PhabricatorMetaMTAMail.php
39e1dd160145stable

PhabricatorMetaMTAMail.php
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			<?php

			/**
			* @task recipients Managing Recipients
			*/
			final class PhabricatorMetaMTAMail
			extends PhabricatorMetaMTADAO
			implements
			PhabricatorPolicyInterface,
			PhabricatorDestructibleInterface {

			const RETRY_DELAY = 5;

			protected $actorPHID;
			protected $parameters = array();
			protected $status;
			protected $message;
			protected $relatedPHID;

			private $recipientExpansionMap;
			private $routingMap;

			public function __construct() {

			$this->status = PhabricatorMailOutboundStatus::STATUS_QUEUE;
			$this->parameters = array(
			'sensitive' => true,
			'mustEncrypt' => false,
			);

			parent::__construct();
			}

			protected function getConfiguration() {
			return array(
			self::CONFIG_AUX_PHID => true,
			self::CONFIG_SERIALIZATION => array(
			'parameters' => self::SERIALIZATION_JSON,
			),
			self::CONFIG_COLUMN_SCHEMA => array(
			'actorPHID' => 'phid?',
			'status' => 'text32',
			'relatedPHID' => 'phid?',

			// T6203/NULLABILITY
			// This should just be empty if there's no body.
			'message' => 'text?',
			),
			self::CONFIG_KEY_SCHEMA => array(
			'status' => array(
			'columns' => array('status'),
			),
			'key_actorPHID' => array(
			'columns' => array('actorPHID'),
			),
			'relatedPHID' => array(
			'columns' => array('relatedPHID'),
			),
			'key_created' => array(
			'columns' => array('dateCreated'),
			),
			),
			) + parent::getConfiguration();
			}

			public function generatePHID() {
			return PhabricatorPHID::generateNewPHID(
			PhabricatorMetaMTAMailPHIDType::TYPECONST);
			}

			protected function setParam($param, $value) {
			$this->parameters[$param] = $value;
			return $this;
			}

			protected function getParam($param, $default = null) {
			// Some old mail was saved without parameters because no parameters were
			// set or encoding failed. Recover in these cases so we can perform
			// mail migrations, see T9251.
			if (!is_array($this->parameters)) {
			$this->parameters = array();
			}

			return idx($this->parameters, $param, $default);
			}

			/**
			* These tags are used to allow users to opt out of receiving certain types
			* of mail, like updates when a task's projects change.
			*
			* @param list<const>
			* @return this
			*/
			public function setMailTags(array $tags) {
			$this->setParam('mailtags', array_unique($tags));
			return $this;
			}

			public function getMailTags() {
			return $this->getParam('mailtags', array());
			}

			/**
			* In Gmail, conversations will be broken if you reply to a thread and the
			* server sends back a response without referencing your Message-ID, even if
			* it references a Message-ID earlier in the thread. To avoid this, use the
			* parent email's message ID explicitly if it's available. This overwrites the
			* "In-Reply-To" and "References" headers we would otherwise generate. This
			* needs to be set whenever an action is triggered by an email message. See
			* T251 for more details.
			*
			* @param string The "Message-ID" of the email which precedes this one.
			* @return this
			*/
			public function setParentMessageID($id) {
			$this->setParam('parent-message-id', $id);
			return $this;
			}

			public function getParentMessageID() {
			return $this->getParam('parent-message-id');
			}

			public function getSubject() {
			return $this->getParam('subject');
			}

			public function addTos(array $phids) {
			$phids = array_unique($phids);
			$this->setParam('to', $phids);
			return $this;
			}

			public function addRawTos(array $raw_email) {

			// Strip addresses down to bare emails, since the MailAdapter API currently
			// requires we pass it just the address (like `alincoln@logcabin.org`), not
			// a full string like `"Abraham Lincoln" <alincoln@logcabin.org>`.
			foreach ($raw_email as $key => $email) {
			$object = new PhutilEmailAddress($email);
			$raw_email[$key] = $object->getAddress();
			}

