// Put stores a message in the message store WITHOUT notifying the notify backend
func (store Store) Put(msgStruct *structs.MessageStruct, signerStruct *structs.SignerStruct, message []byte) error {
// Check if message exists
if store.db.MessageKnown(&msgStruct.MessageID) {
return ErrDuplicate
}
// Check if signer exists, load last from signer
_, signerLoaded, _ := store.db.SelectSigner(&signerStruct.PublicKey)
if signerLoaded != nil {
// Old signer is better
if signerLoaded.Bits > signerStruct.Bits {
signerStruct.Bits = signerLoaded.Bits
signerStruct.Nonce = signerLoaded.Nonce
signerStruct.MaxMessagesPosted = signerLoaded.MaxMessagesPosted
signerStruct.MaxMessagesRetained = signerLoaded.MaxMessagesRetained
}
// Update post data
signerStruct.MessagesPosted = signerLoaded.MessagesPosted
signerStruct.MessagesRetained = signerLoaded.MessagesRetained
}
// Verify signer
if signerStruct.MessagesPosted >= signerStruct.MaxMessagesPosted {
return ErrPostLimit
}
if signerStruct.MessagesRetained >= signerStruct.MaxMessagesRetained {
// Retention is changed by expiring messages
return ErrPostLimit
}
msgStruct.PostTime = uint64(CurrentTime())
msgStruct.ExpireTime = uint64(uint64(CurrentTime()) + signerStruct.ExpireTarget)
if msgStruct.ExpireTime < msgStruct.ExpireRequest {
msgStruct.ExpireTime = msgStruct.ExpireRequest
}
// Update signer
err := store.db.InsertOrUpdateSigner(signerStruct)
if err != nil {
log.Errorf("messagestore, update signer: %s", err)
}
// Write message. Message is prefixed by encoded messageStruct
storeID, err := store.db.InsertMessage(msgStruct)
if err != nil {
log.Errorf("messagestore, write message (DB): %s", err)
return err
}
store.db.LearnMessage(&msgStruct.MessageID)
err = store.db.InsertBlob(storeID, &msgStruct.MessageID, &signerStruct.PublicKey, msgStruct.OneTime, message)
if err != nil {
log.Errorf("messagestore, write message (Blob): %s", err)
return err
}
if !msgStruct.OneTime && msgStruct.Sync {
err := store.db.AddToGlobalIndex(storeID)
if err != nil {
log.Errorf("messagestore, globalindex append: %s", err)
}
}
return nil
}
// GetNotify receives notifications.
func (ms MessageServer) GetNotify(w http.ResponseWriter, r *http.Request) {
var proof [keyproof.ProofTokenSize]byte
w.Header().Set("Content-Type", "text/plain; charset=us-ascii")
getValues := r.URL.Query()
if getValues != nil {
if v, ok := getValues["auth"]; ok {
if len(v[0]) > keyproof.ProofTokenMax {
io.WriteString(w, "ERROR: Bad Param\n")
return
}
auth := utils.B58decode(v[0])
if auth == nil || len(auth) > keyproof.ProofTokenSize {
io.WriteString(w, "ERROR: Bad Param\n")
return
}
copy(proof[:], auth)
ok, timeStamp, senderPubKey := keyproof.VerifyProofToken(&proof, ms.TokenPubKey)
if !ok {
io.WriteString(w, "ERROR: Authentication failure\n")
if senderPubKey == nil {
log.Errorf("VerifyProofToken failed: (proof) %s\n", utils.B58encode(proof[:]))
} else {
log.Errorf("VerifyProofToken failed: (pubkey) %s\n", utils.B58encode(senderPubKey[:]))
}
return
}
// verify that we know the peer
url := ms.PeerURL(senderPubKey)
if url == "" {
io.WriteString(w, "ERROR: Bad peer\n")
log.Errorf("Notify, bad peer: %s\n", utils.B58encode(senderPubKey[:]))
return
}
now := CurrentTime()
// Test too old, too young
if enforceTimeOuts && (now > timeStamp+DefaultAuthTokenAge+ms.MaxTimeSkew || now < timeStamp-DefaultAuthTokenAge-ms.MaxTimeSkew) {
io.WriteString(w, "ERROR: Authentication expired\n")
log.Errorf("VerifyProofToken replay by %s\n", url)
return
}
ok, signedToken := keyproof.CounterSignToken(&proof, ms.TokenPubKey, ms.TokenPrivKey)
if !ok {
io.WriteString(w, "ERROR: Authentication failure\n")
return
}
ms.DB.UpdatePeerAuthToken(senderPubKey, signedToken)
log.Debugf("Notified by %s\n", url)
io.WriteString(w, "SUCCESS: Notified\n")
return
}
}
io.WriteString(w, "ERROR: Missing Param\n")
return
}
// LoadPeers from file.
