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Code Issues Projects Releases Wiki Activity

Move all errors into errors.go

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This commit is contained in:
Daniel Oaks 2018-02-03 22:03:36 +10:00
parent 3ef4c5f799
commit 2419f69879
17 changed files with 100 additions and 100 deletions
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6
irc/accountreg.go
View File

@ -4,17 +4,11 @@
package irc
import (
"errors"
"fmt"
"github.com/tidwall/buntdb"
)
var (
errAccountCreation = errors.New("Account could not be created")
errCertfpAlreadyExists = errors.New("An account already exists with your certificate")
)
// AccountRegistration manages the registration of accounts.
type AccountRegistration struct {
Enabled bool

4
irc/accounts.go
View File

@ -5,7 +5,6 @@ package irc
import (
"encoding/json"
"errors"
"fmt"
"strconv"
"time"
@ -37,9 +36,6 @@ var (
NoAccount = ClientAccount{
Name: "*", // * is used until actual account name is set
}
// generic sasl fail error
errSaslFail = errors.New("SASL failed")
)
// ClientAccount represents a user account.

7
irc/channel.go
View File

@ -6,7 +6,6 @@
package irc
import (
"errors"
"fmt"
"strconv"
"time"
@ -18,10 +17,6 @@ import (
"github.com/oragono/oragono/irc/modes"
)
var (
ChannelAlreadyRegistered = errors.New("Channel is already registered")
)
// Channel represents a channel that clients can join.
type Channel struct {
flags modes.ModeSet
@ -132,7 +127,7 @@ func (channel *Channel) SetRegistered(founder string) error {
defer channel.stateMutex.Unlock()
if channel.registeredFounder != "" {
return ChannelAlreadyRegistered
return errChannelAlreadyRegistered
}
channel.registeredFounder = founder
channel.registeredTime = time.Now()

21
irc/channelmanager.go
View File

@ -4,16 +4,9 @@
package irc
import (
"errors"
"sync"
)
var (
InvalidChannelName = errors.New("Invalid channel name")
NoSuchChannel = errors.New("No such channel")
ChannelNameInUse = errors.New("Channel name in use")
)
type channelManagerEntry struct {
channel *Channel
// this is a refcount for joins, so we can avoid a race where we incorrectly
@ -56,7 +49,7 @@ func (cm *ChannelManager) Join(client *Client, name string, key string) error {
server := client.server
casefoldedName, err := CasefoldChannel(name)
if err != nil || len(casefoldedName) > server.Limits().ChannelLen {
return NoSuchChannel
return errNoSuchChannel
}
cm.Lock()
@ -117,7 +110,7 @@ func (cm *ChannelManager) maybeCleanup(entry *channelManagerEntry, afterJoin boo
func (cm *ChannelManager) Part(client *Client, name string, message string) error {
casefoldedName, err := CasefoldChannel(name)
if err != nil {
return NoSuchChannel
return errNoSuchChannel
}
cm.RLock()
@ -125,7 +118,7 @@ func (cm *ChannelManager) Part(client *Client, name string, message string) erro
cm.RUnlock()
if entry == nil {
return NoSuchChannel
return errNoSuchChannel
}
entry.channel.Part(client, message)
cm.maybeCleanup(entry, false)
@ -136,23 +129,23 @@ func (cm *ChannelManager) Part(client *Client, name string, message string) erro
func (cm *ChannelManager) Rename(name string, newname string) error {
cfname, err := CasefoldChannel(name)
if err != nil {
return NoSuchChannel
return errNoSuchChannel
}
cfnewname, err := CasefoldChannel(newname)
if err != nil {
return InvalidChannelName
return errInvalidChannelName
}
cm.Lock()
defer cm.Unlock()
if cm.chans[cfnewname] != nil {
return ChannelNameInUse
return errChannelNameInUse
}
entry := cm.chans[cfname]
if entry == nil {
return NoSuchChannel
return errNoSuchChannel
}
delete(cm.chans, cfname)
cm.chans[cfnewname] = entry

