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add host-key verification strategy check-static #483

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@cgroschupp
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ready to review.

@KarstenSiemer
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KarstenSiemer commented Aug 12, 2020

+1 for this change
what do you think @res0nance @fcojfernandez ?

String instanceCapStr, String iamInstanceProfile, boolean deleteRootOnTermination,
boolean useEphemeralDevices, boolean useDedicatedTenancy, String launchTimeoutStr, boolean associatePublicIp,
String customDeviceMapping, boolean connectBySSHProcess, boolean monitoring,
boolean t2Unlimited, ConnectionStrategy connectionStrategy, int maxTotalUses, List<? extends NodeProperty<?>> nodeProperties, String staticHostKeys) {
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Please don't modify existing constructors

@fcojfernandez
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I don't have bandwith these days. @MRamonLeon could you please have a look at this PR? Because you worked on the host-key verification, your review might be actual valuable.

@KarstenSiemer
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Any progress on this?

while (scanner.hasNextLine()) {
String hostKeyString = scanner.nextLine();
String[] hostKeyParts = hostKeyString.split(" ");
if (hostKeyParts.length < 2 || hostKeyParts.length > 3) {
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Suggested change
if (hostKeyParts.length < 2 || hostKeyParts.length > 3) {
if (hostKeyParts.length != 2) {

String hostKeyString = scanner.nextLine();
String[] hostKeyParts = hostKeyString.split(" ");
if (hostKeyParts.length < 2 || hostKeyParts.length > 3) {
EC2Cloud.log(LOGGER, Level.WARNING, computer.getListener(), "The provided static SSH key is invalid");
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If you add the reason it would be appreciated, like:

the format is algorithm base64-public-key, example: ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHm0sVqkjSuaPg8e7zfaKXt3b1hE1tBwFsB18NOWv5ow

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