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server.go
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server.go
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package chat
import (
"encoding/json"
"errors"
"fmt"
"io"
"io/ioutil"
"net/http"
"os"
"regexp"
"sort"
"strconv"
"strings"
"sync"
"time"
"github.com/keybase/clockwork"
"github.com/keybase/client/go/teams"
"encoding/hex"
"github.com/keybase/client/go/chat/attachments"
"github.com/keybase/client/go/chat/globals"
"github.com/keybase/client/go/chat/s3"
"github.com/keybase/client/go/chat/storage"
"github.com/keybase/client/go/chat/types"
"github.com/keybase/client/go/chat/utils"
"github.com/keybase/client/go/libkb"
"github.com/keybase/client/go/protocol/chat1"
"github.com/keybase/client/go/protocol/gregor1"
"github.com/keybase/client/go/protocol/keybase1"
"github.com/keybase/go-framed-msgpack-rpc/rpc"
"golang.org/x/net/context"
"golang.org/x/sync/errgroup"
)
type ServerConnection interface {
Reconnect(context.Context) (bool, error)
GetClient() chat1.RemoteInterface
}
type UISource interface {
GetChatUI(sessionID int) libkb.ChatUI
GetStreamUICli() *keybase1.StreamUiClient
}
type Server struct {
globals.Contextified
utils.DebugLabeler
serverConn ServerConnection
uiSource UISource
boxer *Boxer
store *attachments.Store
identNotifier types.IdentifyNotifier
clock clockwork.Clock
convPageStatus map[string]chat1.Pagination
// Only for testing
rc chat1.RemoteInterface
mockChatUI libkb.ChatUI
cachedThreadDelay *time.Duration
remoteThreadDelay *time.Duration
}
var _ chat1.LocalInterface = (*Server)(nil)
func NewServer(g *globals.Context, store *attachments.Store, serverConn ServerConnection,
uiSource UISource) *Server {
return &Server{
Contextified: globals.NewContextified(g),
DebugLabeler: utils.NewDebugLabeler(g.GetLog(), "Server", false),
serverConn: serverConn,
uiSource: uiSource,
store: store,
boxer: NewBoxer(g),
identNotifier: NewCachingIdentifyNotifier(g),
clock: clockwork.NewRealClock(),
convPageStatus: make(map[string]chat1.Pagination),
}
}
func (h *Server) SetClock(clock clockwork.Clock) {
h.clock = clock
}
func (h *Server) getChatUI(sessionID int) libkb.ChatUI {
if h.mockChatUI != nil {
return h.mockChatUI
}
return h.uiSource.GetChatUI(sessionID)
}
func (h *Server) getStreamUICli() *keybase1.StreamUiClient {
return h.uiSource.GetStreamUICli()
}
func (h *Server) handleOfflineError(ctx context.Context, err error,
res chat1.OfflinableResult) error {
errKind := IsOfflineError(err)
if errKind != OfflineErrorKindOnline {
h.Debug(ctx, "handleOfflineError: setting offline: err: %s", err)
res.SetOffline()
switch errKind {
case OfflineErrorKindOfflineReconnect:
// Reconnect Gregor if we think we are offline (and told to reconnect)
h.Debug(ctx, "handleOfflineError: reconnecting to gregor")
if _, err := h.serverConn.Reconnect(ctx); err != nil {
h.Debug(ctx, "handleOfflineError: error reconnecting: %s", err)
} else {
h.Debug(ctx, "handleOfflineError: success reconnecting")
}
}
return nil
}
return err
}
func (h *Server) setResultRateLimit(ctx context.Context, res types.RateLimitedResult) {
res.SetRateLimits(CtxRateLimits(ctx))
}
func (h *Server) presentUnverifiedInbox(ctx context.Context, convs []types.RemoteConversation,
p *chat1.Pagination, offline bool) (res chat1.UnverifiedInboxUIItems, err error) {
for _, rawConv := range convs {
if len(rawConv.Conv.MaxMsgSummaries) == 0 {
h.Debug(ctx, "presentUnverifiedInbox: invalid convo, no max msg summaries, skipping: %s",
rawConv.Conv.GetConvID())
continue
}
res.Items = append(res.Items, utils.PresentRemoteConversation(rawConv))
}
res.Pagination = utils.PresentPagination(p)
res.Offline = offline
return res, err
}
// suspendConvLoader will suspend the global ConvLoader until the return function is called. This allows
// a succinct call like defer suspendConvLoader(ctx)() in RPC handlers wishing to lock out the
// conv loader.
