oversight-install.cgi

#!/bin/sh
# $Id$ 

EXE=$0
while [ -h "$EXE" ] ; do EXE="$(readlink "$EXE")"; done
INSTALL_DIR="$( cd "$( dirname "$EXE" )" && pwd )"

source "$INSTALL_DIR/bin/ovsenv"

appname="oversight"
wsname="OverSight"
cgiName="oversight.cgi"
shPath="$OVS_HOME/bin/$appname.sh"
start_command="$shPath REBOOTFIX"

httpd="http://127.0.0.1:8883"

NMT="$OVS_HOME/install.sh"

FIND_FILE() {
    f="$1" ; shift;
    for i in "$@" ; do
        if [ -f "$i/$f" ] ; then
            echo "$i/$f"
            return 0
        fi
    done
    echo UNSET
}

unpak_nzbget_bin="`FIND_FILE nzbget /share/Apps/NZBget/bin /mnt/syb8634/bin /nmt/apps/bin`"
unpak_nzbget_conf="`FIND_FILE nzbget.conf /share/Apps/NZBget/.nzbget /share/.nzbget`"
UNPAK_CONF="$OVS_HOME/conf/unpak.cfg"
CATALOG_CONF="$OVS_HOME/conf/catalog.cfg"

NZBGET() {
    "$unpak_nzbget_bin" -c "$unpak_nzbget_conf" "$@"
}

echo "Content-Type: text/html"
echo

CP() {
    cp "$1" "$2" && chown -R nmt:nmt "$2"
}

cd "$OVS_HOME"

if [ ! -f "$UNPAK_CONF" -a -f "$UNPAK_CONF.example" ] ; then
    sed -ir "s@(unpak_nzbget_conf=).*@\\1'$unpak_nzbget_conf'@" "$UNPAK_CONF.example"
    sed -ir "s@(unpak_nzbget_bin=).*@\\1'$unpak_nzbget_bin'@" "$UNPAK_CONF.example"
    CP "$UNPAK_CONF.example" "$UNPAK_CONF"
fi

# $1=config file
# $2=version tag
UPGRADE_CONFIG() {
    if [ ! -f "$1" ] ; then
        CP "$1".example "$1"
    else
        if ! grep -ql "$2" "$1" ; then
            CP "$1" "$1".PRE_UPGRADE
            CP "$1".example "$1"
        fi
    fi
}

SKIN_INSTALL() {

    # Move new skins into place
    if [ -d templates.new ] ; then

        rm -fr templates.old
        mv templates templates.old
        mv templates.new templates

        if [ -d templates.old ] ; then
            # Move skins that are not superceeded.
            ( cd templates.old ;
              for i in * ; do
                  if [ -e "$i" ] ; then
                      if [ ! -e "../templates/$i" ] ; then
                          cp -a "$i" "../templates/$i"
                      fi
                  fi
              done
            )
            # copy config files
            ( cd templates.old ; tar cf - */conf/*.cfg ) | ( cd templates ; tar xf - )

        fi
    fi

    # run any skin installers
    for inst in "$OVS_HOME"/templates/*/install.sh ; do

        if [ -f "$inst" ] ; then

            /bin/sh "$inst"

        fi

    done
}

INSTALL() {
        "$shPath" UNINSTALL || true
        NZBGET_UNPAK_INSTALL
        #FIX_NZBGET_DAEMON
        ( cd "$OVS_HOME/cache" && rm -f tt[0-9]*[0-9] *.xml ) # clear cache

        #not sure how people are still getting wget in busybox but rename it
        if [ -f /share/bin/wget ] ; then
            mv /share/bin/wget /share/bin/wget2
        fi

        SKIN_INSTALL

        PERMS
        "$NMT" NMT_UNINSTALL "$appname"
        "$NMT" NMT_INSTALL "$appname" "$start_command"
        "$NMT" NMT_CRON_DEL nmt "$appname" #old cron job
        eval "$start_command" || true
        "$NMT" NMT_INSTALL_WS "$wsname" "$httpd/$appname/$cgiName"
        # "$NMT" NMT_INSTALL_WS "Eversion" "file:///share/Apps/Eversion/eversion.phf"


        UPGRADE_CONFIG conf/catalog.cfg catalog_config_version=1
        UPGRADE_CONFIG conf/oversight.cfg ovs_config_version=1

