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-rw-r--r--engine/classes/ElggEntity.php44
-rw-r--r--engine/classes/ElggMetadata.php34
-rw-r--r--engine/classes/ElggPlugin.php6
-rw-r--r--engine/classes/ElggPluginManifest.php34
-rw-r--r--engine/classes/ElggPluginManifestParser18.php11
-rw-r--r--engine/classes/ElggTranslit.php262
-rw-r--r--engine/classes/ElggVolatileMetadataCache.php344
7 files changed, 700 insertions, 35 deletions
diff --git a/engine/classes/ElggEntity.php b/engine/classes/ElggEntity.php
index 77c2bbf4d..929abceb2 100644
--- a/engine/classes/ElggEntity.php
+++ b/engine/classes/ElggEntity.php
@@ -248,7 +248,9 @@ abstract class ElggEntity extends ElggData implements
* @return mixed The value, or NULL if not found.
*/
public function getMetaData($name) {
- if ((int) ($this->guid) == 0) {
+ $guid = $this->getGUID();
+
+ if (! $guid) {
if (isset($this->temp_metadata[$name])) {
// md is returned as an array only if more than 1 entry
if (count($this->temp_metadata[$name]) == 1) {
@@ -261,21 +263,38 @@ abstract class ElggEntity extends ElggData implements
}
}
+ // upon first cache miss, just load/cache all the metadata and retry.
+ // if this works, the rest of this function may not be needed!
+ $cache = elgg_get_metadata_cache();
+ if ($cache->isKnown($guid, $name)) {
+ return $cache->load($guid, $name);
+ } else {
+ $cache->populateFromEntities(array($guid));
+ // in case ignore_access was on, we have to check again...
+ if ($cache->isKnown($guid, $name)) {
+ return $cache->load($guid, $name);
+ }
+ }
+
$md = elgg_get_metadata(array(
- 'guid' => $this->getGUID(),
+ 'guid' => $guid,
'metadata_name' => $name,
'limit' => 0,
));
+ $value = null;
+
if ($md && !is_array($md)) {
- return $md->value;
+ $value = $md->value;
} elseif (count($md) == 1) {
- return $md[0]->value;
+ $value = $md[0]->value;
} else if ($md && is_array($md)) {
- return metadata_array_to_values($md);
+ $value = metadata_array_to_values($md);
}
- return null;
+ $cache->save($guid, $name, $value);
+
+ return $value;
}
/**
@@ -1007,7 +1026,7 @@ abstract class ElggEntity extends ElggData implements
/**
* Returns the guid.
*
- * @return int GUID
+ * @return int|null GUID
*/
public function getGUID() {
return $this->get('guid');
@@ -1245,16 +1264,16 @@ abstract class ElggEntity extends ElggData implements
/**
* Save an entity.
*
- * @return bool/int
+ * @return bool|int
* @throws IOException
*/
public function save() {
- $guid = (int) $this->guid;
+ $guid = $this->getGUID();
if ($guid > 0) {
cache_entity($this);
return update_entity(
- $this->get('guid'),
+ $guid,
$this->get('owner_guid'),
$this->get('access_id'),
$this->get('container_guid'),
@@ -1301,10 +1320,7 @@ abstract class ElggEntity extends ElggData implements
$this->attributes['subtype'] = get_subtype_id($this->attributes['type'],
$this->attributes['subtype']);
- // Cache object handle
- if ($this->attributes['guid']) {
- cache_entity($this);
- }
+ cache_entity($this);
return $this->attributes['guid'];
}
diff --git a/engine/classes/ElggMetadata.php b/engine/classes/ElggMetadata.php
index 634a122e5..7f45dc3ea 100644
--- a/engine/classes/ElggMetadata.php
+++ b/engine/classes/ElggMetadata.php
@@ -26,8 +26,6 @@ class ElggMetadata extends ElggExtender {
* Construct a metadata object
*
* @param mixed $id ID of metadata or a database row as stdClass object
- *
- * @return void
*/
function __construct($id = null) {
$this->initializeAttributes();
@@ -54,7 +52,7 @@ class ElggMetadata extends ElggExtender {
*
* @param int $user_guid The GUID of the user (defaults to currently logged in user)
*
- * @return true|false Depending on permissions
+ * @return bool Depending on permissions
*/
function canEdit($user_guid = 0) {
if ($entity = get_entity($this->get('entity_guid'))) {
@@ -64,9 +62,11 @@ class ElggMetadata extends ElggExtender {
}
/**
- * Save matadata object
+ * Save metadata object
*
- * @return int the metadata object id
+ * @return int|bool the metadata object id or true if updated
+ *
+ * @throws IOException
*/
function save() {
if ($this->id > 0) {
@@ -89,7 +89,13 @@ class ElggMetadata extends ElggExtender {
* @return bool
*/
function delete() {
- return elgg_delete_metastring_based_object_by_id($this->id, 'metadata');
+ $success = elgg_delete_metastring_based_object_by_id($this->id, 'metadata');
+ if ($success) {
+ // we mark unknown here because this deletes only one value
+ // under this name, and there may be others remaining.
+ elgg_get_metadata_cache()->markUnknown($this->entity_guid, $this->name);
+ }
+ return $success;
}
/**
@@ -99,17 +105,27 @@ class ElggMetadata extends ElggExtender {
* @since 1.8
*/
function disable() {
- return elgg_set_metastring_based_object_enabled_by_id($this->id, 'no', 'metadata');
+ $success = elgg_set_metastring_based_object_enabled_by_id($this->id, 'no', 'metadata');
+ if ($success) {
+ // we mark unknown here because this disables only one value
+ // under this name, and there may be others remaining.
