browser-tab

#!/bin/bash
# (c) 2020 Leif Sawyer
# License: GPL 3.0 (see https://github.com/akhepcat/)
# Permanent home:  https://github.com/akhepcat/Miscellaneous/
# Direct download: https://raw.githubusercontent.com/akhepcat/Miscellaneous/master/browser-tab
# 
URL="${*:-http://localhost/}"

PREFERCHROME=1
DEBUG=${DEBUG:-1}
FORCEPREFER=0
USE_PROXY=0
[[ -e "~/.proxy.cnf" ]] && PROX="$(cat ~/.proxy.cnf)"	# one proxy per line, in uri format; socks/http supported

DBGLOG=/tmp/urls


test ${DEBUG} -gt 1 && echo "DBG: new session starting..." >> $DBGLOG


test ${DEBUG} -gt 2 && echo "DBG: Cleaning up url >>${URL}<<" >> $DBGLOG
# Invalid characters that can show up in urls because of pidgin dumbs.

OVER=1
if [ $OVER -eq 1 ]; then
############# These are commented out.....
if [ -z "${URL//\'*http*/}" ]
then
	URL="${URL//*\'*http/http}"
	test ${DEBUG} -gt 2 && echo "DBG: pre-tick >>${URL}<<" >> $DBGLOG
fi

if [ -z "${URL//\"*http*/}" ]
then
	URL="${URL//*\"*http/http}"
	test ${DEBUG} -gt 2 && echo "DBG: pre-quote >>${URL}<<" >> $DBGLOG
fi

if [ -z "${URL//*\!*http*/}" ]
then
	URL="${URL//*\!*http/http}"
	test ${DEBUG} -gt 2 && echo "DBG: pre-bang >>${URL}<<" >> $DBGLOG
fi

# Unicode cleanups:
if [ -z "${URL//*\”*http*/}" ]
then
	URL="${URL//*\”*http/http}"
	test ${DEBUG} -gt 2 && echo "DBG: pre-MS-quote >>${URL}<<" >> $DBGLOG
fi

if [ -z "${URL//*…*http*/}" ]
then
	URL="${URL//*…*http/http}"
	test ${DEBUG} -gt 2 && echo "DBG: pre-elipses >>${URL}<<" >> $DBGLOG
fi

if [ -z "${URL//*http*%21*/}" ]
then
	URL="${URL//%21*/}"
	test ${DEBUG} -gt 2 && echo "DBG: trailing %21 >>${URL}<<" >> $DBGLOG
fi

if [ -z "${URL//*http*%E2*/}" ]
then
	URL="${URL//%E2*/}"
	test ${DEBUG} -gt 2 && echo "DBG: trailing %21 >>${URL}<<" >> $DBGLOG
fi

########################
else
	# remove extraneous characters from the beginning
	URL=http${URL#*http}
fi

if [ -z "${URL//*http*\'*/}" ]
then
	URL="${URL//\'*/}"
	test ${DEBUG} -gt 2 && echo "DBG: post-tick >>${URL}<<" >> $DBGLOG
fi

if [ -z "${URL//*http*\"*/}" ]
then
	URL="${URL//\"*/}"
	test ${DEBUG} -gt 2 && echo "DBG: post-quote >>${URL}<<" >> $DBGLOG
fi

if [ -z "${URL//*http*\!*/}" ]
then
	URL="${URL//\!*/}"
	test ${DEBUG} -gt 2 && echo "DBG: post-bang >>${URL}<<" >> $DBGLOG
fi

if [ -z "${URL//*http*”*/}" ]
then
	URL="${URL//”*/}"
	test ${DEBUG} -gt 2 && echo "DBG: post-MS-quote >>${URL}<<" >> $DBGLOG
fi

if [ -z "${URL//*http*…*/}" ]
then
	URL="${URL//…*/}"
	test ${DEBUG} -gt 2 && echo "DBG: post-elipses >>${URL}<<" >> $DBGLOG
fi

test ${DEBUG} -gt 2 && echo "DBG: URL for possible unshorting: >>${URL}<<" >> $DBGLOG


CHROME=$(echo $(pgrep -x chromium; pgrep -x chrome) | wc -w)
FIREFOX=$(pgrep -x firefox | wc -l)

