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Prep for v1.0.0-beta.1
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seedifferently committed Feb 24, 2017
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37 changes: 37 additions & 0 deletions .gitignore
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# Compiled Object files, Static and Dynamic libs (Shared Objects)
*.o
*.a
*.so

# Folders
_obj
_test

# Architecture specific extensions/prefixes
*.[568vq]
[568vq].out

*.cgo1.go
*.cgo2.c
_cgo_defun.c
_cgo_gotypes.go
_cgo_export.*

_testmain.go

*.exe
*.test
*.prof

# Output of the go coverage tool, specifically when used with LiteIDE
*.out

# external packages folder
vendor/

*.db
*.log
dist/
dogo.json
nogo
TODO.txt
19 changes: 19 additions & 0 deletions .travis.yml
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language: go

go:
- 1.8
- tip

matrix:
allow_failures:
- go: tip
fast_finish: true

install:
- go get github.com/miekg/dns
- go get github.com/boltdb/bolt
- go get github.com/pressly/chi

script:
- go vet
- go test -race
5 changes: 5 additions & 0 deletions CHANGES.md
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# Change log

## [1.0.0-beta.1] - 2017-02-26

- Initial public release.
21 changes: 21 additions & 0 deletions LICENSE.txt
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Copyright (c) 2017 Seth Davis https://curia.solutions/

MIT License

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
41 changes: 41 additions & 0 deletions Makefile
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VERSION := 1.0.0-beta.1
BINARY := nogo
SHELL := /bin/bash
LDFLAGS := "-X main.version=$(VERSION) -X main.build=`git rev-parse --verify --short HEAD`"
GOX_OSARCH := "darwin/amd64 freebsd/386 freebsd/amd64 freebsd/arm linux/386 linux/amd64 linux/arm64 netbsd/386 netbsd/amd64 netbsd/arm openbsd/386 openbsd/amd64 windows/386 windows/amd64"
GOX_OUTPUT := "build/$(BINARY)_v$(VERSION)_{{.OS}}_{{.Arch}}/$(BINARY)"

.DEFAULT_GOAL := $(BINARY)
$(BINARY):
go build -ldflags $(LDFLAGS) -o $(BINARY)

build: # https://github.com/mitchellh/gox
CGO_ENABLED=0 gox -ldflags $(LDFLAGS) -osarch $(GOX_OSARCH) -output $(GOX_OUTPUT)
# gox doesn't support fine-tuning arm (GOARM defaults to 6), so build linux/arm individually
CGO_ENABLED=0 GOOS=linux GOARCH=arm GOARM=5 go build -ldflags $(LDFLAGS) -o build/$(BINARY)_v$(VERSION)_linux_armv5/$(BINARY)
CGO_ENABLED=0 GOOS=linux GOARCH=arm GOARM=6 go build -ldflags $(LDFLAGS) -o build/$(BINARY)_v$(VERSION)_linux_armv6/$(BINARY)
CGO_ENABLED=0 GOOS=linux GOARCH=arm GOARM=7 go build -ldflags $(LDFLAGS) -o build/$(BINARY)_v$(VERSION)_linux_armv7/$(BINARY)

dist: build
@mkdir dist
$(eval BUILDS := $(shell find build/ -type f -printf '%P\n'))
@for f in $(BUILDS); do \
echo "Archiving $${f%/*}..."; \
if [[ $$f =~ darwin|windows ]]; then \
zip -j dist/$${f%/*}.zip build/$$f README.md; \
else \
tar -cvzf dist/$${f%/*}.tar.gz README.md -C build/$${f%/*} $${f#*/}; \
fi; \
done

.PHONY: deps
deps:
go get github.com/miekg/dns
go get github.com/boltdb/bolt
go get github.com/pressly/chi

.PHONY: clean
clean:
rm -rf build/
rm -rf dist/
go clean
121 changes: 121 additions & 0 deletions README.md
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nogo
====

[![Linux Build Status](https://img.shields.io/travis/seedifferently/nogo.svg?style=flat-square&label=linux+build)](https://travis-ci.org/seedifferently/nogo) [![Windows Build Status](https://img.shields.io/appveyor/ci/seedifferently/nogo.svg?style=flat-square&label=windows+build)](https://ci.appveyor.com/project/seedifferently/nogo)


What?
-----

`nogo` blocks access to various sites (ads, tracking, porn, gambling, etc) by
acting as a DNS proxy server with host blacklist support.


