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229 Commits

Author SHA1 Message Date
rlaphoenix e001ef0291 Add flake8 configuration to ignore compiled protobuffers 2022-09-24 12:03:16 +01:00
rlaphoenix 34eeaf746f Update Changelog for v1.4.4 2022-09-24 07:11:18 +01:00
rlaphoenix 272bb419b1 Bump to v1.4.4 2022-09-24 07:09:44 +01:00
rlaphoenix cef7b7a890
Merge pull request #12 from rlaphoenix/dependabot/pip/protobuf-3.19.5 
Bump protobuf from 3.19.3 to 3.19.5
 2022-09-24 07:04:39 +01:00
dependabot[bot] 0caccfd014
Bump protobuf from 3.19.3 to 3.19.5 
Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from 3.19.3 to 3.19.5.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/generate_changelog.py)
- [Commits](https://github.com/protocolbuffers/protobuf/compare/v3.19.3...v3.19.5)

---
updated-dependencies:
- dependency-name: protobuf
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-09-23 22:25:47 +00:00
rlaphoenix 23511f1d85 Update Changelog for v1.4.3 2022-09-10 21:55:20 +01:00
rlaphoenix fe90155a27 Bump to v1.4.3 2022-09-10 21:55:12 +01:00
rlaphoenix cff40142b8 RemoteCdm: Bump minimum server ver. to 1.4.3 2022-09-10 21:53:33 +01:00
rlaphoenix 16fd204743 Serve: Properly enforce privacy mode 2022-09-10 21:53:14 +01:00
rlaphoenix e8226f605c Serve: Use new get_service_certificate() to properly enforce privacy mode 2022-09-10 21:36:21 +01:00
rlaphoenix 768c4e7851 Cdm: Implement get_service_certificate() 2022-09-10 21:36:21 +01:00
rlaphoenix 987eee2b0f Cdm: More clearly represent a DecodeError in set_service_cert 2022-09-10 21:19:27 +01:00
rlaphoenix 8306e092e8 Serve: Add privacy_mode flag for get_license_challenge 2022-09-10 20:43:59 +01:00
rlaphoenix deefb6fbe1 Serve: Don't redefine built-in `open` 2022-09-10 20:39:50 +01:00
rlaphoenix b0453b64ac Remove f-strings without any expressions 2022-09-10 20:38:36 +01:00
rlaphoenix f0df2f4490 PSSH: Merge some collapsible if statements 2022-09-10 20:37:41 +01:00
rlaphoenix 7436c60d00 Replace all lazy log formatting with logging formatting 
DeepSource (PYL-W1203)
 2022-09-10 20:35:39 +01:00
rlaphoenix 7c826624a2 docs: Add a minimal example 2022-09-10 20:15:24 +01:00
rlaphoenix 3ef69deb29 docs: Remove the Protocol from README 
There's no need for it. The image isn't even done particularly well. It's too specific to a browser scenario with some information not properly reflected/explained in the legend.

I have no reason to try make my own or look for an alternative. If someone is particularly interested they can look online for more or less broad explanations as they see fit.
 2022-09-10 19:57:03 +01:00
rlaphoenix b766e5e992 docs: Add troubleshooting steps to README 2022-09-10 19:54:32 +01:00
rlaphoenix 3cca1aebcd docs: Add installation instructions to README 2022-09-10 19:53:59 +01:00
rlaphoenix 31d9bfd072 docs: Add list of features to README 2022-09-10 19:32:28 +01:00
rlaphoenix 1156edfef7 deps: Update lxml to >=4.9.1 
This is to fix some security vulnerabilities. The main dependency locking this to 4.8.0 for so long was pycaption, which was updated to support 4.9.1 in v2.1.0.
 2022-09-07 12:50:03 +01:00
rlaphoenix 24dfd828cb Update Changelog for v1.4.2 2022-09-05 13:03:46 +01:00
rlaphoenix 78986eb245 Bump to v1.4.2 2022-09-05 13:02:41 +01:00
rlaphoenix 362510de68 Device: Re-raise DecodeErrors within some DecodeError handlers 2022-09-05 12:55:06 +01:00
rlaphoenix fa499a6a53 Improve verification of proto parsing across Cdm, RemoteCdm and Device 
This ensures that a partially parsing input (because of optional flags in the proto) does not get past any verification checks.

