From 8ce905bd1dbef9818a59f3ca71addd3e5bfe896e Mon Sep 17 00:00:00 2001 From: Quentin McGaw Date: Thu, 27 Jun 2019 13:12:03 +0200 Subject: [PATCH] Added web HTTP proxy --- Dockerfile | 18 ++++++++++++------ README.md | 27 ++++++++++++++++++++++----- docker-compose.yml | 2 ++ entrypoint.sh | 28 ++++++++++++++++++++++++++++ tinyproxy.conf | 17 +++++++++++++++++ 5 files changed, 81 insertions(+), 11 deletions(-) create mode 100644 tinyproxy.conf diff --git a/Dockerfile b/Dockerfile index 1f951072..02333c9c 100644 --- a/Dockerfile +++ b/Dockerfile @@ -30,10 +30,15 @@ ENV USER= \ BLOCK_NSA=off \ UNBLOCK= \ FIREWALL=on \ - EXTRA_SUBNETS= + EXTRA_SUBNETS= \ + PROXY=on \ + PROXY_LOG_LEVEL=Critical \ + PROXY_USER= \ + PROXY_PASSWORD= ENTRYPOINT /entrypoint.sh +EXPOSE 8888 HEALTHCHECK --interval=3m --timeout=3s --start-period=20s --retries=1 CMD /healthcheck.sh -RUN apk add -q --progress --no-cache --update openvpn wget ca-certificates iptables unbound unzip && \ +RUN apk add -q --progress --no-cache --update openvpn wget ca-certificates iptables unbound unzip tinyproxy && \ wget -q https://www.privateinternetaccess.com/openvpn/openvpn.zip \ https://www.privateinternetaccess.com/openvpn/openvpn-strong.zip \ https://www.privateinternetaccess.com/openvpn/openvpn-tcp.zip \ @@ -44,7 +49,7 @@ RUN apk add -q --progress --no-cache --update openvpn wget ca-certificates iptab unzip -q openvpn-tcp.zip -d /openvpn/tcp-normal && \ unzip -q openvpn-strong-tcp.zip -d /openvpn/tcp-strong && \ apk del -q --progress --purge unzip && \ - rm -rf /*.zip /var/cache/apk/* /etc/unbound/* /usr/sbin/unbound-anchor /usr/sbin/unbound-checkconf /usr/sbin/unbound-control /usr/sbin/unbound-control-setup /usr/sbin/unbound-host && \ + rm -rf /*.zip /var/cache/apk/* /etc/unbound/* /usr/sbin/unbound-anchor /usr/sbin/unbound-checkconf /usr/sbin/unbound-control /usr/sbin/unbound-control-setup /usr/sbin/unbound-host /etc/tinyproxy/tinyproxy.conf && \ adduser nonrootuser -D -H --uid 1000 && \ wget -q https://raw.githubusercontent.com/qdm12/updated/master/files/named.root.updated -O /etc/unbound/root.hints && \ wget -q https://raw.githubusercontent.com/qdm12/updated/master/files/root.key.updated -O /etc/unbound/root.key && \ @@ -59,9 +64,10 @@ RUN apk add -q --progress --no-cache --update openvpn wget ca-certificates iptab tar -cjf /etc/unbound/blocks-nsa.bz2 blocks-nsa.conf && \ rm -f /tmp/* COPY unbound.conf /etc/unbound/unbound.conf +COPY tinyproxy.conf /etc/tinyproxy/tinyproxy.conf COPY entrypoint.sh healthcheck.sh portforward.sh / -RUN chown nonrootuser -R /etc/unbound && \ - chmod 700 /etc/unbound && \ - chmod 600 /etc/unbound/unbound.conf && \ +RUN chown nonrootuser -R /etc/unbound /etc/tinyproxy && \ + chmod 700 /etc/unbound /etc/tinyproxy && \ + chmod 600 /etc/unbound/unbound.conf /etc/tinyproxy/tinyproxy.conf && \ chmod 500 /entrypoint.sh /healthcheck.sh /portforward.sh && \ chmod 400 /etc/unbound/root.hints /etc/unbound/root.key /etc/unbound/*.bz2 diff --git a/README.md b/README.md index b16fd560..a4561903 100644 --- a/README.md +++ b/README.md @@ -31,6 +31,7 @@ - [IPtables 1.8.3](https://pkgs.alpinelinux.org/package/v3.10/main/x86_64/iptables) enforces the container to communicate only through the VPN or with other containers in its virtual network (acts as a killswitch) - [Unbound 1.9.1](https://pkgs.alpinelinux.org/package/v3.10/main/x86_64/unbound) configured with Cloudflare's [1.1.1.1](https://1.1.1.1) DNS over TLS - [Files and blocking lists built periodically](https://github.com/qdm12/updated/tree/master/files) used with Unbound (see `BLOCK_MALICIOUS` and `BLOCK_NSA` environment variables) +- [TinyProxy 1.10.0](https://pkgs.alpinelinux.org/package/v3.10/main/x86_64/tinyproxy)

