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broadcast.cc
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/*
* Copyright (c) 2008-2011, Adrian Thurston <[email protected]>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "dsnp.h"
#include "packet.h"
#include "string.h"
#include "error.h"
#include "keyagent.h"
#include <string.h>
void Server::broadcastReceipient( RecipientList &recipients, const String &relid )
{
recipients.push_back( std::string(relid) );
bioWrap.returnOkServer();
}
bool Server::haveRbSigKey( const String &rbSigKeyHash )
{
DbQuery find( mysql,
"SELECT id FROM rb_key "
"WHERE hash = %e ",
rbSigKeyHash() );
return find.fetchRow() != 0;
}
/* Returns true if we have all the keys necessary to process. False if we need
* more keys. */
bool Server::verifyBroadcast( User &user, Identity &broadcaster, Broadcast &b )
{
UserMessageParser msgParser( b.plainMsg );
if ( msgParser.publisher != b.publisher )
throw ParseError( __FILE__, __LINE__ );
if ( b.publisher.length != 0 ) {
message( "verifying publisher\n");
Identity publisherId( mysql, b.publisher );
fetchPublicKey( publisherId );
if ( publisherId.id() == broadcaster.id() ) {
keyAgent.bkDetachedForeignVerify( publisherId, b.bkId,
b.publisherSig, b.plainMsg );
}
else {
/* Check if we trust the key. */
PacketDetachedSigKey epp( b.publisherSig );
String rbSigKeyHash = sha1( epp.pubKey );
message("BROADCAST VERIFY with key %s\n", rbSigKeyHash() );
if ( ! haveRbSigKey( rbSigKeyHash ) )
return false;
keyAgent.bkDetachedRepubForeignVerify( publisherId, 0, b.bkId,
b.publisherSig, b.plainMsg );
}
}
if ( msgParser.author != b.author )
throw ParseError( __FILE__, __LINE__ );
if ( b.author.length != 0 ) {
message( "verifying author\n");
Identity authorId( mysql, b.author );
fetchPublicKey( authorId );
if ( authorId.id() == broadcaster.id() ) {
keyAgent.bkDetachedForeignVerify( authorId, b.bkId,
b.authorSig, b.plainMsg );
}
else {
/* Check if we trust the key. */
PacketDetachedSigKey epp( b.authorSig );
String rbSigKeyHash = sha1( epp.pubKey );
message("BROADCAST VERIFY with key %s\n", rbSigKeyHash() );
if ( ! haveRbSigKey( rbSigKeyHash ) )
return false;
keyAgent.bkDetachedRepubForeignVerify( authorId, 0, b.bkId,
b.authorSig, b.plainMsg );
}
}
if ( (long)msgParser.subjects.size() != b.subjectList.length() )
throw ParseError( __FILE__, __LINE__ );
SubjectList::iterator ms = msgParser.subjects.begin();
for ( BroadcastSubject *bs = b.subjectList.head;
bs != 0; bs = bs->next, ms++ )
{
message( "verifying subject\n");
String mss = Pointer( ms->c_str() );
if ( mss != bs->subject )
throw ParseError( __FILE__, __LINE__ );
Identity subjectId( mysql, bs->subject );
fetchPublicKey( subjectId );
if ( subjectId.id() == broadcaster.id() ) {
keyAgent.bkDetachedForeignVerify( subjectId, b.bkId,
bs->subjectSig, b.plainMsg );
}
else {
/* Check if we trust the key. */
PacketDetachedSigKey epp( bs->subjectSig );
String rbSigKeyHash = sha1( epp.pubKey );
message("BROADCAST VERIFY with key %s\n", rbSigKeyHash() );
if ( ! haveRbSigKey( rbSigKeyHash ) )
return false;
keyAgent.bkDetachedRepubForeignVerify( subjectId, 0, b.bkId,
bs->subjectSig, b.plainMsg );
}
}
if ( b.publisher.length > 0 ) {
