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https://github.com/miniflux/v2.git
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86c58e11f6
There is no need to use SHA256 everywhere, especially on small inputs where we
don't care about its cryptographic properties. We're using FNV as it's the
faster available hash in go's standard library, and we're picking its "a"
version as it's slightly better avalanche characteristics, which are
relevant for small inputs.
This commit has the side-effect of invalidating all favicons saved in the
database, which is desirable to benefit from the resize process implemented in
777d0dd2, as it didn't apply retro-actively.
We're also making use of hex.EncodeToString instead of fmt.Sprintf, as it's
marginally faster.
Note that we can't change the usage of sha256 for feed.Hash as it's used to
deduplicate entries in the database.
115 lines
2.8 KiB
Go
115 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 atom // import "miniflux.app/v2/internal/reader/atom"
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import (
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"log/slog"
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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/sanitizer"
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"miniflux.app/v2/internal/urllib"
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)
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type Atom03Adapter struct {
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atomFeed *Atom03Feed
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}
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func NewAtom03Adapter(atomFeed *Atom03Feed) *Atom03Adapter {
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return &Atom03Adapter{atomFeed}
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}
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func (a *Atom03Adapter) BuildFeed(baseURL string) *model.Feed {
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feed := new(model.Feed)
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// Populate the feed URL.
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feedURL := a.atomFeed.Links.firstLinkWithRelation("self")
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if feedURL != "" {
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if absoluteFeedURL, err := urllib.AbsoluteURL(baseURL, feedURL); err == nil {
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feed.FeedURL = absoluteFeedURL
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}
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} else {
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feed.FeedURL = baseURL
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}
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// Populate the site URL.
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siteURL := a.atomFeed.Links.OriginalLink()
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if siteURL != "" {
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if absoluteSiteURL, err := urllib.AbsoluteURL(baseURL, siteURL); err == nil {
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feed.SiteURL = absoluteSiteURL
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}
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} else {
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feed.SiteURL = baseURL
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}
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// Populate the feed title.
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feed.Title = a.atomFeed.Title.Content()
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if feed.Title == "" {
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feed.Title = feed.SiteURL
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}
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for _, atomEntry := range a.atomFeed.Entries {
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entry := model.NewEntry()
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// Populate the entry URL.
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entry.URL = atomEntry.Links.OriginalLink()
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if entry.URL != "" {
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if absoluteEntryURL, err := urllib.AbsoluteURL(feed.SiteURL, entry.URL); err == nil {
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entry.URL = absoluteEntryURL
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}
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}
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// Populate the entry content.
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entry.Content = atomEntry.Content.Content()
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if entry.Content == "" {
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entry.Content = atomEntry.Summary.Content()
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}
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// Populate the entry title.
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entry.Title = atomEntry.Title.Content()
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if entry.Title == "" {
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entry.Title = sanitizer.TruncateHTML(entry.Content, 100)
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}
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if entry.Title == "" {
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entry.Title = entry.URL
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}
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// Populate the entry author.
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entry.Author = atomEntry.Author.PersonName()
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if entry.Author == "" {
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entry.Author = a.atomFeed.Author.PersonName()
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}
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// Populate the entry date.
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for _, value := range []string{atomEntry.Issued, atomEntry.Modified, atomEntry.Created} {
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if parsedDate, err := date.Parse(value); err == nil {
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entry.Date = parsedDate
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break
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} else {
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slog.Debug("Unable to parse date from Atom 0.3 feed",
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slog.String("date", value),
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slog.String("id", atomEntry.ID),
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slog.Any("error", err),
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)
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}
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}
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if entry.Date.IsZero() {
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entry.Date = time.Now()
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}
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// Generate the entry hash.
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for _, value := range []string{atomEntry.ID, atomEntry.Links.OriginalLink()} {
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if value != "" {
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entry.Hash = crypto.SHA256(value)
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break
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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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