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Replace YouTube links
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commit
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@ -249,7 +249,7 @@ get "/watch" do |env|
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aspect_ratio = "16:9"
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video.description = fill_links(video.description, "https", "www.youtube.com")
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video.description = add_alt_links(video.description)
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video.description = replace_links(video.description)
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description = video.short_description
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host_url = make_host_url(Kemal.config.ssl || CONFIG.https_only, env.request.headers["Host"]?)
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@ -349,7 +349,7 @@ get "/embed/:id" do |env|
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aspect_ratio = nil
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video.description = fill_links(video.description, "https", "www.youtube.com")
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video.description = add_alt_links(video.description)
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video.description = replace_links(video.description)
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description = video.short_description
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host_url = make_host_url(Kemal.config.ssl || CONFIG.https_only, env.request.headers["Host"]?)
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@ -1936,7 +1936,7 @@ get "/api/v1/comments/:id" do |env|
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content_html = template_reddit_comments(comments)
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content_html = fill_links(content_html, "https", "www.reddit.com")
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content_html = add_alt_links(content_html)
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content_html = replace_links(content_html)
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rescue ex
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reddit_thread = nil
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content_html = ""
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@ -190,37 +190,21 @@ def template_reddit_comments(root)
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return html
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end
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def add_alt_links(html)
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alt_links = [] of {String, String}
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def replace_links(html)
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html = XML.parse_html(html)
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# This is painful but likely the only way to accomplish this in Crystal,
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# as Crystigiri and others are not able to insert XML Nodes into a document.
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# The goal here is to use as little regex as possible
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html.scan(/<a[^>]*>([^<]+)<\/a>/) do |match|
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anchor = XML.parse_html(match[0])
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anchor = anchor.xpath_node("//a").not_nil!
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html.xpath_nodes(%q(//a)).each do |anchor|
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url = URI.parse(anchor["href"])
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if ["www.youtube.com", "m.youtube.com"].includes?(url.host)
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if url.path == "/redirect"
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params = HTTP::Params.parse(url.query.not_nil!)
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alt_url = params["q"]?
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alt_url ||= "/"
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anchor["href"] = params["q"]?
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else
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alt_url = url.full_path
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anchor["href"] = url.full_path
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end
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alt_link = <<-END_HTML
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<a href="#{alt_url}">
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<i class="icon ion-ios-link"></i>
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</a>
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END_HTML
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elsif url.host == "youtu.be"
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alt_link = <<-END_HTML
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<a href="/watch?v=#{url.path.try &.lchop("/")}&#{url.query}">
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<i class="icon ion-ios-link"></i>
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</a>
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END_HTML
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anchor["href"] = "/watch?v=#{url.path.try &.lchop("/")}&#{url.query}"
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elsif url.to_s == "#"
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begin
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length_seconds = decode_length_seconds(anchor.content)
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@ -228,23 +212,12 @@ def add_alt_links(html)
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length_seconds = decode_time(anchor.content)
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end
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alt_anchor = <<-END_HTML
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<a href="javascript:void(0)" onclick="player.currentTime(#{length_seconds})">#{anchor.content}</a>
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END_HTML
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html = html.sub(anchor.to_s, alt_anchor)
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next
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else
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alt_link = ""
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end
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alt_links << {anchor.to_s, alt_link}
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end
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alt_links.each do |original, alternate|
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html = html.sub(original, original + alternate)
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anchor["href"] = "javascript:void(0)"
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anchor["onclick"] = "player.currentTime(#{length_seconds})"
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end
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end
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html = html.to_xml(options: XML::SaveOptions::NO_DECL)
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return html
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end
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@ -267,5 +240,5 @@ def fill_links(html, scheme, host)
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html = html.to_xml(options: XML::SaveOptions::NO_DECL)
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end
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html
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return html
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end
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@ -130,7 +130,7 @@ def fetch_playlist(plid)
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description = description.to_xml.strip(" \n")
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description = description.split("<button ")[0]
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description = fill_links(description, "https", "www.youtube.com")
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description = add_alt_links(description)
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description = replace_links(description)
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else
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description = ""
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end
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