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FEATURE: email attachments in a details (#27804)
This change how we present attachments from incoming emails to now be "hidden" in a "[details]" so they don't "hang" at the end of the post. This is especially useful when using Discourse as a support tool where email is the main communication channel. For various reasons, images are often duplicated by email user agents, and hiding them behind the details block help keep the conversation focused on the isssue at hand. Internal ref t/122333
This commit is contained in:
Régis Hanol
GitHub
parent
301713ef96
commit
758b9dd0ba
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@ -245,6 +245,7 @@ en:
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maximum_staged_user_per_email_reached: "Reached maximum number of staged users created per email."
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no_subject: "(no subject)"
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no_body: "(no body)"
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attachments: "(attachments)"
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missing_attachment: "(Attachment %{filename} is missing)"
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continuing_old_discussion:
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one: "Continuing the discussion from [%{title}](%{url}), because it was created more than %{count} day ago."
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@ -462,6 +462,10 @@ module Email
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end
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end
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# keep track of inlined images in html version
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# so we can later check if they were elided
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@cids = (html.presence || "").scan(/src\s*=\s*['"](cid:.+?)["']/).flatten
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markdown, elided_markdown =
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if html.present?
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# use the first html extracter that matches
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@ -772,7 +776,7 @@ module Email
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# return the email address and name
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[mail, name]
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end
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rescue Mail::Field::ParseError, Mail::Field::IncompleteParseError => e
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rescue Mail::Field::ParseError, Mail::Field::IncompleteParseError
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# something went wrong parsing the email header value, return nil
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end
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end
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@ -1366,7 +1370,21 @@ module Email
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upload_shas = Upload.where(id: upload_ids).pluck("DISTINCT COALESCE(original_sha1, sha1)")
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is_duplicate = ->(upload_id, upload_sha, attachment) do
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return true if upload_id && upload_ids.include?(upload_id)
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return true if upload_sha && upload_shas.include?(upload_sha)
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if attachment.respond_to?(:url) && attachment.url&.start_with?("cid:") &&
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attachment.content_type&.start_with?("image/")
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return true if @cids&.include?(attachment.url)
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end
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false
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end
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added_attachments = []
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rejected_attachments = []
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attachments.each do |attachment|
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tmp = Tempfile.new(["discourse-email-attachment", File.extname(attachment.filename)])
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begin
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@ -1392,11 +1410,11 @@ module Email
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end
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elsif raw[/\[image:[^\]]*\]/i]
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raw.sub!(/\[image:[^\]]*\]/i, UploadMarkdown.new(upload).to_markdown)
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elsif !upload_ids.include?(upload.id) && !upload_shas.include?(upload_sha)
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raw << "\n\n#{UploadMarkdown.new(upload).to_markdown}\n\n"
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elsif !is_duplicate[upload.id, upload_sha, attachment]
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added_attachments << upload
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end
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elsif !upload_ids.include?(upload.id) && !upload_shas.include?(upload_sha)
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raw << "\n\n#{UploadMarkdown.new(upload).to_markdown}\n\n"
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elsif !is_duplicate[upload.id, upload_sha, attachment]
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added_attachments << upload
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end
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else
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rejected_attachments << upload
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@ -1406,10 +1424,24 @@ module Email
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tmp&.close!
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end
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end
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if rejected_attachments.present? && !user.staged?
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notify_about_rejected_attachment(rejected_attachments)
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end
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if added_attachments.present?
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markdown =
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added_attachments.map { |upload| UploadMarkdown.new(upload).to_markdown }.join("\n")
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if markdown.present?
