1 files changed, 262 insertions, 0 deletions
diff --git a/build/integration/features/bootstrap/Avatar.php b/build/integration/features/bootstrap/Avatar.php
new file mode 100644
index 00000000000..beebf1c024a
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+++ b/build/integration/features/bootstrap/Avatar.php
@@ -0,0 +1,262 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+use Behat\Gherkin\Node\TableNode;
+use PHPUnit\Framework\Assert;
+
+require __DIR__ . '/../../vendor/autoload.php';
+
+trait Avatar {
+	/** @var string * */
+	private $lastAvatar;
+
+	/** @AfterScenario **/
+	public function cleanupLastAvatar() {
+		$this->lastAvatar = null;
+	}
+
+	private function getLastAvatar() {
+		$this->lastAvatar = '';
+
+		$body = $this->response->getBody();
+		while (!$body->eof()) {
+			$this->lastAvatar .= $body->read(8192);
+		}
+		$body->close();
+	}
+
+	/**
+	 * @When user :user gets avatar for user :userAvatar
+	 *
+	 * @param string $user
+	 * @param string $userAvatar
+	 */
+	public function userGetsAvatarForUser(string $user, string $userAvatar) {
+		$this->userGetsAvatarForUserWithSize($user, $userAvatar, '128');
+	}
+
+	/**
+	 * @When user :user gets avatar for user :userAvatar with size :size
+	 *
+	 * @param string $user
+	 * @param string $userAvatar
+	 * @param string $size
+	 */
+	public function userGetsAvatarForUserWithSize(string $user, string $userAvatar, string $size) {
+		$this->asAn($user);
+		$this->sendingToDirectUrl('GET', '/index.php/avatar/' . $userAvatar . '/' . $size);
+		$this->theHTTPStatusCodeShouldBe('200');
+
+		$this->getLastAvatar();
+	}
+
+	/**
+	 * @When user :user gets avatar for guest :guestAvatar
+	 *
+	 * @param string $user
+	 * @param string $guestAvatar
+	 */
+	public function userGetsAvatarForGuest(string $user, string $guestAvatar) {
+		$this->asAn($user);
+		$this->sendingToDirectUrl('GET', '/index.php/avatar/guest/' . $guestAvatar . '/128');
+		$this->theHTTPStatusCodeShouldBe('201');
+
+		$this->getLastAvatar();
+	}
+
+	/**
+	 * @When logged in user gets temporary avatar
+	 */
+	public function loggedInUserGetsTemporaryAvatar() {
+		$this->loggedInUserGetsTemporaryAvatarWith('200');
+	}
+
+	/**
+	 * @When logged in user gets temporary avatar with :statusCode
+	 *
+	 * @param string $statusCode
+	 */
+	public function loggedInUserGetsTemporaryAvatarWith(string $statusCode) {
+		$this->sendingAToWithRequesttoken('GET', '/index.php/avatar/tmp');
+		$this->theHTTPStatusCodeShouldBe($statusCode);
+
+		$this->getLastAvatar();
+	}
+
+	/**
+	 * @When logged in user posts temporary avatar from file :source
+	 *
+	 * @param string $source
+	 */
+	public function loggedInUserPostsTemporaryAvatarFromFile(string $source) {
+		$file = \GuzzleHttp\Psr7\Utils::streamFor(fopen($source, 'r'));
+
+		$this->sendingAToWithRequesttoken('POST', '/index.php/avatar',
+			[
+				'multipart' => [
+					[
+						'name' => 'files[]',
+						'contents' => $file
+					]
+				]
+			]);
+		$this->theHTTPStatusCodeShouldBe('200');
+	}
+
+	/**
+	 * @When logged in user posts temporary avatar from internal path :path
+	 *
+	 * @param string $path
+	 */
+	public function loggedInUserPostsTemporaryAvatarFromInternalPath(string $path) {
+		$this->sendingAToWithRequesttoken('POST', '/index.php/avatar?path=' . $path);
+		$this->theHTTPStatusCodeShouldBe('200');
+	}
+
+	/**
+	 * @When logged in user crops temporary avatar
+	 *
+	 * @param TableNode $crop
+	 */
+	public function loggedInUserCropsTemporaryAvatar(TableNode $crop) {
+		$this->loggedInUserCropsTemporaryAvatarWith('200', $crop);
+	}
+
+	/**
+	 * @When logged in user crops temporary avatar with :statusCode
+	 *
+	 * @param string $statusCode
+	 * @param TableNode $crop
+	 */
+	public function loggedInUserCropsTemporaryAvatarWith(string $statusCode, TableNode $crop) {
+		$parameters = [];
+		foreach ($crop->getRowsHash() as $key => $value) {
+			$parameters[] = 'crop[' . $key . ']=' . $value;
+		}
+
