Initial project setup with main modules and utilities

Add main application logic, utility modules for stream and time handling, DRM key fetching, and manifest parsing. Includes example environment file, requirements, .gitignore, and README with project goals and todos.

utils/stream.py

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+"""Utility module for streaming and manifest parsing."""
+import xml.etree.ElementTree as ET
+import base64
+import os
+import asyncio
+import time
+from typing import Dict, Any
+
+import requests
+from dotenv import load_dotenv
+import aiohttp
+
+load_dotenv()
+
+
+def fetch_drm_keys(kid: str) -> str:
+    """Fetch DRM keys for a given KID.
+
+    Args:
+        kid: The key identifier string.
+
+    Returns:
+        The DRM key as a string.
+    """
+    headers = {
+        'Content-Type': 'application/json',
+        'Api-Key': os.getenv("API_KEY"),
+    }
+    data = {"service": "oqee", "kid": kid}
+    response = requests.post(
+        os.getenv("API_URL"), headers=headers, json=data, timeout=10
+    )
+    return response.json()["key"]
+
+
+def parse_mpd_manifest(mpd_content: str) -> Dict[str, Any]:
+    """Parse an MPD manifest and extract metadata.
+
+    Args:
+        mpd_content: The MPD manifest content as a string.
+
+    Returns:
+        A dictionary containing parsed manifest information.
+    """
+    root = ET.fromstring(mpd_content)
+    namespaces = {
+        'mpd': 'urn:mpeg:dash:schema:mpd:2011',
+        'cenc': 'urn:mpeg:cenc:2013'
+    }
+
+    manifest_info = {
+        'type': root.get('type'),
+        'profiles': root.get('profiles'),
+        'publishTime': root.get('publishTime'),
+        'availabilityStartTime': root.get('availabilityStartTime'),
+        'minimumUpdatePeriod': root.get('minimumUpdatePeriod'),
+        'minBufferTime': root.get('minBufferTime'),
+        'timeShiftBufferDepth': root.get('timeShiftBufferDepth'),
+        'suggestedPresentationDelay': root.get('suggestedPresentationDelay'),
+        'periods': []
+    }
+
+    for period in root.findall('mpd:Period', namespaces):
+        period_info = {
+            'id': period.get('id'),
+            'start': period.get('start'),
+            'adaptation_sets': []
+        }
+        for adaptation_set in period.findall('mpd:AdaptationSet', namespaces):
+            adaptation_info = parse_adaptation_set(adaptation_set, namespaces)
+            period_info['adaptation_sets'].append(adaptation_info)
+        manifest_info['periods'].append(period_info)
+    return manifest_info
+
+
+def parse_adaptation_set(
+    adaptation_set: ET.Element, namespaces: Dict[str, str]
+) -> Dict[str, Any]:
+    """Parse an AdaptationSet element from MPD manifest.
+
+    Args:
+        adaptation_set: The AdaptationSet XML element.
+        namespaces: XML namespaces dictionary.
+
+    Returns:
+        A dictionary containing parsed adaptation set information.
+    """
+    adaptation_info = {
+        'id': adaptation_set.get('id'),
+        'group': adaptation_set.get('group'),
+        'contentType': adaptation_set.get('contentType'),
+        'lang': adaptation_set.get('lang'),
+        'segmentAlignment': adaptation_set.get('segmentAlignment'),
+        'startWithSAP': adaptation_set.get('startWithSAP'),
+        'drm_info': [],
+        'representations': []
+    }
+
+    # Parse ContentProtection
+    for content_protection in adaptation_set.findall(
+        'mpd:ContentProtection', namespaces
+    ):
+        drm_info = parse_content_protection(content_protection, namespaces)
+        adaptation_info['drm_info'].append(drm_info)
+
+    # Parse Role
+    role = adaptation_set.find('mpd:Role', namespaces)
+    if role is not None:
+        adaptation_info['role'] = role.get('value')
+
+    # Parse Representations
+    for representation in adaptation_set.findall('mpd:Representation', namespaces):
+        rep_info = parse_representation(representation, namespaces)
+        adaptation_info['representations'].append(rep_info)
+
+    return adaptation_info
+
+
+def parse_content_protection(
+    content_protection: ET.Element, namespaces: Dict[str, str]
+) -> Dict[str, Any]:
+    """Parse ContentProtection element for DRM information.
