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tesseract OCR support for spamfilters
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@ -824,6 +824,15 @@
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// Set this to true if you're using Linux and you can execute `md5sum` binary.
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$config['gnu_md5'] = false;
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// Use Tesseract OCR to retrieve text from images, so you can use it as a spamfilter.
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$config['tesseract_ocr'] = false;
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// Tesseract parameters
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$config['tesseract_params'] = '';
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// Tesseract preprocess command
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$config['tesseract_preprocess_command'] = 'convert -monochrome %s -';
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// Number of posts in a "View Last X Posts" page
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$config['noko50_count'] = 50;
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// Number of posts a thread needs before it gets a "View Last X Posts" page.
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@ -1015,6 +1024,10 @@
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// Minify Javascript using http://code.google.com/p/minify/.
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$config['minify_js'] = false;
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// Dispatch thumbnail loading and image configuration with JavaScript. It will need a certain javascript
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// code to work.
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$config['javascript_image_dispatch'] = false;
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/*
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* ====================
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* Video embedding
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@ -2695,7 +2695,7 @@ function slugify($post) {
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elseif (isset ($post['body_nomarkup']) && $post['body_nomarkup'])
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$slug = $post['body_nomarkup'];
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elseif (isset ($post['body']) && $post['body'])
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$slug = strip_html($post['body']);
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$slug = strip_tags($post['body']);
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// Fix UTF-8 first
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$slug = mb_convert_encoding($slug, "UTF-8", "UTF-8");
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33
post.php
33
post.php
@ -788,6 +788,34 @@ if (isset($_POST['delete'])) {
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$file['thumbheight'] = $size[1];
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}
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if ($config['tesseract_ocr']) { // Let's OCR it!
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$fname = $file['tmp_name'];
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if ($file['height'] > 500 || $file['width'] > 500) {
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$fname = $file['thumb'];
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}
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if ($fname == 'spoiler') { // We don't have that much CPU time, do we?
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}
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else {
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$tmpname = "tmp/tesseract/".rand(0,10000000);
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// Preprocess command is an ImageMagick b/w quantization
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$error = shell_exec_error(sprintf($config['tesseract_preprocess_command'], escapeshellarg($fname)) . " | " .
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'tesseract stdin '.escapeshellarg($tmpname).' '.$config['tesseract_params']);
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$tmpname .= ".txt";
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$value = @file_get_contents($tmpname);
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@unlink($tmpname);
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if ($value && trim($value)) {
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// This one has an effect, that the body is appended to a post body. So you can write a correct
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// spamfilter.
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$post['body_nomarkup'] .= "<tinyboard ocr image $key>".htmlspecialchars($value)."</tinyboard>";
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}
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}
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}
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if (!isset($dont_copy_file) || !$dont_copy_file) {
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if (isset($file['file_tmp'])) {
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if (!@rename($file['tmp_name'], $file['file']))
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@ -827,6 +855,11 @@ if (isset($_POST['delete'])) {
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}
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}
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// Do filters again if OCRing
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if ($config['tesseract_ocr'] && !hasPermission($config['mod']['bypass_filters'], $board['uri'])) {
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do_filters($post);
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}
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if (!hasPermission($config['mod']['postunoriginal'], $board['uri']) && $config['robot_enable'] && checkRobot($post['body_nomarkup'])) {
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undoImage($post);
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if ($config['robot_mute']) {
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0
tmp/tesseract/.gitkeep
Normal file
0
tmp/tesseract/.gitkeep
Normal file
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