miniflux/reader/filter/filter.go

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// Copyright 2018 Frédéric Guillot. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package filter
import (
"miniflux.app/logger"
"miniflux.app/model"
"miniflux.app/reader/rewrite"
"miniflux.app/reader/sanitizer"
"miniflux.app/reader/scraper"
"miniflux.app/storage"
)
// Apply executes all entry filters.
func Apply(store *storage.Storage, feed *model.Feed) {
for _, entry := range feed.Entries {
if feed.Crawler {
if !store.EntryURLExists(feed.UserID, entry.URL) {
content, err := scraper.Fetch(entry.URL, feed.ScraperRules, feed.UserAgent)
if err != nil {
logger.Error("Unable to crawl this entry: %q => %v", entry.URL, err)
} else {
// We replace the entry content only if the scraper doesn't return any error.
entry.Content = content
}
}
}
entry.Content = rewrite.Rewriter(entry.URL, entry.Content, feed.RewriteRules)
// The sanitizer should always run at the end of the process to make sure unsafe HTML is filtered.
entry.Content = sanitizer.Sanitize(entry.URL, entry.Content)
}
}