checkpoint Blink-side work to use Apache on Windows

Tools/Scripts/webkitpy/layout_tests/port/win.py

Index: Tools/Scripts/webkitpy/layout_tests/port/win.py
diff --git a/Tools/Scripts/webkitpy/layout_tests/port/win.py b/Tools/Scripts/webkitpy/layout_tests/port/win.py
index 88e8d0de15e3ef0de01ea1ae4019f43f1fbb7b63..43846f4b6cb49f95669d48c5ee8e63db0995b662 100644
--- a/Tools/Scripts/webkitpy/layout_tests/port/win.py
+++ b/Tools/Scripts/webkitpy/layout_tests/port/win.py
@@ -28,9 +28,16 @@
 
 """Windows implementation of the Port interface."""
 
+import errno
 import os
 import logging
 
+try:
+    import _winreg
+except ImportError as e:
+    _winreg = None
+    WindowsError = Exception  # this shuts up pylint.
+
 from webkitpy.layout_tests.breakpad.dump_reader_win import DumpReaderWin
 from webkitpy.layout_tests.models import test_run_results
 from webkitpy.layout_tests.port import base
@@ -78,6 +85,44 @@ class WinPort(base.Port):
             flags += ['--enable-crash-reporter', '--crash-dumps-dir=%s' % self._dump_reader.crash_dumps_directory()]
         return flags
 
+    def check_httpd(self):
+        res = super(WinPort, self).check_httpd()
+        if self.get_option('use_apache'):
+            # In order to run CGI scripts on Win32 that use unix shebang lines, we need to
+            # create entries in the registry that remap the extensions (.pl and .cgi) to the
+            # appropriate Win32 paths. The command line arguments must match the command
+            # line arguments in the shebang line exactly.
+            if _winreg:
+                res = self._check_reg(r'.cgi\Shell\ExecCGI\Command') and res
+                res = self._check_reg(r'.pl\Shell\ExecCGI\Command') and res
+            else:
+                _log.warning("Could not check the registry; http may not work correctly.")
+
+        return res
+
+    def _check_reg(self, sub_key):
+        # see commends in check_httpd(), above, for why this routine exists and what it's doing.
+        try:
+            hkey = _winreg.OpenKey(_winreg.HKEY_CLASSES_ROOT, sub_key)
+            args = _winreg.QueryValue(hkey, '').split()
+            _winreg.CloseKey(hkey)
+
+            # In order to keep multiple checkouts from stepping on each other, we simply check that an
+            # existing entry points to a valid path and has the right command line.
+            if len(args) == 2 and self._filesystem.exists(args[0]) and args[0].endswith('perl.exe') and args[1] == '-wT':
+                return True
+        except WindowsError, e:
+            if e.errno != errno.ENOENT:
+                raise e
+            # The key simply probably doesn't exist.
+            pass
+
+        cmdline = self.path_from_chromium_base('third_party', 'perl', 'perl', 'bin', 'perl.exe') + ' -wT'
+        hkey = _winreg.CreateKeyEx(_winreg.HKEY_CURRENT_USER, 'Software\\Classes\\' + sub_key, 0, _winreg.KEY_WRITE)
+        _winreg.SetValue(hkey, '', _winreg.REG_SZ, cmdline)
+        _winreg.CloseKey(hkey)
+        return True
+
     def setup_test_run(self):
         super(WinPort, self).setup_test_run()
 
@@ -105,10 +150,15 @@ class WinPort(base.Port):
         # We should add the variable to an explicit whitelist in base.Port.
         # FIXME: This is a temporary hack to get the cr-win bot online until
         # someone from the cr-win port can take a look.
+        use_apache = self.get_option('use_apache')
+        apache_envvars = ['SYSTEMDRIVE', 'SYSTEMROOT', 'TEMP', 'TMP']
         for key, value in os.environ.items():
-            if key not in env:
+            if key not in env and (not use_apache or key in apache_envvars):
                 env[key] = value
 
+        if use_apache:
+            return env
+
         # Put the cygwin directory first in the path to find cygwin1.dll.
         env["PATH"] = "%s;%s" % (self.path_from_chromium_base("third_party", "cygwin", "bin"), env["PATH"])
         # Configure the cygwin directory so that pywebsocket finds proper
@@ -144,31 +194,28 @@ class WinPort(base.Port):
         path = filename[len(self.layout_tests_dir()) + 1:]
         return path.replace('\\', '/')
 
-    #
-    # PROTECTED ROUTINES
-    #
+    def path_to_apache(self):
+        return self.path_from_chromium_base('third_party', 'apache-win32', 'bin', 'httpd.exe')
 
-    def _uses_apache(self):
-        return False
+    def path_to_apache_config_file(self):
+        return self._filesystem.join(self.layout_tests_dir(), 'http', 'conf', 'win-httpd.conf')
 
     def _lighttpd_path(self, *comps):
         return self.path_from_chromium_base('third_party', 'lighttpd', 'win', *comps)
 
-    def _path_to_apache(self):
-        return self.path_from_chromium_base('third_party', 'cygwin', 'usr', 'sbin', 'httpd')
-
-    def _path_to_apache_config_file(self):
-        return self._filesystem.join(self.layout_tests_dir(), 'http', 'conf', 'cygwin-httpd.conf')
-
-    def _path_to_lighttpd(self):
+    def path_to_lighttpd(self):
         return self._lighttpd_path('LightTPD.exe')
 
-    def _path_to_lighttpd_modules(self):
+    def path_to_lighttpd_modules(self):
         return self._lighttpd_path('lib')
 
-    def _path_to_lighttpd_php(self):
+    def path_to_lighttpd_php(self):
         return self._lighttpd_path('php5', 'php-cgi.exe')
 
+    #
+    # PROTECTED ROUTINES
+    #
+
     def _path_to_driver(self, configuration=None):
         binary_name = '%s.exe' % self.driver_name()
         return self._build_path_with_configuration(configuration, binary_name)