mirror of https://github.com/friendica/friendica
Use OCR to fetch text in images
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16b12e1545
commit
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@ -75,7 +75,8 @@
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"npm-asset/moment": "^2.24",
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"npm-asset/perfect-scrollbar": "0.6.16",
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"npm-asset/textcomplete": "^0.18.2",
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"npm-asset/typeahead.js": "^0.11.1"
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"npm-asset/typeahead.js": "^0.11.1",
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"thiagoalessio/tesseract_ocr": "^2.13"
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},
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"suggest": {
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"ext-imagick": "For faster image processing",
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@ -4,7 +4,7 @@
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"Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
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"This file is @generated automatically"
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],
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"content-hash": "082b16e2c88895f1a03d5b0ffe678ba7",
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"content-hash": "131ca83d1c6f64092ff5220e4a14a101",
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"packages": [
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{
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"name": "asika/simple-console",
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@ -1317,6 +1317,24 @@
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"html",
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"markdown"
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],
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"funding": [
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{
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"url": "https://www.colinodell.com/sponsor",
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"type": "custom"
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},
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{
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"url": "https://www.paypal.me/colinpodell/10.00",
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"type": "custom"
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},
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{
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"url": "https://github.com/colinodell",
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"type": "github"
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},
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{
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"url": "https://www.patreon.com/colinodell",
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"type": "patreon"
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}
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],
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"time": "2020-07-01T00:34:03+00:00"
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},
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{
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@ -4224,6 +4242,50 @@
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],
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"time": "2023-01-26T09:26:14+00:00"
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},
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{
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"name": "thiagoalessio/tesseract_ocr",
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"version": "2.13.0",
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"source": {
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"type": "git",
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"url": "https://github.com/thiagoalessio/tesseract-ocr-for-php.git",
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"reference": "232a8cb9d571992f9bd1e263f2f6909cf6c173a1"
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},
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"dist": {
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"type": "zip",
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"url": "https://api.github.com/repos/thiagoalessio/tesseract-ocr-for-php/zipball/232a8cb9d571992f9bd1e263f2f6909cf6c173a1",
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"reference": "232a8cb9d571992f9bd1e263f2f6909cf6c173a1",
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"shasum": ""
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},
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"require": {
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"php": "^5.3 || ^7.0 || ^8.0"
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},
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"require-dev": {
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"phpunit/php-code-coverage": "^2.2.4 || ^9.0.0"
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},
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"type": "library",
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"autoload": {
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"psr-4": {
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"thiagoalessio\\TesseractOCR\\": "src/"
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}
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},
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"notification-url": "https://packagist.org/downloads/",
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"license": [
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"MIT"
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],
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"authors": [
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{
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"name": "thiagoalessio",
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"email": "thiagoalessio@me.com"
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}
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],
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"description": "A wrapper to work with Tesseract OCR inside PHP.",
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"keywords": [
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"OCR",
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"Tesseract",
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"text recognition"
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],
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"time": "2023-10-05T21:14:48+00:00"
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},
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{
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"name": "ua-parser/uap-php",
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"version": "v3.9.14",
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@ -208,13 +208,17 @@ class Media
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$filetype = !empty($media['mimetype']) ? strtolower(current(explode('/', $media['mimetype']))) : '';
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if (($media['type'] == self::IMAGE) || ($filetype == 'image')) {
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$imagedata = Images::getInfoFromURLCached($media['url']);
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$imagedata = Images::getInfoFromURLCached($media['url'], empty($media['description']));
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if ($imagedata) {
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$media['mimetype'] = $imagedata['mime'];
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$media['size'] = $imagedata['size'];
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$media['width'] = $imagedata[0];
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$media['height'] = $imagedata[1];
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$media['blurhash'] = $imagedata['blurhash'] ?? null;
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if (!empty($imagedata['description']) && empty($media['description'])) {
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$media['description'] = $imagedata['description'];
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Logger::debug('Detected text for image', $media);
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}
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} else {
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Logger::notice('No image data', ['media' => $media]);
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}
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@ -22,10 +22,12 @@
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namespace Friendica\Util;
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use Friendica\Core\Logger;
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use Friendica\Core\System;
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use Friendica\DI;
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use Friendica\Model\Photo;
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use Friendica\Network\HTTPClient\Client\HttpClientAccept;
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use Friendica\Object\Image;
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use thiagoalessio\TesseractOCR\TesseractOCR;
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/**
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* Image utilities
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@ -181,10 +183,11 @@ class Images
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* Gets info array from given URL, cached data has priority
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*
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* @param string $url
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* @param bool $ocr
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* @return array Info
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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public static function getInfoFromURLCached(string $url): array
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public static function getInfoFromURLCached(string $url, bool $ocr = false): array
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{
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$data = [];
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@ -192,12 +195,12 @@ class Images
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return $data;
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}
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$cacheKey = 'getInfoFromURL:' . sha1($url);
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$cacheKey = 'getInfoFromURL:' . sha1($url . $ocr);
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$data = DI::cache()->get($cacheKey);
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if (empty($data) || !is_array($data)) {
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$data = self::getInfoFromURL($url);
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$data = self::getInfoFromURL($url, $ocr);
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DI::cache()->set($cacheKey, $data);
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}
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@ -209,10 +212,11 @@ class Images
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* Gets info from URL uncached
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*
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* @param string $url
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* @param bool $ocr
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* @return array Info array
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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public static function getInfoFromURL(string $url): array
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public static function getInfoFromURL(string $url, bool $ocr = false): array
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{
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$data = [];
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@ -257,6 +261,17 @@ class Images
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if ($image->isValid()) {
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$data['blurhash'] = $image->getBlurHash();
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if ($ocr && DI::config()->get('system', 'tesseract_ocr')) {
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$ocr = new TesseractOCR();
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try {
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$ocr->tempDir(System::getTempPath());
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$ocr->imageData($img_str, strlen($img_str));
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$data['description'] = $ocr->run();
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} catch (\Throwable $th) {
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Logger::info('Error calling TesseractOCR', ['message' => $th->getMessage()]);
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}
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}
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}
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$data['size'] = $filesize;
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@ -441,6 +441,10 @@ return [
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// Don't show smilies.
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'no_smilies' => false,
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// tesseract_ocr (Boolean)
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// Use Tesseract OCR to use OCR to fetch text from images
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'tesseract_ocr' => false,
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// optimize_all_tables (Boolean)
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// Optimizes all tables instead of only tables like workerqueue or the cache
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'optimize_all_tables' => false,
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