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Posted to notifications@james.apache.org by rc...@apache.org on 2021/04/27 02:53:44 UTC

[james-project] 03/06: JAMES-3557 */changes: Fail explicitly when too much entries on a single change

This is an automated email from the ASF dual-hosted git repository.

rcordier pushed a commit to branch 3.6.x
in repository https://gitbox.apache.org/repos/asf/james-project.git

commit 50bd76cd3151f7e7bc0135384fdb484ca88e51a4
Author: Benoit Tellier <bt...@linagora.com>
AuthorDate: Fri Apr 9 12:00:46 2021 +0700

    JAMES-3557 */changes: Fail explicitly when too much entries on a single change
---
 .../change/CanNotCalculateChangesException.java    |  26 +++++
 .../apache/james/jmap/api/change/EmailChanges.java |   4 +
 .../james/jmap/api/change/MailboxChanges.java      |   4 +
 .../api/change/EmailChangeRepositoryContract.java  |  27 +++--
 .../change/MailboxChangeRepositoryContract.java    |  11 ++-
 .../contract/EmailChangesMethodContract.scala      | 110 +++++++++++++++++++++
 .../james/jmap/method/EmailChangesMethod.scala     |   8 +-
 .../james/jmap/method/MailboxChangesMethod.scala   |   8 +-
 8 files changed, 173 insertions(+), 25 deletions(-)

diff --git a/server/data/data-jmap/src/main/java/org/apache/james/jmap/api/change/CanNotCalculateChangesException.java b/server/data/data-jmap/src/main/java/org/apache/james/jmap/api/change/CanNotCalculateChangesException.java
new file mode 100644
index 0000000..91bc2d0
--- /dev/null
+++ b/server/data/data-jmap/src/main/java/org/apache/james/jmap/api/change/CanNotCalculateChangesException.java
@@ -0,0 +1,26 @@
+/****************************************************************
+ * Licensed to the Apache Software Foundation (ASF) under one   *
+ * or more contributor license agreements.  See the NOTICE file *
+ * distributed with this work for additional information        *
+ * regarding copyright ownership.  The ASF licenses this file   *
+ * to you under the Apache License, Version 2.0 (the            *
+ * "License"); you may not use this file except in compliance   *
+ * with the License.  You may obtain a copy of the License at   *
+ *                                                              *
+ *   http://www.apache.org/licenses/LICENSE-2.0                 *
+ *                                                              *
+ * Unless required by applicable law or agreed to in writing,   *
+ * software distributed under the License is distributed on an  *
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
+ * KIND, either express or implied.  See the License for the    *
+ * specific language governing permissions and limitations      *
+ * under the License.                                           *
+ ****************************************************************/
+
+package org.apache.james.jmap.api.change;
+
+public class CanNotCalculateChangesException extends RuntimeException {
+    public CanNotCalculateChangesException(String message) {
+        super(message);
+    }
+}
diff --git a/server/data/data-jmap/src/main/java/org/apache/james/jmap/api/change/EmailChanges.java b/server/data/data-jmap/src/main/java/org/apache/james/jmap/api/change/EmailChanges.java
index 7cb78ab..807a058 100644
--- a/server/data/data-jmap/src/main/java/org/apache/james/jmap/api/change/EmailChanges.java
+++ b/server/data/data-jmap/src/main/java/org/apache/james/jmap/api/change/EmailChanges.java
@@ -129,6 +129,10 @@ public class EmailChanges {
         }
 
