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RetroShare/retroshare-gui/src/gui/RetroShareLink.cpp
thunder2 de16f6c72d New class for working with peer names (rsid, name + location, ...) - PeerDefs. 
Show the location in brackets - "name (location)" (defined now in PeerDefs).
Renamed head of context menu in PeersDialog for ssl items.
Fixed german translation.

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@3553 b45a01b8-16f6-495d-af2f-9b41ad6348cc
2010-09-28 20:33:34 +00:00

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/***************************************************************************
* Copyright (C) 2009 *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include <iostream>
#include <QStringList>
#include <QRegExp>
#include <QApplication>
#include <QMimeData>
#include <QClipboard>
#include <QDesktopServices>
#include <QMessageBox>
#include <QIcon>
#include <QObject>
#include "RetroShareLink.h"
#include "util/misc.h"
#include "common/PeerDefs.h"
#include <retroshare/rsfiles.h>
#include <retroshare/rspeers.h>
#define DEBUG_RSLINK 1
#define HEADER_FILE "retroshare://file"
#define HEADER_PERSON "retroshare://person"
RetroShareLink::RetroShareLink(const QUrl& url)
{
const QString stringurl = url.toString();
fromString(stringurl);
}
RetroShareLink::RetroShareLink(const QString& url)
{
fromString(url);
}
void RetroShareLink::fromString(const QString& url)
{
_valid = false;
// parse
#ifdef DEBUG_RSLINK
std::cerr << "got new RS link \"" << url.toStdString() << "\"" << std::endl ;
#endif
QStringList list = url.split ("|");
if (list.size() >= 1) {
if (list.size() == 4 && list[0] == HEADER_FILE) {
bool ok ;
_type = TYPE_FILE;
_name = list[1] ;
_size = list[2].toULongLong(&ok) ;
_hash = list[3].left(40) ; // normally not necessary, but it's a security.
if (ok) {
#ifdef DEBUG_RSLINK
std::cerr << "New RetroShareLink forged:" << std::endl ;
std::cerr << " name = \"" << _name.toStdString() << "\"" << std::endl ;
std::cerr << " hash = \"" << _hash.toStdString() << "\"" << std::endl ;
std::cerr << " size = " << _size << std::endl ;
#endif
check();
return;
}
} else if (list.size() == 3 && list[0] == HEADER_PERSON) {
_type = TYPE_PERSON;
_name = list[1] ;
_hash = list[2].left(40) ; // normally not necessary, but it's a security.
_size = 0;
check();
return;
}
// bad link
}
#ifdef DEBUG_RSLINK
std::cerr << "Wrongly formed RS link. Can't process." << std::endl ;
#endif
_type = TYPE_UNKNOWN;
_hash = "" ;
_size = 0 ;
_name = "" ;
}
RetroShareLink::RetroShareLink(const QString & name, uint64_t size, const QString & hash)
: _name(name),_size(size),_hash(hash)
{
_valid = false;
_type = TYPE_FILE;
check() ;
}
RetroShareLink::RetroShareLink(const QString & name, const QString & hash)
: _name(name),_size(0),_hash(hash)
{
_valid = false;
_type = TYPE_PERSON;
check() ;
}
void RetroShareLink::check()
{
_valid = true;
switch (_type) {
case TYPE_UNKNOWN:
_valid = false;
break;
case TYPE_FILE:
if(_size > (((uint64_t)1)<<40)) // 1TB. Who has such large files?
_valid = false;
if(!checkName(_name))
_valid = false;
if(!checkHash(_hash))
_valid = false;
break;
case TYPE_PERSON:
if(_size != 0)
_valid = false;
if(_name.isEmpty())
_valid = false;
if(_hash.isEmpty())
_valid = false;
break;
}
if(!_valid) // we should throw an exception instead of this crap, but drbob doesn't like exceptions. Why ???
