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julianschiavo/LetMeWatch v1.0.1
Protect your content by using client certificate authentication in Swift
⭐️ 2
🕓 3 years ago
iOS macOS
.package(url: "https://github.com/julianschiavo/LetMeWatch.git", from: "v1.0.1")

👁 LetMeWatch

LetMeWatch is a Swift Package that allows playing and loading AVAssets with a server which requires client certificate authentication. Client certificate authentication (CCA) allows servers to authenticate that the client is legitimate and authorized to access the resources. This allows the server to avoid unwanted requests and costs.

An example of this is Cloudflare's new API Shield feature, which makes it easy to require CCA to access resources on your server, avoiding other clients or browsers from loading the resources, which could result in costs to you.

This package contains code adapted from Jared's great blog post on creating a custom AVAssetResourceLoaderDelegate, available on Github under the MIT License.


Requirements

LetMeWatch requires iOS 14+ or macOS 11+. It depends on LetMeIn, a package by the same author which performs client certificate authentication.


Installation

You can use LetMeWatch as a Swift Package, or add it manually to your project.

Swift Package Manager (SPM)

Swift Package Manager is a way to add dependencies to your app, and is natively integrated with Xcode.

To add LetMeWatch with SPM, click FileSwift PackagesAdd Package Dependency..., then type in the URL to this Github repo. Xcode will then add the package to your project and perform all the necessary work to build it.

https://github.com/julianschiavo/LetMeWatch

Alternatively, add the package to your Package.swift file.

let package = Package(
    // ...
    dependencies: [
        .package(url: "https://github.com/julianschiavo/LetMeWatch.git", from: "1.0.0")
    ],
    // ...
)

See SPM documentation to learn more.

Manually

If you prefer not to use SPM, you can also add LetMeWatch as a normal framework by building the Xcode project from this repository. (See other sources for instructions on doing this.)


Usage

Create an instance of an authenticator, then use it as the delegate when performing URLSession requests.

First, set up the global configuration object for the package.

// Create a certificate file representation
let certificateFile = CertificateFile(fileName: "certificate", password: "12345678")

// Update the global configuration object
LetMeWatchConfiguration.certificateFile = certificateFile

(See the documentation for LetMeIn for more details about supported certificate types and creating CertificateFile objects.)

Then, use SignedAsset instead of AVAsset—and you're done! LetMeWatch will handle loading the asset (byte-by-byte if supported by the server, allowing quicker playback) using client certificate authentication.

// Remote URL to the asset
let url = ...

// Create a signed asset
let asset = SignedAsset(url: url)

// Use the signed asset in place of an `AVAsset`
// For example, with `VideoPlayer` in SwiftUI
let playerItem = AVPlayerItem(asset: asset)
let avPlayer = AVPlayer(playerItem: playerItem)
let player = VideoPlayer(player: avPlayer)

Examples

Handling Loading Errors

You can provide an optional error handler to handle errors thrown when loading the asset info or data.

// Remote URL to the asset
let url = ...

// Create a signed asset
let asset = SignedAsset(url: url) { error in
    // Handle the error
}

Contributing

Contributions and pull requests are welcomed by anyone! If you find an issue with LetMeWatch, file a Github Issue, or, if you know how to fix it, submit a pull request.

Please review our Code of Conduct and Contribution Guidelines before making a contribution.


Credit

LetMeWatch was created by Julian Schiavo, and available under the MIT License. This package contains code adapted from Jared's great blog post on creating a custom AVAssetResourceLoaderDelegate, available on Github under the MIT License.


License

Available under the MIT License. See the License for more info.

GitHub

link
Stars: 2
Last commit: 3 years ago
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Dependencies

Release Notes

v1.0.1
3 years ago

Fixes content info requests not working correctly.

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