func (h *Server) suspendConvLoader(ctx context.Context) func() {
if canceled := h.G().ConvLoader.Suspend(ctx); canceled {
h.Debug(ctx, "suspendConvLoader: canceled background task")
}
return func() {
h.G().ConvLoader.Resume(ctx)
}
}
func (h *Server) getUID() gregor1.UID {
return gregor1.UID(h.G().Env.GetUID().ToBytes())
}
func (h *Server) GetInboxNonblockLocal(ctx context.Context, arg chat1.GetInboxNonblockLocalArg) (res chat1.NonblockFetchRes, err error) {
var breaks []keybase1.TLFIdentifyFailure
ctx = Context(ctx, h.G(), arg.IdentifyBehavior, &breaks, h.identNotifier)
defer h.Trace(ctx, func() error { return err }, "GetInboxNonblockLocal")()
defer func() { h.setResultRateLimit(ctx, &res) }()
defer func() { err = h.handleOfflineError(ctx, err, &res) }()
defer func() {
if res.Offline {
h.Debug(ctx, "GetInboxNonblockLocal: result obtained offline")
}
}()
defer h.suspendConvLoader(ctx)()
if err = h.assertLoggedIn(ctx); err != nil {
return res, err
}
uid := h.G().Env.GetUID()
if uid.IsNil() {
return res, libkb.LoginRequiredError{}
}
// Create localized conversation callback channel
chatUI := h.getChatUI(arg.SessionID)
localizeCb := make(chan NonblockInboxResult, 1)
// Invoke nonblocking inbox read and get remote inbox version to send back as our result
localizer := NewNonblockingLocalizer(h.G(), localizeCb, arg.MaxUnbox)
_, err = h.G().InboxSource.Read(ctx, uid.ToBytes(), localizer, true, arg.Query, arg.Pagination)
if err != nil {
// If this is a convID based query, let's go ahead and drop those onto the retrier
if arg.Query != nil && len(arg.Query.ConvIDs) > 0 {
h.Debug(ctx, "GetInboxNonblockLocal: failed to get unverified inbox, marking convIDs as failed")
for _, convID := range arg.Query.ConvIDs {
h.G().FetchRetrier.Failure(ctx, uid.ToBytes(),
NewConversationRetry(h.G(), convID, nil, InboxLoad))
}
} else {
h.Debug(ctx, "GetInboxNonblockLocal: failed to load untrusted inbox, general query")
h.G().FetchRetrier.Failure(ctx, uid.ToBytes(),
NewFullInboxRetry(h.G(), arg.Query, arg.Pagination))
}
return res, err
}
// Wait for inbox to get sent to us
var lres NonblockInboxResult
if arg.SkipUnverified {
select {
case lres = <-localizeCb:
h.Debug(ctx, "GetInboxNonblockLocal: received unverified inbox, skipping send")
case <-time.After(15 * time.Second):
return res, fmt.Errorf("timeout waiting for inbox result")
case <-ctx.Done():
return res, ctx.Err()
}
} else {
select {
case lres = <-localizeCb:
if lres.InboxRes == nil {
return res, fmt.Errorf("invalid conversation localize callback received")
}
uires, err := h.presentUnverifiedInbox(ctx, lres.InboxRes.ConvsUnverified,
lres.InboxRes.Pagination, h.G().InboxSource.IsOffline(ctx))
if err != nil {
h.Debug(ctx, "GetInboxNonblockLocal: failed to present untrusted inbox, failing: %s", err.Error())
return res, err
}
jbody, err := json.Marshal(uires)
if err != nil {
h.Debug(ctx, "GetInboxNonblockLocal: failed to JSON up unverified inbox: %s", err.Error())
return res, err
}
start := time.Now()
h.Debug(ctx, "GetInboxNonblockLocal: sending unverified inbox: num convs: %d bytes: %d",
len(lres.InboxRes.ConvsUnverified), len(jbody))
chatUI.ChatInboxUnverified(ctx, chat1.ChatInboxUnverifiedArg{
SessionID: arg.SessionID,
Inbox: string(jbody),
})
h.Debug(ctx, "GetInboxNonblockLocal: sent unverified inbox successfully: %v", time.Now().Sub(start))
case <-time.After(15 * time.Second):
return res, fmt.Errorf("timeout waiting for inbox result")
case <-ctx.Done():
return res, ctx.Err()
}
}
// Consume localize callbacks and send out to UI.
