unable to parse license - check protobufs DMMTV

[AmorAprca]

I found a problem in decrypting DMMTV.
Can't solve the secret key.

URL:

https://tv.dmm.com/vod/playback/?season=9fencvw380c6c7ky5spnmii2y&content=4mno9hru4pxwypfsx3dbhiooy

mpd_url: https://stc034.dmm.com/launchpad/st4.0:YiVBtfVOwa2jHB0pv-bK19g2QNdApik-6xhqH8MVt+WP2mqf2DZQemWQkHgU--YcYg+PM1htxO8olj25cm2VRI338JAIpv+LTCEMwpSXdAUK3Msz8GlzVxeOfvedLhV2O6B5EG4-PvprqX9bn+6w-YzyHjQrYZRYgQt7iXYde2wDLg226UO+r35gLYuYAdjq+j3Q1Wdue+XSYlZNpmZAz2g+vCzu65Wzifvy6mMgQBnZR6tzsNLA-O8dsW9uEIMgnfntRIhfwN8Od0XhO4QaT+d9zJU48x3vePsfZKpdCsYnzr+dMlw8os9W5630UQhU/arp8Iwf7fVKFk09rXBhsNcgrH8HQ/-/manifest.mpd
MPD file has been saved to: D:\WKS-KEYS\mpd\download\manifest.mpd
Two qualified < cenc:pssh > elements were found.
use PSSH: AAAA7XBzc2gAAAAA7e+LqXnWSs6jyCfc1R0h7QAAAM0SEORxWA+hrDJXuaUoqJtYH5oiuAF7InYiOiIyIiwiZmlkIjoiNG1ubzlocnU0cHh3eXBmc3gzZGJoaW9veSIsInN2aWQiOiJsYXVuY2hwYWQiLCJwbCI6ImV5SmtaV3hwZG1WeWVWOTBlWEJsSWpveExDSnhkV0ZzYVhSNUlqb3hMQ0owWldVaU9tWmhiSE5sTENKb1pHTndYMmxrSWpveGZRIiwiY3MiOiJkMjMyNzZiNDJjYWRhZjY5NmZjN2M1YjYwMjNmODg3ZSJ9
unable to parse license - check protobufs

I have wvd.
It can't be decrypted when decrypting this.

headers.py

import requests

cookies = {
    'xxxx':'xxxxxx'
}

headers = {
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:130.0) Gecko/20100101 Firefox/130.0',
    'Accept': '*/*',
    'Accept-Language': 'zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2',
    # 'Accept-Encoding': 'gzip, deflate, br, zstd',
    'Referer': 'https://tv.dmm.com/',
    'Origin': 'https://tv.dmm.com',
    'Connection': 'keep-alive',
    # 'Cookie': 'top_pv_uid=xxxxxxx; ',
    'Sec-Fetch-Dest': 'empty',
    'Sec-Fetch-Mode': 'cors',
    'Sec-Fetch-Site': 'same-site',
    'Priority': 'u=4',
    # Requests doesn't support trailers
    # 'TE': 'trailers',
    'Content-Type': 'application/x-www-form-urlencoded',
}

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response = requests.post('https://mlic.dmm.com/drm/widevine/license', cookies=cookies, headers=headers, data=data)

[aqzs]

You can't send raw data from curl, you have to use pywidevine.
Isn't this website paid ? https://forum.videohelp.com/threads/404993-Please-ONLY-ask-for-help-videos-that-everyo...ere-is-my-post

[Frieren]

I can help with access to content

[ddll]

Example

https://tv.dmm.com/vod/playback/?season=3vttcw9k7vpszo07ijdpcoyiq&content=k5qyi8p031dh2d3cdnvzvfod1

import requests

headers = {
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:130.0) Gecko/20100101 Firefox/130.0',
    'Accept': '*/*',
    'Accept-Language': 'en-US;q=0.8,en-GB;q=0.6,de-DE;q=0.5,nl;q=0.4,cs;q=0.3,pl;q=0.1',
    # 'Accept-Encoding': 'gzip, deflate, br, zstd',
    'Referer': 'https://tv.dmm.com/',
    'Origin': 'https://tv.dmm.com',
}

data = '^\b^\x04'

response = requests.post('https://mlic.dmm.com/drm/widevine/license', headers=headers, data=data)

PSSH: AAAA7XBzc2gAAAAA7e+LqXnWSs6jyCfc1R0h7QAAAM0SEFKeOg6YSTs1kggXr8McyMMiuAF7InYiOiIyIiwiZmlkIjoiazVxeWk4cDAzMWRoMmQzY2Rudnp2Zm9kMSIsInN2aWQiOiJsYXVuY2hwYWQiLCJwbCI6ImV5SmtaV3hwZG1WeWVWOTBlWEJsSWpveExDSnhkV0ZzYVhSNUlqb3lMQ0owWldVaU9tWmhiSE5sTENKb1pHTndYMmxrSWpveGZRIiwiY3MiOiIzNDEyMDRmOTExYTM5MzIyZTU2MDcwMDZlY2JmNTU2NCJ9
License URL: https://mlic.dmm.com/drm/widevine/license

--key 529e3a0e98493b35920817afc31cc8c3:7c6661e031c884143b27d67fca9b9fc7

001.mp4

[AmorAprca]

You can't send raw data from curl, you have to use pywidevine.
Isn't this website paid ? https://forum.videohelp.com/threads/404993-Please-ONLY-ask-for-help-videos-that-everyo...ere-is-my-post

