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Fix #503

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yhirose 2020-05-28 19:17:01 -04:00
parent 5fcd8f7795
commit b3a4045300
1 changed files with 22 additions and 12 deletions
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34
httplib.h
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@ -2283,6 +2283,27 @@ inline uint64_t get_header_value_uint64(const Headers &headers, const char *key,
return def;
}
inline void parse_header(const char *beg, const char *end, Headers &headers) {
auto p = beg;
while (p < end && *p != ':') {
p++;
}
if (p < end) {
auto key_end = p;
p++; // skip ':'
while (p < end && (*p == ' ' || *p == '\t')) {
p++;
}
if (p < end) {
auto val_begin = p;
while (p < end) {
p++;
}
headers.emplace(std::string(beg, key_end), std::string(val_begin, end));
}
}
}
inline bool read_headers(Stream &strm, Headers &headers) {
const auto bufsiz = 2048;
char buf[bufsiz];
@ -2305,18 +2326,7 @@ inline bool read_headers(Stream &strm, Headers &headers) {
end--;
}
// Horizontal tab and ' ' are considered whitespace and are ignored when on
// the left or right side of the header value:
// - https://stackoverflow.com/questions/50179659/
// - https://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html
static const std::regex re(R"(([^:]+):[\t ]*([^\t ].*))");
std::cmatch m;
if (std::regex_match(line_reader.ptr(), end, m, re)) {
auto key = std::string(m[1]);
auto val = std::string(m[2]);
headers.emplace(key, val);
}
parse_header(line_reader.ptr(), end, headers);
}
return true;