message( "broadcast content: notifying \n" );
String site = user.site();
notifAgent.notifBroadcast( site, user.iduri, broadcaster.iduri, b.plainMsg );
}
return true;
}
void Server::receiveBroadcast( const String &relid,
const String &distName, long long keyGen, const String &msg )
{
FriendClaim friendClaim( mysql, relid );
User user( mysql, friendClaim.userId );
Identity broadcaster( mysql, friendClaim.identityId );
/* Find the recipient. */
DbQuery recipient( mysql,
"SELECT get_broadcast_key.id "
"FROM get_broadcast_key "
"WHERE friend_claim_id = %L AND "
" network_dist = %e AND generation = %L ",
friendClaim.id, distName(), keyGen );
if ( recipient.rows() == 0 )
throw BroadcastRecipientInvalid();
MYSQL_ROW row = recipient.fetchRow();
long long bkId = parseId( row[0] );
/* Do the decryption. */
fetchPublicKey( broadcaster );
String decrypted = keyAgent.bkDecrypt( bkId, msg );
/* May build this up. */
Broadcast b;
b.bkId = bkId;
b.user = user.iduri;
PacketBroadcast epp( b, decrypted );
bool processed = verifyBroadcast( user, broadcaster, b );
if ( !processed ) {
message("DELAYING BROADCAST, NO KEYS\n");
DbQuery( mysql,
"INSERT INTO received_broadcast "
"( reprocess, process_after, relid, dist_name, generation, message ) "
"VALUES ( false, DATE_ADD( NOW(), INTERVAL 5 SECOND ), %e, %e, %L, %d ) ",
relid(), distName(), keyGen, msg.binary(), msg.length );
}
}
void Server::receiveBroadcastList( RecipientList &recipients, const String &distName,
long long keyGen, const String &msg )
{
for ( RecipientList::iterator r = recipients.begin(); r != recipients.end(); r++ ) {
String relid = Pointer( r->c_str() );
receiveBroadcast( relid, distName, keyGen, msg );
}
bioWrap.returnOkServer();
}
void Server::submitBroadcast( const String &loginToken, const String &msg )
{
/* Verify the message. */
UserMessageParser msgParser( msg );
User user( mysql, User::ByLoginToken(), loginToken );
/* Get the latest put session key. */
long long networkId = findPrimaryNetworkId( mysql, user );
PutKey put( mysql, networkId );
String encPacket = keyAgent.bkDetachedSign( user, put.id, msg );
Broadcast broadcast;
broadcast.plainMsg = msg;
broadcast.publisher = user.iduri;
broadcast.publisherSig = encPacket;
String command = consBroadcast( broadcast );
queueBroadcast( user, command );
bioWrap.returnOkLocal();
}
void Server::verifyRemoteBroadcast( Identity &publisherId, Identity &authorId,
UserMessageParser &msgParser )
{
/* Make sure the actors specified now match the actors in the message. */
if ( publisherId.iduri != msgParser.publisher )
throw ParseError( __FILE__, __LINE__ );
if ( authorId.iduri != msgParser.author )
throw ParseError( __FILE__, __LINE__ );
}
Allocated Server::createRbRequestActor( long long remoteBroadcastRequestId,
int state, int type, long long identityId )
{
u_char reqidBin[REQID_SIZE];
RAND_bytes( reqidBin, REQID_SIZE );
String reqid = binToBase64( reqidBin, REQID_SIZE );
DbQuery( mysql,
"INSERT INTO rb_request_actor "
"( "
" remote_broadcast_request_id, state, "
" actor_type, identity_id, return_reqid "
") "
"VALUES ( %L, %l, %l, %L, %e )",
remoteBroadcastRequestId, state, type,
identityId, reqid() );
return reqid.relinquish();
}
