Deduplicate messages before storing in database

This commit is contained in:
Marvin W 2023-02-06 14:39:59 +01:00
parent d76e12b215
commit f74c1f18b1
No known key found for this signature in database
GPG key ID: 072E9235DB996F2A

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@ -34,9 +34,9 @@ public class MessageProcessor : StreamInteractionModule, Object {
this.db = db;
this.history_sync = new HistorySync(db, stream_interactor);
received_pipeline.connect(new DeduplicateMessageListener(this, db));
received_pipeline.connect(new DeduplicateMessageListener(this));
received_pipeline.connect(new FilterMessageListener());
received_pipeline.connect(new StoreMessageListener(stream_interactor));
received_pipeline.connect(new StoreMessageListener(this, stream_interactor));
received_pipeline.connect(new StoreContentItemListener(stream_interactor));
received_pipeline.connect(new MamMessageListener(stream_interactor));
@ -233,6 +233,67 @@ public class MessageProcessor : StreamInteractionModule, Object {
return Entities.Message.Type.CHAT;
}
private bool is_duplicate(Entities.Message message, Xmpp.MessageStanza stanza, Conversation conversation) {
Account account = conversation.account;
// Deduplicate by server_id
if (message.server_id != null) {
QueryBuilder builder = db.message.select()
.with(db.message.server_id, "=", message.server_id)
.with(db.message.counterpart_id, "=", db.get_jid_id(message.counterpart))
.with(db.message.account_id, "=", account.id);
// If the message is a duplicate
if (builder.count() > 0) {
history_sync.on_server_id_duplicate(account, stanza, message);
return true;
}
}
// Deduplicate messages by uuid
bool is_uuid = message.stanza_id != null && Regex.match_simple("""[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}""", message.stanza_id);
if (is_uuid) {
QueryBuilder builder = db.message.select()
.with(db.message.stanza_id, "=", message.stanza_id)
.with(db.message.counterpart_id, "=", db.get_jid_id(message.counterpart))
.with(db.message.account_id, "=", account.id);
if (message.direction == Message.DIRECTION_RECEIVED) {
if (message.counterpart.resourcepart != null) {
builder.with(db.message.counterpart_resource, "=", message.counterpart.resourcepart);
} else {
builder.with_null(db.message.counterpart_resource);
}
} else if (message.direction == Message.DIRECTION_SENT) {
if (message.ourpart.resourcepart != null) {
builder.with(db.message.our_resource, "=", message.ourpart.resourcepart);
} else {
builder.with_null(db.message.our_resource);
}
}
bool duplicate = builder.single().row().is_present();
return duplicate;
}
// Deduplicate messages based on content and metadata
QueryBuilder builder = db.message.select()
.with(db.message.account_id, "=", account.id)
.with(db.message.counterpart_id, "=", db.get_jid_id(message.counterpart))
.with(db.message.body, "=", message.body)
.with(db.message.time, "<", (long) message.time.add_minutes(1).to_unix())
.with(db.message.time, ">", (long) message.time.add_minutes(-1).to_unix());
if (message.stanza_id != null) {
builder.with(db.message.stanza_id, "=", message.stanza_id);
} else {
builder.with_null(db.message.stanza_id);
}
if (message.counterpart.resourcepart != null) {
builder.with(db.message.counterpart_resource, "=", message.counterpart.resourcepart);
} else {
builder.with_null(db.message.counterpart_resource);
}
return builder.count() > 0;
}
private class DeduplicateMessageListener : MessageListener {
public string[] after_actions_const = new string[]{ "FILTER_EMPTY", "MUC" };
@ -240,73 +301,13 @@ public class MessageProcessor : StreamInteractionModule, Object {
public override string[] after_actions { get { return after_actions_const; } }
private MessageProcessor outer;
private Database db;
public DeduplicateMessageListener(MessageProcessor outer, Database db) {
public DeduplicateMessageListener(MessageProcessor outer) {
this.outer = outer;
this.db = db;
}
public override async bool run(Entities.Message message, Xmpp.MessageStanza stanza, Conversation conversation) {
Account account = conversation.account;
// Deduplicate by server_id
if (message.server_id != null) {
QueryBuilder builder = db.message.select()
.with(db.message.server_id, "=", message.server_id)
.with(db.message.counterpart_id, "=", db.get_jid_id(message.counterpart))
.with(db.message.account_id, "=", account.id);
// If the message is a duplicate
if (builder.count() > 0) {
outer.history_sync.on_server_id_duplicate(account, stanza, message);
return true;
}
}
// Deduplicate messages by uuid
bool is_uuid = message.stanza_id != null && Regex.match_simple("""[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}""", message.stanza_id);
if (is_uuid) {
QueryBuilder builder = db.message.select()
.with(db.message.stanza_id, "=", message.stanza_id)
.with(db.message.counterpart_id, "=", db.get_jid_id(message.counterpart))
.with(db.message.account_id, "=", account.id);
if (message.direction == Message.DIRECTION_RECEIVED) {
if (message.counterpart.resourcepart != null) {
builder.with(db.message.counterpart_resource, "=", message.counterpart.resourcepart);
} else {
builder.with_null(db.message.counterpart_resource);
}
} else if (message.direction == Message.DIRECTION_SENT) {
if (message.ourpart.resourcepart != null) {
builder.with(db.message.our_resource, "=", message.ourpart.resourcepart);
} else {
builder.with_null(db.message.our_resource);
}
}
bool duplicate = builder.single().row().is_present();
return duplicate;
}
// Deduplicate messages based on content and metadata
QueryBuilder builder = db.message.select()
.with(db.message.account_id, "=", account.id)
.with(db.message.counterpart_id, "=", db.get_jid_id(message.counterpart))
.with(db.message.body, "=", message.body)
.with(db.message.time, "<", (long) message.time.add_minutes(1).to_unix())
.with(db.message.time, ">", (long) message.time.add_minutes(-1).to_unix());
if (message.stanza_id != null) {
builder.with(db.message.stanza_id, "=", message.stanza_id);
} else {
builder.with_null(db.message.stanza_id);
}
if (message.counterpart.resourcepart != null) {
builder.with(db.message.counterpart_resource, "=", message.counterpart.resourcepart);
} else {
builder.with_null(db.message.counterpart_resource);
}
return builder.count() > 0;
return outer.is_duplicate(message, stanza, conversation);
}
}
@ -327,14 +328,17 @@ public class MessageProcessor : StreamInteractionModule, Object {
public override string action_group { get { return "STORE"; } }
public override string[] after_actions { get { return after_actions_const; } }
private MessageProcessor outer;
private StreamInteractor stream_interactor;
public StoreMessageListener(StreamInteractor stream_interactor) {
public StoreMessageListener(MessageProcessor outer, StreamInteractor stream_interactor) {
this.outer = outer;
this.stream_interactor = stream_interactor;
}
public override async bool run(Entities.Message message, Xmpp.MessageStanza stanza, Conversation conversation) {
if (message.body == null) return true;
if (message.body == null || outer.is_duplicate(message, stanza, conversation)) return true;
stream_interactor.get_module(MessageStorage.IDENTITY).add_message(message, conversation);
return false;
}