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Author SHA1 Message Date
epriestley
11cf8f05b1 Remove "getApplicationTransactionObject()" from ApplicationTransactionInterface
Summary:
Depends on D19919. Ref T11351. This method appeared in D8802 (note that "get...Object" was renamed to "get...Transaction" there, so this method was actually "new" even though a method of the same name had existed before).

The goal at the time was to let Harbormaster post build results to Diffs and have them end up on Revisions, but this eventually got a better implementation (see below) where the Harbormaster-specific code can just specify a "publishable object" where build results should go.

The new `get...Object` semantics ultimately broke some stuff, and the actual implementation in Differential was removed in D10911, so this method hasn't really served a purpose since December 2014. I think that broke the Harbormaster thing by accident and we just lived with it for a bit, then Harbormaster got some more work and D17139 introduced "publishable" objects which was a better approach. This was later refined by D19281.

So: the original problem (sending build results to the right place) has a good solution now, this method hasn't done anything for 4 years, and it was probably a bad idea in the first place since it's pretty weird/surprising/fragile.

Note that `Comment` objects still have an unrelated method with the same name. In that case, the method ties the `Comment` storage object to the related `Transaction` storage object.

Test Plan: Grepped for `getApplicationTransactionObject`, verified that all remaining callsites are related to `Comment` objects.

Reviewers: amckinley

Reviewed By: amckinley

Subscribers: PHID-OPKG-gm6ozazyms6q6i22gyam

Maniphest Tasks: T11351

Differential Revision: https://secure.phabricator.com/D19920
2018-12-20 15:16:19 -08:00
epriestley
937e88c399 Remove obsolete, no-op implementations of "willRenderTimeline()"
Summary:
Depends on D19918. Ref T11351. In D19918, I removed all calls to this method. Now, remove all implementations.

All of these implementations just `return $timeline`, only the three sites in D19918 did anything interesting.

Test Plan: Used `grep willRenderTimeline` to find callsites, found none.

Reviewers: amckinley

Reviewed By: amckinley

Subscribers: PHID-OPKG-gm6ozazyms6q6i22gyam

Maniphest Tasks: T11351

Differential Revision: https://secure.phabricator.com/D19919
2018-12-20 15:04:49 -08:00
epriestley
5343b1f898 Remove defunct "metamta.herald.show-hints" Config option
Summary:
Ref T13216. See PHI985. This config option once controlled adding a Herald transcript link to email. However, this was never implemented in a generic way and was removed from revisions in D8459 and from commits in D10705. No one has noticed or asked for this option for several years, so this is probably a good opportunity to simplify the software and reduce the total amount of configuration.

If we did want to pursue this in the future, I'd generally prefer to make it part of the mail detail page (`/mail/detail/12345/`) anyway.

Test Plan: Grepped for `metamta.herald.show-hints` and `addHeraldSection()`, got no hits for either.

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T13216

Differential Revision: https://secure.phabricator.com/D19833
2018-11-26 10:14:25 -08:00
epriestley
e0dea4c486 Fix packages(project) to work properly and add it to "MailableFunctionDatasource"
Summary:
Ref T13210. See PHI937. This function datasource isn't quite implemented correctly: it doesn't resolve `package(project)` properly, since the logic only handles users.

This blames back to D14013, where it looks like `packages(..)` was added mostly as a general nice-to-have as part of a larger modernization change.

Test Plan: Ran a `packages(project)` query in Differential, got accurate results (previously: no results).

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T13210

Differential Revision: https://secure.phabricator.com/D19747
2018-10-19 13:53:27 -07:00
epriestley
b86dae6214 Fix an issue with error handling when no mailers are available
Summary:
Ref T13164. See PHI785. See D19546. I think I didn't test the updated error messaging here entirely properly, since I have some tasks in queue which error out here ("Missing argument 1 to newMailers(...)").

This is an error condition already, but we want to get through this call so we can raise a tailored message.

Test Plan: Tasks which errored out here now succeed. This condition is only reachable if you misconfigure things in the first place.

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T13164

Differential Revision: https://secure.phabricator.com/D19572
2018-08-13 11:39:13 -07:00
epriestley
690a460c8e Allow mailers to be explicitly marked as inbound or outbound
Summary:
See PHI785. Ref T13164. In this case, an install wants to receive mail via Mailgun, but not configure it (DKIM + SPF) for outbound mail.

Allow individual mailers to be marked as not supporting inbound or outbound mail.

Test Plan:
  - Added and ran unit tests.
  - Went through some mail pathways locally, but I don't have every inbound/outbound configured so this isn't totally conclusive.
  - Hit `bin/mail send-test` with a no-outbound mailer.
  - I'll hold this until after the release cut so it can soak on `secure` for a bit.

