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pixelate paste screenshot

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Terrtia 2018-09-18 11:03:40 +02:00
parent 0c63f2f24f
commit f5b648d72a
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2 changed files with 63 additions and 3 deletions
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3
bin/Crawler.py
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@ -47,9 +47,8 @@ def crawl_onion(url, domain, date, date_month):
print(process.stdout.read())
else:
r_onion.sadd('{}_down:{}'.format(type_hidden_service, date), domain)
r_onion.sadd('{}_down_link:{}'.format(type_hidden_service, date), url)
print(process.stdout.read())
exit(0)
else:
## FIXME: # TODO: relaunch docker
exit(0)

63
var/www/modules/showpaste/templates/show_saved_paste.html
View file

@ -423,11 +423,27 @@
{% if crawler_metadata['get_metadata'] %}
<div class="row">
<div class="col-md-7">
<img src="{{ url_for('showsavedpastes.screenshot', filename=crawler_metadata['screenshot']) }}" onError="this.onerror=null;this.src='{{ url_for('static', filename='image/AIL.png') }}';" style="width:100%;" />
<div class="panel panel-info" style="text-align:center;">
<div class="panel-heading">
<div class="row">
<div class="col-md-8">
<input class="center" id="blocks" type="range" min="1" max="50" value="13">
</div>
<div class="col-md-4">
<button class="btn btn-primary btn-tags" onclick="blocks.value=50;pixelate();">
<span class="glyphicon glyphicon-zoom-in"></span>
<span class="label-icon">Full resolution</span>
</button>
</div>
</div>
</div>
</div>
<canvas id="canvas" style="width:100%;"></canvas>
</div>
<div class="col-md-5">
<div class="row">
<br>
<div class="panel panel-default">
<div class="panel-heading">
<i id="flash-tld" class="glyphicon glyphicon-flash " flash-tld=""></i> Graph
@ -574,5 +590,50 @@
{% endfor %}
</script>
<script>
var ctx = canvas.getContext('2d'), img = new Image();
/// turn off image smoothing
ctx.webkitImageSmoothingEnabled = false;
ctx.imageSmoothingEnabled = false;
/// wait until image is actually available
img.onload = pixelate;
var draw_img = false;
img.onError = "img.onerror=null;img.src='{{ url_for('static', filename='image/AIL.png') }}';"
/// some image, we are not struck with CORS restrictions as we
/// do not use pixel buffer to pixelate, so any image will do
img.src = "{{ url_for('showsavedpastes.screenshot', filename=crawler_metadata['screenshot']) }}";
/// MAIN function
function pixelate() {
/// use slider value
if( blocks.value == 50 ){
size = 1;
} else {
var size = (blocks.value) * 0.01;
}
canvas.width = img.width;
canvas.height = img.height;
/// cache scaled width and height
w = canvas.width * size;
h = canvas.height * size;
/// draw original image to the scaled size
ctx.drawImage(img, 0, 0, w, h);
/// then draw that scaled image thumb back to fill canvas
/// As smoothing is off the result will be pixelated
ctx.drawImage(canvas, 0, 0, w, h, 0, 0, canvas.width, canvas.height);
}
/// event listeneners for slider and button
blocks.addEventListener('change', pixelate, false);
</script>
</html>