func (ms MessageServer) LoadPeers() {
var prePeerlist PeerListEncoded
var myPeerURLs []string
myPeers := make(PeerList)
peersEncoded, err := ioutil.ReadFile(ms.PeerFile)
if err != nil {
example := make(PeerListEncoded, 1)
example[0].PubKey = "Example ed25519 public key encoded in base58"
example[0].URL = exampleURL
dat, _ := json.MarshalIndent(example, "", " ")
_ = dat
err := ioutil.WriteFile(ms.PeerFile, dat, 0600)
if err != nil {
log.Errorf("Could not write peerfile: %s\n", err)
return
}
log.Debugs("Example peerfile written\n")
return
}
err = json.Unmarshal(peersEncoded, &prePeerlist)
if err != nil {
log.Errorf("Could not read peerfile: %s\n", err)
return
}
if ms.AddToPeer && !ms.HubOnly {
myPeerURLs = append(myPeerURLs, ms.URL)
}
for _, p := range prePeerlist {
if p.URL != exampleURL {
var tkey [ed25519.PublicKeySize]byte
t := utils.B58decode(p.PubKey)
copy(tkey[:], t)
if *ms.TokenPubKey != tkey || debug {
myPeers[tkey] = Peer{
URL: p.URL,
PubKey: tkey,
}
if !p.IsHub {
myPeerURLs = append(myPeerURLs, p.URL)
}
// Create Peer Index File
ms.DB.TouchPeer(&tkey)
}
}
}
defer ms.setPeerURLs(myPeerURLs)
systemPeersMutex.Lock()
defer systemPeersMutex.Unlock()
systemPeers = myPeers
log.Debugs("Peers loaded\n")
}
// GetPeerStat returns the last entry of peer statistics for pubkey
func (store Store) GetPeerStat(pubkey *[ed25519.PublicKeySize]byte) *structs.PeerStruct {
if store.peersindex.Index(pubkey[:]).Exists() {
last := store.peersindex.Index(pubkey[:]).GetLast()
if last == nil {
log.Errorf("Peer last nil: %x\n", *pubkey)
return nil
}
peerStat := structs.PeerStructDecode(last)
if peerStat == nil {
log.Errorf("Peer stat nil: %x\n", *pubkey)
return nil
}
return peerStat
}
return nil
}
// GetPeerStat returns the last entry of peer statistics for pubkey
func (store Store) GetPeerStat(pubkey *[ed25519.PublicKeySize]byte) *structs.PeerStruct {
st, err := store.db.SelectPeer(pubkey)
if err != nil {
log.Errorf("GetPeerStat: %s, %s\n", err, utils.B58encode(pubkey[:]))
return nil
}
return st
}
// LoadConfigFile loads configuration from a file
func LoadConfigFile(file string) (conf ConfigVariables, err error) {
data, err := utils.MaxReadFile(409600, file)
if err != nil {
log.Errorf("Cannot load config from file: %s\n", file)
return conf, err
}
if err := json.Unmarshal(data, &conf); err != nil {
return conf, err
}
return conf, nil
}
// UpdatePeerAuthToken updates the peer record when a new auth token has been received
func (store Store) UpdatePeerAuthToken(senderPubKey *[ed25519.PublicKeySize]byte, signedToken *[keyproof.ProofTokenSignedSize]byte) {
if store.peersindex.Index(senderPubKey[:]).Exists() {
store.peersindex.Index(senderPubKey[:]).Update(func(tx fileback.Tx) error {
last := tx.GetLast()
if last == nil {
log.Errorf("Peer last nil: %x\n", *senderPubKey)
return nil
}
peerStat := structs.PeerStructDecode(last)
if peerStat == nil {
log.Errorf("Peer stat nil: %x\n", *senderPubKey)
return nil
}
peerStat.LastNotifyFrom = uint64(time.Now().Unix())
peerStat.AuthToken = *signedToken
tx.Append(peerStat.Encode().Fill())
return nil
})
}
}
// Delete implements the delete call for messages.
