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/**
* @file examples/megaclient.cpp
* @brief Sample application, interactive GNU Readline CLI
*
* (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 "megacli.h"
#include <fstream>
#define USE_VARARGS
#define PREFER_STDARG
#ifndef NO_READLINE
#include <readline/readline.h>
#include <readline/history.h>
#endif
#if (__cplusplus >= 201700L)
#include <filesystem>
namespace fs = std::filesystem;
#define USE_FILESYSTEM
#elif !defined(__MINGW32__) && !defined(__ANDROID__) && (!defined(__GNUC__) || (__GNUC__*100+__GNUC_MINOR__) >= 503)
#define USE_FILESYSTEM
#ifdef WIN32
#include <filesystem>
namespace fs = std::experimental::filesystem;
#else
#include <experimental/filesystem>
namespace fs = std::experimental::filesystem;
#endif
#endif
#include <regex>
#ifdef USE_FREEIMAGE
#include "mega/gfx/freeimage.h"
#endif
namespace ac = ::mega::autocomplete;
#include <iomanip>
using namespace mega;
using std::cout;
using std::cerr;
using std::endl;
using std::flush;
using std::ifstream;
using std::ofstream;
using std::setw;
using std::hex;
using std::dec;
MegaClient* client;
MegaClient* clientFolder;
int gNextClientTag = 1;
std::map<int, std::function<void(Node*)>> gOnPutNodeTag;
bool gVerboseMode = false;
// new account signup e-mail address and name
static string signupemail, signupname;
// signup code being confirmed
static string signupcode;
// signup password challenge and encrypted master key
static byte signuppwchallenge[SymmCipher::KEYLENGTH], signupencryptedmasterkey[SymmCipher::KEYLENGTH];
// password recovery e-mail address and code being confirmed
static string recoveryemail, recoverycode;
// password recovery code requires MK or not
static bool hasMasterKey;
// master key for password recovery
static byte masterkey[SymmCipher::KEYLENGTH];
// change email link to be confirmed
static string changeemail, changecode;
// chained folder link creation
static handle hlink = UNDEF;
static int del = 0;
static int ets = 0;
// import welcome pdf at account creation
static bool pdf_to_import = false;
// public link information
static string publiclink;
// local console
Console* console;
// loading progress of lengthy API responses
int responseprogress = -1;
//2FA pin attempts
int attempts = 0;
#ifdef ENABLE_SYNC
struct NewSyncConfig
{
SyncConfig::Type type;
bool syncDeletions;
bool forceOverwrite;
static NewSyncConfig from(const SyncConfig& config)
{
return NewSyncConfig{config.getType(), config.syncDeletions(), config.forceOverwrite()};
}
};
// sync configuration used when creating a new sync
static NewSyncConfig newSyncConfig;
// converts the given sync configuration to a string
static std::string syncConfigToString(const NewSyncConfig& config)
{
auto getOptions = [](const NewSyncConfig& config)
{
std::string desc;
desc += ", syncDeletions ";
desc += config.syncDeletions ? "ON" : "OFF";
desc += ", forceOverwrite ";
desc += config.forceOverwrite ? "ON" : "OFF";
return desc;
};
std::string description;
if (config.type == SyncConfig::TYPE_TWOWAY)
{
description = "TWOWAY";
}
else if (config.type & SyncConfig::TYPE_UP)
{
description = "UP";
description += getOptions(config);
}
else
{
description = "DOWN";
description += getOptions(config);
}
return description;
}
// creates a NewSyncConfig object from config options as strings.
// returns a pair where `first` is success and `second` is the sync config.
