url-handler

#!/bin/bash
#
# Based on url_handler.sh for SuSE Linux
#
# Copyright (c) 2000  SuSE GmbH  Nuernberg, Germany.
#
# Author: Werner Fink <werner@suse.de>
#
# Subject to the same license it is distributed with by SUSE.
#

#logger -t $0 "$@" / $DISPLAY
exec >&/tmp/url_handler.log

here=$(dirname $0)

# Allow hooks to manipulate "$1" prior to parsing.
HOOK_DIR=".url_handler.d"
source "$ZDOTDIR/lib/libhooks.sh"
while read hook; do
    if source "$hook"; then
        break
    fi
done < <(source $ZDOT_FIND_HOOKS "$HOOK_DIR")
# The while read; do ... done < <() is necessary to
# avoid the while's body running in a subshell.

if [ -z "$1" ]; then
    exit 0
fi

url="$1"
method="${1%%:*}"

if test "$url" = "$method" ; then
    # no method was specified, try to guess one
    case "${url%%.*}" in
        www|web|w3) method=http                 ;;
        mail|mailx) method=mailto       ;;
        gopher)             method=gopher       ;;
        *)
            case "${url}" in
                *@*)
                    method=mailto
                    ;;
                *)
                    if [ -e "$url" ]; then
                        method=file
                        url="`$here/abs \"$url\"`"
                    fi
                    ;;
            esac
        ;;
    esac
    case "$method" in
        mailto|file)    url="${method}:$url"    ;;
        *)              url="${method}://$url"  ;;
    esac
fi

### an alternative method of handling "news:*" URL's
#
# if test "$method" = "news" ; then
#     url="http://www.deja.com/[ST_rn=if]/topics_if.xp?search=topic&group=${url#news:}"
#     method=http
# fi

shift

firefox_handler () {
    wmctrl -a firefox
    ff_version="`firefox -version`"
    echo "ff_version $ff_version"
    case "$ff_version" in
        *1.5.0.8)
            # tested on FC6
            firefox -remote "openURL($url,new-tab)" && exit 0 ;;
        *1.5.0.*)
            firefox "$url" & exit 0 ;;
        *2.0*)
            firefox -new-tab "$url" && exit 0 ;;
        *)
            # unset of DESKTOP_STARTUP_ID needed for
            # launching browser tabs within skype - go
            # figure...
            DESKTOP_STARTUP_ID= firefox -remote "openURL($url,new-tab)" && exit 0 ;;
    esac
}

# Checks for a named process running as me
process_running_my_uid () {
    proc="$1"
    pgrep -u "`id -un`" "$@" >/dev/null
}

chrome_handler () {
    if process_running_my_uid google-chrome; then
        browser=google-chrome
    elif process_running_my_uid chrome; then
        browser=google-chrome
        switch_to=chrome
    elif process_running_my_uid brave-browser; then
        browser=brave-browser
    elif process_running_my_uid chromium; then
        browser=chromium
    else
        browser=chromium
        #browser=google-chrome
    fi
    : ${switch_to:=$browser}

    if [ -z "$SSH_CONNECTION" ]; then
        if pgrep fluxbox >&/dev/null; then
            fluxbox-remote "MacroCmd {NextWindow (Name=$browser) (Head=1)} {Exec focus-active-window}"
        elif which wmctrl >&/dev/null; then
            # -x searches by WM_CLASS
            wmctrl -x -a "$switch_to"
        else
            echo "WARNING: Didn't find wmctrl on \$PATH" >&2
        fi
    fi

    "$browser" "$1"
}

case "$method" in
    ftp)
        ftp=ftp
        if type -p lftp >& /dev/null ; then
            ftp=lftp
        elif type -p ncftp >& /dev/null ; then
            ftp=ncftp
        else
            url="${url#ftp://}"
            echo "=====>  Paste this command by mouse:"
            echo cd "/${url#*/}"
            url="${url%%/*}"
        fi
        exec $ftp "$url"
        ;;
    file|http|https|gopher)
        if test -n "$DISPLAY"; then
            if type -p google-chrome >& /dev/null; then
                chrome_handler "$url" && exit 0
            fi
            if type -p firefox >& /dev/null; then
                firefox_handler "$url" && exit 0
            fi
            # if type -p mozilla >& /dev/null; then
            #     # FIXME - which mozilla versions?
            #     mozilla -remote "openURL($url,new-tab)" && exit 0
            # fi
        fi
        type -p links >& /dev/null && links "$url" && exit 0
        type -p w3m   >& /dev/null && w3m   "$url" && exit 0
        type -p lynx  >& /dev/null && lynx  "$url" && exit 0
        echo "No HTTP browser found."
        read -p "Press return to continue: "
        exit 1
        ;;
    mailto)
        mailto-handler "$url"
        ;;
    textedit)
        lilypond-invoke-editor "$url"
        exit 0
        ;;
    *)
        echo >&2 "URL type \"$method\" not known"
        exit 1
        ;;
esac