Help downloding DRM video

[Goras]

Hi Guys,

I'm trying to download this video with yt-dlp

>yt-dlp https://edge-vod03-hr.cvattv.com.ar/vod/c5eds/vod/HTTL8469792917599003-Tren_dinosaurio__Is/_/vod_dash/HTTL8469792917599003-Tren_dinosaurio__Is.mpd
[generic] HTTL8469792917599003-Tren_dinosaurio__Is: Requesting header
WARNING: [generic] Falling back on generic information extractor.
[generic] HTTL8469792917599003-Tren_dinosaurio__Is: Downloading webpage
[generic] HTTL8469792917599003-Tren_dinosaurio__Is: Extracting information
ERROR: [generic] HTTL8469792917599003-Tren_dinosaurio__Is: This video is DRM protected

I'm kind of newbie, I was able to download the videos some time ago before they were encrypted.

Any help is appreciated.
Thanks

[lomero]

add --allow-u

yt-dlp --allow-u https://edge-vod03-hr.cvattv.com.ar/vod/c5eds/vod/HTTL8469792917599003-Tren_dinosaurio__Is/_/vod_dash/HTTL8469792917599003-Tren_dinosaurio__Is.mpd

[codehound]

I'm kind of newbie, I was able to download the videos some time ago before they were encrypted.

Any help is appreciated.
Thanks

Help yourself by searching this forum instead of asking to be spoonfed, there are HUNDREDS of posts detailing how to DL encrypted content and what to do with it post-download.

First of all you must request what formats are available with the (capital) -F command

yt-dlp -F --allow-u "https://edge-vod03-hr.cvattv.com.ar/vod/c5eds/vod/HTTL8469792917599003-Tren_dinosaurio__Is/_/vod_dash/HTTL8469792917599003-Tren_dinosaurio__Is.mpd"

DL video part

DL audio part

Decrypt video part

Decrypt audio part

Merge both decrypted parts with ffmpeg

[Loryanam2]

delete

[Goras]

Thank you both, is the decrypt key present in the mpd? I'm trying to figure out how to get it

[codehound]

To get the keys you need the pssh + the headers + the licence url

The pssh can be found in the mpd in plain text or encoded - or by use of a Tampermonkey script https://greasyfork.org/en/scripts/373903-eme-logger

If you use this install Tampermonkey first
https://www.tampermonkey.net/

We can help with the headers )

Lic url can be found by filter url in Network tab for lic, wv, widevine, auth (etc) or other similar words

But you will need a working CDM, this no one will help you with.

If you just want a one-off set of decryption keys, any of us will help you though.

[Goras]

Thank you!, I just want to download this for my son (one time only).

I think the license URL can be obtained from EME call and log extension so I can attach both the log and the mpd (I don't know which field in the mpd is the PSSH).

[jack_666]

@Goras

Lic url

licenseServerUri: "https://wv-client.cvattv.com.ar?deviceId=YWNhOGZjYTZkODdkMzcw ZjA1YTNlNmQ1NzRhNmEwM2M=",

Pssh
AAAAgXBzc2gAAAAA7e+LqXnWSs6jyCfc1R0h7QAAAGEIARIQBy aazy0tQ35V7xd4Rc5OARoVdmVyaW1hdHJpeGNhYmxldmlzaW9u IjByPURBU0g4NDY5NzkyOTE3NTk5MDAzLVRyZW5fZGlub3NhdX Jpb19fSXMmcz05NTAqAlNE

Test Proof of pssh
===========

Widevine Pssh
{
"algorithm":"AESCTR",
"keyIds":["Byaazy0tQ35V7xd4Rc5OAQ=="],
"provider":"verimatrixcablevision",
"contentId":"cj1EQVNIODQ2OTc5MjkxNzU5OTAwMy1UcmVuX 2Rpbm9zYXVyaW9fX0lzJnM9OTUw",
"trackType":"SD"
}

This was the easy part. Enjoy doing the not so easy part

Edit:
You may wish to double check that Lic Server via the Network of Dev tools as I am not 100% it is correct. The pssh is correct though.

[TonyChocolonely]

@Goras

This was the easy part. Enjoy doing the not so easy part

Edit:
You may wish to double check that Lic Server via the Network of Dev tools as I am not 100% it is correct. The pssh is correct though.

Seems to be correct, here is the key:

--key 07269acf2d2d437e55ef177845ce4e01:3ffbb692a6ab39978 44dc31e1094f832

[Goras]

@TonyChocolonely
@jack_666
@codehound
@lomero

Thank you all, I managed to download and decrypt it!

[lolv8]

Hi,

I followed all instructions to download a DRM protected video as in this post, but i get an error.
Does anyone has an idea what i do wrong?
Thnx! in advance

Link to movie off approch:

https://drive.google.com/file/d/1hi2w9RcU7fX9IVlp71OhsY0pcxuVUBPP/view?usp=share_link

[[ss]vegeta]

I followed all instructions to download a DRM protected video as in this post, but i get an error.
Does anyone has an idea what i do wrong?

VRT needs "adjustments" that you won't find on cdrm-project.com
Try to get into getwvkeys.cc, you'll find a script there.

[ringy9]

Hi Newbie here. I have searched and have been unable to find in Firefox using Tampermonkey where the EME Logger log file can be found. Could anyone please point me in the right direction.