+ elgg_get_metadata_cache()->markUnknown($this->entity_guid, $this->name);
+ }
+ return $success;
}
/**
- * Disable the metadata
+ * Enable the metadata
*
* @return bool
* @since 1.8
*/
function enable() {
- return elgg_set_metastring_based_object_enabled_by_id($this->id, 'yes', 'metadata');
+ $success = elgg_set_metastring_based_object_enabled_by_id($this->id, 'yes', 'metadata');
+ if ($success) {
+ elgg_get_metadata_cache()->markUnknown($this->entity_guid, $this->name);
+ }
+ return $success;
}
/**
diff --git a/engine/classes/ElggPlugin.php b/engine/classes/ElggPlugin.php
index 8c9093834..3e43c8e81 100644
--- a/engine/classes/ElggPlugin.php
+++ b/engine/classes/ElggPlugin.php
@@ -101,7 +101,6 @@ class ElggPlugin extends ElggObject {
$missing_attributes = array_diff_key($expected_attributes, $row);
if ($missing_attributes) {
$needs_loaded = true;
- $old_guid = $guid;
$guid = $row['guid'];
} else {
$this->attributes = $row;
@@ -132,10 +131,7 @@ class ElggPlugin extends ElggObject {
// guid needs to be an int http://trac.elgg.org/ticket/4111
$this->attributes['guid'] = (int)$this->attributes['guid'];
- // cache the entity
- if ($this->attributes['guid']) {
- cache_entity($this);
- }
+ cache_entity($this);
return true;
}
diff --git a/engine/classes/ElggPluginManifest.php b/engine/classes/ElggPluginManifest.php
index 7e79c15c8..a4f5bb95d 100644
--- a/engine/classes/ElggPluginManifest.php
+++ b/engine/classes/ElggPluginManifest.php
@@ -264,7 +264,7 @@ class ElggPluginManifest {
/**
* Returns the license
*
- * @return sting
+ * @return string
*/
public function getLicense() {
// license vs licence. Use license.
@@ -276,6 +276,32 @@ class ElggPluginManifest {
}
}
+ /**
+ * Returns the repository url
+ *
+ * @return string
+ */
+ public function getRepositoryURL() {
+ return $this->parser->getAttribute('repository');
+ }
+
+ /**
+ * Returns the bug tracker page
+ *
+ * @return string
+ */
+ public function getBugTrackerURL() {
+ return $this->parser->getAttribute('bugtracker');
+ }
+
+ /**
+ * Returns the donations page
+ *
+ * @return string
+ */
+ public function getDonationsPageURL() {
+ return $this->parser->getAttribute('donations');
+ }
/**
* Returns the version of the plugin.
@@ -456,7 +482,7 @@ class ElggPluginManifest {
* Normalizes a dependency array using the defined structs.
* Can be used with either requires or suggests.
*
- * @param array $dep An dependency array.
+ * @param array $dep A dependency array.
* @return array The normalized deps array.
*/
private function normalizeDep($dep) {
@@ -500,8 +526,10 @@ class ElggPluginManifest {
break;
}
}
-
break;
+ default:
+ // unrecognized so we just return the raw dependency
+ return $dep;
}
$normalized_dep = $this->buildStruct($struct, $dep);
diff --git a/engine/classes/ElggPluginManifestParser18.php b/engine/classes/ElggPluginManifestParser18.php
index 554e28c02..3b753f17b 100644
--- a/engine/classes/ElggPluginManifestParser18.php
+++ b/engine/classes/ElggPluginManifestParser18.php
@@ -13,10 +13,10 @@ class ElggPluginManifestParser18 extends ElggPluginManifestParser {
* @var array
*/
protected $validAttributes = array(
- 'name', 'author', 'version', 'blurb', 'description',
- 'website', 'copyright', 'license', 'requires', 'suggests',
- 'screenshot', 'category', 'conflicts', 'provides',
- 'activate_on_install'
+ 'name', 'author', 'version', 'blurb', 'description','website',
+ 'repository', 'bugtracker', 'donations', 'copyright', 'license',
+ 'requires', 'suggests', 'conflicts', 'provides',
+ 'screenshot', 'category', 'activate_on_install'
);
/**
@@ -46,6 +46,9 @@ class ElggPluginManifestParser18 extends ElggPluginManifestParser {
case 'website':
case 'copyright':
case 'license':
+ case 'repository':
+ case 'bugtracker':
+ case 'donations':
case 'activate_on_install':
$parsed[$element->name] = $element->content;
break;
diff --git a/engine/classes/ElggTranslit.php b/engine/classes/ElggTranslit.php
new file mode 100644
index 000000000..676c59fc8
--- /dev/null
+++ b/engine/classes/ElggTranslit.php
@@ -0,0 +1,262 @@
+<?php
+/**
+ * Elgg Transliterate
+ *
+ * For creating "friendly titles" for URLs
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the LGPL. For more information, see
+ * <http://www.doctrine-project.org>.