void Server::remoteBroadcastRequest( const String &floginToken, const String &plainMsg )
{
/* Get the current time. */
String time = timeNow();
/* Verify the message. */
UserMessageParser msgParser( plainMsg );
ReqidList reqidList;
FriendClaim friendClaim( mysql, FriendClaim::ByFloginToken(), floginToken );
User user( mysql, friendClaim.userId );
String publisher = user.iduri;
Identity publisherId( mysql, publisher );
Identity authorId( mysql, friendClaim.identityId );
/* Check the message. */
verifyRemoteBroadcast( publisherId, authorId, msgParser );
//returned_reqid_parser( mysql, to_user, result );
String authorHash = makeIduriHash( authorId.iduri );
/*
* Store the remote broadcast request
*/
DbQuery( mysql,
"INSERT INTO remote_broadcast_request "
"( user_id, identity_id, state, message_id, plain_message ) "
"VALUES ( %L, %L, %l, %e, %d )",
user.id(), authorId.id(), RB_REQ_STATE_PENDING,
msgParser.messageId(), plainMsg.binary(), plainMsg.length );
long long remoteBroadcastRequestId = lastInsertId( mysql );
/* Start with complete. Eventually we will need to grant an opportunity to
* authorize. */
String publisherReturnReqid = createRbRequestActor(
remoteBroadcastRequestId, ACTOR_STATE_COMPLETE,
ACTOR_TYPE_PUBLISHER, authorId.id() );
String authorReturnReqid = createRbRequestActor(
remoteBroadcastRequestId, ACTOR_STATE_PENDING,
ACTOR_TYPE_AUTHOR, authorId.id() );
for ( SubjectList::const_iterator s = msgParser.subjects.begin();
s != msgParser.subjects.end(); s++ )
{
Identity subject( mysql, s->c_str() );
String subjectReturnReqid = createRbRequestActor(
remoteBroadcastRequestId, ACTOR_STATE_PENDING,
ACTOR_TYPE_SUBJECT, subject.id() );
reqidList.push_back( string(subjectReturnReqid()) );
}
/*
* Initiate authorization with the author.
*/
/* Find current generation and youngest broadcast key */
long long networkId = findPrimaryNetworkId( mysql, user );
PutKey put( mysql, networkId );
/*
* Recipients.
*/
DbQuery rec( mysql,
"SELECT identity.id, identity.iduri, put_relid.put_relid "
"FROM friend_claim "
"JOIN put_relid ON friend_claim.id = put_relid.friend_claim_id "
"JOIN identity ON friend_claim.identity_id = identity.id "
"JOIN network_member "
"ON friend_claim.id = network_member.friend_claim_id "
"WHERE friend_claim.user_id = %L AND friend_claim.state = %l AND"
" network_member.network_id = %L AND put_relid.key_priv = %l",
user.id(), FC_ESTABLISHED, networkId, KEY_PRIV4 );
RecipientList2 recipientList;
while ( true ) {
MYSQL_ROW row = rec.fetchRow();
if ( !row )
break;
u_long *lengths = rec.fetchLengths();
Recipient *r = new Recipient;
r->relid = Pointer( row[2], lengths[2] );
r->iduri = Pointer( row[1], lengths[1] );
recipientList.append( r );
}
String recipients = consRecipientList( recipientList );
String remotePublishCmd = consEncryptRemoteBroadcastAuthor(
authorReturnReqid, floginToken, put.distName,
put.generation, recipients, plainMsg );
String result = sendMessageNow( user, authorId.iduri,
friendClaim.putRelids[KEY_PRIV3](), remotePublishCmd );
if ( result.length > 0 )
throw ParseError( __FILE__, __LINE__ );
DbQuery( mysql,
"UPDATE remote_broadcast_request "
"SET author_reqid = %e WHERE id = %L ",
result(), remoteBroadcastRequestId );
/*
* Authorize with the subjects.
