| 1 | const errors = require('../errors')
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| 2 | const Key = require('../jwk/key/base')
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| 3 | const importKey = require('../jwk/import')
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| 4 | const { KeyStore } = require('../jwks/keystore')
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| 5 |
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| 6 | module.exports = (input, keyStoreAllowed = false) => {
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| 7 | if (input instanceof Key) {
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| 8 | return input
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| 9 | }
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| 10 |
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| 11 | if (input instanceof KeyStore) {
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| 12 | if (!keyStoreAllowed) {
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| 13 | throw new TypeError('key argument for this operation must not be a JWKS.KeyStore instance')
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| 14 | }
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| 15 |
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| 16 | return input
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| 17 | }
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| 18 |
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| 19 | try {
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| 20 | return importKey(input)
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| 21 | } catch (err) {
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| 22 | if (err instanceof errors.JOSEError && !(err instanceof errors.JWKImportFailed)) {
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| 23 | throw err
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| 24 | }
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| 25 |
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| 26 | let msg
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| 27 | if (keyStoreAllowed) {
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| 28 | msg = 'key must be an instance of a key instantiated by JWK.asKey, a valid JWK.asKey input, or a JWKS.KeyStore instance'
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| 29 | } else {
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| 30 | msg = 'key must be an instance of a key instantiated by JWK.asKey, or a valid JWK.asKey input'
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| 31 | }
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| 32 |
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| 33 | throw new TypeError(msg)
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| 34 | }
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| 35 | }
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