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PhabricatorMailUtil.php
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Created
Wed, Mar 19, 21:25
Size
3 KB
Mime Type
text/x-php
Expires
Fri, Mar 21, 21:25 (1 d, 23 h)
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25029997
Attached To
rPH Phabricator
PhabricatorMailUtil.php
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<?php
final
class
PhabricatorMailUtil
extends
Phobject
{
/**
* Normalize an email address for comparison or lookup.
*
* Phabricator can be configured to prepend a prefix to all reply addresses,
* which can make forwarding rules easier to write. This method strips the
* prefix if it is present, and normalizes casing and whitespace.
*
* @param PhutilEmailAddress Email address.
* @return PhutilEmailAddress Normalized address.
*/
public
static
function
normalizeAddress
(
PhutilEmailAddress
$address
)
{
$raw_address
=
$address
->
getAddress
();
$raw_address
=
phutil_utf8_strtolower
(
$raw_address
);
$raw_address
=
trim
(
$raw_address
);
// If a mailbox prefix is configured and present, strip it off.
$prefix_key
=
'metamta.single-reply-handler-prefix'
;
$prefix
=
PhabricatorEnv
::
getEnvConfig
(
$prefix_key
);
$len
=
strlen
(
$prefix
);
if
(
$len
)
{
$prefix
=
$prefix
.
'+'
;
$len
=
$len
+
1
;
if
(!
strncasecmp
(
$raw_address
,
$prefix
,
$len
))
{
$raw_address
=
substr
(
$raw_address
,
$len
);
}
}
return
id
(
clone
$address
)
->
setAddress
(
$raw_address
);
}
/**
* Determine if two inbound email addresses are effectively identical.
*
* This method strips and normalizes addresses so that equivalent variations
* are correctly detected as identical. For example, these addresses are all
* considered to match one another:
*
* "Abraham Lincoln" <alincoln@example.com>
* alincoln@example.com
* <ALincoln@example.com>
* "Abraham" <phabricator+ALINCOLN@EXAMPLE.COM> # With configured prefix.
*
* @param PhutilEmailAddress Email address.
* @param PhutilEmailAddress Another email address.
* @return bool True if addresses are effectively the same address.
*/
public
static
function
matchAddresses
(
PhutilEmailAddress
$u
,
PhutilEmailAddress
$v
)
{
$u
=
self
::
normalizeAddress
(
$u
);
$v
=
self
::
normalizeAddress
(
$v
);
return
(
$u
->
getAddress
()
===
$v
->
getAddress
());
}
public
static
function
isReservedAddress
(
PhutilEmailAddress
$address
)
{
$address
=
self
::
normalizeAddress
(
$address
);
$local
=
$address
->
getLocalPart
();
$reserved
=
array
(
'admin'
,
'administrator'
,
'hostmaster'
,
'list'
,
'list-request'
,
'majordomo'
,
'postmaster'
,
'root'
,
'ssl-admin'
,
'ssladmin'
,
'ssladministrator'
,
'sslwebmaster'
,
'sysadmin'
,
'uucp'
,
'webmaster'
,
'noreply'
,
'no-reply'
,
);
$reserved
=
array_fuse
(
$reserved
);
if
(
isset
(
$reserved
[
$local
]))
{
return
true
;
}
$default_address
=
id
(
new
PhabricatorMailEmailEngine
())
->
newDefaultEmailAddress
();
if
(
self
::
matchAddresses
(
$address
,
$default_address
))
{
return
true
;
}
$void_address
=
id
(
new
PhabricatorMailEmailEngine
())
->
newVoidEmailAddress
();
if
(
self
::
matchAddresses
(
$address
,
$void_address
))
{
return
true
;
}
return
false
;
}
public
static
function
isUserAddress
(
PhutilEmailAddress
$address
)
{
$user_email
=
id
(
new
PhabricatorUserEmail
())->
loadOneWhere
(
'address = %s'
,
$address
->
getAddress
());
return
(
bool
)
$user_email
;
}
}
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