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Thumbnails: add a common mode to only retrieve thumbs from popular media websites

This commit is contained in:
ArthurHoaro 2018-07-05 20:29:55 +02:00
parent fcba541e2f
commit b302b3c584
9 changed files with 135 additions and 30 deletions
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6
application/PageBuilder.php
View File

@ -1,6 +1,7 @@
<?php
use Shaarli\Config\ConfigManager;
use Shaarli\Thumbnailer;
/**
* This class is in charge of building the final page.
@ -119,7 +120,10 @@ class PageBuilder
$this->tpl->assign('tags', $this->linkDB->linksCountPerTag());
}
$this->tpl->assign('thumbnails_enabled', $this->conf->get('thumbnails.enabled'));
$this->tpl->assign(
'thumbnails_enabled',
$this->conf->get('thumbnails.mode', Thumbnailer::MODE_NONE) !== Thumbnailer::MODE_NONE
);
$this->tpl->assign('thumbnails_width', $this->conf->get('thumbnails.width'));
$this->tpl->assign('thumbnails_height', $this->conf->get('thumbnails.height'));

54
application/Thumbnailer.php
View File

@ -14,6 +14,27 @@ use WebThumbnailer\Application\ConfigManager as WTConfigManager;
*/
class Thumbnailer
{
const COMMON_MEDIA_DOMAINS = [
'imgur.com',
'flickr.com',
'youtube.com',
'wikimedia.org',
'redd.it',
'gfycat.com',
'media.giphy.com',
'twitter.com',
'twimg.com',
'instagram.com',
'pinterest.com',
'pinterest.fr',
'tumblr.com',
'deviantart.com',
];
const MODE_ALL = 'all';
const MODE_COMMON = 'common';
const MODE_NONE = 'none';
/**
* @var WebThumbnailer instance.
*/
@ -57,13 +78,42 @@ class Thumbnailer
*/
public function get($url)
{
if ($this->conf->get('thumbnails.mode') === self::MODE_COMMON
&& ! $this->isCommonMediaOrImage($url)
) {
return false;
}
try {
return $this->wt->thumbnail($url);
} catch (WebThumbnailerException $e) {
// Exceptions are only thrown in debug mode.
error_log(get_class($e) .': '. $e->getMessage());
return false;
error_log(get_class($e) . ': ' . $e->getMessage());
}
return false;
}
/**
* We check weather the given URL is from a common media domain,
* or if the file extension is an image.
*
* @param string $url to check
*
* @return bool true if it's an image or from a common media domain, false otherwise.
*/
public function isCommonMediaOrImage($url)
{
foreach (self::COMMON_MEDIA_DOMAINS as $domain) {
if (strpos($url, $domain) !== false) {
return true;
}
}
if (endsWith($url, '.jpg') || endsWith($url, '.png') || endsWith($url, '.jpeg')) {
return true;
}
return false;
}
/**

5
application/Updater.php
View File

@ -2,6 +2,7 @@
use Shaarli\Config\ConfigJson;
use Shaarli\Config\ConfigPhp;
use Shaarli\Config\ConfigManager;
use Shaarli\Thumbnailer;
/**
* Class Updater.
@ -497,12 +498,12 @@ class Updater
*/
public function updateMethodWebThumbnailer()
{
if ($this->conf->exists('thumbnails.enabled')) {
if ($this->conf->exists('thumbnails.mode')) {
return true;
}
$thumbnailsEnabled = $this->conf->get('thumbnail.enable_thumbnails', true);
$this->conf->set('thumbnails.enabled', $thumbnailsEnabled);
$this->conf->set('thumbnails.mode', $thumbnailsEnabled ? Thumbnailer::MODE_ALL : Thumbnailer::MODE_NONE);
$this->conf->set('thumbnails.width', 125);
$this->conf->set('thumbnails.height', 90);
$this->conf->remove('thumbnail');

