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mirror of https://github.com/ergochat/ergo.git synced 2024-11-22 03:49:27 +01:00

allow unprivileged users to list bans

This commit is contained in:
Shivaram Lingamneni 2017-11-13 02:55:26 -05:00
parent fc8007e6e4
commit b1e12ca1eb

View File

@ -484,10 +484,40 @@ func (channel *Channel) ApplyChannelModeChanges(client *Client, isSamode bool, c
applied := make(ModeChanges, 0)
isListOp := func(change ModeChange) bool {
return (change.op == List) || (change.arg == "")
}
hasPrivs := func(change ModeChange) bool {
if isSamode {
return true
}
switch change.mode {
case ChannelFounder, ChannelAdmin, ChannelOperator, Halfop, Voice:
// Admins can't give other people Admin or remove it from others
if change.mode == ChannelAdmin {
return false
}
if change.op == List {
return true
}
cfarg, _ := CasefoldName(change.arg)
if change.op == Remove && cfarg == client.nickCasefolded {
// "There is no restriction, however, on anyone `deopping' themselves"
// <https://tools.ietf.org/html/rfc2812#section-3.1.5>
return true
}
return channel.ClientIsAtLeast(client, change.mode)
case BanMask:
// #163: allow unprivileged users to list ban masks
return clientIsOp || isListOp(change)
default:
return clientIsOp
}
}
for _, change := range changes {
// chan priv modes are checked specially so ignore them
// means regular users can't view ban/except lists... but I'm not worried about that
if !isSamode && ChannelModePrefixes[change.mode] == "" && !clientIsOp {
if !hasPrivs(change) {
if !alreadySentPrivError {
alreadySentPrivError = true
client.Send(nil, client.server.name, ERR_CHANOPRIVSNEEDED, channel.name, "You're not a channel operator")
@ -497,15 +527,13 @@ func (channel *Channel) ApplyChannelModeChanges(client *Client, isSamode bool, c
switch change.mode {
case BanMask, ExceptMask, InviteMask:
mask := change.arg
if (change.op == List) || (mask == "") {
if isListOp(change) {
channel.ShowMaskList(client, change.mode)
continue
}
// confirm mask looks valid
mask, err := Casefold(mask)
mask, err := Casefold(change.arg)
if err != nil {
continue
}
@ -566,31 +594,6 @@ func (channel *Channel) ApplyChannelModeChanges(client *Client, isSamode bool, c
if change.op == List {
continue
}
// make sure client has privs to edit the given prefix
hasPrivs := isSamode
// Admins can't give other people Admin or remove it from others,
// standard for that channel mode, we worry about this later
if !hasPrivs && change.mode != ChannelAdmin {
hasPrivs = channel.ClientIsAtLeast(client, change.mode)
}
casefoldedName, err := CasefoldName(change.arg)
if err != nil {
continue
}
if !hasPrivs {
if change.op == Remove && casefoldedName == client.nickCasefolded {
// success!
} else {
if !alreadySentPrivError {
alreadySentPrivError = true
client.Send(nil, client.server.name, ERR_CHANOPRIVSNEEDED, channel.name, "You're not a channel operator")
}
continue
}
}
change := channel.applyModeMemberNoMutex(client, change.mode, change.op, change.arg)
if change != nil {