Handle multi-line secret value

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>
2024-09-13 07:07:16 -04:00 · 2020-11-17 21:38:45 +01:00 · 2020-11-17 21:38:45 +01:00 · 1471dfb80d
commit 1471dfb80d
parent 9c13ff40b3
7 changed files with 409 additions and 39 deletions
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@ -121,6 +121,14 @@ jobs:
            localhost:5000/name/app:1.0.0
          secrets: |
            GIT_AUTH_TOKEN=${{ github.token }}
+            "MYSECRET=aaaaaaaa
+            bbbbbbb
+            ccccccccc"
+            FOO=bar
+            "EMPTYLINE=aaaa
+
+            bbbb
+            ccc"
      -
        name: Inspect
        run: |
--- a/README.md
+++ b/README.md
@ -44,6 +44,8 @@ ___
 * [Customizing](#customizing)
  * [inputs](#inputs)
  * [outputs](#outputs)
+* [Notes](#notes)
+  * [Multi-line secret value](#multi-line-secret-value)
 * [Troubleshooting](#troubleshooting)
 * [Keep up-to-date with GitHub Dependabot](#keep-up-to-date-with-github-dependabot)
 * [Limitation](#limitation)
@ -631,6 +633,36 @@ Following outputs are available
 |---------------|---------|---------------------------------------|
 | `digest`      | String  | Image content-addressable identifier also called a digest |

+## Notes
+
+### Multi-line secret value
+
+To handle multi-line value for a secret, you will need to place the key-value pair between quotes:
+
+```yaml
+secrets: |
+  "MYSECRET=${{ secrets.GPG_KEY }}"
+  GIT_AUTH_TOKEN=abcdefghi,jklmno=0123456789
+  "MYSECRET=aaaaaaaa
+  bbbbbbb
+  ccccccccc"
+  FOO=bar
+  "EMPTYLINE=aaaa
+  
+  bbbb
+  ccc"
+```
+
+| Key                | Value                                            |
+|--------------------|--------------------------------------------------|
+| `MYSECRET`         | `***********************` |
+| `GIT_AUTH_TOKEN`   | `abcdefghi,jklmno=0123456789` |
+| `MYSECRET`         | `aaaaaaaa\nbbbbbbb\nccccccccc` |
+| `FOO`              | `bar` |
+| `EMPTYLINE`        | `aaaa\n\nbbbb\nccc` |
+
+> Note: all quote signs need to be doubled for escaping.
+
 ## Troubleshooting

 See [TROUBLESHOOTING.md](TROUBLESHOOTING.md)
--- a/tests/buildx.test.ts
+++ b/tests/buildx.test.ts
@ -1,9 +1,10 @@
 import * as fs from 'fs';
 import * as path from 'path';
 import * as semver from 'semver';
+
 import * as buildx from '../src/buildx';
-import * as docker from '../src/docker';
 import * as context from '../src/context';
+import * as docker from '../src/docker';

 const tmpNameSync = path.join('/tmp/.docker-build-push-jest', '.tmpname-jest').split(path.sep).join(path.posix.sep);
 const digest = 'sha256:bfb45ab72e46908183546477a08f8867fc40cebadd00af54b071b097aed127a9';
@ -118,15 +119,23 @@ describe('parseVersion', () => {

 describe('getSecret', () => {
  test.each([
-    ['A_SECRET', 'abcdef0123456789'],
-    ['GIT_AUTH_TOKEN', 'abcdefghijklmno=0123456789'],
-    ['MY_KEY', 'c3RyaW5nLXdpdGgtZXF1YWxzCg==']
-  ])('given %p key and %p secret', async (key, secret) => {
-    const secretArgs = await buildx.getSecret(`${key}=${secret}`);
-    console.log(`secretArgs: ${secretArgs}`);
-    expect(secretArgs).toEqual(`id=${key},src=${tmpNameSync}`);
-    const secretContent = await fs.readFileSync(tmpNameSync, 'utf-8');
-    console.log(`secretValue: ${secretContent}`);
-    expect(secretContent).toEqual(secret);
+    ['A_SECRET=abcdef0123456789', 'A_SECRET', 'abcdef0123456789', false],
+    ['GIT_AUTH_TOKEN=abcdefghijklmno=0123456789', 'GIT_AUTH_TOKEN', 'abcdefghijklmno=0123456789', false],
+    ['MY_KEY=c3RyaW5nLXdpdGgtZXF1YWxzCg==', 'MY_KEY', 'c3RyaW5nLXdpdGgtZXF1YWxzCg==', false],
+    ['aaaaaaaa', '', '', true],
+    ['aaaaaaaa=', '', '', true],
+    ['=bbbbbbb', '', '', true]
+  ])('given %p key and %p secret', async (kvp, key, secret, invalid) => {
+    try {
+      const secretArgs = await buildx.getSecret(kvp);
+      expect(true).toBe(!invalid);
+      console.log(`secretArgs: ${secretArgs}`);
+      expect(secretArgs).toEqual(`id=${key},src=${tmpNameSync}`);
+      const secretContent = await fs.readFileSync(tmpNameSync, 'utf-8');
+      console.log(`secretValue: ${secretContent}`);
+      expect(secretContent).toEqual(secret);
+    } catch (err) {
+      expect(true).toBe(invalid);
+    }
  });
 });
--- a/tests/context.test.ts
+++ b/tests/context.test.ts
@ -1,7 +1,115 @@
 import * as fs from 'fs';
 import * as path from 'path';
+
 import * as context from '../src/context';

