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annotate schema/auth.sql @ 2921:96ac7a980ec2

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Allow sys_admin to access tables in staging area without restrictions
author Tom Gottfried <tom@intevation.de>
date Wed, 03 Apr 2019 16:42:03 +0200
parents 69292eb68984
children ec6163c6687d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 -- This is Free Software under GNU Affero General Public License v >= 3.0
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2 -- without warranty, see README.md and license for details.
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3
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4 -- SPDX-License-Identifier: AGPL-3.0-or-later
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5 -- License-Filename: LICENSES/AGPL-3.0.txt
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6
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7 -- Copyright (C) 2018, 2019 by via donau
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8 -- – Österreichische Wasserstraßen-Gesellschaft mbH
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9 -- Software engineering by Intevation GmbH
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10
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11 -- Author(s):
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12 -- * Tom Gottried <tom@intevation.de>
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13 -- * Sascha Wilde <sascha.wilde@intevation.de>
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14 -- * Sascha L. Teichmann <sascha.teichmann@intevation.de>
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15
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16 BEGIN;
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17
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18 --
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19 -- Roles, privileges and policies for the GEMMA database
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20 --
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21
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22 -- We do not want any users to be able to create any objects
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23 REVOKE ALL ON SCHEMA public FROM PUBLIC;
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24
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25 --
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26 -- Privileges for waterway_user
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27 --
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28 GRANT USAGE ON SCHEMA public, users, waterway, systemconf, caching TO waterway_user;
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29 GRANT SELECT ON ALL TABLES IN SCHEMA public, users, waterway TO waterway_user;
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30 GRANT SELECT, UPDATE, DELETE, INSERT ON ALL TABLES IN SCHEMA caching TO waterway_user;
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31 GRANT SELECT ON systemconf.feature_colours TO waterway_user;
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32 GRANT UPDATE (pw, map_extent, email_address) ON users.list_users
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33 TO waterway_user;
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34
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35 --
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36 -- Extended privileges for waterway_admin
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37 --
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38 GRANT INSERT, UPDATE, DELETE ON ALL TABLES IN SCHEMA waterway
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39 TO waterway_admin;
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40 -- TODO: will there ever be UPDATEs and DELETEs or can we drop that for
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41 -- imported data due to historicisation? Special tables like
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42 -- import_configuration will further need UPDATE and DELETE privileges.
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43
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44 GRANT INSERT, UPDATE, DELETE ON
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45 users.templates TO waterway_admin;
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46 -- Ensure templates are associated to the users country, if none is given
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47 ALTER TABLE users.templates ALTER COLUMN country
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48 SET DEFAULT users.current_user_country();
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49
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50 GRANT USAGE ON SCHEMA import TO waterway_admin;
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51 GRANT SELECT, INSERT ON ALL TABLES IN SCHEMA import TO waterway_admin;
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52 GRANT UPDATE ON
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53 import.imports, import.import_configuration,
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54 import.import_configuration_attributes
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55 TO waterway_admin;
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56 GRANT DELETE ON
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57 import.track_imports, import.import_configuration,
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58 import.import_configuration_attributes
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59 TO waterway_admin;
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60
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61 --
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62 -- Extended privileges for sys_admin
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63 --
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64 GRANT INSERT, UPDATE, DELETE
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65 ON users.list_users, users.responsibility_areas TO sys_admin;
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66 GRANT USAGE ON SCHEMA sys_admin TO sys_admin;
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67 GRANT SELECT ON ALL TABLES IN SCHEMA sys_admin TO sys_admin;
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68 GRANT UPDATE ON sys_admin.system_config TO sys_admin;
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69 GRANT UPDATE ON systemconf.feature_colours TO sys_admin;
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70 GRANT UPDATE ON sys_admin.published_services TO sys_admin;
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71 GRANT INSERT, DELETE ON sys_admin.password_reset_requests TO sys_admin;
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72
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73 --
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74 -- Privileges assigned directly to metamorph
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75 --
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76 -- Needed for GeoServer's system inspection run before session startup SQL
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77 GRANT USAGE ON SCHEMA public TO metamorph;
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79 --
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80 -- RLS policies for waterway_user
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81 --
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82 -- Sometimes using FOR ALL because we rely on GRANTed privileges for allowing
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83 -- data modifications generally.
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84 -- Sometimes using 'username IN(SELECT username FROM users.list_users)' instead
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85 -- of 'username = current_user', because waterway_admin is intentionally
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86 -- allowed more with these policies (note that the subselect implies different
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87 -- filtering on list_users depending on current_user).
