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ukd1ukd1
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Migrate to a more standard structure
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-210
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13 files changed

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‎.gitignore

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/.shards/
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/.deps/
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/doc/
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/libs/
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/.crystal/
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/doc/
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/app
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/.shards/
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‎.travis.yml

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language: crystal

‎app.cr

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‎shard.yml

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name: shards
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version: 0.1.0
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license: MIT
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authors:
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- Russell Smith <[email protected]>
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dependencies:
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kemal:

‎spec/plusone_spec.cr

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require "./spec_helper"
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describe Plusone do
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# TODO: Write tests
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it "works" do
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false.should eq(true)
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end
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end

‎spec/spec_helper.cr

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require "spec"
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require "../src/plusone"

‎src/plusone.cr

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require "./plusone/*"
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require "kemal"
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require "openssl/hmac"
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require "redis"
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require "json"
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require "uri"
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require "http/params"
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Kemal.config.port = ENV["PORT"].to_i
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uri = URI.parse(ENV["REDIS_URL"])
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$redis = Redis.new(uri.host.to_s, uri.port.to_s.to_i, nil, uri.password)
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Plusone::Ping.start_pinging_redis
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logger = Kemal::LogHandler.new
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module Plusone
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def self.set_headers(context)
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# Caching headers - see https://github.com/github/markup/issues/224#issuecomment-37663375
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context.response.headers.add "Cache-Control", "no-cache, no-store, private, must-revalidate, max-age=0, max-stale=0, post-check=0, pre-check=0"
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context.response.headers.add "Pragma", "no-cache"
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context.response.headers.add "Expires", "0"
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context.response.content_type = "image/svg+xml"
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end
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def self.get_svg(text)
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color = "green"
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w = 100
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s_x = w * 0.7
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"<svg xmlns='http://www.w3.org/2000/svg' width='#{w}' height='20'><linearGradient id='a' x2='0' y2='100%'><stop offset='0' stop-color='#bbb' stop-opacity='.1'/><stop offset='1' stop-opacity='.1'/></linearGradient><rect rx='3' width='#{w}' height='20' fill='#555'/><rect rx='3' x='37' width='#{w - 37}' height='20' fill='#{color}'/><path fill='#{color}' d='M37 0h4v20h-4z'/><rect rx='3' width='#{w}' height='20' fill='url(#a)'/><g fill='#fff' text-anchor='middle' font-family='Geneva,sans-serif' font-size='11'><text x='19.5' y='15' fill='#010101' fill-opacity='.3'>build</text><text x='19.5' y='14'>+1s:</text><text x='#{s_x}' y='15' fill='#010101' fill-opacity='.3'>#{text}</text><text x='#{s_x}' y='14'>#{text}</text></g></svg>"
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end
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get "/" do |context|
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if Plusone::Auth.authed?(context, ENV["HTTP_USERNAME"], ENV["HTTP_PASSWORD"])
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repo = context.params.fetch("repo", "") as String
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issue = context.params.fetch("issue", "") as String
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instructions = ""
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if repo != "" && issue != ""
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counter = Plusone::Counter.new(repo, issue)
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badge = "https://#{ENV["HEROKU_APP_NAME"]}.herokuapp.com/count.svg?repo=#{repo}&issue=#{issue}&sig=#{counter.badge_signature}"
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webhook = "https://#{ENV["HEROKU_APP_NAME"]}.herokuapp.com/injest?repo=#{repo}&sig=#{counter.injest_signature}"
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# build the actual badge
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badge = "[![Issue " + issue + "](" + badge + ")](https://github.com/" + repo + "/issues/" + issue + ")"
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instructions = <<-HTML
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<h2>1. Setup Webhook</h2>
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<p>Set this once per repo. Go to <a href="https://github.com/#{repo}/settings/hooks">your github settings</a>:</p>
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<ol>
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<li>Set the <em>Payload URL</em> to:<br /><code>#{webhook}</code></li>
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<li>Then select "Let me select individual events."</li>
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<li>Then check "Issues" &amp; "Issue comment"</li>
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</ol>
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<h2>2. Get Badge</h2>
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<p>Paste the following code in to your issue:</p>
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<code>#{badge}</code>
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HTML
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end
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template = <<-HTML
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<title>+1</title>
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<style type="text/css">
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body { font-family:helvetica,arial;color:#888;margin:2em}
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ol li { margin-bottom: 1em; }
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code { margin: 0.5em; padding: 0.5em; background-color: #eee; display: inline-block; }
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</style>
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</head>
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<body>
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<h1>Hello.</h1>
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<p>Enter your repo name and issue number to get started.</p>
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<form method="get">
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<input type="text" name="repo" value="#{repo}" placeholder="ukd1/plusone" />
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<input type="number" name="issue" value="#{issue}" placeholder="1" />
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<input type="submit" value="Get URLs" />
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</form>
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#{instructions}
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</body>
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</html>
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HTML
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template
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end
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end
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post "/injest" do |context|
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if context.params.fetch("repo", false) && context.params.fetch("sig", false)
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sig = context.params.fetch("sig").to_s
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counter = Plusone::Counter.new(context.params.fetch("repo").to_s)
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json = JSON.parse(context.request.body.to_s)
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if counter.injest_signature == sig
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if json["action"].to_s == "created" && json["comment"]["body"].to_s.includes?("+1")
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counter.incr(json["comment"]["user"]["id"])
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elsif json["action"].to_s == "created"
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logger.write("Comment doesn't have +1: #{json["comment"]["body"]}")
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else
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logger.write("Ignoring useless events: #{json.inspect}")
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end
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else
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logger.write("Invalid signature, please copy the URL again.")
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end
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else
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logger.write("Error missing parameters, please copy the URL again.")
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end
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end
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get "/test.svg" do |context|
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set_headers(context)
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count = context.params.fetch("count") as String
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get_svg(count)
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end
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get "/count.svg" do |context|
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set_headers(context)
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if context.params.fetch("repo", false) && context.params.fetch("issue", false) && context.params.fetch("sig", false)
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counter = Plusone::Counter.new(context.params.fetch("repo").to_s, context.params.fetch("issue").to_s)
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if counter.badge_signature == context.params.fetch("sig", "")
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get_svg(counter.count)
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else
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get_svg("Bad sig")
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end
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else
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get_svg("Bad url")
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end
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end
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end

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