         public EmailChanges build() {
+            if (hasMoreChanges && created.isEmpty() && updated.isEmpty() && destroyed.isEmpty()) {
+                throw new CanNotCalculateChangesException(String.format("Current change collector limit %d is exceeded by a single change, hence we cannot calculate changes.", limit.getValue()));
+            }
+
             return new EmailChanges(state, hasMoreChanges, created, updated, destroyed);
         }
     }
diff --git a/server/data/data-jmap/src/main/java/org/apache/james/jmap/api/change/MailboxChanges.java b/server/data/data-jmap/src/main/java/org/apache/james/jmap/api/change/MailboxChanges.java
index 29522df..32a2160 100644
--- a/server/data/data-jmap/src/main/java/org/apache/james/jmap/api/change/MailboxChanges.java
+++ b/server/data/data-jmap/src/main/java/org/apache/james/jmap/api/change/MailboxChanges.java
@@ -133,6 +133,10 @@ public class MailboxChanges {
         }
 
         public MailboxChanges build() {
+            if (hasMoreChanges && created.isEmpty() && updated.isEmpty() && destroyed.isEmpty()) {
+                throw new CanNotCalculateChangesException(String.format("Current change collector limit %d is exceeded by a single change, hence we cannot calculate changes.", limit.getValue()));
+            }
+
             return new MailboxChanges(state, hasMoreChanges, isCountChangeOnly, created, updated, destroyed);
         }
 
diff --git a/server/data/data-jmap/src/test/java/org/apache/james/jmap/api/change/EmailChangeRepositoryContract.java b/server/data/data-jmap/src/test/java/org/apache/james/jmap/api/change/EmailChangeRepositoryContract.java
index d72b4a4..d2a6641 100644
--- a/server/data/data-jmap/src/test/java/org/apache/james/jmap/api/change/EmailChangeRepositoryContract.java
+++ b/server/data/data-jmap/src/test/java/org/apache/james/jmap/api/change/EmailChangeRepositoryContract.java
@@ -445,7 +445,7 @@ public interface EmailChangeRepositoryContract {
     }
 
     @Test
-    default void getChangesShouldReturnEmptyWhenNumberOfChangesExceedMaxChanges() {
+    default void getChangesShoulThrowWhenNumberOfChangesExceedMaxChanges() {
         EmailChangeRepository repository = emailChangeRepository();
 
         State state = generateNewState();
@@ -470,18 +470,12 @@ public interface EmailChangeRepositoryContract {
             .isDelegated(false)
             .created(messageId2, messageId3)
             .build();
-        EmailChange change2 = EmailChange.builder()
-            .accountId(ACCOUNT_ID)
-            .state(generateNewState())
-            .date(DATE)
-            .isDelegated(false)
-            .created(messageId4, messageId5)
-            .build();
         repository.save(oldState).block();
         repository.save(change1).block();
 
-        assertThat(repository.getSinceState(ACCOUNT_ID, state, Optional.of(Limit.of(1))).block().getAllChanges())
-            .isEmpty();
+        assertThatThrownBy(() -> repository.getSinceState(ACCOUNT_ID, state, Optional.of(Limit.of(1))).block().getAllChanges())
+            .isInstanceOf(CanNotCalculateChangesException.class)
+            .hasMessage("Current change collector limit 1 is exceeded by a single change, hence we cannot calculate changes.");
     }
 
     @Test
@@ -552,13 +546,13 @@ public interface EmailChangeRepositoryContract {
             .state(generateNewState())
             .date(DATE)
             .isDelegated(false)
-            .updated(messageId2, messageId3)
+            .updated(messageId2, messageId1)
             .build();
         repository.save(oldState).block();
         repository.save(change1).block();
         repository.save(change2).block();
 
-        assertThat(repository.getSinceState(ACCOUNT_ID, state, Optional.of(Limit.of(1))).block().hasMoreChanges())
+        assertThat(repository.getSinceState(ACCOUNT_ID, state, Optional.of(Limit.of(2))).block().hasMoreChanges())
             .isTrue();
     }
 
@@ -1083,7 +1077,7 @@ public interface EmailChangeRepositoryContract {
     }
 
     @Test
-    default void getSinceStateWithDelegationShouldReturnEmptyWhenNumberOfChangesExceedMaxChanges() {
+    default void getSinceStateWithDelegationShouldThrowWhenNumberOfChangesExceedMaxChanges() {
         EmailChangeRepository repository = emailChangeRepository();
 
