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message.go
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message.go
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package db
import (
"context"
"fmt"
"strings"
"entgo.io/ent/dialect/sql"
"github.com/ProtonMail/gluon/imap"
"github.com/ProtonMail/gluon/internal/db/ent"
"github.com/ProtonMail/gluon/internal/db/ent/mailbox"
"github.com/ProtonMail/gluon/internal/db/ent/message"
"github.com/ProtonMail/gluon/internal/db/ent/messageflag"
"github.com/ProtonMail/gluon/internal/db/ent/uid"
"github.com/ProtonMail/gluon/internal/ids"
"github.com/bradenaw/juniper/xslices"
"golang.org/x/exp/slices"
)
const ChunkLimit = 1000
type CreateMessageReq struct {
Message imap.Message
InternalID imap.InternalMessageID
LiteralSize int
Body string
Structure string
Envelope string
}
func CreateMessages(ctx context.Context, tx *ent.Tx, reqs ...*CreateMessageReq) ([]*ent.Message, error) {
flags := make(map[imap.InternalMessageID][]*ent.MessageFlag)
for _, req := range reqs {
builders := xslices.Map(req.Message.Flags.ToSlice(), func(flag string) *ent.MessageFlagCreate {
return tx.MessageFlag.Create().SetValue(flag)
})
entFlags, err := tx.MessageFlag.CreateBulk(builders...).Save(ctx)
if err != nil {
return nil, err
}
flags[req.InternalID] = entFlags
}
builders := xslices.Map(reqs, func(req *CreateMessageReq) *ent.MessageCreate {
msgCreate := tx.Message.Create().
SetID(req.InternalID).
SetDate(req.Message.Date).
SetBody(req.Body).
SetBodyStructure(req.Structure).
SetEnvelope(req.Envelope).
SetSize(req.LiteralSize).
AddFlags(flags[req.InternalID]...)
if len(req.Message.ID) != 0 {
msgCreate = msgCreate.SetRemoteID(req.Message.ID)
}
return msgCreate
})
messages := make([]*ent.Message, 0, len(builders))
// Avoid too many SQL variables error.
for _, chunk := range xslices.Chunk(builders, ChunkLimit) {
msgs, err := tx.Message.CreateBulk(chunk...).Save(ctx)
if err != nil {
return nil, err
}
messages = append(messages, msgs...)
}
return messages, nil
}
func AddMessagesToMailbox(ctx context.Context, tx *ent.Tx, messageIDs []imap.InternalMessageID, mboxID imap.InternalMailboxID) ([]UIDWithFlags, error) {
if len(messageIDs) == 0 {
return nil, nil
}
messageUIDs := make(map[imap.InternalMessageID]imap.UID)
mbox, err := tx.Mailbox.Query().Where(mailbox.ID(mboxID)).Select(mailbox.FieldUIDNext).Only(ctx)
if err != nil {
return nil, err
}
var builders []*ent.UIDCreate
for idx, messageID := range messageIDs {
nextUID := mbox.UIDNext.Add(uint32(idx))
messageUIDs[messageID] = nextUID
builders = append(builders, tx.UID.Create().
SetMailboxID(mboxID).
SetMessageID(messageID).
SetUID(nextUID),
)
}
// Avoid too many SQL variables error.
for _, chunk := range xslices.Chunk(builders, ChunkLimit) {
if m, err := tx.UID.CreateBulk(chunk...).Save(ctx); err != nil {
return nil, err
} else if len(m) == 0 {
return nil, fmt.Errorf("no messages were added to the mailbox")
}
}
if err := BumpMailboxUIDNext(ctx, tx, mbox, len(messageIDs)); err != nil {
return nil, err
}
return GetMessageUIDsWithFlagsAfterAddOrUIDBump(ctx, tx.Client(), mboxID, messageIDs)
}
func CreateAndAddMessageToMailbox(ctx context.Context, tx *ent.Tx, mboxID imap.InternalMailboxID, req *CreateMessageReq) (imap.UID, imap.FlagSet, error) {
mbox, err := tx.Mailbox.Query().Where(mailbox.ID(mboxID)).Select(mailbox.FieldID, mailbox.FieldUIDNext).Only(ctx)
if err != nil {
return 0, imap.FlagSet{}, err
}
var flags []*ent.MessageFlag
{
builders := xslices.Map(req.Message.Flags.ToSlice(), func(flag string) *ent.MessageFlagCreate {
return tx.MessageFlag.Create().SetValue(flag)
})
entFlags, err := tx.MessageFlag.CreateBulk(builders...).Save(ctx)
if err != nil {
return 0, imap.FlagSet{}, err
}
flags = entFlags
}
msgCreate := tx.Message.Create().
