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Markdown
78 lines
3.2 KiB
Markdown
<!--- WARNING --->
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<!--- THIS IS AN AUTO-GENERATED FILE --->
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<!--- MANUAL CHANGES CAN AND WILL BE OVERWRITTEN --->
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# Secret Loader System.
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System for loading secrets from a variety of sources.
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Usage:
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```python
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import secret_loader
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secrets = secret_loader.SecretLoader(env_key_prefix = 'MYAPP')
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db_username = secrets.load_or_fail('DATABASE_USERNAME')
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db_password = secrets.load_or_fail('DATABASE_PASSWORD')
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```
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Secret loading order:
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0. Hardcoded values. **This is purely for debugging, prototyping, and for
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configuring below options.**
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1. Files pointed to by environment variables. Docker friendly.
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2. Secrets folder. Also Docker friendly.
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3. [Pass: the standard unix password
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manager](https://www.passwordstore.org/). Most suited for personal
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usage; very unsuited for server environments. Requires `pass` installed
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locally, and configuration of the `PASS_STORE_SUBFOLDER` through one of the above
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methods.
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4. Vault instance if configured. Suited for production environments. **NOTE:
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This is barely supported.** Requires `hvac` python package.
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## Future extensions
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- [ ] Key casing should be more consistent
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* Case-insensitive for hardcoded and `load`.
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* Upper case for environment variables.
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* Lower case for files and others.
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- [ ] New special configuration value for switching the `secrets` directory.
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- [ ] Wrap secrets in intelligent strings:
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* [ ] Instead of returning `None` on unloaded, return `UnknownSecret`, that produce error when formatted.
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* [ ] `repr(secret)` should not include contents, but only the secret and how it was loaded.
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* [ ] Methods on `Secret` should be kept minimal.
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- [ ] Avoid leakage to swap files.
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* Possibly Mlock? [Does not seem to work](https://stackoverflow.com/questions/29524020/prevent-ram-from-paging-to-swap-area-mlock)
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* Alternatively use [mmap](https://docs.python.org/3/library/mmap.html) and [memoryview](https://stackoverflow.com/questions/18655648/what-exactly-is-the-point-of-memoryview-in-python)?§
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- [ ] Vault:
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* [ ] Ensure vault code path works.
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* [ ] Document usage and requirements.
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# License
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```
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MIT License
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Copyright (c) 2024 Jon Michael Aanes
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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```
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