         State state = generateNewState();
@@ -1112,8 +1106,9 @@ public interface EmailChangeRepositoryContract {
         repository.save(oldState).block();
         repository.save(change1).block();
 
-        assertThat(repository.getSinceStateWithDelegation(ACCOUNT_ID, state, Optional.of(Limit.of(1))).block().getAllChanges())
-            .isEmpty();
+        assertThatThrownBy(() -> repository.getSinceStateWithDelegation(ACCOUNT_ID, state, Optional.of(Limit.of(1))).block().getAllChanges())
+            .isInstanceOf(CanNotCalculateChangesException.class)
+            .hasMessage("Current change collector limit 1 is exceeded by a single change, hence we cannot calculate changes.");
     }
 
     @Test
@@ -1182,7 +1177,7 @@ public interface EmailChangeRepositoryContract {
         repository.save(change1).block();
         repository.save(change2).block();
 
-        assertThat(repository.getSinceStateWithDelegation(ACCOUNT_ID, state, Optional.of(Limit.of(1))).block().hasMoreChanges())
+        assertThat(repository.getSinceStateWithDelegation(ACCOUNT_ID, state, Optional.of(Limit.of(2))).block().hasMoreChanges())
             .isTrue();
     }
 
diff --git a/server/data/data-jmap/src/test/java/org/apache/james/jmap/api/change/MailboxChangeRepositoryContract.java b/server/data/data-jmap/src/test/java/org/apache/james/jmap/api/change/MailboxChangeRepositoryContract.java
index fc895a8..cd6ad4a 100644
--- a/server/data/data-jmap/src/test/java/org/apache/james/jmap/api/change/MailboxChangeRepositoryContract.java
+++ b/server/data/data-jmap/src/test/java/org/apache/james/jmap/api/change/MailboxChangeRepositoryContract.java
@@ -376,7 +376,7 @@ public interface MailboxChangeRepositoryContract {
     }
 
     @Test
-    default void getChangesShouldReturnEmptyWhenNumberOfChangesExceedMaxChanges() {
+    default void getChangesShouldReturnThrowWhenNumberOfChangesExceedMaxChanges() {
         MailboxChangeRepository repository = mailboxChangeRepository();
         State.Factory stateFactory = stateFactory();
         State referenceState = stateFactory.generate();
@@ -389,8 +389,9 @@ public interface MailboxChangeRepositoryContract {
         repository.save(oldState).block();
         repository.save(change1).block();
 
-        assertThat(repository.getSinceState(ACCOUNT_ID, referenceState, Optional.of(Limit.of(1))).block().getAllChanges())
-            .isEmpty();
+        assertThatThrownBy(() -> repository.getSinceState(ACCOUNT_ID, referenceState, Optional.of(Limit.of(1))).block().getAllChanges())
+            .isInstanceOf(CanNotCalculateChangesException.class)
+            .hasMessage("Current change collector limit 1 is exceeded by a single change, hence we cannot calculate changes.");
     }
 
     @Test
@@ -424,12 +425,12 @@ public interface MailboxChangeRepositoryContract {
         MailboxId id3 = generateNewMailboxId();
         MailboxChange oldState = MailboxChange.builder().accountId(ACCOUNT_ID).state(referenceState).date(DATE.minusHours(2)).isCountChange(false).created(ImmutableList.of(id1)).build();
         MailboxChange change1 = MailboxChange.builder().accountId(ACCOUNT_ID).state(stateFactory.generate()).date(DATE.minusHours(1)).isCountChange(false).created(ImmutableList.of(id2, id3)).build();
-        MailboxChange change2 = MailboxChange.builder().accountId(ACCOUNT_ID).state(stateFactory.generate()).date(DATE).isCountChange(false).updated(ImmutableList.of(id2, id3)).build();
+        MailboxChange change2 = MailboxChange.builder().accountId(ACCOUNT_ID).state(stateFactory.generate()).date(DATE).isCountChange(false).updated(ImmutableList.of(id2, id1)).build();
         repository.save(oldState).block();
         repository.save(change1).block();
         repository.save(change2).block();
 