*/
ReqidList::const_iterator r = reqidList.begin();
for ( SubjectList::const_iterator s = msgParser.subjects.begin();
s != msgParser.subjects.end(); s++, r++ )
{
Identity subject( mysql, s->c_str() );
FriendClaim subjectFriendClaim( mysql, user, subject );
String reqid = Pointer( r->c_str() );
String encryptSubjectCmd = consEncryptRemoteBroadcastSubject(
reqid, authorHash, put.distName,
put.generation, recipients, plainMsg );
String result = sendMessageNow( user, subject.iduri,
subjectFriendClaim.putRelids[KEY_PRIV3](),
encryptSubjectCmd );
if ( result.length > 0 )
throw ParseError( __FILE__, __LINE__ );
}
bioWrap.returnOkLocal( authorReturnReqid );
}
void Server::encryptRemoteBroadcastAuthor( User &user, Identity &publisherId,
FriendClaim &friendClaim, const String &returnReqid, const String &token,
const String &network, long long generation, const String &recipients,
const String &plainMsg )
{
DbQuery flogin( mysql,
"SELECT id FROM remote_flogin_token "
"WHERE user_id = %L AND identity_id = %L AND login_token = %e",
user.id(), publisherId.id(), token() );
if ( flogin.rows() == 0 )
throw LoginTokenNotValid();
String userIduri = user.iduri;
Identity authorId( mysql, userIduri );
/* Verify the message. */
UserMessageParser msgParser( plainMsg );
PacketRecipientList epp( recipients );
FriendClaim pubFriendClaim( mysql, user, publisherId );
String rbSigKey = keyAgent.getFriendClaimRbSigKey( pubFriendClaim.id );
String rbSigKeyHash = sha1( rbSigKey );
for ( Recipient *r = epp.rl.head; r != 0; r = r->next ) {
message( "RB ENC REQ AUTHOR RECIPIENT %s\n", r->iduri() );
String rbBroadcastKey = consRbBroadcastKey( rbSigKeyHash );
Identity recipient( mysql, r->iduri );
message( "RB encrypting\n" );
fetchPublicKey( recipient );
String enc = keyAgent.signIdEncrypt( recipient, user, user.iduri, rbBroadcastKey );
message( "RB queuing FOF message\n" );
queueFofMessage( r->relid, recipient, enc );
}
/* Check the message. */
verifyRemoteBroadcast( publisherId, authorId, msgParser );
/* Find the recipient. */
DbQuery recipient( mysql,
"SELECT get_broadcast_key.id "
"FROM get_broadcast_key "
"WHERE friend_claim_id = %L AND "
" network_dist = %e AND generation = %L ",
friendClaim.id, network(), generation );
if ( recipient.rows() == 0 )
throw BroadcastRecipientInvalid();
MYSQL_ROW row = recipient.fetchRow();
long long bkId = parseId( row[0] );
String encPacket = keyAgent.bkDetachedRepubForeignSign( user,
pubFriendClaim.id, bkId, plainMsg );
DbQuery( mysql,
"INSERT INTO remote_broadcast_response "
" ( user_id, publisher_id, state, return_reqid, "
" message_id, plain_message, enc_message ) "
"VALUES ( %L, %L, %l, %e, %e, %d, %d )",
user.id(), publisherId.id(), RB_RSP_STATE_PENDING,
returnReqid(), msgParser.messageId(),
plainMsg.binary(), plainMsg.length,
encPacket.binary(), encPacket.length );
long long remoteBroadcastResponseId = lastInsertId( mysql );
/*
* Store the actors
*/
DbQuery( mysql,
"INSERT INTO rb_response_actor "
"( remote_broadcast_response_id, actor_type, identity_id ) "
"VALUES ( %L, %l, %L )",
remoteBroadcastResponseId, ACTOR_TYPE_PUBLISHER, publisherId.id() );
DbQuery( mysql,
"INSERT INTO rb_response_actor "
"( remote_broadcast_response_id, actor_type, identity_id ) "
"VALUES ( %L, %l, %L )",
remoteBroadcastResponseId, ACTOR_TYPE_AUTHOR, authorId.id() );
for ( SubjectList::const_iterator s = msgParser.subjects.begin();
s != msgParser.subjects.end(); s++ )
{
Identity subject( mysql, s->c_str() );
DbQuery( mysql,
"INSERT INTO rb_response_actor "
"( remote_broadcast_response_id, actor_type, identity_id ) "
"VALUES ( %L, %l, %L )",
remoteBroadcastResponseId, ACTOR_TYPE_SUBJECT, subject.id() );
}
bioWrap.returnOkServer();
}