static std::pair<bool, NewSyncConfig> syncConfigFromStrings(std::string type, std::string syncDel = {}, std::string overwrite = {})
{
auto toLower = [](std::string& s)
{
for (char& c : s) { c = static_cast<char>(tolower(c)); };
};
toLower(type);
toLower(syncDel);
toLower(overwrite);
SyncConfig::Type syncType;
if (type == "up")
{
syncType = SyncConfig::TYPE_UP;
}
else if (type == "down")
{
syncType = SyncConfig::TYPE_DOWN;
}
else if (type == "twoway")
{
syncType = SyncConfig::TYPE_TWOWAY;
}
else
{
return std::make_pair(false, NewSyncConfig{});
}
bool syncDeletions = false;
bool forceOverwrite = false;
if (syncType != SyncConfig::TYPE_TWOWAY)
{
if (syncDel == "on")
{
syncDeletions = true;
}
else if (syncDel == "off")
{
syncDeletions = false;
}
else
{
return std::make_pair(false, NewSyncConfig{});
}
if (overwrite == "on")
{
forceOverwrite = true;
}
else if (overwrite == "off")
{
forceOverwrite = false;
}
else
{
return std::make_pair(false, NewSyncConfig{});
}
}
return std::make_pair(true, NewSyncConfig{syncType, syncDeletions, forceOverwrite});
}
#endif
static const char* getAccessLevelStr(int access)
{
switch(access)
{
case ACCESS_UNKNOWN:
return "unkown";
case RDONLY:
return "read-only";
case RDWR:
return "read/write";
case FULL:
return "full access";
case OWNER:
return "owner access";
case OWNERPRELOGIN:
return "owner (prelogin) access";
default:
return "UNDEFINED";
}
}
const char* errorstring(error e)
{
switch (e)
{
case API_OK:
return "No error";
case API_EINTERNAL:
return "Internal error";
case API_EARGS:
return "Invalid argument";
case API_EAGAIN:
return "Request failed, retrying";
case API_ERATELIMIT:
return "Rate limit exceeded";
case API_EFAILED:
return "Transfer failed";
case API_ETOOMANY:
return "Too many concurrent connections or transfers";
case API_ERANGE:
return "Out of range";
case API_EEXPIRED:
return "Expired";
case API_ENOENT:
return "Not found";
case API_ECIRCULAR:
return "Circular linkage detected";
case API_EACCESS:
return "Access denied";
case API_EEXIST:
return "Already exists";
case API_EINCOMPLETE:
return "Incomplete";
case API_EKEY:
return "Invalid key/integrity check failed";
case API_ESID:
return "Bad session ID";
case API_EBLOCKED:
return "Blocked";
case API_EOVERQUOTA:
return "Over quota";
case API_ETEMPUNAVAIL:
return "Temporarily not available";
case API_ETOOMANYCONNECTIONS:
return "Connection overflow";
case API_EWRITE:
return "Write error";
case API_EREAD:
return "Read error";
case API_EAPPKEY:
return "Invalid application key";
case API_EGOINGOVERQUOTA:
return "Not enough quota";
case API_EMFAREQUIRED:
return "Multi-factor authentication required";
case API_EMASTERONLY:
return "Access denied for users";
case API_EBUSINESSPASTDUE:
return "Business account has expired";
case API_EPAYWALL:
return "Over Disk Quota Paywall";
default:
return "Unknown error";
}
}
AppFile::AppFile()
{
static int nextseqno;
seqno = ++nextseqno;
}
// transfer start
void AppFilePut::start()
{
}
void AppFileGet::start()
{
}
// transfer completion
void AppFileGet::completed(Transfer*, LocalNode*)
{
// (at this time, the file has already been placed in the final location)
delete this;
}
// transfer terminated - too many failures, or unrecoverable failure, or cancelled
void AppFileGet::terminated()
{
delete this;
}
void AppFilePut::completed(Transfer* t, LocalNode*)
{
// perform standard completion (place node in user filesystem etc.)
File::completed(t, NULL);
delete this;
}
// transfer terminated - too many failures, or unrecoverable failure, or cancelled
void AppFilePut::terminated()
{
delete this;
}
AppFileGet::~AppFileGet()
{
appxferq[GET].erase(appxfer_it);
}
AppFilePut::~AppFilePut()
{
appxferq[PUT].erase(appxfer_it);
}
void AppFilePut::displayname(string* dname)
{
*dname = localname.toName(*transfer->client->fsaccess, client->fsaccess->getFilesystemType(localname));
}
// transfer progress callback
void AppFile::progress()
{
}
static void displaytransferdetails(Transfer* t, const char* action)
{
string name;
for (file_list::iterator it = t->files.begin(); it != t->files.end(); it++)
{
if (it != t->files.begin())
{
cout << "/";
}