How to get the original data in pywidevine？

[AmorAprca]

I used the l3 code of WKS-KEYS, which was modified.
Headers, nothing needs to change.
But my call to cookie is not clear.
dmml3.py

import subprocess
import os
from colorama import init, Fore, Style
from bs4 import BeautifulSoup
import base64
import requests
import sys
import xmltodict
from lxml import etree
import 日本DMMheaders
from pywidevine.L3.cdm import cdm, deviceconfig
from base64 import b64encode
from pywidevine.L3.getPSSH import get_pssh
from pywidevine.L3.decrypt.wvdecryptcustom import WvDecrypt

init(autoreset=True)

def clean_title(raw_title):
    # Clean up special characters in the title
    cleaned_title = raw_title.replace('#', '').replace('/', '').replace(' ', '').replace('「', '').replace('」', '')
    return cleaned_title

def download_mpd_file(mpd_url, output_folder):
    # Get MPD file
    response = requests.get(mpd_url)
    mpd_content = response.content

    # Get the file name of MPD file
    mpd_filename = "manifest.mpd"

    # Build a local save path
    local_path = os.path.join(output_folder, mpd_filename)

    # Save MPD file to local
    with open(local_path, 'wb') as file:
        file.write(mpd_content)

    print(f"MPD file has been saved to: {local_path}")
    return local_path

def get_cenc_pssh_content(mpd_filepath):
    # Read MPD file
    with open(mpd_filepath, 'rb') as file:
        mpd_content = file.read()

    # Parse MPD file
    root = etree.fromstring(mpd_content)

    # Define a namespace
    namespaces = {
        'cenc': 'urn:mpeg:cenc:2013',
        'default': 'urn:mpeg:dash:schema:mpd:2011'  # Specify a prefix for the default namespace
    }

    # Get the text content of all < cenc:pssh > elements
    cenc_pssh_elements = root.xpath('//cenc:pssh/text()', namespaces=namespaces)

    # Screen out pssh with a length less than 320 characters
    valid_pssh = [pssh for pssh in cenc_pssh_elements if len(pssh) <= 320]

    # Output debugging information and confirm the found pssh
    if valid_pssh:
        print(f"find {len(valid_pssh)} Eligible < cenc:pssh > elements")
        print(f"PSSH used: {valid_pssh[0]}")  # Print the first qualified pssh
        return valid_pssh[0]  # Return the first qualified pssh content
    else:
        print("No < cenc:pssh > element that meets the length requirement was found。")
        return None

def download_video_with_key(video_url, keys, save_name):
    key_args = ' '.join([f'--key {key}' for key in keys])
    command = f'D:\\桌面\\widevine\\WKS-KEYS\\downmp4\\N_m3u8DL-RE.exe "{video_url}" {key_args} --save-dir "D:\\桌面\\widevine\\WKS-KEYS\\downmp4" --use-shaka-packager -mt -M format=mkv --auto-select --save-name "{save_name}"'

    try:
        # Execute the command to disable interactive mode
        subprocess.run(command, shell=True, check=True)
        print("Video download completed！")
    except subprocess.CalledProcessError as e:
        print(f"Video download failed. Error message: {e}")

if __name__ == "__main__":
    # Input video link
    mpd_url = input('\nMPD_url: ')

    # Fixed local save path
    output_folder = r"D:\桌面\widevine\WKS-KEYS\mpd\download"

    # Create a folder to save MPD files
    os.makedirs(output_folder, exist_ok=True)

    # Download and save the MPD file, and get the saving path
    mpd_filepath = download_mpd_file(mpd_url, output_folder)

    # Gets the text content of the < cenc:pssh > element
    pssh_content = get_cenc_pssh_content(mpd_filepath)

    if pssh_content:
        lic_url = 'https://mlic.dmm.com/drm/widevine/license'

        # If there is no certificate data, you can set the cert_data_b64 parameter to None
        wvdecrypt = WvDecrypt(init_data_b64=pssh_content, cert_data_b64=None,
                              device=deviceconfig.device_android_generic)
        widevine_license = requests.post(url=lic_url, data=wvdecrypt.get_challenge(), headers=日本DMMheaders.headers)
        license_b64 = b64encode(widevine_license.content)
        wvdecrypt.update_license(license_b64)
        Correct, keyswvdecrypt = wvdecrypt.start_process()

        if Correct:
            print("Decryption succeeded, and the key is：")
            for key in keyswvdecrypt:
                print(key)

            # Enter a save name and clean up special characters
            save_name_raw = input('\nsave name: ')
            save_name = clean_title(save_name_raw)
            
            # Splicing all keys into the format required by the command line
            key_args = ' '.join([f'--key {key}' for key in keyswvdecrypt])
            
            # Output the call command with color
            command = f'D:\\桌面\\widevine\\WKS-KEYS\\downmp4\\N_m3u8DL-RE.exe "{mpd_url}" {key_args} --save-dir "D:\\桌面\\widevine\\WKS-KEYS\\downmp4" --use-shaka-packager -mt -M format=mkv --auto-select --save-name "{save_name}"'
            print(f'{Fore.GREEN}调用命令为: \n{command}{Style.RESET_ALL}')

            # Call N_m3u8DL-RE.exe tool to download video
            download_video_with_key(mpd_url, keyswvdecrypt, save_name)
        else:
            print("Unable to get Widevine key。")
    else:
        print("The content of the < cenc:pssh > element was not found。")