claudez installer - Securely configure Claude Code with z.ai integration (macOS)

install-claudez.sh

#!/bin/bash

# claudez installer - Securely configure Claude Code with z.ai integration
# This script stores your API key in macOS keychain and creates a shell alias

set -e  # Exit on error

# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m' # No Color

# Configuration
KEYCHAIN_ACCOUNT="claudez"
KEYCHAIN_SERVICE="z.ai-api"
ALIAS_NAME="claudez"
Z_AI_BASE_URL="https://api.z.ai/api/anthropic"
API_TIMEOUT="3000000"

echo -e "${BLUE}========================================${NC}"
echo -e "${BLUE}   claudez Installer for macOS${NC}"
echo -e "${BLUE}   Claude Code + z.ai Integration${NC}"
echo -e "${BLUE}========================================${NC}"
echo ""

# Check if running on macOS
if [[ "$OSTYPE" != "darwin"* ]]; then
    echo -e "${RED}Error: This script is for macOS only.${NC}"
    exit 1
fi

# Check if 'claude' command exists
if ! command -v claude &> /dev/null; then
    echo -e "${YELLOW}Warning: 'claude' command not found.${NC}"
    echo -e "Install Claude Code first: ${BLUE}npm install -g @anthropic-ai/claude-code${NC}"
    read -p "Continue anyway? (y/n) " -n 1 -r
    echo
    if [[ ! $REPLY =~ ^[Yy]$ ]]; then
        exit 1
    fi
fi

# Detect shell
SHELL_NAME=$(basename "$SHELL")
if [[ "$SHELL_NAME" == "zsh" ]]; then
    RC_FILE="$HOME/.zshrc"
elif [[ "$SHELL_NAME" == "bash" ]]; then
    RC_FILE="$HOME/.bashrc"
    if [[ ! -f "$RC_FILE" ]]; then
        RC_FILE="$HOME/.bash_profile"
    fi
else
    echo -e "${RED}Error: Unsupported shell: $SHELL_NAME${NC}"
    echo "Supported shells: bash, zsh"
    exit 1
fi

echo -e "${GREEN}✓${NC} Detected shell: ${BLUE}$SHELL_NAME${NC}"
echo -e "${GREEN}✓${NC} Configuration file: ${BLUE}$RC_FILE${NC}"
echo ""

# Check if alias already exists
if grep -q "alias $ALIAS_NAME=" "$RC_FILE" 2>/dev/null; then
    echo -e "${YELLOW}Warning: '$ALIAS_NAME' alias already exists in $RC_FILE${NC}"
    read -p "Overwrite it? (y/n) " -n 1 -r
    echo
    if [[ ! $REPLY =~ ^[Yy]$ ]]; then
        echo -e "${YELLOW}Installation cancelled.${NC}"
        exit 0
    fi
    # Remove old alias
    sed -i.backup "/alias $ALIAS_NAME=/d" "$RC_FILE"
    sed -i.backup "/# Claude Code with z.ai integration/d" "$RC_FILE"
fi

# Check if keychain entry already exists
if security find-generic-password -a "$KEYCHAIN_ACCOUNT" -s "$KEYCHAIN_SERVICE" &>/dev/null; then
    echo -e "${YELLOW}Warning: API key already exists in keychain${NC}"
    read -p "Update it? (y/n) " -n 1 -r
    echo
    if [[ $REPLY =~ ^[Yy]$ ]]; then
        UPDATE_KEY=true
    else
        UPDATE_KEY=false
    fi
else
    UPDATE_KEY=true
fi

# Prompt for API key
if [[ "$UPDATE_KEY" == true ]]; then
    echo ""
    echo -e "${BLUE}Enter your z.ai API key:${NC}"
    echo -e "${YELLOW}(Get your key from: https://docs.z.ai/)${NC}"
    read -s API_KEY
    echo ""

    if [[ -z "$API_KEY" ]]; then
        echo -e "${RED}Error: API key cannot be empty${NC}"
        exit 1
    fi

    # Validate API key format (basic check)
    if [[ ! "$API_KEY" =~ ^[a-zA-Z0-9._-]+$ ]]; then
        echo -e "${YELLOW}Warning: API key contains unusual characters${NC}"
        read -p "Continue anyway? (y/n) " -n 1 -r
        echo
        if [[ ! $REPLY =~ ^[Yy]$ ]]; then
            exit 1
        fi
    fi

    # Save to keychain
    echo -e "${BLUE}Saving API key to macOS keychain...${NC}"
    if security find-generic-password -a "$KEYCHAIN_ACCOUNT" -s "$KEYCHAIN_SERVICE" &>/dev/null; then
        # Update existing
        security add-generic-password -a "$KEYCHAIN_ACCOUNT" -s "$KEYCHAIN_SERVICE" -w "$API_KEY" -U
    else
        # Create new
        security add-generic-password -a "$KEYCHAIN_ACCOUNT" -s "$KEYCHAIN_SERVICE" -w "$API_KEY"
    fi

    echo -e "${GREEN}✓${NC} API key saved to keychain"
fi

# Create alias
echo -e "${BLUE}Adding alias to $RC_FILE...${NC}"

ALIAS_COMMAND="alias $ALIAS_NAME='ANTHROPIC_AUTH_TOKEN=\"\$(security find-generic-password -a \"$KEYCHAIN_ACCOUNT\" -s \"$KEYCHAIN_SERVICE\" -w)\" ANTHROPIC_BASE_URL=\"$Z_AI_BASE_URL\" API_TIMEOUT_MS=\"$API_TIMEOUT\" claude'"

# Add to rc file
cat >> "$RC_FILE" << EOF

# Claude Code with z.ai integration
$ALIAS_COMMAND
EOF

echo -e "${GREEN}✓${NC} Alias added to $RC_FILE"

# Verify keychain access
echo ""
echo -e "${BLUE}Verifying keychain access...${NC}"
if security find-generic-password -a "$KEYCHAIN_ACCOUNT" -s "$KEYCHAIN_SERVICE" -w &>/dev/null; then
    echo -e "${GREEN}✓${NC} Keychain access confirmed"
else
    echo -e "${RED}✗${NC} Failed to verify keychain access"
    exit 1
fi

# Success message
echo ""
echo -e "${GREEN}========================================${NC}"
echo -e "${GREEN}   Installation Complete! 🎉${NC}"
echo -e "${GREEN}========================================${NC}"
echo ""
echo -e "To activate, run: ${BLUE}source $RC_FILE${NC}"
echo -e "Or open a new terminal window"
echo ""
echo -e "Usage: ${BLUE}$ALIAS_NAME${NC}"
echo ""
echo -e "${YELLOW}Security Notes:${NC}"
echo -e "• API key stored in: macOS Keychain"
echo -e "• Service: $KEYCHAIN_SERVICE"
echo -e "• Account: $KEYCHAIN_ACCOUNT"
echo ""
echo -e "${YELLOW}Manage your API key:${NC}"
echo -e "• View: ${BLUE}security find-generic-password -a \"$KEYCHAIN_ACCOUNT\" -s \"$KEYCHAIN_SERVICE\" -g${NC}"
echo -e "• Delete: ${BLUE}security delete-generic-password -a \"$KEYCHAIN_ACCOUNT\" -s \"$KEYCHAIN_SERVICE\"${NC}"
echo ""
echo -e "${YELLOW}Uninstall:${NC}"
echo -e "• Remove alias from: $RC_FILE"
echo -e "• Delete keychain entry (command above)"
echo ""

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