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raw << "\n\n"
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raw << "[details=\"#{I18n.t("emails.incoming.attachments")}\"]"
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raw << "\n\n"
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raw << markdown
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raw << "\n\n"
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raw << "[/details]"
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end
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end
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raw
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end
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@ -71,13 +71,12 @@ RSpec.describe Email::Receiver do
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user = Fabricate(:user, email: "staged@bar.com", active: false, staged: true)
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post = Fabricate(:post)
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post_reply_key =
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Fabricate(
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:post_reply_key,
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user: user,
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post: post,
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reply_key: "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
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)
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Fabricate(
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:post_reply_key,
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user: user,
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post: post,
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reply_key: "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
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)
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expect { process(:staged_sender) }.not_to raise_error
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end
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@ -91,7 +90,7 @@ RSpec.describe Email::Receiver do
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topic = Fabricate(:topic)
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post = Fabricate(:post, topic: topic)
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user = Fabricate(:user, email: "discourse@bar.com")
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Fabricate(:user, email: "discourse@bar.com")
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mail = email(:old_destination).gsub(":post_id", post.id.to_s)
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expect { Email::Receiver.new(mail).process! }.to raise_error(
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@ -666,18 +665,14 @@ RSpec.describe Email::Receiver do
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post = topic.posts.last
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upload = post.uploads.first
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expect(post.raw).to include(
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"",
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)
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expect(post.raw).to include UploadMarkdown.new(upload).to_markdown
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expect { process(:inline_image) }.to change { topic.posts.count }
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post = topic.posts.last
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upload = post.uploads.first
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expect(post.raw).to include(
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"",
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)
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expect(post.raw).to include UploadMarkdown.new(upload).to_markdown
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end
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it "supports attached images in HTML part" do
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@ -706,7 +701,11 @@ RSpec.describe Email::Receiver do
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expect(post.raw).to eq(<<~MD.chomp)
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[image:#{"0" * 5000}
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[details="#{I18n.t("emails.incoming.attachments")}"]
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#{UploadMarkdown.new(upload).to_markdown}
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[/details]
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MD
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end
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@ -725,7 +724,7 @@ RSpec.describe Email::Receiver do
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<details class='elided'>
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<summary title='Show trimmed content'>···</summary>
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<img src="upload://qUm0DGR49PAZshIi7HxMd3cAlzn.png" width="300" height="200">
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<img src="#{upload.short_url}" width="300" height="200">
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</details>
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MD
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@ -740,7 +739,11 @@ RSpec.describe Email::Receiver do
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expect(post.raw).to eq(<<~MD.chomp)
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Please find some text file attached.
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[#{upload.original_filename}|attachment](#{upload.short_url}) (20 Bytes)
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[details="#{I18n.t("emails.incoming.attachments")}"]
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#{UploadMarkdown.new(upload).to_markdown}
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[/details]
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MD
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expect { process(:apple_mail_attachment) }.to change { topic.posts.count }
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@ -758,33 +761,21 @@ RSpec.describe Email::Receiver do
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it "tries not to repeat duplicate attachments" do
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SiteSetting.authorized_extensions = "jpg"
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SiteSetting.always_show_trimmed_content = true
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expect { process(:logo_1) }.to change { UploadReference.count }.by(1)
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expect(topic.posts.last.raw).to match %r{upload://}
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expect { process(:logo_1) }.to change { Upload.count }.by(1)
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logo = Upload.last
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expect(topic.posts.last.raw).to include logo.short_url
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expect { process(:logo_2) }.not_to change { UploadReference.count }
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expect(topic.posts.last.raw).not_to match %r{upload://}
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end
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it "tries not to repeat duplicate secure attachments" do
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setup_s3
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stub_s3_store
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SiteSetting.secure_uploads = true
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SiteSetting.authorized_extensions = "jpg"
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expect { process(:logo_1) }.to change { UploadReference.count }.by(1)
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expect(topic.posts.last.raw).to match %r{upload://}
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expect { process(:logo_2) }.not_to change { UploadReference.count }
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expect(topic.posts.last.raw).not_to match %r{upload://}
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expect { process(:logo_2) }.not_to change { Upload.count }
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expect(topic.posts.last.raw).to include logo.short_url
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end
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it "works with removed attachments" do
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SiteSetting.authorized_extensions = "jpg"
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expect { process(:removed_attachments) }.to change { topic.posts.count }
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post = topic.posts.last
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expect(post.uploads).to be_empty
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expect(topic.posts.last.uploads).to be_empty
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end
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it "supports eml attachments" do
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@ -796,7 +787,11 @@ RSpec.describe Email::Receiver do
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expect(post.raw).to eq(<<~MD.chomp)
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Please find the eml file attached.