{
_type = TYPE_UNKNOWN;
_hash = "" ;
_name = "" ;
_size = 0 ;
}
}
QString RetroShareLink::toString() const
{
switch (_type) {
case TYPE_UNKNOWN:
break;
case TYPE_FILE:
return QString(HEADER_FILE) + "|" + _name + "|" + QString::number(_size) + "|" + _hash;
case TYPE_PERSON:
return QString(HEADER_PERSON) + "|" + _name + "|" + _hash;
}
return "";
}
QString RetroShareLink::niceName() const
{
if (type() == TYPE_PERSON) {
return PeerDefs::rsid(name().toStdString(), hash().toStdString());
}
return name();
}
QString RetroShareLink::toHtml() const
{
return QString("<a href='") + toString() + "'>" + niceName() + "</a>" ;
}
QString RetroShareLink::toHtmlFull() const
{
return QString("<a href='") + toString() + "'>" + toString() + "</a>" ;
}
QString RetroShareLink::toHtmlSize() const
{
return QString("<a href='") + toString() + "'>" + name() +"</a>" + " " + "<HTML><font color=\"blue\">" + "(" + misc::friendlyUnit(_size) + ")" +"</font></HTML>";
}
bool RetroShareLink::checkName(const QString& name)
{
if(name == "")
return false ;
for(int i=0;i<name.length();++i)
{
QChar::Category cat( name[i].category() ) ;
if( cat == QChar::Separator_Line
|| cat == QChar::Other_NotAssigned
)
{
#ifdef DEBUG_RSLINK
std::cerr <<"Unwanted category " << cat << " at place " << i << " in string \"" << name.toStdString() << "\"" << std::endl ;
#endif
return false ;
}
}
return true ;
}
QUrl RetroShareLink::toUrl() const
{
return QUrl(toString()) ;
}
bool RetroShareLink::checkHash(const QString& hash)
{
if(hash.length() != 40)
return false ;
QByteArray qb(hash.toAscii()) ;
for(int i=0;i<qb.length();++i)
{
unsigned char b(qb[i]) ;
if(!((b>47 && b<58) || (b>96 && b<103)))
return false ;
}
return true ;
}
bool RetroShareLink::process(int flag)
{
if (valid() == false) {
std::cerr << " RetroShareLink::process invalid request" << std::endl;
return false;
}
switch (type()) {
case TYPE_UNKNOWN:
break;
case TYPE_FILE:
{
std::cerr << " RetroShareLink::process FileRequest : fileName : " << name().toUtf8().constData() << ". fileHash : " << hash().toStdString() << ". fileSize : " << size() << std::endl;
// Get a list of available direct sources, in case the file is browsable only.
std::list<std::string> srcIds;
FileInfo finfo ;
rsFiles->FileDetails(hash().toStdString(), RS_FILE_HINTS_REMOTE,finfo) ;
for(std::list<TransferInfo>::const_iterator it(finfo.peers.begin());it!=finfo.peers.end();++it)
{
std::cerr << " adding peerid " << (*it).peerId << std::endl ;
srcIds.push_back((*it).peerId) ;
}
if (rsFiles->FileRequest(name().toUtf8().constData(), hash().toStdString(), size(), "", RS_FILE_HINTS_NETWORK_WIDE, srcIds)) {
if (flag & RSLINK_PROCESS_NOTIFY_SUCCESS) {
QMessageBox mb(QObject::tr("File Request Confirmation"), QObject::tr("The file has been added to your download list."),QMessageBox::Information,QMessageBox::Ok,0,0);
mb.setButtonText( QMessageBox::Ok, "OK" );
mb.setWindowIcon(QIcon(QString::fromUtf8(":/images/rstray3.png")));
mb.exec();
}
return true;
}
if (flag & RSLINK_PROCESS_NOTIFY_ERROR) {
QMessageBox mb(QObject::tr("File Request canceled"), QObject::tr("The file has not been added to your download list, because you already have it."),QMessageBox::Critical,QMessageBox::Ok,0,0);
mb.setButtonText( QMessageBox::Ok, "OK" );
