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annotate mod_invites_api/mod_invites_api.lua @ 4115:165ade4ce97b

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mod_invites_api: New module to create new invites over HTTP
author Matthew Wild <mwild1@gmail.com>
date Sun, 13 Sep 2020 11:05:19 +0100
parents
children 35b678609b79
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4115
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1 local http_formdecode = require "net.http".formdecode;
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2
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3 local api_key_store;
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4 local invites;
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5 -- COMPAT: workaround to avoid executing inside prosodyctl
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6 if prosody.shutdown then
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7 module:depends("http");
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8 api_key_store = module:open_store("invite_api_keys", "map");
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9 invites = module:depends("invites");
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10 end
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11
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12 local function get_api_user(request, params)
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13 local combined_key;
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14
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15 local auth_header = request.headers.authorization;
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16
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17 if not auth_header then
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18 params = params or http_formdecode(request.url.query);
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19 combined_key = params.key;
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20 else
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21 local auth_type, value = auth_header:match("^(%S+)%s(%S+)$");
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22 if auth_type ~= "Bearer" then
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23 return;
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24 end
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25 combined_key = value;
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26 end
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27
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28 if not combined_key then
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29 return;
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30 end
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31
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32 local key_id, key_token = combined_key:match("^([^/]+)/(.+)$");
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33
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34 if not key_id then
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35 return;
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36 end
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37
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38 local api_user = api_key_store:get(nil, key_id);
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39
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40 if not api_user or api_user.token ~= key_token then
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41 return;
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42 end
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43
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44 -- TODO: key expiry, rate limiting, etc.
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45 return api_user;
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46 end
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47
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48 function handle_request(event)
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49 local query_params = http_formdecode(event.request.url.query);
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50
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51 local api_user = get_api_user(event.request, query_params);
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52
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53 if not api_user then
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54 return 403;
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55 end
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56
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57 local invite = invites.create_account(nil, { source = "api/token/"..api_user.id });
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58 if not invite then
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59 return 500;
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60 end
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61
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62 event.response.headers.Location = invite.landing_page or invite.uri;
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63
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64 if query_params.redirect then
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65 return 303;
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66 end
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67 return 201;
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68 end
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69
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70 if invites then
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71 module:provides("http", {
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72 route = {
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73 ["GET"] = handle_request;
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74 };
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75 });
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76 end
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77
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78 function module.command(arg)
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79 if #arg < 2 then
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80 print("Usage:");
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81 print("");
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82 print(" prosodyctl mod_"..module.name.." create NAME");
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83 print(" prosodyctl mod_"..module.name.." delete KEY_ID");
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84 print(" prosodyctl mod_"..module.name.." list");
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85 print("");
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86 end
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87
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88 local command = table.remove(arg, 1);
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89
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90 local host = table.remove(arg, 1);
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91 if not prosody.hosts[host] then
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92 print("Error: please supply a valid host");
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93 return 1;
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94 end
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95 require "core.storagemanager".initialize_host(host);
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96 module.host = host; --luacheck: ignore 122/module
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97 api_key_store = module:open_store("invite_api_keys", "map");
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98
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99 if command == "create" then
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100 local id = require "util.id".short();
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101 local token = require "util.id".long();
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102 api_key_store:set(nil, id, {
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103 id = id;
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104 token = token;
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105 name = arg[1];
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106 created_at = os.time();
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107 });
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108 print(id.."/"..token);
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109 elseif command == "delete" then
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110 local id = table.remove(arg, 1);
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111 if not api_key_store:get(nil, id) then
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112 print("Error: key not found");
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113 return 1;
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114 end
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115 api_key_store:set(nil, id, nil);
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116 elseif command == "list" then
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117 local api_key_store_kv = module:open_store("invite_api_keys");
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118 for key_id, key_info in pairs(api_key_store_kv:get(nil)) do
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119 print(key_id, key_info.name or "<unknown>");
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120 end
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121 else
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122 print("Unknown command - "..command);
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123 end
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124 end