var wg sync.WaitGroup
convLocalsCh := make(chan chat1.ConversationLocal, len(lres.InboxRes.ConvsUnverified))
for convRes := range localizeCb {
wg.Add(1)
go func(convRes NonblockInboxResult) {
if convRes.Err != nil {
h.Debug(ctx, "GetInboxNonblockLocal: *** error conv: id: %s err: %s",
convRes.Conv.GetConvID(), convRes.Err.Message)
chatUI.ChatInboxFailed(ctx, chat1.ChatInboxFailedArg{
SessionID: arg.SessionID,
ConvID: convRes.Conv.GetConvID(),
Error: utils.PresentConversationErrorLocal(*convRes.Err),
})
// If we get a transient failure, add this to the retrier queue
if convRes.Err.Typ == chat1.ConversationErrorType_TRANSIENT {
h.G().FetchRetrier.Failure(ctx, uid.ToBytes(),
NewConversationRetry(h.G(), convRes.Conv.GetConvID(),
&convRes.Conv.Metadata.IdTriple.Tlfid, InboxLoad))
}
} else if convRes.ConvRes != nil {
pconv := utils.PresentConversationLocal(*convRes.ConvRes, h.G().Env.GetUsername().String())
jbody, err := json.Marshal(pconv)
if err != nil {
h.Debug(ctx, "GetInboxNonblockLocal: failed to JSON conversation, skipping: %s",
err.Error())
} else {
h.Debug(ctx, "GetInboxNonblockLocal: sending verified conv: id: %s tlf: %s bytes: %d",
convRes.Conv.GetConvID(), convRes.ConvRes.Info.TLFNameExpanded(), len(jbody))
start := time.Now()
chatUI.ChatInboxConversation(ctx, chat1.ChatInboxConversationArg{
SessionID: arg.SessionID,
Conv: string(jbody),
})
h.Debug(ctx, "GetInboxNonblockLocal: sent verified conv successfully: id: %s time: %v",
convRes.Conv.GetConvID(), time.Now().Sub(start))
}
convLocalsCh <- *convRes.ConvRes
// Send a note to the retrier that we actually loaded this guy successfully
h.G().FetchRetrier.Success(ctx, uid.ToBytes(),
NewConversationRetry(h.G(), convRes.Conv.GetConvID(),
&convRes.Conv.Metadata.IdTriple.Tlfid, InboxLoad))
}
wg.Done()
}(convRes)
}
// Write metadata to the inbox cache
var convLocals []chat1.ConversationLocal
go func() {
wg.Wait()
close(convLocalsCh)
}()
for convLocal := range convLocalsCh {
convLocals = append(convLocals, convLocal)
}
if err = storage.NewInbox(h.G(), uid.ToBytes()).MergeLocalMetadata(ctx, convLocals); err != nil {
// Don't abort the operation on this kind of error
h.Debug(ctx, "GetInboxNonblockLocal: unable to write inbox local metadata: %s", err)
}
res.Offline = h.G().InboxSource.IsOffline(ctx)
res.IdentifyFailures = breaks
return res, nil
}
func (h *Server) MarkAsReadLocal(ctx context.Context, arg chat1.MarkAsReadLocalArg) (res chat1.MarkAsReadLocalRes, err error) {
var identBreaks []keybase1.TLFIdentifyFailure
ctx = Context(ctx, h.G(), keybase1.TLFIdentifyBehavior_CHAT_GUI, &identBreaks,
h.identNotifier)
defer h.Trace(ctx, func() error { return err },
fmt.Sprintf("MarkAsReadLocal(%s, %v)", arg.ConversationID, arg.MsgID))()
defer func() { h.setResultRateLimit(ctx, &res) }()
defer func() { err = h.handleOfflineError(ctx, err, &res) }()
if err = h.assertLoggedIn(ctx); err != nil {
return chat1.MarkAsReadLocalRes{}, err
}
uid := gregor1.UID(h.G().Env.GetUID().ToBytes())
// Don't send remote mark as read if we somehow get this in the background.
if h.G().AppState.State() != keybase1.AppState_FOREGROUND {
h.Debug(ctx, "MarkAsReadLocal: not marking as read, app state not foreground: %v",
h.G().AppState.State())
return chat1.MarkAsReadLocalRes{
Offline: h.G().Syncer.IsConnected(ctx),
}, nil
}
// Check local copy to see if we have this convo, and have fully read it. If so, we skip the remote call
readRes, err := storage.NewInbox(h.G(), uid).GetConversation(ctx, arg.ConversationID)
if err == nil && readRes.GetConvID().Eq(arg.ConversationID) &&
readRes.Conv.ReaderInfo.ReadMsgid == readRes.Conv.ReaderInfo.MaxMsgid {
h.Debug(ctx, "MarkAsReadLocal: conversation fully read: %s, not sending remote call",
arg.ConversationID)
return chat1.MarkAsReadLocalRes{
Offline: h.G().Syncer.IsConnected(ctx),
}, nil
}
_, err = h.remoteClient().MarkAsRead(ctx, chat1.MarkAsReadArg{
ConversationID: arg.ConversationID,
MsgID: arg.MsgID,
})
if err != nil {
return res, err
}
return chat1.MarkAsReadLocalRes{
Offline: h.G().Syncer.IsConnected(ctx),
}, nil
}
// GetInboxAndUnboxLocal implements keybase.chatLocal.getInboxAndUnboxLocal protocol.
