value: string, | ||
| cookieLifeDays?: number, | ||
| secure: boolean = true | ||
| ): void { | ||
| let cookieStr = `${encodeURIComponent(key)}=${encodeURIComponent( | ||
| value | ||
| )};path=/;SameSite=Lax;`; | ||
|
|
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| if (cookieLifeDays) { | ||
| const expireTime = getCookieExpirationTime(cookieLifeDays); | ||
| cookieStr += `expires=${expireTime};`; | ||
| } | ||
|
|
||
| if (secure) { | ||
| cookieStr += "Secure;"; | ||
| } | ||
|
|
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| document.cookie = cookieStr; | ||
| } | ||
|
|
||
| removeItem(key: string): void { | ||
| // Setting expiration to -1 removes it | ||
| this.setItem(key, "", -1); | ||
| } | ||
|
|
||
| getKeys(): string[] { | ||
| const cookieList = document.cookie.split(";"); | ||
| let keys = []; | ||
| for (let cookie in cookieList) { | ||
| let cookieParts = decodeURIComponent(cookie).trim().split("="); | ||
| keys.push(cookieParts[0]); | ||
| } | ||
| return keys; | ||
| } | ||
|
|
||
| containsKey(key: string): boolean { | ||
| return this.getKeys().includes(key); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Get cookie expiration time | ||
| * @param cookieLifeDays | ||
| */ | ||
| function getCookieExpirationTime(cookieLifeDays: number): string { | ||
| const today = new Date(); | ||
| const expr = new Date( | ||
| today.getTime() + cookieLifeDays * COOKIE_LIFE_MULTIPLIER | ||
| ); | ||
| return expr.toUTCString(); | ||
| } |
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