mirror of https://github.com/fluffle/goirc
153 lines
3.1 KiB
Go
153 lines
3.1 KiB
Go
package main
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import (
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"fmt"
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"os"
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"strings"
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"irc"
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"github.com/kless/goconfig/config"
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)
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const authFile = "auth.conf"
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var auth *config.Config
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func readAuth() {
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var err os.Error;
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auth, err = config.ReadDefault(authFile)
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if (err != nil) {
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panic(fmt.Sprintf("Auth config error: %s", err))
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}
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}
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func user(nick *irc.Nick) string {
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if nick.Ident[0] == '~' {
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return nick.Ident[1:] + "@" + nick.Host
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}
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return nick.Ident + "@" + nick.Host
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}
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func addAccess(conn *irc.Conn, channel, nick, flags string) (string, string) {
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n := conn.GetNick(nick)
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if n == nil {
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return "", ""
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}
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section := conn.Network + " " + channel
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user := user(n)
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cflags, _ := auth.String(section, user)
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nflags := cflags
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for _, flag := range flags {
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if strings.IndexRune(cflags, flag) > -1 {
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// already has the flag
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continue
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}
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nflags += string(flag)
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}
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auth.AddOption(section, user, nflags)
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if updateAuth() != nil {
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say(conn, channel, "Error while writing to %s", authFile)
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}
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return user, nflags
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}
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func removeAccess(conn *irc.Conn, channel, nick, flags string) (string, string) {
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n := conn.GetNick(nick)
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if n == nil {
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return "", ""
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}
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section := conn.Network + " " + channel
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user := user(n)
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cflags, _ := auth.String(section, user)
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nflags := ""
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for _, flag := range cflags {
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if strings.IndexRune(flags, flag) < 0 {
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// we're not removing this flag
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nflags += string(flag)
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}
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}
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auth.AddOption(section, user, nflags)
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if updateAuth() != nil {
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say(conn, channel, "Error while writing to %s", authFile)
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}
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return user, nflags
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}
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func removeUser(conn *irc.Conn, channel, nick string) (string, bool) {
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n := conn.GetNick(nick)
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if n == nil {
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return "", false
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}
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section := conn.Network + " " + channel
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user := user(n)
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if !auth.RemoveOption(section, user) {
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return user, false
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}
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if updateAuth() != nil {
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say(conn, channel, "Error while writing to %s", authFile)
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}
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return user, true
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}
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// this allows target to be a channel or a privmsg in which the channel is the first argument
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// passing a flag of "" will check if the user has any access
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// returns the channel the user has access on and remaining args
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// or a blank channel if the user doesn't have access on that channel
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func hasAccess(conn *irc.Conn, nick, target, args, flag string) (string, string) {
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n := conn.GetNick(nick)
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if n == nil {
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return "", args
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}
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// figure out what the channel and args are
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var channel string
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if isChannel(target) {
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channel = target
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} else {
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split := strings.Split(args, " ", 2)
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if isChannel(split[0]) {
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channel = split[0]
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if len(split) == 2 {
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args = split[1]
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} else {
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args = ""
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}
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} else {
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return "", args
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}
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}
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// actually check access
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user := user(n)
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if owner, _ := auth.String(conn.Network, "owner"); owner == user {
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return channel, args
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}
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flags, err := auth.String(conn.Network + " " + channel, user)
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if err != nil {
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return "", args
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}
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if strings.Index(flags, flag) > -1 {
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return channel, args
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}
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return "", args
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}
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func updateAuth() os.Error {
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if err := auth.WriteFile(authFile, 0644, ""); err != nil {
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return err
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}
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// config.WriteFile destroys the config, so
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readAuth()
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return nil
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}
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