+ *
+ * @author Konsta Vesterinen <kvesteri@cc.hut.fi>
+ * @author Jonathan H. Wage <jonwage@gmail.com>
+ *
+ * @author Steve Clay <steve@mrclay.org>
+ * @package Elgg.Core
+ *
+ * @access private Plugin authors should not use this directly
+ */
+class ElggTranslit {
+
+ /**
+ * Create a version of a string for embedding in a URL
+ * @param string $string a UTF-8 string
+ * @param string $separator
+ * @return string
+ */
+ static public function urlize($string, $separator = '-') {
+ // Iñtërnâtiônàlizætiøn, AND 日本語!
+
+ // try to force combined chars because the translit map and others expect it
+ if (self::hasNormalizerSupport()) {
+ $nfc = normalizer_normalize($string);
+ if (is_string($nfc)) {
+ $string = $nfc;
+ }
+ }
+ // Internationalization, AND 日本語!
+ $string = self::transliterateAscii($string);
+
+ // more translation
+ $string = strtr($string, array(
+ // Euro/GBP
+ "\xE2\x82\xAC" /* € */ => 'E', "\xC2\xA3" /* £ */ => 'GBP',
+ ));
+
+ // remove all ASCII except 0-9a-zA-Z, hyphen, underscore, and whitespace
+ // note: "x" modifier did not work with this pattern.
+ $string = preg_replace('~['
+ . '\x00-\x08' # control chars
+ . '\x0b\x0c' # vert tab, form feed
+ . '\x0e-\x1f' # control chars
+ . '\x21-\x2c' # ! ... ,
+ . '\x2e\x2f' # . slash
+ . '\x3a-\x40' # : ... @
+ . '\x5b-\x5e' # [ ... ^
+ . '\x60' # `
+ . '\x7b-\x7f' # { ... DEL
+ . ']~', '', $string);
+ $string = strtr($string, '', '');
+
+ // internationalization, and 日本語!
+ // note: not using elgg_strtolower to keep this class portable
+ $string = is_callable('mb_strtolower')
+ ? mb_strtolower($string, 'UTF-8')
+ : strtolower($string);
+
+ // split by ASCII chars not in 0-9a-zA-Z
+ // note: we cannot use [^0-9a-zA-Z] because that matches multibyte chars.
+ // note: "x" modifier did not work with this pattern.
+ $pattern = '~['
+ . '\x00-\x2f' # controls ... slash
+ . '\x3a-\x40' # : ... @
+ . '\x5b-\x60' # [ ... `
+ . '\x7b-\x7f' # { ... DEL
+ . ']+~x';
+
+ // ['internationalization', 'and', '日本語']
+ $words = preg_split($pattern, $string, -1, PREG_SPLIT_NO_EMPTY);
+
+ // ['internationalization', 'and', '%E6%97%A5%E6%9C%AC%E8%AA%9E']
+ $words = array_map('urlencode', $words);
+
+ // internationalization-and-%E6%97%A5%E6%9C%AC%E8%AA%9E
+ return implode($separator, $words);
+ }
+
+ /**
+ * Transliterate Western multibyte chars to ASCII
+ * @param string $utf8 a UTF-8 string
+ * @return string
+ */
+ static public function transliterateAscii($utf8) {
+ static $map = null;
+ if (!preg_match('/[\x80-\xff]/', $utf8)) {
+ return $utf8;
+ }
+ if (null === $map) {
+ $map = self::getAsciiTranslitMap();
+ }
+ return strtr($utf8, $map);
+ }
+
+ /**
+ * Get array of UTF-8 (NFC) character replacements.
+ *
+ * @return array
+ */
+ static public function getAsciiTranslitMap() {
+ return array(
+ // Decompositions for Latin-1 Supplement
+ "\xC2\xAA" /* ª */ => 'a', "\xC2\xBA" /* º */ => 'o', "\xC3\x80" /* À */ => 'A',
+ "\xC3\x81" /* Á */ => 'A', "\xC3\x82" /* Â */ => 'A', "\xC3\x83" /* Ã */ => 'A',
+ "\xC3\x84" /* Ä */ => 'A', "\xC3\x85" /* Å */ => 'A', "\xC3\x86" /* Æ */ => 'AE',
