common

package
v1.23.2 Latest Latest
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 Go to latest Published: Feb 29, 2020 License: MIT Imports: 35 Imported by: 0

Documentation

Overview

this package provides core functinality to yagpdb, important security stuff here

this package provides core functinality to yagpdb, important security stuff here

Code duplicated directly from commands/util.go

Index

Constants

View Source 
const CoreServerConfDBSchema = `` /* 237-byte string literal not displayed */
View Source 
const ServicesRedisKey = "yag_services"

Variables

View Source 
var (
	ErrNotFound    = errors.New("Not found")
	CacheKeyPrefix = "cache_"

	Cache *ccache.Cache
)
View Source 
var (
	VERSION = "unknown"

	GORM *gorm.DB
	PQ   *sql.DB

	RedisPool *basicredispool.Pool

	BotSession *discordgo.Session
	BotUser    *discordgo.User

	RedisPoolSize = 0

	Statsd *statsd.Client

	Testing = os.Getenv("YAGPDB_TESTING") != ""

	CurrentRunCounter int64

	NodeID string
)
View Source 
var (
	ConfClientID     = config.RegisterOption("yagpdb.clientid", "Client ID of the discord application", nil)
	ConfClientSecret = config.RegisterOption("yagpdb.clientsecret", "Client Secret of the discord application", nil)
	ConfBotToken     = config.RegisterOption("yagpdb.bottoken", "Token of the bot user", nil)
	ConfHost         = config.RegisterOption("yagpdb.host", "Host without the protocol, example: example.com, used by the webserver", nil)
	ConfEmail        = config.RegisterOption("yagpdb.email", "Email used when fetching lets encrypt certificate", "")

	ConfPQHost     = config.RegisterOption("yagpdb.pqhost", "Postgres host", "localhost")
	ConfPQUsername = config.RegisterOption("yagpdb.pqusername", "Postgres user", "postgres")
	ConfPQPassword = config.RegisterOption("yagpdb.pqpassword", "Postgres passoword", "")
	ConfPQDB       = config.RegisterOption("yagpdb.pqdb", "Postgres database", "yagpdb")
	ConfRedis      = config.RegisterOption("yagpdb.redis", "Redis address", "localhost:6379")

	ConfMaxCCR            = config.RegisterOption("yagpdb.max_ccr", "Maximum number of concurrent outgoing requests to discord", 25)
	ConfDisableKeepalives = config.RegisterOption("yagpdb.disable_keepalives", "Disables keepalive connections for outgoing requests to discord, this shouldn't be needed but i had networking issues once so i had to", false)

	ConfDogStatsdAddress = config.RegisterOption("yagpdb.dogstatsdaddress", "dogstatsd address", "")

	BotOwners []int64
)
View Source 
var (
	PluginCategoryCore       = &PluginCategory{Name: "Core", Order: 0}
	PluginCategoryModeration = &PluginCategory{Name: "Moderation", Order: 10}
	PluginCategoryMisc       = &PluginCategory{Name: "Misc", Order: 20}
	PluginCategoryFeeds      = &PluginCategory{Name: "Feeds", Order: 30}
)
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var Adjectives = []string{}/* 1345 elements not displayed */
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var AllInviteSources = append([]*InviteSource{DiscordInviteSource}, ThirdpartyDiscordSites...)
View Source 
var CoreServerConfigCache = rcache.NewInt(coreServerConfigCacheFetcher, time.Minute)
View Source 
var DiscordInviteSource = &InviteSource{
	Name:  "Discord",
	Regex: regexp.MustCompile(`(?i)(discord\.gg|discordapp\.com\/invite)(?:\/#)?\/([a-zA-Z0-9-]+)`),
}
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var (
	ErrMaxLockAttemptsExceeded = errors.New("Max lock attempts exceeded")
)
View Source 
var LinkRegex = regexp.MustCompile(`(http(s)?:\/\/)?(www\.)?[-a-zA-Z0-9@:%_\+~#=]{1,256}\.[a-z]{2,6}\b([-a-zA-Z0-9@:%_\+.~#?&//=]*)`)
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var Nouns = []string{}/* 111 elements not displayed */
View Source 
var (
	Plugins []Plugin
)
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var ServicePoller = &servicePoller{}
View Source 
var ServiceTracker = newServiceTracker()

ServiceTracker keeps track of the various components of yagpdb in a central location for ease of access

