diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..fe68e54 --- /dev/null +++ b/.gitignore @@ -0,0 +1,14 @@ +.gradle +build +target +.classpath +.project +.springBeans +.settings/ + +.Rproj.user +.Rbuildignore +.Rhistory +.Rproj +.vagrant +bin diff --git a/README.md b/README.md new file mode 100644 index 0000000..4f7eb2f --- /dev/null +++ b/README.md @@ -0,0 +1,36 @@ +# RCloud Gist Service + +## Overview + +The RCloud Gist Service is a Java based service for enabling gist access to various different backend storage systems. + +## Building +### Requirements +* Java 1.8 or above. + +### Building +The project uses the gradle build system and contains the gradle wrapper script +which will automatically obtain the specified version of gradle. Building the +software for the first time maybe slow. + +#### Build commands +* Build the whole project: `gradlew build` +* Cleaning the project: `gradlew clean` +* Running build with reporting: `gradlew clean build generateProjectReports` + +#### Versioning +The project uses GitFlow, and the . + +#### Contributing +* This project follows GitFlow, all development should be done on feature branches with pull requests to merge into the development branches. + + +#### IDE integration +#### Eclipse +There are two mechanisms to load the project into the Eclipse IDE: +1. Use the Eclipse gradle plugin [BuildShip](https://github.com/eclipse/buildship), this is an Eclipse plugin that understands gradle projects. BuildShip does not include syntax highlighting editor, you will have to install Groovy Eclipse plugin. +2. Use the gradle eclipse plugin (this is a plugin in the gradle build file that will generate the appropriate eclipse project). To generate the eclipse files run the following `gradlew eclipse`, you can then import the project in as an existing project. When you add a new dependency in you will need to run this again to regenerate the eclipse project files and then refresh the project in eclipse and it will pick up the new settings. If you want to just generate the eclipse files for a specific sub module then run the command `gradlew :store:eclipse` for the store sub project. + +## Components + +## LICENSE & Copyright diff --git a/build.gradle b/build.gradle new file mode 100644 index 0000000..7cb961e --- /dev/null +++ b/build.gradle @@ -0,0 +1,161 @@ +buildscript { + repositories { + maven { url 'https://plugins.gradle.org/m2/' } + jcenter() + mavenCentral() + } + dependencies { + classpath 'org.springframework.boot:spring-boot-gradle-plugin:1.4.3.RELEASE' + classpath 'io.spring.gradle:dependency-management-plugin:0.6.1.RELEASE' + classpath 'com.netflix.nebula:gradle-ospackage-plugin:3.7.1' + classpath 'com.netflix.nebula:gradle-info-plugin:3.5.0' + classpath 'com.netflix.nebula:nebula-project-plugin:3.3.0' + classpath 'gradle.plugin.com.github.jk1:gradle-license-report:0.3.5' + classpath 'com.fizzpod:gradle-sweeney-plugin:2.1.1' + classpath 'pl.allegro.tech.build:axion-release-plugin:1.4.1' + } +} + +apply plugin: 'com.fizzpod.sweeney' +apply plugin: "pl.allegro.tech.build.axion-release" + + +sweeney { + enforce 'jdk:[1.7,)' + enforce 'gradle:[2.14,)' + validate() +} + +scmVersion { + tag { + prefix = 'release-' + } +} + +allprojects { + repositories { + jcenter() + } + group = 'com.mangosolutions.rcloud' + project.version = scmVersion.version + +} + +subprojects { + apply plugin: 'java' + apply plugin: 'groovy' + apply plugin: "io.spring.dependency-management" + apply plugin: 'eclipse' + apply plugin: 'nebula.info' + apply plugin: 'nebula.integtest' + apply plugin: 'maven' + apply plugin: 'maven-publish' + + + + sourceCompatibility = JavaVersion.VERSION_1_7 + targetCompatibility = JavaVersion.VERSION_1_7 + + dependencyManagement { + imports { + mavenBom 'org.springframework.cloud:spring-cloud-starter-parent:Camden.SR4' + mavenBom 'org.springframework.boot:spring-boot-starter-parent:1.4.3.RELEASE' + } + } + + //Exclude the log4j dependencies as will use logback + configurations { + all*.exclude group: 'log4j', module: 'log4j' + all*.exclude group: 'org.slf4j', module: 'slf4j-log4j12' + all*.exclude