			$this->setParam('raw-to', $raw_email);
			return $this;
			}

			public function addCCs(array $phids) {
			$phids = array_unique($phids);
			$this->setParam('cc', $phids);
			return $this;
			}

			public function setExcludeMailRecipientPHIDs(array $exclude) {
			$this->setParam('exclude', $exclude);
			return $this;
			}

			private function getExcludeMailRecipientPHIDs() {
			return $this->getParam('exclude', array());
			}

			public function setMutedPHIDs(array $muted) {
			$this->setParam('muted', $muted);
			return $this;
			}

			private function getMutedPHIDs() {
			return $this->getParam('muted', array());
			}

			public function setForceHeraldMailRecipientPHIDs(array $force) {
			$this->setParam('herald-force-recipients', $force);
			return $this;
			}

			private function getForceHeraldMailRecipientPHIDs() {
			return $this->getParam('herald-force-recipients', array());
			}

			public function addPHIDHeaders($name, array $phids) {
			$phids = array_unique($phids);
			foreach ($phids as $phid) {
			$this->addHeader($name, '<'.$phid.'>');
			}
			return $this;
			}

			public function addHeader($name, $value) {
			$this->parameters['headers'][] = array($name, $value);
			return $this;
			}

			public function getHeaders() {
			return $this->getParam('headers', array());
			}

			public function addAttachment(PhabricatorMailAttachment $attachment) {
			$this->parameters['attachments'][] = $attachment->toDictionary();
			return $this;
			}

			public function getAttachments() {
			$dicts = $this->getParam('attachments', array());

			$result = array();
			foreach ($dicts as $dict) {
			$result[] = PhabricatorMailAttachment::newFromDictionary($dict);
			}
			return $result;
			}

			public function getAttachmentFilePHIDs() {
			$file_phids = array();

			$dictionaries = $this->getParam('attachments');
			if ($dictionaries) {
			foreach ($dictionaries as $dictionary) {
			$file_phid = idx($dictionary, 'filePHID');
			if ($file_phid) {
			$file_phids[] = $file_phid;
			}
			}
			}

			return $file_phids;
			}

			public function loadAttachedFiles(PhabricatorUser $viewer) {
			$file_phids = $this->getAttachmentFilePHIDs();

			if (!$file_phids) {
			return array();
			}

			return id(new PhabricatorFileQuery())
			->setViewer($viewer)
			->withPHIDs($file_phids)
			->execute();
			}

			public function setAttachments(array $attachments) {
			assert_instances_of($attachments, 'PhabricatorMailAttachment');
			$this->setParam('attachments', mpull($attachments, 'toDictionary'));
			return $this;
			}

			public function setFrom($from) {
			$this->setParam('from', $from);
			$this->setActorPHID($from);
			return $this;
			}

			public function getFrom() {
			return $this->getParam('from');
			}

			public function setRawFrom($raw_email, $raw_name) {
			$this->setParam('raw-from', array($raw_email, $raw_name));
			return $this;
			}

			public function getRawFrom() {
			return $this->getParam('raw-from');
			}

			public function setReplyTo($reply_to) {
			$this->setParam('reply-to', $reply_to);
			return $this;
			}

			public function getReplyTo() {
			return $this->getParam('reply-to');
			}

			public function setSubject($subject) {
			$this->setParam('subject', $subject);
			return $this;
			}

			public function setSubjectPrefix($prefix) {
			$this->setParam('subject-prefix', $prefix);
			return $this;
			}

			public function getSubjectPrefix() {
			return $this->getParam('subject-prefix');
			}

			public function setVarySubjectPrefix($prefix) {
			$this->setParam('vary-subject-prefix', $prefix);
			return $this;
			}

			public function getVarySubjectPrefix() {
			return $this->getParam('vary-subject-prefix');
			}

			public function setBody($body) {
			$this->setParam('body', $body);
			return $this;
			}

			public function setSensitiveContent($bool) {
			$this->setParam('sensitive', $bool);
			return $this;
			}

			public function hasSensitiveContent() {
			return $this->getParam('sensitive', true);
			}

			public function setMustEncrypt($bool) {
			return $this->setParam('mustEncrypt', $bool);
			}

			public function getMustEncrypt() {
			return $this->getParam('mustEncrypt', false);
			}

			public function setMustEncryptURI($uri) {
			return $this->setParam('mustEncrypt.uri', $uri);
			}

			public function getMustEncryptURI() {
			return $this->getParam('mustEncrypt.uri');
			}

			public function setMustEncryptSubject($subject) {
			return $this->setParam('mustEncrypt.subject', $subject);
			}

			public function getMustEncryptSubject() {
			return $this->getParam('mustEncrypt.subject');
			}

			public function setMustEncryptReasons(array $reasons) {
			return $this->setParam('mustEncryptReasons', $reasons);
			}

			public function getMustEncryptReasons() {
			return $this->getParam('mustEncryptReasons', array());
			}

