common

package
v1.19.2 Latest Latest
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Published: Jun 1, 2019 License: MIT Imports: 35 Imported by: 0

Documentation

Overview

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

Index

Constants

View Source
const (
	VERSIONMAJOR = 1
	VERSIONMINOR = 19
	VERSIONPATCH = 2
)
View Source
const CoreServerConfDBSchema = `` /* 237-byte string literal not displayed */

Variables

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

	Cache *ccache.Cache
)
View Source
var (
	VERSIONNUMBER = fmt.Sprintf("%d.%d.%d", VERSIONMAJOR, VERSIONMINOR, VERSIONPATCH)
	VERSION       = VERSIONNUMBER

	GORM *gorm.DB
	PQ   *sql.DB

	RedisPool *basicredispool.Pool

	BotSession *discordgo.Session
	BotUser    *discordgo.User

	RedisPoolSize = 25

	Statsd *statsd.Client

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

	CurrentRunCounter int64

	NodeID string
)
View Source
var (
	ConfOwner = config.RegisterOption("yagpdb.owner", "ID of the owner of the bot", nil)

	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", "")
)
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}
)
View Source
var Adjectives = []string{}/* 1345 elements not displayed */
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-]+)`),
}
View Source
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@:%_\+.~#?&//=]*)`)
View Source
var (
	Plugins []Plugin
)
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: "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 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 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

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

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)

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.Logger

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.Logger

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

Initalizes all database connections, config loading and so on

func InitSchema added in v1.17.0

func InitSchema(schema string, name 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 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 RandomAdjective

func RandomAdjective() 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 SendEmbedWithFallback

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

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 SetRedisJson

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

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

func SqlTX added in v1.19.0

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

helper for creating transactions

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 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
}

type PrefixedLogFormatter added in v1.17.3

type PrefixedLogFormatter struct {
	Inner  logrus.Formatter
	Prefix string
}

func (*PrefixedLogFormatter) Format added in v1.17.3

func (p *PrefixedLogFormatter) Format(entry *logrus.Entry) ([]byte, error)

type STDLogProxy

type STDLogProxy struct{}

func (*STDLogProxy) Write

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

type SmallModel

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

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