module: "spring-boot-starter-tomcat" + } + + task sourcesJar(type: Jar, dependsOn: classes) { + classifier = 'sources' + from sourceSets.main.allSource + } + + tasks.withType(JavaExec) { + if (Boolean.getBoolean('DEBUG')) { + jvmArgs '-Xdebug', '-Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=8000' + } + } + + task javadocJar(type: Jar, dependsOn: javadoc) { + classifier = 'javadoc' + from javadoc.destinationDir + } + + artifacts { + archives sourcesJar + archives javadocJar + } + + project.tasks.findAll { + it.name.startsWith("publish") + }.each { + it.dependsOn assemble + } + + +} + +configure(subprojects.findAll {it.name =~ /.*service/}) { + + apply plugin: 'org.springframework.boot' + apply plugin: 'nebula.ospackage' + + springBoot { + executable = true + buildInfo() + } + + ext.installPath='/opt/' + archivesBaseName + ext.jarPath=installPath + '/' + archivesBaseName + '-' + scmVersion.version + '.jar' + ext.initPath='/etc/init.d/' + archivesBaseName + project.description = "TBD" + ext.projectVendor = "TBD" + ext.projectUrl = "TBD" + ext.projectPackageGroup = "TBD" + ext.buildId = new Date().format('yyyyMMddHHmmss') + + dependencies { + compile("org.springframework.boot:spring-boot-starter-undertow:1.4.3.RELEASE") + } + + processResources { + filesMatching('config/application.yml') { expand (project.properties) } + } + + artifacts { + archives buildRpm + } + +/* + ospackage { + packageName = archivesBaseName + version = project.version.replaceAll("-", ".") + release = 1 + arch = NOARCH + os = LINUX + user = "prov" + group = "prov" + + into installPath + + from(jar.outputs.files) { + fileMode 0500 + } + + link(initPath, jarPath) + + } +*/ + + task distRpm(type: Rpm, dependsOn: bootRepackage) { + + } + assemble.dependsOn distRpm + + +} diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000..30d399d Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..b35cc68 --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,6 @@ +#Tue Feb 23 17:35:35 GMT 2016 +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-bin.zip diff --git a/gradlew b/gradlew new file mode 100644 index 0000000..91a7e26 --- /dev/null +++ b/gradlew @@ -0,0 +1,164 @@ +#!/usr/bin/env bash + +############################################################################## +## +## Gradle start up script for UN*X +## +############################################################################## + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS="" + +APP_NAME="Gradle" +APP_BASE_NAME=`basename "$0"` + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD="maximum" + +warn ( ) { + echo "$*" +} + +die ( ) { + echo + echo "$*" + echo + exit 1 +} + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +case "`uname`" in + CYGWIN* ) + cygwin=true + ;; + Darwin* ) + darwin=true + ;; + MINGW* ) + msys=true + ;; +esac + +# For Cygwin, ensure paths are in UNIX format before anything is touched. +if $cygwin ; then + [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"` +fi + +# Attempt to set APP_HOME +# Resolve links: $0 may be a link +PRG="$0" +# Need this for relative symlinks. +while [ -h "$PRG" ] ; do + ls=`ls -ld "$PRG"` + link=`expr "$ls" : '.*-> \(.*\)$'` + if expr "$link" : '/.*' > /dev/null; then + PRG="$link" + else + PRG=`dirname "$PRG"`"/$link" + fi +done +SAVED="`pwd`" +cd "`dirname \"$PRG\"`/" >&- +APP_HOME="`pwd -P`" +cd "$SAVED" >&- + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD="$JAVA_HOME/jre/sh/java" + else + JAVACMD="$JAVA_HOME/bin/java" + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD="java" + which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." +fi + +# Increase the maximum file descriptors if we can. +if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then + MAX_FD_LIMIT=`ulimit -H -n` + if [ $? -eq 0 ] ; then + if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then + MAX_FD="$MAX_FD_LIMIT" + fi + ulimit -n $MAX_FD + if [ $? -ne 0 ] ; then + warn "Could not set maximum file descriptor limit: $MAX_FD" + fi + else + warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" + fi +fi + +# For Darwin, add