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/**
* @file megaclient.cpp
* @brief Client access engine core logic
*
* (c) 2013-2014 by Mega Limited, Auckland, New Zealand
*
* This file is part of the MEGA SDK - Client Access Engine.
*
* Applications using the MEGA API must present a valid application key
* and comply with the the rules set forth in the Terms of Service.
*
* The MEGA SDK 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.
*
* @copyright Simplified (2-clause) BSD License.
*
* You should have received a copy of the license along with this
* program.
*/
#include "mega.h"
#include "mega/mediafileattribute.h"
#include <cctype>
#include <algorithm>
#include <future>
#undef min // avoid issues with std::min and std::max
#undef max
namespace mega {
// FIXME: generate cr element for file imports
// FIXME: support invite links (including responding to sharekey requests)
// FIXME: instead of copying nodes, move if the source is in the rubbish to reduce node creation load on the servers
// FIXME: prevent synced folder from being moved into another synced folder
bool MegaClient::disablepkp = false;
// root URL for API access
string MegaClient::APIURL = "https://g.api.mega.co.nz/";
// root URL for GeLB requests
string MegaClient::GELBURL = "https://gelb.karere.mega.nz/";
// root URL for chat stats
string MegaClient::CHATSTATSURL = "https://stats.karere.mega.nz";
// maximum number of concurrent transfers (uploads + downloads)
const unsigned MegaClient::MAXTOTALTRANSFERS = 48;
// maximum number of concurrent transfers (uploads or downloads)
const unsigned MegaClient::MAXTRANSFERS = 32;
// maximum number of queued putfa before halting the upload queue
const int MegaClient::MAXQUEUEDFA = 30;
// maximum number of concurrent putfa
const int MegaClient::MAXPUTFA = 10;
#ifdef ENABLE_SYNC
// //bin/SyncDebris/yyyy-mm-dd base folder name
const char* const MegaClient::SYNCDEBRISFOLDERNAME = "SyncDebris";
#endif
// exported link marker
const char* const MegaClient::EXPORTEDLINK = "EXP";
// public key to send payment details
const char MegaClient::PAYMENT_PUBKEY[] =
"CADB-9t4WSMCs6we8CNcAmq97_bP-eXa9pn7SwGPxXpTuScijDrLf_ooneCQnnRBDvE"
"MNqTK3ULj1Q3bt757SQKDZ0snjbwlU2_D-rkBBbjWCs-S61R0Vlg8AI5q6oizH0pjpD"
"eOhpsv2DUlvCa4Hjgy_bRpX8v9fJvbKI2bT3GXJWE7tu8nlKHgz8Q7NE3Ycj5XuUfCW"
"GgOvPGBC-8qPOyg98Vloy53vja2mBjw4ycodx-ZFCt8i8b9Z8KongRMROmvoB4jY8ge"
"ym1mA5iSSsMroGLypv9PueOTfZlG3UTpD83v6F3w8uGHY9phFZ-k2JbCd_-s-7gyfBE"
"TpPvuz-oZABEBAAE";
// default number of seconds to wait after a bandwidth overquota
dstime MegaClient::DEFAULT_BW_OVERQUOTA_BACKOFF_SECS = 3600;
// default number of seconds to wait after a bandwidth overquota
dstime MegaClient::USER_DATA_EXPIRATION_BACKOFF_SECS = 86400; // 1 day
// stats id
std::string MegaClient::statsid;
// decrypt key (symmetric or asymmetric), rewrite asymmetric to symmetric key
bool MegaClient::decryptkey(const char* sk, byte* tk, int tl, SymmCipher* sc, int type, handle node)
{
int sl;
const char* ptr = sk;
// measure key length
while (*ptr && *ptr != '"' && *ptr != '/')
{
ptr++;
}
sl = int(ptr - sk);
if (sl > 4 * FILENODEKEYLENGTH / 3 + 1)
{
// RSA-encrypted key - decrypt and update on the server to save space & client CPU time
sl = sl / 4 * 3 + 3;
if (sl > 4096)
{
return false;
}
byte* buf = new byte[sl];
sl = Base64::atob(sk, buf, sl);
// decrypt and set session ID for subsequent API communication
if (!asymkey.decrypt(buf, sl, tk, tl))
{
delete[] buf;
LOG_warn << "Corrupt or invalid RSA node key";
return false;
}
delete[] buf;
if (!ISUNDEF(node))
{
if (type)
{
sharekeyrewrite.push_back(node);
