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#include <map>
#include "Http.h"
template<typename I>
const char * getMap(const std::map<I, const char *> & map, I idx, const char * defStr) {
auto t = map.find(idx);
if (t == map.end())
return defStr;
return t->second;
}
static const std::map<int, const char *> s_statusMap {
std::make_pair(100, "Continue"),
std::make_pair(101, "Switching Protocols"),
std::make_pair(200, "OK"),
std::make_pair(201, "Created"),
std::make_pair(202, "Accepted"),
std::make_pair(203, "Non-Authoritative Information"),
std::make_pair(204, "No Content"),
std::make_pair(205, "Reset Content"),
std::make_pair(206, "Partial Content"),
std::make_pair(300, "Multiple Choices"),
std::make_pair(301, "Moved Permanently"),
std::make_pair(302, "Found"),
std::make_pair(303, "See Other"),
std::make_pair(304, "Not Modified"),
std::make_pair(305, "Use Proxy"),
std::make_pair(307, "Temporary Redirect"),
std::make_pair(400, "Bad Request"),
std::make_pair(401, "Unauthorized"),
std::make_pair(402, "Payment Required"),
std::make_pair(403, "Forbidden"),
std::make_pair(404, "Not Found"),
std::make_pair(405, "Method Not Allowed"),
std::make_pair(406, "Not Acceptable"),
std::make_pair(407, "Proxy Authentication Required"),
std::make_pair(408, "Request Timeout"),
std::make_pair(409, "Conflict"),
std::make_pair(410, "Gone"),
std::make_pair(411, "Length Required"),
std::make_pair(412, "Precondition Failed"),
std::make_pair(413, "Request Entity Too Large"),
std::make_pair(414, "Request-URI Too Long"),
std::make_pair(415, "Unsupported Media Type"),
std::make_pair(416, "Requested Range Not Satisfiable"),
std::make_pair(417, "Expectation Failed"),
std::make_pair(418, "I'm a teapot"),
std::make_pair(500, "Internal Error"),
std::make_pair(501, "Not Implemented"),
std::make_pair(502, "Bad Gateway"),
std::make_pair(503, "Service Unavailable"),
std::make_pair(504, "Gateway Timeout"),
std::make_pair(505, "HTTP Version Not Supported"),
};
const char * Balau::Http::getStatusMsg(int httpStatus) {
return getMap(s_statusMap, httpStatus, "Unknown HTTP code");
}
static const std::map<const Balau::String, const char *> s_mimeMap {
std::make_pair("css", "text/css"),
std::make_pair("html", "text/html"),
std::make_pair("js", "application/javascript"),
std::make_pair("json", "application/json"),
std::make_pair("png", "image/png"),
std::make_pair("gif", "image/gif"),
};
const char * Balau::Http::getContentType(const String & extension) {
return getMap<const Balau::String>(s_mimeMap, extension, "application/octet-stream");
}
Balau::String Balau::Http::percentEncode(const String & src) {
const size_t size = src.strlen();
String ret;
ret.reserve(size);
static char toHex[] = "0123456789ABCDEF";
for (size_t i = 0; i < size; i++) {
char c = src[i];
if (((c >= '0') && (c <= '9')) || ((c >= 'A') && (c <= 'Z')) || ((c >= 'a') && (c <= 'z')) || (c == '-') || (c == '.') || (c == '_') || (c == '~')) {
ret += c;
} else {
ret += '%';
ret += toHex[c >> 4];
ret += toHex[c & 15];
}
}
return ret;
}
Balau::String Balau::Http::percentDecode(const String & src) {
const size_t size = src.strlen();
String ret;
ret.reserve(size);
for (size_t i = 0; i < size; i++) {
char c = src[i];
if (((c >= '0') && (c <= '9')) || ((c >= 'A') && (c <= 'Z')) || ((c >= 'a') && (c <= 'z')) || (c == '-') || (c == '.') || (c == '_') || (c == '~')) {
ret += c;
} else if ((c == '%') && ((i + 2) < size)) {
char h1 = src[i + 1];
char h2 = src[i + 2];
if ((h1 >= '0') && (h1 <= '9')) {
c = h1 - '0';
} else if ((h1 >= 'A') && (h1 <= 'F')) {
c = h1 - 'A' + 10;
} else {
// invalid
return ret;
}
c <<= 4;
if ((h2 >= '0') && (h2 <= '9')) {
c |= h2 - '0';
} else if ((h2 >= 'A') && (h2 <= 'F')) {
c |= h2 - 'A' + 10;
} else {
// invalid
return ret;
}
i += 2;
ret += c;
} else {
// invalid
return ret;
}
}
return ret;
}
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