func (h *Server) GetInboxAndUnboxLocal(ctx context.Context, arg chat1.GetInboxAndUnboxLocalArg) (res chat1.GetInboxAndUnboxLocalRes, err error) {
var identBreaks []keybase1.TLFIdentifyFailure
ctx = Context(ctx, h.G(), arg.IdentifyBehavior, &identBreaks, h.identNotifier)
defer h.Trace(ctx, func() error { return err }, "GetInboxAndUnboxLocal")()
defer func() { h.setResultRateLimit(ctx, &res) }()
defer func() { err = h.handleOfflineError(ctx, err, &res) }()
if err = h.assertLoggedIn(ctx); err != nil {
return res, err
}
uid := h.G().Env.GetUID()
if uid.IsNil() {
err = libkb.LoginRequiredError{}
return res, err
}
// Read inbox from the source
localizer := NewBlockingLocalizer(h.G())
ib, err := h.G().InboxSource.Read(ctx, uid.ToBytes(), localizer, true, arg.Query, arg.Pagination)
if err != nil {
return res, err
}
return chat1.GetInboxAndUnboxLocalRes{
Conversations: ib.Convs,
Pagination: ib.Pagination,
Offline: h.G().InboxSource.IsOffline(ctx),
IdentifyFailures: identBreaks,
}, nil
}
func (h *Server) GetInboxAndUnboxUILocal(ctx context.Context, arg chat1.GetInboxAndUnboxUILocalArg) (res chat1.GetInboxAndUnboxUILocalRes, err error) {
var identBreaks []keybase1.TLFIdentifyFailure
ctx = Context(ctx, h.G(), arg.IdentifyBehavior, &identBreaks, h.identNotifier)
defer h.Trace(ctx, func() error { return err }, "GetInboxAndUnboxUILocal")()
defer func() { h.setResultRateLimit(ctx, &res) }()
defer func() { err = h.handleOfflineError(ctx, err, &res) }()
if err = h.assertLoggedIn(ctx); err != nil {
return res, err
}
uid := h.G().Env.GetUID()
if uid.IsNil() {
err = libkb.LoginRequiredError{}
return res, err
}
// Read inbox from the source
localizer := NewBlockingLocalizer(h.G())
ib, err := h.G().InboxSource.Read(ctx, uid.ToBytes(), localizer, true, arg.Query, arg.Pagination)
if err != nil {
return res, err
}
return chat1.GetInboxAndUnboxUILocalRes{
Conversations: utils.PresentConversationLocals(ib.Convs, h.G().Env.GetUsername().String()),
Pagination: ib.Pagination,
IdentifyFailures: identBreaks,
}, nil
}
func (h *Server) GetCachedThread(ctx context.Context, arg chat1.GetCachedThreadArg) (res chat1.GetThreadLocalRes, err error) {
var identBreaks []keybase1.TLFIdentifyFailure
ctx = Context(ctx, h.G(), arg.IdentifyBehavior, &identBreaks, h.identNotifier)
defer h.Trace(ctx, func() error { return err }, "GetCachedThread")()
defer func() { h.setResultRateLimit(ctx, &res) }()
defer func() { err = h.handleOfflineError(ctx, err, &res) }()
if err = h.assertLoggedIn(ctx); err != nil {
return chat1.GetThreadLocalRes{}, err
}
// Get messages from local disk only
uid := h.G().Env.GetUID()
thread, err := h.G().ConvSource.PullLocalOnly(ctx, arg.ConversationID,
gregor1.UID(uid.ToBytes()), arg.Query, arg.Pagination, 0)
if err != nil {
return chat1.GetThreadLocalRes{}, err
}
return chat1.GetThreadLocalRes{
Thread: thread,
Offline: h.G().ConvSource.IsOffline(ctx),
IdentifyFailures: identBreaks,
}, nil
}
// GetThreadLocal implements keybase.chatLocal.getThreadLocal protocol.
func (h *Server) GetThreadLocal(ctx context.Context, arg chat1.GetThreadLocalArg) (res chat1.GetThreadLocalRes, err error) {
var identBreaks []keybase1.TLFIdentifyFailure
ctx = Context(ctx, h.G(), arg.IdentifyBehavior, &identBreaks, h.identNotifier)
defer h.Trace(ctx, func() error { return err }, "GetThreadLocal")()
defer func() { h.setResultRateLimit(ctx, &res) }()
defer func() { err = h.handleOfflineError(ctx, err, &res) }()
if err = h.assertLoggedIn(ctx); err != nil {
return chat1.GetThreadLocalRes{}, err
}
// Xlate pager control into pagination if given
if arg.Query != nil && arg.Query.MessageIDControl != nil {
arg.Pagination = utils.XlateMessageIDControlToPagination(arg.Query.MessageIDControl)
}
// Get messages from the source
uid := h.G().Env.GetUID()
thread, err := h.G().ConvSource.Pull(ctx, arg.ConversationID,
gregor1.UID(uid.ToBytes()), arg.Query, arg.Pagination)
if err != nil {
return chat1.GetThreadLocalRes{}, err
}
return chat1.GetThreadLocalRes{
Thread: thread,
Offline: h.G().ConvSource.IsOffline(ctx),
IdentifyFailures: identBreaks,
}, nil
}
func (h *Server) mergeLocalRemoteThread(ctx context.Context, remoteThread, localThread *chat1.ThreadView,
mode chat1.GetThreadNonblockCbMode) (res chat1.ThreadView, err error) {
defer func() {
if err != nil || localThread == nil {
return
}
rm := make(map[chat1.MessageID]bool)
for _, m := range res.Messages {
rm[m.GetMessageID()] = true
}
// Check for any stray placeholders in the local thread we sent, and set them to some
// undisplayable type
for _, m := range localThread.Messages {
