├── FileDownloadServer.iml ├── HELP.md ├── README.md ├── bin └── FileDownloadServer.jar ├── img └── screenshot.jpeg ├── mvnw ├── mvnw.cmd ├── pom.xml └── src ├── main ├── java │ └── net │ │ └── thekingofduck │ │ └── filedownloadserver │ │ ├── FileDownloadServerApplication.java │ │ ├── config │ │ └── Config.java │ │ └── controller │ │ └── DownloadController.java └── resources │ └── application.properties └── test └── java └── net └── thekingofduck └── filedownloadserver └── FileDownloadServerApplicationTests.java /FileDownloadServer.iml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | -------------------------------------------------------------------------------- /HELP.md: -------------------------------------------------------------------------------- 1 | # Getting Started 2 | 3 | ### Reference Documentation 4 | 5 | For further reference, please consider the following sections: 6 | 7 | * [Official Apache Maven documentation](https://maven.apache.org/guides/index.html) 8 | * [Spring Boot Maven Plugin Reference Guide](https://docs.spring.io/spring-boot/docs/2.5.2/maven-plugin/reference/html/) 9 | * [Create an OCI image](https://docs.spring.io/spring-boot/docs/2.5.2/maven-plugin/reference/html/#build-image) 10 | * [Spring Web](https://docs.spring.io/spring-boot/docs/2.5.2/reference/htmlsingle/#boot-features-developing-web-applications) 11 | 12 | ### Guides 13 | 14 | The following guides illustrate how to use some features concretely: 15 | 16 | * [Building a RESTful Web Service](https://spring.io/guides/gs/rest-service/) 17 | * [Serving Web Content with Spring MVC](https://spring.io/guides/gs/serving-web-content/) 18 | * [Building REST services with Spring](https://spring.io/guides/tutorials/bookmarks/) 19 | 20 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # FileDownloadServer 2 | 3 | 一个可以在服务端查看文件传输进度的Web项目 4 | 5 | ### 0x01 使用 6 | 7 | ``` 8 | > # 设置Web端口为18888,可请求的文件路径为/tmp目录 9 | > java -jar FileDownloadServer.jar --server.port=18888 --path /tmp 10 | ``` 11 | 12 | 其中`server.port`参数默认值为8848,`path`参数默认值为当前路径 13 | 14 | 15 | ![](./img/screenshot.jpeg) 16 | 17 | ### 0x02 功能 18 | 19 | * 支持在服务端显示文件传输的状态。 20 | * 支持断点续传。 21 | -------------------------------------------------------------------------------- /bin/FileDownloadServer.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/TheKingOfDuck/FileDownloadServer/1c2477843aad15222b70144dfc75c14df48d7448/bin/FileDownloadServer.jar -------------------------------------------------------------------------------- /img/screenshot.jpeg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/TheKingOfDuck/FileDownloadServer/1c2477843aad15222b70144dfc75c14df48d7448/img/screenshot.jpeg -------------------------------------------------------------------------------- /mvnw: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | # ---------------------------------------------------------------------------- 3 | # Licensed to the Apache Software Foundation (ASF) under one 4 | # or more contributor license agreements. See the NOTICE file 5 | # distributed with this work for additional information 6 | # regarding copyright ownership. The ASF licenses this file 7 | # to you under the Apache License, Version 2.0 (the 8 | # "License"); you may not use this file except in compliance 9 | # with the License. You may obtain a copy of the License at 10 | # 11 | # https://www.apache.org/licenses/LICENSE-2.0 12 | # 13 | # Unless required by applicable law or agreed to in writing, 14 | # software distributed under the License is distributed on an 15 | # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 | # KIND, either express or implied. See the License for the 17 | # specific language governing permissions and limitations 18 | # under the License. 