From 15c4428b9c95bcb15d7efa29b061350d28e151b8 Mon Sep 17 00:00:00 2001
From: 疯狂的狮子li <15040126243@163.com>
Date: 星期二, 24 十一月 2020 11:54:38 +0800
Subject: [PATCH] 修改 ruoyi CharsetKit.java bug

---
 ruoyi-common/src/main/java/com/ruoyi/common/utils/sign/Base64.java |  582 +++++++++++++++++++++++++++++-----------------------------
 1 files changed, 291 insertions(+), 291 deletions(-)

diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/sign/Base64.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/sign/Base64.java
index f2c1bfe..ca1cd92 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/sign/Base64.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/sign/Base64.java
@@ -1,291 +1,291 @@
-package com.ruoyi.common.utils.sign;
-
-/**
- * Base64宸ュ叿绫�
- * 
- * @author ruoyi
- */
-public final class Base64
-{
-    static private final int     BASELENGTH           = 128;
-    static private final int     LOOKUPLENGTH         = 64;
-    static private final int     TWENTYFOURBITGROUP   = 24;
-    static private final int     EIGHTBIT             = 8;
-    static private final int     SIXTEENBIT           = 16;
-    static private final int     FOURBYTE             = 4;
-    static private final int     SIGN                 = -128;
-    static private final char    PAD                  = '=';
-    static final private byte[]  base64Alphabet       = new byte[BASELENGTH];
-    static final private char[]  lookUpBase64Alphabet = new char[LOOKUPLENGTH];
-
-    static
-    {
-        for (int i = 0; i < BASELENGTH; ++i)
-        {
-            base64Alphabet[i] = -1;
-        }
-        for (int i = 'Z'; i >= 'A'; i--)
-        {
-            base64Alphabet[i] = (byte) (i - 'A');
-        }
-        for (int i = 'z'; i >= 'a'; i--)
-        {
-            base64Alphabet[i] = (byte) (i - 'a' + 26);
-        }
-
-        for (int i = '9'; i >= '0'; i--)
-        {
-            base64Alphabet[i] = (byte) (i - '0' + 52);
-        }
-
-        base64Alphabet['+'] = 62;
-        base64Alphabet['/'] = 63;
-
-        for (int i = 0; i <= 25; i++)
-        {
-            lookUpBase64Alphabet[i] = (char) ('A' + i);
-        }
-
-        for (int i = 26, j = 0; i <= 51; i++, j++)
-        {
-            lookUpBase64Alphabet[i] = (char) ('a' + j);
-        }
-
-        for (int i = 52, j = 0; i <= 61; i++, j++)
-        {
-            lookUpBase64Alphabet[i] = (char) ('0' + j);
-        }
-        lookUpBase64Alphabet[62] = (char) '+';
-        lookUpBase64Alphabet[63] = (char) '/';
-    }
-
-    private static boolean isWhiteSpace(char octect)
-    {
-        return (octect == 0x20 || octect == 0xd || octect == 0xa || octect == 0x9);
-    }
-
-    private static boolean isPad(char octect)
-    {
-        return (octect == PAD);
-    }
-
-    private static boolean isData(char octect)
-    {
-        return (octect < BASELENGTH && base64Alphabet[octect] != -1);
-    }
-
-    /**
-     * Encodes hex octects into Base64
-     *
-     * @param binaryData Array containing binaryData
-     * @return Encoded Base64 array
-     */
-    public static String encode(byte[] binaryData)
-    {
-        if (binaryData == null)
-        {
-            return null;
-        }
-
-        int lengthDataBits = binaryData.length * EIGHTBIT;
-        if (lengthDataBits == 0)
-        {
-            return "";
-        }
-
-        int fewerThan24bits = lengthDataBits % TWENTYFOURBITGROUP;
-        int numberTriplets = lengthDataBits / TWENTYFOURBITGROUP;
-        int numberQuartet = fewerThan24bits != 0 ? numberTriplets + 1 : numberTriplets;
-        char encodedData[] = null;
-
-        encodedData = new char[numberQuartet * 4];
-
-        byte k = 0, l = 0, b1 = 0, b2 = 0, b3 = 0;
-
-        int encodedIndex = 0;
-        int dataIndex = 0;
-
-        for (int i = 0; i < numberTriplets; i++)
-        {
-            b1 = binaryData[dataIndex++];
