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mod_external_services: Validate services added via events

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While writing developer documentation it became obvious that i was silly
to have one item format for config and items API, and another format for
the event API.

Then there's the stanza format, but that's a common pattern.

This change reduces the possible input formats to two and allows other
modules the benefit of the processing and validation performed on items
from the config.
This commit is contained in:
Kim Alvefur 2020-08-17 00:24:11 +02:00
parent 5bc6130e57
commit fb6c098ed6
1 changed files with 14 additions and 0 deletions
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14
plugins/mod_external_services.lua
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@ -4,6 +4,7 @@ local base64 = require "util.encodings".base64;
local hashes = require "util.hashes";
local st = require "util.stanza";
local jid = require "util.jid";
local array = require "util.array";
local default_host = module:get_option_string("external_service_host", module.host);
local default_port = module:get_option_number("external_service_port");
@ -105,6 +106,14 @@ function module.load()
end
end
-- Ensure only valid items are added in events
local services_mt = {
__index = getmetatable(array()).__index;
__newindex = function (self, i, v)
rawset(self, i, assert(prepare(v), "Invalid service entry added"));
end;
}
local function handle_services(event)
local origin, stanza = event.origin, event.stanza;
local action = stanza.tags[1];
@ -127,6 +136,8 @@ local function handle_services(event)
end);
end
setmetatable(services, services_mt);
module:fire_event("external_service/services", {
origin = origin;
stanza = stanza;
@ -177,6 +188,9 @@ local function handle_credentials(event)
});
end
setmetatable(services, services_mt);
setmetatable(requested_credentials, services_mt);
module:fire_event("external_service/credentials", {
origin = origin;
stanza = stanza;