cschantz
296113db99
Added existence checks and error handling for all source commands
to prevent silent failures when dependencies are missing.
Library files (use 'return' for error):
- reference-db.sh: Added checks for 3 dependencies
- mysql-analyzer.sh: Added checks for 3 dependencies
- domain-discovery.sh: Added checks for 2 dependencies
- system-detect.sh: Added check for common-functions.sh
- plesk-helpers.sh: Added check for common-functions.sh
- user-manager.sh: Added checks for 2 dependencies
Executable scripts (use 'exit' for error):
- wordpress-cron-manager.sh: Added checks for 2 dependencies
- website-error-analyzer.sh: Added checks for 4 dependencies
Pattern: [ -f "file" ] && source "file" || { echo "ERROR" >&2; return/exit 1; }
This ensures scripts fail fast with clear error messages when
required dependencies are missing, rather than continuing with
undefined functions.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
1002 lines
41 KiB
Bash
Executable File
1002 lines
41 KiB
Bash
Executable File
#!/bin/bash
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################################################################################
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# Intelligent Website Error Analyzer
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################################################################################
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# Purpose: Find REAL website issues affecting REAL users
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# Filters out: Bots, plugin warnings, deprecation notices, minor issues
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# Focuses on: Critical errors that break sites for actual visitors
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################################################################################
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
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[ -f "$SCRIPT_DIR/lib/common-functions.sh" ] && source "$SCRIPT_DIR/lib/common-functions.sh" || { echo "ERROR: common-functions.sh not found" >&2; exit 1; }
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[ -f "$SCRIPT_DIR/lib/system-detect.sh" ] && source "$SCRIPT_DIR/lib/system-detect.sh" || { echo "ERROR: system-detect.sh not found" >&2; exit 1; }
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[ -f "$SCRIPT_DIR/lib/user-manager.sh" ] && source "$SCRIPT_DIR/lib/user-manager.sh" || { echo "ERROR: user-manager.sh not found" >&2; exit 1; }
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[ -f "$SCRIPT_DIR/lib/ip-reputation.sh" ] && source "$SCRIPT_DIR/lib/ip-reputation.sh" || { echo "ERROR: ip-reputation.sh not found" >&2; exit 1; }
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# Configuration - Use system-detected paths
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APACHE_ERROR_LOG="/var/log/apache2/error_log" # Will be auto-detected
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DOMLOGS_DIR="${SYS_LOG_DIR}" # From system-detect.sh
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MODSEC_AUDIT_LOG="/usr/local/apache/logs/modsec_audit.log" # Will be auto-detected
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HOURS_TO_ANALYZE=24
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FILTER_USER=""
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FILTER_DOMAIN=""
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# Multi-panel support
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CONTROL_PANEL="${SYS_CONTROL_PANEL}"
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print_banner "Intelligent Website Error Analyzer"
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echo ""
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echo "Finding REAL issues affecting REAL users..."
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echo ""
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echo "What we filter out:"
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echo " ✗ Bot/scanner activity"
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echo " ✗ Plugin deprecation warnings"
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echo " ✗ PHP notices (non-critical)"
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echo " ✗ Random 404s for missing favicons/assets"
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echo " ✗ Security probe attempts"
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echo ""
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echo "What we focus on:"
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echo " ✓ 500 errors users actually see"
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echo " ✓ Fatal PHP errors breaking functionality"
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echo " ✓ Database connection failures"
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echo " ✓ Permission issues blocking access"
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echo " ✓ Memory exhaustion affecting performance"
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echo ""
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# Ask for filtering scope
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echo -e "${CYAN}Analysis Scope:${NC}"
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echo " 1) All users/domains (default)"
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echo " 2) Specific cPanel user"
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echo " 3) Specific domain"
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echo " 0) Cancel and return to menu"
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echo ""
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read -p "Select option [1]: " scope_choice
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scope_choice=${scope_choice:-1}
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case $scope_choice in
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0)
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echo ""
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echo "Analysis cancelled."
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echo ""
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exit 0
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;;
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2)
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# Select specific user
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select_user_interactive "Select cPanel user to analyze"
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if [ -n "$SELECTED_USER" ]; then
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FILTER_USER="$SELECTED_USER"
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echo "→ Filtering for user: $FILTER_USER"
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else
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echo ""
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echo "No user selected. Analysis cancelled."
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echo ""
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exit 0
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fi
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;;
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3)
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# Enter specific domain
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echo ""
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read -p "Enter domain name (e.g., example.com) or 0 to cancel: " FILTER_DOMAIN
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if [ "$FILTER_DOMAIN" = "0" ] || [ -z "$FILTER_DOMAIN" ]; then
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echo ""
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echo "Analysis cancelled."
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echo ""
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exit 0
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fi
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echo "→ Filtering for domain: $FILTER_DOMAIN"
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;;
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*)
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echo "→ Analyzing all users/domains"
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;;
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esac
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echo ""
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# Ask for time range
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echo -e "${CYAN}How far back should we analyze?${NC}"
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echo " 1) Last 1 hour"
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echo " 2) Last 6 hours"
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echo " 3) Last 24 hours (default)"
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echo " 4) Last 7 days"
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echo " 5) Last 30 days"
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echo " 0) Cancel and return to menu"
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echo ""
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read -p "Select option [3]: " time_choice
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time_choice=${time_choice:-3}
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case $time_choice in
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0)
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echo ""
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echo "Analysis cancelled."
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echo ""
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exit 0
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;;
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1) HOURS_TO_ANALYZE=1 ;;
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2) HOURS_TO_ANALYZE=6 ;;
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3) HOURS_TO_ANALYZE=24 ;;
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4) HOURS_TO_ANALYZE=168 ;;
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5) HOURS_TO_ANALYZE=720 ;;
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*) HOURS_TO_ANALYZE=24 ;;
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esac
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echo ""
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echo "→ Analyzing last $HOURS_TO_ANALYZE hours..."
