33 lines
		
	
	
		
			887 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			33 lines
		
	
	
		
			887 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| import base64url from 'base64url'
 | |
| 
 | |
| let uuidRegex = /^[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i
 | |
| 
 | |
| export function checkNoteIdValid (id) {
 | |
|   let result = id.match(uuidRegex)
 | |
|   if (result && result.length === 1) {
 | |
|     return true
 | |
|   } else {
 | |
|     return false
 | |
|   }
 | |
| }
 | |
| 
 | |
| export function encodeNoteId (id) {
 | |
|   // remove dashes in UUID and encode in url-safe base64
 | |
|   let str = id.replace(/-/g, '')
 | |
|   let hexStr = Buffer.from(str, 'hex')
 | |
|   return base64url.encode(hexStr)
 | |
| }
 | |
| 
 | |
| export function decodeNoteId (encodedId) {
 | |
|   // decode from url-safe base64
 | |
|   let id = base64url.toBuffer(encodedId).toString('hex')
 | |
|   // add dashes between the UUID string parts
 | |
|   let idParts = []
 | |
|   idParts.push(id.substr(0, 8))
 | |
|   idParts.push(id.substr(8, 4))
 | |
|   idParts.push(id.substr(12, 4))
 | |
|   idParts.push(id.substr(16, 4))
 | |
|   idParts.push(id.substr(20, 12))
 | |
|   return idParts.join('-')
 | |
| }
 |