applist.m

#import "applist.h"

NSArray * get_application_list(BOOL sort, BOOL updates) {
	NSString *basePath = @"/var/mobile/Applications/";
	NSMutableArray *returnArray = [[NSMutableArray alloc] init];
	NSArray *apps = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:basePath error:NULL];
	
	if ([apps count] == 0) {
		return NULL;
	}
	
	NSEnumerator *e, *e2;
	e = [apps objectEnumerator];
	NSString *applicationDirectory;
	NSString *applicationSubdirectory;
	NSMutableDictionary *cache = [NSMutableDictionary dictionaryWithContentsOfFile:@"/var/cache/clutch.plist"];
	BOOL cflush = FALSE;
	if ((cache == nil) || (![cache count])) {
		cache = [NSMutableDictionary dictionary];
		cflush = TRUE;
	}
    NSMutableDictionary *versions;
	if (updates) {
        if (![[NSFileManager defaultManager] fileExistsAtPath:@"/etc/clutch_cracked.plist"]) {
            versions = [[NSMutableDictionary alloc] init];
        }
        else {
            versions = [[NSMutableDictionary alloc] initWithContentsOfFile:@"/var/cache/clutch_cracked.plist"];
        }
    }
	NSDictionary *applicationDetailObject;
	NSString *bundleDisplayName, *applicationRealname, *bundleVersionString;
    
	while (applicationDirectory = [e nextObject]) {
		//if ([cache objectForKey:applicationDirectory] != nil) {
			//[returnArray addObject:[cache objectForKey:applicationDirectory]];
	//	} else {
			NSArray *sandboxPath = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:[basePath stringByAppendingFormat:@"%@/", applicationDirectory] error:NULL];
			
			e2 = [sandboxPath objectEnumerator];
			while (applicationSubdirectory = [e2 nextObject]) {
				if ([applicationSubdirectory rangeOfString:@".app"].location == NSNotFound)
					continue;
				else {
					bundleDisplayName = [[NSDictionary dictionaryWithContentsOfFile:[basePath stringByAppendingFormat:@"%@/%@/Info.plist", applicationDirectory, applicationSubdirectory]] objectForKey:@"CFBundleDisplayName"];
                    bundleVersionString = [[[NSDictionary dictionaryWithContentsOfFile:[basePath stringByAppendingFormat:@"%@/%@/Info.plist", applicationDirectory, applicationSubdirectory]] objectForKey:@"CFBundleVersion"] stringByReplacingOccurrencesOfString:@"." withString:@""];
                    
					applicationRealname = [applicationSubdirectory stringByReplacingOccurrencesOfString:@".app" withString:@""];
					
					if (bundleDisplayName == nil) {
						bundleDisplayName = applicationRealname;
					}
                
					if ([[NSFileManager defaultManager] fileExistsAtPath:[basePath stringByAppendingFormat:@"%@/%@/SC_Info/", applicationDirectory, applicationSubdirectory]]) {
						applicationDetailObject = [NSDictionary dictionaryWithObjectsAndKeys:
							[basePath stringByAppendingFormat:@"%@/", applicationDirectory], @"ApplicationBaseDirectory",
							[basePath stringByAppendingFormat:@"%@/%@/", applicationDirectory, applicationSubdirectory], @"ApplicationDirectory",
							bundleDisplayName, @"ApplicationDisplayName",
							applicationRealname, @"ApplicationName",
							applicationSubdirectory, @"ApplicationBasename",
							applicationDirectory, @"RealUniqueID",
                            bundleVersionString, @"ApplicationVersion",
							nil];
                        
						if (updates) {
                            if ([versions objectForKey:applicationRealname] != bundleVersionString) {
                                [returnArray addObject:applicationDetailObject];
                            }
                            
                        }
                        else {
                            [returnArray addObject:applicationDetailObject];
                        }
                    
						[cache setValue:bundleDisplayName forKey:applicationDirectory];
						cflush = TRUE;
					}
				}
			}
		}
	//}
	
	if (cflush) {
		[cache writeToFile:@"/var/cache/clutch.plist" atomically:TRUE];
	}

	if ([returnArray count] == 0) {
        [returnArray release];
		return NULL;
    }
	
	if (sort) {
		return (NSArray *)[returnArray sortedArrayUsingFunction:alphabeticalSort context:NULL];
    }
	return (NSArray *) returnArray;
}

NSComparisonResult alphabeticalSort(id one, id two, void *context) {
	return [[(NSDictionary *)one objectForKey:@"ApplicationName"] localizedCaseInsensitiveCompare:[(NSDictionary *)two objectForKey:@"ApplicationName"]];
}