From f273b9e146656dfc7b3573ed1e2c11e3ee63f6fc Mon Sep 17 00:00:00 2001 From: thinkgem Date: Mon, 1 Jan 2018 22:20:21 +0800 Subject: [PATCH] init commit --- .../com/jeesite/common/network/IpUtils.java | 590 +++++++++--------- 1 file changed, 293 insertions(+), 297 deletions(-) diff --git a/common/src/main/java/com/jeesite/common/network/IpUtils.java b/common/src/main/java/com/jeesite/common/network/IpUtils.java index a4afd560..9b608708 100644 --- a/common/src/main/java/com/jeesite/common/network/IpUtils.java +++ b/common/src/main/java/com/jeesite/common/network/IpUtils.java @@ -1,297 +1,293 @@ -package com.jeesite.common.network; - -import javax.servlet.http.HttpServletRequest; - -import com.jeesite.common.lang.ObjectUtils; -import com.jeesite.common.lang.StringUtils; - -public class IpUtils { - - /** - * 获取客户端IP地址 - * @param request - * @return - */ - public static String getRemoteAddr(HttpServletRequest request) { - if (request == null) { - return "unknown"; - } - String ip = request.getHeader("x-forwarded-for"); - if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { - ip = request.getHeader("Proxy-Client-IP"); - } - if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { - ip = request.getHeader("X-Forwarded-For"); - } - if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { - ip = request.getHeader("WL-Proxy-Client-IP"); - } - if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { - ip = request.getHeader("X-Real-IP"); - } - - if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { - ip = request.getRemoteAddr(); - } - return StringUtils.split(ObjectUtils.toString(ip), ",")[0]; - } - - /** - * 是否是本地地址 - * @param ip - * @return - */ - public static boolean isLocalAddr(String ip){ - return StringUtils.inString(ip, "127.0.0.1", "0:0:0:0:0:0:0:1"); - } - - /** - * 判断IP地址为内网IP还是公网IP - * - * tcp/ip协议中，专门保留了三个IP地址区域作为私有地址，其地址范围如下： - * 10.0.0.0/8：10.0.0.0～10.255.255.255 - * 172.16.0.0/12：172.16.0.0～172.31.255.255 - * 192.168.0.0/16：192.168.0.0～192.168.255.255 - * - * @param ip - * @return - */ - public static boolean isInternalAddr(String ip) { - - if (isLocalAddr(ip)){ - return true; - } - - byte[] addr = textToNumericFormatV4(ip); - - final byte b0 = addr[0]; - final byte b1 = addr[1]; - //10.x.x.x/8 - final byte SECTION_1 = 0x0A; - //172.16.x.x/12 - final byte SECTION_2 = (byte) 0xAC; - final byte SECTION_3 = (byte) 0x10; - final byte SECTION_4 = (byte) 0x1F; - //192.168.x.x/16 - final byte SECTION_5 = (byte) 0xC0; - final byte SECTION_6 = (byte) 0xA8; - switch (b0) { - case SECTION_1: - return true; - case SECTION_2: - if (b1 >= SECTION_3 && b1 <= SECTION_4) { - return true; - } - case SECTION_5: - switch (b1) { - case SECTION_6: - return true; - } - default: - return false; - } - } - - public static byte[] textToNumericFormatV4(String paramString) { - if (paramString.length() == 0) { - return null; - } - byte[] arrayOfByte = new byte[4]; - String[] arrayOfString = paramString.split("\\.", -1); - try { - long l; - int i; - switch (arrayOfString.length) { - case 1: - l = Long.parseLong(arrayOfString[0]); - if ((l < 0L) || (l > 4294967295L)) { - return null; - } - arrayOfByte[0] = ((byte) (int) (l >> 24 & 0xFF)); - arrayOfByte[1] = ((byte) (int) ((l & 0xFFFFFF) >> 16 & 0xFF)); - arrayOfByte[2] = ((byte) (int) ((l & 0xFFFF) >> 8 & 0xFF)); - arrayOfByte[3] = ((byte) (int) (l & 0xFF)); - break; - case 2: - l = Integer.parseInt(arrayOfString[0]); - if ((l < 0L) || (l > 255L)) { - return null; - } - arrayOfByte[0] = ((byte) (int) (l & 0xFF)); - l = Integer.parseInt(arrayOfString[1]); - if ((l < 0L) || (l > 16777215L)) { - return