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LinkDB: prefix private members with an underscore

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Relates to #95, #218

Signed-off-by: VirtualTam <virtualtam@flibidi.net>
This commit is contained in:
VirtualTam 2015-07-09 21:07:37 +02:00
parent e92f1ba59e
commit 07b6fa750b
3 changed files with 74 additions and 74 deletions
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124
application/LinkDB.php
View file

@ -28,7 +28,7 @@
class LinkDB implements Iterator, Countable, ArrayAccess class LinkDB implements Iterator, Countable, ArrayAccess
{ {
// Links are stored as a PHP serialized string // Links are stored as a PHP serialized string
private $datastore; private $_datastore;
// Datastore PHP prefix // Datastore PHP prefix
protected static $phpPrefix = '<?php /* '; protected static $phpPrefix = '<?php /* ';
@ -39,23 +39,23 @@ class LinkDB implements Iterator, Countable, ArrayAccess
// List of links (associative array) // List of links (associative array)
// - key: link date (e.g. "20110823_124546"), // - key: link date (e.g. "20110823_124546"),
// - value: associative array (keys: title, description...) // - value: associative array (keys: title, description...)
private $links; private $_links;
// List of all recorded URLs (key=url, value=linkdate) // List of all recorded URLs (key=url, value=linkdate)
// for fast reserve search (url-->linkdate) // for fast reserve search (url-->linkdate)
private $urls; private $_urls;
// List of linkdate keys (for the Iterator interface implementation) // List of linkdate keys (for the Iterator interface implementation)
private $keys; private $_keys;
// Position in the $this->keys array (for the Iterator interface) // Position in the $this->_keys array (for the Iterator interface)
private $position; private $_position;
// Is the user logged in? (used to filter private links) // Is the user logged in? (used to filter private links)
private $loggedIn; private $_loggedIn;
// Hide public links // Hide public links
private $hidePublicLinks; private $_hidePublicLinks;
/** /**
* Creates a new LinkDB * Creates a new LinkDB
@ -66,11 +66,11 @@ class LinkDB implements Iterator, Countable, ArrayAccess
*/ */
function __construct($datastore, $isLoggedIn, $hidePublicLinks) function __construct($datastore, $isLoggedIn, $hidePublicLinks)
{ {
$this->datastore = $datastore; $this->_datastore = $datastore;
$this->loggedIn = $isLoggedIn; $this->_loggedIn = $isLoggedIn;
$this->hidePublicLinks = $hidePublicLinks; $this->_hidePublicLinks = $hidePublicLinks;
$this->checkDB(); $this->_checkDB();
$this->readdb(); $this->_readDB();
} }
/** /**
@ -78,7 +78,7 @@ function __construct($datastore, $isLoggedIn, $hidePublicLinks)
*/ */
public function count() public function count()
{ {
return count($this->links); return count($this->_links);
} }
/** /**
@ -87,7 +87,7 @@ public function count()
public function offsetSet($offset, $value) public function offsetSet($offset, $value)
{ {
// TODO: use exceptions instead of "die" // TODO: use exceptions instead of "die"
if (!$this->loggedIn) { if (!$this->_loggedIn) {
die('You are not authorized to add a link.'); die('You are not authorized to add a link.');
} }
if (empty($value['linkdate']) || empty($value['url'])) { if (empty($value['linkdate']) || empty($value['url'])) {
@ -96,8 +96,8 @@ public function offsetSet($offset, $value)
if (empty($offset)) { if (empty($offset)) {
die('You must specify a key.'); die('You must specify a key.');
} }
$this->links[$offset] = $value; $this->_links[$offset] = $value;
$this->urls[$value['url']]=$offset; $this->_urls[$value['url']]=$offset;
} }
/** /**
@ -105,7 +105,7 @@ public function offsetSet($offset, $value)
*/ */
public function offsetExists($offset) public function offsetExists($offset)
{ {
return array_key_exists($offset, $this->links); return array_key_exists($offset, $this->_links);
} }
/** /**
@ -113,13 +113,13 @@ public function offsetExists($offset)
*/ */
public function offsetUnset($offset) public function offsetUnset($offset)
{ {
if (!$this->loggedIn) { if (!$this->_loggedIn) {
// TODO: raise an exception // TODO: raise an exception
die('You are not authorized to delete a link.'); die('You are not authorized to delete a link.');
} }
$url = $this->links[$offset]['url']; $url = $this->_links[$offset]['url'];
unset($this->urls[$url]); unset($this->_urls[$url]);