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[#{upload.original_filename}|attachment](#{upload.short_url}) (193 Bytes)
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[details="#{I18n.t("emails.incoming.attachments")}"]
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#{UploadMarkdown.new(upload).to_markdown}
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[/details]
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MD
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end
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@ -837,9 +832,7 @@ RSpec.describe Email::Receiver do
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post = topic.posts.last
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upload = post.uploads.last
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expect(post.raw).to include(
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"[#{upload.original_filename}|attachment](#{upload.short_url}) (64 KB)",
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)
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expect(post.raw).to include UploadMarkdown.new(upload).to_markdown
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end
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it "supports liking via email" do
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@ -1020,20 +1013,16 @@ RSpec.describe Email::Receiver do
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it "extracts address and uses it for comparison" do
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expect { process(:reply_to_whitespaces) }.to change(Topic, :count).by(1)
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user = User.last
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incoming = IncomingEmail.find_by(message_id: "TXULO4v6YU0TzeL2buFAJNU2MK21c7t4@example.com")
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topic = incoming.topic
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expect(incoming.from_address).to eq("johndoe@example.com")
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expect(user.email).to eq("johndoe@example.com")
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expect(User.last.email).to eq("johndoe@example.com")
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end
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it "handles emails where there is a Reply-To address, using that instead of the from address, if X-Original-From is present" do
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expect { process(:reply_to_different_to_from) }.to change(Topic, :count).by(1)
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user = User.last
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incoming = IncomingEmail.find_by(message_id: "3848c3m98r439c348mc349@test.mailinglist.com")
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topic = incoming.topic
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expect(incoming.from_address).to eq("arthurmorgan@reddeadtest.com")
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expect(user.email).to eq("arthurmorgan@reddeadtest.com")
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expect(User.last.email).to eq("arthurmorgan@reddeadtest.com")
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end
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it "allows for quotes around the display name of the Reply-To address" do
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@ -1041,20 +1030,16 @@ RSpec.describe Email::Receiver do
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Topic,
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:count,
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).by(1)
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user = User.last
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incoming = IncomingEmail.find_by(message_id: "3848c3m98r439c348mc349@test.mailinglist.com")
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topic = incoming.topic
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expect(incoming.from_address).to eq("johnmarston@reddeadtest.com")
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expect(user.email).to eq("johnmarston@reddeadtest.com")
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expect(User.last.email).to eq("johnmarston@reddeadtest.com")
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end
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it "does not use the reply-to address if an X-Original-From header is not present" do
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expect { process(:reply_to_different_to_from_no_x_original) }.to change(Topic, :count).by(1)
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user = User.last
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incoming = IncomingEmail.find_by(message_id: "3848c3m98r439c348mc349@test.mailinglist.com")
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topic = incoming.topic
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expect(incoming.from_address).to eq("westernsupport@test.mailinglist.com")
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expect(user.email).to eq("westernsupport@test.mailinglist.com")
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expect(User.last.email).to eq("westernsupport@test.mailinglist.com")
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end
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it "does not use the reply-to address if the X-Original-From header is different from the reply-to address" do
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@ -1062,11 +1047,9 @@ RSpec.describe Email::Receiver do
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Topic,
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:count,
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).by(1)
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user = User.last
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incoming = IncomingEmail.find_by(message_id: "3848c3m98r439c348mc349@test.mailinglist.com")
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topic = incoming.topic
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expect(incoming.from_address).to eq("westernsupport@test.mailinglist.com")
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expect(user.email).to eq("westernsupport@test.mailinglist.com")
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expect(User.last.email).to eq("westernsupport@test.mailinglist.com")
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end
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end
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@ -1138,9 +1121,7 @@ RSpec.describe Email::Receiver do
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post = Topic.last.first_post
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upload = post.uploads.first
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expect(post.raw).to include(
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"[#{upload.original_filename}|attachment](#{upload.short_url}) (#{upload.filesize} Bytes)",
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)
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expect(post.raw).to include UploadMarkdown.new(upload).to_markdown
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end
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it "reenables user's PM email notifications when user emails new topic to group" do
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@ -1401,7 +1382,7 @@ RSpec.describe Email::Receiver do
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end
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it "processes the reply from the user as a brand new topic if they have replied from a different address (e.g. auto forward) and allow_unknown_sender_topic_replies is disabled" do
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email_log, group_post = reply_as_group_user
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email_log, _group_post = reply_as_group_user
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reply_email = email(:email_to_group_email_username_2_as_unknown_sender)
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reply_email.gsub!("MESSAGE_ID_REPLY_TO", email_log.message_id)
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@ -1415,7 +1396,7 @@ RSpec.describe Email::Receiver do
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it "processes the reply from the user as a reply if they have replied from a different address (e.g. auto forward) and allow_unknown_sender_topic_replies is enabled" do
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group.update!(allow_unknown_sender_topic_replies: true)
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email_log, group_post = reply_as_group_user
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email_log, _group_post = reply_as_group_user
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reply_email = email(:email_to_group_email_username_2_as_unknown_sender)
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reply_email.gsub!("MESSAGE_ID_REPLY_TO", email_log.message_id)
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@ -2216,7 +2197,7 @@ RSpec.describe Email::Receiver do
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SiteSetting.strip_incoming_email_lines = true
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receiver = Email::Receiver.new(email)
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text, elided, format = receiver.select_body
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text, _elided, _format = receiver.select_body
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expect(text).to eq(stripped_text)
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end
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