dataconnect: improve gradle plugin errors when the version of the cli…

… is not found (#6333)

firebase-dataconnect/gradleplugin/plugin/src/main/kotlin/com/google/firebase/dataconnect/gradle/plugin/DataConnectDslExtension.kt

@@ -89,9 +89,6 @@ abstract class DataConnectDslExtension @Inject constructor(objectFactory: Object
     var version: String?
     var file: File?
     var regularFile: RegularFile?
-    var fileSizeInBytes: Long?
-    var sha512DigestHex: String?
-    var verificationEnabled: Boolean
   }
 
   private class DataConnectExecutableBuilderImpl(initialValues: DataConnectExecutable?) :
@@ -121,29 +118,16 @@ abstract class DataConnectDslExtension @Inject constructor(objectFactory: Object
         _regularFile = value
       }
 
-    override var fileSizeInBytes: Long? = null
-    override var sha512DigestHex: String? = null
-    override var verificationEnabled: Boolean = true
-
     fun updateFrom(info: DataConnectExecutable.File) {
       file = info.file
-      updateFrom(info.verificationInfo)
     }
 
     fun updateFrom(info: DataConnectExecutable.RegularFile) {
       regularFile = info.file
-      updateFrom(info.verificationInfo)
     }
 
     fun updateFrom(info: DataConnectExecutable.Version) {
       version = info.version
-      updateFrom(info.verificationInfo)
-    }
-
-    fun updateFrom(info: DataConnectExecutable.VerificationInfo?) {
-      verificationEnabled = info !== null
-      fileSizeInBytes = info?.fileSizeInBytes
-      sha512DigestHex = info?.sha512DigestHex
     }
 
     init {
@@ -159,9 +143,6 @@ abstract class DataConnectDslExtension @Inject constructor(objectFactory: Object
       val version = version
       val file = file
       val regularFile = regularFile
-      val fileSizeInBytes = fileSizeInBytes
-      val sha512DigestHex = sha512DigestHex
-      val verificationEnabled = verificationEnabled
 
       if (version === null && file === null && regularFile === null) {
         return null
@@ -195,41 +176,12 @@ abstract class DataConnectDslExtension @Inject constructor(objectFactory: Object
         )
       }
 
-      val verificationInfo: DataConnectExecutable.VerificationInfo? =
-        if (!verificationEnabled) {
-          null
-        } else if (fileSizeInBytes === null && sha512DigestHex === null) {
-          if (version !== null) {
-            DataConnectExecutable.VerificationInfo.forVersion(version)
-          } else {
-            throw DataConnectGradleException(
-              "8s9venv4ch",
-              "Both 'fileSizeInBytes' and 'sha512DigestHex' were null" +
-                " but _both_ must be set when verificationEnabled==true" +
-                " and file!=null or regularFile!=null" +
-                " (file=$file regularFile=$regularFile)"
-            )
-          }
-        } else if (fileSizeInBytes === null || sha512DigestHex === null) {
-          throw DataConnectGradleException(
-            "gjzykv9pqq",
-            "Both 'fileSizeInBytes' and 'sha512DigestHex' have to be set or both unset" +
-              " when verificationEnabled==true, but one of them was set and the other was not" +
-              " (fileSizeInBytes=$fileSizeInBytes, sha512DigestHex=$sha512DigestHex)"
-          )
-        } else {
-          DataConnectExecutable.VerificationInfo(
-            fileSizeInBytes = fileSizeInBytes,
-            sha512DigestHex = sha512DigestHex,
-          )
-        }
-
       return if (version !== null) {
-        DataConnectExecutable.Version(version = version, verificationInfo = verificationInfo)
+        DataConnectExecutable.Version(version = version)
       } else if (file !== null) {
-        DataConnectExecutable.File(file = file, verificationInfo = verificationInfo)
+        DataConnectExecutable.File(file = file)
       } else if (regularFile !== null) {
-        DataConnectExecutable.RegularFile(file = regularFile, verificationInfo = verificationInfo)
+        DataConnectExecutable.RegularFile(file = regularFile)
       } else {
         throw DataConnectGradleException(
           "yg49q5nzxt",

firebase-dataconnect/gradleplugin/plugin/src/main/kotlin/com/google/firebase/dataconnect/gradle/plugin/DataConnectExecutable.kt

