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#include <time.h> |
#include <time.h> |
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#include <stdlib.h> |
#include <stdlib.h> |
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#include "common.h" |
#include "Logger.h" |
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#include "util.h" |
#include "Util.h" |
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#include "Exceptions.h" |
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#include <list> |
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#include <vector> |
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#include <algorithm> |
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using namespace std; |
using namespace std; |
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const unsigned char UDHI = multipart ? 0x40 : 0; |
const unsigned char UDHI = multipart ? 0x40 : 0; |
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srand(time(0)); |
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unsigned char csms_ref = rand() % 128; |
unsigned char csms_ref = rand() % 128; |
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int part_count; |
int part_count; |
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{ |
{ |
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if (message.length() > 800) |
if (message.length() > 800) |
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{ |
{ |
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Common::instance()->logMessage("Trying to send multipart sms > 800 bytes !!!"); |
Logger::logMessage("Trying to send multipart sms > 800 bytes !!!"); |
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message = message.substr(0,800); |
message = message.substr(0,800); |
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} |
} |
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if (multipart) |
if (multipart) |
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{ |
{ |
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message_part = message.substr(0, PDU_LEN); |
message_part = message.substr(0, PDU_LEN); |
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message.erase(0, PDU_LEN); |
message.erase(0, PDU_LEN-1); |
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pdu.push_back( message_part.length()+ 7 ); //UserDataLength |
pdu.push_back( message_part.length()+ 7 ); //UserDataLength |
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pdu.push_back( 0x06 ); // UDH Len |
pdu.push_back( 0x06 ); // UDH Len |
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if (message.length() > 160) |
if (message.length() > 160) |
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{ |
{ |
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message_part = message.substr(0,160); //truncate to 160 |
message_part = message.substr(0,160); //truncate to 160 |
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Common::instance()->logMessage("Truncated message"); |
Logger::logMessage("Truncated message"); |
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} |
} |
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else |
else |
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{ |
{ |
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} |
} |
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std::list<SmsPart> partlist; |
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typedef std::list<SmsPart>::iterator iterator; |
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SMS ConcatenateParts(SmsPart& part) |
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{ |
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SMS sms; |
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if (part.group == -1) |
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{ |
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sms.SetMessage(part.message); |
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sms.SetSender(part.sender); |
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} |
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else |
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{ |
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partlist.push_back(part); |
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vector<SmsPart> vec; |
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for (iterator it=partlist.begin(); it!=partlist.end(); ++it) |
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{ |
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SmsPart& current = *it; |
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if (current.sender == part.sender && current.group == part.group) |
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vec.push_back(current); |
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} |
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if (vec.size() == (unsigned)part.count) //we have all parts |
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{ |
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sort(vec.begin(), vec.end()); |
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string message; |
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for (unsigned i=0; i<vec.size(); i++) |
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{ |
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partlist.remove( (vec[i]) ); |
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message += vec[i].message; |
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} |
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sms.SetSender(part.sender); |
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sms.SetMessage(message); |
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} |
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else |
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{ |
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throw smsnotfoundexception(); // need more parts |
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} |
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} |
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return sms; |
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} |
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SMS ParseSmsPdu(std::string pdu_str) |
SMS ParseSmsPdu(std::string pdu_str) |
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{ |
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SMS result; |
SmsPart part = ParseSmsPduWorker(pdu_str); |
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return ConcatenateParts(part); |
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} |
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void ParseUdh(vector<unsigned char>& udh, SmsPart& part) |
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{ |
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if (udh.size() == 0) |
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{ |
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Logger::logMessage("ParseUdh(): empty udh"); |
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return; |
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} |
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if (udh[0] != 0) |
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{ |
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Logger::logMessage("unknown UDH type"); |
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return; |
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} |
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if (udh.size() < 5) |
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{ |
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Logger::logMessage("UDH to short to be multipart"); |
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return; |
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} |
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part.group = udh[2]; |
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part.count = udh[3]; |
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part.id = udh[4]; |
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} |
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SmsPart ParseSmsPduWorker(std::string pdu_str) |
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{ |
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vector<unsigned char> pdu = HexDecodeString(pdu_str); |
vector<unsigned char> pdu = HexDecodeString(pdu_str); |
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++it; //ignore Type-Of-Address |
++it; //ignore Type-Of-Address |
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result.sender = DecodeRawPhonenr( it, it+(sender_len/2) ); |
string sender = DecodeRawPhonenr( it, it+(sender_len/2) ); |
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it += (sender_len/2); |
it += (sender_len/2); |
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++it; //protocol identifier |
++it; //protocol identifier |
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++it; //Data encoding |
++it; //Data encoding |
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result.timestamp = DecodeTimestamp(it, it+7); |
string timestamp = DecodeTimestamp(it, it+7); |
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it += 7; |
it += 7; |
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unsigned char data_len = (*it++); |
unsigned char data_len = (*it++); |
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SmsPart part; |
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part.group = -1; |
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int shift_start = 0; |
int shift_start = 0; |
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if (UDHI) |
if (UDHI) |
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{ |
{ |
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int udh_len = (*it++); |
int udh_len = (*it++); |
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it += udh_len; //just ignore the User Data Header |
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vector<unsigned char> udh; |
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for (int i=0; i<udh_len; i++) |
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{ |
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udh.push_back (*it++); |
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} |
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ParseUdh(udh,part); |
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data_len -= udh_len; |
data_len -= udh_len; |
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shift_start = udh_len+1; //make the 8to7bit decode start with the right shift level |
shift_start = udh_len+1; //make the 8to7bit decode start with the right shift level |
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vector<unsigned char> user_data; |
vector<unsigned char> user_data; |
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user_data.insert(user_data.end(), it, it+data_len); |
user_data.insert(user_data.end(), it, it+data_len); |
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result.message = Decode8to7bit(user_data, shift_start).substr(0,data_len); |
string message = Decode8to7bit(user_data, shift_start).substr(0,data_len); |
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message = Util::str_trim(message); |
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result.message = Util::str_trim(result.message); |
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part.message = message; |
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part.sender = sender; |
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return result; |
return part; |
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} |
} |
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} |
} |