+
+    Args:
+        content_protection: The ContentProtection XML element.
+        namespaces: XML namespaces dictionary.
+
+    Returns:
+        A dictionary containing DRM information.
+    """
+    drm_info = {
+        'schemeIdUri': content_protection.get('schemeIdUri'),
+        'value': content_protection.get('value')
+    }
+
+    default_kid = content_protection.get('{urn:mpeg:cenc:2013}default_KID')
+    if default_kid:
+        drm_info['default_KID'] = default_kid
+
+    pssh_element = content_protection.find('cenc:pssh', namespaces)
+    if pssh_element is not None and pssh_element.text:
+        drm_info['pssh'] = pssh_element.text.strip()
+        try:
+            pssh_decoded = base64.b64decode(drm_info['pssh'])
+            drm_info['pssh_hex'] = pssh_decoded.hex()
+        except (ValueError, base64.binascii.Error):
+            pass
+
+    return drm_info
+
+
+def parse_representation(
+    representation: ET.Element, namespaces: Dict[str, str]
+) -> Dict[str, Any]:
+    """Parse Representation element from MPD manifest.
+
+    Args:
+        representation: The Representation XML element.
+        namespaces: XML namespaces dictionary.
+
+    Returns:
+        A dictionary containing parsed representation information.
+    """
+    rep_info = {
+        'id': representation.get('id'),
+        'bandwidth': representation.get('bandwidth'),
+        'codecs': representation.get('codecs'),
+        'mimeType': representation.get('mimeType'),
+        'width': representation.get('width'),
+        'height': representation.get('height'),
+        'frameRate': representation.get('frameRate'),
+        'segments': {}
+    }
+
+    segment_template = representation.find('mpd:SegmentTemplate', namespaces)
+    if segment_template is not None:
+        rep_info['segments'] = {
+            'timescale': segment_template.get('timescale'),
+            'initialization': segment_template.get('initialization'),
+            'media': segment_template.get('media'),
+            'timeline': []
+        }
+
+        segment_timeline = segment_template.find('mpd:SegmentTimeline', namespaces)
+        if segment_timeline is not None:
+            for s_element in segment_timeline.findall('mpd:S', namespaces):
+                timeline_info = {
+                    't': s_element.get('t'),  # start time
+                    'd': s_element.get('d'),  # duration
+                    'r': s_element.get('r')   # repeat count
+                }
+                rep_info['segments']['timeline'].append(timeline_info)
+
+    return rep_info
+
+
+def organize_by_content_type(manifest_info: Dict[str, Any]) -> Dict[str, Any]:
+    """Organize manifest information by content type.
+
+    Args:
+        manifest_info: Parsed manifest information dictionary.
+
+    Returns:
+        A dictionary organized by content type (video, audio, text).
+    """
+    organized = {
+        'video': {},
+        'audio': {},
+        'text': {},
+        'manifest_metadata': {
+            'type': manifest_info.get('type'),
+            'publishTime': manifest_info.get('publishTime'),
+            'minBufferTime': manifest_info.get('minBufferTime'),
+        }
+    }
+
+    for period in manifest_info.get('periods', []):
+        for adaptation_set in period.get('adaptation_sets', []):
+            content_type = adaptation_set.get('contentType')
+
+            if not content_type:
+                continue
+
+            for rep in adaptation_set.get('representations', []):
+                track_info = {
+                    'track_id': rep.get('id'),
+                    'adaptation_set_id': adaptation_set.get('id'),
+                    'bandwidth': int(rep.get('bandwidth', 0)),
+                    'bitrate_kbps': int(rep.get('bandwidth', 0)) // 1000,
+                    'codec': rep.get('codecs'),
+                    'mime_type': rep.get('mimeType'),
+                    'drm_info': adaptation_set.get('drm_info', []),
+                    'segments': rep.get('segments', {}),
+                }
+                
+                if content_type == 'video':
+                    width = rep.get('width')
+                    height = rep.get('height')
+                    frame_rate = rep.get('frameRate')
+
+                    track_info.update({
+                        'resolution': (
+                            f"{width}x{height}" if width and height else 'unknown'
+                        ),
+                        'width': int(width) if width else None,