+const pgp = `-----BEGIN PGP PRIVATE KEY BLOCK-----
+
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+-----END PGP PRIVATE KEY BLOCK-----`;
+
 jest.spyOn(context, 'defaultContext').mockImplementation((): string => {
  return 'https://github.com/docker/build-push-action.git#test-jest';
 });
@ -154,6 +262,74 @@ describe('getArgs', () => {
        '--push',
        'https://github.com/docker/build-push-action.git#heads/master'
      ]
+    ],
+    [
+      '0.4.2',
+      new Map<string, string>([
+        ['context', 'https://github.com/docker/build-push-action.git#heads/master'],
+        ['tag', 'localhost:5000/name/app:latest'],
+        ['platforms', 'linux/amd64,linux/arm64'],
+        ['secrets', `GIT_AUTH_TOKEN=abcdefghi,jklmno=0123456789
+"MYSECRET=aaaaaaaa
+bbbbbbb
+ccccccccc"
+FOO=bar
+"EMPTYLINE=aaaa
+
+bbbb
+ccc"`],
+        ['file', './test/Dockerfile'],
+        ['builder', 'builder-git-context-2'],
+        ['push', 'true']
+      ]),
+      [
+        'buildx',
+        'build',
+        '--platform', 'linux/amd64,linux/arm64',
+        '--iidfile', '/tmp/.docker-build-push-jest/iidfile',
+        '--secret', 'id=GIT_AUTH_TOKEN,src=/tmp/.docker-build-push-jest/.tmpname-jest',
+        '--secret', 'id=MYSECRET,src=/tmp/.docker-build-push-jest/.tmpname-jest',
+        '--secret', 'id=FOO,src=/tmp/.docker-build-push-jest/.tmpname-jest',
+        '--secret', 'id=EMPTYLINE,src=/tmp/.docker-build-push-jest/.tmpname-jest',
+        '--file', './test/Dockerfile',
+        '--builder', 'builder-git-context-2',
+        '--push',
+        'https://github.com/docker/build-push-action.git#heads/master'
+      ]
+    ],
+    [
+      '0.4.2',
+      new Map<string, string>([
+        ['context', 'https://github.com/docker/build-push-action.git#heads/master'],
+        ['tag', 'localhost:5000/name/app:latest'],
+        ['platforms', 'linux/amd64,linux/arm64'],
+        ['secrets', `GIT_AUTH_TOKEN=abcdefghi,jklmno=0123456789
+MYSECRET=aaaaaaaa
+bbbbbbb
+ccccccccc
+FOO=bar
+EMPTYLINE=aaaa
+
+bbbb
+ccc`],
+        ['file', './test/Dockerfile'],
+        ['builder', 'builder-git-context-2'],
+        ['push', 'true']
+      ]),
+      [
+        'buildx',
+        'build',
+        '--platform', 'linux/amd64,linux/arm64',
+        '--iidfile', '/tmp/.docker-build-push-jest/iidfile',
+        '--secret', 'id=GIT_AUTH_TOKEN,src=/tmp/.docker-build-push-jest/.tmpname-jest',
+        '--secret', 'id=MYSECRET,src=/tmp/.docker-build-push-jest/.tmpname-jest',
+        '--secret', 'id=FOO,src=/tmp/.docker-build-push-jest/.tmpname-jest',
+        '--secret', 'id=EMPTYLINE,src=/tmp/.docker-build-push-jest/.tmpname-jest',
+        '--file', './test/Dockerfile',
+        '--builder', 'builder-git-context-2',
+        '--push',
+        'https://github.com/docker/build-push-action.git#heads/master'
+      ]
    ]
  ])(
    'given %p with %p as inputs, returns %p',
@ -172,68 +348,167 @@ describe('getArgs', () => {
 });