19 | # ---------------------------------------------------------------------------- 20 | 21 | # ---------------------------------------------------------------------------- 22 | # Maven Start Up Batch script 23 | # 24 | # Required ENV vars: 25 | # ------------------ 26 | # JAVA_HOME - location of a JDK home dir 27 | # 28 | # Optional ENV vars 29 | # ----------------- 30 | # M2_HOME - location of maven2's installed home dir 31 | # MAVEN_OPTS - parameters passed to the Java VM when running Maven 32 | # e.g. to debug Maven itself, use 33 | # set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 34 | # MAVEN_SKIP_RC - flag to disable loading of mavenrc files 35 | # ---------------------------------------------------------------------------- 36 | 37 | if [ -z "$MAVEN_SKIP_RC" ] ; then 38 | 39 | if [ -f /etc/mavenrc ] ; then 40 | . /etc/mavenrc 41 | fi 42 | 43 | if [ -f "$HOME/.mavenrc" ] ; then 44 | . "$HOME/.mavenrc" 45 | fi 46 | 47 | fi 48 | 49 | # OS specific support. $var _must_ be set to either true or false. 50 | cygwin=false; 51 | darwin=false; 52 | mingw=false 53 | case "`uname`" in 54 | CYGWIN*) cygwin=true ;; 55 | MINGW*) mingw=true;; 56 | Darwin*) darwin=true 57 | # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home 58 | # See https://developer.apple.com/library/mac/qa/qa1170/_index.html 59 | if [ -z "$JAVA_HOME" ]; then 60 | if [ -x "/usr/libexec/java_home" ]; then 61 | export JAVA_HOME="`/usr/libexec/java_home`" 62 | else 63 | export JAVA_HOME="/Library/Java/Home" 64 | fi 65 | fi 66 | ;; 67 | esac 68 | 69 | if [ -z "$JAVA_HOME" ] ; then 70 | if [ -r /etc/gentoo-release ] ; then 71 | JAVA_HOME=`java-config --jre-home` 72 | fi 73 | fi 74 | 75 | if [ -z "$M2_HOME" ] ; then 76 | ## resolve links - $0 may be a link to maven's home 77 | PRG="$0" 78 | 79 | # need this for relative symlinks 80 | while [ -h "$PRG" ] ; do 81 | ls=`ls -ld "$PRG"` 82 | link=`expr "$ls" : '.*-> $.*$$'` 83 | if expr "$link" : '/.*' > /dev/null; then 84 | PRG="$link" 85 | else 86 | PRG="`dirname "$PRG"`/$link" 87 | fi 88 | done 89 | 90 | saveddir=`pwd` 91 | 92 | M2_HOME=`dirname "$PRG"`/.. 93 | 94 | # make it fully qualified 95 | M2_HOME=`cd "$M2_HOME" && pwd` 96 | 97 | cd "$saveddir" 98 | # echo Using m2 at $M2_HOME 99 | fi 100 | 101 | # For Cygwin, ensure paths are in UNIX format before anything is touched 102 | if $cygwin ; then 103 | [ -n "$M2_HOME" ] && 104 | M2_HOME=`cygpath --unix "$M2_HOME"` 105 | [ -n "$JAVA_HOME" ] && 106 | JAVA_HOME=`cygpath --unix "$JAVA_HOME"` 107 | [ -n "$CLASSPATH" ] && 108 | CLASSPATH=`cygpath --path --unix "$CLASSPATH"` 109 | fi 110 | 111 | # For Mingw, ensure paths are in UNIX format before anything is touched 112 | if $mingw ; then 113 | [ -n "$M2_HOME" ] && 114 | M2_HOME="`(cd "$M2_HOME"; pwd)`" 115 | [ -n "$JAVA_HOME" ] && 116 | JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`" 117 | fi 118 | 119 | if [ -z "$JAVA_HOME" ]; then 120 | javaExecutable="`which javac`" 121 | if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '$[^ ]*$'`" = "no" ]; then 122 | # readlink(1) is not available as standard on Solaris 10. 123 | readLink=`which readlink` 124 | if [ ! `expr "$readLink" : '$[^ ]*$'` = "no" ]; then 125 | if $darwin ; then 126 | javaHome="`dirname \"$javaExecutable\"`" 127 | javaExecutable="`cd \"$javaHome\" && pwd -P`/javac" 128 | else 129 | javaExecutable="`readlink -f \"$javaExecutable\"`" 130 | fi 131 | javaHome="`dirname \"$javaExecutable\"`" 132 | javaHome=`expr "$javaHome" : '$.