}
else
{
nodekeyrewrite.push_back(node);
}
}
}
else
{
if (Base64::atob(sk, tk, tl) != tl)
{
LOG_warn << "Corrupt or invalid symmetric node key";
return false;
}
sc->ecb_decrypt(tk, tl);
}
return true;
}
// apply queued new shares
void MegaClient::mergenewshares(bool notify)
{
newshare_list::iterator it;
for (it = newshares.begin(); it != newshares.end(); )
{
NewShare* s = *it;
mergenewshare(s, notify);
delete s;
newshares.erase(it++);
}
}
void MegaClient::mergenewshare(NewShare *s, bool notify)
{
bool skreceived = false;
Node* n;
if ((n = nodebyhandle(s->h)))
{
if (s->have_key && (!n->sharekey || memcmp(s->key, n->sharekey->key, SymmCipher::KEYLENGTH)))
{
// setting an outbound sharekey requires node authentication
// unless coming from a trusted source (the local cache)
bool auth = true;
if (s->outgoing > 0)
{
if (!checkaccess(n, OWNERPRELOGIN))
{
LOG_warn << "Attempt to create dislocated outbound share foiled";
auth = false;
}
else
{
byte buf[SymmCipher::KEYLENGTH];
handleauth(s->h, buf);
if (memcmp(buf, s->auth, sizeof buf))
{
LOG_warn << "Attempt to create forged outbound share foiled";
auth = false;
}
}
}
if (auth)
{
if (n->sharekey)
{
if (!fetchingnodes)
{
sendevent(99428,"Replacing share key", 0);
}
delete n->sharekey;
}
n->sharekey = new SymmCipher(s->key);
skreceived = true;
}
}
if (s->access == ACCESS_UNKNOWN && !s->have_key)
{
// share was deleted
if (s->outgoing)
{
bool found = false;
if (n->outshares)
{
// outgoing share to user u deleted
share_map::iterator shareit = n->outshares->find(s->peer);
if (shareit != n->outshares->end())
{
Share *delshare = shareit->second;
n->outshares->erase(shareit);
found = true;
if (notify)
{
n->changed.outshares = true;
notifynode(n);
}
delete delshare;
}
if (!n->outshares->size())
{
delete n->outshares;
n->outshares = NULL;
}
}
if (n->pendingshares && !found && s->pending)
{
// delete the pending share
share_map::iterator shareit = n->pendingshares->find(s->pending);
if (shareit != n->pendingshares->end())
{
Share *delshare = shareit->second;
n->pendingshares->erase(shareit);
found = true;
if (notify)
{
n->changed.pendingshares = true;
notifynode(n);
}
delete delshare;
}
if (!n->pendingshares->size())
{
delete n->pendingshares;
n->pendingshares = NULL;
}
}
// Erase sharekey if no outgoing shares (incl pending) exist
if (s->remove_key && !n->outshares && !n->pendingshares)
{
rewriteforeignkeys(n);
delete n->sharekey;
n->sharekey = NULL;
}
}
else
{
// incoming share deleted - remove tree
if (!n->parent)
{
TreeProcDel td;
proctree(n, &td, true);
}
else
{
if (n->inshare)
{
n->inshare->user->sharing.erase(n->nodehandle);
notifyuser(n->inshare->user);
n->inshare = NULL;
}
}
}
}
else
{
if (s->outgoing)
{
if ((!s->upgrade_pending_to_full && (!ISUNDEF(s->peer) || !ISUNDEF(s->pending)))
|| (s->upgrade_pending_to_full && !ISUNDEF(s->peer) && !ISUNDEF(s->pending)))
{
// perform mandatory verification of outgoing shares:
// only on own nodes and signed unless read from cache
if (checkaccess(n, OWNERPRELOGIN))
{
Share** sharep;
if (!ISUNDEF(s->pending))
{
// Pending share
if (!n->pendingshares)
{
n->pendingshares = new share_map();
}
if (s->upgrade_pending_to_full)
{
share_map::iterator shareit = n->pendingshares->find(s->pending);
if (shareit != n->pendingshares->end())
{
// This is currently a pending share that needs to be upgraded to a full share
// erase from pending shares & delete the pending share list if needed
Share *delshare = shareit->second;
n->pendingshares->erase(shareit);
if (notify)
{
n->changed.pendingshares = true;
notifynode(n);
}
delete delshare;
