fix syntax error in aria2c.sh (#230)

* fix syntax error in aria2c.sh

* fix syntax error

APP_VERSION

@@ -1 +1 @@
-5.0.3
+5.2.0

aria2c.sh

@@ -1,21 +1,26 @@
 #! /bin/bash -eu
 
 sed -i 's/6800/'"${ARIA2_EXTERNAL_PORT}"'/g' /usr/local/www/aria2/js/aria-ng*.js
-RPC_SECRET_BASE64=$(echo -n ${RPC_SECRET}|base64)
+RPC_SECRET_BASE64=$(echo -n ${RPC_SECRET} | base64)
 sed -i 's/secret:\"\"/secret:\"'"${RPC_SECRET_BASE64}"'\"/g' /usr/local/www/aria2/js/aria-ng*.js
 
-if [ "$ARIA2_SSL" = "true" ]; then
-echo "[INFO] Start aria2 with secure config"
+if [[ "${ARIA2_SSL}" = "true" ]]; then
+  echo "[INFO] Start aria2 with secure config and rpc-secret"
 
-/usr/bin/aria2c --conf-path="/app/conf/aria2.conf" \
---enable-rpc --rpc-listen-all \
---rpc-certificate=/app/conf/key/aria2.crt \
---rpc-private-key=/app/conf/key/aria2.key \
---rpc-secret="$RPC_SECRET" --rpc-secure \
+  /usr/bin/aria2c --conf-path="/app/conf/aria2.conf" \
+    --enable-rpc --rpc-listen-all \
+    --rpc-certificate=/app/conf/key/aria2.crt \
+    --rpc-private-key=/app/conf/key/aria2.key \
+    --rpc-secret="${RPC_SECRET}" --rpc-secure
 
+elif [[ "${ARIA2_SSL}" = "false" ]] && [[ "${RPC_SECRET}" != "" ]]; then
+  echo "[INFO] Start aria2 with rpc-secret"
+  /usr/bin/aria2c --conf-path="/app/conf/aria2.conf" \
+    --enable-rpc \
+    --rpc-listen-all \
+    --rpc-secret="${RPC_SECRET}"
 else
-
-echo "[INFO] Start aria2 with standard mode"
-/usr/bin/aria2c --conf-path="/app/conf/aria2.conf" --enable-rpc --rpc-listen-all
+  echo "[INFO] Start aria2 with standard mode"
+  /usr/bin/aria2c --conf-path="/app/conf/aria2.conf" --enable-rpc --rpc-listen-all
 
 fi