Mercurial > prosody-modules

comparison mod_pubsub_text_interface/mod_pubsub_text_interface.lua @ 5133:d7652471ae3e

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mod_pubsub_text_interface: Improve error messages The internal error conditions are not always very clear, especially 'item-not-found' which actually means the _node_ does not exist.
author Kim Alvefur <zash@zash.se>
date Sun, 08 Jan 2023 17:53:14 +0100
parents 25ce28711fac
children e0d0ef564095
comparison
equal deleted inserted replaced
5132:36b5677b9648 5133:d7652471ae3e
16 - `subscribe node` - subscribe to a node 16 - `subscribe node` - subscribe to a node
17 - `unsubscribe node` - unsubscribe from a node]]; 17 - `unsubscribe node` - unsubscribe from a node]];
18 if pubsub.get_last_item then -- COMPAT not available in 0.10 18 if pubsub.get_last_item then -- COMPAT not available in 0.10
19 help = help .. "\n- `last node` - send the last item (again)" 19 help = help .. "\n- `last node` - send the last item (again)"
20 end 20 end
21 -- FIXME better word for "node"
22
23 local friendly_pubsub_errors = {
24 ["forbidden"] = "You are not allowed to do that";
25 ["item-not-found"] = "That node does not exist";
26 ["internal-server-error"] = "Something went wrong (see server logs)";
27 ["not-subscribed"] = "You were not subscribed";
28 };
21 29
22 module:hook("message/host", function (event) 30 module:hook("message/host", function (event)
23 local stanza = event.stanza; 31 local stanza = event.stanza;
24 local body = stanza:get_child_text("body"); 32 local body = stanza:get_child_text("body");
25 if not body then return end -- bail out 33 if not body then return end -- bail out
43 for node, node_obj in pairs(nodes) do 51 for node, node_obj in pairs(nodes) do
44 table.insert(list, ("- `%s` %s"):format(node, node_obj.config.title or "")); 52 table.insert(list, ("- `%s` %s"):format(node, node_obj.config.title or ""));
45 end 53 end
46 reply:body(table.concat(list, "\n")); 54 reply:body(table.concat(list, "\n"));
47 else 55 else
48 reply:body(nodes); 56 reply:body(friendly_pubsub_errors[nodes] or nodes);
49 end 57 end
50 elseif command == "subscriptions" then 58 elseif command == "subscriptions" then
51 local ok, subs = pubsub:get_subscriptions(nil, from, from); 59 local ok, subs = pubsub:get_subscriptions(nil, from, from);
52 if not ok then 60 if not ok then
53 reply:body(subs); 61 reply:body(friendly_pubsub_errors[subs] or subs);
54 elseif #subs == 0 then 62 elseif #subs == 0 then
55 reply:body("You are not subscribed to anything from this pubsub service"); 63 reply:body("You are not subscribed to anything from this pubsub service");
56 else 64 else
57 local response = {}; 65 local response = {};
58 for i = 1, #subs do 66 for i = 1, #subs do
62 end 70 end
63 reply:body(table.concat(response, "\n")); 71 reply:body(table.concat(response, "\n"));
64 end 72 end
65 elseif command == "subscribe" then 73 elseif command == "subscribe" then
66 local ok, err = pubsub:add_subscription(node_arg, from, jid.bare(from), { ["pubsub#include_body"] = true }); 74 local ok, err = pubsub:add_subscription(node_arg, from, jid.bare(from), { ["pubsub#include_body"] = true });
67 reply:body(ok and "OK" or err); 75 reply:body(ok and "OK" or friendly_pubsub_errors[err] or err);
68 elseif command == "unsubscribe" then 76 elseif command == "unsubscribe" then
69 local ok, err = pubsub:remove_subscription(node_arg, from, jid.bare(from)); 77 local ok, err = pubsub:remove_subscription(node_arg, from, jid.bare(from));
70 reply:body(ok and "OK" or err); 78 reply:body(ok and "OK" or friendly_pubsub_errors[err] or err);
71 elseif command == "last" and pubsub.get_last_item then 79 elseif command == "last" and pubsub.get_last_item then
72 local ok, item_id, item = pubsub:get_last_item(node_arg, from); 80 local ok, item_id, item = pubsub:get_last_item(node_arg, from);
73 if not ok then 81 if not ok then
74 reply:body(item_id); -- err message 82 reply:body(friendly_pubsub_errors[item_id] or item_id);
75 elseif not item_id then 83 elseif not item_id then
76 reply:body("node is empty"); 84 reply:body("That node does not contain any items");
77 else 85 else
78 pubsub.config.broadcaster("items", node_arg, { 86 pubsub.config.broadcaster("items", node_arg, {
79 [from] = { ["pubsub#include_body"] = true } 87 [from] = { ["pubsub#include_body"] = true }
80 }, item, nil, pubsub.nodes[node_arg]); 88 }, item, nil, pubsub.nodes[node_arg]);
81 reply:body("OK"); 89 reply:body("OK");