-        assertThat(repository.getSinceState(ACCOUNT_ID, referenceState, Optional.of(Limit.of(1))).block().hasMoreChanges())
+        assertThat(repository.getSinceState(ACCOUNT_ID, referenceState, Optional.of(Limit.of(2))).block().hasMoreChanges())
             .isTrue();
     }
 
diff --git a/server/protocols/jmap-rfc-8621-integration-tests/jmap-rfc-8621-integration-tests-common/src/main/scala/org/apache/james/jmap/rfc8621/contract/EmailChangesMethodContract.scala b/server/protocols/jmap-rfc-8621-integration-tests/jmap-rfc-8621-integration-tests-common/src/main/scala/org/apache/james/jmap/rfc8621/contract/EmailChangesMethodContract.scala
index 80f7306..59222f7 100644
--- a/server/protocols/jmap-rfc-8621-integration-tests/jmap-rfc-8621-integration-tests-common/src/main/scala/org/apache/james/jmap/rfc8621/contract/EmailChangesMethodContract.scala
+++ b/server/protocols/jmap-rfc-8621-integration-tests/jmap-rfc-8621-integration-tests-common/src/main/scala/org/apache/james/jmap/rfc8621/contract/EmailChangesMethodContract.scala
@@ -198,6 +198,116 @@ trait EmailChangesMethodContract {
   }
 
