Mercurial > gemma
annotate schema/auth.sql @ 247:946baea3d280
Add view to list user profiles with role
To be able to GRANT privileges ON ALL TABLES IN SCHEMA,
use auth.sql last during database setup.
author | Tom Gottfried <tom@intevation.de> |
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date | Thu, 26 Jul 2018 19:33:42 +0200 |
parents | a0e2c6bb3cb3 |
children | 13ad969a9138 |
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1 BEGIN; |
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2 |
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3 -- |
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4 -- Roles, privileges and policies for the GEMMA database |
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5 -- |
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6 |
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7 -- We do not want any users to be able to create any objects |
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8 REVOKE CREATE ON SCHEMA public FROM PUBLIC; |
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9 |
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10 -- |
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11 -- Privileges for waterway_user |
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12 -- |
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13 GRANT USAGE ON SCHEMA users, waterway TO waterway_user; |
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14 GRANT SELECT ON ALL TABLES IN SCHEMA public, users, waterway TO waterway_user; |
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15 |
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16 -- |
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17 -- Extended privileges for waterway_admin |
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18 -- |
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19 GRANT INSERT, UPDATE ON ALL TABLES IN SCHEMA waterway TO waterway_admin; |
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20 -- TODO: will there ever be UPDATEs or can we drop that due to historicisation? |
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21 GRANT INSERT, UPDATE, DELETE ON |
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22 users.templates, users.user_templates TO waterway_admin; |
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23 |
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24 -- |
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25 -- Extended privileges for sys_admin |
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26 -- |
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27 GRANT INSERT, UPDATE, DELETE |
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28 ON users.responsibility_areas TO sys_admin; |
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29 GRANT USAGE ON SCHEMA sys_admin TO sys_admin; |
247
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30 GRANT SELECT ON ALL TABLES IN SCHEMA sys_admin TO sys_admin; |
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31 GRANT UPDATE ON sys_admin.system_config TO sys_admin; |
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32 |
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33 -- |
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34 -- RLS policies for waterway_user |
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35 -- |
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36 -- Sometimes using FOR ALL because we rely on GRANTed privileges for allowing |
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37 -- data modifications generally. |
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38 -- Sometimes using 'username IN(SELECT username FROM user_profiles)' instead |
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39 -- of 'username = current_user', because waterway_admin is intentionally |
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40 -- allowed more with these policies (note that the subselect implies different |
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41 -- policies on user_profiles depending on current_user). |
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42 -- |
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43 |
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44 -- Staging area |
182 | 45 CREATE FUNCTION create_hide_staging_policy() |
46 RETURNS void | |
47 AS $$ | |
96
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48 DECLARE the_table varchar; |
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49 BEGIN |
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50 FOREACH the_table IN ARRAY ARRAY[ |
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51 'bottlenecks', 'sounding_results'] |
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52 -- TODO: add all relevant tables here |
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53 LOOP |
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54 EXECUTE format('CREATE POLICY hide_staging ON waterway.%I ' |
96
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55 'FOR SELECT TO waterway_user USING (staging_done)', the_table); |
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56 EXECUTE format('ALTER TABLE waterway.%I ENABLE ROW LEVEL SECURITY', |
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57 the_table); |
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58 END LOOP; |
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59 END; |
182 | 60 $$ |
61 LANGUAGE plpgsql; | |
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62 SELECT create_hide_staging_policy(); |
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63 DROP FUNCTION create_hide_staging_policy; |
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64 |
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65 CREATE POLICY see_yourself ON users.user_profiles FOR SELECT TO waterway_user |
182 | 66 USING (username = current_user); |
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67 ALTER TABLE users.user_profiles ENABLE ROW LEVEL SECURITY; |
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68 |
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69 CREATE POLICY user_templates ON users.user_templates FOR ALL TO waterway_user |
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70 USING (username IN(SELECT username FROM users.user_profiles)); |
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71 ALTER TABLE users.user_templates ENABLE ROW LEVEL SECURITY; |
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72 |
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73 CREATE POLICY user_templates ON users.templates FOR ALL TO waterway_user |
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74 USING (template_name IN(SELECT template_name FROM users.user_templates)) |
182 | 75 WITH CHECK (true); |
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76 ALTER TABLE users.templates ENABLE ROW LEVEL SECURITY; |
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77 |
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78 -- |
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79 -- RLS policies for waterway_admin |
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80 -- |
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81 |
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82 -- Security-definer function to get current users country, which allows to |
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83 -- restrict the view on user_profiles by country without infinite recursion |
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84 CREATE FUNCTION current_user_country() |
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85 RETURNS users.user_profiles.country%TYPE |
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86 AS $$ |
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87 SELECT country FROM users.user_profiles WHERE username = session_user |
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88 $$ |
182 | 89 LANGUAGE SQL |
90 SECURITY DEFINER | |
91 STABLE PARALLEL SAFE; | |
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92 |
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93 -- Staging area |
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94 -- TODO: add all relevant tables here |
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95 CREATE POLICY responsibility_area ON waterway.bottlenecks |
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96 FOR ALL TO waterway_admin |
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97 USING (ST_Within(area, (SELECT area FROM users.responsibility_areas |
182 | 98 WHERE country = current_user_country()))); |
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99 CREATE POLICY responsibility_area ON waterway.sounding_results |
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100 FOR ALL TO waterway_admin |
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101 USING (ST_Within(area, (SELECT area FROM users.responsibility_areas |
182 | 102 WHERE country = current_user_country()))); |
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103 |
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104 CREATE POLICY country_profiles ON users.user_profiles |
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105 FOR SELECT TO waterway_admin |
182 | 106 USING (country = current_user_country()); |
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107 |
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108 COMMIT; |