telegabber/telegram/client.go

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package telegram
import (
"github.com/pkg/errors"
"hash/maphash"
"path/filepath"
"strconv"
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"sync"
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"time"
"dev.narayana.im/narayana/telegabber/config"
"dev.narayana.im/narayana/telegabber/persistence"
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"dev.narayana.im/narayana/telegabber/telegram/cache"
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"github.com/zelenin/go-tdlib/client"
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"gosrc.io/xmpp"
)
var logConstants = map[string]int32{
":fatal": 0,
":error": 1,
":warn": 2,
":info": 3,
":debug": 4,
":verbose": 5,
":all": 1023,
}
func stringToLogConstant(c string) int32 {
level, ok := logConstants[c]
if !ok {
level = 0
}
return level
}
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// DelayedStatus describes an online status expiring on timeout
type DelayedStatus struct {
TimestampOnline int64
TimestampExpired int64
}
// MUCState holds MUC metadata
type MUCState struct {
Resources map[string]bool
Members map[int64]*MUCMember
}
// MUCMember represents a MUC member
type MUCMember struct {
Nickname string
Affiliation string
}
func NewMUCState() *MUCState {
return &MUCState{
Resources: make(map[string]bool),
Members: make(map[int64]*MUCMember),
}
}
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// Client stores the metadata for lazily invoked TDlib instance
type Client struct {
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client *client.Client
authorizer *clientAuthorizer
parameters *client.SetTdlibParametersRequest
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options []client.Option
me *client.User
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xmpp *xmpp.Component
jid string
Session *persistence.Session
resources map[string]bool
outbox map[string]string
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content *config.TelegramContentConfig
cache *cache.Cache
online bool
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DelayedStatuses map[int64]*DelayedStatus
DelayedStatusesLock sync.Mutex
lastMsgHashes map[int64]uint64
msgHashSeed maphash.Seed
mucCache map[int64]*MUCState
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locks clientLocks
SendMessageLock sync.Mutex
}
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type clientLocks struct {
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authorizationReady sync.Mutex
chatMessageLocks map[int64]*sync.Mutex
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resourcesLock sync.Mutex
outboxLock sync.Mutex
mucCacheLock sync.Mutex
lastMsgHashesLock sync.Mutex
authorizerReadLock sync.Mutex
authorizerWriteLock sync.Mutex
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}
// NewClient instantiates a Telegram App
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func NewClient(conf config.TelegramConfig, jid string, component *xmpp.Component, session *persistence.Session) (*Client, error) {
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var options []client.Option
options = append(options, client.WithLogVerbosity(&client.SetLogVerbosityLevelRequest{
NewVerbosityLevel: stringToLogConstant(conf.Loglevel),
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}))
if conf.Tdlib.Client.CatchTimeout != 0 {
options = append(options, client.WithCatchTimeout(
time.Duration(conf.Tdlib.Client.CatchTimeout)*time.Second,
))
}
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apiID, err := strconv.ParseInt(conf.Tdlib.Client.APIID, 10, 32)
if err != nil {
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return &Client{}, errors.Wrap(err, "Wrong api_id")
}
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datadir := conf.Tdlib.Datadir
if datadir == "" {
datadir = "./sessions/" // ye olde defaute
}
parameters := client.SetTdlibParametersRequest{
UseTestDc: false,
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DatabaseDirectory: filepath.Join(datadir, jid),
FilesDirectory: filepath.Join(datadir, jid, "/files/"),
UseFileDatabase: true,
UseChatInfoDatabase: conf.Tdlib.Client.UseChatInfoDatabase,
UseMessageDatabase: true,
UseSecretChats: conf.Tdlib.Client.UseSecretChats,
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ApiId: int32(apiID),
ApiHash: conf.Tdlib.Client.APIHash,
SystemLanguageCode: "en",
DeviceModel: conf.Tdlib.Client.DeviceModel,
SystemVersion: "1.0.0",
ApplicationVersion: conf.Tdlib.Client.ApplicationVersion,
EnableStorageOptimizer: true,
IgnoreFileNames: false,
}
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return &Client{
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parameters: &parameters,
xmpp: component,
jid: jid,
Session: session,
resources: make(map[string]bool),
outbox: make(map[string]string),
mucCache: make(map[int64]*MUCState),
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content: &conf.Content,
cache: cache.NewCache(),
options: options,
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DelayedStatuses: make(map[int64]*DelayedStatus),
lastMsgHashes: make(map[int64]uint64),
msgHashSeed: maphash.MakeSeed(),
locks: clientLocks{
chatMessageLocks: make(map[int64]*sync.Mutex),
},
}, nil
}