# Use one of these commands to build the manifest for Node.js:
#
# - make
# - make DEBUG=1
# - make SGX=1
# - make SGX=1 DEBUG=1
#
# Use `make clean` to remove Graphene-generated files.

THIS_DIR := $(dir $(lastword $(MAKEFILE_LIST)))
NODEJS_DIR ?= /usr/bin

# Relative path to Graphene root and key for enclave signing
GRAPHENEDIR ?= ../..
SGX_SIGNER_KEY ?= $(GRAPHENEDIR)/Pal/src/host/Linux-SGX/signer/enclave-key.pem

ifeq ($(DEBUG),1)
GRAPHENE_LOG_LEVEL = debug
else
GRAPHENE_LOG_LEVEL = error
endif

.PHONY: all
all: nodejs.manifest | pal_loader
ifeq ($(SGX),1)
all: nodejs.manifest.sgx nodejs.sig nodejs.token
endif

include ../../Scripts/Makefile.configs

# Generate manifest rules for Node.js dependencies.
# We'll duplicate some Glibc libraries (which Graphene provides in a customized version), but
# there's no harm in this.
.INTERMEDIATE: trusted-libs
trusted-libs: ../common_tools/get_deps.sh
	../common_tools/get_deps.sh $(NODEJS_DIR)/nodejs > $@

nodejs.manifest: nodejs.manifest.template trusted-libs
	(sed -e 's|$$(GRAPHENEDIR)|'"$(GRAPHENEDIR)"'|g' \
	     -e 's|$$(GRAPHENE_LOG_LEVEL)|'"$(GRAPHENE_LOG_LEVEL)"'|g' \
	     -e 's|$$(NODEJS_DIR)|'"$(NODEJS_DIR)"'|g' \
	     -e 's|$$(ARCH_LIBDIR)|'"$(ARCH_LIBDIR)"'|g' \
	     $<; \
	cat trusted-libs) > $@

# Generate SGX-specific manifest, enclave signature, and token for enclave initialization
nodejs.manifest.sgx: nodejs.manifest helloworld.js
	$(GRAPHENEDIR)/Pal/src/host/Linux-SGX/signer/pal-sgx-sign \
		-libpal $(GRAPHENEDIR)/Runtime/libpal-Linux-SGX.so \
		-key $(SGX_SIGNER_KEY) \
		-manifest $< -output $@

nodejs.sig: nodejs.manifest.sgx

nodejs.token: nodejs.sig
	$(GRAPHENEDIR)/Pal/src/host/Linux-SGX/signer/pal-sgx-get-token -output $@ -sig $<

pal_loader:
	ln -s $(GRAPHENEDIR)/Runtime/pal_loader $@

.PHONY: check
check: all
	./pal_loader ./nodejs helloworld.js > OUTPUT
	@grep -q "Hello World" OUTPUT && echo "[ Success 1/1 ]"
	@rm OUTPUT

.PHONY: clean
clean:
	$(RM) *.manifest *.manifest.sgx *.token *.sig pal_loader OUTPUT

.PHONY: distclean
distclean: clean