apache2-foreground-user

#!/bin/bash
set -e

if [ -n "$WARNING" ]; then
	echo "$WARNING" >&2
fi

function var_default {
	if [ -z "${!1}" ]; then
		export $1="$2"
	fi
}

function ini_line {
	if [ ! -z "$2" ]; then
		if [ -z "$3" ]; then
			echo "$1 = \"$2\""
		else
			echo "$1 = \"$2\"" >> $3
		fi
	fi
}

var_default APP_DATA                      /app/data
var_default PHP_MAIL_FROM                 john.doe@example.com
var_default PHP_MAIL_HOST                 mail
var_default PHP_SESSION_SAVE_PATH         "${APP_DATA}/session"
var_default PHP_UPLOAD_TMP_DIR            "${APP_DATA}/upload_tmp"
var_default PHP_UPLOAD_MAX_FILESIZE       64M
var_default PHP_POST_MAX_SIZE             64M
var_default PHP_PCRE_JIT                  1
var_default PHPINI_EXPOSE_PHP             off

if [ -e "/usr/local/bin/apache2-foreground" ]; then
	var_default FINAL_EXEC                /usr/local/bin/apache2-foreground
else
	var_default FINAL_EXEC                php-fpm
fi

if [ ! -f "/state/init_done" ]; then
	echo "Creating config..."

	SENDMAIL_INI=/usr/local/etc/php/conf.d/sendmail.ini
	ini_line sendmail_from "${PHP_MAIL_FROM}" $SENDMAIL_INI
	if [ -z "${PHP_MAIL_MSMTP_OPTIONS}" ]; then
		ini_line sendmail_path "/usr/bin/msmtp --host=${PHP_MAIL_HOST} --from=${PHP_MAIL_FROM} --auth=off -t" $SENDMAIL_INI
	else
		ini_line sendmail_path "/usr/bin/msmtp ${PHP_MAIL_MSMTP_OPTIONS}" $SENDMAIL_INI
	fi
	cat $SENDMAIL_INI

	DOCKER_INI=/usr/local/etc/php/conf.d/docker-php.ini
	ini_line session.save_path    "$PHP_SESSION_SAVE_PATH"    $DOCKER_INI
	ini_line upload_tmp_dir       "$PHP_UPLOAD_TMP_DIR"       $DOCKER_INI
	ini_line upload_max_filesize  "$PHP_UPLOAD_MAX_FILESIZE"  $DOCKER_INI
	ini_line post_max_size        "$PHP_POST_MAX_SIZE"        $DOCKER_INI
	ini_line pcre.jit             "$PHP_PCRE_JIT"             $DOCKER_INI
	ini_line memory_limit         "$PHP_MEMORY_LIMIT"         $DOCKER_INI
	ini_line date.timezone        "$PHP_DATE_TIMEZONE"        $DOCKER_INI
	ini_line short_open_tag       "$PHP_SHORT_OPEN_TAG"       $DOCKER_INI

	if [ -n "$PHP_EXTENSIONS" ]; then
		for EXT in $PHP_EXTENSIONS; do
			echo "extension=$EXT" >> $DOCKER_INI
		done
	fi

	if [ -n "$PHP_ZEND_EXTENSIONS" ]; then
		for EXT in $PHP_ZEND_EXTENSIONS; do
			echo "zend_extension=$EXT" >> $DOCKER_INI
		done
	fi

