GHSA-pjwm-rvh2-c87w
MediatR
GHSA-pjwm-rvh2-c87w | MediatR | |
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8 | 53 | |
- | 10,641 | |
- | - | |
- | 5.9 | |
- | 5 days ago | |
C# | ||
- | Apache License 2.0 |
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GHSA-pjwm-rvh2-c87w
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Attack Simulator for SolarWinds, Codecov, and ua-parser-js breaches
The SUNSPOT malware, Codecov breach, and lot of compromised open-source packages (like was the case with ua-parser-js) target the CI/ CD pipeline to modify release build or exfiltrate credentials.
- Embedded malware in ua-parser-js - critical severity
- Embedded malware in ua-parser-JS (NPM package)
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PSA: Tor.com was hacked and is currently spreading malware
I think you are misunderstanding the attack vector in the article you linked. This isn't the same thing we were discussing, please see https://github.com/advisories/GHSA-pjwm-rvh2-c87w. This was not a compromise designed to go after the visitors of the website so far as I can tell (and even if it were, it couldn't do much except possibly steal a password if you entered it on a compromised site or steal cookie data). This was designed to target people who were using the library in their software, aka, it was targeting the build-chain of the developers, and many devs and companies as a result had computers compromised when the updated their versions, which caused the compromised version to download to their computers.
- Supply-chain attack on NPM Package UAParser, which has millions of daily downloads
- The npm package ua-parser-js had three versions (0.7.29, 0.8.0, 1.0.0) published with malicious code.
- Embedded crypto miner in ua-parser-JS
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BREAKING!! NPM package ‘ua-parser-js’ with more than 7M weekly download is compromised
Github has published an advisory for the package https://github.com/advisories/GHSA-pjwm-rvh2-c87w
MediatR
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The Monad Invasion - Part 2: Monads in Action!
You probably noticed that .SetName() returns a Either. You may have come across Unit in libraries like MediatR or Language-Ext. It's a simple construct representing a type with only one possible value. We use it as a placeholder for operations that do not return a value but may return another state. In our example, .SetName() is a Command that does not return a value but may fail. Therefore, the monad Either carries two possible states: Right (without value) or Left (with an Error).
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How small is the smallest .NET Hello World binary?
The widely used MediatR library[0] could be used to do that as well, just FYI.
[0]: https://github.com/jbogard/MediatR
- Cannot use disposed service
- Exception handling between controller and service
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CQRS: How to handle duplicate queries inside a CommandHandler
Hope this GH issue shed some light on why injecting handler inside another handler is not good https://github.com/jbogard/MediatR/issues/400
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Is MediatR the only real CQRS solution for .Net?
From: https://github.com/jbogard/MediatR
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Easiest way to build the fastest REST API in C# and .NET 7 using CQRS
I gave it a go and I was impressed how easy and fast it was to set it all up. Since I'm not a big fan of REPR pattern almost all my projects are using CQRS pattern with a help of MediatR ](https://github.com/jbogard/MediatR) I immediately started going over something similar that Fast Endpoints offer which is a command bus.
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MVVM Question: How do you manage the interaction between Model and ViewModel?
I'd use a dedicated event bus based on Reactive Extensions or MediatR to publish domain events from your domain services. This probably doesn't solve all your ViewModel update problems as is, maybe you need to revise the granularity (maybe you can have smaller ViewModels that refresh single property that exposes the Model) and lifespan (sometimes you can create a ViewModel, make it perform it's task and then discard it completely) of your ViewModels.
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Async Methods after setting a property.
If you're finding yourself in a situation where you need to turn this behavior into a pattern because there are a lot of View Models that need to execute async business logic in response to some changes, I'd go with something like MediatR or Reactive Extensions. The idea is, again, that some other, probably business-level, component listens to changes in a decoupled way (that means it doesn't subscribe directly to your View Model, but to an event bus instead). View Model publishes change events to the event bus, and business-component reacts to these events by executing the business logic.
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I don't get why I should use Redux
What people really want is to design the logic of an app independently from the component hierarchy. That means you need to store state somewhere other than the components and you need to dispatch events that are not attached to the component hierarchy. Also, a one way data flow has well known benefits as described by things like CQRS, RabbitMQ, and MediatR.
What are some alternatives?
npm-force-resolutions - Force npm to install a specific transitive dependency version
Mediator.Net - A simple mediator for .Net for sending command, publishing event and request response with pipelines supported
micromatch - Highly optimized wildcard and glob matching library. Faster, drop-in replacement to minimatch and multimatch. Used by square, webpack, babel core, yarn, jest, ract-native, taro, bulma, browser-sync, stylelint, nyc, ava, and many others! Follow micromatch's author: https://github.com/jonschlinkert
RabbitMQ - Open source RabbitMQ: core server and tier 1 (built-in) plugins
is-mobile - Check if mobile browser, based on useragent string.
Polly - Polly is a .NET resilience and transient-fault-handling library that allows developers to express policies such as Retry, Circuit Breaker, Timeout, Bulkhead Isolation, and Fallback in a fluent and thread-safe manner. From version 6.0.1, Polly targets .NET Standard 1.1 and 2.0+.
is-number - JavaScript/Node.js utility. Returns `true` if the value is a number or string number. Useful for checking regex match results, user input, parsed strings, etc.
Brighter - A framework for building messaging apps with .NET and C#.
Dapper - Dapper - a simple object mapper for .Net [Moved to: https://github.com/DapperLib/Dapper]
ApiEndpoints - A project for supporting API Endpoints in ASP.NET Core web applications.
NUnit - NUnit Framework
FluentValidation - A popular .NET validation library for building strongly-typed validation rules.