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dmenu-api/fix-db-permissions-sudo.sh
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2025-12-15 15:25:25 +03:30

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#!/bin/bash
# Script to fix PostgreSQL permissions using sudo (no password prompt for postgres user)
# This script reads DB_USER and DB_NAME from .env and grants necessary permissions
# Function to load .env file properly (handles comments and special characters)
load_env() {
if [ -f .env ]; then
while IFS= read -r line || [ -n "$line" ]; do
[[ "$line" =~ ^[[:space:]]*# ]] && continue
[[ -z "${line// }" ]] && continue
if [[ "$line" =~ ^[[:space:]]*([^#=]+)=(.*)$ ]]; then
key="${BASH_REMATCH[1]%% *}"
value="${BASH_REMATCH[2]}"
key=$(echo "$key" | xargs)
value=$(echo "$value" | sed -e 's/^["'\'']//' -e 's/["'\'']$//' | xargs)
export "$key=$value"
fi
done < .env
else
echo "Error: .env file not found"
exit 1
fi
}
# Load environment variables
load_env
# Check if required variables are set
if [ -z "$DB_USER" ] || [ -z "$DB_NAME" ]; then
echo "Error: DB_USER or DB_NAME not set in .env file"
exit 1
fi
echo "Fixing PostgreSQL permissions for user: $DB_USER on database: $DB_NAME"
echo "Using sudo to connect as postgres user (no password needed)"
echo ""
# Connect as postgres superuser using sudo (no password prompt)
sudo -u postgres psql -d postgres <<EOF
-- Make the user the owner of the database (PostgreSQL 15+ requirement)
ALTER DATABASE $DB_NAME OWNER TO $DB_USER;
-- Connect to the target database to grant schema permissions
\c $DB_NAME
-- Make the user the owner of the public schema (PostgreSQL 15+ requirement)
ALTER SCHEMA public OWNER TO $DB_USER;
-- Grant all necessary permissions (redundant but safe)
GRANT CONNECT ON DATABASE $DB_NAME TO $DB_USER;
GRANT USAGE ON SCHEMA public TO $DB_USER;
GRANT CREATE ON SCHEMA public TO $DB_USER;
GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA public TO $DB_USER;
GRANT ALL PRIVILEGES ON ALL SEQUENCES IN SCHEMA public TO $DB_USER;
GRANT ALL PRIVILEGES ON ALL FUNCTIONS IN SCHEMA public TO $DB_USER;
ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT ALL ON TABLES TO $DB_USER;
ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT ALL ON SEQUENCES TO $DB_USER;
ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT ALL ON FUNCTIONS TO $DB_USER;
-- For PostgreSQL 15+ - ensure full database access
GRANT ALL ON DATABASE $DB_NAME TO $DB_USER;
EOF
if [ $? -eq 0 ]; then
echo ""
echo "✓ Permissions granted successfully!"
echo "You can now run: npm run db:create"
else
echo ""
echo "✗ Failed to grant permissions. Please check the error above."
exit 1
fi