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json parsing exception handling, see Coverity issues 72297, 72296, 72295

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This commit is contained in:
Sebastian Stenzel
2016-03-04 01:20:38 +01:00
parent edf92adfec
commit d5b4fb4fe9
2 changed files with 9 additions and 0 deletions
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5
main/filesystem-crypto/src/main/java/org/cryptomator/crypto/engine/impl/CryptorImpl.java
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@@ -35,6 +35,7 @@ import org.cryptomator.crypto.engine.UnsupportedVaultFormatException;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.exc.InvalidFormatException;
class CryptorImpl implements Cryptor {
@@ -99,9 +100,13 @@ class CryptorImpl implements Cryptor {
try {
final ObjectMapper om = new ObjectMapper();
keyFile = om.readValue(masterkeyFileContents, KeyFile.class);
if (keyFile == null) {
throw new InvalidFormatException("Could not read masterkey file", keyFile, KeyFile.class);
}
} catch (IOException e) {
throw new IllegalArgumentException("Unable to parse masterkeyFileContents", e);
}
assert keyFile != null;
// check version
if (keyFile.getVersion() != CURRENT_VAULT_VERSION || ArrayUtils.isEmpty(keyFile.getVersionMac())) {

4
main/ui/src/main/java/org/cryptomator/ui/model/VaultObjectMapperProvider.java
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@@ -27,6 +27,7 @@ import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.exc.InvalidFormatException;
import com.fasterxml.jackson.databind.module.SimpleModule;
@Singleton
@@ -70,6 +71,9 @@ public class VaultObjectMapperProvider implements Provider<ObjectMapper> {
@Override
public Vault deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException, JsonProcessingException {
final JsonNode node = jp.readValueAsTree();
if (node == null || !node.has("path")) {
throw new InvalidFormatException("Node is null or doesn't contain a path.", node, Vault.class);
}
final String pathStr = node.get("path").asText();
final Path path = FileSystems.getDefault().getPath(pathStr);
final Vault vault = vaultFactoy.createVault(path);