 describe('getInputList', () => {
-  it('handles single line correctly', async () => {
+  it('single line correctly', async () => {
    await setInput('foo', 'bar');
    const res = await context.getInputList('foo');
    console.log(res);
    expect(res).toEqual(['bar']);
  });

-  it('handles multiple lines correctly', async () => {
+  it('multiline correctly', async () => {
    setInput('foo', 'bar\nbaz');
    const res = await context.getInputList('foo');
    console.log(res);
    expect(res).toEqual(['bar', 'baz']);
  });

-  it('remove empty lines correctly', async () => {
+  it('empty lines correctly', async () => {
    setInput('foo', 'bar\n\nbaz');
    const res = await context.getInputList('foo');
    console.log(res);
    expect(res).toEqual(['bar', 'baz']);
  });

-  it('handles comma correctly', async () => {
+  it('comma correctly', async () => {
    setInput('foo', 'bar,baz');
    const res = await context.getInputList('foo');
    console.log(res);
    expect(res).toEqual(['bar', 'baz']);
  });

-  it('remove empty result correctly', async () => {
+  it('empty result correctly', async () => {
    setInput('foo', 'bar,baz,');
    const res = await context.getInputList('foo');
    console.log(res);
    expect(res).toEqual(['bar', 'baz']);
  });

-  it('handles different new lines correctly', async () => {
+  it('different new lines correctly', async () => {
    setInput('foo', 'bar\r\nbaz');
    const res = await context.getInputList('foo');
    console.log(res);
    expect(res).toEqual(['bar', 'baz']);
  });

-  it('handles different new lines and comma correctly', async () => {
+  it('different new lines and comma correctly', async () => {
    setInput('foo', 'bar\r\nbaz,bat');
    const res = await context.getInputList('foo');
    console.log(res);
    expect(res).toEqual(['bar', 'baz', 'bat']);
  });

-  it('handles multiple lines and ignoring comma correctly', async () => {
+  it('multiline and ignoring comma correctly', async () => {
    setInput('cache-from', 'user/app:cache\ntype=local,src=path/to/dir');
    const res = await context.getInputList('cache-from', true);
    console.log(res);
    expect(res).toEqual(['user/app:cache', 'type=local,src=path/to/dir']);
  });

-  it('handles different new lines and ignoring comma correctly', async () => {
+  it('different new lines and ignoring comma correctly', async () => {
    setInput('cache-from', 'user/app:cache\r\ntype=local,src=path/to/dir');
    const res = await context.getInputList('cache-from', true);
    console.log(res);
    expect(res).toEqual(['user/app:cache', 'type=local,src=path/to/dir']);
  });
+
+  it('multiline values', async () => {
+    setInput(
+      'secrets',
+      `GIT_AUTH_TOKEN=abcdefgh,ijklmno=0123456789
+"MYSECRET=aaaaaaaa
+bbbbbbb
+ccccccccc"
+FOO=bar`
+    );
+    const res = await context.getInputList('secrets', true);
+    console.log(res);
+    expect(res).toEqual([
+      'GIT_AUTH_TOKEN=abcdefgh,ijklmno=0123456789',
+      `MYSECRET=aaaaaaaa
+bbbbbbb
+ccccccccc`,
+      'FOO=bar'
+    ]);
+  });
+
+  it('multiline values with empty lines', async () => {
+    setInput(
+      'secrets',
+      `GIT_AUTH_TOKEN=abcdefgh,ijklmno=0123456789
+"MYSECRET=aaaaaaaa
+bbbbbbb
+ccccccccc"
+FOO=bar
+"EMPTYLINE=aaaa
+
+bbbb
+ccc"`
+    );
+    const res = await context.getInputList('secrets', true);
+    console.log(res);
+    expect(res).toEqual([
+      'GIT_AUTH_TOKEN=abcdefgh,ijklmno=0123456789',
+      `MYSECRET=aaaaaaaa
+bbbbbbb
+ccccccccc`,
+      'FOO=bar',
+      `EMPTYLINE=aaaa
+
+bbbb
+ccc`
+    ]);
+  });
+
+  it('multiline values without quotes', async () => {
+    setInput(
+      'secrets',
+      `GIT_AUTH_TOKEN=abcdefgh,ijklmno=0123456789
+MYSECRET=aaaaaaaa
+bbbbbbb
+ccccccccc
+FOO=bar`
+    );
+    const res = await context.getInputList('secrets', true);
+    console.log(res);
+    expect(res).toEqual([
+      'GIT_AUTH_TOKEN=abcdefgh,ijklmno=0123456789',
+      'MYSECRET=aaaaaaaa',
+      'bbbbbbb',
+      'ccccccccc',
+      'FOO=bar'
+    ]);
+  });
+
+  it('large multiline values', async () => {
+    setInput(
+      'secrets',
+      `"GPG_KEY=${pgp}"
+FOO=bar`
+    );
+    const res = await context.getInputList('secrets', true);
+    console.log(res);
+    expect(res).toEqual([`GPG_KEY=${pgp}`, 'FOO=bar']);
+  });
+
+  it('multiline values escape quotes', async () => {
+    setInput(
+      'secrets',
+      `GIT_AUTH_TOKEN=abcdefgh,ijklmno=0123456789
+"MYSECRET=aaaaaaaa
+bbbb""bbb
+ccccccccc"
+FOO=bar`
+    );
+    const res = await context.getInputList('secrets', true);
+    console.log(res);
+    expect(res).toEqual([
+      'GIT_AUTH_TOKEN=abcdefgh,ijklmno=0123456789',
+      `MYSECRET=aaaaaaaa
+bbbb\"bbb
+ccccccccc`,
+      'FOO=bar'
+    ]);
+  });
 });

