track user modes using NAMES; closes #2
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parent
6b4a3e6359
commit
1b41086bca
26
handlers.go
26
handlers.go
@ -27,6 +27,7 @@ func (c *Client) registerHandlers() {
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c.Callbacks.register(true, KICK, CallbackFunc(handleKICK))
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c.Callbacks.register(true, QUIT, CallbackFunc(handleQUIT))
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c.Callbacks.register(true, NICK, CallbackFunc(handleNICK))
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c.Callbacks.register(true, RPL_NAMREPLY, CallbackFunc(handleNAMES))
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// WHO/WHOX responses.
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c.Callbacks.register(true, RPL_WHOREPLY, CallbackFunc(handleWHO))
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@ -310,3 +311,28 @@ func handleMOTD(c *Client, e Event) {
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c.state.mu.Unlock()
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}
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func handleNAMES(c *Client, e Event) {
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if len(e.Params) < 1 || !IsValidChannel(e.Params[len(e.Params)-1]) {
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return
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}
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parts := strings.Split(e.Trailing, " ")
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c.state.mu.Lock()
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for i := 0; i < len(parts); i++ {
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modes, nick, ok := parseUserModes(parts[i])
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if !ok {
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continue
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}
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user := c.state.createUserIfNotExists(e.Params[len(e.Params)-1], nick)
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if user == nil {
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continue
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}
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// Don't append modes, overwrite them.
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user.Modes.setModes(modes, false)
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}
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c.state.mu.Unlock()
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}
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103
state.go
103
state.go
@ -74,6 +74,12 @@ type User struct {
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// Only usable if from state, not in past.
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LastActive time.Time
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// Modes are the user modes applied to this user that affect the given
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// channel. This supports non-rfc style modes like Admin, Owner, and HalfOp.
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// If you want to easily check if a user has permissions equal or greater
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// than OP, use Modes.IsAdmin().
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Modes UserModes
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// Extras are things added on by additional tracking methods, which may
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// or may not work on the IRC server in mention.
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Extras struct {
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@ -317,3 +323,100 @@ func (s *state) getUsers(matchType, toMatch string) []*User {
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return users
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}
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// UserModes contains all channel-based user permissions. The minimum op, and
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// voice should be supported on all networks. This also supports non-rfc
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// Owner, Admin, and HalfOp, if the network has support for it.
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type UserModes struct {
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// Owner (non-rfc) indicates that the user has full permissions to the
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// channel. More than one user can have owner permission.
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Owner bool
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// Admin (non-rfc) is commonly given to users that are trusted enough
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// to manage channel permissions, as well as higher level service settings.
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Admin bool
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// Op is commonly given to trusted users who can manage a given channel
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// by kicking, and banning users.
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Op bool
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// HalfOp (non-rfc) is commonly used to give users permissions like the
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// ability to kick, without giving them greater abilities to ban all users.
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HalfOp bool
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// Voice indicates the user has voice permissions, commonly given to known
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// users, wih very light trust, or to indicate a user is active.
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Voice bool
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}
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// IsAdmin indicates that the user has banning abilities, and are likely a
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// very trustable user (e.g. op+).
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func (m UserModes) IsAdmin() bool {
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if m.Owner || m.Admin || m.Op {
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return true
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}
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return false
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}
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// IsAdmin indicates that the user at least has modes set upon them, higher
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// than a regular joining user.
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func (m UserModes) IsTrusted() bool {
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if m.IsAdmin() || m.HalfOp || m.Voice {
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return true
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}
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return false
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}
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// reset resets the modes of a user.
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func (m *UserModes) reset() {
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m.Owner = false
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m.Admin = false
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m.Op = false
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m.HalfOp = false
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m.Voice = false
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}
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// setMode translates raw mode characters into proper permissions. Only use
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// this function when you have a session lock.
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func (m *UserModes) setModes(modes string, append bool) {
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if !append {
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m.reset()
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}
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for i := 0; i < len(modes); i++ {
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switch string(modes[i]) {
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case OwnerPrefix:
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m.Owner = true
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case AdminPrefix:
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m.Admin = true
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case OperatorPrefix:
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m.Op = true
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case HalfOperatorPrefix:
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m.HalfOp = true
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case VoicePrefix:
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m.Voice = true
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}
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}
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}
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// parseUserModes parses a raw mode line, like "@user" or "@+user".
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func parseUserModes(raw string) (modes, nick string, success bool) {
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for i := 0; i < len(raw); i++ {
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char := string(raw[i])
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if char == OwnerPrefix || char == AdminPrefix || char == HalfOperatorPrefix ||
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char == OperatorPrefix || char == VoicePrefix {
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modes += char
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continue
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}
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// Assume we've gotten to the nickname part.
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if !IsValidNick(raw[i:]) {
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return modes, nick, false
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}
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nick = raw[i:]
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return modes, nick, true
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}
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return
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}
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