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Split up OStatusPlugin preg functions so they can be reused

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This commit is contained in:
Mikael Nordfeldth 2017-04-22 10:58:14 +02:00
parent 54971842f2
commit bd6c93a811
1 changed files with 91 additions and 64 deletions
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155
plugins/OStatus/OStatusPlugin.php
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@ -256,6 +256,46 @@ class OStatusPlugin extends Plugin
return true;
}
/**
* Webfinger matches: @user@example.com or even @user--one.george_orwell@1984.biz
*
* @return array The matching IDs (without @ or acct:) and each respective position in the given string.
*/
static function extractWebfingerIds($text)
{
$wmatches = array();
$result = preg_match_all('/(?:^|\s+)@((?:\w+[\w\-\_\.]?)*(?:[\w\-\_\.]*\w+)@(?:(?!-)[A-Za-z0-9\-]{1,63}(?<!-)\.)+[A-Za-z]{2,10})/',
$text,
$wmatches,
PREG_OFFSET_CAPTURE);
if ($result === false) {
common_log(LOG_ERR, __METHOD__ . ': Error parsing webfinger IDs from text (preg_last_error=='.preg_last_error().').');
} else {
common_debug(sprintf('Found %i matches for WebFinger IDs: %s', count($wmatches), _ve($wmatches)));
}
return $wmatches[1];
}
/**
* Profile URL matches: @example.com/mublog/user
*
* @return array The matching URLs (without @ or acct:) and each respective position in the given string.
*/
static function extractUrlMentions($text)
{
$wmatches = array();
$result = preg_match_all('!(?:^|\s+)@((?:\w+\.)*\w+(?:\w+\-\w+)*\.\w+(?:/\w+)*)!',
$text,
$wmatches,
PREG_OFFSET_CAPTURE);
if ($result === false) {
common_log(LOG_ERR, __METHOD__ . ': Error parsing profile URL mentions from text (preg_last_error=='.preg_last_error().').');
} else {
common_debug(sprintf('Found %i matches for profile URL mentions: %s', count($wmatches), _ve($wmatches)));
}
return $wmatches[1];
}
/**
* Find any explicit remote mentions. Accepted forms:
* Webfinger: @user@example.com
@ -269,76 +309,63 @@ class OStatusPlugin extends Plugin
{
$matches = array();
$wmatches = array();
// Webfinger matches: @user@example.com or even @user--one.george_orwell@1984.biz
if (preg_match_all('/(?:^|\s+)@((?:\w+[\w\-\_\.]?)*(?:[\w\-\_\.]*\w+)@(?:(?!-)[A-Za-z0-9\-]{1,63}(?<!-)\.)+[A-Za-z]{2,10})/',
$text,
$wmatches,
PREG_OFFSET_CAPTURE)) {
foreach ($wmatches[1] as $wmatch) {
list($target, $pos) = $wmatch;
$this->log(LOG_INFO, "Checking webfinger '$target'");
$profile = null;
try {
$oprofile = Ostatus_profile::ensureWebfinger($target);
if (!$oprofile instanceof Ostatus_profile || !$oprofile->isPerson()) {
continue;
}
$profile = $oprofile->localProfile();
} catch (OStatusShadowException $e) {
// This means we got a local user in the webfinger lookup
$profile = $e->profile;
} catch (Exception $e) {
$this->log(LOG_ERR, "Webfinger check failed: " . $e->getMessage());
foreach (self::extractWebfingerIds($text) as $wmatch) {
list($target, $pos) = $wmatch;
$this->log(LOG_INFO, "Checking webfinger '$target'");
$profile = null;
try {
$oprofile = Ostatus_profile::ensureWebfinger($target);
if (!$oprofile instanceof Ostatus_profile || !$oprofile->isPerson()) {
continue;
}
assert($profile instanceof Profile);
$text = !empty($profile->nickname) && mb_strlen($profile->nickname) < mb_strlen($target)
? $profile->getNickname() // TODO: we could do getBestName() or getFullname() here
: $target;
$url = $profile->getUri();
if (!common_valid_http_url($url)) {
$url = $profile->getUrl();
}
$matches[$pos] = array('mentioned' => array($profile),
'type' => 'mention',
'text' => $text,
'position' => $pos,
'length' => mb_strlen($target),
'url' => $url);
$profile = $oprofile->localProfile();
} catch (OStatusShadowException $e) {
// This means we got a local user in the webfinger lookup
$profile = $e->profile;
} catch (Exception $e) {
$this->log(LOG_ERR, "Webfinger check failed: " . $e->getMessage());
continue;
}
assert($profile instanceof Profile);
$text = !empty($profile->nickname) && mb_strlen($profile->nickname) < mb_strlen($target)
? $profile->getNickname() // TODO: we could do getBestName() or getFullname() here
: $target;
$url = $profile->getUri();
if (!common_valid_http_url($url)) {
$url = $profile->getUrl();
}
$matches[$pos] = array('mentioned' => array($profile),
'type' => 'mention',
'text' => $text,
'position' => $pos,
'length' => mb_strlen($target),
'url' => $url);
}
// Profile matches: @example.com/mublog/user
if (preg_match_all('!(?:^|\s+)@((?:\w+\.)*\w+(?:\w+\-\w+)*\.\w+(?:/\w+)*)!',
$text,
$wmatches,
PREG_OFFSET_CAPTURE)) {
foreach ($wmatches[1] as $wmatch) {
list($target, $pos) = $wmatch;
$schemes = array('http', 'https');
foreach ($schemes as $scheme) {
$url = "$scheme://$target";
$this->log(LOG_INFO, "Checking profile address '$url'");
try {
$oprofile = Ostatus_profile::ensureProfileURL($url);
if ($oprofile instanceof Ostatus_profile && !$oprofile->isGroup()) {
$profile = $oprofile->localProfile();
$text = !empty($profile->nickname) && mb_strlen($profile->nickname) < mb_strlen($target) ?
$profile->nickname : $target;
$matches[$pos] = array('mentioned' => array($profile),
'type' => 'mention',
'text' => $text,
'position' => $pos,
'length' => mb_strlen($target),
'url' => $profile->getUrl());
break;
}
} catch (Exception $e) {
$this->log(LOG_ERR, "Profile check failed: " . $e->getMessage());
foreach (self::extractUrlMentions($text) as $wmatch) {
list($target, $pos) = $wmatch;
$schemes = array('http', 'https');
foreach ($schemes as $scheme) {
$url = "$scheme://$target";
$this->log(LOG_INFO, "Checking profile address '$url'");
try {
$oprofile = Ostatus_profile::ensureProfileURL($url);
if ($oprofile instanceof Ostatus_profile && !$oprofile->isGroup()) {
$profile = $oprofile->localProfile();
$text = !empty($profile->nickname) && mb_strlen($profile->nickname) < mb_strlen($target) ?
$profile->nickname : $target;
$matches[$pos] = array('mentioned' => array($profile),
'type' => 'mention',
'text' => $text,
'position' => $pos,
'length' => mb_strlen($target),
'url' => $profile->getUrl());
break;
}
} catch (Exception $e) {
$this->log(LOG_ERR, "Profile check failed: " . $e->getMessage());
}
}
}