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echo ""
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# Temporary files
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TEMP_DIR="/tmp/website-error-analysis-$$"
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mkdir -p "$TEMP_DIR"
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trap '[ -n "$TEMP_DIR" ] && rm -rf "$TEMP_DIR"' EXIT
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CRITICAL_ERRORS="$TEMP_DIR/critical.txt"
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USER_IMPACT_ERRORS="$TEMP_DIR/user_impact.txt"
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LOG_FILES_LIST="$TEMP_DIR/log_files.txt"
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# Discover all log file locations
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echo "→ Discovering log file locations..."
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> "$LOG_FILES_LIST"
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# Apache main error log (only if not filtering by user)
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if [ -z "$FILTER_USER" ] && [ -z "$FILTER_DOMAIN" ]; then
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for log in /var/log/apache2/error_log /usr/local/apache/logs/error_log /var/log/httpd/error_log; do
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[ -f "$log" ] && echo "$log|apache_main" >> "$LOG_FILES_LIST"
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done
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fi
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# Per-domain PHP error logs - Multi-panel support
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if [ -n "$FILTER_USER" ]; then
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# Specific user
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find "/home/$FILTER_USER" -name "error_log" -type f 2>/dev/null | while read -r log; do
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echo "$log|php_$FILTER_USER" >> "$LOG_FILES_LIST"
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done
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elif [ -n "$FILTER_DOMAIN" ]; then
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# Try to find domain's user using multi-panel method
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user=""
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case "$CONTROL_PANEL" in
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cpanel)
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user=$(grep "^${FILTER_DOMAIN}:" /etc/userdatadomains 2>/dev/null | cut -d: -f2 | awk -F'==' '{print $1}' | head -1)
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;;
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interworx)
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user=$(grep -l "ServerName ${FILTER_DOMAIN}" /etc/httpd/conf.d/vhost_*.conf 2>/dev/null | head -1 | \
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xargs grep "SuexecUserGroup" 2>/dev/null | awk '{print $2}')
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;;
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plesk)
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# Plesk domain-to-user lookup would require DB query
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user=$(plesk bin subscription --info "$FILTER_DOMAIN" 2>/dev/null | grep "Owner" | awk '{print $2}')
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;;
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esac
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if [ -n "$user" ]; then
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find "/home/$user" -name "error_log" -type f 2>/dev/null | while read -r log; do
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echo "$log|php_$FILTER_DOMAIN" >> "$LOG_FILES_LIST"
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done
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fi
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else
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# All users - Search based on control panel structure
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case "$CONTROL_PANEL" in
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cpanel)
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find /home/*/public_html -name "error_log" -type f 2>/dev/null | while read -r log; do
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username=$(echo "$log" | grep -oE '/home/[^/]+' | sed 's|/home/||')
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echo "$log|php_$username" >> "$LOG_FILES_LIST"
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done
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;;
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interworx)
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find /home/*/*/html -name "error_log" -type f 2>/dev/null | while read -r log; do
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username=$(echo "$log" | grep -oE '/home/[^/]+' | sed 's|/home/||')
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echo "$log|php_$username" >> "$LOG_FILES_LIST"
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done
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;;
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plesk)
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find /var/www/vhosts/*/httpdocs -name "error_log" -type f 2>/dev/null | while read -r log; do
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domain=$(echo "$log" | grep -oE '/vhosts/[^/]+' | sed 's|/vhosts/||')
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echo "$log|php_$domain" >> "$LOG_FILES_LIST"
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done
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;;
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*)
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# Standalone - try common locations
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find /var/www/html -name "error_log" -type f 2>/dev/null | while read -r log; do
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echo "$log|php_standalone" >> "$LOG_FILES_LIST"
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done
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;;
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esac
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fi
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# Per-domain Apache logs - Multi-panel support
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case "$CONTROL_PANEL" in
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cpanel)
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# cPanel: Centralized domlogs directory
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if [ -d "$DOMLOGS_DIR" ]; then
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if [ -n "$FILTER_DOMAIN" ]; then
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# Specific domain
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for log in "$DOMLOGS_DIR/$FILTER_DOMAIN" "$DOMLOGS_DIR/$FILTER_DOMAIN-"*; do
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[ -f "$log" ] && echo "$log|domlog_$FILTER_DOMAIN" >> "$LOG_FILES_LIST"
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done
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elif [ -n "$FILTER_USER" ]; then
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# Specific user - use get_user_domains from user-manager.sh
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user_domains=$(get_user_domains "$FILTER_USER" 2>/dev/null)
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if [ -n "$user_domains" ]; then
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while IFS= read -r domain; do
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for log in "$DOMLOGS_DIR/$domain" "$DOMLOGS_DIR/$domain-"*; do
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[ -f "$log" ] && echo "$log|domlog_$domain" >> "$LOG_FILES_LIST"
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done
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done <<< "$user_domains"
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fi
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else
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# All domains
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for log in "$DOMLOGS_DIR"/*; do
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[ -f "$log" ] && ! [[ "$log" =~ (bytes_log|offset|error_log|ftpxferlog)$ ]] && \
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echo "$log|domlog_$(basename "$log")" >> "$LOG_FILES_LIST"
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done
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fi
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fi
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;;
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interworx)
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# InterWorx: Per-domain logs in user home directories
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if [ -n "$FILTER_DOMAIN" ]; then
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# Specific domain - find its user
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user=$(grep -l "ServerName ${FILTER_DOMAIN}" /etc/httpd/conf.d/vhost_*.conf 2>/dev/null | head -1 | \
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xargs grep "SuexecUserGroup" 2>/dev/null | awk '{print $2}')
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if [ -n "$user" ]; then
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log="/home/${user}/var/${FILTER_DOMAIN}/logs/transfer.log"
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[ -f "$log" ] && echo "$log|domlog_$FILTER_DOMAIN" >> "$LOG_FILES_LIST"
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fi
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elif [ -n "$FILTER_USER" ]; then
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# Specific user - get their domains
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user_domains=$(get_user_domains "$FILTER_USER" 2>/dev/null)
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if [ -n "$user_domains" ]; then
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while IFS= read -r domain; do
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log="/home/${FILTER_USER}/var/${domain}/logs/transfer.log"
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[ -f "$log" ] && echo "$log|domlog_$domain" >> "$LOG_FILES_LIST"
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done <<< "$user_domains"
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fi
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else
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# All domains - find all transfer.log files (InterWorx uses 'transfer.log' not 'access_log')
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find /home/*/var/*/logs -type f -name "transfer.log" 2>/dev/null | while read -r log; do
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domain=$(echo "$log" | grep -oE '/var/[^/]+' | sed 's|/var/||')
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echo "$log|domlog_$domain" >> "$LOG_FILES_LIST"
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done
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fi
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;;
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plesk)
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# Plesk: System vhosts logs
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if [ -n "$FILTER_DOMAIN" ]; then
