2022-12-28 02:25:48 +00:00
|
|
|
<<<<<<< HEAD
|
2023-01-17 23:23:58 +00:00
|
|
|
import { Buffer } from "https://deno.land/std@0.173.0/node/buffer.ts";
|
2022-12-28 02:25:48 +00:00
|
|
|
=======
|
|
|
|
import { Buffer } from 'https://deno.land/std@0.171.0/node/buffer.ts'
|
|
|
|
>>>>>>> fee7292 (feat: new validator middleware using 3rd-party & current middleware obsolete (#745))
|
2022-07-02 06:09:45 +00:00
|
|
|
export const encodeBase64 = (str: string): string => {
|
|
|
|
if (str === null) {
|
|
|
|
throw new TypeError('1st argument of "encodeBase64" should not be null.')
|
|
|
|
}
|
|
|
|
try {
|
|
|
|
const encoder = new TextEncoder()
|
|
|
|
const bytes = encoder.encode(str)
|
|
|
|
return btoa(String.fromCharCode(...bytes))
|
|
|
|
} catch {}
|
|
|
|
|
|
|
|
try {
|
|
|
|
return Buffer.from(str).toString('base64')
|
|
|
|
} catch (e) {
|
|
|
|
console.error('If you want to do "encodeBase64", polyfill "buffer" module.')
|
|
|
|
throw e
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
export const decodeBase64 = (str: string): string => {
|
|
|
|
if (str === null) {
|
|
|
|
throw new TypeError('1st argument of "decodeBase64" should not be null.')
|
|
|
|
}
|
|
|
|
try {
|
|
|
|
const text = atob(str)
|
|
|
|
const bytes = new Uint8Array(text.split('').map((c) => c.charCodeAt(0)))
|
|
|
|
const decoder = new TextDecoder()
|
|
|
|
return decoder.decode(bytes)
|
|
|
|
} catch {}
|
|
|
|
|
|
|
|
try {
|
|
|
|
return Buffer.from(str, 'base64').toString()
|
|
|
|
} catch (e) {
|
|
|
|
console.error('If you want to do "decodeBase64", polyfill "buffer" module.')
|
|
|
|
throw e
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
export const encodeBase64URL = (str: string): string => {
|
|
|
|
return encodeBase64(str).replace(/=/g, '').replace(/\+/g, '-').replace(/\//g, '_')
|
|
|
|
}
|
|
|
|
|
|
|
|
export const decodeBase64URL = (str: string): string => {
|
|
|
|
const pad = (s: string) => {
|
|
|
|
const diff = s.length % 4
|
|
|
|
if (diff === 2) {
|
|
|
|
return `${s}==`
|
|
|
|
}
|
|
|
|
if (diff === 3) {
|
|
|
|
return `${s}=`
|
|
|
|
}
|
|
|
|
return s
|
|
|
|
}
|
|
|
|
|
|
|
|
return decodeBase64(pad(str).replace(/-/g, '+').replace('_', '/'))
|
|
|
|
}
|
|
|
|
|
|
|
|
export const utf8ToUint8Array = (str: string): Uint8Array => {
|
|
|
|
const encoder = new TextEncoder()
|
|
|
|
return encoder.encode(str)
|
|
|
|
}
|
|
|
|
|
|
|
|
export const arrayBufferToBase64 = async (buf: ArrayBuffer): Promise<string> => {
|
|
|
|
if (typeof btoa === 'function') {
|
|
|
|
return btoa(String.fromCharCode(...new Uint8Array(buf)))
|
|
|
|
}
|
|
|
|
|
|
|
|
try {
|
|
|
|
return Buffer.from(String.fromCharCode(...new Uint8Array(buf))).toString('base64')
|
|
|
|
} catch (e) {}
|
|
|
|
|
|
|
|
return ''
|
|
|
|
}
|
|
|
|
|
|
|
|
export const arrayBufferToBase64URL = async (buf: ArrayBuffer) => {
|
|
|
|
return (await arrayBufferToBase64(buf)).replace(/=/g, '').replace(/\+/g, '-').replace(/\//g, '_')
|
|
|
|
}
|