null; - } - arrayOfByte[1] = ((byte) (int) (l >> 16 & 0xFF)); - arrayOfByte[2] = ((byte) (int) ((l & 0xFFFF) >> 8 & 0xFF)); - arrayOfByte[3] = ((byte) (int) (l & 0xFF)); - break; - case 3: - for (i = 0; i < 2; i++) { - l = Integer.parseInt(arrayOfString[i]); - if ((l < 0L) || (l > 255L)) { - return null; - } - arrayOfByte[i] = ((byte) (int) (l & 0xFF)); - } - l = Integer.parseInt(arrayOfString[2]); - if ((l < 0L) || (l > 65535L)) { - return null; - } - arrayOfByte[2] = ((byte) (int) (l >> 8 & 0xFF)); - arrayOfByte[3] = ((byte) (int) (l & 0xFF)); - break; - case 4: - for (i = 0; i < 4; i++) { - l = Integer.parseInt(arrayOfString[i]); - if ((l < 0L) || (l > 255L)) { - return null; - } - arrayOfByte[i] = ((byte) (int) (l & 0xFF)); - } - break; - default: - return null; - } - } catch (NumberFormatException localNumberFormatException) { - return null; - } - return arrayOfByte; - } - - public static byte[] textToNumericFormatV6(String paramString) { - if (paramString.length() < 2) { - return null; - } - char[] arrayOfChar = paramString.toCharArray(); - byte[] arrayOfByte1 = new byte[16]; - - int m = arrayOfChar.length; - int n = paramString.indexOf("%"); - if (n == m - 1) { - return null; - } - if (n != -1) { - m = n; - } - int i = -1; - int i1 = 0; - int i2 = 0; - if ((arrayOfChar[i1] == ':') && (arrayOfChar[(++i1)] != ':')) { - return null; - } - int i3 = i1; - int j = 0; - int k = 0; - int i4; - while (i1 < m) { - char c = arrayOfChar[(i1++)]; - i4 = Character.digit(c, 16); - if (i4 != -1) { - k <<= 4; - k |= i4; - if (k > 65535) { - return null; - } - j = 1; - } else if (c == ':') { - i3 = i1; - if (j == 0) { - if (i != -1) { - return null; - } - i = i2; - } else { - if (i1 == m) { - return null; - } - if (i2 + 2 > 16) { - return null; - } - arrayOfByte1[(i2++)] = ((byte) (k >> 8 & 0xFF)); - arrayOfByte1[(i2++)] = ((byte) (k & 0xFF)); - j = 0; - k = 0; - } - } else if ((c == '.') && (i2 + 4 <= 16)) { - String str = paramString.substring(i3, m); - - int i5 = 0; - int i6 = 0; - while ((i6 = str.indexOf('.', i6)) != -1) { - i5++; - i6++; - } - if (i5 != 3) { - return null; - } - byte[] arrayOfByte3 = textToNumericFormatV4(str); - if (arrayOfByte3 == null) { - return null; - } - for (int i7 = 0; i7 < 4; i7++) { - arrayOfByte1[(i2++)] = arrayOfByte3[i7]; - } - j = 0; - } else { - return null; - } - } - if (j != 0) { - if (i2 + 2 > 16) { - return null; - } - arrayOfByte1[(i2++)] = ((byte) (k >> 8 & 0xFF)); - arrayOfByte1[(i2++)] = ((byte) (k & 0xFF)); - } - if (i != -1) { - i4 = i2 - i; - if (i2 == 16) { - return null; - } - for (i1 = 1; i1 <= i4; i1++) { - arrayOfByte1[(16 - i1)] = arrayOfByte1[(i + i4 - i1)]; - arrayOfByte1[(i + i4 - i1)] = 0; - } - i2 = 16; - } - if (i2 != 16) { - return null; - } - byte[] arrayOfByte2 = convertFromIPv4MappedAddress(arrayOfByte1); - if (arrayOfByte2 != null) { - return arrayOfByte2; - } - return arrayOfByte1; - } - - public static boolean isIPv4LiteralAddress(String paramString) { - return textToNumericFormatV4(paramString) != null; - } - - public static boolean isIPv6LiteralAddress(String paramString) { - return textToNumericFormatV6(paramString) != null; - } - - public static byte[] convertFromIPv4MappedAddress(byte[] paramArrayOfByte) { - if (isIPv4MappedAddress(paramArrayOfByte)) { - byte[] arrayOfByte = new byte[4]; - System.arraycopy(paramArrayOfByte, 12, arrayOfByte, 0, 4); - return arrayOfByte; - } - return null; - } - - private static boolean isIPv4MappedAddress(byte[] paramArrayOfByte) { - if (paramArrayOfByte.length < 16) { - return false; - } - if ((paramArrayOfByte[0] == 0) && (paramArrayOfByte[1] == 