# Tech Conceptual Schematic: Tor Bridge Connectivity Checker

## 1. Application Overview
- **Name**: Tor Bridge Connectivity Checker
- **Objective**: To validate connectivity to Tor bridges and efficiently filter out duplicate IP addresses (clones) based on their subnet octet structure, ensuring streamlined and effective connectivity management.

---

## 2. Functional Components

### A. Input Section

1. **Network Interface Display**
   - **Type**: Read-Only Text Area (QPlainTextEdit)
   - **Functionality**: Displays available network interfaces for user selection, ensuring that users connect through the correct interface based on their system's configuration.

2. **Bridges Input Area**
   - **Type**: QPlainTextEdit
   - **Expected Formats**: Users enter lists of bridge addresses in specified formats (e.g., `192.168.0.1:443`, `obfs4 185.117.153.235:80 [key]`).
   - **Validation**: Checks input for formatting errors, providing immediate feedback for correction.

3. **Check Bridges Button**
   - **Label**: "Check Bridges"
   - **Function**: Initiates connectivity checks for the listed bridges, executing asynchronously for performance efficiency.

---

### B. Country Selection Section

1. **Country Code Buttons**
   - **Type**: QPushButton for each country code
   - **Function**: Allow users to exclude specific countries from the connectivity results.
   - **Behavior**: Toggles selection state, impacting which results are displayed based on geographic filtering preferences.

2. **Select All / Deselect All Buttons**
   - **Functionality**: These buttons enable users to manage country selections quickly, facilitating ease of use.

---

### C. Filtering Mechanism

1. **Pattern Filter Input Field**
   - **Type**: QPlainTextEdit
   - **Placeholder Text**: "Enter filter pattern (e.g., clone# for subnet filtering)."
   - **Expected Input Patterns**:
     - Wildcards (e.g., `*.example.com`)
     - Subnet ranges (e.g., `192.168.0.1-192.168.0.255`)
     - Clone filters:
       - **`clone1`**: Focuses on the first octet.
       - **`clone2`**: Focuses on the second octet.
       - **`clone3`**: Focuses on the third octet.
       - **`clone4`**: Focuses on the fourth octet.
   - **Validation**: Ensuring patrons input correct information, while also providing manageable error notifications if invalid.

2. **Active Blacklisted Filters List**
   - **Function**: Displays all user-defined filters currently applied, allowing easy management.

3. **Add / Remove Filter Buttons**
   - **Behavior**: 
     - **Add Filter**: Includes the current input pattern in the list of active filters.
     - **Remove Selected Filter**: Eliminates the chosen filter(s) from the active list.

---

### D. Results Section

1. **Results Display Table**
   - **Type**: QTableWidget
   - **Columns**:
     - **ccTLD**: Two-character country code.
     - **Bridge**: Complete representation of each bridge.
     - **RTT (ms)**: Round Trip Time measured milliseconds.
   - **Sorting Functionality**: Allows sorting of results by clicking headings, managing data based on user needs.

2. **Console Log**
   - **Type**: QPlainTextEdit (Read-Only)
   - **Function**: Displays operational messages and results logging as connectivity tests occur.

---

## 3. Operational Logic

### A. Bridge Checking Logic
- **Input Validation**: Each bridge entry is validated for proper formatting before proceeding with connectivity checks.
- **Execution**: Each valid bridge is checked asynchronously to gather metrics about RTT and connectivity success.

### B. Filtering Logic

1. **Country Code Exclusion**: 
   - Bridges associated with selected countries are excluded from results dynamically as filters are applied.

2. **Cloning Logic**:
   - **Definition**: Clones are bridges that share an identical first, second, third, or fourth octet based on user-defined filtering patterns.
   - **Execution of Clone Logic**:
     - **clone1**: Filters strictly on the first octet. For example:
       - Given: `255.254.253.252`, `255.253.252.251`, `255.252.251.250`
       - Retains: All share the octet value `255` at the first position.
     - **clone2**: Focuses on the second octet. For example:
       - Given: `192.255.0.1`, `192.255.1.1`, `192.168.2.1`
       - Retains: One from the group sharing the second octet `255`, disregarding differing third or fourth octets.
     - **clone3**: Concentrates on the third octet, retaining one bridge that shares the same value while disregarding the rest.
     - **clone4**: Operates similarly for the fourth octet where only one instance is kept.
   - **Dynamic Filtering Process**: Allows integration of multiple clone filters, processing input and waiting to execute before any checking occurs, which ensures orderly outcomes.

