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111 lines
2.6 KiB
111 lines
2.6 KiB
<?php
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define('PROJECT_LOGS_DIR', $cwd. '/log');
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class logger {
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private $handle;
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/**
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* Get Filename for writing to Log file
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* @param string $filename for log
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* @param int $max_count of lines before file wipe, to keep small logs.
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*/
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public function __construct(string $filename = 'neato_Installer', int $max_count = 1000) {
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if (strpos($filename, "..") !== false) {
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$this->handle = false; // Too dangerious, so return false
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} else {
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if (! is_dir(PROJECT_LOGS_DIR)){
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//Directory does not exist, so lets create it.
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mkdir(PROJECT_LOGS_DIR, 0775);
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}
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$filename = preg_replace("|[^A-Za-z0-9_]|", "", $filename);
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$filename = escapeshellcmd($filename);
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$file = PROJECT_LOGS_DIR . '/' . $filename . ".log.txt";
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if ($max_count > 1) {
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if ($this->get_lines($file) > $max_count) {
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unlink($file);
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}
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}
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$success = touch($file);
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if ($success === false) {
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$this->handle = false;
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return false;
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}
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chmod($file, 0660);
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if (! is_writable($file)) {
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$this->handle = false;
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return false;
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}
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$this->handle = fopen($file, 'a');
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}
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}
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/**
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* Count number of lines in Log File
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* @param string $file
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* @return int line count
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*/
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public function get_lines(string $file): int {
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// No such file, so return zero for length.
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if (! file_exists($file)) {
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return 0;
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}
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$f = fopen($file, 'rb');
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$lines = 0;
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if ($f === false || !is_resource($f)) {
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return 0;
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}
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while (!feof($f)) {
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$line = fread($f, 8192);
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if ($line === false) {
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return 0;
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}
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$lines += substr_count($line, "\n");
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}
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fclose($f);
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return $lines;
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}
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/**
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* Write to Log File
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* @param string $message to save
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* @return bool able to write to log file
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*/
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public function write(string $message): bool {
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if ( $this->handle === false || ! is_resource($this->handle) ) {
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return false;
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}
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$tz = configure::get('logger_time_zone');
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if ($tz !== false && !empty($tz)) {
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$tz_obj = new \DateTimeZone($tz);
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$dt = new \DateTime();
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$dt->setTimezone($tz_obj);
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$now = $dt->format('g:i A \o\n l jS F Y');
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} else {
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$dt = new \DateTime();
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$now = $dt->format('g:i A \o\n l jS F Y');
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}
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fwrite($this->handle, $now . ' - ' . print_r($message, true) . "\n");
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return true;
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}
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/**
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* Close Log File Handle
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*/
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public function __destruct() {
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if ($this->handle !== false && is_resource($this->handle)) {
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fclose($this->handle);
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}
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}
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} // end of Logger
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