*$/bin'` 133 | JAVA_HOME="$javaHome" 134 | export JAVA_HOME 135 | fi 136 | fi 137 | fi 138 | 139 | if [ -z "$JAVACMD" ] ; then 140 | if [ -n "$JAVA_HOME" ] ; then 141 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 142 | # IBM's JDK on AIX uses strange locations for the executables 143 | JAVACMD="$JAVA_HOME/jre/sh/java" 144 | else 145 | JAVACMD="$JAVA_HOME/bin/java" 146 | fi 147 | else 148 | JAVACMD="`which java`" 149 | fi 150 | fi 151 | 152 | if [ ! -x "$JAVACMD" ] ; then 153 | echo "Error: JAVA_HOME is not defined correctly." >&2 154 | echo " We cannot execute $JAVACMD" >&2 155 | exit 1 156 | fi 157 | 158 | if [ -z "$JAVA_HOME" ] ; then 159 | echo "Warning: JAVA_HOME environment variable is not set." 160 | fi 161 | 162 | CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher 163 | 164 | # traverses directory structure from process work directory to filesystem root 165 | # first directory with .mvn subdirectory is considered project base directory 166 | find_maven_basedir() { 167 | 168 | if [ -z "$1" ] 169 | then 170 | echo "Path not specified to find_maven_basedir" 171 | return 1 172 | fi 173 | 174 | basedir="$1" 175 | wdir="$1" 176 | while [ "$wdir" != '/' ] ; do 177 | if [ -d "$wdir"/.mvn ] ; then 178 | basedir=$wdir 179 | break 180 | fi 181 | # workaround for JBEAP-8937 (on Solaris 10/Sparc) 182 | if [ -d "${wdir}" ]; then 183 | wdir=`cd "$wdir/.."; pwd` 184 | fi 185 | # end of workaround 186 | done 187 | echo "${basedir}" 188 | } 189 | 190 | # concatenates all lines of a file 191 | concat_lines() { 192 | if [ -f "$1" ]; then 193 | echo "$(tr -s '\n' ' ' < "$1")" 194 | fi 195 | } 196 | 197 | BASE_DIR=`find_maven_basedir "$(pwd)"` 198 | if [ -z "$BASE_DIR" ]; then 199 | exit 1; 200 | fi 201 | 202 | ########################################################################################## 203 | # Extension to allow automatically downloading the maven-wrapper.jar from Maven-central 204 | # This allows using the maven wrapper in projects that prohibit checking in binary data. 205 | ########################################################################################## 206 | if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then 207 | if [ "$MVNW_VERBOSE" = true ]; then 208 | echo "Found .mvn/wrapper/maven-wrapper.jar" 209 | fi 210 | else 211 | if [ "$MVNW_VERBOSE" = true ]; then 212 | echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..." 213 | fi 214 | if [ -n "$MVNW_REPOURL" ]; then 215 | jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" 216 | else 217 | jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" 218 | fi 219 | while IFS="=" read key value; do 220 | case "$key" in (wrapperUrl) jarUrl="$value"; break ;; 221 | esac 222 | done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties" 223 | if [ "$MVNW_VERBOSE" = true ]; then 224 | echo "Downloading from: $jarUrl" 225 | fi 226 | wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" 227 | if $cygwin; then 228 | wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"` 229 | fi 230 | 231 | if command -v wget > /dev/null; then 232 | if [ "$MVNW_VERBOSE" = true ]; then 233 | echo "Found wget ... using wget" 234 | fi 235 | if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then 236 | wget "$jarUrl" -O "$wrapperJarPath" 237 | else 238 | wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath" 239 | fi 240 | elif command -v curl > /dev/null; then 241 | if [ "$MVNW_VERBOSE" = true ]; then 242 | echo "Found curl ... using curl" 243 | fi 244 | if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then 245 | curl -o "$wrapperJarPath" "$jarUrl" -f 246 | else 247 | curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f 248 | fi 249 | 250 | else 251 | if [ "$MVNW_VERBOSE" = true ]; then 252 | echo "Falling back to using Java to download" 253 | fi 254 | javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java" 255 | # For Cygwin, switch paths to Windows format before running javac 256 | if $cygwin; then 257 | javaClass=`cygpath --path --windows "$javaClass"` 258 | fi 259 | if [ -e "$javaClass" ]; then 260 | if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then 261 | if [ "$MVNW_VERBOSE" = true ]; then 262 | echo " - Compiling MavenWrapperDownloader.java ..." 