   @Test
+  def shouldFailWithCannotCalculateChangesWhenSingleChangeIsTooLarge(server: GuiceJamesServer): Unit = {
+    val mailboxProbe: MailboxProbeImpl = server.getProbe(classOf[MailboxProbeImpl])
+    val path: MailboxPath = MailboxPath.forUser(BOB, "mailbox1")
+
+    mailboxProbe.createMailbox(path)
+
+    val message: Message = Message.Builder
+      .of
+      .setSubject("test")
+      .setBody("testmail", StandardCharsets.UTF_8)
+      .build
+    val messageId1: MessageId = mailboxProbe.appendMessage(BOB.asString(), path, AppendCommand.from(message)).getMessageId
+    val state1: State = waitForNextState(server, AccountId.fromUsername(BOB), State.INITIAL)
+    val messageId2: MessageId = mailboxProbe.appendMessage(BOB.asString(), path, AppendCommand.from(message)).getMessageId
+    val state2: State = waitForNextState(server, AccountId.fromUsername(BOB), State.INITIAL)
+    val messageId3: MessageId = mailboxProbe.appendMessage(BOB.asString(), path, AppendCommand.from(message)).getMessageId
+    val state3: State = waitForNextState(server, AccountId.fromUsername(BOB), State.INITIAL)
+    val messageId4: MessageId = mailboxProbe.appendMessage(BOB.asString(), path, AppendCommand.from(message)).getMessageId
+    val state4: State = waitForNextState(server, AccountId.fromUsername(BOB), State.INITIAL)
+    val messageId5: MessageId = mailboxProbe.appendMessage(BOB.asString(), path, AppendCommand.from(message)).getMessageId
+    val state5: State = waitForNextState(server, AccountId.fromUsername(BOB), State.INITIAL)
+    val messageId6: MessageId = mailboxProbe.appendMessage(BOB.asString(), path, AppendCommand.from(message)).getMessageId
+    val state6: State = waitForNextState(server, AccountId.fromUsername(BOB), State.INITIAL)
+
+    val updateEmail =
+      s"""{
+         |  "using": [
+         |    "urn:ietf:params:jmap:core",
+         |    "urn:ietf:params:jmap:mail"],
+         |  "methodCalls": [
+         |  ["Email/set",
+         |    {
+         |      "accountId": "$ACCOUNT_ID",
+         |      "update": {
+         |        "${messageId1.serialize}":{
+         |          "keywords/$$flagged": true
+         |        },
+         |        "${messageId2.serialize}":{
+         |          "keywords/$$flagged": true
+         |        },
+         |        "${messageId3.serialize}":{
+         |          "keywords/$$flagged": true
+         |        },
+         |        "${messageId4.serialize}":{
+         |          "keywords/$$flagged": true
+         |        },
+         |        "${messageId5.serialize}":{
+         |          "keywords/$$flagged": true
+         |        },
+         |        "${messageId6.serialize}":{
+         |          "keywords/$$flagged": true
+         |        }
+         |      }
+         |    },
+         |    "c1"]]
+         |}""".stripMargin
+
+    `with`()
+      .header(ACCEPT.toString, ACCEPT_RFC8621_VERSION_HEADER)
+      .body(updateEmail)
+      .post
+    .`then`
+      .statusCode(SC_OK)
+      .contentType(JSON)
+      .extract
+      .body
+      .asString
+
+    val request =
+      s"""{
+         |  "using": ["urn:ietf:params:jmap:core", "urn:ietf:params:jmap:mail"],
+         |  "methodCalls": [[
+         |    "Email/changes",
+         |    {
+         |      "accountId": "$ACCOUNT_ID",
+         |      "sinceState": "${state6.getValue}"
+         |    },
+         |    "c1"]]
+         |}""".stripMargin
+
+    awaitAtMostTenSeconds.untilAsserted { () =>
+      val response = `given`
+        .header(ACCEPT.toString, ACCEPT_RFC8621_VERSION_HEADER)
+        .body(request)
+      .when
+        .post
+      .`then`
+        .statusCode(SC_OK)
+        .contentType(JSON)
+        .extract
+        .body
+        .asString
+
+      assertThatJson(response)
+        .inPath("methodResponses[0]")
+        .isEqualTo(
+          s"""[
+             |  "error",
+             |  {
+             |    "type": "cannotCalculateChanges",
+             |    "description": "Current change collector limit 5 is exceeded by a single change, hence we cannot calculate changes."
+             |  },
+             |  "c1"
+             |]""".stripMargin)
+    }
+  }
+
+
+
+  @Test
   def shouldReturnUpdatedWhenMessageMove(server: GuiceJamesServer): Unit = {
     val mailboxProbe: MailboxProbeImpl = server.getProbe(classOf[MailboxProbeImpl])
     val path: MailboxPath = MailboxPath.forUser(BOB, "mailbox1")
diff --git a/server/protocols/jmap-rfc-8621/src/main/scala/org/apache/james/jmap/method/EmailChangesMethod.scala b/server/protocols/jmap-rfc-8621/src/main/scala/org/apache/james/jmap/method/EmailChangesMethod.scala
index d33a3c6..d83525d 100644
--- a/server/protocols/jmap-rfc-8621/src/main/scala/org/apache/james/jmap/method/EmailChangesMethod.scala
+++ b/server/protocols/jmap-rfc-8621/src/main/scala/org/apache/james/jmap/method/EmailChangesMethod.scala
@@ -21,11 +21,11 @@ package org.apache.james.jmap.method
 
