#!/usr/bin/env bash

# Use of unset variable is an error
set -u
# If any part of a pipeline of commands fails, the whole pipeline fails
set -o pipefail

# Script to sign executables, dylibs and frameworks in an app bundle plus the bundle itself. Called
# from installer::simplepackage::create_package() in solenv/bin/modules/installer/simplepackage.pm
# and the test-install target in Makefile.in.

test `uname` = Darwin || { echo This is for macOS only; exit 1; }

test $# = 1 || { echo Usage: $0 app-bundle; exit 1; }

for V in \
    BUILDDIR \
    MACOSX_BUNDLE_IDENTIFIER; do
    if test -z "$(eval echo '$'$V)"; then
       echo No '$'$V "environment variable! This should be run in a build only"
       exit 1
    fi
done

APP_BUNDLE="$1"
entitlements=
entitlements_helper=
application_identifier=
if test -n "$ENABLE_MACOSX_SANDBOX"; then
    # In a sandboxed build executables need the entitlements
    entitlements="--entitlements $BUILDDIR/lo.xcent"
    # helper utilities must be signed with only the sandbox and inherit entitlements
    entitlements_helper="--entitlements $SRCDIR/sysui/desktop/macosx/sandbox_inherit.entitlements"
    application_identifier=`/usr/libexec/PlistBuddy -c "print com.apple.application-identifier"  $BUILDDIR/lo.xcent`
    # remove the key from the entitlement - only use it when signing the whole bundle in the final step
    /usr/libexec/PlistBuddy -c "delete com.apple.application-identifier"  $BUILDDIR/lo.xcent
    # HACK: remove donate menu entries, need to support apple-pay and be verified
    # as non profit as a bare minimum to allow asking....
    sed -I "" -e '\#<menu:menuitem menu:id=".uno:Donation"/>#d' $APP_BUNDLE/Contents/Resources/config/soffice.cfg/modules/*/menubar/menubar.xml
else
    entitlements="--entitlements $BUILDDIR/hardened_runtime.xcent"
    entitlements_helper=$entitlements
fi

if test -z "$MACOSX_CODESIGNING_IDENTITY"; then
    if test -n "$ENABLE_RELEASE_BUILD"; then
        echo "This is a release build! This should be run in a non-release build only"
        exit 1
    fi

    # Skip codesigning for non-release builds if there is no identity set but
    # set entitlements to allow Xcode's Instruments application to connect to
    # the application. Note: the following command fails on some Mac Intel
    # machines, and since this not a release build, ignore any failures.
    # Related: tdf#159529 fix increasing failures when setting entitlements
    # Starting in one of the Xcode versions 15.2 or earlier, setting the
    # entitlements without a certificate started failing on Mac Silicon. 
    # The hacky solution is to make a copy of the application's executable,
    # set the entitlements on that binary only, and then move the copied
    # binary back.
    rm -f "$APP_BUNDLE/Contents/MacOS/soffice.withentitlements"
    cp "$APP_BUNDLE/Contents/MacOS/soffice" "$APP_BUNDLE/Contents/MacOS/soffice.withentitlements"
    if codesign --force --identifier="${MACOSX_BUNDLE_IDENTIFIER}" --sign - $entitlements "$APP_BUNDLE/Contents/MacOS/soffice.withentitlements"; then
        mv "$APP_BUNDLE/Contents/MacOS/soffice.withentitlements" "$APP_BUNDLE/Contents/MacOS/soffice"
    else
        rm "$APP_BUNDLE/Contents/MacOS/soffice.withentitlements"
    fi
    exit 0
fi

# Sign dylibs
#
# The dylibs in the Python framework are called *.so. Go figure
#
# Make a depth-first search to sign the contents of e.g. the spotlight plugin
# before attempting to sign the plugin itself

find "$APP_BUNDLE" \( -name '*.dylib' -or -name '*.dylib.*' -or -name '*.so' -or -name '*.jnilib' \) ! -type l |
while read file; do
    id=`echo ${file#${APP_BUNDLE}/Contents/} | sed -e 's,/,.,g'`
    codesign --force --identifier=$MACOSX_BUNDLE_IDENTIFIER.$id --sign "$MACOSX_CODESIGNING_IDENTITY" "$file" || exit 1
done

# Sign included bundles. First .app ones (i.e. the Python.app inside
# the LibreOfficePython.framework. Be generic for kicks...)

find "$APP_BUNDLE"/Contents -name '*.app' -type d |
while read app; do
    # Assume the app has a XML (and not binary) Info.plist
    id=`grep -A 1 '<key>CFBundleIdentifier</key>' "$app/Contents/Info.plist" | tail -1 | sed -e 's,.*<string>,,' -e 's,</string>.*,,'`
    codesign --timestamp --options=runtime --force --identifier=$id --sign "$MACOSX_CODESIGNING_IDENTITY" $entitlements "$app" || exit 1
done

# Then .framework ones. Again, be generic just for kicks.

find "$APP_BUNDLE" -name '*.framework' -type d |
while read framework; do
    for version in "$framework"/Versions/*; do
        if test ! -L "$version" -a -d "$version"; then
	    # Assume the framework has a XML (and not binary) Info.plist
	    id=`grep -A 1 '<key>CFBundleIdentifier</key>' $version/Resources/Info.plist | tail -1 | sed -e 's,.*<string>,,' -e 's,</string>.*,,'`
	    if test -d $version/bin; then
		# files in bin are not covered by signing the framework...
		for scriptorexecutable in $(find $version/bin/ -type f); do
		    codesign --timestamp --options=runtime --force --identifier=$id --sign "$MACOSX_CODESIGNING_IDENTITY" "$scriptorexecutable" || exit 1
		done
	    fi
            codesign --force --identifier=$id --sign "$MACOSX_CODESIGNING_IDENTITY" "$version" || exit 1
	fi
    done
done

# Then mdimporters

find "$APP_BUNDLE" -name '*.mdimporter' -type d |
while read bundle; do
    codesign --force --prefix=$MACOSX_BUNDLE_IDENTIFIER. --sign "$MACOSX_CODESIGNING_IDENTITY" "$bundle" || exit 1
done

# Sign executables

find "$APP_BUNDLE/Contents/MacOS" -type f |
while read file; do
    case "$file" in
	*/soffice)
	    ;;
	*)
	    id=`echo ${file#${APP_BUNDLE}/Contents/} | sed -e 's,/,.,g'`
	    codesign --force --timestamp --options=runtime --identifier=$MACOSX_BUNDLE_IDENTIFIER.$id --sign "$MACOSX_CODESIGNING_IDENTITY" $entitlements_helper "$file" || exit 1
	    ;;
    esac
done

# Sign the app bundle as a whole which means (re-)signing the
# CFBundleExecutable from Info.plist, i.e. soffice, plus the contents
# of the Resources tree.
#
# See also https://developer.apple.com/library/mac/technotes/tn2206/

if test -n "$ENABLE_MACOSX_SANDBOX" && test -n "$application_identifier"; then
    # add back the application-identifier to the entitlements
    # testflight/beta-testing won't work if that key is used when signing the other executables
    /usr/libexec/PlistBuddy -c "add com.apple.application-identifier string $application_identifier"  $BUILDDIR/lo.xcent
fi
codesign --force --timestamp --options=runtime --identifier="${MACOSX_BUNDLE_IDENTIFIER}" --sign "$MACOSX_CODESIGNING_IDENTITY" $entitlements "$APP_BUNDLE" || exit 1

exit 0