SetID(req.InternalID).
SetDate(req.Message.Date).
SetBody(req.Body).
SetBodyStructure(req.Structure).
SetEnvelope(req.Envelope).
SetSize(req.LiteralSize).
AddFlags(flags...)
if len(req.Message.ID) != 0 {
msgCreate = msgCreate.SetRemoteID(req.Message.ID)
}
message, err := msgCreate.Save(ctx)
if err != nil {
return 0, imap.FlagSet{}, err
}
uid, err := tx.UID.Create().
SetMailbox(mbox).
SetMessage(message).
SetUID(mbox.UIDNext).
Save(ctx)
if err != nil {
return 0, imap.FlagSet{}, err
}
if err := BumpMailboxUIDNext(ctx, tx, mbox, 1); err != nil {
return 0, imap.FlagSet{}, err
}
return uid.UID, NewFlagSet(uid, flags), err
}
type CreateAndAddMessagesResult struct {
UID imap.UID
Flags imap.FlagSet
MessageID ids.MessageIDPair
}
func BumpMailboxUIDsForMessage(ctx context.Context, tx *ent.Tx, messageIDs []imap.InternalMessageID, mboxID imap.InternalMailboxID) ([]UIDWithFlags, error) {
messageUIDs := make(map[imap.InternalMessageID]imap.UID)
mbox, err := tx.Mailbox.Query().Where(mailbox.ID(mboxID)).Only(ctx)
if err != nil {
return nil, err
}
var builders []*ent.UIDUpdate
for idx, messageID := range messageIDs {
uidNext := mbox.UIDNext.Add(uint32(idx))
messageUIDs[messageID] = uidNext
builders = append(builders, tx.UID.Update().
SetUID(uidNext).
Where(uid.HasMessageWith(message.ID(messageID))),
)
}
for _, builder := range builders {
if _, err := builder.Save(ctx); err != nil {
return nil, err
}
}
if err := BumpMailboxUIDNext(ctx, tx, mbox, len(messageIDs)); err != nil {
return nil, err
}
return GetMessageUIDsWithFlagsAfterAddOrUIDBump(ctx, tx.Client(), mboxID, messageIDs)
}
func RemoveMessagesFromMailbox(ctx context.Context, tx *ent.Tx, messageIDs []imap.InternalMessageID, mboxID imap.InternalMailboxID) error {
// Avoid too many SQL variables error.
for _, chunk := range xslices.Chunk(messageIDs, ChunkLimit) {
if _, err := tx.UID.Delete().
Where(func(s *sql.Selector) {
s.Where(sql.And(sql.In(uid.MessageColumn, xslices.Map(chunk, func(t imap.InternalMessageID) interface{} {
return interface{}(t)
})...), sql.EQ(uid.MailboxColumn, mboxID)))
}).