+ "\xC3\x87" /* Ç */ => 'C', "\xC3\x88" /* È */ => 'E', "\xC3\x89" /* É */ => 'E',
+ "\xC3\x8A" /* Ê */ => 'E', "\xC3\x8B" /* Ë */ => 'E', "\xC3\x8C" /* Ì */ => 'I',
+ "\xC3\x8D" /* Í */ => 'I', "\xC3\x8E" /* Î */ => 'I', "\xC3\x8F" /* Ï */ => 'I',
+ "\xC3\x90" /* Ð */ => 'D', "\xC3\x91" /* Ñ */ => 'N', "\xC3\x92" /* Ò */ => 'O',
+ "\xC3\x93" /* Ó */ => 'O', "\xC3\x94" /* Ô */ => 'O', "\xC3\x95" /* Õ */ => 'O',
+ "\xC3\x96" /* Ö */ => 'O', "\xC3\x99" /* Ù */ => 'U', "\xC3\x9A" /* Ú */ => 'U',
+ "\xC3\x9B" /* Û */ => 'U', "\xC3\x9C" /* Ü */ => 'U', "\xC3\x9D" /* Ý */ => 'Y',
+ "\xC3\x9E" /* Þ */ => 'TH', "\xC3\x9F" /* ß */ => 'ss', "\xC3\xA0" /* à */ => 'a',
+ "\xC3\xA1" /* á */ => 'a', "\xC3\xA2" /* â */ => 'a', "\xC3\xA3" /* ã */ => 'a',
+ "\xC3\xA4" /* ä */ => 'a', "\xC3\xA5" /* å */ => 'a', "\xC3\xA6" /* æ */ => 'ae',
+ "\xC3\xA7" /* ç */ => 'c', "\xC3\xA8" /* è */ => 'e', "\xC3\xA9" /* é */ => 'e',
+ "\xC3\xAA" /* ê */ => 'e', "\xC3\xAB" /* ë */ => 'e', "\xC3\xAC" /* ì */ => 'i',
+ "\xC3\xAD" /* í */ => 'i', "\xC3\xAE" /* î */ => 'i', "\xC3\xAF" /* ï */ => 'i',
+ "\xC3\xB0" /* ð */ => 'd', "\xC3\xB1" /* ñ */ => 'n', "\xC3\xB2" /* ò */ => 'o',
+ "\xC3\xB3" /* ó */ => 'o', "\xC3\xB4" /* ô */ => 'o', "\xC3\xB5" /* õ */ => 'o',
+ "\xC3\xB6" /* ö */ => 'o', "\xC3\xB8" /* ø */ => 'o', "\xC3\xB9" /* ù */ => 'u',
+ "\xC3\xBA" /* ú */ => 'u', "\xC3\xBB" /* û */ => 'u', "\xC3\xBC" /* ü */ => 'u',
+ "\xC3\xBD" /* ý */ => 'y', "\xC3\xBE" /* þ */ => 'th', "\xC3\xBF" /* ÿ */ => 'y',
+ "\xC3\x98" /* Ø */ => 'O',
+ // Decompositions for Latin Extended-A
+ "\xC4\x80" /* Ā */ => 'A', "\xC4\x81" /* ā */ => 'a', "\xC4\x82" /* Ă */ => 'A',
+ "\xC4\x83" /* ă */ => 'a', "\xC4\x84" /* Ą */ => 'A', "\xC4\x85" /* ą */ => 'a',
+ "\xC4\x86" /* Ć */ => 'C', "\xC4\x87" /* ć */ => 'c', "\xC4\x88" /* Ĉ */ => 'C',
+ "\xC4\x89" /* ĉ */ => 'c', "\xC4\x8A" /* Ċ */ => 'C', "\xC4\x8B" /* ċ */ => 'c',
+ "\xC4\x8C" /* Č */ => 'C', "\xC4\x8D" /* č */ => 'c', "\xC4\x8E" /* Ď */ => 'D',
+ "\xC4\x8F" /* ď */ => 'd', "\xC4\x90" /* Đ */ => 'D', "\xC4\x91" /* đ */ => 'd',
+ "\xC4\x92" /* Ē */ => 'E', "\xC4\x93" /* ē */ => 'e', "\xC4\x94" /* Ĕ */ => 'E',
+ "\xC4\x95" /* ĕ */ => 'e', "\xC4\x96" /* Ė */ => 'E', "\xC4\x97" /* ė */ => 'e',
+ "\xC4\x98" /* Ę */ => 'E', "\xC4\x99" /* ę */ => 'e', "\xC4\x9A" /* Ě */ => 'E',
+ "\xC4\x9B" /* ě */ => 'e', "\xC4\x9C" /* Ĝ */ => 'G', "\xC4\x9D" /* ĝ */ => 'g',
+ "\xC4\x9E" /* Ğ */ => 'G', "\xC4\x9F" /* ğ */ => 'g', "\xC4\xA0" /* Ġ */ => 'G',
+ "\xC4\xA1" /* ġ */ => 'g', "\xC4\xA2" /* Ģ */ => 'G', "\xC4\xA3" /* ģ */ => 'g',
+ "\xC4\xA4" /* Ĥ */ => 'H', "\xC4\xA5" /* ĥ */ => 'h', "\xC4\xA6" /* Ħ */ => 'H',
+ "\xC4\xA7" /* ħ */ => 'h', "\xC4\xA8" /* Ĩ */ => 'I', "\xC4\xA9" /* ĩ */ => 'i',
+ "\xC4\xAA" /* Ī */ => 'I', "\xC4\xAB" /* ī */ => 'i', "\xC4\xAC" /* Ĭ */ => 'I',
+ "\xC4\xAD" /* ĭ */ => 'i', "\xC4\xAE" /* Į */ => 'I', "\xC4\xAF" /* į */ => 'i',
+ "\xC4\xB0" /* İ */ => 'I', "\xC4\xB1" /* ı */ => 'i', "\xC4\xB2" /* IJ */ => 'IJ',
+ "\xC4\xB3" /* ij */ => 'ij', "\xC4\xB4" /* Ĵ */ => 'J', "\xC4\xB5" /* ĵ */ => 'j',