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# Specific domain
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for log in /var/www/vhosts/system/"$FILTER_DOMAIN"/logs/access_log \
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/var/www/vhosts/system/"$FILTER_DOMAIN"/logs/access_ssl_log; do
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[ -f "$log" ] && echo "$log|domlog_$FILTER_DOMAIN" >> "$LOG_FILES_LIST"
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done
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elif [ -n "$FILTER_USER" ]; then
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# Specific user - get their domains
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user_domains=$(get_user_domains "$FILTER_USER" 2>/dev/null)
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if [ -n "$user_domains" ]; then
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while IFS= read -r domain; do
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for log in /var/www/vhosts/system/"$domain"/logs/access_log \
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/var/www/vhosts/system/"$domain"/logs/access_ssl_log; do
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[ -f "$log" ] && echo "$log|domlog_$domain" >> "$LOG_FILES_LIST"
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done
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done <<< "$user_domains"
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fi
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else
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# All domains
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find /var/www/vhosts/system/*/logs -type f \( -name "access_log" -o -name "access_ssl_log" \) 2>/dev/null | \
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while read -r log; do
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domain=$(echo "$log" | grep -oE '/system/[^/]+' | sed 's|/system/||')
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echo "$log|domlog_$domain" >> "$LOG_FILES_LIST"
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done
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fi
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;;
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*)
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# Standalone Apache - try common locations
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if [ -f "/var/log/httpd/access_log" ]; then
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echo "/var/log/httpd/access_log|domlog_standalone" >> "$LOG_FILES_LIST"
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fi
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if [ -f "/var/log/apache2/access.log" ]; then
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echo "/var/log/apache2/access.log|domlog_standalone" >> "$LOG_FILES_LIST"
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fi
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;;
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esac
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# ModSecurity audit log (only if not filtering or matches filter)
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if [ -f "$MODSEC_AUDIT_LOG" ]; then
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if [ -z "$FILTER_USER" ] && [ -z "$FILTER_DOMAIN" ]; then
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echo "$MODSEC_AUDIT_LOG|modsec_audit" >> "$LOG_FILES_LIST"
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elif [ -n "$FILTER_DOMAIN" ]; then
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# Will filter ModSec entries during processing
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echo "$MODSEC_AUDIT_LOG|modsec_audit" >> "$LOG_FILES_LIST"
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fi
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fi
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log_count=$(wc -l < "$LOG_FILES_LIST" 2>/dev/null || echo "0")
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echo " Found $log_count log files to analyze"
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if [ -n "$FILTER_USER" ]; then
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echo " Scope: User '$FILTER_USER'"
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elif [ -n "$FILTER_DOMAIN" ]; then
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echo " Scope: Domain '$FILTER_DOMAIN'"
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fi
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echo ""
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################################################################################
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# Intelligent Filtering
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################################################################################
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is_noise() {
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local line="$1"
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local line_lower="${line,,}" # Convert to lowercase once
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# Bot/Scanner patterns
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[[ "$line_lower" =~ (bot|crawler|spider|scanner|nikto|nmap|masscan|sqlmap|nessus|acunetix|burp|shodan|censys|zgrab|nuclei|semrush|ahrefs|mj12) ]] && return 0
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# Known scanner IPs
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[[ "$line" =~ (45\.148\.|185\.220\.|89\.248\.165\.) ]] && return 0
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# WordPress plugin deprecation warnings (not user-facing)
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[[ "$line" =~ (PHP\ Deprecated|Deprecated.*plugin|call_user_func_array.*deprecated) ]] && return 0
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# Non-critical PHP notices (unless critical indicators present)
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if [[ "$line" =~ PHP\ Notice.*Undefined\ (variable|index|offset) ]] && ! [[ "$line_lower" =~ (fatal|error\ 500|white\ screen) ]]; then
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return 0
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fi
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# Missing favicon/common assets (not real errors)
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[[ "$line_lower" =~ (favicon\.ico|apple-touch-icon|robots\.txt|sitemap\.xml.*404) ]] && return 0
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# Security probes
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if [[ "$line_lower" =~ (wp-admin|wp-login|phpmyadmin|\.env|\.git|config\.php|xmlrpc|eval-stdin|shell\.php|c99\.php|r57\.php|adminer\.php) ]] && \
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[[ "$line" =~ (404|403|not\ found) ]]; then
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return 0
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fi
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# WordPress auto-updates and cron (normal operations)
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[[ "$line_lower" =~ (wp-cron\.php|doing_cron|auto.*update) ]] && return 0
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# Common plugin update checks (not errors)
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[[ "$line_lower" =~ (update-check|version-check|api\.wordpress\.org) ]] && return 0
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return 1
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}
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is_critical_user_facing() {
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local line="$1"
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local line_lower="${line,,}"
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# 500 Internal Server Error (users see white page)
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[[ "$line" =~ (\ 500\ |Internal\ Server\ Error) ]] && return 0
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# PHP Fatal Errors (breaks functionality)
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[[ "$line" =~ (PHP\ Fatal\ error|Fatal\ error:.*in\ /) ]] && return 0
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# PHP Parse Errors (site completely broken)
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[[ "$line" =~ (PHP\ Parse\ error|syntax\ error) ]] && return 0
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# Database connection failures (site down)
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[[ "$line" =~ (Error\ establishing.*database|Can\'t\ connect.*MySQL|Access\ denied\ for\ user.*database|Too\ many\ connections|MySQL\ server\ has\ gone\ away) ]] && return 0
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# Memory exhaustion (white screen/incomplete pages)
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[[ "$line" =~ (Allowed\ memory\ size.*exhausted|Out\ of\ memory|Fatal.*memory) ]] && return 0
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# Segmentation fault (complete crash)
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[[ "$line" =~ (Segmentation\ fault|signal\ 11) ]] && return 0
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# Permission denied on critical files
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if [[ "$line" =~ Permission\ denied ]] && [[ "$line" =~ (index\.php|wp-config\.php|\.htaccess|config\.php) ]]; then
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return 0
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fi
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# File not found for MAIN page (404 on homepage/index)
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[[ "$line" =~ (File\ does\ not\ exist.*index\.(php|html)|\ 404\ .*\"\ \"GET\ /) ]] && return 0
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return 1
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}
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extract_useful_info() {
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local line="$1"
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local domain="unknown"
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local file_path=""
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local error_msg
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# Extract domain using bash regex (faster than grep|sed pipeline)
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if [[ "$line" =~ \[vhost\ ([^:]+) ]]; then
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domain="${BASH_REMATCH[1]}"
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elif [[ "$line" =~ ([a-zA-Z0-9.-]+\.(com|net|org|io|co|uk|us|dev)) ]]; then
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domain="${BASH_REMATCH[1]}"
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elif [[ "$line" =~ /home/([^/]+) ]]; then
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domain="${BASH_REMATCH[1]}"
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fi
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# Extract file path if PHP error
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if [[ "$line" =~ in\ (/[^ ]+\.php) ]]; then
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file_path="${BASH_REMATCH[1]}"
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fi
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# Extract error message (clean up ModSec noise, timestamps, etc.)
