Authenticate Github

authenticate_github.sh

#### github ssh key ####

#!/bin/bash

# GitHub API URL
GITHUB_API_URL="https://api.github.com"

# GitHub Personal Access Token (replace with your token)
GITHUB_TOKEN="$GITHUB_PERSONAL_TOKEN"

# SSH Key Title (you can customize this)
SSH_KEY_TITLE="$(hostname)-$(date +%Y-%m-%d)"

# SSH Key File Path
SSH_KEY_PATH="$HOME/.ssh/id_rsa"

# Check if SSH key exists, if not generate one
if [ ! -f "$SSH_KEY_PATH" ]; then
    echo "SSH key not found. Generating a new SSH key..."
    ssh-keygen -t rsa -b 4096 -C "$(whoami)@$(hostname)" -f "$SSH_KEY_PATH" -N ""
    echo "SSH key generated at $SSH_KEY_PATH"
fi

# Read the public key
PUBLIC_KEY=$(cat "$SSH_KEY_PATH.pub")

# Check if the public key is already added to GitHub
KEY_EXISTS=$(curl -s -H "Authorization: token $GITHUB_TOKEN" "$GITHUB_API_URL/user/keys" | jq -r --arg title "$SSH_KEY_TITLE" '.[] | select(.title == $title) | .key')

if [[ "$KEY_EXISTS" == "$PUBLIC_KEY" ]]; then
    echo "SSH key already exists on GitHub."
    exit 0
fi

# Add the SSH key to GitHub
echo "Adding SSH key to GitHub..."
RESPONSE=$(curl -s -X POST -H "Authorization: token $GITHUB_TOKEN" -H "Content-Type: application/json" \
    -d "{\"title\":\"$SSH_KEY_TITLE\",\"key\":\"$PUBLIC_KEY\"}" \
    "$GITHUB_API_URL/user/keys")

# Check if the key was added successfully
if echo "$RESPONSE" | jq -e '.id' > /dev/null 2>&1; then
    echo "SSH key added successfully to GitHub."
else
    echo "Failed to add SSH key to GitHub."
    echo "Response: $RESPONSE"
    exit 1
fi