Update vendor lrstanley/girc

This commit is contained in:
Wim 2018-05-09 22:48:39 +02:00
parent 529b188164
commit 521a7ed7b0
10 changed files with 203 additions and 846 deletions

View File

@ -113,7 +113,9 @@ func handlePING(c *Client, e Event) {
}
func handlePONG(c *Client, e Event) {
c.conn.mu.Lock()
c.conn.lastPong = time.Now()
c.conn.mu.Unlock()
}
// handleJOIN ensures that the state has updated users and channels.

View File

@ -5,14 +5,11 @@
package girc
import (
"bytes"
"encoding/base64"
"fmt"
"io"
"sort"
"strings"
)
// Something not in the list? Depending on the type of capability, you can
// enable it using Config.SupportedCaps.
var possibleCap = map[string][]string{
"account-notify": nil,
"account-tag": nil,
@ -22,11 +19,25 @@ var possibleCap = map[string][]string{
"chghost": nil,
"extended-join": nil,
"invite-notify": nil,
"message-tags": nil,
"multi-prefix": nil,
"server-time": nil,
"userhost-in-names": nil,
"draft/message-tags-0.2": nil,
"draft/msgid": nil,
// "echo-message" is supported, but it's not enabled by default. This is
// to prevent unwanted confusion and utilize less traffic if it's not needed.
// echo messages aren't sent to girc.PRIVMSG and girc.NOTICE handlers,
// rather they are only sent to girc.ALL_EVENTS handlers (this is to prevent
// each handler to have to check these types of things for each message).
// You can compare events using Event.Equals() to see if they are the same.
}
// https://ircv3.net/specs/extensions/server-time-3.2.html
// <value> ::= YYYY-MM-DDThh:mm:ss.sssZ
const capServerTimeFormat = "2006-01-02T15:04:05.999Z"
func (c *Client) listCAP() {
if !c.Config.disableTracking {
c.write(&Event{Command: CAP, Params: []string{CAP_LS, "302"}})
@ -74,8 +85,8 @@ func parseCap(raw string) map[string][]string {
}
// handleCAP attempts to find out what IRCv3 capabilities the server supports.
// This will lock further registration until we have acknowledged the
// capabilities.
// This will lock further registration until we have acknowledged (or denied)
// the capabilities.
func handleCAP(c *Client, e Event) {
if len(e.Params) >= 2 && (e.Params[1] == CAP_NEW || e.Params[1] == CAP_DEL) {
c.listCAP()
@ -172,133 +183,6 @@ func handleCAP(c *Client, e Event) {
}
}
// SASLMech is an representation of what a SASL mechanism should support.
// See SASLExternal and SASLPlain for implementations of this.
type SASLMech interface {
// Method returns the uppercase version of the SASL mechanism name.
Method() string
// Encode returns the response that the SASL mechanism wants to use. If
// the returned string is empty (e.g. the mechanism gives up), the handler
// will attempt to panic, as expectation is that if SASL authentication
// fails, the client will disconnect.
Encode(params []string) (output string)
}
// SASLExternal implements the "EXTERNAL" SASL type.
type SASLExternal struct {
// Identity is an optional field which allows the client to specify
// pre-authentication identification. This means that EXTERNAL will
// supply this in the initial response. This usually isn't needed (e.g.
// CertFP).
Identity string `json:"identity"`
}
// Method identifies what type of SASL this implements.
func (sasl *SASLExternal) Method() string {
return "EXTERNAL"
}
// Encode for external SALS authentication should really only return a "+",
// unless the user has specified pre-authentication or identification data.
// See https://tools.ietf.org/html/rfc4422#appendix-A for more info.
func (sasl *SASLExternal) Encode(params []string) string {
if len(params) != 1 || params[0] != "+" {
return ""
}
if sasl.Identity != "" {
return sasl.Identity
}
return "+"
}
// SASLPlain contains the user and password needed for PLAIN SASL authentication.
type SASLPlain struct {
User string `json:"user"` // User is the username for SASL.
Pass string `json:"pass"` // Pass is the password for SASL.
}
// Method identifies what type of SASL this implements.
func (sasl *SASLPlain) Method() string {
return "PLAIN"
}
// Encode encodes the plain user+password into a SASL PLAIN implementation.
// See https://tools.ietf.org/rfc/rfc4422.txt for more info.
func (sasl *SASLPlain) Encode(params []string) string {
if len(params) != 1 || params[0] != "+" {
return ""
}
in := []byte(sasl.User)
in = append(in, 0x0)
in = append(in, []byte(sasl.User)...)
in = append(in, 0x0)
in = append(in, []byte(sasl.Pass)...)
return base64.StdEncoding.EncodeToString(in)
}
const saslChunkSize = 400
func handleSASL(c *Client, e Event) {
if e.Command == RPL_SASLSUCCESS || e.Command == ERR_SASLALREADY {
// Let the server know that we're done.
c.write(&Event{Command: CAP, Params: []string{CAP_END}})
return
}
// Assume they want us to handle sending auth.
auth := c.Config.SASL.Encode(e.Params)
if auth == "" {
// Assume the SASL authentication method doesn't want to respond for
// some reason. The SASL spec and IRCv3 spec do not define a clear
// way to abort a SASL exchange, other than to disconnect, or proceed
// with CAP END.
c.rx <- &Event{Command: ERROR, Trailing: fmt.Sprintf(
"closing connection: invalid %s SASL configuration provided: %s",
c.Config.SASL.Method(), e.Trailing,
)}
return
}
// Send in "saslChunkSize"-length byte chunks. If the last chuck is
// exactly "saslChunkSize" bytes, send a "AUTHENTICATE +" 0-byte
// acknowledgement response to let the server know that we're done.
for {
if len(auth) > saslChunkSize {
c.write(&Event{Command: AUTHENTICATE, Params: []string{auth[0 : saslChunkSize-1]}, Sensitive: true})
auth = auth[saslChunkSize:]
continue
}
if len(auth) <= saslChunkSize {
c.write(&Event{Command: AUTHENTICATE, Params: []string{auth}, Sensitive: true})
if len(auth) == 400 {
c.write(&Event{Command: AUTHENTICATE, Params: []string{"+"}})
}
break
}
}
return
}
func handleSASLError(c *Client, e Event) {
if c.Config.SASL == nil {
c.write(&Event{Command: CAP, Params: []string{CAP_END}})
return
}
// Authentication failed. The SASL spec and IRCv3 spec do not define a
// clear way to abort a SASL exchange, other than to disconnect, or
// proceed with CAP END.
c.rx <- &Event{Command: ERROR, Trailing: "closing connection: " + e.Trailing}
}
// handleCHGHOST handles incoming IRCv3 hostname change events. CHGHOST is
// what occurs (when enabled) when a servers services change the hostname of
