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src: Use case-insensitive match when parsing Link header field

This commit is contained in:
Tatsuhiro Tsujikawa 2015-02-10 23:29:45 +09:00
parent 7fa62c9904
commit 07fdaaba45
2 changed files with 16 additions and 7 deletions
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14
src/http2.cc
View File

@ -771,7 +771,7 @@ parse_next_link_header_once(const char *first, const char *last) {
static const char PLT[] = "preload";
static const size_t PLTLEN = sizeof(PLT) - 1;
if (first + PLPLEN < last && *(first + PLPLEN - 1) == '"' &&
std::equal(PLP, PLP + PLPLEN, first)) {
std::equal(PLP, PLP + PLPLEN, first, util::CaseCmp())) {
// we have to search preload in whitespace separated list:
// rel="preload something http://example.org/foo"
first += PLPLEN;
@ -786,8 +786,8 @@ parse_next_link_header_once(const char *first, const char *last) {
return {{{nullptr, nullptr}}, last};
}
if (!ok && start + PLTLEN == first && *(start + PLTLEN - 1) == 'd' &&
std::equal(PLT, PLT + PLTLEN, start)) {
if (!ok && start + PLTLEN == first &&
std::equal(PLT, PLT + PLTLEN, start, util::CaseCmp())) {
ok = true;
}
@ -817,7 +817,7 @@ parse_next_link_header_once(const char *first, const char *last) {
static const char PL[] = "rel=preload";
static const size_t PLLEN = sizeof(PL) - 1;
if (first + PLLEN == last) {
if (std::equal(PL, PL + PLLEN, first)) {
if (std::equal(PL, PL + PLLEN, first, util::CaseCmp())) {
ok = true;
// this is the end of sequence
return {{{url_first, url_last}}, last};
@ -825,7 +825,7 @@ parse_next_link_header_once(const char *first, const char *last) {
} else if (first + PLLEN + 1 <= last) {
switch (*(first + PLLEN)) {
case ',':
if (!std::equal(PL, PL + PLLEN, first)) {
if (!std::equal(PL, PL + PLLEN, first, util::CaseCmp())) {
break;
}
ok = true;
@ -833,7 +833,7 @@ parse_next_link_header_once(const char *first, const char *last) {
first += PLLEN + 1;
return {{{url_first, url_last}}, first};
case ';':
if (!std::equal(PL, PL + PLLEN, first)) {
if (!std::equal(PL, PL + PLLEN, first, util::CaseCmp())) {
break;
}
ok = true;
@ -847,7 +847,7 @@ parse_next_link_header_once(const char *first, const char *last) {
static const char ANCHOR[] = "anchor=";
static const size_t ANCHORLEN = sizeof(ANCHOR) - 1;
if (!ign && first + ANCHORLEN <= last) {
if (std::equal(ANCHOR, ANCHOR + ANCHORLEN, first)) {
if (std::equal(ANCHOR, ANCHOR + ANCHORLEN, first, util::CaseCmp())) {
// we only accept URI if anchor="" here.
if (first + ANCHORLEN + 2 <= last) {
if (*(first + ANCHORLEN) != '"' || *(first + ANCHORLEN + 1) != '"') {

9
src/http2_test.cc
View File

@ -627,6 +627,15 @@ void test_http2_parse_link_header(void) {
CU_ASSERT(1 == res.size());
CU_ASSERT(std::make_pair(&s[36], &s[39]) == res[0].uri);
}
{
// case-insensitive match
const char s[] = R"(<url>; rel=preload; ANCHOR="#foo", <url>; )"
R"(REL=PRELOAD, <url>; REL="foo PRELOAD bar")";
auto res = http2::parse_link_header(s, sizeof(s) - 1);
CU_ASSERT(2 == res.size());
CU_ASSERT(std::make_pair(&s[36], &s[39]) == res[0].uri);
CU_ASSERT(std::make_pair(&s[42 + 14], &s[42 + 17]) == res[1].uri);
}
}
void test_http2_path_join(void) {