Module: FastlyCTL::Fetcher

Defined in:
lib/fastlyctl/fetcher.rb

Class Method Summary collapse

Class Method Details

.api_request(method, path, options = {}) ⇒ Object 



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# File 'lib/fastlyctl/fetcher.rb', line 3

def self.api_request(method, path, options={})
  options[:endpoint] ||= :api
  options[:params] ||= {}
  options[:headers] ||= {}
  options[:body] ||= nil
  options[:force_session] ||= false
  options[:expected_responses] ||= [200]
  options[:use_vnd] ||= false

  headers = {"Accept" => "application/json", "Connection" => "close", "User-Agent" => "FastlyCTL: https://github.com/fastly/fastlyctl"}

  if options[:endpoint] == :app
    headers["Referer"] = FastlyCTL::FASTLY_APP
    headers["X-CSRF-Token"] = FastlyCTL::Cookies["fastly.csrf"] if FastlyCTL::Cookies["fastly.csrf"]
    headers["Fastly-API-Request"] = "true"
  end

  if FastlyCTL::Token && !options[:force_session]
    headers["Fastly-Key"] = FastlyCTL::Token
  else
    headers["Cookie"] = "" if FastlyCTL::Cookies.length > 0
    FastlyCTL::Cookies.each do |k,v|
      headers["Cookie"] << "#{k}=#{v};"
    end
  end

  headers["Content-Type"] = "application/x-www-form-urlencoded" if (method == :post || method == :put)

  if options[:use_vnd]
    headers["Accept"] = "application/vnd.api+json"

    if (method == :post || method == :put)
      headers["Content-Type"] = "application/vnd.api+json"
    end
    options[:expected_responses].push(*[201,202,203,204])
  end

  headers.merge!(options[:headers]) if options[:headers].count > 0

  # dont allow header splitting on anything
  headers.each do |k,v|
    headers[k] = v.gsub(/\r|\n/,'')
  end

  url = "#{options[:endpoint] == :api ? FastlyCTL::FASTLY_API : FastlyCTL::FASTLY_APP}#{path}"

  response = Typhoeus::Request.new(
    url,
    method: method,
    params: options[:params],
    headers: headers,
    body: options[:body]
  ).run

  if options[:expected_responses].include?(response.response_code)
    if response.headers["Set-Cookie"]
      response.headers["Set-Cookie"] = [response.headers["Set-Cookie"]] if response.headers["Set-Cookie"].is_a? String
      response.headers["Set-Cookie"].each do |c|
        name, value = c.match(/^([^=]*)=([^;]*).*/i).captures
        FastlyCTL::Cookies[name] = value
      end
    end
  else
    case response.response_code
    when 400
      error = "400: Bad API request--something was wrong with the request made by FastlyCTL."
    when 403
      error = "403: Access Denied by API. Run login command to authenticate."
    when 404
      error = "404: Service does not exist or bad path requested."
    when 503
      error = "503: Error from Fastly API--see details below."
    when 0
      error = "0: Network connection error occurred."
    else
      error = "API responded with status #{response.response_code}."
    end

    error += " Method: #{method.to_s.upcase}, Path: #{path}\n"

    if (options[:use_vnd]) 
      begin
        error_resp = JSON.parse(response.response_body)
      rescue JSON::ParserError
        error_resp = {"errors" => [{"title" => "Error parsing response JSON","details" => "No further information available. Please file a github issue at https://github.com/fastly/fastlyctl"}]}
      end

      error_resp["errors"].each do |e|
        next unless e.key?("title") && e.key?("detail")
        error += e["title"] + " --- " + e["detail"] + "\n"
      end
    else
      error += "Message from API: #{response.response_body}"
    end

    abort error
  end

  return response.response_body unless (response.headers["Content-Type"] =~ /json$/)

  if response.response_body.length > 1
    begin
      return JSON.parse(response.response_body)
    rescue JSON::ParserError
      abort "Failed to parse JSON response from Fastly API"
    end
  else
    return {}
  end
end

.create_token(options) ⇒ Object 



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# File 'lib/fastlyctl/fetcher.rb', line 239

def self.create_token(options)
  thor = Thor::Shell::Basic.new

  headers = {}
  headers["Fastly-OTP"] = options[:code] if options[:code]

  FastlyCTL::Fetcher.api_request(:post, "/sudo", {
    force_session: true,
    endpoint: :api,
    params: {
      user: options[:user],
      password: options[:pass]
    },
    headers: headers
  })

  params = {
      name: options[:name],
      scope: options[:scope],
      user: options[:user],
      password: options[:pass]
  }

  params[:services] = options[:services] if options[:services]

  resp = FastlyCTL::Fetcher.api_request(:post, "/tokens", {
    force_session: true,
    endpoint: :api,
    params: params,
    headers: headers
  })

  thor.say("\n#{resp["id"]} created.")