// a user. Traditionally, this was simply resolved with a quick QUIT and JOIN,
@ -352,288 +236,3 @@ func handleACCOUNT(c *Client, e Event) {
c.state.Unlock()
c.state.notify(c, UPDATE_STATE)
}
// handleTags handles any messages that have tags that will affect state. (e.g.
// 'account' tags.)
func handleTags(c *Client, e Event) {
if len(e.Tags) == 0 {
return
}
account, ok := e.Tags.Get("account")
if !ok {
return
}
c.state.Lock()
user := c.state.lookupUser(e.Source.Name)
if user != nil {
user.Extras.Account = account
}
c.state.Unlock()
c.state.notify(c, UPDATE_STATE)
}
const (
prefixTag byte = '@'
prefixTagValue byte = '='
prefixUserTag byte = '+'
tagSeparator byte = ';'
maxTagLength int = 511 // 510 + @ and " " (space), though space usually not included.
)
// Tags represents the key-value pairs in IRCv3 message tags. The map contains
// the encoded message-tag values. If the tag is present, it may still be
// empty. See Tags.Get() and Tags.Set() for use with getting/setting
// information within the tags.
//
// Note that retrieving and setting tags are not concurrent safe. If this is
// necessary, you will need to implement it yourself.
type Tags map[string]string
// ParseTags parses out the key-value map of tags. raw should only be the tag
// data, not a full message. For example:
// @aaa=bbb;ccc;example.com/ddd=eee
// NOT:
// @aaa=bbb;ccc;example.com/ddd=eee :nick!ident@host.com PRIVMSG me :Hello
func ParseTags(raw string) (t Tags) {
t = make(Tags)
if len(raw) > 0 && raw[0] == prefixTag {
raw = raw[1:]
}
parts := strings.Split(raw, string(tagSeparator))
var hasValue int
for i := 0; i < len(parts); i++ {
hasValue = strings.IndexByte(parts[i], prefixTagValue)
// The tag doesn't contain a value or has a splitter with no value.
if hasValue < 1 || len(parts[i]) < hasValue+1 {
if !validTag(parts[i]) {
continue
}
t[parts[i]] = ""
continue
}
// Check if tag key or decoded value are invalid.
if !validTag(parts[i][:hasValue]) || !validTagValue(tagDecoder.Replace(parts[i][hasValue+1:])) {
continue
}
t[parts[i][:hasValue]] = parts[i][hasValue+1:]
}
return t
}
// Len determines the length of the bytes representation of this tag map. This
// does not include the trailing space required when creating an event, but
// does include the tag prefix ("@").
func (t Tags) Len() (length int) {
if t == nil {
return 0
}
return len(t.Bytes())
}
// Count finds how many total tags that there are.
func (t Tags) Count() int {
if t == nil {
return 0
}
return len(t)
}
// Bytes returns a []byte representation of this tag map, including the tag
// prefix ("@"). Note that this will return the tags sorted, regardless of
// the order of how they were originally parsed.
func (t Tags) Bytes() []byte {
if t == nil {
return []byte{}
}
max := len(t)
if max == 0 {
return nil
}
buffer := new(bytes.Buffer)
buffer.WriteByte(prefixTag)
var current int
// Sort the writing of tags so we can at least guarantee that they will
// be in order, and testable.
var names []string
for tagName := range t {
names = append(names, tagName)
}
sort.Strings(names)
for i := 0; i < len(names); i++ {
// Trim at max allowed chars.
if (buffer.Len() + len(names[i]) + len(t[names[i]]) + 2) > maxTagLength {
return buffer.Bytes()
}
buffer.WriteString(names[i])
// Write the value as necessary.
if len(t[names[i]]) > 0 {
buffer.WriteByte(prefixTagValue)
buffer.WriteString(t[names[i]])
}
// add the separator ";" between tags.
if current < max-1 {
buffer.WriteByte(tagSeparator)
}
current++
}
return buffer.Bytes()
}
// String returns a string representation of this tag map.
func (t Tags) String() string {
if t == nil {
return ""
}
return string(t.Bytes())
}
// writeTo writes the necessary tag bytes to an io.Writer, including a trailing
// space-separator.
func (t Tags) writeTo(w io.Writer) (n int, err error) {
b := t.Bytes()
if len(b) == 0 {
return n, err
}
n, err = w.Write(b)
if err != nil {
return n, err
}
var j int
j, err = w.Write([]byte{eventSpace})
n += j
return n, err
}
// tagDecode are encoded -> decoded pairs for replacement to decode.
var tagDecode = []string{
"\\:", ";",
"\\s", " ",
"\\\\", "\\",
"\\r", "\r",
"\\n", "\n",
}
var tagDecoder = strings.NewReplacer(tagDecode...)
// tagEncode are decoded -> encoded pairs for replacement to decode.
var tagEncode = []string{
";", "\\:",
" ", "\\s",
"\\", "\\\\",
"\r", "\\r",
"\n", "\\n",
}
var tagEncoder = strings.NewReplacer(tagEncode...)
// Get returns the unescaped value of given tag key. Note that this is not
// concurrent safe.
func (t Tags) Get(key string) (tag string, success bool) {
if t == nil {
return "", false
}
if _, ok := t[key]; ok {
tag = tagDecoder.Replace(t[key])
success = true
}
return tag, success
}
// Set escapes given value and saves it as the value for given key. Note that
// this is not concurrent safe.
func (t Tags) Set(key, value string) error {
if t == nil {
t = make(Tags)
}
if !validTag(key) {
return fmt.Errorf("tag key %q is invalid", key)
}
value = tagEncoder.Replace(value)
if len(value) > 0 && !validTagValue(value) {
return fmt.Errorf("tag value %q of key %q is invalid", value, key)
}
// Check to make sure it's not too long here.
if (t.Len() + len(key) + len(value) + 2) > maxTagLength {
return fmt.Errorf("unable to set tag %q [value %q]: tags too long for message", key, value)
}
t[key] = value
return nil
}
// Remove deletes the tag frwom the tag map.
func (t Tags) Remove(key string) (success bool) {
if t == nil {
return false
}
if _, success = t[key]; success {
delete(t, key)
}
return success
}
// validTag validates an IRC tag.
func validTag(name string) bool {
if len(name) < 1 {
return false
}
// Allow user tags to be passed to validTag.
if len(name) >= 2 && name[0] == prefixUserTag {
name = name[1:]
}
for i := 0; i < len(name); i++ {
// A-Z, a-z, 0-9, -/._
if (name[i] < 'A' || name[i] > 'Z') && (name[i] < 'a' || name[i] > 'z') && (name[i] < '-' || name[i] > '9') && name[i] != '_' {
return false
}
}
return true
}
// validTagValue valids a decoded IRC tag value. If the value is not decoded
// with tagDecoder first, it may be seen as invalid.
func validTagValue(value string) bool {
for i := 0; i < len(value); i++ {
// Don't allow any invisible chars within the tag, or semicolons.
if value[i] < '!' || value[i] > '~' || value[i] == ';' {
return false
}
}
return true
}

