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authorJay Freeman (saurik) <saurik@saurik.com>2017-02-16 00:07:10 -0800
committerJay Freeman (saurik) <saurik@saurik.com>2017-02-16 00:07:10 -0800
commit68df8c0b7bacec286d4798408b5a110bdac88986 (patch)
treedc33f6ec33efea7da01ff83ec8c7092414dfbed6 /CyteKit/URLCache.mm
parent03ef79ee43de8ebf2ddfeb53c30ad3a12bfce517 (diff)
Put CydiaURLCache/NSURLConnection hook in CyteKit.
Diffstat (limited to 'CyteKit/URLCache.mm')
-rw-r--r--CyteKit/URLCache.mm105
1 files changed, 105 insertions, 0 deletions
diff --git a/CyteKit/URLCache.mm b/CyteKit/URLCache.mm
new file mode 100644
index 0000000..e506130
--- /dev/null
+++ b/CyteKit/URLCache.mm
@@ -0,0 +1,105 @@
+/* Cydia - iPhone UIKit Front-End for Debian APT
+ * Copyright (C) 2008-2015 Jay Freeman (saurik)
+*/
+
+/* GNU General Public License, Version 3 {{{ */
+/*
+ * Cydia is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation, either version 3 of the License,
+ * or (at your option) any later version.
+ *
+ * Cydia is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Cydia. If not, see <http://www.gnu.org/licenses/>.
+**/
+/* }}} */
+
+#include "CyteKit/UCPlatform.h"
+
+#include "CyteKit/URLCache.h"
+#include "Substrate.hpp"
+
+#include <Menes/ObjectHandle.h>
+
+static _H<NSMutableSet> CachedURLs_([NSMutableSet setWithCapacity:32]);
+
+@implementation CyteURLCache {
+}
+
+- (void) logEvent:(NSString *)event forRequest:(NSURLRequest *)request {
+#if !ForRelease
+ if (false);
+ else if ([event isEqualToString:@"no-cache"])
+ event = @"!!!";
+ else if ([event isEqualToString:@"store"])
+ event = @">>>";
+ else if ([event isEqualToString:@"invalid"])
+ event = @"???";
+ else if ([event isEqualToString:@"memory"])
+ event = @"mem";
+ else if ([event isEqualToString:@"disk"])
+ event = @"ssd";
+ else if ([event isEqualToString:@"miss"])
+ event = @"---";
+
+ NSLog(@"%@: %@", event, [[request URL] absoluteString]);
+#endif
+}
+
+- (void) storeCachedResponse:(NSCachedURLResponse *)cached forRequest:(NSURLRequest *)request {
+ if (NSURLResponse *response = [cached response])
+ if (NSString *mime = [response MIMEType])
+ if ([mime isEqualToString:@"text/cache-manifest"]) {
+ NSURL *url([response URL]);
+
+#if !ForRelease
+ NSLog(@"###: %@", [url absoluteString]);
+#endif
+
+ @synchronized (CachedURLs_) {
+ [CachedURLs_ addObject:url];
+ }
+ }
+
+ [super storeCachedResponse:cached forRequest:request];
+}
+
+- (void) createDiskCachePath {
+ [super createDiskCachePath];
+}
+
+@end
+
+MSClassHook(NSURLConnection)
+
+MSHook(id, NSURLConnection$init$, NSURLConnection *self, SEL _cmd, NSURLRequest *request, id delegate, BOOL usesCache, int64_t maxContentLength, BOOL startImmediately, NSDictionary *connectionProperties) {
+ NSMutableURLRequest *copy([[request mutableCopy] autorelease]);
+
+ NSURL *url([copy URL]);
+
+ @synchronized (CachedURLs_) {
+ if (NSString *control = [copy valueForHTTPHeaderField:@"Cache-Control"])
+ if ([control isEqualToString:@"max-age=0"])
+ if ([CachedURLs_ containsObject:url]) {
+#if !ForRelease
+ NSLog(@"~~~: %@", url);
+#endif
+
+ [copy setCachePolicy:NSURLRequestReturnCacheDataDontLoad];
+
+ [copy setValue:nil forHTTPHeaderField:@"Cache-Control"];
+ [copy setValue:nil forHTTPHeaderField:@"If-Modified-Since"];
+ [copy setValue:nil forHTTPHeaderField:@"If-None-Match"];
+ }
+ }
+
+ if ((self = _NSURLConnection$init$(self, _cmd, copy, delegate, usesCache, maxContentLength, startImmediately, connectionProperties)) != nil) {
+ } return self;
+}
+
+CYHook(NSURLConnection, init$, _initWithRequest:delegate:usesCache:maxContentLength:startImmediately:connectionProperties:)