(*it)->displayname(&name);
cout << name;
}
cout << ": " << (t->type == GET ? "Incoming" : "Outgoing") << " file transfer " << action;
}
// a new transfer was added
void DemoApp::transfer_added(Transfer* /*t*/)
{
}
// a queued transfer was removed
void DemoApp::transfer_removed(Transfer* t)
{
displaytransferdetails(t, "removed\n");
}
void DemoApp::transfer_update(Transfer* /*t*/)
{
// (this is handled in the prompt logic)
}
void DemoApp::transfer_failed(Transfer* t, const Error& e, dstime)
{
displaytransferdetails(t, "failed (");
if (e == API_ETOOMANY && e.hasExtraInfo())
{
cout << getExtraInfoErrorString(e) << ")" << endl;
}
else
{
cout << errorstring(e) << ")" << endl;
}
}
void DemoApp::transfer_complete(Transfer* t)
{
if (gVerboseMode)
{
displaytransferdetails(t, "completed, ");
if (t->slot)
{
cout << t->slot->progressreported * 10 / (1024 * (Waiter::ds - t->slot->starttime + 1)) << " KB/s" << endl;
}
else
{
cout << "delayed" << endl;
}
}
}
// transfer about to start - make final preparations (determine localfilename, create thumbnail for image upload)
void DemoApp::transfer_prepare(Transfer* t)
{
if (gVerboseMode)
{
displaytransferdetails(t, "starting\n");
}
if (t->type == GET)
{
// only set localfilename if the engine has not already done so
if (t->localfilename.empty())
{
client->fsaccess->tmpnamelocal(t->localfilename);
}
}
}
#ifdef ENABLE_SYNC
static void syncstat(Sync* sync)
{
cout << ", local data in this sync: " << sync->localbytes << " byte(s) in " << sync->localnodes[FILENODE]
<< " file(s) and " << sync->localnodes[FOLDERNODE] << " folder(s)" << endl;
}
void DemoApp::syncupdate_state(Sync*, syncstate_t newstate)
{
switch (newstate)
{
case SYNC_ACTIVE:
cout << "Sync is now active" << endl;
break;
case SYNC_FAILED:
cout << "Sync failed." << endl;
default:
;
}
}
void DemoApp::syncupdate_scanning(bool active)
{
if (active)
{
cout << "Sync - scanning files and folders" << endl;
}
else
{
cout << "Sync - scan completed" << endl;
}
}
// sync update callbacks are for informational purposes only and must not change or delete the sync itself
void DemoApp::syncupdate_local_folder_addition(Sync* sync, LocalNode *, const char* path)
{
cout << "Sync - local folder addition detected: " << path;
syncstat(sync);
}
void DemoApp::syncupdate_local_folder_deletion(Sync* sync, LocalNode *localNode)
{
cout << "Sync - local folder deletion detected: " << localNode->name;
syncstat(sync);
}
void DemoApp::syncupdate_local_file_addition(Sync* sync, LocalNode *, const char* path)
{
cout << "Sync - local file addition detected: " << path;
syncstat(sync);
}
void DemoApp::syncupdate_local_file_deletion(Sync* sync, LocalNode *localNode)
{
cout << "Sync - local file deletion detected: " << localNode->name;
syncstat(sync);
}
void DemoApp::syncupdate_local_file_change(Sync* sync, LocalNode *, const char* path)
{
cout << "Sync - local file change detected: " << path;
syncstat(sync);
}
void DemoApp::syncupdate_local_move(Sync*, LocalNode *localNode, const char* path)
{
cout << "Sync - local rename/move " << localNode->name << " -> " << path << endl;
}
void DemoApp::syncupdate_local_lockretry(bool locked)
{
if (locked)
{
cout << "Sync - waiting for local filesystem lock" << endl;
}
else
{
cout << "Sync - local filesystem lock issue resolved, continuing..." << endl;
}
}
void DemoApp::syncupdate_remote_move(Sync *, Node *n, Node *prevparent)
{
cout << "Sync - remote move " << n->displayname() << ": " << (prevparent ? prevparent->displayname() : "?") <<
" -> " << (n->parent ? n->parent->displayname() : "?") << endl;
}
void DemoApp::syncupdate_remote_rename(Sync *, Node *n, const char *prevname)
{
cout << "Sync - remote rename " << prevname << " -> " << n->displayname() << endl;
}
void DemoApp::syncupdate_remote_folder_addition(Sync *, Node* n)
{
cout << "Sync - remote folder addition detected " << n->displayname() << endl;
}
void DemoApp::syncupdate_remote_file_addition(Sync *, Node* n)
{
cout << "Sync - remote file addition detected " << n->displayname() << endl;
}
void DemoApp::syncupdate_remote_folder_deletion(Sync *, Node* n)
{
cout << "Sync - remote folder deletion detected " << n->displayname() << endl;