func (ms MessageServer) Delete(w http.ResponseWriter, r *http.Request) {
var messageID *[message.MessageIDSize]byte
var privateKey *message.Curve25519Key
for i := 0; i < 4; i++ {
ms.RandomSleep() // Let's not give instant gratification here
}
w.Header().Set("Content-Type", "text/plain; charset=us-ascii")
getValues := r.URL.Query()
if getValues != nil {
if v, ok := getValues["messageid"]; ok {
t := utils.B58decode(v[0])
if len(t) < message.MessageIDSize || len(t) > message.MessageIDSize {
io.WriteString(w, "ERROR: Bad parameter\n")
return
}
messageID = new([message.MessageIDSize]byte)
copy(messageID[:], t)
}
if v, ok := getValues["privkey"]; ok {
t := utils.B58decode(v[0])
if len(t) < message.Curve25519KeySize || len(t) > message.Curve25519KeySize {
io.WriteString(w, "ERROR: Bad parameter\n")
return
}
privateKey = new(message.Curve25519Key)
copy(privateKey[:], t)
}
if privateKey != nil && messageID != nil {
publicKey := message.GenPubKey(privateKey)
err := ms.DB.PreExpire(messageID, publicKey)
if err == nil {
log.Errorf("Message censored: %x, asshole.\n", *messageID)
io.WriteString(w, "SUCCESS: If you want to call it that\n")
return
}
log.Errorf("Message censoring failed! %s\n", err)
}
}
io.WriteString(w, "ERROR: Missing parameters\n")
return
}
// UpdatePeerFetchStat writes fetch-specific data
func (store Store) UpdatePeerFetchStat(pubkey *[ed25519.PublicKeySize]byte, lastFetch, lastPos, lastErrors uint64) {
if store.peersindex.Index(pubkey[:]).Exists() {
store.peersindex.Index(pubkey[:]).Update(func(tx fileback.Tx) error {
last := tx.GetLast()
if last == nil {
log.Errorf("Peer last nil: %x\n", *pubkey)
return nil
}
peerStat := structs.PeerStructDecode(last)
if peerStat == nil {
log.Errorf("Peer stat nil: %x\n", *pubkey)
return nil
}
peerStat.LastFetch = lastFetch
peerStat.LastPosition = lastPos
peerStat.ErrorCount = lastErrors
tx.Append(peerStat.Encode().Fill())
return nil
})
}
}
// ExpireFromIndex reads the expire index and expires messages as they are recorded
func (store Store) ExpireFromIndex() {
// ExpireRun
delMessages, err := store.db.SelectMessageExpire(CurrentTime())
if err != nil {
log.Errorf("ExpireFromIndex, SelectMessageExpire: %s\n", err)
return
}
for _, msg := range delMessages {
err := store.db.DeleteBlob(&msg.MessageID)
if err != nil {
log.Errorf("ExpireFromIndex, DeleteBlob: %s %s\n", err, utils.B58encode(msg.MessageID[:]))
continue
}
err = store.db.DeleteMessageByID(&msg.MessageID)
if err != nil {
log.Errorf("ExpireFromIndex, DeleteMessageByID: %s %s\n", err, utils.B58encode(msg.MessageID[:]))
}
}
_, _, err = store.db.ExpireSigners(MaxAgeSigners)
if err != nil {
log.Errorf("ExpireFromIndex, ExpireSigners: %s\n", err)
}
err = store.db.ExpireMessageCounter(MaxAgeRecipients)
if err != nil {
log.Errorf("ExpireFromIndex, ExpireMessageCounter: %s\n", err)
}
err = store.db.ForgetMessages(CurrentTime() - MaxAgeRecipients)
if err != nil {
log.Errorf("ExpireFromIndex, ForgetMessages: %s\n", err)
}
}
// UpdatePeerNotification updates the peer stat after notification send
func (store Store) UpdatePeerNotification(pubkey *[ed25519.PublicKeySize]byte, hasError bool) {
if store.peersindex.Index(pubkey[:]).Exists() {
store.peersindex.Index(pubkey[:]).Update(func(tx fileback.Tx) error {
last := tx.GetLast()
if last == nil {
log.Errorf("Peer last nil: %x\n", *pubkey)
return nil
}
peerStat := structs.PeerStructDecode(last)
if peerStat == nil {
log.Errorf("Peer stat nil: %x\n", *pubkey)
return nil
}
peerStat.LastNotifySend = uint64(time.Now().Unix())
if hasError {
peerStat.ErrorCount++
}
tx.Append(peerStat.Encode().Fill())
return nil
})
}
}
// CmdGenKey generates a long-term public key
func CmdGenKey() int {
