require "rails_helper" require "email/receiver" describe Email::Receiver do before do SiteSetting.email_in = true SiteSetting.reply_by_email_address = "reply+%{reply_key}@bar.com" SiteSetting.alternative_reply_by_email_addresses = "alt+%{reply_key}@bar.com" end def process(email_name) Email::Receiver.new(email(email_name)).process! end it "raises an EmptyEmailError when 'mail_string' is blank" do expect { Email::Receiver.new(nil) }.to raise_error(Email::Receiver::EmptyEmailError) expect { Email::Receiver.new("") }.to raise_error(Email::Receiver::EmptyEmailError) end it "raises a ScreenedEmailError when email address is screened" do ScreenedEmail.expects(:should_block?).with("screened@mail.com").returns(true) expect { process(:screened_email) }.to raise_error(Email::Receiver::ScreenedEmailError) end it "raises an UserNotFoundError when staged users are disabled" do SiteSetting.enable_staged_users = false expect { process(:user_not_found) }.to raise_error(Email::Receiver::UserNotFoundError) end it "raises an AutoGeneratedEmailError when the mail is auto generated" do expect { process(:auto_generated_precedence) }.to raise_error(Email::Receiver::AutoGeneratedEmailError) expect { process(:auto_generated_header) }.to raise_error(Email::Receiver::AutoGeneratedEmailError) end it "raises a NoBodyDetectedError when the body is blank" do expect { process(:no_body) }.to raise_error(Email::Receiver::NoBodyDetectedError) end it "raises an InactiveUserError when the sender is inactive" do Fabricate(:user, email: "inactive@bar.com", active: false) expect { process(:inactive_sender) }.to raise_error(Email::Receiver::InactiveUserError) end it "raises a BlockedUserError when the sender has been blocked" do Fabricate(:user, email: "blocked@bar.com", blocked: true) expect { process(:blocked_sender) }.to raise_error(Email::Receiver::BlockedUserError) end it "doesn't raise an InactiveUserError when the sender is staged" do user = Fabricate(:user, email: "staged@bar.com", active: false, staged: true) email_log = Fabricate(:email_log, to_address: 'reply+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa@bar.com', reply_key: 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', user: user, post: Fabricate(:post) ) expect { process(:staged_sender) }.not_to raise_error end it "raises a BadDestinationAddress when destinations aren't matching any of the incoming emails" do expect { process(:bad_destinations) }.to raise_error(Email::Receiver::BadDestinationAddress) end it "raises a BouncerEmailError when email is a bounced email" do expect { process(:bounced_email) }.to raise_error(Email::Receiver::BouncedEmailError) expect(IncomingEmail.last.is_bounce).to eq(true) end it "logs a blank error" do Email::Receiver.any_instance.stubs(:process_internal).raises(RuntimeError, "") process(:existing_user) rescue RuntimeError expect(IncomingEmail.last.error).to eq("RuntimeError") end context "bounces to VERP" do let(:bounce_key) { "14b08c855160d67f2e0c2f8ef36e251e" } let(:bounce_key_2) { "b542fb5a9bacda6d28cc061d18e4eb83" } let!(:user) { Fabricate(:user, email: "foo@bar.com") } let!(:email_log) { Fabricate(:email_log, user: user, bounce_key: bounce_key) } let!(:email_log_2) { Fabricate(:email_log, user: user, bounce_key: bounce_key_2) } before do $redis.del("bounce_score:#{user.email}:#{Date.today}") $redis.del("bounce_score:#{user.email}:#{2.days.from_now.to_date}") end it "deals with soft bounces" do expect { process(:soft_bounce_via_verp) }.to raise_error(Email::Receiver::BouncedEmailError) email_log.reload expect(email_log.bounced).to eq(true) expect(email_log.user.user_stat.bounce_score).to eq(1) end it "deals with hard bounces" do expect { process(:hard_bounce_via_verp) }.to raise_error(Email::Receiver::BouncedEmailError) email_log.reload expect(email_log.bounced).to eq(true) expect(email_log.user.user_stat.bounce_score).to eq(2) freeze_time 2.days.from_now expect { process(:hard_bounce_via_verp_2) }.to raise_error(Email::Receiver::BouncedEmailError) email_log_2.reload expect(email_log_2.user.user_stat.bounce_score).to eq(4) expect(email_log_2.bounced).to eq(true) end end context "reply" do let(:reply_key) { "4f97315cc828096c9cb34c6f1a0d6fe8" } let(:category) { Fabricate(:category) } let(:user) { Fabricate(:user, email: "discourse@bar.com") } let(:topic) { create_topic(category: category, user: user) } let(:post) { create_post(topic: topic, user: user) } let!