+                        'height': int(height) if height else None,
+                        'frame_rate': frame_rate,
+                    })
+
+                    resolution_key = track_info['resolution']
+                    if resolution_key not in organized['video']:
+                        organized['video'][resolution_key] = []
+                    organized['video'][resolution_key].append(track_info)
+
+                elif content_type == 'audio':
+                    lang = adaptation_set.get('lang', 'unknown')
+                    role = adaptation_set.get('role', 'main')
+
+                    track_info.update({
+                        'language': lang,
+                        'role': role,
+                    })
+
+                    lang_key = f"{lang}_{role}"
+                    if lang_key not in organized['audio']:
+                        organized['audio'][lang_key] = []
+                    organized['audio'][lang_key].append(track_info)
+
+                elif content_type == 'text':
+                    lang = adaptation_set.get('lang', 'unknown')
+                    role = adaptation_set.get('role', 'caption')
+
+                    track_info.update({
+                        'language': lang,
+                        'role': role,
+                    })
+
+                    lang_key = f"{lang}_{role}"
+                    if lang_key not in organized['text']:
+                        organized['text'][lang_key] = []
+                    organized['text'][lang_key].append(track_info)
+
+    # Sort video tracks by resolution (descending) and then by bitrate (descending)
+    for resolution in organized['video']:
+        organized['video'][resolution].sort(
+            key=lambda x: x['bandwidth'], reverse=True
+        )
+
+    # Sort audio tracks by bitrate (descending)
+    for lang in organized['audio']:
+        organized['audio'][lang].sort(key=lambda x: x['bandwidth'], reverse=True)
+
+    # Sort video resolutions by pixel count (descending)
+    sorted_video = {}
+    for resolution in sorted(
+        organized['video'].keys(),
+        key=lambda r: (
+            int(r.split('x')[0]) * int(r.split('x')[1])
+            if 'x' in r and r.split('x')[0].isdigit() else 0
+        ),
+        reverse=True
+    ):
+        sorted_video[resolution] = organized['video'][resolution]
+    organized['video'] = sorted_video
+
+    return organized
+
+
+def get_manifest(manifest_id):
+    """Fetch the MPD manifest for a given channel ID.
+
+    Args:
+        manifest_id: The channel/manifest identifier.
+
+    Returns:
+        The manifest content as text.
+    """
+    headers = {
+        'accept': '*/*',
+        'accept-language': 'en-GB,en-US;q=0.9,en;q=0.8',
+        'cache-control': 'no-cache',
+        'origin': 'https://tv.free.fr',
+        'pragma': 'no-cache',
+        'priority': 'u=1, i',
+        'referer': 'https://tv.free.fr/',
+        'sec-ch-ua': '"Google Chrome";v="143", "Chromium";v="143", "Not A(Brand";v="24"',
+        'sec-ch-ua-mobile': '?0',
+        'sec-ch-ua-platform': '"macOS"',
+        'sec-fetch-dest': 'empty',
+        'sec-fetch-mode': 'cors',
+        'sec-fetch-site': 'cross-site',
+        'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36',
+    }
+
+    url = (
+        f'https://api-proxad.dc2.oqee.net/playlist/v1/live/'
+        f'{manifest_id}/1/live.mpd'
+    )
+    response = requests.get(url, headers=headers, timeout=10)
+    return response.text
+
+
+async def fetch_segment(session, ticks, track_id):
+    """Fetch a media segment asynchronously.
+
+    Args:
+        session: The aiohttp ClientSession.
+        ticks: The tick value for the segment.
+        track_id: The track identifier.
+
+    Returns:
+        The tick value if successful, None otherwise.
+    """
+    url = f"https://media.stream.proxad.net/media/{track_id}_{ticks}"
+    headers = {
+        'Accept': '*/*',
+        'Referer': 'https://tv.free.fr/',
+        'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36',
+    }
+    try:
+        async with session.get(url, headers=headers) as resp:
+            if resp.status == 200:
+                print(f"✅ {ticks} → 200 OK")
+                return ticks
+            print(f"❌ {ticks} → {resp.status}")
+            return None
+    except aiohttp.ClientError as e:
+        print(f"⚠️ {ticks} → {e}")
+        return None
+
+def get_init(track_id):
+    """Download and save the initialization segment for a track.
+
+    Args:
+        track_id: The track identifier.