22
index.php
View File

@ -603,7 +603,9 @@ function renderPage($conf, $pluginManager, $LINKSDB, $history, $sessionManager,
// -------- Picture wall
if ($targetPage == Router::$PAGE_PICWALL)
{
if (! $conf->get('thumbnails.enabled')) {
$PAGE->assign('pagetitle', t('Picture wall') .' - '. $conf->get('general.title', 'Shaarli'));
if (! $conf->get('thumbnails.mode', Thumbnailer::MODE_NONE) === Thumbnailer::MODE_NONE) {
$PAGE->assign('linksToDisplay', []);
$PAGE->renderPage('picwall');
exit;
}
@ -630,7 +632,6 @@ function renderPage($conf, $pluginManager, $LINKSDB, $history, $sessionManager,
$PAGE->assign($key, $value);
}
$PAGE->assign('pagetitle', t('Picture wall') .' - '. $conf->get('general.title', 'Shaarli'));
$PAGE->renderPage('picwall');
exit;
}
@ -1013,14 +1014,13 @@ function renderPage($conf, $pluginManager, $LINKSDB, $history, $sessionManager,
$conf->set('api.secret', escape($_POST['apiSecret']));
$conf->set('translation.language', escape($_POST['language']));
$thumbnailsEnabled = extension_loaded('gd') && !empty($_POST['enableThumbnails']);
$conf->set('thumbnails.enabled', $thumbnailsEnabled);
if (! $conf->get('thumbnails.enabled') && $thumbnailsEnabled) {
$thumbnailsMode = extension_loaded('gd') ? $_POST['enableThumbnails'] : Thumbnailer::MODE_NONE;
if ($conf->get('thumbnails.enabled', Thumbnailer::MODE_NONE) !== Thumbnailer::MODE_NONE) {
$_SESSION['warnings'][] = t(
'You have enabled thumbnails. <a href="?do=thumbs_update">Please synchonize them</a>.'
'You have enabled or changed thumbnails mode. <a href="?do=thumbs_update">Please synchonize them</a>.'
);
}
$conf->set('thumbnails.mode', $thumbnailsMode);
try {
$conf->write($loginManager->isLoggedIn());
@ -1061,6 +1061,7 @@ function renderPage($conf, $pluginManager, $LINKSDB, $history, $sessionManager,
$PAGE->assign('languages', Languages::getAvailableLanguages());
$PAGE->assign('language', $conf->get('translation.language'));
$PAGE->assign('gd_enabled', extension_loaded('gd'));
$PAGE->assign('thumbnails_mode', $conf->get('thumbnails.mode', Thumbnailer::MODE_NONE));
$PAGE->assign('pagetitle', t('Configure') .' - '. $conf->get('general.title', 'Shaarli'));
$PAGE->renderPage('configure');
exit;
@ -1162,7 +1163,7 @@ function renderPage($conf, $pluginManager, $LINKSDB, $history, $sessionManager,
$link['title'] = $link['url'];
}
if ($conf->get('thumbnails.enabled')) {
if ($conf->get('thumbnails.mode', Thumbnailer::MODE_NONE) !== Thumbnailer::MODE_NONE) {
$thumbnailer = new Thumbnailer($conf);
$link['thumbnail'] = $thumbnailer->get($url);
}
@ -1606,7 +1607,8 @@ function buildLinkList($PAGE, $LINKSDB, $conf, $pluginManager, $loginManager)
$i = ($page-1) * $_SESSION['LINKS_PER_PAGE'];
$end = $i + $_SESSION['LINKS_PER_PAGE'];
if ($conf->get('thumbnails.enabled')) {
$thumbnailsEnabled = $conf->get('thumbnails.mode', Thumbnailer::MODE_NONE) !== Thumbnailer::MODE_NONE;
if ($thumbnailsEnabled) {
$thumbnailer = new Thumbnailer($conf);
}
@ -1633,7 +1635,7 @@ function buildLinkList($PAGE, $LINKSDB, $conf, $pluginManager, $loginManager)
// Thumbnails enabled, not a note,
// and (never retrieved yet or no valid cache file)
if ($conf->get('thumbnails.enabled') && $link['url'][0] != '?'
if ($thumbnailsEnabled && $link['url'][0] != '?'
&& (! isset($link['thumbnail']) || ($link['thumbnail'] !== false && ! is_file($link['thumbnail'])))
) {
$elem = $LINKSDB[$keys[$i]];

43
tests/ThumbnailerTest.php
View File

@ -25,14 +25,20 @@ class ThumbnailerTest extends TestCase
*/
protected $thumbnailer;
/**
* @var ConfigManager
*/
protected $conf;
public function setUp()
{
$conf = new ConfigManager('tests/utils/config/configJson');
$conf->set('thumbnails.width', self::WIDTH);
$conf->set('thumbnails.height', self::HEIGHT);
$conf->set('dev.debug', true);
$this->conf = new ConfigManager('tests/utils/config/configJson');
$this->conf->set('thumbnails.mode', Thumbnailer::MODE_ALL);
$this->conf->set('thumbnails.width', self::WIDTH);
$this->conf->set('thumbnails.height', self::HEIGHT);
$this->conf->set('dev.debug', true);
$this->thumbnailer = new Thumbnailer($conf);
$this->thumbnailer = new Thumbnailer($this->conf);
// cache files in the sandbox
WTConfigManager::addFile('tests/utils/config/wt.json');
}
@ -43,9 +49,9 @@ class ThumbnailerTest extends TestCase
}
/**
* Test a thumbnail with a custom size.
* Test a thumbnail with a custom size in 'all' mode.
*/
public function testThumbnailValid()
public function testThumbnailAllValid()
{
$thumb = $this->thumbnailer->get('https://github.com/shaarli/Shaarli/');
$this->assertNotFalse($thumb);
@ -54,6 +60,29 @@ class ThumbnailerTest extends TestCase
$this->assertEquals(self::HEIGHT, imagesy($image));
}
/**
* Test a thumbnail with a custom size in 'common' mode.
*/
public function testThumbnailCommonValid()
{
$this->conf->set('thumbnails.mode', Thumbnailer::MODE_COMMON);
$thumb = $this->thumbnailer->get('https://imgur.com/jlFgGpe');
$this->assertNotFalse($thumb);
$image = imagecreatefromstring(file_get_contents($thumb));
$this->assertEquals(self::WIDTH, imagesx($image));
$this->assertEquals(self::HEIGHT, imagesy($image));
}
/**
* Test a thumbnail in 'common' mode which isn't include in common websites.
*/
public function testThumbnailCommonInvalid()
{
$this->conf->set('thumbnails.mode', Thumbnailer::MODE_COMMON);
$thumb = $this->thumbnailer->get('https://github.com/shaarli/Shaarli/');
$this->assertFalse($thumb);
}
/**
* Test a thumbnail that can't be retrieved.
*/

