Initial

1 files changed, 104 insertions, 0 deletions

diff --git a/functions.sh b/functions.sh
new file mode 100755
index 0000000..857ae55
--- /dev/null
+++ b/functions.sh
@@ -0,0 +1,104 @@
+#!/usr/bin/env bash
+function flogin() {
+	rm -f cookiejar.txt csrftoken.txt
+	local authtoken
+	authtoken="$(curl -s https://www.e-thermostaat.nl | grep -o -m 1 '<input name="authenticity_token.*\?/>' | sed 's/.*value="//g' | sed 's/".*$//g' | sed 's/=/%3D/g')"
+	declare -a creds
+	creds=($(fgetcredentials))
+	curl -s -c cookiejar.txt 'https://www.e-thermostaat.nl/process_login?locale=nl&secure=true' -d "utf8=%E2%9C%93&authenticity_token=$authtoken&login=${creds[0]}&password=${creds[1]}&commit=Inloggen" >/dev/null
+	fgetcsrftoken >csrftoken.txt
+}
+
+function flogout() {
+	curl -s -c cookiejar.txt -b cookiejar.txt 'https://www.e-thermostaat.nl/logout' >/dev/null
+	rm -f cookiejar.txt csrftoken.txt
+}
+
+function fgetcredentials() {
+	#credentials.txt should be something like "username password".
+	#code currently can't handle spaces in either.
+	cat credentials.txt
+}
+
+function fensurelogin() {
+	# fgetthermpage >/dev/null  #STUB
+	curl -s -I -c cookiejar.txt -b cookiejar.txt 'https://www.e-thermostaat.nl/pages/index' | head -n 1 | grep -m 1 200 >/dev/null
+	if test $? -ne 0; then
+		flogin
+	fi
+}
+
+function fgetthermpage() {
+	local page
+	while true; do
+		page="$(curl -s -c cookiejar.txt -b cookiejar.txt 'https://www.e-thermostaat.nl/pages/thermostat')"
+		if test -z "$(grep -o -m 1 redirected <<<"$page")"; then
+			break
+		fi
+		flogin
+	done
+	cat <<<"$page"
+}
+
+function fgetcsrftoken() {
+	fgetthermpage | grep '<meta' | grep 'csrf-token' | sed 's/.*content="\([^"]*\)".*/\1/'
+}
+
+function fcsrftoken() {
+	if ! test -e csrftoken.txt; then
+		flogin
+	fi
+	cat csrftoken.txt
+}
+
+function fcurlwithtoken() {
+	curl -s -b cookiejar.txt -c cookiejar.txt -H "X-CSRF-token: $(fcsrftoken)" -e 'https://www.e-thermostaat.nl/pages/index' $@
+}
+
+#returns currenttemp targettemp.
+#capture with declare -a temp; temp=($(fgettemp)); echo ${temp[0]} ${temp[1]}
+function fgettemp() {
+	local page images templateimgs tempcontext tempimgs tempsrcs tempstr currenttemp targettemp
+	page="$(fgetthermpage)"
+	images="$(grep -o "<img.*\?/>" <<<"$page")"
+	templateimgs="$(grep 'height="1"' <<<"$images")"
+	declare -A srcalt  #associative array
+	for templateimg in $(tr -d ' ' <<<"$templateimgs"); do
+		src="$(sed 's/.*src="\([^"]*\)".*/\1/' <<<"$templateimg")"
+		alt="$(sed 's/.*alt="\([^"]*\)".*/\1/' <<<"$templateimg" | tr , .)"
+		srcalt["$src"]="$alt"
+	done
+	tempcontext="$(grep -C 3 '<div \+id *= *"temperature">' <<<"$page")"
+	tempimgs="$(grep -o '<img[^>]*>' <<<"$tempcontext" | grep -v "Thermostaat mode" | grep 'height="35"')"
+	tempsrcs="$(sed 's/.*src="\([^"]*\)".*/\1/' <<<"$tempimgs")"
+	tempstr=""
+	for tempsrc in $tempsrcs; do
+		tempstr+="${srcalt["$tempsrc"]}"
+	done
+	currenttemp="${tempstr:0:4}"
+	targettemp="${tempstr:4:4}"
+	echo "$currenttemp" "$targettemp"
+}
+
+#takes one argument, the temperature increment in floating point format.
+#the system only accepts multiples of 0.5, though
+function finctemp() {
+	if ! [[ "$1" =~ ^-?[0-9]*(\.[05])?$ ]]; then
+		return 1
+	fi
+	fensurelogin
+	fcurlwithtoken -d "increment=$1" 'https://www.e-thermostaat.nl/processing/temperature' >/dev/null
+}
+
+
+function fissourced() {
+	test ${BASH_SOURCE[0]} != $0
+}
+
+if ! fissourced; then
+	if test $# -eq 0; then
+		echo "functions.sh is meant to be sourced (or called with parameters, but that's only for advanced people)"
+	else
+		eval $@
+	fi
+fi