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nextcloud_ynh/scripts/_common.sh
2016-10-10 15:00:34 +02:00

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#
# Common variables
#
APPNAME="nextcloud"
# Nextcloud version
VERSION="10.0.1"
# Package name for Nextcloud dependencies
DEPS_PKG_NAME="nextcloud-deps"
# Remote URL to fetch Nextcloud tarball
NEXTCLOUD_SOURCE_URL="https://download.nextcloud.com/server/releases/nextcloud-${VERSION}.tar.bz2"
# Remote URL to fetch Nextcloud tarball checksum
NEXTCLOUD_SOURCE_SHA256="39412a28f02fd7ca8c9267b4ccf02ac28c1eb27995d77c06ceb2699375978b25"
# App package root directory should be the parent folder
PKGDIR=$(cd ../; pwd)
#
# Common helpers
#
# Download and extract Nextcloud sources to the given directory
# usage: extract_nextcloud DESTDIR [AS_USER]
extract_nextcloud() {
local DESTDIR=$1
local AS_USER=${2:-admin}
# retrieve and extract Roundcube tarball
nc_tarball="/tmp/nextcloud.tar.bz2"
rm -f "$nc_tarball"
wget -q -O "$nc_tarball" "$NEXTCLOUD_SOURCE_URL" \
|| ynh_die "Unable to download Nextcloud tarball"
echo "$NEXTCLOUD_SOURCE_SHA256 $nc_tarball" | sha256sum -c >/dev/null \
|| ynh_die "Invalid checksum of downloaded tarball"
exec_as "$AS_USER" tar xjf "$nc_tarball" -C "$DESTDIR" --strip-components 1 \
|| ynh_die "Unable to extract Nextcloud tarball"
rm -f "$nc_tarball"
# apply patches
(cd "$DESTDIR" \
&& for p in ${PKGDIR}/patches/*.patch; do \
exec_as "$AS_USER" patch -p1 < $p; done) \
|| ynh_die "Unable to apply patches to Nextcloud"
}
# Execute a command as another user
# usage: exec_as USER COMMAND [ARG ...]
exec_as() {
local USER=$1
shift 1
if [[ $USER = $(whoami) ]]; then
eval "$@"
else
# use sudo twice to be root and be allowed to use another user
sudo sudo -u "$USER" "$@"
fi
}
# Execute a command with occ as a given user from a given directory
# usage: exec_occ WORKDIR AS_USER COMMAND [ARG ...]
exec_occ() {
local WORKDIR=$1
local AS_USER=$2
shift 2
(cd "$WORKDIR" && exec_as "$AS_USER" \
php occ --no-interaction --no-ansi "$@")
}
# Create the external storage for the home folders and enable sharing
# usage: create_home_external_storage OCC_COMMAND
create_home_external_storage() {
local OCC=$1
local mount_id=`$OCC files_external:create --output=json \
'Home' 'local' 'null::null' -c 'datadir=/home/$user' || true`
! [[ $mount_id =~ ^[0-9]+$ ]] \
&& echo "Unable to create external storage" 1>&2 \
|| $OCC files_external:option "$mount_id" enable_sharing true
}
# Check if an URL is already handled
# usage: is_url_handled URL
is_url_handled() {
local OUTPUT=($(curl -k -s -o /dev/null \
-w 'x%{redirect_url} %{http_code}' "$1"))
# it's handled if it does not redirect to the SSO nor return 404
[[ ! ${OUTPUT[0]} =~ \/yunohost\/sso\/ && ${OUTPUT[1]} != 404 ]]
}
# Rename a MySQL database and user
# usage: rename_mysql_db DBNAME DBUSER DBPASS NEW_DBNAME NEW_DBUSER
rename_mysql_db() {
local DBNAME=$1 DBUSER=$2 DBPASS=$3 NEW_DBNAME=$4 NEW_DBUSER=$5
local SQLPATH="/tmp/${DBNAME}-$(date '+%s').sql"
# dump the old database
mysqldump -u "$DBUSER" -p"$DBPASS" --no-create-db "$DBNAME" > "$SQLPATH"
# create the new database and user
ynh_mysql_create_db "$NEW_DBNAME" "$NEW_DBUSER" "$DBPASS"
ynh_mysql_connect_as "$NEW_DBUSER" "$DBPASS" "$NEW_DBNAME" < "$SQLPATH"
# remove the old database
ynh_mysql_drop_db "$DBNAME"
ynh_mysql_drop_user "$DBUSER"
rm "$SQLPATH"
}