}
void DemoApp::syncupdate_remote_file_deletion(Sync *, Node* n)
{
cout << "Sync - remote file deletion detected " << n->displayname() << endl;
}
void DemoApp::syncupdate_get(Sync*, Node *, const char* path)
{
cout << "Sync - requesting file " << path << endl;
}
void DemoApp::syncupdate_put(Sync*, LocalNode *, const char* path)
{
cout << "Sync - sending file " << path << endl;
}
void DemoApp::syncupdate_remote_copy(Sync*, const char* name)
{
cout << "Sync - creating remote file " << name << " by copying existing remote file" << endl;
}
static const char* treestatename(treestate_t ts)
{
switch (ts)
{
case TREESTATE_NONE:
return "None/Undefined";
case TREESTATE_SYNCED:
return "Synced";
case TREESTATE_PENDING:
return "Pending";
case TREESTATE_SYNCING:
return "Syncing";
}
return "UNKNOWN";
}
void DemoApp::syncupdate_treestate(LocalNode* l)
{
cout << "Sync - state change of node " << l->name << " to " << treestatename(l->ts) << endl;
}
// generic name filter
// FIXME: configurable regexps
static bool is_syncable(const char* name)
{
return *name != '.' && *name != '~' && strcmp(name, "Thumbs.db") && strcmp(name, "desktop.ini");
}
// determines whether remote node should be synced
bool DemoApp::sync_syncable(Sync *, const char *, LocalPath&, Node *n)
{
return is_syncable(n->displayname());
}
// determines whether local file should be synced
bool DemoApp::sync_syncable(Sync *, const char *name, LocalPath&)
{
return is_syncable(name);
}
#endif
AppFileGet::AppFileGet(Node* n, handle ch, byte* cfilekey, m_off_t csize, m_time_t cmtime, string* cfilename,
string* cfingerprint, const string& targetfolder)
{
if (n)
{
h = n->nodehandle;
hprivate = true;
*(FileFingerprint*) this = *n;
name = n->displayname();
}
else
{
h = ch;
memcpy(filekey, cfilekey, sizeof filekey);
hprivate = false;
size = csize;
mtime = cmtime;
if (!cfingerprint->size() || !unserializefingerprint(cfingerprint))
{
memcpy(crc.data(), filekey, sizeof crc);
}
name = *cfilename;
}
localname = LocalPath::fromName(name, *client->fsaccess, client->fsaccess->getFilesystemType(LocalPath::fromPath(name, *client->fsaccess)));
if (!targetfolder.empty())
{
string s = targetfolder;
localname.prependWithSeparator(LocalPath::fromPath(s, *client->fsaccess), client->fsaccess->localseparator);
}
}
AppFilePut::AppFilePut(const LocalPath& clocalname, handle ch, const char* ctargetuser)
{
// full local path
localname = clocalname;
// target parent node
h = ch;
// target user
targetuser = ctargetuser;
// erase path component
auto fileSystemType = client->fsaccess->getFilesystemType(clocalname);
LocalPath p = clocalname;
p.erase(0, p.lastpartlocal(*client->fsaccess));
name = p.toName(*client->fsaccess, fileSystemType);
}
// user addition/update (users never get deleted)
void DemoApp::users_updated(User** u, int count)
{
if (count == 1)
{
cout << "1 user received or updated" << endl;
}
else
{
cout << count << " users received or updated" << endl;
}
if (u)
{
User* user;
for (int i = 0; i < count; i++)
{
user = u[i];
cout << "User " << user->email;
if (user->getTag()) // false if external change
{
cout << " has been changed by your own client" << endl;
}
else
{
cout << " has been changed externally" << endl;
}
}
}
}
bool notifyAlerts = true;
string displayUser(handle user, MegaClient* mc)
{
User* u = mc->finduser(user);
return u ? u->email : "<user not found>";
}
string displayTime(m_time_t t)
{
char timebuf[32];
struct tm tmptr;
m_localtime(t, &tmptr);
strftime(timebuf, sizeof timebuf, "%c", &tmptr);
return timebuf;
}
void printAlert(UserAlert::Base& b)
{
string header, title;
b.text(header, title, client);
cout << "**alert " << b.id << ": " << header << " - " << title << " [at " << displayTime(b.timestamp) << "]" << " seen: " << b.seen << endl;
}
void DemoApp::useralerts_updated(UserAlert::Base** b, int count)
{
if (b && notifyAlerts)
{
for (int i = 0; i < count; ++i)
{
if (!b[i]->seen)
{
printAlert(*b[i]);
}
}
}
}
#ifdef ENABLE_CHAT
void DemoApp::chatcreate_result(TextChat *chat, error e)
{
if (e)
{
cout << "Chat creation failed (" << errorstring(e) << ")" << endl;
}
else
