31 lines
1.0 KiB
PHP
31 lines
1.0 KiB
PHP
<?php
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$img = $_POST['img'];
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$horizontal = intval( $_POST['horizontal'] );
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$vertical = intval( $_POST['vertical'] );
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$bgImage = basename( $_POST['bgImage'], ".jpg");
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$landscape = intval( $_POST['landscape'] );
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function panic( $msg ){
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header("HTTP/1.1 500 Internal Server Error");
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die( $msg );
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}
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if (strpos($img, 'data:image/png;base64') === 0) {
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$img = str_replace('data:image/png;base64,', '', $img);
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$img = str_replace(' ', '+', $img);
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$data = base64_decode($img);
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$file = __DIR__.'/../a4/'.microtime(true).'_'.$bgImage.".png";
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if ( ! file_put_contents($file, $data)) {
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panic("Failed to save canvas");
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}
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}else{
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panic("Not a valid image");
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}
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$output = $return_code = NULL;
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exec( __DIR__."/../page_generator.sh ".escapeshellarg($file)." ".escapeshellarg($horizontal)." ".escapeshellarg($vertical)." ".escapeshellarg($landscape) , $output, $return_code);
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if( 0 === $return_code ){
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$pdf = basename(implode("", $output));
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echo( "https://2020.hackersfest.org/ImageGenerator/a4/".urlencode($pdf) );
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}else{
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panic( implode(" / ", $output ) );
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}
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