basic test support for rewrite conditions

lib/apache/permissions.rb

@@ -14,8 +14,8 @@ module Apache
 
     alias :allow_from_all! :allow_from_all
 
-    def allow_from(where)
+    def allow_from(*where)
-      allow "from_#{where}".to_sym
+      self << "Allow from #{quoteize(*where) * " "}"
     end
 
     def order(*args)
@@ -39,7 +39,7 @@ module Apache
 
     alias :order! :order
 
-    def basic_authentication(zone, users_file, requires)
+    def basic_authentication(zone, users_file, requires = {})
       exist? users_file
       auth_type :basic
       auth_name zone
@@ -51,7 +51,7 @@ module Apache
 
     alias :basic_authentication! :basic_authentication
 
-    def ldap_authentication(zone, url, requires)
+    def ldap_authentication(zone, url, requires = {})
       auth_type :basic
       auth_name zone
       auth_basic_provider :ldap

lib/apache/rewrites.rb

@@ -84,10 +84,17 @@ module Apache
   module RegularExpressionMatcher
     def test(from, opts = {})
       from = from.gsub(@from, @to.gsub(/\$([0-9])/) { |m| '\\' + $1 })
+      replace_placeholders(from, opts)
+    end
+
+    def replace_placeholders(s, opts)
       opts.each do |opt, value|
-        from = from.gsub('%{' + opt.to_s.upcase + '}', value)
+        case value
+          when String
+            s = s.gsub('%{' + opt.to_s.upcase + '}', value)
+        end
       end
-      from
+      s
     end
   end
 
@@ -161,6 +168,19 @@ module Apache
 
       output
     end
+
+    def test(from, opts = {})
+      ok = true
+      @conditions.each do |c|
+        ok = false if !c.test(from, opts)
+      end
+
+      if ok
+        super(from, opts)
+      else
+        replace_placeholders(from, opts)
+      end
+    end
   end
 
   class RedirectMatchPermanent < MatchableThing
@@ -174,6 +194,8 @@ module Apache
   end
 
   class RewriteCondition < MatchableThing
+    include RegularExpressionMatcher
+
     def tag; 'RewriteCond'; end
 
     def rule(from, to, *opts)
@@ -203,5 +225,25 @@ module Apache
     def to_s
       "#{tag} #{[quoteize(@from), quoteize(@to), @options].compact.flatten * " "}"
     end
+
+    def test(from, opts = {})
+      super(from, opts)
+      source = replace_placeholders(@from, opts)
+
+      result = false
+      case @to[0..0]
+        when '!'
+          result = !source[Regexp.new(@to[1..-1])]
+        when '-'
+          case @to
+            when '-f'
+              result = opts[:files].include? source if opts[:files]
+          end
+        else
+          result = source[Regexp.new(@to)]
+      end
+
+      result
+    end
   end
 end