OAuth1 in bash

bash-oauth1.sh

#!/bin/bash

# oauth1 simulator http://lti.tools/oauth/

urlencode () {
        [ -n "$1" ] \
        && echo -n "$1" | perl -p -e 's/([^A-Za-z0-9-._~])/sprintf("%%%02X", ord($1))/seg'
}

#oauth1 vars
consumer_key="key"
consumer_secret="secret"
token=
token_secret=
signature_method='HMAC-SHA1'
timestamp=$(date +%s)
#timestamp=1556970530
#linux
#nonce=$(md5sum <<< "$RANDOM-$(date +%s.%N)" | cut -d' ' -f 1)
#mac
nonce=$(md5 <<< "$RANDOM-$(gdate +%s.%N)" | cut -d' ' -f 1)
#nonce=1

url="http://localhost:5000/api"
encodedURL=$(urlencode $url)
PARAM=$(urlencode "oauth_consumer_key=$consumer_key&oauth_nonce=$nonce&oauth_signature_method=$signature_method&oauth_timestamp=$timestamp&oauth_token=$token&oauth_version=1.0")
signature=$(echo -n 'POST&'$URL'&'$PARAM|openssl dgst -sha1 -binary -hmac "$consumer_secret&$token_secret" |base64)
encoded_signature=$(urlencode $signature)


curl -v  -X POST \
  $url \
  -H "Authorization: OAuth oauth_consumer_key=\"$consumer_key\",oauth_token=\"$token\",oauth_signature_method=\"$signature_method\",oauth_timestamp=\"$timestamp\",oauth_nonce=\"$nonce\",oauth_version=\"1.0\",oauth_signature=\"$encoded_signature\"" \
  -H 'Content-Type: application/json' \
  -H 'cache-control: no-cache' \
  -d '{ "key" : "value" } '

Thank you for this one. I've successfully sent a request to Twitter API.
Just a correction, in signature calculation, replace $URL with $encodedURL in the echo command.

Thank you for this one. I've successfully sent a request to Twitter API. Just a correction, in signature calculation, replace $URL with $encodedURL in the echo command.

+1