mb.setWindowIcon(QIcon(QString::fromUtf8(":/images/rstray3.png")));
mb.exec();
}
return false;
}
case TYPE_PERSON:
{
std::cerr << " RetroShareLink::process FriendRequest : name : " << name().toStdString() << ". id : " << hash().toStdString() << std::endl;
RsPeerDetails detail;
if (rsPeers->getPeerDetails(hash().toStdString(), detail)) {
if (detail.gpg_id == rsPeers->getGPGOwnId()) {
// it's me, do nothing
return true;
}
if (detail.accept_connection) {
// peer connection is already accepted
if (flag & RSLINK_PROCESS_NOTIFY_SUCCESS) {
QMessageBox mb(QObject::tr("Friend Request Confirmation"), QObject::tr("The friend is already in your list."),QMessageBox::Information,QMessageBox::Ok,0,0);
mb.setButtonText( QMessageBox::Ok, "OK" );
mb.setWindowIcon(QIcon(QString::fromUtf8(":/images/rstray3.png")));
mb.exec();
}
return true;
}
if (rsPeers->setAcceptToConnectGPGCertificate(hash().toStdString(), true)) {
if (flag & RSLINK_PROCESS_NOTIFY_SUCCESS) {
QMessageBox mb(QObject::tr("Friend Request Confirmation"), QObject::tr("The friend has been added to your list."),QMessageBox::Information,QMessageBox::Ok,0,0);
mb.setButtonText( QMessageBox::Ok, "OK" );
mb.setWindowIcon(QIcon(QString::fromUtf8(":/images/rstray3.png")));
mb.exec();
}
return true;
}
if (flag & RSLINK_PROCESS_NOTIFY_ERROR) {
QMessageBox mb(QObject::tr("Friend Request canceled"), QObject::tr("The friend could not be added to your list."),QMessageBox::Critical,QMessageBox::Ok,0,0);
mb.setButtonText( QMessageBox::Ok, "OK" );
mb.setWindowIcon(QIcon(QString::fromUtf8(":/images/rstray3.png")));
mb.exec();
}
return false;
}
if (flag & RSLINK_PROCESS_NOTIFY_ERROR) {
QMessageBox mb(QObject::tr("Friend Request canceled"), QObject::tr("The friend could not be found."),QMessageBox::Critical,QMessageBox::Ok,0,0);
mb.setButtonText( QMessageBox::Ok, "OK" );
mb.setWindowIcon(QIcon(QString::fromUtf8(":/images/rstray3.png")));
mb.exec();
}
return false;
}
}
std::cerr << " RetroShareLink::process unknown type: " << type() << std::endl;
if (flag & RSLINK_PROCESS_NOTIFY_ERROR) {
QMessageBox mb(QObject::tr("File Request Error"), QObject::tr("The file link is malformed."),QMessageBox::Critical,QMessageBox::Ok,0,0);
mb.setButtonText( QMessageBox::Ok, "OK" );
mb.setWindowIcon(QIcon(QString::fromUtf8(":/images/rstray3.png")));
mb.exec();
}
return false;
}
/*static*/ bool RetroShareLink::processUrl(const QUrl &url, int flag)
{
if (url.scheme() == "http") {
QDesktopServices::openUrl(url);
return true;
}
if (url.scheme() == "retroshare") {
// QUrl can't handle the RetroShare link format properly
if (flag & RSLINK_PROCESS_NOTIFY_ERROR) {
QMessageBox mb(QObject::tr("File Request"), QObject::tr("Process of RetroShare links is not implemented. Please use copy instead."),QMessageBox::Critical,QMessageBox::Ok,0,0);
mb.setButtonText( QMessageBox::Ok, "OK" );
mb.setWindowIcon(QIcon(QString::fromUtf8(":/images/rstray3.png")));
mb.exec();
}
// RetroShareLink link(url);
//
// if (link.valid()) {
// return link.process(flag);
// }
//
// if (flag & RSLINK_PROCESS_NOTIFY_ERROR) {
// QMessageBox mb(QObject::tr("File Request Error"), QObject::tr("The file link is malformed."),QMessageBox::Information,QMessageBox::Ok,0,0);