+ "\xC4\xB6" /* Ķ */ => 'K', "\xC4\xB7" /* ķ */ => 'k', "\xC4\xB8" /* ĸ */ => 'k',
+ "\xC4\xB9" /* Ĺ */ => 'L', "\xC4\xBA" /* ĺ */ => 'l', "\xC4\xBB" /* Ļ */ => 'L',
+ "\xC4\xBC" /* ļ */ => 'l', "\xC4\xBD" /* Ľ */ => 'L', "\xC4\xBE" /* ľ */ => 'l',
+ "\xC4\xBF" /* Ŀ */ => 'L', "\xC5\x80" /* ŀ */ => 'l', "\xC5\x81" /* Ł */ => 'L',
+ "\xC5\x82" /* ł */ => 'l', "\xC5\x83" /* Ń */ => 'N', "\xC5\x84" /* ń */ => 'n',
+ "\xC5\x85" /* Ņ */ => 'N', "\xC5\x86" /* ņ */ => 'n', "\xC5\x87" /* Ň */ => 'N',
+ "\xC5\x88" /* ň */ => 'n', "\xC5\x89" /* ʼn */ => 'N', "\xC5\x8A" /* Ŋ */ => 'n',
+ "\xC5\x8B" /* ŋ */ => 'N', "\xC5\x8C" /* Ō */ => 'O', "\xC5\x8D" /* ō */ => 'o',
+ "\xC5\x8E" /* Ŏ */ => 'O', "\xC5\x8F" /* ŏ */ => 'o', "\xC5\x90" /* Ő */ => 'O',
+ "\xC5\x91" /* ő */ => 'o', "\xC5\x92" /* Œ */ => 'OE', "\xC5\x93" /* œ */ => 'oe',
+ "\xC5\x94" /* Ŕ */ => 'R', "\xC5\x95" /* ŕ */ => 'r', "\xC5\x96" /* Ŗ */ => 'R',
+ "\xC5\x97" /* ŗ */ => 'r', "\xC5\x98" /* Ř */ => 'R', "\xC5\x99" /* ř */ => 'r',
+ "\xC5\x9A" /* Ś */ => 'S', "\xC5\x9B" /* ś */ => 's', "\xC5\x9C" /* Ŝ */ => 'S',
+ "\xC5\x9D" /* ŝ */ => 's', "\xC5\x9E" /* Ş */ => 'S', "\xC5\x9F" /* ş */ => 's',
+ "\xC5\xA0" /* Š */ => 'S', "\xC5\xA1" /* š */ => 's', "\xC5\xA2" /* Ţ */ => 'T',
+ "\xC5\xA3" /* ţ */ => 't', "\xC5\xA4" /* Ť */ => 'T', "\xC5\xA5" /* ť */ => 't',
+ "\xC5\xA6" /* Ŧ */ => 'T', "\xC5\xA7" /* ŧ */ => 't', "\xC5\xA8" /* Ũ */ => 'U',
+ "\xC5\xA9" /* ũ */ => 'u', "\xC5\xAA" /* Ū */ => 'U', "\xC5\xAB" /* ū */ => 'u',
+ "\xC5\xAC" /* Ŭ */ => 'U', "\xC5\xAD" /* ŭ */ => 'u', "\xC5\xAE" /* Ů */ => 'U',
+ "\xC5\xAF" /* ů */ => 'u', "\xC5\xB0" /* Ű */ => 'U', "\xC5\xB1" /* ű */ => 'u',
+ "\xC5\xB2" /* Ų */ => 'U', "\xC5\xB3" /* ų */ => 'u', "\xC5\xB4" /* Ŵ */ => 'W',
+ "\xC5\xB5" /* ŵ */ => 'w', "\xC5\xB6" /* Ŷ */ => 'Y', "\xC5\xB7" /* ŷ */ => 'y',
+ "\xC5\xB8" /* Ÿ */ => 'Y', "\xC5\xB9" /* Ź */ => 'Z', "\xC5\xBA" /* ź */ => 'z',
+ "\xC5\xBB" /* Ż */ => 'Z', "\xC5\xBC" /* ż */ => 'z', "\xC5\xBD" /* Ž */ => 'Z',
+ "\xC5\xBE" /* ž */ => 'z', "\xC5\xBF" /* ſ */ => 's',
+ // Decompositions for Latin Extended-B
+ "\xC8\x98" /* Ș */ => 'S', "\xC8\x99" /* ș */ => 's',
+ "\xC8\x9A" /* Ț */ => 'T', "\xC8\x9B" /* ț */ => 't',
+ // unmarked
+ "\xC6\xA0" /* Ơ */ => 'O', "\xC6\xA1" /* ơ */ => 'o',
+ "\xC6\xAF" /* Ư */ => 'U', "\xC6\xB0" /* ư */ => 'u',
+ // grave accent
+ "\xE1\xBA\xA6" /* Ầ */ => 'A', "\xE1\xBA\xA7" /* ầ */ => 'a',
+ "\xE1\xBA\xB0" /* Ằ */ => 'A', "\xE1\xBA\xB1" /* ằ */ => 'a',
+ "\xE1\xBB\x80" /* Ề */ => 'E', "\xE1\xBB\x81" /* ề */ => 'e',
+ "\xE1\xBB\x92" /* Ồ */ => 'O', "\xE1\xBB\x93" /* ồ */ => 'o',
+ "\xE1\xBB\x9C" /* Ờ */ => 'O', "\xE1\xBB\x9D" /* ờ */ => 'o',
+ "\xE1\xBB\xAA" /* Ừ */ => 'U', "\xE1\xBB\xAB" /* ừ */ => 'u',
+ "\xE1\xBB\xB2" /* Ỳ */ => 'Y', "\xE1\xBB\xB3" /* ỳ */ => 'y',
+ // hook
+ "\xE1\xBA\xA2" /* Ả */ => 'A', "\xE1\xBA\xA3" /* ả */ => 'a',
+ "\xE1\xBA\xA8" /* Ẩ */ => 'A', "\xE1\xBA\xA9" /* ẩ */ => 'a',
+ "\xE1\xBA\xB2" /* Ẳ */ => 'A', "\xE1\xBA\xB3" /* ẳ */ => 'a',