        # Update timestamp on index.db 
        if [ -f "index.db" ] ; then
            touch "index.db"
        fi

        touch conf/catalog.cfg conf/oversight.cfg conf/unpak.cfg

        chmod a+r /dev/random /dev/urandom || true
        APACHE_INSTALL
        APACHE_RESTART
        BOUNCE_NZBGET
        "$NMT" NMT_INSTALL_WS_BANNER "$wsname" "Installation Complete"
}


FIX_NZBGET_DAEMON() {
    # If nzbget is restarted via nzbget_web it is started as root rather than nmt user
    # even though DaemonUserName is set. 

    f="/share/Apps/NZBget/daemon.sh"
    if [ -f "$f" ] ; then

        # Set up nmt user prowerly to allow su to work
        cp "$f" "$f.old"

        sed '/[  ]\/share\/Apps\/NZBget\/bin\/nzbget -D/ {
s;\(/.*conf\);su - nmt -c "\1";
i\
set -e ; sed -i "/^nmt/ s/true/sh/" /etc/passwd  ; mkdir -p /home/nmt && chown nmt:nmt /home/nmt ; set +e
}' "$f.old" > "$f"
    fi

}

NZBGET_UNPAK_INSTALL() {
    NZBGET_UNPAK_UNINSTALL
    if  [ -f "$unpak_nzbget_conf" ] ; then
    CP "$unpak_nzbget_conf" "$unpak_nzbget_conf.pre_oversight" &&\
    awk '
function debug(x) {
    print "#INSTALL#"x
}
BEGIN {

    #Repair
    set["postprocess"]="'"$OVS_HOME"'/bin/unpak.sh" ;
    set["allowreprocess"]="yes" ;
    set["parcheck"]="no";
    set["renamebroken"]="no";

    # Logging
    set["detailtarget"]="none";
    set["debugtarget"]="none";
    set["infotarget"]="screen";
    set["warningtarget"]="both";
    set["errortarget"]="both";
    set["createlog"]="yes";
    set["createbrokenlog"]="yes";
    set["resetlog"]="yes";
    set["logbuffersize"]="100";

    #IO Performance
    set["directwrite"]="yes";
    set["continuepartial"]="no";

    # Added for standard nzbget.conf
    set["outputmode"]="loggable";
    set["nzbdirfileage"]="12";
    set["dupecheck"]="yes";
    set["threadlimit"]="10";

    pat="";
    for(k in set) { pat=pat"|"tolower(k) ; }
    pat="("substr(pat,2)")";
}

match(tolower($0),"^"pat"=") {
    k=substr($0,RSTART,RLENGTH-1);
    lc_k = tolower(k);
    found[lc_k]=1;
    v=set[lc_k];
    if (index(tolower($0),tolower(v)) == 0) {
        print "#Changed By Oversight#";
        print k"="v;
        $0="#PreOversight#"$0;
    } 
}

{ print }

END {
    #Add all missing keywords
    for (k in set) {
        if (!(k in found)) {
            print "#Changed By Oversight#";
            print k"="set[k];
        }
    }
}' "$unpak_nzbget_conf.pre_oversight" > "$unpak_nzbget_conf.new" && mv "$unpak_nzbget_conf.new" "$unpak_nzbget_conf" 
    fi

}

NZBGET_UNPAK_UNINSTALL() {
    if  [ -f "$unpak_nzbget_conf" ] ; then
    CP "$unpak_nzbget_conf" "$unpak_nzbget_conf.post_oversight"
    awk '
BEGIN { activeCount=0; }

/Changed By Oversight/ { getline ; next };
/^#PreOversight#/  {
    $0 = substr($0,15);
}

{ print }
' "$unpak_nzbget_conf.post_oversight" > "$unpak_nzbget_conf.new" && mv "$unpak_nzbget_conf.new" "$unpak_nzbget_conf" 
    fi
}

LOCK=/tmp/oversight-install.lck
if [ -f $LOCK ] ; then
    if [ -d /proc/`cat $LOCK` ] ; then
        echo "exiting - lockfile $LOCK"
        exit
    fi
fi
echo $$ > $LOCK

PERMS() {
    chmod -R 775 "$OVS_HOME"
    chmod -R 777 "$OVS_HOME/logs" "$OVS_HOME/cache" # Added for apache integration
    chown -R nmt:nmt "$OVS_HOME"
    chown -R nmt:nmt /share/.nzbget/nzbget.conf*
}

BOUNCE_NZBGET() {
    #Bounce nzbget if its running
    #nmt should set its own Daemon user - but wrapped command with su 
    #because of reports of nzbget running as nobody.