//second version: QMessageBox mb(QObject::tr("Badly formed RS link"), QObject::tr("This RetroShare link is malformed. This is bug. Please contact the developers.\n\nNote: this possibly comes from a bug in Qt4.6. Try to right-click + copy link location, and paste in Transfer Tab."),QMessageBox::Critical,QMessageBox::Ok,0,0);
// mb.setButtonText( QMessageBox::Ok, "OK" );
// mb.setWindowIcon(QIcon(QString::fromUtf8(":/images/rstray3.png")));
// mb.exec();
// }
return false;
}
if (url.scheme().isEmpty()) {
//it's probably a web adress, let's add http:// at the beginning of the link
QString newAddress = "http://" + url.toString();
QDesktopServices::openUrl(QUrl(newAddress));
return true;
}
return false;
}
void RSLinkClipboard::copyLinks(const std::vector<RetroShareLink>& links)
{
QString res ;
for(uint32_t i=0;i<links.size();++i)
res += links[i].toString() + "\n" ;
QApplication::clipboard()->setText(res) ;
}
void RSLinkClipboard::pasteLinks(std::vector<RetroShareLink> &links)
{
return parseClipboard(links);
}
void RSLinkClipboard::parseClipboard(std::vector<RetroShareLink> &links)
{
// parse clipboard for links.
//
links.clear();
QString text = QApplication::clipboard()->text() ;
std::cerr << "Parsing clipboard:" << text.toStdString() << std::endl ;
QRegExp rx("retroshare://(file|person)[^\r\n]+") ;
int pos = 0;
while((pos = rx.indexIn(text, pos)) != -1)
{
QString url(text.mid(pos, rx.matchedLength()));
RetroShareLink link(url);
if(link.valid())
{
// check that the link is not already in the list:
bool already = false ;
for(uint32_t i=0;i<links.size();++i)
if(links[i] == link)
{
already = true ;
break ;
}
if(!already)
{
links.push_back(link) ;
std::cerr << "captured link: " << link.toString().toStdString() << std::endl ;
}
}
else
std::cerr << "invalid link" << std::endl ;
pos += rx.matchedLength();
}
}
QString RSLinkClipboard::toString()
{
std::vector<RetroShareLink> links;
parseClipboard(links);
QString res ;
for(uint32_t i=0;i<links.size();++i)
res += links[i].toString() + "\n" ;
return res ;
}
QString RSLinkClipboard::toHtml()
{
std::vector<RetroShareLink> links;
parseClipboard(links);
QString res ;
for(uint32_t i=0;i<links.size();++i)
res += links[i].toHtml() + "<br/>" ;
return res ;
}
QString RSLinkClipboard::toHtmlFull()
{
std::vector<RetroShareLink> links;
parseClipboard(links);
QString res ;
for(uint32_t i=0;i<links.size();++i)
res += links[i].toHtmlFull() + "<br/>" ;
return res ;
}
bool RSLinkClipboard::empty(RetroShareLink::enumType type /*= RetroShareLink::TYPE_UNKNOWN*/)
{
std::vector<RetroShareLink> links;
parseClipboard(links);
if (type == RetroShareLink::TYPE_UNKNOWN) {
return links.empty();
}
for (std::vector<RetroShareLink>::iterator link = links.begin(); link != links.end(); link++) {
if (link->type() == type) {
return false;
}
}
return true;
}
/*static*/ int RSLinkClipboard::process(RetroShareLink::enumType type /*= RetroShareLink::TYPE_UNKNOWN*/, int flag /*= RSLINK_PROCESS_NOTIFY_ALL*/)
{
std::vector<RetroShareLink> links;
pasteLinks(links);
int count = 0;
for (uint32_t i = 0; i < links.size(); i++) {
if (links[i].valid() && (type == RetroShareLink::TYPE_UNKNOWN || links[i].type() == type)) {
if (links[i].process(flag)) {
count++;
}
}
}
return count;
}
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