@@ -16,65 +16,27 @@
 package com.google.firebase.dataconnect.gradle.plugin
 
 import java.io.InputStream
-import java.io.Serializable
 import kotlinx.serialization.ExperimentalSerializationApi
 import kotlinx.serialization.json.Json
 import kotlinx.serialization.json.decodeFromStream
 
-// The following command was used to generate the `serialVersionUID` constants for each class.
-// serialver -classpath \
-//   plugin/build/classes/kotlin/main:$(find $HOME/.gradle/wrapper/dists -name
-// gradle-core-api-8.5.jar -printf '%p:') \
-// com.google.firebase.dataconnect.gradle.plugin.DataConnectExecutableInput\${VerificationInfo,File,RegularFile,Version}
-
 sealed interface DataConnectExecutable {
 
-  data class VerificationInfo(val fileSizeInBytes: Long, val sha512DigestHex: String) :
-    Serializable {
-
-    companion object {
-      fun forVersion(version: String): VerificationInfo {
-        val versions = VersionsJson.load().versions
-        val versionInfo =
-          versions[version]
-            ?: throw DataConnectGradleException(
-              "3svd27ch8y",
-              "File size and SHA512 digest is not known for version: $version"
-            )
-        return VerificationInfo(versionInfo.size, versionInfo.sha512DigestHex)
-      }
-    }
-  }
+  data class File(val file: java.io.File) : DataConnectExecutable
 
-  data class File(val file: java.io.File, val verificationInfo: VerificationInfo?) :
-    DataConnectExecutable
+  data class RegularFile(val file: org.gradle.api.file.RegularFile) : DataConnectExecutable
 
-  data class RegularFile(
-    val file: org.gradle.api.file.RegularFile,
-    val verificationInfo: VerificationInfo?
-  ) : DataConnectExecutable
-
-  data class Version(val version: String, val verificationInfo: VerificationInfo?) :
-    DataConnectExecutable {
+  data class Version(val version: String) : DataConnectExecutable {
     companion object {
-
-      private val defaultVersion: String
-        get() = VersionsJson.load().default
-
-      fun forVersionWithDefaultVerificationInfo(version: String): Version {
-        val verificationInfo = DataConnectExecutable.VerificationInfo.forVersion(version)
-        return Version(version, verificationInfo)
-      }
-
-      fun forDefaultVersionWithDefaultVerificationInfo(): Version =
-        forVersionWithDefaultVerificationInfo(defaultVersion)
+      val default: Version
+        get() = Version(VersionsJson.load().default)
     }
   }
 
   @OptIn(ExperimentalSerializationApi::class)
   object VersionsJson {
 
-    private const val RESOURCE_PATH =
+    const val RESOURCE_PATH =
       "com/google/firebase/dataconnect/gradle/plugin/DataConnectExecutableVersions.json"
 
     fun load(): Root = openFile().use { Json.decodeFromStream<Root>(it) }

firebase-dataconnect/gradleplugin/plugin/src/main/kotlin/com/google/firebase/dataconnect/gradle/plugin/DataConnectExecutableDownloadTask.kt

@@ -15,7 +15,6 @@
  */
 package com.google.firebase.dataconnect.gradle.plugin
 
-import com.google.firebase.dataconnect.gradle.plugin.DataConnectExecutable.VerificationInfo
 import java.io.File
 import java.net.HttpURLConnection
 import java.net.URL
@@ -24,6 +23,8 @@ import java.util.regex.Pattern
 import kotlin.time.Duration.Companion.seconds
 import kotlin.time.DurationUnit
 import kotlin.time.toDuration
+import kotlinx.serialization.encodeToString
+import kotlinx.serialization.json.Json
 import org.gradle.api.DefaultTask
 import org.gradle.api.file.DirectoryProperty
 import org.gradle.api.file.RegularFileProperty
@@ -41,8 +42,6 @@ abstract class DataConnectExecutableDownloadTask : DefaultTask() {
 
   @get:Input @get:Optional abstract val version: Property<String>
 
-  @get:Input @get:Optional abstract val verificationInfo: Property<VerificationInfo>
-
   @get:Internal abstract val buildDirectory: DirectoryProperty
 
