Mercurial > prosody-modules

annotate mod_invite/mod_invite.lua @ 5418:f2c7bb3af600

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mod_http_oauth2: Add role selector to consent page List includes all roles available to the user, if more than one. Defaults to either the first role in the scope string or the users primary role. Earlier draft listed all roles, but having options that can't be selected is bad UX and the entire list of all roles on the server could be long, and perhaps even sensitive. Allows e.g. picking a role with fewer permissions than what might otherwise have been selected. UX wise, doing this with more checkboxes or possibly radio buttons would have been confusion and/or looked messier. Fixes the previous situation where unselecting a role would default to the primary role, which could be more permissions than requested.
author Kim Alvefur <zash@zash.se>
date Fri, 05 May 2023 01:23:13 +0200
parents 75b6e5df65f9
children
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1 local adhoc_new = module:require "adhoc".new;
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2 local uuid_new = require "util.uuid".generate;
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3 local jid_split = require "util.jid".split;
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4 local jid_join = require "util.jid".join;
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5 local http_formdecode = require "net.http".formdecode;
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6 local usermanager = require "core.usermanager";
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7 local rostermanager = require "core.rostermanager";
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8 local tohtml = require "util.stanza".xml_escape
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9 local nodeprep = require "util.encodings".stringprep.nodeprep;
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10 local tostring = tostring;
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12 local invite_storage = module:open_store();
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13 local inviter_storage = module:open_store("inviter");
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14
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15 local serve;
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16 if prosody.process_type == "prosody" then
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17 local http_files = require "net.http.files";
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18 serve = http_files.serve;
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19 else
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20 serve = module:depends"http_files".serve;
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21 end
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22
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23 module:depends"adhoc";
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24 module:depends"http";
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26 local function apply_template(template, args)
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27 return
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28 template:gsub("{{([^}]*)}}", function (k)
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29 if args[k] then
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30 return tohtml(args[k])
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31 else
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32 return k
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33 end
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34 end)
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35 end
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36
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37 function generate_page(event, token)
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38 local response = event.response;
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40 local tokens = invite_storage:get() or {};
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42 response.headers.content_type = "text/html; charset=utf-8";
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43
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44 if not token or token == "" then
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45 local template = assert(module:load_resource("invite/invite_result.html")):read("*a");
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46
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47 -- TODO maybe show a friendlier information page instead?
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48 return apply_template(template, { classes = "alert-danger", message = "No token given" })
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49 elseif not tokens[token] then
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50 local template = assert(module:load_resource("invite/invite_result.html")):read("*a");
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52 return apply_template(template, { classes = "alert-danger", message = "This invite has expired." })
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53 end
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55 local template = assert(module:load_resource("invite/invite.html")):read("*a");
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57 return apply_template(template, { user = jid_join(tokens[token], module.host), server = module.host, token = token });
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58 end
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59
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60 function subscribe(user1, user2)
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61 local user1_jid = jid_join(user1, module.host);
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62 local user2_jid = jid_join(user2, module.host);
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63
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64 rostermanager.set_contact_pending_out(user2, module.host, user1_jid);
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65 rostermanager.set_contact_pending_in(user1, module.host, user2_jid);
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66 rostermanager.subscribed(user1, module.host, user2_jid);
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67 rostermanager.process_inbound_subscription_approval(user2, module.host, user1_jid);
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68 end
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69
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70 function handle_form(event)
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71 local request, response = event.request, event.response;
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72 local form_data = http_formdecode(request.body);
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73 local user, password, token = form_data["user"], form_data["password"], form_data["token"];
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74 local tokens = invite_storage:get() or {};
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76 local template = assert(module:load_resource("invite/invite_result.html")):read("*a");
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78 response.headers.content_type = "text/html; charset=utf-8";
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79
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80 if not user or #user == 0 or not password or #password == 0 or not token then
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81 return apply_template(template, { classes = "alert-warning", message = "Please fill in all fields." })
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82 end
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83
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84 if not tokens[token] then
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85 return apply_template(template, { classes = "alert-danger", message = "This invite has expired." })
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86 end
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87
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88 -- Shamelessly copied from mod_register_web.
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89 local prepped_username = nodeprep(user);
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90
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91 if not prepped_username or #prepped_username == 0 then
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92 return apply_template(template, { classes = "alert-warning", message = "This username contains invalid characters." })
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93 end
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95 if usermanager.user_exists(prepped_username, module.host) then
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96 return apply_template(template, { classes = "alert-warning", message = "This username is already in use." })
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97 end
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98
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99 local registering = { username = prepped_username , host = module.host, allowed = true }
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100
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101 module:fire_event("user-registering", registering);
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102
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103 if not registering.allowed then
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104 return apply_template(template, { classes = "alert-danger", message = "Registration is not allowed." })
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105 end
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106
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107 local ok, err = usermanager.create_user(prepped_username, password, module.host);
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108
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109 if ok then
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110 subscribe(prepped_username, tokens[token]);
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111 subscribe(tokens[token], prepped_username);
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112
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113 inviter_storage:set(prepped_username, { inviter = tokens[token] });
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114
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115 rostermanager.roster_push(tokens[token], module.host, jid_join(prepped_username, module.host));
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116
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117 tokens[token] = nil;
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118
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119 invite_storage:set(nil, tokens);
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120
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121 module:fire_event("user-registered", {
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122 username = prepped_username, host = module.host, source = "mod_invite", });
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123
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124 return apply_template(template, { classes = "alert-success",
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125 message = "Your account has been created! You can now log in using an XMPP client." })
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126 else
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127 module:log("debug", "Registration failed: " .. tostring(err));
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128
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129 return apply_template(template, { classes = "alert-danger", message = "An unknown error has occurred." })
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130 end
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131 end
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132
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133 module:provides("http", {
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134 route = {
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135 ["GET /bootstrap.min.css"] = serve(module:get_directory() .. "/invite/bootstrap.min.css");
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136 ["GET /*"] = generate_page;
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137 POST = handle_form;
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138 };
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139 });
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140
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141 function invite_command_handler(_, data)
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142 local uuid = uuid_new();
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143
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144 local user, host = jid_split(data.from);
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145
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146 if host ~= module.host then
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147 return { status = "completed", error = { message = "You are not allowed to invite users to this server." }};
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148 end
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149
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150 local tokens = invite_storage:get() or {};
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151
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152 tokens[uuid] = user;
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153
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154 invite_storage:set(nil, tokens);
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155
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156 return { info = module:http_url() .. "/" .. uuid, status = "completed" };
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157 end
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158
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159 local adhoc_invite = adhoc_new("Invite user", "invite", invite_command_handler, "local_user")
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160
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161 module:add_item("adhoc", adhoc_invite);