45 lines
1.4 KiB
Nim
45 lines
1.4 KiB
Nim
## Nim-Codex
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## Copyright (c) 2022 Status Research & Development GmbH
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## Licensed under either of
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## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
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## * MIT license ([LICENSE-MIT](LICENSE-MIT))
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## at your option.
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## This file may not be copied, modified, or distributed except according to
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## those terms.
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import pkg/upraises
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push: {.upraises: [].}
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import pkg/chronicles
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import pkg/questionable/results
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import pkg/libp2p/crypto/crypto
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import ./fileutils
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import ../errors
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import ../rng
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export crypto
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type
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CodexKeyError = object of CodexError
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CodexKeyUnsafeError = object of CodexKeyError
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proc setupKey*(path: string): ?!PrivateKey =
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if not path.fileAccessible({AccessFlags.Find}):
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info "Creating a private key and saving it"
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let
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res = ? PrivateKey.random(Rng.instance()[]).mapFailure(CodexKeyError)
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bytes = ? res.getBytes().mapFailure(CodexKeyError)
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? path.secureWriteFile(bytes).mapFailure(CodexKeyError)
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return PrivateKey.init(bytes).mapFailure(CodexKeyError)
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info "Found a network private key"
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if not ? checkSecureFile(path).mapFailure(CodexKeyError):
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warn "The network private key file is not safe, aborting"
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return failure newException(
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CodexKeyUnsafeError, "The network private key file is not safe")
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let kb = ? path.readAllBytes().mapFailure(CodexKeyError)
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return PrivateKey.init(kb).mapFailure(CodexKeyError)
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