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# Use single sed command instead of pipeline
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error_msg=$(echo "$line" | sed -E 's/^\[.*\] //; s/\[client [^]]*\] //; s/\[unique_id "[^"]*"\]//g; s/\[pid [^]]*\]//g; s/\[tid [^]]*\]//g' | cut -c1-150)
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# Skip if error message is empty or just whitespace
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error_msg="${error_msg#"${error_msg%%[![:space:]]*}"}" # ltrim
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error_msg="${error_msg%"${error_msg##*[![:space:]]}"}" # rtrim
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[ -z "$error_msg" ] && return 1
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# Correlate to root cause
|
|
local root_cause=$(correlate_root_cause "$line" "$error_msg" "$domain")
|
|
|
|
echo "$domain|$file_path|$error_msg|$root_cause"
|
|
}
|
|
|
|
correlate_root_cause() {
|
|
local line="$1"
|
|
local error_msg="$2"
|
|
local domain="$3"
|
|
local cause="UNKNOWN"
|
|
local line_lower="${line,,}"
|
|
local error_lower="${error_msg,,}"
|
|
|
|
# .htaccess issues
|
|
if [[ "$line_lower" =~ (\.htaccess|invalid\ command|rewriterule|rewritecond) ]]; then
|
|
cause="HTACCESS"
|
|
|
|
# ModSecurity blocks
|
|
elif [[ "$line_lower" =~ (modsecurity|mod_security|waf) ]]; then
|
|
cause="MODSECURITY"
|
|
|
|
# PHP memory limit
|
|
elif [[ "$error_lower" =~ (memory.*exhausted|allowed\ memory\ size) ]]; then
|
|
# Get current memory limit for this domain/user
|
|
if [ -n "$domain" ] && [ "$domain" != "unknown" ]; then
|
|
user=$(grep -l "DNS.*$domain" /var/cpanel/users/* 2>/dev/null | head -1 | xargs basename 2>/dev/null)
|
|
if [ -n "$user" ]; then
|
|
mem_limit=$(grep -h "memory_limit" /home/$user/public_html/.user.ini /home/$user/.php.ini 2>/dev/null | tail -1 | cut -d'=' -f2 | tr -d ' ')
|
|
[ -n "$mem_limit" ] && cause="PHP_MEMORY:$mem_limit" || cause="PHP_MEMORY:default"
|
|
else
|
|
cause="PHP_MEMORY"
|
|
fi
|
|
else
|
|
cause="PHP_MEMORY"
|
|
fi
|
|
|
|
# PHP max execution time
|
|
elif [[ "$error_lower" =~ (max_execution_time|maximum\ execution\ time) ]]; then
|
|
cause="PHP_TIMEOUT"
|
|
|
|
# PHP upload/post size limits
|
|
elif [[ "$error_lower" =~ (upload_max_filesize|post_max_size) ]]; then
|
|
cause="PHP_UPLOAD_LIMIT"
|
|
|
|
# File permissions
|
|
elif [[ "$error_lower" =~ (permission\ denied|failed\ to\ open\ stream.*permission) ]]; then
|
|
cause="FILE_PERMISSIONS"
|
|
|
|
# Missing PHP modules/extensions
|
|
elif [[ "$error_lower" =~ (undefined\ function|call\ to\ undefined\ function|class\ .*\ not\ found) ]]; then
|
|
# Try to identify which module
|
|
if [[ "$error_lower" =~ (imagecreate|imagefilter|gd_) ]]; then
|
|
cause="MISSING_PHP_GD"
|
|
elif [[ "$error_msg" =~ (curl_|CURL) ]]; then
|
|
cause="MISSING_PHP_CURL"
|
|
elif [[ "$error_msg" =~ (json_|JSON) ]]; then
|
|
cause="MISSING_PHP_JSON"
|
|
elif [[ "$error_lower" =~ (mysqli|mysql_connect) ]]; then
|
|
cause="MISSING_PHP_MYSQLI"
|
|
else
|
|
cause="MISSING_PHP_MODULE"
|
|
fi
|
|
|
|
# Database issues
|
|
elif [[ "$error_lower" =~ (database|mysql|mysqli) ]]; then
|
|
if [[ "$error_lower" =~ (too\ many\ connections|max_connections) ]]; then
|
|
cause="DB_MAX_CONNECTIONS"
|
|
elif [[ "$error_lower" =~ (access\ denied|authentication) ]]; then
|
|
cause="DB_AUTH_FAILED"
|
|
elif [[ "$error_lower" =~ (gone\ away|lost\ connection) ]]; then
|
|
cause="DB_TIMEOUT"
|
|
else
|
|
cause="DB_ERROR"
|
|
fi
|
|
|
|
# Apache configuration
|
|
elif [[ "$error_lower" =~ (invalid\ uri|request\ exceeded\ the\ limit|limitrequestline) ]]; then
|
|
cause="APACHE_CONFIG"
|
|
|
|
# PHP parse/syntax errors (code issues)
|
|
elif [[ "$error_lower" =~ (parse\ error|syntax\ error|unexpected) ]]; then
|
|
cause="PHP_SYNTAX_ERROR"
|
|
|
|
# File not found (may indicate bad symlinks or missing files)
|
|
elif [[ "$error_lower" =~ (no\ such\ file|failed\ to\ open\ stream) ]]; then
|
|
cause="MISSING_FILE"
|
|
|
|
# Generic PHP fatal error
|
|
elif [[ "$error_lower" =~ fatal\ error ]]; then
|
|
cause="PHP_FATAL_ERROR"
|
|
|
|
# 500 errors without specific cause
|
|
elif [[ "$error_msg" =~ (500|Internal\ Server) ]]; then
|
|
cause="SERVER_ERROR_500"
|
|
fi
|
|
|
|
echo "$cause"
|
|
}
|
|
|
|
################################################################################
|
|
# Main Analysis
|
|
################################################################################
|
|
|
|
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
|
|
echo " SCANNING FOR USER-IMPACTING ERRORS"
|
|
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
|
|
echo ""
|
|
|
|
total_lines=0
|
|
filtered_out=0
|
|
critical_found=0
|
|
|
|
# Analyze all discovered log files
|
|
while IFS='|' read -r log_path log_type; do
|
|
echo " Analyzing: $(basename "$log_path")..."
