X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/72d7d41944006d1f48f570784dafe56b9812b0c8..49dabf8a44770ab79960ceb91b08c2cb19eb2730:/services/api/lib/record_filters.rb

diff --git a/services/api/lib/record_filters.rb b/services/api/lib/record_filters.rb
index 409e48a6f0..b15207b14e 100644
--- a/services/api/lib/record_filters.rb
+++ b/services/api/lib/record_filters.rb
@@ -136,21 +136,38 @@ module RecordFilters
             raise ArgumentError.new("Invalid operator for subproperty search '#{operator}'")
           end
         elsif operator == "exists"
-          if col.type != :jsonb
+          if col.nil? or col.type != :jsonb
             raise ArgumentError.new("Invalid attribute '#{attr}' for operator '#{operator}' in filter")
           end
 
           cond_out << "jsonb_exists(#{attr_table_name}.#{attr}, ?)"
           param_out << operand
+        elsif expr = /^ *\( *(\w+) *(<=?|>=?|=) *(\w+) *\) *$/.match(attr)
+          if operator != '=' || ![true,"true"].index(operand)
+            raise ArgumentError.new("Invalid expression filter '#{attr}': subsequent elements must be [\"=\", true]")
+          end
+          operator = expr[2]
+          attr1, attr2 = expr[1], expr[3]
+          allowed = attr_model_class.searchable_columns(operator)
+          [attr1, attr2].each do |tok|
+            if !allowed.index(tok)
+              raise ArgumentError.new("Invalid attribute in expression: '#{tok}'")
+            end
+            col = attr_model_class.columns.select { |c| c.name == tok }.first
+            if col.type != :integer
+              raise ArgumentError.new("Non-numeric attribute in expression: '#{tok}'")
+            end
+          end
+          cond_out << "#{attr1} #{operator} #{attr2}"
         else
           if !attr_model_class.searchable_columns(operator).index(attr) &&
              !(col.andand.type == :jsonb && ['contains', '=', '<>', '!='].index(operator))
             raise ArgumentError.new("Invalid attribute '#{attr}' in filter")
           end
+          attr_type = attr_model_class.attribute_column(attr).type
 
           case operator
           when '=', '<', '<=', '>', '>=', '!=', 'like', 'ilike'
-            attr_type = attr_model_class.attribute_column(attr).type
             operator = '<>' if operator == '!='
             if operand.is_a? String
               if attr_type == :boolean
@@ -164,8 +181,8 @@ module RecordFilters
                 when '0', 'f', 'false', 'n', 'no'
                   operand = false
                 else
-                  raise ArgumentError("Invalid operand '#{operand}' for " \
-                                      "boolean attribute '#{attr}'")
+                  raise ArgumentError.new("Invalid operand '#{operand}' for " \
+                                          "boolean attribute '#{attr}'")
                 end
               end
               if operator == '<>'
@@ -189,6 +206,10 @@ module RecordFilters
               cond_out << "#{attr_table_name}.#{attr} #{operator} ?"
               param_out << operand
             elsif (attr_type == :integer)
+              if !operand.is_a?(Integer) || operand.bit_length > 64
+                raise ArgumentError.new("Invalid operand '#{operand}' "\
+                                        "for integer attribute '#{attr}'")
+              end
               cond_out << "#{attr_table_name}.#{attr} #{operator} ?"
               param_out << operand
             else
@@ -196,17 +217,24 @@ module RecordFilters
                                       "for '#{operator}' operator in filters")
             end
           when 'in', 'not in'
-            if operand.is_a? Array
-              cond_out << "#{attr_table_name}.#{attr} #{operator} (?)"
-              param_out << operand
-              if operator == 'not in' and not operand.include?(nil)
-                # explicitly allow NULL
-                cond_out[-1] = "(#{cond_out[-1]} OR #{attr_table_name}.#{attr} IS NULL)"
-              end
-            else
+            if !operand.is_a? Array
               raise ArgumentError.new("Invalid operand type '#{operand.class}' "\
                                       "for '#{operator}' operator in filters")
             end
+            if attr_type == :integer
+              operand.each do |el|
+                if !el.is_a?(Integer) || el.bit_length > 64
+                  raise ArgumentError.new("Invalid element '#{el}' in array "\
+                                          "for integer attribute '#{attr}'")
+                end
+              end
+            end
+            cond_out << "#{attr_table_name}.#{attr} #{operator} (?)"
+            param_out << operand
+            if operator == 'not in' and not operand.include?(nil)
+              # explicitly allow NULL
+              cond_out[-1] = "(#{cond_out[-1]} OR #{attr_table_name}.#{attr} IS NULL)"
+            end
           when 'is_a'
             operand = [operand] unless operand.is_a? Array
             cond = []