}
if (!n->pendingshares->size())
{
delete n->pendingshares;
n->pendingshares = NULL;
}
// clear this so we can fall through to below and have it re-create the share in
// the outshares list
s->pending = UNDEF;
// create the outshares list if needed
if (!n->outshares)
{
n->outshares = new share_map();
}
sharep = &((*n->outshares)[s->peer]);
}
else
{
sharep = &((*n->pendingshares)[s->pending]);
}
}
else
{
// Normal outshare
if (!n->outshares)
{
n->outshares = new share_map();
}
sharep = &((*n->outshares)[s->peer]);
}
// modification of existing share or new share
if (*sharep)
{
(*sharep)->update(s->access, s->ts, findpcr(s->pending));
}
else
{
*sharep = new Share(ISUNDEF(s->peer) ? NULL : finduser(s->peer, 1), s->access, s->ts, findpcr(s->pending));
}
if (notify)
{
if (!ISUNDEF(s->pending))
{
n->changed.pendingshares = true;
}
else
{
n->changed.outshares = true;
}
notifynode(n);
}
}
}
else
{
LOG_debug << "Merging share without peer information.";
// Outgoing shares received during fetchnodes are merged in two steps:
// 1. From readok(), a NewShare is created with the 'sharekey'
// 2. From readoutshares(), a NewShare is created with the 'peer' information
}
}
else
{
if (!ISUNDEF(s->peer))
{
if (s->peer)
{
if (!checkaccess(n, OWNERPRELOGIN))
{
// modification of existing share or new share
if (n->inshare)
{
n->inshare->update(s->access, s->ts);
}
else
{
n->inshare = new Share(finduser(s->peer, 1), s->access, s->ts, NULL);
n->inshare->user->sharing.insert(n->nodehandle);
mNodeCounters[n->nodehandle] = n->subnodeCounts();
}
if (notify)
{
n->changed.inshare = true;
notifynode(n);
}
}
else
{
LOG_warn << "Invalid inbound share location";
}
}
else
{
LOG_warn << "Invalid null peer on inbound share";
}
}
else
{
if (skreceived && notify)
{
TreeProcApplyKey td;
proctree(n, &td);
}
}
}
}
#ifdef ENABLE_SYNC
if (n->inshare && s->access != FULL)
{
// check if the low(ered) access level is affecting any syncs
// a) have we just cut off full access to a subtree of a sync?
do {
if (n->localnode && (n->localnode->sync->state == SYNC_ACTIVE || n->localnode->sync->state == SYNC_INITIALSCAN))
{
LOG_warn << "Existing inbound share sync or part thereof lost full access";
n->localnode->sync->errorcode = API_EACCESS;
n->localnode->sync->changestate(SYNC_FAILED);
}
} while ((n = n->parent));
// b) have we just lost full access to the subtree a sync is in?
for (sync_list::iterator it = syncs.begin(); it != syncs.end(); it++)
{
if ((*it)->inshare && ((*it)->state == SYNC_ACTIVE || (*it)->state == SYNC_INITIALSCAN) && !checkaccess((*it)->localroot->node, FULL))
{
LOG_warn << "Existing inbound share sync lost full access";
(*it)->errorcode = API_EACCESS;
(*it)->changestate(SYNC_FAILED);
}
}
}
#endif
}
}
// configure for full account session access
void MegaClient::setsid(const byte* newsid, unsigned len)
{
auth = "&sid=";
size_t t = auth.size();
auth.resize(t + len * 4 / 3 + 4);
auth.resize(t + Base64::btoa(newsid, len, (char*)(auth.c_str() + t)));
sid.assign((const char*)newsid, len);
}
// configure for exported folder links access
void MegaClient::setrootnode(handle h)
{
char buf[12];
Base64::btoa((byte*)&h, NODEHANDLE, buf);
auth = "&n=";
auth.append(buf);
publichandle = h;
if (accountauth.size())
{
auth.append("&sid=");
auth.append(accountauth);
}
}
bool MegaClient::setlang(string *code)
{
if (code && code->size() == 2)
{
lang = "&lang=";
lang.append(*code);
return true;
}
lang.clear();
LOG_err << "Invalid language code: " << (code ? *code : "(null)");
return false;
}
handle MegaClient::getrootpublicfolder()
{
// if we logged into a folder...
