💂‍♂️ Guard

Paywall as a Service — your personal guard to restrict access to content via a paid subscription.

Roadmap

• v1: MVP
  • October 20, 2018
  • Main concepts and working prototype.
• v2: Rate limiting
  • Someday, 20xx
  • Request rate limiting and metrics related to license checking.

Motivation

• We have to limit access to some part of our content and APIs.

Quick start

Requirements:

• Docker 18.06.0-ce or above
• Docker Compose 1.22.0 or above
• Go 1.11 or above
• GNU Make 3.81 or above

$ make demo up clean status

     Name                    Command               State                        Ports
-----------------------------------------------------------------------------------------------------------
guard_db_1        docker-entrypoint.sh postgres    Up      5432/tcp
guard_legacy_1    docker-php-entrypoint php-fpm    Up      9000/tcp
guard_server_1    nginx -g daemon off;             Up      0.0.0.0:443->443/tcp, 0.0.0.0:80->80/tcp
guard_service_1   service run --with-profili ...   Up      8080/tcp, 8090/tcp, 8091/tcp, 8092/tcp, 8093/tcp
guard_spec_1      sh /usr/share/nginx/docker ...   Up      80/tcp, 8080/tcp

$ make install

$ ./env/client/rpc/install.sh localhost:443

$ open http://spec.127.0.0.1.xip.io/

$ make help

$ make demo destroy

Specification

API

You can find API specification here.

CLI

You can use guard to start the HTTP server and guardctl to execute CRUD operations.

Service command-line interface

$ make service-install

$ guard --help
  Guard Service
  
  Usage:
    guard [command]
  
  Available Commands:
    completion  Print Bash or Zsh completion
    help        Help about any command
    run         Start HTTP server
    version     Show application version
  
  Flags:
    -h, --help   help for guard
  
  Use "guard [command] --help" for more information about a command.

Client command-line interface

$ make control-install

$ guardctl --help
  Guard Control
  
  Usage:
    guardctl [command]
  
  Available Commands:
    completion  Print Bash or Zsh completion
    help        Help about any command
    license     Guard License
    version     Show application version
  
  Flags:
    -h, --help   help for guardctl
  
  Use "guardctl [command] --help" for more information about a command.

$ guardctl install -f env/client/rpc/install.yaml

$ export GUARD_TOKEN=10000000-2000-4000-8000-160000000003

$ guardctl license register -f env/client/rpc/license.register.yml
id: 10000000-2000-4000-8000-160000000004

$ echo '{id: 10000000-2000-4000-8000-160000000004}' | guardctl license read
contract:
  rate:
    unit: rph
    value: 10
  requests: 1000
  since: "2018-09-29T17:11:43.264Z"
  workplaces: 10
created_at: "2018-10-04T09:32:19.102216Z"
id: 10000000-2000-4000-8000-160000000004

$ cat env/client/rpc/license.update.yml | guardctl license update
id: 10000000-2000-4000-8000-160000000004
updated_at: "2018-10-04T09:33:32.487454Z"

$ guardctl license create -f env/client/rpc/license.create.yml | guardctl license delete | guardctl license read
contract:
  rate:
    unit: rph
    value: 10
  requests: 1000
  since: "2018-09-29T17:11:43.264Z"
  workplaces: 10
created_at: "2018-10-04T09:57:16.656346Z"
deleted_at: "2018-10-04T09:57:16.666664Z"
id: 9ba7b564-3248-4401-b853-9dc32559b95b
updated_at: "2018-10-04T09:57:16.666664Z"

$ guardctl license delete -f env/client/rpc/license.delete.yml
deleted_at: "2018-10-04T09:58:27.365193Z"
id: 10000000-2000-4000-8000-160000000004

$ echo '{id: 10000000-2000-4000-8000-160000000004}' | guardctl license restore | guardctl license read
contract:
  rate:
    unit: rpd
    value: 10
  requests: 1000
  since: "2018-09-29T17:11:43.264Z"
  until: "2018-09-29T17:11:43.264Z"
  workplaces: 10
created_at: "2018-10-04T09:54:57.643041Z"
id: 10000000-2000-4000-8000-160000000004
updated_at: "2018-10-04T09:59:18.833134Z"

Bash and Zsh completions

You can find completion files here or build your own using these commands

Service:

$ guard completion -f bash > /path/to/bash_completion.d/guard.sh
$ guard completion -f zsh  > /path/to/zsh-completions/_guard.zsh

Client:

$ guardctl completion -f bash > /path/to/bash_completion.d/guardctl.sh
$ guardctl completion -f zsh  > /path/to/zsh-completions/_guardctl.zsh

Installation

Brew

$ brew install kamilsk/tap/guard

Binary

$ export REQ_VER=1.0.0  # all available versions are on https://github.com/kamilsk/guard/releases/
$ export REQ_OS=Linux   # macOS and Windows are also available
$ export REQ_ARCH=64bit # 32bit is also available
# wget -q -O guard.tar.gz
$ curl -sL -o guard.tar.gz \
       https://github.com/kamilsk/guard/releases/download/"${REQ_VER}/guard_${REQ_VER}_${REQ_OS}-${REQ_ARCH}".tar.gz
$ tar xf guard.tar.gz -C "${GOPATH}"/bin/ && rm guard.tar.gz

Docker Hub

$ docker pull kamilsk/guard:1.x
# or use mirror
$ docker pull quay.io/kamilsk/guard:1.x

From source code

$ egg github.com/kamilsk/guard@^1.0.0 -- make test install
# or use mirror
$ egg bitbucket.org/kamilsk/guard@^1.0.0 -- make test install

egg¹ is an extended go get.

¹ The project is still in prototyping.↩

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