 describe('asyncForEach', () => {
--- a/dist/index.js
+++ b/dist/index.js
@ -4224,9 +4224,9 @@ var __importDefault = (this && this.__importDefault) || function (mod) {
 };
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.parseVersion = exports.getVersion = exports.isAvailable = exports.hasGitAuthToken = exports.isLocalOrTarExporter = exports.getSecret = exports.getImageID = exports.getImageIDFile = void 0;
+const sync_1 = __importDefault(__webpack_require__(750));
 const fs_1 = __importDefault(__webpack_require__(747));
 const path_1 = __importDefault(__webpack_require__(622));
-const sync_1 = __importDefault(__webpack_require__(750));
 const semver = __importStar(__webpack_require__(383));
 const context = __importStar(__webpack_require__(842));
 const exec = __importStar(__webpack_require__(757));
@ -4251,6 +4251,9 @@ function getSecret(kvp) {
        const delimiterIndex = kvp.indexOf('=');
        const key = kvp.substring(0, delimiterIndex);
        const value = kvp.substring(delimiterIndex + 1);
+        if (key.length == 0 || value.length == 0) {
+            throw new Error(`${kvp} is not a valid secret`);
+        }
        const secretFile = context.tmpNameSync({
            tmpdir: context.tmpDir()
        });
@ -4264,7 +4267,7 @@ function isLocalOrTarExporter(outputs) {
        delimiter: ',',
        trim: true,
        columns: false,
-        relax_column_count: true
+        relaxColumnCount: true
    })) {
        // Local if no type is defined
        // https://github.com/docker/buildx/blob/d2bf42f8b4784d83fde17acb3ed84703ddc2156b/build/output.go#L29-L43
@ -12096,8 +12099,12 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
 };
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.asyncForEach = exports.getInputList = exports.getArgs = exports.getInputs = exports.tmpNameSync = exports.tmpDir = exports.defaultContext = void 0;
+const sync_1 = __importDefault(__webpack_require__(750));
 const fs = __importStar(__webpack_require__(747));
 const os = __importStar(__webpack_require__(87));
 const path = __importStar(__webpack_require__(622));
@ -12197,7 +12204,12 @@ function getBuildArgs(inputs, defaultContext, buildxVersion) {
            args.push('--cache-to', cacheTo);
        }));
        yield exports.asyncForEach(inputs.secrets, (secret) => __awaiter(this, void 0, void 0, function* () {
-            args.push('--secret', yield buildx.getSecret(secret));
+            try {
+                args.push('--secret', yield buildx.getSecret(secret));
+            }
+            catch (err) {
+                core.warning(err.message);
+            }
        }));
        if (inputs.githubToken && !buildx.hasGitAuthToken(inputs.secrets) && inputs.context == defaultContext) {
            args.push('--secret', yield buildx.getSecret(`GIT_AUTH_TOKEN=${inputs.githubToken}`));
@ -12234,14 +12246,27 @@ function getCommonArgs(inputs) {
 }
 function getInputList(name, ignoreComma) {
    return __awaiter(this, void 0, void 0, function* () {
+        let res = [];
        const items = core.getInput(name);
        if (items == '') {
-            return [];
+            return res;
        }
-        return items
-            .split(/\r?\n/)
-            .filter(x => x)
-            .reduce((acc, line) => acc.concat(!ignoreComma ? line.split(',').filter(x => x) : line).map(pat => pat.trim()), []);
+        for (let output of (yield sync_1.default(items, {
+            columns: false,
+            relaxColumnCount: true,
+            skipLinesWithEmptyValues: true
+        }))) {
+            if (output.length == 1) {
+                res.push(output[0]);
+                continue;
+            }
+            else if (!ignoreComma) {
+                res.push(...output);
+                continue;
+            }
+            res.push(output.join(','));
+        }
+        return res.filter(item => item);
    });
 }
 exports.getInputList = getInputList;
--- a/src/buildx.ts
+++ b/src/buildx.ts
@ -1,7 +1,8 @@
+import csvparse from 'csv-parse/lib/sync';
 import fs from 'fs';
 import path from 'path';
-import csvparse from 'csv-parse/lib/sync';
 import * as semver from 'semver';
+
 import * as context from './context';
 import * as exec from './exec';