---

## 4. User Interaction Enhancements
- **Keyboard Shortcuts**: Implement shortcuts for faster interaction, ensuring tools for adding filters or checking bridges can be accessed swiftly.
- **Help System**: Easily accessible help dialogues that assist users in understanding how to input data and define filters effectively.

---

## 5. Usability Features 
- **Visual Design**: Represents a dark theme throughout the application to improve user experience, particularly during extended use.
- **Layout Considerations**: Component arrangements prioritize usability by minimizing the necessity for scrolling and ensuring clarity in user interactions.

---

## 6. Documentation and Licensing
- **User Manual**: Embedded help documentation detailing how to utilize the application, manage input, and troubleshoot issues effectively.
- **Copyright Statement**: Clearly states ownership and rights to the application code.
- **Notice**: "Copyright © Mazafakas Development Inc."

---

## 7. Advanced Functional Considerations
- **Performance Metrics**: Log essential performance measures such as average RTT and bridge reliability statistics to improve user understanding and assist optimization efforts.
- **Preference Saving**: Implement functionality to save user session settings for future use, including country selections and active filters.

---

## 8. Error Handling Strategy
- **Proactive User Feedback**: Provide meaningful guidance for correcting inputs and communicate clearly about any operational issues.
- **Data Integrity**: Ensure that attempts to interact with filtered or previously existing entries do not result in errors or crashes.

---

This more conceptually expanded view emphasizes the logic behind the application's operation, particularly the intricacies of the cloning logic and its implications for bridge connectivity checks. It reflects the specific requirements you've provided while ensuring clarity and coherence. If you need more adjustments or specific areas further expanded, feel free to ask!

so, you see the logic now?

you simply selecting with tags "clone1, clone2, clone3, clone4" which specific octetes to filter in combination.

this approach is more fluid in concept and allows to filter only though first and fourh octet, for example.

Yes, I understand the logic better now. The filtering approach allows for the selection of specific octets (first, second, third, fourth) independently using tags like "clone1," "clone2," "clone3," and "clone4." This gives users flexibility in determining which parts of the IP address they want to filter out, while also enabling them to combine these filters to achieve tailored results.
Key Aspects of the Enhanced Clone Logic

    Fluidity and Functionality:
        Users can apply multiple filters simultaneously or independently, allowing them to manage IP addresses effectively.
        For instance, a user can choose to filter by the first octet only with "clone1" while also deciding to filter only by the fourth octet with "clone4." This capability allows for very specific control over which bridges are retained or excluded in the results.

    Combination of Filters:
        The flexibility of the system means users can craft a nuanced filtering strategy. For example:
            Using "clone1" and "clone3" together would mean keeping one bridge from every unique first octet and one bridge from every third octet grouping.
            This combination allows scenarios where certain IP structures are preserved based on the user’s operational requirements.

