forked from vermi-zz/rbot
/
auth.go
183 lines (157 loc) · 3.7 KB
/
auth.go
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package main
import (
"fmt"
"os"
"strings"
irc "github.com/fluffle/goirc/client"
"goconfig"
)
const authFile = "auth.conf"
var auth *config.Config
var ignores map[string]map[string]bool //network -> host -> true
func readAuth() {
var err os.Error
auth, err = config.ReadDefault(authFile)
if err != nil {
panic(fmt.Sprintf("Auth config error: %s", err))
}
if ignores == nil {
ignores = make(map[string]map[string]bool)
// parse ignores
for _, s := range auth.Sections() {
if strings.Index(s, " ") > -1 {
// this is a channel
continue
}
hosts, err := auth.Options(s)
if err != nil {
panic(fmt.Sprintf("Ignore config error in %s: %s", s, err))
}
if ignores[s] == nil {
ignores[s] = make(map[string]bool)
}
for _, h := range hosts {
if h == "owner" {
continue
}
ignores[s][h] = true
}
}
}
}
func user(nick *irc.Nick) string {
if nick.Ident == "" || nick.Host == "" {
return ""
}
if nick.Ident[0] == '~' {
return nick.Ident[1:] + "@" + nick.Host
}
return nick.Ident + "@" + nick.Host
}
func addAccess(conn *irc.Conn, channel, nick, flags string) (string, string) {
n := conn.GetNick(nick)
if n == nil {
return "", ""
}
section := conn.Network + " " + channel
user := user(n)
cflags, _ := auth.String(section, user)
nflags := cflags
for _, flag := range flags {
if strings.IndexRune(cflags, flag) > -1 {
// already has the flag
continue
}
nflags += string(flag)
}
auth.AddOption(section, user, nflags)
if updateAuth() != nil {
say(conn, channel, "Error while writing to %s", authFile)
}
return user, nflags
}
func removeAccess(conn *irc.Conn, channel, nick, flags string) (string, string) {
n := conn.GetNick(nick)
if n == nil {
return "", ""
}
section := conn.Network + " " + channel
user := user(n)
cflags, _ := auth.String(section, user)
nflags := ""
for _, flag := range cflags {
if strings.IndexRune(flags, flag) < 0 {
// we're not removing this flag
nflags += string(flag)
}
}
auth.AddOption(section, user, nflags)
if updateAuth() != nil {
say(conn, channel, "Error while writing to %s", authFile)
}
return user, nflags
}
func removeUser(conn *irc.Conn, channel, nick string) (string, bool) {
n := conn.GetNick(nick)
if n == nil {
return "", false
}
section := conn.Network + " " + channel
user := user(n)
if !auth.RemoveOption(section, user) {
return user, false
}
if updateAuth() != nil {
say(conn, channel, "Error while writing to %s", authFile)
}
return user, true
}
func hasAccess(conn *irc.Conn, nick *irc.Nick, channel, flag string) bool {
user := user(nick)
if owner, _ := auth.String(conn.Network, "owner"); owner == user {
return true
}
if flag == "?" {
return true
}
flags, err := auth.String(conn.Network+" "+channel, user)
if err != nil {
return false
}
if flag == "" || strings.IndexAny(flags, flag) > -1 {
return true
}
return false
}
func addIgnore(conn *irc.Conn, channel string, n *irc.Nick) bool {
if ignores[conn.Network][n.Host] {
return false
}
ignores[conn.Network][n.Host] = true
auth.AddOption(conn.Network, n.Host, "z")
if updateAuth() != nil {
say(conn, channel, "Error while writing to %s", authFile)
}
return true
}
func removeIgnore(conn *irc.Conn, channel, nick string) (string, bool) {
n := conn.GetNick(nick)
if n == nil {
return "", false
}
if _, ok := ignores[conn.Network][n.Host]; !ok {
return n.Host, false
}
ignores[conn.Network][n.Host] = false, false
auth.RemoveOption(conn.Network, n.Host)
if updateAuth() != nil {
say(conn, channel, "Error while writing to %s", authFile)
}
return n.Host, true
}
func updateAuth() os.Error {
if err := auth.WriteFile(authFile, 0644, ""); err != nil {
return err
}
return nil
}