Files
odc-analyzer/app/services/OdcService.scala
2017-08-01 16:26:55 +02:00

315 lines
12 KiB
Scala

package services
import java.io.File.separatorChar
import java.io._
import java.lang.{Boolean => JBoolean}
import java.nio.charset.StandardCharsets.UTF_8
import java.nio.file._
import java.nio.file.attribute.BasicFileAttributes
import java.sql.{Array => _}
import java.util.{Properties, Map => JMap}
import _root_.org.apache.commons.lang3.SystemUtils
import _root_.org.owasp.dependencycheck.dependency.{VulnerableSoftware => OdcVulnerableSoftware}
import com.google.inject.Inject
import com.ysoft.odc.{AbstractDependency, GroupedDependency, OdcParser}
import controllers.DependencyCheckReportsParser
import play.api.libs.concurrent.Akka
import play.api.{Application, Logger}
import scala.concurrent.{ExecutionContext, Future}
case class OdcDbConnectionConfig(driverClass: String, driverJar: String, url: String, user: String, password: String)
case class OdcConfig(odcPath: String, extraArgs: Seq[String] = Seq(), workingDirectory: String = ".", propertyFile: Option[String], cleanTmpDir: Boolean = true, dotNetNugetSource: Option[String])
case class SingleLibraryScanResult(mainDependencies: Seq[GroupedDependency], transitiveDependencies: Seq[GroupedDependency], includesTransitive: Boolean, limitationsOption: Option[String])
class OdcService @Inject() (odcConfig: OdcConfig, odcDbConnectionConfig: OdcDbConnectionConfig)(implicit application: Application){
private implicit val executionContext: ExecutionContext = Akka.system.dispatchers.lookup("contexts.odc-workers")
private def suffix = if(SystemUtils.IS_OS_WINDOWS) "bat" else "sh"
private def odcBin = new File(new File(odcConfig.odcPath), "bin"+separatorChar+"dependency-check."+suffix).getAbsolutePath
private def mavenBin = "mvn"
private def nugetBin = "nuget"
private val OutputFormat = "XML"
private val DependencyNotFoundPrefix = "[ERROR] Failed to execute goal on project odc-adhoc-project: Could not resolve dependencies for project com.ysoft:odc-adhoc-project:jar:1.0-SNAPSHOT: Could not find artifact "
private def mavenLogChecks(log: String) = {
if(log.lines contains "[INFO] No dependencies were identified that could be analyzed by dependency-check"){
sys.error("Dependency not identified. Log: "+log)
}
for(missingDependencyMessage <- log.lines.find(_.startsWith(DependencyNotFoundPrefix))){
val missingDependency = missingDependencyMessage.drop(DependencyNotFoundPrefix.length).takeWhile(_ != ' ')
throw DependencyNotFoundException(missingDependency)
}
}
def scanMaven(groupId: String, artifactId: String, version: String): Future[SingleLibraryScanResult] = scanInternal(
createOdcCommand = createMavenOdcCommand,
isMainLibraryOption = Some(_.identifiers.exists(id => id.identifierType == "maven" && id.name == s"$groupId:$artifactId:$version")),
logChecks = mavenLogChecks
){ dir =>
val pomXml = <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.ysoft</groupId>
<artifactId>odc-adhoc-project</artifactId>
<version>1.0-SNAPSHOT</version>
<build>
<plugins>
<plugin>
<groupId>org.owasp</groupId>
<artifactId>dependency-check-maven</artifactId>
<configuration>
<outputDirectory>{"${outputDirectory}"}</outputDirectory>
</configuration>
<executions>
<execution>
<goals>
<goal>check</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>{groupId}</groupId>
<artifactId>{artifactId}</artifactId>
<version>{version}</version>
</dependency>
</dependencies>
</project>
Files.write(dir.resolve("pom.xml"), pomXml.toString.getBytes(UTF_8))
}
def scanDotNet(packageName: String, version: String): Future[SingleLibraryScanResult] = scanInternal(
createOdcCommand = createStandardOdcCommand,
isMainLibraryOption = Some(dep =>
(dep.fileName == s"$packageName.dll") ||
(dep.fileName == s"$packageName.$version.nupkg") ||
(dep.fileName == s"$packageName.$version.nupkg: $packageName.nuspec")
),
enableMultipleMainLibraries = true,
limitations = Some("Scans for .NET libraries usually contain multiple DLL variants of the same library, because multiple targets (e.g., .NETFramework 4.0, .NETFramework 4.5, .NETStandard 1.0, Portable Class Library, …) are scanned.")