state, err := m.State()
if err != nil {
continue
}
if state == chat1.MessageUnboxedState_PLACEHOLDER && !rm[m.GetMessageID()] {
h.Debug(ctx, "mergeLocalRemoteThread: subbing in dead placeholder: msgID: %d",
m.GetMessageID())
res.Messages = append(res.Messages, chat1.NewMessageUnboxedWithPlaceholder(
chat1.MessageUnboxedPlaceholder{
MessageID: m.GetMessageID(),
Hidden: true,
},
))
}
}
sort.Sort(utils.ByMsgUnboxedMsgID(res.Messages))
}()
shouldAppend := func(oldMsg chat1.MessageUnboxed) bool {
state, err := oldMsg.State()
if err != nil {
return true
}
switch state {
case chat1.MessageUnboxedState_VALID:
return false
default:
return true
}
}
switch mode {
case chat1.GetThreadNonblockCbMode_FULL:
return *remoteThread, nil
case chat1.GetThreadNonblockCbMode_INCREMENTAL:
if localThread != nil {
lm := make(map[chat1.MessageID]chat1.MessageUnboxed)
for _, m := range localThread.Messages {
lm[m.GetMessageID()] = m
}
res.Pagination = remoteThread.Pagination
for _, m := range remoteThread.Messages {
oldMsg, ok := lm[m.GetMessageID()]
if !ok || shouldAppend(oldMsg) {
res.Messages = append(res.Messages, m)
}
}
h.Debug(ctx, "mergeLocalRemoteThread: incremental cb mode: orig: %d post: %d",
len(remoteThread.Messages), len(res.Messages))
return res, nil
}
return *remoteThread, nil
}
return res, errors.New("unknown get thread cb mode")
}
func (h *Server) applyPagerModeIncoming(ctx context.Context, convID chat1.ConversationID,
pagination *chat1.Pagination, pgmode chat1.GetThreadNonblockPgMode) (res *chat1.Pagination) {
defer func() {
h.Debug(ctx, "applyPagerModeIncoming: mode: %v convID: %s xform: %s -> %s", pgmode, convID,
pagination, res)
}()
switch pgmode {
case chat1.GetThreadNonblockPgMode_DEFAULT:
return pagination
case chat1.GetThreadNonblockPgMode_SERVER:
if pagination == nil {
return nil
}
if len(pagination.Next) > 0 {
return &chat1.Pagination{
Num: pagination.Num,
Next: h.convPageStatus[convID.String()].Next,
}
} else if len(pagination.Previous) > 0 {
return &chat1.Pagination{
Num: pagination.Num,
Previous: h.convPageStatus[convID.String()].Previous,
}
} else {
return pagination
}
}
return pagination
}
func (h *Server) applyPagerModeOutgoing(ctx context.Context, convID chat1.ConversationID,
pagination *chat1.Pagination, incoming *chat1.Pagination, pgmode chat1.GetThreadNonblockPgMode) {
switch pgmode {
case chat1.GetThreadNonblockPgMode_DEFAULT:
case chat1.GetThreadNonblockPgMode_SERVER:
if pagination == nil {
return
}
if incoming.FirstPage() {
h.Debug(ctx, "applyPagerModeOutgoing: resetting pagination: convID: %s p: %s", convID, pagination)
h.convPageStatus[convID.String()] = *pagination
} else {
oldStored := h.convPageStatus[convID.String()]
if len(incoming.Next) > 0 {
oldStored.Next = pagination.Next
h.Debug(ctx, "applyPagerModeOutgoing: setting next pagination: convID: %s p: %s", convID,
pagination)
} else if len(incoming.Previous) > 0 {
h.Debug(ctx, "applyPagerModeOutgoing: setting prev pagination: convID: %s p: %s", convID,
pagination)
oldStored.Previous = pagination.Previous
}
h.convPageStatus[convID.String()] = oldStored
}
}
}
func (h *Server) dispatchOldPagesJob(ctx context.Context, convID chat1.ConversationID, uid gregor1.UID,
pagination *chat1.Pagination, resultPagination *chat1.Pagination) {
// Fire off pageback background jobs if we fetched the first page
if pagination.FirstPage() && resultPagination != nil && !resultPagination.Last {
p := &chat1.Pagination{
Num: 50,
Next: resultPagination.Next,
}
h.Debug(ctx, "dispatchOldPagesJob: queuing %s because of first page fetch: p: %s", convID, p)
if err := h.G().ConvLoader.Queue(ctx, types.NewConvLoaderJob(convID, p, types.ConvLoaderPriorityLow,
newConvLoaderPagebackHook(h.G(), 0, 5))); err != nil {
h.Debug(ctx, "dispatchOldPagesJob: failed to queue conversation load: %s", err)
}
}
}
func (h *Server) GetThreadNonblock(ctx context.Context, arg chat1.GetThreadNonblockArg) (res chat1.NonblockFetchRes, fullErr error) {
var pagination, resultPagination *chat1.Pagination
var identBreaks []keybase1.TLFIdentifyFailure
ctx = Context(ctx, h.G(), arg.IdentifyBehavior, &identBreaks, h.identNotifier)
uid := gregor1.UID(h.G().Env.GetUID().ToBytes())
defer h.Trace(ctx, func() error { return fullErr },
fmt.Sprintf("GetThreadNonblock(%s,%v,%v)", arg.ConversationID, arg.CbMode, arg.Reason))()
defer func() { h.setResultRateLimit(ctx, &res) }()
defer func() {
fullErr = h.handleOfflineError(ctx, fullErr, &res)
// Detect any problem loading the thread, and queue it up in the retrier if there is a problem.