-            b2 = binaryData[dataIndex++];
-            b3 = binaryData[dataIndex++];
-
-            l = (byte) (b2 & 0x0f);
-            k = (byte) (b1 & 0x03);
-
-            byte val1 = ((b1 & SIGN) == 0) ? (byte) (b1 >> 2) : (byte) ((b1) >> 2 ^ 0xc0);
-            byte val2 = ((b2 & SIGN) == 0) ? (byte) (b2 >> 4) : (byte) ((b2) >> 4 ^ 0xf0);
-            byte val3 = ((b3 & SIGN) == 0) ? (byte) (b3 >> 6) : (byte) ((b3) >> 6 ^ 0xfc);
-
-            encodedData[encodedIndex++] = lookUpBase64Alphabet[val1];
-            encodedData[encodedIndex++] = lookUpBase64Alphabet[val2 | (k << 4)];
-            encodedData[encodedIndex++] = lookUpBase64Alphabet[(l << 2) | val3];
-            encodedData[encodedIndex++] = lookUpBase64Alphabet[b3 & 0x3f];
-        }
-
-        // form integral number of 6-bit groups
-        if (fewerThan24bits == EIGHTBIT)
-        {
-            b1 = binaryData[dataIndex];
-            k = (byte) (b1 & 0x03);
-            byte val1 = ((b1 & SIGN) == 0) ? (byte) (b1 >> 2) : (byte) ((b1) >> 2 ^ 0xc0);
-            encodedData[encodedIndex++] = lookUpBase64Alphabet[val1];
-            encodedData[encodedIndex++] = lookUpBase64Alphabet[k << 4];
-            encodedData[encodedIndex++] = PAD;
-            encodedData[encodedIndex++] = PAD;
-        }
-        else if (fewerThan24bits == SIXTEENBIT)
-        {
-            b1 = binaryData[dataIndex];
-            b2 = binaryData[dataIndex + 1];
-            l = (byte) (b2 & 0x0f);
-            k = (byte) (b1 & 0x03);
-
-            byte val1 = ((b1 & SIGN) == 0) ? (byte) (b1 >> 2) : (byte) ((b1) >> 2 ^ 0xc0);
-            byte val2 = ((b2 & SIGN) == 0) ? (byte) (b2 >> 4) : (byte) ((b2) >> 4 ^ 0xf0);
-
-            encodedData[encodedIndex++] = lookUpBase64Alphabet[val1];
-            encodedData[encodedIndex++] = lookUpBase64Alphabet[val2 | (k << 4)];
-            encodedData[encodedIndex++] = lookUpBase64Alphabet[l << 2];
-            encodedData[encodedIndex++] = PAD;
-        }
-        return new String(encodedData);
-    }
-
-    /**
-     * Decodes Base64 data into octects
-     *
-     * @param encoded string containing Base64 data
-     * @return Array containind decoded data.
-     */
-    public static byte[] decode(String encoded)
-    {
-        if (encoded == null)
-        {
-            return null;
-        }
-
-        char[] base64Data = encoded.toCharArray();
-        // remove white spaces
-        int len = removeWhiteSpace(base64Data);
-
-        if (len % FOURBYTE != 0)
-        {
-            return null;// should be divisible by four
-        }
-
-        int numberQuadruple = (len / FOURBYTE);
-
-        if (numberQuadruple == 0)
-        {
-            return new byte[0];
-        }
-
-        byte decodedData[] = null;
-        byte b1 = 0, b2 = 0, b3 = 0, b4 = 0;
-        char d1 = 0, d2 = 0, d3 = 0, d4 = 0;
-
-        int i = 0;
-        int encodedIndex = 0;
-        int dataIndex = 0;
-        decodedData = new byte[(numberQuadruple) * 3];
-
-        for (; i < numberQuadruple - 1; i++)
-        {
-
-            if (!isData((d1 = base64Data[dataIndex++])) || !isData((d2 = base64Data[dataIndex++]))
-                    || !isData((d3 = base64Data[dataIndex++])) || !isData((d4 = base64Data[dataIndex++])))
-            {
-                return null;
-            } // if found "no data" just return null
-
-            b1 = base64Alphabet[d1];
-            b2 = base64Alphabet[d2];
-            b3 = base64Alphabet[d3];
-            b4 = base64Alphabet[d4];
-
-            decodedData[encodedIndex++] = (byte) (b1 << 2 | b2 >> 4);
-            decodedData[encodedIndex++] = (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf));
-            decodedData[encodedIndex++] = (byte) (b3 << 6 | b4);
-        }
-
-        if (!isData((d1 = base64Data[dataIndex++])) || !isData((d2 = base64Data[dataIndex++])))
-        {
