Support SVG (#3883)

* Update add-file.ts

* Update package.json

* Revert "Update add-file.ts"

This reverts commit ba0fe83b54a44493447208dfb3cc304a60df6fdd.

* Update add-file.ts

* Update package.json

* Update add-file.ts

* Update add-file.ts

* Create image.svg

* Update api.ts

package.json

@@ -43,6 +43,7 @@
 		"@types/gulp-uglify": "3.0.6",
 		"@types/gulp-util": "3.0.34",
 		"@types/is-root": "1.0.0",
+		"@types/is-svg": "3.0.0",
 		"@types/is-url": "1.2.28",
 		"@types/js-yaml": "3.11.4",
 		"@types/katex": "0.5.0",
@@ -136,6 +137,7 @@
 		"http-signature": "1.2.0",
 		"insert-text-at-cursor": "0.1.1",
 		"is-root": "2.0.0",
+		"is-svg": "3.0.0",
 		"is-url": "1.2.4",
 		"js-yaml": "3.12.0",
 		"jsdom": "13.1.0",

src/services/drive/add-file.ts

@@ -4,10 +4,11 @@ import * as fs from 'fs';
 import * as mongodb from 'mongodb';
 import * as crypto from 'crypto';
 import * as debug from 'debug';
-import fileType = require('file-type');
 import * as Minio from 'minio';
 import * as uuid from 'uuid';
 import * as sharp from 'sharp';
+import * as fileType from 'file-type';
+import * as isSvg from 'is-svg';
 
 import DriveFile, { IMetadata, getDriveFileBucket, IDriveFile } from '../../models/drive-file';
 import DriveFolder from '../../models/drive-folder';
@@ -320,6 +321,8 @@ export default async function(
 				const type = fileType(buffer);
 				if (type) {
 					res([type.mime, type.ext]);
+				} else if (isSvg(buffer)) {
+					res(['image/svg+xml', 'svg'])
 				} else {
 					// 種類が同定できなかったら application/octet-stream にする
 					res(['application/octet-stream', null]);

test/api.ts

@@ -808,6 +808,20 @@ describe('API', () => {
 
 			expect(res).have.status(400);
 		}));
+
+		it('SVGファイルを作成できる', async(async () => {
+			const izumi = await signup({ username: 'izumi' });
+
+			const res = await assert.request(server)
+				.post('/drive/files/create')
+				.field('i', izumi.token)
+				.attach('file', fs.readFileSync(__dirname + '/resources/image.svg'), 'image.svg');
+
+			expect(res).have.status(200);
+			expect(res.body).be.a('object');
+			expect(res.body).have.property('name').eql('image.svg');
+			expect(res.body).have.property('type').eql('image/svg+xml');
+		}));
 	});
 
 	describe('drive/files/update', () => {