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* HTTP.cpp : use bare snprintf() instead locale-dependent strftime()

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This commit is contained in:
hagen 2018-02-10 12:39:47 +00:00
parent de849b3f6a
commit 5225e1d7d1
1 changed files with 14 additions and 3 deletions
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17
libi2pd/HTTP.cpp
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@ -21,6 +21,13 @@ namespace http {
const std::vector<std::string> HTTP_VERSIONS = { const std::vector<std::string> HTTP_VERSIONS = {
"HTTP/1.0", "HTTP/1.1" "HTTP/1.0", "HTTP/1.1"
}; };
const std::vector<const char *> weekdays = {
"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
};
const std::vector<const char *> months = {
"Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
};
inline bool is_http_version(const std::string & str) { inline bool is_http_version(const std::string & str) {
return std::find(HTTP_VERSIONS.begin(), HTTP_VERSIONS.end(), str) != std::end(HTTP_VERSIONS); return std::find(HTTP_VERSIONS.begin(), HTTP_VERSIONS.end(), str) != std::end(HTTP_VERSIONS);
@ -56,10 +63,14 @@ namespace http {
return std::make_pair(line.substr(0, pos), line.substr(pos + len)); return std::make_pair(line.substr(0, pos), line.substr(pos + len));
} }
void gen_rfc1123_date(std::string & out) { void gen_rfc7231_date(std::string & out) {
std::time_t now = std::time(nullptr); std::time_t now = std::time(nullptr);
char buf[128]; char buf[128];
std::strftime(buf, sizeof(buf), "%a, %d %b %Y %H:%M:%S GMT", std::gmtime(&now)); std::tm *tm = std::gmtime(&now);
std::snprintf(buf, sizeof(buf), "%s, %02d %s %d %02d:%02d:%02d GMT",
weekdays[tm->tm_wday], tm->tm_mday, months[tm->tm_mon],
tm->tm_year + 1900, tm->tm_hour, tm->tm_min, tm->tm_sec
);
out = buf; out = buf;
} }
@ -400,7 +411,7 @@ namespace http {
std::string HTTPRes::to_string() { std::string HTTPRes::to_string() {
if (version == "HTTP/1.1" && headers.count("Date") == 0) { if (version == "HTTP/1.1" && headers.count("Date") == 0) {
std::string date; std::string date;
gen_rfc1123_date(date); gen_rfc7231_date(date);
add_header("Date", date.c_str()); add_header("Date", date.c_str());
} }
if (status == "OK" && code != 200) if (status == "OK" && code != 200)