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Decode a JWT via command line
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# will not work in all cases, see https://gist.github.com/angelo-v/e0208a18d455e2e6ea3c40ad637aac53#gistcomment-3439904 | |
function jwt-decode() { | |
sed 's/\./\n/g' <<< $(cut -d. -f1,2 <<< $1) | base64 --decode | jq | |
} | |
JWT=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiYWRtaW4iOnRydWV9.TJVA95OrM7E2cBab30RMHrHDcEfxjoYZgeFONFh7HgQ | |
jwt-decode $JWT |
What about echo "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiYWRtaW4iOnRydWV9.TJVA95OrM7E2cBab30RMHrHDcEfxjoYZgeFONFh7HgQ" | cut -d '.' -f 2 | base64 -d
@indian0ch thanks 👍🏻
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Oh, beware though that
basenc
complains about missing=
signs, even in--base64url
mode, so you'll also need to suppress stderr.