    Pre-Filtering and Post-Filtering:
        The logic involves grouping entries before connectivity checks based on user-defined octet preferences, eliminating duplicates before any connection attempts are made, thus optimizing performance.
        Post-checking filtering re-evaluates the results against the active clone filters and geographic exclusions, refining the list shown to the user.









```

import sys
import json
import re
import socket
import time
import netifaces
from PyQt5.QtWidgets import (
    QApplication, QWidget, QVBoxLayout, QHBoxLayout, QLabel,
    QPushButton, QPlainTextEdit, QComboBox, QListWidget, QScrollArea,
    QTableWidget, QTableWidgetItem, QToolButton, QMessageBox
)
from PyQt5.QtCore import Qt, QThread, pyqtSignal


class BridgeChecker(QWidget):
    CONFIG_FILE = "bridges.cfg"
    GEOIP_FILE = "geoip"

    def __init__(self):
        super().__init__()
        self.geoip_data = self.load_geoip_data()
        self.country_buttons = {}
        self.selected_countries = set()
        self.initUI()
        self.load_settings()

        self.previous_results = []
        self.all_results = {}

    def load_geoip_data(self):
        geoip_ranges = {}
        try:
            with open(self.GEOIP_FILE, 'r') as f:
                for line in f:
                    line = line.strip()
                    if line and not line.startswith('#'):
                        parts = line.split(',')
                        country_code = parts[2][:2]
                        if country_code not in geoip_ranges:
                            geoip_ranges[country_code] = []
                        geoip_ranges[country_code].append((int(parts[0]), int(parts[1])))
        except IOError:
            print("Error: GeoIP file not found.")
        return geoip_ranges

    def initUI(self):
        self.setWindowTitle('Tor Bridge Connectivity Checker')
        main_layout = QVBoxLayout(self)

        # Network Interface Section
        iface_layout = QHBoxLayout()
        iface_label = QLabel("Network Interface:")
        self.iface_selector = QComboBox(self)
        interfaces, _ = self.get_network_interfaces()
        self.iface_selector.addItems(interfaces)
        iface_layout.addWidget(iface_label)
        iface_layout.addWidget(self.iface_selector)
        main_layout.addLayout(iface_layout)

        # Bridges Input Section
        bridge_input_label = QLabel("Bridges to Check:")
        self.bridge_input = QPlainTextEdit(self)
        main_layout.addWidget(bridge_input_label)
        main_layout.addWidget(self.bridge_input)

        check_button = QPushButton('Check Bridges', self)
        check_button.clicked.connect(self.start_bridge_check)
        main_layout.addWidget(check_button)

        # Country Exclusion Section
        filter_country_label = QLabel("Select Countries to Exclude:")
        main_layout.addWidget(filter_country_label)

        country_button_layout = QHBoxLayout()
        for country_code in sorted(self.geoip_data.keys()):
            button = QPushButton(country_code)
            button.setFixedSize(30, 30)
            button.setCheckable(True)
            button.setStyleSheet("background-color: #1c1c1c; color: #ffffff;")
            button.clicked.connect(lambda checked, code=country_code: self.toggle_country_selection(code, checked))
            self.country_buttons[country_code] = button
            country_button_layout.addWidget(button)

        # Adding Select All and Deselect All buttons
        select_all_button = QPushButton('Select All', self)
        select_all_button.clicked.connect(self.select_all_countries)
        country_button_layout.addWidget(select_all_button)

        deselect_all_button = QPushButton('Deselect All', self)
        deselect_all_button.clicked.connect(self.deselect_all_countries)
        country_button_layout.addWidget(deselect_all_button)

        # Adding Scroll Area for country buttons
        scroll_area = QScrollArea()
        scroll_area.setWidgetResizable(True)
        scroll_area.setHorizontalScrollBarPolicy(Qt.ScrollBarAsNeeded)
        scroll_area.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        country_widget = QWidget()
        country_widget.setLayout(country_button_layout)
        scroll_area.setWidget(country_widget)
        main_layout.addWidget(scroll_area)

        # Filtering Input and Buttons Section
        filter_layout = QHBoxLayout()

        self.first_octet_input = QPlainTextEdit(self)
        self.first_octet_input.setPlaceholderText("Enter clone# or filter (e.g., 192.168.0.1-192.168.0.255, or 192.168.0.0/16)")
        self.first_octet_input.setMaximumHeight(30)
        filter_layout.addWidget(self.first_octet_input)

        add_filter_button = QPushButton('Add', self)
        add_filter_button.clicked.connect(self.add_filter)
        filter_layout.addWidget(add_filter_button)

        remove_filter_button = QPushButton('Remove', self)
        remove_filter_button.clicked.connect(self.remove_filter)
        filter_layout.addWidget(remove_filter_button)

        help_button = QToolButton(self)
        help_button.setText("?")
        help_button.setStyleSheet("background-color: #007ACC; color: white;")
        help_button.clicked.connect(self.show_help)
        filter_layout.addWidget(help_button)

