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https://github.com/permissionlesstech/bitchat.git
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Add iOS share extension with rich link previews
- Implement share extension to receive URLs from other apps - Display shared links with emoji indicator and rich preview cards - Add custom compact link preview with image, title, and domain - Configure app groups for data sharing between extension and main app - Handle URL detection and parsing in share extension - Update message formatting to show only emoji for shared links - Add proper entitlements and activation rules for share extension
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jack
@@ -35,65 +35,110 @@ class ShareViewController: SLComposeServiceViewController {
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}
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override func didSelectPost() {
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// If we have content text from the compose view, handle it directly
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if let text = contentText, !text.isEmpty {
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handleSharedText(text)
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// Complete the share action after saving
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DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
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self.extensionContext?.completeRequest(returningItems: nil, completionHandler: nil)
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}
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return
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}
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// Otherwise, process attachments
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guard let extensionItem = extensionContext?.inputItems.first as? NSExtensionItem else {
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self.extensionContext?.completeRequest(returningItems: nil, completionHandler: nil)
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return
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}
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var hasProcessedContent = false
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print("ShareExtension: Processing share with \(extensionItem.attachments?.count ?? 0) attachments")
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// Get the page title from the compose view or extension item
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let pageTitle = self.contentText ?? extensionItem.attributedContentText?.string ?? extensionItem.attributedTitle?.string
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print("ShareExtension: Page title: \(pageTitle ?? "none")")
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var foundURL: URL? = nil
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let group = DispatchGroup()
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// Process different types of shared content
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for itemProvider in extensionItem.attachments ?? [] {
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if itemProvider.hasItemConformingToTypeIdentifier(UTType.plainText.identifier) {
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group.enter()
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itemProvider.loadItem(forTypeIdentifier: UTType.plainText.identifier, options: nil) { [weak self] (item, error) in
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if let text = item as? String {
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self?.handleSharedText(text)
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hasProcessedContent = true
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}
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group.leave()
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}
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} else if itemProvider.hasItemConformingToTypeIdentifier(UTType.url.identifier) {
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group.enter()
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itemProvider.loadItem(forTypeIdentifier: UTType.url.identifier, options: nil) { [weak self] (item, error) in
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if let url = item as? URL {
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self?.handleSharedURL(url)
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hasProcessedContent = true
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}
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group.leave()
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}
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} else if itemProvider.hasItemConformingToTypeIdentifier(UTType.image.identifier) {
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group.enter()
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itemProvider.loadItem(forTypeIdentifier: UTType.image.identifier, options: nil) { [weak self] (item, error) in
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if let image = item as? UIImage {
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self?.handleSharedImage(image)
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hasProcessedContent = true
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} else if let data = item as? Data {
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if let image = UIImage(data: data) {
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self?.handleSharedImage(image)
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hasProcessedContent = true
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}
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}
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group.leave()
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}
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// IMPORTANT: Check if the NSExtensionItem itself has a URL
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// Safari often provides the URL as an attributedString with a link
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if let attributedText = extensionItem.attributedContentText {
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print("ShareExtension: Checking attributed text for URLs")
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let text = attributedText.string
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let detector = try? NSDataDetector(types: NSTextCheckingResult.CheckingType.link.rawValue)
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let matches = detector?.matches(in: text, options: [], range: NSRange(location: 0, length: text.utf16.count))
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if let firstMatch = matches?.first, let url = firstMatch.url {
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print("ShareExtension: Found URL in attributed text: \(url.absoluteString)")
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foundURL = url
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}
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}
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// Complete after all items are processed
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group.notify(queue: .main) {
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self.extensionContext?.completeRequest(returningItems: nil, completionHandler: nil)
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// Only check attachments if we haven't found a URL yet
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if foundURL == nil {
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for (index, itemProvider) in (extensionItem.attachments ?? []).enumerated() {
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print("ShareExtension: Attachment \(index) types: \(itemProvider.registeredTypeIdentifiers)")
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// Try multiple URL type identifiers that Safari might use
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let urlTypes = [
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UTType.url.identifier,
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"public.url",
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"public.file-url"
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]
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for urlType in urlTypes {
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if itemProvider.hasItemConformingToTypeIdentifier(urlType) {
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group.enter()
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itemProvider.loadItem(forTypeIdentifier: urlType, options: nil) { (item, error) in
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defer { group.leave() }
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if let url = item as? URL {
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print("ShareExtension: Found URL: \(url.absoluteString)")
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foundURL = url
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} else if let data = item as? Data,
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let urlString = String(data: data, encoding: .utf8),
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let url = URL(string: urlString) {
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print("ShareExtension: Found URL from data: \(url.absoluteString)")
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foundURL = url
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} else if let string = item as? String,
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let url = URL(string: string) {
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print("ShareExtension: Found URL from string: \(url.absoluteString)")
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foundURL = url
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}
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}
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break // Found a URL type, no need to check other types
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}
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}
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// Also check for plain text that might be a URL
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if foundURL == nil && itemProvider.hasItemConformingToTypeIdentifier(UTType.plainText.identifier) {
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group.enter()
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itemProvider.loadItem(forTypeIdentifier: UTType.plainText.identifier, options: nil) { (item, error) in
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defer { group.leave() }
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if let text = item as? String {
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// Check if the text is actually a URL
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if let url = URL(string: text),
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(url.scheme == "http" || url.scheme == "https") {
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print("ShareExtension: Found URL in plain text: \(url.absoluteString)")
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foundURL = url
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}
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}
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}
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}
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}
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} // End of if foundURL == nil
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// Process after all checks complete
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group.notify(queue: .main) { [weak self] in
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if let url = foundURL {
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// We have a URL! Create the JSON data
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let urlData: [String: String] = [
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"url": url.absoluteString,
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"title": pageTitle ?? url.host ?? "Shared Link"
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]
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print("ShareExtension: Saving URL share - url: \(url.absoluteString), title: \(urlData["title"] ?? "")")
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if let jsonData = try? JSONSerialization.data(withJSONObject: urlData),
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let jsonString = String(data: jsonData, encoding: .utf8) {
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self?.saveToSharedDefaults(content: jsonString, type: "url")
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}
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} else if let title = pageTitle, !title.isEmpty {
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// No URL found, just share the text
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print("ShareExtension: No URL found, sharing as text: \(title)")
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self?.saveToSharedDefaults(content: title, type: "text")
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}
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self?.extensionContext?.completeRequest(returningItems: nil, completionHandler: nil)
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}
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}
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@@ -155,11 +200,19 @@ class ShareViewController: SLComposeServiceViewController {
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userDefaults.synchronize()
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print("ShareExtension: Saved content of type \(type) to shared defaults")
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print("ShareExtension: Content: \(content)")
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// Force open the main app
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self.openMainApp()
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}
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private func openMainApp() {
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// Note: Share extensions cannot directly open the containing app
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// The user will need to tap on the notification or manually open the app
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// to see the shared content
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// Share extensions cannot directly open the containing app
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// The app will check for shared content when it becomes active
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// Show success feedback to user
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DispatchQueue.main.async {
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self.textView.text = "✓ Shared to bitchat"
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self.textView.isEditable = false
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}
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}
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}
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