if (auth.find("&n=") != auth.npos)
{
return rootnodes[0];
}
else
{
return UNDEF;
}
}
handle MegaClient::getpublicfolderhandle()
{
return publichandle;
}
Node *MegaClient::getrootnode(Node *node)
{
if (!node)
{
return NULL;
}
Node *n = node;
while (n->parent)
{
n = n->parent;
}
return n;
}
bool MegaClient::isPrivateNode(handle h)
{
Node *node = nodebyhandle(h);
if (!node)
{
return false;
}
handle rootnode = getrootnode(node)->nodehandle;
return (rootnode == rootnodes[0] || rootnode == rootnodes[1] || rootnode == rootnodes[2]);
}
bool MegaClient::isForeignNode(handle h)
{
Node *node = nodebyhandle(h);
if (!node)
{
return false;
}
handle rootnode = getrootnode(node)->nodehandle;
return (rootnode != rootnodes[0] && rootnode != rootnodes[1] && rootnode != rootnodes[2]);
}
SCSN::SCSN()
{
clear();
}
void SCSN::clear()
{
memset(scsn, 0, sizeof(scsn));
stopsc = false;
}
// set server-client sequence number
bool SCSN::setScsn(JSON* j)
{
handle t;
if (j->storebinary((byte*)&t, sizeof t) != sizeof t)
{
return false;
}
setScsn(t);
return true;
}
void SCSN::setScsn(handle h)
{
Base64::btoa((byte*)&h, sizeof h, scsn);
}
void SCSN::stopScsn()
{
memset(scsn, 0, sizeof(scsn));
stopsc = true;
}
bool SCSN::ready() const
{
return !stopsc && *scsn;
}
bool SCSN::stopped() const
{
return stopsc;
}
const char* SCSN::text() const
{
assert(ready());
return scsn;
}
handle SCSN::getHandle() const
{
assert(ready());
handle t;
Base64::atob(scsn, (byte*)&t, sizeof t);
return t;
}
std::ostream& operator<<(std::ostream &os, const SCSN &scsn)
{
os << scsn.text();
return os;
}
int MegaClient::nextreqtag()
{
return ++reqtag;
}
int MegaClient::hexval(char c)
{
return c > '9' ? c - 'a' + 10 : c - '0';
}
void MegaClient::exportDatabase(string filename)
{
FILE *fp = NULL;
fp = fopen(filename.c_str(), "w");
if (!fp)
{
LOG_warn << "Cannot export DB to file \"" << filename << "\"";
return;
}
LOG_info << "Exporting database...";
sctable->rewind();
uint32_t id;
string data;
std::map<uint32_t, string> entries;
while (sctable->next(&id, &data, &key))
{
entries.insert(std::pair<uint32_t, string>(id,data));
}
for (map<uint32_t, string>::iterator it = entries.begin(); it != entries.end(); it++)
{
fprintf(fp, "%8." PRIu32 "\t%s\n", it->first, it->second.c_str());
}
fclose(fp);
LOG_info << "Database exported successfully to \"" << filename << "\"";
}
bool MegaClient::compareDatabases(string filename1, string filename2)
{
LOG_info << "Comparing databases: \"" << filename1 << "\" and \"" << filename2 << "\"";
FILE *fp1 = fopen(filename1.data(), "r");
if (!fp1)
{
LOG_info << "Cannot open " << filename1;
return false;
}
FILE *fp2 = fopen(filename2.data(), "r");
if (!fp2)
{
fclose(fp1);
LOG_info << "Cannot open " << filename2;
return false;
}
const int N = 8192;
char buf1[N];
char buf2[N];
do
{
size_t r1 = fread(buf1, 1, N, fp1);
size_t r2 = fread(buf2, 1, N, fp2);
if (r1 != r2 || memcmp(buf1, buf2, r1))
{
fclose(fp1);
fclose(fp2);
LOG_info << "Databases are different";
return false;
}
}
while (!feof(fp1) || !feof(fp2));
fclose(fp1);
fclose(fp2);
LOG_info << "Databases are equal";
return true;
}
void MegaClient::getrecoverylink(const char *email, bool hasMasterkey)
{
reqs.add(new CommandGetRecoveryLink(this, email,
hasMasterkey ? RECOVER_WITH_MASTERKEY : RECOVER_WITHOUT_MASTERKEY));
}
void MegaClient::queryrecoverylink(const char *code)
{
reqs.add(new CommandQueryRecoveryLink(this, code));
}
void MegaClient::getprivatekey(const char *code)
