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<?php |
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// If this file is called directly, abort. |
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if (!defined('ABSPATH')) { |
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exit; |
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} |
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|
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|
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/** |
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* The site error logs for the plugin. |
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* |
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* @since 1.0.0 |
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* @package Metasync |
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* @subpackage Metasync/site-error-logs |
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* @author Engineering Team <[email protected]> |
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*/ |
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class Metasync_Error_Logs |
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{ |
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/** |
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* The log file path |
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* @var string |
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*/ |
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private $log_file_path = null; |
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|
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/** |
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* The error message if log cannot be displayed |
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* @var string |
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*/ |
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private $error_message = ''; |
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|
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/** |
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* Maximum log file size in bytes (10MB) |
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* @var int |
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*/ |
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private $max_log_size = 10485760; // 10MB |
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|
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/** |
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* Show copy button - integrated into preview header |
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*/ |
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public function show_copy_button() |
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{ |
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// Button is now shown in the preview header |
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// Keeping this method for backward compatibility |
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} |
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|
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/** |
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* Show information about the error log file. |
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* Info is now integrated into the preview header |
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*/ |
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public function show_info() |
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{ |
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// Info is now shown in the preview header |
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// Keeping this method for backward compatibility |
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} |
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|
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/** |
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* Show strong message. |
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*/ |
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public function show_strong_message($message) |
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{ |
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?> |
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<strong class="error-log-cannot-display"><?php echo esc_html($message) ?></strong><br> |
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<?php |
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} |
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|
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/** |
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* Show strong message. |
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*/ |
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public function show_code_html($code) |
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{ |
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?> |
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<code><?php echo esc_html($code); ?></code> |
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<?php |
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} |
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|
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/** |
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* Show error log preview with sitemap-style layout |
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*/ |
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public function show_logs() |
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{ |
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$log_file = $this->get_actual_log_path(); |
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$log_content = $this->get_error_logs(-1); // Get all content to count lines |
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$lines = explode("\n", $log_content); |
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$total_lines = count(array_filter($lines, 'strlen')); // Count non-empty lines |
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|
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// Get last 100 lines for preview |
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$preview_lines = array_slice($lines, -100); |
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$preview_content = implode("\n", $preview_lines); |
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$hidden_lines = max(0, $total_lines - 100); |
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?> |
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<div class="metasync-sitemap-preview-container" style="margin-top: 20px;"> |
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<div class="metasync-sitemap-preview-header" style="display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; background: var(--dashboard-card-bg); border: 1px solid var(--dashboard-border); border-bottom: none; border-radius: 8px 8px 0 0;"> |
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<span class="metasync-preview-label" style="font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace; font-size: 13px; color: var(--dashboard-text-primary); font-weight: 500;"> |
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📄 plugin_errors.log |
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<span style="color: var(--dashboard-text-secondary); font-weight: normal; margin-left: 8px;"> |
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(<?php echo esc_html($this->get_human_number($this->wp_filesystem()->size($log_file))); ?> • <?php echo esc_html(number_format($total_lines)); ?> lines) |
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</span> |
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</span> |
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<div style="display: flex; gap: 8px;"> |
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<button type="button" class="button button-small" id="copy-log-btn" style="display: flex; align-items: center; gap: 4px;"> |
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<span class="dashicons dashicons-clipboard" style="font-size: 16px; width: 16px; height: 16px;"></span> |
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Copy to Clipboard |
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</button> |
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<a href="<?php echo esc_url(content_url('metasync_data/plugin_errors.log')); ?>" target="_blank" class="button button-small" style="display: flex; align-items: center; gap: 4px;"> |
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<span class="dashicons dashicons-external" style="font-size: 16px; width: 16px; height: 16px;"></span> |
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View Full Log |
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</a> |
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</div> |
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</div> |
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<div class="metasync-sitemap-code-block" style="background: var(--dashboard-card-bg); border: 1px solid var(--dashboard-border); border-radius: 0 0 8px 8px; padding: 20px; overflow: auto; max-height: 500px;"> |
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<pre id="error-log-content" style="margin: 0; padding: 0; font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace; font-size: 12px; line-height: 1.6; color: var(--dashboard-text-primary); white-space: pre-wrap; word-wrap: break-word;"><?php |
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if ($hidden_lines > 0) { |
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echo esc_html("... [" . number_format($hidden_lines) . " earlier lines hidden]\n\n"); |
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} |
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echo esc_html($preview_content); |
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?></pre> |
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</div> |
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</div> |
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|
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<?php |
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} |
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|
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/** |
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* Show message if the log cannot be established. |
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*/ |
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public function can_show_error_logs() |
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{ |
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// Reset error message |
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$this->error_message = ''; |
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|
