package com.ruoyi.common.utils.civilAviation;
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import java.io.UnsupportedEncodingException;
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import java.net.URLEncoder;
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import java.security.MessageDigest;
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import java.util.*;
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import org.apache.commons.lang3.StringUtils;
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public class ServiceOrderSign {
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private static final int BITS_TO_A_BYTE = 8;
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private static final int BYTES_TO_A_WORD = 4;
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private static final int BITS_TO_A_WORD = 32;
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private static final String APP_SECRET = "JR6o8RQItoa2bzlneOCQ";
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private static final long[] m_lOnBits = new long[31];
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private static final long[] m_l2Power = new long[31];
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static {
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// 初始化位操作数组
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m_lOnBits[0] = 1L;
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m_lOnBits[1] = 3L;
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m_lOnBits[2] = 7L;
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m_lOnBits[3] = 15L;
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m_lOnBits[4] = 31L;
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m_lOnBits[5] = 63L;
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m_lOnBits[6] = 127L;
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m_lOnBits[7] = 255L;
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m_lOnBits[8] = 511L;
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m_lOnBits[9] = 1023L;
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m_lOnBits[10] = 2047L;
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m_lOnBits[11] = 4095L;
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m_lOnBits[12] = 8191L;
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m_lOnBits[13] = 16383L;
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m_lOnBits[14] = 32767L;
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m_lOnBits[15] = 65535L;
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m_lOnBits[16] = 131071L;
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m_lOnBits[17] = 262143L;
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m_lOnBits[18] = 524287L;
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m_lOnBits[19] = 1048575L;
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m_lOnBits[20] = 2097151L;
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m_lOnBits[21] = 4194303L;
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m_lOnBits[22] = 8388607L;
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m_lOnBits[23] = 16777215L;
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m_lOnBits[24] = 33554431L;
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m_lOnBits[25] = 67108863L;
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m_lOnBits[26] = 134217727L;
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m_lOnBits[27] = 268435455L;
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m_lOnBits[28] = 536870911L;
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m_lOnBits[29] = 1073741823L;
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m_lOnBits[30] = 2147483647L;
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m_l2Power[0] = 1L;
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m_l2Power[1] = 2L;
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m_l2Power[2] = 4L;
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m_l2Power[3] = 8L;
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m_l2Power[4] = 16L;
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m_l2Power[5] = 32L;
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m_l2Power[6] = 64L;
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m_l2Power[7] = 128L;
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m_l2Power[8] = 256L;
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m_l2Power[9] = 512L;
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m_l2Power[10] = 1024L;
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m_l2Power[11] = 2048L;
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m_l2Power[12] = 4096L;
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m_l2Power[13] = 8192L;
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m_l2Power[14] = 16384L;
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m_l2Power[15] = 32768L;
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m_l2Power[16] = 65536L;
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m_l2Power[17] = 131072L;
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m_l2Power[18] = 262144L;
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m_l2Power[19] = 524288L;
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m_l2Power[20] = 1048576L;
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m_l2Power[21] = 2097152L;
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m_l2Power[22] = 4194304L;
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m_l2Power[23] = 8388608L;
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m_l2Power[24] = 16777216L;
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m_l2Power[25] = 33554432L;
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m_l2Power[26] = 67108864L;
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m_l2Power[27] = 134217728L;
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m_l2Power[28] = 268435456L;
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m_l2Power[29] = 536870912L;
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m_l2Power[30] = 1073741824L;
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}
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private static long LShift(long lValue, int iShiftBits) {
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if (iShiftBits == 0) {
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return lValue;
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} else if (iShiftBits == 31) {
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return (lValue & 1) != 0 ? 0x80000000L : 0;
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} else if (iShiftBits < 0 || iShiftBits > 31) {
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throw new RuntimeException("Invalid shift bits");
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}
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return ((lValue & m_lOnBits[31 - iShiftBits]) << iShiftBits);
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}
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private static long RShift(long lValue, int iShiftBits) {
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if (iShiftBits == 0) {
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return lValue;
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} else if (iShiftBits == 31) {
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return (lValue & 0x80000000L) != 0 ? 1 : 0;
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} else if (iShiftBits < 0 || iShiftBits > 31) {
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throw new RuntimeException("Invalid shift bits");
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}
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return (lValue >>> iShiftBits) & (0x7FFFFFFFL >>> (iShiftBits - 1));
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}
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private static long RotateLeft(long lValue, int iShiftBits) {
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return (LShift(lValue, iShiftBits) | RShift(lValue, 32 - iShiftBits)) & 0xFFFFFFFFL;
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}
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private static long AddUnsigned(long lX, long lY) {
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long lX8 = lX & 0x80000000L;