+ "\xE1\xBA\xBA" /* Ẻ */ => 'E', "\xE1\xBA\xBB" /* ẻ */ => 'e',
+ "\xE1\xBB\x82" /* Ể */ => 'E', "\xE1\xBB\x83" /* ể */ => 'e',
+ "\xE1\xBB\x88" /* Ỉ */ => 'I', "\xE1\xBB\x89" /* ỉ */ => 'i',
+ "\xE1\xBB\x8E" /* Ỏ */ => 'O', "\xE1\xBB\x8F" /* ỏ */ => 'o',
+ "\xE1\xBB\x94" /* Ổ */ => 'O', "\xE1\xBB\x95" /* ổ */ => 'o',
+ "\xE1\xBB\x9E" /* Ở */ => 'O', "\xE1\xBB\x9F" /* ở */ => 'o',
+ "\xE1\xBB\xA6" /* Ủ */ => 'U', "\xE1\xBB\xA7" /* ủ */ => 'u',
+ "\xE1\xBB\xAC" /* Ử */ => 'U', "\xE1\xBB\xAD" /* ử */ => 'u',
+ "\xE1\xBB\xB6" /* Ỷ */ => 'Y', "\xE1\xBB\xB7" /* ỷ */ => 'y',
+ // tilde
+ "\xE1\xBA\xAA" /* Ẫ */ => 'A', "\xE1\xBA\xAB" /* ẫ */ => 'a',
+ "\xE1\xBA\xB4" /* Ẵ */ => 'A', "\xE1\xBA\xB5" /* ẵ */ => 'a',
+ "\xE1\xBA\xBC" /* Ẽ */ => 'E', "\xE1\xBA\xBD" /* ẽ */ => 'e',
+ "\xE1\xBB\x84" /* Ễ */ => 'E', "\xE1\xBB\x85" /* ễ */ => 'e',
+ "\xE1\xBB\x96" /* Ỗ */ => 'O', "\xE1\xBB\x97" /* ỗ */ => 'o',
+ "\xE1\xBB\xA0" /* Ỡ */ => 'O', "\xE1\xBB\xA1" /* ỡ */ => 'o',
+ "\xE1\xBB\xAE" /* Ữ */ => 'U', "\xE1\xBB\xAF" /* ữ */ => 'u',
+ "\xE1\xBB\xB8" /* Ỹ */ => 'Y', "\xE1\xBB\xB9" /* ỹ */ => 'y',
+ // acute accent
+ "\xE1\xBA\xA4" /* Ấ */ => 'A', "\xE1\xBA\xA5" /* ấ */ => 'a',
+ "\xE1\xBA\xAE" /* Ắ */ => 'A', "\xE1\xBA\xAF" /* ắ */ => 'a',
+ "\xE1\xBA\xBE" /* Ế */ => 'E', "\xE1\xBA\xBF" /* ế */ => 'e',
+ "\xE1\xBB\x90" /* Ố */ => 'O', "\xE1\xBB\x91" /* ố */ => 'o',
+ "\xE1\xBB\x9A" /* Ớ */ => 'O', "\xE1\xBB\x9B" /* ớ */ => 'o',
+ "\xE1\xBB\xA8" /* Ứ */ => 'U', "\xE1\xBB\xA9" /* ứ */ => 'u',
+ // dot below
+ "\xE1\xBA\xA0" /* Ạ */ => 'A', "\xE1\xBA\xA1" /* ạ */ => 'a',
+ "\xE1\xBA\xAC" /* Ậ */ => 'A', "\xE1\xBA\xAD" /* ậ */ => 'a',
+ "\xE1\xBA\xB6" /* Ặ */ => 'A', "\xE1\xBA\xB7" /* ặ */ => 'a',
+ "\xE1\xBA\xB8" /* Ẹ */ => 'E', "\xE1\xBA\xB9" /* ẹ */ => 'e',
+ "\xE1\xBB\x86" /* Ệ */ => 'E', "\xE1\xBB\x87" /* ệ */ => 'e',
+ "\xE1\xBB\x8A" /* Ị */ => 'I', "\xE1\xBB\x8B" /* ị */ => 'i',
+ "\xE1\xBB\x8C" /* Ọ */ => 'O', "\xE1\xBB\x8D" /* ọ */ => 'o',
+ "\xE1\xBB\x98" /* Ộ */ => 'O', "\xE1\xBB\x99" /* ộ */ => 'o',
+ "\xE1\xBB\xA2" /* Ợ */ => 'O', "\xE1\xBB\xA3" /* ợ */ => 'o',
+ "\xE1\xBB\xA4" /* Ụ */ => 'U', "\xE1\xBB\xA5" /* ụ */ => 'u',
+ "\xE1\xBB\xB0" /* Ự */ => 'U', "\xE1\xBB\xB1" /* ự */ => 'u',
+ "\xE1\xBB\xB4" /* Ỵ */ => 'Y', "\xE1\xBB\xB5" /* ỵ */ => 'y',
+ );
+ }
+
+ /**
+ * Tests that "normalizer_normalize" exists and works
+ * @return bool
+ */
+ static public function hasNormalizerSupport() {
+ static $ret = null;
+ if (null === $ret) {
+ $form_c = "\xC3\x85"; // 'LATIN CAPITAL LETTER A WITH RING ABOVE' (U+00C5)
+ $form_d = "A\xCC\x8A"; // A followed by 'COMBINING RING ABOVE' (U+030A)
+ $ret = (function_exists('normalizer_normalize')
+ && $form_c === normalizer_normalize($form_d));
+ }
+ return $ret;
+ }
+}
diff --git a/engine/classes/ElggVolatileMetadataCache.php b/engine/classes/ElggVolatileMetadataCache.php
new file mode 100644
index 000000000..24ae58d42
--- /dev/null
+++ b/engine/classes/ElggVolatileMetadataCache.php
@@ -0,0 +1,344 @@
+<?php
+/**
+ * ElggVolatileMetadataCache
+ * In memory cache of known metadata values stored by entity.
