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| 1 | +# frozen_string_literal: true |
| 2 | + |
| 3 | +require_relative '../../auth' |
| 4 | +require_relative '../../auto_source' |
| 5 | +require_relative '../../feeds' |
| 6 | +require_relative '../../xml_builder' |
| 7 | +require_relative '../../exceptions' |
| 8 | +require_relative '../../../helpers/api_response_helpers' |
| 9 | + |
| 10 | +module Html2rss |
| 11 | + module Web |
| 12 | + module Api |
| 13 | + module V1 |
| 14 | + ## |
| 15 | + # RESTful API v1 for feeds resource |
| 16 | + # Handles CRUD operations for RSS feeds |
| 17 | + module Feeds |
| 18 | + module_function |
| 19 | + |
| 20 | + ## |
| 21 | + # List all available feeds |
| 22 | + # GET /api/v1/feeds |
| 23 | + # @param request [Roda::Request] request object |
| 24 | + # @return [Hash] JSON response with feeds list |
| 25 | + def index(request) |
| 26 | + feeds = Html2rss::Web::Feeds.list_feeds.map do |feed| |
| 27 | + { |
| 28 | + id: feed[:name], |
| 29 | + name: feed[:name], |
| 30 | + description: feed[:description], |
| 31 | + url: "/api/v1/feeds/#{feed[:name]}", |
| 32 | + created_at: nil, # Static feeds don't have creation time |
| 33 | + updated_at: nil |
| 34 | + } |
| 35 | + end |
| 36 | + |
| 37 | + ApiResponseHelpers.success_response( |
| 38 | + { feeds: feeds }, |
| 39 | + { total: feeds.count } |
| 40 | + ) |
| 41 | + end |
| 42 | + |
| 43 | + ## |
| 44 | + # Get a specific feed |
| 45 | + # GET /api/v1/feeds/{id} |
| 46 | + # @param request [Roda::Request] request object |
| 47 | + # @param feed_id [String] feed identifier |
| 48 | + # @return [Hash] JSON response with feed data or XML feed content |
| 49 | + def show(request, feed_id) |
| 50 | + # Check if client wants JSON metadata or XML feed content |
| 51 | + if json_request?(request) |
| 52 | + show_feed_metadata(feed_id) |
| 53 | + else |
| 54 | + generate_feed_content(request, feed_id) |
| 55 | + end |
| 56 | + end |
| 57 | + |
| 58 | + ## |
| 59 | + # Create a new feed from URL |
| 60 | + # POST /api/v1/feeds |
| 61 | + # @param request [Roda::Request] request object |
| 62 | + # @return [Hash] JSON response with created feed data |
| 63 | + def create(request) |
| 64 | + account = Auth.authenticate(request) |
| 65 | + raise UnauthorizedError, 'Authentication required' unless account |
| 66 | + |
| 67 | + url = request.params['url'] |
| 68 | + name = request.params['name'] || extract_site_title(url) |
| 69 | + strategy = request.params['strategy'] || 'ssrf_filter' |
| 70 | + |
| 71 | + raise BadRequestError, 'URL parameter is required' unless url |
| 72 | + raise BadRequestError, 'Invalid URL format' unless Auth.valid_url?(url) |
| 73 | + raise ForbiddenError, 'URL not allowed for this account' unless Auth.url_allowed?(account, url) |
| 74 | + |
| 75 | + feed_data = AutoSource.create_stable_feed(name, url, account, strategy) |
| 76 | + raise InternalServerError, 'Failed to create feed' unless feed_data |
| 77 | + |
| 78 | + ApiResponseHelpers.success_response({ |
| 79 | + feed: { |
| 80 | + id: feed_data[:id], |
| 81 | + name: feed_data[:name], |
| 82 | + url: feed_data[:url], |
| 83 | + strategy: feed_data[:strategy], |
| 84 | + public_url: feed_data[:public_url], |
| 85 | + created_at: Time.now.iso8601, |
| 86 | + updated_at: Time.now.iso8601 |
| 87 | + } |
| 88 | + }, { created: true }) |
| 89 | + end |
| 90 | + |
| 91 | + def json_request?(request) |
| 92 | + accept_header = request.env['HTTP_ACCEPT'] || '' |
| 93 | + accept_header.include?('application/json') && !accept_header.include?('application/xml') |
| 94 | + end |
| 95 | + |
| 96 | + def show_feed_metadata(feed_id) |
| 97 | + config = LocalConfig.find(feed_id) |
| 98 | + raise NotFoundError, 'Feed not found' unless config |
| 99 | + |
| 100 | + ApiResponseHelpers.success_response({ |
| 101 | + feed: { |
| 102 | + id: feed_id, |
| 103 | + name: feed_id, |
| 104 | + description: "RSS feed for #{feed_id}", |
| 105 | + url: "/api/v1/feeds/#{feed_id}", |
| 106 | + strategy: config[:strategy] || 'ssrf_filter', |
| 107 | + created_at: nil, |
| 108 | + updated_at: nil |
| 109 | + } |
| 110 | + }) |
| 111 | + end |
| 112 | + |
| 113 | + def generate_feed_content(request, feed_id) |
| 114 | + rss_content = Html2rss::Web::Feeds.generate_feed(feed_id, request.params) |
| 115 | + config = LocalConfig.find(feed_id) |
| 116 | + ttl = config&.dig(:channel, :ttl) || 3600 |
| 117 | + |
| 118 | + # Set appropriate headers for XML response |
| 119 | + request.response['Content-Type'] = 'application/xml' |
| 120 | + request.response['Cache-Control'] = "public, max-age=#{ttl}" |
| 121 | + |
| 122 | + # Convert RSS object to string |
| 123 | + rss_content.to_s |
| 124 | + end |
| 125 | + |
| 126 | + def extract_site_title(url) |
| 127 | + AutoSource.extract_site_title(url) |
| 128 | + end |
| 129 | + |
| 130 | + private |
| 131 | + end |
| 132 | + end |
| 133 | + end |
| 134 | + end |
| 135 | +end |
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