FROM debian:%%DEBIAN_TAG%%

# prevent Debian's PHP packages from being installed
# https://github.com/docker-library/php/pull/542
RUN set -eux; \
	{ \
		echo 'Package: php*'; \
		echo 'Pin: release *'; \
		echo 'Pin-Priority: -1'; \
	} > /etc/apt/preferences.d/no-debian-php

# dependencies required for running "phpize"
# (see persistent deps below)
ENV PHPIZE_DEPS \
		autoconf \
		dpkg-dev \
		file \
		g++ \
		gcc \
		libc-dev \
		make \
		pkg-config \
		re2c

# persistent / runtime deps
RUN apt-get update && apt-get install -y \
		$PHPIZE_DEPS \
		ca-certificates \
		curl \
		xz-utils \
	--no-install-recommends && rm -r /var/lib/apt/lists/*

ENV PHP_INI_DIR /usr/local/etc/php
RUN mkdir -p $PHP_INI_DIR/conf.d

##<autogenerated>##
##</autogenerated>##

# Apply stack smash protection to functions using local buffers and alloca()
# Make PHP's main executable position-independent (improves ASLR security mechanism, and has no performance impact on x86_64)
# Enable optimization (-O2)
# Enable linker optimization (this sorts the hash buckets to improve cache locality, and is non-default)
# Adds GNU HASH segments to generated executables (this is used if present, and is much faster than sysv hash; in this configuration, sysv hash is also generated)
# https://github.com/docker-library/php/issues/272
ENV PHP_CFLAGS="-fstack-protector-strong -fpic -fpie -O2"
ENV PHP_CPPFLAGS="$PHP_CFLAGS"
ENV PHP_LDFLAGS="-Wl,-O1 -Wl,--hash-style=both -pie"

ENV GPG_KEYS %%GPG_KEYS%%

ENV PHP_VERSION %%PHP_VERSION%%
ENV PHP_URL="%%PHP_URL%%" PHP_ASC_URL="%%PHP_ASC_URL%%"
ENV PHP_SHA256="%%PHP_SHA256%%" PHP_MD5="%%PHP_MD5%%"

RUN set -xe; \
	\
	fetchDeps=' \
		wget \
	'; \
	if ! command -v gpg > /dev/null; then \
		fetchDeps="$fetchDeps \
			dirmngr \
			gnupg \
		"; \
	fi; \
	apt-get update; \
	apt-get install -y --no-install-recommends $fetchDeps; \
	rm -rf /var/lib/apt/lists/*; \
	\
	mkdir -p /usr/src; \
	cd /usr/src; \
	\
	wget -O php.tar.xz "$PHP_URL"; \
	\
	if [ -n "$PHP_SHA256" ]; then \
		echo "$PHP_SHA256 *php.tar.xz" | sha256sum -c -; \
	fi; \
	if [ -n "$PHP_MD5" ]; then \
		echo "$PHP_MD5 *php.tar.xz" | md5sum -c -; \
	fi; \
	\
	if [ -n "$PHP_ASC_URL" ]; then \
		wget -O php.tar.xz.asc "$PHP_ASC_URL"; \
		export GNUPGHOME="$(mktemp -d)"; \
		for key in $GPG_KEYS; do \
			gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
		done; \
		gpg --batch --verify php.tar.xz.asc php.tar.xz; \
		command -v gpgconf > /dev/null && gpgconf --kill all; \
		rm -rf "$GNUPGHOME"; \
	fi; \
	\
	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false $fetchDeps