View File

@ -14,6 +14,7 @@ import (
"log"
"runtime"
"sort"
"strings"
"sync"
"time"
)
@ -173,8 +174,8 @@ func (conf *Config) isValid() error {
conf.Port = 6667
}
if conf.Port < 21 || conf.Port > 65535 {
return &ErrInvalidConfig{Conf: *conf, err: errors.New("port outside valid range (21-65535)")}
if conf.Port < 1 || conf.Port > 65535 {
return &ErrInvalidConfig{Conf: *conf, err: errors.New("port outside valid range (1-65535)")}
}
if !IsValidNick(conf.Nick) {
@ -432,7 +433,6 @@ func (c *Client) GetNick() string {
if c.state.nick == "" {
return c.Config.Nick
}
return c.state.nick
}
@ -448,140 +448,124 @@ func (c *Client) GetIdent() string {
if c.state.ident == "" {
return c.Config.User
}
return c.state.ident
}
// GetHost returns the current host of the active connection. Panics if
// tracking is disabled. May be empty, as this is obtained from when we join
// a channel, as there is no other more efficient method to return this info.
func (c *Client) GetHost() string {
func (c *Client) GetHost() (host string) {
c.panicIfNotTracking()
c.state.RLock()
defer c.state.RUnlock()
return c.state.host
host = c.state.host
c.state.RUnlock()
return host
}
// ChannelList returns the active list of channel names that the client is in.
// Panics if tracking is disabled.
// ChannelList returns the (sorted) active list of channel names that the client
// is in. Panics if tracking is disabled.
func (c *Client) ChannelList() []string {
c.panicIfNotTracking()
c.state.RLock()
channels := make([]string, len(c.state.channels))
var i int
channels := make([]string, 0, len(c.state.channels))
for channel := range c.state.channels {
channels[i] = c.state.channels[channel].Name
i++
channels = append(channels, c.state.channels[channel].Name)
}
c.state.RUnlock()
sort.Strings(channels)
return channels
}
// Channels returns the active channels that the client is in. Panics if
// tracking is disabled.
// Channels returns the (sorted) active channels that the client is in. Panics
// if tracking is disabled.
func (c *Client) Channels() []*Channel {
c.panicIfNotTracking()
c.state.RLock()
channels := make([]*Channel, len(c.state.channels))
var i int
channels := make([]*Channel, 0, len(c.state.channels))
for channel := range c.state.channels {
channels[i] = c.state.channels[channel].Copy()
i++
channels = append(channels, c.state.channels[channel].Copy())
}
c.state.RUnlock()
sort.Slice(channels, func(i, j int) bool {
return channels[i].Name < channels[j].Name
})
return channels
}
// UserList returns the active list of nicknames that the client is tracking
// across all networks. Panics if tracking is disabled.
// UserList returns the (sorted) active list of nicknames that the client is
// tracking across all channels. Panics if tracking is disabled.
func (c *Client) UserList() []string {
c.panicIfNotTracking()
c.state.RLock()
users := make([]string, len(c.state.users))
var i int
users := make([]string, 0, len(c.state.users))
for user := range c.state.users {
users[i] = c.state.users[user].Nick
i++
users = append(users, c.state.users[user].Nick)
}
c.state.RUnlock()
sort.Strings(users)
return users
}
// Users returns the active users that the client is tracking across all
// networks. Panics if tracking is disabled.
// Users returns the (sorted) active users that the client is tracking across
// all channels. Panics if tracking is disabled.
func (c *Client) Users() []*User {
c.panicIfNotTracking()
c.state.RLock()
users := make([]*User, len(c.state.users))
var i int
users := make([]*User, 0, len(c.state.users))
for user := range c.state.users {
users[i] = c.state.users[user].Copy()
i++
users = append(users, c.state.users[user].Copy())
}
c.state.RUnlock()
sort.Slice(users, func(i, j int) bool {
return users[i].Nick < users[j].Nick
})
return users
}
// LookupChannel looks up a given channel in state. If the channel doesn't
// exist, nil is returned. Panics if tracking is disabled.
func (c *Client) LookupChannel(name string) *Channel {
func (c *Client) LookupChannel(name string) (channel *Channel) {
c.panicIfNotTracking()
if name == "" {
return nil
}
c.state.RLock()
defer c.state.RUnlock()
