mirror of
https://github.com/RetroShare/RetroShare.git
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Add naif URL manipulation class RsUrl
Use RsUrl to convert sockaddre_storage from/to string
This commit is contained in:
Gioacchino Mazzurco
parent
dedfcb2b60
commit
923c383a13
@ -550,7 +550,8 @@ HEADERS += util/folderiterator.h \
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util/rstime.h \
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util/stacktrace.h \
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util/rsdeprecate.h \
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util/cxx11retrocompat.h
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util/cxx11retrocompat.h \
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util/rsurl.h
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SOURCES += ft/ftchunkmap.cc \
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ft/ftcontroller.cc \
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@ -695,7 +696,8 @@ SOURCES += util/folderiterator.cc \
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util/rsrandom.cc \
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util/rstickevent.cc \
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util/rsrecogn.cc \
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util/rstime.cc
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util/rstime.cc \
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util/rsurl.cc
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upnp_miniupnpc {
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@ -133,6 +133,7 @@ bool sockaddr_storage_sameip(const struct sockaddr_storage &addr, const struct s
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// string,
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std::string sockaddr_storage_tostring(const struct sockaddr_storage &addr);
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bool sockaddr_storage_fromString(const std::string& str, sockaddr_storage &addr);
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std::string sockaddr_storage_familytostring(const struct sockaddr_storage &addr);
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std::string sockaddr_storage_iptostring(const struct sockaddr_storage &addr);
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std::string sockaddr_storage_porttostring(const struct sockaddr_storage &addr);
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@ -24,6 +24,8 @@
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*
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*/
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#include "util/rsurl.h"
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#include <sstream>
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#include <iomanip>
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#include <cstdlib>
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@ -491,27 +493,32 @@ bool sockaddr_storage_sameip(const struct sockaddr_storage &addr, const struct s
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std::string sockaddr_storage_tostring(const struct sockaddr_storage &addr)
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{
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std::string output;
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output += sockaddr_storage_familytostring(addr);
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RsUrl url;
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switch(addr.ss_family)
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{
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case AF_INET:
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output += "=";
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output += sockaddr_storage_iptostring(addr);
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output += ":";
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output += sockaddr_storage_porttostring(addr);
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url.setScheme("ipv4");
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break;
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case AF_INET6:
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output += "=[";
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output += sockaddr_storage_iptostring(addr);
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output += "]:";
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output += sockaddr_storage_porttostring(addr);
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url.setScheme("ipv6");
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break;
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default:
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break;
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return "INVALID_IP";
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}
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return output;
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url.setHost(sockaddr_storage_iptostring(addr))
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.setPort(sockaddr_storage_port(addr));
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return url.toString();
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}
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bool sockaddr_storage_fromString(const std::string& str, sockaddr_storage &addr)
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{
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RsUrl url(str);
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bool valid = sockaddr_storage_inet_pton(addr, url.host());
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if(url.hasPort()) sockaddr_storage_setport(addr, url.port());
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return valid;
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}
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void sockaddr_storage_dump(const sockaddr_storage & addr, std::string * outputString)
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258
libretroshare/src/util/rsurl.cc
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258
libretroshare/src/util/rsurl.cc
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@ -0,0 +1,258 @@
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/*
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* RetroShare
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* Copyright (C) 2018 Gioacchino Mazzurco <gio@eigenlab.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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//#include "util/rsurl.h"
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#include "rsurl.h"
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#include <cstdio>
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#include <algorithm>
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#include <iostream>
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#include <iomanip>
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#include <sstream>
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using namespace std;
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RsUrl::RsUrl() : mPort(0), mHasPort(false) {}
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RsUrl::RsUrl(const std::string& urlStr) : mPort(0), mHasPort(false)
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{ fromString(urlStr); }
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RsUrl& RsUrl::fromString(const std::string& urlStr)
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{
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size_t urlSize = urlStr.size();
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size_t schemeEndI = urlStr.find(schemeSeparator);
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if(schemeEndI == string::npos)
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{
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mScheme = urlStr;
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return *this;
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}
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mScheme = urlStr.substr(0, schemeEndI);
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size_t hostBeginI = schemeEndI + 3;
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if(hostBeginI >= urlSize) return *this;
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bool hasSquareBr = (urlStr[hostBeginI] == ipv6WrapOpen[0]);
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size_t hostEndI;
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if(hasSquareBr)
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{
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if(++hostBeginI >= urlSize) return *this;
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hostEndI = urlStr.find(ipv6WrapClose, hostBeginI);
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mHost = urlStr.substr(hostBeginI, hostEndI - hostBeginI - 1);
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}
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else
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{
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hostEndI = urlStr.find(pathSeparator, hostBeginI);
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hostEndI = min(hostEndI, urlStr.find(portSeparator, hostBeginI));
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hostEndI = min(hostEndI, urlStr.find(querySeparator, hostBeginI));
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hostEndI = min(hostEndI, urlStr.find(fragmentSeparator, hostBeginI));
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mHost = urlStr.substr(hostBeginI, hostEndI - hostBeginI);