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T13164

Differential Revision: https://secure.phabricator.com/D19546
2018-07-30 08:25:06 -07:00
epriestley
a7c681b549 Don't set mail HTML bodies if there's no actual HTML body
Summary:
See <https://discourse.phabricator-community.org/t/commit-6011085b0fcd-breaks-sending-certain-email/1571>. Some mailers get upset if we `setHTMLBody(...)` with an empty string.

There's some possible argument they should be more graceful about this, but it's reasonably pretty ambiguous.

Only try to set the HTML body if we actually have a nonempty HTML body.

Test Plan:
  - Configured an "smtp" mailer.
  - Ran `echo hi | ./bin/mail send-test --to someone@somewhere.com --subject test`.
  - Before: error about empty message body.
  - After: no more message body error.

Reviewers: amckinley

Reviewed By: amckinley

Differential Revision: https://secure.phabricator.com/D19494
2018-06-15 14:01:40 -07:00
epriestley
6011085b0f Respect "metamta.email-body-limit" when building mail HTML bodies
Summary:
Ref T13151. See T11767. See PHI686. Although we limit outbound mail text bodies, the limit doesn't currently apply to attachments, HTML bodies, or headers. T11767 discusses improving this in the general case.

In the wild, an install hit an issue (see PHI686) where edits to Phriction pages generate very large HTML bodies. Check and respect the limit when building HTML bodies.

If we don't have enough room for the HTML body, we just drop it. We have the text body to fall back to, and HTML is difficult to truncate safely.

Test Plan: Added unit tests and made them pass.

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T13151

Differential Revision: https://secure.phabricator.com/D19489
2018-06-12 12:02:15 -07:00
epriestley
62a402491a Allow encrypted mail to be more specific about which object is affected
Summary:
Depends on D19487. Ref T13151. See PHI647. For some objects, like revisions, we can build slightly more useful secure email without actually disclosing anything.

In the general case, the object monogram may disclose information (`#acquire-competitor`) but most do not, so applications can whitelist an acceptable nondisclosing subject and link.

Support doing this, and make Differential do it. When we don't have a whitelisted URI but do know the object the mail is about, include a generic PHID-based URI; these are always nondisclosing.

Test Plan:
  - Without the Differential changes, sent normal mail (no changes) and secure mail (new generic PHID-based link).
  - With the Differential changes, sent secure mail; got richer subject and body link.

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T13151

Differential Revision: https://secure.phabricator.com/D19488
2018-06-12 11:55:18 -07:00
epriestley
2951e0c86b Include owners packages in the MailableFunction datasource
Summary:
Ref T13151. See PHI684. Currently, the `MailableFunction` datasource does not include Owners packages, but they are valid subscribers and the `Mailable` datasource includes them.

Include them in the `MailableFunction` datasource, too.

Test Plan: Searched for revisions with particular package subscribers, got expected results in the UI (tokenizer knew about packages) and response.

Reviewers: amckinley, jmeador

Reviewed By: jmeador

Maniphest Tasks: T13151

Differential Revision: https://secure.phabricator.com/D19476
2018-06-07 12:02:50 -07:00
epriestley
1b24b486f5 Manage object mailKeys automatically in Mail instead of storing them on objects
Summary:
Ref T13065. `mailKey`s are a private secret for each object. In some mail configurations, they help us ensure that inbound mail is authentic: when we send you mail, the "Reply-To" is "T123+456+abcdef".

  - The `T123` is the object you're actually replying to.
  - The `456` is your user ID.
  - The `abcdef` is a hash of your user account with the `mailKey`.

Knowing this hash effectively proves that Phabricator has sent you mail about the object before, i.e. that you legitimately control the account you're sending from. Without this, anyone could send mail to any object "From" someone else, and have comments post under their username.

To generate this hash, we need a stable secret per object. (We can't use properties like the PHID because the secret has to be legitimately secret.)

Today, we store these in `mailKey` properties on the actual objects, and manually generate them. This results in tons and tons and tons of copies of this same ~10 lines of code.

Instead, just store them in the Mail application and generate them on demand. This change also anticipates possibly adding flags like "must encrypt" and "original subject", which are other "durable metadata about mail transmission" properties we may have use cases for eventually.

Test Plan:
  - See next change for additional testing and context.
  - Sent mail about Herald rules (next change); saw mail keys generate cleanly.
  - Destroyed a Herald rule with a mail key, saw the mail properties get nuked.
  - Grepped for `getMailKey()` and converted all callsites I could which aren't the copy/pasted boilerplate present in 50 places.
  - Used `bin/mail receive-test --to T123` to test normal mail receipt of older-style objects and make sure that wasn't broken.

Reviewers: amckinley

Reviewed By: amckinley

Subscribers: PHID-OPKG-gm6ozazyms6q6i22gyam

Maniphest Tasks: T13065

Differential Revision: https://secure.phabricator.com/D19399
2018-04-25 06:46:58 -07:00
epriestley
ffcfc04652 Add some delivery diagnostic headers to outbound mail
Summary:
Fixes T13087. Ref T13090. An install ran into a situation where mail was being double-delivered, and it wasn't immediately clear where in the pipeline the issue lay.