unset($this->links[$offset]); unset($this->_links[$offset]);
} }
/** /**
@ -127,7 +127,7 @@ public function offsetUnset($offset)
*/ */
public function offsetGet($offset) public function offsetGet($offset)
{ {
return isset($this->links[$offset]) ? $this->links[$offset] : null; return isset($this->_links[$offset]) ? $this->_links[$offset] : null;
} }
/** /**
@ -135,7 +135,7 @@ public function offsetGet($offset)
*/ */
function current() function current()
{ {
return $this->links[$this->keys[$this->position]]; return $this->_links[$this->_keys[$this->_position]];
} }
/** /**
@ -143,7 +143,7 @@ function current()
*/ */
function key() function key()
{ {
return $this->keys[$this->position]; return $this->_keys[$this->_position];
} }
/** /**
@ -151,7 +151,7 @@ function key()
*/ */
function next() function next()
{ {
++$this->position; ++$this->_position;
} }
/** /**
@ -161,9 +161,9 @@ function next()
*/ */
function rewind() function rewind()
{ {
$this->keys = array_keys($this->links); $this->_keys = array_keys($this->_links);
rsort($this->keys); rsort($this->_keys);
$this->position = 0; $this->_position = 0;
} }
/** /**
@ -171,7 +171,7 @@ function rewind()
*/ */
function valid() function valid()
{ {
return isset($this->keys[$this->position]); return isset($this->_keys[$this->_position]);
} }
/** /**
@ -179,14 +179,14 @@ function valid()
* *
* If no DB file is found, creates a dummy DB. * If no DB file is found, creates a dummy DB.
*/ */
private function checkDB() private function _checkDB()
{ {
if (file_exists($this->datastore)) { if (file_exists($this->_datastore)) {
return; return;
} }
// Create a dummy database for example // Create a dummy database for example
$this->links = array(); $this->_links = array();
$link = array( $link = array(
'title'=>' Shaarli: the personal, minimalist, super-fast, no-database delicious clone', 'title'=>' Shaarli: the personal, minimalist, super-fast, no-database delicious clone',
'url'=>'https://github.com/shaarli/Shaarli/wiki', 'url'=>'https://github.com/shaarli/Shaarli/wiki',
@ -199,7 +199,7 @@ private function checkDB()
'linkdate'=> date('Ymd_His'), 'linkdate'=> date('Ymd_His'),
'tags'=>'opensource software' 'tags'=>'opensource software'
); );
$this->links[$link['linkdate']] = $link; $this->_links[$link['linkdate']] = $link;
$link = array( $link = array(
'title'=>'My secret stuff... - Pastebin.com', 'title'=>'My secret stuff... - Pastebin.com',
@ -209,60 +209,60 @@ private function checkDB()
'linkdate'=> date('Ymd_His', strtotime('-1 minute')), 'linkdate'=> date('Ymd_His', strtotime('-1 minute')),
'tags'=>'secretstuff' 'tags'=>'secretstuff'
); );
$this->links[$link['linkdate']] = $link; $this->_links[$link['linkdate']] = $link;
// Write database to disk // Write database to disk
// TODO: raise an exception if the file is not write-able // TODO: raise an exception if the file is not write-able
file_put_contents( file_put_contents(
$this->datastore, $this->_datastore,
self::$phpPrefix.base64_encode(gzdeflate(serialize($this->links))).self::$phpSuffix self::$phpPrefix.base64_encode(gzdeflate(serialize($this->_links))).self::$phpSuffix
); );
} }
/** /**
* Reads database from disk to memory * Reads database from disk to memory
*/ */
private function readdb() private function _readDB()
{ {
// Public links are hidden and user not logged in => nothing to show // Public links are hidden and user not logged in => nothing to show
if ($this->hidePublicLinks && !$this->loggedIn) { if ($this->_hidePublicLinks && !$this->_loggedIn) {
$this->links = array(); $this->_links = array();
return; return;
} }
// Read data // Read data
// Note that gzinflate is faster than gzuncompress. // Note that gzinflate is faster than gzuncompress.
// See: http://www.php.net/manual/en/function.gzdeflate.php#96439 // See: http://www.php.net/manual/en/function.gzdeflate.php#96439
$this->links = array(); $this->_links = array();
if (file_exists($this->datastore)) { if (file_exists($this->_datastore)) {
$this->links = unserialize(gzinflate(base64_decode( $this->_links = unserialize(gzinflate(base64_decode(
substr(file_get_contents($this->datastore), substr(file_get_contents($this->_datastore),
strlen(self::$phpPrefix), -strlen(self::$phpSuffix))))); strlen(self::$phpPrefix), -strlen(self::$phpSuffix)))));
} }
// If user is not logged in, filter private links. // If user is not logged in, filter private links.