{
reqs.add(new CommandGetPrivateKey(this, code));
}
void MegaClient::confirmrecoverylink(const char *code, const char *email, const char *password, const byte *masterkeyptr, int accountversion)
{
if (accountversion == 1)
{
byte pwkey[SymmCipher::KEYLENGTH];
pw_key(password, pwkey);
SymmCipher pwcipher(pwkey);
string emailstr = email;
uint64_t loginHash = stringhash64(&emailstr, &pwcipher);
if (masterkeyptr)
{
// encrypt provided masterkey using the new password
byte encryptedMasterKey[SymmCipher::KEYLENGTH];
memcpy(encryptedMasterKey, masterkeyptr, sizeof encryptedMasterKey);
pwcipher.ecb_encrypt(encryptedMasterKey);
reqs.add(new CommandConfirmRecoveryLink(this, code, (byte*)&loginHash, sizeof(loginHash), NULL, encryptedMasterKey, NULL));
}
else
{
// create a new masterkey
byte newmasterkey[SymmCipher::KEYLENGTH];
rng.genblock(newmasterkey, sizeof newmasterkey);
// generate a new session
byte initialSession[2 * SymmCipher::KEYLENGTH];
rng.genblock(initialSession, sizeof initialSession);
key.setkey(newmasterkey);
key.ecb_encrypt(initialSession, initialSession + SymmCipher::KEYLENGTH, SymmCipher::KEYLENGTH);
// and encrypt the master key to the new password
pwcipher.ecb_encrypt(newmasterkey);
reqs.add(new CommandConfirmRecoveryLink(this, code, (byte*)&loginHash, sizeof(loginHash), NULL, newmasterkey, initialSession));
}
}
else
{
byte clientkey[SymmCipher::KEYLENGTH];
rng.genblock(clientkey, sizeof(clientkey));
string salt;
HashSHA256 hasher;
string buffer = "mega.nz";
buffer.resize(200, 'P');
buffer.append((char *)clientkey, sizeof(clientkey));
hasher.add((const byte*)buffer.data(), unsigned(buffer.size()));
hasher.get(&salt);
byte derivedKey[2 * SymmCipher::KEYLENGTH];
CryptoPP::PKCS5_PBKDF2_HMAC<CryptoPP::SHA512> pbkdf2;
pbkdf2.DeriveKey(derivedKey, sizeof(derivedKey), 0, (byte *)password, strlen(password),
(const byte *)salt.data(), salt.size(), 100000);
string hashedauthkey;
byte *authkey = derivedKey + SymmCipher::KEYLENGTH;
hasher.add(authkey, SymmCipher::KEYLENGTH);
hasher.get(&hashedauthkey);
hashedauthkey.resize(SymmCipher::KEYLENGTH);
SymmCipher cipher;
cipher.setkey(derivedKey);
if (masterkeyptr)
{
// encrypt provided masterkey using the new password
byte encryptedMasterKey[SymmCipher::KEYLENGTH];
memcpy(encryptedMasterKey, masterkeyptr, sizeof encryptedMasterKey);
cipher.ecb_encrypt(encryptedMasterKey);
reqs.add(new CommandConfirmRecoveryLink(this, code, (byte*)hashedauthkey.data(), SymmCipher::KEYLENGTH, clientkey, encryptedMasterKey, NULL));
}
else
{
// create a new masterkey
byte newmasterkey[SymmCipher::KEYLENGTH];
rng.genblock(newmasterkey, sizeof newmasterkey);
// generate a new session
byte initialSession[2 * SymmCipher::KEYLENGTH];
rng.genblock(initialSession, sizeof initialSession);
key.setkey(newmasterkey);
key.ecb_encrypt(initialSession, initialSession + SymmCipher::KEYLENGTH, SymmCipher::KEYLENGTH);
// and encrypt the master key to the new password
cipher.ecb_encrypt(newmasterkey);
reqs.add(new CommandConfirmRecoveryLink(this, code, (byte*)hashedauthkey.data(), SymmCipher::KEYLENGTH, clientkey, newmasterkey, initialSession));
}
}
}
void MegaClient::getcancellink(const char *email, const char *pin)
{
reqs.add(new CommandGetRecoveryLink(this, email, CANCEL_ACCOUNT, pin));
}
void MegaClient::confirmcancellink(const char *code)
{
reqs.add(new CommandConfirmCancelLink(this, code));
}
void MegaClient::getemaillink(const char *email, const char *pin)
{
