/*
     This file is part of GNUnet.
     Copyright (C) 2009, 2010 GNUnet e.V.

     GNUnet is free software: you can redistribute it and/or modify it
     under the terms of the GNU Affero General Public License as published
     by the Free Software Foundation, either version 3 of the License,
     or (at your option) any later version.

     GNUnet is distributed in the hope that it will be useful, but
     WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Affero General Public License for more details.

     You should have received a copy of the GNU Affero General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.

     SPDX-License-Identifier: AGPL3.0-or-later
 */
/**
 * @file transport/test_http_common.c
 * @brief base test case for common http functionality
 */
#include "platform.h"
#include "gnunet_transport_service.h"
#include "transport-testing.h"
#include "plugin_transport_http_common.h"


static void
clean(struct SplittedHTTPAddress *addr)
{
  if (NULL == addr)
    return;
  GNUNET_free_non_null(addr->host);
  GNUNET_free_non_null(addr->path);
  GNUNET_free_non_null(addr->protocol);
  GNUNET_free(addr);
}


static int
check(struct SplittedHTTPAddress *addr,
      const char *protocol,
      const char *host,
      int port,
      const char *path)
{
  if (NULL == addr)
    return GNUNET_NO;
  if (((NULL == addr->protocol) && (NULL != protocol)) ||
      ((NULL != addr->protocol) && (NULL == protocol)))
    {
      GNUNET_break(0);
      return GNUNET_NO;
    }
  else if ((NULL != addr->protocol) && (NULL != protocol))
    {
      if (0 != strcmp(addr->protocol, protocol))
        {
          GNUNET_break(0);
          return GNUNET_NO;
        }
    }

  if (((NULL == addr->host) && (NULL != host)) ||
      ((NULL != addr->host) && (NULL == host)))
    {
      GNUNET_break(0);
      return GNUNET_NO;
    }
  else if ((NULL != addr->host) && (NULL != host))
    {
      if (0 != strcmp(addr->host, host))
        {
          GNUNET_break(0);
          return GNUNET_NO;
        }
    }

  if (((NULL == addr->path) && (NULL != path)) ||
      ((NULL != addr->path) && (NULL == path)))
    {
      GNUNET_break(0);
      return GNUNET_NO;
    }
  else if ((NULL != addr->path) && (NULL != path))
    {
      if (0 != strcmp(addr->path, path))
        {
          GNUNET_break(0);
          return GNUNET_NO;
        }
    }

  if ((addr->port != port))
    {
      GNUNET_break(0);
      return GNUNET_NO;
    }
  return GNUNET_OK;
}


static int
check_pass(const char *src,
           const char *protocol,
           const char *host,
           int port,
           const char *path)
{
  struct SplittedHTTPAddress *spa;

  spa = http_split_address(src);
  if (NULL == spa)
    {
      GNUNET_break(0);
      return GNUNET_SYSERR;
    }
  if (GNUNET_OK != check(spa, protocol, host, port, path))
    {
      clean(spa);
      GNUNET_break(0);
      return GNUNET_SYSERR;
    }
  clean(spa);
  return GNUNET_OK;
}


static int
check_fail(const char *src)
{
  struct SplittedHTTPAddress * spa;

  spa = http_split_address(src);
  if (NULL != spa)
    {
      GNUNET_break(0);
      clean(spa);
      return GNUNET_SYSERR;
    }
  return GNUNET_OK;
}


static void
test_pass_hostname()
{
  check_pass("http://test.local", "http", "test.local", HTTP_DEFAULT_PORT, "");
  check_pass("http://test.local/", "http", "test.local", HTTP_DEFAULT_PORT, "/");
  check_pass("http://test.local/path", "http", "test.local", HTTP_DEFAULT_PORT, "/path");
  check_pass("http://test.local/path/", "http", "test.local", HTTP_DEFAULT_PORT, "/path/");
  check_pass("http://test.local/path/more", "http", "test.local", HTTP_DEFAULT_PORT, "/path/more");
  check_pass("http://test.local:81", "http", "test.local", 81, "");
  check_pass("http://test.local:81/", "http", "test.local", 81, "/");
  check_pass("http://test.local:81/path", "http", "test.local", 81, "/path");
  check_pass("http://test.local:81/path/", "http", "test.local", 81, "/path/");
  check_pass("http://test.local:81/path/more", "http", "test.local", 81, "/path/more");
}