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if(hostEndI == string::npos) return *this;
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}
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mHasPort = (sscanf(&urlStr[hostEndI], ":%hu", &mPort) == 1);
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size_t pathBeginI = urlStr.find(pathSeparator, hostEndI);
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size_t pathEndI = string::npos;
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if(pathBeginI != string::npos)
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{
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pathEndI = urlStr.find(querySeparator, pathBeginI);
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pathEndI = min(pathEndI, urlStr.find(fragmentSeparator, pathBeginI));
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mPath = UrlDecode(urlStr.substr(pathBeginI, pathEndI - pathBeginI));
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if(pathEndI == string::npos) return *this;
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}
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size_t queryBeginI = urlStr.find(querySeparator, schemeEndI);
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size_t queryEndI = urlStr.find(fragmentSeparator, schemeEndI);
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if(queryBeginI != string::npos)
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{
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string qStr = urlStr.substr(queryBeginI+1, queryEndI-queryBeginI-1);
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size_t kPos = 0;
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size_t assPos = qStr.find(queryAssign);
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do
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{
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size_t vEndPos = qStr.find(queryFieldSep, assPos);
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mQuery.insert( std::make_pair( qStr.substr(kPos, assPos-kPos),
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UrlDecode(qStr.substr(assPos+1, vEndPos-assPos-1))
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) );
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kPos = vEndPos+1;
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assPos = qStr.find(queryAssign, vEndPos);
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}
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while(assPos != string::npos);
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if(queryEndI == string::npos) return *this;
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}
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size_t fragmentBeginI = urlStr.find(fragmentSeparator, schemeEndI);
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if(fragmentBeginI != string::npos)
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mFragment = UrlDecode(urlStr.substr(++fragmentBeginI));
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}
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std::string RsUrl::toString() const
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{
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std::string urlStr(mScheme);
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urlStr += schemeSeparator;
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if(!mHost.empty())
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{
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if(mHost.find(ipv6Separator) != string::npos &&
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mHost[0] != ipv6WrapOpen[0] )
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urlStr += ipv6WrapOpen + mHost + ipv6WrapClose;
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else urlStr += mHost;
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}
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if(mHasPort) urlStr += portSeparator + std::to_string(mPort);
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urlStr += UrlEncode(mPath, pathSeparator);
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bool hasQuery = !mQuery.empty();
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if(hasQuery) urlStr += querySeparator;
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for(auto&& kv : mQuery)
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{
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urlStr += kv.first;
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urlStr += queryAssign;
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urlStr += UrlEncode(kv.second);
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urlStr += queryFieldSep;
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}
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if(hasQuery) urlStr.pop_back();
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if(!mFragment.empty()) urlStr += fragmentSeparator + UrlEncode(mFragment);
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return urlStr;
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}
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const std::string& RsUrl::scheme() const { return mScheme; }
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RsUrl& RsUrl::setScheme(const std::string& scheme)
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{
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mScheme = scheme;
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return *this;
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}
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const std::string& RsUrl::host() const { return mHost; }
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RsUrl& RsUrl::setHost(const std::string& host)
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{
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mHost = host;
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return *this;
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}
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bool RsUrl::hasPort() const { return mHasPort; }
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uint16_t RsUrl::port(uint16_t def) const
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{
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if(mHasPort) return mPort;
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return def;
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}
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RsUrl& RsUrl::setPort(uint16_t port)
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{
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mPort = port;
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return *this;
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}
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const std::string& RsUrl::path() const { return mPath; }
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RsUrl& RsUrl::setPath(const std::string& path)
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{
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mPath = path;
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return *this;
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}
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const std::map<std::string, std::string>& RsUrl::query() const
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{ return mQuery; }
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RsUrl& RsUrl::setQuery(const std::map<std::string, std::string>& query)
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{
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mQuery = query;
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return *this;
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}
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RsUrl& RsUrl::setQueryKV(const std::string& key, const std::string& value)
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{
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mQuery.insert(std::make_pair(key, value));
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return *this;
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}
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RsUrl& RsUrl::delQueryK(const std::string& key)
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{
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mQuery.erase(key);
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return *this;
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}
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const std::string& RsUrl::fragment() const { return mFragment; }
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RsUrl& RsUrl::setFragment(const std::string& fragment)
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{
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mFragment = fragment;
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return *this;
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}
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/*static*/ std::string RsUrl::UrlEncode( const std::string& str,
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const std::string& ignore )
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{
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ostringstream escaped;
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escaped.fill('0');
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escaped << hex;
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for (string::value_type c : str)
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{
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// Keep alphanumeric and other accepted characters intact
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if ( isalnum(c) || c == '-' || c == '_' || c == '.' || c == '~'