This change adds some headers which should rule out (or, at least, render very unlikely) some possible causes if we encounter similar issues in the future.

The `X-Phabricator-Mail-ID` header stores the ID of the `MetaMTAMail` storage object so we can distinguish between two messages sent to two different targets and one message which may have been split or re-sent. It also makes it easier to know what to `bin/mail show-outbound --id <id>` and where to find the message in the web UI for additional information.

The `X-Phabricator-Send-Attempt` is a unique value per attempt. If two mail messages are delivered with the same attempt value, the split is probably downstream from Phabricator. If they have different attempt values, the split is probably in Phabricator.

(In this case, the split was somewhere downstream from us, since sending mail with `/usr/bin/mail` also resulted in duplicates.)

Test Plan: Send some mail, inspected it with `bin/mail show-outbound --id <id>`, saw new headers with sensible/expected values.

Maniphest Tasks: T13090, T13087

Differential Revision: https://secure.phabricator.com/D19124
2018-02-22 12:47:20 -08:00
epriestley
bfdc9411f7 Provide context objects for remarkup mail rendering, fixing Phriction relative URIs in initial email
Summary:
Fixes T10969. Ref T13077. When you create a Phriction document with a relative link (`[[ ./path/to/page ]]`) the initial email currently points to the wrong place.

This is because the context object (the page) isn't passed to the markup engine. Without this context, the relative link is rendered as though it appeared somewhere else (like a task or revision) where relative links don't make sense.

Test Plan: Created a new Phriction document with a relative link to `[[ ./porcupine_facts/starmap ]]`, saw a usable link in the resulting email.

Maniphest Tasks: T13077, T10969

Differential Revision: https://secure.phabricator.com/D19105
2018-02-16 09:55:04 -08:00
epriestley
6bfd0ff275 Support "encoding", which is required by PHPMailerLite, in SES adapter
Summary: See <https://discourse.phabricator-community.org/t/amazon-ses-adapator-broken-after-upgrade/1121>. The adapter class tree is a mess and this property is read by the parent class.

Test Plan: Configured an SES mailer, used `bin/mail send-test` to reproduce the issue before the patch and observe it working after the patch.

Differential Revision: https://secure.phabricator.com/D19083
2018-02-14 10:57:07 -08:00
epriestley
743f0d65ea Fix a mail stamp issue with blocking reviewers
Summary: Revisions with blocking reviewers had this stamp built incorrectly, which cascaded into trying to use `array()` as a PHID. Recover so these tasks succeed.

Test Plan: Will deploy production.

Differential Revision: https://secure.phabricator.com/D19082
2018-02-13 17:56:21 -08:00
epriestley
4fa99374be Prevent "Call webhooks" Herald action from appearing in UI for adapters which can't fire it
Summary:
See <https://discourse.phabricator-community.org/t/herald-webhook-is-not-called-but-herald-transcript-tells-me-the-opposite/1098>.

The "Commit Hook" events don't operate on objects and don't use TransactionEditors. They can't call webhooks in a normal way and currently don't call webhooks at all. Stop offering these actions in the UI.

The  "Outbound Mail" event also fires oddly and likely doesn't make much sense to hook anyway.

Test Plan: Verified that these events no longer offer "Call webhooks", while normal events still do.

Differential Revision: https://secure.phabricator.com/D19061
2018-02-11 06:15:29 -08:00
epriestley
d47c5de9d0 Fix PHPMailer/SMTP configuration typo for legacy SMTP configurations
Summary: See <https://discourse.phabricator-community.org/t/phpmailer-cannot-read-configuration-value-because-of-typo/1094>.

Test Plan: Browsed a dictionary. (This doesn't get hit when configured via `cluster.mailers`, which is how I previously re-tested SMTP configuration.)

Differential Revision: https://secure.phabricator.com/D19058
2018-02-10 16:06:11 -08:00
epriestley
7d4362690f Fix transposed name/email in Mailgun adapter
Summary: Ref T12677. This argument order was swapped.

Test Plan: Will push/verify.

Maniphest Tasks: T12677

Differential Revision: https://secure.phabricator.com/D19042
2018-02-08 17:49:32 -08:00
epriestley
ab04d2179b Add "Mute/Unmute" for subscribable objects
Summary: Ref T13053. See PHI126. Add an explicit "Mute" action to kill mail and notifications for a particular object.

Test Plan: Muted and umuted an object while interacting with it. Saw mail route appropriately.

Maniphest Tasks: T13053

Differential Revision: https://secure.phabricator.com/D19033
2018-02-08 11:06:22 -08:00
epriestley
6186f0aa91 Briefly document mail stamps and remove obsolete header documentation
Summary: Fixes T10189. Ref T13053. We haven't sent these headers in a very long time. Briefly mention the new stamps header instead, although I expect to integrate stamp documentation into the UI in a more cohesive way in the future.