void Server::encryptRemoteBroadcastSubject( User &user, Identity &publisherId,
FriendClaim &friendClaim, const String &returnReqid, const String &authorHash,
const String &network, long long generation, const String &recipients,
const String &plainMsg )
{
/* Find the friend claim by the hash. */
Identity authorId( mysql, Identity::ByHash(), authorHash );
message("encrypt remote broadcast subject: publisher is: %s author is: %s\n",
publisherId.iduri(), authorId.iduri());
/* Find the recipient. */
DbQuery recipient( mysql,
"SELECT get_broadcast_key.id "
"FROM get_broadcast_key "
"WHERE friend_claim_id = %L AND "
" network_dist = %e AND generation = %L ",
friendClaim.id, network(), generation );
if ( recipient.rows() == 0 )
throw BroadcastRecipientInvalid();
/* Parse the message. */
UserMessageParser msgParser( plainMsg );
PacketRecipientList epp( recipients );
String userIduri = user.iduri;
Identity subjectId( mysql, userIduri );
FriendClaim pubFriendClaim( mysql, user, publisherId );
String rbSigKey = keyAgent.getFriendClaimRbSigKey( pubFriendClaim.id );
String rbSigKeyHash = sha1( rbSigKey );
for ( Recipient *r = epp.rl.head; r != 0; r = r->next ) {
message( "RB ENC REQ SUBJECT RECIPIENT %s\n", r->iduri() );
String rbBroadcastKey = consRbBroadcastKey( rbSigKeyHash );
Identity recipient( mysql, r->iduri );
message( "RB encrypting\n" );
fetchPublicKey( recipient );
String enc = keyAgent.signIdEncrypt( recipient, user, user.iduri, rbBroadcastKey );
message( "RB queuing FOF message\n" );
queueFofMessage( r->relid, recipient, enc );
}
/* Check the message. */
verifyRemoteBroadcast( publisherId, authorId, msgParser );
MYSQL_ROW row = recipient.fetchRow();
long long bkId = parseId( row[0] );
String encPacket = keyAgent.bkDetachedRepubForeignSign( user,
pubFriendClaim.id, bkId, plainMsg );
String returnCmd = consReturnRemoteBroadcastSubject(
returnReqid, encPacket );
String result = sendMessageNow( user, publisherId.iduri(),
friendClaim.putRelids[KEY_PRIV3](), returnCmd );
if ( result() == 0 )
throw ParseError( __FILE__, __LINE__ );
DbQuery( mysql,
"INSERT INTO remote_broadcast_subject "
" ( user_id, publisher_id, state, return_reqid, "
" message_id, plain_message, enc_message ) "
"VALUES ( %L, %L, %l, %e, %e, %d, %d )",
user.id(), publisherId.id(), RB_RSP_STATE_PENDING,
returnReqid(), msgParser.messageId(),
plainMsg.binary(), plainMsg.length,
encPacket.binary(), encPacket.length );
long long remoteBroadcastResponseId = lastInsertId( mysql );
/*
* Store the actors
*/
DbQuery( mysql,
"INSERT INTO rb_subject_actor "
"( remote_broadcast_subject_id, actor_type, identity_id ) "
"VALUES ( %L, %l, %L )",
remoteBroadcastResponseId, ACTOR_TYPE_PUBLISHER, publisherId.id() );
DbQuery( mysql,
"INSERT INTO rb_subject_actor "
"( remote_broadcast_subject_id, actor_type, identity_id ) "
"VALUES ( %L, %l, %L )",
remoteBroadcastResponseId, ACTOR_TYPE_AUTHOR, authorId.id() );
for ( SubjectList::const_iterator s = msgParser.subjects.begin();
s != msgParser.subjects.end(); s++ )
{
Identity subject( mysql, s->c_str() );
DbQuery( mysql,
"INSERT INTO rb_subject_actor "
"( remote_broadcast_subject_id, actor_type, identity_id ) "
"VALUES ( %L, %l, %L )",
remoteBroadcastResponseId, ACTOR_TYPE_SUBJECT, subject.id() );
}
/* Just send the message back as it is for now. */
bioWrap.returnOkServer();
}
void Server::returnRemoteBroadcastAuthor( User &user, Identity &identity,
const String &reqid, const String &msg )
{
DbQuery recipient( mysql,
"UPDATE rb_request_actor "
"SET state = %l, enc_message = %d "
"WHERE return_reqid = %e ",
ACTOR_STATE_RETURNED,
msg.binary(), msg.length,
reqid() );
DbQuery rbrId( mysql,
"SELECT remote_broadcast_request_id "
"FROM rb_request_actor "
"WHERE return_reqid = %e ",
reqid() );