channel := c.state.lookupChannel(name)
if channel == nil {
return nil
}
return channel.Copy()
channel = c.state.lookupChannel(name).Copy()
c.state.RUnlock()
return channel
}
// LookupUser looks up a given user in state. If the user doesn't exist, nil
// is returned. Panics if tracking is disabled.
func (c *Client) LookupUser(nick string) *User {
func (c *Client) LookupUser(nick string) (user *User) {
c.panicIfNotTracking()
if nick == "" {
return nil
}
c.state.RLock()
defer c.state.RUnlock()
user := c.state.lookupUser(nick)
if user == nil {
return nil
}
return user.Copy()
user = c.state.lookupUser(nick).Copy()
c.state.RUnlock()
return user
}
// IsInChannel returns true if the client is in channel. Panics if tracking
// is disabled.
func (c *Client) IsInChannel(channel string) bool {
func (c *Client) IsInChannel(channel string) (in bool) {
c.panicIfNotTracking()
c.state.RLock()
_, inChannel := c.state.channels[ToRFC1459(channel)]
_, in = c.state.channels[ToRFC1459(channel)]
c.state.RUnlock()
return inChannel
return in
}
// GetServerOption retrieves a server capability setting that was retrieved
@ -596,7 +580,6 @@ func (c *Client) GetServerOption(key string) (result string, ok bool) {
c.state.RLock()
result, ok = c.state.serverOptions[key]
c.state.RUnlock()
return result, ok
}
@ -607,7 +590,6 @@ func (c *Client) NetworkName() (name string) {
c.panicIfNotTracking()
name, _ = c.GetServerOption("NETWORK")
return name
}
@ -615,33 +597,31 @@ func (c *Client) NetworkName() (name string) {
// supplied this information during connection. May be empty if the server
// does not support RPL_MYINFO. Will panic if used when tracking has been
// disabled.
func (c *Client) ServerVersion() string {
func (c *Client) ServerVersion() (version string) {
c.panicIfNotTracking()
version, _ := c.GetServerOption("VERSION")
version, _ = c.GetServerOption("VERSION")
return version
}
// ServerMOTD returns the servers message of the day, if the server has sent
// it upon connect. Will panic if used when tracking has been disabled.
func (c *Client) ServerMOTD() string {
func (c *Client) ServerMOTD() (motd string) {
c.panicIfNotTracking()
c.state.RLock()
motd := c.state.motd
motd = c.state.motd
c.state.RUnlock()
return motd
}
// Latency is the latency between the server and the client. This is measured
// by determining the difference in time between when we ping the server, and
// when we receive a pong.
func (c *Client) Latency() time.Duration {
func (c *Client) Latency() (delta time.Duration) {
c.mu.RLock()
c.conn.mu.RLock()
delta := c.conn.lastPong.Sub(c.conn.lastPing)
delta = c.conn.lastPong.Sub(c.conn.lastPing)
c.conn.mu.RUnlock()
c.mu.RUnlock()
@ -652,6 +632,30 @@ func (c *Client) Latency() time.Duration {
return delta
}
// HasCapability checks if the client connection has the given capability. If
// you want the full list of capabilities, listen for the girc.CAP_ACK event.
// Will panic if used when tracking has been disabled.
func (c *Client) HasCapability(name string) (has bool) {
c.panicIfNotTracking()
if !c.IsConnected() {
return false
}
name = strings.ToLower(name)
c.state.RLock()
for i := 0; i < len(c.state.enabledCap); i++ {
if strings.ToLower(c.state.enabledCap[i]) == name {
has = true
break
}
}
c.state.RUnlock()
return has
}
// panicIfNotTracking will throw a panic when it's called, and tracking is
// disabled. Adds useful info like what function specifically, and where it
// was called from.

View File

@ -371,6 +371,12 @@ func (c *Client) readLoop(ctx context.Context, errs chan error, wg *sync.WaitGro
return
}
// Check if it's an echo-message.
if !c.Config.disableTracking {
event.Echo = (event.Command == PRIVMSG || event.Command == NOTICE) &&
event.Source != nil && event.Source.Name == c.GetNick()
}
c.rx <- event
}
}
@ -500,7 +506,7 @@ type ErrTimedOut struct {
Delay time.Duration
}
func (ErrTimedOut) Error() string { return "timed out during ping to server" }
func (ErrTimedOut) Error() string { return "timed out waiting for a requested PING response" }
func (c *Client) pingLoop(ctx context.Context, errs chan error, wg *sync.WaitGroup) {
// Don't run the pingLoop if they want to disable it.

