81 lines
2.1 KiB
Go
81 lines
2.1 KiB
Go
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package i2pkeys
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import (
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"fmt"
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"net"
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"strings"
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"github.com/sirupsen/logrus"
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)
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/*
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HELLO VERSION MIN=3.1 MAX=3.1
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DEST GENERATE SIGNATURE_TYPE=7
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*/
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func NewDestination() (*I2PKeys, error) {
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removeNewlines := func(s string) string {
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return strings.ReplaceAll(strings.ReplaceAll(s, "\r\n", ""), "\n", "")
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}
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//
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log.Debug("Creating new destination via SAM")
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conn, err := net.Dial("tcp", "127.0.0.1:7656")
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if err != nil {
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return nil, err
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}
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defer conn.Close()
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_, err = conn.Write([]byte("HELLO VERSION MIN=3.1 MAX=3.1\n"))
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if err != nil {
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log.WithError(err).Error("Error writing to SAM bridge")
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return nil, err
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}
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buf := make([]byte, 4096)
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n, err := conn.Read(buf)
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if err != nil {
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log.WithError(err).Error("Error reading from SAM bridge")
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return nil, err
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}
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if n < 1 {
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log.Error("No data received from SAM bridge")
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return nil, fmt.Errorf("no data received")
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}
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response := string(buf[:n])
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log.WithField("response", response).Debug("Received response from SAM bridge")
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if strings.Contains(string(buf[:n]), "RESULT=OK") {
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_, err = conn.Write([]byte("DEST GENERATE SIGNATURE_TYPE=7\n"))
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if err != nil {
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log.WithError(err).Error("Error writing DEST GENERATE to SAM bridge")
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return nil, err
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}
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n, err = conn.Read(buf)
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if err != nil {
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log.WithError(err).Error("Error reading destination from SAM bridge")
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return nil, err
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}
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if n < 1 {
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log.Error("No destination data received from SAM bridge")
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return nil, fmt.Errorf("no destination data received")
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}
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pub := strings.Split(strings.Split(string(buf[:n]), "PRIV=")[0], "PUB=")[1]
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_priv := strings.Split(string(buf[:n]), "PRIV=")[1]
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priv := removeNewlines(_priv) //There is an extraneous newline in the private key, so we'll remove it.
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log.WithFields(logrus.Fields{
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"_priv(pre-newline removal)": _priv,
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"priv": priv,
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}).Debug("Removed newline")
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log.Debug("Successfully created new destination")
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return &I2PKeys{
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Address: I2PAddr(pub),
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Both: pub + priv,
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}, nil
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}
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log.Error("No RESULT=OK received from SAM bridge")
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return nil, fmt.Errorf("no result received")
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}
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