134 lines
2.8 KiB
Go
134 lines
2.8 KiB
Go
// SPDX-FileCopyrightText: Copyright The Miniflux Authors. All rights reserved.
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// SPDX-License-Identifier: Apache-2.0
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package rdf // import "miniflux.app/v2/internal/reader/rdf"
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import (
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"encoding/xml"
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"html"
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"log/slog"
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"strings"
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"time"
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"miniflux.app/v2/internal/crypto"
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"miniflux.app/v2/internal/model"
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"miniflux.app/v2/internal/reader/date"
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"miniflux.app/v2/internal/reader/dublincore"
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"miniflux.app/v2/internal/reader/sanitizer"
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"miniflux.app/v2/internal/urllib"
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)
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type rdfFeed struct {
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XMLName xml.Name `xml:"RDF"`
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Title string `xml:"channel>title"`
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Link string `xml:"channel>link"`
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Items []rdfItem `xml:"item"`
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dublincore.DublinCoreFeedElement
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}
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func (r *rdfFeed) Transform(baseURL string) *model.Feed {
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var err error
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feed := new(model.Feed)
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feed.Title = sanitizer.StripTags(r.Title)
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feed.FeedURL = baseURL
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feed.SiteURL, err = urllib.AbsoluteURL(baseURL, r.Link)
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if err != nil {
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feed.SiteURL = r.Link
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}
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for _, item := range r.Items {
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entry := item.Transform()
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if entry.Author == "" && r.DublinCoreCreator != "" {
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entry.Author = r.GetSanitizedCreator()
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}
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if entry.URL == "" {
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entry.URL = feed.SiteURL
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} else {
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entryURL, err := urllib.AbsoluteURL(feed.SiteURL, entry.URL)
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if err == nil {
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entry.URL = entryURL
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}
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}
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feed.Entries = append(feed.Entries, entry)
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}
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return feed
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}
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type rdfItem struct {
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Title string `xml:"http://purl.org/rss/1.0/ title"`
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Link string `xml:"link"`
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Description string `xml:"description"`
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dublincore.DublinCoreItemElement
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}
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func (r *rdfItem) Transform() *model.Entry {
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entry := model.NewEntry()
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entry.Title = r.entryTitle()
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entry.Author = r.entryAuthor()
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entry.URL = r.entryURL()
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entry.Content = r.entryContent()
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entry.Hash = r.entryHash()
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entry.Date = r.entryDate()
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if entry.Title == "" {
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entry.Title = entry.URL
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}
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return entry
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}
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func (r *rdfItem) entryTitle() string {
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for _, title := range []string{r.Title, r.DublinCoreTitle} {
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title = strings.TrimSpace(title)
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if title != "" {
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return html.UnescapeString(title)
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}
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}
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return ""
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}
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func (r *rdfItem) entryContent() string {
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switch {
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case r.DublinCoreContent != "":
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return r.DublinCoreContent
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default:
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return r.Description
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}
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}
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func (r *rdfItem) entryAuthor() string {
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return r.GetSanitizedCreator()
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}
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func (r *rdfItem) entryURL() string {
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return strings.TrimSpace(r.Link)
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}
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func (r *rdfItem) entryDate() time.Time {
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if r.DublinCoreDate != "" {
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result, err := date.Parse(r.DublinCoreDate)
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if err != nil {
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slog.Debug("Unable to parse date from RDF feed",
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slog.String("date", r.DublinCoreDate),
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slog.String("link", r.Link),
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slog.Any("error", err),
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)
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return time.Now()
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}
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return result
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}
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return time.Now()
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}
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func (r *rdfItem) entryHash() string {
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value := r.Link
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if value == "" {
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value = r.Title + r.Description
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}
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return crypto.Hash(value)
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}
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