			public function setMailStamps(array $stamps) {
			return $this->setParam('stamps', $stamps);
			}

			public function getMailStamps() {
			return $this->getParam('stamps', array());
			}

			public function setMailStampMetadata($metadata) {
			return $this->setParam('stampMetadata', $metadata);
			}

			public function getMailStampMetadata() {
			return $this->getParam('stampMetadata', array());
			}

			public function getMailerKey() {
			return $this->getParam('mailer.key');
			}

			public function setTryMailers(array $mailers) {
			return $this->setParam('mailers.try', $mailers);
			}

			public function setHTMLBody($html) {
			$this->setParam('html-body', $html);
			return $this;
			}

			public function getBody() {
			return $this->getParam('body');
			}

			public function getHTMLBody() {
			return $this->getParam('html-body');
			}

			public function setIsErrorEmail($is_error) {
			$this->setParam('is-error', $is_error);
			return $this;
			}

			public function getIsErrorEmail() {
			return $this->getParam('is-error', false);
			}

			public function getToPHIDs() {
			return $this->getParam('to', array());
			}

			public function getRawToAddresses() {
			return $this->getParam('raw-to', array());
			}

			public function getCcPHIDs() {
			return $this->getParam('cc', array());
			}

			public function setMessageType($message_type) {
			return $this->setParam('message.type', $message_type);
			}

			public function getMessageType() {
			return $this->getParam(
			'message.type',
			PhabricatorMailEmailMessage::MESSAGETYPE);
			}



			/**
			* Force delivery of a message, even if recipients have preferences which
			* would otherwise drop the message.
			*
			* This is primarily intended to let users who don't want any email still
			* receive things like password resets.
			*
			* @param bool True to force delivery despite user preferences.
			* @return this
			*/
			public function setForceDelivery($force) {
			$this->setParam('force', $force);
			return $this;
			}

			public function getForceDelivery() {
			return $this->getParam('force', false);
			}

			/**
			* Flag that this is an auto-generated bulk message and should have bulk
			* headers added to it if appropriate. Broadly, this means some flavor of
			* "Precedence: bulk" or similar, but is implementation and configuration
			* dependent.
			*
			* @param bool True if the mail is automated bulk mail.
			* @return this
			*/
			public function setIsBulk($is_bulk) {
			$this->setParam('is-bulk', $is_bulk);
			return $this;
			}

			public function getIsBulk() {
			return $this->getParam('is-bulk');
			}

			/**
			* Use this method to set an ID used for message threading. MetaMTA will
			* set appropriate headers (Message-ID, In-Reply-To, References and
			* Thread-Index) based on the capabilities of the underlying mailer.
			*
			* @param string Unique identifier, appropriate for use in a Message-ID,
			* In-Reply-To or References headers.
			* @param bool If true, indicates this is the first message in the thread.
			* @return this
			*/
			public function setThreadID($thread_id, $is_first_message = false) {
			$this->setParam('thread-id', $thread_id);
			$this->setParam('is-first-message', $is_first_message);
			return $this;
			}

			public function getThreadID() {
			return $this->getParam('thread-id');
			}

			public function getIsFirstMessage() {
			return (bool)$this->getParam('is-first-message');
			}

			/**
			* Save a newly created mail to the database. The mail will eventually be
			* delivered by the MetaMTA daemon.
			*
			* @return this
			*/
			public function saveAndSend() {
			return $this->save();
			}

			/**
			* @return this
			*/
			public function save() {
			if ($this->getID()) {
			return parent::save();
			}

			// NOTE: When mail is sent from CLI scripts that run tasks in-process, we
			// may re-enter this method from within scheduleTask(). The implementation
			// is intended to avoid anything awkward if we end up reentering this
			// method.

			$this->openTransaction();
			// Save to generate a mail ID and PHID.
			$result = parent::save();

			// Write the recipient edges.
			$editor = new PhabricatorEdgeEditor();
			$edge_type = PhabricatorMetaMTAMailHasRecipientEdgeType::EDGECONST;
			$recipient_phids = array_merge(
			$this->getToPHIDs(),
			$this->getCcPHIDs());
			$expanded_phids = $this->expandRecipients($recipient_phids);
			$all_phids = array_unique(array_merge(
			$recipient_phids,
			$expanded_phids));
			foreach ($all_phids as $curr_phid) {
			$editor->addEdge($this->getPHID(), $edge_type, $curr_phid);
			}
			$editor->save();