Test Plan: Read documentation.

Maniphest Tasks: T13053, T10189

Differential Revision: https://secure.phabricator.com/D19030
2018-02-08 09:31:12 -08:00
epriestley
a8f937d313 Only add the Mail "STAMPS" body section if there are stamps
Summary: Ref T13053. Some mail (like push notification mail) doesn't currently generate any stamps. Drop this section if there aren't any stamps on the mail.

Test Plan: Will check push mail in production.

Maniphest Tasks: T13053

Differential Revision: https://secure.phabricator.com/D19028
2018-02-08 09:09:28 -08:00
epriestley
942b17a980 Improve correctness of email address escaping in Mailgun/Postmark
Summary: Ref T13053. Uses the changes in D19026 to escape mail addresses. Those rules may not be right yet, but they're at least all in one place, have test coverage, and aren't obviously incorrect.

Test Plan: Will vet this more extensively when re-testing all mailers.

Maniphest Tasks: T13053

Differential Revision: https://secure.phabricator.com/D19027
2018-02-08 09:02:50 -08:00
epriestley
948b0ceca4 Configure a whitelist of remote addresses for Postmark inbound webhooks
Summary:
Ref T13053. Postmark support recommends testing requests against a whitelist of known remote addresses to determine request authenticity. Today, the list can be found here:

<https://postmarkapp.com/support/article/800-ips-for-firewalls>

This is potentially less robust than, e.g., HMAC verification, since they may need to add new datacenters or support IPv6 or something. Users might also have weird network topologies where everything is proxied, and this makes testing/simulating more difficult.

Allow users to configure the list so that they don't need to hack things apart if Postmark adds a new datacenter or remote addresses are unreliable for some other reason, but ship with safe defaults for today.

Test Plan:
Tried to make local requests, got kicked out. Added `0.0.0.0/0` to the list, stopped getting kicked out.

I don't have a convenient way to route real Postmark traffic to my development laptop with an authentic remote address so I haven't verified that the published remote address is legitimate, but I'll vet that in production when I go through all the other mailers.

Maniphest Tasks: T13053

Differential Revision: https://secure.phabricator.com/D19025
2018-02-08 08:23:14 -08:00
epriestley
1cd3a59378 When users resign from revisions, stop expanding projects/packages to include them
Summary:
Depends on D19019. Ref T13053. Fixes T12689. See PHI178.

Currently, if `@alice` resigns from a revision but `#alice-fan-club` is still a subscriber or reviewer, she'll continue to get mail. This is undesirable.

When users are associated with an object but have explicitly disengaged in an individal role (currently, only resign in audit/differential) mark them "unexpandable", so that they can no longer be included through implicit membership in a group (a project or package).

`@alice` can still get mail if she's a explicit recipient: as an author, owner, or if she adds herself back as a subscriber.

Test Plan:
  - Added `@ducker` and `#users-named-ducker` as reviewers. Ducker got mail.
  - Resigned as ducker, stopped getting future mail.
  - Subscribed explicitly, got mail again.
  - (Plus some `var_dump()` sanity checking in the internals.)

Reviewers: amckinley

Maniphest Tasks: T13053, T12689

Differential Revision: https://secure.phabricator.com/D19021
2018-02-08 06:29:13 -08:00
epriestley
dbe479f0d9 Don't send error/exception mail to unverified addresses
Summary:
Depends on D19017. Fixes T12491. Ref T13053. After SES threw us in the dungeon for sending mail to a spamtrap we changed outbound mail rules to stop sending to unverified addresses, except a small amount of registration mail which we can't avoid.

However, we'll still reply to random inbound messages with a helpful error, even if the sender is unverified.

Instead, only send exception mail back if we know who the sender is.

Test Plan: Processed inbound mail with `scripts/mail/mail_handler.php`. No more outbound mail for "bad address", etc. Still got outbound mail for "unknown command !quack".

Reviewers: amckinley

Maniphest Tasks: T13053, T12491

Differential Revision: https://secure.phabricator.com/D19018
2018-02-08 06:26:16 -08:00
epriestley
5792032dc9 Support Postmark inbound mail via webhook
Summary: Depends on D19016. Ref T13053. Adds a listener for the Postmark webhook.

Test Plan:
Processed some test mail locally, at least:

{F5416053}

Reviewers: amckinley

Maniphest Tasks: T13053

Differential Revision: https://secure.phabricator.com/D19017
2018-02-08 06:25:26 -08:00
epriestley
0986c7f673 Add a "View Object" button on the web mail view page
Summary:
Depends on D19015. Ref T13053. Currently, we don't link up hyperlinks in the body of mail viewed in the web UI. We should, but this is a little tricky (see T13053#235074).