options to specify how the application appears in the dock +if $darwin; then + GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" +fi + +# For Cygwin, switch paths to Windows format before running java +if $cygwin ; then + APP_HOME=`cygpath --path --mixed "$APP_HOME"` + CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` + + # We build the pattern for arguments to be converted via cygpath + ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` + SEP="" + for dir in $ROOTDIRSRAW ; do + ROOTDIRS="$ROOTDIRS$SEP$dir" + SEP="|" + done + OURCYGPATTERN="(^($ROOTDIRS))" + # Add a user-defined pattern to the cygpath arguments + if [ "$GRADLE_CYGPATTERN" != "" ] ; then + OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" + fi + # Now convert the arguments - kludge to limit ourselves to /bin/sh + i=0 + for arg in "$@" ; do + CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` + CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option + + if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition + eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` + else + eval `echo args$i`="\"$arg\"" + fi + i=$((i+1)) + done + case $i in + (0) set -- ;; + (1) set -- "$args0" ;; + (2) set -- "$args0" "$args1" ;; + (3) set -- "$args0" "$args1" "$args2" ;; + (4) set -- "$args0" "$args1" "$args2" "$args3" ;; + (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; + (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; + (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; + (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; + (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; + esac +fi + +# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules +function splitJvmOpts() { + JVM_OPTS=("$@") +} +eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS +JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME" + +exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@" diff --git a/gradlew.bat b/gradlew.bat new file mode 100644 index 0000000..8a0b282 --- /dev/null +++ b/gradlew.bat @@ -0,0 +1,90 @@ +@if "%DEBUG%" == "" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS= + +set DIRNAME=%~dp0 +if "%DIRNAME%" == "" set DIRNAME=. +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if "%ERRORLEVEL%" == "0" goto init + +echo. +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto init + +echo. +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:init +@rem Get command-line arguments, handling Windowz variants + +if not "%OS%" == "Windows_NT" goto win9xME_args +if "%@eval[2+2]" == "4" goto 4NT_args + +:win9xME_args +@rem Slurp the command line arguments. +set CMD_LINE_ARGS= +set _SKIP=2 + +:win9xME_args_slurp +if "x%~1" == "x" goto execute + +set CMD_LINE_ARGS=%* +goto execute + +:4NT_args +@rem Get arguments from the 4NT Shell from JP Software +set CMD_LINE_ARGS=%$ + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% + +:end +@rem End local scope for the variables with windows NT shell +if "%ERRORLEVEL%"=="0" goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 +exit /b 1 + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/rcloud-gist-service/README.md b/rcloud-gist-service/README.md new file mode 100644 index 0000000..e7f76dc --- /dev/null +++ b/rcloud-gist-service/README.md @@ -0,0 +1 @@ +# Implementation of the RCLoud Gist Service. diff --git a/rcloud-gist-service/build.gradle b/rcloud-gist-service/build.gradle new file mode 100644 index 0000000..0c38a52 --- /dev/null +++ b/rcloud-gist-service/build.gradle @@ -0,0 +1,65 @@ + +ext.serviceInstallPath = '/opt/rcloud-gist-service' +ext.installPath = serviceInstallPath + '/' + archivesBaseName +ext.jarPath = installPath + '/' + archivesBaseName + '-' + project.version + '.jar' +ext.initPath = '/etc/init.d/' + archivesBaseName +project.description = "RCloud Gist service providing gist access api." +ext.projectVendor = "TBD" +ext.projectUrl = "TBD" +ext.projectPackageGroup = "TBD" +ext.buildId = new Date().format('yyyyMMddHHmmss') + +dependencies { + compile 'org.springframework.boot:spring-boot-starter' + compile 'org.springframework.boot:spring-boot-starter-actuator' + //compile 