prosody
f103f59ea2b5
net/http/errors.lua

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net/http/errors.lua @ 11049:f103f59ea2b5

net.http: http.request() promise now resolves with response (breaking change) Promise mode is not (widely?) used, changing this now while we can, as it improves usability of the API. The request is now available as response.request, if needed.
author Matthew Wild <mwild1@gmail.com>
date Tue, 25 Aug 2020 15:59:04 +0100
parent 11025:e47e7185b403
child 11225:8c17c08d100e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
11025
e47e7185b403 net.http.errors: Add new module for converting net.http errors to util.error objects
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1 -- This module returns a table that is suitable for use as a util.error registry,
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2 -- and a function to return a util.error object given callback 'code' and 'body'
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3 -- parameters.
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4
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5 local codes = require "net.http.codes";
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6 local util_error = require "util.error";
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7
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8 local error_templates = {
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9 -- This code is used by us to report a client-side or connection error.
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10 -- Instead of using the code, use the supplied body text to get one of
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11 -- the more detailed errors below.
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12 [0] = {
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13 code = 0, type = "cancel", condition = "internal-server-error";
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14 text = "Connection or internal error";
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15 };
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16
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17 -- These are net.http built-in errors, they are returned in
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18 -- the body parameter when code == 0
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19 ["cancelled"] = {
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20 code = 0, type = "cancel", condition = "remote-server-timeout";
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21 text = "Request cancelled";
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22 };
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23 ["connection-closed"] = {
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24 code = 0, type = "wait", condition = "remote-server-timeout";
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25 text = "Connection closed";
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26 };
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27 ["certificate-chain-invalid"] = {
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28 code = 0, type = "cancel", condition = "remote-server-timeout";
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29 text = "Server certificate not trusted";
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30 };
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31 ["certificate-verify-failed"] = {
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32 code = 0, type = "cancel", condition = "remote-server-timeout";
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33 text = "Server certificate invalid";
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34 };
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35 ["connection failed"] = {
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36 code = 0, type = "cancel", condition = "remote-server-not-found";
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37 text = "Connection failed";
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38 };
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39 ["invalid-url"] = {
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40 code = 0, type = "modify", condition = "bad-request";
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41 text = "Invalid URL";
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42 };
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43
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44 -- This doesn't attempt to map every single HTTP code (not all have sane mappings),
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45 -- but all the common ones should be covered. XEP-0086 was used as reference for
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46 -- most of these.
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47 [400] = { type = "modify", condition = "bad-request" };
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48 [401] = { type = "auth", condition = "not-authorized" };
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49 [402] = { type = "auth", condition = "payment-required" };
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50 [403] = { type = "auth", condition = "forbidden" };
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51 [404] = { type = "cancel", condition = "item-not-found" };
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52 [405] = { type = "cancel", condition = "not-allowed" };
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53 [406] = { type = "modify", condition = "not-acceptable" };
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54 [407] = { type = "auth", condition = "registration-required" };
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55 [408] = { type = "wait", condition = "remote-server-timeout" };
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56 [409] = { type = "cancel", condition = "conflict" };
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57 [410] = { type = "cancel", condition = "gone" };
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58 [411] = { type = "modify", condition = "bad-request" };
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59 [412] = { type = "cancel", condition = "conflict" };
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60 [413] = { type = "modify", condition = "resource-constraint" };
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61 [414] = { type = "modify", condition = "resource-constraint" };
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62 [415] = { type = "cancel", condition = "feature-not-implemented" };
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63 [416] = { type = "modify", condition = "bad-request" };
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64
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65 [422] = { type = "modify", condition = "bad-request" };
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66 [423] = { type = "wait", condition = "resource-constraint" };
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67
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68 [429] = { type = "wait", condition = "resource-constraint" };
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69 [431] = { type = "modify", condition = "resource-constraint" };
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70 [451] = { type = "auth", condition = "forbidden" };
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71
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72 [500] = { type = "wait", condition = "internal-server-error" };
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73 [501] = { type = "cancel", condition = "feature-not-implemented" };
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74 [502] = { type = "wait", condition = "remote-server-timeout" };
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75 [503] = { type = "cancel", condition = "service-unavailable" };
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76 [504] = { type = "wait", condition = "remote-server-timeout" };
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77 [507] = { type = "wait", condition = "resource-constraint" };
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78 [511] = { type = "auth", condition = "not-authorized" };
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79 };
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80
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81 for k, v in pairs(codes) do
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82 if error_templates[k] then
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83 error_templates[k].code = k;
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84 error_templates[k].text = v;
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85 else
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86 error_templates[k] = { type = "cancel", condition = "undefined-condition", text = v, code = k };
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87 end
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88 end
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89
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90 setmetatable(error_templates, {
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91 __index = function(_, k)
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92 if type(k) ~= "number" then
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93 return nil;
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94 end
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95 return {
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96 type = "cancel";
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97 condition = "undefined-condition";
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98 text = codes[k] or (k.." Unassigned");
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99 code = k;
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100 };
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101 end
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102 });
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103
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104 local function new(code, body, context)
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105 if code == 0 then
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106 return util_error.new(body, context, error_templates);
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107 else
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108 return util_error.new(code, context, error_templates);
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109 end
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110 end
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111
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112 return {
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113 registry = error_templates;
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114 new = new;
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115 };