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// Create the error log file first |
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$file_path = $this->createErrorLog(); |
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|
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// Store the log file path for use in other methods |
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$this->log_file_path = $file_path; |
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|
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// Use the created log file path instead of ini_get('error_log') |
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$log_file = $file_path; |
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|
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if (empty($file_path)) { |
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$this->error_message = 'Unable to create error log file.'; |
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return false; |
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} |
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|
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$wp_filesystem = $this->wp_filesystem(); |
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|
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if (is_null($wp_filesystem)) { |
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$this->error_message = 'WordPress filesystem not available.'; |
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return false; |
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} |
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|
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if (!$wp_filesystem->exists($log_file)) { |
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$this->error_message = 'Error log file does not exist: ' . $log_file; |
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return false; |
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} |
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|
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if (!$wp_filesystem->is_readable($log_file)) { |
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$this->error_message = 'Error log file is not readable.'; |
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return false; |
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} |
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|
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// Error log must be smaller than 100 MB. |
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$size = $wp_filesystem->size($log_file); |
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if ($size > 100000000) { |
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$wp_filesystem->delete($log_file); |
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$this->error_message = 'The error log cannot be retrieved: Error log file is too large.'; |
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return false; |
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} |
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|
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return true; |
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} |
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|
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/** |
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* Get the error message if log cannot be displayed. |
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* @return string |
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*/ |
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public function get_error_message() |
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{ |
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return $this->error_message; |
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} |
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|
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/** |
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* WordPress filesystem for use. |
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* |
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* @return string |
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*/ |
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public function get_error_logs($limit = -1) |
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{ |
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$wp_filesystem = $this->wp_filesystem(); |
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|
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// Use the actual log file path |
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$log_file = $this->get_actual_log_path(); |
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|
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if (empty($log_file) || !$wp_filesystem->exists($log_file)) { |
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return ''; |
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} |
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|
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$contents = $wp_filesystem->get_contents_array($log_file); |
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|
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if (-1 === $limit) { |
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return join('', $contents); |
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} |
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|
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return join('', array_slice($contents, -$limit)); |
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} |
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|
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/** |
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* WordPress filesystem for use. |
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* |
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* @return object |
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*/ |
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private function wp_filesystem() |
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{ |
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global $wp_filesystem; |
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|
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if (empty($wp_filesystem)) { |
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require_once ABSPATH . '/wp-admin/includes/file.php'; |
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WP_Filesystem(); |
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} |
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|
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return $wp_filesystem; |
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} |
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|
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/** |
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* Get error log file location. |
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* |
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* @return string |
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*/ |
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private function get_log_path() |
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{ |
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return ini_get('error_log') != '' ? ini_get('error_log') : ''; |
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} |
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|
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/** |
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* Get the actual log file path (either stored or create a new one). |
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* |
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* @return string |
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*/ |
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private function get_actual_log_path() |
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{ |
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// If we have a stored log file path, use it |
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if (!empty($this->log_file_path)) { |
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return $this->log_file_path; |
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} |
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|
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// Otherwise, try to get the default log path |
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$log_file = $this->get_log_path(); |
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|
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// If default path is empty or doesn't exist, create one |
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if (empty($log_file)) { |
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$log_file = $this->createErrorLog(); |
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$this->log_file_path = $log_file; |
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} |
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|
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return $log_file; |
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} |
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|
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/** |
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* Clear the log. |
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* @return void |
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*/ |
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public static function clear() |
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{ |
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if (ini_get('error_log') === '') return; |
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$handle = fopen(ini_get('error_log'), 'w'); |
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fclose($handle); |
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} |
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|
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/** |
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* Get human read number of units. |
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* |
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* @param int $bytes |
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* @return string |
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*/ |
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public function get_human_number(int $bytes) |
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{ |
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if ($bytes >= 1073741824) { |
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$bytes = number_format($bytes / 1073741824, 2) . ' GB'; |