View Source 
var StringPerms = map[int]string{
	discordgo.PermissionReadMessages:       "Read Messages",
	discordgo.PermissionSendMessages:       "Send Messages",
	discordgo.PermissionSendTTSMessages:    "Send TTS Messages",
	discordgo.PermissionManageMessages:     "Manage Messages",
	discordgo.PermissionEmbedLinks:         "Embed Links",
	discordgo.PermissionAttachFiles:        "Attach Files",
	discordgo.PermissionReadMessageHistory: "Read Message History",
	discordgo.PermissionMentionEveryone:    "Mention Everyone",
	discordgo.PermissionVoiceConnect:       "Voice Connect",
	discordgo.PermissionVoiceSpeak:         "Voice Speak",
	discordgo.PermissionVoiceMuteMembers:   "Voice Mute Members",
	discordgo.PermissionVoiceDeafenMembers: "Voice Deafen Members",
	discordgo.PermissionVoiceMoveMembers:   "Voice Move Members",
	discordgo.PermissionVoiceUseVAD:        "Voice Use VAD",

	discordgo.PermissionCreateInstantInvite: "Create Instant Invite",
	discordgo.PermissionKickMembers:         "Kick Members",
	discordgo.PermissionBanMembers:          "Ban Members",
	discordgo.PermissionManageRoles:         "Manage Roles",
	discordgo.PermissionManageChannels:      "Manage Channels",
	discordgo.PermissionManageServer:        "Manage Server",
	discordgo.PermissionManageWebhooks:      "Manage Webhooks",
}
View Source 
var ThirdpartyDiscordSites = []*InviteSource{
	&InviteSource{Name: "discord.me", Regex: regexp.MustCompile(`(?i)discord\.me\/.+`)},
	&InviteSource{Name: "invite.gg", Regex: regexp.MustCompile(`(?i)invite\.gg\/.+`)},
	&InviteSource{Name: "discord.io", Regex: regexp.MustCompile(`(?i)discord\.io\/.+`)},
	&InviteSource{Name: "discord.li", Regex: regexp.MustCompile(`(?i)discord\.li\/.+`)},
	&InviteSource{Name: "disboard.org", Regex: regexp.MustCompile(`(?i)disboard\.org\/server\/join\/.+`)},
	&InviteSource{Name: "discordy.com", Regex: regexp.MustCompile(`(?i)discordy\.com\/server\.php`)},
}

Functions

func AddCPLogEntry 

func AddCPLogEntry(user *discordgo.User, guild int64, args ...interface{})

func AddLogHook added in v1.17.3 

func AddLogHook(hook logrus.Hook)

func AddRole 

func AddRole(member *discordgo.Member, role int64, guildID int64) error

func AddRoleDS added in v1.4.1 

func AddRoleDS(ms *dstate.MemberState, role int64) error

func BlockingLockRedisKey 

func BlockingLockRedisKey(key string, maxTryDuration time.Duration, maxLockDur int) error

BlockingLockRedisKey blocks until it suceeded to lock the key

func BotIsOnGuild added in v1.14.0 

func BotIsOnGuild(guildID int64) (bool, error)

func ConnectDatadog added in v1.4.1 

func ConnectDatadog()

func ContainsInt64Slice 

func ContainsInt64Slice(slice []int64, search int64) bool

func ContainsInt64SliceOneOf added in v1.13.0 

func ContainsInt64SliceOneOf(slice []int64, search []int64) bool

ContainsInt64SliceOneOf returns true if slice contains one of search

func ContainsIntSlice added in v1.11.0 

func ContainsIntSlice(slice []int, search int) bool

func ContainsStringSlice 

func ContainsStringSlice(strs []string, search string) bool

func ContainsStringSliceFold 

func ContainsStringSliceFold(strs []string, search string) bool

func ContextCoreConf added in v1.17.0 

func ContextCoreConf(ctx context.Context) *models.CoreConfig

func CoreConfigSave added in v1.17.0 

func CoreConfigSave(ctx context.Context, m *models.CoreConfig) error

func CoreInit added in v1.20.17 

func CoreInit() error

CoreInit initializes the essential parts

func CutStringShort 

func CutStringShort(s string, l int) string

CutStringShort stops a strinng at "l"-3 if it's longer than "l" and adds "..."

func DelayedMessageDelete 

func DelayedMessageDelete(session *discordgo.Session, delay time.Duration, cID, mID int64)

DelayedMessageDelete Deletes a message after delay

func DiscordError 

func DiscordError(err error) (code int, msg string)

