appstore bulk download

appstoredl.m

/*
<!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.appstored.jobmanager</key>
    <true/>
    <key>com.apple.accounts.appleaccount.fullaccess</key>
    <true/>
    <key>com.apple.appstored.private</key>
    <true/>
    <key>com.apple.appstored.xpc.updates</key>
    <true/>
    <key>com.apple.authkit.client.internal</key>
    <true/>
    <key>com.apple.itunesstored.private</key>
    <true/>
    <key>com.apple.private.accounts.allaccounts</key>
    <true/>
</dict>
</plist>
*/

#import <Foundation/Foundation.h>
#import <objc/runtime.h>
#import <objc/message.h>
#import <dlfcn.h>

kern_return_t performBatchAppDownload(NSArray<NSString *> *appIds, BOOL redownload, void (^batchCompletion)(NSDictionary *failures)) {
    NSMutableDictionary *failures = [[NSMutableDictionary alloc] init];
    NSMutableArray *items = [[NSMutableArray alloc] init];
    NSMutableDictionary *appIdToIndex = [[NSMutableDictionary alloc] init];
            
    NSString *downloadType = redownload ? @"STDRDL" : @"STDQ";
    
    for (int i = 0; i < (int)appIds.count; i++) {
        NSString *appId = appIds[i];
        NSString *buyParams = [NSString stringWithFormat:@"productType=C&price=0&salableAdamId=%@&pricingParameters=%@", appId, downloadType];
        NSDictionary *lookupDict = @{@"kind": @"iosSoftware", @"offers": @[@{@"buyParams": buyParams}]};
        
        id allocatedItem = ((id (*)(Class, SEL))objc_msgSend)(objc_getClass("SKUIItem"), sel_registerName("alloc"));
        id item = ((id (*)(id, SEL, NSDictionary *))objc_msgSend)(allocatedItem,  sel_registerName("initWithLookupDictionary:"), lookupDict);
        if (item == NULL) {
            failures[appId] = [NSError errorWithDomain:@"com.ea.downloader" code:0 userInfo:@{NSLocalizedDescriptionKey: [NSString stringWithFormat:@"couldnt create SKUIItem for %@", appId]}];
            continue;
        }
        
        [items addObject:item];
        appIdToIndex[appId] = @(items.count - 1);
    }
    
    if (items.count == 0) {
        if (batchCompletion != NULL) {
            batchCompletion(failures);
        }

        return KERN_SUCCESS;
    }
    
    id center = ((id (*)(Class, SEL))objc_msgSend)(objc_getClass("SKUIItemStateCenter"), sel_registerName("defaultCenter"));
    NSArray *purchases = ((NSArray * (*)(id, SEL, NSArray *))objc_msgSend)(center, sel_registerName("_newPurchasesWithItems:"), items);
    
    if (purchases == NULL || purchases.count == 0) {
        for (NSString *appId in appIdToIndex) {
            failures[appId] = [NSError errorWithDomain:@"com.ea.downloader" code:0 userInfo:@{NSLocalizedDescriptionKey: @"couldnt create SSPurchase batch"}];
        }

        if (batchCompletion != NULL) {
            batchCompletion(failures);
        }

        return KERN_SUCCESS;
    }
    
    ((void (*)(id, SEL, NSArray *, BOOL, id, void (^)(NSArray *, int)))objc_msgSend)(center, sel_registerName("_performPurchases:hasBundlePurchase:withClientContext:completionBlock:"), purchases, NO, nil, ^(NSArray *responses, int flags) {
        if (responses.count == 0) {
            for (NSString *appId in appIdToIndex) {
                failures[appId] = [NSError errorWithDomain:@"com.ea.downloader" code:0 userInfo:@{NSLocalizedDescriptionKey: @"received no response"}];
            }
        }
        else {
            for (id response in responses) {
                NSError *responseError = ((NSError * (*)(id, SEL))objc_msgSend)(response, sel_registerName("error"));
                if (responseError) {
                    
                    id purchase = ((id (*)(id, SEL))objc_msgSend)(response, sel_registerName("purchase"));
                    if (purchase) {

                        NSString *buyParams = ((NSString * (*)(id, SEL))objc_msgSend)(purchase,  sel_registerName("buyParameters"));
                        if (buyParams) {

                            NSRange idRange = [buyParams rangeOfString:@"salableAdamId="];
                            if (idRange.location != NSNotFound) {
                                NSUInteger start = idRange.location + idRange.length;
                                NSRange endRange = [buyParams rangeOfString:@"&" options:0 range:NSMakeRange(start, buyParams.length - start)];
                                NSUInteger length = (endRange.location != NSNotFound) ? endRange.location - start : buyParams.length - start;
                                NSString *extractedId = [buyParams substringWithRange:NSMakeRange(start, length)];
                                failures[extractedId] = responseError;
                            }
                        }
                    }
                }
            }
        }
        
        if (batchCompletion) {
            batchCompletion(failures);
        }
    });
    
    return KERN_SUCCESS;
}

int main(int argc, char **argv) {
	dlopen("/System/Library/PrivateFrameworks/StoreKitUI.framework/StoreKitUI", RTLD_NOW);
    if (argc != 2) {
        NSLog(@"usage: %s app_id_list.txt", argv[0]);
        return 1;
    }
    
    NSString *inputFilePath = [NSString stringWithUTF8String:argv[1]];
    if (!inputFilePath) {
        NSLog(@"invalid input path");
        return 1;
    }
    
    NSString *contents = [NSString stringWithContentsOfFile:inputFilePath encoding:NSUTF8StringEncoding error:nil];
    NSArray *lines = [contents componentsSeparatedByString:@"\n"];
    NSMutableArray *appIds = [[NSMutableArray alloc] init];
    
    for (NSString *line in lines) {
        NSString *trimmed = [line stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
        if (trimmed != NULL && trimmed.length > 0) {
            [appIds addObject:trimmed];
        }
    }
    
    dispatch_semaphore_t sem = dispatch_semaphore_create(0);
    performBatchAppDownload(appIds, NO, ^(NSDictionary *failures) {
        if (failures.count == 0) {
            NSLog(@"all apps downloaded");
        }
        else {
            for (NSString *appId in failures) {
                NSLog(@"Failed to download %@: %@", appId, failures[appId]);
            }
        }

        dispatch_semaphore_signal(sem);
    });

    dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER);
    return 0;
}