// Otherwise, send notice that we successfully loaded the conversation.
if res.Offline || fullErr != nil {
h.G().FetchRetrier.Failure(ctx, uid,
NewConversationRetry(h.G(), arg.ConversationID, nil, ThreadLoad))
} else {
h.G().FetchRetrier.Success(ctx, uid,
NewConversationRetry(h.G(), arg.ConversationID, nil, ThreadLoad))
// Load old pages of this conversation on success
h.dispatchOldPagesJob(ctx, arg.ConversationID, uid, pagination, resultPagination)
}
}()
defer h.suspendConvLoader(ctx)()
// Lock conversation while this is running
if err := h.G().ConvSource.AcquireConversationLock(ctx, uid, arg.ConversationID); err != nil {
return res, err
}
defer h.G().ConvSource.ReleaseConversationLock(ctx, uid, arg.ConversationID)
h.Debug(ctx, "GetThreadNonblock: conversation lock obtained")
if err := h.assertLoggedIn(ctx); err != nil {
return res, err
}
// If this is from a push or foreground, set us into the foreground
switch arg.Reason {
case chat1.GetThreadNonblockReason_PUSH, chat1.GetThreadNonblockReason_FOREGROUND:
// Also if we get here and we claim to not be in the foreground yet, then hit disconnect
// to reset any delay checks or timers
switch h.G().AppState.State() {
case keybase1.AppState_FOREGROUND, keybase1.AppState_BACKGROUNDACTIVE:
default:
h.G().Syncer.Disconnected(ctx)
}
h.G().AppState.Update(keybase1.AppState_FOREGROUND)
}
// Set last select conversation on syncer
h.G().Syncer.SelectConversation(ctx, arg.ConversationID)
// Decode presentation form pagination
var err error
if pagination, err = utils.DecodePagination(arg.Pagination); err != nil {
return res, err
}
// Xlate pager control into pagination if given
if arg.Query != nil && arg.Query.MessageIDControl != nil {
pagination = utils.XlateMessageIDControlToPagination(arg.Query.MessageIDControl)
}
// Apply any pager mode transformations
pagination = h.applyPagerModeIncoming(ctx, arg.ConversationID, pagination, arg.Pgmode)
// Grab local copy first
chatUI := h.getChatUI(arg.SessionID)
// Race the full operation versus the local one, so we don't lose anytime grabbing the local
// version if they are roughly as fast. However, the full operation has preference, so if it does
// win the race we don't send anything up from the local operation.
var localSentThread *chat1.ThreadView
var uilock sync.Mutex
var wg sync.WaitGroup
bctx, cancel := context.WithCancel(ctx)
wg.Add(1)
go func() {
defer wg.Done()
// Get local copy of the thread, abort the call if we have sent the full copy
var resThread *chat1.ThreadView
var localThread chat1.ThreadView
ch := make(chan error, 1)
go func() {
var err error
if h.cachedThreadDelay != nil {
h.clock.Sleep(*h.cachedThreadDelay)
}
localThread, err = h.G().ConvSource.PullLocalOnly(bctx, arg.ConversationID,
uid, arg.Query, pagination, 10)
ch <- err
}()
select {
case err := <-ch:
if err != nil {
h.Debug(ctx, "GetThreadNonblock: error running PullLocalOnly (sending miss): %s",
err.Error())
} else {
resThread = &localThread
}
case <-bctx.Done():
h.Debug(ctx, "GetThreadNonblock: context canceled before PullLocalOnly returned")
return
}
uilock.Lock()
defer uilock.Unlock()
// Check this again, since we might have waited on the lock while full sent
select {
case <-bctx.Done():
resThread = nil
h.Debug(ctx, "GetThreadNonblock: context canceled before local copy sent")
return
default:
}
var pthread *string
if resThread != nil {
h.Debug(ctx, "GetThreadNonblock: sending cached response: messages: %d pager: %s",
len(resThread.Messages), resThread.Pagination)
var jsonPt []byte
var err error
localSentThread = resThread
pt := utils.PresentThreadView(ctx, h.G(), uid, *resThread, arg.ConversationID)
if jsonPt, err = json.Marshal(pt); err != nil {
h.Debug(ctx, "GetThreadNonblock: failed to JSON cached response: %s", err)
return
}
sJSONPt := string(jsonPt)
pthread = &sJSONPt
h.applyPagerModeOutgoing(bctx, arg.ConversationID, resThread.Pagination, pagination, arg.Pgmode)
} else {
h.Debug(ctx, "GetThreadNonblock: sending nil cached response")
}
start := time.Now()
chatUI.ChatThreadCached(bctx, chat1.ChatThreadCachedArg{