	# Any environment variable starting with PHPINI_ will be transformed to an
	# ini setting. "__" will by replaced by ".". ex. "PHPINI_FOO__BAR_X" -> "foo.bar_x"
	while IFS= read -r -d '' ENVVAR; do
		if [[ $ENVVAR == PHPINI_* ]] ; then
			IFS='=' read -ra ENVNAME <<< "$ENVVAR"
			PHPNAME=${ENVNAME,,}
			PHPNAME=${PHPNAME:7}
			PHPNAME=${PHPNAME//__/.}
			echo "$PHPNAME = \"${!ENVNAME}\"" >> $DOCKER_INI
		fi
	done < <(env -0)
	cat $DOCKER_INI

	if [ ! -z "$ROBOTS_DISALLOW" ]; then
		echo "Robots disallow: ${ROBOTS_DISALLOW}"
		echo "User-agent: *" > $WEB_ROOT/robots.txt
		echo "Disallow: $ROBOTS_DISALLOW" >> $WEB_ROOT/robots.txt
	fi

	if [ ! -z "$PHP_TYPO3_INI" ]; then
		>&2 echo "DEPRECATION: PHP_TYPO3_INI variable will be removed in the future of this image!"
		TYPO3_INI=/usr/local/etc/php/conf.d/typo3.ini
		ini_line always_populate_raw_post_data   "-1"      $TYPO3_INI
		ini_line max_input_vars                  "1500"    $TYPO3_INI
		ini_line max_execution_time              "240"     $TYPO3_INI
		cat $TYPO3_INI
	fi

	OPCACHE_INI=/usr/local/etc/php/conf.d/docker-php-ext-opcache-extra.ini
	if [ ! -z "$PHP_OPCACHE_INI" ]; then
		>&2 echo "DEPRECATION: PHP_OPCACHE_INI variable will be removed in the future of this image!"
		echo "opcache enabled"
		ini_line opcache.fast_shutdown           "$PHP_OPCACHE_INI_FAST_SHOTDOWN"           $OPCACHE_INI # just to be compatible with this typo
		ini_line opcache.fast_shutdown           "$PHP_OPCACHE_INI_FAST_SHUTDOWN"           $OPCACHE_INI
		ini_line opcache.max_accelerated_files   "$PHP_OPCACHE_INI_MAX_ACCELERATED_FILES"   $OPCACHE_INI
		ini_line opcache.interned_strings_buffer "$PHP_OPCACHE_INI_INTERNED_STRINGS_BUFFER" $OPCACHE_INI
		ini_line opcache.memory_consumption      "$PHP_OPCACHE_INI_MEMORY_CONSUMPTION"      $OPCACHE_INI
		ini_line opcache.revalidate_freq         "$PHP_OPCACHE_INI_REVALIDATE_FREQ"         $OPCACHE_INI
		ini_line opcache.file_cache              "$PHP_OPCACHE_INI_FILE_CACHE"              $OPCACHE_INI
		if [ -e "$OPCACHE_INI"  ]; then
			cat $OPCACHE_INI
		fi
	else
		echo "opcache disabled"

		rm -f $OPCACHE_INI
	fi

	if [ ! -z "$SALLY_CLEAR_CACHE" ]; then
		>&2 echo "DEPRECATION: SALLY_CLEAR_CACHE variable will be removed in the future of this image!"
		echo "clear sally yaml and less cache"
		rm -rf "${APP_DATA}/temp/sally/yaml-cache/*"
		rm -rf "${APP_DATA}/temp/sally/less-cache/*"
	fi

	mkdir -p "$PHP_UPLOAD_TMP_DIR"
	mkdir -p "$PHP_SESSION_SAVE_PATH"

	if [ ! -z "$STARTUP_CREATE_DIRS" ]; then
		echo "create directories: ${STARTUP_CREATE_DIRS}"
		mkdir -p $STARTUP_CREATE_DIRS
	fi

