Merge pull request alibaba#931 from pythons/ios-feature-localstorage

not allow if key is blank string.

Author: boboning

ios/playground/WeexDemo.xcworkspace/contents.xcworkspacedata

@@ -11,7 +11,6 @@
 #import "WXThreadSafeMutableDictionary.h"
 #import <CommonCrypto/CommonCrypto.h>
 #import "WXUtility.h"
-#import "WXUtility+Hash.h"
 
 static NSString * const WXStorageDirectory            = @"wxstorage";
 static NSString * const WXStorageFileName             = @"wxstorage.json";
@@ -46,6 +45,10 @@ - (void)getItem:(NSString *)key callback:(WXModuleCallback)callback
         callback(@{@"result":@"failed",@"data":@"key must a string!"});
         return;
     }
+    if ([WXUtility isBlankString:key]) {
+        callback(@{@"result":@"failed",@"data":@"invalid_param"});
+        return ;
+    }
     NSString *value = [self.memory objectForKey:key];
     if (value == (id)kCFNull) {
         value = [[WXUtility globalCache] objectForKey:key];
@@ -80,6 +83,10 @@ - (void)setItem:(NSString *)key value:(NSString *)value callback:(WXModuleCallba
         callback(@{@"result":@"failed",@"data":@"value must a string!"});
         return;
     }
+    if ([WXUtility isBlankString:key]) {
+        callback(@{@"result":@"failed",@"data":@"invalid_param"});
+        return ;
+    }
     [self setObject:value forKey:key];
     callback(@{@"result":@"success"});
 }

ios/sdk/WeexSDK.xcodeproj/project.xcworkspace/contents.xcworkspacedata

@@ -8,6 +8,7 @@
 
 #import <Foundation/Foundation.h>
 #import <UIKit/UIKit.h>
+#import <CommonCrypto/CommonCrypto.h>
 #import "WXDefine.h"
 #import "WXType.h"
 #import "WXLog.h"
@@ -290,4 +291,9 @@ CGPoint WXPixelPointResize(CGPoint value);
  */
 + (NSString *_Nullable)stringWithContentsOfFile:(NSString *_Nonnull)filePath;
 
+/**
+ *  @abstract Returns md5 string.
+ *
+ */
++ (NSString *)md5:(NSString *)string;
 @end

ios/sdk/WeexSDK/Sources/Module/WXStorageModule.m

@@ -490,4 +490,18 @@ + (NSString *)stringWithContentsOfFile:(NSString *)filePath
     return nil;
 }
 
++ (NSString *)md5:(NSString *)string
+{
+    const char *str = string.UTF8String;
+    unsigned char result[CC_MD5_DIGEST_LENGTH];
+    CC_MD5(str, (CC_LONG)strlen(str), result);
+    
+    return [NSString stringWithFormat:@"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
+            result[0], result[1], result[2], result[3],
+            result[4], result[5], result[6], result[7],
+            result[8], result[9], result[10], result[11],
+            result[12], result[13], result[14], result[15]
+            ];
+}
+
 @end