7
irc/client.go
View File

@ -6,7 +6,6 @@
package irc
import (
"errors"
"fmt"
"log"
"net"
@ -32,9 +31,7 @@ const (
)
var (
// ErrNickAlreadySet is a weird error that's sent when the server's consistency has been compromised.
ErrNickAlreadySet = errors.New("Nickname is already set")
LoopbackIP = net.ParseIP("127.0.0.1")
LoopbackIP = net.ParseIP("127.0.0.1")
)
// Client is an IRC client.
@ -397,7 +394,7 @@ func (client *Client) TryResume() {
var params []string
if 0 < len(oldModes) {
params = []string{channel.name, "+" + oldModes}
for _ = range oldModes {
for range oldModes {
params = append(params, client.nick)
}
}

10
irc/client_lookup_set.go
View File

@ -5,7 +5,6 @@
package irc
import (
"errors"
"fmt"
"log"
"regexp"
@ -17,11 +16,6 @@ import (
"sync"
)
var (
ErrNickMissing = errors.New("nick missing")
ErrNicknameInUse = errors.New("nickname in use")
)
// ExpandUserHost takes a userhost, and returns an expanded version.
func ExpandUserHost(userhost string) (expanded string) {
expanded = userhost
@ -91,7 +85,7 @@ func (clients *ClientManager) Remove(client *Client) error {
defer clients.Unlock()
if !client.HasNick() {
return ErrNickMissing
return errNickMissing
}
clients.removeInternal(client)
return nil
@ -111,7 +105,7 @@ func (clients *ClientManager) SetNick(client *Client, newNick string) error {
currentNewEntry := clients.byNick[newcfnick]
// the client may just be changing case
if currentNewEntry != nil && currentNewEntry != client {
return ErrNicknameInUse
return errNicknameInUse
}
clients.byNick[newcfnick] = client
client.updateNickMask(newNick)

25
irc/config.go
View File

@ -8,7 +8,6 @@ package irc
import (
"crypto/tls"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"log"
@ -41,7 +40,7 @@ type TLSListenConfig struct {
func (conf *TLSListenConfig) Config() (*tls.Config, error) {
cert, err := tls.LoadX509KeyPair(conf.Cert, conf.Key)
if err != nil {
return nil, errors.New("tls cert+key: invalid pair")
return nil, ErrInvalidCertKeyPair
}
return &tls.Config{
@ -232,7 +231,7 @@ func (conf *Config) OperatorClasses() (*map[string]OperClass, error) {
lenOfLastOcs := -1
for {
if lenOfLastOcs == len(ocs) {
return nil, errors.New("OperClasses contains a looping dependency, or a class extends from a class that doesn't exist")
return nil, ErrOperClassDependencies
}
lenOfLastOcs = len(ocs)
@ -369,22 +368,22 @@ func LoadConfig(filename string) (config *Config, err error) {
}
if config.Network.Name == "" {
return nil, errors.New("Network name missing")
return nil, ErrNetworkNameMissing
}
if config.Server.Name == "" {
return nil, errors.New("Server name missing")
return nil, ErrServerNameMissing
}
if !utils.IsHostname(config.Server.Name) {
return nil, errors.New("Server name must match the format of a hostname")
return nil, ErrServerNameNotHostname
}
if config.Datastore.Path == "" {
return nil, errors.New("Datastore path missing")
return nil, ErrDatastorePathMissing
}
if len(config.Server.Listen) == 0 {
return nil, errors.New("Server listening addresses missing")
return nil, ErrNoListenersDefined
}
if config.Limits.NickLen < 1 || config.Limits.ChannelLen < 2 || config.Limits.AwayLen < 1 || config.Limits.KickLen < 1 || config.Limits.TopicLen < 1 {
return nil, errors.New("Limits aren't setup properly, check them and make them sane")
return nil, ErrLimitsAreInsane
}
if config.Server.STS.Enabled {
config.Server.STS.Duration, err = custime.ParseDuration(config.Server.STS.DurationString)
@ -422,7 +421,7 @@ func LoadConfig(filename string) (config *Config, err error) {
config.Server.WebIRC = newWebIRC
// process limits
if config.Limits.LineLen.Tags < 512 || config.Limits.LineLen.Rest < 512 {
return nil, errors.New("Line lengths must be 512 or greater (check the linelen section under server->limits)")
return nil, ErrLineLengthsTooSmall
}
var newLogConfigs []logger.LoggingConfig
for _, logConfig := range config.Logging {
@ -434,7 +433,7 @@ func LoadConfig(filename string) (config *Config, err error) {
}
}
if methods["file"] && logConfig.Filename == "" {
return nil, errors.New("Logging configuration specifies 'file' method but 'filename' is empty")
return nil, ErrLoggerFilenameMissing
}
logConfig.MethodFile = methods["file"]
logConfig.MethodStdout = methods["stdout"]
@ -453,7 +452,7 @@ func LoadConfig(filename string) (config *Config, err error) {
continue
}
if typeStr == "-" {
return nil, errors.New("Encountered logging type '-' with no type to exclude")
return nil, ErrLoggerExcludeEmpty
}
if typeStr[0] == '-' {
typeStr = typeStr[1:]
@ -463,7 +462,7 @@ func LoadConfig(filename string) (config *Config, err error) {
}
}
if len(logConfig.Types) < 1 {
return nil, errors.New("Logger has no types to log")
return nil, ErrLoggerHasNoTypes
}
newLogConfigs = append(newLogConfigs, logConfig)