View File

@ -1,338 +0,0 @@
// Copyright (c) Liam Stanley <me@liamstanley.io>. All rights reserved. Use
// of this source code is governed by the MIT license that can be found in
// the LICENSE file.
package girc
// Standard CTCP based constants.
const (
CTCP_PING = "PING"
CTCP_PONG = "PONG"
CTCP_VERSION = "VERSION"
CTCP_USERINFO = "USERINFO"
CTCP_CLIENTINFO = "CLIENTINFO"
CTCP_SOURCE = "SOURCE"
CTCP_TIME = "TIME"
CTCP_FINGER = "FINGER"
CTCP_ERRMSG = "ERRMSG"
)
// Emulated event commands used to allow easier hooks into the changing
// state of the client.
const (
UPDATE_STATE = "CLIENT_STATE_UPDATED" // when channel/user state is updated.
UPDATE_GENERAL = "CLIENT_GENERAL_UPDATED" // when general state (client nick, server name, etc) is updated.
ALL_EVENTS = "*" // trigger on all events
CONNECTED = "CLIENT_CONNECTED" // when it's safe to send arbitrary commands (joins, list, who, etc), trailing is host:port
INITIALIZED = "CLIENT_INIT" // verifies successful socket connection, trailing is host:port
DISCONNECTED = "CLIENT_DISCONNECTED" // occurs when we're disconnected from the server (user-requested or not)
STOPPED = "CLIENT_STOPPED" // occurs when Client.Stop() has been called
)
// User/channel prefixes :: RFC1459.
const (
DefaultPrefixes = "(ov)@+" // the most common default prefixes
ModeAddPrefix = "+" // modes are being added
ModeDelPrefix = "-" // modes are being removed
ChannelPrefix = "#" // regular channel
DistributedPrefix = "&" // distributed channel
OwnerPrefix = "~" // user owner +q (non-rfc)
AdminPrefix = "&" // user admin +a (non-rfc)
HalfOperatorPrefix = "%" // user half operator +h (non-rfc)
OperatorPrefix = "@" // user operator +o
VoicePrefix = "+" // user has voice +v
)
// User modes :: RFC1459; section 4.2.3.2.
const (
UserModeInvisible = "i" // invisible
UserModeOperator = "o" // server operator
UserModeServerNotices = "s" // user wants to receive server notices
UserModeWallops = "w" // user wants to receive wallops
)
// Channel modes :: RFC1459; section 4.2.3.1.
const (
ModeDefaults = "beI,k,l,imnpst" // the most common default modes
ModeInviteOnly = "i" // only join with an invite
ModeKey = "k" // channel password
ModeLimit = "l" // user limit
ModeModerated = "m" // only voiced users and operators can talk
ModeOperator = "o" // operator
ModePrivate = "p" // private
ModeSecret = "s" // secret
ModeTopic = "t" // must be op to set topic
ModeVoice = "v" // speak during moderation mode
ModeOwner = "q" // owner privileges (non-rfc)
ModeAdmin = "a" // admin privileges (non-rfc)
ModeHalfOperator = "h" // half-operator privileges (non-rfc)
)
// IRC commands :: RFC2812; section 3 :: RFC2813; section 4.
const (
ADMIN = "ADMIN"
AWAY = "AWAY"
CONNECT = "CONNECT"
DIE = "DIE"
ERROR = "ERROR"
INFO = "INFO"
INVITE = "INVITE"
ISON = "ISON"
JOIN = "JOIN"
KICK = "KICK"
KILL = "KILL"
LINKS = "LINKS"
LIST = "LIST"
LUSERS = "LUSERS"
MODE = "MODE"
MOTD = "MOTD"
NAMES = "NAMES"
NICK = "NICK"
NJOIN = "NJOIN"
NOTICE = "NOTICE"
OPER = "OPER"
PART = "PART"
PASS = "PASS"
PING = "PING"
PONG = "PONG"
PRIVMSG = "PRIVMSG"
QUIT = "QUIT"
REHASH = "REHASH"
RESTART = "RESTART"
SERVER = "SERVER"
SERVICE = "SERVICE"
SERVLIST = "SERVLIST"
SQUERY = "SQUERY"
SQUIT = "SQUIT"
STATS = "STATS"
SUMMON = "SUMMON"
TIME = "TIME"
TOPIC = "TOPIC"
TRACE = "TRACE"
USER = "USER"
USERHOST = "USERHOST"
USERS = "USERS"
VERSION = "VERSION"
WALLOPS = "WALLOPS"
WHO = "WHO"
WHOIS = "WHOIS"
WHOWAS = "WHOWAS"
)
// Numeric IRC reply mapping :: RFC2812; section 5.
const (
RPL_WELCOME = "001"
RPL_YOURHOST = "002"
RPL_CREATED = "003"
RPL_MYINFO = "004"
RPL_BOUNCE = "005"
RPL_ISUPPORT = "005"
RPL_USERHOST = "302"
RPL_ISON = "303"
RPL_AWAY = "301"
RPL_UNAWAY = "305"
RPL_NOWAWAY = "306"
RPL_WHOISUSER = "311"
RPL_WHOISSERVER = "312"
RPL_WHOISOPERATOR = "313"
RPL_WHOISIDLE = "317"
RPL_ENDOFWHOIS = "318"
RPL_WHOISCHANNELS = "319"
RPL_WHOWASUSER = "314"
RPL_ENDOFWHOWAS = "369"
RPL_LISTSTART = "321"
RPL_LIST = "322"
RPL_LISTEND = "323"
RPL_UNIQOPIS = "325"
RPL_CHANNELMODEIS = "324"
RPL_NOTOPIC = "331"
RPL_TOPIC = "332"
RPL_INVITING = "341"
RPL_SUMMONING = "342"
RPL_INVITELIST = "346"
RPL_ENDOFINVITELIST = "347"
RPL_EXCEPTLIST = "348"