    # "$OVS_HOME/bin/unpak.sh nzbget_cmd restart"

    if ps | grep -q '[n]zbget' ; then
        su -s /bin/sh nmt -c "$OVS_HOME/bin/unpak.sh nzbget_cmd restart"
    fi
}

# for nmt100
# Install Oversight under Apache port 9999 as well as Sybhttpd 8883
# This provides:
# 1. Faster image loading when using Eversion (Apache is condifured lo load images directly)
# 2. Avoid zombie oversight.cgi left by sybhttpd.
# 3. Allows apache security .htaccess
# However apache runs as 'nobody' user - so Oversight functions (delete/delist) wont work.
APACHE_INSTALL() {
    APACHE_UNINSTALL

    if [ -d /share/Apps/AppInit ] ; then
        set -x
        echo @@@@@@@@@@@@@@@@@@@@@@@@@@
        echo Apache Install
        sed -i '/VirtualHost.*9999/ a\
        \
        ScriptAliasMatch ^/oversight/yamj/(.*).xml  '"$OVS_HOME"'/oversight.cgi\
        AliasMatch ^/oversight/yamj/banner_(.*jpg)  '"$OVS_HOME"'/db/global/_b/ovs_$1\
        AliasMatch ^/oversight/yamj/fanart_(.*jpg)  '"$OVS_HOME"'/db/global/_fa/ovs_$1\
        AliasMatch ^/oversight/yamj/poster_(.*jpg)  '"$OVS_HOME"'/db/global/_J/ovs_$1\
        AliasMatch ^/oversight/yamj/thumb_(.*).jpg  '"$OVS_HOME"'/db/global/_J/ovs_$1.thumb.jpg\
        AliasMatch ^/oversight/yamj/boxset_(.*).jpg '"$OVS_HOME"'/db/global/_J/ovs_$1.thumb.boxset.jpg' /share/Apps/AppInit/httpd.conf

        ln -sf $OVS_HOME /share/Apps/AppInit/websites

        # The following is to stop apache logging errors when Eversion probes for an index file
        mkdir -p "$OVS_HOME/yamj"
        echo "This file exists to suppress errors in apache log" > "$OVS_HOME/yamj/index.html"
    fi
}
APACHE_UNINSTALL() {
    echo Apache Uninstall
    if [ -d /share/Apps/AppInit ] ; then
        sed -i '/oversight.yamj/ d' /share/Apps/AppInit/httpd.conf
        rm -f /share/Apps/AppInit/websites/oversight
    fi
}
APACHE_RESTART() {
    echo Apache restart
    kill -1 `cat /??t/*/server/php5server/httpd.pid`
}


case "$1" in 
    install|oversight-install)
        PERMS
        set -x
        INSTALL > "$OVS_HOME/logs/install.log" 2>&1
        set +x
        PERMS
        BOUNCE_NZBGET
        ;;
    uninstall)
        NZBGET_UNPAK_UNINSTALL
        "$shPath" UNINSTALL || true
        "$NMT" NMT_UNINSTALL "$appname"
        "$NMT" NMT_UNINSTALL_WS "$wsname" 
        "$NMT" NMT_INSTALL_WS_BANNER "$wsname" "Uninstalled"
        APACHE_UNINSTALL
        APACHE_RESTART
        PERMS
        ;;
    check)
        $NMT NMT_CHECK "$OVS_HOME" 2> "$OVS_HOME/check.err"
        cat "$OVS_HOME/logs/listen.log" >> "$OVS_HOME/check.log"
        mv "$OVS_HOME/check.log" "$OVS_HOME/logs/check.log"
        "$NMT" NMT_INSTALL_WS_BANNER "$wsname" "Output saved in logs/check.log"
        PERMS
        ;;
    *) echo "install|uninstall|check"
esac

rm -f $LOCK