CRUN=$((CHROME > 0))
FRUN=$((FIREFOX > 0))

test ${DEBUG} -gt 1 && echo "DBG: CHROME_RUNNING=${CRUN}" >> $DBGLOG
test ${DEBUG} -gt 1 && echo "DBG: FIREFOX_RUNNING=${CRUN}" >> $DBGLOG

# Deal with URL shortners:

# Twitter
while true
do
	# zite.to, t.co, es.pn, bit.ly, ow.ly, fb.me, shar.es, tinyurl.com, ur1.ca, buff.ly, j.mp, bzfd.it, is.gd, tr.im; su.pr, cli.gs, v.gd, ph.ly, tiny.cc, say.ly, ht.ly, trib.al, zpr.io
	if [ -z "${URL##http*//t.co/*}" -o  -z "${URL##*http*//es.pn/*}" -o  -z "${URL##*http*//bit.ly/*}" -o  \( -z "${URL##*http*//ow.ly/*}" -a -n "${URL##*http*//ow.ly/i/*}" \) \
	     -o -z "${URL##*http*//tinyurl.com/*}" -o -z "${URL##*http*//url.ca/*}" -o -z "${URL##*http*//buff.ly/*}"  -o -z "${URL##*http*//j.mp/*}" \
	     -o -z "${URL##*http*//bzfd.it/*}" -o -z "${URL##*http*//is.gd/*}" -o -z "${URL##*http*//tr.im/*}" -o -z "${URL##*http*//su.pr/*}"  \
	     -o -z "${URL##*http*//say.ly/*}" -o -z "${URL##*http*//ht.ly/*}" -o -z "${URL##*http*//trib.al/*}" -o -z "${URL##*http*//zpr.io/*}" \
             -o -z "${URL##*http*//po.st/*}" \
	     -o -z "${URL##*http*//cli.gs/*}" -o -z "${URL##*http*//v.gd/*}" -o -z "${URL##*http*//ph.ly/*}" -o -z "${URL##*http*//tiny.cc/*}" \
	     -o -z "${URL##*http*//zite.to/*}" -o -z "${URL##*http*//fb.me/*}" -o -z "${URL##*http*//goo.gl/*}" -o -z "${URL##*http*//shar.es/*}" ]
	then
		test ${DEBUG} -gt 2 && echo "DBG: Retrieving redirection" >> $DBGLOG
		if [ $USE_PROXY -eq 1 ]
		then
			for PROXY in ${PROX}
			do
				NURL="$(curl -I -j ${PROXY:+--proxy $PROXY} $URL 2>/dev/null | \
					grep -i location: | sed 's/.*http/http/; s/\r//;' )"

				if [ -n "${NURL}" ]
				then
					last
				fi
			done

			if [ -z "${NURL}" ]
			then
				echo "invalid redirect parsing occursed for >>${URL}<< !! Bailing out" >> $DBGLOG
				exit 1
			fi
		else
			NURL="$(curl -I -j  $URL 2>/dev/null | \
				grep -i location: | sed 's/.*http/http/; s/\r//;' )"
		fi
		URL=${NURL}
	elif [ -z "${URL##*apple.news*}" ]
	then
		NURL=$(curl -s -j "${URL}" | grep 'redirectToUrl("' | cut -f2 -d\")
		URL=${NURL}

	else
		test ${DEBUG} -gt 2 && echo "DBG: redirection parsing succeded" >> $DBGLOG
		break
	fi
done

test ${DEBUG} -gt 1 && echo "DBG: FIXED_URL=${URL}" >> $DBGLOG

if [ -z "${URL##*http*//search.twitter.com/*}" ]
then
	URL=${URL//search.twitter.com/www.twitter.com}
fi

if [ ${FORCEPREFER:-0} -gt 0 ]
then
  if [ -z "${URL##*facebook.com/*}" ]
  then
	CHROME=0
	FIREFOX=1

	test ${DEBUG} -gt 1 && echo "DBG: Forcing Firefox for URL" >> $DBGLOG

  elif [ -z "${URL##*reddit.com/*}" -o -z "${URL##*suicidegirls*}" -o -z "${URL##*okcupid.com*}" ]
  then
	CHROME=1
	FIREFOX=0

