An Elixir library and Plug for handling CORS requests with compliance to the W3C specification.
Corsica is an Elixir library designed to handle Cross-Origin Resource Sharing (CORS) requests in web applications. It provides a Plug and a DSL to manage CORS headers, preflight requests, and origin policies, ensuring secure cross-origin communication. The library solves the problem of implementing CORS correctly by following the W3C specification and simplifying integration into Elixir projects.
Elixir developers building web applications or APIs that need to handle cross-origin requests, such as those using the Phoenix framework or Plug-based endpoints.
Developers choose Corsica for its strict compliance with the CORS specification, dual high-level and low-level APIs, and efficient handling that only adds headers when necessary. It reduces the complexity of CORS implementation while ensuring security and correctness.
Elixir library for dealing with CORS requests. 🏖
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Adheres strictly to the W3C CORS specification, ensuring reliable and correct behavior, as highlighted in the features and common issues sections.
Offers both a high-level Plug for easy setup and a low-level DSL for fine-grained control, demonstrated in the overview with plug and router examples.
Only sends CORS response headers for valid CORS requests, reducing unnecessary overhead, as noted in the features list.
Simplifies CORS setup by automatically managing preflight OPTIONS requests, making it easier to handle cross-origin communication.
CORS policies are defined at compile-time or via static routes in code, making it less suitable for applications that need dynamic origin validation based on real-time data.
Relies on the Plug library, so it cannot be used in Elixir projects that do not adopt the Plug architecture, limiting its applicability outside standard web setups.
While the basic plug is straightforward, the low-level DSL for fine-grained control requires learning Corsica-specific syntax, which adds complexity for developers needing advanced features.