{
cout << "Chat created successfully" << endl;
printChatInformation(chat);
cout << endl;
}
}
void DemoApp::chatinvite_result(error e)
{
if (e)
{
cout << "Chat invitation failed (" << errorstring(e) << ")" << endl;
}
else
{
cout << "Chat invitation successful" << endl;
}
}
void DemoApp::chatremove_result(error e)
{
if (e)
{
cout << "Peer removal failed (" << errorstring(e) << ")" << endl;
}
else
{
cout << "Peer removal successful" << endl;
}
}
void DemoApp::chaturl_result(string *url, error e)
{
if (e)
{
cout << "Chat URL retrieval failed (" << errorstring(e) << ")" << endl;
}
else
{
cout << "Chat URL: " << *url << endl;
}
}
void DemoApp::chatgrantaccess_result(error e)
{
if (e)
{
cout << "Grant access to node failed (" << errorstring(e) << ")" << endl;
}
else
{
cout << "Access to node granted successfully" << endl;
}
}
void DemoApp::chatremoveaccess_result(error e)
{
if (e)
{
cout << "Revoke access to node failed (" << errorstring(e) << ")" << endl;
}
else
{
cout << "Access to node removed successfully" << endl;
}
}
void DemoApp::chatupdatepermissions_result(error e)
{
if (e)
{
cout << "Permissions update failed (" << errorstring(e) << ")" << endl;
}
else
{
cout << "Permissions updated successfully" << endl;
}
}
void DemoApp::chattruncate_result(error e)
{
if (e)
{
cout << "Truncate message/s failed (" << errorstring(e) << ")" << endl;
}
else
{
cout << "Message/s truncated successfully" << endl;
}
}
void DemoApp::chatsettitle_result(error e)
{
if (e)
{
cout << "Set title failed (" << errorstring(e) << ")" << endl;
}
else
{
cout << "Title updated successfully" << endl;
}
}
void DemoApp::chatpresenceurl_result(string *url, error e)
{
if (e)
{
cout << "Presence URL retrieval failed (" << errorstring(e) << ")" << endl;
}
else
{
cout << "Presence URL: " << *url << endl;
}
}
void DemoApp::chatlink_result(handle h, error e)
{
if (e)
{
cout << "Chat link failed (" << errorstring(e) << ")" << endl;
}
else
{
if (ISUNDEF(h))
{
cout << "Chat link deleted successfully" << endl;
}
else
{
char hstr[sizeof(handle) * 4 / 3 + 4];
Base64::btoa((const byte *)&h, MegaClient::CHATLINKHANDLE, hstr);
cout << "Chat link: " << hstr << endl;
}
}
}
void DemoApp::chatlinkclose_result(error e)
{
if (e)
{
cout << "Set private mode for chat failed (" << errorstring(e) << ")" << endl;
}
else
{
cout << "Private mode successfully set" << endl;
}
}
void DemoApp::chatlinkurl_result(handle chatid, int shard, string *url, string *ct, int, m_time_t ts, error e)
{
if (e)
{
cout << "URL request for chat-link failed (" << errorstring(e) << ")" << endl;
}
else
{
char idstr[sizeof(handle) * 4 / 3 + 4];
Base64::btoa((const byte *)&chatid, MegaClient::CHATHANDLE, idstr);
cout << "Chatid: " << idstr << " (shard " << shard << ")" << endl;
cout << "URL for chat-link: " << url->c_str() << endl;
cout << "Encrypted chat-topic: " << ct->c_str() << endl;
cout << "Creation timestamp: " << ts << endl;
}
}
void DemoApp::chatlinkjoin_result(error e)
{
if (e)
{
cout << "Join to openchat failed (" << errorstring(e) << ")" << endl;
}
else
{
cout << "Joined to openchat successfully." << endl;
}
}
void DemoApp::chats_updated(textchat_map *chats, int count)
{
if (count == 1)
{
cout << "1 chat received or updated" << endl;
}
else
{
cout << count << " chats received or updated" << endl;
}
if (chats)
{
textchat_map::iterator it;
for (it = chats->begin(); it != chats->end(); it++)
{
printChatInformation(it->second);
}
}
}
void DemoApp::printChatInformation(TextChat *chat)
{
if (!chat)
{
return;
}
cout << "Chat ID: " << Base64Str<sizeof(handle)>(chat->id) << endl;
cout << "\tOwn privilege level: " << DemoApp::getPrivilegeString(chat->priv) << endl;
cout << "\tCreation ts: " << chat->ts << endl;
cout << "\tChat shard: " << chat->shard << endl;
if (chat->group)
{
cout << "\tGroup chat: yes" << endl;
}
else
{
cout << "\tGroup chat: no" << endl;
}
if (chat->isFlagSet(TextChat::FLAG_OFFSET_ARCHIVE))
{
cout << "\tArchived chat: yes" << endl;
}
else
{
cout << "\tArchived chat: no" << endl;
}
if (chat->publicchat)
{
cout << "\tPublic chat: yes" << endl;
cout << "\tUnified key: " << chat->unifiedKey.c_str() << endl;
}