7
tests/Updater/UpdaterTest.php
View File

@ -2,6 +2,7 @@
use Shaarli\Config\ConfigJson;
use Shaarli\Config\ConfigManager;
use Shaarli\Config\ConfigPhp;
use Shaarli\Thumbnailer;
require_once 'tests/Updater/DummyUpdater.php';
require_once 'inc/rain.tpl.class.php';
@ -696,7 +697,7 @@ $GLOBALS[\'privateLinkByDefault\'] = true;';
$updater = new Updater([], [], $this->conf, true, $_SESSION);
$this->assertTrue($updater->updateMethodWebThumbnailer());
$this->assertFalse($this->conf->exists('thumbnail'));
$this->assertTrue($this->conf->get('thumbnails.enabled'));
$this->assertEquals(\Shaarli\Thumbnailer::MODE_ALL, $this->conf->get('thumbnails.mode'));
$this->assertEquals(125, $this->conf->get('thumbnails.width'));
$this->assertEquals(90, $this->conf->get('thumbnails.height'));
$this->assertContains('You have enabled thumbnails', $_SESSION['warnings'][0]);
@ -712,7 +713,7 @@ $GLOBALS[\'privateLinkByDefault\'] = true;';
$updater = new Updater([], [], $this->conf, true, $_SESSION);
$this->assertTrue($updater->updateMethodWebThumbnailer());
$this->assertFalse($this->conf->exists('thumbnail'));
$this->assertFalse($this->conf->get('thumbnails.enabled'));
$this->assertEquals(Thumbnailer::MODE_NONE, $this->conf->get('thumbnails.mode'));
$this->assertEquals(125, $this->conf->get('thumbnails.width'));
$this->assertEquals(90, $this->conf->get('thumbnails.height'));
$this->assertTrue(empty($_SESSION['warnings']));
@ -726,7 +727,7 @@ $GLOBALS[\'privateLinkByDefault\'] = true;';
$updater = new Updater([], [], $this->conf, true, $_SESSION);
$this->assertTrue($updater->updateMethodWebThumbnailer());
$this->assertFalse($this->conf->exists('thumbnail'));
$this->assertTrue($this->conf->get('thumbnails.enabled'));
$this->assertEquals(Thumbnailer::MODE_COMMON, $this->conf->get('thumbnails.mode'));
$this->assertEquals(90, $this->conf->get('thumbnails.width'));
$this->assertEquals(53, $this->conf->get('thumbnails.height'));
$this->assertTrue(empty($_SESSION['warnings']));

2
tests/utils/config/configJson.json.php
View File

@ -76,7 +76,7 @@
"extensions": []
},
"thumbnails": {
"enabled": true,
"mode": "common",
"width": 90,
"height": 53
}

13
tpl/default/configure.html
View File

@ -259,8 +259,17 @@
</div>
<div class="pure-u-lg-{$ratioInput} pure-u-{$ratioInputMobile}">
<div class="form-input">
<input type="checkbox" name="enableThumbnails" id="enableThumbnails"
{if="$thumbnails_enabled"}checked{/if} {if="!$gd_enabled"}disabled{/if} />
<select name="enableThumbnails" id="enableThumbnails" class="align">
<option value="all" {if="$thumbnails_mode=='all'"}selected{/if}>
{'All'|t}
</option>
<option value="common" {if="$thumbnails_mode=='common'"}selected{/if}>
{'Only common media hosts'|t}
</option>
<option value="none" {if="$thumbnails_mode=='none'"}selected{/if}>
{'None'|t}
</option>
</select>
</div>
</div>
</div>

13
tpl/vintage/configure.html
View File

@ -131,8 +131,17 @@
<tr>
<td valign="top"><b>Enable thumbnails</b></td>
<td>
<input type="checkbox" name="enableThumbnails" id="enableThumbnails"
{if="$thumbnails_enabled"}checked{/if} {if="!$gd_enabled"}disabled{/if}>
<select name="enableThumbnails" id="enableThumbnails" class="align">
<option value="all" {if="$thumbnails_mode=='all'"}selected{/if}>
{'All'|t}
</option>
<option value="common" {if="$thumbnails_mode=='common'"}selected{/if}>
{'Only common media hosts'|t}
</option>
<option value="none" {if="$thumbnails_mode=='none'"}selected{/if}>
{'None'|t}
</option>
</select>
<label for="enableThumbnails">
{if="! $gd_enabled"}
{'You need to enable the extension <code>php-gd</code> to use thumbnails.'|t}