Thank You

[codehound]

Developer Tools > Console tab

Look for an entry similar to this:

[EME] MediaKeySession::generateRequest
    Session ID: (not available)
    Init Data Type: cenc
    Init Data: AAAAMnBzc2gAAAAA7e+LqXnWSs6jyCfc1R0h7QAAABISED7RgBfvHVK4ud7knv31hls=

There's your pssh value

[ringy9]

Thanks for the reply codehound I'll investigate further. The Reason I asked about the EME log is to find the full LicenseServer url as in Post #8

[codehound]

The Reason I asked about the EME log is to find the full LicenseServer url as in Post #8

You find the lic url by typing (one at a time) words like lic wv auth drm in the Filter Url box of the Dev Tools > Network tab.

Type the word in, then Refresh page (F5 on keyboard) , play the video and look for the first POST method entry.

[lolv8]

I followed all instructions to download a DRM protected video as in this post, but i get an error.
Does anyone has an idea what i do wrong?

VRT needs "adjustments" that you won't find on cdrm-project.com
Try to get into getwvkeys.cc, you'll find a script there.

Still waiting to be verified
Any alternative to getwvkeys.cc ?

[A_n_g_e_l_a]

Still waiting to be verified
Any alternative to getwvkeys.cc ?

PM sent.

[ringy9]

The Reason I asked about the EME log is to find the full LicenseServer url as in Post #8

You find the lic url by typing (one at a time) words like lic wv auth drm in the Filter Url box of the Dev Tools > Network tab.

Type the word in, then Refresh page (F5 on keyboard) , play the video and look for the first POST method entry.

Thanks for that codehound. I do as you first suggested and find the Init Data. It is always in the long form so I put into Base64 to Hex. I find the string in the output and then do the reverse Hex to Base 64. I then in Network Filter "lic" and get a couple of results. Check in The Response/Request tabs and then copy. The license information I receive is in a short form and when put into CDRM with PSSH I always get an error "PSSH ERROR unable to parse init data. Any ideas would be most helpful

[ElCap]

What pssh value are you getting?

[ringy9]

What pssh value are you getting?

El Cap this is my result AAAAAEZwc3NoAAAAAO3vi6l51krOo8gn3NUdIe0AAAAmCAESEN RUkgKLCUL0vdSXPt+maVIiDktBWU8xOTUwNTItQVZDOAA=

[ElCap]

it looks like you arent recreating the pssh properly.

you have an extra 00 (in hex) at the start of the pssh.
so, convert that base64 value back to hex, remove the first byte (00) and convert back to base64 and you should get this:

AAAARnBzc2gAAAAA7e+LqXnWSs6jyCfc1R0h7QAAACYIARIQ1FSSAosJQvS91Jc+36ZpUiIOS0FZTzE5NTA1Mi1BVkM4AA==

[ringy9]

it looks like you arent recreating the pssh properly.

you have an extra 00 (in hex) at the start of the pssh.
so, convert that base64 value back to hex, remove the first byte (00) and convert back to base64 and you should get this:

AAAARnBzc2gAAAAA7e+LqXnWSs6jyCfc1R0h7QAAACYIARIQ1FSSAosJQvS91Jc+36ZpUiIOS0FZTzE5NTA1Mi1BVkM4AA==

Thankyou ElCap for that tip I did get the same after deleting the first byte(00) as you suggested. Tried in CDRM and as originally suspected it doesn't like the licence details "Error 403: {"code":130001,"message":"License denied. There were no valid internal or external entitlements for the user: [__anonymous]"}

This goes back to my first post on how to get the EME logger details as were entered in Post #8 above

[ElCap]

you need to look at the network tab for the license request and see how its doing it.
ie. is the payload data in bytes (looks like garbled data)?
is the response in bytes as well?
are there any authentication headers?

it might not work with cdrm if the license request is georestricted.

[ringy9]

you need to look at the network tab for the license request and see how its doing it.
ie. is the payload data in bytes (looks like garbled data)?
is the response in bytes as well?
are there any authentication headers?

it might not work with cdrm if the license request is georestricted.

Payload Data in bytes (yes) Response in bytes (looks like a code more than garbled data)

Authentication Headers (Yes, but no idea how to use? There's RAW Button next to Response and Request Headers)

Thank you all for your generous help

[ElCap]

copy the authentication header from network tab into the headers box on cdrm
eg.

authorization: tokenblahblah

[ringy9]

copy the authentication header from network tab into the headers box on cdrm
eg.

authorization: tokenblahblah

Authorization: Bearer (code)

In the CDRM headers there is already information accept: "*/*"
content-length: "316"
Connection: keep-alive

Does that need to be overwritten? Also at the end of my Authorization code there is other information ? Connection
keep-alive and others which continue to end of page. Does this information need to be copied as well? or just the code?

[ElCap]

Delete all the existing stuff and try with just the authorization header

[ringy9]

Delete all the existing stuff and try with just the authorization header

I've tried using the word Authorization: Bearer(space) code and get following error code:

Wrong headers: while scanning a simple key in "<unicode string>", line 2, column 1: Bearer eyJraWQiOiI3a0UxeCt4bE5xb ... ^ could not find expected ':' in "<unicode string>", line 3, column 1: ^

CMDR doesn't seem to like anyway I copy it in.

ElCap I thank you for the generous help and will read more on other approaches.

[thej911]

Delete all the existing stuff and try with just the authorization header

I've tried using the word Authorization: Bearer(space) code and get following error code:

Wrong headers: while scanning a simple key in "<unicode string>", line 2, column 1: Bearer eyJraWQiOiI3a0UxeCt4bE5xb ... ^ could not find expected ':' in "<unicode string>", line 3, column 1: ^

sorry to interfere, but if it is not a subscription site , can you please provide a link for it ?