1 files changed, 54 insertions, 0 deletions
diff --git a/Tools/Scripts/webkitpy/common/net/htdigestparser.py b/Tools/Scripts/webkitpy/common/net/htdigestparser.py
new file mode 100644
index 000000000..ee7d5405d
--- /dev/null
+++ b/Tools/Scripts/webkitpy/common/net/htdigestparser.py
@@ -0,0 +1,54 @@
+# Copyright (C) 2011 Apple Inc. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1.  Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+# 2.  Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR
+# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""htdigestparser - a parser for htdigest files"""
+
+import hashlib
+import string
+
+
+class HTDigestParser(object):
+    def __init__(self, digest_file):
+        self._entries = self.parse_file(digest_file)
+
+    def authenticate(self, username, realm, password):
+        hashed_password = hashlib.md5(':'.join((username, realm, password))).hexdigest()
+        return [username, realm, hashed_password] in self.entries()
+
+    def entries(self):
+        return self._entries
+
+    def parse_file(self, digest_file):
+        entries = [line.rstrip().split(':') for line in digest_file]
+
+        # Perform some sanity-checking to ensure the file is valid.
+        valid_characters = set(string.hexdigits)
+        for entry in entries:
+            if len(entry) != 3:
+                return []
+            hashed_password = entry[-1]
+            if len(hashed_password) != 32:
+                return []
+            if not set(hashed_password).issubset(valid_characters):
+                return []
+
+        return entries