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long lY8 = lY & 0x80000000L;
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long lX4 = lX & 0x40000000L;
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long lY4 = lY & 0x40000000L;
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long lResult = (lX & 0x3FFFFFFFL) + (lY & 0x3FFFFFFFL);
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if ((lX4 & lY4) != 0) {
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lResult = lResult ^ 0x80000000L ^ lX8 ^ lY8;
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} else if ((lX4 | lY4) != 0) {
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if ((lResult & 0x40000000L) != 0) {
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lResult = lResult ^ 0xC0000000L ^ lX8 ^ lY8;
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} else {
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lResult = lResult ^ 0x40000000L ^ lX8 ^ lY8;
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}
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} else {
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lResult = lResult ^ lX8 ^ lY8;
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}
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return lResult;
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}
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private static long F(long x, long y, long z) {
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return (x & y) | (~x & z);
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}
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private static long G(long x, long y, long z) {
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return (x & z) | (y & ~z);
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}
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private static long H(long x, long y, long z) {
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return x ^ y ^ z;
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}
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private static long I(long x, long y, long z) {
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return y ^ (x | ~z);
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}
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private static void FF(long[] a, long b, long c, long d, long x, int s, long ac) {
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a[0] = AddUnsigned(a[0], AddUnsigned(AddUnsigned(F(b, c, d), x), ac));
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a[0] = RotateLeft(a[0], s);
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a[0] = AddUnsigned(a[0], b);
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}
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private static void GG(long[] a, long b, long c, long d, long x, int s, long ac) {
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a[0] = AddUnsigned(a[0], AddUnsigned(AddUnsigned(G(b, c, d), x), ac));
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a[0] = RotateLeft(a[0], s);
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a[0] = AddUnsigned(a[0], b);
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}
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private static void HH(long[] a, long b, long c, long d, long x, int s, long ac) {
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a[0] = AddUnsigned(a[0], AddUnsigned(AddUnsigned(H(b, c, d), x), ac));
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a[0] = RotateLeft(a[0], s);
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a[0] = AddUnsigned(a[0], b);
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}
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private static void II(long[] a, long b, long c, long d, long x, int s, long ac) {
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a[0] = AddUnsigned(a[0], AddUnsigned(AddUnsigned(I(b, c, d), x), ac));
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a[0] = RotateLeft(a[0], s);
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a[0] = AddUnsigned(a[0], b);
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}
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private static long[] ConvertToWordArray(byte[] messageBytes) {
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int lMessageLength = messageBytes.length;
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int lNumberOfWords = (((lMessageLength + 8) >> 6) + 1) << 4;
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long[] lWordArray = new long[lNumberOfWords];
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int lBytePosition = 0;
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for (int lWordCount = 0; lBytePosition < lMessageLength; lWordCount++, lBytePosition += 4) {
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lWordArray[lWordCount] = 0;
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for (int lByteCount = 0; lByteCount < Math.min(4, lMessageLength - lBytePosition); lByteCount++) {
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lWordArray[lWordCount] |= ((messageBytes[lBytePosition + lByteCount] & 0xFF) << (lByteCount << 3));
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}
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}
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// 标记结束
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lWordArray[lBytePosition >> 2] |= 0x80 << ((lBytePosition % 4) << 3);
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// 设置消息长度
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lWordArray[lNumberOfWords - 2] = (lMessageLength << 3) & 0xFFFFFFFFL;
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lWordArray[lNumberOfWords - 1] = (lMessageLength >>> 29) & 0xFFFFFFFFL;
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return lWordArray;
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}
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private static String WordToHex(long lValue) {
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StringBuilder wordToHex = new StringBuilder();
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for (int lCount = 0; lCount <= 3; lCount++) {
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long lByte = (lValue >>> (lCount << 3)) & 255;
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String byteHex = Integer.toHexString((int) lByte);
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if (byteHex.length() == 1) {
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wordToHex.append("0");
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}
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wordToHex.append(byteHex);
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}
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return wordToHex.toString();
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}
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public static String MD5(String message, String charset) {
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try {
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byte[] messageBytes;
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if ("utf-8".equalsIgnoreCase(charset)) {
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messageBytes = message.getBytes("UTF-8");
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} else {
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messageBytes = message.getBytes();
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}
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long[] x = ConvertToWordArray(messageBytes);
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// 初始化变量
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long a = 0x67452301L;
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long b = 0xEFCDAB89L;
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long c = 0x98BADCFEL;
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long d = 0x10325476L;
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// 常量定义
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final int S11 = 7;
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final int S12 = 12;
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final int S13 = 17;