  return resp
end

.domain_to_service_id(domain) ⇒ Object 



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# File 'lib/fastlyctl/fetcher.rb', line 114

def self.domain_to_service_id(domain)
  response = Typhoeus::Request.new(FastlyCTL::FASTLY_APP, method:"FASTLYSERVICEMATCH", headers: { :host => domain}).run

  abort "Failed to fetch Fastly service ID or service ID does not exist" if response.response_code != 204

  abort "Fastly response did not contain service ID" unless response.headers["Fastly-Service-Id"]

  return response.headers["Fastly-Service-Id"]
end

.get_active_version(id) ⇒ Object 



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# File 'lib/fastlyctl/fetcher.rb', line 124

def self.get_active_version(id)
  service = self.api_request(:get, "/service/#{id}")

  max = 1

  service["versions"].each do |v|
    if v["active"] == true
      return v["number"]
    end

    max = v["number"] if v["number"] > max
  end

  return max
end

.get_snippets(id, version) ⇒ Object 



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# File 'lib/fastlyctl/fetcher.rb', line 179

def self.get_snippets(id,version)
  snippet = self.api_request(:get, "/service/#{id}/version/#{version}/snippet")

  if snippet.length == 0
    return false
  else
    return snippet
  end
end

.get_vcl(id, version, generated = false) ⇒ Object 



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# File 'lib/fastlyctl/fetcher.rb', line 165

def self.get_vcl(id, version, generated=false)
  if generated
    vcl = self.api_request(:get, "/service/#{id}/version/#{version}/generated_vcl")
  else
    vcl = self.api_request(:get, "/service/#{id}/version/#{version}/vcl?include_content=1")
  end

  if vcl.length == 0
    return false
  else
    return vcl
  end
end

.get_writable_version(id) ⇒ Object 



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# File 'lib/fastlyctl/fetcher.rb', line 140

def self.get_writable_version(id)
  service = self.api_request(:get, "/service/#{id}")

  active = false
  version = false
  max = 1
  service["versions"].each do |v|
    if v["active"] == true
      active = v["number"].to_i
    end

    if active && v["number"].to_i > active && v["locked"] == false
      version = v["number"]
    end

    max = version if version && version > max
  end

  return max unless active

  version = self.api_request(:put, "/service/#{id}/version/#{active}/clone")["number"] unless version

  return version
end

.login ⇒ Object 



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# File 'lib/fastlyctl/fetcher.rb', line 215

def self.
  thor = Thor::Shell::Basic.new

  user = thor.ask("Username: ")
  pass = thor.ask("Password: ", :echo => false)

  resp = FastlyCTL::Fetcher.api_request(:post, "/login", { :endpoint => :app, params: { user: user, password: pass}})

  if resp["needs_two_factor_auth"]
    two_factor = true

    thor.say("\nTwo factor auth enabled on account, second factor needed.")
    code = thor.ask('Please enter verification code:', echo: false)

    resp = FastlyCTL::Fetcher.api_request(:post, "/two_factor_auth/verify", {force_session: true, :endpoint => :app, params: { token: code }} )
  else
    thor.say("\nTwo factor auth is NOT enabled. You should go do that immediately.")
  end

  thor.say("Login successful!")

  return { user: user, pass: pass, two_factor: two_factor, code: code }
end

.upload_snippet(service, version, content, name) ⇒ Object 



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# File 'lib/fastlyctl/fetcher.rb', line 189

def self.upload_snippet(service,version,content,name)
  return FastlyCTL::Fetcher.api_request(:put, "/service/#{service}/version/#{version}/snippet/#{FastlyCTL::Utils.percent_encode(name)}", {:endpoint => :api, body: {
      content: content
    }
  })
end

.upload_vcl(service, version, content, name, is_main = true, is_new = false) ⇒ Object 



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# File 'lib/fastlyctl/fetcher.rb', line 196

def self.upload_vcl(service,version,content,name,is_main=true,is_new=false)
  params = { name: name, main: "#{is_main ? "1" : "0"}", content: content }

  # try to create, if that fails, update
  if is_new
    response = FastlyCTL::Fetcher.api_request(:post, "/service/#{service}/version/#{version}/vcl", {:endpoint => :api, body: params, expected_responses:[200,409]})
    if response["msg"] != "Duplicate record"
      return
    end
  end

  response = FastlyCTL::Fetcher.api_request(:put, "/service/#{service}/version/#{version}/vcl/#{FastlyCTL::Utils.percent_encode(name)}", {:endpoint => :api, body: params, expected_responses: [200,404]})

  # The VCL got deleted so recreate it.
  if response["msg"] == "Record not found"
    FastlyCTL::Fetcher.api_request(:post, "/service/#{service}/version/#{version}/vcl", {:endpoint => :api, body: params})
  end
end