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Refactor peer-specific commands

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This takes into account the possibility of multiple peers in
the group using the same nick. The /whois command now lists
all peers associated with the input name, and all commands
that target a peer with a non-unique nick will require the
public key to be used.
This commit is contained in:
jfreegman
2021-12-03 10:45:26 -05:00
parent cd4a5e5fde
commit f786b7ae6a
3 changed files with 151 additions and 108 deletions
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64
src/groupchats.c
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@ -465,12 +465,13 @@ static void sort_peerlist(uint32_t groupnumber)
qsort(chat->peer_list, chat->max_idx, sizeof(struct GroupPeer), peer_sort_cmp);
}
/* Gets the peer_id associated with nick.
/* Puts the peer_id associated with nick in `peer_id`.
*
* Returns 0 on success.
* Returns -1 on failure or if nick is not assigned to anyone in the group.
* Returns -1 if peer is not found.
* Returns -2 if there are more than one peers with nick.
*/
int group_get_nick_peer_id(uint32_t groupnumber, const char *nick, uint32_t *peer_id)
static int group_get_nick_peer_id(uint32_t groupnumber, const char *nick, uint32_t *peer_id)
{
GroupChat *chat = get_groupchat(groupnumber);
@ -478,6 +479,8 @@ int group_get_nick_peer_id(uint32_t groupnumber, const char *nick, uint32_t *pee
return -1;
}
size_t count = 0;
for (size_t i = 0; i < chat->max_idx; ++i) {
GroupPeer *peer = &chat->peer_list[i];
@ -486,12 +489,15 @@ int group_get_nick_peer_id(uint32_t groupnumber, const char *nick, uint32_t *pee
}
if (strcmp(nick, peer->name) == 0) {
if (++count > 1) {
return -2;
}
*peer_id = peer->peer_id;
return 0;
}
}
return -1;
return 0;
}
/* Gets the peer_id associated with `public_key`.
@ -529,6 +535,50 @@ int group_get_public_key_peer_id(uint32_t groupnumber, const char *public_key, u
return -1;
}
/* Puts the peer_id associated with `identifier` in `peer_id`. The string may be
* either a nick or a public key.
*
* On failure, `peer_id` is set to (uint32_t)-1.
*
* This function is intended to be a helper for groupchat_commands.c and will print
* error messages to `self`.
* Return 0 on success.
* Return -1 if the identifier does not correspond with a peer in the group, or if
* the identifier is a nick which is being used by multiple peers.
*/
int group_get_peer_id_of_identifier(ToxWindow *self, const char *identifier, uint32_t *peer_id)
{
*peer_id = (uint32_t) -1;
if (group_get_public_key_peer_id(self->num, identifier, peer_id) == 0) {
return 0;
}
int ret = group_get_nick_peer_id(self->num, identifier, peer_id);
switch (ret) {
case 0: {
return 0;
}
case -1: {
line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0, "Invalid peer name or public key.");
return -1;
}
case -2: {
line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0,
"More than one peer is using this name. Specify the target's public key.");
*peer_id = (uint32_t) -1;
return -1;
}
default:
line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0, "Unspecified error.");
return -1;
}
}
static void groupchat_update_last_seen(uint32_t groupnumber, uint32_t peer_id)
{
GroupChat *chat = get_groupchat(groupnumber);
@ -1076,10 +1126,6 @@ static void groupchat_onGroupRejected(ToxWindow *self, Tox *m, uint32_t groupnum
const char *msg = NULL;
switch (type) {
case TOX_GROUP_JOIN_FAIL_NAME_TAKEN:
msg = "Nick already in use. Change your nick and use the '/rejoin' command.";
break;
case TOX_GROUP_JOIN_FAIL_PEER_LIMIT:
msg = "Group is full. Try again with the '/rejoin' command.";
break;