(:email_log) { Fabricate(:email_log, reply_key: reply_key, user: user, topic: topic, post: post) } it "uses MD5 of 'mail_string' there is no message_id" do mail_string = email(:missing_message_id) expect { Email::Receiver.new(mail_string).process! }.to change { IncomingEmail.count } expect(IncomingEmail.last.message_id).to eq(Digest::MD5.hexdigest(mail_string)) end it "raises a ReplyUserNotMatchingError when the email address isn't matching the one we sent the notification to" do expect { process(:reply_user_not_matching) }.to raise_error(Email::Receiver::ReplyUserNotMatchingError) end it "raises a TopicNotFoundError when the topic was deleted" do topic.update_columns(deleted_at: 1.day.ago) expect { process(:reply_user_matching) }.to raise_error(Email::Receiver::TopicNotFoundError) end it "raises a TopicClosedError when the topic was closed" do topic.update_columns(closed: true) expect { process(:reply_user_matching) }.to raise_error(Email::Receiver::TopicClosedError) end it "does not raise TopicClosedError when performing a like action" do topic.update_columns(closed: true) expect { process(:like) }.to change(PostAction, :count) end it "raises an InvalidPost when there was an error while creating the post" do expect { process(:too_small) }.to raise_error(Email::Receiver::InvalidPost) end it "raises an InvalidPost when there are too may mentions" do SiteSetting.max_mentions_per_post = 1 Fabricate(:user, username: "user1") Fabricate(:user, username: "user2") expect { process(:too_many_mentions) }.to raise_error(Email::Receiver::InvalidPost) end it "raises an InvalidPostAction when they aren't allowed to like a post" do topic.update_columns(archived: true) expect { process(:like) }.to raise_error(Email::Receiver::InvalidPostAction) end it "works" do expect { process(:text_reply) }.to change { topic.posts.count } expect(topic.posts.last.raw).to eq("This is a text reply :)") expect(topic.posts.last.via_email).to eq(true) expect(topic.posts.last.cooked).not_to match(/
, wrote' quoting line" do expect { process(:on_date_contact_wrote) }.to change { topic.posts.count } expect(topic.posts.last.raw).to eq("This is the actual reply.") end it "removes the 'Previous Replies' marker" do expect { process(:previous_replies) }.to change { topic.posts.count } expect(topic.posts.last.raw).to eq("This will not include the previous discussion that is present in this email.") end it "handles multiple paragraphs" do expect { process(:paragraphs) }.to change { topic.posts.count } expect(topic.posts.last.raw).to eq("Do you like liquorice?\n\nI really like them. One could even say that I am *addicted* to liquorice. Anf if\nyou can mix it up with some anise, then I'm in heaven ;)") end it "handles invalid from header" do expect { process(:invalid_from) }.to change { topic.posts.count } expect(topic.posts.last.raw).to eq("This email was sent with an invalid from header field.") end it "doesn't raise an AutoGeneratedEmailError when the mail is auto generated but is whitelisted" do SiteSetting.auto_generated_whitelist = "foo@bar.com|discourse@bar.com" expect { process(:auto_generated_whitelisted) }.to change { topic.posts.count } end it "doesn't raise an AutoGeneratedEmailError when block_auto_generated_emails is disabled" do SiteSetting.block_auto_generated_emails = false expect { process(:auto_generated_unblocked) }.to change { topic.posts.count } end it "allows staged users to reply to a restricted category" do user.update_columns(staged: true) category.email_in = "category@bar.com" category.email_in_allow_strangers = true category.set_permissions(Group[:trust_level_4] => :full) category.save expect { process(:staged_reply_restricted) }.to change { topic.posts.count } end describe 'Unsubscribing via email' do let(:last_email) { ActionMailer::Base.deliveries.last } describe 'unsubscribe_subject.eml' do it 'sends an email asking the user to confirm the unsubscription' do expect { process("unsubscribe_subject") }.to change { ActionMailer::Base.deliveries.count }.by(1) expect(last_email.to.length).to eq 1 expect(last_email.from.length).to eq 1 expect(last_email.from).to include "noreply@#{Discourse.current_hostname}" expect(last_email.to).to include "discourse@bar.com" expect(last_email.subject).to eq I18n.t(:"unsubscribe_mailer.subject_template").gsub("%{site_title}", SiteSetting.title) end it 'does nothing unless unsubscribe_via_email is turned on' do SiteSetting.unsubscribe_via_email = false before_deliveries = ActionMailer::Base.deliveries.count expect { process("unsubscribe_subject") }.to raise_error { Email::Receiver::BadDestinationAddress } expect(before_deliveries).to eq ActionMailer::Base.deliveries.count end end describe 'unsubscribe_body.eml' do it 'sends an email asking the user to confirm the unsubscription' do expect { process("unsubscribe_body") }.to change { ActionMailer::Base.deliveries.count }.by(1) expect(last_email.to.length).to eq 1 expect(last_email.from.length).to eq 1 expect(last_email.from).to include "noreply@#{Discourse.current_hostname}" expect(last_email.to).to include "discourse@bar.com" expect(last_email.subject).to eq I18n.t(:"unsubscribe_mailer.subject_template").gsub("%{site_title}", SiteSetting.title) end it 'does nothing unless unsubscribe_via_email is turned on' do SiteSetting.unsubscribe_via_email = false before_deliveries = ActionMailer::Base.deliveries.count expect { process("unsubscribe_body") }.to raise_error { Email::Receiver::InvalidPost } expect(before_deliveries).to eq ActionMailer::Base.deliveries.count end end end it "handles inline reply" do expect { process(:inline_reply) }.to change { topic.posts.count } expect(topic.posts.last.raw).to eq("And this is *my* reply :+1:") end it "retrieves the first part of multiple replies" do expect { process(:inline_mixed_replies) }.to change { topic.posts.count } expect(topic.posts.last.raw).to eq("> WAT November 28\n>\n> This is the previous post.\n\nAnd this is *my* reply :+1:\n\n> This is another post.\n\nAnd this is **another** reply.") end it "strips mobile/webmail signatures" do expect { process(:iphone_signature) }.to change { topic.posts.count } expect(topic.posts.last.raw).to eq("This is not the signature you're looking for.") end it "strips 'original message' context" do expect { process(:original_message) }.to change { topic.posts.count } expect(topic.posts.last.raw).to eq("This is a reply :)") end it "add the 'elided' part of the original message only for private messages" do topic.update_columns(category_id: nil, archetype: Archetype.private_message) topic.allowed_users << user topic.save expect { process(:original_message) }.to change { topic.posts.count } expect(topic.posts.last.raw).to eq("This is a reply :)\n\n
\n···\n---Original Message---\nThis part should not be included\n
") end it "doesn't include the 'elided' part of the original message when always_show_trimmed_content is disabled" do SiteSetting.always_show_trimmed_content = false expect { process(:original_message) }.to change { topic.posts.count }.from(1).to(2) expect(topic.posts.last.raw).to eq("This is a reply :)") end it "adds the 'elided' part of the original message for public replies when always_show_trimmed_content is enabled" do SiteSetting.always_show_trimmed_content = true expect { process(:original_message) }.to change { topic.posts.count }.from(1).to(2) expect(topic.posts.last.raw).to eq("This is a reply :)\n\n
\n···\n---Original Message---\nThis part should not be included\n
") end it "supports attached images in TEXT part" do SiteSetting.queue_jobs = true expect { process(:no_body_with_image) }.to change { topic.posts.count } expect(topic.posts.last.raw).to match(/\s+After/) end it "supports attached images in HTML part" do SiteSetting.queue_jobs = true SiteSetting.incoming_email_prefer_html = true expect { process(:inline_image) }.to change { topic.posts.count } expect(topic.posts.last.raw).to match(/\*\*Before\*\*\s+\s+\*After\*/) end it "supports attachments" do SiteSetting.authorized_extensions = "txt" expect { process(:attached_txt_file) }.to change { topic.posts.count } expect(topic.posts.last.raw).to match(/text\.txt/) end it "supports liking via email" do expect { process(:like) }.to change(PostAction, :count) end it "ensures posts aren't dated in the future" do expect { process(:from_the_future) }.to change { topic.posts.count } expect(topic.posts.last.created_at).to be_within(1.minute).of(DateTime.now) end end context "new message to a group" do let!