263 | fi 264 | # Compiling the Java class 265 | ("$JAVA_HOME/bin/javac" "$javaClass") 266 | fi 267 | if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then 268 | # Running the downloader 269 | if [ "$MVNW_VERBOSE" = true ]; then 270 | echo " - Running MavenWrapperDownloader.java ..." 271 | fi 272 | ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR") 273 | fi 274 | fi 275 | fi 276 | fi 277 | ########################################################################################## 278 | # End of extension 279 | ########################################################################################## 280 | 281 | export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"} 282 | if [ "$MVNW_VERBOSE" = true ]; then 283 | echo $MAVEN_PROJECTBASEDIR 284 | fi 285 | MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS" 286 | 287 | # For Cygwin, switch paths to Windows format before running java 288 | if $cygwin; then 289 | [ -n "$M2_HOME" ] && 290 | M2_HOME=`cygpath --path --windows "$M2_HOME"` 291 | [ -n "$JAVA_HOME" ] && 292 | JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"` 293 | [ -n "$CLASSPATH" ] && 294 | CLASSPATH=`cygpath --path --windows "$CLASSPATH"` 295 | [ -n "$MAVEN_PROJECTBASEDIR" ] && 296 | MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"` 297 | fi 298 | 299 | # Provide a "standardized" way to retrieve the CLI args that will 300 | # work with both Windows and non-Windows executions. 301 | MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@" 302 | export MAVEN_CMD_LINE_ARGS 303 | 304 | WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain 305 | 306 | exec "$JAVACMD" \ 307 | $MAVEN_OPTS \ 308 | -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \ 309 | "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \ 310 | ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@" 311 | -------------------------------------------------------------------------------- /mvnw.cmd: -------------------------------------------------------------------------------- 1 | @REM ---------------------------------------------------------------------------- 2 | @REM Licensed to the Apache Software Foundation (ASF) under one 3 | @REM or more contributor license agreements. See the NOTICE file 4 | @REM distributed with this work for additional information 5 | @REM regarding copyright ownership. The ASF licenses this file 6 | @REM to you under the Apache License, Version 2.0 (the 7 | @REM "License"); you may not use this file except in compliance 8 | @REM with the License. You may obtain a copy of the License at 9 | @REM 10 | @REM https://www.apache.org/licenses/LICENSE-2.0 11 | @REM 12 | @REM Unless required by applicable law or agreed to in writing, 13 | @REM software distributed under the License is distributed on an 14 | @REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 | @REM KIND, either express or implied. See the License for the 16 | @REM specific language governing permissions and limitations 17 | @REM under the License. 