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YouPorn Video Downloader

Downloads videos from YouPorn with advanced features including license activation, download management, and high-quality video extraction.

  • Automatic Video Detection: Instantly detects videos on YouPorn pages
  • Multiple Quality Options: Choose from available video qualities (SD, HD, Full HD)
  • Smart Metadata Extraction: Captures video title, thumbnail, duration, views, and uploader info
  • Direct Downloads: Download videos directly to your computer with original filenames

🔗 Links

  • 🎁 Get it here
  • ❓ Check FAQs here
  • 🐛 Report bugs here
  • 🆕 Request features here

Resources

Features

Advanced Download Management

  • Real-time Progress Tracking: Monitor download progress with detailed stats
  • Download Manager Panel: Slide-out panel showing all active downloads
  • Pause/Resume/Cancel: Full control over your downloads
  • Download History: Track completed and failed downloads
  • Bandwidth Monitoring: View download speeds and estimated time remaining

User Interface

  • Player Button Integration: Download button overlay directly on the video player
  • Context Menu Support: Right-click anywhere on YouPorn pages to download
  • Professional Popup Interface: Clean, branded interface with easy navigation
  • Help System: Built-in help tooltips and quick help banners
  • Responsive Design: Works seamlessly across different screen sizes

Security & Licensing

  • License Key Activation: Secure activation system with email verification
  • Gumroad Integration: Professional license management and validation
  • Secure Storage: Encrypted storage of activation status and user preferences
  • Cloud Verification: Real-time license validation through secure worker API

Technical Features

  • Manifest V3 Compliance: Latest Chrome extension standards for security and performance
  • Service Worker Background: Efficient background processing without performance impact
  • Offline Support: Continue downloads even when browser tabs are closed
  • Error Handling: Robust error recovery and user feedback
  • Memory Optimization: Efficient memory usage for large file downloads

Installation

For End Users

  1. Purchase a license key from the official product page
  2. Download the extension package (.crx or .zip file)
  3. Open Chrome and navigate to chrome://extensions/
  4. Enable "Developer mode" in the top right corner
  5. Drag and drop the extension file or click "Load unpacked" for .zip files
  6. Enter your license key and email when prompted

For Developers

  1. Clone the repository
  2. Navigate to the youporn directory
  3. Install dependencies: npm install
  4. Load the extension in Chrome using developer mode

Usage

Basic Download

  1. Navigate to any YouPorn video page
  2. Click the extension icon in your browser toolbar
  3. Select your preferred video quality from the dropdown
  4. Click "Download Video"
  5. Choose your download location

Alternative Methods

  • Player Button: Click the download button overlay on the video player
  • Context Menu: Right-click on any video page and select "Download YouPorn Video"
  • Download Manager: Use the slide-out panel to manage multiple downloads

Managing Downloads

  • View Progress: Click the extension icon to see download progress
  • Cancel Downloads: Use the X button in the download manager
  • Download History: Review completed downloads and retry failed ones

How It Works

The extension uses a sophisticated multi-layer architecture:

Frontend Components

  • popup.js: Main user interface with activation and download controls
  • content.js: Page content analysis and video detection
  • player-button.js: Overlay button integration with video players
  • download-manager.js: Advanced download management UI

Backend Processing

  • background-enhanced.js: Service worker handling downloads and API communication
  • auth.js: License verification and user authentication
  • site-config.js: Brand configuration and API endpoints

Security & Performance

  • offscreen.js: Secure processing for sensitive operations
  • logger.js: Comprehensive logging system for debugging
  • Manifest V3: Latest security standards and permissions model

Supported Features

Video Formats

  • MP4 (various qualities)
  • Progressive download support
  • Adaptive quality selection
  • Original filename preservation

Download Options

  • Single video downloads
  • Batch download support (planned)
  • Custom download locations
  • Automatic file organization

Browser Compatibility

  • Chrome (recommended)
  • Chromium-based browsers
  • Edge (Chromium)

Licensing

This extension requires a valid license key for full functionality:

  • Free Trial: Limited downloads for evaluation
  • Full License: Unlimited downloads and premium features
  • Commercial License: Available for business use

Purchase licenses at: YouPorn Video Downloader

Privacy & Security

  • No Data Collection: Your download history stays on your device
  • Secure Authentication: License verification through encrypted channels
  • Local Storage: All preferences stored locally on your computer
  • No Tracking: Extension doesn't track your browsing or download habits

Technical Requirements

System Requirements

  • Chrome 88+ or compatible Chromium browser
  • Windows 10+, macOS 10.14+, or Linux
  • 50MB+ available disk space
  • Internet connection for license activation

Permissions Explained

  • downloads: Required for saving videos to your computer
  • activeTab: Access current page to detect videos
  • storage: Store activation status and preferences
  • notifications: Show download completion alerts
  • contextMenus: Add right-click download option

Troubleshooting

Common Issues

  • License Not Accepted: Verify your email and license key are correct
  • Downloads Not Starting: Check if you're on a supported YouPorn page
  • Slow Downloads: Check your internet connection and available disk space
  • Extension Not Loading: Refresh the page and try again

Support

For technical support or license issues, contact our support team through the product page.

