/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2021 Justine Alexandra Roberts Tunney                              │
│                                                                              │
│ Permission to use, copy, modify, and/or distribute this software for         │
│ any purpose with or without fee is hereby granted, provided that the         │
│ above copyright notice and this permission notice appear in all copies.      │
│                                                                              │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
│ PERFORMANCE OF THIS SOFTWARE.                                                │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/runtime/gc.internal.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/testlib.h"
#include "net/http/escape.h"
#include "net/http/http.h"

TEST(IsAcceptableHttpRequestPath, test) {
  EXPECT_TRUE(IsAcceptableHttpRequestPath("/", 1));
  EXPECT_TRUE(IsAcceptableHttpRequestPath("/index.html", 11));
}

TEST(IsAcceptableHttpRequestPath, testDoubleSlash_notAllowed) {
  EXPECT_FALSE(IsAcceptableHttpRequestPath("//", 2));
  EXPECT_FALSE(IsAcceptableHttpRequestPath("/foo//bar", 9));
}

TEST(IsAcceptableHttpRequestPath, testDoesntStartWithSlash_notAllowed) {
  EXPECT_FALSE(IsAcceptableHttpRequestPath(NULL, 0));
  EXPECT_FALSE(IsAcceptableHttpRequestPath("*", 1));
}

TEST(IsAcceptableHttpRequestPath, testNoncanonicalDirectories_areForbidden) {
  EXPECT_FALSE(IsAcceptableHttpRequestPath("/.", 2));
  EXPECT_FALSE(IsAcceptableHttpRequestPath("/./", 3));
  EXPECT_FALSE(IsAcceptableHttpRequestPath("/../", 4));
}

TEST(IsAcceptableHttpRequestPath, testNoncanonicalWindowsDirs_areForbidden) {
  EXPECT_FALSE(IsAcceptableHttpRequestPath("\\.", 2));
  EXPECT_FALSE(IsAcceptableHttpRequestPath("\\.\\", 3));
  EXPECT_FALSE(IsAcceptableHttpRequestPath("\\..\\", 4));
}

TEST(IsAcceptableHttpRequestPath, testOverlongSlashDot_isDetected) {
  EXPECT_FALSE(IsAcceptableHttpRequestPath("/\300\256", 3));
  EXPECT_FALSE(IsAcceptableHttpRequestPath("/\300\257", 3));
  EXPECT_FALSE(IsAcceptableHttpRequestPath("\300\256\300\256", 4));
}

BENCH(IsAcceptableHttpRequestPath, bench) {
  EZBENCH2("IsAcceptableHttpRequestPath", donothing,
           IsAcceptableHttpRequestPath("/index.html", 11));
}