18 | @REM ---------------------------------------------------------------------------- 19 | 20 | @REM ---------------------------------------------------------------------------- 21 | @REM Maven Start Up Batch script 22 | @REM 23 | @REM Required ENV vars: 24 | @REM JAVA_HOME - location of a JDK home dir 25 | @REM 26 | @REM Optional ENV vars 27 | @REM M2_HOME - location of maven2's installed home dir 28 | @REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands 29 | @REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending 30 | @REM MAVEN_OPTS - parameters passed to the Java VM when running Maven 31 | @REM e.g. to debug Maven itself, use 32 | @REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 33 | @REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files 34 | @REM ---------------------------------------------------------------------------- 35 | 36 | @REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on' 37 | @echo off 38 | @REM set title of command window 39 | title %0 40 | @REM enable echoing by setting MAVEN_BATCH_ECHO to 'on' 41 | @if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO% 42 | 43 | @REM set %HOME% to equivalent of $HOME 44 | if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%") 45 | 46 | @REM Execute a user defined script before this one 47 | if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre 48 | @REM check for pre script, once with legacy .bat ending and once with .cmd ending 49 | if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat" 50 | if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd" 51 | :skipRcPre 52 | 53 | @setlocal 54 | 55 | set ERROR_CODE=0 56 | 57 | @REM To isolate internal variables from possible post scripts, we use another setlocal 58 | @setlocal 59 | 60 | @REM ==== START VALIDATION ==== 61 | if not "%JAVA_HOME%" == "" goto OkJHome 62 | 63 | echo. 64 | echo Error: JAVA_HOME not found in your environment. >&2 65 | echo Please set the JAVA_HOME variable in your environment to match the >&2 66 | echo location of your Java installation. >&2 67 | echo. 68 | goto error 69 | 70 | :OkJHome 71 | if exist "%JAVA_HOME%\bin\java.exe" goto init 72 | 73 | echo. 74 | echo Error: JAVA_HOME is set to an invalid directory. >&2 75 | echo JAVA_HOME = "%JAVA_HOME%" >&2 76 | echo Please set the JAVA_HOME variable in your environment to match the >&2 77 | echo location of your Java installation. >&2 78 | echo. 79 | goto error 80 | 81 | @REM ==== END VALIDATION ==== 82 | 83 | :init 84 | 85 | @REM Find the project base dir, i.e. the directory that contains the folder ".mvn". 86 | @REM Fallback to current working directory if not found. 87 | 88 | set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR% 89 | IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir 90 | 91 | set EXEC_DIR=%CD% 92 | set WDIR=%EXEC_DIR% 93 | :findBaseDir 94 | IF EXIST "%WDIR%"\.mvn goto baseDirFound 95 | cd .. 96 | IF "%WDIR%"=="%CD%" goto baseDirNotFound 97 | set WDIR=%CD% 98 | goto findBaseDir 99 | 100 | :baseDirFound 101 | set MAVEN_PROJECTBASEDIR=%WDIR% 102 | cd "%EXEC_DIR%" 103 | goto endDetectBaseDir 104 | 105 | :baseDirNotFound 106 | set MAVEN_PROJECTBASEDIR=%EXEC_DIR% 107 | cd "%EXEC_DIR%" 108 | 109 | :endDetectBaseDir 110 | 111 | IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig 112 | 113 | @setlocal EnableExtensions EnableDelayedExpansion 114 | for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a 115 | @endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS% 116 | 117 | :endReadAdditionalConfig 118 | 119 | SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe" 120 | set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar" 121 | set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain 122 | 123 | set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" 