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Enhanced permissions calculation which now supports the idea of bind/unbind

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and 'all'.
This commit is contained in:
Andrew McMillan 2006-12-11 12:37:07 +13:00
parent 7f9653c783
commit 3f3804cd43
1 changed files with 16 additions and 2 deletions
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18
dba/caldav_functions.sql
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@ -225,7 +225,9 @@ DECLARE
in_to ALIAS FOR $2;
out_confers TEXT;
tmp_confers TEXT;
tmp_txt TEXT;
dbg TEXT DEFAULT '''';
counter INT;
BEGIN
-- Self can always have full access
IF in_from = in_to THEN
@ -251,10 +253,22 @@ BEGIN
IF out_confers = tmp_confers THEN
RETURN dbg || out_confers;
ELSE
IF length( out_confers ) < length( tmp_confers ) THEN
IF tmp_confers ~* ''A'' AND NOT tmp_confers ~* ''BRWU'' THEN
-- Ensure that A is expanded to all privs
tmp_confers := tmp_confers || ''BRWU'';
END IF;
IF (SELECT substring(setting,1,3)::numeric >= 8.1 FROM pg_settings WHERE name = ''server_version'') THEN
-- PostgreSQL 8.1 or later. regexp_replace exists!
out_confers := regexp_replace( out_confers, ''([^'' || tmp_confers || '']*)'', '''' );
RETURN dbg || out_confers;
ELSE
RETURN dbg || tmp_confers;
tmp_txt = '''';
FOR counter IN 1 .. length(tmp_confers) LOOP
IF out_confers ~* substring(tmp_confers,counter,1) THEN
tmp_txt := tmp_txt || substring(tmp_confers,counter,1);
END IF;
END LOOP;
RETURN dbg || tmp_txt;
END IF;
END IF;
END IF;