79 lines
2.4 KiB
Go
79 lines
2.4 KiB
Go
// Copyright 2017 Frédéric Guillot. All rights reserved.
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// Use of this source code is governed by the Apache 2.0
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// license that can be found in the LICENSE file.
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package rewrite // import "miniflux.app/reader/rewrite"
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import (
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"strings"
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"regexp"
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"miniflux.app/logger"
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"miniflux.app/url"
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)
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var customReplaceRuleRegex = regexp.MustCompile(`replace\("(.*)"\|"(.*)"\)`)
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// Rewriter modify item contents with a set of rewriting rules.
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func Rewriter(entryURL, entryContent, customRewriteRules string) string {
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rulesList := getPredefinedRewriteRules(entryURL)
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if customRewriteRules != "" {
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rulesList = customRewriteRules
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}
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rules := strings.Split(rulesList, ",")
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rules = append(rules, "add_pdf_download_link")
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logger.Debug(`[Rewrite] Applying rules %v for %q`, rules, entryURL)
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for _, rule := range rules {
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rule := strings.TrimSpace(rule)
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switch rule {
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case "add_image_title":
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entryContent = addImageTitle(entryURL, entryContent)
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case "add_mailto_subject":
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entryContent = addMailtoSubject(entryURL, entryContent)
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case "add_dynamic_image":
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entryContent = addDynamicImage(entryURL, entryContent)
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case "add_youtube_video":
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entryContent = addYoutubeVideo(entryURL, entryContent)
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case "add_invidious_video":
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entryContent = addInvidiousVideo(entryURL, entryContent)
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case "add_youtube_video_using_invidious_player":
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entryContent = addYoutubeVideoUsingInvidiousPlayer(entryURL, entryContent)
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case "add_pdf_download_link":
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entryContent = addPDFLink(entryURL, entryContent)
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case "nl2br":
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entryContent = replaceLineFeeds(entryContent)
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case "convert_text_link", "convert_text_links":
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entryContent = replaceTextLinks(entryContent)
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case "fix_medium_images":
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entryContent = fixMediumImages(entryURL, entryContent)
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case "use_noscript_figure_images":
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entryContent = useNoScriptImages(entryURL, entryContent)
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default:
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if strings.Contains(rule, "replace") {
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// Format: replace("search-term"|"replace-term")
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args := customReplaceRuleRegex.FindStringSubmatch(rule)
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if len(args) >= 3 {
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entryContent = replaceCustom(entryContent, args[1], args[2])
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} else {
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logger.Debug("[Rewrite] Cannot find search and replace terms for replace rule %s", rule)
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}
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}
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}
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}
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return entryContent
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}
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func getPredefinedRewriteRules(entryURL string) string {
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urlDomain := url.Domain(entryURL)
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for domain, rules := range predefinedRules {
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if strings.Contains(urlDomain, domain) {
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return rules
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}
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}
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return ""
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}
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