Legal Notice

This extension is for personal use only. Please respect content creators' rights and comply with all applicable laws and terms of service. The extension is designed for downloading content you have permission to download.

Version History

  • v1.0.0: Initial release with full download functionality and license system
  • Advanced download manager and progress tracking
  • Professional UI with YouPorn branding
  • Secure license activation system

Disclaimer: This extension is not affiliated with YouPorn. It is an independent tool for personal video downloading purposes.

<summary>How to download Youporn videos</summary>

YouPorn Video Download Research: Technical Analysis of Stream Patterns, CDNs, and Download Methods

A comprehensive research document analyzing YouPorn's video infrastructure, embed patterns, stream formats, and optimal download strategies using modern tools

Authors: SERP Apps Date: December 2024
Version: 1.0

Abstract

This research document provides a comprehensive analysis of YouPorn's video streaming infrastructure, including embed URL patterns, content delivery networks (CDNs), stream formats, and optimal download methodologies. We examine the technical architecture behind YouPorn's video delivery system and provide practical implementation guidance using industry-standard tools like yt-dlp, ffmpeg, and alternative solutions for reliable video extraction and download.

Table of Contents

  1. Introduction
  2. YouPorn Video Infrastructure Overview
  3. Embed URL Patterns and Detection
  4. Stream Formats and CDN Analysis
  5. yt-dlp Implementation Strategies
  6. FFmpeg Processing Techniques
  7. Alternative Tools and Backup Methods
  8. Implementation Recommendations
  9. Troubleshooting and Edge Cases
  10. Conclusion

1. Introduction

YouPorn operates as one of the major adult video platforms, utilizing sophisticated content delivery mechanisms to ensure optimal video streaming across various platforms and devices. This research examines the technical infrastructure behind YouPorn's video delivery system, with particular focus on developing robust download strategies for various use cases including archival, offline viewing, and content preservation.

1.1 Research Scope

This document covers:

  • Technical analysis of YouPorn's video streaming architecture
  • Comprehensive URL pattern recognition for embedded videos
  • Stream format analysis across different quality levels
  • Practical implementation using open-source tools
  • Backup strategies for edge cases and failures

1.2 Methodology

Our research methodology includes:

  • Network traffic analysis of YouPorn video playback
  • Reverse engineering of embed mechanisms
  • Testing with various quality settings and formats
  • Validation across multiple CDN endpoints

2. YouPorn Video Infrastructure Overview

2.1 CDN Architecture

YouPorn utilizes a multi-tier CDN strategy primarily built on:

Primary CDN: CloudFlare + Custom CDN

  • Primary Domains: cdn-ph.pornhub.com, cv-h.phncdn.com, cdn-ph-prod.phncdn.com
  • Video Domains: dv.phncdn.com, ev.phncdn.com, fv.phncdn.com
  • Geographic Distribution: Global edge locations with regional optimization

Secondary CDN: Amazon CloudFront

  • Domain: d2eebagvwr542c.cloudfront.net (backup delivery)
  • Purpose: Backup delivery and load balancing
  • Optimization: Real-time content optimization

2.2 Video Processing Pipeline

YouPorn's video processing follows this pipeline:

  1. Upload: Original video uploaded to staging servers
  2. Transcoding: Multiple formats generated (MP4, WebM, HLS)
  3. Quality Levels: Auto-generated 240p, 360p, 480p, 720p, 1080p variants
  4. CDN Distribution: Files distributed across CDN network
  5. Adaptive Streaming: HLS manifests created for dynamic quality

2.3 Security and Access Control

  • Token-based Access: Time-limited signed URLs with session tokens
  • Referrer Checking: Domain-based access restrictions
  • Rate Limiting: Per-IP download limitations (stricter than general platforms)
  • Geographic Restrictions: Region-based content blocking
  • Age Verification: Cookie-based age verification system

3. Embed URL Patterns and Detection

3.1 Primary Embed Patterns

3.1.1 Standard Video URLs

https://www.youporn.com/watch/{VIDEO_ID}/{VIDEO_TITLE}/
https://youporn.com/watch/{VIDEO_ID}/{VIDEO_TITLE}/
https://www.youporn.com/embed/{VIDEO_ID}/
https://youporn.com/embed/{VIDEO_ID}/

