docs: SBOM updated #3

	name: Validate Android source strings

	on:
	push:

	permissions:
	contents: read

	jobs:
	validate-strings:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v5

	- name: Install xmlstarlet
	run: sudo apt-get update && sudo apt-get install -y xmlstarlet

	- name: Validate source strings
	run: \|
	xml_file="owncloudApp/src/main/res/values/strings.xml"
	has_errors=0

	# ANSI-C quoting to read characters correctly
	forbidden_values=($'\'' $'"' $'@' $'\n' $'\t')
	forbidden_labels=($'\'' $'"' $'@' '\n' '\t')
	escaped_values=($'\\\'' $'\\"' $'\\@' $'\\n' $'\\t')

	# Take one line every lap
	while IFS= read -r line; do
	string_name="${line%%^*}"
	string_value="${line#*^}"
	check_value="$string_value"

	# Check if the string contains any of the escaped_values and remove it
	for escaped in "${escaped_values[@]}"; do
	check_value="${check_value//"$escaped"/}"
	done

	# Check if the string contains any of the forbidden_values
	found_forbidden=()
	# Getting the index with !
	for i in "${!forbidden_values[@]}"; do
	if [[ "$check_value" == "${forbidden_values[$i]}" ]]; then
	found_forbidden+=("${forbidden_labels[$i]}")
	fi
	done

	if (( ${#found_forbidden[@]} > 0 )); then
	echo "Source string \"$string_name\" contains forbidden characters: ${found_forbidden[*]}"
	has_errors=1
	fi
	done < <(
	xmlstarlet sel \
	-t \
	-m '/resources/string' \
	-v '@name' \
	-o '^' \
	-v '.' \
	-n \
	"$xml_file"
	)

	exit $has_errors

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