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Return a stanza error whenever the IRCClient for a given server does not exist

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Instead of ignoring the stanza, we send back an error of type
remote-server-not-found each time it's possible.

Also avoid having to do if (!irc) return; everytime.

fix #3045
This commit is contained in:
Florent Le Coz
2015-05-11 04:47:31 +02:00
parent 71fec776c4
commit 5475d16b57
3 changed files with 66 additions and 41 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/bridge/bridge.cpp
+32 -39
View File
@@ -99,6 +99,18 @@ IrcClient* Bridge::get_irc_client(const std::string& hostname, const std::string
}
IrcClient* Bridge::get_irc_client(const std::string& hostname)
{
try
{
return this->irc_clients.at(hostname).get();
}
catch (const std::out_of_range& exception)
{
throw IRCNotConnected(hostname);
}
}
IrcClient* Bridge::find_irc_client(const std::string& hostname)
{
try
{
@@ -145,17 +157,17 @@ bool Bridge::join_irc_channel(const Iid& iid, const std::string& username, const
void Bridge::send_channel_message(const Iid& iid, const std::string& body)
{
if (iid.get_local().empty() || iid.get_server().empty())
if (iid.get_server().empty())
{
log_warning("Cannot send message to channel: [" << iid.get_local() << "] on server [" << iid.get_server() << "]");
this->xmpp->send_stanza_error("message", this->user_jid, std::to_string(iid), "",
"cancel", "remote-server-not-found",
std::to_string(iid) + " is not a valid channel name. "
"A correct room jid is of the form: #<chan>%<server>",
false);
return;
}
IrcClient* irc = this->get_irc_client(iid.get_server());
if (!irc)
{
log_warning("Cannot send message: no client exist for server " << iid.get_server());
return;
}
// Because an IRC message cannot contain \n, we need to convert each line
// of text into a separate IRC message. For conveniance, we also cut the
// message into submessages on the XMPP side, this way the user of the
@@ -190,8 +202,6 @@ void Bridge::forward_affiliation_role_change(const Iid& iid, const std::string&
const std::string& role)
{
IrcClient* irc = this->get_irc_client(iid.get_server());
if (!irc)
return;
IrcChannel* chan = irc->get_channel(iid.get_local());
if (!chan || !chan->joined)
return;
@@ -254,13 +264,15 @@ void Bridge::forward_affiliation_role_change(const Iid& iid, const std::string&
void Bridge::send_private_message(const Iid& iid, const std::string& body, const std::string& type)
{
if (iid.get_local().empty() || iid.get_server().empty())
return ;
IrcClient* irc = this->get_irc_client(iid.get_server());
if (!irc)
{
log_warning("Cannot send message: no client exist for server " << iid.get_server());
this->xmpp->send_stanza_error("message", this->user_jid, std::to_string(iid), "",
"cancel", "remote-server-not-found",
std::to_string(iid) + " is not a valid channel name. "
"A correct room jid is of the form: #<chan>%<server>",
false);
return;
}
IrcClient* irc = this->get_irc_client(iid.get_server());
std::vector<std::string> lines = utils::split(body, '\n', true);
if (lines.empty())
return ;
@@ -276,26 +288,19 @@ void Bridge::send_private_message(const Iid& iid, const std::string& body, const
void Bridge::send_raw_message(const std::string& hostname, const std::string& body)
{
IrcClient* irc = this->get_irc_client(hostname);
if (!irc)
{
log_warning("Cannot send message: no client exist for server " << hostname);
return ;
}
irc->send_raw(body);
}
void Bridge::leave_irc_channel(Iid&& iid, std::string&& status_message)
{
IrcClient* irc = this->get_irc_client(iid.get_server());
if (irc)
irc->send_part_command(iid.get_local(), status_message);
irc->send_part_command(iid.get_local(), status_message);
}
void Bridge::send_irc_nick_change(const Iid& iid, const std::string& new_nick)
{
IrcClient* irc = this->get_irc_client(iid.get_server());
if (irc)
irc->send_nick_command(new_nick);
irc->send_nick_command(new_nick);
}