privkey, err := message.GenLongTermKey(OptionsVar.Hidden, OptionsVar.Sync)
if err != nil {
log.Errorf("Key generation error:%s\n", err)
return 1
}
pubkey := message.GenPubKey(privkey)
log.Dataf("STATUS (PrivateKey):\t%s\n", utils.B58encode(privkey[:]))
// log.Dataf("STATUS (PublicKey):\t%s\n", utils.B58encode(pubkey[:]))
log.Printf("PRIVATE key: %s\n\n", utils.B58encode(privkey[:]))
// log.Printf("Public key: %s\n", utils.B58encode(pubkey[:]))
_ = pubkey
return 0
}
// CmdSTM does an STM run to specific server and from specific stmdir
func CmdSTM() int {
if OptionsVar.Server == "" {
log.Fatal("Server must be specified: --server\n")
return 1
}
if OptionsVar.Stmdir == "" {
log.Fatal("Missing parameter: --stmdir\n")
return 1
}
if !isDir(OptionsVar.Stmdir) {
log.Fatalf("stmdir does not exist or is no directory: %s\n", OptionsVar.Stmdir)
return 1
}
err := listSTM(OptionsVar.Stmdir) // Todo: Test if dir exists
if err != nil {
log.Errorf("STM Process errors: %s\n", err)
return 1
}
return 0
}
// CmdGenTempKey generates a temporary key for a given private key
func CmdGenTempKey() int {
var privkey message.Curve25519Key
privkeystr := selectPrivKey(OptionsVar.Privkey, GlobalConfigVar.PrivateKey, "tty")
if privkeystr == "" {
log.Fatal("No private key given (-privkey)")
return 1
}
copy(privkey[:], utils.B58decode(privkeystr))
pubkey := message.GenPubKey(&privkey)
privkeytemp, err := message.GenRandomKey()
if err != nil {
log.Errorf("Key generation error:%s\n", err)
return 1
}
pubkeytemp := message.GenPubKey(privkeytemp)
log.Dataf("STATUS (PrivateKey):\t%s_%s\n", utils.B58encode(privkey[:]), utils.B58encode(privkeytemp[:]))
log.Dataf("STATUS (PublicKey):\t%s_%s\n", utils.B58encode(pubkey[:]), utils.B58encode(pubkeytemp[:]))
log.Printf("PRIVATE key: %s_%s\n\n", utils.B58encode(privkey[:]), utils.B58encode(privkeytemp[:]))
log.Printf("Public key: %s_%s\n", utils.B58encode(pubkey[:]), utils.B58encode(pubkeytemp[:]))
return 0
}
func runCommands() (retval int) {
log.SetMinLevel(log.LevelPrint)
if options.Appdata {
log.SetMinLevel(log.LevelData)
}
if options.Verbose {
log.SetMinLevel(log.LevelDebug)
}
if options.KEYVERB {
log.SetMinLevel(log.LevelSecret)
}
usercfgfile := client.UserConfigFile()
if options.Configfile != "" || usercfgfile != "" {
configFile := usercfgfile
if options.Configfile != "" {
configFile = options.Configfile
}
globalconfigT, err := client.LoadConfigFile(configFile)
if err == nil {
globalconfig = globalconfigT
} else {
log.Errorf("Config file failed to load: %s\n", err)
}
}
for k, v := range commands {
if *v {
if callFunc[k] != nil {
client.OptionsVar = options
client.GlobalConfigVar = globalconfig
retval = callFunc[k]()
} else {
log.Fatal("Command not implemented")
return 100
}
log.Sync()
break
}
}
return
}
func getPeers(force bool) error {
log.Debugf("Peer update called. Last: %d\n", GlobalConfigVar.PeerUpdate)
if GlobalConfigVar.PeerUpdate == 0 || GlobalConfigVar.PeerUpdate < (time.Now().Unix()-PeerUpdateDuration) {
log.Debugs("Peer update forced. Prevent by running -peerlist.\n")
force = true
}
if force {
log.Debugs("Updating peers.\n")
defer log.Debugs("Peer update done.\n")
GlobalConfigVar.PeerUpdate = time.Now().Unix()
server := OptionsVar.Server
if server == "" && GlobalConfigVar.PasteServers != nil && len(GlobalConfigVar.PasteServers) > 0 { // no server defined, we select one
servercount := len(GlobalConfigVar.PasteServers)
rand.Seed(time.Now().UnixNano())
pos := rand.Int() % servercount
server = GlobalConfigVar.PasteServers[pos]
}
if server == "" {
server = GlobalConfigVar.BootStrapPeer
}
if server == "" {
return ErrNoPeers
}
proto := repproto.New(OptionsVar.Socksserver, OptionsVar.Server, GlobalConfigVar.PasteServers...)