			$this->saveTransaction();

			// Queue a task to send this mail.
			$mailer_task = PhabricatorWorker::scheduleTask(
			'PhabricatorMetaMTAWorker',
			$this->getID(),
			array(
			'priority' => PhabricatorWorker::PRIORITY_ALERTS,
			));

			return $result;
			}

			/**
			* Attempt to deliver an email immediately, in this process.
			*
			* @return void
			*/
			public function sendNow() {
			if ($this->getStatus() != PhabricatorMailOutboundStatus::STATUS_QUEUE) {
			throw new Exception(pht('Trying to send an already-sent mail!'));
			}

			$mailers = self::newMailers(
			array(
			'outbound' => true,
			'media' => array(
			$this->getMessageType(),
			),
			));

			$try_mailers = $this->getParam('mailers.try');
			if ($try_mailers) {
			$mailers = mpull($mailers, null, 'getKey');
			$mailers = array_select_keys($mailers, $try_mailers);
			}

			return $this->sendWithMailers($mailers);
			}

			public static function newMailers(array $constraints) {
			PhutilTypeSpec::checkMap(
			$constraints,
			array(
			'types' => 'optional list<string>',
			'inbound' => 'optional bool',
			'outbound' => 'optional bool',
			'media' => 'optional list<string>',
			));

			$mailers = array();

			$config = PhabricatorEnv::getEnvConfig('cluster.mailers');

			$adapters = PhabricatorMailAdapter::getAllAdapters();
			$next_priority = -1;

			foreach ($config as $spec) {
			$type = $spec['type'];
			if (!isset($adapters[$type])) {
			throw new Exception(
			pht(
			'Unknown mailer ("%s")!',
			$type));
			}

			$key = $spec['key'];
			$mailer = id(clone $adapters[$type])
			->setKey($key);

			$priority = idx($spec, 'priority');
			if (!$priority) {
			$priority = $next_priority;
			$next_priority--;
			}
			$mailer->setPriority($priority);

			$defaults = $mailer->newDefaultOptions();
			$options = idx($spec, 'options', array()) + $defaults;
			$mailer->setOptions($options);

			$mailer->setSupportsInbound(idx($spec, 'inbound', true));
			$mailer->setSupportsOutbound(idx($spec, 'outbound', true));

			$media = idx($spec, 'media');
			if ($media !== null) {
			$mailer->setMedia($media);
			}

			$mailers[] = $mailer;
			}

			// Remove mailers with the wrong types.
			if (isset($constraints['types'])) {
			$types = $constraints['types'];
			$types = array_fuse($types);
			foreach ($mailers as $key => $mailer) {
			$mailer_type = $mailer->getAdapterType();
			if (!isset($types[$mailer_type])) {
			unset($mailers[$key]);
			}
			}
			}

			// If we're only looking for inbound mailers, remove mailers with inbound
			// support disabled.
			if (!empty($constraints['inbound'])) {
			foreach ($mailers as $key => $mailer) {
			if (!$mailer->getSupportsInbound()) {
			unset($mailers[$key]);
			}
			}
			}

			// If we're only looking for outbound mailers, remove mailers with outbound
			// support disabled.
			if (!empty($constraints['outbound'])) {
			foreach ($mailers as $key => $mailer) {
			if (!$mailer->getSupportsOutbound()) {
			unset($mailers[$key]);
			}
			}
			}

			// Select only the mailers which can transmit messages with requested media
			// types.
			if (!empty($constraints['media'])) {
			foreach ($mailers as $key => $mailer) {
			$supports_any = false;
			foreach ($constraints['media'] as $medium) {
			if ($mailer->supportsMessageType($medium)) {
			$supports_any = true;
			break;
			}
			}

			if (!$supports_any) {
			unset($mailers[$key]);
			}
			}
			}

			$sorted = array();
			$groups = mgroup($mailers, 'getPriority');
			krsort($groups);
			foreach ($groups as $group) {
			// Reorder services within the same priority group randomly.
			shuffle($group);
			foreach ($group as $mailer) {
			$sorted[] = $mailer;
			}
			}

			return $sorted;
			}

			public function sendWithMailers(array $mailers) {
			if (!$mailers) {
			$any_mailers = self::newMailers(array());

			// NOTE: We can end up here with some custom list of "$mailers", like
			// from a unit test. In that case, this message could be misleading. We
			// can't really tell if the caller made up the list, so just assume they
			// aren't tricking us.