As a general improvement to make working with "Must Encrypt" mail less painful, add a big button to jump to the related object.

Test Plan: {F5415990}

Reviewers: amckinley

Maniphest Tasks: T13053

Differential Revision: https://secure.phabricator.com/D19016
2018-02-08 06:24:19 -08:00
epriestley
085221b0d6 In HTML mail, make the text for mail stamps in mail bodies smaller and lighter
Summary: Depends on D19014. Ref T13053.

Test Plan: Used `./bin/mail show-outbound --id <id> --dump-html > out.html && open out.html` to look at HTML mail, saw smaller, lighter stamp text with better spacing.

Reviewers: amckinley

Maniphest Tasks: T13053

Differential Revision: https://secure.phabricator.com/D19015
2018-02-08 06:23:37 -08:00
epriestley
f090fa7426 Use object PHIDs for "Thread-Topic" headers in mail
Summary:
Depends on D19009. Ref T13053. For "Must Encrypt" mail, we must currently strip the "Thread-Topic" header because it sometimes contains sensitive information about the object.

I don't actually know if this header is useful or anyting uses it. My understanding is that it's an Outlook/Exchange thing, but we also implement "Thread-Index" which I think is what Outlook/Exchange actually look at. This header may have done something before we implemented "Thread-Index", or maybe never done anything. Or maybe older versions of Excel/Outlook did something with it and newer versions don't, or do less. So it's possible that an even better fix here would be to simply remove this, but I wasn't able to convince myself of that after Googling for 10 minutes and I don't think it's worth hours of installing Exchange/Outlook to figure out. Instead, I'm just trying to simplify our handling of this header for now, and maybe some day we'll learn more about Exchange/Outlook and can remove it.

In a number of cases we already use the object monogram or PHID as a "Thread-Topic" without users ever complaining, so I think that if this header is useful it probably isn't shown to users, or isn't shown very often (e.g., only in a specific "conversation" sub-view?). Just use the object PHID (which should be unique and stable) as a thread-topic, everywhere, automatically.

Then allow this header through for "Must Encrypt" mail.

Test Plan: Processed some local mail, saw object PHIDs for "Thread-Topic" headers.

Reviewers: amckinley

Maniphest Tasks: T13053

Differential Revision: https://secure.phabricator.com/D19012
2018-02-08 06:21:00 -08:00
epriestley
19b3fb8863 Add a Postmark mail adapter so it can be configured as an outbound mailer
Summary: Depends on D19007. Ref T12677.

Test Plan: Used `bin/mail send-test ... --mailer postmark` to deliver some mail via Postmark.

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T12677

Differential Revision: https://secure.phabricator.com/D19009
2018-02-08 06:18:23 -08:00
epriestley
1f53aa27e4 Add unit tests for mail failover behaviors when multiple mailers are configured
Summary: Depends on D19006. Ref T13053. Ref T12677. When multiple mailers are configured but one or more fail, test that we recover (or don't) appropriately.

Test Plan: Ran unit tests.

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T13053, T12677

Differential Revision: https://secure.phabricator.com/D19007
2018-02-08 06:17:49 -08:00
epriestley
9947eee182 Add some test coverage for mailers configuration
Summary: Depends on D19005. Ref T12677. Ref T13053. Tests that turning `cluster.mailers` into an actual list of mailers more or less works as expected.

Test Plan: Ran unit tests.

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T13053, T12677

Differential Revision: https://secure.phabricator.com/D19006
2018-02-08 06:17:19 -08:00
epriestley
994d2e8e15 Use "cluster.mailers" if it is configured
Summary:
Depends on D19004. Ref T13053. Ref T12677. If the new `cluster.mailers` is configured, make use of it. Also use it in the Sengrid/Mailgun inbound stuff.

Also fix a bug where "Must Encrypt" mail to no recipients could fatal because no `$mail` was returned.

Test Plan: Processed some mail locally. The testing on this is still pretty flimsy, but I plan to solidify it in an upcoming change.

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T13053, T12677

Differential Revision: https://secure.phabricator.com/D19005
2018-02-08 06:12:54 -08:00
epriestley
c868ee9c07 Introduce and document a new cluster.mailers option for configuring multiple mailers
Summary:
Depends on D19002. Ref T13053. Ref T12677. Adds a new option to allow configuration of multiple mailers.

Nothing actually uses this yet.

Test Plan: Tried to set it to various bad values, got reasonable error messages. Read documentation.

Reviewers: amckinley

Maniphest Tasks: T13053, T12677

Differential Revision: https://secure.phabricator.com/D19003
2018-02-08 06:08:34 -08:00
epriestley
7f2c90fbd1 Prepare for multiple mailers of the same type
Summary:
Depends on D19000. Ref T13053. Ref T12677. Currently, most mailers are configured with a bunch of `<mailer>.setting-name` global config options.

This means that you can't configure two different SMTP servers, which is a reasonable thing to want to do in the brave new world of mail failover.