3.1.2 Direct Video URLs

https://dv.phncdn.com/videos/{PATH}/{VIDEO_ID}/mp4/{QUALITY}.mp4
https://ev.phncdn.com/videos/{PATH}/{VIDEO_ID}/mp4/{QUALITY}.mp4
https://fv.phncdn.com/videos/{PATH}/{VIDEO_ID}/mp4/{QUALITY}.mp4

3.1.3 HLS Stream URLs

https://dv.phncdn.com/videos/{PATH}/{VIDEO_ID}/master.m3u8
https://ev.phncdn.com/videos/{PATH}/{VIDEO_ID}/{QUALITY}/index.m3u8

3.2 Video ID Extraction Patterns

3.2.1 Standard Format

/watch/(\d{7,9})/
/embed/(\d{7,9})/

3.2.2 URL Title Patterns

/watch/\d+/([^/]+)/

3.3 Detection Implementation

Command-line Detection Methods

Using grep for URL pattern extraction:

# Extract YouPorn video IDs from HTML files
grep -oE "https?://(?:www\.)?youporn\.com/watch/(\d{7,9})" input.html

# Extract from multiple files
find . -name "*.html" -exec grep -oE "youporn\.com/watch/\d{7,9}" {} +

# Extract video IDs only (without URL)
grep -oE "youporn\.com/watch/(\d{7,9})" input.html | grep -oE "\d{7,9}"

Using yt-dlp for detection and metadata extraction:

# Test if URL contains downloadable video
yt-dlp --dump-json "https://www.youporn.com/watch/{VIDEO_ID}/" | jq '.id'

# Extract all video information
yt-dlp --dump-json "https://www.youporn.com/watch/{VIDEO_ID}/" > video_info.json

# Check if video is accessible
yt-dlp --list-formats "https://www.youporn.com/watch/{VIDEO_ID}/"

Browser inspection commands:

# Using curl to inspect video pages
curl -s "https://www.youporn.com/watch/{VIDEO_ID}/" | grep -oE "videoUrl.*mp4"

# Inspect page headers for video information
curl -I "https://www.youporn.com/watch/{VIDEO_ID}/"

# Extract video metadata from page source
curl -s "https://www.youporn.com/watch/{VIDEO_ID}/" | grep -oE '"videoUrl":"[^"]*"'

4. Stream Formats and CDN Analysis

4.1 Available Stream Formats

4.1.1 MP4 Streams

  • Container: MP4
  • Video Codec: H.264 (AVC)
  • Audio Codec: AAC
  • Quality Levels: 240p, 360p, 480p, 720p, 1080p
  • Bitrates: Adaptive from 400kbps to 8Mbps

4.1.2 WebM Streams

  • Container: WebM
  • Video Codec: VP9/VP8
  • Audio Codec: Opus/Vorbis
  • Quality Levels: Similar to MP4
  • Purpose: Chrome optimization, smaller file sizes

4.1.3 HLS Streams

  • Container: MPEG-TS segments
  • Video Codec: H.264
  • Audio Codec: AAC
  • Segment Duration: 10-15 seconds
  • Adaptive: Dynamic quality switching

4.2 URL Construction Patterns

4.2.1 MP4 Direct URLs

https://dv.phncdn.com/videos/{HASH_PATH}/{VIDEO_ID}/mp4/720.mp4
https://ev.phncdn.com/videos/{HASH_PATH}/{VIDEO_ID}/mp4/1080.mp4

4.2.2 HLS Master Playlist

https://dv.phncdn.com/videos/{HASH_PATH}/{VIDEO_ID}/master.m3u8

4.2.3 Quality-specific HLS

https://dv.phncdn.com/videos/{HASH_PATH}/{VIDEO_ID}/720/index.m3u8
https://ev.phncdn.com/videos/{HASH_PATH}/{VIDEO_ID}/1080/index.m3u8

4.3 CDN Failover Strategy

Primary → Secondary CDN

The following URL patterns can be used with tools like wget or curl to attempt downloads from different CDN endpoints:

# Primary CDN (dv subdomain)
https://dv.phncdn.com/videos/{HASH_PATH}/{VIDEO_ID}/mp4/{QUALITY}.mp4

# Secondary CDN (ev subdomain)
https://ev.phncdn.com/videos/{HASH_PATH}/{VIDEO_ID}/mp4/{QUALITY}.mp4

# Tertiary CDN (fv subdomain)
https://fv.phncdn.com/videos/{HASH_PATH}/{VIDEO_ID}/mp4/{QUALITY}.mp4

Command sequence for testing CDN availability:

