diff options
author | Magdalena GrodziĆska <mag.grodzinska@gmail.com> | 2020-01-14 22:53:45 +0100 |
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committer | GitHub <noreply@github.com> | 2020-01-14 22:53:45 +0100 |
commit | 47ff68f0535f90eb4b09cb8c9c88555abd900cc8 (patch) | |
tree | 4ed4b28dc3d97a74646c977c4efbf6471e7f6f67 /src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Stanik.java | |
parent | 50924560e8829914a4b8d315752c693890210c88 (diff) | |
parent | 42abac9eda30ba47ef6e710d0af22969f657a0cd (diff) |
Merge pull request #118 from m-chrzan/query_signer
Query signer
Diffstat (limited to 'src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Stanik.java')
-rw-r--r-- | src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Stanik.java | 51 |
1 files changed, 42 insertions, 9 deletions
diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Stanik.java b/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Stanik.java index 6e7d4dc..efc5605 100644 --- a/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Stanik.java +++ b/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Stanik.java @@ -1,12 +1,21 @@ package pl.edu.mimuw.cloudatlas.agent.modules; import java.nio.file.Path; +import java.rmi.RemoteException; +import java.security.InvalidKeyException; +import java.security.NoSuchAlgorithmException; +import java.security.PublicKey; import java.util.*; import java.util.AbstractMap.SimpleImmutableEntry; import java.util.Map.Entry; import pl.edu.mimuw.cloudatlas.agent.messages.*; import pl.edu.mimuw.cloudatlas.model.*; +import pl.edu.mimuw.cloudatlas.querysigner.*; + +import javax.crypto.BadPaddingException; +import javax.crypto.IllegalBlockSizeException; +import javax.crypto.NoSuchPaddingException; public class Stanik extends Module { private class InvalidUpdateAttributesMessage extends Exception { @@ -16,21 +25,24 @@ public class Stanik extends Module { } private ZMI hierarchy; - private HashMap<Attribute, Entry<ValueQuery, ValueTime>> queries; + private HashMap<Attribute, ValueQuery> queries; private long freshnessPeriod; private Set<ValueContact> contacts; private ValueTime contactsTimestamp; private PathName ourPath; + private PublicKey publicKey; public Stanik(PathName ourPath, long freshnessPeriod) { super(ModuleType.STATE); this.ourPath = ourPath; hierarchy = new ZMI(); - queries = new HashMap<Attribute, Entry<ValueQuery, ValueTime>>(); + queries = new HashMap<Attribute, ValueQuery>(); hierarchy.getAttributes().add("timestamp", new ValueTime(0l)); this.freshnessPeriod = freshnessPeriod; this.contactsTimestamp = ValueUtils.currentTime(); this.contacts = new HashSet<>(); + String publicKeyFile = System.getProperty("public_key_file"); + this.publicKey = KeyUtils.getPublicKey(publicKeyFile); setDefaultQueries(); } @@ -45,7 +57,7 @@ public class Stanik extends Module { private void setDefaultQuery(String name, String query) { try { ValueQuery queryValue = new ValueQuery(query); - queries.put(new Attribute(name), new SimpleImmutableEntry(queryValue, new ValueTime(0l))); + queries.put(new Attribute(name), queryValue); } catch (Exception e) { System.out.println("ERROR: failed to compile default query"); } @@ -89,7 +101,7 @@ public class Stanik extends Module { 0, message.getRequestId(), hierarchy.clone(), - (HashMap<Attribute, Entry<ValueQuery, ValueTime>>) queries.clone(), + (HashMap<Attribute, ValueQuery>) queries.clone(), contacts ); sendMessage(response); @@ -210,11 +222,32 @@ public class Stanik extends Module { } public void handleUpdateQueries(UpdateQueriesMessage message) { - for (Entry<Attribute, Entry<ValueQuery, ValueTime>> entry : message.getQueries().entrySet()) { + System.out.println("INFO: Stanik handles update queries"); + for (Entry<Attribute, ValueQuery> entry : message.getQueries().entrySet()) { Attribute attribute = entry.getKey(); - ValueTime timestamp = entry.getValue().getValue(); - Entry<ValueQuery, ValueTime> currentTimestampedQuery = queries.get(attribute); - if (currentTimestampedQuery == null || ValueUtils.valueLower(currentTimestampedQuery.getValue(), timestamp)) { + ValueQuery query = entry.getValue(); + try { + if (query.isInstalled()) { + QuerySignerApiImplementation.validateInstallQuery( + attribute.getName(), + QueryUtils.constructQueryData(query), + this.publicKey); + + } else { + QuerySignerApiImplementation.validateUninstallQuery( + attribute.getName(), + QueryUtils.constructQueryData(query), + this.publicKey); + } + } catch (RemoteException | IllegalBlockSizeException | InvalidKeyException | BadPaddingException | NoSuchAlgorithmException | NoSuchPaddingException | QuerySigner.InvalidQueryException e) { + System.out.println("ERROR: Query " + attribute.getName() + " was not updated in Stanik with error message " + e.getMessage()); + e.printStackTrace(); + continue; + } + ValueTime timestamp = new ValueTime(entry.getValue().getTimestamp()); + ValueQuery currentTimestampedQuery = queries.get(attribute); + if (currentTimestampedQuery == null || + ValueUtils.valueLower(new ValueTime(currentTimestampedQuery.getTimestamp()), timestamp)) { queries.put(entry.getKey(), entry.getValue()); } } @@ -273,7 +306,7 @@ public class Stanik extends Module { return hierarchy; } - public HashMap<Attribute, Entry<ValueQuery, ValueTime>> getQueries() { + public HashMap<Attribute, ValueQuery> getQueries() { return queries; } |