|
|
|
|
# Determine log type
|
|
is_access_log=false
|
|
is_modsec_log=false
|
|
[[ "$log_type" == domlog_* ]] && ! [[ "$log_path" =~ error ]] && is_access_log=true
|
|
[[ "$log_type" == modsec_* ]] && is_modsec_log=true
|
|
|
|
if $is_modsec_log; then
|
|
# ModSecurity audit log - parse for blocks/denials
|
|
while IFS= read -r line; do
|
|
((total_lines++))
|
|
|
|
# Skip if not a security event
|
|
echo "$line" | grep -qiE "ModSecurity.*Action.*Intercepted|status: (403|406|500)" || continue
|
|
|
|
# Extract domain/host if filtering
|
|
if [ -n "$FILTER_DOMAIN" ]; then
|
|
echo "$line" | grep -q "$FILTER_DOMAIN" || continue
|
|
fi
|
|
|
|
# Extract useful info
|
|
if echo "$line" | grep -qiE "SQL Injection|XSS|Command Injection|Path Traversal"; then
|
|
((critical_found++))
|
|
attack_type=$(echo "$line" | grep -oiE "SQL Injection|XSS|Command Injection|Path Traversal" | head -1)
|
|
uri=$(echo "$line" | grep -oE "uri: [^ ]+" | sed 's/uri: //' || echo "")
|
|
domain=$(echo "$line" | grep -oE "hostname: [^ ]+" | sed 's/hostname: //' || echo "unknown")
|
|
|
|
# Extract rule ID if available
|
|
rule_id=$(echo "$line" | grep -oE "id \"[0-9]+\"" | grep -oE "[0-9]+" || echo "")
|
|
root_cause="MODSECURITY"
|
|
[ -n "$rule_id" ] && root_cause="MODSECURITY:rule_$rule_id"
|
|
|
|
echo "$domain||ModSecurity blocked: $attack_type $uri|$root_cause" >> "$CRITICAL_ERRORS"
|
|
fi
|
|
|
|
done < <(tail -n 5000 "$log_path" 2>/dev/null)
|
|
|
|
elif $is_access_log; then
|
|
# Access log - look for 5xx status codes
|
|
# Use time-based filtering if possible, otherwise last 50k lines
|
|
cutoff_time=$(date -d "$HOURS_TO_ANALYZE hours ago" +%s 2>/dev/null || echo "0")
|
|
|
|
while IFS= read -r line; do
|
|
((total_lines++))
|
|
|
|
# Skip if bot/scanner
|
|
if is_noise "$line"; then
|
|
((filtered_out++))
|
|
# Track bot/scanner IPs
|
|
read -r ip _ _ _ _ _ _ _ <<< "$line"
|
|
if [[ "$ip" =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
|
|
flag_ip_attack "$ip" "BOT" 0 "Bot/scanner filtered in error analysis" >/dev/null 2>&1 &
|
|
fi
|
|
continue
|
|
fi
|
|
|
|
# Time filtering (Apache format: [DD/Mon/YYYY:HH:MM:SS +ZONE])
|
|
if [ "$cutoff_time" != "0" ]; then
|
|
if [[ "$line" =~ \[([0-9]{2}/[A-Z][a-z]{2}/[0-9]{4}:[0-9]{2}:[0-9]{2}:[0-9]{2}) ]]; then
|
|
log_date="${BASH_REMATCH[1]}"
|
|
log_time=$(date -d "${log_date/:/ }" +%s 2>/dev/null || echo "0")
|
|
[ "$log_time" != "0" ] && [ "$log_time" -lt "$cutoff_time" ] && continue
|
|
fi
|
|
fi
|
|
|
|
# Extract status code and URL using bash regex and read
|
|
if [[ "$line" =~ '"'[[:space:]](5[0-9]{2})[[:space:]] ]]; then
|
|
status="${BASH_REMATCH[1]}"
|
|
|
|
# Parse Apache log format: IP - - [timestamp] "METHOD URL PROTOCOL" STATUS SIZE
|
|
read -r ip _ _ timestamp _ request status_check _ <<< "$line"
|
|
|
|
# Extract URL from request (format: "GET /path HTTP/1.1")
|
|
if [[ "$request" =~ '"'[A-Z]+[[:space:]]([^[:space:]]+) ]]; then
|
|
url="${BASH_REMATCH[1]:0:80}"
|
|
else
|
|
url="/"
|
|
fi
|
|
|
|
# Extract timestamp
|
|