serverInfo, err := proto.ID(server)
if err != nil {
return ErrNoPeers
}
if serverInfo.Peers != nil && len(serverInfo.Peers) > 0 {
GlobalConfigVar.PasteServers = serverInfo.Peers
GlobalConfigVar.MinHashCash = serverInfo.MinHashCashBits
err := WriteConfigFile(GlobalConfigVar)
if err != nil {
log.Errorf("Error writing config-file: %s\n", err)
}
}
}
return nil
}
// UpdatePeerAuthToken updates the peer record when a new auth token has been received
func (store Store) UpdatePeerAuthToken(senderPubKey *[ed25519.PublicKeySize]byte, signedToken *[keyproof.ProofTokenSignedSize]byte) {
err := store.db.UpdatePeerToken(senderPubKey, signedToken)
if err != nil {
log.Errorf("UpdatePeerAuthToken: %s, %s\n", err, utils.B58encode(senderPubKey[:]))
}
}
// Put stores a message in the message store WITHOUT notifying the notify backend
func (store Store) Put(msgStruct *structs.MessageStruct, signerStruct *structs.SignerStruct, message []byte) error {
// Check if message exists
if store.MessageExists(msgStruct.MessageID) {
return ErrDuplicate
}
// Check if signer exists, load last from signer
signerLoaded := structs.SignerStructDecode(store.signers.Index(signerStruct.PublicKey[:]).GetLast())
if signerLoaded != nil {
// Old signer is better
if signerLoaded.Bits > signerStruct.Bits {
signerStruct.Bits = signerLoaded.Bits
signerStruct.Nonce = signerLoaded.Nonce
signerStruct.MaxMessagesPosted = signerLoaded.MaxMessagesPosted
signerStruct.MaxMessagesRetained = signerLoaded.MaxMessagesRetained
}
// Update post data
signerStruct.MessagesPosted = signerLoaded.MessagesPosted
signerStruct.MessagesRetained = signerLoaded.MessagesRetained
}
// Verify signer
if signerStruct.MessagesPosted >= signerStruct.MaxMessagesPosted {
return ErrPostLimit
}
if signerStruct.MessagesRetained >= signerStruct.MaxMessagesRetained {
// Retention is changed by expiring messages
return ErrPostLimit
}
msgStruct.PostTime = uint64(time.Now().Unix())
msgStruct.ExpireTime = uint64(uint64(time.Now().Unix()) + signerStruct.ExpireTarget)
if msgStruct.ExpireTime < msgStruct.ExpireRequest {
msgStruct.ExpireTime = msgStruct.ExpireRequest
}
// Update signer
err := store.signers.Index(signerStruct.PublicKey[:]).CreateAppend(signerStruct.Encode()) // Ignore errors on signer update. They don't matter much
if err != nil {
log.Errorf("messagestore, update signer: %s", err)
}
// Write message. Message is prefixed by encoded messageStruct
msgStructEncoded := msgStruct.Encode().Fill()
err = store.messages.Index(msgStruct.MessageID[:]).Create(append(msgStructEncoded, message...))
