fork

2019-08-30 19:30:19 +02:00
commit 6f2b105ca0
595 changed files with 78405 additions and 0 deletions
--- a/util/crayon_log.class.php
+++ b/util/crayon_log.class.php
@ -0,0 +1,94 @@
+<?php
+require_once (CRAYON_ROOT_PATH . 'crayon_settings.class.php');
+
+/* Manages logging variable values to the log file. */
+class CrayonLog {
+	private static $file = NULL;
+
+	// Logs a variable value to a log file
+
+	public static function log($var = NULL, $title = '', $trim_url = TRUE) {
+		if ($var === NULL) {
+			// Return log
+
+			if (($log = CrayonUtil::file(CRAYON_LOG_FILE)) !== FALSE) {
+				return $log;
+			} else {
+				return '';
+			}
+		} else {
+			try {
+				if (self::$file == NULL) {
+					self::$file = @fopen(CRAYON_LOG_FILE, 'a+');
+
+					if (self::$file) {
+						$header = /*CRAYON_DASH .*/ CRAYON_NL . '[Crayon Syntax Highlighter Log Entry - ' . date('g:i:s A - d M Y') . ']' . CRAYON_NL .
+							/*CRAYON_DASH .*/ CRAYON_NL;
+						fwrite(self::$file, $header);
+					} else {
+						return;
+					}
+				}
+				// Capture variable dump
+                $buffer = trim(strip_tags(var_export($var, true)));
+				$title = (!empty($title) ? " [$title]" : '');
+
+				// Remove absolute path to plugin directory from buffer
+				if ($trim_url) {
+					$buffer = CrayonUtil::path_rel($buffer);
+				}
+				$write = $title . ' ' . $buffer . CRAYON_NL /* . CRAYON_LINE . CRAYON_NL*/;
+				
+				// If we exceed max file size, truncate file first
+				if (filesize(CRAYON_LOG_FILE) + strlen($write) > CRAYON_LOG_MAX_SIZE) {
+					ftruncate(self::$file, 0);
+					fwrite(self::$file, 'The log has been truncated since it exceeded ' . CRAYON_LOG_MAX_SIZE .
+						' bytes.' . CRAYON_NL . /*CRAYON_LINE .*/ CRAYON_NL);
+				}
+				clearstatcache();
+				fwrite(self::$file, $write, CRAYON_LOG_MAX_SIZE);
+			} catch (Exception $e) {
+				// Ignore fatal errors during logging
+			}
+		}
+	}
+
+	// Logs system-wide only if global settings permit
+
+	public static function syslog($var = NULL, $title = '', $trim_url = TRUE) {
+		if (CrayonGlobalSettings::val(CrayonSettings::ERROR_LOG_SYS)) {
+			$title = (empty($title)) ? 'SYSTEM LOG' : $title;
+			self::log($var, $title, $trim_url);
+		}
+	}
+	
+	public static function debug($var = NULL, $title = '', $trim_url = TRUE) {
+		if (CRAYON_DEBUG) {
+			$title = (empty($title)) ? 'DEBUG' : $title;
+			self::log($var, $title, $trim_url);
+		}
+	}
+
+	public static function clear() {
+		if (!@unlink(CRAYON_LOG_FILE)) {
+			// Will result in nothing if we can't log
+
+			self::log('The log could not be cleared', 'Log Clear');
+		}
+		self::$file = NULL; // Remove file handle
+
+	}
+
+	public static function email($to, $from = NULL) {
+		if (($log_contents = CrayonUtil::file(CRAYON_LOG_FILE)) !== FALSE) {
+			$headers = $from ? 'From: ' . $from : '';
+			$result = @mail($to, 'Crayon Syntax Highlighter Log', $log_contents, $headers);
+			self::log('The log was emailed to the admin.', 'Log Email');
+		} else {
+			// Will result in nothing if we can't email
+
+			self::log("The log could not be emailed to $to.", 'Log Email');
+		}
+	}
+}
+?>