103 lines
4.8 KiB
Objective-C
103 lines
4.8 KiB
Objective-C
//
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// HPShareExtensionHelper.m
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// HotPocket
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//
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// Created by Tomek Wójcik on 27/09/2025.
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//
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#import <UniformTypeIdentifiers/UniformTypeIdentifiers.h>
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#import "HPShareExtensionHelper.h"
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#import "HPSharedItem.h"
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#import "HPSharedItemsContainer.h"
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@implementation HPShareExtensionHelper (HPShareExtensionHelperPrivate)
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@end
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@implementation HPShareExtensionHelper
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-(instancetype)initWithContext:(NSExtensionContext *)context {
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if (self = [super init]) {
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self.context = context;
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self.items = [[HPSharedItemsContainer alloc] init];
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}
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return self;
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}
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-(void)processItems:(HPShareExtensionHelperHandleItemsCompletionHandler)completionHandler {
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// Depending on the app, the URL might be stored in `public.url` attachment or elsewhere.
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// For example, the YouTube app passes it in `public.plain-text`. Because of course it does.
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// Furthermore, for some bizarre reason the recommended way of extracting the URL when sharing from a browser
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// is to run a JS snippet and examine its output.
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// This method will iterate through all the shared items and their attachments and attempt to extract
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// the URL candidates.
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//
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// Also note that handler for `public.url` explicitly requests the payload to be corced to `NSURL *`. Leaving it
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// at `NSData *` would cause iOS to, wait for it!, fetch the URL and dump the response body in the payload :D.
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//
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// This is so _so_ *so* dumb. But hey, at least I learned how to to "chords" in CGD ¯\_(ツ)_/¯
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UTType *propertyListType = [UTType typeWithFilenameExtension:@"plist"];
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dispatch_group_t dispatchGroup = dispatch_group_create();
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dispatch_queue_t queue = dispatch_queue_create("HPShareExtensionHelper.processItems.queue", DISPATCH_QUEUE_SERIAL);
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for (NSExtensionItem *inputItem in self.context.inputItems) {
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#ifdef DEBUG
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NSLog(@"-[HPShareExtensionHelper processItems:] inputItem.userInfo=`%@`", inputItem);
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#endif
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[inputItem.attachments enumerateObjectsUsingBlock:^(NSItemProvider *attachment, NSUInteger index, BOOL *stop) {
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dispatch_group_enter(dispatchGroup);
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if ([attachment hasItemConformingToTypeIdentifier:propertyListType.identifier] == YES) {
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[attachment loadItemForTypeIdentifier:propertyListType.identifier
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options:nil
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completionHandler:^(NSDictionary *payload, NSError *error) {
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dispatch_async(queue, ^{
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self.items.primaryItem = [[HPSharedItem alloc] initWithPayload:payload
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typeIdentifier:propertyListType.identifier
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error:error];
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dispatch_group_leave(dispatchGroup);
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});
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}];
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} else if ([attachment hasItemConformingToTypeIdentifier:@"public.url"] == YES) {
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[attachment loadItemForTypeIdentifier:@"public.url"
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options:nil
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completionHandler:^(NSURL *payload, NSError *error) {
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dispatch_async(queue, ^{
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[self.items.candidateItems addObject:[[HPSharedItem alloc] initWithPayload:payload
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typeIdentifier:@"public.url"
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error:error]];
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dispatch_group_leave(dispatchGroup);
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});
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}];
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} else if ([attachment hasItemConformingToTypeIdentifier:@"public.plain-text"] == YES) {
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[attachment loadItemForTypeIdentifier:@"public.plain-text"
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options:nil
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completionHandler:^(NSString *payload, NSError *error) {
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dispatch_async(queue, ^{
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[self.items.candidateItems addObject:[[HPSharedItem alloc] initWithPayload:payload
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typeIdentifier:@"public.plain-text"
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error:error]];
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dispatch_group_leave(dispatchGroup);
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});
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}];
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} else {
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dispatch_group_leave(dispatchGroup);
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}
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}];
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dispatch_group_notify(dispatchGroup, dispatch_get_main_queue(), ^{
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NSURL *result = [self.items resolveURL];
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completionHandler(result);
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});
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}
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}
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@end
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