if (!$this->loggedIn) { if (!$this->_loggedIn) {
$toremove = array(); $toremove = array();
foreach ($this->links as $link) { foreach ($this->_links as $link) {
if ($link['private'] != 0) { if ($link['private'] != 0) {
$toremove[] = $link['linkdate']; $toremove[] = $link['linkdate'];
} }
} }
foreach ($toremove as $linkdate) { foreach ($toremove as $linkdate) {
unset($this->links[$linkdate]); unset($this->_links[$linkdate]);
} }
} }
// Keep the list of the mapping URLs-->linkdate up-to-date. // Keep the list of the mapping URLs-->linkdate up-to-date.
$this->urls = array(); $this->_urls = array();
foreach ($this->links as $link) { foreach ($this->_links as $link) {
$this->urls[$link['url']] = $link['linkdate']; $this->_urls[$link['url']] = $link['linkdate'];
} }
// Escape links data // Escape links data
foreach($this->links as &$link) { foreach($this->_links as &$link) {
sanitizeLink($link); sanitizeLink($link);
} }
} }
@ -272,13 +272,13 @@ private function readdb()
*/ */
public function savedb() public function savedb()
{ {
if (!$this->loggedIn) { if (!$this->_loggedIn) {
// TODO: raise an Exception instead // TODO: raise an Exception instead
die('You are not authorized to change the database.'); die('You are not authorized to change the database.');
} }
file_put_contents( file_put_contents(
$this->datastore, $this->_datastore,
self::$phpPrefix.base64_encode(gzdeflate(serialize($this->links))).self::$phpSuffix self::$phpPrefix.base64_encode(gzdeflate(serialize($this->_links))).self::$phpSuffix
); );
invalidateCaches(); invalidateCaches();
} }
@ -288,8 +288,8 @@ public function savedb()
*/ */
public function getLinkFromUrl($url) public function getLinkFromUrl($url)
{ {
if (isset($this->urls[$url])) { if (isset($this->_urls[$url])) {
return $this->links[$this->urls[$url]]; return $this->_links[$this->_urls[$url]];
} }
return false; return false;
} }
@ -316,7 +316,7 @@ public function filterFulltext($searchterms)
$search = mb_convert_case($searchterms, MB_CASE_LOWER, 'UTF-8'); $search = mb_convert_case($searchterms, MB_CASE_LOWER, 'UTF-8');
$keys = array('title', 'description', 'url', 'tags'); $keys = array('title', 'description', 'url', 'tags');
foreach ($this->links as $link) { foreach ($this->_links as $link) {
$found = false; $found = false;
foreach ($keys as $key) { foreach ($keys as $key) {
@ -352,7 +352,7 @@ public function filterTags($tags, $casesensitive=false)
$searchtags = explode(' ', $t); $searchtags = explode(' ', $t);
$filtered = array(); $filtered = array();
foreach ($this->links as $l) { foreach ($this->_links as $l) {
$linktags = explode( $linktags = explode(
' ', ' ',
($casesensitive ? $l['tags']:mb_convert_case($l['tags'], MB_CASE_LOWER, 'UTF-8')) ($casesensitive ? $l['tags']:mb_convert_case($l['tags'], MB_CASE_LOWER, 'UTF-8'))
@ -380,7 +380,7 @@ public function filterDay($day)
} }
$filtered = array(); $filtered = array();
foreach ($this->links as $l) { foreach ($this->_links as $l) {
if (startsWith($l['linkdate'], $day)) { if (startsWith($l['linkdate'], $day)) {
$filtered[$l['linkdate']] = $l; $filtered[$l['linkdate']] = $l;
} }
@ -395,7 +395,7 @@ public function filterDay($day)
public function filterSmallHash($smallHash) public function filterSmallHash($smallHash)
{ {
$filtered = array(); $filtered = array();
foreach ($this->links as $l) { foreach ($this->_links as $l) {
if ($smallHash == smallHash($l['linkdate'])) { if ($smallHash == smallHash($l['linkdate'])) {
// Yes, this is ugly and slow // Yes, this is ugly and slow
$filtered[$l['linkdate']] = $l; $filtered[$l['linkdate']] = $l;
@ -412,7 +412,7 @@ public function filterSmallHash($smallHash)
public function allTags() public function allTags()
{ {
$tags = array(); $tags = array();
foreach ($this->links as $link) { foreach ($this->_links as $link) {
foreach (explode(' ', $link['tags']) as $tag) { foreach (explode(' ', $link['tags']) as $tag) {
if (!empty($tag)) { if (!empty($tag)) {
$tags[$tag] = (empty($tags[$tag]) ? 1 : $tags[$tag] + 1); $tags[$tag] = (empty($tags[$tag]) ? 1 : $tags[$tag] + 1);
@ -431,7 +431,7 @@ public function allTags()
public function days() public function days()
{ {
$linkDays = array(); $linkDays = array();
foreach (array_keys($this->links) as $day) { foreach (array_keys($this->_links) as $day) {
$linkDays[substr($day, 0, 8)] = 0; $linkDays[substr($day, 0, 8)] = 0;
} }
$linkDays = array_keys($linkDays); $linkDays = array_keys($linkDays);

