Gyazo script

README.md

1. Change $path and $uri as necessary in gyazo.php and upload it to your server
2. Change HOST and CGI as necessary in script and use it to replace Gyazo.app/Contents/Resources/script (right-click -> Show Package Contents to get there)
3. Continue along as usual

gyazo.php

<?php

// The local path in which images will be stored (change as neceesary).
$path = '/var/www/example.com/i/';

// The URI path at which images will be accessed (change as neceesary).
$uri  = 'http://' . $_SERVER['HTTP_HOST'] . '/i/';

// Get binary image data from HTTP POST.
if(isset($_POST['imagedata']) && strlen($_POST['imagedata'])) {
  $imagedata = $_POST['imagedata'];
}
elseif(isset($_FILES['imagedata']) && is_uploaded_file($_FILES['imagedata']['tmp_name'])) {
  $imagedata = file_get_contents($_FILES['imagedata']['tmp_name']);
}
else {
  error_log("No image data?");
  return;
}

// Generate a unique filename.
do {
//  $filename = substr( md5( $imagedata . $i++ ), -6 ) . '.png';
  $filename = uniqid();
} while (file_exists("{$path}{$filename}.png") || file_exists("{$path}{$filename}.jpg"));

// Compress the image (destroying any alpha transparency).
$image = @imagecreatefromstring($imagedata);
if ($image !== false) {
  $w = imagesx($image);
  $h = imagesy($image);

  imagealphablending($image, false);
  imagesavealpha($image, true);
  imagepng($image, "{$path}{$filename}.png", 9, PNG_ALL_FILTERS);

  $jpeg = imagecreatetruecolor($w, $h);
  $white = imagecolorallocate($jpeg, 255, 255, 255);
  imagefill($jpeg, 0, 0, $white);
  imagealphablending($jpeg, true);
  imagesavealpha($jpeg, false);
  imagecopy($jpeg, $image, 0, 0, 0, 0, $w, $h);
  imagedestroy($image);
  imagejpeg($jpeg, "{$path}{$filename}.jpg", 90);
  imagedestroy($jpeg);
  if (filesize("{$path}{$filename}.jpg") < filesize("{$path}{$filename}.png") * 0.9) {
    unlink("{$path}{$filename}.png");
    echo "{$uri}{$filename}.jpg";
  }
  else {
    unlink("{$path}{$filename}.jpg");
    echo "{$uri}{$filename}.png";
  }
}
else {
  error_log("image create failed");
}

script

#!/usr/bin/env ruby

require 'net/http'

# get id
user = IO.popen("whoami", "r+").gets.chomp
program = ARGV[0].to_s
idfile = "/Users/#{user}/Library/Gyazo/id"
old_idfile = File.dirname(program) + "/gyazo.app/Contents/Resources/id"

id = ''
if File.exist?(idfile) then
  id = File.read(idfile).chomp
elsif File.exist?(old_idfile) then
  id = File.read(old_idfile).chomp
end

# capture png file
tmpfile = "/tmp/image_upload#{$$}.png"
imagefile = ARGV[1]

if imagefile && File.exist?(imagefile) then
  system "sips -s format png \"#{imagefile}\" --out \"#{tmpfile}\""
else
  system "screencapture -i \"#{tmpfile}\""
  if File.exist?(tmpfile) then
    system "sips -d profile --deleteColorManagementProperties \"#{tmpfile}\""  
  end
end

if !File.exist?(tmpfile) then
  exit
end

imagedata = File.read(tmpfile)
File.delete(tmpfile)

# upload
boundary = '----BOUNDARYBOUNDARY----'

HOST = 'example.com'
CGI = '/path/to/gyazo.php'
UA   = 'Gyazo/1.0'

data = <<EOF
--#{boundary}\r
content-disposition: form-data; name="id"\r
\r
#{id}\r
--#{boundary}\r
Content-Disposition: form-data; name="imagedata"; filename="#{tmpfile}"\r
Content-Type: image/png\r
\r
#{imagedata}\r
--#{boundary}--\r
EOF

header ={
  'Content-Length' => data.length.to_s,
  'Content-Type' => "multipart/form-data; boundary=#{boundary}",
  'User-Agent' => UA
}

Net::HTTP.start(HOST,80){|http|
  res = http.post(CGI,data,header)
  url = res.response.to_ary[1]
  system "echo -n #{url} | pbcopy"
  system "open #{url}"

  # save id
  newid = res.response['X-Gyazo-Id']
  if newid and newid != "" then
    if !File.exist?(File.dirname(idfile)) then
      Dir.mkdir(File.dirname(idfile))
    end
    if File.exist?(idfile) then
      File.rename(idfile, idfile+Time.new.strftime("_%Y%m%d%H%M%S.bak"))
    end
    File.open(idfile,"w").print(newid)
    if File.exist?(old_idfile) then
      File.delete(old_idfile)
    end
  end
}