git-secrets pattern provider

provider.sh

#!/usr/bin/env bash

set -eu

# Patterns
patterns=(
    # SSH private keys
    "[-]----BEGIN\\sRSA\\sPRIVATE\\sKEY-----"
    "[-]----BEGIN\\sDSA\\sPRIVATE\\sKEY-----"
    "[-]----BEGIN\\sEC\\sPRIVATE\\sKEY-----"
    "[-]----BEGIN\\sPGP\\sPRIVATE\\sKEY\\sBLOCK-----"
    
    # Docker access tokens
    "dckr_[A-Za-z0-9_]{20,48}"

    # Github access tokens
    "(^|\\W)gh[pousr]_[A-Za-z0-9_]{30,255}"

    # Google API key
    "(^|\\W)AIza[_0-9A-Za-z-]{35}"

    # Google Credential file
    "(\"type\":\\s\"service_account\"|\"privateKeyType\":\\s\"TYPE_GOOGLE_CREDENTIALS_FILE\",)"
    "(^|\\W)ya29\\.[_0-9A-Za-z-]+"
    "[h|H][e|E][r|R][o|O][k|K][u|U].*[0-9A-F]{8}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{12}"

    # Slack webhooks
    "https://hooks.slack.com/services/T[_0-9A-Za-z]{8}/B[_0-9A-Za-z]{8,10}/[_0-9A-Za-z]{24}"

    # Slack access tokens    
    "(xox[p|b|o|a]-[0-9]{12}-[0-9]{12}-[0-9]{12}-[a-z0-9]{32})"
    
    # Stripe API keys
    "sk_live_[0-9a-z]{32}"
    "sk_live_[0-9a-zA-Z]{24}"
    "rk_live_[0-9a-zA-Z]{24}"
    "sk_test_[0-9a-z]{32}"
    "sk_test_[0-9a-zA-Z]{24}"
    "rk_test_[0-9a-zA-Z]{24}"
    
    # Square access tokens
    "sq0atp-[_0-9A-Za-z-]{22}"
    "sq0csp-[_0-9A-Za-z-]{43}"
    "(^|\\W)SK[0-9a-fA-F]{32}"

    # SendGrid
    # SG.<base64url>.<base64url>
    "[Ss][Gg]\.[0-9A-Za-z-_]{22}\.[0-9A-Za-z-_]{43}"

    # Auth0 Client Secret
    # base64url encoded
    "[0-9A-Za-z-_]{65}"
)

for pattern in ${patterns[@]}; do
    echo "$pattern"
done