+		$this->sendingAToWithRequesttoken('POST', '/index.php/avatar/cropped?' . implode('&', $parameters));
+		$this->theHTTPStatusCodeShouldBe($statusCode);
+	}
+
+	/**
+	 * @When logged in user deletes the user avatar
+	 */
+	public function loggedInUserDeletesTheUserAvatar() {
+		$this->sendingAToWithRequesttoken('DELETE', '/index.php/avatar');
+		$this->theHTTPStatusCodeShouldBe('200');
+	}
+
+	/**
+	 * @Then last avatar is a square of size :size
+	 *
+	 * @param string size
+	 */
+	public function lastAvatarIsASquareOfSize(string $size) {
+		[$width, $height] = getimagesizefromstring($this->lastAvatar);
+
+		Assert::assertEquals($width, $height, 'Expected avatar to be a square');
+		Assert::assertEquals($size, $width);
+	}
+
+	/**
+	 * @Then last avatar is not a square
+	 */
+	public function lastAvatarIsNotASquare() {
+		[$width, $height] = getimagesizefromstring($this->lastAvatar);
+
+		Assert::assertNotEquals($width, $height, 'Expected avatar to not be a square');
+	}
+
+	/**
+	 * @Then last avatar is not a single color
+	 */
+	public function lastAvatarIsNotASingleColor() {
+		Assert::assertEquals(null, $this->getColorFromLastAvatar());
+	}
+
+	/**
+	 * @Then last avatar is a single :color color
+	 *
+	 * @param string $color
+	 * @param string $size
+	 */
+	public function lastAvatarIsASingleColor(string $color) {
+		$expectedColor = $this->hexStringToRgbColor($color);
+		$colorFromLastAvatar = $this->getColorFromLastAvatar();
+
+		Assert::assertTrue($this->isSameColor($expectedColor, $colorFromLastAvatar),
+			$this->rgbColorToHexString($colorFromLastAvatar) . ' does not match expected ' . $color);
+	}
+
+	private function hexStringToRgbColor($hexString) {
+		// Strip initial "#"
+		$hexString = substr($hexString, 1);
+
+		$rgbColorInt = hexdec($hexString);
+
+		// RGBA hex strings are not supported; the given string is assumed to be
+		// an RGB hex string.
+		return [
+			'red' => ($rgbColorInt >> 16) & 0xFF,
+			'green' => ($rgbColorInt >> 8) & 0xFF,
+			'blue' => $rgbColorInt & 0xFF,
+			'alpha' => 0
+		];
+	}
+
+	private function rgbColorToHexString($rgbColor) {
+		$rgbColorInt = ($rgbColor['red'] << 16) + ($rgbColor['green'] << 8) + ($rgbColor['blue']);
+
+		return '#' . str_pad(strtoupper(dechex($rgbColorInt)), 6, '0', STR_PAD_LEFT);
+	}
+
+	private function getColorFromLastAvatar() {
+		$image = imagecreatefromstring($this->lastAvatar);
+
+		$firstPixelColorIndex = imagecolorat($image, 0, 0);
+		$firstPixelColor = imagecolorsforindex($image, $firstPixelColorIndex);
+
+		for ($i = 0; $i < imagesx($image); $i++) {
+			for ($j = 0; $j < imagesx($image); $j++) {
+				$currentPixelColorIndex = imagecolorat($image, $i, $j);
+				$currentPixelColor = imagecolorsforindex($image, $currentPixelColorIndex);
+
+				// The colors are compared with a small allowed delta, as even
+				// on solid color images the resizing can cause some small
+				// artifacts that slightly modify the color of certain pixels.
+				if (!$this->isSameColor($firstPixelColor, $currentPixelColor)) {
+					imagedestroy($image);
+
+					return null;
+				}
+			}
+		}
+
+		imagedestroy($image);
+
+		return $firstPixelColor;
+	}
+
+	private function isSameColor(array $firstColor, array $secondColor, int $allowedDelta = 1) {
+		if ($this->isSameColorComponent($firstColor['red'], $secondColor['red'], $allowedDelta)
+			&& $this->isSameColorComponent($firstColor['green'], $secondColor['green'], $allowedDelta)
+			&& $this->isSameColorComponent($firstColor['blue'], $secondColor['blue'], $allowedDelta)
+			&& $this->isSameColorComponent($firstColor['alpha'], $secondColor['alpha'], $allowedDelta)) {
+			return true;
+		}
+
+		return false;
+	}
+
+	private function isSameColorComponent(int $firstColorComponent, int $secondColorComponent, int $allowedDelta) {
+		if ($firstColorComponent >= ($secondColorComponent - $allowedDelta)
+			&& $firstColorComponent <= ($secondColorComponent + $allowedDelta)) {
+			return true;
+		}
+
+		return false;
+	}
+}