It also means you can't configure two Mailgun accounts or two SES accounts. Although this might seem a little silly, we've had more service disruptions because of policy issues / administrative error (where a particular account was disabled) than actual downtime, so maybe it's not completely ridiculous.

Realign mailers so they can take configuration directly in an explicit way. A later change will add new configuration to take advantage of this and let us move away from having ~10 global options for this stuff eventually.

(This also makes writing third-party mailers easier.)

Test Plan:
Processed some mail, ran existing unit tests. But I wasn't especially thorough.

I expect later changes to provide some tools to make this more testable, so I'll vet each provider more thoroughly and add coverage for multiple mailers after that stuff is ready.

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T13053, T12677

Differential Revision: https://secure.phabricator.com/D19002
2018-02-08 06:00:59 -08:00
epriestley
7765299f83 Mask the sender for "Must Encrypt" mail
Summary:
Depends on D18998. Ref T13053. When we send "Must Encrypt" mail, we currently send it with a normal "From" address.

This discloses a little information about the object (for example, if the Director of Silly Walks is interacting with a "must encrypt" object, the vulnerability is probably related to Silly Walks), so anonymize who is interacting with the object.

Test Plan: Processed some mail. (The actual final "From" is ephemeral and a little tricky to examine and I didn't actually transmit mail over the network, but it should be obvious if this works or not on `secure`.)

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T13053

Differential Revision: https://secure.phabricator.com/D19000
2018-02-08 05:59:35 -08:00
epriestley
1485debcbd Prepare mail transmission to support failover across multiple mailers
Summary:
Ref T13053. Ref T12677. This restructures the calls and error handling logic so that we can pass in a list of multiple mailers and get retry logic.

This doesn't actually ever use multiple mailers yet, and shouldn't change any behavior. I'll add multiple-mailer coverage a little further in, since there's currently no way to effectively test which of several mailers ended up transmitting a message.

Test Plan:
  - This has test coverage; tests still pass.
  - Poked around locally doing things that send mail, saw mail appear to send. I'm not attached to a real mailer though so my confidence in local testing is only so-so.

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T13053, T12677

Differential Revision: https://secure.phabricator.com/D18998
2018-02-08 05:49:06 -08:00
epriestley
1bf64e5cbc Add Differential and Herald mail stamps and some refinements
Summary:
Ref T13053. Adds revision stamps (status, reviewers, etc). Adds Herald rule stamps, like the existing X-Herald-Rules header.

Removes the "self" stamps, since you can just write a rule against `whatever(@epriestley)` equivalently. If there's routing logic around this, it can live in the routing layer. This avoids tons of self-actor, self-mention, self-reviewer, self-blocking-reviewer, self-resigned-reviewer, etc., stamps.

Use `natcasesort()` instead of `sort()` so that numeric values (like monograms) sort `9, 80, 700` instead of `700, 80, 9`.

Remove the commas from rendering since they don't really add anything.

Test Plan: Edited tasks and revisions, looked at mail stamps, saw stamps that looked pretty reasonable (with no more self stuff, no more commas, sorting numbers, and Herald stamps).

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T13053

Differential Revision: https://secure.phabricator.com/D18997
2018-02-06 04:06:07 -08:00
epriestley
3131e733a8 Add Editor-based mail stamps: actor, via, silent, encrypted, new, mention, self-actor, self-mention
Summary: Ref T13053. Adds more mail tags with information available on the Editor object.

Test Plan: Banged around in Maniphest, viewed the resulting mail, all the stamps seemed to align with reality.

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T13053

Differential Revision: https://secure.phabricator.com/D18995
2018-02-06 04:04:52 -08:00
epriestley
9de54aedb5 Remove inconsistent and confusing use of the term "multiplex" in mail
Summary:
Ref T13053. Because I previously misunderstood what "multiplex" means, I used it in various contradictory and inconsistent ways.

We can send mail in two ways: either one mail to everyone with a big "To" and a big "Cc" (not default; better for mailing lists) or one mail to each recipient with just them in "To" (default; better for almost everything else).

"Multiplexing" is combining multiple signals over a single channel, so it more accurately describes the big to/cc. However, it is sometimes used to descibe the other approach. Since it's ambiguous and I've tainted it through misuse, get rid of it and use more clear language.

(There's still some likely misuse in the SMS stuff, and a couple of legitimate uses in other contexts.)

Test Plan: Grepped for `multiplex`, saw less of it.

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T13053

Differential Revision: https://secure.phabricator.com/D18994
2018-02-06 04:04:34 -08:00
epriestley
c3f95bc410 Add basic support for mail "stamps" to improve client mail routing
Summary:
Ref T10448. Currently, we use "mail tags" (in {nav Settings > Email Preferences})  to give users some ability to route mail. There are a number of major issues with this:

  - It isn't modular and can't be extended by third-party applications.
  - The UI is a giant mess of 5,000 individual settings.
  - Settings don't map clearly to actual edits.
  - A lot of stuff isn't covered by any setting.