RPL_ENDOFEXCEPTLIST = "349"
RPL_VERSION = "351"
RPL_WHOREPLY = "352"
RPL_ENDOFWHO = "315"
RPL_NAMREPLY = "353"
RPL_ENDOFNAMES = "366"
RPL_LINKS = "364"
RPL_ENDOFLINKS = "365"
RPL_BANLIST = "367"
RPL_ENDOFBANLIST = "368"
RPL_INFO = "371"
RPL_ENDOFINFO = "374"
RPL_MOTDSTART = "375"
RPL_MOTD = "372"
RPL_ENDOFMOTD = "376"
RPL_YOUREOPER = "381"
RPL_REHASHING = "382"
RPL_YOURESERVICE = "383"
RPL_TIME = "391"
RPL_USERSSTART = "392"
RPL_USERS = "393"
RPL_ENDOFUSERS = "394"
RPL_NOUSERS = "395"
RPL_TRACELINK = "200"
RPL_TRACECONNECTING = "201"
RPL_TRACEHANDSHAKE = "202"
RPL_TRACEUNKNOWN = "203"
RPL_TRACEOPERATOR = "204"
RPL_TRACEUSER = "205"
RPL_TRACESERVER = "206"
RPL_TRACESERVICE = "207"
RPL_TRACENEWTYPE = "208"
RPL_TRACECLASS = "209"
RPL_TRACERECONNECT = "210"
RPL_TRACELOG = "261"
RPL_TRACEEND = "262"
RPL_STATSLINKINFO = "211"
RPL_STATSCOMMANDS = "212"
RPL_ENDOFSTATS = "219"
RPL_STATSUPTIME = "242"
RPL_STATSOLINE = "243"
RPL_UMODEIS = "221"
RPL_SERVLIST = "234"
RPL_SERVLISTEND = "235"
RPL_LUSERCLIENT = "251"
RPL_LUSEROP = "252"
RPL_LUSERUNKNOWN = "253"
RPL_LUSERCHANNELS = "254"
RPL_LUSERME = "255"
RPL_ADMINME = "256"
RPL_ADMINLOC1 = "257"
RPL_ADMINLOC2 = "258"
RPL_ADMINEMAIL = "259"
RPL_TRYAGAIN = "263"
ERR_NOSUCHNICK = "401"
ERR_NOSUCHSERVER = "402"
ERR_NOSUCHCHANNEL = "403"
ERR_CANNOTSENDTOCHAN = "404"
ERR_TOOMANYCHANNELS = "405"
ERR_WASNOSUCHNICK = "406"
ERR_TOOMANYTARGETS = "407"
ERR_NOSUCHSERVICE = "408"
ERR_NOORIGIN = "409"
ERR_NORECIPIENT = "411"
ERR_NOTEXTTOSEND = "412"
ERR_NOTOPLEVEL = "413"
ERR_WILDTOPLEVEL = "414"
ERR_BADMASK = "415"
ERR_UNKNOWNCOMMAND = "421"
ERR_NOMOTD = "422"
ERR_NOADMININFO = "423"
ERR_FILEERROR = "424"
ERR_NONICKNAMEGIVEN = "431"
ERR_ERRONEUSNICKNAME = "432"
ERR_NICKNAMEINUSE = "433"
ERR_NICKCOLLISION = "436"
ERR_UNAVAILRESOURCE = "437"
ERR_USERNOTINCHANNEL = "441"
ERR_NOTONCHANNEL = "442"
ERR_USERONCHANNEL = "443"
ERR_NOLOGIN = "444"
ERR_SUMMONDISABLED = "445"
ERR_USERSDISABLED = "446"
ERR_NOTREGISTERED = "451"
ERR_NEEDMOREPARAMS = "461"
ERR_ALREADYREGISTRED = "462"
ERR_NOPERMFORHOST = "463"
ERR_PASSWDMISMATCH = "464"
ERR_YOUREBANNEDCREEP = "465"
ERR_YOUWILLBEBANNED = "466"
ERR_KEYSET = "467"
ERR_CHANNELISFULL = "471"
ERR_UNKNOWNMODE = "472"
ERR_INVITEONLYCHAN = "473"
ERR_BANNEDFROMCHAN = "474"
ERR_BADCHANNELKEY = "475"
ERR_BADCHANMASK = "476"
ERR_NOCHANMODES = "477"
ERR_BANLISTFULL = "478"
ERR_NOPRIVILEGES = "481"
ERR_CHANOPRIVSNEEDED = "482"
ERR_CANTKILLSERVER = "483"
ERR_RESTRICTED = "484"
ERR_UNIQOPPRIVSNEEDED = "485"
ERR_NOOPERHOST = "491"
ERR_UMODEUNKNOWNFLAG = "501"
ERR_USERSDONTMATCH = "502"
)
// IRCv3 commands and extensions :: http://ircv3.net/irc/.
const (
AUTHENTICATE = "AUTHENTICATE"
STARTTLS = "STARTTLS"
CAP = "CAP"
CAP_ACK = "ACK"
CAP_CLEAR = "CLEAR"
CAP_END = "END"
CAP_LIST = "LIST"
CAP_LS = "LS"
CAP_NAK = "NAK"
CAP_REQ = "REQ"
CAP_NEW = "NEW"
CAP_DEL = "DEL"
CAP_CHGHOST = "CHGHOST"
CAP_AWAY = "AWAY"
CAP_ACCOUNT = "ACCOUNT"
)
// Numeric IRC reply mapping for ircv3 :: http://ircv3.net/irc/.
const (
RPL_LOGGEDIN = "900"
RPL_LOGGEDOUT = "901"
RPL_NICKLOCKED = "902"
RPL_SASLSUCCESS = "903"
ERR_SASLFAIL = "904"
ERR_SASLTOOLONG = "905"
ERR_SASLABORTED = "906"
ERR_SASLALREADY = "907"
RPL_SASLMECHS = "908"
RPL_STARTTLS = "670"
ERR_STARTTLS = "691"
)
// Numeric IRC event mapping :: RFC2812; section 5.3.
const (
RPL_STATSCLINE = "213"
RPL_STATSNLINE = "214"
RPL_STATSILINE = "215"
RPL_STATSKLINE = "216"
RPL_STATSQLINE = "217"
RPL_STATSYLINE = "218"
RPL_SERVICEINFO = "231"
RPL_ENDOFSERVICES = "232"
RPL_SERVICE = "233"
RPL_STATSVLINE = "240"
RPL_STATSLLINE = "241"
RPL_STATSHLINE = "244"
RPL_STATSSLINE = "245"
RPL_STATSPING = "246"
RPL_STATSBLINE = "247"
RPL_STATSDLINE = "250"
RPL_NONE = "300"
RPL_WHOISCHANOP = "316"
RPL_KILLDONE = "361"
RPL_CLOSING = "362"
RPL_CLOSEEND = "363"
RPL_INFOSTART = "373"
RPL_MYPORTIS = "384"
ERR_NOSERVICEHOST = "492"
)
// Misc.
const (
ERR_TOOMANYMATCHES = "416" // IRCNet.
RPL_GLOBALUSERS = "266" // aircd/hybrid/bahamut, used on freenode.
RPL_LOCALUSERS = "265" // aircd/hybrid/bahamut, used on freenode.
RPL_TOPICWHOTIME = "333" // ircu, used on freenode.
RPL_WHOSPCRPL = "354" // ircu, used on networks with WHOX support.
)

