135 lines
No EOL
4.1 KiB
Bash
135 lines
No EOL
4.1 KiB
Bash
#!/bin/bash
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set -e
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# This is a library file.
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# It should be 'source'd only, if it is not we bail out here.
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if [[ "$0" = "$BASH_SOURCE" ]]; then
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echo "This file should not be executed directly, it should be 'source'd only. "
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exit 1;
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fi
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# The Path to the configuration file.
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CONFIG_FILE="$SCRIPT_DIR/.env"
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# Check that the configuration file exists.
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# If it does not, throw an error
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log_info " => Reading configuration file"
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if ! [ -f "$CONFIG_FILE" ]; then
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log_error ""
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log_error "Missing configuration, provide a '.env' file"
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exit 1
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fi
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# 'source' in the configuration file.
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# Ideally we would want to make sure to prevent code-executation within the .env file
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# But for the moment let's not.
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source "$CONFIG_FILE"
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# Next, validate all the configuration settings.
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# is_valid_slug checks if it's argument is a valid 'slug'.
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# A slug is any non-empty string of alphanumeric characters or '-'s.
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# The first character of a slug may not be a dash.
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function is_valid_slug() {
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if [[ "$1" =~ ^[a-zA-Z0-9][-a-zA-Z0-9]*$ ]]; then
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return 0;
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else
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return 1;
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fi;
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}
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# is_valid_abspath checks if it's argument is an absolute path.
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function is_valid_abspath() {
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if [[ "$1" =~ ^\/(.+)\/([^/]+)$ ]]; then
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return 0;
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else
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return 1;
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fi;
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}
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# 'is_valid_domain' checks if a number is a valid domain.
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# A domain consists of at least one slug, seperated by '.'s.
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# Each token is a slug.
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function is_valid_domain() {
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if [[ "$1" =~ ^([a-zA-Z0-9][-a-zA-Z0-9]*\.)*[a-zA-Z0-9][-a-zA-Z0-9]*$ ]]; then
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return 0;
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else
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return 1;
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fi;
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}
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# 'is_valid_number' checks if a value is a valid number.
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function is_valid_number() {
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if [[ "$1" =~ ^[1-9][0-9]*$ ]]; then
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return 0;
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else
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return 1;
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fi;
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}
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# The 'DRUPAL_ROOT' variable must be an absolute path.
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if ! is_valid_abspath "$DRUPAL_ROOT"; then
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log_error "Variable 'DRUPAL_ROOT' is missing or not a valid path. ";
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log_info "Please verify that it is set correctly in '.env'. ";
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log_info "Please ensure that it does not end in '/'. ";
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exit 1;
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fi
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# The 'SYSTEM_USER_PREFIX' variable must be a valid slug.
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if ! is_valid_slug "$SYSTEM_USER_PREFIX"; then
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log_error "Variable 'SYSTEM_USER_PREFIX' is missing or not a valid slug. ";
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log_info "Please verify that it is set correctly in '.env'. ";
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exit 1;
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fi
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# The 'MYSQL_USER_PREFIX' variable must be a valid slug.
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if ! is_valid_slug "$MYSQL_USER_PREFIX"; then
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log_error "Variable 'MYSQL_USER_PREFIX' is missing or not a valid slug. ";
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log_info "Please verify that it is set correctly in '.env'. ";
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exit 1;
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fi
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# The 'MYSQL_DATABASE_PREFIX' variable must be a valid slug.
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if ! is_valid_slug "$MYSQL_DATABASE_PREFIX"; then
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log_error "Variable 'MYSQL_DATABASE_PREFIX' is missing or not a valid slug. ";
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log_info "Please verify that it is set correctly in '.env'. ";
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exit 1;
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fi
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# The 'GRAPHDB_USER_PREFIX' variable must be a valid slug.
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if ! is_valid_slug "$GRAPHDB_USER_PREFIX"; then
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log_error "Variable 'DATABASE_PREFIX' is missing or not a valid slug. ";
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log_info "Please verify that it is set correctly in '.env'. ";
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exit 1;
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fi
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# The 'GRAPHDB_REPO_PREFIX' variable must be a valid slug.
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if ! is_valid_slug "$GRAPHDB_REPO_PREFIX"; then
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log_error "Variable 'GRAPHDB_REPO_PREFIX' is missing or not a valid slug. ";
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log_info "Please verify that it is set correctly in '.env'. ";
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exit 1;
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fi
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# The 'DOMAIN' variable must be a valid domain.
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if ! is_valid_domain "$DEFAULT_DOMAIN"; then
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log_error "Variable 'DEFAULT_DOMAIN' is missing or not a valid domain. ";
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log_info "Please verify that it is set correctly in '.env'. ";
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exit 1;
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fi
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# The 'PASSWORD_LENGTH' variable must be a valid number.
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if ! is_valid_number "$PASSWORD_LENGTH"; then
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log_error "Variable 'PASSWORD_LENGTH' is missing or not a valid number. ";
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log_info "Please verify that it is set correctly in '.env'. ";
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exit 1;
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fi
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# The 'PUBLIC_PORT' must be a valid number.
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if ! is_valid_number "$PUBLIC_PORT"; then
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log_error "Variable 'PUBLIC_PORT' is missing or not a valid number. ";
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log_info "Please verify that it is set correctly in '.env'. ";
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exit 1;
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fi
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log_ok "Read and validated configuration file. " |