MYSQL_ROW row = rbrId.fetchRow();
long long remoteBroadcastRequestId = parseId( row[0] );
checkRemoteBroadcastComplete( user, remoteBroadcastRequestId );
bioWrap.returnOkServer( reqid );
}
void Server::returnRemoteBroadcastSubject( User &user, Identity &identity,
const String &reqid, const String &msg )
{
DbQuery recipient( mysql,
"UPDATE rb_request_actor "
"SET state = %l, enc_message = %d "
"WHERE return_reqid = %e ",
ACTOR_STATE_COMPLETE,
msg.binary(), msg.length, reqid() );
DbQuery rbrId( mysql,
"SELECT remote_broadcast_request_id "
"FROM rb_request_actor "
"WHERE return_reqid = %e ",
reqid() );
MYSQL_ROW row = rbrId.fetchRow();
long long remoteBroadcastRequestId = parseId( row[0] );
checkRemoteBroadcastComplete( user, remoteBroadcastRequestId );
bioWrap.returnOkServer( reqid );
}
void Server::remoteBroadcastResponse( const String &loginToken, const String &reqid )
{
User user( mysql, User::ByLoginToken(), loginToken );
DbQuery recipient( mysql,
"SELECT publisher_id, enc_message "
"FROM remote_broadcast_response "
"WHERE user_id = %L AND return_reqid = %e",
user.id(), reqid() );
if ( recipient.rows() == 0 )
throw RequestIdInvalid();
MYSQL_ROW row = recipient.fetchRow();
u_long *lengths = recipient.fetchLengths();
long long publisherId = parseId( row[0] );
String encMessage = Pointer( row[1], lengths[1] );
message( "flushing remote with reqid: %s\n", reqid() );
Identity publisher( mysql, publisherId );
FriendClaim friendClaim( mysql, user, publisher );
String returnCmd = consReturnRemoteBroadcastAuthor(
reqid, encMessage );
String result = sendMessageNow( user,
publisher.iduri(),
friendClaim.putRelids[KEY_PRIV3](),
returnCmd );
if ( result() == 0 )
throw ParseError( __FILE__, __LINE__ );
bioWrap.returnOkLocal( result );
}
void Server::broadcastSuccessAuthor( User &user, Identity &publisherId, const String &messageId )
{
message("looking for %lld %lld %s\n", user.id(), publisherId.id(), messageId() );
DbQuery findResponse( mysql,
"SELECT id, plain_message "
"FROM remote_broadcast_response "
"WHERE user_id = %L AND publisher_id = %L AND message_id = %e ",
user.id(), publisherId.id(), messageId() );
if ( findResponse.rows() != 1 )
throw InvalidRemoteBroadcastResponse();
MYSQL_ROW row = findResponse.fetchRow();
u_long *lengths = findResponse.fetchLengths();
long long remoteBroadcastResponseId = parseId( row[0] );
String plainMsg = Pointer( row[1], lengths[1] );
/* Notifiy the user agent. */
String site = user.site();
notifAgent.notifBroadcast( site, user.iduri,
publisherId.iduri(), plainMsg );
Broadcast broadcast;
broadcast.plainMsg = plainMsg;
/* Find current generation and youngest broadcast key */
long long networkId = findPrimaryNetworkId( mysql, user );
PutKey put( mysql, networkId );
String encPacket = keyAgent.bkDetachedSign( user, put.id, plainMsg );
broadcast.author = user.iduri;
broadcast.authorSig = encPacket;
/*
* Recipients.
*/
DbQuery rec( mysql,
"SELECT identity.id, identity.iduri, put_relid.put_relid "
"FROM friend_claim "
"JOIN put_relid ON friend_claim.id = put_relid.friend_claim_id "
"JOIN identity ON friend_claim.identity_id = identity.id "
"JOIN network_member "
"ON friend_claim.id = network_member.friend_claim_id "
"WHERE friend_claim.user_id = %L AND friend_claim.state = %l AND"
" network_member.network_id = %L AND put_relid.key_priv = %l",
user.id(), FC_ESTABLISHED, networkId, KEY_PRIV3 );
RecipientList2 recipientList;
while ( true ) {
MYSQL_ROW row = rec.fetchRow();
if ( !row )
break;
u_long *lengths = rec.fetchLengths();
Recipient *r = new Recipient;
r->relid = Pointer( row[2], lengths[2] );
r->iduri = Pointer( row[1], lengths[1] );
recipientList.append( r );
}
String recipients = consRecipientList( recipientList );
/*
* Publish the message.