5
irc/dline.go
View File

@ -4,7 +4,6 @@
package irc
import (
"errors"
"fmt"
"net"
"sync"
@ -19,10 +18,6 @@ const (
keyDlineEntry = "bans.dline %s"
)
var (
errNoExistingBan = errors.New("Ban does not exist")
)
// IPRestrictTime contains the expiration info about the given IP.
type IPRestrictTime struct {
// Duration is how long this block lasts for.

54
irc/errors.go Normal file
View File

@ -0,0 +1,54 @@
// Copyright (c) 2012-2014 Jeremy Latt
// Copyright (c) 2014-2015 Edmund Huber
// Copyright (c) 2016-2017 Daniel Oaks <daniel@danieloaks.net>
// released under the MIT license
package irc
import "errors"
// Runtime Errors
var (
errAccountCreation = errors.New("Account could not be created")
errCertfpAlreadyExists = errors.New("An account already exists with your certificate")
errChannelAlreadyRegistered = errors.New("Channel is already registered")
errChannelNameInUse = errors.New("Channel name in use")
errInvalidChannelName = errors.New("Invalid channel name")
errMonitorLimitExceeded = errors.New("Monitor limit exceeded")
errNickMissing = errors.New("nick missing")
errNicknameInUse = errors.New("nickname in use")
errNoExistingBan = errors.New("Ban does not exist")
errNoSuchChannel = errors.New("No such channel")
errRenamePrivsNeeded = errors.New("Only chanops can rename channels")
errSaslFail = errors.New("SASL failed")
)
// Socket Errors
var (
errNoPeerCerts = errors.New("Client did not provide a certificate")
errNotTLS = errors.New("Not a TLS connection")
)
// String Errors
var (
errCouldNotStabilize = errors.New("Could not stabilize string while casefolding")
errStringIsEmpty = errors.New("String is empty")
errInvalidCharacter = errors.New("Invalid character")
)
// Config Errors
var (
ErrDatastorePathMissing = errors.New("Datastore path missing")
ErrInvalidCertKeyPair = errors.New("tls cert+key: invalid pair")
ErrLimitsAreInsane = errors.New("Limits aren't setup properly, check them and make them sane")
ErrLineLengthsTooSmall = errors.New("Line lengths must be 512 or greater (check the linelen section under server->limits)")
ErrLoggerExcludeEmpty = errors.New("Encountered logging type '-' with no type to exclude")
ErrLoggerFilenameMissing = errors.New("Logging configuration specifies 'file' method but 'filename' is empty")
ErrLoggerHasNoTypes = errors.New("Logger has no types to log")
ErrNetworkNameMissing = errors.New("Network name missing")
ErrNoFingerprintOrPassword = errors.New("Fingerprint or password needs to be specified")
ErrNoListenersDefined = errors.New("Server listening addresses missing")
ErrOperClassDependencies = errors.New("OperClasses contains a looping dependency, or a class extends from a class that doesn't exist")
ErrServerNameMissing = errors.New("Server name missing")
ErrServerNameNotHostname = errors.New("Server name must match the format of a hostname")
)