DiscordError extracts the errorcode discord sent us

func DiscordGatewayLogger added in v1.22.2 

func DiscordGatewayLogger(shardID int, connectionID int, msgL int, msgf string, args ...interface{})

func ErrPQIsUniqueViolation added in v1.10.0 

func ErrPQIsUniqueViolation(err error) bool

func ErrWithCaller 

func ErrWithCaller(err error) error

func EscapeEveryoneHere added in v1.4.10 

func EscapeEveryoneHere(s string, escapeEveryone, escapeHere bool) string

EscapeEveryoneHere Escapes an everyone mention, adding a zero width space between the '@' and rest

func EscapeMentionsFromOutsideSource added in v1.22.1 

func EscapeMentionsFromOutsideSource(s string) string

EscapeMentionsFromOutsideSource adds a zws after all @'s this is to prevent someone abusing discords filtering of certain unicode characters and creating mentions in various ways

func EscapeSpecialMentions 

func EscapeSpecialMentions(in string) string

EscapeSpecialMentions Escapes an everyone mention, adding a zero width space between the '@' and rest

func EscapeSpecialMentionsConditional 

func EscapeSpecialMentionsConditional(s string, allowEveryone, allowHere bool, allowRoles []int64) string

EscapeSpecialMentionsConditional Escapes an everyone mention, adding a zero width space between the '@' and rest

func FallbackEmbed 

func FallbackEmbed(embed *discordgo.MessageEmbed) string

func GenLocalIncrID added in v1.14.0 

func GenLocalIncrID(guildID int64, key string) (int64, error)

GenLocalIncrID creates a new or incremements a existing local id incrememter used to have per guild id's

GenLocalIncrID is deprecated and GenLocalIncrIDPQ should be used instead

func GenLocalIncrIDPQ added in v1.20.14 

func GenLocalIncrIDPQ(tx *sql.Tx, guildID int64, key string) (int64, error)

GenLocalIncrIDPQ creates a new or incremements a existing local id incrememter used to have per guild id's

GenLocalIncrIDPQ differs from GenLocalIncrID in that it uses postgres instead of redis

func GetActiveNodes added in v1.15.3 

func GetActiveNodes() ([]string, error)

func GetBotToken added in v1.19.0 

func GetBotToken() string

func GetCacheData 

func GetCacheData(key string) (data []byte, err error)

Items in the cache expire after 1 min

func GetCacheDataJson 

func GetCacheDataJson(key string, dest interface{}) error

func GetCoreServerConfCached added in v1.17.0 

func GetCoreServerConfCached(guildID int64) *models.CoreConfig

func GetFixedPrefixLogger added in v1.17.3 

func GetFixedPrefixLogger(prefix string) *logrus.Entry

func GetGuild 

func GetGuild(guildID int64) (guild *discordgo.Guild, err error)

GetGuild returns the guild from guildid either from cache or api

func GetGuildChannels 

func GetGuildChannels(guildID int64) (channels []*discordgo.Channel, err error)

GetGuildChannels returns the guilds channels either from cache or api

func GetJoinedServerCount added in v1.11.2 

func GetJoinedServerCount() (int64, error)

func GetPluginLogger added in v1.17.3 

func GetPluginLogger(plugin Plugin) *logrus.Entry

func GetRedisJson 

func GetRedisJson(key string, out interface{}) error

GetRedisJson executes a get redis command and unmarshals the value into out

func HumanizeDuration 

func HumanizeDuration(precision DurationFormatPrecision, in time.Duration) string

func HumanizePermissions added in v1.6.0 

func HumanizePermissions(perms int64) (res []string)

func HumanizeTime 

func HumanizeTime(precision DurationFormatPrecision, in time.Time) string

func Init 

func Init() error

Init initializes the rest of the bot

func InitSchemas added in v1.19.7 

func InitSchemas(name string, schemas ...string)

func InitTest 

func InitTest()

func IsDiscordErr 

func IsDiscordErr(err error, codes ...int) bool

IsDiscordErr returns true if this was a discord error and one of the codes matches

func IsNumber added in v1.17.0 

func IsNumber(v interface{}) bool

func IsOwner added in v1.20.6 

func IsOwner(userID int64) bool

func KeyGuild 

func KeyGuild(guildID int64) string

func KeyGuildChannels 

func KeyGuildChannels(guildID int64) string

func LoadConfig 

func LoadConfig() (err error)

func LogIgnoreError added in v1.11.0 

func LogIgnoreError(err error, msg string, data logrus.Fields)

func MultipleCmds added in v1.18.3 

func MultipleCmds(cmds ...radix.CmdAction) error

func MustParseInt 

func MustParseInt(s string) int64

func ParseDuration added in v1.20.17 

func ParseDuration(str string) (time.Duration, error)