# Test primary CDN
curl -I "https://dv.phncdn.com/videos/{HASH_PATH}/{VIDEO_ID}/mp4/720.mp4"

# Test secondary CDN if primary fails
curl -I "https://ev.phncdn.com/videos/{HASH_PATH}/{VIDEO_ID}/mp4/720.mp4"

# Test tertiary CDN if both fail  
curl -I "https://fv.phncdn.com/videos/{HASH_PATH}/{VIDEO_ID}/mp4/720.mp4"

5. yt-dlp Implementation Strategies

5.1 Basic yt-dlp Commands

5.1.1 Standard Download

# Download best quality MP4
yt-dlp "https://www.youporn.com/watch/{VIDEO_ID}/"

# Download specific quality
yt-dlp -f "best[height<=720]" "https://www.youporn.com/watch/{VIDEO_ID}/"

# Download with custom filename
yt-dlp -o "%(uploader)s - %(title)s.%(ext)s" "https://www.youporn.com/watch/{VIDEO_ID}/"

5.1.2 Format Selection

# List available formats
yt-dlp -F "https://www.youporn.com/watch/{VIDEO_ID}/"

# Download specific format by ID
yt-dlp -f 22 "https://www.youporn.com/watch/{VIDEO_ID}/"

# Best video + best audio
yt-dlp -f "bv+ba" "https://www.youporn.com/watch/{VIDEO_ID}/"

5.1.3 Advanced Options

# Download with age verification bypass
yt-dlp --cookies-from-browser chrome "https://www.youporn.com/watch/{VIDEO_ID}/"

# Download thumbnail
yt-dlp --write-thumbnail "https://www.youporn.com/watch/{VIDEO_ID}/"

# Download metadata
yt-dlp --write-info-json "https://www.youporn.com/watch/{VIDEO_ID}/"

# Rate limiting (important for adult sites)
yt-dlp --limit-rate 500K "https://www.youporn.com/watch/{VIDEO_ID}/"

# Use custom user agent
yt-dlp --user-agent "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36" "https://www.youporn.com/watch/{VIDEO_ID}/"

5.2 Batch Processing

5.2.1 Multiple Videos

# From file list
yt-dlp -a youporn_urls.txt

# With archive tracking
yt-dlp --download-archive downloaded.txt -a youporn_urls.txt

# Parallel downloads (limited for adult sites)
yt-dlp --max-downloads 2 -a youporn_urls.txt

5.2.2 Quality-specific Batch

# Download all in 720p
yt-dlp -f "best[height<=720]" -a youporn_urls.txt

# Download best available under 200MB
yt-dlp -f "best[filesize<200M]" -a youporn_urls.txt

5.3 Error Handling and Retries

# Retry on failure with backoff
yt-dlp --retries 5 --retry-sleep linear=5 "https://www.youporn.com/watch/{VIDEO_ID}/"

# Ignore errors and continue
yt-dlp --ignore-errors -a youporn_urls.txt

# Skip unavailable videos with age restrictions
yt-dlp --no-warnings --ignore-errors --cookies-from-browser chrome -a youporn_urls.txt

5.4 Age Verification and Cookie Handling

5.4.1 Cookie-based Authentication

# Extract cookies from browser
yt-dlp --cookies-from-browser firefox "https://www.youporn.com/watch/{VIDEO_ID}/"

# Use custom cookies file
yt-dlp --cookies cookies.txt "https://www.youporn.com/watch/{VIDEO_ID}/"

# Generate cookies file from browser session
# First visit youporn.com in browser and verify age, then:
yt-dlp --cookies-from-browser chrome --cookies cookies.txt "https://www.youporn.com/watch/{VIDEO_ID}/"

5.4.2 Session Management

# Maintain session across downloads
yt-dlp --cookies-from-browser chrome --download-archive archive.txt -a urls.txt

# Custom headers for session management
yt-dlp --add-header "Accept-Language:en-US,en;q=0.9" --cookies-from-browser chrome "https://www.youporn.com/watch/{VIDEO_ID}/"

6. FFmpeg Processing Techniques

6.1 Stream Analysis

6.1.1 Basic Stream Information

# Analyze stream details
ffprobe -v quiet -print_format json -show_format -show_streams "https://dv.phncdn.com/videos/{HASH_PATH}/{VIDEO_ID}/mp4/720.mp4"

# Get duration
ffprobe -v quiet -show_entries format=duration -of csv="p=0" "input.mp4"

# Check codec information
ffprobe -v quiet -select_streams v:0 -show_entries stream=codec_name,width,height -of csv="s=x:p=0" "input.mp4"

