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ut_metadata
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Merge pull request #17 from feross/safe-buffer 

Use safe-buffer
This commit is contained in:
Feross Aboukhadijeh 2016-05-30 01:38:07 -07:00
parent 37c73958eb 9e9c187bf3
commit e6aafdb332
3 changed files with 8 additions and 7 deletions
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10
index.js
View File

@ -46,9 +46,10 @@ module.exports = function (metadata) {
if (!handshake.metadata_size) {
return this.emit('warning', new Error('Peer does not have metadata'))
}
if (handshake.metadata_size > MAX_METADATA_SIZE) {
return this.emit('warning', new Error('Peer gave maliciously large metadata size'))
if (typeof handshake.metadata_size !== 'number' ||
MAX_METADATA_SIZE < handshake.metadata_size ||
handshake.metadata_size <= 0) {
return this.emit('warning', new Error('Peer gave invalid metadata size'))
}
this._metadataSize = handshake.metadata_size
@ -200,8 +201,7 @@ module.exports = function (metadata) {
}
utMetadata.prototype._requestPieces = function () {
this.metadata = new Buffer(this._metadataSize)
this.metadata = Buffer.alloc(this._metadataSize)
for (var piece = 0; piece < this._numPieces; piece++) {
this._request(piece)
}

1
package.json
View File

@ -15,6 +15,7 @@
"bitfield": "^1.0.1",
"debug": "^2.2.0",
"inherits": "^2.0.1",
"safe-buffer": "^5.0.1",
"simple-sha1": "^2.0.0"
},
"devDependencies": {

4
test/fetch.js
View File

@ -4,8 +4,8 @@ var Protocol = require('bittorrent-protocol')
var test = require('tape')
var utMetadata = require('../')
var id1 = new Buffer('01234567890123456789')
var id2 = new Buffer('12345678901234567890')
var id1 = Buffer.from('01234567890123456789')
var id2 = Buffer.from('12345678901234567890')
test('fetch()', function (t) {
t.plan(3)