common

package
v1.12.1 Latest Latest
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Published: Dec 20, 2018 License: MIT Imports: 30 Imported by: 0

Documentation

Overview

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

Index

Constants

View Source
const (
	VERSIONMAJOR = 1
	VERSIONMINOR = 12
	VERSIONPATCH = 1
)

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 + " Wonder what memes 2019 will bring"

	GORM *gorm.DB
	PQ   *sql.DB

	RedisPool *radix.Pool

	BotSession *discordgo.Session
	BotUser    *discordgo.User
	Conf       *CoreConfig

	RedisPoolSize = 25

	Statsd *statsd.Client

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

	CurrentRunCounter int64
)
View Source
var Adjectives = []string{}/* 1345 elements not displayed */
View Source
var DiscordInviteSource = &InviteSource{
	Name:  "Discord",
	Regex: regexp.MustCompile(`(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(`((https?|steam):\/\/[^\s<]+[^<.,:;"')\]\s])`)
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",
}
View Source
var ThirdpartyDiscordSites = []*InviteSource{
	&InviteSource{Name: "discord.me", Regex: regexp.MustCompile(`discord\.me\/.+`)},
	&InviteSource{Name: "invite.gg", Regex: regexp.MustCompile(`invite\.gg\/.+`)},
	&InviteSource{Name: "discord.io", Regex: regexp.MustCompile(`discord\.io\/.+`)},
	&InviteSource{Name: "disboard.org", Regex: regexp.MustCompile(`disboard\.org\/server\/join\/.+`)},
	&InviteSource{Name: "discordy.com", Regex: regexp.MustCompile(`discordy\.com\/server\.php`)},
}

Functions

func AddCPLogEntry

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

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 ConnectDatadog added in v1.4.1

func ConnectDatadog()

func ContainsInt64Slice

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

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 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 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 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 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 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 KeyGuild

func KeyGuild(guildID int64) string

func KeyGuildChannels

func KeyGuildChannels(guildID int64) string

func LogIgnoreError added in v1.11.0

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

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 RegisterPluginL

func RegisterPluginL(pl Plugin)

RegisterPluginL 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 RunBackgroundWorkers added in v1.11.0

func RunBackgroundWorkers()

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 SetRedisJson

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

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

func StopBackgroundWorkers added in v1.11.0

func StopBackgroundWorkers(wg *sync.WaitGroup)

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)

func ValidateSQLSchema

func ValidateSQLSchema(input string)

ValidateSQLSchema does some simple security checks on a sql schema file At the moment it only checks for drop table/index statements accidentally left in the schema file

Types

type BackgroundWorkerPlugin added in v1.11.0

type BackgroundWorkerPlugin interface {
	RunBackgroundWorker()
	StopBackgroundWorker(wg *sync.WaitGroup)
}

type BasePlugin

type BasePlugin struct {
	Entry *logrus.Entry
}

func (*BasePlugin) Logger

func (p *BasePlugin) Logger() *logrus.Entry

func (*BasePlugin) SetLogger

func (p *BasePlugin) SetLogger(entry *logrus.Entry)

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
	ContextKeyGuilds
	ContextKeyCurrentGuild
	ContextKeyCurrentUserGuild
	ContextKeyGuildChannels
	ContextKeyGuildRoles
	ContextKeyParsedForm
	ContextKeyFormOk
	ContextKeyBotMember
	ContextKeyBotPermissions
	ContextKeyHighestBotRole
	ContextKeyLogger
	ContextKeyIsPartial
)

type CoreConfig

type CoreConfig struct {
	Owner int64
	BotID int64

	ClientID     string
	ClientSecret string
	BotToken     string
	Host         string
	Email        string // The letsencrypt cert will use this email

	PQHost     string
	PQUsername string
	PQPassword string
	Redis      string

	DogStatsdAddress string
}

func LoadConfig

func LoadConfig() (c *CoreConfig, err error)

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 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 {
	Name() string
}

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

type PluginWithLogging

type PluginWithLogging interface {
	Logger() *logrus.Entry
	SetLogger(entry *logrus.Entry)
}

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
}

type WrappedGuild

type WrappedGuild struct {
	*discordgo.UserGuild
	Connected bool
}

func GetWrapped

func GetWrapped(in []*discordgo.UserGuild) ([]*WrappedGuild, error)

GetWrapped Returns a wrapped guild with connected set

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