Exec(ctx); err != nil {
return err
}
}
return nil
}
func MessageExistsWithRemoteID(ctx context.Context, client *ent.Client, messageID imap.MessageID) (bool, error) {
count, err := client.Message.Query().Where(message.RemoteID(messageID)).Count(ctx)
if err != nil {
return false, err
}
return count > 0, nil
}
func GetMessage(ctx context.Context, client *ent.Client, messageID imap.InternalMessageID) (*ent.Message, error) {
return client.Message.Query().Where(message.ID(messageID)).Only(ctx)
}
func GetImportedMessageData(ctx context.Context, client *ent.Client, messageID imap.InternalMessageID) (*ent.Message, error) {
return client.Message.Query().Where(message.ID(messageID)).WithFlags().Select(message.FieldDate).Only(ctx)
}
func GetMessageDateAndSize(ctx context.Context, client *ent.Client, messageID imap.InternalMessageID) (*ent.Message, error) {
return client.Message.Query().Where(message.ID(messageID)).Select(message.FieldSize, message.FieldDate).Only(ctx)
}
func GetMessageMailboxIDs(ctx context.Context, client *ent.Client, messageID imap.InternalMessageID) ([]imap.InternalMailboxID, error) {
type tmp struct {
MBoxID imap.InternalMailboxID `json:"mailbox_ui_ds"`
}
var messageUIDs []tmp
if err := client.UID.Query().Where(func(s *sql.Selector) {
s.Where(sql.EQ(uid.MessageColumn, messageID))
}).Select(uid.MailboxColumn).Scan(ctx, &messageUIDs); err != nil {
return nil, err
}
return xslices.Map(messageUIDs, func(t tmp) imap.InternalMailboxID {
return t.MBoxID
}), nil
}
type UIDWithFlags struct {
InternalID imap.InternalMessageID `json:"uid_message"`
RemoteID imap.MessageID `json:"remote_id"`
UID imap.UID `json:"uid"`
Recent bool `json:"recent"`
Deleted bool `json:"deleted"`
Flags string `json:"flags"`
}
func (u *UIDWithFlags) GetFlagSet() imap.FlagSet {
var flagSet imap.FlagSet
if len(u.Flags) > 0 {
flags := strings.Split(u.Flags, ",")
flagSet = imap.NewFlagSetFromSlice(flags)
} else {
flagSet = imap.NewFlagSet()
}
if u.Deleted {
flagSet.AddToSelf(imap.FlagDeleted)
}
if u.Recent {
flagSet.AddToSelf(imap.FlagRecent)
}
return flagSet
}
// GetMessageUIDsWithFlagsAfterAddOrUIDBump exploits a property of adding a message to or bumping the UIDs of existing message in mailbox. It can only be
// used if you can guarantee that the messageID list contains only IDs that have recently added or bumped in the mailbox.
func GetMessageUIDsWithFlagsAfterAddOrUIDBump(ctx context.Context, client *ent.Client, mboxID imap.InternalMailboxID, messageIDs []imap.InternalMessageID) ([]UIDWithFlags, error) {
result := make([]UIDWithFlags, 0, len(messageIDs))
// Hav to split this in chunks as this can trigger too many SQL Variables.
for _, chunk := range xslices.Chunk(messageIDs, ChunkLimit) {
// We can just sort the by UID as every addition and bump will be a new UID in ascending order.
if err := client.UID.Query().Where(func(s *sql.Selector) {
msgTable := sql.Table(message.Table)
flagTable := sql.Table(messageflag.Table)
s.Join(msgTable).On(s.C(uid.MessageColumn), msgTable.C(message.FieldID))
s.LeftJoin(flagTable).On(s.C(uid.MessageColumn), flagTable.C(messageflag.MessagesColumn))
s.Where(sql.And(sql.EQ(uid.MailboxColumn, mboxID), sql.In(s.C(uid.MessageColumn), xslices.Map(chunk, func(id imap.InternalMessageID) interface{} {
return id
})...)))
s.Select(msgTable.C(message.FieldRemoteID), sql.As(fmt.Sprintf("GROUP_CONCAT(%v)", flagTable.C(messageflag.FieldValue)), "flags"), s.C(uid.FieldRecent), s.C(uid.FieldDeleted), s.C(uid.FieldUID), s.C(uid.MessageColumn))
s.GroupBy(s.C(uid.MessageColumn))
}).Select().Scan(ctx, &result); err != nil {
return nil, err
}
}
slices.SortFunc(result, func(v1 UIDWithFlags, v2 UIDWithFlags) bool {
return v1.UID < v2.UID
})
if len(result) == 0 {
return nil, fmt.Errorf("result can never be null after UID bump")
}
return result, nil
}
type MessageFlagSet struct {
ID imap.InternalMessageID
RemoteID imap.MessageID
FlagSet imap.FlagSet
}
// GetMessageFlags returns the flags of the given messages.