This prevents issues like an invalid License Challenging from getting an exception later down the line, as well as possibility of it also passing that check by pure luck, resulting in hard to debug issues.
 2022-09-05 12:49:27 +01:00
rlaphoenix 23c766af71 Cdm: Improve accuracy of OEMCrypto request_id research 
The main change is that it isn't stored as 16-bytes. Effectively not stored like it realistically probably meant to be. It's instead stored as a hex string that was then encoded to bytes (32 data is now taken up).

But I've also improved the comments about my research for the first half of the request ID. This research is likely still incomplete as I'm just not fully sure about the randomness of bytes 5-8.
 2022-09-03 19:43:31 +01:00
rlaphoenix 2af929a83d Cdm: Use reversed OEMCrypto request id formula for Android devices 
It's effectively 8 random bytes with a counter thats right-padded (to 8 bytes). This counter is the Session number.
 2022-08-21 22:39:26 +01:00
rlaphoenix 838df7c22b Set a unique number to each Session of each Cdm 2022-08-21 22:37:28 +01:00
rlaphoenix 9191e0258f Update Changelog for v1.4.1 2022-08-17 17:26:57 +01:00
rlaphoenix cabcc1c2c2 Bump to v1.4.1 2022-08-17 17:26:44 +01:00
rlaphoenix 077a3aa6be PSSH: Rework from_playready_pssh class method as normal method 2022-08-06 13:48:39 +01:00
rlaphoenix 0d13d4184b PSSH: Rework get_key_ids as key_ids property 2022-08-06 13:45:30 +01:00
rlaphoenix 1064c7953c PSSH: Rework overwrite_key_ids as set_key_ids method 2022-08-06 13:42:31 +01:00
rlaphoenix fc77f064ca Update Changelog for v1.4.0 2022-08-06 12:42:02 +01:00
rlaphoenix f30ca45550 Bump to v1.4.0 2022-08-06 12:41:46 +01:00
rlaphoenix 576d7212d5 Cdm: Privatize the sessions map even harder 
This is to further discourage direct access to the sessions directly
 2022-08-06 12:36:48 +01:00
rlaphoenix 4f32b4b790 RemoteCdm: Increase minimum supported server to v1.4.0 2022-08-06 12:36:48 +01:00
rlaphoenix 2e2b5d528a RemoteCdm: Improve API error handling 2022-08-06 12:36:48 +01:00
rlaphoenix 2179987986 RemoteCdm: Remove all uses of Session() 
This is now possible because everything relating to an underlying session is now finally fully remote thanks to the changes surrounding the new get_keys() method.

Any client code still getting keys by accessing `_sessions` manually should be updated to use the get_keys() method.
 2022-08-06 12:36:48 +01:00
rlaphoenix 665b77bd24 serve: No longer return keys in /parse_license 
/get_keys should now be used after /parse_license call is made.
 2022-08-06 12:36:48 +01:00
rlaphoenix 3499c0cf4d RemoteCdm: Implement get_keys() 2022-08-06 12:36:48 +01:00
rlaphoenix e4e109b9f3 RemoteCdm: Remove unnecessary parsing of license msg 2022-08-06 09:54:14 +01:00
rlaphoenix 1d606a9e54 Use Cdm.get_keys in license CLI command 2022-08-06 09:54:14 +01:00
rlaphoenix f36977ef19 serve: Improve type hinting on Cdms gotten from app["cdms"] 
For some reason on PyCharm typing doesnt work normally here even though the definition is provided in _startup().
 2022-08-06 09:54:14 +01:00
rlaphoenix dd1a355691 serve: Improve error handling on /parse_license 2022-08-06 09:54:14 +01:00
rlaphoenix 6eceaaf410 serve: Remote TODO that will not be done 
We shouldn't really provide the derived context keys. There isn't any use to them outside of that specific license request and license response for which it was derived from. The only use to them would be to allow the client to decrypt the keys manually, which wont be necessary nor secure.
 2022-08-06 09:54:14 +01:00
rlaphoenix bd62b8d131 serve: Provide key_type to get_keys as-is 
There's no need for serve code to handle parsing of it when the Cdm code will do so better.
 2022-08-06 09:54:14 +01:00
rlaphoenix 11a2358002 serve: Improve error handling on /get_license_challenge 2022-08-06 09:54:14 +01:00