Parses a time string like 1day3h

func RandomAdjective 

func RandomAdjective() string

func RandomNoun added in v1.22.4 

func RandomNoun() string

func RegisterPlugin 

func RegisterPlugin(plugin Plugin)

RegisterPlugin registers a plugin, should be called when the bot is starting up

func RemoveRole 

func RemoveRole(member *discordgo.Member, role int64, guildID int64) error

func RemoveRoleDS added in v1.4.1 

func RemoveRoleDS(ms *dstate.MemberState, role int64) error

func ReplaceServerInvites added in v1.8.1 

func ReplaceServerInvites(msg string, guildID int64, replacement string) string

func RetrySendMessage 

func RetrySendMessage(channel int64, msg interface{}, maxTries int) error

func RunCommonRunPlugins added in v1.20.17 

func RunCommonRunPlugins()

RunCommonRunPlugins runs plugins that implement PluginWithCommonRun

func SendEmbedWithFallback 

func SendEmbedWithFallback(s *discordgo.Session, channelID int64, embed *discordgo.MessageEmbed) (*discordgo.Message, error)

func SendOwnerAlert added in v1.20.0 

func SendOwnerAlert(msgf string, args ...interface{})

func SendTempMessage 

func SendTempMessage(session *discordgo.Session, duration time.Duration, cID int64, msg string)

SendTempMessage sends a message that gets deleted after duration

func SetCacheData 

func SetCacheData(key string, expire int, data []byte) error

Stores an entry in the cache and sets it to expire after expire

func SetCacheDataJson 

func SetCacheDataJson(key string, expire int, data interface{}) error

Helper methods

func SetCacheDataJsonSimple 

func SetCacheDataJsonSimple(key string, data interface{}) error

func SetCacheDataSimple 

func SetCacheDataSimple(key string, data []byte) error

Stores an entry in the cache and sets it to expire after a minute

func SetLogFormatter added in v1.17.3 

func SetLogFormatter(formatter logrus.Formatter)

func SetLoggingLevel added in v1.19.6 

func SetLoggingLevel(level logrus.Level)

func SetRedisJson 

func SetRedisJson(key string, value interface{}) error

SetRedisJson marshals the value and runs a set redis command for key

func SetShutdownFunc added in v1.20.17 

func SetShutdownFunc(f func())

func Shutdown added in v1.20.17 

func Shutdown()

func SqlTX added in v1.19.0 

func SqlTX(f func(tx *sql.Tx) error) error

helper for creating transactions

func TableExists added in v1.20.17 

func TableExists(table string) (b bool, err error)

func TryLockRedisKey 

func TryLockRedisKey(key string, maxDur int) (bool, error)

Locks the lock and if succeded sets it to expire after maxdur So that if someting went wrong its not locked forever

func UnlockRedisKey 

func UnlockRedisKey(key string)

Types

type BotServiceDetails added in v1.20.17 

type BotServiceDetails struct {
	RunningShards    []int  `json:"running_shards"`
	TotalShards      int    `json:"total_shards"`
	NodeID           string `json:"node_id"`
	OrchestratorMode bool   `json:"orchestrator_mode"`
}

BotServiceDetails is bot service specific details

type CPLogEntry 

type CPLogEntry struct {
	Timestamp int64  `json:"ts"`
	Action    string `json:"action"`

	TimestampString string `json:"-"`
}

func GetCPLogEntries 

func GetCPLogEntries(guild int64) ([]*CPLogEntry, error)

type ContextHook 

type ContextHook struct{}

func (ContextHook) Fire 

func (hook ContextHook) Fire(entry *logrus.Entry) error

func (ContextHook) Levels 

func (hook ContextHook) Levels() []logrus.Level

type ContextKey 

type ContextKey int
const (
	ContextKeyRedis ContextKey = iota
	ContextKeyDiscordSession
	ContextKeyTemplateData
	ContextKeyUser
	ContextKeyCurrentGuild
	ContextKeyGuildRoles
	ContextKeyParsedForm
	ContextKeyFormOk
	ContextKeyBotMember
	ContextKeyBotPermissions
	ContextKeyHighestBotRole
	ContextKeyLogger
	ContextKeyIsPartial
	ContextKeyUserMember
	ContextKeyCoreConfig
	ContextKeyMemberPermissions
	ContextKeyIsAdmin
)