+    """
+    url = f"https://media.stream.proxad.net/media/{track_id}_init"
+    headers = {
+        'Accept': '*/*',
+        'Referer': 'https://tv.free.fr/',
+        'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36',
+    }
+    response = requests.get(url, headers=headers, timeout=10)
+    if response.status_code == 200:
+        with open(f'segments/segments_{track_id}/init.mp4', 'wb') as f:
+            f.write(response.content)
+        print(f"✅ Saved initialization segment to init_{track_id}.mp4")
+
+
+async def save_segments(track_id, start_tick, rep_nb, duration):
+    """Download and save multiple media segments.
+
+    Args:
+        track_id: The track identifier.
+        start_tick: The starting tick value.
+        rep_nb: The number of segments to download.
+        duration: The duration per segment.
+    """
+    os.makedirs(f'segments/segments_{track_id}', exist_ok=True)
+
+    async def download_segment(session, tick, rep):
+        """Download a single segment."""
+        url = f"https://media.stream.proxad.net/media/{track_id}_{tick}"
+        headers = {
+            'Accept': '*/*',
+            'Referer': 'https://tv.free.fr/',
+            'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36',
+        }
+        try:
+            async with session.get(url, headers=headers) as resp:
+                if resp.status == 200:
+                    content = await resp.read()
+                    filename = f"segments/segments_{track_id}/{tick}.m4s"
+                    with open(filename, 'wb') as f:
+                        f.write(content)
+                    print(
+                        f"✅ Saved segment {rep} (tick {tick}) to {filename}"
+                    )
+                    return True
+                print(
+                    f"❌ Failed to download segment {rep} (tick {tick}): "
+                    f"HTTP {resp.status}"
+                )
+                return False
+        except aiohttp.ClientError as e:
+            print(f"⚠️ Error downloading segment {rep} (tick {tick}): {e}")
+            return False
+
+    print(f"\n🎬 Starting download of {rep_nb} segments...")
+    print(f"📦 Track ID: {track_id}")
+    print(f"🎯 Base tick: {start_tick}")
+    print(f"{'='*50}\n")
+
+    start_time = time.time()
+    successful = 0
+    failed = 0
+
+    async with aiohttp.ClientSession() as session:
+        tasks = []
+        for i in range(rep_nb):
+            tick = start_tick + i * duration
+            tasks.append(download_segment(session, tick, i))
+
+        results = await asyncio.gather(*tasks, return_exceptions=True)
+        successful = sum(1 for r in results if r is True)
+        failed = rep_nb - successful
+
+    end_time = time.time()
+    elapsed = end_time - start_time
+
+    print(f"\n{'='*50}")
+    print(f"✅ Download completed in {elapsed:.2f}s")
+    print(f"📊 Successful: {successful}/{rep_nb}")
+    print(f"❌ Failed: {failed}/{rep_nb}")
+    print(f"💾 Files saved to segments_{track_id}/")
+    print(f"{'='*50}")
+
+
+def get_kid(track_id):
+    """Extract the Key ID (KID) from downloaded segments.
+
+    Args:
+        track_id: The track identifier.
+
+    Returns:
+        The KID as a hex string if found, None otherwise.
+    """
+    folder = f'segments/segments_{track_id}'
+    for filename in os.listdir(folder):
+        if filename.endswith('.m4s'):
+            filepath = os.path.join(folder, filename)
+            print(f"Checking file: {filepath}")
+            with open(filepath, 'rb') as f:
+                data = f.read()
+                # Pattern before KID
+                index = data.find(
+                    b'\x73\x65\x69\x67\x00\x00\x00\x14'
+                    b'\x00\x00\x00\x01\x00\x00\x01\x10'
+                )
+                if index != -1:
+                    kid_bytes = data[index + 16:index + 16 + 16]
+                    kid = kid_bytes.hex()
+                    return kid
+    return None

utils/times.py

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+"""Utility functions for time and tick conversions, and bruteforce operations."""
+import asyncio
+import datetime
+import time
+
+import aiohttp
+
+from utils.stream import fetch_segment
+
+
+def convert_ticks_to_sec(ticks, timescale):
+    """Convert ticks to seconds."""
+    return ticks / timescale
+
+
+def convert_sec_to_ticks(seconds, timescale):
+    """Convert seconds to ticks."""
+    return seconds * timescale
+
+
+def convert_sec_to_date(seconds, offset_hours=1):
+    """Convert seconds to datetime with offset."""
