mirror of
https://github.com/moparisthebest/spdylay
synced 2024-11-15 22:15:14 -05:00
332 lines
9.2 KiB
C++
332 lines
9.2 KiB
C++
/*
|
|
* Spdylay - SPDY Library
|
|
*
|
|
* Copyright (c) 2012 Tatsuhiro Tsujikawa
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining
|
|
* a copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sublicense, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be
|
|
* included in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
|
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
#include "uri.h"
|
|
|
|
#include <cerrno>
|
|
#include <cstdio>
|
|
#include <vector>
|
|
|
|
#include "util.h"
|
|
|
|
namespace spdylay {
|
|
|
|
namespace uri {
|
|
|
|
UriStruct::UriStruct()
|
|
: port(0), hasPassword(false), ipv6LiteralAddress(false)
|
|
{}
|
|
|
|
UriStruct::UriStruct(const UriStruct& c)
|
|
: protocol(c.protocol),
|
|
host(c.host),
|
|
port(c.port),
|
|
dir(c.dir),
|
|
file(c.file),
|
|
query(c.query),
|
|
username(c.username),
|
|
password(c.password),
|
|
hasPassword(c.hasPassword),
|
|
ipv6LiteralAddress(c.ipv6LiteralAddress)
|
|
{}
|
|
|
|
UriStruct::~UriStruct() {}
|
|
|
|
UriStruct& UriStruct::operator=(const UriStruct& c)
|
|
{
|
|
if(this != &c) {
|
|
protocol = c.protocol;
|
|
host = c.host;
|
|
port = c.port;
|
|
dir = c.dir;
|
|
file = c.file;
|
|
query = c.query;
|
|
username = c.username;
|
|
password = c.password;
|
|
hasPassword = c.hasPassword;
|
|
ipv6LiteralAddress = c.ipv6LiteralAddress;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
void UriStruct::swap(UriStruct& other)
|
|
{
|
|
using std::swap;
|
|
if(this != &other) {
|
|
swap(protocol, other.protocol);
|
|
swap(host, other.host);
|
|
swap(port, other.port);
|
|
swap(dir, other.dir);
|
|
swap(file, other.file);
|
|
swap(query, other.query);
|
|
swap(username, other.username);
|
|
swap(password, other.password);
|
|
swap(hasPassword, other.hasPassword);
|
|
swap(ipv6LiteralAddress, other.ipv6LiteralAddress);
|
|
}
|
|
}
|
|
|
|
void swap(UriStruct& lhs, UriStruct& rhs)
|
|
{
|
|
lhs.swap(rhs);
|
|
}
|
|
|
|
bool parse(UriStruct& result, const std::string& uri)
|
|
{
|
|
// http://user:password@aria2.sourceforge.net:80/dir/file?query#fragment
|
|
// | || || | | | |
|
|
// | || hostLast| | | | |
|
|
// | || portFirst| | | |
|
|
// authorityFirst || authorityLast | | |
|
|
// || | | | |
|
|
// userInfoLast | | | |
|
|
// | | | | |
|
|
// hostPortFirst | | | |
|
|
// | | | |
|
|
// dirFirst dirLast| |
|
|
// | |
|
|
// queryFirst fragmentFirst
|
|
|
|
// find fragment part
|
|
std::string::const_iterator fragmentFirst = uri.begin();
|
|
for(; fragmentFirst != uri.end(); ++fragmentFirst) {
|
|
if(*fragmentFirst == '#') break;
|
|
}
|
|
// find query part
|
|
std::string::const_iterator queryFirst = uri.begin();
|
|
for(; queryFirst != fragmentFirst; ++queryFirst) {
|
|
if(*queryFirst == '?') break;
|
|
}
|
|
result.query.assign(queryFirst, fragmentFirst);
|
|
// find protocol
|
|
std::string::size_type protocolOffset = uri.find("://");
|
|
if(protocolOffset == std::string::npos) return false;
|
|
result.protocol.assign(uri.begin(), uri.begin()+protocolOffset);
|
|
uint16_t defPort;
|
|
if(result.protocol == "http") {
|
|
defPort = 80;
|
|
} else if(result.protocol == "https") {
|
|
defPort = 443;
|
|
} else {
|
|
return false;
|
|
}
|
|
// find authority
|
|
std::string::const_iterator authorityFirst = uri.begin()+protocolOffset+3;
|
|
std::string::const_iterator authorityLast = authorityFirst;
|
|
for(; authorityLast != queryFirst; ++authorityLast) {
|
|
if(*authorityLast == '/') break;
|
|
}
|
|
if(authorityFirst == authorityLast) {
|
|
// No authority found
|
|
return false;
|
|
}
|
|
// find userinfo(username and password) in authority if they exist
|
|
result.username = "";
|
|
result.password = "";
|
|
result.hasPassword = false;
|
|
std::string::const_iterator userInfoLast = authorityLast;
|
|
std::string::const_iterator hostPortFirst = authorityFirst;
|
|
for(; userInfoLast != authorityFirst-1; --userInfoLast) {
|
|
if(*userInfoLast == '@') {
|
|
hostPortFirst = userInfoLast;
|
|
++hostPortFirst;
|
|
std::string::const_iterator userLast = authorityFirst;
|
|
for(; userLast != userInfoLast; ++userLast) {
|
|
if(*userLast == ':') {
|
|
result.password =
|
|
util::percentDecode(userLast+1,userInfoLast);
|
|
result.hasPassword = true;
|
|
break;
|
|
}
|
|
}
|
|
result.username =
|
|
util::percentDecode(authorityFirst, userLast);
|
|
break;
|
|
}
|
|
}
|
|
std::string::const_iterator hostLast = hostPortFirst;
|
|
std::string::const_iterator portFirst = authorityLast;
|
|
result.ipv6LiteralAddress = false;
|
|
if(*hostPortFirst == '[') {
|
|
// Detected IPv6 literal address in square brackets
|
|
for(; hostLast != authorityLast; ++hostLast) {
|
|
if(*hostLast == ']') {
|
|
++hostLast;
|
|
if(hostLast == authorityLast) {
|
|
result.ipv6LiteralAddress = true;
|
|
} else {
|
|
if(*hostLast == ':') {
|
|
portFirst = hostLast;
|
|
++portFirst;
|
|
result.ipv6LiteralAddress = true;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
if(!result.ipv6LiteralAddress) {
|
|
return false;
|
|
}
|
|
} else {
|
|
for(; hostLast != authorityLast; ++hostLast) {
|
|
if(*hostLast == ':') {
|
|
portFirst = hostLast;
|
|
++portFirst;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if(hostPortFirst == hostLast) {
|
|
// No host
|
|
return false;
|
|
}
|
|
if(portFirst == authorityLast) {
|
|
// If port is not specified, then we set it to default port of
|
|
// its protocol..