			if ($any_mailers) {
			$void_message = pht(
			'No configured mailers support sending outbound mail.');
			} else {
			$void_message = pht(
			'No mailers are configured.');
			}

			return $this
			->setStatus(PhabricatorMailOutboundStatus::STATUS_VOID)
			->setMessage($void_message)
			->save();
			}

			$actors = $this->loadAllActors();

			// If we're sending one mail to everyone, some recipients will be in
			// "Cc" rather than "To". We'll move them to "To" later (or supply a
			// dummy "To") but need to look for the recipient in either the
			// "To" or "Cc" fields here.
			$target_phid = head($this->getToPHIDs());
			if (!$target_phid) {
			$target_phid = head($this->getCcPHIDs());
			}
			$preferences = $this->loadPreferences($target_phid);

			// Attach any files we're about to send to this message, so the recipients
			// can view them.
			$viewer = PhabricatorUser::getOmnipotentUser();
			$files = $this->loadAttachedFiles($viewer);
			foreach ($files as $file) {
			$file->attachToObject($this->getPHID());
			}

			$type_map = PhabricatorMailExternalMessage::getAllMessageTypes();
			$type = idx($type_map, $this->getMessageType());
			if (!$type) {
			throw new Exception(
			pht(
			'Unable to send message with unknown message type "%s".',
			$type));
			}

			$exceptions = array();
			foreach ($mailers as $mailer) {
			try {
			$message = $type->newMailMessageEngine()
			->setMailer($mailer)
			->setMail($this)
			->setActors($actors)
			->setPreferences($preferences)
			->newMessage($mailer);
			} catch (Exception $ex) {
			$exceptions[] = $ex;
			continue;
			}

			if (!$message) {
			// If we don't get a message back, that means the mail doesn't actually
			// need to be sent (for example, because recipients have declined to
			// receive the mail). Void it and return.
			return $this
			->setStatus(PhabricatorMailOutboundStatus::STATUS_VOID)
			->save();
			}

			try {
			$mailer->sendMessage($message);
			} catch (PhabricatorMetaMTAPermanentFailureException $ex) {
			// If any mailer raises a permanent failure, stop trying to send the
			// mail with other mailers.
			$this
			->setStatus(PhabricatorMailOutboundStatus::STATUS_FAIL)
			->setMessage($ex->getMessage())
			->save();

			throw $ex;
			} catch (Exception $ex) {
			$exceptions[] = $ex;
			continue;
			}

			// Keep track of which mailer actually ended up accepting the message.
			$mailer_key = $mailer->getKey();
			if ($mailer_key !== null) {
			$this->setParam('mailer.key', $mailer_key);
			}

			// Now that we sent the message, store the final deliverability outcomes
			// and reasoning so we can explain why things happened the way they did.
			$actor_list = array();
			foreach ($actors as $actor) {
			$actor_list[$actor->getPHID()] = array(
			'deliverable' => $actor->isDeliverable(),
			'reasons' => $actor->getDeliverabilityReasons(),
			);
			}
			$this->setParam('actors.sent', $actor_list);
			$this->setParam('routing.sent', $this->getParam('routing'));
			$this->setParam('routingmap.sent', $this->getRoutingRuleMap());

			return $this
			->setStatus(PhabricatorMailOutboundStatus::STATUS_SENT)
			->save();
			}

			// If we make it here, no mailer could send the mail but no mailer failed
			// permanently either. We update the error message for the mail, but leave
			// it in the current status (usually, STATUS_QUEUE) and try again later.

			$messages = array();
			foreach ($exceptions as $ex) {
			$messages[] = $ex->getMessage();
			}
			$messages = implode("\n\n", $messages);

			$this
			->setMessage($messages)
			->save();

			if (count($exceptions) === 1) {
			throw head($exceptions);
			}

			throw new PhutilAggregateException(
			pht('Encountered multiple exceptions while transmitting mail.'),
			$exceptions);
			}


			public static function shouldMailEachRecipient() {
			return PhabricatorEnv::getEnvConfig('metamta.one-mail-per-recipient');
			}