@@ -45,7 +46,7 @@ - DNS over TLS - Malicious DNS blocking - Internal firewall - - Run openvpn without root (but will give reconnect problems) + - Web HTTP proxy - Run openvpn without root

@@ -57,6 +58,7 @@ - OpenVPN can run *without root* but this disallows OpenVPN reconnecting, it can be set with `NONROOT=yes` - **ARM** compatible - Port forwarding +- HTTP proxy for LAN devices ## Setup @@ -124,6 +126,8 @@ Note that you can change all the [environment variables](#environment-variables). + If you want to use the **HTTP proxy**, add `-p 8888:8888/tcp` so that it is accessible from LAN devices. + ## Testing Check the PIA IP address matches your expectations @@ -148,6 +152,10 @@ docker run --rm --network=container:pia alpine:3.10 wget -qO- https://ipinfo.io | `UNBLOCK` | | comma separated string (i.e. `web.com,web2.ca`) to unblock hostnames | | `FIREWALL` | `on` | `on` or `off`, to switch the internal killswitch firewall (should be left `on`) | | `EXTRA_SUBNETS` | | comma separated subnets allowed in the container firewall (i.e. `192.168.1.0/24,192.168.10.121,10.0.0.5/28`) | +| `PROXY` | `on` | `on` or `off`, to switch the internal HTTP proxy | +| `PROXY_LOG_LEVEL` | `Critical` | `Info`, `Warning`, `Error` or `Critical` | +| `PROXY_USER` | | Username to use to connect to the HTTP proxy | +| `PROXY_PASSWORD` | | Passsword to use to connect to the HTTP proxy | ## Connect to it @@ -331,9 +339,20 @@ There are various ways to achieve this, depending on your use case. ```

--
Connect to the PIA through an HTTP proxy (i.e. with Firefox)

+-

Connect to the PIA through an HTTP proxy (i.e. with Chrome, Kodi, etc.)

- *This is in progress, using Tiny Proxy, thanks for waiting !* + 1. Setup a HTTP proxy client, such as [SwitchyOmega for Chrome](https://chrome.google.com/webstore/detail/proxy-switchyomega/padekgcemlokbadohgkifijomclgjgif?hl=en) + 1. Make sure the PIA container: + - Has port 8888 published `-p 8888:8888/tcp` + - **Has your LAN** in `EXTRA_SUBNETS` + 1. With your HTTP proxy client, connect to the Docker host (i.e. `192.168.1.10`) on port `8888`. You might need to enter your credentials if you set them with the environment variables `PROXY_USER` and `PROXY_PASSWORD`. + 1. If you set `PROXY_LOG_LEVEL` to `Info`, you can check the log output of tinyproxy with: + + ```sh + docker exec -it pia cat /var/log/tinyproxy/tinyproxy.log + ``` + + `PROXY_LOG_LEVEL` defaults to `Critical` to avoid logging everything, for privacy purposes as well as to save storage.

