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authorEmmanuel Gil Peyrot <linkmauve@linkmauve.fr>2019-11-12 12:17:42 +0100
committerlouiz’ <louiz@louiz.org>2019-11-13 23:25:17 +0100
commit14fe971183e5a281525827c8135965f57e15f73b (patch)
treebec9049cf26679eb911e95a61eeb5f84bd5cfecc /src/xmpp/biboumi_component.cpp
parent440e04c6ba1dfae2d6fbb55b120763e3d0da6cd1 (diff)
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Don’t treat presence updates as MUC joins
If the user sends a directed presence to an unjoined MUC without a <x/> element, send a presence error back instead of attempting to join it again, as this is almost never what the user wants. Fixes #3415.
Diffstat (limited to 'src/xmpp/biboumi_component.cpp')
-rw-r--r--src/xmpp/biboumi_component.cpp64
1 files changed, 37 insertions, 27 deletions
diff --git a/src/xmpp/biboumi_component.cpp b/src/xmpp/biboumi_component.cpp
index 6fe6972..514b270 100644
--- a/src/xmpp/biboumi_component.cpp
+++ b/src/xmpp/biboumi_component.cpp
@@ -158,39 +158,49 @@ void BiboumiComponent::handle_presence(const Stanza& stanza)
{
const std::string own_nick = bridge->get_own_nick(iid);
const XmlNode* x = stanza.get_child("x", MUC_NS);
- const XmlNode* password = x ? x->get_child("password", MUC_NS): nullptr;
- const XmlNode* history = x ? x->get_child("history", MUC_NS): nullptr;
- HistoryLimit history_limit;
- if (history)
- {
- const auto seconds = history->get_tag("seconds");
- if (!seconds.empty())
- {
- const auto now = std::chrono::system_clock::now();
- std::time_t timestamp = std::chrono::system_clock::to_time_t(now);
- int int_seconds = std::atoi(seconds.data());
- timestamp -= int_seconds;
- history_limit.since = utils::to_string(timestamp);
- }
- const auto since = history->get_tag("since");
- if (!since.empty())
- history_limit.since = since;
- const auto maxstanzas = history->get_tag("maxstanzas");
- if (!maxstanzas.empty())
- history_limit.stanzas = std::atoi(maxstanzas.data());
- // Ignore any other value, because this is too complex to implement,
- // so I won’t do it.
- if (history->get_tag("maxchars") == "0")
- history_limit.stanzas = 0;
- }
- bridge->join_irc_channel(iid, to.resource, password ? password->get_inner(): "",
- from.resource, history_limit, x != nullptr);
const IrcClient* irc = bridge->find_irc_client(iid.get_server());
if (irc)
{
const auto chan = irc->find_channel(iid.get_local());
if (chan->joined)
bridge->send_irc_nick_change(iid, to.resource, from.resource);
+ else if (!x)
+ { // send an error if we are not joined yet, instead of treating it as a join
+ this->send_stanza_error("presence", from_str, to_str, id,
+ "modify", "not-acceptable",
+ "You are not joined to this MUC.");
+ }
+ }
+ // if there is no <x/>, this is a presence status update, we don’t care about those
+ if (x)
+ {
+ const XmlNode* password = x->get_child("password", MUC_NS);
+ const XmlNode* history = x->get_child("history", MUC_NS);
+ HistoryLimit history_limit;
+ if (history)
+ {
+ const auto seconds = history->get_tag("seconds");
+ if (!seconds.empty())
+ {
+ const auto now = std::chrono::system_clock::now();
+ std::time_t timestamp = std::chrono::system_clock::to_time_t(now);
+ int int_seconds = std::atoi(seconds.data());
+ timestamp -= int_seconds;
+ history_limit.since = utils::to_string(timestamp);
+ }
+ const auto since = history->get_tag("since");
+ if (!since.empty())
+ history_limit.since = since;
+ const auto maxstanzas = history->get_tag("maxstanzas");
+ if (!maxstanzas.empty())
+ history_limit.stanzas = std::atoi(maxstanzas.data());
+ // Ignore any other value, because this is too complex to implement,
+ // so I won’t do it.
+ if (history->get_tag("maxchars") == "0")
+ history_limit.stanzas = 0;
+ }
+ bridge->join_irc_channel(iid, to.resource, password ? password->get_inner(): "",
+ from.resource, history_limit);
}
}
else if (type == "unavailable")