This adds a new system, called "mail stamps", which is similar to "mail tags" but tries to fix all these problems.

I called these "stamps" because: stamps make sense with mail; we can't throw away the old system just yet and need to keep it around for a bit; we don't use this term for anything else; it avoids confusion with project tags.

(Conceptually, imagine these as ink stamps like "RETURN TO SENDER" or "FRAGILE", not actual postage stamps.)

The only real "trick" here is that later versions of this will need to enumerate possible stamps for an object and maybe all possible stamps for all objects in the system. This is why stamp generation is separated into a "template" phase and a "value" phase. In future changes, the "template" phase can be used on its own to generate documentation and typeaheads and let users build rules. This may need some more refinement before it really works since I haven't built any of that yet.

Also adds a preference for getting stamps in the header only (default) or header and body (better for Gmail, which can't route based on headers).

Test Plan:
Fiddled with preference, sent some mail and saw a "STAMPS" setting in the body and an "X-Phabricator-Stamps" header.

{F5411694}

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T10448

Differential Revision: https://secure.phabricator.com/D18991
2018-02-06 04:04:13 -08:00
epriestley
55f7cdb99b Fix a bad classname reference in the "Must Encrypt" action 2018-02-02 14:57:25 -08:00
epriestley
6d90c7ad92 Save mail attachments in Files, not on the actual objects
Summary:
Depends on D18985. Ref T13053. See PHI125. Currently, mail attachments are just encoded onto the actual objects in the `MetaMTAMail` table.

This fails if attachments can't be encoded in JSON -- e.g., they aren't UTF8. This happens most often when revisions or commits attach patches to mail and those patches contain source code changes for files that are not encoded in UTF8.

Instead, save attachments in (and load attachments from) Files.

Test Plan: Enabled patches for mail, created a revision, saw it attach a patch. Viewed mail in web UI, saw link to download patch. Followed link, saw sensible file. Checked database, saw a `filePHID`. Destroyed mail with `bin/remove destroy`, saw attached files also destroyed.

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T13053

Differential Revision: https://secure.phabricator.com/D18986
2018-02-02 14:38:08 -08:00
epriestley
eb06aca951 Support DestructionEngine in MetaMTAMail
Summary:
Depends on D18984. Ref T13053. See D13408 for the original change and why this doesn't use DestructionEngine right now. The quick version is:

  - It causes us to write a destruction log, which is slightly silly (we're deleting one thing and creating another).
  - It's a little bit slower than not using DestructionEngine.

However, it gets us some stuff for free that's likely relevant now (e.g., Herald Transcript cleanup) and I'm planning to move attachments to Files, but want to be able to delete them when mail is destroyed.

The destruction log is a touch silly, but those records are very small and that log gets GC'd later without generating new logs. We could silence the log from the GC if it's ever an issue.

Test Plan: Used `bin/remove destroy` and `bin/garbage collect --collector mail.sent` to destroy mail and collect garbage.

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T13053

Differential Revision: https://secure.phabricator.com/D18985
2018-02-02 14:37:33 -08:00
epriestley
cbe4e68c07 Add a Herald action to trigger "Must Encrypt" for mail
Summary: Depends on D18983. Ref T13053. Adds a new Herald action to activate the "must encrypt" flag and drop mail content.

Test Plan:
  - Created a new Herald rule:

{F5407075}

  - Created a "dog task" (woof woof, unsecure) and a "duck task" (quack quack, secure).
  - Viewed mail for both in `bin/mail` and web UI, saw appropriate security/encryption behavior.
  - Viewed "Must Encrypt" in "Headers" tab for the duck mail, saw why the mail was encrypted (link to Herald rule).

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T13053

Differential Revision: https://secure.phabricator.com/D18984
2018-02-02 14:35:26 -08:00
epriestley
7b2b5cd91e Add basic support for a "Must Encrypt" mail flag which prevents unsecured content transmission
Summary:
Ref T13053. See PHI291. For particularly sensitive objects (like security issues), installs may reasonably wish to prevent details from being sent in plaintext over email.

This adds a "Must Encrypt" mail behavior, which discards mail content and all identifying details, replacing it with a link to the `/mail/` application. Users can follow the link to view the message over HTTPS.

The flag discards body content, attachments, and headers which imply things about the content of the object. It retains threading headers and headers which may uniquely identify the object as long as they don't disclose anyting about the content.

The `bin/mail list-outbound` command now flags these messages with a `#` mark.

The `bin/mail show-outbound` command now shows sent/suppressed headers and the body content as delivered (if it differs from the original body content).

The `/mail/` web UI now shows a tag for messages marked with this flag.

For now, there is no way to actually set this flag on mail.