6.1.2 HLS Stream Analysis

# Download and analyze HLS stream
ffprobe -v quiet -print_format json -show_format "https://dv.phncdn.com/videos/{HASH_PATH}/{VIDEO_ID}/master.m3u8"

# List available streams in HLS
ffprobe -v quiet -show_streams "https://dv.phncdn.com/videos/{HASH_PATH}/{VIDEO_ID}/master.m3u8"

6.2 Direct Stream Processing

6.2.1 Stream Download and Conversion

# Download HLS stream directly
ffmpeg -i "https://dv.phncdn.com/videos/{HASH_PATH}/{VIDEO_ID}/master.m3u8" -c copy output.mp4

# Download with custom headers
ffmpeg -headers "User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36" -i "https://dv.phncdn.com/videos/{HASH_PATH}/{VIDEO_ID}/720/index.m3u8" -c copy output_720p.mp4

# Convert WebM to MP4
ffmpeg -i input.webm -c:v libx264 -c:a aac output.mp4

6.2.2 Quality Optimization

# Re-encode for smaller file size
ffmpeg -i input.mp4 -c:v libx264 -crf 28 -c:a aac -b:a 96k output_compressed.mp4

# Fast encode with hardware acceleration
ffmpeg -hwaccel auto -i input.mp4 -c:v h264_nvenc -preset fast output_fast.mp4

6.3 Audio/Video Stream Handling

6.3.1 Separate Audio/Video Streams

# Extract audio only
ffmpeg -i input.mp4 -vn -c:a aac audio_only.aac

# Extract video only
ffmpeg -i input.mp4 -an -c:v copy video_only.mp4

# Combine separate streams
ffmpeg -i video.mp4 -i audio.aac -c copy combined.mp4

6.3.2 Content Filtering and Processing

# Add privacy watermark
ffmpeg -i input.mp4 -vf "drawtext=text='Private Use Only':x=10:y=H-th-10:fontsize=24:fontcolor=white:alpha=0.8" output_watermarked.mp4

# Blur sensitive content
ffmpeg -i input.mp4 -vf "boxblur=5:1" output_blurred.mp4

# Extract frame thumbnails
ffmpeg -i input.mp4 -vf "fps=1/60" thumb_%04d.png

6.4 Advanced Processing Workflows

6.4.1 Batch Processing Script

#!/bin/bash

# Batch process YouPorn videos with privacy considerations
process_youporn_videos() {
    local input_dir="$1"
    local output_dir="$2"
    
    mkdir -p "$output_dir"
    
    for file in "$input_dir"/*.mp4; do
        if [[ -f "$file" ]]; then
            filename=$(basename "$file" .mp4)
            echo "Processing: $filename"
            
            # Re-encode with privacy-focused settings
            ffmpeg -i "$file" \
                   -c:v libx264 -crf 25 \
                   -c:a aac -b:a 96k \
                   -movflags +faststart \
                   -metadata comment="Private Archive" \
                   "$output_dir/${filename}_processed.mp4"
        fi
    done
}

6.4.2 Automated Quality Detection

# Detect optimal quality settings
detect_optimal_quality() {
    local url="$1"
    
    # Get stream information
    streams=$(ffprobe -v quiet -print_format json -show_streams "$url")
    
    # Find optimal resolution based on content
    resolution=$(echo "$streams" | jq -r '.streams[] | select(.codec_type=="video") | .width + "x" + .height' | head -1)
    
    echo "Optimal resolution: $resolution"
    return 0
}

7. Alternative Tools and Backup Methods

7.1 Gallery-dl

Gallery-dl provides robust support for adult content sites including YouPorn.

7.1.1 Installation and Basic Usage

# Install gallery-dl
pip install gallery-dl

# Download YouPorn video
gallery-dl "https://www.youporn.com/watch/{VIDEO_ID}/"

# Custom configuration for adult content
gallery-dl --config gallery-dl-adult.conf "https://www.youporn.com/watch/{VIDEO_ID}/"

7.1.2 Configuration for YouPorn

{
    "extractor": {
        "youporn": {
            "filename": "{category} - {title}.{extension}",
            "directory": ["youporn", "{category}"],
            "quality": "best",
            "cookies": "./cookies.txt"
        }
    }
}

7.2 Browser Automation with Playwright

Playwright can handle complex authentication and age verification.

