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Diffstat (limited to 'Firestore/core/src/firebase/firestore/remote/serializer.cc')
-rw-r--r--Firestore/core/src/firebase/firestore/remote/serializer.cc220
1 files changed, 111 insertions, 109 deletions
diff --git a/Firestore/core/src/firebase/firestore/remote/serializer.cc b/Firestore/core/src/firebase/firestore/remote/serializer.cc
index ce133e6..28d9907 100644
--- a/Firestore/core/src/firebase/firestore/remote/serializer.cc
+++ b/Firestore/core/src/firebase/firestore/remote/serializer.cc
@@ -73,113 +73,6 @@ void EncodeTimestamp(Writer* writer, const Timestamp& timestamp_value) {
&timestamp_proto);
}
-Timestamp DecodeTimestamp(Reader* reader) {
- if (!reader->status().ok()) return {};
-
- google_protobuf_Timestamp timestamp_proto =
- google_protobuf_Timestamp_init_zero;
- reader->ReadNanopbMessage(google_protobuf_Timestamp_fields, &timestamp_proto);
-
- // The Timestamp ctor will assert if we provide values outside the valid
- // range. However, since we're decoding, a single corrupt byte could cause
- // this to occur, so we'll verify the ranges before passing them in since we'd
- // rather not abort in these situations.
- if (timestamp_proto.seconds < TimestampInternal::Min().seconds()) {
- reader->set_status(Status(
- FirestoreErrorCode::DataLoss,
- "Invalid message: timestamp beyond the earliest supported date"));
- return {};
- } else if (TimestampInternal::Max().seconds() < timestamp_proto.seconds) {
- reader->set_status(
- Status(FirestoreErrorCode::DataLoss,
- "Invalid message: timestamp behond the latest supported date"));
- return {};
- } else if (timestamp_proto.nanos < 0 || timestamp_proto.nanos > 999999999) {
- reader->set_status(Status(
- FirestoreErrorCode::DataLoss,
- "Invalid message: timestamp nanos must be between 0 and 999999999"));
- return {};
- }
- return Timestamp{timestamp_proto.seconds, timestamp_proto.nanos};
-}
-
-FieldValue DecodeFieldValueImpl(Reader* reader) {
- if (!reader->status().ok()) return FieldValue::NullValue();
-
- // There needs to be at least one entry in the FieldValue.
- if (reader->bytes_left() == 0) {
- reader->set_status(Status(FirestoreErrorCode::DataLoss,
- "Input Value proto missing contents"));
- return FieldValue::NullValue();
- }
-
- FieldValue result = FieldValue::NullValue();
-
- while (reader->bytes_left()) {
- Tag tag = reader->ReadTag();
- if (!reader->status().ok()) return FieldValue::NullValue();
-
- // Ensure the tag matches the wire type
- switch (tag.field_number) {
- case google_firestore_v1beta1_Value_null_value_tag:
- if (!reader->RequireWireType(PB_WT_VARINT, tag))
- return FieldValue::NullValue();
- reader->ReadNull();
- result = FieldValue::NullValue();
- break;
-
- case google_firestore_v1beta1_Value_boolean_value_tag:
- if (!reader->RequireWireType(PB_WT_VARINT, tag))
- return FieldValue::NullValue();
- result = FieldValue::BooleanValue(reader->ReadBool());
- break;
-
- case google_firestore_v1beta1_Value_integer_value_tag:
- if (!reader->RequireWireType(PB_WT_VARINT, tag))
- return FieldValue::NullValue();
- result = FieldValue::IntegerValue(reader->ReadInteger());
- break;
-
- case google_firestore_v1beta1_Value_string_value_tag:
- if (!reader->RequireWireType(PB_WT_STRING, tag))
- return FieldValue::NullValue();
- result = FieldValue::StringValue(reader->ReadString());
- break;
-
- case google_firestore_v1beta1_Value_timestamp_value_tag:
- if (!reader->RequireWireType(PB_WT_STRING, tag))
- return FieldValue::NullValue();
- result = FieldValue::TimestampValue(
- reader->ReadNestedMessage<Timestamp>(DecodeTimestamp));
- break;
-
- case google_firestore_v1beta1_Value_map_value_tag:
- if (!reader->RequireWireType(PB_WT_STRING, tag))
- return FieldValue::NullValue();
- // TODO(rsgowman): We should merge the existing map (if any) with the
- // newly parsed map.
- result = FieldValue::ObjectValueFromMap(
- reader->ReadNestedMessage<ObjectValue::Map>(DecodeMapValue));
- break;
-
- case google_firestore_v1beta1_Value_double_value_tag:
- case google_firestore_v1beta1_Value_bytes_value_tag:
- case google_firestore_v1beta1_Value_reference_value_tag:
- case google_firestore_v1beta1_Value_geo_point_value_tag:
- case google_firestore_v1beta1_Value_array_value_tag:
- // TODO(b/74243929): Implement remaining types.
- HARD_FAIL("Unhandled message field number (tag): %i.",
- tag.field_number);
-
- default:
- // Unknown tag. According to the proto spec, we need to ignore these.
