CURL - php vs command line bash

Question

From bash terminal, I successfully executed the following command.

curl -v -L -F file='@/var/www/dev/public_html/sixties.mov' -F title='my video' -F description='this is a video' -F language='eng' -F license='a2be14e1-37d9-11dd-ae16-0800200c9a66' -F country='US' http://johnuser:[email protected]/api/media

Now I want to create a PHP script that uses the phpcurl library to execute an equivalent command. My code below is shown, but it's not working. The http://johnuser:[email protected]/api/media server is giving me a generic error message. I'm pretty sure I'm making a mistake by not passing the right parameters or setting the right flags in my php code. Can anyone tell me what's wrong?

$url = 'http://johnuser:[email protected]/api/media';

$fields = array();
$fields['file'] = '@/var/www/dev/public_html/sixties.mov';
$fields['title'] = 'my video';
$fields['description'] = 'this is a test';
$fields['language'] = 'eng';
$fields['country'] = 'US';
$fields['license'] = 'a2be14e1-37d9-11dd-ae16-0800200c9a66';

foreach($fields as $key=>$value) { $fields_string .= $key.'='.$value.'&'; }
rtrim($fields_string,'&');

$ch = curl_init();

//set the url, number of POST vars, POST data
curl_setopt($ch,CURLOPT_URL,$url);
curl_setopt($ch,CURLOPT_POST,count($fields));
curl_setopt($ch,CURLOPT_POSTFIELDS,$fields_string);
curl_setopt($ch,CURLOPT_RETURNTRANSFER, true);

//execute post
$result = curl_exec($ch);

//close connection
curl_close($ch);
print_r($result);

The error message I got is {"status":{"message":"typeMismatch ","error":true,"code":500}}

You could try taking the username/password out of the URL and doing curl_setopt($ch, CURLOPT_USERPWD, "johnuser:johnpass");, although I don't know if this will make a difference — DaveRandom
– DaveRandom, Commented Dec 10, 2011 at 17:48
the error message is really {"status":{"message":"typeMismatch ","error":true,"code":500}} — learningtech
– learningtech, Commented Dec 10, 2011 at 17:49
If that's your error message I would consult the API documentation of the service you're querying to see what code 500 means. An off the cuff guess seems like a 500 internal server error, which, if it were the case wouldn't be something you could help. — user895378
– user895378, Commented Dec 10, 2011 at 17:51

DaveRandom · Accepted Answer · 2011-12-10 21:30:22Z

I think this is what you need to be doing, if you want upload a file:

// Parameters
$url = 'http://website.com/api/media';
$username = 'johnuser';
$password = 'johnpass';
$upload_file = '/var/www/dev/public_html/sixties.mov';

// Declare a couple of arrays we will need
$fields = $headers = array();

// Standard POST fields
$fields['title'] = 'my video';
$fields['description'] = 'this is a test';
$fields['language'] = 'eng';
$fields['country'] = 'US';
$fields['license'] = 'a2be14e1-37d9-11dd-ae16-0800200c9a66';

// Boundary string for multipart message
$boundary = '--=-=-'.md5(uniqid()).rand().'-=-=--';

// Start the body with the file to be uploaded
$body = "--$boundary\r\n"
      . "Content-Disposition: form-data; name=\"file\"; filename=\"".basename($upload_file)."\"\r\n"
      . "Content-Type: application/octet-stream\r\n" // You should put the right MIME type here
      . "\r\n"
      . file_get_contents($upload_file) . "\r\n";

// Loop the fields and build the rest of the body
foreach ($fields as $name => $value) {
  $body .= "--$boundary\r\n"
         . "Content-Disposition: form-data; name=\"$name\"\r\n"
         . "\r\n"
         . "$value\r\n";
}

// Finish the body
$body .= "--$boundary--";

// Add a couple of headers
$headers[] = "Content-Type: multipart/form-data; boundary=\"$boundary\"";
$headers[] = 'Content-Length: ' . strlen($body);

$ch = curl_init();

// Set the cURL options
curl_setopt($ch, CURLOPT_URL,            $url);
curl_setopt($ch, CURLOPT_USERPWD,        "$username:$password");
curl_setopt($ch, CURLOPT_POST,           TRUE);
curl_setopt($ch, CURLOPT_POSTFIELDS,     $body);
curl_setopt($ch, CURLOPT_HTTPHEADER,     $headers);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);

// Execute post
$result = curl_exec($ch);

// Close connection
curl_close($ch);
print_r($result);

POST file uploads are done with a MIME multipart message, using the multipart/form-data sub-type.

yes, that worked. Except there's just one typing mistake...I need to add a period to $body = "--$boundary\r\n" to make it $body = "--$boundary\r\n"

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