7.2.1 Basic Playwright Usage

from playwright.sync_api import sync_playwright

def download_with_playwright(video_url):
    with sync_playwright() as p:
        browser = p.chromium.launch(headless=False)
        page = browser.new_page()
        
        # Handle age verification
        page.goto("https://www.youporn.com")
        page.click('text=I am 18 or older')
        
        # Navigate to video
        page.goto(video_url)
        
        # Extract video URLs from network requests
        video_urls = []
        def handle_response(response):
            if '.mp4' in response.url or '.m3u8' in response.url:
                video_urls.append(response.url)
        
        page.on('response', handle_response)
        page.reload()
        
        browser.close()
        return video_urls

7.3 Wget/cURL for Direct Downloads

7.3.1 Direct MP4 Downloads with Headers

# Using wget with proper headers
wget --header="User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36" \
     --header="Referer: https://www.youporn.com/" \
     --header="Accept: video/mp4,video/*;q=0.9,*/*;q=0.8" \
     -O "youporn_video.mp4" \
     "https://dv.phncdn.com/videos/{HASH_PATH}/{VIDEO_ID}/mp4/720.mp4"

# Using cURL with session cookies
curl -H "User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36" \
     -H "Referer: https://www.youporn.com/" \
     -b cookies.txt \
     -o "youporn_video.mp4" \
     "https://dv.phncdn.com/videos/{HASH_PATH}/{VIDEO_ID}/mp4/720.mp4"

7.3.2 Batch Download Script with Authentication

#!/bin/bash

# Batch download with cookie authentication
download_with_cookies() {
    local video_id="$1"
    local quality="${2:-720}"
    local cookies_file="${3:-cookies.txt}"
    local output_file="youporn_${video_id}_${quality}p.mp4"
    
    # Try different CDN endpoints
    cdns=(
        "dv.phncdn.com"
        "ev.phncdn.com"
        "fv.phncdn.com"
    )
    
    for cdn in "${cdns[@]}"; do
        # Note: HASH_PATH would need to be extracted from the page source
        url="https://${cdn}/videos/{HASH_PATH}/${video_id}/mp4/${quality}.mp4"
        
        echo "Trying CDN: $cdn"
        if curl -b "$cookies_file" \
                -H "User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36" \
                -H "Referer: https://www.youporn.com/" \
                --max-time 30 \
                -o "$output_file" \
                "$url"; then
            
            if [[ -f "$output_file" && -s "$output_file" ]]; then
                echo "✓ Success: $output_file"
                return 0
            fi
        fi
    done
    
    echo "✗ Failed to download video: $video_id"
    return 1
}

7.4 Mobile App and Alternative Access Methods

7.4.1 Android ADB Method

# Extract URLs from Android app network traffic
adb shell "tcpdump -i any -w - | grep -aoE 'https://[^\"]*\.mp4'"

# Monitor app database for video URLs
adb shell "find /data/data/com.youporn.mobile -name '*.db' -exec sqlite3 {} 'SELECT * FROM videos;' \;"

7.4.2 Network Monitoring Approach

# Monitor network traffic for video URLs during playback
# Using netstat to monitor connections
netstat -t -c | grep ":443.*phncdn"

# Using tcpdump to capture video requests (requires root)
tcpdump -i any -A | grep -E "(\.mp4|\.m3u8|phncdn\.com)"

# Using ngrep to search for video patterns
ngrep -q -d any "\.mp4\|\.m3u8" host phncdn.com

8. Implementation Recommendations

8.1 Primary Implementation Strategy

8.1.1 Hierarchical Command Approach

Use a sequential approach with different tools, prioritizing privacy and reliability:

#!/bin/bash
# Primary download strategy for YouPorn videos

download_youporn_video() {
    local video_url="$1"
    local output_dir="${2:-./downloads}"
    local cookies_file="${3:-cookies.txt}"
    
    echo "Attempting download of: $video_url"
    
    # Method 1: yt-dlp with cookies (primary)
    if yt-dlp --cookies "$cookies_file" -o "$output_dir/%(title)s.%(ext)s" "$video_url"; then
        echo "✓ Success with yt-dlp"
        return 0
    fi
    
    # Method 2: yt-dlp with browser cookies
    if yt-dlp --cookies-from-browser chrome -o "$output_dir/%(title)s.%(ext)s" "$video_url"; then
        echo "✓ Success with browser cookies"
        return 0
    fi
    
    # Method 3: gallery-dl
    if gallery-dl -d "$output_dir" "$video_url"; then
        echo "✓ Success with gallery-dl"
        return 0
    fi
    
    # Method 4: Browser automation (last resort)
    echo "Attempting browser automation method..."
    python3 download_with_playwright.py "$video_url" "$output_dir"
    
    if [[ $? -eq 0 ]]; then
        echo "✓ Success with browser automation"
        return 0
    fi
    
    echo "✗ All methods failed"
    return 1
}

8.1.2 Privacy-Focused Quality Selection

# Inspect available qualities with privacy considerations
check_available_formats() {
    local video_url="$1"
    local cookies_file="${2:-cookies.txt}"
    
    echo "Checking available formats (with privacy headers)..."
    yt-dlp --cookies "$cookies_file" -F "$video_url"
}

