1 files changed, 71 insertions, 0 deletions
diff --git a/src/transports/auth.c b/src/transports/auth.c
new file mode 100644
index 000000000..c1154db34
--- /dev/null
+++ b/src/transports/auth.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) the libgit2 contributors. All rights reserved.
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+
+#include "git2.h"
+#include "buffer.h"
+#include "auth.h"
+
+static int basic_next_token(
+	git_buf *out, git_http_auth_context *ctx, git_cred *c)
+{
+	git_cred_userpass_plaintext *cred;
+	git_buf raw = GIT_BUF_INIT;
+	int error = -1;
+
+	GIT_UNUSED(ctx);
+
+	if (c->credtype != GIT_CREDTYPE_USERPASS_PLAINTEXT) {
+		giterr_set(GITERR_INVALID, "invalid credential type for basic auth");
+		goto on_error;
+	}
+
+	cred = (git_cred_userpass_plaintext *)c;
+
+	git_buf_printf(&raw, "%s:%s", cred->username, cred->password);
+
+	if (git_buf_oom(&raw) ||
+		git_buf_puts(out, "Authorization: Basic ") < 0 ||
+		git_buf_encode_base64(out, git_buf_cstr(&raw), raw.size) < 0 ||
+		git_buf_puts(out, "\r\n") < 0)
+		goto on_error;
+
+	error = 0;
+
+on_error:
+	if (raw.size)
+		git__memzero(raw.ptr, raw.size);
+
+	git_buf_free(&raw);
+	return error;
+}
+
+static git_http_auth_context basic_context = {
+	GIT_AUTHTYPE_BASIC,
+	GIT_CREDTYPE_USERPASS_PLAINTEXT,
+	NULL,
+	basic_next_token,
+	NULL
+};
+
+int git_http_auth_basic(
+	git_http_auth_context **out, const gitno_connection_data *connection_data)
+{
+	GIT_UNUSED(connection_data);
+
+	*out = &basic_context;
+	return 0;
+}
+
+int git_http_auth_dummy(
+	git_http_auth_context **out, const gitno_connection_data *connection_data)
+{
+	GIT_UNUSED(connection_data);
+
+	*out = NULL;
+	return 0;
+}
+