+ *
+ * @package Elgg.Core
+ * @subpackage Cache
+ *
+ * @access private
+ */
+class ElggVolatileMetadataCache {
+
+ /**
+ * The cached values (or null for known to be empty). If the portion of the cache
+ * is synchronized, missing values are assumed to indicate that values do not
+ * exist in storage, otherwise, we don't know what's there.
+ *
+ * @var array
+ */
+ protected $values = array();
+
+ /**
+ * Does the cache know that it contains all names fetch-able from storage?
+ * The keys are entity GUIDs and either the value exists (true) or it's not set.
+ *
+ * @var array
+ */
+ protected $isSynchronized = array();
+
+ /**
+ * @var null|bool
+ */
+ protected $ignoreAccess = null;
+
+ /**
+ * @param int $entity_guid
+ *
+ * @param array $values
+ */
+ public function saveAll($entity_guid, array $values) {
+ if (!$this->getIgnoreAccess()) {
+ $this->values[$entity_guid] = $values;
+ $this->isSynchronized[$entity_guid] = true;
+ }
+ }
+
+ /**
+ * @param int $entity_guid
+ *
+ * @return array
+ */
+ public function loadAll($entity_guid) {
+ if (isset($this->values[$entity_guid])) {
+ return $this->values[$entity_guid];
+ } else {
+ return array();
+ }
+ }
+
+ /**
+ * Declare that there may be fetch-able metadata names in storage that this
+ * cache doesn't know about
+ *
+ * @param int $entity_guid
+ */
+ public function markOutOfSync($entity_guid) {
+ unset($this->isSynchronized[$entity_guid]);
+ }
+
+ /**
+ * @param $entity_guid
+ *
+ * @return bool
+ */
+ public function isSynchronized($entity_guid) {
+ return isset($this->isSynchronized[$entity_guid]);
+ }
+
+ /**
+ * @param int $entity_guid
+ *
+ * @param string $name
+ *
+ * @param array|int|string|null $value null means it is known that there is no
+ * fetch-able metadata under this name
+ * @param bool $allow_multiple
+ */
+ public function save($entity_guid, $name, $value, $allow_multiple = false) {
+ if ($this->getIgnoreAccess()) {
+ // we don't know if what gets saves here will be available to user once
+ // access control returns, hence it's best to forget :/
+ $this->markUnknown($entity_guid, $name);
+ } else {
+ if ($allow_multiple) {
+ if ($this->isKnown($entity_guid, $name)) {
+ $existing = $this->load($entity_guid, $name);
+ if ($existing !== null) {
+ $existing = (array) $existing;
+ $existing[] = $value;
+ $value = $existing;
+ }
+ } else {
+ // we don't know whether there are unknown values, so it's
+ // safest to leave that assumption
+ $this->markUnknown($entity_guid, $name);
+ return;
+ }
+ }
+ $this->values[$entity_guid][$name] = $value;
+ }
+ }
+
+ /**
+ * Warning: You should always call isKnown() beforehand to verify that this
+ * function's return value should be trusted (otherwise a null return value
+ * is ambiguous).
+ *
+ * @param int $entity_guid
+ *
+ * @param string $name
+ *
+ * @return array|string|int|null null = value does not exist
+ */
+ public function load($entity_guid, $name) {
+ if (isset($this->values[$entity_guid]) && array_key_exists($name, $this->values[$entity_guid])) {
+ return $this->values[$entity_guid][$name];
+ } else {
+ return null;
+ }
+ }
+
+ /**
+ * Forget about this metadata entry. We don't want to try to guess what the
+ * next fetch from storage will return
+ *
+ * @param int $entity_guid
+ *
+ * @param string $name
+ */
+ public function markUnknown($entity_guid, $name) {
+ unset($this->values[$entity_guid][$name]);
+ $this->markOutOfSync($entity_guid);
+ }
+
+ /**
+ * If true, load() will return an accurate value for this name
+ *
+ * @param int $entity_guid
+ *
+ * @param string $name
+ *
+ * @return bool
+ */
+ public function isKnown($entity_guid, $name) {
+ if (isset($this->isSynchronized[$entity_guid])) {
+ return true;
+ } else {
+ return (isset($this->values[$entity_guid]) && array_key_exists($name, $this->values[$entity_guid]));
+ }
+
+ }
+
+ /**
+ * Declare that metadata under this name is known to be not fetch-able from storage
+ *
+ * @param int $entity_guid
+ *
+ * @param string $name
+ *
+ * @return array
+ */
+ public function markEmpty($entity_guid, $name) {
+ $this->values[$entity_guid][$name] = null;
+ }
+
+ /**
+ * Forget about all metadata for an entity
+ *
+ * @param int $entity_guid
+ */
+ public function clear($entity_guid) {
+ $this->values[$entity_guid] = array();
+ $this->markOutOfSync($entity_guid);
+ }
+
+ /**
+ * Clear entire cache and mark all entities as out of sync
+ */
+ public function flush() {
+ $this->values = array();
+ $this->isSynchronized = array();
+ }
+
+ /**
+ * Use this value instead of calling elgg_get_ignore_access(). By default that
+ * function will be called.
