Mercurial > prosody-modules

annotate mod_authz_delegate/mod_authz_delegate.lua @ 5296:0f5657db1cfc

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mod_isolate_host: handle server-generated stanzas The hook for setting the no_host_isolation is only called for c2s sessions. This does not work for stanzas generated by the server, such as PEP notifications or presence probe answers. To handle that, we do per-stanza checks for the case that the origin is local.
author Jonas Schäfer <jonas@wielicki.name>
date Sat, 01 Apr 2023 12:03:08 +0200
parents 98d5acb93439
children
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1 local target_host = assert(module:get_option("authz_delegate_to"));
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2 local this_host = module:get_host();
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3
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4 local array = require"util.array";
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5 local jid_split = import("prosody.util.jid", "split");
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6
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7 local hosts = prosody.hosts;
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8
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9 function get_jids_with_role(role) --luacheck: ignore 212/role
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10 return nil
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11 end
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12
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13 function get_user_role(user)
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14 -- this is called where the JID belongs to the host this module is loaded on
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15 -- that means we have to delegate that to get_jid_role with an appropriately composed JID
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16 return hosts[target_host].authz.get_jid_role(user .. "@" .. this_host)
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17 end
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18
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19 function set_user_role(user, role_name) --luacheck: ignore 212/user 212/role_name
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20 -- no roles for entities on this host.
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21 return false, "cannot set user role on delegation target"
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22 end
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23
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24 function get_user_secondary_roles(user) --luacheck: ignore 212/user
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25 -- no roles for entities on this host.
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26 return {}
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27 end
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28
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29 function add_user_secondary_role(user, role_name) --luacheck: ignore 212/user 212/role_name
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30 -- no roles for entities on this host.
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31 return nil, "cannot set user role on delegation target"
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32 end
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33
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34 function remove_user_secondary_role(user, role_name) --luacheck: ignore 212/user 212/role_name
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35 -- no roles for entities on this host.
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36 return nil, "cannot set user role on delegation target"
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37 end
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38
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39 function user_can_assume_role(user, role_name) --luacheck: ignore 212/user 212/role_name
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40 -- no roles for entities on this host.
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41 return false
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42 end
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43
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44 function get_jid_role(jid)
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45 local user, host = jid_split(jid);
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46 if host == target_host then
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47 return hosts[target_host].authz.get_user_role(user);
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48 end
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49 return hosts[target_host].authz.get_jid_role(jid);
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50 end
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51
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52 function set_jid_role(jid) --luacheck: ignore 212/jid
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53 -- TODO: figure out if there are actually legitimate uses for this...
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54 return nil, "cannot set jid role on delegation target"
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55 end
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56
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57 local default_permission_queue = array{};
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58
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59 function add_default_permission(role_name, action, policy)
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60 -- NOTE: we always record default permissions, because the delegated-to
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61 -- host may be re-activated.
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62 default_permission_queue:push({
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63 role_name = role_name,
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64 action = action,
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65 policy = policy,
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66 });
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67 local target_host_object = hosts[target_host];
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68 local authz = target_host_object and target_host_object.authz;
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69 if not authz then
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70 module:log("debug", "queueing add_default_permission call for later, %s is not active yet", target_host);
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71 return;
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72 end
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73 return authz.add_default_permission(role_name, action, policy)
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74 end
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75
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76 function get_role_by_name(role_name)
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77 return hosts[target_host].authz.get_role_by_name(role_name)
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78 end
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79
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80 function get_all_roles()
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81 return hosts[target_host].authz.get_all_roles()
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82 end
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83
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84 module:hook_global("host-activated", function(host)
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85 if host == target_host then
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86 local authz = hosts[target_host].authz;
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87 module:log("debug", "replaying %d queued permission changes", #default_permission_queue);
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88 assert(authz);
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89 -- replay default permission changes, if any
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90 for i, item in ipairs(default_permission_queue) do
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91 authz.add_default_permission(item.role_name, item.action, item.policy);
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92 end
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93 -- NOTE: we do not clear that array here -- in case the target_host is
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94 -- re-activated
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95 end
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96 end, -10000)