){dir =>
val packagesConfig = <packages>
<package id={packageName} version={version} />
</packages>
val packagesConfigFile = dir.resolve("..").resolve("packages.config")
Files.write(packagesConfigFile, packagesConfig.toString().getBytes(UTF_8))
val cmd = Seq(
nugetBin,
"restore",
packagesConfigFile.toString,
"-PackagesDirectory",
dir.toString
) ++ odcConfig.dotNetNugetSource.fold(Seq[String]())(source => Seq("-source", source))
val process = new ProcessBuilder(cmd: _*).
directory(new File(odcConfig.workingDirectory)).
redirectErrorStream(true).
start()
val rawLog = consumeStream(process.getInputStream)
val res = process.waitFor()
if(res != 0){
val log = new String(rawLog)
val NotFoundRegex = """Unable to find version '([^']+)' of package '([^']+)'.""".r
log.lines.toStream.head match {
case NotFoundRegex(version, packageName) => throw DependencyNotFoundException(s"$packageName:$version")
case _ => sys.error(s"Bad return code from NuGet: $res. Output: $log")
}
}
}
private def consumeStream(in: InputStream): Array[Byte] = {
val baos = new ByteArrayOutputStream()
val buff = new Array[Byte](1024)
var size: Int = 0
while({size = in.read(buff); size != -1}) {
baos.write(buff, 0, size)
}
baos.toByteArray
}
private def scanInternal(
createOdcCommand: (String, Path, String) => Seq[String] = createStandardOdcCommand,
isMainLibraryOption: Option[AbstractDependency => Boolean],
logChecks: String => Unit = s => (),
enableMultipleMainLibraries: Boolean = false,
limitations: Option[String] = None
)(
f: Path => Unit
): Future[SingleLibraryScanResult] = Future{
withTmpDir { scanDir =>
val scandirPrefix = s"$scanDir$separatorChar"
val reportFilename = s"${scandirPrefix}report.xml"
val path = scanDir.resolve("scanned-dir")
Files.createDirectory(path)
f(path)
val cmd: Seq[String] = createOdcCommand(scandirPrefix, path, reportFilename)
val process = new ProcessBuilder(cmd: _*).
directory(new File(odcConfig.workingDirectory)).
redirectErrorStream(true).
start()
val in = process.getInputStream
// We consume all output in order not to hang; we mix stderr and stdout together
val outArray = consumeStream(in)
val res = process.waitFor()
lazy val log = new String(outArray)
logChecks(log)
if(res != 0){
sys.error(s"Non-zero return value: $res; output: $log")
}
val result = DependencyCheckReportsParser.forAdHocScan(OdcParser.parseXmlReport(Files.readAllBytes(Paths.get(reportFilename))))
result.allDependencies.partition{case (dep, _) =>
isMainLibraryOption.fold(true)(f => f(dep) || dep.relatedDependencies.exists(f))
} match {
case (Seq(), _) => sys.error("No library is selected as the main library")
case (Seq(mainLibrary), otherLibraries) =>
SingleLibraryScanResult(
mainDependencies = Seq(GroupedDependency(Seq(mainLibrary))),
transitiveDependencies = otherLibraries.map(dep => GroupedDependency(Seq(dep))),
includesTransitive = isMainLibraryOption.isDefined,
limitationsOption = limitations
)
case (mainLibraries, otherLibraries) =>
if(enableMultipleMainLibraries) {
SingleLibraryScanResult(
mainDependencies = mainLibraries.map(dep => GroupedDependency(Seq(dep))),
transitiveDependencies = otherLibraries.map(dep => GroupedDependency(Seq(dep))),
includesTransitive = isMainLibraryOption.isDefined,
limitationsOption = limitations
)
} else {
sys.error(s"multiple (${mainLibraries.size}) libraries selected as the main library: "+otherLibraries)
}
}
}
}
private def odcVersion: String = {
import sys.process._