// It does not include per-mailbox flags (\Deleted, \Recent)!
func GetMessageFlags(ctx context.Context, client *ent.Client, messageIDs []imap.InternalMessageID) ([]MessageFlagSet, error) {
result := make([]MessageFlagSet, 0, len(messageIDs))
for _, chunk := range xslices.Chunk(messageIDs, ChunkLimit) {
chunkMessages, err := client.Message.Query().
Where(message.IDIn(chunk...)).
WithFlags(func(query *ent.MessageFlagQuery) {
query.Select(messageflag.FieldValue)
}).
Select(message.FieldID, message.FieldRemoteID).
All(ctx)
if err != nil {
return nil, err
}
for _, msg := range chunkMessages {
mfs := MessageFlagSet{
ID: msg.ID,
RemoteID: msg.RemoteID,
FlagSet: imap.NewFlagSetWithCapacity(len(msg.Edges.Flags)),
}
for _, v := range msg.Edges.Flags {
mfs.FlagSet.AddToSelf(v.Value)
}
result = append(result, mfs)
}
}
return result, nil
}
func GetMessageDeleted(ctx context.Context, client *ent.Client, mboxID imap.InternalMailboxID, messageIDs []imap.InternalMessageID) (map[imap.InternalMessageID]bool, error) {
type tmp struct {
MsgID imap.InternalMessageID `json:"uid_message"`
Deleted bool `json:"deleted"`
}
var result []tmp
for _, chunk := range xslices.Chunk(messageIDs, ChunkLimit) {
if err := client.UID.Query().Where(
func(s *sql.Selector) {
s.Where(sql.And(sql.In(uid.MessageColumn, xslices.Map(chunk, func(t imap.InternalMessageID) interface{} {
return interface{}(t)
})...), sql.EQ(uid.MailboxColumn, mboxID)))
}).
Select(uid.MessageColumn, uid.FieldDeleted).
Scan(ctx, &result); err != nil {
return nil, err
}
}
res := make(map[imap.InternalMessageID]bool)
for _, r := range result {
res[r.MsgID] = r.Deleted
}
return res, nil
}
func AddMessageFlag(ctx context.Context, tx *ent.Tx, messageIDs []imap.InternalMessageID, addFlag string) error {
for _, chunk := range xslices.Chunk(messageIDs, ChunkLimit) {
builders := xslices.Map(chunk, func(imap.InternalMessageID) *ent.MessageFlagCreate {
return tx.MessageFlag.Create().SetValue(addFlag)
})
flags, err := tx.MessageFlag.CreateBulk(builders...).Save(ctx)
if err != nil {
return err
}
for idx, msg := range chunk {
if _, err := tx.Message.Update().Where(message.ID(msg)).AddFlags(flags[idx]).Save(ctx); err != nil {
return err
}
}
}
return nil
}
func RemoveMessageFlag(ctx context.Context, tx *ent.Tx, messageIDs []imap.InternalMessageID, remFlag string) error {
remFlagSet := imap.NewFlagSet(remFlag)
for _, chunk := range xslices.Chunk(messageIDs, ChunkLimit) {
messages, err := tx.Message.Query().
Where(message.IDIn(chunk...)).
Select(message.FieldID).
WithFlags().
All(ctx)
if err != nil {
return err
}
flags := xslices.Map(messages, func(message *ent.Message) *ent.MessageFlag {
return message.Edges.Flags[xslices.IndexFunc(message.Edges.Flags, func(flag *ent.MessageFlag) bool {
return remFlagSet.Contains(flag.Value)
})]
})
for idx, message := range messages {
if _, err := message.Update().RemoveFlags(flags[idx]).Save(ctx); err != nil {
return err
}
}
}
return nil
}
func SetMessageFlags(ctx context.Context, tx *ent.Tx, messageIDs []imap.InternalMessageID, setFlags imap.FlagSet) error {
for _, chunk := range xslices.Chunk(messageIDs, ChunkLimit) {
messages, err := tx.Message.Query().
