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https://github.com/marcusgrass/jwt-decode
A small jwt-decoding binary
https://github.com/marcusgrass/jwt-decode
Last synced: 21 days ago
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A small jwt-decoding binary
- Host: GitHub
- URL: https://github.com/marcusgrass/jwt-decode
- Owner: MarcusGrass
- License: gpl-3.0
- Created: 2024-08-29T17:31:47.000Z (5 months ago)
- Default Branch: main
- Last Pushed: 2024-08-29T18:30:04.000Z (5 months ago)
- Last Synced: 2024-11-08T05:12:36.801Z (2 months ago)
- Language: Rust
- Homepage:
- Size: 29.3 KB
- Stars: 1
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: Readme.md
- License: LICENSE
Awesome Lists containing this project
README
# Jwt decode
A tiny cli for decoding `JWTs` (specifically the [JWS kind](https://datatracker.ietf.org/doc/html/rfc7515)).
## Why?
I have found myself having to look to see what's inside a `JWT` many times,
I do think [jwt.io](https://jwt.io/) is trustworthy, but I'm too paranoid to use it.
I just want a CLI where I can examine my `JWTs` locally, that's why I made this.
You could also check [stackoverflow](https://stackoverflow.com/questions/75776014/cant-correctly-decode-jwt-payload-using-base64-d),
and really, I could have just aliased that monster of an expression, but I thought this
was a bit more fun.
## Features
Decode a jwt as an arg showing relative time
```bash
jwt-decode eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNzI0OTUyOTQwLCJuYmYiOjE3MjQ5NTI5NTAsImV4cCI6MTcyNDk5Mjk0MH0.ZrQSkD_tzm7yyTC0Cw3_qmBRZhi0QCirL4hfICAWNr0 -v -r
# Outputs:
# Header {
# "alg": "HS256",
# "typ": "JWT"
# }
# Payload {
# "exp": "1724992940 [2024-08-30 4:42:20.0 +00:00:00 (In 39843 seconds)]",
# "iat": "1724952940 [2024-08-29 17:35:40.0 +00:00:00 (157 seconds ago)]",
# "name": "John Doe",
# "nbf": "1724952950 [2024-08-29 17:35:50.0 +00:00:00 (147 seconds ago)]",
# "sub": "1234567890"
# }
```
Or just as an arg without time
```bash
jwt-decode -v eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiI3Nzc3NyIsIm5hbWUiOiJNeSB0ZXN0IG5hbWUiLCJpYXQiOjE1MTYyMzkwMzl9.r0YSbk-Gjr4gWATqbDnirs102IUBQRru-_TNu5AtE18
# Outputs:
# Header {
# "alg": "HS256",
# "typ": "JWT"
# }
# Payload {
# "iat": 1516239039,
# "name": "My test name",
# "sub": "77777"
# }
```
Or piped
```bash
echo eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiI3Nzc3NyIsIm5hbWUiOiJNeSB0ZXN0IG5hbWUiLCJpYXQiOjE1MTYyMzkwMzl9.r0YSbk-Gjr4gWATqbDnirs102IUBQRru-_TNu5AtE18 | jwt-decode -v
# Same output as above
```
Or from a file
```bash
jwt-decode -v -p ./.local/data/test.jwt
# Same output as above
```
Output only the header
```bash
jwt-decode -p ./.local/data/test.jwt -o header
# Output:
# {
# "alg": "HS256",
# "typ": "JWT"
# }
```
Or the payload
```bash
jwt-decode -p ./.local/data/test.jwt -o payload
# Output:
# {
# "iat": 1516239039,
# "name": "My test name",
# "sub": "77777"
# }
```
## License
Licensed under [GPL-3.0](./LICENSE)