*/
DbQuery actors( mysql,
"SELECT actor_type, identity_id "
"FROM rb_response_actor "
"WHERE remote_broadcast_response_id = %L ",
remoteBroadcastResponseId );
while ( ( row = actors.fetchRow() ) != 0 ) {
lengths = actors.fetchLengths();
int actorType = atoi( row[0] );
long long identityId = parseId( row[1] );
Identity identity( mysql, identityId );
if ( actorType == ACTOR_TYPE_PUBLISHER ) {
message("finding publisher friend claim: %lld identity: %lld\n",
user.id(), identityId );
FriendClaim friendClaim( mysql, user, identity );
String repub = consRepubRemoteBroadcastPublisher(
messageId, put.distName, put.generation, recipients );
String result = sendMessageNow( user, identity.iduri,
friendClaim.putRelids[KEY_PRIV3](), repub );
if ( result.length == 0 )
throw ParseError( __FILE__, __LINE__ );
broadcast.publisher = identity.iduri;
broadcast.publisherSig = result;
}
else if ( actorType == ACTOR_TYPE_AUTHOR ) {
/* SELF */
}
else if ( actorType == ACTOR_TYPE_SUBJECT ) {
message("finding subject friend claim: %lld identity: %lld\n",
user.id(), identityId );
FriendClaim friendClaim( mysql, user, identity );
String repub = consRepubRemoteBroadcastSubject(
publisherId.iduri, messageId, put.distName,
put.generation, recipients );
String result = sendMessageNow( user, identity.iduri,
friendClaim.putRelids[KEY_PRIV3](),
repub );
BroadcastSubject *bs = new BroadcastSubject;
bs->subject = identity.iduri;
bs->subjectSig = result;
broadcast.subjectList.append( bs );
}
}
String command = consBroadcast( broadcast );
queueBroadcast( user, command );
/*
* Clear the response data from the database.
*/
// DbQuery( mysql,
// "DELETE FROM remote_broadcast_response "
// "WHERE id = %L",
// remoteBroadcastResponseId );
//
// DbQuery( mysql,
// "DELETE FROM rb_response_actor "
// "WHERE remote_broadcast_response_id = %L",
// remoteBroadcastResponseId );
bioWrap.returnOkServer();
}
void Server::broadcastSuccessSubject( User &user, Identity &publisherId, const String &messageId )
{
message("looking for %lld %lld %s\n", user.id(), publisherId.id(), messageId() );
DbQuery findResponse( mysql,
"SELECT id, plain_message "
"FROM remote_broadcast_subject "
"WHERE user_id = %L AND publisher_id = %L AND message_id = %e ",
user.id(), publisherId.id(), messageId() );
if ( findResponse.rows() != 1 )
throw InvalidRemoteBroadcastResponse();
MYSQL_ROW row = findResponse.fetchRow();
u_long *lengths = findResponse.fetchLengths();
long long remoteBroadcastResponseId = parseId( row[0] );
String plainMsg = Pointer( row[1], lengths[1] );
/* Notifiy the user agent. */
String site = user.site();
notifAgent.notifBroadcast( site, user.iduri,
publisherId.iduri(), plainMsg );
Broadcast broadcast;
broadcast.plainMsg = plainMsg;
/* Find current generation and youngest broadcast key */
long long networkId = findPrimaryNetworkId( mysql, user );
PutKey put( mysql, networkId );
String encPacket = keyAgent.bkDetachedSign( user, put.id, plainMsg );
BroadcastSubject *bs = new BroadcastSubject;
String userIduri = user.iduri;
bs->subject = userIduri;
bs->subjectSig = encPacket;
broadcast.subjectList.append( bs );
/*
* Recipients.