type DurationFormatPrecision 

type DurationFormatPrecision int
const (
	DurationPrecisionSeconds DurationFormatPrecision = iota
	DurationPrecisionMinutes
	DurationPrecisionHours
	DurationPrecisionDays
	DurationPrecisionWeeks
	DurationPrecisionYears
)

func (DurationFormatPrecision) FromSeconds 

func (d DurationFormatPrecision) FromSeconds(in int64) int64

func (DurationFormatPrecision) String 

func (d DurationFormatPrecision) String() string

type GORMLogger added in v1.4.7 

type GORMLogger struct {
}

func (*GORMLogger) Print added in v1.4.7 

func (g *GORMLogger) Print(v ...interface{})

type GuildWithConnected added in v1.17.0 

type GuildWithConnected struct {
	*discordgo.UserGuild
	Connected bool
}

func GetGuildsWithConnected added in v1.17.0 

func GetGuildsWithConnected(in []*discordgo.UserGuild) ([]*GuildWithConnected, error)

GetGuildsWithConnected Returns a wrapped guild with connected set

type InviteSource added in v1.12.0 

type InviteSource struct {
	Name  string
	Regex *regexp.Regexp
}

func ContainsInvite added in v1.12.0 

func ContainsInvite(s string, checkDiscordSource, checkThirdPartySources bool) *InviteSource

type LoggedExecutedCommand 

type LoggedExecutedCommand struct {
	SmallModel

	UserID    string
	ChannelID string
	GuildID   string

	// Name of command that was triggered
	Command string
	// Raw command with arguments passed
	RawCommand string
	// If command returned any error this will be no-empty
	Error string

	TimeStamp    time.Time
	ResponseTime int64
}

func (LoggedExecutedCommand) TableName 

func (l LoggedExecutedCommand) TableName() string

type LoggingTransport added in v1.4.1 

type LoggingTransport struct {
	Inner http.RoundTripper
}

func (*LoggingTransport) RoundTrip added in v1.4.1 

func (t *LoggingTransport) RoundTrip(request *http.Request) (*http.Response, error)

type Plugin 

type Plugin interface {
	PluginInfo() *PluginInfo
}

Plugin represents a plugin, all plugins needs to implement this at a bare minimum

type PluginCategory added in v1.17.0 

type PluginCategory struct {
	Name  string
	Order int
}

type PluginInfo added in v1.17.0 

type PluginInfo struct {
	Name     string // Human readable name of the plugin
	SysName  string // snake_case version of the name in lower case
	Category *PluginCategory
}

PluginInfo represents basic plugin information

type PluginWithCommonRun added in v1.20.17 

type PluginWithCommonRun interface {
	CommonRun()
}

PluginWithCommonRun is for plugins that include a function that's always run, no matter if its the webserver frontend, bot or whatever

type STDLogProxy 

type STDLogProxy struct{}

func (*STDLogProxy) Write 

func (p *STDLogProxy) Write(b []byte) (n int, err error)

type Service added in v1.20.17 

type Service struct {
	Type    ServiceType `json:"type"`
	Name    string      `json:"name"`
	Details string      `json:"details"`

	BotDetails *BotServiceDetails `json:"bot_details"`
	// contains filtered or unexported fields
}

Service represents a service or component of yagpdb

type ServiceHost added in v1.20.17 

type ServiceHost struct {
	InternalAPIAddress string `json:"internal_api_address"`
	Host               string `json:"host"`
	PID                int    `json:"pid"`
	Version            string `json:"version"`

	Services []*Service `json:"services"`
}

ServiceHost represents a process that holds oen or more bot components

type ServiceType added in v1.20.17 

type ServiceType string

ServiceType represents the type of the component 

const (
	ServiceTypeBot         ServiceType = "bot"
	ServiceTypeFrontend    ServiceType = "frontend"
	ServiceTypeBGWorker    ServiceType = "bgworker"
	ServiceTypeFeed        ServiceType = "feed"
	ServiceTypeOrchestator ServiceType = "orchestrator"
)

type SmallModel 

type SmallModel struct {
	ID        uint `gorm:"primary_key"`
	CreatedAt time.Time
	UpdatedAt time.Time
}

Source Files

View all Source files

Directories

Path Synopsis
patreonapi
Package pqkeydb is a simple key-value database on top of postgres
 Package pqkeydb is a simple key-value database on top of postgres
models

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