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comparison plugins/mod_http_errors.lua @ 13959:1b95d50cfa18

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mod_http_errors: Return errors as JSON if requester prefers that
author Matthew Wild <mwild1@gmail.com>
date Fri, 26 Sep 2025 12:43:38 +0100
parents f72ca74de456
children 36d361722889
comparison
equal deleted inserted replaced
13958:72964be32b26 13959:1b95d50cfa18
1 module:set_global(); 1 module:set_global();
2 2
3 local server = require "prosody.net.http.server"; 3 local server = require "prosody.net.http.server";
4 local codes = require "prosody.net.http.codes"; 4 local codes = require "prosody.net.http.codes";
5 local http_errors = require "prosody.net.http.errors".registry;
6 local json = require "prosody.util.json";
7 local new_short_id = require "prosody.util.id".short;
5 local xml_escape = require "prosody.util.stanza".xml_escape; 8 local xml_escape = require "prosody.util.stanza".xml_escape;
6 local render = require "prosody.util.interpolation".new("%b{}", xml_escape); 9 local render = require "prosody.util.interpolation".new("%b{}", xml_escape);
10
7 11
8 local show_private = module:get_option_boolean("http_errors_detailed", false); 12 local show_private = module:get_option_boolean("http_errors_detailed", false);
9 local always_serve = module:get_option_boolean("http_errors_always_show", true); 13 local always_serve = module:get_option_boolean("http_errors_always_show", true);
10 local default_message = { module:get_option_string("http_errors_default_message", "That's all I know.") }; 14 local default_message = { module:get_option_string("http_errors_default_message", "That's all I know.") };
11 local default_messages = { 15 local default_messages = {
75 event.response.headers.content_type = "text/html; charset=utf-8"; 79 event.response.headers.content_type = "text/html; charset=utf-8";
76 end 80 end
77 return get_page(event.code, (show_private and event.private_message) or event.message or (event.error and event.error.text)); 81 return get_page(event.code, (show_private and event.private_message) or event.message or (event.error and event.error.text));
78 end); 82 end);
79 83
84 -- Return error object as JSON if that's what requester prefers
85 module:hook_object_event(server, "http-error", function (event)
86 if event.request.headers.accept:match("^application/json") then
87 event.response.headers.content_type = "application/json";
88 local error = event.request and event.error;
89 if not error then
90 error = http_errors[event.response.status_code];
91 end
92 local extra = error.extra;
93 return json.encode({
94 instance_id = error.instance_id or new_short_id();
95 type = error.type;
96 condition = error.condition;
97 text = error.text or (show_private and event.private_message) or event.message;
98 namespace = extra and extra.namespace;
99 subcondition = extra and extra.condition;
100 source = error.source or "mod_http_errors";
101 });
102 end
103 end, 0.1);
104
80 -- Way to use the template for other things so to give a consistent appearance 105 -- Way to use the template for other things so to give a consistent appearance
81 module:hook("http-message", function (event) 106 module:hook("http-message", function (event)
82 if event.response then 107 if event.response then
83 event.response.headers.content_type = "text/html; charset=utf-8"; 108 event.response.headers.content_type = "text/html; charset=utf-8";
84 end 109 end