			/* -( Managing Recipients )------------------------------------------------ */


			/**
			* Get all of the recipients for this mail, after preference filters are
			* applied. This list has all objects to whom delivery will be attempted.
			*
			* Note that this expands recipients into their members, because delivery
			* is never directly attempted to aggregate actors like projects.
			*
			* @return list<phid> A list of all recipients to whom delivery will be
			* attempted.
			* @task recipients
			*/
			public function buildRecipientList() {
			$actors = $this->loadAllActors();
			$actors = $this->filterDeliverableActors($actors);
			return mpull($actors, 'getPHID');
			}

			public function loadAllActors() {
			$actor_phids = $this->getExpandedRecipientPHIDs();
			return $this->loadActors($actor_phids);
			}

			public function getExpandedRecipientPHIDs() {
			$actor_phids = $this->getAllActorPHIDs();
			return $this->expandRecipients($actor_phids);
			}

			private function getAllActorPHIDs() {
			return array_merge(
			array($this->getParam('from')),
			$this->getToPHIDs(),
			$this->getCcPHIDs());
			}

			/**
			* Expand a list of recipient PHIDs (possibly including aggregate recipients
			* like projects) into a deaggregated list of individual recipient PHIDs.
			* For example, this will expand project PHIDs into a list of the project's
			* members.
			*
			* @param list<phid> List of recipient PHIDs, possibly including aggregate
			* recipients.
			* @return list<phid> Deaggregated list of mailable recipients.
			*/
			public function expandRecipients(array $phids) {
			if ($this->recipientExpansionMap === null) {
			$all_phids = $this->getAllActorPHIDs();
			$this->recipientExpansionMap = id(new PhabricatorMetaMTAMemberQuery())
			->setViewer(PhabricatorUser::getOmnipotentUser())
			->withPHIDs($all_phids)
			->execute();
			}

			$results = array();
			foreach ($phids as $phid) {
			foreach ($this->recipientExpansionMap[$phid] as $recipient_phid) {
			$results[$recipient_phid] = $recipient_phid;
			}
			}

			return array_keys($results);
			}

			private function filterDeliverableActors(array $actors) {
			assert_instances_of($actors, 'PhabricatorMetaMTAActor');
			$deliverable_actors = array();
			foreach ($actors as $phid => $actor) {
			if ($actor->isDeliverable()) {
			$deliverable_actors[$phid] = $actor;
			}
			}
			return $deliverable_actors;
			}

			private function loadActors(array $actor_phids) {
			$actor_phids = array_filter($actor_phids);
			$viewer = PhabricatorUser::getOmnipotentUser();

			$actors = id(new PhabricatorMetaMTAActorQuery())
			->setViewer($viewer)
			->withPHIDs($actor_phids)
			->execute();

			if (!$actors) {
			return array();
			}

			if ($this->getForceDelivery()) {
			// If we're forcing delivery, skip all the opt-out checks. We don't
			// bother annotating reasoning on the mail in this case because it should
			// always be obvious why the mail hit this rule (e.g., it is a password
			// reset mail).
			foreach ($actors as $actor) {
			$actor->setDeliverable(PhabricatorMetaMTAActor::REASON_FORCE);
			}
			return $actors;
			}

			// Exclude explicit recipients.
			foreach ($this->getExcludeMailRecipientPHIDs() as $phid) {
			$actor = idx($actors, $phid);
			if (!$actor) {
			continue;
			}
			$actor->setUndeliverable(PhabricatorMetaMTAActor::REASON_RESPONSE);
			}

			// Before running more rules, save a list of the actors who were
			// deliverable before we started running preference-based rules. This stops
			// us from trying to send mail to disabled users just because a Herald rule
			// added them, for example.
			$deliverable = array();
			foreach ($actors as $phid => $actor) {
			if ($actor->isDeliverable()) {
			$deliverable[] = $phid;
			}
			}

			// Exclude muted recipients. We're doing this after saving deliverability
			// so that Herald "Send me an email" actions can still punch through a
			// mute.

			foreach ($this->getMutedPHIDs() as $muted_phid) {
			$muted_actor = idx($actors, $muted_phid);
			if (!$muted_actor) {
			continue;
			}
			$muted_actor->setUndeliverable(PhabricatorMetaMTAActor::REASON_MUTED);
			}

			// For the rest of the rules, order matters. We're going to run all the
			// possible rules in order from weakest to strongest, and let the strongest
			// matching rule win. The weaker rules leave annotations behind which help
			// users understand why the mail was routed the way it was.