View File

@ -8,6 +8,7 @@ import (
"bytes"
"fmt"
"strings"
"time"
)
const (
@ -33,18 +34,35 @@ func cutCRFunc(r rune) bool {
// CR or LF>
// <crlf> :: CR LF
type Event struct {
Source *Source `json:"source"` // The source of the event.
Tags Tags `json:"tags"` // IRCv3 style message tags. Only use if network supported.
Command string `json:"command"` // the IRC command, e.g. JOIN, PRIVMSG, KILL.
Params []string `json:"params"` // parameters to the command. Commonly nickname, channel, etc.
Trailing string `json:"trailing"` // any trailing data. e.g. with a PRIVMSG, this is the message text.
EmptyTrailing bool `json:"empty_trailing"` // if true, trailing prefix (:) will be added even if Event.Trailing is empty.
Sensitive bool `json:"sensitive"` // if the message is sensitive (e.g. and should not be logged).
// Source is the origin of the event.
Source *Source `json:"source"`
// Tags are the IRCv3 style message tags for the given event. Only use
// if network supported.
Tags Tags `json:"tags"`
// Timestamp is the time the event was received. This could optionally be
// used for client-stored sent messages too. If the server supports the
// "server-time" capability, this is synced to the UTC time that the server
// specifies.
Timestamp time.Time `json:"timestamp"`
// Command that represents the event, e.g. JOIN, PRIVMSG, KILL.
Command string `json:"command"`
// Params (parameters/args) to the command. Commonly nickname, channel, etc.
Params []string `json:"params"`
// Trailing text. e.g. with a PRIVMSG, this is the message text (part
// after the colon.)
Trailing string `json:"trailing"`
// EmptyTrailign, if true, the text prefix (:) will be added even if
// Event.Trailing is empty.
EmptyTrailing bool `json:"empty_trailing"`
// Sensitive should be true if the message is sensitive (e.g. and should
// not be logged/shown in debugging output).
Sensitive bool `json:"sensitive"`
// If the event is an echo-message response.
Echo bool `json:"echo"`
}
// ParseEvent takes a string and attempts to create a Event struct.
//
// Returns nil if the Event is invalid.
// ParseEvent takes a string and attempts to create a Event struct. Returns
// nil if the Event is invalid.
func ParseEvent(raw string) (e *Event) {
// Ignore empty events.
if raw = strings.TrimFunc(raw, cutCRFunc); len(raw) < 2 {
@ -52,7 +70,7 @@ func ParseEvent(raw string) (e *Event) {
}
var i, j int
e = &Event{}
e = &Event{Timestamp: time.Now()}
if raw[0] == prefixTag {
// Tags end with a space.
@ -63,6 +81,13 @@ func ParseEvent(raw string) (e *Event) {
}
e.Tags = ParseTags(raw[1:i])
if rawServerTime, ok := e.Tags.Get("time"); ok {
// Attempt to parse server-time. If we can't parse it, we just
// fall back to the time we received the message (locally.)
if stime, err := time.Parse(capServerTimeFormat, rawServerTime); err == nil {
e.Timestamp = stime.Local()
}
}
raw = raw[i+1:]
}
@ -151,10 +176,12 @@ func (e *Event) Copy() *Event {
}
newEvent := &Event{
Timestamp: e.Timestamp,
Command: e.Command,
Trailing: e.Trailing,
EmptyTrailing: e.EmptyTrailing,
Sensitive: e.Sensitive,
Echo: e.Echo,
}
// Copy Source field, as it's a pointer and needs to be dereferenced.
@ -179,6 +206,25 @@ func (e *Event) Copy() *Event {
return newEvent
}
// Equals compares two Events for equality.
func (e *Event) Equals(ev *Event) bool {
if e.Command != ev.Command || e.Trailing != ev.Trailing || len(e.Params) != len(ev.Params) {
return false
}
for i := 0; i < len(e.Params); i++ {
if e.Params[i] != ev.Params[i] {
return false
}
}
if !e.Source.Equals(ev.Source) || !e.Tags.Equals(ev.Tags) {
return false
}
return true
}
// Len calculates the length of the string representation of event. Note that
// this will return the true length (even if longer than what IRC supports),
// which may be useful if you are trying to check and see if a message is
@ -276,7 +322,7 @@ func (e *Event) String() string {
// an event prettier, but also to filter out events that most don't visually
// see in normal IRC clients. e.g. most clients don't show WHO queries.
func (e *Event) Pretty() (out string, ok bool) {
if e.Sensitive {
if e.Sensitive || e.Echo {
return "", false
}
@ -377,6 +423,10 @@ func (e *Event) Pretty() (out string, ok bool) {
return fmt.Sprintf("[*] topic for %s is: %s", e.Params[len(e.Params)-1], e.Trailing), true
}
if e.Command == CAP && len(e.Params) == 2 && len(e.Trailing) > 1 && e.Params[1] == CAP_ACK {
return "[*] enabling capabilities: " + e.Trailing, true
}
return "", false
}
@ -449,6 +499,20 @@ type Source struct {
Host string `json:"host"`
}
// Equals compares two Sources for equality.
func (s *Source) Equals(ss *Source) bool {
if s == nil && ss == nil {
return true
}
if s != nil && ss == nil || s == nil && ss != nil {
return false
}
if s.Name != ss.Name || s.Ident != ss.Ident || s.Host != ss.Host {
return false
}
return true
}
// Copy returns a deep copy of Source.
func (s *Source) Copy() *Source {
if s == nil {