Seq(odcBin, "--version").!!.trim.reverse.takeWhile(_!=' ').reverse
}
private def createHintfulOdcCommand(scandirPrefix: String, path: Path, reportFilename: String): Seq[String] = {
val newPropertyFile = s"${scandirPrefix}odc.properties"
createModifiedProps(newPropertyFile, Map("hints.file" -> s"${scandirPrefix}hints.xml"))
val cmdBase = Seq(
odcBin,
"-s", path.toString,
"--project", "AdHocProject",
"--noupdate",
"-f", OutputFormat,
"-l", s"${scandirPrefix}verbose.log",
"--out", reportFilename,
"-P", newPropertyFile
)
cmdBase ++ odcConfig.extraArgs
}
private def createModifiedProps(newPropertyFile: String, additionalProps: Map[String, String] = Map()) = {
val p = new Properties()
for (origPropFile <- odcConfig.propertyFile) {
val in = new FileInputStream(Paths.get(odcConfig.workingDirectory).resolve(origPropFile).toFile)
try {
p.load(in)
} finally {
in.close()
}
}
import scala.collection.JavaConversions._
p.putAll(dbProps)
p.putAll(additionalProps)
val out = new FileOutputStream(Paths.get(newPropertyFile).toFile)
try {
p.store(out, "no comment")
} finally {
out.close()
}
}
private def createStandardOdcCommand(scandirPrefix: String, path: Path, reportFilename: String): Seq[String] = {
val newPropertyFile = s"${scandirPrefix}odc.properties"
createModifiedProps(newPropertyFile)
val cmdBase = Seq(
odcBin,
"-s", path.toString,
"--project", "AdHocProject",
"--noupdate",
"-f", OutputFormat,
"-l", s"${scandirPrefix}verbose.log",
"--out", reportFilename,
"-P", newPropertyFile.toString
)
cmdBase ++ odcConfig.extraArgs
}
private def createMavenOdcCommand(scandirPrefix: String, path: Path, reportFilename: String): Seq[String] = {
val cmdBase = Seq(
mavenBin,
"--file", s"${path}${separatorChar}pom.xml",
"-X",
"-U", // force update
s"org.owasp:dependency-check-maven:$odcVersion:check",
"-Dautoupdate=false",
s"-Dformat=$OutputFormat",
s"-DlogFile=${scandirPrefix}verbose.log",
s"-DoutputDirectory=$reportFilename"
)
cmdBase ++ propsArgs ++ propsToArgs(dbProps) // TODO: fix credentials leak via /proc
}
private def dbProps = Map(
"data.driver_path" -> odcDbConnectionConfig.driverJar,
"data.driver_name" -> odcDbConnectionConfig.driverClass,
"data.connection_string" -> odcDbConnectionConfig.url,
"data.user" -> odcDbConnectionConfig.user,
"data.password" -> odcDbConnectionConfig.password
)
private def propsToArgs(props: Traversable[(String, String)]): Traversable[String] = for((key, value) <- props) yield s"-D$key=$value"
private def propsArgs = odcConfig.propertyFile.fold(Seq[String]()){ propertyFile =>
val props = new Properties()
val in = new FileInputStream(Paths.get(odcConfig.workingDirectory).resolve(propertyFile).toFile)
try {
props.load(in)
} finally {
in.close()
}
import scala.collection.JavaConversions._
propsToArgs(props.toSeq).toSeq
}
private def withTmpDir[T](f: Path => T): T = {
val tmpDir = Files.createTempDirectory("odc")
try {
f(tmpDir)
} finally {
if(odcConfig.cleanTmpDir){
rmdir(tmpDir)
}else{
Logger.info(s"tmpdir for the scan: $tmpDir")
}
}
}
private def rmdir(dir: Path) = {
Files.walkFileTree(dir, new SimpleFileVisitor[Path] {
override def visitFile(f: Path, basicFileAttributes: BasicFileAttributes): FileVisitResult = {
Files.delete(f)
FileVisitResult.CONTINUE
}
override def postVisitDirectory(dir: Path, e: IOException): FileVisitResult = {
Files.delete(dir)
FileVisitResult.CONTINUE
}
})
}
override def toString = s"OdcService($odcConfig, $executionContext)"
}