Where(message.IDIn(chunk...)).
Select(message.FieldID).
WithFlags().
All(ctx)
if err != nil {
return err
}
for _, message := range messages {
curFlagSet := imap.NewFlagSetFromSlice(xslices.Map(message.Edges.Flags, func(flag *ent.MessageFlag) string {
return flag.Value
}))
addFlags := xslices.Filter(setFlags.ToSlice(), func(flag string) bool {
return !curFlagSet.Contains(flag)
})
builders := xslices.Map(addFlags, func(flag string) *ent.MessageFlagCreate {
return tx.MessageFlag.Create().SetValue(flag)
})
addEntFlags, err := tx.MessageFlag.CreateBulk(builders...).Save(ctx)
if err != nil {
return err
}
remEntFlags := xslices.Filter(message.Edges.Flags, func(flag *ent.MessageFlag) bool {
return !setFlags.Contains(flag.Value)
})
if _, err := message.Update().
AddFlags(addEntFlags...).
RemoveFlags(remEntFlags...).
Save(ctx); err != nil {
return err
}
}
}
return nil
}
func SetDeletedFlag(ctx context.Context, tx *ent.Tx, mboxID imap.InternalMailboxID, messageIDs []imap.InternalMessageID, deleted bool) error {
for _, chunk := range xslices.Chunk(messageIDs, ChunkLimit) {
if _, err := tx.UID.Update().
Where(
func(s *sql.Selector) {
s.Where(sql.And(sql.In(uid.MessageColumn, xslices.Map(chunk, func(t imap.InternalMessageID) interface{} {
return interface{}(t)
})...), sql.EQ(uid.MailboxColumn, mboxID)))
}).
SetDeleted(deleted).
Save(ctx); err != nil {
return err
}
}
return nil
}
func ClearRecentFlag(ctx context.Context, tx *ent.Tx, mboxID imap.InternalMailboxID, messageID imap.InternalMessageID) error {
if _, err := tx.UID.Update().
Where(
func(s *sql.Selector) {
s.Where(sql.And(sql.EQ(uid.MessageColumn, messageID), sql.EQ(uid.MailboxColumn, mboxID), sql.EQ(uid.FieldRecent, true)))
}).
SetRecent(false).
Save(ctx); err != nil {
return err
}
return nil
}
func ClearRecentFlags(ctx context.Context, tx *ent.Tx, mboxID imap.InternalMailboxID) error {
if _, err := tx.UID.Update().
Where(
func(s *sql.Selector) {
s.Where(sql.And(sql.EQ(uid.MailboxColumn, mboxID), sql.EQ(uid.FieldRecent, true)))
}).
SetRecent(false).
Save(ctx); err != nil {
return err
}
return nil
}
func UpdateRemoteMessageID(ctx context.Context, tx *ent.Tx, internalID imap.InternalMessageID, remoteID imap.MessageID) error {
if _, err := tx.Message.Update().
Where(message.ID(internalID)).
SetRemoteID(remoteID).