reqs.add(new CommandGetEmailLink(this, email, 1, pin));
}
void MegaClient::confirmemaillink(const char *code, const char *email, const byte *pwkey)
{
if (pwkey)
{
SymmCipher pwcipher(pwkey);
string emailstr = email;
uint64_t loginHash = stringhash64(&emailstr, &pwcipher);
reqs.add(new CommandConfirmEmailLink(this, code, email, (const byte*)&loginHash, true));
}
else
{
reqs.add(new CommandConfirmEmailLink(this, code, email, NULL, true));
}
}
void MegaClient::contactlinkcreate(bool renew)
{
reqs.add(new CommandContactLinkCreate(this, renew));
}
void MegaClient::contactlinkquery(handle h)
{
reqs.add(new CommandContactLinkQuery(this, h));
}
void MegaClient::contactlinkdelete(handle h)
{
reqs.add(new CommandContactLinkDelete(this, h));
}
void MegaClient::multifactorauthsetup(const char *pin)
{
reqs.add(new CommandMultiFactorAuthSetup(this, pin));
}
void MegaClient::multifactorauthcheck(const char *email)
{
reqs.add(new CommandMultiFactorAuthCheck(this, email));
}
void MegaClient::multifactorauthdisable(const char *pin)
{
reqs.add(new CommandMultiFactorAuthDisable(this, pin));
}
void MegaClient::fetchtimezone()
{
string timeoffset;
m_time_t rawtime = m_time(NULL);
if (rawtime != -1)
{
struct tm lt, ut, it;
memset(<, 0, sizeof(struct tm));
memset(&ut, 0, sizeof(struct tm));
memset(&it, 0, sizeof(struct tm));
m_localtime(rawtime, <);
m_gmtime(rawtime, &ut);
if (memcmp(&ut, &it, sizeof(struct tm)) && memcmp(<, &it, sizeof(struct tm)))
{
m_time_t local_time = m_mktime(<);
m_time_t utc_time = m_mktime(&ut);
if (local_time != -1 && utc_time != -1)
{
double foffset = difftime(local_time, utc_time);
int offset = int(fabs(foffset));
if (offset <= 43200)
{
ostringstream oss;
oss << ((foffset >= 0) ? "+" : "-");
oss << (offset / 3600) << ":";
int minutes = ((offset % 3600) / 60);
if (minutes < 10)
{
oss << "0";
}
oss << minutes;
timeoffset = oss.str();
}
}
}
}
reqs.add(new CommandFetchTimeZone(this, "", timeoffset.c_str()));
}
void MegaClient::keepmealive(int type, bool enable)
{
reqs.add(new CommandKeepMeAlive(this, type, enable));
}
void MegaClient::getpsa()
{
reqs.add(new CommandGetPSA(this));
}
void MegaClient::acknowledgeuseralerts()
{
useralerts.acknowledgeAll();
}
void MegaClient::activateoverquota(dstime timeleft, bool isPaywall)
{
if (timeleft)
{
assert(!isPaywall);
LOG_warn << "Bandwidth overquota for " << timeleft << " seconds";
overquotauntil = Waiter::ds + timeleft;
for (transfer_map::iterator it = transfers[GET].begin(); it != transfers[GET].end(); it++)
{
Transfer *t = it->second;
t->bt.backoff(timeleft);
if (t->slot && (t->state != TRANSFERSTATE_RETRYING
|| !t->slot->retrying
|| t->slot->retrybt.nextset() != overquotauntil))
{
t->state = TRANSFERSTATE_RETRYING;
t->slot->retrybt.backoff(timeleft);
t->slot->retrying = true;
app->transfer_failed(t, API_EOVERQUOTA, timeleft);
++performanceStats.transferTempErrors;
}
}
}
else if (setstoragestatus(isPaywall ? STORAGE_PAYWALL : STORAGE_RED))
{
LOG_warn << "Storage overquota";
int start = (isPaywall) ? GET : PUT; // in Paywall state, none DLs/UPs can progress
for (int d = start; d <= PUT; d += PUT - GET)
{
for (transfer_map::iterator it = transfers[d].begin(); it != transfers[d].end(); it++)
{
Transfer *t = it->second;
t->bt.backoff(NEVER);
if (t->slot)
{
t->state = TRANSFERSTATE_RETRYING;
t->slot->retrybt.backoff(NEVER);
t->slot->retrying = true;
app->transfer_failed(t, isPaywall ? API_EPAYWALL : API_EOVERQUOTA, 0);
++performanceStats.transferTempErrors;
}