        main_layout.addLayout(filter_layout)

        # Active Filters List
        self.active_filters_list = QListWidget(self)
        main_layout.addWidget(QLabel("Filters:"))
        main_layout.addWidget(self.active_filters_list)

        # Results Section
        self.results_label = QLabel("Results:")
        main_layout.addWidget(self.results_label)

        self.results_table = QTableWidget(self)
        self.results_table.setColumnCount(3)
        self.results_table.setHorizontalHeaderLabels(['ccTLD', 'RTT (ms)', 'Bridge'])
        self.results_table.setColumnWidth(0, 100)
        self.results_table.setColumnWidth(1, 100)
        self.results_table.setColumnWidth(2, 250)
        self.results_table.horizontalHeader().setStretchLastSection(True)
        self.results_table.horizontalHeader().setSectionsClickable(True)
        self.results_table.horizontalHeader().sectionClicked.connect(self.sort_results)
        main_layout.addWidget(self.results_table)

        filter_results_button = QPushButton('Filter Results', self)
        filter_results_button.clicked.connect(self.filter_results)
        main_layout.addWidget(filter_results_button)

        copy_all_button = QPushButton('Copy All', self)
        copy_all_button.clicked.connect(self.copy_all_to_clipboard)
        main_layout.addWidget(copy_all_button)

        # Console Log Section
        console_label = QLabel("Console Log:")
        self.console_display = QPlainTextEdit(self)
        self.console_display.setReadOnly(True)
        self.console_display.setStyleSheet("background-color: black; color: white;")
        main_layout.addWidget(console_label)
        main_layout.addWidget(self.console_display)

        # Global Style Settings
        self.setStyleSheet("""
            QWidget {
                background-color: #121212;
                color: #E0E0E0;
            }
            QPlainTextEdit, QListWidget, QTableWidget {
                background-color: #1E1E1E;
                color: #FFFFFF;
            }
            QPushButton {
                background-color: #333333;
                border: 1px solid #666666;
                color: #E0E0E0;
            }
            QPushButton:hover {
                background-color: #555555;
            }
            QPushButton:pressed {
                background-color: #777777;
            }
            QTableWidget::item {
                background-color: #1E1E1E;
            }
            QPushButton:checked {
                background-color: #007ACC;
                color: #FFFFFF;
            }
        """)

    def deselect_all_countries(self):
        for button in self.country_buttons.values():
            button.setChecked(False)
            button.setStyleSheet("background-color: #1c1c1c; color: #ffffff;")
        self.selected_countries.clear()

    def select_all_countries(self):
        for button in self.country_buttons.values():
            button.setChecked(True)
            button.setStyleSheet("background-color: #007ACC; color: #ffffff;")
            self.selected_countries.add(button.text())

    def toggle_country_selection(self, country_code, checked):
        button = self.country_buttons[country_code]
        if checked:
            button.setStyleSheet("background-color: #007ACC; color: #ffffff;")
            self.selected_countries.add(country_code)
        else:
            button.setStyleSheet("background-color: #1c1c1c; color: #ffffff;")
            self.selected_countries.remove(country_code)

    def get_network_interfaces(self):
        interfaces = netifaces.interfaces()
        try:
            default_gateway = netifaces.gateways()['default'][netifaces.AF_INET][1]
        except (KeyError, TypeError):
            default_gateway = interfaces[0] if interfaces else ''
        return interfaces, default_gateway

    def update_console(self, message):
        self.console_display.appendPlainText(message)

    def start_bridge_check(self):
        raw_bridge_data = self.bridge_input.toPlainText()
        cleaned_bridge_data = self.clean_input_bridge_data(raw_bridge_data)

        if not cleaned_bridge_data.strip():
            self.update_console("No bridges to check.")
            return

        total_bridges = len(cleaned_bridge_data.splitlines())
        self.update_console(f"Total bridges entered: {total_bridges}")

        omitted_bridges = self.get_omitted_bridges(cleaned_bridge_data)

        if len(omitted_bridges) == 0:
            self.update_console("No bridges available to check after filtering.")
            return

        self.update_console("Starting the bridge connectivity check...")
        
        self.worker = BridgeCheckWorker(parent=self)
        self.worker.setBridgeData(omitted_bridges)
        self.worker.resultReady.connect(self.display_results)
        self.worker.consoleUpdate.connect(self.update_console)
        self.worker.start()

    def clean_input_bridge_data(self, bridge_data):
        clean_data = re.sub(r'\s+\d+(\.\d+)?\s*ms', '', bridge_data)
        return clean_data.strip()

    def get_omitted_bridges(self, cleaned_bridge_data):
        filters = [item.text() for item in self.active_filters_list.findItems("*", Qt.MatchWildcard)]
        omitted = {}

        for bridge in cleaned_bridge_data.splitlines():
