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- <?php
- /**
- * Insipid
- * Personal web-bookmark-system
- *
- * Copyright 2016-2023 Johannes Keßler
- *
- * Development starting from 2011: Johannes Keßler
- * https://www.bananas-playground.net/projekt/insipid/
- *
- * creator:
- * Luke Reeves <luke@neuro-tech.net>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see http://www.gnu.org/licenses/gpl-3.0.
- *
- */
- /**
- * class Snapshot
- * create from given ULR a Screenshot for storage
- * right now it uses google pagespeedonline.
- */
- class Snapshot {
- /**
- * @var string
- */
- private string $_googlePageSpeed = 'https://www.googleapis.com/pagespeedonline/v5/runPagespeed?url=';
- /**
- * @var string
- */
- private string $_wkhtmltoimageOptions = '--load-error-handling ignore --quality 80 --quiet --width 1900';
- /**
- * Snapshot constructor
- */
- public function __constructor(): void {}
- /**
- * call given url with google PageSpeed API
- * to receive image data
- *
- * @param String $url URL to take a thumbnail from
- * @param string $filename
- * @return boolean
- */
- public function doSnapshot(string $url, string $filename): bool {
- $ret = false;
- if(!empty($url) && is_writable(dirname($filename))) {
- if(DEBUG) {
- Summoner::sysLog("[DEBUG] try to save to $filename with $this->_googlePageSpeed for $url");
- }
- $theCall = Summoner::curlCall($this->_googlePageSpeed.urlencode($url).'&screenshot=true');
- if(!empty($theCall)) {
- $jsonData = json_decode($theCall,true);
- if(DEBUG) {
- Summoner::sysLog("[DEBUG] Call result data: ".var_export($jsonData, true));
- }
- if(!empty($jsonData) && isset($jsonData['lighthouseResult']['audits']['full-page-screenshot']['details']['screenshot']['data'])) {
- $imageData = $jsonData['lighthouseResult']['audits']['full-page-screenshot']['details']['screenshot']['data'];
- $source = fopen($imageData, 'r');
- $destination = fopen($filename, 'w');
- if(stream_copy_to_stream($source, $destination)) {
- $ret = $filename;
- }
- fclose($source);
- fclose($destination);
- } elseif(DEBUG) {
- Summoner::sysLog("[DEBUG] invalid json data. Path ['lighthouseResult']['audits']['full-page-screenshot']['details']['screenshot']['data'] not found in : ".var_export($jsonData, true));
- }
- } elseif(DEBUG) {
- Summoner::sysLog("[DEBUG] curl call failed");
- }
- }
- return $ret;
- }
- /**
- * use configured COMPLETE_PAGE_SCREENSHOT_COMMAND to create a whole page screenshot
- * of the given link and store it locally
- *
- * @TODO: TBD
- *
- * @param String $url URL to take the screenshot from
- * @param string $filename
- * @return boolean
- */
- public function wholePageSnapshot(string $url, string $filename): bool {
- $ret = false;
- require_once 'lib/shellcommand.class.php';
- if(!empty($url) && is_writable(dirname($filename))) {
- $cmd = COMPLETE_PAGE_SCREENSHOT_COMMAND;
- $params = $this->_wkhtmltoimageOptions." ".$url." ".$filename;
- $command = new ShellCommand($cmd." ".$params);
- if ($command->execute()) {
- $ret = $command->getOutput();
- } else {
- Summoner::sysLog($command->getError());
- $ret = $command->getExitCode();
- }
- }
- return $ret;
- }
- }
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