Move base64 from 'net/base' into 'base'.

BUG=13572
TEST=none

Review URL: http://codereview.chromium.org/399068

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@32918 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 41 insertions, 0 deletions

diff --git a/base/base64.cc b/base/base64.cc
new file mode 100644
index 0000000..56a577d
--- /dev/null
+++ b/base/base64.cc
@@ -0,0 +1,41 @@
+// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/base64.h"
+
+#include "third_party/modp_b64/modp_b64.h"
+
+namespace base {
+
+bool Base64Encode(const std::string& input, std::string* output) {
+  std::string temp;
+  temp.resize(modp_b64_encode_len(input.size()));  // makes room for null byte
+
+  // null terminates result since result is base64 text!
+  int input_size = static_cast<int>(input.size());
+  int output_size= modp_b64_encode(&(temp[0]), input.data(), input_size);
+  if (output_size < 0)
+    return false;
+
+  temp.resize(output_size);  // strips off null byte
+  output->swap(temp);
+  return true;
+}
+
+bool Base64Decode(const std::string& input, std::string* output) {
+  std::string temp;
+  temp.resize(modp_b64_decode_len(input.size()));
+
+  // does not null terminate result since result is binary data!
+  int input_size = static_cast<int>(input.size());
+  int output_size = modp_b64_decode(&(temp[0]), input.data(), input_size);
+  if (output_size < 0)
+    return false;
+
+  temp.resize(output_size);
+  output->swap(temp);
+  return true;
+}
+
+}  // namespace base