	test ${DEBUG} -gt 1 && echo "DBG: Forcing Chrome for URL" >> $DBGLOG
  fi
fi

PCROM=$(pgrep -x 'chrom[ei][um ]*'| tail -1)
[[ -n "${PCROM}" ]] && MYCHROME=$(ps -o args= -q ${PCROM} | tail -1 | awk '{print $1}')  # | sed 's|.*/||;')
if [ -z "${MYCHROME}" ]
then
	which chromium-browser >/dev/null 2>&1
	if [ $? -eq 1 ]
	then

		which chromium >/dev/null 2>&1
		if [ $? -eq 1 ]
		then
			which chrome >/dev/null 2>&1
			if [ $? -eq 1 ]
			then
				which google-chrome >/dev/null 2>&1
				if [ $? -eq 1 ]
				then
					MYCHROME="echo"
				else
					MYCHROME=google-chrome
				fi
			else
				MYCHROME=chrome
			fi
		else
			MYCHROME=chromium
		fi

	else
		MYCHROME=chromium-browser
	fi
fi

test ${DEBUG} -gt 1 && echo "DBG: decided on ${MYCHROME} for chrome browser" >> $DBGLOG

if [ $PREFERCHROME -gt 0 ]
then

	test ${DEBUG} -gt 1 && echo "DBG: Chrome is preferred..." >> $DBGLOG
	if [ $FORCEPREFER -gt 0 -o $CRUN -gt 0 -a $CHROME -gt 0 ]
	then
		test ${DEBUG} -gt 0 && echo "DBG: and sent >>$URL<< to chrome -remote" >> $DBGLOG
		test ${DEBUG} -gt 4 && echo "called: ${MYCHROME} -remote \"$URL\" " >> $DBGLOG
		${MYCHROME} -remote "${URL}"
	elif [ $FRUN -gt 0 -a $FIREFOX -gt 0 ]
	then
		test ${DEBUG} -gt 0 && echo "DBG: but sent >>$URL<< to firefox -remote" >> $DBGLOG
		test ${DEBUG} -gt 4 && echo "called: /usr/bin/firefox -new-tab -url \"$URL\" " >> $DBGLOG
		/usr/bin/firefox -new-tab -url "${URL}"
	elif [ $FIREFOX -gt 0 ]
	then
		test ${DEBUG} -gt 0 && echo "DBG: but sent >>$URL<< to new firefox" >> $DBGLOG
		test ${DEBUG} -gt 4 && echo "called: /usr/bin/firefox -url \"$URL\" " >> $DBGLOG
		/usr/bin/firefox -url "${URL}"
	else
		test ${DEBUG} -gt 0 && echo "DBG: and sent >>$URL<< to new chrome" >> $DBGLOG
		test ${DEBUG} -gt 4 && echo "called: ${MYCHROME} \"$URL\" " >> $DBGLOG
		${MYCHROME} "${URL}"
	fi
else
	if [ $FRUN -gt 0 -a $FIREFOX -gt 0 ]
	then
		test ${DEBUG} -gt 0 && echo "DBG: and sent >>$URL<< to firefox -remote" >> $DBGLOG
		test ${DEBUG} -gt 4 && echo "called: /usr/bin/firefox -new-tab -url \"$URL\" " >> $DBGLOG
		/usr/bin/firefox -new-tab -url "${URL}"
	elif [ $CRUN -gt 0 -a $CHROME -gt 0 ]
	then
		test ${DEBUG} -gt 0 && echo "DBG: but sent >>$URL<< to chrome -remote" >> $DBGLOG
		test ${DEBUG} -gt 4 && echo "called: ${MYCHROME} -remote \"$URL\" " >> $DBGLOG
		${MYCHROME} -remote "${URL}"
	elif [ $CHROME -gt 0 ]
	then
		test ${DEBUG} -gt 0 && echo "DBG: but sent >>$URL<< to new chrome" >> $DBGLOG
		${MYCHROME}  "${URL}"
		test ${DEBUG} -gt 4 && echo "called: ${MYCHROME} \"$URL\" " >> $DBGLOG
	else
		test ${DEBUG} -gt 0 && echo "DBG: and sent >>$URL<< to new firefox" >> $DBGLOG
		test ${DEBUG} -gt 4 && echo "called: /usr/bin/firefox -url \"$URL\" " >> $DBGLOG
		/usr/bin/firefox -url "${URL}"
	fi
fi

test ${DEBUG} -gt 1 && echo "DBG: finished" >> $DBGLOG