'org.springframework.boot:spring-boot-starter-undertow' + compile 'org.springframework.boot:spring-boot-starter-web' + compile 'org.springframework.cloud:spring-cloud-starter' + compile 'org.springframework.cloud:spring-cloud-starter-zuul' + compile 'com.eclipsesource.minimal-json:minimal-json:0.9.4' + + + testCompile 'junit:junit:4.11' + testCompile 'org.mockito:mockito-all:1.10.8' + testCompile 'org.springframework.boot:spring-boot-starter-test' + +} + + +ospackage { + packageName = archivesBaseName + version = project.version.replaceAll("-", ".") + release = buildId + arch = NOARCH + os = LINUX + user = "rcloudgist" + group = "rcloudgist" + summary = "RCloud Gist Service" + vendor = projectVendor + packageDescription = description + packageGroup = projectPackageGroup + url = projectUrl + type = BINARY + + //preInstall file('src/main/rpm/scripts/preInstall.sh') + + into(installPath) + + from(jar.outputs.files) { + fileMode 0500 + } + + from('src/main/rpm/home') { + fileType CONFIG | NOREPLACE + rename { String fileName -> + if(fileName.equals("service.conf")) { + fileName.replace('service', project.name + "-" + project.version) + } else { + fileName + } + } + } + link(initPath, jarPath) +} + +assemble.dependsOn distRpm diff --git a/rcloud-gist-service/src/main/java/com/mangosolutions/rcloud/gists/Application.java b/rcloud-gist-service/src/main/java/com/mangosolutions/rcloud/gists/Application.java new file mode 100644 index 0000000..7e148a8 --- /dev/null +++ b/rcloud-gist-service/src/main/java/com/mangosolutions/rcloud/gists/Application.java @@ -0,0 +1,15 @@ +package com.mangosolutions.rcloud.gists; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.cloud.netflix.zuul.EnableZuulProxy; + +@SpringBootApplication +@EnableZuulProxy +public class Application { + + public static void main(String[] args) { + SpringApplication.run(Application.class, args); + } + +} diff --git a/rcloud-gist-service/src/main/java/com/mangosolutions/rcloud/gists/GistsServiceConfiguration.java b/rcloud-gist-service/src/main/java/com/mangosolutions/rcloud/gists/GistsServiceConfiguration.java new file mode 100644 index 0000000..318642e --- /dev/null +++ b/rcloud-gist-service/src/main/java/com/mangosolutions/rcloud/gists/GistsServiceConfiguration.java @@ -0,0 +1,27 @@ +package com.mangosolutions.rcloud.gists; + +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; + +import com.mangosolutions.rcloud.gists.filters.HeaderUrlRewritingFilter; +import com.mangosolutions.rcloud.gists.filters.JsonContentUrlRewritingFilter; +import com.netflix.zuul.ZuulFilter; + +/** + * Main Spring configuration + * + */ +@Configuration +public class GistsServiceConfiguration { + + @Bean + public ZuulFilter getUrlRewritingFilter() { + return new HeaderUrlRewritingFilter(); + } + + @Bean + public ZuulFilter getJsonContentUrlRewritingFilter() { + return new JsonContentUrlRewritingFilter(); + } + +} diff --git a/rcloud-gist-service/src/main/java/com/mangosolutions/rcloud/gists/filters/HeaderUrlRewritingFilter.java b/rcloud-gist-service/src/main/java/com/mangosolutions/rcloud/gists/filters/HeaderUrlRewritingFilter.java new file mode 100644 index 0000000..8713512 --- /dev/null +++ b/rcloud-gist-service/src/main/java/com/mangosolutions/rcloud/gists/filters/HeaderUrlRewritingFilter.java @@ -0,0 +1,119 @@ +package com.mangosolutions.rcloud.gists.filters; + +import static com.google.common.base.Preconditions.checkNotNull; +import static com.google.common.collect.Collections2.filter; + +import java.net.MalformedURLException; +import java.net.URL; +import java.util.Collection; +import java.util.Map; + +import org.apache.commons.lang3.StringUtils; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import com.google.common.base.Objects; +import com.google.common.base.Predicate; +import com.google.common.base.Throwables; +import com.google.common.collect.ImmutableSet; +import com.netflix.util.Pair; +import com.netflix.zuul.ZuulFilter; +import com.netflix.zuul.context.RequestContext; + +public final class HeaderUrlRewritingFilter extends ZuulFilter { + + private static final Logger