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final int S14 = 22;
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final int S21 = 5;
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final int S22 = 9;
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final int S23 = 14;
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final int S24 = 20;
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final int S31 = 4;
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final int S32 = 11;
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final int S33 = 16;
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final int S34 = 23;
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final int S41 = 6;
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final int S42 = 10;
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final int S43 = 15;
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final int S44 = 21;
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// 主循环
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for (int k = 0; k < x.length; k += 16) {
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long AA = a;
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long BB = b;
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long CC = c;
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long DD = d;
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long[] aArray = {a};
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long[] dArray = {d};
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long[] cArray = {c};
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long[] bArray = {b};
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// Round 1
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FF(aArray, b, c, d, x[k + 0], S11, 0xD76AA478L); a = aArray[0];
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FF(dArray, a, b, c, x[k + 1], S12, 0xE8C7B756L); d = dArray[0];
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FF(cArray, d, a, b, x[k + 2], S13, 0x242070DBL); c = cArray[0];
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FF(bArray, c, d, a, x[k + 3], S14, 0xC1BDCEEEL); b = bArray[0];
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// ... 继续实现所有轮次
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a = AddUnsigned(a, AA);
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b = AddUnsigned(b, BB);
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c = AddUnsigned(c, CC);
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d = AddUnsigned(d, DD);
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}
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return (WordToHex(a) + WordToHex(b) + WordToHex(c) + WordToHex(d)).toLowerCase();
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} catch (Exception e) {
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throw new RuntimeException("MD5 calculation error", e);
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}
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}
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/**
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* 生成签名
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* @param params 请求参数集合
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* @return 签名值
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*/
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public static String generateSign(Map<String, String> params) {
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// 1. 移除sign参数
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params.remove("sign");
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params.remove("Sign");
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// 2. 按ASCII码排序（字典序）
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List<String> keys = new ArrayList<>(params.keySet());
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Collections.sort(keys);
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// 3. 拼接字符串 (Key1Value1Key2Value2...)
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StringBuilder stringA = new StringBuilder();
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for (String key : keys) {
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String value = params.get(key);
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if (value != null && !value.isEmpty()) {
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// 将参数名首字母大写
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String capitalizedKey = StringUtils.capitalize(key);
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stringA.append(capitalizedKey).append(value);
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}
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}
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// 4. 拼接APP_SECRET
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String stringSignTemp = stringA.toString() + APP_SECRET;
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// 5. MD5运算并转小写
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try {
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MessageDigest md = MessageDigest.getInstance("MD5");
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byte[] bytes = stringSignTemp.getBytes("UTF-8");
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md.update(bytes);
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byte[] md5Bytes = md.digest();
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StringBuilder hexValue = new StringBuilder();
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for (byte b : md5Bytes) {
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int val = ((int) b) & 0xff;
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if (val < 16) {
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hexValue.append("0");
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}
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hexValue.append(Integer.toHexString(val));
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}
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return hexValue.toString().toLowerCase();
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} catch (Exception e) {
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throw new RuntimeException("MD5加密出错", e);
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}
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}
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/**
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* 验证签名
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* @param params 请求参数集合
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* @param sign 签名值
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* @return 验证结果
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*/
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public static boolean verifySign(Map<String, String> params, String sign) {
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String generatedSign = generateSign(params);
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return generatedSign.equalsIgnoreCase(sign);
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}
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/**
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* 使用示例
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*/
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public static void main(String[] args) {
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// 测试用例
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Map<String, String> params = new HashMap<>();
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params.put("method", "User_Login");
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params.put("LoginType", "0");
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params.put("UserID", "10");
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String sign = generateSign(params);
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System.out.println("生成的签名: " + sign);
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// 应输出: 9a0a8659f005d6984697e2ca0a9cf3b7
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}
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}
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