save progress

GMBase/Classes/GMBaseUtil.h

@@ -9,6 +9,10 @@
 #import <Foundation/Foundation.h>
 #import <Masonry/Masonry.h>
 
+@interface GMJailbreak : NSObject
++ (BOOL)isJailbreak;
+@end
+
 @interface UIFont (GMBase)
 + (UIFont *)navigationFontWithSize:(NSInteger)size;
 @end
@@ -22,7 +26,7 @@
 @property (nonatomic, strong) MASViewAttribute *mas_safeBottom;
 @end
 
-
 @interface MASConstraintMaker (GMAdditions)
 - (void)mas_bottomToSuperView:(UIView *)view withHeight:(CGFloat)height;
 @end
+

GMBase/Classes/GMBaseUtil.m

@@ -28,7 +28,7 @@
 
 @implementation UIView (GMAdditions)
 - (MASViewAttribute *)mas_safeBottom {
-    if (SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(@"11.0")) {
+    if (SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(@"11.0") && [self respondsToSelector:@selector(safeAreaLayoutGuide)]) {
         return [[MASViewAttribute alloc] initWithView:self item:self.safeAreaLayoutGuide layoutAttribute:NSLayoutAttributeBottom];
     } else {
         return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeBottom];
@@ -43,4 +43,39 @@
 }
 @end
 
+@implementation GMJailbreak
++ (BOOL)isJailbreak {
+    //由于iOS9以后出现白名单，造成控制台不断打印警告
+    //所以换成以下方式判断
+    NSArray *paths = @[@"/Applications/Cydia.app",
+                       @"/private/var/lib/apt/",
+                       @"/private/var/lib/cydia",
+                       @"/private/var/stash"];
+    for (NSString *path in paths) {
+        if ([[NSFileManager defaultManager] fileExistsAtPath:path]) return YES;
+    }
+
+    FILE *bash = fopen("/bin/bash", "r");
+    if (bash != NULL) {
+        fclose(bash);
+        return YES;
+    }
+
+    NSString *path = [NSString stringWithFormat:@"/private/%@", [self stringWithUUID]];
+    if ([@"test" writeToFile : path atomically : YES encoding : NSUTF8StringEncoding error : NULL]) {
+        [[NSFileManager defaultManager] removeItemAtPath:path error:nil];
+        return YES;
+    }
+
+    return NO;
+}
+
++ (NSString *)stringWithUUID {
+    CFUUIDRef uuid = CFUUIDCreate(NULL);
+    CFStringRef string = CFUUIDCreateString(NULL, uuid);
+    CFRelease(uuid);
+    return (__bridge_transfer NSString *)string;
+}
+@end
+