From 2fce1e39efa8586c019d3da1135daf9b7b2a85a2 Mon Sep 17 00:00:00 2001
From: dtb <trinity@trinity.moe>
Date: Fri, 9 Sep 2022 21:34:14 -0400
Subject: [PATCH] (WIP) merge in upstream

---
 xdg-sanity.sh | 111 ++++++++++++++++++++++++++------------------------
 1 file changed, 57 insertions(+), 54 deletions(-)

diff --git a/xdg-sanity.sh b/xdg-sanity.sh
index 3ee015c..fb320c2 100755
--- a/xdg-sanity.sh
+++ b/xdg-sanity.sh
@@ -1,66 +1,69 @@
 #!/bin/sh
 
-INPUT=$(echo $1)
-echo "Loading configuration..."
-CONFIG=$(cat /etc/xdg-sanity/xdg-sanity.conf)
-BROWSER=$(echo $CONFIG | sed -ne 's/^browser *= *//p')
+argv0="$0"
+argv1="$1"
 
-if [ "$BROWSER" = "" ]
-then
-echo "Please place the path to your default browser's executable in /etc/xdg-sanity/xdg-sanity.conf"
-exit
-else
-echo "Found default browser $BROWSER"
+# cats out the configuration or {'\n', EOF} if it can't be found
+stream_config(){
+	cat "$HOME"/.xdg-sanity.conf 2>/dev/null \
+		|| cat "$HOME"/.config/xdg-sanity.conf 2>/dev/null \
+		|| cat /etc/xdg-sanity/xdg-sanity.conf 2>/dev/null \
+		|| echo # empty line
+}
+
+# check if usage is valid
+if ! test -n "$1"; then
+	printf "Usage: %s [resource...]\n" "$argv0"
+	exit 64 # sysexits(3) EX_USAGE
 fi
 
-echo "Loading extensions..."
-for EXT in /etc/xdg-sanity/extensions/*.sh
-do
-
-if [ "$EXT" = "/etc/xdg-sanity/extensions/*.sh" ]
-then
-echo "No extensions to load"
-else
-
-for EXT in /etc/xdg-sanity/extensions/*.sh
-do
-TYPE=$(cat $EXT | sed -ne 's/^# EXT-TYPE=//p' | tr -d '\n')
-echo "Found $TYPE extension $EXT"
-
-if [ "$TYPE" = "replace" ]
-then
-echo "Modifying $INPUT..."
-INPUT=$($EXT "$INPUT")
-echo "Got $INPUT"
-
-else
-if [ "$TYPE" = "mime" ]
-then
-echo "Modifying MIME type..."
-MIME=$($EXT "$INPUT")
-echo "Got $MIME"
-
-fi
+# check if we have curl(1)
+if ! command -v curl >/dev/null 2>&1; then
+	printf "%s: Missing dependency: curl(1)\n" "$argv0"
+	exit 71 # sysexits(3) EX_OSERR
 fi
 
-done
+test -n "$BROWSER" || BROWSER="$(stream_config | sed -ne 's/^browser *= *//p')"
+
+# check if we have a $BROWSER
+if ! test -n "$BROWSER"; then
+	printf "\
+%s: \$BROWSER not filled.
+	Please place the path to your default browser's executable in
+	/etc/xdg-sanity/xdg-sanity.conf
+" "$0"
+	exit 71 # sysexits(3) EX_OSERR
 fi
 
+MIME="$(curl -s -o /dev/null -w '%{content_type}' $1 | sed 's/\;.*//' | xargs echo)"
+# RESPONSE_CODE=$(curl -fLIs "$INPUT" | sed -ne 's/ [[:space:]]*$//p' | sed -ne 's|^HTTP/.\+ ||p')
+
+for EXT in /etc/xdg-sanity/extensions/*.sh; do
+	if [ "$EXT" = "/etc/xdg-sanity/extensions/*.sh" ]; then
+		echo "No extensions to load"
+	else
+		for EXT in /etc/xdg-sanity/extensions/*.sh; do
+			TYPE=$(cat $EXT | sed -ne 's/^# EXT-TYPE=//p' | tr -d '\n')
+			echo "Found $TYPE extension $EXT"
+
+			if [ "$TYPE" = "replace" ]; then
+				echo "Modifying $INPUT..."
+				argv1=$($EXT "$argv1")
+				echo "Got $INPUT"
+			elif [ "$TYPE" = "mime" ]; then
+				echo "Modifying MIME type..."
+				MIME="$($EXT "$argv1")"
+				echo "Got $MIME"
+			fi
+		done
+	fi
+
 done
 
-if [ "$MIME" = "" ] || [ "$MIME" = "$1" ] || [ "$MIME" = "$INPUT" ]
-then
-echo "Determining MIME type of $INPUT:"
-# Determines HTTP code, might use for something else?
-# CODE=$(curl -fLIs "$INPUT" | sed -ne 's/ [[:space:]]*$//p' | sed -ne 's|^HTTP/.\+ ||p')
-MIME=$(curl -fLIs "$INPUT" | sed -ne 's/^[cC]ontent-[tT]ype: //p' | sed -e 's/;.\+//p' | tail -n1 | tr -d '\r')
-echo $MIME
-fi
-
-if [ "$MIME" = "text/html" ]
-then
-$BROWSER $INPUT
-
+# determine the MIME type, strip everything after the first semicolon, and
+# check to see if it's HTML
+if [ "$MIME"= "text/html" ]; then
+	$BROWSER "$1"
 else
-handlr launch "$MIME" -- "$INPUT"
-fi
\ No newline at end of file
+	handlr launch "$MIME" -- "$1"
+fi