*/
DbQuery rec( mysql,
"SELECT identity.id, identity.iduri, put_relid.put_relid "
"FROM friend_claim "
"JOIN put_relid ON friend_claim.id = put_relid.friend_claim_id "
"JOIN identity ON friend_claim.identity_id = identity.id "
"JOIN network_member "
"ON friend_claim.id = network_member.friend_claim_id "
"WHERE friend_claim.user_id = %L AND friend_claim.state = %l AND"
" network_member.network_id = %L AND put_relid.key_priv = %l",
user.id(), FC_ESTABLISHED, networkId, KEY_PRIV3 );
RecipientList2 recipientList;
while ( true ) {
MYSQL_ROW row = rec.fetchRow();
if ( !row )
break;
u_long *lengths = rec.fetchLengths();
Recipient *r = new Recipient;
r->relid = Pointer( row[2], lengths[2] );
r->iduri = Pointer( row[1], lengths[1] );
recipientList.append( r );
}
String recipients = consRecipientList( recipientList );
/*
* Publish the message.
*/
DbQuery actors( mysql,
"SELECT actor_type, identity_id "
"FROM rb_subject_actor "
"WHERE remote_broadcast_subject_id = %L ",
remoteBroadcastResponseId );
while ( ( row = actors.fetchRow() ) != 0 ) {
lengths = actors.fetchLengths();
int actorType = atoi( row[0] );
long long identityId = parseId( row[1] );
Identity identity( mysql, identityId );
if ( actorType == ACTOR_TYPE_PUBLISHER ) {
message("finding publisher friend claim: %lld identity: %lld\n",
user.id(), identityId );
FriendClaim friendClaim( mysql, user, identity );
String repub = consRepubRemoteBroadcastPublisher(
messageId, put.distName, put.generation, recipients );
String result = sendMessageNow( user, identity.iduri,
friendClaim.putRelids[KEY_PRIV3](),
repub );
if ( result.length == 0 )
throw ParseError( __FILE__, __LINE__ );
broadcast.publisher = identity.iduri;
broadcast.publisherSig = result;
}
else if ( actorType == ACTOR_TYPE_AUTHOR ) {
message("finding author friend claim: %lld identity: %lld\n",
user.id(), identityId );
FriendClaim friendClaim( mysql, user, identity );
String repub = consRepubRemoteBroadcastAuthor(
publisherId.iduri, messageId,
put.distName, put.generation, recipients );
String result = sendMessageNow( user, identity.iduri,
friendClaim.putRelids[KEY_PRIV3](),
repub );
if ( result.length == 0 )
throw ParseError( __FILE__, __LINE__ );
broadcast.author = identity.iduri;
broadcast.authorSig = result;
}
else if ( actorType == ACTOR_TYPE_SUBJECT ) {
/* Exclude ourselves. */
if ( identity.iduri != userIduri ) {
message("finding subject friend claim: %lld identity: %lld\n",
user.id(), identityId );
FriendClaim friendClaim( mysql, user, identity );
String repub = consRepubRemoteBroadcastSubject(
publisherId.iduri, messageId, put.distName,
put.generation, recipients );
String result = sendMessageNow( user, identity.iduri,
friendClaim.putRelids[KEY_PRIV3](),
repub );
BroadcastSubject *bs = new BroadcastSubject;
bs->subject = identity.iduri;
bs->subjectSig = result;
broadcast.subjectList.append( bs );
}
}
}
String command = consBroadcast( broadcast );
queueBroadcast( user, command );
/*
* Clear the response data from the database.
*/
// DbQuery( mysql,
// "DELETE FROM remote_broadcast_subject "
// "WHERE id = %L",
// remoteBroadcastResponseId );
//
// DbQuery( mysql,
// "DELETE FROM rb_subject_actor "
// "WHERE remote_broadcast_subject_id = %L",
// remoteBroadcastResponseId );
bioWrap.returnOkServer();
}
void Server::checkRemoteBroadcastComplete( User &user, long long remoteBroadcastRequestId )
{
message("checking if remote_broadcast_request %lld has completed\n",
remoteBroadcastRequestId );
/* Look for non-complete actors. */
DbQuery actorCheck( mysql,
"SELECT id "
"FROM rb_request_actor "
"WHERE remote_broadcast_request_id = %L AND "
" state != %l ",
remoteBroadcastRequestId,
ACTOR_STATE_COMPLETE );
if ( actorCheck.rows() > 0 ) {
message(" ... not done\n" );
return;
}
message( " ... done \n" );
DbQuery recipient( mysql,
"SELECT "
" message_id, plain_message, enc_message "
"FROM remote_broadcast_request "
"WHERE id = %L ",
remoteBroadcastRequestId );