+    dt = datetime.datetime.utcfromtimestamp(seconds) + datetime.timedelta(hours=offset_hours)
+    return dt
+
+
+def convert_date_to_sec(dt, offset_hours=1):
+    """Convert datetime to seconds with offset."""
+    epoch = datetime.datetime(1970, 1, 1)
+    utc_dt = dt - datetime.timedelta(hours=offset_hours)
+    return (utc_dt - epoch).total_seconds()
+
+
+def convert_date_to_ticks(dt, timescale, offset_hours=1):
+    """Convert datetime to ticks with offset."""
+    return int(round(convert_date_to_sec(dt, offset_hours) * timescale))
+
+
+def past(rep, base, duration):
+    """Calculate past tick."""
+    return base - rep * duration
+
+
+def future(rep, base, duration):
+    """Calculate future tick."""
+    return base + rep * duration
+
+
+async def bruteforce(track_id, date):
+    """Bruteforce segments to find valid ticks."""
+    valid_ticks = []
+
+    total_requests = 288000
+    pas = 20000
+
+    for i in range(total_requests // pas):
+        debut = pas * i
+        fin = debut + pas
+
+        segment_num = i + 1
+        total_segments = total_requests // pas
+        print(f"\n🚀 Starting bruteforce segment {segment_num}/{total_segments} "
+              f"(ticks {debut} to {fin})...")
+
+        checked_ticks = set()
+        ticks_to_check = list(range(debut, fin))
+        start_time = time.time()
+        try:
+            async with aiohttp.ClientSession() as session:
+                tasks = [fetch_segment(session, t+date, track_id) for t in ticks_to_check]
+                results = await asyncio.gather(*tasks, return_exceptions=True)
+                new_valid = [r for r in results if r and not isinstance(r, Exception)]
+                valid_ticks.extend(new_valid)
+
+                # Mark all checked ticks
+                checked_ticks.update(ticks_to_check)
+        except KeyboardInterrupt:
+            print("\n\n🛑 Interrupted by user (Ctrl+C)")
+            # Save progress even if interrupted
+            checked_ticks.update(list(ticks_to_check))  # Mark attempted as checked
+            end_time = time.time()
+            elapsed = end_time - start_time
+            req_per_sec = len(ticks_to_check) / elapsed if elapsed > 0 else 0
+
+            print(f"\n{'='*50}")
+            print(f"✅ Completed in {elapsed:.2f}s")
+            print(f"⚡ Speed: {req_per_sec:.2f} req/s")
+            print(f"📊 Total checked: {len(checked_ticks)}/{total_requests}")
+            print(f"🎯 Valid ticks found: {len(valid_ticks)}")
+            # print(f"💾 Progress saved to {PROGRESS_FILE}")
+            print(f"{'='*50}")
+        if valid_ticks:
+            print("Ticks valides :", valid_ticks)
+            # break from the for loop if valid ticks found
+            break
+
+
+def find_nearest_tick_by_hour(base_tick, datetime_str, timescale, duration, offset_hours=1):
+    """Find the nearest tick for a given datetime."""
+    dt = datetime.datetime.strptime(datetime_str, "%Y-%m-%d %H:%M:%S")
+    target_ticks = convert_date_to_ticks(dt, timescale, offset_hours)
+    diff_ticks = base_tick - target_ticks
+    rep_estimate = diff_ticks / duration
+
+    # Determine if we need to go to past or future
+    if rep_estimate < 0:
+        # Target is in the future from base
+        rep = int(round(abs(rep_estimate)))
+        nearest_tick = base_tick + rep * duration
+    else:
+        # Target is in the past from base
+        rep = int(round(rep_estimate))
+        nearest_tick = base_tick - rep * duration
+
+    nearest_seconds = convert_ticks_to_sec(nearest_tick, timescale)
+    target_seconds = convert_ticks_to_sec(target_ticks, timescale)
+    delta_seconds = abs(nearest_seconds - target_seconds)
+
+    print(f"Requested datetime: {dt} (offset +{offset_hours}h)")
+    print(f"Nearest rep: {rep}")
+    print(f"Tick: {nearest_tick}")
+    print(f"Date: {convert_sec_to_date(nearest_seconds, offset_hours)}")
+    print(f"Difference: {delta_seconds:.2f} seconds")
+
+    return nearest_tick, rep