(:group) { Fabricate(:group, incoming_email: "team@bar.com|meat@bar.com") } it "handles encoded display names" do expect { process(:encoded_display_name) }.to change(Topic, :count) topic = Topic.last expect(topic.title).to eq("I need help") expect(topic.private_message?).to eq(true) expect(topic.allowed_groups).to include(group) user = topic.user expect(user.staged).to eq(true) expect(user.username).to eq("random.name") expect(user.name).to eq("Случайная Имя") end it "handles email with no subject" do expect { process(:no_subject) }.to change(Topic, :count) expect(Topic.last.title).to eq("This topic needs a title") end it "invites everyone in the chain but emails configured as 'incoming' (via reply, group or category)" do expect { process(:cc) }.to change(Topic, :count) emails = Topic.last.allowed_users.joins(:user_emails).pluck(:"user_emails.email") expect(emails.size).to eq(3) expect(emails).to include("someone@else.com", "discourse@bar.com", "wat@bar.com") end it "cap the number of staged users created per email" do SiteSetting.maximum_staged_users_per_email = 1 expect { process(:cc) }.to change(Topic, :count) expect(Topic.last.ordered_posts[-1].post_type).to eq(Post.types[:moderator_action]) end it "associates email replies using both 'In-Reply-To' and 'References' headers when 'find_related_post_with_key' is disabled" do SiteSetting.find_related_post_with_key = false expect { process(:email_reply_1) }.to change(Topic, :count) topic = Topic.last expect { process(:email_reply_2) }.to change { topic.posts.count } expect { process(:email_reply_3) }.to change { topic.posts.count } # Why 5 when we only processed 3 emails? # - 3 of them are indeed "regular" posts generated from the emails # - The 2 others are "small action" posts automatically added because # we invited 2 users (two@foo.com and three@foo.com) expect(topic.posts.count).to eq(5) # trash all but the 1st post topic.ordered_posts[1..-1].each(&:trash!) expect { process(:email_reply_4) }.to change { topic.posts.count } end it "supports any kind of attachments when 'allow_all_attachments_for_group_messages' is enabled" do SiteSetting.allow_all_attachments_for_group_messages = true expect { process(:attached_rb_file) }.to change(Topic, :count) expect(Post.last.raw).to match(/discourse\.rb/) end context "with forwarded emails enabled" do before { SiteSetting.enable_forwarded_emails = true } it "handles forwarded emails" do expect { process(:forwarded_email_1) }.to change(Topic, :count) forwarded_post, last_post = *Post.last(2) expect(forwarded_post.user.email).to eq("some@one.com") expect(last_post.user.email).to eq("ba@bar.com") expect(forwarded_post.raw).to match(/XoXo/) expect(last_post.raw).to match(/can you have a look at this email below/) expect(last_post.post_type).to eq(Post.types[:regular]) end it "handles weirdly forwarded emails" do group.add(Fabricate(:user, email: "ba@bar.com")) group.save SiteSetting.enable_forwarded_emails = true expect { process(:forwarded_email_2) }.to change(Topic, :count) forwarded_post, last_post = *Post.last(2) expect(forwarded_post.user.email).to eq("some@one.com") expect(last_post.user.email).to eq("ba@bar.com") expect(forwarded_post.raw).to match(/XoXo/) expect(last_post.raw).to match(/can you have a look at this email below/) expect(last_post.post_type).to eq(Post.types[:whisper]) end # Who thought this was a good idea?! it "doesn't blow up with localized email headers" do expect { process(:forwarded_email_3) }.to change(Topic, :count) end end end context "new topic in a category" do let!