mirror of
https://cdm-project.com/Download-Tools/udemy-downloader.git
synced 2025-06-03 21:29:22 +02:00
048fbe09bf
+ Add ability to skip downloading lecture videos + You can now specify the Bearer token and course id as an argument to the program (see advanced usage) + Updated Advanced Usage section of readme
124 lines
4.7 KiB
Markdown
124 lines
4.7 KiB
Markdown
# Udemy Downloader with DRM support
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# NOTE
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This program is WIP, the code is provided as-is and i am not held resposible for any legal repercussions resulting from the use of this program.
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# Support
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if you want help using the program, join [my discord server](https://discord.gg/5B3XVb4RRX) or use [github issues](https://github.com/Puyodead1/udemy-downloader/issues)
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# License
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All code is licensed under the MIT license
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# Description
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Simple and hacky program to download a udemy course, has support for DRM videos but requires the user to aquire the decryption key (for legal reasons).
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# Requirements
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1. You would need to download ffmpeg and mp4decrypter from Bento4 SDK and ensure they are in path(typing their name in cmd invokes them).
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# Usage
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_quick and dirty how-to_
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You will need to get a few things before you can use this program:
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- Decryption Key ID
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- Decryption Key
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- Udemy Course ID
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- Udemy Bearer Token
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### Setting up
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- rename `.env.sample` to `.env`
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- rename `keyfile.example.json` to `keyfile.json`
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### Aquire bearer token
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- open dev tools
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- go to network tab
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- in the search field, enter `api-2.0/courses`
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- 
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- click a random request
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- locate the `Request Headers` section
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- copy the the text after `Authorization`, it should look like `Bearer xxxxxxxxxxx`
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- 
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- enter this in the `.env` file after `UDEMY_BEARER=` (you can also pass this as an argument, see advanced usage for more information)
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### Aquire Course ID
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- Follow above before following this
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- locate the request url field
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- 
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- copy the number after `/api-2.0/courses/` as seen highlighed in the above picture
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- enter this in the `.env` file after `UDEMY_COURSE_ID=` (you can also pass this as an argument, see advanced usage for more information)
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### Key ID and Key
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It is up to you to aquire the key and key id.
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- Enter the key and key id in the `keyfile.json`
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- 
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- 
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### Start Downloading
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You can now run `python main.py` to start downloading. The course will download to `out_dir`, chapters are seperated into folders.
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# Advanced Usage
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```
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usage: main.py [-h] [-d] [-b BEARER_TOKEN] [-c COURSE_ID] [-q QUALITY] [-l LANG] [--skip-lectures] [--download-assets] [--download-captions]
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Udemy Downloader
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optional arguments:
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-h, --help show this help message and exit
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-d, --debug Use test_data.json rather than fetch from the udemy api.
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-b BEARER_TOKEN, --bearer BEARER_TOKEN
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The Bearer token to use
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-c COURSE_ID, --course-id COURSE_ID
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The ID of the course to download
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-q QUALITY, --quality QUALITY
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Download specific video quality. (144, 360, 480, 720, 1080)
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-l LANG, --lang LANG The language to download for captions (Default is en)
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--skip-lectures If specified, lectures won't be downloaded.
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--download-assets If specified, lecture assets will be downloaded.
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--download-captions If specified, captions will be downloaded.
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```
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- Passing a Bearer Token and Course ID as an argument
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- `python main.py -b <Bearer Token> -c <Course ID>`
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- Download a specific quality
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- `python main.py -q 720`
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- Download assets along with lectures
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- `python main.py --download-assets`
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- Download assets and specify a quality
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- `python main.py -q 360 --download-assets`
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- Download captions (Defaults to English)
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- `python main.py --download-captions`
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- Download captions with specific language
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- `python main.py --download-captions -l en` - English subtitles
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- `python main.py --download-captions -l es` - Spanish subtitles
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- `python main.py --download-captions -l it` - Italian subtitles
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- `python main.py --download-captions -l pl` - Polish Subtitles
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- `python main.py --download-captions -l all` - Downloads all subtitles
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- etc
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- Skip downloading lecture videos
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- `python main.py --skip-lectures --download-captions` - Downloads only captions
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- `python main.py --skip-lectures --download-assets` - Downloads only assets
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# Getting an error about "Accepting the latest terms of service"?
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- If you are using Udemy business, you must edit `main.py` and change `udemy.com` to `<portal name>.udemy.com`
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# Credits
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- https://github.com/Jayapraveen/Drm-Dash-stream-downloader - for the original code which this is based on
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- https://github.com/alastairmccormack/pywvpssh - For code related to PSSH extraction
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- https://github.com/alastairmccormack/pymp4parse/ - For code related to mp4 box parsing (used by pywvpssh)
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- https://github.com/lbrayner/vtt-to-srt - For code related to converting subtitles from vtt to srt format
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