Test Plan:
  - Forced this flag on, made comments and took actions to send mail.
  - Reviewed mail with `bin/mail` and `/mail/` in the web UI, saw all content information omitted.

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T13053

Differential Revision: https://secure.phabricator.com/D18983
2018-02-02 14:34:34 -08:00
epriestley
a90b16e83a Define available Herald rule repetition options in terms of "isSingleEventAdapter()"
Summary:
Depends on D18924. Ref T13048. Each adapter defines which repetition options ("every time", "only the first time") users may select for rules.

Currently, this is all explicit and hard-coded. However, every adapter really just implements this rule (except for some bugs, see below):

> You can pick "only the first time" if this adapter fires more than once on the same object.

Since we already have a `isSingleEventAdapter()` method which lets us tell if an adapter fires more than once, just write this rule in the base class and delete all the copy/pasting.

This also fixes two bugs because of the copy/pasting: Pholio Mocks and Phriction Documents did not allow you to write "only the first time" rules. There's no reason for this, they just didn't copy/paste enough methods when they were implemented.

This will make a future diff (which introduces an "if the rule did not match last time" policy) cleaner.

Test Plan:
  - Checked several different types of rules, saw appropriate options in the dropdown (pre-commit: no options; tasks: first or every).
  - Checked mocks and wiki docs, saw that you can now write "only the first time" rules.

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T13048

Differential Revision: https://secure.phabricator.com/D18925
2018-01-26 11:02:35 -08:00
epriestley
f7f3dd5b20 Don't run Herald build and mail rules when they don't make sense
Summary:
Ref T2543. Fixes T10109.

Currently, Herald only runs in Differential when a change updates the diff. This is partly for historical reasons, and partly because we don't want to restart builds every time someone makes a comment. However, this behavior is inconsistent with other applications (which always trigger on any change), and occasionally confusing to users (in T10109, for example) or otherwise undesirable.

A similar issue is that T2543 has introduced a "Draft" state, where revisions don't send normal mail until builds finish. This interacts poorly with "Send me an email" rules (which shouldn't do anything here) and particularly with "Send me an email + only run these actions the first time the rule matches", since that might have an effect like "do nothing when the revision is created, then never anything again since you already did nothing once".

To navigate both of these issues, let objects tell Herald that certain actions (like mail or builds) are currently forbidden. If a rule uses a field or action which is currently forbidden, the whole rule automatically fails before it executes, but doesn't count toward "only the first time" as far as Herald's tracking of rule execution is concerned.

Then, forbid mail for draft revisions, and forbid builds for revisions which didn't just get updated. Forbidding mail fixes the issues with "Send me an email" that were created by the introduction of the draft state.

Finally, make Herald run on every revision update, not just substantive updates to the diff. This resolves T10109.

Test Plan:
Created revisions via the draft -> submit workflow, saw different transcripts. Here's a mail action being forbidden for a draft:

{F5237324}

Here's a build action being forbidden for a "mundane" update:

{F5237326}

Reviewers: amckinley

Reviewed By: amckinley

Subscribers: PHID-OPKG-gm6ozazyms6q6i22gyam

Maniphest Tasks: T10109, T2543

Differential Revision: https://secure.phabricator.com/D18731
2017-10-27 08:44:12 -07:00
Dmitri Iouchtchenko
9bd6a37055 Fix spelling
Summary: Noticed a couple of typos in the docs, and then things got out of hand.

Test Plan:
  - Stared at the words until my eyes watered and the letters began to swim on the screen.
  - Consulted a dictionary.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: epriestley, yelirekim, PHID-OPKG-gm6ozazyms6q6i22gyam

Differential Revision: https://secure.phabricator.com/D18693
2017-10-09 10:48:04 -07:00
epriestley
3d70db9eb5 Queue a worker task to send mail only after committing the mail transaction
Summary:
Fixes T12844. This code is misleading: the daemon insert is happening on a different connection, and is not inside the transaction on the Mail connection.

What actually happens is this:

  - (Connection A) `BEGIN`
  - (Connection A) `INSERT INTO mail ...`
  - (Connection B) `INSERT INTO worker ...` <-- This is a different connection, and it is NOT in a transaction!
  - There's a race window here: the worker row is globally visible but the mail row is still isolated inside the transaction.
  - (Connection A) `COMMIT`
  - Now we're clear: the mail row is globally visible.

Change this code to reflect what's actually happening.

This means that if the worker row insert fails for some reason, we'll now throw with a mail row written to the database. But this is fine: it doesn't send on its own (so it can't cause mail loops or anything) and it can be re-queued with `bin/mail resend` if necessary without too much trouble.

Test Plan: See T12844 for particulars. Made some comments on tasks, saw the daemons send mail.

Reviewers: chad, amckinley, jmeador

Reviewed By: jmeador

Maniphest Tasks: T12844

Differential Revision: https://secure.phabricator.com/D18124
2017-06-14 12:27:00 -07:00