void Bridge::send_irc_channel_list_request(const Iid& iid, const std::string& iq_id,
@@ -303,10 +308,8 @@ void Bridge::send_irc_channel_list_request(const Iid& iid, const std::string& iq
{
IrcClient* irc = this->get_irc_client(iid.get_server());
if (!irc)
return;
irc->send_list_command();
irc_responder_callback_t cb = [this, iid, iq_id, to_jid](const std::string& irc_hostname,
const IrcMessage& message) -> bool
{
@@ -340,9 +343,6 @@ void Bridge::send_irc_kick(const Iid& iid, const std::string& target, const std:
{
IrcClient* irc = this->get_irc_client(iid.get_server());
if (!irc)
return;
irc->send_kick_command(iid.get_local(), target, reason);
irc_responder_callback_t cb = [this, target, iq_id, to_jid, iid](const std::string& irc_hostname,
const IrcMessage& message) -> bool
@@ -387,8 +387,7 @@ void Bridge::send_irc_kick(const Iid& iid, const std::string& target, const std:
void Bridge::set_channel_topic(const Iid& iid, const std::string& subject)
{
IrcClient* irc = this->get_irc_client(iid.get_server());
if (irc)
irc->send_topic_command(iid.get_local(), subject);
irc->send_topic_command(iid.get_local(), subject);
}
void Bridge::send_xmpp_version_to_irc(const Iid& iid, const std::string& name, const std::string& version, const std::string& os)
@@ -447,12 +446,6 @@ void Bridge::send_irc_participant_ping_request(const Iid& iid, const std::string
const std::string& from_jid)
{
IrcClient* irc = this->get_irc_client(iid.get_server());
if (!irc)
{
this->xmpp->send_stanza_error("iq", to_jid, from_jid, iq_id, "cancel", "item-not-found",
"Not connected to IRC server"s + iid.get_server(), true);
return;
}
IrcChannel* chan = irc->get_channel(iid.get_local());
if (!chan->joined)
{
@@ -475,7 +468,7 @@ void Bridge::on_gateway_ping(const std::string& irc_hostname, const std::string&
const std::string& from_jid)
{
Jid jid(from_jid);
if (irc_hostname.empty() || this->get_irc_client(irc_hostname))
if (irc_hostname.empty() || this->find_irc_client(irc_hostname))
this->xmpp->send_iq_result(iq_id, to_jid, jid.local);
else
this->xmpp->send_stanza_error("iq", to_jid, from_jid, iq_id, "cancel", "service-unavailable",
@@ -548,7 +541,7 @@ void Bridge::send_presence_error(const Iid& iid, const std::string& nick,
void Bridge::send_muc_leave(Iid&& iid, std::string&& nick, const std::string& message, const bool self)
{
this->xmpp->send_muc_leave(std::to_string(iid), std::move(nick), this->make_xmpp_body(message), this->user_jid, self);
IrcClient* irc = this->get_irc_client(iid.get_server());
IrcClient* irc = this->find_irc_client(iid.get_server());
if (irc && irc->number_of_joined_channels() == 0)
irc->send_quit_command("");
}
@@ -603,7 +596,7 @@ void Bridge::send_topic(const std::string& hostname, const std::string& chan_nam
std::string Bridge::get_own_nick(const Iid& iid)
{
IrcClient* irc = this->get_irc_client(iid.get_server());
IrcClient* irc = this->find_irc_client(iid.get_server());
if (irc)
return irc->get_own_nick();
return "";
src/bridge/bridge.hpp
+14 -2
View File
@@ -9,6 +9,7 @@
#include <unordered_map>
#include <functional>
#include <exception>
#include <string>
#include <memory>
@@ -193,10 +194,14 @@ private:
*/
IrcClient* get_irc_client(const std::string& hostname, const std::string& username);
/**
* This version does not create the IrcClient if it does not exist, and
* returns nullptr in that case
* This version does not create the IrcClient if it does not exist, throws
* a IRCServerNotConnected error in that case.
*/
IrcClient* get_irc_client(const std::string& hostname);
/**
* Idem, but returns nullptr if the server does not exist.
*/
IrcClient* find_irc_client(const std::string& hostname);
/**
* The JID of the user associated with this bridge. Messages from/to this
* JID are only managed by this bridge.
@@ -240,4 +245,11 @@ private:
Bridge& operator=(Bridge&&) = delete;
};
struct IRCNotConnected: public std::exception
{
IRCNotConnected(const std::string& hostname):
hostname(hostname) {}
const std::string hostname;
};
#endif // BRIDGE_INCLUDED