-            return null;// if found "no data" just return null
-        }
-
-        b1 = base64Alphabet[d1];
-        b2 = base64Alphabet[d2];
-
-        d3 = base64Data[dataIndex++];
-        d4 = base64Data[dataIndex++];
-        if (!isData((d3)) || !isData((d4)))
-        {// Check if they are PAD characters
-            if (isPad(d3) && isPad(d4))
-            {
-                if ((b2 & 0xf) != 0)// last 4 bits should be zero
-                {
-                    return null;
-                }
-                byte[] tmp = new byte[i * 3 + 1];
-                System.arraycopy(decodedData, 0, tmp, 0, i * 3);
-                tmp[encodedIndex] = (byte) (b1 << 2 | b2 >> 4);
-                return tmp;
-            }
-            else if (!isPad(d3) && isPad(d4))
-            {
-                b3 = base64Alphabet[d3];
-                if ((b3 & 0x3) != 0)// last 2 bits should be zero
-                {
-                    return null;
-                }
-                byte[] tmp = new byte[i * 3 + 2];
-                System.arraycopy(decodedData, 0, tmp, 0, i * 3);
-                tmp[encodedIndex++] = (byte) (b1 << 2 | b2 >> 4);
-                tmp[encodedIndex] = (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf));
-                return tmp;
-            }
-            else
-            {
-                return null;
-            }
-        }
-        else
-        { // No PAD e.g 3cQl
-            b3 = base64Alphabet[d3];
-            b4 = base64Alphabet[d4];
-            decodedData[encodedIndex++] = (byte) (b1 << 2 | b2 >> 4);
-            decodedData[encodedIndex++] = (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf));
-            decodedData[encodedIndex++] = (byte) (b3 << 6 | b4);
-
-        }
-        return decodedData;
-    }
-
-    /**
-     * remove WhiteSpace from MIME containing encoded Base64 data.
-     *
-     * @param data the byte array of base64 data (with WS)
-     * @return the new length
-     */
-    private static int removeWhiteSpace(char[] data)
-    {
-        if (data == null)
-        {
-            return 0;
-        }
-
-        // count characters that's not whitespace
-        int newSize = 0;
-        int len = data.length;
-        for (int i = 0; i < len; i++)
-        {
-            if (!isWhiteSpace(data[i]))
-            {
-                data[newSize++] = data[i];
-            }
-        }
-        return newSize;
-    }
-}
+package com.ruoyi.common.utils.sign;
+
+/**
+ * Base64宸ュ叿绫�
+ * 
+ * @author ruoyi
+ */
+public final class Base64
+{
+    static private final int     BASELENGTH           = 128;
+    static private final int     LOOKUPLENGTH         = 64;
+    static private final int     TWENTYFOURBITGROUP   = 24;
+    static private final int     EIGHTBIT             = 8;
+    static private final int     SIXTEENBIT           = 16;
+    static private final int     FOURBYTE             = 4;
+    static private final int     SIGN                 = -128;
+    static private final char    PAD                  = '=';
+    static final private byte[]  base64Alphabet       = new byte[BASELENGTH];
+    static final private char[]  lookUpBase64Alphabet = new char[LOOKUPLENGTH];
+
+    static
+    {
+        for (int i = 0; i < BASELENGTH; ++i)
+        {
+            base64Alphabet[i] = -1;
+        }
+        for (int i = 'Z'; i >= 'A'; i--)
+        {
+            base64Alphabet[i] = (byte) (i - 'A');
+        }
+        for (int i = 'z'; i >= 'a'; i--)
+        {
+            base64Alphabet[i] = (byte) (i - 'a' + 26);
+        }
+
+        for (int i = '9'; i >= '0'; i--)
+        {
+            base64Alphabet[i] = (byte) (i - '0' + 52);
+        }
+
+        base64Alphabet['+'] = 62;
+        base64Alphabet['/'] = 63;
+
+        for (int i = 0; i <= 25; i++)
+        {
+            lookUpBase64Alphabet[i] = (char) ('A' + i);
+        }
+
+        for (int i = 26, j = 0; i <= 51; i++, j++)