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88 --
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89
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90 -- Staging area
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91 DO LANGUAGE plpgsql
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92 $$
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93 DECLARE the_table varchar;
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94 BEGIN
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95 FOREACH the_table IN ARRAY ARRAY[
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96 'gauge_measurements',
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97 'stretches',
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98 'waterway_profiles',
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99 'fairway_dimensions',
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100 'bottlenecks',
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101 'sounding_results']
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102 LOOP
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103 EXECUTE format('CREATE POLICY hide_staging ON waterway.%I '
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104 'FOR SELECT TO waterway_user USING (staging_done)', the_table);
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105 EXECUTE format('CREATE POLICY sys_admin ON waterway.%I '
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106 'FOR ALL TO sys_admin USING (true)', the_table);
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107 EXECUTE format('ALTER TABLE waterway.%I ENABLE ROW LEVEL SECURITY',
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108 the_table);
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109 END LOOP;
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110 END;
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111 $$;
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112
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113 --
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114 -- RLS policies for templates
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115 --
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116 CREATE POLICY select_templates ON users.templates FOR SELECT TO waterway_user
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117 USING (country IS NULL OR country = (SELECT country FROM users.list_users WHERE username = current_user));
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118
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119 CREATE POLICY user_templates ON users.templates FOR ALL TO waterway_admin
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120 USING (country = (SELECT country FROM users.list_users WHERE username = current_user));
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121
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122 CREATE POLICY admin_templates ON users.templates FOR ALL TO sys_admin
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123 USING (true);
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124
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125 ALTER TABLE users.templates ENABLE ROW LEVEL SECURITY;
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126
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127 --
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128 -- RLS policies for waterway_admin
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129 --
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130
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131 -- Staging area
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132 -- TODO: add all relevant tables here
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133
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134 CREATE POLICY same_country ON waterway.gauge_measurements
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135 FOR ALL TO waterway_admin
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136 USING ((fk_gauge_id).country_code = (SELECT country FROM users.list_users WHERE username = current_user));
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138 CREATE POLICY same_country ON waterway.waterway_profiles
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139 FOR ALL TO waterway_admin
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140 USING ((location).country_code = (SELECT country FROM users.list_users WHERE username = current_user));
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141
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142 CREATE POLICY responsibility_area ON waterway.bottlenecks
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143 FOR ALL TO waterway_admin
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144 USING (users.utm_covers(area));
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145
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146 CREATE POLICY responsibility_area ON waterway.sounding_results
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147 FOR ALL TO waterway_admin
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148 USING (users.utm_covers(area));
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149
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150 CREATE POLICY responsibility_area ON waterway.fairway_dimensions
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151 FOR ALL TO waterway_admin
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152 USING (users.utm_covers(area));
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153
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154 --
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155 -- RLS policies for imports and import config
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156 --
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157
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158 CREATE POLICY same_country ON import.imports
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159 FOR ALL TO waterway_admin
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160 USING (users.current_user_country() = (
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161 SELECT country FROM users.list_users lu
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162 WHERE lu.username = imports.username));
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163 ALTER table import.imports ENABLE ROW LEVEL SECURITY;
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164
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165 -- The job running the import queue is running as sys_admin and login users
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166 -- with that role should be able to run imports without restrictions anyhow
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167 CREATE POLICY import_all ON import.imports
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168 FOR ALL TO sys_admin
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169 USING (true);
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170
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171 -- For the given table, check whether the given value is used as primary key,
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172 -- bypassing row level security.
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173 CREATE OR REPLACE FUNCTION import.is_new_key(
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174 tablename varchar,
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175 kv anyelement)
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176 RETURNS boolean
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177 AS $$
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178 DECLARE columnname varchar;
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179 DECLARE ret boolean;
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180 BEGIN
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181 columnname = (SELECT column_name
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182 FROM information_schema.key_column_usage k
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183 JOIN information_schema.table_constraints USING (constraint_name)
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184 WHERE k.table_name = tablename and constraint_type = 'PRIMARY KEY');
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185 EXECUTE format('SELECT NOT $1 = ANY(SELECT %I FROM import.%I)',
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186 columnname, tablename)
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187 INTO ret
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188 USING kv;
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189 RETURN ret;
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190 END;
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191 $$
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192 LANGUAGE plpgsql
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193 SECURITY DEFINER
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194 STABLE PARALLEL SAFE;
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195
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196 CREATE POLICY parent_allowed ON import.import_logs
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197 FOR ALL TO waterway_admin
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198 USING (import_id IN (SELECT id FROM import.imports))
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199 WITH CHECK (import.is_new_key('imports', import_id)
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200 OR import_id IN (SELECT id FROM import.imports));
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201 ALTER table import.import_logs ENABLE ROW LEVEL SECURITY;
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202
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203 CREATE POLICY parent_allowed ON import.track_imports
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204 FOR ALL TO waterway_admin
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205 USING (import_id IN (SELECT id FROM import.imports))
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206 WITH CHECK (import.is_new_key('imports', import_id)
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207 OR import_id IN (SELECT id FROM import.imports));
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208 ALTER table import.track_imports ENABLE ROW LEVEL SECURITY;
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209
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210 CREATE POLICY import_configuration_policy ON import.import_configuration
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211 FOR ALL TO waterway_admin
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parents: 1354
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212 USING (
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213 (SELECT country FROM users.list_users WHERE username = current_user) = (
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214 SELECT country FROM users.list_users lu
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215 WHERE lu.username = import.import_configuration.username));
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parents: 1354
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216
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217 CREATE POLICY import_configuration_policy_sys_admin ON import.import_configuration
1735
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parents: 1636
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218 FOR ALL TO sys_admin
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parents: 1636
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219 USING (true);
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220
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221 ALTER table import.import_configuration ENABLE ROW LEVEL SECURITY;
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parents: 1354
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222
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223 CREATE POLICY parent_allowed ON import.import_configuration_attributes
1834
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224 FOR ALL TO waterway_admin
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225 USING (import_configuration_id IN (
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226 SELECT id FROM import.import_configuration))
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227 WITH CHECK (
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228 import.is_new_key('import_configuration', import_configuration_id)
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229 OR import_configuration_id IN (
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230 SELECT id FROM import.import_configuration));
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231 ALTER table import.import_configuration_attributes ENABLE ROW LEVEL SECURITY;
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parents: 1832
diff changeset
232
96
d036e1bd5f00 Add roles, privileges and RLS policies.
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parents:
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233 COMMIT;