log = LoggerFactory.getLogger(HeaderUrlRewritingFilter.class); + + private static final ImmutableSet DEFAULT_WHITELIST = ImmutableSet.of("Link", "Location"); + + private final ImmutableSet whitelist = DEFAULT_WHITELIST; + + + + @Override + public String filterType() { + return "post"; + } + + @Override + public int filterOrder() { + return 100; + } + + @Override + public boolean shouldFilter() { + return containsHeaders(RequestContext.getCurrentContext()); + } + + private static boolean containsHeaders(final RequestContext context) { + assert context != null; + return !context.getZuulResponseHeaders().isEmpty(); + } + + @Override + public Object run() { + try { + rewriteHeaders(RequestContext.getCurrentContext(), this.whitelist); + } catch (final Exception e) { + Throwables.propagate(e); + } + return null; + } + + private static void rewriteHeaders(final RequestContext context, final Collection whitelist) { + assert context != null; + ZuulRequestUrlResolver resolver = new ZuulRequestUrlResolver(); + String zuulUrl = resolver.getZuulServiceUrl(context); + String targetUrl = resolver.getProxiedServiceUrl(context); + if(StringUtils.isNotBlank(zuulUrl) & StringUtils.isNotBlank(targetUrl)) { + filterHeaders(context, whitelist, zuulUrl, targetUrl); + } + } + + private static void filterHeaders(final RequestContext context, final Collection whitelist, + String originUrl, String targetUrl) { + for (final Pair header : context.getZuulResponseHeaders()) { + if (caseInsensitiveContains(whitelist, header.first())) { + header.setSecond(header.second().replace(targetUrl, originUrl)); + log.debug("Rewrote header: {} to {}", header.first(), header.second() ); + } + } + } + + + + private static boolean caseInsensitiveContains(final Collection collection, final String value) { + return !filter(collection, new CaseInsensitiveEqualityPredicate(value)).isEmpty(); + } + + private static class CaseInsensitiveEqualityPredicate implements Predicate { + + private final String referenceValue; + + public CaseInsensitiveEqualityPredicate(final String referenceValue) { + this.referenceValue = checkNotNull(referenceValue); + } + + @Override + public boolean apply(final String input) { + return this.referenceValue.equalsIgnoreCase(input); + } + + @Override + public boolean equals(final Object obj) { + if (obj == this) { + return true; + } + if (obj instanceof CaseInsensitiveEqualityPredicate) { + final @SuppressWarnings("unchecked") CaseInsensitiveEqualityPredicate that = (CaseInsensitiveEqualityPredicate) obj; + return Objects.equal(this.referenceValue, that.referenceValue); + } + return false; + } + + @Override + public int hashCode() { + return Objects.hashCode(this.referenceValue); + } + } +} diff --git a/rcloud-gist-service/src/main/java/com/mangosolutions/rcloud/gists/filters/JsonContentUrlRewritingFilter.java b/rcloud-gist-service/src/main/java/com/mangosolutions/rcloud/gists/filters/JsonContentUrlRewritingFilter.java new file mode 100644 index 0000000..ca5488d --- /dev/null +++ b/rcloud-gist-service/src/main/java/com/mangosolutions/rcloud/gists/filters/JsonContentUrlRewritingFilter.java @@ -0,0 +1,127 @@ +package com.mangosolutions.rcloud.gists.filters; + +import java.util.LinkedList; +import java.util.List; +import java.util.Queue; + +import org.apache.commons.lang3.StringUtils; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.util.InvalidMimeTypeException; +import org.springframework.util.MimeType; +import org.springframework.util.MimeTypeUtils; + +import com.eclipsesource.json.Json; +import com.eclipsesource.json.JsonArray; +import com.eclipsesource.json.JsonObject.Member; +import com.eclipsesource.json.JsonValue; +import com.eclipsesource.json.WriterConfig; +import com.netflix.util.Pair; +import com.netflix.zuul.ZuulFilter; +import com.netflix.zuul.context.RequestContext; + +public class JsonContentUrlRewritingFilter extends ZuulFilter { + + private static final Logger logger = LoggerFactory.getLogger(JsonContentUrlRewritingFilter.class); + + @Override + public String filterType() { + return "post"; + } + + @Override + public int filterOrder() { + return 