Send HTTP request manually via socket
Two things: You should use println instead of print to print your entries to separate lines. HTTP request should end in a blank line (link). So add pw.println(“”);
http-headers
How to know if an HTTP request header value exists
if (Request.Headers[“XYZComponent”].Count() > 0) … will attempted to count the number of characters in the returned string, but if the header doesn’t exist it will return NULL, hence why it’s throwing an exception. Your second example effectively does the same thing, it will search through the collection of Headers and return NULL if it doesn’t … Read more
Echo curl request header & body without sending it?
A HTTP request is constructed with a request line, headers and a body. curl does not seem to have a flag to do a “dry-run”. Depending on your needs, you might be able to see what you want using netcat as a proxy: $ nc -l localhost 8000 & [1] 3150 $ curl –proxy localhost:8000 … Read more
How do I create a HTTP Client Request with a cookie?
This answer is deprecated, please see @ankitjaininfo’s answer below for a more modern solution Here’s how I think you make a POST request with data and a cookie using just the node http library. This example is posting JSON, set your content-type and content-length accordingly if you post different data. // NB:- node’s http client … Read more
How to encode UTF8 filename for HTTP headers? (Python, Django)
This is a FAQ. There is no interoperable way to do this. Some browsers implement proprietary extensions (IE, Chrome), other implement RFC 2231 (Firefox, Opera). See test cases at http://greenbytes.de/tech/tc2231/. Update: as of November 2012, all current desktop browsers support the encoding defined in RFC 6266 and RFC 5987 (Safari >= 6, IE >= 9, … Read more
Send multipart/form-data files with angular using $http
Take a look at the FormData object: https://developer.mozilla.org/en/docs/Web/API/FormData this.uploadFileToUrl = function(file, uploadUrl){ var fd = new FormData(); fd.append(‘file’, file); $http.post(uploadUrl, fd, { transformRequest: angular.identity, headers: {‘Content-Type’: undefined} }) .success(function(){ }) .error(function(){ }); }
Show image using file_get_contents
You can use readfile and output the image headers which you can get from getimagesize like this: $remoteImage = “http://www.example.com/gifs/logo.gif”; $imginfo = getimagesize($remoteImage); header(“Content-type: {$imginfo[‘mime’]}”); readfile($remoteImage); The reason you should use readfile here is that it outputs the file directly to the output buffer where as file_get_contents will read the file into memory which is … Read more
What does vary:accept-encoding mean?
It is allowing the cache to serve up different cached versions of the page depending on whether or not the browser requests GZIP encoding or not. The vary header instructs the cache to store a different version of the page if there is any variation in the indicated header. As things stand, there will be … Read more
What does the HTTP header If-None-Match: * mean?
The answer is: it depends. Suppose we have received If-None-Match: * If-Modified-Since: <yesterday date> And the page has been altered today. First, we take a look at the * which tells us: “Return 304 if the resource is there and condition (2) is met”. Fine, the resource exists, BUT condition (2) states: “Only return 304, … Read more
Accept and Accept-Charset – Which is superior?
Altough you can set media type in Accept header, the charset parameter definition for that media type is not defined anywhere in RFC 2616 (but it is not forbidden, though). Therefore if you are going to implement a HTTP 1.1 compliant server, you shall first look for Accept-charset header, and then search for your own … Read more