   @get:OutputFile abstract val outputFile: RegularFileProperty
@@ -51,13 +50,11 @@ abstract class DataConnectExecutableDownloadTask : DefaultTask() {
   fun run() {
     val inputFile: File? = inputFile.orNull?.asFile
     val version: String? = version.orNull
-    val verificationInfo: VerificationInfo? = verificationInfo.orNull
     val buildDirectory: File = buildDirectory.get().asFile
     val outputFile: File = outputFile.get().asFile
 
     logger.info("inputFile: {}", inputFile)
     logger.info("version: {}", version)
-    logger.info("verificationInfo: {}", verificationInfo)
     logger.info("buildDirectory: {}", buildDirectory)
     logger.info("outputFile: {}", outputFile)
 
@@ -75,37 +72,76 @@ abstract class DataConnectExecutableDownloadTask : DefaultTask() {
       runWithFile(inputFile = inputFile, outputFile = outputFile)
     } else if (version !== null) {
       runWithVersion(version = version, outputFile = outputFile)
+      verifyOutputFile(outputFile, version)
     } else {
       throw DataConnectGradleException(
         "chc94cq7vx",
         "Neither 'inputFile' nor 'version' were specified," +
           " but exactly _one_ of them is required to be specified"
       )
     }
-
-    if (verificationInfo !== null) {
-      verifyOutputFile(outputFile, verificationInfo)
-    }
   }
 
-  private fun verifyOutputFile(outputFile: File, verificationInfo: VerificationInfo) {
+  private fun verifyOutputFile(outputFile: File, version: String) {
     logger.info("Verifying file size and SHA512 digest of file: {}", outputFile)
     val fileInfo = FileInfo.forFile(outputFile)
-    if (fileInfo.sizeInBytes != verificationInfo.fileSizeInBytes) {
-      throw DataConnectGradleException(
-        "zjdpbsjv42",
-        "File $outputFile has an unexpected size (in bytes): actual=" +
+
+    val verificationInfoJsonString =
+      jsonPrettyPrint.encodeToString(
+        DataConnectExecutable.VersionsJson.VerificationInfo(
+          size = fileInfo.sizeInBytes,
+          sha512DigestHex = fileInfo.sha512DigestHex,
+        )
+      )
+
+    val verificationInfoByVersion = DataConnectExecutable.VersionsJson.load().versions
+    val verificationInfo = verificationInfoByVersion[version]
+    if (verificationInfo === null) {
+      val message =
+        "verification information for ${outputFile.absolutePath}" +
+          " (version $version) is not known; known versions are: " +
+          verificationInfoByVersion.keys.sorted().joinToString(", ")
+      logger.error("ERROR: $message")
+      logger.error(
+        "To update ${DataConnectExecutable.VersionsJson.RESOURCE_PATH} with" +
+          " information about this version, add this JSON blob: $verificationInfoJsonString"
+      )
+      throw DataConnectGradleException("ym8assbfgw", message)
+    }
+
+    val verificationErrors = mutableListOf<String>()
+    if (fileInfo.sizeInBytes != verificationInfo.size) {
+      logger.error(
+        "ERROR: File ${outputFile.absolutePath} has an unexpected size (in bytes): actual is " +
           fileInfo.sizeInBytes.toStringWithThousandsSeparator() +
-          " expected=" +
-          verificationInfo.fileSizeInBytes.toStringWithThousandsSeparator()
+          " but expected " +
+          verificationInfo.size.toStringWithThousandsSeparator()
       )
-    } else if (fileInfo.sha512DigestHex != verificationInfo.sha512DigestHex) {
-      throw DataConnectGradleException(
-        "3yyma4dqga",
-        "File $outputFile has an unexpected SHA512 digest:" +
-          " actual=${fileInfo.sha512DigestHex} expected=${verificationInfo.sha512DigestHex}"
+      verificationErrors.add("file size mismatch")
+    }
+    if (fileInfo.sha512DigestHex != verificationInfo.sha512DigestHex) {
+      logger.error(
+        "ERROR: File ${outputFile.absolutePath} has an unexpected SHA512 digest:" +
+          " actual is ${fileInfo.sha512DigestHex}" +
+          " but expected ${verificationInfo.sha512DigestHex}"
       )
+      verificationErrors.add("SHA512 digest mismatch")
+    }
+
+    if (verificationErrors.isEmpty()) {
+      logger.info("Verifying file size and SHA512 digest succeeded")
+      return
     }
+
+    logger.error(
+      "To update ${DataConnectExecutable.VersionsJson.RESOURCE_PATH} with" +
+        " information about this version, add this JSON blob: $verificationInfoJsonString"
+    )
+
+    throw DataConnectGradleException(
+      "x9dfwhjr9c",
+      "Verification of ${outputFile.absolutePath} failed: ${verificationErrors.joinToString(", ")}"
+    )
   }
 