COPY docker-php-source /usr/local/bin/

RUN set -eux; \
	\
	savedAptMark="$(apt-mark showmanual)"; \
	apt-get update; \
	apt-get install -y --no-install-recommends \
		libcurl4-openssl-dev \
		libedit-dev \
		libsodium-dev \
		libsqlite3-dev \
		libssl-dev \
		libxml2-dev \
		zlib1g-dev \
		${PHP_EXTRA_BUILD_DEPS:-} \
	; \
##<argon2>##
	sed -e 's/%%DEBIAN_SUITE%%/buster/g' /etc/apt/sources.list > /etc/apt/sources.list.d/buster.list; \
	{ \
		echo 'Package: *'; \
		echo 'Pin: release n=buster'; \
		echo 'Pin-Priority: -10'; \
		echo; \
		echo 'Package: libargon2*'; \
		echo 'Pin: release n=buster'; \
		echo 'Pin-Priority: 990'; \
	} > /etc/apt/preferences.d/argon2-buster; \
	apt-get update; \
	apt-get install -y --no-install-recommends libargon2-dev; \
##</argon2>##
	rm -rf /var/lib/apt/lists/*; \
	\
	export \
		CFLAGS="$PHP_CFLAGS" \
		CPPFLAGS="$PHP_CPPFLAGS" \
		LDFLAGS="$PHP_LDFLAGS" \
	; \
	docker-php-source extract; \
	cd /usr/src/php; \
	gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)"; \
	debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)"; \
# https://bugs.php.net/bug.php?id=74125
	if [ ! -d /usr/include/curl ]; then \
		ln -sT "/usr/include/$debMultiarch/curl" /usr/local/include/curl; \
	fi; \
	./configure \
		--build="$gnuArch" \
		--with-config-file-path="$PHP_INI_DIR" \
		--with-config-file-scan-dir="$PHP_INI_DIR/conf.d" \
		\
# make sure invalid --configure-flags are fatal errors intead of just warnings
		--enable-option-checking=fatal \
		\
# https://github.com/docker-library/php/issues/439
		--with-mhash \
		\
# --enable-ftp is included here because ftp_ssl_connect() needs ftp to be compiled statically (see https://github.com/docker-library/php/issues/236)
		--enable-ftp \
# --enable-mbstring is included here because otherwise there's no way to get pecl to use it properly (see https://github.com/docker-library/php/issues/195)
		--enable-mbstring \
# --enable-mysqlnd is included here because it's harder to compile after the fact than extensions are (since it's a plugin for several extensions, not an extension in itself)
		--enable-mysqlnd \
# https://wiki.php.net/rfc/argon2_password_hash (7.2+)
		--with-password-argon2 \
# https://wiki.php.net/rfc/libsodium
		--with-sodium=shared \
		\
		--with-curl \
		--with-libedit \
		--with-openssl \
		--with-zlib \
		\
# bundled pcre does not support JIT on s390x
# https://manpages.debian.org/stretch/libpcre3-dev/pcrejit.3.en.html#AVAILABILITY_OF_JIT_SUPPORT
		$(test "$gnuArch" = 's390x-linux-gnu' && echo '--without-pcre-jit') \
		--with-libdir="lib/$debMultiarch" \
		\
		${PHP_EXTRA_CONFIGURE_ARGS:-} \
	; \
	make -j "$(nproc)"; \
	make install; \
	find /usr/local/bin /usr/local/sbin -type f -executable -exec strip --strip-all '{}' + || true; \
	make clean; \
	\
# https://github.com/docker-library/php/issues/692 (copy default example "php.ini" files somewhere easily discoverable)
	cp -v php.ini-* "$PHP_INI_DIR/"; \
	\
	cd /; \
	docker-php-source delete; \
	\
# reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
	apt-mark auto '.*' > /dev/null; \
	[ -z "$savedAptMark" ] || apt-mark manual $savedAptMark; \
	find /usr/local -type f -executable -exec ldd '{}' ';' \
		| awk '/=>/ { print $(NF-1) }' \
		| sort -u \
		| xargs -r dpkg-query --search \
		| cut -d: -f1 \
		| sort -u \
		| xargs -r apt-mark manual \
	; \
	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
	\
	php --version; \
	\
# https://github.com/docker-library/php/issues/443
	pecl update-channels; \
	rm -rf /tmp/pear ~/.pearrc

COPY docker-php-ext-* docker-php-entrypoint /usr/local/bin/

# sodium was built as a shared module (so that it can be replaced later if so desired), so let's enable it too (https://github.com/docker-library/php/issues/598)
RUN docker-php-ext-enable sodium

ENTRYPOINT ["docker-php-entrypoint"]
##<autogenerated>##
CMD ["php", "-a"]
##</autogenerated>##