(:category) { Fabricate(:category, email_in: "category@bar.com|category@foo.com", email_in_allow_strangers: false) } it "raises a StrangersNotAllowedError when 'email_in_allow_strangers' is disabled" do expect { process(:new_user) }.to raise_error(Email::Receiver::StrangersNotAllowedError) end it "raises an InsufficientTrustLevelError when user's trust level isn't enough" do Fabricate(:user, email: "existing@bar.com", trust_level: 3) SiteSetting.email_in_min_trust = 4 expect { process(:existing_user) }.to raise_error(Email::Receiver::InsufficientTrustLevelError) end it "works" do user = Fabricate(:user, email: "existing@bar.com", trust_level: SiteSetting.email_in_min_trust) group = Fabricate(:group) group.add(user) group.save category.set_permissions(group => :create_post) category.save # raises an InvalidAccess when the user doesn't have the privileges to create a topic expect { process(:existing_user) }.to raise_error(Discourse::InvalidAccess) category.update_columns(email_in_allow_strangers: true) # allows new user to create a topic expect { process(:new_user) }.to change(Topic, :count) end it "adds the 'elided' part of the original message when always_show_trimmed_content is enabled" do SiteSetting.always_show_trimmed_content = true Fabricate(:user, email: "existing@bar.com", trust_level: SiteSetting.email_in_min_trust) expect { process(:forwarded_email_to_category) }.to change { Topic.count }.by(1) # Topic created new_post, = Post.last expect(new_post.raw).to include("Hi everyone, can you have a look at the email below?", "···", "Discoursing much today?") end it "works when approving is enabled" do SiteSetting.approve_unless_trust_level = 4 Fabricate(:user, email: "tl3@bar.com", trust_level: TrustLevel[3]) Fabricate(:user, email: "tl4@bar.com", trust_level: TrustLevel[4]) category.set_permissions(Group[:trust_level_4] => :full) category.save Group.refresh_automatic_group!(:trust_level_4) expect { process(:tl3_user) }.to_not change(Topic, :count) expect { process(:tl4_user) }.to change(Topic, :count) end it "ignores by title" do SiteSetting.ignore_by_title = "foo" expect { process(:ignored) }.to_not change(Topic, :count) end end context "new topic in a category that allows strangers" do let!(:category) { Fabricate(:category, email_in: "category@bar.com|category@foo.com", email_in_allow_strangers: true) } it "lets an email in from a stranger" do expect { process(:new_user) }.to change(Topic, :count) end it "lets an email in from a high-TL user" do Fabricate(:user, email: "tl4@bar.com", trust_level: TrustLevel[4]) expect { process(:tl4_user) }.to change(Topic, :count) end it "fails on email from a low-TL user" do SiteSetting.email_in_min_trust = 4 Fabricate(:user, email: "tl3@bar.com", trust_level: TrustLevel[3]) expect { process(:tl3_user) }.to raise_error(Email::Receiver::InsufficientTrustLevelError) end end context "#reply_by_email_address_regex" do before do SiteSetting.reply_by_email_address = nil SiteSetting.alternative_reply_by_email_addresses = nil end it "is empty by default" do expect(Email::Receiver.reply_by_email_address_regex).to eq(//) end it "uses 'reply_by_email_address' site setting" do SiteSetting.reply_by_email_address = "foo+%{reply_key}@bar.com" expect(Email::Receiver.reply_by_email_address_regex).to eq(/foo\+(\h{32})@bar\.com/) end it "uses 'alternative_reply_by_email_addresses' site setting" do SiteSetting.alternative_reply_by_email_addresses = "alt.foo+%{reply_key}@bar.com" expect(Email::Receiver.reply_by_email_address_regex).to eq(/alt\.foo\+(\h{32})@bar\.com/) end it "combines both 'reply_by_email' settings" do SiteSetting.reply_by_email_address = "foo+%{reply_key}@bar.com" SiteSetting.alternative_reply_by_email_addresses = "alt.foo+%{reply_key}@bar.com" expect(Email::Receiver.reply_by_email_address_regex).to eq(/foo\+(\h{32})@bar\.com|alt\.foo\+(\h{32})@bar\.com/) end end context "check_address" do before do SiteSetting.reply_by_email_address = "foo+%{reply_key}@bar.com" end it "returns nil when the key is invalid" do expect(Email::Receiver.check_address('fake@fake.com')).to be_nil expect(Email::Receiver.check_address('foo+4f97315cc828096c9cb34c6f1a0d6fe8@bar.com')).to be_nil end context "with a valid reply" do it "returns the destination when the key is valid" do Fabricate(:email_log, reply_key: '4f97315cc828096c9cb34c6f1a0d6fe8') dest = Email::Receiver.check_address('foo+4f97315cc828096c9cb34c6f1a0d6fe8@bar.com') expect(dest).to be_present expect(dest[:type]).to eq(:reply) expect(dest[:obj]).to be_present end end end end