- reader->SkipField(tag);
- }
- }
-
- return result;
-}
-
ObjectValue::Map::value_type DecodeFieldsEntry(Reader* reader,
uint32_t key_tag,
uint32_t value_tag) {
@@ -200,7 +93,9 @@ ObjectValue::Map::value_type DecodeFieldsEntry(Reader* reader,
HARD_ASSERT(tag.wire_type == PB_WT_STRING);
FieldValue value =
- reader->ReadNestedMessage<FieldValue>(DecodeFieldValueImpl);
+ reader->ReadNestedMessage<FieldValue>([](Reader* reader) -> FieldValue {
+ return Serializer::DecodeFieldValue(reader);
+ });
return ObjectValue::Map::value_type{key, value};
}
@@ -372,7 +267,7 @@ void Serializer::EncodeFieldValue(Writer* writer,
StatusOr<FieldValue> Serializer::DecodeFieldValue(const uint8_t* bytes,
size_t length) {
Reader reader = Reader::Wrap(bytes, length);
- FieldValue fv = DecodeFieldValueImpl(&reader);
+ FieldValue fv = DecodeFieldValue(&reader);
if (reader.status().ok()) {
return fv;
} else {
@@ -380,6 +275,83 @@ StatusOr<FieldValue> Serializer::DecodeFieldValue(const uint8_t* bytes,
}
}
+FieldValue Serializer::DecodeFieldValue(Reader* reader) {
+ if (!reader->status().ok()) return FieldValue::NullValue();
+
+ // There needs to be at least one entry in the FieldValue.
+ if (reader->bytes_left() == 0) {
+ reader->set_status(Status(FirestoreErrorCode::DataLoss,
+ "Input Value proto missing contents"));
+ return FieldValue::NullValue();
+ }
+
+ FieldValue result = FieldValue::NullValue();
+
+ while (reader->bytes_left()) {
+ Tag tag = reader->ReadTag();
+ if (!reader->status().ok()) return FieldValue::NullValue();
+
+ // Ensure the tag matches the wire type
+ switch (tag.field_number) {
+ case google_firestore_v1beta1_Value_null_value_tag:
+ if (!reader->RequireWireType(PB_WT_VARINT, tag))
+ return FieldValue::NullValue();
+ reader->ReadNull();
+ result = FieldValue::NullValue();
+ break;
+
+ case google_firestore_v1beta1_Value_boolean_value_tag:
+ if (!reader->RequireWireType(PB_WT_VARINT, tag))
+ return FieldValue::NullValue();
+ result = FieldValue::BooleanValue(reader->ReadBool());
+ break;
+
+ case google_firestore_v1beta1_Value_integer_value_tag:
+ if (!reader->RequireWireType(PB_WT_VARINT, tag))
+ return FieldValue::NullValue();
+ result = FieldValue::IntegerValue(reader->ReadInteger());
+ break;
+
+ case google_firestore_v1beta1_Value_string_value_tag:
+ if (!reader->RequireWireType(PB_WT_STRING, tag))
+ return FieldValue::NullValue();
+ result = FieldValue::StringValue(reader->ReadString());
+ break;
+
+ case google_firestore_v1beta1_Value_timestamp_value_tag:
+ if (!reader->RequireWireType(PB_WT_STRING, tag))
+ return FieldValue::NullValue();
+ result = FieldValue::TimestampValue(
+ reader->ReadNestedMessage<Timestamp>(DecodeTimestamp));
+ break;
+
+ case google_firestore_v1beta1_Value_map_value_tag:
+ if (!reader->RequireWireType(PB_WT_STRING, tag))
+ return FieldValue::NullValue();
+ // TODO(rsgowman): We should merge the existing map (if any) with the
+ // newly parsed map.
+ result = FieldValue::ObjectValueFromMap(
+ reader->ReadNestedMessage<ObjectValue::Map>(DecodeMapValue));
+ break;
+
+ case google_firestore_v1beta1_Value_double_value_tag:
+ case google_firestore_v1beta1_Value_bytes_value_tag:
+ case google_firestore_v1beta1_Value_reference_value_tag:
+ case google_firestore_v1beta1_Value_geo_point_value_tag:
+ case google_firestore_v1beta1_Value_array_value_tag:
+ // TODO(b/74243929): Implement remaining types.
+ HARD_FAIL("Unhandled message field number (tag): %i.",
+ tag.field_number);
+
+ default:
+ // Unknown tag. According to the proto spec, we need to ignore these.
+ reader->SkipField(tag);
+ }
+ }
+
+ return result;
+}
+
std::string Serializer::EncodeKey(const DocumentKey& key) const {
return EncodeResourceName(database_id_, key.path());
}
@@ -615,6 +587,36 @@ void Serializer::EncodeFieldsEntry(Writer* writer,
[&kv](Writer* writer) { EncodeFieldValue(writer, kv.second); });
}
+Timestamp Serializer::DecodeTimestamp(nanopb::Reader* reader) {
+ if (!reader->status().ok()) return {};
+
+ google_protobuf_Timestamp timestamp_proto =
+ google_protobuf_Timestamp_init_zero;
+ reader->ReadNanopbMessage(google_protobuf_Timestamp_fields, &timestamp_proto);
+
+ // The Timestamp ctor will assert if we provide values outside the valid
+ // range. However, since we're decoding, a single corrupt byte could cause
+ // this to occur, so we'll verify the ranges before passing them in since we'd
+ // rather not abort in these situations.
+ if (timestamp_proto.seconds < TimestampInternal::Min().seconds()) {
+ reader->set_status(Status(
+ FirestoreErrorCode::DataLoss,
+ "Invalid message: timestamp beyond the earliest supported date"));
+ return {};
+ } else if (TimestampInternal::Max().seconds() < timestamp_proto.seconds) {
+ reader->set_status(
+ Status(FirestoreErrorCode::DataLoss,
+ "Invalid message: timestamp behond the latest supported date"));
+ return {};
+ } else if (timestamp_proto.nanos < 0 || timestamp_proto.nanos > 999999999) {
+ reader->set_status(Status(
+ FirestoreErrorCode::DataLoss,
+ "Invalid message: timestamp nanos must be between 0 and 999999999"));
+ return {};
+ }
+ return Timestamp{timestamp_proto.seconds, timestamp_proto.nanos};
+}
+
} // namespace remote
} // namespace firestore
} // namespace firebase
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-29 03:34:26 +0000