/*

 * 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 "common.h"

#include "git2/cred_helpers.h"

int git_cred_userpass(

		git_cred **cred,

		const char *url,

		const char *user_from_url,

		unsigned int allowed_types,

		void *payload)

{

	git_cred_userpass_payload *userpass = (git_cred_userpass_payload*)payload;

	const char *effective_username = NULL;

	GIT_UNUSED(url);

	if (!userpass || !userpass->password) return -1;

	/* Username resolution: a username can be passed with the URL, the

	 * credentials payload, or both. Here's what we do.  Note that if we get

	 * this far, we know that any password the url may contain has already

	 * failed at least once, so we ignore it.

	 *

	 * |  Payload    |   URL    |   Used    |

	 * +-------------+----------+-----------+

	 * |    yes      |   no     |  payload  |

	 * |    yes      |   yes    |  payload  |

	 * |    no       |   yes    |  url      |

	 * |    no       |   no     |  FAIL     |

	 */

	if (userpass->username)

		effective_username = userpass->username;

	else if (user_from_url)

		effective_username = user_from_url;

	else

		return -1;

	if (GIT_CREDTYPE_USERNAME & allowed_types)

		return git_cred_username_new(cred, effective_username);

	if ((GIT_CREDTYPE_USERPASS_PLAINTEXT & allowed_types) == 0 ||

			git_cred_userpass_plaintext_new(cred, effective_username, userpass->password) < 0)

		return -1;

	return 0;

}