   data class FileInfo(val sizeInBytes: Long, val sha512DigestHex: String) {
@@ -199,4 +235,8 @@ abstract class DataConnectExecutableDownloadTask : DefaultTask() {
       }
     }
   }
+
+  private companion object {
+    val jsonPrettyPrint = Json { prettyPrint = true }
+  }
 }

firebase-dataconnect/gradleplugin/plugin/src/main/kotlin/com/google/firebase/dataconnect/gradle/plugin/DataConnectGradlePlugin.kt

@@ -110,17 +110,6 @@ abstract class DataConnectGradlePlugin : Plugin<Project> {
               }
             )
           )
-          verificationInfo.set(
-            dataConnectExecutable.map(
-              TransformerInterop {
-                when (it) {
-                  is DataConnectExecutable.File -> it.verificationInfo
-                  is DataConnectExecutable.RegularFile -> it.verificationInfo
-                  is DataConnectExecutable.Version -> it.verificationInfo
-                }
-              }
-            )
-          )
           outputFile.set(
             dataConnectExecutable.map {
               when (it) {

firebase-dataconnect/gradleplugin/plugin/src/main/kotlin/com/google/firebase/dataconnect/gradle/plugin/DataConnectLocalSettings.kt

@@ -29,9 +29,9 @@ class DataConnectLocalSettings(project: Project) {
       ) { settingName, settingValue, project ->
         if (settingName == KEY_DATA_CONNECT_EXECUTABLE_FILE) {
           val regularFile = project.layout.projectDirectory.file(settingValue)
-          DataConnectExecutable.RegularFile(regularFile, verificationInfo = null)
+          DataConnectExecutable.RegularFile(regularFile)
         } else if (settingName == KEY_DATA_CONNECT_EXECUTABLE_VERSION) {
-          DataConnectExecutable.Version.forVersionWithDefaultVerificationInfo(settingValue)
+          DataConnectExecutable.Version(settingValue)
         } else {
           throw IllegalStateException(
             "fileValue==null && versionValue==null (error code rbhmsd524t)"

firebase-dataconnect/gradleplugin/plugin/src/main/kotlin/com/google/firebase/dataconnect/gradle/plugin/DataConnectProviders.kt

@@ -35,11 +35,11 @@ class DataConnectProviders(
     val fileValueFromGradleProperty: Provider<DataConnectExecutable> =
       project.providers.gradleProperty(fileGradlePropertyName).map {
         val regularFile = project.layout.projectDirectory.file(it)
-        DataConnectExecutable.RegularFile(regularFile, verificationInfo = null)
+        DataConnectExecutable.RegularFile(regularFile)
       }
     val versionValueFromGradleProperty: Provider<DataConnectExecutable> =
       project.providers.gradleProperty(versionGradlePropertyName).map {
-        DataConnectExecutable.Version.forVersionWithDefaultVerificationInfo(it)
+        DataConnectExecutable.Version(it)
       }
     val valueFromVariant: Provider<DataConnectExecutable> = variantExtension.dataConnectExecutable
     val valueFromProject: Provider<DataConnectExecutable> =
@@ -50,7 +50,7 @@ class DataConnectProviders(
       .orElse(versionValueFromGradleProperty)
       .orElse(valueFromVariant)
       .orElse(valueFromProject)
-      .orElse(DataConnectExecutable.Version.forDefaultVersionWithDefaultVerificationInfo())
+      .orElse(DataConnectExecutable.Version.default)
   }
 
   val postgresConnectionUrl: Provider<String> = run {