SessionID: arg.SessionID,
Thread: pthread,
})
h.Debug(ctx, "GetThreadNonblock: cached response send time: %v", time.Since(start))
}()
wg.Add(1)
go func() {
defer wg.Done()
// Run the full Pull operation, and redo pagination
if h.remoteThreadDelay != nil {
h.clock.Sleep(*h.remoteThreadDelay)
}
var remoteThread chat1.ThreadView
remoteThread, fullErr = h.G().ConvSource.Pull(bctx, arg.ConversationID,
uid, arg.Query, pagination)
if fullErr != nil {
h.Debug(ctx, "GetThreadNonblock: error running Pull, returning error: %s", fullErr.Error())
return
}
// Acquire lock and send up actual response
uilock.Lock()
defer uilock.Unlock()
var rthread chat1.ThreadView
if rthread, fullErr =
h.mergeLocalRemoteThread(ctx, &remoteThread, localSentThread, arg.CbMode); fullErr != nil {
return
}
h.Debug(ctx, "GetThreadNonblock: sending full response: messages: %d pager: %s",
len(rthread.Messages), rthread.Pagination)
uires := utils.PresentThreadView(bctx, h.G(), uid, rthread, arg.ConversationID)
var jsonUIRes []byte
if jsonUIRes, fullErr = json.Marshal(uires); fullErr != nil {
h.Debug(ctx, "GetThreadNonblock: failed to JSON full result: %s", fullErr)
return
}
resultPagination = rthread.Pagination
h.applyPagerModeOutgoing(bctx, arg.ConversationID, rthread.Pagination, pagination, arg.Pgmode)
start := time.Now()
chatUI.ChatThreadFull(bctx, chat1.ChatThreadFullArg{
SessionID: arg.SessionID,
Thread: string(jsonUIRes),
})
h.Debug(ctx, "GetThreadNonblock: full response send time: %v", time.Since(start))
// This means we transmitted with success, so cancel local thread
cancel()
}()
wg.Wait()
// Clean up context
cancel()
res.Offline = h.G().ConvSource.IsOffline(ctx)
return res, fullErr
}
// NewConversationLocal implements keybase.chatLocal.newConversationLocal protocol.
// Create a new conversation. Or in the case of CHAT, create-or-get a conversation.
func (h *Server) NewConversationLocal(ctx context.Context, arg chat1.NewConversationLocalArg) (res chat1.NewConversationLocalRes, err error) {
var identBreaks []keybase1.TLFIdentifyFailure
ctx = Context(ctx, h.G(), arg.IdentifyBehavior, &identBreaks, h.identNotifier)
defer h.Trace(ctx, func() error { return err },
fmt.Sprintf("NewConversationLocal(%s|%v)", arg.TlfName, arg.MembersType))()
defer func() { h.setResultRateLimit(ctx, &res) }()
if err := h.assertLoggedIn(ctx); err != nil {
return chat1.NewConversationLocalRes{}, err
}
uid := gregor1.UID(h.G().Env.GetUID().ToBytes())
conv, err := NewConversation(ctx, h.G(), uid, arg.TlfName, arg.TopicName,
arg.TopicType, arg.MembersType, arg.TlfVisibility, h.remoteClient)
if err != nil {
return res, err
}
res.Conv = conv
res.IdentifyFailures = identBreaks
return res, nil
}
func (h *Server) GetInboxSummaryForCLILocal(ctx context.Context, arg chat1.GetInboxSummaryForCLILocalQuery) (res chat1.GetInboxSummaryForCLILocalRes, err error) {
var identBreaks []keybase1.TLFIdentifyFailure
ctx = Context(ctx, h.G(), keybase1.TLFIdentifyBehavior_CHAT_CLI, &identBreaks,
h.identNotifier)
defer h.Trace(ctx, func() error { return err }, "GetInboxSummaryForCLILocal")()
defer func() { h.setResultRateLimit(ctx, &res) }()
defer func() { err = h.handleOfflineError(ctx, err, &res) }()
if err = h.assertLoggedIn(ctx); err != nil {
return chat1.GetInboxSummaryForCLILocalRes{}, err
}
var after time.Time
if len(arg.After) > 0 {
after, err = utils.ParseTimeFromRFC3339OrDurationFromPast(h.G(), arg.After)
if err != nil {
return chat1.GetInboxSummaryForCLILocalRes{}, fmt.Errorf("parsing time or duration (%s) error: %s", arg.After, err)
}
}
var before time.Time
if len(arg.Before) > 0 {
before, err = utils.ParseTimeFromRFC3339OrDurationFromPast(h.G(), arg.Before)
if err != nil {
return chat1.GetInboxSummaryForCLILocalRes{}, fmt.Errorf("parsing time or duration (%s) error: %s", arg.Before, err)
}
}
var queryBase chat1.GetInboxLocalQuery
queryBase.ComputeActiveList = true
queryBase.OneChatTypePerTLF = new(bool)
*queryBase.OneChatTypePerTLF = true
if !after.IsZero() {
gafter := gregor1.ToTime(after)
queryBase.After = &gafter
}
if !before.IsZero() {
gbefore := gregor1.ToTime(before)