			// Exclude the actor if their preferences are set.
			$from_phid = $this->getParam('from');
			$from_actor = idx($actors, $from_phid);
			if ($from_actor) {
			$from_user = id(new PhabricatorPeopleQuery())
			->setViewer($viewer)
			->withPHIDs(array($from_phid))
			->needUserSettings(true)
			->execute();
			$from_user = head($from_user);
			if ($from_user) {
			$pref_key = PhabricatorEmailSelfActionsSetting::SETTINGKEY;
			$exclude_self = $from_user->getUserSetting($pref_key);
			if ($exclude_self) {
			$from_actor->setUndeliverable(PhabricatorMetaMTAActor::REASON_SELF);
			}
			}
			}

			$all_prefs = id(new PhabricatorUserPreferencesQuery())
			->setViewer(PhabricatorUser::getOmnipotentUser())
			->withUserPHIDs($actor_phids)
			->needSyntheticPreferences(true)
			->execute();
			$all_prefs = mpull($all_prefs, null, 'getUserPHID');

			$value_email = PhabricatorEmailTagsSetting::VALUE_EMAIL;

			// Exclude all recipients who have set preferences to not receive this type
			// of email (for example, a user who says they don't want emails about task
			// CC changes).
			$tags = $this->getParam('mailtags');
			if ($tags) {
			foreach ($all_prefs as $phid => $prefs) {
			$user_mailtags = $prefs->getSettingValue(
			PhabricatorEmailTagsSetting::SETTINGKEY);

			// The user must have elected to receive mail for at least one
			// of the mailtags.
			$send = false;
			foreach ($tags as $tag) {
			if (((int)idx($user_mailtags, $tag, $value_email)) == $value_email) {
			$send = true;
			break;
			}
			}

			if (!$send) {
			$actors[$phid]->setUndeliverable(
			PhabricatorMetaMTAActor::REASON_MAILTAGS);
			}
			}
			}

			foreach ($deliverable as $phid) {
			switch ($this->getRoutingRule($phid)) {
			case PhabricatorMailRoutingRule::ROUTE_AS_NOTIFICATION:
			$actors[$phid]->setUndeliverable(
			PhabricatorMetaMTAActor::REASON_ROUTE_AS_NOTIFICATION);
			break;
			case PhabricatorMailRoutingRule::ROUTE_AS_MAIL:
			$actors[$phid]->setDeliverable(
			PhabricatorMetaMTAActor::REASON_ROUTE_AS_MAIL);
			break;
			default:
			// No change.
			break;
			}
			}

			// If recipients were initially deliverable and were added by "Send me an
			// email" Herald rules, annotate them as such and make them deliverable
			// again, overriding any changes made by the "self mail" and "mail tags"
			// settings.
			$force_recipients = $this->getForceHeraldMailRecipientPHIDs();
			$force_recipients = array_fuse($force_recipients);
			if ($force_recipients) {
			foreach ($deliverable as $phid) {
			if (isset($force_recipients[$phid])) {
			$actors[$phid]->setDeliverable(
			PhabricatorMetaMTAActor::REASON_FORCE_HERALD);
			}
			}
			}

			// Exclude recipients who don't want any mail. This rule is very strong
			// and runs last.
			foreach ($all_prefs as $phid => $prefs) {
			$exclude = $prefs->getSettingValue(
			PhabricatorEmailNotificationsSetting::SETTINGKEY);
			if ($exclude) {
			$actors[$phid]->setUndeliverable(
			PhabricatorMetaMTAActor::REASON_MAIL_DISABLED);
			}
			}

			// Unless delivery was forced earlier (password resets, confirmation mail),
			// never send mail to unverified addresses.
			foreach ($actors as $phid => $actor) {
			if ($actor->getIsVerified()) {
			continue;
			}

			$actor->setUndeliverable(PhabricatorMetaMTAActor::REASON_UNVERIFIED);
			}

			return $actors;
			}

			public function getDeliveredHeaders() {
			return $this->getParam('headers.sent');
			}

			public function setDeliveredHeaders(array $headers) {
			$headers = $this->flattenHeaders($headers);
			return $this->setParam('headers.sent', $headers);
			}

			public function getUnfilteredHeaders() {
			$unfiltered = $this->getParam('headers.unfiltered');

			if ($unfiltered === null) {
			// Older versions of Phabricator did not filter headers, and thus did
			// not record unfiltered headers. If we don't have unfiltered header
			// data just return the delivered headers for compatibility.
			return $this->getDeliveredHeaders();
			}

			return $unfiltered;
			}

			public function setUnfilteredHeaders(array $headers) {
			$headers = $this->flattenHeaders($headers);
			return $this->setParam('headers.unfiltered', $headers);
			}

			private function flattenHeaders(array $headers) {
			assert_instances_of($headers, 'PhabricatorMailHeader');