3
irc/gateways.go
View File

@ -6,7 +6,6 @@
package irc
import (
"errors"
"fmt"
"net"
@ -25,7 +24,7 @@ type webircConfig struct {
// Populate fills out our password or fingerprint.
func (wc *webircConfig) Populate() (err error) {
if wc.Fingerprint == "" && wc.PasswordString == "" {
return errors.New("Fingerprint or password needs to be specified")
return ErrNoFingerprintOrPassword
}
if wc.PasswordString != "" {

22
irc/handlers.go
View File

@ -976,7 +976,7 @@ func joinHandler(server *Server, client *Client, msg ircmsg.IrcMessage) bool {
key = keys[i]
}
err := server.channels.Join(client, name, key)
if err == NoSuchChannel {
if err == errNoSuchChannel {
client.Send(nil, server.name, ERR_NOSUCHCHANNEL, client.Nick(), name, client.t("No such channel"))
}
}
@ -1571,7 +1571,7 @@ func monitorAddHandler(server *Server, client *Client, msg ircmsg.IrcMessage) bo
}
err = server.monitorManager.Add(client, casefoldedTarget, limit)
if err == ErrMonitorLimitExceeded {
if err == errMonitorLimitExceeded {
client.Send(nil, server.name, ERR_MONLISTFULL, client.Nick(), strconv.Itoa(server.limits.MonitorEntries), strings.Join(targets, ","))
break
} else if err != nil {
@ -1855,7 +1855,7 @@ func partHandler(server *Server, client *Client, msg ircmsg.IrcMessage) bool {
for _, chname := range channels {
err := server.channels.Part(client, chname, reason)
if err == NoSuchChannel {
if err == errNoSuchChannel {
client.Send(nil, server.name, ERR_NOSUCHCHANNEL, client.nick, chname, client.t("No such channel"))
}
}
@ -2023,13 +2023,13 @@ func renameHandler(server *Server, client *Client, msg ircmsg.IrcMessage) (resul
// TODO: send correct error codes, e.g., ERR_CANNOTRENAME, ERR_CHANNAMEINUSE
var code string
switch err {
case NoSuchChannel:
case errNoSuchChannel:
code = ERR_NOSUCHCHANNEL
case RenamePrivsNeeded:
case errRenamePrivsNeeded:
code = ERR_CHANOPRIVSNEEDED
case InvalidChannelName:
case errInvalidChannelName:
code = ERR_UNKNOWNERROR
case ChannelNameInUse:
case errChannelNameInUse:
code = ERR_UNKNOWNERROR
default:
code = ERR_UNKNOWNERROR
@ -2040,12 +2040,12 @@ func renameHandler(server *Server, client *Client, msg ircmsg.IrcMessage) (resul
oldName := strings.TrimSpace(msg.Params[0])
newName := strings.TrimSpace(msg.Params[1])
if oldName == "" || newName == "" {
errorResponse(InvalidChannelName, "<empty>")
errorResponse(errInvalidChannelName, "<empty>")
return
}
casefoldedOldName, err := CasefoldChannel(oldName)
if err != nil {
errorResponse(InvalidChannelName, oldName)
errorResponse(errInvalidChannelName, oldName)
return
}
@ -2056,12 +2056,12 @@ func renameHandler(server *Server, client *Client, msg ircmsg.IrcMessage) (resul
channel := server.channels.Get(oldName)
if channel == nil {
errorResponse(NoSuchChannel, oldName)
errorResponse(errNoSuchChannel, oldName)
return
}
//TODO(dan): allow IRCops to do this?
if !channel.ClientIsAtLeast(client, modes.Operator) {
errorResponse(RenamePrivsNeeded, oldName)
errorResponse(errRenamePrivsNeeded, oldName)
return
}

6
irc/monitor.go
View File

@ -4,7 +4,6 @@
package irc
import (
"errors"
"sync"
"github.com/goshuirc/irc-go/ircmsg"
@ -29,9 +28,6 @@ func NewMonitorManager() *MonitorManager {
return &mm
}
// ErrMonitorLimitExceeded is used when the monitor list exceeds our limit.
var ErrMonitorLimitExceeded = errors.New("Monitor limit exceeded")
// AlertAbout alerts everyone monitoring `client`'s nick that `client` is now {on,off}line.
func (manager *MonitorManager) AlertAbout(client *Client, online bool) {
cfnick := client.NickCasefolded()
@ -67,7 +63,7 @@ func (manager *MonitorManager) Add(client *Client, nick string, limit int) error
}
if len(manager.watching[client]) >= limit {
return ErrMonitorLimitExceeded
return errMonitorLimitExceeded
}
manager.watching[client][nick] = true

