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<?php |
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/** |
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* @author Steven Bühner |
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* @license MIT |
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*/ |
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namespace HtpasswdManager\Service; |
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class HtpasswdService { |
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private $filename; |
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// Caching of htpasswd-file |
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private $userListCache = NULL; |
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private $htpasswdCache = NULL; |
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// Static Variables |
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protected static $REGULAR_USER_PASSWORD = '~^([^:]+):(.+)$~im'; |
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public function __construct($htpasswd_filename) { |
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$this->filename = $htpasswd_filename; |
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$this->createFileIfNotExistant(); |
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} |
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private function createFileIfNotExistant() { |
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if (false === file_exists($this->filename)) { |
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touch($this->filename); |
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} |
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} |
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private function getHtpasswdContent() { |
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if ($this->htpasswdCache === NULL) { |
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$this->htpasswdCache = file_get_contents($this->filename); |
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} |
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return $this->htpasswdCache; |
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} |
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private function updateHtpasswdContent() { |
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$this->htpasswdCache = NULL; |
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$this->userListCache = NULL; |
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$this->getUserList(); |
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} |
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public function getUserList() { |
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if ($this->userListCache === NULL) { |
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$result = array(); |
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$content = $this->getHtpasswdContent(); |
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if (preg_match_all($this::$REGULAR_USER_PASSWORD, $content, $matches, PREG_PATTERN_ORDER) !== false) { |
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foreach ($matches [1] as $i => $user) { |
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$result [$user] = $matches [2] [$i]; |
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} |
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} |
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$this->userListCache = $result; |
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} |
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return $this->userListCache; |
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} |
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private function encodePassword($password) { |
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return crypt($password, substr(str_replace('+', '.', base64_encode(pack('N4', mt_rand(), mt_rand(), mt_rand(), mt_rand()))), 0, 22)); |
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} |
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private function getNewUserEncodedString($username, $password) { |
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return $username . ':' . $this->encodePassword($password) . "\n"; |
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} |
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public function addUser($username, $password) { |
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$newContent = $this->getHtpasswdContent(); |
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$newContent .= $this->getNewUserEncodedString($username, $password); |
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$this->replaceHtPasswdContent($newContent); |
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} |
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public function updateUser($username, $password) { |
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if ($this->userExists($username)) { |
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$this->deleteUser($username); |
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} |
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$this->addUser($username, $password); |
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} |
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public function deleteUser($username) { |
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$newContent = ''; |
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$usernameDeleted = false; |
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if (preg_match_all($this::$REGULAR_USER_PASSWORD, $this->getHtpasswdContent(), $match) > 0) { |
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foreach ($match [1] as $i => $user) { |
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if ($user == $username) { |
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$usernameDeleted = true; |
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} else { |
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$newContent .= $match [0] [$i] . "\n"; |
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} |
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} |
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if (true === $usernameDeleted) { |
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$this->replaceHtPasswdContent($newContent); |
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} |
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} |
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return $usernameDeleted; |
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} |
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private function replaceHtPasswdContent($newContent) { |
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$fp = fopen($this->filename, 'w'); |
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fwrite($fp, $newContent); |
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fclose($fp); |
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$this->updateHtpasswdContent(); |
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} |
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public function userExists($username) { |
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$userList = $this->getUserList(); |
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if (isset ($userList [$username])) |
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return true; |
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return false; |
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} |
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} |
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stevenbuehner /
HtpasswdManager
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This check marks parameter names that have not been written in camelCase.
In camelCase names are written without any punctuation, the start of each new word being marked by a capital letter. Thus the name database connection string becomes
databaseConnectionString.