git ssb - Initial commit · Rômulo Alves/ipfs-encrypted-add@c3d2e73c

romuloalves committed on 3/1/2019, 9:21:03 PM

index.jsView
		@@ -1,0 +1,42 @@
	1 …	+const crypto = require('crypto');
	2 …	+const { join } = require('path');
	3 …	+
	4 …	+const IPFS = require('ipfs');
	5 …	+const uuidv4 = require('uuid/v4');
	6 …	+
	7 …	+function createMetadataFileContent(name, description) {
	8 …	+ return `{"name":"${name}","description":"${description}","revision":1,"createDate":${new Date().getTime()}}`;
	9 …	+}
	10 …	+
	11 …	+const password = uuidv4();
	12 …	+console.log(`\n> Generated password: ${password}`);
	13 …	+
	14 …	+const key = crypto.scryptSync(password, 'salt', 24);
	15 …	+const iv = Buffer.alloc(16, 0);
	16 …	+const cipher = crypto.createCipheriv('aes-192-gcm', key, iv);
	17 …	+console.log('\n> Generated cipher.');
	18 …	+
	19 …	+const fileContent = createMetadataFileContent('TR0001', 'Example of description');
	20 …	+console.log('\n> Generated file content.');
	21 …	+
	22 …	+let encryptedText = cipher.update(fileContent, 'utf8', 'hex');
	23 …	+encryptedText += cipher.final('hex');
	24 …	+
	25 …	+const ipfs = new IPFS({
	26 …	+ repo: join(__dirname, 'temp', 'ipfs-repo')
	27 …	+});
	28 …	+
	29 …	+ipfs.on('ready', function() {
	30 …	+ console.log('\n> Node ready.');
	31 …	+
	32 …	+ ipfs.add({
	33 …	+ path: '/metadata.json',
	34 …	+ content: Buffer.from(encryptedText)
	35 …	+ }, {}, function(err, response) {
	36 …	+ if (err) {
	37 …	+ return console.error('\n> Error adding file.', err);
	38 …	+ }
	39 …	+
	40 …	+ return console.log('\n\n> File added.', response);
	41 …	+ });
	42 …	+});

open.jsView
		@@ -1,0 +1,34 @@
	1 …	+const crypto = require('crypto');
	2 …	+const { join } = require('path');
	3 …	+
	4 …	+const IPFS = require('ipfs');
	5 …	+
	6 …	+const IPFS_KEY = 'QmbMaiVRiDHUAg52sEi9yRUTWqiHaKPmEdqsSrXLXhp9Sq';
	7 …	+const PASSWORD = 'a2d7b8be-9277-4f50-a1ef-c4c5083b5d99';
	8 …	+
	9 …	+const ipfs = new IPFS({
WritePreview
	10 …	+ repo: join(__dirname, 'temp', 'ipfs-repo')
	11 …	+});
	12 …	+
	13 …	+ipfs.on('ready', function() {
	14 …	+ console.log('\n> Node ready.');
	15 …	+
	16 …	+ ipfs.cat(`/ipfs/${IPFS_KEY}`, function(err, file) {
	17 …	+ if (err) {
	18 …	+ return console.error('\n> Error reading file.', err);
	19 …	+ }
	20 …	+
	21 …	+ const fileContent = file.toString('utf8');
	22 …	+ console.log(`\n> Content read from IPFS: ${fileContent}.`);
	23 …	+
	24 …	+ const key = crypto.scryptSync(PASSWORD, 'salt', 24);
	25 …	+ const iv = Buffer.alloc(16, 0);
	26 …	+ const decipher = crypto.createDecipheriv('aes-192-gcm', key, iv);
	27 …	+ console.log('\n> Generated decipher.');
	28 …	+
	29 …	+ let decrypted = decipher.update(fileContent, 'hex', 'utf8');
	30 …	+ console.log('\n> Content decrypted.');
	31 …	+
	32 …	+ return console.log(`\n\n> File content: ${decrypted}`);
	33 …	+ })
	34 …	+});

package-lock.jsonView
The diff is too large to show. Use a local git client to view these changes. Old file size: 0 bytes New file size: 248008 bytes

package.jsonView
		@@ -1,0 +1,19 @@
	1 …	+{
	2 …	+ "name": "ipfs-encrypted-add",
	3 …	+ "version": "1.0.0",
	4 …	+ "description": "Experiment about add and read encrypted files over IPFS",
	5 …	+ "main": "index.js",
	6 …	+ "scripts": {
	7 …	+ "add-file": "node index.js",
	8 …	+ "read-file": "node open.js"
	9 …	+ },
	10 …	+ "keywords": [
	11 …	+ "ipfs",
	12 …	+ "pentest"
	13 …	+ ],
	14 …	+ "author": "romuloalves",
	15 …	+ "dependencies": {
	16 …	+ "ipfs": "^0.34.4",
	17 …	+ "uuid": "^3.3.2"
	18 …	+ }
	19 …	+}

Rômulo Alves / ipfs-encrypted-add