queryBase.Before = &gbefore
}
if arg.TopicType != chat1.TopicType_NONE {
queryBase.TopicType = &arg.TopicType
}
if arg.Visibility != keybase1.TLFVisibility_ANY {
queryBase.TlfVisibility = &arg.Visibility
}
queryBase.Status = arg.Status
var gires chat1.GetInboxAndUnboxLocalRes
if arg.UnreadFirst {
if arg.UnreadFirstLimit.AtMost <= 0 {
arg.UnreadFirstLimit.AtMost = int(^uint(0) >> 1) // maximum int
}
if arg.UnreadFirstLimit.AtMost < arg.UnreadFirstLimit.AtLeast {
arg.UnreadFirstLimit.AtMost = arg.UnreadFirstLimit.AtLeast
}
query := queryBase
query.UnreadOnly, query.ReadOnly = true, false
if gires, err = h.GetInboxAndUnboxLocal(ctx, chat1.GetInboxAndUnboxLocalArg{
Pagination: &chat1.Pagination{Num: arg.UnreadFirstLimit.AtMost},
Query: &query,
IdentifyBehavior: keybase1.TLFIdentifyBehavior_CHAT_CLI,
}); err != nil {
return chat1.GetInboxSummaryForCLILocalRes{}, err
}
res.Conversations = gires.Conversations
more := utils.Collar(
arg.UnreadFirstLimit.AtLeast-len(res.Conversations),
arg.UnreadFirstLimit.NumRead,
arg.UnreadFirstLimit.AtMost-len(res.Conversations),
)
if more > 0 {
query := queryBase
query.UnreadOnly, query.ReadOnly = false, true
if gires, err = h.GetInboxAndUnboxLocal(ctx, chat1.GetInboxAndUnboxLocalArg{
Pagination: &chat1.Pagination{Num: more},
Query: &query,
}); err != nil {
return chat1.GetInboxSummaryForCLILocalRes{}, err
}
res.Conversations = append(res.Conversations, gires.Conversations...)
}
} else {
if arg.ActivitySortedLimit <= 0 {
arg.ActivitySortedLimit = int(^uint(0) >> 1) // maximum int
}
query := queryBase
query.UnreadOnly, query.ReadOnly = false, false
if gires, err = h.GetInboxAndUnboxLocal(ctx, chat1.GetInboxAndUnboxLocalArg{
Pagination: &chat1.Pagination{Num: arg.ActivitySortedLimit},
Query: &query,
IdentifyBehavior: keybase1.TLFIdentifyBehavior_CHAT_CLI,
}); err != nil {
return chat1.GetInboxSummaryForCLILocalRes{}, err
}
res.Conversations = gires.Conversations
}
res.Offline = gires.Offline
return res, nil
}
func (h *Server) GetConversationForCLILocal(ctx context.Context, arg chat1.GetConversationForCLILocalQuery) (res chat1.GetConversationForCLILocalRes, err error) {
var identBreaks []keybase1.TLFIdentifyFailure
ctx = Context(ctx, h.G(), keybase1.TLFIdentifyBehavior_CHAT_CLI, &identBreaks,
h.identNotifier)
defer h.Trace(ctx, func() error { return err }, "GetConversationForCLILocal")()
defer func() { h.setResultRateLimit(ctx, &res) }()
defer func() { err = h.handleOfflineError(ctx, err, &res) }()
if err := h.assertLoggedIn(ctx); err != nil {
return chat1.GetConversationForCLILocalRes{}, err
}
if arg.Limit.AtMost <= 0 {
arg.Limit.AtMost = int(^uint(0) >> 1) // maximum int
}
if arg.Limit.AtMost < arg.Limit.AtLeast {
arg.Limit.AtMost = arg.Limit.AtLeast
}
convLocal := arg.Conv
var since time.Time
if arg.Since != nil {
since, err = utils.ParseTimeFromRFC3339OrDurationFromPast(h.G(), *arg.Since)
if err != nil {
return chat1.GetConversationForCLILocalRes{}, fmt.Errorf("parsing time or duration (%s) error: %s", *arg.Since, since)
}
}
query := chat1.GetThreadQuery{
MarkAsRead: arg.MarkAsRead,
MessageTypes: arg.MessageTypes,
}
if !since.IsZero() {
gsince := gregor1.ToTime(since)
query.After = &gsince
}
tv, err := h.GetThreadLocal(ctx, chat1.GetThreadLocalArg{
ConversationID: convLocal.Info.Id,
Query: &query,
IdentifyBehavior: keybase1.TLFIdentifyBehavior_CHAT_CLI,
})
if err != nil {
return chat1.GetConversationForCLILocalRes{}, err
}
// apply message count limits
var messages []chat1.MessageUnboxed
for _, m := range tv.Thread.Messages {
messages = append(messages, m)
arg.Limit.AtMost--
arg.Limit.AtLeast--
if m.GetMessageID() <= convLocal.ReaderInfo.ReadMsgid {
arg.Limit.NumRead--
}
if arg.Limit.AtMost <= 0 ||
(arg.Limit.NumRead <= 0 && arg.Limit.AtLeast <= 0) {
break
}
}
return chat1.GetConversationForCLILocalRes{
Conversation: convLocal,
Messages: messages,
Offline: tv.Offline,
}, nil
}
func (h *Server) GetMessagesLocal(ctx context.Context, arg chat1.GetMessagesLocalArg) (res chat1.GetMessagesLocalRes, err error) {
var identBreaks []keybase1.TLFIdentifyFailure