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apache-env.sh	3.48 KB	-rw-r--r--
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libapache.sh	32.36 KB	-rw-r--r--
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libphp.sh	7.48 KB	-rw-r--r--
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libservice.sh	14.13 KB	-rw-r--r--
libvalidations.sh	6.62 KB	-rw-r--r--
libvarnish.sh	5.75 KB	-rw-r--r--
libversion.sh	1.42 KB	-rw-r--r--
libwebserver.sh	15.05 KB	-rw-r--r--
mariadb-env.sh	8.47 KB	-rw-r--r--
php-env.sh	3.61 KB	-rw-r--r--
phpmyadmin-env.sh	5.43 KB	-rw-r--r--
varnish-env.sh	3.48 KB	-rw-r--r--

Code Editor : libvalidations.sh

#!/bin/bash
# Copyright Broadcom, Inc. All Rights Reserved.
# SPDX-License-Identifier: APACHE-2.0
#
# Validation functions library

# shellcheck disable=SC1091,SC2086

# Load Generic Libraries
. /opt/bitnami/scripts/liblog.sh

# Functions

########################
# Check if the provided argument is an integer
# Arguments:
#   $1 - Value to check
# Returns:
#   Boolean
#########################
is_int() {
    local -r int="${1:?missing value}"
    if [[ "$int" =~ ^-?[0-9]+ ]]; then
        true
    else
        false
    fi
}

########################
# Check if the provided argument is a positive integer
# Arguments:
#   $1 - Value to check
# Returns:
#   Boolean
#########################
is_positive_int() {
    local -r int="${1:?missing value}"
    if is_int "$int" && (( "${int}" >= 0 )); then
        true
    else
        false
    fi
}

########################
# Check if the provided argument is a boolean or is the string 'yes/true'
# Arguments:
#   $1 - Value to check
# Returns:
#   Boolean
#########################
is_boolean_yes() {
    local -r bool="${1:-}"
    # comparison is performed without regard to the case of alphabetic characters
    shopt -s nocasematch
    if [[ "$bool" = 1 || "$bool" =~ ^(yes|true)$ ]]; then
        true
    else
        false
    fi
}

########################
# Check if the provided argument is a boolean yes/no value
# Arguments:
#   $1 - Value to check
# Returns:
#   Boolean
#########################
is_yes_no_value() {
    local -r bool="${1:-}"
    if [[ "$bool" =~ ^(yes|no)$ ]]; then
        true
    else
        false
    fi
}

########################
# Check if the provided argument is a boolean true/false value
# Arguments:
#   $1 - Value to check
# Returns:
#   Boolean
#########################
is_true_false_value() {
    local -r bool="${1:-}"
    if [[ "$bool" =~ ^(true|false)$ ]]; then
        true
    else
        false
    fi
}

########################
# Check if the provided argument is a boolean 1/0 value
# Arguments:
#   $1 - Value to check
# Returns:
#   Boolean
#########################
is_1_0_value() {
    local -r bool="${1:-}"
    if [[ "$bool" =~ ^[10]$ ]]; then
        true
    else
        false
    fi
}

########################
# Check if the provided argument is an empty string or not defined
# Arguments:
#   $1 - Value to check
# Returns:
#   Boolean
#########################
is_empty_value() {
    local -r val="${1:-}"
    if [[ -z "$val" ]]; then
        true
    else
        false
    fi
}

########################
# Validate if the provided argument is a valid port
# Arguments:
#   $1 - Port to validate
# Returns:
#   Boolean and error message
#########################
validate_port() {
    local value
    local unprivileged=0

# Parse flags
    while [[ "$#" -gt 0 ]]; do
        case "$1" in
            -unprivileged)
                unprivileged=1
                ;;
            --)
                shift
                break
                ;;
            -*)
                stderr_print "unrecognized flag $1"
                return 1
                ;;
            *)
                break
                ;;
        esac
        shift
    done

if [[ "$#" -gt 1 ]]; then
        echo "too many arguments provided"
        return 2
    elif [[ "$#" -eq 0 ]]; then
        stderr_print "missing port argument"
        return 1
    else
        value=$1
    fi

if [[ -z "$value" ]]; then
        echo "the value is empty"
        return 1
    else
        if ! is_int "$value"; then
            echo "value is not an integer"
            return 2
        elif [[ "$value" -lt 0 ]]; then
            echo "negative value provided"
            return 2
        elif [[ "$value" -gt 65535 ]]; then
            echo "requested port is greater than 65535"
            return 2
        elif [[ "$unprivileged" = 1 && "$value" -lt 1024 ]]; then
            echo "privileged port requested"
            return 3
        fi
    fi
}

########################
# Validate if the provided argument is a valid IPv6 address
# Arguments:
#   $1 - IP to validate
# Returns:
#   Boolean
#########################
validate_ipv6() {
    local ip="${1:?ip is missing}"
    local stat=1
    local full_address_regex='^([0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}$'
    local short_address_regex='^((([0-9a-fA-F]{1,4}:){0,6}[0-9a-fA-F]{1,4}){0,6}::(([0-9a-fA-F]{1,4}:){0,6}[0-9a-fA-F]{1,4}){0,6})$'

if [[ $ip =~ $full_address_regex || $ip =~ $short_address_regex || $ip == "::" ]]; then
        stat=0
    fi
    return $stat
}

########################
# Validate if the provided argument is a valid IPv4 address
# Arguments:
#   $1 - IP to validate
# Returns:
#   Boolean
#########################
validate_ipv4() {
    local ip="${1:?ip is missing}"
    local stat=1

if [[ $ip =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
        read -r -a ip_array <<< "$(tr '.' ' ' <<< "$ip")"
        [[ ${ip_array[0]} -le 255 && ${ip_array[1]} -le 255 \
            && ${ip_array[2]} -le 255 && ${ip_array[3]} -le 255 ]]
        stat=$?
    fi
    return $stat
}

########################
# Validate if the provided argument is a valid IPv4 or IPv6 address
# Arguments:
#   $1 - IP to validate
# Returns:
#   Boolean
#########################
validate_ip() {
    local ip="${1:?ip is missing}"
    local stat=1

if validate_ipv4 "$ip"; then
        stat=0
    else
        stat=$(validate_ipv6 "$ip")
    fi
    return $stat
}

########################
# Validate a string format
# Arguments:
#   $1 - String to validate
# Returns:
#   Boolean
#########################
validate_string() {
    local string
    local min_length=-1
    local max_length=-1

# Parse flags
    while [ "$#" -gt 0 ]; do
        case "$1" in
            -min-length)
                shift
                min_length=${1:-}
                ;;
            -max-length)
                shift
                max_length=${1:-}
                ;;
            --)
                shift
                break
                ;;
            -*)
                stderr_print "unrecognized flag $1"
                return 1
                ;;
            *)
                break
                ;;
        esac
        shift
    done

if [ "$#" -gt 1 ]; then
        stderr_print "too many arguments provided"
        return 2
    elif [ "$#" -eq 0 ]; then
        stderr_print "missing string"
        return 1
    else
        string=$1
    fi

if [[ "$min_length" -ge 0 ]] && [[ "${#string}" -lt "$min_length" ]]; then
        echo "string length is less than $min_length"
        return 1
    fi
    if [[ "$max_length" -ge 0 ]] && [[ "${#string}" -gt "$max_length" ]]; then
        echo "string length is great than $max_length"
        return 1
    fi
}

${this.title}

Code Editor : libvalidations.sh