100; + } + + @Override + public boolean shouldFilter() { + return isJsonContent(RequestContext.getCurrentContext()); + } + + private boolean isJsonContent(RequestContext currentContext) { + if (isJsonResponseContentType(currentContext.getZuulResponseHeaders())) { + return true; + } + return false; + } + + private boolean isJsonResponseContentType(List> zuulResponseHeaders) { + for (Pair header : zuulResponseHeaders) { + String name = header.first(); + if (StringUtils.equalsIgnoreCase("Content-Type", name)) { + String value = header.second(); + try { + MimeType mimeType = MimeTypeUtils.parseMimeType(value); + return mimeType.isCompatibleWith(MimeTypeUtils.APPLICATION_JSON); + } catch (InvalidMimeTypeException e) { + logger.warn("Could not parse {} as a valid mimetype", value); + } + } + } + return false; + } + + @Override + public Object run() { + logger.debug("Running"); + RequestContext context = RequestContext.getCurrentContext(); + ZuulResponseContent zuulContent = new ZuulResponseContent(context); + + String content = zuulContent.getContent(); + if (StringUtils.isNotEmpty(content)) { + content = replaceUrls(context, content); + zuulContent.setContent(content); + } + return null; + } + + private String replaceUrls(RequestContext context, String body) { + + JsonValue jsonRoot = Json.parse(body); + Queue jsonValues = new LinkedList<>(); + jsonValues.add(jsonRoot); + JsonValue value = null; + ZuulRequestUrlResolver resolver = new ZuulRequestUrlResolver(); + String zuulUrl = resolver.getZuulServiceUrl(context); + String targetUrl = resolver.getProxiedServiceUrl(context); + + while ((value = jsonValues.poll()) != null) { + if (value.isArray()) { + JsonArray jsonArray = value.asArray(); + for(int i = 0; i < jsonArray.size(); i++) { + JsonValue arrayValue = jsonArray.get(i); + if(arrayValue.isString()) { + String arrayValueString = arrayValue.asString(); + if(arrayValueString.startsWith(targetUrl)) { + arrayValueString = arrayValueString.replace(targetUrl, zuulUrl); + jsonArray.set(i, arrayValueString); + } + } else { + jsonValues.add(arrayValue); + } + } + } else if (value.isObject()) { + for (Member member : value.asObject()) { + String name = member.getName(); + JsonValue memberValue = member.getValue(); + if (memberValue.isString()) { + String memberString = member.getValue().asString(); + if(memberString.startsWith(targetUrl)) { + memberString = memberString.replace(targetUrl, zuulUrl); + value.asObject().set(name, memberString); + } + + + } else { + jsonValues.add(memberValue); + } + } + } + } + + return jsonRoot.toString(WriterConfig.PRETTY_PRINT); + + } + +} diff --git a/rcloud-gist-service/src/main/java/com/mangosolutions/rcloud/gists/filters/ZuulRequestUrlResolver.java b/rcloud-gist-service/src/main/java/com/mangosolutions/rcloud/gists/filters/ZuulRequestUrlResolver.java new file mode 100644 index 0000000..a189245 --- /dev/null +++ b/rcloud-gist-service/src/main/java/com/mangosolutions/rcloud/gists/filters/ZuulRequestUrlResolver.java @@ -0,0 +1,62 @@ +package com.mangosolutions.rcloud.gists.filters; + +import java.net.MalformedURLException; +import java.net.URL; +import java.util.Map; + +import org.apache.commons.lang3.StringUtils; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import com.netflix.zuul.context.RequestContext; + +public class ZuulRequestUrlResolver { + + private static final Logger logger = LoggerFactory.getLogger(ZuulRequestUrlResolver.class); + + public String getProxiedServiceUrl(RequestContext context) { + return context.getRouteHost().toString(); + } + + public String getZuulServiceUrl(RequestContext context) { + Map zuulRequestHeaders = context.getZuulRequestHeaders(); + + String protocol = null; + String host = null; + int port = -1; + + for (Map.Entry entry : zuulRequestHeaders.entrySet()) { + if (StringUtils.isNotBlank(protocol) && StringUtils.isNotBlank(host)) { + break; + } + if ("x-forwarded-host".equals(entry.getKey())) { + host = entry.getValue(); + if (host.contains(":")) { + String[] hp = host.split(":"); + host = hp[0]; + try { + port = Integer.valueOf(hp[1]); + } catch (NumberFormatException