|
|
result.port = defPort;
|
|
} else {
|
|
errno = 0;
|
|
uint32_t tempPort = strtol(std::string(portFirst, authorityLast).c_str(),
|
|
0, 10);
|
|
if(errno != 0) {
|
|
return false;
|
|
} else if(65535 < tempPort) {
|
|
return false;
|
|
}
|
|
result.port = tempPort;
|
|
}
|
|
if(result.ipv6LiteralAddress) {
|
|
result.host.assign(hostPortFirst+1, hostLast-1);
|
|
} else {
|
|
result.host.assign(hostPortFirst, hostLast);
|
|
}
|
|
// find directory and file part
|
|
std::string::const_iterator dirLast = authorityLast;
|
|
for(std::string::const_iterator i = authorityLast;
|
|
i != queryFirst; ++i) {
|
|
if(*i == '/') {
|
|
dirLast = i+1;
|
|
}
|
|
}
|
|
if(dirLast == queryFirst) {
|
|
result.file = "";
|
|
} else {
|
|
result.file.assign(dirLast, queryFirst);
|
|
}
|
|
// dirFirst == authorityLast
|
|
if(authorityLast == dirLast) {
|
|
result.dir = "/";
|
|
} else {
|
|
result.dir.assign(authorityLast, dirLast);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
std::string construct(const UriStruct& us)
|
|
{
|
|
std::string res;
|
|
res += us.protocol;
|
|
res += "://";
|
|
if(!us.username.empty()) {
|
|
res += util::percentEncode(us.username);
|
|
if(us.hasPassword) {
|
|
res += ":";
|
|
res += util::percentEncode(us.password);
|
|
}
|
|
res += "@";
|
|
}
|
|
if(us.ipv6LiteralAddress) {
|
|
res += "[";
|
|
res += us.host;
|
|
res += "]";
|
|
} else {
|
|
res += us.host;
|
|
}
|
|
uint16_t defPort;
|
|
if(us.protocol == "http") {
|
|
defPort = 80;
|
|
} else if(us.protocol == "https") {
|
|
defPort = 443;
|
|
} else {
|
|
defPort = 0;
|
|
}
|
|
if(us.port != 0 && defPort != us.port) {
|
|
char temp[10];
|
|
snprintf(temp, sizeof(temp), ":%u", us.port);
|
|
res += temp;
|
|
}
|
|
res += us.dir;
|
|
if(us.dir.empty() || us.dir[us.dir.size()-1] != '/') {
|
|
res += "/";
|
|
}
|
|
res += us.file;
|
|
res += us.query;
|
|
return res;
|
|
}
|
|
|
|
std::string joinUri(const std::string& baseUri, const std::string& uri)
|
|
{
|
|
UriStruct us;
|
|
if(parse(us, uri)) {
|
|
return uri;
|
|
} else {
|
|
UriStruct bus;
|
|
if(!parse(bus, baseUri)) {
|
|
return uri;
|
|
}
|
|
std::vector<std::string> parts;
|
|
if(uri.empty() || uri[0] != '/') {
|
|
util::split(bus.dir.begin(), bus.dir.end(), std::back_inserter(parts),
|
|
'/');
|
|
}
|
|
std::string::const_iterator qend;
|
|
for(qend = uri.begin(); qend != uri.end(); ++qend) {
|
|
if(*qend == '#') {
|
|
break;
|
|
}
|
|
}
|
|
std::string::const_iterator end;
|
|
for(end = uri.begin(); end != qend; ++end) {
|
|
if(*end == '?') {
|
|
break;
|
|
}
|
|
}
|
|
util::split(uri.begin(), end, std::back_inserter(parts), '/');
|
|
bus.dir.clear();
|
|
bus.file.clear();
|
|
bus.query.clear();
|
|
std::string res = construct(bus);
|
|
res += util::joinPath(parts.begin(), parts.end());
|
|
if((uri.begin() == end || *(end-1) == '/') && *(res.end()-1) != '/') {
|
|
res += "/";
|
|
}
|
|
res.append(end, qend);
|
|
return res;
|
|
}
|
|
}
|
|
|
|
} // namespace uri
|
|
|
|
} // namespace spdylay
|