Why?
----

I wanted an open source ad blocker solution that was more universal than a
browser plugin, and:

* Was easy to utilize with unrooted mobile devices (so that [battery life could
be conserved][1]).
* Had a basic web control panel and API for adding, removing, and "pausing"
hosts.
* Provided straightforward cross-platform support and acceptable performance (so
that I could run it from my Raspberry Pi).
* Could be used as a master host "blacklist" service for network-wide ad
blocking (e.g. by configuring the DNS on my router to point to `nogo`).

[1]: https://lifehacker.com/ad-blockers-on-mobile-can-reduce-battery-drain-by-up-to-1764344384


How?
----

You may simply [download a binary release](https://github.com/seedifferently/nogo/releases)
for your platform, or you can follow the steps below to build from source:

1. Install [Go](https://golang.org/doc/install) (v1.8 or later is required).

2. Clone the repo, then `cd` into it.

3. Install the dependencies by running `make deps`. Or if you don't have `make`:
* `go get github.com/miekg/dns`
* `go get github.com/boltdb/bolt`
* `go get github.com/pressly/chi`

4. Build the app by running `make`. Or if you don't have `make`: `go build`

5. Run the app: `sudo ./nogo`

**Note:**

* Since `nogo` binds to port `:53` by default, it must be given access to
"privileged" ports (e.g. via `setuid` or `sudo`).
* Run with the `-help` switch for information on additional runtime options
(such as disabling or password protecting the web control panel).


### Important post-install steps:

#### 1. You must add hosts to the blacklist.

`nogo` doesn't ship with a built-in blacklist, so it won't block any hosts until
you add them.

There are currently two methods for adding hosts to the blacklist:

1. Navigate to the web control panel (default: [http://localhost:8080/][1]) and
add a host using the form.

2. Download a popular hosts list file (e.g. pick one from the list at
[https://github.com/StevenBlack/hosts][2]), and execute `nogo` with the
`-import` switch on its first run.


#### 2. You must reconfigure your DNS.

Your computer/mobile device/etc is probably set up by default to utilize a DNS
server which allows connections to any host. Unless you update your DNS
configuration to point to `nogo` (and *only* to `nogo`), nothing will change.

For those of you who may be unfamiliar with how to update your DNS
configuration, check out Google's guide for their DNS service here:
[https://developers.google.com/speed/public-dns/docs/using][3]

You can follow their instructions, but don't forget to substitute their DNS
service IP addresses with the sole IP address of the machine running `nogo`.

[1]: http://localhost:8080/
[2]: https://github.com/StevenBlack/hosts
[3]: https://developers.google.com/speed/public-dns/docs/using


### Known Issues and Limitations

* The DNS proxy server utilizes a fairly basic configuration, so advanced
features such as EDNS and DNSSEC are not currently supported.
* Due to the fact that the web control panel utilizes a few modern techniques
(such as [flexbox][1] and the [Fetch API][2]), you may experience some issues
with its interface on non-current browsers.

[1]: https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Flexible_Box_Layout/Using_CSS_flexible_boxes
[2]: https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API


Who?
----

My name is Seth and I've been talking to machines in various languages since the
early 90s. If you find this useful and want to say thanks, feel free to
[tweet me][1], [buy me a beer][2], [share some Satoshi][3], or pass
[my resume][4] on to someone you know who is tackling interesting problems with
software.

[1]: https://twitter.com/seedifferently
[2]: https://paypal.me/seedifferently
[3]: https://coinbase.com/seedifferently
[4]: https://resume.sethdavis.name


Copyright (c) 2017 Seth Davis
27 changes: 27 additions & 0 deletions appveyor.yml
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version: "{build}"

os: Windows Server 2012 R2

clone_folder: c:\gopath\src\github.com\seedifferently\nogo

environment:
GOPATH: c:\gopath

install:
- rmdir c:\go /s /q
- appveyor DownloadFile https://storage.googleapis.com/golang/go1.8.windows-amd64.zip
- 7z x go1.8.windows-amd64.zip -y -oC:\ > NUL
- go version
- go env
- go get github.com/miekg/dns
- go get github.com/boltdb/bolt
- go get github.com/pressly/chi
- set PATH=%GOPATH%\bin;%PATH%

build: off

test_script:
- go vet
- go test -race

deploy: off
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