Save(ctx); err != nil {
return err
}
return nil
}
func MarkMessageAsDeleted(ctx context.Context, tx *ent.Tx, messageID imap.InternalMessageID) error {
if _, err := tx.Message.Update().Where(message.ID(messageID)).SetDeleted(true).Save(ctx); err != nil {
return err
}
return nil
}
func MarkMessageAsDeletedAndAssignRandomRemoteID(ctx context.Context, tx *ent.Tx, messageID imap.InternalMessageID) error {
randomID := imap.MessageID(fmt.Sprintf("DELETED-%v", imap.NewInternalMessageID()))
if _, err := tx.Message.Update().Where(message.ID(messageID)).SetDeleted(true).SetRemoteID(randomID).Save(ctx); err != nil {
return err
}
return nil
}
func MarkMessageAsDeletedWithRemoteID(ctx context.Context, tx *ent.Tx, messageID imap.MessageID) error {
if _, err := tx.Message.Update().Where(message.RemoteID(messageID)).SetDeleted(true).Save(ctx); err != nil {
return err
}
return nil
}
func DeleteMessages(ctx context.Context, tx *ent.Tx, messageIDs ...imap.InternalMessageID) error {
for _, chunk := range xslices.Chunk(messageIDs, ChunkLimit) {
if _, err := tx.Message.Delete().Where(message.IDIn(chunk...)).Exec(ctx); err != nil {
return err
}
}
return nil
}
func GetMessageIDsMarkedDeleted(ctx context.Context, client *ent.Client) ([]imap.InternalMessageID, error) {
messages, err := client.Message.Query().Where(message.Deleted(true)).Select(message.FieldID).All(ctx)
if err != nil {
return nil, err
}
return xslices.Map(messages, func(t *ent.Message) imap.InternalMessageID {
return t.ID
}), nil
}
func HasMessageWithID(ctx context.Context, client *ent.Client, id imap.InternalMessageID) (bool, error) {
return client.Message.Query().Where(message.ID(id)).Exist(ctx)
}
func HasMessageWithRemoteID(ctx context.Context, client *ent.Client, id imap.MessageID) (bool, error) {
return client.Message.Query().Where(message.RemoteID(id)).Exist(ctx)
}
func GetMessageIDFromRemoteID(ctx context.Context, client *ent.Client, id imap.MessageID) (imap.InternalMessageID, error) {
message, err := client.Message.Query().Where(message.RemoteID(id)).Select(message.FieldID).Only(ctx)
if err != nil {
return imap.InternalMessageID{}, err
}
return message.ID, nil
}
func GetMessageWithIDWithDeletedFlag(ctx context.Context, client *ent.Client, id imap.InternalMessageID) (*ent.Message, error) {
message, err := client.Message.Query().Where(message.ID(id)).Select(message.FieldID, message.FieldDeleted).Only(ctx)
if err != nil {
return nil, err
}
return message, nil
}
func GetMessageFromRemoteIDWithDeletedFlag(ctx context.Context, client *ent.Client, id imap.MessageID) (*ent.Message, error) {
message, err := client.Message.Query().Where(message.RemoteID(id)).Select(message.FieldID, message.FieldDeleted).Only(ctx)
if err != nil {
return nil, err
}
return message, nil
}
func GetMessageRemoteIDFromID(ctx context.Context, client *ent.Client, id imap.InternalMessageID) (imap.MessageID, error) {
message, err := client.Message.Query().Where(message.ID(id)).Select(message.FieldRemoteID).Only(ctx)
if err != nil {
return "", err
}
return message.RemoteID, nil
}
func NewFlagSet(msgUID *ent.UID, flags []*ent.MessageFlag) imap.FlagSet {
flagSet := imap.NewFlagSetFromSlice(xslices.Map(flags, func(flag *ent.MessageFlag) string {
return flag.Value
}))
if msgUID.Deleted {
flagSet.AddToSelf(imap.FlagDeleted)
}
if msgUID.Recent {
flagSet.AddToSelf(imap.FlagRecent)
}
return flagSet
}
func GetHighestMessageID(ctx context.Context, client *ent.Client) (imap.InternalMessageID, error) {
message, err := client.Message.Query().Select(message.FieldID).Order(ent.Desc(message.FieldID)).Limit(1).All(ctx)
if err != nil {
return imap.InternalMessageID{}, err
}
if len(message) == 0 {
return imap.InternalMessageID{}, nil
}
return message[0].ID, nil
}
func GetAllMessagesIDsAsMap(ctx context.Context, client *ent.Client) (map[imap.InternalMessageID]struct{}, error) {
messages, err := client.Message.Query().Select(message.FieldID).All(ctx)
if err != nil {
return nil, err
}
idMap := make(map[imap.InternalMessageID]struct{}, len(messages))
for _, v := range messages {
idMap[v.ID] = struct{}{}
}
return idMap, nil
}