@@ -365,8 +384,6 @@ Note that not all regions support port forwarding. ## TODOs -- [ ] Tiny proxy for LAN devices to use the container - ## License This repository is under an [MIT license](https://github.com/qdm12/private-internet-access-docker/master/license) diff --git a/docker-compose.yml b/docker-compose.yml index c2c8cfea..55b4a475 100644 --- a/docker-compose.yml +++ b/docker-compose.yml @@ -10,6 +10,8 @@ services: - /dev/net/tun network_mode: bridge init: true + ports: + - 8888:8888/tcp environment: - USER=js89ds7 - PASSWORD=8fd9s239G diff --git a/entrypoint.sh b/entrypoint.sh index 0b6506da..4874156c 100644 --- a/entrypoint.sh +++ b/entrypoint.sh @@ -49,6 +49,7 @@ printf " == by github.com/qdm12 - Quentin McGaw ==\n\n" printf "OpenVPN version: $(openvpn --version | head -n 1 | grep -oE "OpenVPN [0-9\.]* " | cut -d" " -f2)\n" printf "Unbound version: $(unbound -h | grep "Version" | cut -d" " -f2)\n" printf "Iptables version: $(iptables --version | cut -d" " -f2)\n" +printf "TinyProxy version: $(tinyproxy -v | cut -d" " -f2)\n" ############################################ # CHECK PARAMETERS @@ -79,6 +80,15 @@ if [ "$DOT" == "off" ]; then fi fi exitIfNotIn FIREWALL "on,off" +exitIfNotIn PROXY "on,off" +exitIfNotIn PROXY_LOG_LEVEL "Info,Warning,Error,Critical" +if [ ! -z "$PROXY_USER" ] && [ -z "$PROXY_PASSWORD" ]; then + printf "PROXY_USER is set but PROXY_PASSWORD is unset\n" + exit 1 +elif [ -z "$PROXY_USER" ] && [ ! -z "$PROXY_PASSWORD" ]; then + printf "PROXY_USER is unset but PROXY_PASSWORD is set\n" + exit 1 +fi ##################################################### # Writes to protected file and remove USER, PASSWORD @@ -274,6 +284,24 @@ if [ "$FIREWALL" == "on" ]; then printf "DONE\n" fi +############################################ +# TINYPROXY LAUNCH +############################################ +printf "HTTP proxy is $PROXY\n" +if [ "$PROXY" == "on" ]; then + printf "Setting TinyProxy log level to $PROXY_LOG_LEVEL\n" + sed -i "/LogLevel /c\LogLevel $PROXY_LOG_LEVEL" /etc/tinyproxy/tinyproxy.conf + if [ ! -z "$PROXY_USER" ]; then + printf "Setting TinyProxy credentials\n" + echo "BasicAuth $PROXY_USER $PROXY_PASSWORD" >> /etc/tinyproxy/tinyproxy.conf + unset -v PROXY_USER + unset -v PROXY_PASSWORD + fi + printf "Starting HTTP proxy TinyProxy\n" + tinyproxy + exitOnError $? +fi + ############################################ # OPENVPN LAUNCH ############################################ diff --git a/tinyproxy.conf b/tinyproxy.conf new file mode 100644 index 00000000..df420be0 --- /dev/null +++ b/tinyproxy.conf @@ -0,0 +1,17 @@ +User tinyproxy +Group tinyproxy +Port 8888 +Timeout 600 +DefaultErrorFile "/usr/share/tinyproxy/default.html" +MaxClients 100 +MinSpareServers 5 +MaxSpareServers 20 +StartServers 10 +MaxRequestsPerChild 0 +DisableViaHeader Yes +LogFile "/var/log/tinyproxy/tinyproxy.log" +LogLevel Critical +# BasicAuth user password + +# StatFile "/usr/share/tinyproxy/stats.html" +# ViaProxyName "tinyproxy"