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Allow missing recipient for drafts

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This commit is contained in:
Christian Basler
2018-02-16 17:04:24 +01:00
parent fab1c06135
commit 681ea148db
2 changed files with 59 additions and 18 deletions
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52
core/src/main/kotlin/ch/dissem/bitmessage/entity/Plaintext.kt
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@ -87,10 +87,10 @@ class Plaintext private constructor(
if (to == null) {
return
}
if (this.to != null) {
if (this.to!!.version != 0L)
this.to?.let {
if (it.version != 0L)
throw IllegalStateException("Correct address already set")
if (!Arrays.equals(this.to!!.ripe, to.ripe)) {
if (!Arrays.equals(it.ripe, to.ripe)) {
throw IllegalArgumentException("RIPEs don't match")
}
}
@ -187,7 +187,8 @@ class Plaintext private constructor(
Factory.getObjectMessage(
3,
ByteArrayInputStream(ackMessage),
ackMessage.size)
ackMessage.size
)
} else null
},
conversationId = conversationId,
@ -243,7 +244,8 @@ class Plaintext private constructor(
Factory.getObjectMessage(
3,
ByteArrayInputStream(ackMsg),
ackMsg.size)
ackMsg.size
)
} else {
Factory.createAck(builder.from!!, builder.ackData, builder.ttl)
}
@ -462,7 +464,12 @@ class Plaintext private constructor(
}
}.invoke()
if (item.type == MSG) {
out.write(item.to?.ripe ?: throw IllegalStateException("No recipient set for message"))
// A draft without recipient is allowed, therefore this workaround.
item.to?.let { out.write(it.ripe) } ?: if (item.status == Status.DRAFT) {
out.write(ByteArray(20))
} else {
throw IllegalStateException("No recipient set for message")
}
}
Encode.varInt(item.encodingCode, out)
Encode.varInt(item.message.size, out)
@ -508,7 +515,12 @@ class Plaintext private constructor(
}
}
if (item.type == MSG) {
buffer.put(item.to!!.ripe)
// A draft without recipient is allowed, therefore this workaround.
item.to?.let { buffer.put(it.ripe) } ?: if (item.status == Status.DRAFT) {
buffer.put(ByteArray(20))
} else {
throw IllegalStateException("No recipient set for message")
}
}
Encode.varInt(item.encodingCode, buffer)
Encode.varBytes(item.message, buffer)
@ -727,15 +739,17 @@ class Plaintext private constructor(
internal fun prepare(): Builder {
if (from == null) {
from = BitmessageAddress(Factory.createPubkey(
addressVersion,
stream,
publicSigningKey!!,
publicEncryptionKey!!,
nonceTrialsPerByte,
extraBytes,
behaviorBitfield
))
from = BitmessageAddress(
Factory.createPubkey(
addressVersion,
stream,
publicSigningKey!!,
publicEncryptionKey!!,
nonceTrialsPerByte,
extraBytes,
behaviorBitfield
)
)
}
if (to == null && type != Type.BROADCAST && destinationRipe != null) {
to = BitmessageAddress(0, 0, destinationRipe!!)
@ -743,7 +757,7 @@ class Plaintext private constructor(
if (preventAck) {
ackData = null
ackMessage = null
} else if (type == MSG && ackMessage == null && ackData == null) {
} else if (type == MSG && ackMessage == null && ackData == null && to?.has(Feature.DOES_ACK) == true) {
ackData = cryptography().randomBytes(Msg.ACK_LENGTH)
}
if (ttl <= 0) {
@ -784,7 +798,9 @@ class Plaintext private constructor(
.publicEncryptionKey(Decode.bytes(input, 64))
.nonceTrialsPerByte(if (version >= 3) Decode.varInt(input) else 0)
.extraBytes(if (version >= 3) Decode.varInt(input) else 0)
.destinationRipe(if (type == MSG) Decode.bytes(input, 20) else null)
.destinationRipe(if (type == MSG) Decode.bytes(input, 20).let {
if (it.any { x -> x != 0.toByte() }) it else null
} else null)
.encoding(Decode.varInt(input))
.message(Decode.varBytes(input))
.ackMessage(if (type == MSG) Decode.varBytes(input) else null)