4
tests/LinkDBTest.php
View file

@ -103,7 +103,7 @@ public function testCheckDBNew()
unlink(self::$testDatastore); unlink(self::$testDatastore);
$this->assertFileNotExists(self::$testDatastore); $this->assertFileNotExists(self::$testDatastore);
$checkDB = self::getMethod('checkDB'); $checkDB = self::getMethod('_checkDB');
$checkDB->invokeArgs($linkDB, array()); $checkDB->invokeArgs($linkDB, array());
$this->assertFileExists(self::$testDatastore); $this->assertFileExists(self::$testDatastore);
@ -120,7 +120,7 @@ public function testCheckDBLoad()
$datastoreSize = filesize(self::$testDatastore); $datastoreSize = filesize(self::$testDatastore);
$this->assertGreaterThan(0, $datastoreSize); $this->assertGreaterThan(0, $datastoreSize);
$checkDB = self::getMethod('checkDB'); $checkDB = self::getMethod('_checkDB');
$checkDB->invokeArgs($linkDB, array()); $checkDB->invokeArgs($linkDB, array());
// ensure the datastore is left unmodified // ensure the datastore is left unmodified

20
tests/utils/ReferenceLinkDB.php
View file

@ -4,9 +4,9 @@
*/ */
class ReferenceLinkDB class ReferenceLinkDB
{ {
private $links = array(); private $_links = array();
private $publicCount = 0; private $_publicCount = 0;
private $privateCount = 0; private $_privateCount = 0;
/** /**
* Populates the test DB with reference data * Populates the test DB with reference data
@ -81,13 +81,13 @@ protected function addLink($title, $url, $description, $private, $date, $tags)
'linkdate' => $date, 'linkdate' => $date,
'tags' => $tags, 'tags' => $tags,
); );
$this->links[$date] = $link; $this->_links[$date] = $link;
if ($private) { if ($private) {
$this->privateCount++; $this->_privateCount++;
return; return;
} }
$this->publicCount++; $this->_publicCount++;
} }
/** /**
@ -97,7 +97,7 @@ public function write($filename)
{ {
file_put_contents( file_put_contents(
$filename, $filename,
'<?php /* '.base64_encode(gzdeflate(serialize($this->links))).' */ ?>' '<?php /* '.base64_encode(gzdeflate(serialize($this->_links))).' */ ?>'
); );
} }
@ -106,7 +106,7 @@ public function write($filename)
*/ */
public function countLinks() public function countLinks()
{ {
return $this->publicCount + $this->privateCount; return $this->_publicCount + $this->_privateCount;
} }
/** /**
@ -114,7 +114,7 @@ public function countLinks()
*/ */
public function countPublicLinks() public function countPublicLinks()
{ {
return $this->publicCount; return $this->_publicCount;
} }
/** /**
@ -122,7 +122,7 @@ public function countPublicLinks()
*/ */
public function countPrivateLinks() public function countPrivateLinks()
{ {
return $this->privateCount; return $this->_privateCount;
} }
} }
?> ?>