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annotate mod_authz_delegate/mod_authz_delegate.lua @ 6531:2d17c39ede4d

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mod_muc_mav: Fix README.md
author Marvin W <hg@larma.de>
date Mon, 04 May 2026 23:44:15 +0200
parents 6ebda1e5b4f3
children
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1 local host = module.host;
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2 local host_suffix = module:get_option_string("parent_host", (host:gsub("^[^%.]+%.", "")));
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3 local target_host = module:get_option("authz_delegate_to", host_suffix);
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4 local this_host = module:get_host();
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5
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6 local array = require"util.array";
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7 local jid_split = import("prosody.util.jid", "split");
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8
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9 local hosts = prosody.hosts;
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10
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11 function get_jids_with_role(role) --luacheck: ignore 212/role
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12 return nil
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13 end
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14
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15 function get_user_role(user)
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16 -- this is called where the JID belongs to the host this module is loaded on
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17 -- that means we have to delegate that to get_jid_role with an appropriately composed JID
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18 return hosts[target_host].authz.get_jid_role(user .. "@" .. this_host)
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19 end
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20
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21 function set_user_role(user, role_name) --luacheck: ignore 212/user 212/role_name
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22 -- no roles for entities on this host.
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23 return false, "cannot set user role on delegation target"
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24 end
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25
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26 function get_user_secondary_roles(user) --luacheck: ignore 212/user
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27 -- no roles for entities on this host.
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28 return {}
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29 end
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30
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31 function add_user_secondary_role(user, role_name) --luacheck: ignore 212/user 212/role_name
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32 -- no roles for entities on this host.
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33 return nil, "cannot set user role on delegation target"
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34 end
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35
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36 function remove_user_secondary_role(user, role_name) --luacheck: ignore 212/user 212/role_name
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37 -- no roles for entities on this host.
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38 return nil, "cannot set user role on delegation target"
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39 end
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40
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41 function user_can_assume_role(user, role_name) --luacheck: ignore 212/user 212/role_name
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42 -- no roles for entities on this host.
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43 return false
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44 end
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45
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46 function get_jid_role(jid)
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47 local user, host = jid_split(jid);
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48 if host == target_host then
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49 return hosts[target_host].authz.get_user_role(user);
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50 end
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51 return hosts[target_host].authz.get_jid_role(jid);
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52 end
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53
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54 function set_jid_role(jid) --luacheck: ignore 212/jid
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55 -- TODO: figure out if there are actually legitimate uses for this...
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56 return nil, "cannot set jid role on delegation target"
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57 end
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58
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59 local default_permission_queue = array{};
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60
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61 function add_default_permission(role_name, action, policy)
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62 -- NOTE: we always record default permissions, because the delegated-to
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63 -- host may be re-activated.
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64 default_permission_queue:push({
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65 role_name = role_name,
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66 action = action,
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67 policy = policy,
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68 });
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69 local target_host_object = hosts[target_host];
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70 local authz = target_host_object and target_host_object.authz;
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71 if not authz then
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72 module:log("debug", "queueing add_default_permission call for later, %s is not active yet", target_host);
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73 return;
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74 end
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75 return authz.add_default_permission(role_name, action, policy)
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76 end
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77
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78 function get_role_by_name(role_name)
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79 return hosts[target_host].authz.get_role_by_name(role_name)
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80 end
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81
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82 function get_all_roles()
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83 return hosts[target_host].authz.get_all_roles()
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84 end
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85
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86 module:hook_global("host-activated", function(host)
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87 if host == target_host then
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88 local authz = hosts[target_host].authz;
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89 module:log("debug", "replaying %d queued permission changes", #default_permission_queue);
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90 assert(authz);
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91 -- replay default permission changes, if any
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92 for i, item in ipairs(default_permission_queue) do
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93 authz.add_default_permission(item.role_name, item.action, item.policy);
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94 end
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95 -- NOTE: we do not clear that array here -- in case the target_host is
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96 -- re-activated
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97 end
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98 end, -10000)