+ *
+ * This setting makes this component a little more loosely-coupled.
+ *
+ * @param bool $ignore
+ */
+ public function setIgnoreAccess($ignore) {
+ $this->ignoreAccess = (bool) $ignore;
+ }
+
+ /**
+ * Tell the cache to call elgg_get_ignore_access() to determing access status.
+ */
+ public function unsetIgnoreAccess() {
+ $this->ignoreAccess = null;
+ }
+
+ /**
+ * @return bool
+ */
+ protected function getIgnoreAccess() {
+ if (null === $this->ignoreAccess) {
+ return elgg_get_ignore_access();
+ } else {
+ return $this->ignoreAccess;
+ }
+ }
+
+ /**
+ * Invalidate based on options passed to the global *_metadata functions
+ *
+ * @param string $action Action performed on metadata. "delete", "disable", or "enable"
+ *
+ * @param array $options Options passed to elgg_(delete|disable|enable)_metadata
+ *
+ * "guid" if given, invalidation will be limited to this entity
+ *
+ * "metadata_name" if given, invalidation will be limited to metadata with this name
+ */
+ public function invalidateByOptions($action, array $options) {
+ // remove as little as possible, optimizing for common cases
+ if (empty($options['guid'])) {
+ // safest to clear everything unless we want to make this even more complex :(
+ $this->flush();
+ } else {
+ if (empty($options['metadata_name'])) {
+ // safest to clear the whole entity
+ $this->clear($options['guid']);
+ } else {
+ switch ($action) {
+ case 'delete':
+ $this->markEmpty($options['guid'], $options['metadata_name']);
+ break;
+ default:
+ $this->markUnknown($options['guid'], $options['metadata_name']);
+ }
+ }
+ }
+ }
+
+ /**
+ * @param int|array $guids
+ */
+ public function populateFromEntities($guids) {
+ if (empty($guids)) {
+ return;
+ }
+ if (!is_array($guids)) {
+ $guids = array($guids);
+ }
+ $guids = array_unique($guids);
+
+ // could be useful at some point in future
+ //$guids = $this->filterMetadataHeavyEntities($guids);
+
+ $db_prefix = elgg_get_config('dbprefix');
+ $options = array(
+ 'guids' => $guids,
+ 'limit' => 0,
+ 'callback' => false,
+ 'joins' => array(
+ "JOIN {$db_prefix}metastrings v ON n_table.value_id = v.id",
+ "JOIN {$db_prefix}metastrings n ON n_table.name_id = n.id",
+ ),
+ 'selects' => array('n.string AS name', 'v.string AS value'),
+ 'order_by' => 'n_table.entity_guid, n_table.time_created ASC',
+ );
+ $data = elgg_get_metadata($options);
+
+ // build up metadata for each entity, save when GUID changes (or data ends)
+ $last_guid = null;
+ $metadata = array();
+ $last_row_idx = count($data) - 1;
+ foreach ($data as $i => $row) {
+ $name = $row->name;
+ $value = ($row->value_type === 'text') ? $row->value : (int) $row->value;
+ $guid = $row->entity_guid;
+ if ($guid !== $last_guid) {
+ if ($last_guid) {
+ $this->saveAll($last_guid, $metadata);
+ }
+ $metadata = array();
+ }
+ if (isset($metadata[$name])) {
+ $metadata[$name] = (array) $metadata[$name];
+ $metadata[$name][] = $value;
+ } else {
+ $metadata[$name] = $value;
+ }
+ if (($i == $last_row_idx)) {
+ $this->saveAll($guid, $metadata);
+ }
+ $last_guid = $guid;
+ }
+ }
+
+ /**
+ * Filter out entities whose concatenated metadata values (INTs casted as string)
+ * exceed a threshold in characters. This could be used to avoid overpopulating the
+ * cache if RAM usage becomes an issue.
+ *
+ * @param array $guids GUIDs of entities to examine
+ *
+ * @param int $limit Limit in characters of all metadata (with ints casted to strings)
+ *
+ * @return array
+ */
+ public function filterMetadataHeavyEntities(array $guids, $limit = 1024000) {
+ $db_prefix = elgg_get_config('dbprefix');
+
+ $options = array(
+ 'guids' => $guids,
+ 'limit' => 0,
+ 'callback' => false,
+ 'joins' => "JOIN {$db_prefix}metastrings v ON n_table.value_id = v.id",
+ 'selects' => array('SUM(LENGTH(v.string)) AS bytes'),
+ 'order_by' => 'n_table.entity_guid, n_table.time_created ASC',
+ 'group_by' => 'n_table.entity_guid',
+ );
+ $data = elgg_get_metadata($options);
+ // don't cache if metadata for entity is over 10MB (or rolled INT)
+ foreach ($data as $row) {
+ if ($row->bytes > $limit || $row->bytes < 0) {
+ array_splice($guids, array_search($row->entity_guid, $guids), 1);
+ }
+ }
+ return $guids;
+ }
+}