From 21e2b063ee14b701c9f42d5d136080d109f2b8c8 Mon Sep 17 00:00:00 2001
From: hael <laci@sse.hu>
Date: Thu, 2 Feb 2023 14:04:21 +0000
Subject: [PATCH] Remove and modify alternate locations

---
 scripts/nginx_config_create.sh | 80 ++++++++++++++++++++++++++++------
 1 file changed, 67 insertions(+), 13 deletions(-)

diff --git a/scripts/nginx_config_create.sh b/scripts/nginx_config_create.sh
index 841f064..a818a27 100755
--- a/scripts/nginx_config_create.sh
+++ b/scripts/nginx_config_create.sh
@@ -12,7 +12,7 @@ if [ -n "$2" ]; then
 fi
 
 DOMAIN_SOURCE=/domains/$DOMAIN
-#DOMAIN_SOURCE=./domains/$DOMAIN
+#DOMAIN_SOURCE=./domains/$DOMAIN #TEMP
 DOMAIN_NAME=$(jq -r .DOMAIN $DOMAIN_SOURCE)
 HTTP_PORT=$(jq -r .HTTP_PORT $DOMAIN_SOURCE)
 HTTPS_PORT=$(jq -r .HTTPS_PORT $DOMAIN_SOURCE)
@@ -25,9 +25,19 @@ ERROR_PAGE=$(jq -r .ERROR_PAGE $DOMAIN_SOURCE)
 MAX_BODY_SIZE=$(jq -r .MAX_BODY_SIZE $DOMAIN_SOURCE)
 DEBUG=$(jq -r .DEBUG $DOMAIN_SOURCE)
 ALLOWED_NETWORK=$(jq -r '.ALLOWED_NETWORK | select(.!="null") | join(" ")' $DOMAIN_SOURCE)
+OPERATION=$(jq -r '.OPERATION' $DOMAIN_SOURCE)
 ALTERNATE_LOCATION_PATH=$(jq -r .ALTERNATE_LOCATION_PATH $DOMAIN_SOURCE)
 
 add_alternate_location() {
+	{
+		cat $DOMAIN_NAME.conf | head -n -1
+		add_location;
+		echo "}"
+
+	} >> "$file"
+}
+
+add_location() {
 
 		if [[ "$ALTERNATE_LOCATION_PATH" != "" ]]; then
 
@@ -43,6 +53,13 @@ add_alternate_location() {
 				ALP_LOCAL_PORT=$(echo $ALP | jq -rc .LOCAL_PORT);
 				ALP_LOCAL_ALLOWED_NETWORK=$(echo $ALP | jq -rc '.LOCAL_ALLOWED_NETWORK | select(.!="null") | join(" ")');
 
+				# do not duplicate locations
+				EXISTS=$(grep -rn "location /$ALP_LOCAL_PATH {" -m 1 $DOMAIN_NAME.conf);
+				if [ -n "$EXISTS" ]; then
+					# skip if exists
+					continue;
+				fi;
+
 				if [[ "$ALP_LOCAL_NAME" = "" ]]; then
 					ALP_LOCAL_NAME=$LOCAL_NAME
 				fi;
@@ -85,11 +102,47 @@ add_alternate_location() {
 				echo " proxy_redirect off;"
 				echo " proxy_buffering off;"
 				echo "}"
+				echo "# location end"
 			done;
 		fi;
 
 }
 
+remove_alternate_location() {
+
+	if [[ "$ALTERNATE_LOCATION_PATH" != "" ]]; then
+
+		ALP_IDX=$(jq -r '.ALTERNATE_LOCATION_PATH | length' $DOMAIN_SOURCE)
+		ALP_IDX=$(( $ALP_IDX - 1 ))
+
+		for i in $(seq 0 $ALP_IDX) ;
+		do
+			ALP=$(jq -r .ALTERNATE_LOCATION_PATH[$i] $DOMAIN_SOURCE)
+			ALP_LOCAL_PATH=$(echo $ALP | jq -rc .LOCAL_PATH);
+			remove_location $ALP_LOCAL_PATH
+		done;
+	fi;
+}
+
+remove_location() {
+	local LOCATION=$1
+
+	LOCATION_ROW="location /$LOCATION {";
+	ROW_NUMBER=$(grep -rn "$LOCATION_ROW" $DOMAIN_NAME.conf | cut -d ':' -f1);
+	OFFSET=$(tail -n+$ROW_NUMBER $DOMAIN_NAME.conf | grep -n '# location end' -m 1 | cut -d ':' -f1);
+	START=$(($ROW_NUMBER - 1));
+	END=$(($ROW_NUMBER + $OFFSET));
+
+	{
+		head -n$START $DOMAIN_NAME.conf
+		tail -n+$END $DOMAIN_NAME.conf
+	} >> $file
+
+	mv $file $DOMAIN_NAME.conf;
+}
+
+
+file="/tmp/$DOMAIN.conf"
 
 # check whether certificates exist or not
 
@@ -99,20 +152,20 @@ fi
 
 echo "created domain name: "$DOMAIN;
 
-file="/tmp/$DOMAIN.conf"
-
 #cp -a /scripts/nginx_template.conf /tmp/$DOMAIN.conf
 
 # if domain already exists as a config file append alternate location there
 if [ -f $DOMAIN_NAME.conf ]; then
-	
-	{
-		cat $DOMAIN_NAME.conf | head -n -1
+
+	if [ "$OPERATION" = "DELETE" ]; then
+		remove_alternate_location;
+	elif [ "$OPERATION" = "MODIFY" ]; then
+		remove_alternate_location;
 		add_alternate_location;
-		echo "}"
-
-	} >> "$file"
-
+	else
+		# default CREATE, append location
+		add_alternate_location;
+	fi;
 else
 
 # create new nginx config
@@ -295,8 +348,7 @@ echo " proxy_pass http://$LOCAL_NAME:$HTTPS_PORT;"
 		echo " proxy_buffering off;"
 		echo "}"
 
-
-		add_alternate_location;
+		add_location;
 
 	fi
 
@@ -308,6 +360,8 @@ fi
 
 fi; # end of create new nginx config
 
-mv $file $DOMAIN_NAME.conf;
+if [ "$OPERATION" != "DELETE" ]; then
+	mv $file $DOMAIN_NAME.conf;
+fi;
 echo "$DOMAIN" >> new_config