if [[ "$line" =~ \[([^]]+)\] ]]; then
|
|
timestamp="${BASH_REMATCH[1]}"
|
|
else
|
|
timestamp=""
|
|
fi
|
|
|
|
# Get domain from log filename
|
|
domain="${log_path##*/}" # basename
|
|
domain="${domain%%-*}" # remove everything after first dash
|
|
|
|
# Apply domain filter if set
|
|
if [ -n "$FILTER_DOMAIN" ] && [ "$domain" != "$FILTER_DOMAIN" ]; then
|
|
continue
|
|
fi
|
|
|
|
# Determine root cause from status code
|
|
case $status in
|
|
500) root_cause="SERVER_ERROR_500" ;;
|
|
502) root_cause="APACHE_CONFIG:bad_gateway" ;;
|
|
503) root_cause="APACHE_CONFIG:service_unavailable" ;;
|
|
504) root_cause="APACHE_CONFIG:gateway_timeout" ;;
|
|
*) root_cause="SERVER_ERROR_5XX" ;;
|
|
esac
|
|
|
|
((critical_found++))
|
|
echo "$domain||[$timestamp] HTTP $status - $url (from $ip)|$root_cause" >> "$CRITICAL_ERRORS"
|
|
fi
|
|
|
|
done < <(tail -n 50000 "$log_path" 2>/dev/null)
|
|
else
|
|
# Error log - look for critical errors
|
|
# Use time-based filtering if possible, otherwise last 50k lines
|
|
cutoff_time=$(date -d "$HOURS_TO_ANALYZE hours ago" +%s 2>/dev/null || echo "0")
|
|
|
|
while IFS= read -r line; do
|
|
((total_lines++))
|
|
|
|
# Skip noise
|
|
if is_noise "$line"; then
|
|
((filtered_out++))
|
|
continue
|
|
fi
|
|
|
|
# Time filtering (Apache/PHP error log format: [Day Mon DD HH:MM:SS YYYY])
|
|
if [ "$cutoff_time" != "0" ]; then
|
|
if [[ "$line" =~ \[([A-Z][a-z]{2}\ [A-Z][a-z]{2}\ [0-9]{2}\ [0-9]{2}:[0-9]{2}:[0-9]{2}\ [0-9]{4})\] ]]; then
|
|
log_date="${BASH_REMATCH[1]}"
|
|
log_time=$(date -d "$log_date" +%s 2>/dev/null || echo "0")
|
|
[ "$log_time" != "0" ] && [ "$log_time" -lt "$cutoff_time" ] && continue
|
|
fi
|
|
fi
|
|
|
|
# Apply user/domain filter if set
|
|
if [ -n "$FILTER_USER" ]; then
|
|
[[ "$line" =~ /home/$FILTER_USER ]] || continue
|
|
fi
|
|
if [ -n "$FILTER_DOMAIN" ]; then
|
|
[[ "$line" =~ $FILTER_DOMAIN ]] || continue
|
|
fi
|
|
|
|
# Check if it's critical and user-facing
|
|
if is_critical_user_facing "$line"; then
|
|
((critical_found++))
|
|
extract_useful_info "$line" >> "$CRITICAL_ERRORS"
|
|
fi
|
|
|
|
done < <(tail -n 50000 "$log_path" 2>/dev/null)
|
|
fi
|
|
|
|
done < "$LOG_FILES_LIST"
|
|
|
|
echo ""
|
|
echo "Scanned: $total_lines log entries"
|
|
echo "Filtered: $filtered_out noise entries (bots, warnings, etc.)"
|
|
echo "Found: $critical_found critical user-facing errors"
|
|
echo ""
|
|
|
|
################################################################################
|
|
# Generate Report
|
|
################################################################################
|
|
|
|
if [ ! -f "$CRITICAL_ERRORS" ] || [ ! -s "$CRITICAL_ERRORS" ]; then
|
|
echo ""
|
|
echo -e "${GREEN}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
|
|
echo -e "${GREEN} ✓ NO CRITICAL USER-FACING ERRORS FOUND!${NC}"
|
|
echo -e "${GREEN}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
|
|
echo ""
|
|
echo "Your websites appear to be functioning normally for real users."
|
|
echo "All errors found were from bots, scanners, or non-critical warnings."
