Crash #8
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Crash #8
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~~~ Compiling 1 file (.ex) warning: variable "opts" is unused (if the variable is not meant to be used, prefix it with an underscore) lib/hedwig_xmpp.ex:109: Hedwig.Adapters.XMPP.handle_info/2 warning: variable "ns_muc_user" does not exist and is being expanded to "ns_muc_user()", please use parentheses to remove the ambiguity or change the variable name lib/hedwig_xmpp.ex:151: Hedwig.Adapters.XMPP.contains_muc_user_namespace?/1 warning: variable "self" does not exist and is being expanded to "self()", please use parentheses to remove the ambiguity or change the variable name lib/hedwig_xmpp.ex:161: Hedwig.Adapters.XMPP.get_roster/2 warning: variable "self" does not exist and is being expanded to "self()", please use parentheses to remove the ambiguity or change the variable name lib/hedwig_xmpp.ex:184: Hedwig.Adapters.XMPP.request_all_rooms/2 ~~~
An "x" element without an item field will cause the bot to crash:
~~~
** (FunctionClauseError) no function clause matching in
:fxml.get_subtag/2
(fast_xml)
fxml.erl:175:
:fxml.get_subtag(nil, "item")
(romeo) lib/romeo/xml.ex:45: Romeo.XML.subelement/3
(hedwig_xmpp) lib/hedwig_xmpp.ex:142:
Hedwig.Adapters.XMPP.real_jid_from_room_presence/1
~~~
For example, if a group chat contains a vcard for an avatar:
~~~
{:xmlel, "presence", [{"to", "dest"}, {"from", "source@muc"}, {"id", "1234"}],
[
{:xmlel, "x", [{"xmlns", "vcard-temp:x:update"}],
[{:xmlel, "photo", [], [xmlcdata: "5678"]}]},
{:xmlel, "c",
[
{"xmlns", "http://jabber.org/protocol/caps"},
{"ver", "jiZ985RsHMpIJvoWKUczSnQ5MSs="},
{"node", "http://www.process-one.net/en/ejabberd/"},
{"hash", "sha-1"}
], []}
]}
~~~
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Fixes a crash if a bot joins a group chat with an avatar set in a vcard.