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新增文件服务应用

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RuoYi
2020-11-18 19:57:55 +08:00
committed by 疯狂的狮子li
parent 3b2c8596e4
commit cbc977dde9
27 changed files with 1053 additions and 13 deletions
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5
ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/constant/ServiceNameConstants.java
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@@ -16,4 +16,9 @@ public class ServiceNameConstants
* 系统模块的serviceid
*/
public static final String SYSTEM_SERVICE = "ruoyi-system";
/**
* 文件服务的serviceid
*/
public static final String FILE_SERVICE = "ruoyi-file";
}

19
ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/exception/file/FileException.java Normal file
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@@ -0,0 +1,19 @@
package com.ruoyi.common.core.exception.file;
import com.ruoyi.common.core.exception.BaseException;
/**
* 文件信息异常类
*
* @author ruoyi
*/
public class FileException extends BaseException
{
private static final long serialVersionUID = 1L;
public FileException(String code, Object[] args)
{
super("file", code, args, null);
}
}

16
ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/exception/file/FileNameLengthLimitExceededException.java Normal file
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@@ -0,0 +1,16 @@
package com.ruoyi.common.core.exception.file;
/**
* 文件名称超长限制异常类
*
* @author ruoyi
*/
public class FileNameLengthLimitExceededException extends FileException
{
private static final long serialVersionUID = 1L;
public FileNameLengthLimitExceededException(int defaultFileNameLength)
{
super("upload.filename.exceed.length", new Object[] { defaultFileNameLength });
}
}

16
ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/exception/file/FileSizeLimitExceededException.java Normal file
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@@ -0,0 +1,16 @@
package com.ruoyi.common.core.exception.file;
/**
* 文件名大小限制异常类
*
* @author ruoyi
*/
public class FileSizeLimitExceededException extends FileException
{
private static final long serialVersionUID = 1L;
public FileSizeLimitExceededException(long defaultMaxSize)
{
super("upload.exceed.maxSize", new Object[] { defaultMaxSize });
}
}

81
ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/exception/file/InvalidExtensionException.java Normal file
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@@ -0,0 +1,81 @@
package com.ruoyi.common.core.exception.file;
import java.util.Arrays;
import org.apache.commons.fileupload.FileUploadException;
/**
* 文件上传 误异常类
*
* @author ruoyi
*/
public class InvalidExtensionException extends FileUploadException
{
private static final long serialVersionUID = 1L;
private String[] allowedExtension;
private String extension;
private String filename;
public InvalidExtensionException(String[] allowedExtension, String extension, String filename)
{
super("filename : [" + filename + "], extension : [" + extension + "], allowed extension : [" + Arrays.toString(allowedExtension) + "]");
this.allowedExtension = allowedExtension;
this.extension = extension;
this.filename = filename;
}
public String[] getAllowedExtension()
{
return allowedExtension;
}
public String getExtension()
{
return extension;
}
public String getFilename()
{
return filename;
}
public static class InvalidImageExtensionException extends InvalidExtensionException
{
private static final long serialVersionUID = 1L;
public InvalidImageExtensionException(String[] allowedExtension, String extension, String filename)
{
super(allowedExtension, extension, filename);
}
}
public static class InvalidFlashExtensionException extends InvalidExtensionException
{
private static final long serialVersionUID = 1L;
public InvalidFlashExtensionException(String[] allowedExtension, String extension, String filename)
{
super(allowedExtension, extension, filename);
}
}
public static class InvalidMediaExtensionException extends InvalidExtensionException
{
private static final long serialVersionUID = 1L;
public InvalidMediaExtensionException(String[] allowedExtension, String extension, String filename)
{
super(allowedExtension, extension, filename);
}
}
public static class InvalidVideoExtensionException extends InvalidExtensionException
{
private static final long serialVersionUID = 1L;
public InvalidVideoExtensionException(String[] allowedExtension, String extension, String filename)
{
super(allowedExtension, extension, filename);
}
}
}

47
ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/file/FileTypeUtils.java Normal file
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@@ -0,0 +1,47 @@
package com.ruoyi.common.core.utils.file;
import java.io.File;
import org.apache.commons.lang3.StringUtils;
/**
* 文件类型工具类
*
* @author ruoyi
*/
public class FileTypeUtils
{
/**
* 获取文件类型
* <p>
* 例如: ruoyi.txt, 返回: txt
*
* @param file 文件名
* @return 后缀（不含".")
*/
public static String getFileType(File file)
{
if (null == file)
{
return StringUtils.EMPTY;
}
return getFileType(file.getName());
}
/**
* 获取文件类型
* <p>
* 例如: ruoyi.txt, 返回: txt
*
* @param fileName 文件名
* @return 后缀（不含".")
*/
public static String getFileType(String fileName)
{
int separatorIndex = fileName.lastIndexOf(".");
if (separatorIndex < 0)
{
return "";
}
return fileName.substring(separatorIndex + 1).toLowerCase();
}
}