if err != nil {
log.Errorf("messagestore, write message: %s", err)
return err
}
if !msgStruct.OneTime && msgStruct.Sync {
// TX: Add to global index
if store.keyindex.Index(globalindex).Exists() {
err := store.keyindex.Index(globalindex).Update(func(tx fileback.Tx) error { // Ignore errors
return updateKeyIndex(tx, msgStruct, msgStructEncoded)
})
if err != nil {
log.Errorf("messagestore, globalindex append: %s", err)
}
} else {
err := store.keyindex.Index(globalindex).CreateAppend(msgStructEncoded)
if err != nil {
log.Errorf("messagestore, globalindex createAppend: %s", err)
}
}
}
// TX: Add to key index
if store.keyindex.Index(msgStruct.ReceiverConstantPubKey[:]).Exists() {
err := store.keyindex.Index(msgStruct.ReceiverConstantPubKey[:]).Update(func(tx fileback.Tx) error { // Ignore errors
return updateKeyIndex(tx, msgStruct, msgStructEncoded)
})
if err != nil {
log.Errorf("messagestore, receiverPub append: %s", err)
}
} else {
err := store.keyindex.Index(msgStruct.ReceiverConstantPubKey[:]).CreateAppend(msgStructEncoded)
if err != nil {
log.Errorf("messagestore, receiverPub createAppend: %s", err)
}
}
// Add to expire
expire := &structs.ExpireStruct{
ExpireTime: msgStruct.ExpireTime,
MessageID: msgStruct.MessageID,
SignerPubKey: msgStruct.SignerPub,
}
expireTime := (msgStruct.ExpireTime / uint64(ExpireRun)) + uint64(ExpireRun)
err = store.expireindex.Index(utils.EncodeUInt64(expireTime)).CreateAppend(expire.Encode().Fill())
if err != nil {
log.Errorf("messagestore, record expire: %s", err)
}
return nil
}
// UpdatePeerNotification updates the peer stat after notification send
func (store Store) UpdatePeerNotification(pubkey *[ed25519.PublicKeySize]byte, hasError bool) {
err := store.db.UpdatePeerNotification(pubkey, hasError)
if err != nil {
log.Errorf("UpdatePeerNotification: %s, %x\n", err, *pubkey)
}
}
// CmdEncrypt encrypts data.
func CmdEncrypt() int {
var privkey, embedConstantPrivKey, embedTemporaryPrivKey, embedConstantPubKey, embedTemporaryPubKey *message.Curve25519Key
var err error
var inData, encMessage []byte
var meta *message.MetaDataSend
var signKeyPair *message.SignKeyPair
var removeFile string
if OptionsVar.Server == "" {
getPeers(false)
}
// OptionsVar.anonymous . disable private key and signkey
if OptionsVar.Anonymous {
OptionsVar.Signkey = ""
OptionsVar.Privkey = ""
GlobalConfigVar.PrivateKey = ""
}
mindelay := uint32(OptionsVar.Mindelay)
maxdelay := uint32(OptionsVar.Maxdelay)
// Read input data
maxInData := int64(GlobalConfigVar.BodyLength - (message.Curve25519KeySize * 2) - innerHeader)
//maxInData := int64(MsgSizeLimit)
if OptionsVar.Repost {
maxInData -= utils.RepostHeaderSize - message.KeyHeaderSize - message.SignHeaderSize
}
log.Debugf("Size limit: %d\n", maxInData)
inData, err = inputData(OptionsVar.Infile, maxInData)
if err != nil {
log.Fatalf("No input data: %s\n", err)
return 1
}
// Verify list contents
if OptionsVar.MessageType == message.MsgTypeList {
err := utils.VerifyListContent(inData)
if err != nil {
log.Errorf("Could not verify list input: %s\n", err)
return 1
}
}
// Select private key to use
privkeystr := selectPrivKey(OptionsVar.Privkey, GlobalConfigVar.PrivateKey, "")
// Parse privkey
if privkeystr != "" {
privkey = new(message.Curve25519Key)
copy(privkey[:], utils.B58decode(privkeystr))
}
// Generate embedded keypairs
if OptionsVar.Embedkey {
if OptionsVar.Notrace || privkey == nil {
embedConstantPrivKey, err = message.GenLongTermKey(OptionsVar.Hidden, OptionsVar.Sync)
if err != nil {
log.Errorf("Key generation error:%s\n", err)
return 1
}
} else {
embedConstantPrivKey = privkey
}
embedConstantPubKey = message.GenPubKey(embedConstantPrivKey)
embedTemporaryPrivKey, err = message.GenRandomKey()
if err != nil {
log.Errorf("Key generation error:%s\n", err)
return 1
}
embedTemporaryPubKey = message.GenPubKey(embedTemporaryPrivKey)
}
embedded := utils.EncodeEmbedded(embedConstantPubKey, embedTemporaryPubKey)
recipientConstantPubKey, recipientTemporaryPubKey := utils.ParseKeyPair(OptionsVar.Recipientkey)
// Find a signature keypair if we can
signKeyDir := ""
if GlobalConfigVar.KeyDir != "" {
signKeyDir = GlobalConfigVar.KeyDir
}
if OptionsVar.Signdir != "" {
signKeyDir = OptionsVar.Signdir
}
if OptionsVar.Signkey != "" {
var d []byte
d, err = utils.MaxReadFile(2048, OptionsVar.Signkey)
if err == nil {
signKeyPair = new(message.SignKeyPair)
kp, err := signKeyPair.Unmarshal(d)
if err != nil {
log.Errorf("Sign keypair decode error: %s\n", err)
signKeyPair = nil
} else {
signKeyPair = kp
}
} else {
log.Errorf("Sign keypair read error: %s\n", err)
}
}
if signKeyPair == nil && signKeyDir != "" {
var d []byte
d, removeFile, err = utils.ReadRandomFile(signKeyDir, 2048)
if err == nil {
signKeyPair = new(message.SignKeyPair)
kp, err := signKeyPair.Unmarshal(d)
if err != nil {
log.Errorf("Sign keypair decode error: %s\n", err)
signKeyPair = nil
removeFile = ""
} else {
signKeyPair = kp
}
} else {
log.Errorf("Sign keypair read error: %s\n", err)
}
}
// Set up sender parameters
sender := message.Sender{
Signer: signKeyPair,
SenderPrivateKey: privkey,
ReceiveConstantPublicKey: recipientConstantPubKey,
ReceiveTemporaryPublicKey: recipientTemporaryPubKey,
TotalLength: GlobalConfigVar.BodyLength,
PadToLength: GlobalConfigVar.PadToLength,
HashCashBits: GlobalConfigVar.MinHashCash,
}
// We want encryption output in realtime
log.Sync()
inData = append(embedded, inData...)