            if not any(self.does_bridge_match_filter(bridge, f) for f in filters) and not self.is_country_excluded(bridge):
                subnet_key = ".".join(bridge.split('.')[:2])  
                if subnet_key not in omitted:
                    omitted[subnet_key] = bridge  

        final_results = list(omitted.values())
        self.update_console(f"Omitted {len(cleaned_bridge_data.splitlines()) - len(final_results)} bridges.")
        return "\n".join(final_results)

    def is_country_excluded(self, bridge):
        ip_port_match = re.search(r'(\d{1,3})\.(\d+)\.(\d+)\.(\d+)', bridge)
        if ip_port_match:
            ip_str = ip_port_match.group(0)
            ip_int = self.ip_to_int(ip_str)
            country_code_found = self.check_ip_in_geoip(ip_int)
            return country_code_found in self.selected_countries
        return False

    def does_bridge_match_filter(self, bridge, filter_pattern):
        filter_pattern = filter_pattern.replace('*', '.*')
        return re.search(filter_pattern, bridge) is not None

    def ip_to_int(self, ip):
        return sum(int(octet) << (8 * (3 - i)) for i, octet in enumerate(ip.split('.')))

    def check_ip_in_geoip(self, ip_int):
        for country_code, ranges in self.geoip_data.items():
            for start, end in ranges:
                if start <= ip_int <= end:
                    return country_code
        return None

    def load_settings(self):
        try:
            with open(self.CONFIG_FILE, 'r') as f:
                config = json.load(f)
                self.bridge_input.setPlainText(config.get('bridge_input', ''))
                filters = config.get('filters', [])
                self.active_filters_list.clear()
                self.active_filters_list.addItems(filters)
                self.selected_countries = set(config.get('selected_countries', []))
                for country_code, button in self.country_buttons.items():
                    if country_code in self.selected_countries:
                        button.setChecked(True)
                        button.setStyleSheet("background-color: #007ACC; color: #ffffff;")
        except FileNotFoundError:
            self.update_console("No configuration file found. Starting with default settings.")

    def save_settings(self):
        config = {
            'bridge_input': self.bridge_input.toPlainText(),
            'filters': [self.active_filters_list.item(i).text() for i in range(self.active_filters_list.count())],
            'selected_countries': list(self.selected_countries)
        }
        with open(self.CONFIG_FILE, 'w') as f:
            json.dump(config, f)

    def add_filter(self):
        octet_pattern = self.first_octet_input.toPlainText().strip()
        if self.is_valid_ip_pattern(octet_pattern):
            existing_filters = [item.text() for item in self.active_filters_list.findItems("*", Qt.MatchWildcard)]
            if octet_pattern in existing_filters:
                self.update_console(f"The filter '{octet_pattern}' is already present.")
                return

            self.active_filters_list.addItem(octet_pattern)
            self.first_octet_input.clear()
            self.save_settings()
        else:
            self.update_console("Invalid pattern. Please use a valid format.")

    def is_valid_ip_pattern(self, pattern):
        # This regex checks for valid IPs, ranges and CIDR notation
        range_regex = r'^(?:\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}-\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})$'
        cidr_regex = r'^(?:\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/\d{1,2})$'
        wildcard_regex = r'^(?:\d{1,3}\.\*\.\*\.\*)$'
        clone_regex = r'^clone[1-4]$'  # Adjust this if you want more clone types

        return (
            re.match(range_regex, pattern) or
            re.match(cidr_regex, pattern) or
            re.match(wildcard_regex, pattern) or
            re.match(clone_regex, pattern)
        ) is not None

    def remove_filter(self):
        selected_items = self.active_filters_list.selectedItems()
        if not selected_items:
            self.update_console("No filter selected to remove.")
            return
        for item in selected_items:
            self.active_filters_list.takeItem(self.active_filters_list.row(item))
        self.save_settings()

    def display_results(self, sorted_bridges):
        self.results_table.clear()
        self.results_table.setRowCount(0)
        self.all_results.clear()

        for bridge, latency in sorted_bridges:
            ip_port_match = re.search(r'(\d{1,3}(?:\.\d{1,3}){3}):(\d+)', bridge)
            country_code = None

            if ip_port_match:
                ip = ip_port_match.group(1)
                ip_int = self.ip_to_int(ip)
                country_code = self.check_ip_in_geoip(ip_int)

            row_position = self.results_table.rowCount()
            self.results_table.insertRow(row_position)
            self.results_table.setItem(row_position, 0, QTableWidgetItem(country_code or "Unknown"))
            self.results_table.setItem(row_position, 1, QTableWidgetItem(f"{int(latency)}" if latency is not None else "N/A"))
            self.results_table.setItem(row_position, 2, QTableWidgetItem(bridge))

