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.gitignore

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# Ignore Gradle project-specific cache directory
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.gradle
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# Ignore Gradle build output directory
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build

.travis.yml

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language: java
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jdk:
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- openjdk8
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- openjdk11
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before_script:
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- chmod +x gradlew
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script:
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- ./gradlew check
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- ./gradlew jacocoTestReport
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after_success:
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- bash <(curl -s https://codecov.io/bash)

LICENSE

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Apache License
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Version 2.0, January 2004
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http://www.apache.org/licenses/
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TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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END OF TERMS AND CONDITIONS

README.md

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# SVG SECURITY
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> Simple and lightweight library that helps to validate SVG files in security manners.
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![Travis (.org)](https://img.shields.io/travis/bgalek/safe-svg.svg?style=flat-square)
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![Codecov](https://img.shields.io/codecov/c/github/bgalek/safe-svg.svg?style=flat-square)
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![GitHub Release Date](https://img.shields.io/github/release-date/bgalek/safe-svg.svg?style=flat-square)
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![Libraries.io dependency status for GitHub repo](https://img.shields.io/librariesio/github/bgalek/safe-svg.svg?style=flat-square)
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It will help you in detecting malicious content inside uploaded SVGs.
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## Are you aware that SVG can cause XSS?
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Read [https://sekurak.pl/pozwalasz-ladowac-pliki-svg-masz-xss-a/](https://sekurak.pl/pozwalasz-ladowac-pliki-svg-masz-xss-a/) for more details.
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## Example
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Try to upload this SVG into your application, if it passes through and user can browse this file - probably You are venerable to XSS attack.
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```xml
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<?xml version="1.0" standalone="no"?>
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<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
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<svg version="1.1" baseProfile="full" xmlns="http://www.w3.org/2000/svg">
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<polygon id="triangle" points="0,0 0,50 50,0" fill="#009900" stroke="#004400"/>
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<script type="text/javascript">
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alert('Hello, world!');
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</script>
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</svg>
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```
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## Usage
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Add library dependency:
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```groovy
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compile "com.github.bgalek.security.svg:safe-svg:1.0.0"
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```
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You can use this library to check uploaded svg files
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```java
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String svg = "<?xml version=\"1.0\" standalone=\"no\"?>\n" +
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"<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n" +
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"<svg version=\"1.1\" baseProfile=\"full\" xmlns=\"http://www.w3.org/2000/svg\">\n" +
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"<polygon id=\"triangle\" points=\"0,0 0,50 50,0\" fill=\"#009900\" stroke=\"#004400\"/>\n" +
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"<script type=\"text/javascript\">\n" +
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"alert('Hello, world!');\n" +
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"</script>\n" +
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"</svg>";
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ValidationResult validation = svgSecurityValidator.validate(svg);
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if (validation.hasViolations()) {
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throw new RuntimeException("this file is suspicious" + validation.getOffendingElements());
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}
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```

build.gradle.kts

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plugins {
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id("pl.allegro.tech.build.axion-release") version "1.10.0"
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`java-library`
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`maven-publish`
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signing
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jacoco
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}
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repositories {
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mavenCentral()
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}
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dependencies {
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implementation("com.googlecode.owasp-java-html-sanitizer:owasp-java-html-sanitizer:20181114.1")
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testImplementation("org.junit.jupiter:junit-jupiter:5.4.0")
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}
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group = "com.github.bgalek.security.svg"
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version = scmVersion.version
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tasks {
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jar {
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manifest {
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attributes(mapOf("Implementation-Title" to project.name, "Implementation-Version" to project.version))
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}
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}
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}
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tasks.withType<Test> {
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useJUnitPlatform()
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testLogging {
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events("passed", "skipped", "failed")
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}
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}
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tasks.register<Jar>("sourcesJar") {
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from(sourceSets.main.get().allJava)
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archiveClassifier.set("sources")
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}
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tasks.register<Jar>("javadocJar") {
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from(tasks.javadoc)
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archiveClassifier.set("javadoc")
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}
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jacoco {
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toolVersion = "0.8.2"
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reportsDir = file("$buildDir/reports/jacoco")
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}
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tasks.jacocoTestReport {
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reports {
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xml.isEnabled = true
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xml.destination = file("$buildDir/reports/jacoco/report.xml")
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csv.isEnabled = false
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html.isEnabled = false
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}
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}
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publishing {
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publications {
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create<MavenPublication>("sonatype") {
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artifactId = "safe-svg"
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from(components["java"])
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artifact(tasks["sourcesJar"])
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artifact(tasks["javadocJar"])
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versionMapping {
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usage("java-api") {
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fromResolutionOf("runtimeClasspath")
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}
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usage("java-runtime") {
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fromResolutionResult()
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}
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}
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pom {
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name.set("safe-svg")
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description.set("Simple and lightweight library that helps to validate SVG files in security manners.")
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url.set("https://github.com/bgalek/safe-svg/")
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licenses {
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license {
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name.set("The Apache License, Version 2.0")
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url.set("http://www.apache.org/licenses/LICENSE-2.0.txt")
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}
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}
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developers {
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developer {
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id.set("bgalek")
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name.set("Bartosz Gałek")
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email.set("[email protected]")
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}
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}
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scm {
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connection.set("scm:git:git://github.com/bgalek/safe-svg.git")
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developerConnection.set("scm:git:ssh://github.com:bgalek/safe-svg.git")
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url.set("https://github.com/bgalek/safe-svg/")
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}
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}
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}
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}
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repositories {
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maven {
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credentials {
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username = project.properties.get("ossrhUsername") as String?
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password = project.properties.get("ossrhPassword") as String?
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}
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val releasesRepoUrl = uri("https://oss.sonatype.org/service/local/staging/deploy/maven2/")
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val snapshotsRepoUrl = uri("https://oss.sonatype.org/content/repositories/snapshots/")
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url = if (version.toString().endsWith("SNAPSHOT")) snapshotsRepoUrl else releasesRepoUrl
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}
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}
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}
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signing {
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useGpgCmd()
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sign(publishing.publications["sonatype"])
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}
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tasks.javadoc {
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if (JavaVersion.current().isJava9Compatible) {
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(options as StandardJavadocDocletOptions).addBooleanOption("html5", true)
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}
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}

gradle/wrapper/gradle-wrapper.jar

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distributionBase=GRADLE_USER_HOME
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distributionPath=wrapper/dists
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distributionUrl=https\://services.gradle.org/distributions/gradle-5.2.1-bin.zip
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zipStoreBase=GRADLE_USER_HOME
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zipStorePath=wrapper/dists

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