+        {
+            lookUpBase64Alphabet[i] = (char) ('a' + j);
+        }
+
+        for (int i = 52, j = 0; i <= 61; i++, j++)
+        {
+            lookUpBase64Alphabet[i] = (char) ('0' + j);
+        }
+        lookUpBase64Alphabet[62] = (char) '+';
+        lookUpBase64Alphabet[63] = (char) '/';
+    }
+
+    private static boolean isWhiteSpace(char octect)
+    {
+        return (octect == 0x20 || octect == 0xd || octect == 0xa || octect == 0x9);
+    }
+
+    private static boolean isPad(char octect)
+    {
+        return (octect == PAD);
+    }
+
+    private static boolean isData(char octect)
+    {
+        return (octect < BASELENGTH && base64Alphabet[octect] != -1);
+    }
+
+    /**
+     * Encodes hex octects into Base64
+     *
+     * @param binaryData Array containing binaryData
+     * @return Encoded Base64 array
+     */
+    public static String encode(byte[] binaryData)
+    {
+        if (binaryData == null)
+        {
+            return null;
+        }
+
+        int lengthDataBits = binaryData.length * EIGHTBIT;
+        if (lengthDataBits == 0)
+        {
+            return "";
+        }
+
+        int fewerThan24bits = lengthDataBits % TWENTYFOURBITGROUP;
+        int numberTriplets = lengthDataBits / TWENTYFOURBITGROUP;
+        int numberQuartet = fewerThan24bits != 0 ? numberTriplets + 1 : numberTriplets;
+        char encodedData[] = null;
+
+        encodedData = new char[numberQuartet * 4];
+
+        byte k = 0, l = 0, b1 = 0, b2 = 0, b3 = 0;
+
+        int encodedIndex = 0;
+        int dataIndex = 0;
+
+        for (int i = 0; i < numberTriplets; i++)
+        {
+            b1 = binaryData[dataIndex++];
+            b2 = binaryData[dataIndex++];
+            b3 = binaryData[dataIndex++];
+
+            l = (byte) (b2 & 0x0f);
+            k = (byte) (b1 & 0x03);
+
+            byte val1 = ((b1 & SIGN) == 0) ? (byte) (b1 >> 2) : (byte) ((b1) >> 2 ^ 0xc0);
+            byte val2 = ((b2 & SIGN) == 0) ? (byte) (b2 >> 4) : (byte) ((b2) >> 4 ^ 0xf0);
+            byte val3 = ((b3 & SIGN) == 0) ? (byte) (b3 >> 6) : (byte) ((b3) >> 6 ^ 0xfc);
+
+            encodedData[encodedIndex++] = lookUpBase64Alphabet[val1];
+            encodedData[encodedIndex++] = lookUpBase64Alphabet[val2 | (k << 4)];
+            encodedData[encodedIndex++] = lookUpBase64Alphabet[(l << 2) | val3];
+            encodedData[encodedIndex++] = lookUpBase64Alphabet[b3 & 0x3f];
+        }
+
+        // form integral number of 6-bit groups
+        if (fewerThan24bits == EIGHTBIT)
+        {
+            b1 = binaryData[dataIndex];
+            k = (byte) (b1 & 0x03);
+            byte val1 = ((b1 & SIGN) == 0) ? (byte) (b1 >> 2) : (byte) ((b1) >> 2 ^ 0xc0);
+            encodedData[encodedIndex++] = lookUpBase64Alphabet[val1];
+            encodedData[encodedIndex++] = lookUpBase64Alphabet[k << 4];
+            encodedData[encodedIndex++] = PAD;
+            encodedData[encodedIndex++] = PAD;
+        }
+        else if (fewerThan24bits == SIXTEENBIT)
+        {
+            b1 = binaryData[dataIndex];
+            b2 = binaryData[dataIndex + 1];
+            l = (byte) (b2 & 0x0f);
+            k = (byte) (b1 & 0x03);
+
+            byte val1 = ((b1 & SIGN) == 0) ? (byte) (b1 >> 2) : (byte) ((b1) >> 2 ^ 0xc0);
+            byte val2 = ((b2 & SIGN) == 0) ? (byte) (b2 >> 4) : (byte) ((b2) >> 4 ^ 0xf0);
+
+            encodedData[encodedIndex++] = lookUpBase64Alphabet[val1];
+            encodedData[encodedIndex++] = lookUpBase64Alphabet[val2 | (k << 4)];
+            encodedData[encodedIndex++] = lookUpBase64Alphabet[l << 2];
+            encodedData[encodedIndex++] = PAD;
+        }
+        return new String(encodedData);
+    }
+
+    /**
+     * Decodes Base64 data into octects
+     *
+     * @param encoded string containing Base64 data
+     * @return Array containind decoded data.