@ -21,6 +22,9 @@ export async function getSecret(kvp: string): Promise<string> {
  const delimiterIndex = kvp.indexOf('=');
  const key = kvp.substring(0, delimiterIndex);
  const value = kvp.substring(delimiterIndex + 1);
+  if (key.length == 0 || value.length == 0) {
+    throw new Error(`${kvp} is not a valid secret`);
+  }
  const secretFile = context.tmpNameSync({
    tmpdir: context.tmpDir()
  });
@ -33,7 +37,7 @@ export function isLocalOrTarExporter(outputs: string[]): Boolean {
    delimiter: ',',
    trim: true,
    columns: false,
-    relax_column_count: true
+    relaxColumnCount: true
  })) {
    // Local if no type is defined
    // https://github.com/docker/buildx/blob/d2bf42f8b4784d83fde17acb3ed84703ddc2156b/build/output.go#L29-L43
--- a/src/context.ts
+++ b/src/context.ts
@ -1,3 +1,4 @@
+import csvparse from 'csv-parse/lib/sync';
 import * as fs from 'fs';
 import * as os from 'os';
 import * as path from 'path';
@ -121,7 +122,11 @@ async function getBuildArgs(inputs: Inputs, defaultContext: string, buildxVersio
    args.push('--cache-to', cacheTo);
  });
  await asyncForEach(inputs.secrets, async secret => {
-    args.push('--secret', await buildx.getSecret(secret));
+    try {
+      args.push('--secret', await buildx.getSecret(secret));
+    } catch (err) {
+      core.warning(err.message);
+    }
  });
  if (inputs.githubToken && !buildx.hasGitAuthToken(inputs.secrets) && inputs.context == defaultContext) {
    args.push('--secret', await buildx.getSecret(`GIT_AUTH_TOKEN=${inputs.githubToken}`));
@ -156,17 +161,29 @@ async function getCommonArgs(inputs: Inputs): Promise<Array<string>> {
 }

 export async function getInputList(name: string, ignoreComma?: boolean): Promise<string[]> {
+  let res: Array<string> = [];
+
  const items = core.getInput(name);
  if (items == '') {
-    return [];
+    return res;
  }
-  return items
-    .split(/\r?\n/)
-    .filter(x => x)
-    .reduce<string[]>(
-      (acc, line) => acc.concat(!ignoreComma ? line.split(',').filter(x => x) : line).map(pat => pat.trim()),
-      []
-    );
+
+  for (let output of (await csvparse(items, {
+    columns: false,
+    relaxColumnCount: true,
+    skipLinesWithEmptyValues: true
+  })) as Array<string[]>) {
+    if (output.length == 1) {
+      res.push(output[0]);
+      continue;
+    } else if (!ignoreComma) {
+      res.push(...output);
+      continue;
+    }
+    res.push(output.join(','));
+  }
+
+  return res.filter(item => item);
 }

 export const asyncForEach = async (array, callback) => {