Merge pull request #52 from nsf/master

Make it possible to bootstrap using provided ovpn configs zip file.

Dockerfile

@@ -12,6 +12,7 @@ ENV OPENVPN_OPTS=
 ENV CONNECTION_TYPE=tcp
 ENV LAN_NETWORK=
 ENV CREATE_TUN_DEVICE=
+ENV OVPN_CONFIGS=
 HEALTHCHECK --interval=60s --timeout=10s --start-period=30s CMD curl -L 'https://ipinfo.io'
 COPY startup.sh .
 RUN apk add --update --no-cache openvpn wget unzip coreutils curl && chmod +x ./startup.sh

README.md

@@ -31,6 +31,7 @@ The container is configurable using 5 environment variables:
 |CONNECTION_TYPE|No|The connection type that you want to use: tcp, udp|
 |LAN_NETWORK|No|Lan network used to access the web ui of attached containers. Can be comma seperated for multiple subnets Comment out or leave blank: example 192.168.0.0/24|
 |CREATE_TUN_DEVICE|No|Creates the TUN device, useful for NAS users|
+|OVPN_CONFIGS|No|Manually provide the path used to read the "Surfshark_Config.zip" file (contains Surshark's OpenVPN configuration files)
 
 `SURFSHARK_USER` and `SURFSHARK_PASSWORD` are provided at this page: [https://my.surfshark.com/vpn/manual-setup/main](https://my.surfshark.com/vpn/manual-setup/main).
 
@@ -103,6 +104,17 @@ If you want access to an attached container's web ui you will also need to expos
 
 If you face network connection problems, I suggest you to set a specific DNS server for each container.
 
+## Provide OpenVPN Configs Manually
+
+Sometimes the startup script fails to download OpenVPN configs file from Surfshark's website, possibly due to the DDoS protection on it.
+
+
+To avoid it, you can provide your own `Surfshark_Config.zip` file, downloading it from [here](https://my.surfshark.com/vpn/api/v1/server/configurations).
+
+Then, you **must** make the `zip` available inside the container, using a [bind mount](https://docs.docker.com/storage/bind-mounts/) or a [volume](https://docs.docker.com/storage/volumes/).
+
+Finally, you **must** set the `OVPN_CONFIGS` environment variable.
+
 ## Do you like my work?
 <p align="center">
     <a href="https://www.patreon.com/ilteoood">

startup.sh

@@ -1,7 +1,10 @@
 #!/bin/sh
 rm -rf ovpn_configs*
-wget -O ovpn_configs.zip https://my.surfshark.com/vpn/api/v1/server/configurations
-unzip ovpn_configs.zip -d ovpn_configs
+if [ -z "${OVPN_CONFIGS}" ]; then
+  wget -O ovpn_configs.zip https://my.surfshark.com/vpn/api/v1/server/configurations
+  OVPN_CONFIGS=ovpn_configs.zip
+fi
+unzip "${OVPN_CONFIGS}" -d ovpn_configs
 cd ovpn_configs
 VPN_FILE=$(ls "${SURFSHARK_COUNTRY}"* | grep "${SURFSHARK_CITY}" | grep "${CONNECTION_TYPE}" | shuf | head -n 1)
 echo Chose: ${VPN_FILE}