			$list = array();
			foreach ($list as $header) {
			$list[] = array(
			$header->getName(),
			$header->getValue(),
			);
			}

			return $list;
			}

			public function getDeliveredActors() {
			return $this->getParam('actors.sent');
			}

			public function getDeliveredRoutingRules() {
			return $this->getParam('routing.sent');
			}

			public function getDeliveredRoutingMap() {
			return $this->getParam('routingmap.sent');
			}

			public function getDeliveredBody() {
			return $this->getParam('body.sent');
			}

			public function setDeliveredBody($body) {
			return $this->setParam('body.sent', $body);
			}

			public function getURI() {
			return '/mail/detail/'.$this->getID().'/';
			}


			/* -( Routing )------------------------------------------------------------ */


			public function addRoutingRule($routing_rule, $phids, $reason_phid) {
			$routing = $this->getParam('routing', array());
			$routing[] = array(
			'routingRule' => $routing_rule,
			'phids' => $phids,
			'reasonPHID' => $reason_phid,
			);
			$this->setParam('routing', $routing);

			// Throw the routing map away so we rebuild it.
			$this->routingMap = null;

			return $this;
			}

			private function getRoutingRule($phid) {
			$map = $this->getRoutingRuleMap();

			$info = idx($map, $phid, idx($map, 'default'));
			if ($info) {
			return idx($info, 'rule');
			}

			return null;
			}

			private function getRoutingRuleMap() {
			if ($this->routingMap === null) {
			$map = array();

			$routing = $this->getParam('routing', array());
			foreach ($routing as $route) {
			$phids = $route['phids'];
			if ($phids === null) {
			$phids = array('default');
			}

			foreach ($phids as $phid) {
			$new_rule = $route['routingRule'];

			$current_rule = idx($map, $phid);
			if ($current_rule === null) {
			$is_stronger = true;
			} else {
			$is_stronger = PhabricatorMailRoutingRule::isStrongerThan(
			$new_rule,
			$current_rule);
			}

			if ($is_stronger) {
			$map[$phid] = array(
			'rule' => $new_rule,
			'reason' => $route['reasonPHID'],
			);
			}
			}
			}

			$this->routingMap = $map;
			}

			return $this->routingMap;
			}

			/* -( Preferences )-------------------------------------------------------- */


			private function loadPreferences($target_phid) {
			$viewer = PhabricatorUser::getOmnipotentUser();

			if (self::shouldMailEachRecipient()) {
			$preferences = id(new PhabricatorUserPreferencesQuery())
			->setViewer($viewer)
			->withUserPHIDs(array($target_phid))
			->needSyntheticPreferences(true)
			->executeOne();
			if ($preferences) {
			return $preferences;
			}
			}

			return PhabricatorUserPreferences::loadGlobalPreferences($viewer);
			}

			public function shouldRenderMailStampsInBody($viewer) {
			$preferences = $this->loadPreferences($viewer->getPHID());
			$value = $preferences->getSettingValue(
			PhabricatorEmailStampsSetting::SETTINGKEY);

			return ($value == PhabricatorEmailStampsSetting::VALUE_BODY_STAMPS);
			}


			/* -( PhabricatorPolicyInterface )----------------------------------------- */


			public function getCapabilities() {
			return array(
			PhabricatorPolicyCapability::CAN_VIEW,
			);
			}

			public function getPolicy($capability) {
			return PhabricatorPolicies::POLICY_NOONE;
			}

			public function hasAutomaticCapability($capability, PhabricatorUser $viewer) {
			$actor_phids = $this->getExpandedRecipientPHIDs();
			return in_array($viewer->getPHID(), $actor_phids);
			}

			public function describeAutomaticCapability($capability) {
			return pht(
			'The mail sender and message recipients can always see the mail.');
			}


			/* -( PhabricatorDestructibleInterface )----------------------------------- */


			public function destroyObjectPermanently(
			PhabricatorDestructionEngine $engine) {

			$files = $this->loadAttachedFiles($engine->getViewer());
			foreach ($files as $file) {
			$engine->destroyObject($file);
			}

			$this->delete();
			}

			}

phab/src/applications/metamta/storage/PhabricatorMetaMTAMail.php39e1dd160145stable

PhabricatorMetaMTAMail.phpView Options

phab/src/applications/metamta/storage/PhabricatorMetaMTAMail.php
39e1dd160145stable

PhabricatorMetaMTAMail.php
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