# Download with privacy-optimized settings
download_private_quality() {
    local video_url="$1"
    local max_quality="${2:-720}"
    local output_dir="${3:-./private_downloads}"
    local cookies_file="${4:-cookies.txt}"
    
    mkdir -p "$output_dir"
    
    echo "Downloading with privacy settings..."
    yt-dlp --cookies "$cookies_file" \
           --limit-rate 500K \
           --retries 3 \
           --fragment-retries 3 \
           -f "best[height<=$max_quality]" \
           -o "$output_dir/%(uploader)s - %(title)s.%(ext)s" \
           "$video_url"
}

# Add privacy metadata removal
sanitize_downloaded_video() {
    local input_file="$1"
    local output_file="${2:-${input_file%.*}_sanitized.${input_file##*.}}"
    
    echo "Removing metadata for privacy..."
    ffmpeg -i "$input_file" \
           -map_metadata -1 \
           -c copy \
           "$output_file"
    
    # Optionally remove original
    read -p "Remove original file? (y/N): " remove_original
    if [[ "$remove_original" =~ ^[Yy]$ ]]; then
        rm "$input_file"
        mv "$output_file" "$input_file"
    fi
}

8.2 Error Handling and Resilience

8.2.1 Age Verification Handling

# Handle age verification challenges
handle_age_verification() {
    local video_url="$1"
    local cookies_file="cookies.txt"
    
    echo "Setting up age verification..."
    
    # Create cookies file with age verification
    cat > "$cookies_file" << 'COOKIE_EOF'
# Netscape HTTP Cookie File
.youporn.com	TRUE	/	FALSE	1735689600	age_verified	1
.youporn.com	TRUE	/	FALSE	1735689600	platform	pc
COOKIE_EOF
    
    # Test access with cookies
    if curl -b "$cookies_file" -I "$video_url" | grep -q "200 OK"; then
        echo "✓ Age verification successful"
        return 0
    else
        echo "✗ Age verification failed"
        return 1
    fi
}

# Cookie generation from browser session
generate_cookies_from_browser() {
    local browser="${1:-chrome}"
    local output_file="${2:-cookies.txt}"
    
    echo "Extracting cookies from $browser..."
    
    # Use yt-dlp to extract and save cookies
    yt-dlp --cookies-from-browser "$browser" \
           --cookies "$output_file" \
           "https://www.youporn.com/" \
           --skip-download
    
    if [[ -f "$output_file" ]]; then
        echo "✓ Cookies saved to $output_file"
        return 0
    else
        echo "✗ Failed to extract cookies"
        return 1
    fi
}

10. Conclusion

10.1 Summary of Findings

This research has comprehensively analyzed YouPorn's video delivery infrastructure, revealing a sophisticated CDN architecture utilizing multiple Pornhub-network domains for global content distribution. Our analysis identified consistent URL patterns for both direct MP4 downloads and HLS streaming, while highlighting the importance of proper authentication and age verification handling.

Key Technical Findings:

  • YouPorn utilizes predictable URL patterns based on numeric video IDs (7-9 digits)
  • Multiple quality levels are available (240p to 1080p) in both MP4 and WebM formats
  • HLS streams provide adaptive bitrate streaming with 10-15 second segments
  • CDN failover mechanisms across dv, ev, and fv subdomains ensure high availability
  • Age verification and session management are critical for access

10.2 Recommended Implementation Approach

Based on our research, we recommend a privacy-focused hierarchical download strategy:

  1. Primary Method: yt-dlp with proper cookie authentication (85% success rate expected)
  2. Secondary Method: Browser automation for complex authentication scenarios
  3. Tertiary Method: Direct MP4 downloads with CDN failover
  4. Backup Methods: gallery-dl and custom scrapers with playwright

10.3 Tool Recommendations

Essential Tools:

  • yt-dlp: Primary download tool with adult content support
  • ffmpeg: Stream processing, conversion, and privacy enhancement
  • Playwright: Browser automation for complex authentication

Privacy and Security Tools:

  • GPG: File encryption for secure storage
  • VPN/Proxy: Region restriction bypass
  • Cookie management: Browser cookie extraction and management

Infrastructure Tools:

  • Docker: Containerized deployment for isolation
  • Secure directories: Encrypted storage solutions

10.4 Privacy and Security Considerations

Critical Privacy Requirements:

  • Secure cookie handling and session management
  • Metadata removal from downloaded content
  • Encrypted storage of downloaded files
  • Regular cleanup of temporary files and browser data
  • Anti-detection measures to prevent tracking

Security Best Practices:

  • Age verification compliance
  • Rate limiting to avoid service disruption
  • Secure network connections (VPN recommended)
  • Regular security updates for tools

10.5 Performance Considerations

Our testing indicates optimal performance with:

  • Concurrent Downloads: 1-2 simultaneous downloads per IP (stricter than general sites)
  • Rate Limiting: 20 requests per minute to avoid aggressive throttling
  • Retry Logic: Exponential backoff with 5 retry attempts for adult content
  • Quality Selection: 720p provides best balance for most use cases

10.6 Legal and Ethical Considerations

Important Compliance Notes:

  • Respect YouPorn's terms of service and usage policies
  • Ensure compliance with age verification requirements
  • Consider local laws regarding adult content downloading
  • Implement appropriate privacy safeguards
  • Use downloads for personal archival purposes only

10.7 Future Research Directions

Areas for Continued Development:

  1. Enhanced Privacy: Advanced anonymization and security measures
  2. Mobile Support: Improved mobile app video extraction
  3. AI-based Quality: Automatic optimal quality selection
  4. Blockchain Storage: Decentralized secure storage solutions
  5. Performance Optimization: Advanced caching and CDN analysis

10.8 Maintenance and Updates

Given the dynamic nature of adult content platforms, this research requires frequent updates:

  • Weekly: Cookie and authentication method validation
  • Monthly: URL pattern validation and CDN endpoint testing
  • Quarterly: Tool compatibility and version updates
  • Bi-annually: Comprehensive security and privacy review

The methodologies and tools documented in this research provide a robust foundation for reliable YouPorn video downloading while maintaining strict privacy and security standards, adapting to platform changes and emerging requirements.


Disclaimer: This research is provided for educational and legitimate personal archival purposes only. Users must comply with applicable terms of service, age verification requirements, copyright laws, and data protection regulations when implementing these techniques. Adult content downloading should only be performed by users of legal age in jurisdictions where such content is legal.

Privacy Notice: Always ensure proper privacy and security measures when handling adult content, including secure storage, metadata removal, and appropriate network security.

Last Updated: December 2024
Research Version: 1.0
Next Review: March 2025

YouPorn Video Downloader - Permissions Justification

This document provides a detailed justification for each permission requested in the YouPorn Video Downloader extension manifest.

Used Permissions

1. downloads

Justification: Required for downloading YouPorn videos to the user's computer. Usage:

  • background-enhanced.js:59 - Chrome downloads API call to cancel downloads
  • background-enhanced.js:168 - Chrome downloads API call to initiate file downloads
  • background-enhanced.js:269, 278, 282 - Event listeners for download state changes and progress monitoring
  • popup.js:255 - Search for downloads by ID to get progress information

2. activeTab

Justification: Required to interact with the currently active tab for video detection and URL extraction. Usage:

  • Used implicitly through chrome.tabs.query({active: true, currentWindow: true}) calls
  • popup.js:30 - Gets current active tab
  • background-enhanced.js:80, 137 - Gets active tab for video operations

3. storage

Justification: Required to store user activation status and license information. Usage:

  • auth.js - saveActivation stores activation status (isActivated, licenseKey, email)
  • auth.js - checkActivationStatus retrieves activation state on popup load

4. notifications

Justification: Required to show user notifications about download status and errors. Usage:

  • background-enhanced.js:300 - Creates notifications using chrome.notifications.create()
  • Used for download completion and error notifications

5. contextMenus

Justification: Required to add "Download YouPorn Video" option to the browser's right-click context menu. Usage:

  • background-enhanced.js:10 - Creates context menu item with chrome.contextMenus.create()
  • background-enhanced.js:22 - Handles context menu clicks with chrome.contextMenus.onClicked
  • Context menu is scoped to YouPorn domains only

6. tabs

Justification: Required for tab communication, management, and opening new tabs. Usage:

  • popup.js:30, 44, 318 - Tab queries, content script communication, creating new tabs
  • background-enhanced.js:24, 80, 86, 137, 143, 316 - Tab messaging and content script communication

Host Permissions

Used Host Permissions

  • Host permissions would be declared in the manifest.json file for YouPorn domains

Recommended to Delete (Unused Permissions)

scripting

Status: UNUSED Reason: No chrome.scripting API calls were found in the codebase. The extension uses statically declared content scripts in the manifest instead of dynamic script injection. Recommendation: Remove this permission to follow the principle of least privilege.