Merge pull request #16231 from gluk256/303-reader

whisper: filereader mode introduced to wnode
pull/16239/merge
gluk256 7 years ago committed by GitHub
commit 66cd41af1e
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GPG Key ID: 4AEE18F83AFDEB23
  1. 37
      cmd/wnode/main.go
  2. 4
      whisper/whisperv6/envelope.go

@ -86,6 +86,7 @@ var (
asymmetricMode = flag.Bool("asym", false, "use asymmetric encryption")
generateKey = flag.Bool("generatekey", false, "generate and show the private key")
fileExMode = flag.Bool("fileexchange", false, "file exchange mode")
fileReader = flag.Bool("filereader", false, "load and decrypt messages saved as files, display as plain text")
testMode = flag.Bool("test", false, "use of predefined parameters for diagnostics (password, etc.)")
echoMode = flag.Bool("echo", false, "echo mode: prints some arguments for diagnostics")
@ -433,6 +434,8 @@ func run() {
requestExpiredMessagesLoop()
} else if *fileExMode {
sendFilesLoop()
} else if *fileReader {
fileReaderLoop()
} else {
sendLoop()
}
@ -483,6 +486,40 @@ func sendFilesLoop() {
}
}
func fileReaderLoop() {
watcher1 := shh.GetFilter(symFilterID)
watcher2 := shh.GetFilter(asymFilterID)
if watcher1 == nil && watcher2 == nil {
fmt.Println("Error: neither symmetric nor asymmetric filter is installed")
close(done)
return
}
for {
s := scanLine("")
if s == quitCommand {
fmt.Println("Quit command received")
close(done)
return
}
raw, err := ioutil.ReadFile(s)
if err != nil {
fmt.Printf(">>> Error: %s \n", err)
} else {
env := whisper.Envelope{Data: raw} // the topic is zero
msg := env.Open(watcher1) // force-open envelope regardless of the topic
if msg == nil {
msg = env.Open(watcher2)
}
if msg == nil {
fmt.Printf(">>> Error: failed to decrypt the message \n")
} else {
printMessageInfo(msg)
}
}
}
}
func scanLine(prompt string) string {
if len(prompt) > 0 {
fmt.Print(prompt)

@ -208,6 +208,10 @@ func (e *Envelope) OpenSymmetric(key []byte) (msg *ReceivedMessage, err error) {
// Open tries to decrypt an envelope, and populates the message fields in case of success.
func (e *Envelope) Open(watcher *Filter) (msg *ReceivedMessage) {
if watcher == nil {
return nil
}
// The API interface forbids filters doing both symmetric and asymmetric encryption.
if watcher.expectsAsymmetricEncryption() && watcher.expectsSymmetricEncryption() {
return nil

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