Signal-iOS/SignalMessaging/groups/StorageService+GroupsV2.swift
2020-05-19 15:49:36 -03:00

125 lines
6.2 KiB
Swift

//
// Copyright (c) 2020 Open Whisper Systems. All rights reserved.
//
import Foundation
import SignalServiceKit
import ZKGroup
public extension StorageService {
typealias ProfileKeyCredentialMap = [UUID: ProfileKeyCredential]
static func buildNewGroupRequest(groupProto: GroupsProtoGroup,
groupV2Params: GroupV2Params,
sessionManager: AFHTTPSessionManager,
authCredential: AuthCredential) throws -> NSURLRequest {
let protoData = try groupProto.serializedData()
return try buildGroupV2Request(protoData: protoData,
urlPath: "/v1/groups/",
httpMethod: "PUT",
groupV2Params: groupV2Params,
sessionManager: sessionManager,
authCredential: authCredential)
}
static func buildUpdateGroupRequest(groupChangeProto: GroupsProtoGroupChangeActions,
groupV2Params: GroupV2Params,
sessionManager: AFHTTPSessionManager,
authCredential: AuthCredential) throws -> NSURLRequest {
let protoData = try groupChangeProto.serializedData()
return try buildGroupV2Request(protoData: protoData,
urlPath: "/v1/groups/",
httpMethod: "PATCH",
groupV2Params: groupV2Params,
sessionManager: sessionManager,
authCredential: authCredential)
}
static func buildFetchCurrentGroupV2SnapshotRequest(groupV2Params: GroupV2Params,
sessionManager: AFHTTPSessionManager,
authCredential: AuthCredential) throws -> NSURLRequest {
return try buildGroupV2Request(protoData: nil,
urlPath: "/v1/groups/",
httpMethod: "GET",
groupV2Params: groupV2Params,
sessionManager: sessionManager,
authCredential: authCredential)
}
static func buildFetchGroupChangeActionsRequest(groupV2Params: GroupV2Params,
fromRevision: UInt32,
requireSnapshotForFirstChange: Bool,
sessionManager: AFHTTPSessionManager,
authCredential: AuthCredential) throws -> NSURLRequest {
// GroupsV2 TODO: Apply GroupManager.changeProtoEpoch.
// GroupsV2 TODO: Apply requireSnapshotForFirstChange.
let urlPath = "/v1/groups/logs/\(OWSFormat.formatUInt32(fromRevision))"
return try buildGroupV2Request(protoData: nil,
urlPath: urlPath,
httpMethod: "GET",
groupV2Params: groupV2Params,
sessionManager: sessionManager,
authCredential: authCredential)
}
static func buildGroupAvatarUploadFormRequest(groupV2Params: GroupV2Params,
sessionManager: AFHTTPSessionManager,
authCredential: AuthCredential) throws -> NSURLRequest {
let urlPath = "/v1/groups/avatar/form"
return try buildGroupV2Request(protoData: nil,
urlPath: urlPath,
httpMethod: "GET",
groupV2Params: groupV2Params,
sessionManager: sessionManager,
authCredential: authCredential)
}
private static func buildGroupV2Request(protoData: Data?,
urlPath: String,
httpMethod: String,
groupV2Params: GroupV2Params,
sessionManager: AFHTTPSessionManager,
authCredential: AuthCredential) throws -> NSURLRequest {
guard let url = URL(string: urlPath, relativeTo: sessionManager.baseURL) else {
throw OWSAssertionError("Invalid URL.")
}
let request = NSMutableURLRequest(url: url)
request.httpMethod = httpMethod
if let protoData = protoData {
request.httpBody = protoData
request.setValue(OWSMimeTypeProtobuf, forHTTPHeaderField: "Content-Type")
}
try self.addAuthorizationHeader(to: request,
groupV2Params: groupV2Params,
authCredential: authCredential)
return request
}
// MARK: - Authorization Headers
private static func addAuthorizationHeader(to request: NSMutableURLRequest,
groupV2Params: GroupV2Params,
authCredential: AuthCredential) throws {
let serverPublicParams = try GroupsV2Protos.serverPublicParams()
let clientZkAuthOperations = ClientZkAuthOperations(serverPublicParams: serverPublicParams)
let authCredentialPresentation = try clientZkAuthOperations.createAuthCredentialPresentation(groupSecretParams: groupV2Params.groupSecretParams, authCredential: authCredential)
let authCredentialPresentationData = authCredentialPresentation.serialize().asData
let username: String = groupV2Params.groupPublicParamsData.hexadecimalString
let password: String = authCredentialPresentationData.hexadecimalString
let auth = Auth(username: username, password: password)
request.setValue(try auth.authHeader(), forHTTPHeaderField: "Authorization")
}
}