|
|
echo ""
|
|
exit 0
|
|
fi
|
|
|
|
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
|
|
echo " ⚠️ CRITICAL ERRORS AFFECTING REAL USERS"
|
|
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
|
|
echo ""
|
|
|
|
# Group by domain and count
|
|
echo -e "${RED}${BOLD}AFFECTED WEBSITES:${NC}"
|
|
echo ""
|
|
|
|
cat "$CRITICAL_ERRORS" | cut -d'|' -f1 | sort | uniq -c | sort -rn | head -10 | while read -r count domain; do
|
|
printf " ${RED}●${NC} %-40s ${BOLD}%4d errors${NC}\n" "$domain" "$count"
|
|
done
|
|
|
|
echo ""
|
|
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
|
|
echo " ERROR DETAILS (Top Issues)"
|
|
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
|
|
echo ""
|
|
|
|
# Group identical errors and count them
|
|
awk -F'|' '{
|
|
key = $1 "|" $3 "|" $4 # domain|error_msg|root_cause
|
|
file[$1"|"$3"|"$4] = $2 # Store file path
|
|
count[key]++
|
|
}
|
|
END {
|
|
for (key in count) {
|
|
split(key, parts, "|")
|
|
domain = parts[1]
|
|
error = parts[2]
|
|
root_cause = parts[3]
|
|
file_path = file[key]
|
|
|
|
# Skip empty errors
|
|
if (length(error) > 0) {
|
|
print count[key] "|" domain "|" file_path "|" error "|" root_cause
|
|
}
|
|
}
|
|
}' "$CRITICAL_ERRORS" | sort -t'|' -k1 -rn | head -20 | while IFS='|' read -r count domain file_path error_msg root_cause; do
|
|
|
|
# Color code by frequency
|
|
if [ "$count" -ge 10 ]; then
|
|
color="${RED}"
|
|
priority="[HIGH FREQUENCY]"
|
|
elif [ "$count" -ge 5 ]; then
|
|
color="${YELLOW}"
|
|
priority="[MEDIUM]"
|
|
else
|
|
color="${INFO_COLOR}"
|
|
priority=""
|
|
fi
|
|
|
|
echo -e "${color}● Occurred $count times${NC} $priority"
|
|
[ -n "$domain" ] && [ "$domain" != "unknown" ] && echo " Domain: $domain"
|
|
[ -n "$file_path" ] && echo " File: $file_path"
|
|
echo " Error: $error_msg"
|
|
|
|
# Display root cause with color coding and actionable fix
|
|
if [ -n "$root_cause" ] && [ "$root_cause" != "UNKNOWN" ]; then
|
|
echo -ne " ${CYAN}Root Cause: ${BOLD}"
|
|
|
|
case "$root_cause" in
|
|
HTACCESS)
|
|
echo -e "${YELLOW}⚙️ .htaccess Configuration${NC}"
|
|
echo " → Check .htaccess syntax in domain root"
|
|
echo " → Look for invalid RewriteRule or directives"
|
|
;;
|
|
MODSECURITY*)
|
|
rule=$(echo "$root_cause" | cut -d':' -f2)
|
|
echo -e "${YELLOW}🛡️ ModSecurity WAF Block${NC}"
|
|
[ -n "$rule" ] && echo " → Rule ID: $rule"
|
|
echo " → Check if this is a false positive"
|
|
echo " → Review: /usr/local/apache/logs/modsec_audit.log"
|
|
;;
|
|
PHP_MEMORY*)
|
|
limit=$(echo "$root_cause" | cut -d':' -f2)
|
|
echo -e "${RED}💾 PHP Memory Exhausted${NC}"
|
|
[ -n "$limit" ] && echo " → Current limit: $limit"
|
|
echo " → Increase memory_limit in .user.ini or php.ini"
|
|
echo " → Recommended: 256M minimum, 512M for WooCommerce"
|
|
;;
|
|
PHP_TIMEOUT)
|
|
echo -e "${YELLOW}⏱️ PHP Execution Timeout${NC}"
|
|
echo " → Increase max_execution_time in php.ini"
|
|
echo " → Recommended: 300 for imports/backups"
|
|
;;
|
|
PHP_UPLOAD_LIMIT)
|
|
echo -e "${YELLOW}📤 PHP Upload Size Limit${NC}"
|
|
echo " → Increase upload_max_filesize and post_max_size"
|
|
echo " → Match both values (e.g., 64M)"
|
|
;;
|
|
FILE_PERMISSIONS)
|
|
echo -e "${RED}🔒 File Permission Denied${NC}"
|
|
echo " → Check file ownership and permissions"
|
|
echo " → Files should be 644, directories 755"
|
|
echo " → Owner should match cPanel user"
|
|
;;
|
|
MISSING_PHP_GD)
|
|
echo -e "${RED}📦 Missing PHP GD Extension${NC}"
|
|
echo " → Install: yum install ea-phpXX-php-gd"
|
|
echo " → Required for image processing"
|
|
;;
|
|
MISSING_PHP_CURL)
|
|
echo -e "${RED}📦 Missing PHP cURL Extension${NC}"
|
|
echo " → Install: yum install ea-phpXX-php-curl"
|
|
;;
|
|
MISSING_PHP_*)
|
|
module=$(echo "$root_cause" | sed 's/MISSING_PHP_//' | tr '[:upper:]' '[:lower:]')
|
|
echo -e "${RED}📦 Missing PHP Extension: $module${NC}"
|
|
echo " → Install: yum install ea-phpXX-php-$module"
|
|
;;
|
|
DB_MAX_CONNECTIONS)
|
|
echo -e "${RED}🗄️ Database Max Connections Reached${NC}"
|
|
echo " → Check: mysql -e 'SHOW VARIABLES LIKE \"max_connections\"'"
|
|
echo " → Increase max_connections in my.cnf"
|
|
echo " → Or optimize slow queries reducing connection time"
|
|
;;
|
|
DB_AUTH_FAILED)
|
|
echo -e "${RED}🗄️ Database Authentication Failed${NC}"
|
|
echo " → Verify credentials in wp-config.php / config files"
|
|
echo " → Check database user permissions"
|
|
;;
|
|
DB_TIMEOUT)
|
|
echo -e "${YELLOW}🗄️ Database Connection Timeout${NC}"
|
|
echo " → MySQL server may be overloaded"
|
|
echo " → Check slow query log"
|
|
;;
|
|
DB_ERROR)
|
|
echo -e "${RED}🗄️ Database Error${NC}"
|
|
echo " → Check MySQL error log for details"
|
|
;;
|
|
APACHE_CONFIG*)
|
|
issue=$(echo "$root_cause" | cut -d':' -f2)
|
|
echo -e "${YELLOW}⚙️ Apache Configuration${NC}"
|
|
[ -n "$issue" ] && echo " → Issue: $issue"
|
|
echo " → Check Apache config and vhost settings"
|
|
;;
|
|
PHP_SYNTAX_ERROR)
|
|
echo -e "${RED}⚠️ PHP Syntax Error in Code${NC}"
|
|
echo " → Review recent code changes"
|
|
echo " → Check for missing semicolons, brackets, quotes"
|
|
;;
|
|
MISSING_FILE)
|
|
echo -e "${YELLOW}📄 File Not Found${NC}"
|
|
echo " → File may have been deleted or moved"