2
irc/nickname.go
View File

@ -42,7 +42,7 @@ func performNickChange(server *Server, client *Client, target *Client, newnick s
origNick := target.Nick()
origNickMask := target.NickMaskString()
err = client.server.clients.SetNick(target, nickname)
if err == ErrNicknameInUse {
if err == errNicknameInUse {
client.Send(nil, server.name, ERR_NICKNAMEINUSE, client.nick, nickname, client.t("Nickname is already in use"))
return false
} else if err != nil {

1
irc/numerics.go
View File

@ -195,5 +195,6 @@ const (
ERR_NOLANGUAGE = "982"
// draft numerics
ERR_CANNOT_RESUME = "999"
)

13
irc/server.go
View File

@ -9,7 +9,6 @@ import (
"bufio"
"crypto/tls"
"encoding/base64"
"errors"
"fmt"
"log"
"math/rand"
@ -43,8 +42,6 @@ var (
// common error responses
couldNotParseIPMsg, _ = (&[]ircmsg.IrcMessage{ircmsg.MakeMessage(nil, "", "ERROR", "Unable to parse your IP address")}[0]).Line()
RenamePrivsNeeded = errors.New("Only chanops can rename channels")
// supportedUserModesString acts as a cache for when we introduce users
supportedUserModesString = modes.SupportedUserModes.String()
// supportedChannelModesString acts as a cache for when we introduce users
@ -349,10 +346,10 @@ func (server *Server) createListener(addr string, tlsConfig *tls.Config) *Listen
// make listener
var listener net.Listener
var err error
optional_unix_prefix := "unix:"
optional_prefix_len := len(optional_unix_prefix)
if len(addr) >= optional_prefix_len && strings.ToLower(addr[0:optional_prefix_len]) == optional_unix_prefix {
addr = addr[optional_prefix_len:]
optionalUnixPrefix := "unix:"
optionalPrefixLen := len(optionalUnixPrefix)
if len(addr) >= optionalPrefixLen && strings.ToLower(addr[0:optionalPrefixLen]) == optionalUnixPrefix {
addr = addr[optionalPrefixLen:]
if len(addr) == 0 || addr[0] != '/' {
log.Fatal("Bad unix socket address", addr)
}
@ -492,7 +489,7 @@ func (server *Server) tryRegister(c *Client) {
oldModes := myModes.String()
if 0 < len(oldModes) {
params := []string{channel.name, "+" + oldModes}
for _ = range oldModes {
for range oldModes {
params = append(params, c.nick)
}

3
irc/socket.go
View File

@ -9,7 +9,6 @@ import (
"crypto/sha256"
"crypto/tls"
"encoding/hex"
"errors"
"io"
"net"
"strings"
@ -18,8 +17,6 @@ import (
)
var (
errNotTLS = errors.New("Not a TLS connection")
errNoPeerCerts = errors.New("Client did not provide a certificate")
handshakeTimeout, _ = time.ParseDuration("5s")
)

11
irc/strings.go
View File

@ -6,7 +6,6 @@
package irc
import (
"errors"
"strings"
"golang.org/x/text/secure/precis"
@ -16,12 +15,6 @@ const (
casemappingName = "rfc8265"
)
var (
errCouldNotStabilize = errors.New("Could not stabilize string while casefolding")
errInvalidCharacter = errors.New("Invalid character")
errEmpty = errors.New("String is empty")
)
// Casefold returns a casefolded string, without doing any name or channel character checks.
func Casefold(str string) (string, error) {
var err error
@ -51,7 +44,7 @@ func CasefoldChannel(name string) (string, error) {
if err != nil {
return "", err
} else if len(lowered) == 0 {
return "", errEmpty
return "", errStringIsEmpty
}
if lowered[0] != '#' {
@ -76,7 +69,7 @@ func CasefoldName(name string) (string, error) {
if err != nil {
return "", err
} else if len(lowered) == 0 {
return "", errEmpty
return "", errStringIsEmpty
}
// space can't be used