e) { + // ignore + } + } + } + if ("x-forwarded-proto".equals(entry.getKey())) { + protocol = entry.getValue(); + } + if ("x-forwarded-port".equals(entry.getKey())) { + port = Integer.valueOf(entry.getValue()); + } + } + + try { + URL url = new URL(protocol, host, port, ""); + return url.toString(); + } catch (MalformedURLException e) { + logger.warn("Could not convert parameters to a URL protocol: {}, host: {}, port: {}", protocol, host, port); + } + + return null; + } + +} diff --git a/rcloud-gist-service/src/main/java/com/mangosolutions/rcloud/gists/filters/ZuulResponseContent.java b/rcloud-gist-service/src/main/java/com/mangosolutions/rcloud/gists/filters/ZuulResponseContent.java new file mode 100644 index 0000000..09c98e1 --- /dev/null +++ b/rcloud-gist-service/src/main/java/com/mangosolutions/rcloud/gists/filters/ZuulResponseContent.java @@ -0,0 +1,68 @@ +package com.mangosolutions.rcloud.gists.filters; + +import java.io.IOException; +import java.io.InputStream; + +import org.apache.commons.io.IOUtils; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import com.netflix.zuul.context.RequestContext; + +/** + * Resolves the content of a response going through Zuul + * + */ +public class ZuulResponseContent { + + private static final Logger logger = LoggerFactory.getLogger(ZuulResponseContent.class); + + private RequestContext context; + + public ZuulResponseContent(RequestContext context) { + this.context = context; + } + + public String getContent() { + String content = context.getResponseBody(); + if (content == null) { + content = getBodyFromStream(context); + } + return content; + } + + public void clearContent() { + if(context.getResponseDataStream() != null) { + IOUtils.closeQuietly(context.getResponseDataStream()); + } + context.setResponseDataStream(null); + context.setResponseBody(null); + } + + public void setContent(String content) { + this.clearContent(); + context.setResponseBody(content); + } + + private String getBodyFromStream(RequestContext context) { + InputStream bodyStream = context.getResponseDataStream(); + if (bodyStream != null) { + return extractAndReplaceBody(context, bodyStream); + } + return null; + } + + private String extractAndReplaceBody(RequestContext context, InputStream bodyStream) { + String body = null; + try { + body = IOUtils.toString(bodyStream); + InputStream newBodyStream = IOUtils.toInputStream(body, "UTF-8"); + context.setResponseDataStream(newBodyStream); + } catch (IOException e) { + logger.warn("Could not extract body.", e); + } finally { + IOUtils.closeQuietly(bodyStream); + } + return body; + } +} diff --git a/rcloud-gist-service/src/main/resources/META-INF/spring/.gitkeep b/rcloud-gist-service/src/main/resources/META-INF/spring/.gitkeep new file mode 100644 index 0000000..e69de29 diff --git a/rcloud-gist-service/src/main/resources/application.yml b/rcloud-gist-service/src/main/resources/application.yml new file mode 100644 index 0000000..c42d544 --- /dev/null +++ b/rcloud-gist-service/src/main/resources/application.yml @@ -0,0 +1,23 @@ +server: + port: 13010 + +management: + port: 13011 + +info: + version: 1.0.0 + stage: dev + +spring: + application: + name: gateway-service + cloud: + config: + enabled: false + + +zuul: + routes: + repos: + path: /** + url: https://api.github.com diff --git a/rcloud-gist-service/src/main/resources/logback-spring.xml b/rcloud-gist-service/src/main/resources/logback-spring.xml new file mode 100644 index 0000000..b3c3317 --- /dev/null +++ b/rcloud-gist-service/src/main/resources/logback-spring.xml @@ -0,0 +1,11 @@ + + + + + + + + + + diff --git a/rcloud-gist-service/src/test/resources/logback.xml b/rcloud-gist-service/src/test/resources/logback.xml new file mode 100644 index 0000000..2cca0ae --- /dev/null +++ b/rcloud-gist-service/src/test/resources/logback.xml @@ -0,0 +1,11 @@ + + + + + + + + + + \ No newline at end of file diff --git a/settings.gradle b/settings.gradle new file mode 100644 index 0000000..23e343e --- /dev/null +++ b/settings.gradle @@ -0,0 +1,3 @@ +rootProject.name = 'rcloud-gist-service' + +include 'rcloud-gist-service'