Message IDs are apparently generated from the latin1 encoding of a message. Added a command to check/fix that.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3833 ed5197a5-7fde-0310-b194-c3ffbd925b24
2022-02-10 03:58:33 +00:00
parent 557ae6ee5a
commit d4135f7133
6 changed files with 205 additions and 13 deletions
--- a/src/ssb.db.c
+++ b/src/ssb.db.c
@@ -507,3 +507,101 @@ void tf_ssb_db_visit_query(tf_ssb_t* ssb, const char* query, const JSValue binds
 	}
 	sqlite3_set_authorizer(db, NULL, NULL);
 }
+
+static JSValue _tf_ssb_format_message(JSContext* context, const char* previous, const char* author, int64_t sequence, int64_t timestamp, const char* hash, const char* content, const char* signature, bool sequence_before_author)
+{
+	JSValue value = JS_NewObject(context);
+	JS_SetPropertyStr(context, value, "previous", previous ? JS_NewString(context, previous) : JS_NULL);
+	if (sequence_before_author)
+	{
+		JS_SetPropertyStr(context, value, "sequence", JS_NewInt64(context, sequence));
+		JS_SetPropertyStr(context, value, "author", JS_NewString(context, author));
+	}
+	else
+	{
+		JS_SetPropertyStr(context, value, "author", JS_NewString(context, author));
+		JS_SetPropertyStr(context, value, "sequence", JS_NewInt64(context, sequence));
+	}
+	JS_SetPropertyStr(context, value, "timestamp", JS_NewInt64(context, timestamp));
+	JS_SetPropertyStr(context, value, "hash", JS_NewString(context, hash));
+	JS_SetPropertyStr(context, value, "content", JS_ParseJSON(context, content, strlen(content), NULL));
+	JS_SetPropertyStr(context, value, "signature", JS_NewString(context, signature));
+	return value;
+}
+
+bool _tf_ssb_update_message_id(sqlite3* db, const char* old_id, const char* new_id)
+{
+	bool success = false;
+	sqlite3_stmt* statement = NULL;
+	if (sqlite3_prepare(db, "UPDATE messages SET id = ? WHERE id = ?", -1, &statement, NULL) == SQLITE_OK)
+	{
+		if (sqlite3_bind_text(statement, 1, new_id, -1, NULL) == SQLITE_OK &&
+			sqlite3_bind_text(statement, 2, old_id, -1, NULL) == SQLITE_OK)
+		{
+			success = sqlite3_step(statement) == SQLITE_DONE;
+		}
+		sqlite3_finalize(statement);
+	}
+	return success;
+}
+
+bool tf_ssb_db_check(sqlite3* db)
+{
+	JSRuntime* runtime = JS_NewRuntime();
+	JSContext* context = JS_NewContext(runtime);
+
+	sqlite3_stmt* statement = NULL;
+	if (sqlite3_prepare(db, "SELECT id, previous, author, sequence, timestamp, hash, content, signature, sequence_before_author FROM messages ORDER BY author, sequence", -1, &statement, NULL) == SQLITE_OK)
+	{
+		char previous_id[k_id_base64_len];
+		while (sqlite3_step(statement) == SQLITE_ROW)
+		{
+			const char* id = (const char*)sqlite3_column_text(statement, 0);
+			const char* previous = (const char*)sqlite3_column_text(statement, 1);
+			const char* author = (const char*)sqlite3_column_text(statement, 2);
+			int64_t sequence = sqlite3_column_int64(statement, 3);
+			int64_t timestamp = sqlite3_column_int64(statement, 4);
+			const char* hash = (const char*)sqlite3_column_text(statement, 5);
+			const char* content = (const char*)sqlite3_column_text(statement, 6);
+			const char* signature = (const char*)sqlite3_column_text(statement, 7);
+			bool sequence_before_author = sqlite3_column_int(statement, 8);
+			JSValue message = _tf_ssb_format_message(context, previous, author, sequence, timestamp, hash, content, signature, sequence_before_author);
+			char out_signature[512];
+			char actual_id[k_id_base64_len];
+			bool actual_sequence_before_author = false;
+			JSValue j = JS_JSONStringify(context, message, JS_NULL, JS_NewInt32(context, 2));
+			const char* jv = JS_ToCString(context, j);
+			if (tf_ssb_verify_and_strip_signature(context, message, actual_id, sizeof(actual_id), out_signature, sizeof(out_signature), &actual_sequence_before_author))
+			{
+				/*if (previous && strcmp(previous, previous_id))
+				{
+					printf("%s:%d previous was %s should be %s\n", id, (int)sequence, previous_id, previous);
+				}*/
+				if (strcmp(id, actual_id))
+				{
+					if (_tf_ssb_update_message_id(db, id, actual_id))
+					{
+						printf("updated %s to %s\n", id, actual_id);
+					}
+					else
+					{
+						printf("failed to update %s to %s\n", id, actual_id);
+					}
+				}
+			}
+			else
+			{
+				printf("unable to verify signature for %s\n", id);
+			}
+			JS_FreeCString(context, jv);
+			JS_FreeValue(context, j);
+			snprintf(previous_id, sizeof(previous_id), "%s", id);
+			JS_FreeValue(context, message);
+		}
+		sqlite3_finalize(statement);
+	}
+
+	JS_FreeContext(context);
+	JS_FreeRuntime(runtime);
+	return false;
+}