65
ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/file/FileUtils.java
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@@ -7,7 +7,11 @@ import java.io.IOException;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.lang3.ArrayUtils;
import com.ruoyi.common.core.utils.StringUtils;
/**
* 文件处理工具类
@@ -104,6 +108,30 @@ public class FileUtils extends org.apache.commons.io.FileUtils
return filename.matches(FILENAME_PATTERN);
}
/**
* 检查文件是否可下载
*
* @param resource 需要下载的文件
* @return true 正常 false 非法
*/
public static boolean checkAllowDownload(String resource)
{
// 禁止目录上跳级别
if (StringUtils.contains(resource, ".."))
{
return false;
}
// 检查允许下载的文件规则
if (ArrayUtils.contains(MimeTypeUtils.DEFAULT_ALLOWED_EXTENSION, FileTypeUtils.getFileType(resource)))
{
return true;
}
// 不在允许下载的文件规则
return false;
}
/**
* 下载文件名重新编码
*
@@ -111,8 +139,7 @@ public class FileUtils extends org.apache.commons.io.FileUtils
* @param fileName 文件名
* @return 编码后的文件名
*/
public static String setFileDownloadHeader(HttpServletRequest request, String fileName)
throws UnsupportedEncodingException
public static String setFileDownloadHeader(HttpServletRequest request, String fileName) throws UnsupportedEncodingException
{
final String agent = request.getHeader("USER-AGENT");
String filename = fileName;
@@ -139,4 +166,38 @@ public class FileUtils extends org.apache.commons.io.FileUtils
}
return filename;
}
/**
* 下载文件名重新编码
*
* @param response 响应对象
* @param realFileName 真实文件名
* @return
*/
public static void setAttachmentResponseHeader(HttpServletResponse response, String realFileName) throws UnsupportedEncodingException
{
String percentEncodedFileName = percentEncode(realFileName);
StringBuilder contentDispositionValue = new StringBuilder();
contentDispositionValue.append("attachment; filename=")
.append(percentEncodedFileName)
.append(";")
.append("filename*=")
.append("utf-8''")
.append(percentEncodedFileName);
response.setHeader("Content-disposition", contentDispositionValue.toString());
}
/**
* 百分号编码工具方法
*
* @param s 需要百分号编码的字符串
* @return 百分号编码后的字符串
*/
public static String percentEncode(String s) throws UnsupportedEncodingException
{
String encode = URLEncoder.encode(s, StandardCharsets.UTF_8.toString());
return encode.replaceAll("\\+", "%20");
}
}

59
ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/file/MimeTypeUtils.java Normal file
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@@ -0,0 +1,59 @@
package com.ruoyi.common.core.utils.file;
/**
* 媒体类型工具类
*
* @author ruoyi
*/
public class MimeTypeUtils
{
public static final String IMAGE_PNG = "image/png";
public static final String IMAGE_JPG = "image/jpg";
public static final String IMAGE_JPEG = "image/jpeg";
public static final String IMAGE_BMP = "image/bmp";
public static final String IMAGE_GIF = "image/gif";
public static final String[] IMAGE_EXTENSION = { "bmp", "gif", "jpg", "jpeg", "png" };
public static final String[] FLASH_EXTENSION = { "swf", "flv" };
public static final String[] MEDIA_EXTENSION = { "swf", "flv", "mp3", "wav", "wma", "wmv", "mid", "avi", "mpg",
"asf", "rm", "rmvb" };
public static final String[] VIDEO_EXTENSION = { "mp4", "avi", "rmvb" };
public static final String[] DEFAULT_ALLOWED_EXTENSION = {
// 图片
"bmp", "gif", "jpg", "jpeg", "png",
// word excel powerpoint
"doc", "docx", "xls", "xlsx", "ppt", "pptx", "html", "htm", "txt",
// 压缩文件
"rar", "zip", "gz", "bz2",
// 视频格式
"mp4", "avi", "rmvb",
// pdf
"pdf" };
public static String getExtension(String prefix)
{
switch (prefix)
{
case IMAGE_PNG:
return "png";
case IMAGE_JPG:
return "jpg";
case IMAGE_JPEG:
return "jpeg";
case IMAGE_BMP:
return "bmp";
case IMAGE_GIF:
return "gif";
default:
return "";
}
}
}