if OptionsVar.Repost {
// Generate a repost-message
encMessage, meta, err = sender.EncryptRepost(byte(OptionsVar.MessageType), inData)
if err == nil {
rph := utils.EncodeRepostHeader(meta.PadKey, mindelay, maxdelay)
encMessage = append(rph[:], encMessage...)
log.Datas("STATUS (Process):\tPREPOST\n")
log.Dataf("STATUS (RepostSettings):\t%d %d\n", mindelay, maxdelay)
}
} else {
// Generate a normal message
encMessage, meta, err = sender.Encrypt(byte(OptionsVar.MessageType), inData)
if err == nil {
log.Datas("STATUS (Process):\tPOST\n")
}
}
if err != nil {
log.Fatalf("Encryption failed: %s\n", err)
return 1
}
log.Sync()
// Output. repost is only written to stdout or file
if OptionsVar.Outfile == "-" || (OptionsVar.Repost && OptionsVar.Outfile == "") {
err = utils.WriteStdout(encMessage)
// Display data as necessary
if err == nil {
log.Dataf("STATUS (RecPubKey):\t%s\n", utils.B58encode(meta.ReceiverConstantPubKey[:]))
if OptionsVar.Embedkey {
log.Dataf("STATUS (EmbedPublicKey):\t%s_%s\n", utils.B58encode(embedConstantPubKey[:]), utils.B58encode(embedTemporaryPubKey[:]))
log.Dataf("STATUS (EmbedPrivateKey):\t%s_%s\n", utils.B58encode(embedConstantPrivKey[:]), utils.B58encode(embedTemporaryPrivKey[:]))
}
if meta.MessageKey != nil {
log.Dataf("STATUS (ListInput):\tNULL %s %s\n", utils.B58encode(meta.MessageID[:]), utils.B58encode(meta.MessageKey[:]))
log.Dataf("STATUS (Message):\t%s_%s\n", utils.B58encode(meta.MessageID[:]), utils.B58encode(meta.MessageKey[:]))
} else {
log.Dataf("STATUS (ListInput):\tNULL %s NULL\n", utils.B58encode(meta.MessageID[:]))
log.Dataf("STATUS (MessageID):\t%s\n", utils.B58encode(meta.MessageID[:]))
}
}
} else if OptionsVar.Outfile != "" || OptionsVar.Repost {
err = utils.WriteNewFile(OptionsVar.Outfile, encMessage)
// Display data as necessary
log.Dataf("STATUS (RecPubKey):\t%s\n", utils.B58encode(meta.ReceiverConstantPubKey[:]))
if err == nil {
if OptionsVar.Embedkey {
log.Dataf("STATUS (EmbedPublicKey):\t%s_%s\n", utils.B58encode(embedConstantPubKey[:]), utils.B58encode(embedTemporaryPubKey[:]))
log.Dataf("STATUS (EmbedPrivateKey):\t%s_%s\n", utils.B58encode(embedConstantPrivKey[:]), utils.B58encode(embedTemporaryPrivKey[:]))
}
if meta.MessageKey != nil {
log.Dataf("STATUS (ListInput):\tNULL %s %s\n", utils.B58encode(meta.MessageID[:]), utils.B58encode(meta.MessageKey[:]))
log.Dataf("STATUS (Message):\t%s_%s\n", utils.B58encode(meta.MessageID[:]), utils.B58encode(meta.MessageKey[:]))
log.Printf("Pastebin Address:\t%s_%s\n", utils.B58encode(meta.MessageID[:]), utils.B58encode(meta.MessageKey[:]))
} else {
log.Dataf("STATUS (ListInput):\tNULL %s NULL\n", utils.B58encode(meta.MessageID[:]))
log.Dataf("STATUS (MessageID):\t%s\n", utils.B58encode(meta.MessageID[:]))
log.Printf("Pastebin Address:\t%s\n", utils.B58encode(meta.MessageID[:]))
}
}
} else {
// Post to server
server := OptionsVar.Server
proto := repproto.New(OptionsVar.Socksserver, OptionsVar.Server, GlobalConfigVar.PasteServers...)