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} elseif ($bytes >= 1048576) { |
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$bytes = number_format($bytes / 1048576, 2) . ' MB'; |
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} elseif ($bytes >= 1024) { |
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$bytes = number_format($bytes / 1024, 2) . ' KB'; |
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} elseif ($bytes > 1) { |
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$bytes = $bytes . ' bytes'; |
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} elseif ($bytes == 1) { |
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$bytes = $bytes . ' byte'; |
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} else { |
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$bytes = '0 bytes'; |
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} |
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|
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return $bytes; |
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} |
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|
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/** |
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* Get or create the error log file path |
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* Points to /metasync_data/plugin_errors.log which is actively written by Log_Manager |
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* |
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* @return string|false Log file path or false on failure |
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*/ |
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public function createErrorLog() |
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{ |
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// Use the same directory as Log_Manager for consistency |
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$log_directory = WP_CONTENT_DIR . '/metasync_data'; |
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|
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// Create directory if it doesn't exist |
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if (!is_dir($log_directory)) { |
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if (!@mkdir($log_directory, 0755, true)) { |
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error_log('Metasync_Error_Logs: Failed to create log directory: ' . $log_directory); |
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return false; |
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} |
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} |
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|
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// Verify directory is writable |
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if (!is_writable($log_directory)) { |
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@chmod($log_directory, 0755); |
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if (!is_writable($log_directory)) { |
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error_log('Metasync_Error_Logs: Directory not writable: ' . $log_directory); |
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return false; |
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} |
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} |
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|
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// Point to the actual log file being written by Log_Manager |
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$log_file = wp_normalize_path($log_directory . '/plugin_errors.log'); |
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|
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// Create file if it doesn't exist |
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if (!file_exists($log_file)) { |
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if (@file_put_contents($log_file, '') === false) { |
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error_log('Metasync_Error_Logs: Failed to create log file: ' . $log_file); |
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return false; |
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} |
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@chmod($log_file, 0644); |
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} |
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|
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// Rotate log file if it's too large |
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$this->rotate_log_if_needed($log_file); |
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|
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return $log_file; |
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} |
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|
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/** |
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* Rotate log file if it exceeds maximum size |
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* Keeps the most recent entries and archives old ones |
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* |
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* @param string $log_file Path to the log file |
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* @return bool True if rotation occurred, false otherwise |
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*/ |
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private function rotate_log_if_needed($log_file) |
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{ |
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if (!file_exists($log_file)) { |
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return false; |
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} |
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|
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$file_size = filesize($log_file); |
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|
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// If file is under the limit, no rotation needed |
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if ($file_size < $this->max_log_size) { |
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return false; |
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} |
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|
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// Create backup of current log with timestamp |
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$backup_file = $log_file . '.old.' . date('Y-m-d-His'); |
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|
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// Read last 50% of the file to keep recent entries |
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$wp_filesystem = $this->wp_filesystem(); |
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if (!$wp_filesystem) { |
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return false; |
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} |
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|
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$content = $wp_filesystem->get_contents($log_file); |
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if ($content === false) { |
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return false; |
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} |
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|
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// Split into lines and keep the most recent half |
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$lines = explode("\n", $content); |
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$total_lines = count($lines); |
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$keep_lines = (int) ($total_lines / 2); |
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|
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// Keep the most recent lines |
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$recent_content = implode("\n", array_slice($lines, -$keep_lines)); |
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|
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// Archive old content |
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@file_put_contents($backup_file, $content); |
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@chmod($backup_file, 0644); |
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|
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// Write recent content back to main log |
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$wp_filesystem->put_contents($log_file, $recent_content, FS_CHMOD_FILE); |
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|
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// Clean up old backup files (keep only last 3 backups) |
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$this->cleanup_old_backups(dirname($log_file)); |
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|
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return true; |
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} |
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|
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/** |
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* Clean up old backup log files |
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* Keeps only the 3 most recent backup files |
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* |
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* @param string $directory Directory containing backup files |
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*/ |
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private function cleanup_old_backups($directory) |
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{ |
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$backup_files = glob($directory . '/plugin_errors.log.old.*'); |
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|
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if (!$backup_files || count($backup_files) <= 3) { |
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return; |
| 406 |
} |
| 407 |
|
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// Sort by modification time (newest first) |
| 409 |
usort($backup_files, function($a, $b) { |
| 410 |
return filemtime($b) - filemtime($a); |
| 411 |
}); |
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|
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// Delete all but the 3 newest |
| 414 |
$files_to_delete = array_slice($backup_files, 3); |
| 415 |
foreach ($files_to_delete as $file) { |
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@unlink($file); |
| 417 |
} |
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} |
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} |
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|