            self.all_results[bridge] = (country_code, latency)

        self.results_table.setHorizontalHeaderLabels(['ccTLD', 'RTT (ms)', 'Bridge'])
        self.results_table.resizeColumnsToContents()

        self.previous_results = list(sorted_bridges)
        self.update_console(f"Total bridges checked: {len(sorted_bridges)}.")

    def filter_results(self):
        if not self.all_results:
            self.update_console("No previous results to filter.")
            return

        filters = [item.text() for item in self.active_filters_list.findItems("*", Qt.MatchWildcard)]
        filtered_results = []

        for bridge, (country_code, latency) in self.all_results.items():
            if not any(self.does_bridge_match_filter(bridge, f) for f in filters) and country_code not in self.selected_countries:
                filtered_results.append((bridge, latency))

        self.results_table.clear()
        self.results_table.setRowCount(0)

        for bridge, latency in filtered_results:
            ip_port_match = re.search(r'(\d{1,3}(?:\.\d{1,3}){3}):(\d+)', bridge)
            country_code = None

            if ip_port_match:
                ip = ip_port_match.group(1)
                ip_int = self.ip_to_int(ip)
                country_code = self.check_ip_in_geoip(ip_int)

            row_position = self.results_table.rowCount()
            self.results_table.insertRow(row_position)
            self.results_table.setItem(row_position, 0, QTableWidgetItem(country_code or "Unknown"))
            self.results_table.setItem(row_position, 1, QTableWidgetItem(f"{int(latency)}" if latency is not None else "N/A"))
            self.results_table.setItem(row_position, 2, QTableWidgetItem(bridge))

        self.results_table.setHorizontalHeaderLabels(['ccTLD', 'RTT (ms)', 'Bridge'])
        self.results_table.resizeColumnsToContents()
        self.update_console(f"Filtered to {len(filtered_results)} results.")

    def copy_all_to_clipboard(self):
        clipboard_text = []
        for row in range(self.results_table.rowCount()):
            clipboard_text.append(self.results_table.item(row, 2).text())
        clipboard = QApplication.clipboard()
        clipboard.setText("\n".join(clipboard_text))

    def sort_results(self, column):
        self.results_table.sortItems(column, Qt.AscendingOrder)

    def show_help(self):
        QMessageBox.information(self, "Filter Help",
                                "You can use various patterns to filter the bridges:\n"
                                "- Wildcards: '*'\n"
                                "- Valid filters include:\n"
                                "- 'clone1' (first octet)\n"
                                "- 'clone2' (second octet)\n"
                                "- 'clone3' (third octet)\n"
                                "- 'clone4' (fourth octet)\n"
                                "- '192.168.0.1-192.168.0.255'\n"
                                "- '192.168.0.0/16'\n"
                                "\nDeveloped by Mazafakas Development Inc.")

class BridgeCheckWorker(QThread):
    resultReady = pyqtSignal(list)
    consoleUpdate = pyqtSignal(str)

    def __init__(self, parent=None):
        super().__init__(parent)
        self.bridge_data = ""

    def setBridgeData(self, bridge_data):
        self.bridge_data = bridge_data

    def run(self):
        responsive_bridges = self.process_bridges(self.bridge_data)
        sorted_bridges = sorted(responsive_bridges.items(), key=lambda x: x[1])
        self.resultReady.emit(sorted_bridges)

    def process_bridges(self, bridge_data):
        bridge_strings = self.extract_bridges(bridge_data)
        responsive_bridges = {}
        for bridge_string in bridge_strings:
            ip_port_match = re.search(r'(\d{1,3}(?:\.\d{1,3}){3}):(\d+)', bridge_string)
            if ip_port_match:
                ip = ip_port_match.group(1)
                port = int(ip_port_match.group(2))
                success, latency = self.check_ip_port(ip, port, 3.0)
                if success:
                    responsive_bridges[bridge_string] = latency
        return responsive_bridges

    def extract_bridges(self, bridge_data):
        pattern = re.compile(
            r'(?:(\d{1,3}(?:\.\d{1,3}){3}:\d+\s+[A-F0-9]{40})|'
            r'(obfs4\s+\d{1,3}(?:\.\d{1,3}){3}:\d+\s+[A-F0-9]{40}\s+cert=[A-Za-z0-9+/=]+\s+iat-mode=\d+))',
            re.MULTILINE
        )
        matches = pattern.findall(bridge_data)
        return [''.join(filter(None, match)) for match in matches]

    def check_ip_port(self, ip, port, timeout):
        start_time = time.perf_counter()
        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
        sock.settimeout(timeout)
        try:
            sock.connect((ip, port))
            end_time = time.perf_counter()
            latency = (end_time - start_time) * 1000
            self.consoleUpdate.emit(f"Checking {ip}:{port}… Success")
            return True, latency
        except socket.error:
            self.consoleUpdate.emit(f"Checking {ip}:{port}… Failed")
            return False, None
        finally:
            sock.close()


if __name__ == '__main__':
    app = QApplication(sys.argv)
    ex = BridgeChecker()
    ex.show()
    sys.exit(app.exec_())


