Mercurial > gemma
annotate schema/auth.sql @ 193:1585c334e8a7
More on persisting sessions.
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Fri, 20 Jul 2018 18:32:11 +0200 |
parents | 4df4e4bf480e |
children | 5dc8e734487a |
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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 SET search_path TO public, gemma, gemma_waterway, gemma_fairway; |
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7 |
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8 -- We do not want any users to be able to create any objects |
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9 REVOKE CREATE ON SCHEMA public FROM PUBLIC; |
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10 |
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11 -- |
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12 -- Privileges for waterway_user |
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13 -- |
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14 GRANT USAGE ON SCHEMA gemma, gemma_waterway, gemma_fairway TO waterway_user; |
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15 GRANT SELECT ON ALL TABLES IN SCHEMA gemma_waterway, gemma_fairway |
182 | 16 TO waterway_user; |
103
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17 GRANT SELECT ON templates, user_templates, user_profiles TO waterway_user; |
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18 |
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19 -- |
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20 -- Extended privileges for waterway_admin |
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21 -- |
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22 GRANT INSERT, UPDATE ON ALL TABLES IN SCHEMA gemma_waterway, gemma_fairway |
182 | 23 TO waterway_admin; |
96
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24 -- TODO: will there ever be UPDATEs or can we drop that due to historicisation? |
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25 GRANT INSERT, UPDATE, DELETE ON templates, user_templates TO waterway_admin; |
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26 GRANT SELECT ON responsibility_areas TO waterway_admin; |
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27 |
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28 -- |
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29 -- Extended privileges for sys_admin |
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30 -- |
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31 GRANT SELECT, INSERT, UPDATE, DELETE ON ALL TABLES IN SCHEMA gemma |
182 | 32 TO sys_admin; |
96
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33 |
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34 -- |
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35 -- RLS policies for waterway_user |
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36 -- |
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37 -- Sometimes using FOR ALL because we rely on GRANTed privileges for allowing |
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38 -- data modifications generally. |
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39 -- Sometimes using 'username IN(SELECT username FROM user_profiles)' instead |
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40 -- of 'username = current_user', because waterway_admin is intentionally |
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41 -- allowed more with these policies (note that the subselect implies different |
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42 -- policies on user_profiles depending on current_user). |
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43 -- |
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44 |
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45 -- Staging area |
182 | 46 CREATE FUNCTION create_hide_staging_policy() |
47 RETURNS void | |
48 AS $$ | |
96
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49 DECLARE the_table varchar; |
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50 BEGIN |
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51 FOREACH the_table IN ARRAY ARRAY[ |
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52 'bottlenecks', 'sounding_results'] |
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53 -- TODO: add all relevant tables here |
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54 LOOP |
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55 EXECUTE format('CREATE POLICY hide_staging ON %I ' |
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56 'FOR SELECT TO waterway_user USING (staging_done)', the_table); |
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57 EXECUTE format('ALTER TABLE %I ENABLE ROW LEVEL SECURITY', the_table); |
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58 END LOOP; |
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59 END; |
182 | 60 $$ |
61 LANGUAGE plpgsql; | |
96
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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 user_profiles FOR SELECT TO waterway_user |
182 | 66 USING (username = current_user); |
96
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67 ALTER TABLE user_profiles ENABLE ROW LEVEL SECURITY; |
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68 |
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69 CREATE POLICY user_templates ON user_templates FOR ALL TO waterway_user |
182 | 70 USING (username IN(SELECT username FROM user_profiles)); |
180
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71 ALTER TABLE user_templates ENABLE ROW LEVEL SECURITY; |
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72 |
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73 CREATE POLICY user_templates ON templates FOR ALL TO waterway_user |
182 | 74 USING (template_name IN(SELECT template_name FROM user_templates)) |
75 WITH CHECK (true); | |
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76 ALTER TABLE 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() |
182 | 85 RETURNS gemma.user_profiles.country%TYPE |
86 AS $$ SELECT country FROM user_profiles WHERE username = session_user $$ | |
87 LANGUAGE SQL | |
88 SECURITY DEFINER | |
89 STABLE PARALLEL SAFE; | |
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90 |
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91 -- Staging area |
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92 -- TODO: add all relevant tables here |
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93 CREATE POLICY responsibility_area ON bottlenecks FOR ALL TO waterway_admin |
182 | 94 USING (ST_Within(area, (SELECT area FROM responsibility_areas |
95 WHERE country = current_user_country()))); | |
96
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96 CREATE POLICY responsibility_area ON sounding_results FOR ALL TO waterway_admin |
182 | 97 USING (ST_Within(area, (SELECT area FROM responsibility_areas |
98 WHERE country = current_user_country()))); | |
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99 |
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100 CREATE POLICY country_profiles ON user_profiles FOR SELECT TO waterway_admin |
182 | 101 USING (country = current_user_country()); |
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102 |
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103 COMMIT; |