+     */
+    public static byte[] decode(String encoded)
+    {
+        if (encoded == null)
+        {
+            return null;
+        }
+
+        char[] base64Data = encoded.toCharArray();
+        // remove white spaces
+        int len = removeWhiteSpace(base64Data);
+
+        if (len % FOURBYTE != 0)
+        {
+            return null;// should be divisible by four
+        }
+
+        int numberQuadruple = (len / FOURBYTE);
+
+        if (numberQuadruple == 0)
+        {
+            return new byte[0];
+        }
+
+        byte decodedData[] = null;
+        byte b1 = 0, b2 = 0, b3 = 0, b4 = 0;
+        char d1 = 0, d2 = 0, d3 = 0, d4 = 0;
+
+        int i = 0;
+        int encodedIndex = 0;
+        int dataIndex = 0;
+        decodedData = new byte[(numberQuadruple) * 3];
+
+        for (; i < numberQuadruple - 1; i++)
+        {
+
+            if (!isData((d1 = base64Data[dataIndex++])) || !isData((d2 = base64Data[dataIndex++]))
+                    || !isData((d3 = base64Data[dataIndex++])) || !isData((d4 = base64Data[dataIndex++])))
+            {
+                return null;
+            } // if found "no data" just return null
+
+            b1 = base64Alphabet[d1];
+            b2 = base64Alphabet[d2];
+            b3 = base64Alphabet[d3];
+            b4 = base64Alphabet[d4];
+
+            decodedData[encodedIndex++] = (byte) (b1 << 2 | b2 >> 4);
+            decodedData[encodedIndex++] = (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf));
+            decodedData[encodedIndex++] = (byte) (b3 << 6 | b4);
+        }
+
+        if (!isData((d1 = base64Data[dataIndex++])) || !isData((d2 = base64Data[dataIndex++])))
+        {
+            return null;// if found "no data" just return null
+        }
+
+        b1 = base64Alphabet[d1];
+        b2 = base64Alphabet[d2];
+
+        d3 = base64Data[dataIndex++];
+        d4 = base64Data[dataIndex++];
+        if (!isData((d3)) || !isData((d4)))
+        {// Check if they are PAD characters
+            if (isPad(d3) && isPad(d4))
+            {
+                if ((b2 & 0xf) != 0)// last 4 bits should be zero
+                {
+                    return null;
+                }
+                byte[] tmp = new byte[i * 3 + 1];
+                System.arraycopy(decodedData, 0, tmp, 0, i * 3);
+                tmp[encodedIndex] = (byte) (b1 << 2 | b2 >> 4);
+                return tmp;
+            }
+            else if (!isPad(d3) && isPad(d4))
+            {
+                b3 = base64Alphabet[d3];
+                if ((b3 & 0x3) != 0)// last 2 bits should be zero
+                {
+                    return null;
+                }
+                byte[] tmp = new byte[i * 3 + 2];
+                System.arraycopy(decodedData, 0, tmp, 0, i * 3);
+                tmp[encodedIndex++] = (byte) (b1 << 2 | b2 >> 4);
+                tmp[encodedIndex] = (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf));
+                return tmp;
+            }
+            else
+            {
+                return null;
+            }
+        }
+        else
+        { // No PAD e.g 3cQl
+            b3 = base64Alphabet[d3];
+            b4 = base64Alphabet[d4];
+            decodedData[encodedIndex++] = (byte) (b1 << 2 | b2 >> 4);
+            decodedData[encodedIndex++] = (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf));
+            decodedData[encodedIndex++] = (byte) (b3 << 6 | b4);
+
+        }
+        return decodedData;
+    }
+
+    /**
+     * remove WhiteSpace from MIME containing encoded Base64 data.
+     *
+     * @param data the byte array of base64 data (with WS)
+     * @return the new length
+     */
+    private static int removeWhiteSpace(char[] data)
+    {
+        if (data == null)
+        {
+            return 0;
+        }
+
+        // count characters that's not whitespace
+        int newSize = 0;
+        int len = data.length;
+        for (int i = 0; i < len; i++)
+        {
+            if (!isWhiteSpace(data[i]))
+            {
+                data[newSize++] = data[i];
+            }
+        }
+        return newSize;
+    }
+}

--
Gitblit v1.9.3