View File

@ -136,7 +136,7 @@ func TrimFmt(text string) string {
return text
}
// This is really the only fastest way of doing this (marginably better than
// This is really the only fastest way of doing this (marginally better than
// actually trying to parse it manually.)
var reStripColor = regexp.MustCompile(`\x03([019]?[0-9](,[019]?[0-9])?)?`)
@ -154,7 +154,7 @@ func StripRaw(text string) string {
return text
}
// IsValidChannel validates if channel is an RFC complaint channel or not.
// IsValidChannel validates if channel is an RFC compliant channel or not.
//
// NOTE: If you are using this to validate a channel that contains a channel
// ID, (!<channelid>NAME), this only supports the standard 5 character length.
@ -271,7 +271,7 @@ func IsValidUser(name string) bool {
}
// Check to see if the first index is alphanumeric.
if (name[0] < 'A' || name[0] > 'J') && (name[0] < 'a' || name[0] > 'z') && (name[0] < '0' || name[0] > '9') {
if (name[0] < 'A' || name[0] > 'Z') && (name[0] < 'a' || name[0] > 'z') && (name[0] < '0' || name[0] > '9') {
return false
}

View File

@ -22,19 +22,28 @@ func (c *Client) RunHandlers(event *Event) {
}
// Log the event.
c.debug.Print("< " + StripRaw(event.String()))
prefix := "< "
if event.Echo {
prefix += "[echo-message] "
}
c.debug.Print(prefix + StripRaw(event.String()))
if c.Config.Out != nil {
if pretty, ok := event.Pretty(); ok {
fmt.Fprintln(c.Config.Out, StripRaw(pretty))
}
}
// Background handlers first.
// Background handlers first. If the event is an echo-message, then only
// send the echo version to ALL_EVENTS.
c.Handlers.exec(ALL_EVENTS, true, c, event.Copy())
if !event.Echo {
c.Handlers.exec(event.Command, true, c, event.Copy())
}
c.Handlers.exec(ALL_EVENTS, false, c, event.Copy())
if !event.Echo {
c.Handlers.exec(event.Command, false, c, event.Copy())
}
// Check if it's a CTCP.
if ctcp := decodeCTCP(event.Copy()); ctcp != nil {

View File

@ -132,6 +132,10 @@ func (u User) Channels(c *Client) []*Channel {
// Copy returns a deep copy of the user which can be modified without making
// changes to the actual state.
func (u *User) Copy() *User {
if u == nil {
return nil
}
nu := &User{}
*nu = *u
@ -148,7 +152,7 @@ func (u *User) addChannel(name string) {
}
u.ChannelList = append(u.ChannelList, ToRFC1459(name))
sort.StringsAreSorted(u.ChannelList)
sort.Strings(u.ChannelList)
u.Perms.set(name, Perms{})
}
@ -321,6 +325,10 @@ func (ch *Channel) deleteUser(nick string) {
// Copy returns a deep copy of a given channel.
func (ch *Channel) Copy() *Channel {
if ch == nil {
return nil
}
nc := &Channel{}
*nc = *ch
@ -483,6 +491,9 @@ func (s *state) renameUser(from, to string) {
for j := 0; j < len(s.channels[user.ChannelList[i]].UserList); j++ {
if s.channels[user.ChannelList[i]].UserList[j] == from {
s.channels[user.ChannelList[i]].UserList[j] = ToRFC1459(to)
sort.Strings(s.channels[user.ChannelList[i]].UserList)
break
}
}
}

2
vendor/manifest vendored
View File

@ -369,7 +369,7 @@
"importpath": "github.com/lrstanley/girc",
"repository": "https://github.com/lrstanley/girc",
"vcs": "git",
"revision": "5dff93b5453c1b2ac8382c9a38881635f47bba0e",
"revision": "102f17f86306c2152a8c6188f9bb8b0e7288de31",
"branch": "master",
"notests": true
},