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federation_model.go
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/
federation_model.go
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// Copyright 2020 the Exposure Notifications Server authors
//
// Licensed 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 model is a model abstraction of federation in.
package model
import (
"time"
"github.com/google/exposure-notifications-server/internal/pb/federation"
)
// FederationInQuery represents a configuration to pull federation results from other servers.
type FederationInQuery struct {
QueryID string
ServerAddr string
Audience string
IncludeRegions []string
ExcludeRegions []string
OnlyLocalProvenance bool
OnlyTravelers bool
// FetchState items.
LastTimestamp time.Time
LastCursor string
LastRevisedTimestamp time.Time
LastRevisedCursor string
}
// UpdateFetchState updates the query state based on the fetch state returned from a federation pull.
func (q *FederationInQuery) UpdateFetchState(fs *federation.FetchState) {
if fs.KeyCursor == nil {
q.LastTimestamp = time.Time{}
q.LastCursor = ""
} else {
q.LastTimestamp = time.Unix(fs.KeyCursor.Timestamp, 0).UTC()
q.LastCursor = fs.KeyCursor.NextToken
}
if fs.RevisedKeyCursor == nil {
q.LastRevisedTimestamp = time.Time{}
q.LastRevisedCursor = ""
} else {
q.LastRevisedTimestamp = time.Unix(fs.RevisedKeyCursor.Timestamp, 0).UTC()
q.LastRevisedCursor = fs.RevisedKeyCursor.NextToken
}
}
// FetchState returns the federation fetch state based on query state.
func (q *FederationInQuery) FetchState() *federation.FetchState {
return &federation.FetchState{
KeyCursor: &federation.Cursor{
Timestamp: q.LastTimestamp.Unix(),
NextToken: q.LastCursor,
},
RevisedKeyCursor: &federation.Cursor{
Timestamp: q.LastRevisedTimestamp.Unix(),
NextToken: q.LastRevisedCursor,
},
}
}
// FederationInSync is the result of a federation query pulled from other servers.
type FederationInSync struct {
SyncID int64
QueryID string
Started time.Time
Completed time.Time
Insertions int
MaxTimestamp time.Time
MaxRevisedTimestamp time.Time
}
// FederationOutAuthorization is an authorized client that reads federation data from this server.
type FederationOutAuthorization struct {
Issuer string
Subject string
// Audience is optional, but will be validated against the OIDC token if provided.
Audience string
Note string
IncludeRegions []string
ExcludeRegions []string
}