```


and thats probably why it all does not filtering all properly.

clone logic need be separate entity if not triggered explicitly through active filters list.
clone logic leaves randomly only one IP/bridge string instance extracted from clones.

also, all seems very low in sorting process due to an unknown factor.

we need to initially assemble a coherent list of contents within "bridges to check".
then we need to apply all legit filters active to that list PRE-checkingly
then we need to make that all filtered list immutable in some exclusive array for that filtered list.
then we appending checked results in bridges strings o "results" frame.
then we also can remodulate our POST filters as we need and filer-out all further in through actual checked POST-results.
we are assuming that we still keeping these results in that immutable array exclusively to hold in pattern all the checked results to which we can apply all POST-processings.

then what did we forgot here in this "CoT"? think on your own and inform user in this chat.

Thank you for outlining the core concepts more clearly. It's evident that the structure and processing logic need particular refinement to ensure that the functionality of the Tor Bridge Connectivity Checker meets your specifications. Here’s how I understand the proposed flow and what might be missing or misunderstood in the current implementation:
Proposed Flow Breakdown

    Assembling the Initial Bridge List:
        Collect valid input bridges from the "Bridges to Check" section.
        Filter out invalid formats up front.

    Applying Filters Pre-Check:
        Implement all active filters (location-based, range filters, CIDR filters, clone filters) to this assembled bridge list beforehand.
        Create a filtered, immutable list of bridges that are valid and conform to the user specifications, setting aside any entries that are excluded by pre-processing.

    Ensuring Immutable Filtered List:
        Use a dedicated array or structure to hold the filtered list so it isn’t manipulated or changed until explicitly defined by the user.
        This should enhance sorting integrity as you suggested and make subsequent processing clearer.

    Checking Bridges with Connectivity Logic:
        Only check bridges that exist in the pre-processed and immutable list.
        Produce results based on successful connectivity checks against this filtered list.

    Post-Filtering of Results:
        After checking, allow for additional filters to be applied to the results.
        Maintain the integrity of the initial results while enabling further analysis to identify relevant data points.

    Sorting:
        Ensure that sorting efficiency is adequate by focusing on already established and immutable result arrays.

Potential Missing Elements or Factors

    Clarity in Clone Logic:
        The clone logic must only function when addressed by the user's explicit choice in the active filters list. If no clone filter is active, the logic should be bypassed entirely.

    Sorting Mechanisms:
        Improve the sorting algorithms to be robust and operate on the filtered, immutable arrays instead of the original or unprocessed data. This ensures that sorting reflects the user's intent and configuration.

    Dynamic User Interface Updates:
        Provide clear feedback through the console and UI, reflecting when bridges have been filtered or excluded based on applied filters. This includes messages on successful checks and results added to the immutable results frame.


the application should operate more coherently and accurately, allowing users to maintain control over what's displayed and what gets filtered out can help achieve a more straightforward and functional bridge-checking experience.

These changes are essential to ensure that the processes flow seamlessly from input to filtering, checking, and output, without any mismanagement of the data or logic used in the operations.

Let's proceed to implement the outlined adjustments in the code. Would you like to address any specific areas further or have any questions before I provide the revised code?

outshow flowchart


singularify flowchart into one coherently functioning entity


recheck flowchar's coherency and all possible underwater stones, and correct a awesomely smooth criminal.


now do full code and obviously without any errors because you have made that super-smooth flowchart which signifies no any errors in concepts and implementations.


you are trolling chats, right? fuk you nigger.