 import eu.timepit.refined.auto._
 import javax.inject.Inject
-import org.apache.james.jmap.api.change.{EmailChangeRepository, EmailChanges, State => JavaState}
+import org.apache.james.jmap.api.change.{CanNotCalculateChangesException, EmailChangeRepository, EmailChanges, State => JavaState}
 import org.apache.james.jmap.api.model.{AccountId => JavaAccountId}
 import org.apache.james.jmap.core.CapabilityIdentifier.{CapabilityIdentifier, JAMES_SHARES, JMAP_MAIL}
 import org.apache.james.jmap.core.Invocation.{Arguments, MethodName}
-import org.apache.james.jmap.core.{Invocation, State}
+import org.apache.james.jmap.core.{ErrorCode, Invocation, State}
 import org.apache.james.jmap.json.{EmailGetSerializer, ResponseSerializer}
 import org.apache.james.jmap.mail.{EmailChangesRequest, EmailChangesResponse, HasMoreChanges}
 import org.apache.james.jmap.routes.SessionSupplier
@@ -66,6 +66,10 @@ class EmailChangesMethod @Inject()(val metricFactory: MetricFactory,
           arguments = Arguments(EmailGetSerializer.serializeChanges(response)),
           methodCallId = invocation.invocation.methodCallId),
         processingContext = invocation.processingContext))
+      .onErrorResume {
+        case e: CanNotCalculateChangesException => SMono.just(InvocationWithContext(Invocation.error(ErrorCode.CannotCalculateChanges, e.getMessage, invocation.invocation.methodCallId), invocation.processingContext))
+        case e => SMono.error(e)
+      }
 
   override def getRequest(mailboxSession: MailboxSession, invocation: Invocation): Either[IllegalArgumentException, EmailChangesRequest] =
     EmailGetSerializer.deserializeEmailChangesRequest(invocation.arguments.value) match {
diff --git a/server/protocols/jmap-rfc-8621/src/main/scala/org/apache/james/jmap/method/MailboxChangesMethod.scala b/server/protocols/jmap-rfc-8621/src/main/scala/org/apache/james/jmap/method/MailboxChangesMethod.scala
index d96361b..9f91b78 100644
--- a/server/protocols/jmap-rfc-8621/src/main/scala/org/apache/james/jmap/method/MailboxChangesMethod.scala
+++ b/server/protocols/jmap-rfc-8621/src/main/scala/org/apache/james/jmap/method/MailboxChangesMethod.scala
@@ -21,11 +21,11 @@ package org.apache.james.jmap.method
 
 import eu.timepit.refined.auto._
 import javax.inject.Inject
-import org.apache.james.jmap.api.change.{MailboxChangeRepository, MailboxChanges, State => JavaState}
+import org.apache.james.jmap.api.change.{CanNotCalculateChangesException, MailboxChangeRepository, MailboxChanges, State => JavaState}
 import org.apache.james.jmap.api.model.{AccountId => JavaAccountId}
 import org.apache.james.jmap.core.CapabilityIdentifier.{CapabilityIdentifier, JMAP_MAIL}
 import org.apache.james.jmap.core.Invocation.{Arguments, MethodName}
-import org.apache.james.jmap.core.{CapabilityIdentifier, Invocation, Properties, State}
+import org.apache.james.jmap.core.{CapabilityIdentifier, ErrorCode, Invocation, Properties, State}
 import org.apache.james.jmap.json.{MailboxSerializer, ResponseSerializer}
 import org.apache.james.jmap.mail.{HasMoreChanges, MailboxChangesRequest, MailboxChangesResponse}
 import org.apache.james.jmap.method.MailboxChangesMethod.updatedProperties
@@ -73,6 +73,10 @@ class MailboxChangesMethod @Inject()(mailboxSerializer: MailboxSerializer,
           arguments = Arguments(mailboxSerializer.serializeChanges(response)),
           methodCallId = invocation.invocation.methodCallId),
         processingContext = invocation.processingContext))
+      .onErrorResume {
+        case e: CanNotCalculateChangesException => SMono.just(InvocationWithContext(Invocation.error(ErrorCode.CannotCalculateChanges, e.getMessage, invocation.invocation.methodCallId), invocation.processingContext))
+        case e => SMono.error(e)
+      }
 
   override def getRequest(mailboxSession: MailboxSession, invocation: Invocation): Either[IllegalArgumentException, MailboxChangesRequest] =
     mailboxSerializer.deserializeMailboxChangesRequest(invocation.arguments.value) match {

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