Share Extension/Intents (#2587)

* add native ios code outside of ios project

* helper script

* going to be a lot of these commits to squash...backing up

* save

* start of an expo plugin

* create info.plist

* copy the view controller

* maybe working

* working

* wait working now

* working plugin

* use current scheme

* update intent path

* use better params

* support text in uri

* build

* use better encoding

* handle images

* cleanup ios plugin

* android

* move bash script to /scripts

* handle cases where loaded data is uiimage rather than uri

* remove unnecessary logic, allow more than 4 images and just take first 4

* android build plugin

* limit images to four on android

* use js for plugins, no need to build

* revert changes to app config

* use correct scheme on android

* android readme

* move ios extension to /modules

* remove unnecessary event

* revert typo

* plugin readme

* scripts readme

* add configurable scheme to .env, default to `bluesky`

* remove debug

* revert .gitignore change

* add comment about updating .env to app.config.js for those modifying scheme

* modify .env

* update android module to use the proper url

* update ios extension

* remove comment

* parse and validate incoming image uris

* fix types

* rm oops

* fix a few typos
This commit is contained in:
Hailey 2024-02-27 15:22:03 -08:00 committed by GitHub
parent ac726497a4
commit d451f82f54
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27 changed files with 860 additions and 12 deletions

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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>NSExtension</key>
<dict>
<key>NSExtensionPrincipalClass</key>
<string>$(PRODUCT_MODULE_NAME).ShareViewController</string>
<key>NSExtensionAttributes</key>
<dict>
<key>NSExtensionActivationRule</key>
<dict>
<key>NSExtensionActivationSupportsText</key>
<true/>
<key>NSExtensionActivationSupportsWebURLWithMaxCount</key>
<integer>1</integer>
<key>NSExtensionActivationSupportsImageWithMaxCount</key>
<integer>10</integer>
</dict>
</dict>
<key>NSExtensionPointIdentifier</key>
<string>com.apple.share-services</string>
</dict>
<key>MainAppScheme</key>
<string>bluesky</string>
<key>CFBundleName</key>
<string>$(PRODUCT_NAME)</string>
<key>CFBundleDisplayName</key>
<string>Extension</string>
<key>CFBundleIdentifier</key>
<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
<key>CFBundleVersion</key>
<string>$(CURRENT_PROJECT_VERSION)</string>
<key>CFBundleExecutable</key>
<string>$(EXECUTABLE_NAME)</string>
<key>CFBundlePackageType</key>
<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
<key>CFBundleShortVersionString</key>
<string>$(MARKETING_VERSION)</string>
</dict>
</plist>

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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>com.apple.security.application-groups</key>
<array>
<string>group.xyz.blueskyweb.app</string>
</array>
</dict>
</plist>

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import UIKit
class ShareViewController: UIViewController {
// This allows other forks to use this extension while also changing their
// scheme.
let appScheme = Bundle.main.object(forInfoDictionaryKey: "MainAppScheme") as? String ?? "bluesky"
//
override func viewDidAppear(_ animated: Bool) {
super.viewDidAppear(animated)
guard let extensionItem = extensionContext?.inputItems.first as? NSExtensionItem,
let attachments = extensionItem.attachments,
let firstAttachment = extensionItem.attachments?.first
else {
self.completeRequest()
return
}
Task {
if firstAttachment.hasItemConformingToTypeIdentifier("public.text") {
await self.handleText(item: firstAttachment)
} else if firstAttachment.hasItemConformingToTypeIdentifier("public.url") {
await self.handleUrl(item: firstAttachment)
} else if firstAttachment.hasItemConformingToTypeIdentifier("public.image") {
await self.handleImages(items: attachments)
} else {
self.completeRequest()
}
}
}
private func handleText(item: NSItemProvider) async -> Void {
do {
if let data = try await item.loadItem(forTypeIdentifier: "public.text") as? String {
if let encoded = data.addingPercentEncoding(withAllowedCharacters: .urlHostAllowed),
let url = URL(string: "\(self.appScheme)://intent/compose?text=\(encoded)")
{
_ = self.openURL(url)
}
}
self.completeRequest()
} catch {
self.completeRequest()
}
}
private func handleUrl(item: NSItemProvider) async -> Void {
do {
if let data = try await item.loadItem(forTypeIdentifier: "public.url") as? URL {
if let encoded = data.absoluteString.addingPercentEncoding(withAllowedCharacters: .urlHostAllowed),
let url = URL(string: "\(self.appScheme)://intent/compose?text=\(encoded)")
{
_ = self.openURL(url)
}
}
self.completeRequest()
} catch {
self.completeRequest()
}
}
private func handleImages(items: [NSItemProvider]) async -> Void {
let firstFourItems: [NSItemProvider]
if items.count < 4 {
firstFourItems = items
} else {
firstFourItems = Array(items[0...3])
}
var valid = true
var imageUris = ""
for (index, item) in firstFourItems.enumerated() {
var imageUriInfo: String? = nil
do {
if let dataUri = try await item.loadItem(forTypeIdentifier: "public.image") as? URL {
// We need to duplicate this image, since we don't have access to the outgoing temp directory
// We also will get the image dimensions here, sinze RN makes it difficult to get those dimensions for local files
let data = try Data(contentsOf: dataUri)
let image = UIImage(data: data)
imageUriInfo = self.saveImageWithInfo(image)
} else if let image = try await item.loadItem(forTypeIdentifier: "public.image") as? UIImage {
imageUriInfo = self.saveImageWithInfo(image)
}
} catch {
valid = false
}
if let imageUriInfo = imageUriInfo {
imageUris.append(imageUriInfo)
if index < items.count - 1 {
imageUris.append(",")
}
} else {
valid = false
}
}
if valid,
let encoded = imageUris.addingPercentEncoding(withAllowedCharacters: .urlHostAllowed),
let url = URL(string: "\(self.appScheme)://intent/compose?imageUris=\(encoded)")
{
_ = self.openURL(url)
}
self.completeRequest()
}
private func saveImageWithInfo(_ image: UIImage?) -> String? {
guard let image = image else {
return nil
}
do {
// Saving this file to the bundle group's directory lets us access it from
// inside of the app. Otherwise, we wouldn't have access even though the
// extension does.
if let dir = FileManager()
.containerURL(
forSecurityApplicationGroupIdentifier: "group.\(Bundle.main.bundleIdentifier?.replacingOccurrences(of: ".Share-with-Bluesky", with: "") ?? "")")
{
let filePath = "\(dir.absoluteString)\(ProcessInfo.processInfo.globallyUniqueString).jpeg"
if let newUri = URL(string: filePath),
let jpegData = image.jpegData(compressionQuality: 1)
{
try jpegData.write(to: newUri)
return "\(newUri.absoluteString)|\(image.size.width)|\(image.size.height)"
}
}
return nil
} catch {
return nil
}
}
private func completeRequest() -> Void {
self.extensionContext?.completeRequest(returningItems: nil)
}
@objc func openURL(_ url: URL) -> Bool {
var responder: UIResponder? = self
while responder != nil {
if let application = responder as? UIApplication {
return application.perform(#selector(openURL(_:)), with: url) != nil
}
responder = responder?.next
}
return false
}
}