100 lines
4.3 KiB
Ruby
100 lines
4.3 KiB
Ruby
# frozen_string_literal: true
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module YiffRocks
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class HomeController < ApplicationController
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include ::ApplicationController::ReadonlyMethods
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before_action :handle_ratelimit, only: %i[create update destroy]
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before_action :validate_api_key_required, only: %i[create update destroy]
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before_action :validate_shortener_access, only: %i[create update destroy]
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before_action :load_shorturl, only: %i[update destroy]
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before_action :ensure_edit_access, only: %i[update destroy]
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before_action -> { track_usage("shortener") }, except: %i[index]
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wrap_parameters format: :json, name: "short_url"
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def index
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end
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def show
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code = params[:code]
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preview = code.ends_with?("+")
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code = code[..-2] if preview
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if params[:format] == "json"
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return if handle_ratelimit && performed?
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return if validate_api_key_required && performed?
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return if validate_shortener_access && performed?
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@short = ShortUrl.find_by(code: code)
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return render_error(YiffyAPIErrorCodes::SHORTENER_NOT_FOUND, error: "A short url with that code was not found.") if @short.nil?
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return render(json: {
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success: true,
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data: @short,
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})
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end
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@short = ShortUrl.find_by(code: code)
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return render(plain: "Unknown short url code.", status: 404) if @short.nil?
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return render("preview") if preview
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redirect_to(@short.url, allow_other_host: true)
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end
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def create
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@short_url = ShortUrl.create(creator_ua: request.headers["User-Agent"], **short_url_params(:create))
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handle_errors
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return if performed?
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render(json: @short_url)
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end
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def update
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@short_url.update(short_url_params(:update))
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handle_errors
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return if performed?
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return render_error(YiffyAPIErrorCodes::SHORTENER_NO_CHANGES, message: "No changes were detected.") unless @short_url.saved_change_to_url? || @short_url.saved_change_to_creator_name?
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render(json: @short_url)
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end
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def destroy
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@short_url.destroy
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end
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private
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def short_url_params(context = nil)
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permitted_params = %i[url credit creator_name]
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permitted_params += %i[code] if context == :create
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params.require(:short_url).permit(permitted_params)
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end
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def handle_errors
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if @short_url.errors.any?
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@short_url.errors.full_messages.each do |error|
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return render_error(YiffyAPIErrorCodes::SHORTENER_CODE_TOO_LONG, message: error, errors: @short_url.errors.full_messages) if error.to_s =~ /Code is too long/
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return render_error(YiffyAPIErrorCodes::SHORTENER_INVALID_CODE, message: error, errors: @short_url.errors.full_messages) if error.to_s =~ /Code is invalid/
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return render_error(YiffyAPIErrorCodes::SHORTENER_INVALID_URL, message: error, errors: @short_url.errors.full_messages) if error.to_s =~ /Url is invalid/
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return render_error(YiffyAPIErrorCodes::SHORTENER_URL_TOO_LONG, message: error, errors: @short_url.errors.full_messages) if error.to_s =~ /Url is too long/
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return render_error(YiffyAPIErrorCodes::SHORTENER_CREDIT_TOO_LONG, message: error, errors: @short_url.errors.full_messages) if error.to_s =~ /Creator name is too long/
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return render_error(YiffyAPIErrorCodes::SHORTENER_CODE_IN_USE, message: error, errors: @short_url.errors.full_messages) if error.to_s =~ /Code has already been taken/
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@short_url.save! # Make further failed validations raise
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end
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end
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end
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def load_shorturl
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@short_url = ShortUrl.find_by(code: params[:code])
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render_error(YiffyAPIErrorCodes::SHORTENER_NOT_FOUND, message: "A short url with that code was not found.") if @short_url.nil?
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end
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def ensure_edit_access
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management_code = params.fetch(:short_url, {}).permit(:managementCode)[:managementCode]
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params[:short_url].delete(:managementCode) if management_code.present?
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if CurrentUser.user.id != @short_url.creator_id
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return render_error(YiffyAPIErrorCodes::SHORTENER_NO_MANAGEMENT_CODE, message: "That short url cannot be edited by you.") if @short_url.management_code.blank? || management_code.blank?
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render_error(YiffyAPIErrorCodes::SHORTENER_MANAGEMENT_CODE_MISMATCH, message: "That management code does not match this short url.") if management_code != @short_url.management_code
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end
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end
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end
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end
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