Merge pull request #507 from akv-platform/update-oracle-jdk-url-calculation

Update Oracle JDK download URL calculation

Author: nikolai-laevskii

__tests__/distributors/oracle-installer.test.ts

@@ -27,6 +27,11 @@ describe('findPackageForDownload', () => {
       '20',
       'https://download.oracle.com/java/20/latest/jdk-20_{{OS_TYPE}}-x64_bin.{{ARCHIVE_TYPE}}'
     ],
+    [
+      '18',
+      '18',
+      'https://download.oracle.com/java/18/archive/jdk-18_{{OS_TYPE}}-x64_bin.{{ARCHIVE_TYPE}}'
+    ],
     [
       '20.0.1',
       '20.0.1',
@@ -43,7 +48,7 @@ describe('findPackageForDownload', () => {
       'https://download.oracle.com/java/17/archive/jdk-17.0.1_{{OS_TYPE}}-x64_bin.{{ARCHIVE_TYPE}}'
     ]
   ])('version is %s -> %s', async (input, expectedVersion, expectedUrl) => {
-    /* Needed only for this particular test because /latest/ urls tend to change */
+    /* Needed only for this particular test because some urls might change */
     spyHttpClient = jest.spyOn(HttpClient.prototype, 'head');
     spyHttpClient.mockReturnValue(
       Promise.resolve({
@@ -53,6 +58,19 @@ describe('findPackageForDownload', () => {
       })
     );
 
+    /**
+     * NOTE - Should fail to retrieve 18 from latest and check archive instead
+     */
+    if (input === '18') {
+      spyHttpClient.mockReturnValueOnce(
+        Promise.resolve({
+          message: {
+            statusCode: 404
+          }
+        })
+      );
+    }
+
     const result = await distribution['findPackageForDownload'](input);
 
     jest.restoreAllMocks();
@@ -75,7 +93,7 @@ describe('findPackageForDownload', () => {
       jest.spyOn(os, 'arch').mockReturnValue(osArch);
       jest.spyOn(os, 'platform').mockReturnValue('linux');
 
-      const version = '17';
+      const version = '18';
       const distro = new OracleDistribution({
         version,
         architecture: '', // to get default value
@@ -89,7 +107,7 @@ describe('findPackageForDownload', () => {
       }
       const archiveType = getDownloadArchiveExtension();
       const result = await distro['findPackageForDownload'](version);
-      const expectedUrl = `https://download.oracle.com/java/17/latest/jdk-17_${osType}-${distroArch}_bin.${archiveType}`;
+      const expectedUrl = `https://download.oracle.com/java/18/archive/jdk-18_${osType}-${distroArch}_bin.${archiveType}`;
 
       expect(result.url).toBe(expectedUrl);
     }
@@ -102,8 +120,5 @@ describe('findPackageForDownload', () => {
     await expect(distribution['findPackageForDownload']('11')).rejects.toThrow(
       /Oracle JDK is only supported for JDK 17 and later/
     );
-    await expect(distribution['findPackageForDownload']('18')).rejects.toThrow(
-      /Could not find Oracle JDK for SemVer */
-    );
   });
 });