124 | 125 | FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO ( 126 | IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B 127 | ) 128 | 129 | @REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central 130 | @REM This allows using the maven wrapper in projects that prohibit checking in binary data. 131 | if exist %WRAPPER_JAR% ( 132 | if "%MVNW_VERBOSE%" == "true" ( 133 | echo Found %WRAPPER_JAR% 134 | ) 135 | ) else ( 136 | if not "%MVNW_REPOURL%" == "" ( 137 | SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" 138 | ) 139 | if "%MVNW_VERBOSE%" == "true" ( 140 | echo Couldn't find %WRAPPER_JAR%, downloading it ... 141 | echo Downloading from: %DOWNLOAD_URL% 142 | ) 143 | 144 | powershell -Command "&{"^ 145 | "$webclient = new-object System.Net.WebClient;"^ 146 | "if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^ 147 | "$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^ 148 | "}"^ 149 | "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^ 150 | "}" 151 | if "%MVNW_VERBOSE%" == "true" ( 152 | echo Finished downloading %WRAPPER_JAR% 153 | ) 154 | ) 155 | @REM End of extension 156 | 157 | @REM Provide a "standardized" way to retrieve the CLI args that will 158 | @REM work with both Windows and non-Windows executions. 159 | set MAVEN_CMD_LINE_ARGS=%* 160 | 161 | %MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %* 162 | if ERRORLEVEL 1 goto error 163 | goto end 164 | 165 | :error 166 | set ERROR_CODE=1 167 | 168 | :end 169 | @endlocal & set ERROR_CODE=%ERROR_CODE% 170 | 171 | if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost 172 | @REM check for post script, once with legacy .bat ending and once with .cmd ending 173 | if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat" 174 | if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd" 175 | :skipRcPost 176 | 177 | @REM pause the script if MAVEN_BATCH_PAUSE is set to 'on' 178 | if "%MAVEN_BATCH_PAUSE%" == "on" pause 179 | 180 | if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE% 181 | 182 | exit /B %ERROR_CODE% 183 | -------------------------------------------------------------------------------- /pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 4.0.0 5 | 6 | org.springframework.boot 7 | spring-boot-starter-parent 8 | 2.5.2 9 | 10 | 11 | net.thekingofduck 12 | FileDownloadServer 13 | 0.0.1-SNAPSHOT 14 | FileDownloadServer 15 | Demo project for Spring Boot 16 | 17 | 1.8 18 | 19 | 20 | 21 | org.springframework.boot 22 | spring-boot-starter-web 23 | 24 | 25 | 26 | org.springframework.boot 27 | spring-boot-starter-test 28 | test 29 | 30 | 31 | cn.hutool 32 | hutool-all 33 | 5.5.4 34 | 35 | 36 | 37 | 38 | 39 | 40 | org.springframework.boot 41 | spring-boot-maven-plugin 42 | 43 | 44 | 45 | 46 | 47 | -------------------------------------------------------------------------------- /src/main/java/net/thekingofduck/filedownloadserver/FileDownloadServerApplication.java: -------------------------------------------------------------------------------- 1 | package net.thekingofduck.filedownloadserver; 2 | 3 | import cn.hutool.log.Log; 4 | import cn.hutool.log.LogFactory; 5 | import net.thekingofduck.filedownloadserver.config.Config; 6 | import org.springframework.boot.SpringApplication; 7 | import org.springframework.boot.autoconfigure.SpringBootApplication; 8 | 9 | @SpringBootApplication 10 | public class FileDownloadServerApplication { 11 | 12 | public static void main(String[] args) { 13 | 14 | //处理自定义参数 15 | for (int i = 0; i < args.length; i++) { 16 | String arg = args[i].toLowerCase(); 17 | if ("-p".equals(arg)| "--path".equals(arg)){ 18 | Config.PATH = args[i+1]; 