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Added new link type: EXTRA_FILE, to allow sendign links with sources included so as to trigger direct transfer.

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This makes possible to send files through chat without permitting tunnel access to the files. The client requests
the file as a direct transfer only, using the supplied source.



git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@5799 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
csoler 2012-11-10 22:59:51 +00:00
parent a573211629
commit 929f872544
4 changed files with 111 additions and 4 deletions
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89
retroshare-gui/src/gui/RetroShareLink.cpp
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@ -48,6 +48,7 @@
#define DEBUG_RSLINK 1
#define HOST_FILE "file"
#define HOST_EXTRAFILE "extra"
#define HOST_PERSON "person"
#define HOST_FORUM "forum"
#define HOST_CHANNEL "channel"
@ -59,6 +60,7 @@
#define FILE_NAME "name"
#define FILE_SIZE "size"
#define FILE_HASH "hash"
#define FILE_SOURCE "src"
#define PERSON_NAME "name"
#define PERSON_HASH "hash"
@ -179,6 +181,27 @@ void RetroShareLink::fromUrl(const QUrl& url)
}
}
if (url.host() == HOST_EXTRAFILE) {
bool ok ;
_type = TYPE_EXTRAFILE;
_name = url.queryItemValue(FILE_NAME);
_size = url.queryItemValue(FILE_SIZE).toULongLong(&ok);
_hash = url.queryItemValue(FILE_HASH).left(40); // normally not necessary, but it's a security.
_SSLid = url.queryItemValue(FILE_SOURCE);
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 ;
std::cerr << " src = " << _SSLid.toStdString() << std::endl ;
#endif
check();
return;
}
}
if (url.host() == HOST_PERSON) {
_type = TYPE_PERSON;
_name = url.queryItemValue(PERSON_NAME);
@ -246,6 +269,21 @@ RetroShareLink::RetroShareLink()
clear();
}
bool RetroShareLink::createExtraFile(const QString& name, uint64_t size, const QString& hash,const QString& ssl_id)
{
clear();
_name = name;
_size = size;
_hash = hash;
_SSLid = ssl_id;
_type = TYPE_EXTRAFILE;
check();
return valid();
}
bool RetroShareLink::createFile(const QString& name, uint64_t size, const QString& hash)
{
clear();
@ -463,6 +501,9 @@ void RetroShareLink::check()
case TYPE_UNKNOWN:
_valid = false;
break;
case TYPE_EXTRAFILE:
if(!checkSSLId(_SSLid))
_valid = false; // no break! We also test file stuff below.
case TYPE_FILE:
if(_size > (((uint64_t)1)<<40)) // 1TB. Who has such large files?
_valid = false;
@ -538,6 +579,8 @@ QString RetroShareLink::title() const
switch (_type) {
case TYPE_UNKNOWN:
break;
case TYPE_EXTRAFILE:
return QString("%1 (%2, Extra - Source included)").arg(hash()).arg(misc::friendlyUnit(size()));
case TYPE_FILE:
return QString("%1 (%2)").arg(hash()).arg(misc::friendlyUnit(size()));
case TYPE_PERSON:
@ -576,6 +619,19 @@ QString RetroShareLink::toString() const
return url.toString();
}
case TYPE_EXTRAFILE:
{
QUrl url;
url.setScheme(RSLINK_SCHEME);
url.setHost(HOST_EXTRAFILE);
url.addQueryItem(FILE_NAME, encodeItem(_name));
url.addQueryItem(FILE_SIZE, QString::number(_size));
url.addQueryItem(FILE_HASH, _hash);
url.addQueryItem(FILE_SOURCE, _SSLid);
return url.toString();
}
case TYPE_PERSON:
{
QUrl url;
@ -699,6 +755,7 @@ QString RetroShareLink::toHtmlFull() const
QString RetroShareLink::toHtmlSize() const
{
QString size = QString("(%1)").arg(misc::friendlyUnit(_size));
if (type() == TYPE_FILE && RsCollectionFile::isCollectionFile(name())) {
FileInfo finfo;
if (rsFiles->FileDetails(hash().toStdString(), RS_FILE_HINTS_EXTRA | RS_FILE_HINTS_LOCAL, finfo)) {
@ -740,6 +797,23 @@ QUrl RetroShareLink::toUrl() const
return QUrl::fromEncoded(toString().toUtf8().constData());
}
bool RetroShareLink::checkSSLId(const QString& ssl_id)
{
if(ssl_id.length() != 32)
return false ;
QByteArray qb(ssl_id.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::checkHash(const QString& hash)
{
if(hash.length() != 40)
@ -816,6 +890,7 @@ static void processList(const QStringList &list, const QString &textSingular, co
break;
case TYPE_FILE:
case TYPE_EXTRAFILE:
fileAdd.append(link.name());
break;
@ -953,15 +1028,27 @@ static void processList(const QStringList &list, const QString &textSingular, co
break ;
case TYPE_FILE:
case TYPE_EXTRAFILE:
{
#ifdef DEBUG_RSLINK
std::cerr << " RetroShareLink::process FileRequest : fileName : " << link.name().toUtf8().constData() << ". fileHash : " << link.hash().toStdString() << ". fileSize : " << link.size() << std::endl;
#endif
needNotifySuccess = true;
std::list<std::string> srcIds;
// Add the link built-in source. This is needed for EXTRA files, where the source is specified in the link.
if(link.type() == TYPE_EXTRAFILE)
{
#ifdef DEBUG_RSLINK
std::cerr << " RetroShareLink::process Adding built-in source " << link.SSLId().toStdString() << std::endl;
#endif
srcIds.push_back(link.SSLId().toStdString()) ;
}
// Get a list of available direct sources, in case the file is browsable only.
std::list<std::string> srcIds;
//
FileInfo finfo ;
rsFiles->FileDetails(link.hash().toStdString(), RS_FILE_HINTS_REMOTE, finfo) ;