if server == "" {
server, err = proto.Post(meta.MessageID[:], encMessage)
} else {
err = proto.PostSpecific(server, encMessage)
}
sep := "/"
if server != "" && server[len(server)-1] == '/' {
sep = ""
}
if err == nil {
if meta.MessageKey != nil {
log.Dataf("STATUS (URL):\t%s/%s_%s\n", server, utils.B58encode(meta.MessageID[:]), utils.B58encode(meta.MessageKey[:]))
}
if OptionsVar.Embedkey {
log.Dataf("STATUS (EmbedPublicKey):\t%s_%s\n", utils.B58encode(embedConstantPubKey[:]), utils.B58encode(embedTemporaryPubKey[:]))
log.Dataf("STATUS (EmbedPrivateKey):\t%s_%s\n", utils.B58encode(embedConstantPrivKey[:]), utils.B58encode(embedTemporaryPrivKey[:]))
}
if meta.MessageKey != nil {
log.Dataf("STATUS (ListInput):\t%s %s %s\n", server, utils.B58encode(meta.MessageID[:]), utils.B58encode(meta.MessageKey[:]))
log.Dataf("STATUS (Message):\t%s_%s\n", utils.B58encode(meta.MessageID[:]), utils.B58encode(meta.MessageKey[:]))
log.Printf("Pastebin Address:\t%s%s%s_%s\n", server, sep, utils.B58encode(meta.MessageID[:]), utils.B58encode(meta.MessageKey[:]))
} else {
log.Dataf("STATUS (ListInput):\t%s %s NULL\n", server, utils.B58encode(meta.MessageID[:]))
log.Dataf("STATUS (MessageID):\t%s\n", utils.B58encode(meta.MessageID[:]))
log.Printf("Pastebin Address:\t%s%s%s\n", server, sep, utils.B58encode(meta.MessageID[:]))
}
}
}
if err != nil {
log.Fatalf("Output failed: %s\n", err)
log.Sync()
return 1
}
if removeFile != "" {
// Operation has been successful, remove signer keyfile (if any)
os.Remove(removeFile)
}
return 0
}
// TouchPeer creates a peer entry if it does not exist yet
func (store Store) TouchPeer(pubkey *[ed25519.PublicKeySize]byte) {
err := store.db.TouchPeer(pubkey)
if err != nil {
log.Errorf("TouchPeer: %s, %s\n", err, utils.B58encode(pubkey[:]))
}
}
// UpdatePeerFetchStat writes fetch-specific data
func (store Store) UpdatePeerFetchStat(pubkey *[ed25519.PublicKeySize]byte, lastFetch, lastPos, lastErrors uint64) {
err := store.db.UpdatePeerStats(pubkey, lastFetch, lastPos, lastErrors)
if err != nil {
log.Errorf("UpdatePeerStats: %s, %s\n", err, utils.B58encode(pubkey[:]))
}
}
// UpdatePeerNotification updates the peer stat after notification send
func (store Store) UpdatePeerNotification(pubkey *[ed25519.PublicKeySize]byte, hasError bool) {
err := store.db.UpdatePeerNotification(pubkey, hasError)
if err != nil {
log.Errorf("UpdatePeerNotification: %s, %s\n", err, utils.B58encode(pubkey[:]))
}
}
// TouchPeer creates a peer entry if it does not exist yet
func (store Store) TouchPeer(pubkey *[ed25519.PublicKeySize]byte) {
err := store.db.TouchPeer(pubkey)
if err != nil {
log.Errorf("TouchPeer: %s, %x\n", err, *pubkey)
}
}