dist/setup/index.js

@@ -103092,27 +103092,33 @@ class OracleDistribution extends base_installer_1.JavaBase {
             }
             const platform = this.getPlatform();
             const extension = util_1.getDownloadArchiveExtension();
-            let major;
-            let fileUrl;
-            if (range.includes('.')) {
-                major = range.split('.')[0];
-                fileUrl = `${ORACLE_DL_BASE}/${major}/archive/jdk-${range}_${platform}-${arch}_bin.${extension}`;
-            }
-            else {
-                major = range;
-                fileUrl = `${ORACLE_DL_BASE}/${range}/latest/jdk-${range}_${platform}-${arch}_bin.${extension}`;
+            const isOnlyMajorProvided = !range.includes('.');
+            const major = isOnlyMajorProvided ? range : range.split('.')[0];
+            const possibleUrls = [];
+            /**
+             * NOTE
+             * If only major version was provided we will check it under /latest first
+             * in order to retrieve the latest possible version if possible,
+             * otherwise we will fall back to /archive where we are guaranteed to
+             * find any version if it exists
+             */
+            if (isOnlyMajorProvided) {
+                possibleUrls.push(`${ORACLE_DL_BASE}/${major}/latest/jdk-${major}_${platform}-${arch}_bin.${extension}`);
             }
+            possibleUrls.push(`${ORACLE_DL_BASE}/${major}/archive/jdk-${range}_${platform}-${arch}_bin.${extension}`);
             if (parseInt(major) < 17) {
                 throw new Error('Oracle JDK is only supported for JDK 17 and later');
             }
-            const response = yield this.http.head(fileUrl);
-            if (response.message.statusCode === http_client_1.HttpCodes.NotFound) {
-                throw new Error(`Could not find Oracle JDK for SemVer ${range}`);
-            }
-            if (response.message.statusCode !== http_client_1.HttpCodes.OK) {
-                throw new Error(`Http request for Oracle JDK failed with status code: ${response.message.statusCode}`);
+            for (const url of possibleUrls) {
+                const response = yield this.http.head(url);
+                if (response.message.statusCode === http_client_1.HttpCodes.OK) {
+                    return { url, version: range };
+                }
+                if (response.message.statusCode !== http_client_1.HttpCodes.NotFound) {
+                    throw new Error(`Http request for Oracle JDK failed with status code: ${response.message.statusCode}`);
+                }
             }
-            return { url: fileUrl, version: range };
+            throw new Error(`Could not find Oracle JDK for SemVer ${range}`);
         });
     }
     getPlatform(platform = process.platform) {

src/distributions/oracle/installer.ts

@@ -65,33 +65,48 @@ export class OracleDistribution extends JavaBase {
 
     const platform = this.getPlatform();
     const extension = getDownloadArchiveExtension();
-    let major;
-    let fileUrl;
-    if (range.includes('.')) {
-      major = range.split('.')[0];
-      fileUrl = `${ORACLE_DL_BASE}/${major}/archive/jdk-${range}_${platform}-${arch}_bin.${extension}`;
-    } else {
-      major = range;
-      fileUrl = `${ORACLE_DL_BASE}/${range}/latest/jdk-${range}_${platform}-${arch}_bin.${extension}`;
+
+    const isOnlyMajorProvided = !range.includes('.');
+    const major = isOnlyMajorProvided ? range : range.split('.')[0];
+
+    const possibleUrls: string[] = [];
+
+    /**
+     * NOTE
+     * If only major version was provided we will check it under /latest first
+     * in order to retrieve the latest possible version if possible,
+     * otherwise we will fall back to /archive where we are guaranteed to
+     * find any version if it exists
+     */
+    if (isOnlyMajorProvided) {
+      possibleUrls.push(
+        `${ORACLE_DL_BASE}/${major}/latest/jdk-${major}_${platform}-${arch}_bin.${extension}`
+      );
     }
 
+    possibleUrls.push(
+      `${ORACLE_DL_BASE}/${major}/archive/jdk-${range}_${platform}-${arch}_bin.${extension}`
+    );
+
     if (parseInt(major) < 17) {
       throw new Error('Oracle JDK is only supported for JDK 17 and later');
     }
 
-    const response = await this.http.head(fileUrl);
+    for (const url of possibleUrls) {
+      const response = await this.http.head(url);
 
-    if (response.message.statusCode === HttpCodes.NotFound) {
-      throw new Error(`Could not find Oracle JDK for SemVer ${range}`);
-    }
+      if (response.message.statusCode === HttpCodes.OK) {
+        return {url, version: range};
+      }
 
-    if (response.message.statusCode !== HttpCodes.OK) {
-      throw new Error(
-        `Http request for Oracle JDK failed with status code: ${response.message.statusCode}`
-      );
+      if (response.message.statusCode !== HttpCodes.NotFound) {
+        throw new Error(
+          `Http request for Oracle JDK failed with status code: ${response.message.statusCode}`
+        );
+      }
     }
 
-    return {url: fileUrl, version: range};
+    throw new Error(`Could not find Oracle JDK for SemVer ${range}`);
   }
 
   public getPlatform(platform: NodeJS.Platform = process.platform): OsVersions {