|
|
echo " → Check for broken symlinks"
|
|
;;
|
|
PHP_FATAL_ERROR)
|
|
echo -e "${RED}⚠️ PHP Fatal Error${NC}"
|
|
echo " → Review PHP error logs for details"
|
|
echo " → May be compatibility issue or code bug"
|
|
;;
|
|
SERVER_ERROR_500)
|
|
echo -e "${RED}🔥 Generic 500 Internal Server Error${NC}"
|
|
echo " → Check PHP/Apache error logs for specifics"
|
|
;;
|
|
*)
|
|
echo -e "${NC}$root_cause"
|
|
;;
|
|
esac
|
|
fi
|
|
|
|
echo ""
|
|
done
|
|
|
|
################################################################################
|
|
# Root Cause Summary
|
|
################################################################################
|
|
|
|
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
|
|
echo " 📊 ROOT CAUSE BREAKDOWN"
|
|
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
|
|
echo ""
|
|
|
|
# Count errors by root cause
|
|
cut -d'|' -f4 "$CRITICAL_ERRORS" | grep -v "^$" | sort | uniq -c | sort -rn | while read -r count cause; do
|
|
# Clean up cause display
|
|
clean_cause=$(echo "$cause" | sed 's/:.*//; s/_/ /g')
|
|
|
|
# Color code by severity
|
|
case "$cause" in
|
|
PHP_MEMORY*|DB_MAX_CONNECTIONS|PHP_FATAL_ERROR|SERVER_ERROR_500)
|
|
color="${RED}"; icon="🔥" ;;
|
|
HTACCESS|MODSECURITY*|PHP_TIMEOUT|DB_*)
|
|
color="${YELLOW}"; icon="⚠️ " ;;
|
|
MISSING_PHP*|FILE_PERMISSIONS)
|
|
color="${YELLOW}"; icon="📦" ;;
|
|
*)
|
|
color="${INFO_COLOR}"; icon="•" ;;
|
|
esac
|
|
|
|
printf " ${color}${icon} %-35s %4d errors${NC}\n" "$clean_cause" "$count"
|
|
done
|
|
|
|
echo ""
|
|
|
|
################################################################################
|
|
# Intelligent Recommendations
|
|
################################################################################
|
|
|
|
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
|
|
echo " 🔧 RECOMMENDED ACTIONS"
|
|
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
|
|
echo ""
|
|
|
|
# Detect issue types and provide specific recommendations
|
|
if grep -qiE "500|Internal Server" "$CRITICAL_ERRORS"; then
|
|
echo -e "${RED}● 500 Internal Server Errors detected${NC}"
|
|
echo " Priority: URGENT - Users see broken pages"
|
|
echo ""
|
|
echo " Actions:"
|
|
echo " 1. Check PHP error logs for affected domains:"
|
|
for domain in $(grep -iE "500|Internal Server" "$CRITICAL_ERRORS" | cut -d'|' -f1 | sort -u | head -3); do
|
|
echo " tail -100 /home/$domain/public_html/error_log"
|
|
done
|
|
echo ""
|
|
echo " 2. Common causes:"
|
|
echo " - PHP syntax errors (check recent file changes)"
|
|
echo " - .htaccess syntax errors"
|
|
echo " - Incorrect file permissions"
|
|
echo " - Missing PHP modules"
|
|
echo ""
|
|
fi
|
|
|
|
if grep -qiE "Fatal error|Parse error" "$CRITICAL_ERRORS"; then
|
|
echo -e "${RED}● PHP Fatal/Parse Errors detected${NC}"
|
|
echo " Priority: URGENT - Site functionality broken"
|
|
echo ""
|
|
echo " Actions:"
|
|
echo " 1. Review recent plugin/theme updates"
|
|
echo " 2. Check PHP version compatibility"
|
|
echo " 3. Look for syntax errors in custom code"
|
|
echo " 4. Temporarily disable recently added plugins"
|
|
echo ""
|
|
fi
|
|
|
|
if grep -qiE "database|MySQL|Connection" "$CRITICAL_ERRORS"; then
|
|
echo -e "${RED}● Database Connection Errors detected${NC}"
|
|
echo " Priority: CRITICAL - Site may be completely down"
|
|
echo ""
|
|
echo " Actions:"
|
|
echo " 1. Check MySQL service: systemctl status mysql"
|
|
echo " 2. Verify database credentials in config files"
|
|
echo " 3. Check max_connections: mysql -e 'SHOW VARIABLES LIKE \"max_connections\"'"
|
|
echo " 4. Review current connections: mysql -e 'SHOW PROCESSLIST'"
|
|
echo ""
|
|
fi
|
|
|
|
if grep -qiE "memory.*exhausted|Out of memory" "$CRITICAL_ERRORS"; then
|
|
echo -e "${RED}● Memory Exhaustion detected${NC}"
|
|
echo " Priority: HIGH - Pages loading slowly or incompletely"
|
|
echo ""
|
|
echo " Current PHP memory limit: $(php -r 'echo ini_get("memory_limit");' 2>/dev/null)"
|
|
echo ""
|
|
echo " Actions:"
|
|
echo " 1. Increase memory_limit in php.ini or .user.ini"
|
|
echo " 2. Recommended: 256M minimum, 512M for WooCommerce"
|
|
echo " 3. Check for memory leaks in plugins"
|
|
echo " 4. Optimize database queries"
|
|
echo ""
|
|
fi
|
|
|
|
if grep -qiE "ModSecurity" "$CRITICAL_ERRORS"; then
|
|
echo -e "${YELLOW}● ModSecurity Blocks detected${NC}"
|
|
echo " Priority: MEDIUM - Security rules blocking requests"
|
|
echo ""
|
|
echo " Actions:"
|
|
echo " 1. Review ModSecurity audit log for false positives"
|
|
echo " 2. Check if legitimate functionality is being blocked"
|
|
echo " 3. Consider whitelisting specific rules if needed"
|
|
echo " 4. Review blocked attack types to understand threats"
|
|
echo " 5. ModSecurity log: $MODSEC_AUDIT_LOG"
|
|
echo ""
|
|
fi
|
|
|
|
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
|
|
echo ""
|
|
echo "Full analysis saved to: $CRITICAL_ERRORS"
|
|
echo ""
|
|
echo "Next steps:"
|
|
echo " 1. Address critical errors first (500s, database, fatal errors)"
|
|
echo " 2. Check error_log files for affected domains"
|
|
echo " 3. Test affected pages after fixes"
|
|
echo " 4. Re-run this tool to verify issues are resolved"
|
|
echo ""
|
|
|
|
press_enter
|