19 | } 20 | } 21 | 22 | SpringApplication.run(FileDownloadServerApplication.class, args); 23 | } 24 | 25 | } 26 | -------------------------------------------------------------------------------- /src/main/java/net/thekingofduck/filedownloadserver/config/Config.java: -------------------------------------------------------------------------------- 1 | package net.thekingofduck.filedownloadserver.config; 2 | 3 | /** 4 | * @Project: FileDownloadServer 5 | * @ClassName: Config 6 | * @Author: TheKingOfDuck 7 | * @Date:2021/7/22 12:38 下午 8 | * Github:https://github.com/TheKingOfDuck 9 | * When I wirting my code, only God and I know what it does. After a while, only God knows. 10 | */ 11 | public class Config { 12 | public static String PATH = System.getProperty("user.dir"); 13 | } 14 | -------------------------------------------------------------------------------- /src/main/java/net/thekingofduck/filedownloadserver/controller/DownloadController.java: -------------------------------------------------------------------------------- 1 | package net.thekingofduck.filedownloadserver.controller; 2 | 3 | import cn.hutool.log.Log; 4 | import cn.hutool.log.LogFactory; 5 | 6 | import net.thekingofduck.filedownloadserver.config.Config; 7 | import org.apache.catalina.connector.ClientAbortException; 8 | import org.springframework.web.bind.annotation.RequestHeader; 9 | import org.springframework.web.bind.annotation.RequestMapping; 10 | import org.springframework.web.bind.annotation.RestController; 11 | 12 | import javax.servlet.http.HttpServletRequest; 13 | import javax.servlet.http.HttpServletResponse; 14 | import java.io.*; 15 | 16 | /** 17 | * @Project: FileDownloadServer 18 | * @ClassName: DownloadController 19 | * @Author: TheKingOfDuck 20 | * @Date:2021/7/22 12:46 上午 21 | * Github:https://github.com/TheKingOfDuck 22 | * When I wirting my code, only God and I know what it does. After a while, only God knows. 23 | */ 24 | @RestController 25 | public class DownloadController { 26 | 27 | static Log log = LogFactory.get(Thread.currentThread().getStackTrace()[1].getClassName()); 28 | 29 | 30 | @RequestMapping("/**") 31 | public void download(HttpServletRequest request, HttpServletResponse response, @RequestHeader(required = false) String range) { 32 | 33 | String filePath = Config.PATH + request.getRequestURI(); 34 | String ip = request.getRemoteHost(); 35 | log.info(String.format("%s 请求文件 %s",ip,filePath)); 36 | 37 | if (!filePath.contains("..")){ 38 | //文件位置 39 | File file = new File(filePath); 40 | if (!file.exists()){ 41 | log.error(String.format("%s 请求的文件%s不存在",ip,filePath)); 42 | return; 43 | } 44 | //开始下载位置 45 | long startByte = 0; 46 | //结束下载位置 47 | long endByte = file.length() - 1; 48 | 49 | //有range的话 50 | if (range != null && range.contains("bytes=") && range.contains("-")) { 51 | //坑爹地方一：http状态码要为206 52 | response.setStatus(HttpServletResponse.SC_PARTIAL_CONTENT); 53 | 54 | range = range.substring(range.lastIndexOf("=") + 1).trim(); 55 | String[] ranges = range.split("-"); 56 | try { 57 | //判断range的类型 58 | if (ranges.length == 1) { 59 | //类型一：bytes=-2343 60 | if (range.startsWith("-")) { 61 | endByte = Long.parseLong(ranges[0]); 62 | } 63 | //类型二：bytes=2343- 64 | else if (range.endsWith("-")) { 65 | startByte = Long.parseLong(ranges[0]); 66 | } 67 | } 68 | //类型三：bytes=22-2343 69 | else if (ranges.length == 2) { 70 | startByte = Long.parseLong(ranges[0]); 71 | endByte = Long.parseLong(ranges[1]); 72 | } 73 | 74 | } catch (NumberFormatException e) { 75 | startByte = 0; 76 | endByte = file.length() - 1; 77 | } 78 | } else { 79 | //没有ranges即全部一次性传输，需要用200状态码，这一行应该可以省掉，因为默认返回是200状态码 80 | response.setStatus(HttpServletResponse.SC_OK); 81 | } 82 | 83 | //要下载的长度（endByte为总长度-1，这时候要加回去） 84 | long contentLength = endByte - startByte + 1; 85 | //文件名 86 | String fileName = file.getName(); 87 | //文件类型 88 | String contentType = request.getServletContext().getMimeType(fileName); 89 | 90 | 91 | //各种响应头设置 92 | //参考资料：https://www.ibm.com/developerworks/cn/java/joy-down/index.html 93 | //坑爹地方二：看代码 94 | response.setHeader("Accept-Ranges", "bytes"); 95 | response.setContentType(contentType); 96 | response.setHeader("Content-Type", contentType); 97 | //参考资料：http://hw1287789687.iteye.com/blog/2188500 98 | String[] filenames = filePath.split("/"); 99 | response.setHeader("Content-Disposition", "inline;filename=" + filenames[filenames.length -1 ]); 100 | response.setHeader("Content-Length", String.valueOf(contentLength)); 101 | //坑爹地方三：Content-Range，格式为 102 | // [要下载的开始位置]-[结束位置]/[文件总大小] 103 | response.setHeader("Content-Range", "bytes " + startByte + "-" + endByte + "/" + file.length()); 104 | log.info(ip + " 请求bytes的范围 " + startByte + "-" + endByte + " 文件大小:" + (file.length() -1)); 105 | 106 | 107 | BufferedOutputStream outputStream = null; 108 | RandomAccessFile randomAccessFile = null; 109 | //已传送数据大小 110 | long transmitted = 0; 111 | try { 112 | randomAccessFile = new RandomAccessFile(file, "r"); 113 | outputStream = new BufferedOutputStream(response.getOutputStream()); 114 | byte[] buff = new byte[4096]; 115 | int len = 0; 116 | randomAccessFile.seek(startByte); 117 | //坑爹地方四：判断是否到了最后不足4096（buff的length）个byte这个逻辑（(transmitted + len) <= contentLength）要放前面！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！ 118 | //不然会先读取randomAccessFile，造成后面读取位置出错，找了一天才发现问题所在 119 | while ((transmitted + len) <= contentLength && (len = randomAccessFile.read(buff)) != -1) { 120 | outputStream.write(buff, 0, len); 121 | transmitted += len; 122 | //停一下，方便测试（本地下载传输速度特别快，没反应过来就下载好了），实际生产环境中用的时候需要删除这一行 123 | // Thread.sleep(1); 124 | } 125 | //处理不足buff.length部分 126 | if (transmitted < contentLength) { 127 | len = randomAccessFile.read(buff, 0, (int) (contentLength - transmitted)); 128 | outputStream.write(buff, 0, len); 129 | transmitted += len; 130 | } 131 | 132 | outputStream.flush(); 133 | response.flushBuffer(); 134 | randomAccessFile.close(); 135 | log.info(ip + " 下载" + startByte + "-" + endByte + "完成已传输:" + (transmitted - 1)); 136 | 137 | } catch (ClientAbortException e) { 138 | log.info(ip+ " 下载" + startByte + "-" + endByte+1 + "中断已传输:" + transmitted); 139 | //捕获此异常表示拥护停止下载 140 | } catch (IOException e) { 141 | log.error(e.getMessage()); 142 | } finally { 143 | try { 144 | if (randomAccessFile != null) { 145 | randomAccessFile.close(); 146 | } 147 | } catch (IOException e) { 148 | log.error(e.getMessage()); 149 | } 150 | } 151 | } 152 | } 153 | } 154 | -------------------------------------------------------------------------------- /src/main/resources/application.properties: -------------------------------------------------------------------------------- 1 | 2 | server.port=8848 -------------------------------------------------------------------------------- /src/test/java/net/thekingofduck/filedownloadserver/FileDownloadServerApplicationTests.java: -------------------------------------------------------------------------------- 1 | package net.thekingofduck.filedownloadserver; 2 | 3 | import org.junit.jupiter.api.Test; 4 | import org.springframework.boot.test.context.SpringBootTest; 5 | 6 | @SpringBootTest 7 | class FileDownloadServerApplicationTests { 8 | 9 | @Test 10 | void contextLoads() { 11 | } 12 | 13 | } 14 | --------------------------------------------------------------------------------