0) && (paramArrayOfByte[2] == 0) && (paramArrayOfByte[3] == 0) - && (paramArrayOfByte[4] == 0) && (paramArrayOfByte[5] == 0) && (paramArrayOfByte[6] == 0) && (paramArrayOfByte[7] == 0) - && (paramArrayOfByte[8] == 0) && (paramArrayOfByte[9] == 0) && (paramArrayOfByte[10] == -1) && (paramArrayOfByte[11] == -1)) { - return true; - } - return false; - } - -} +package com.jeesite.common.network; + +import javax.servlet.http.HttpServletRequest; + +import com.jeesite.common.lang.ObjectUtils; +import com.jeesite.common.lang.StringUtils; + +public class IpUtils { + + /** + * 获取客户端IP地址 + * @param request + * @return + */ + public static String getRemoteAddr(HttpServletRequest request) { + if (request == null) { + return "unknown"; + } + String ip = request.getHeader("X-Forwarded-For"); + if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { + ip = request.getHeader("Proxy-Client-IP"); + } + if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { + ip = request.getHeader("WL-Proxy-Client-IP"); + } + if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { + ip = request.getHeader("X-Real-IP"); + } + if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { + ip = request.getRemoteAddr(); + } + return StringUtils.split(ObjectUtils.toString(ip), ",")[0]; + } + + /** + * 是否是本地地址 + * @param ip + * @return + */ + public static boolean isLocalAddr(String ip){ + return StringUtils.inString(ip, "127.0.0.1", "0:0:0:0:0:0:0:1"); + } + + /** + * 判断IP地址为内网IP还是公网IP + * + * tcp/ip协议中，专门保留了三个IP地址区域作为私有地址，其地址范围如下： + * 10.0.0.0/8：10.0.0.0～10.255.255.255 + * 172.16.0.0/12：172.16.0.0～172.31.255.255 + * 192.168.0.0/16：192.168.0.0～192.168.255.255 + * + * @param ip + * @return + */ + public static boolean isInternalAddr(String ip) { + + if (isLocalAddr(ip)){ + return true; + } + + byte[] addr = textToNumericFormatV4(ip); + + final byte b0 = addr[0]; + final byte b1 = addr[1]; + //10.x.x.x/8 + final byte SECTION_1 = 0x0A; + //172.16.x.x/12 + final byte SECTION_2 = (byte) 0xAC; + final byte SECTION_3 = (byte) 0x10; + final byte SECTION_4 = (byte) 0x1F; + //192.168.x.x/16 + final byte SECTION_5 = (byte) 0xC0; + final byte SECTION_6 = (byte) 0xA8; + switch (b0) { + case SECTION_1: + return true; + case SECTION_2: + if (b1 >= SECTION_3 && b1 <= SECTION_4) { + return true; + } + case SECTION_5: + switch (b1) { + case SECTION_6: + return true; + } + default: + return false; + } + } + + public static byte[] textToNumericFormatV4(String paramString) { + if (paramString.length() == 0) { + return null; + } + byte[] arrayOfByte = new byte[4]; + String[] arrayOfString = paramString.split("\\.", -1); + try { + long l; + int i; + switch (arrayOfString.length) { + case 1: + l = Long.parseLong(arrayOfString[0]); + if ((l < 0L) || (l > 4294967295L)) { + return null; + } + arrayOfByte[0] = ((byte) (int) (l >> 24 & 0xFF)); + arrayOfByte[1] = ((byte) (int) ((l & 0xFFFFFF) >> 16 & 0xFF)); + arrayOfByte[2] = ((byte) (int) ((l & 0xFFFF) >> 8 & 0xFF)); + arrayOfByte[3] = ((byte) (int) (l & 0xFF)); + break; + case 2: + l = Integer.parseInt(arrayOfString[0]); + if ((l < 0L) || (l > 255L)) { + return null; + } + arrayOfByte[0] = ((byte) (int) (l & 0xFF)); + l = Integer.parseInt(arrayOfString[1]); + if ((l < 0L) || (l > 16777215L)) { + return null; + } + arrayOfByte[1] = ((byte) (int) (l >> 16 & 0xFF)); + arrayOfByte[2] = ((byte) (int) ((l & 0xFFFF) >> 8 & 0xFF)); + arrayOfByte[3] = ((byte) (int) (l & 0xFF)); + break; + case 3: + for (i = 0; i < 2; i++) { + l = Integer.parseInt(arrayOfString[i]); + if ((l < 0L) || (l > 255L)) { + return null; + } + arrayOfByte[i] = ((byte) (int) (l & 0xFF)); + } + l = Integer.parseInt(arrayOfString[2]); + if ((l < 0L) || (l > 65535L)) { + return null; + } + arrayOfByte[2] = ((byte) (int) (l >> 8 & 0xFF)); + arrayOfByte[3] = ((byte) (int) (l & 0xFF)); + break; + case 4: + for (i = 0; i < 4; i++) { + l = Integer.parseInt(arrayOfString[i]); + if ((l < 0L) || (l > 255L)) { + return null; + } + arrayOfByte[i] = ((byte) (int) (l & 0xFF)); + } + break; + default: + return null; + } + } catch (NumberFormatException localNumberFormatException) { + return null; + } + return arrayOfByte; + } + + public static byte[] textToNumericFormatV6(String paramString) { + if (paramString.length() < 2) { + return null; + } + char[] arrayOfChar = paramString.toCharArray(); + byte[] arrayOfByte1 = new byte[16]; + + int m = arrayOfChar.length; + int n = paramString.indexOf("%"); + if (n == m - 1) { + return null; + } + if (n != -1) { + m = n; + } + int i = -1; + int i1 = 0; + int i2 = 0; + if ((arrayOfChar[i1] == ':') && (arrayOfChar[(++i1)] != ':')) { + return null; + } + int i3 = i1; + int j = 0; + int k = 0; + int i4; + while (i1 < m) { + char c = arrayOfChar[(i1++)]; + i4 = Character.digit(c, 16); + if (i4 != -1) { + k <<= 4; + k |= i4; + if (k > 65535) { + return null; + } + j = 1; + } else if (c == ':') { + i3 = i1; + if (j == 0) { + if (i != -1) { + return null; + } + i = i2; + } else { + if (i1 == m) { + return null; + } + if (i2 + 2 > 16) { + return null; + } + arrayOfByte1[(i2++)] = ((byte) (k >> 8 & 0xFF)); + arrayOfByte1[(i2++)] = ((byte) (k & 0xFF)); + j = 0; + k = 0; + } + } else if ((c == '.') && (i2 + 4 <= 16)) { + String str = paramString.substring(i3, m); + + int i5 = 0; + int i6 = 0; + while ((i6 = str.indexOf('.', i6)) != -1) { + i5++; + i6++; + } + if (i5 != 3) { + return null; + } + byte[] arrayOfByte3 = textToNumericFormatV4(str); + if (arrayOfByte3 == null) { + return null; + } + for (int i7 = 0; i7 < 4; i7++) { + arrayOfByte1[(i2++)] = arrayOfByte3[i7]; + } + j = 0; + } else { + return null; + } + } + if (j != 0) { + if (i2 + 2 > 16) { + return null; + } + arrayOfByte1[(i2++)] = ((byte) (k >> 8 & 0xFF)); + arrayOfByte1[(i2++)] = ((byte) (k & 0xFF)); + } + if (i != -1) { + i4 = i2 - i; + if (i2 == 16) { + return null; + } + for (i1 = 1; i1 <= i4; i1++) { + arrayOfByte1[(16 - i1)] = arrayOfByte1[(i + i4 - i1)]; + arrayOfByte1[(i + i4 - i1)] = 0; + } + i2 = 16; + } + if (i2 != 16) { + return null; + } + byte[] arrayOfByte2 = convertFromIPv4MappedAddress(arrayOfByte1); + if (arrayOfByte2 != null) { + return arrayOfByte2; + } + return arrayOfByte1; + } + + public static boolean isIPv4LiteralAddress(String paramString) { + return textToNumericFormatV4(paramString) != null; + } + + public static boolean isIPv6LiteralAddress(String paramString) { + return textToNumericFormatV6(paramString) != null; + } + + public static byte[] convertFromIPv4MappedAddress(byte[] paramArrayOfByte) { + if (isIPv4MappedAddress(paramArrayOfByte)) { + byte[] arrayOfByte = new byte[4]; + System.arraycopy(paramArrayOfByte, 12, arrayOfByte, 0, 4); + return arrayOfByte; + } + return null; + } + + private static boolean isIPv4MappedAddress(byte[] paramArrayOfByte) { + if (paramArrayOfByte.length < 16) { + return false; + } + if ((paramArrayOfByte[0] == 0) && (paramArrayOfByte[1] == 0) && (paramArrayOfByte[2] == 0) && (paramArrayOfByte[3] == 0) + && (paramArrayOfByte[4] == 0) && (paramArrayOfByte[5] == 0) && (paramArrayOfByte[6] == 0) && (paramArrayOfByte[7] == 0) + && (paramArrayOfByte[8] == 0) && (paramArrayOfByte[9] == 0) && (paramArrayOfByte[10] == -1) && (paramArrayOfByte[11] == -1)) { + return true; + } + return false; + } + +}