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|| ignore.find(c) != string::npos )
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{
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escaped << c;
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continue;
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}
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// Any other characters are percent-encoded
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escaped << uppercase;
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escaped << '%' << setw(2) << int((unsigned char) c);
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escaped << nouppercase;
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}
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return escaped.str();
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}
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/*static*/ std::string RsUrl::UrlDecode(const std::string& str)
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{
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ostringstream decoded;
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size_t len = str.size();
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size_t boundary = len-2; // % Encoded char must be at least 2 hex char
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for (size_t i = 0; i < len; ++i)
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{
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if(str[i] == '%' && i < boundary)
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{
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decoded << static_cast<char>(stoi(str.substr(++i, 2), 0, 16));
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++i;
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}
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else decoded << str[i];
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}
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return decoded.str();
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}
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/*static*/ const std::string RsUrl::schemeSeparator("://");
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/*static*/ const std::string RsUrl::ipv6WrapOpen("[");
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/*static*/ const std::string RsUrl::ipv6Separator(":");
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/*static*/ const std::string RsUrl::ipv6WrapClose("]");
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/*static*/ const std::string RsUrl::portSeparator(":");
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/*static*/ const std::string RsUrl::pathSeparator("/");
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/*static*/ const std::string RsUrl::querySeparator("?");
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/*static*/ const std::string RsUrl::queryAssign("=");
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/*static*/ const std::string RsUrl::queryFieldSep("&");
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/*static*/ const std::string RsUrl::fragmentSeparator("#");
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101
libretroshare/src/util/rsurl.h
Normal file
101
libretroshare/src/util/rsurl.h
Normal file
@ -0,0 +1,101 @@
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#pragma once
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/*
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* RetroShare
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* Copyright (C) 2018 Gioacchino Mazzurco <gio@eigenlab.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <string>
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#include <map>
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/**
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* Very simplistic and minimal URL helper class for RetroShare, after looking
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* for a small and self-contained C/C++ URL parsing and manipulation library,
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* haven't found nothing satisfactory except for implementation like QUrl that
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* rely on bigger library.
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* ATM this implementation is not standard compliant and doesn't aim to be.
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* Improvements to this are welcome.
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*
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* Anyway this should support most common URLs of the form
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* scheme://host[:port][/path][?query][#fragment]
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*/
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struct RsUrl
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{
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RsUrl();
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RsUrl(const std::string& urlStr);
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RsUrl& fromString(const std::string& urlStr);
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std::string toString() const;
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const std::string& scheme() const;
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RsUrl& setScheme(const std::string& scheme);
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const std::string& host() const;
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RsUrl& setHost(const std::string& host);
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bool hasPort() const;
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uint16_t port(uint16_t def = 0) const;
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RsUrl& setPort(uint16_t port);
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const std::string& path() const;
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RsUrl& setPath(const std::string& path);
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const std::map<std::string, std::string>& query() const;
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RsUrl& setQuery(const std::map<std::string, std::string>& query);
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RsUrl& setQueryKV(const std::string& key, const std::string& value);
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RsUrl& delQueryK(const std::string& key);
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const std::string& fragment() const;
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RsUrl& setFragment(const std::string& fragment);
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static std::string UrlEncode(const std::string& str,
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const std::string& ignoreChars = "");
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static std::string UrlDecode(const std::string& str);
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inline bool operator<(const RsUrl& rhs)
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{ return toString() < rhs.toString(); }
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inline bool operator>(const RsUrl& rhs)
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{ return toString() > rhs.toString(); }
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inline bool operator<=(const RsUrl& rhs)
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{ return toString() <= rhs.toString(); }
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inline bool operator>=(const RsUrl& rhs)
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{ return toString() >= rhs.toString(); }
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inline bool operator==(const RsUrl& rhs)
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{ return toString() == rhs.toString(); }
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inline bool operator!=(const RsUrl& rhs)
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{ return toString() != rhs.toString(); }
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static const std::string schemeSeparator;
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static const std::string ipv6WrapOpen;
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static const std::string ipv6Separator;
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static const std::string ipv6WrapClose;
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static const std::string portSeparator;
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static const std::string pathSeparator;
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static const std::string querySeparator;
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static const std::string queryAssign;
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static const std::string queryFieldSep;
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static const std::string fragmentSeparator;
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private:
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std::string mScheme;
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std::string mHost;
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uint16_t mPort;
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bool mHasPort;
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std::string mPath;
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std::map<std::string, std::string> mQuery;
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std::string mFragment;
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};
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