static void
test_pass_ipv4()
{
  check_pass("http://127.0.0.1", "http", "127.0.0.1", HTTP_DEFAULT_PORT, "");
  check_pass("http://127.0.0.1/", "http", "127.0.0.1", HTTP_DEFAULT_PORT, "/");
  check_pass("http://127.0.0.1/path", "http", "127.0.0.1", HTTP_DEFAULT_PORT, "/path");
  check_pass("http://127.0.0.1/path/", "http", "127.0.0.1", HTTP_DEFAULT_PORT, "/path/");
  check_pass("http://127.0.0.1:81", "http", "127.0.0.1", 81, "");
  check_pass("http://127.0.0.1:81/", "http", "127.0.0.1", 81, "/");
  check_pass("http://127.0.0.1:81/path", "http", "127.0.0.1", 81, "/path");
  check_pass("http://127.0.0.1:81/path/", "http", "127.0.0.1", 81, "/path/");
  check_pass("http://127.0.0.1:81/path/more", "http", "127.0.0.1", 81, "/path/more");
}


static void
test_fail_ipv6()
{
  check_pass("http://[::1]", "http", "[::1]", HTTP_DEFAULT_PORT, "");
  check_pass("http://[::1]/", "http", "[::1]", HTTP_DEFAULT_PORT, "/");
  check_pass("http://[::1]/path", "http", "[::1]", HTTP_DEFAULT_PORT, "/path");
  check_pass("http://[::1]/path/", "http", "[::1]", HTTP_DEFAULT_PORT, "/path/");
  check_pass("http://[::1]:81", "http", "[::1]", 81, "");
  check_pass("http://[::1]:81/", "http", "[::1]", 81, "/");
  check_pass("http://[::1]:81/path", "http", "[::1]", 81, "/path");
  check_pass("http://[::1]:81/path/", "http", "[::1]", 81, "/path/");
  check_pass("http://[::1]:81/path/more", "http", "[::1]", 81, "/path/more");
}


static void
test_fail()
{
  if (GNUNET_SYSERR == check_fail(""))
    GNUNET_break(0);
  if (GNUNET_SYSERR == check_fail("http"))
    GNUNET_break(0);
  if (GNUNET_SYSERR == check_fail("://"))
    GNUNET_break(0);
  if (GNUNET_SYSERR == check_fail("http://"))
    GNUNET_break(0);
  if (GNUNET_SYSERR == check_fail("//localhost"))
    GNUNET_break(0);
  if (GNUNET_SYSERR == check_fail("//:80"))
    GNUNET_break(0);
  if (GNUNET_SYSERR == check_fail("//:80/"))
    GNUNET_break(0);
  if (GNUNET_SYSERR == check_fail("//:80:"))
    GNUNET_break(0);
  if (GNUNET_SYSERR == check_fail("http://localhost:a/"))
    GNUNET_break(0);
  if (GNUNET_SYSERR == check_fail("http://127.0.0.1:a/"))
    GNUNET_break(0);
}


int
main(int argc, char *argv[])
{
  int ret = 0;
  struct SplittedHTTPAddress * spa;

  GNUNET_log_setup("test", "DEBUG", NULL);
  spa = http_split_address("");
  if (NULL != spa)
    {
      clean(spa);
      spa = NULL;
      GNUNET_break(0);
    }

  spa = http_split_address("http://");
  if (NULL != spa)
    {
      clean(spa);
      GNUNET_break(0);
    }

  spa = http_split_address("://");
  if (NULL != spa)
    {
      clean(spa);
      GNUNET_break(0);
    }

  test_pass_hostname();
  test_pass_ipv4();
  test_fail_ipv6();
  test_fail();

  return ret;
}

/* end of test_http_common.c */