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fix: outgoing messages should not be decrypted

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kaichaosun 2025-11-28 16:09:02 +08:00
parent c6e03686fe
commit 523dca43e1
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3 changed files with 6 additions and 1 deletions
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4
src/chat_sdk/conversations/private_v1.nim
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@ -94,6 +94,10 @@ proc decrypt*(convo: PrivateV1, enc: EncryptedPayload): Result[seq[byte], ChatEr
) )
copyMem(addr header.dhPublic[0], unsafeAddr dr.dh[0], dr.dh.len) # TODO: Avoid this copy copyMem(addr header.dhPublic[0], unsafeAddr dr.dh[0], dr.dh.len) # TODO: Avoid this copy
if convo.doubleratchet.dhSelf.public == header.dhPublic:
info "outgoing message, no need to decrypt"
return err(ChatError(code: errDecryptOutgoing, context: "Attempted to decrypt outgoing message"))
convo.doubleratchet.decrypt(header, dr.ciphertext, @[]).mapErr(proc(e: NaxolotlError): ChatError = ChatError(code: errWrapped, context: repr(e) )) convo.doubleratchet.decrypt(header, dr.ciphertext, @[]).mapErr(proc(e: NaxolotlError): ChatError = ChatError(code: errWrapped, context: repr(e) ))

1
src/chat_sdk/errors.nim
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@ -8,6 +8,7 @@ type
ErrorCode* = enum ErrorCode* = enum
errTypeError errTypeError
errWrapped errWrapped
errDecryptOutgoing
proc `$`*(x: ChatError): string = proc `$`*(x: ChatError): string =

2
src/naxolotl/naxolotl.nim
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@ -16,7 +16,7 @@ const maxSkip = 10
type Doubleratchet* = object type Doubleratchet* = object
dhSelf: PrivateKey dhSelf*: PrivateKey
dhRemote: PublicKey dhRemote: PublicKey
rootKey: RootKey rootKey: RootKey