{"action":"created","comment":{"url":"https://api.github.com/repos/jbenet/go-ipfs/pulls/comments/25401519","id":25401519,"diff_hunk":"@@ -117,12 +124,19 @@ func (dht *IpfsDHT) verifyRecordLocally(r *pb.Record) error {\n // massive amplification attack on the dht. Use with care.\n func (dht *IpfsDHT) verifyRecordOnline(ctx context.Context, r *pb.Record) error {\n \n-\t// get the public key, search for it if necessary.\n-\tp := peer.ID(r.GetAuthor())\n-\tpk, err := dht.getPublicKeyOnline(ctx, p)\n-\tif err != nil {\n-\t\treturn err\n+\tif len(r.Signature) > 0 {\n+\t\t// get the public key, search for it if necessary.\n+\t\tp := peer.ID(r.GetAuthor())\n+\t\tpk, err := dht.getPublicKeyOnline(ctx, p)\n+\t\tif err != nil {\n+\t\t\treturn err\n+\t\t}\n+\n+\t\terr = record.CheckRecordSig(r, pk)\n+\t\tif err != nil {\n+\t\t\treturn err\n+\t\t}","path":"routing/dht/records.go","position":55,"original_position":55,"commit_id":"d25b9bf42367cb1fd799cf6ddcac51a5dd920413","original_commit_id":"87966e23c8e968bc9049517f130ecfd0333344cb","user":{"login":"whyrusleeping","id":1243164,"avatar_url":"https://avatars.githubusercontent.com/u/1243164?v=3","gravatar_id":"","url":"https://api.github.com/users/whyrusleeping","html_url":"https://github.com/whyrusleeping","followers_url":"https://api.github.com/users/whyrusleeping/followers","following_url":"https://api.github.com/users/whyrusleeping/following{/other_user}","gists_url":"https://api.github.com/users/whyrusleeping/gists{/gist_id}","starred_url":"https://api.github.com/users/whyrusleeping/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/whyrusleeping/subscriptions","organizations_url":"https://api.github.com/users/whyrusleeping/orgs","repos_url":"https://api.github.com/users/whyrusleeping/repos","events_url":"https://api.github.com/users/whyrusleeping/events{/privacy}","received_events_url":"https://api.github.com/users/whyrusleeping/received_events","type":"User","site_admin":false},"body":"Okay, Ill do that then.","created_at":"2015-02-26T03:01:07Z","updated_at":"2015-02-26T03:01:07Z","html_url":"https://github.com/jbenet/go-ipfs/pull/802#discussion_r25401519","pull_request_url":"https://api.github.com/repos/jbenet/go-ipfs/pulls/802","_links":{"self":{"href":"https://api.github.com/repos/jbenet/go-ipfs/pulls/comments/25401519"},"html":{"href":"https://github.com/jbenet/go-ipfs/pull/802#discussion_r25401519"},"pull_request":{"href":"https://api.github.com/repos/jbenet/go-ipfs/pulls/802"}}},"pull_request":{"url":"https://api.github.com/repos/jbenet/go-ipfs/pulls/802","id":29792174,"html_url":"https://github.com/jbenet/go-ipfs/pull/802","diff_url":"https://github.com/jbenet/go-ipfs/pull/802.diff","patch_url":"https://github.com/jbenet/go-ipfs/pull/802.patch","issue_url":"https://api.github.com/repos/jbenet/go-ipfs/issues/802","number":802,"state":"open","locked":false,"title":"Make signing dht records optional","user":{"login":"whyrusleeping","id":1243164,"avatar_url":"https://avatars.githubusercontent.com/u/1243164?v=3","gravatar_id":"","url":"https://api.github.com/users/whyrusleeping","html_url":"https://github.com/whyrusleeping","followers_url":"https://api.github.com/users/whyrusleeping/followers","following_url":"https://api.github.com/users/whyrusleeping/following{/other_user}","gists_url":"https://api.github.com/users/whyrusleeping/gists{/gist_id}","starred_url":"https://api.github.com/users/whyrusleeping/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/whyrusleeping/subscriptions","organizations_url":"https://api.github.com/users/whyrusleeping/orgs","repos_url":"https://api.github.com/users/whyrusleeping/repos","events_url":"https://api.github.com/users/whyrusleeping/events{/privacy}","received_events_url":"https://api.github.com/users/whyrusleeping/received_events","type":"User","site_admin":false},"body":"This PR makes signing DHT records optional to allow the retreival of public keys through the DHT. Previously, getting a public key from the dht required the public key you were trying to get, leaving only one way to get a public key, which was by being directly connected to the peer in question.\r\n\r\nThis PR is based on #801, and should be merged after it. I also would really appreciate a slightly more in depth code review for this 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