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postgres: fix CIDR query (#3389)

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Caleb Doxsey 2022-06-03 12:32:01 -06:00 • committed by GitHub
parent 2b11ef10f5
commit dafead3122
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2 changed files with 23 additions and 4 deletions
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19
pkg/storage/postgres/filter.go
View file

@ -2,6 +2,7 @@ package postgres
import (
"fmt"
"net/netip"
"strings"
"github.com/pomerium/pomerium/pkg/storage"
@ -39,8 +40,12 @@ func addFilterExpressionToQuery(query *string, args *[]interface{}, expr storage
*args = append(*args, expr.Value)
return nil
case "$index":
*query += schemaName + "." + recordsTableName + ".index_cidr >>= " + fmt.Sprintf("$%d", len(*args)+1)
*args = append(*args, expr.Value)
if isCIDR(expr.Value) {
*query += schemaName + "." + recordsTableName + ".index_cidr >>= " + fmt.Sprintf("$%d", len(*args)+1)
*args = append(*args, expr.Value)
} else {
*query += " false "
}
return nil
default:
return fmt.Errorf("unsupported equals filter: %v", expr.Fields)
@ -49,3 +54,13 @@ func addFilterExpressionToQuery(query *string, args *[]interface{}, expr storage
return fmt.Errorf("unsupported filter expression: %T", expr)
}
}
func isCIDR(value string) bool {
if _, err := netip.ParsePrefix(value); err == nil {
return true
}
if _, err := netip.ParseAddr(value); err == nil {
return true
}
return false
}

8
pkg/storage/postgres/filter_test.go
View file

@ -21,12 +21,16 @@ func TestAddFilterExpressionToQuery(t *testing.T) {
Fields: []string{"$index"},
Value: "v2",
},
storage.EqualsFilterExpression{
Fields: []string{"$index"},
Value: "10.0.0.0/8",
},
},
storage.EqualsFilterExpression{
Fields: []string{"type"},
Value: "v3",
},
})
assert.Equal(t, "( ( pomerium.records.id = $1 OR pomerium.records.index_cidr >>= $2 ) AND pomerium.records.type = $3 )", query)
assert.Equal(t, []any{"v1", "v2", "v3"}, args)
assert.Equal(t, "( ( pomerium.records.id = $1 OR false OR pomerium.records.index_cidr >>= $2 ) AND pomerium.records.type = $3 )", query)
assert.Equal(t, []any{"v1", "10.0.0.0/8", "v3"}, args)
}