	if [ "$PHP_IMAGE_VERSION" == "2"  ]; then
		if [ ! -z "$WWW_USER" ]; then
			export APACHE_RUN_USER="$WWW_USER"
			echo "APACHE_RUN_USER: $WWW_USER"
			if [ $(id -u $WWW_USER 2>/dev/null || echo -1) -lt 0 ]; then
				echo "User does not exist"
				exit -1
			fi
		fi
		if [ ! -z "$WWW_GROUP" ]; then
			export APACHE_RUN_GROUP="$WWW_GROUP"
			echo "APACHE_RUN_GROUP: $WWW_GROUP"
			if [ $(id -g $WWW_GROUP 2>/dev/null || echo -1) -lt 0 ]; then
				echo "Group does not exist"
				exit -1
			fi
		fi
	else
		>&2 echo "DEPRECATION: version 1 will be removed in the future of this image!"
		# Version 1 user handling
		if [ ! -z "$WWW_DATA_UID" ]; then
			echo "${WWW_USER-www-data} uid => ${WWW_DATA_UID}"
			usermod -u ${WWW_DATA_UID} ${WWW_USER-www-data}
			if [ ! -z "$WWW_DATA_GID" ]; then
				echo "${WWW_GROUP-www-data} gid => ${WWW_DATA_GID}"
				groupmod -g ${WWW_DATA_GID} ${WWW_GROUP-www-data}
			fi
			chown -R ${WWW_USER-www-data}:${WWW_GROUP-www-data} /var/lock/apache2 /var/run/apache2 /var/log/apache2
		fi
	fi

	if [ "$PHP_IMAGE_VERSION" != "2"  ] && [ -z "$DISABLE_CHOWN_DATA" ]; then
		echo "chown -R: ${APP_DATA}"
		chown -R ${WWW_USER-www-data}:${WWW_GROUP-www-data} "${APP_DATA}"
	fi

	if [ ! -z "$APP_DATA_DENY" ]; then
		echo "Deny all: ${APP_DATA}"
		echo "Require all denied" > "${APP_DATA}/.htaccess"
	fi

	if [ ! -z "$STARTUP_CHOWN" ]; then
		echo "chown: ${STARTUP_CHOWN}"
		chown ${WWW_USER-www-data}:${WWW_GROUP-www-data} $STARTUP_CHOWN
	fi

	if [ ! -z "$STARTUP_CHOWN_RECURSIVE" ]; then
		echo "chown -R: ${STARTUP_CHOWN_RECURSIVE}"
		chown ${WWW_USER-www-data}:${WWW_GROUP-www-data} $STARTUP_CHOWN_RECURSIVE
	fi

	if [ ! -z "$STARTUP_REMOVE" ]; then
		echo "rm -rf: ${STARTUP_REMOVE}"
		rm -rf $STARTUP_REMOVE
	fi

	if [ ! -z "$SecExclude" ]; then
		echo "$SecExclude" >> /usr/share/modsecurity-crs/rules/RESPONSE-999-EXCLUSION-RULES-AFTER-CRS-DOCKER.conf
		echo "ModSecurity exclusion: "
		echo "$SecExclude"
	fi

	touch "/state/init_done"
else
	echo "Skipping config creation because caintainer is restarted."

	if [ "$PHP_IMAGE_VERSION" == "2"  ]; then
		if [ ! -z "$WWW_USER" ]; then
			export APACHE_RUN_USER="$WWW_USER"
			echo "APACHE_RUN_USER: $WWW_USER"
		fi
		if [ ! -z "$WWW_GROUP" ]; then
			export APACHE_RUN_GROUP="$WWW_GROUP"
			echo "APACHE_RUN_GROUP: $WWW_GROUP"
		fi
	fi
fi

if [ ! -z "$START_SCRIPT_DIR" ]; then
	for SCRIPT in $START_SCRIPT_DIR/*
	do
		if [ -f $SCRIPT -a -x $SCRIPT ]
		then
			$SCRIPT
		fi
	done
fi

if [ ! -z "$MINICRON_EXEC" ]; then
	echo "Running minicron..."
	if [ ! -z "$MINICRON_CRONTAB" ]; then
		exec minicron -e <<< "$MINICRON_CRONTAB"
	fi
	if [ ! -z "$MINICRON_FILE" ]; then
		cat "$MINICRON_FILE" | exec minicron -e
	fi
	echo "Missing MINICRON_CRONTAB or MINICRON_FILE env variable"
	exit -1
fi

exec "$FINAL_EXEC"