Library and examples of parsing multipart/form-data from inputstream

Example code using deprecated constructor: import java.io.ByteArrayInputStream; import org.apache.commons.fileupload.MultipartStream; public class MultipartTest { // Lines should end with CRLF public static final String MULTIPART_BODY = “Content-Type: multipart/form-data; boundary=–AaB03x\r\n” + “\r\n” + “—-AaB03x\r\n” + “Content-Disposition: form-data; name=\”submit-name\”\r\n” + “\r\n” + “Larry\r\n” + “—-AaB03x\r\n” + “Content-Disposition: form-data; name=\”files\”; filename=\”file1.txt\”\r\n” + “Content-Type: text/plain\r\n” + “\r\n” + “HELLO WORLD!\r\n” … Read more

CORS request is preflighted, but it seems like it should not be

I ended up checking out the Webkit source code in an attempt to figure this out (after Google did not yield any helpful hits). It turns out that Webkit will force any cross-origin request to be preflighted simply if you register an onprogress event handler. I’m not entirely sure, even after reading the code comments, … Read more

C#: HttpClient, File upload progress when uploading multiple file as MultipartFormDataContent

I have a working version of ProgressableStreamContent. Please note, I am adding headers in the constructor, this is a bug in original ProgressStreamContent that it does not add headers !! internal class ProgressableStreamContent : HttpContent { /// <summary> /// Lets keep buffer of 20kb /// </summary> private const int defaultBufferSize = 5*4096; private HttpContent content; … Read more

How to create a FastAPI endpoint that can accept either Form or JSON body?

Option 1 You could do that by having a dependency function, where you check the value of the Content-Type request header and parse the body using Starlette’s methods, accordingly. Note that just because a request’s Content-Type header says, for instance, application/json, application/x-www-form-urlencoded or multipart/form-data, doesn’t always mean that this is true, or that the incoming … Read more

How to send JSON as part of multipart POST-request

You are setting the header yourself, including a boundary. Don’t do this; requests generates a boundary for you and sets it in the header, but if you already set the header then the resulting payload and the header will not match. Just drop you headers altogether: def send_request(): payload = {“param_1”: “value_1”, “param_2”: “value_2”} files … Read more

jQuery AJAX ‘multipart/form-data’ Not Sending Data?

You have to pass the FormData object as the data parameter var request = new FormData(); $.each(context.prototype.fileData, function(i, obj) { request.append(i, obj.value.files[0]); }); request.append(‘action’, ‘upload’); request.append(‘id’, response.obj.id); $.ajax({ type : ‘POST’, url : context.controller, data : request, processData : false, contentType : false, success : function(r) { console.log(r); //if (errors != null) { } else … Read more

Can I append an array to ‘formdata’ in javascript?

How about this? formdata.append(‘tags’, JSON.stringify(tags)); … and, correspondingly, using json_decode on server to deparse it. See, the second value of FormData.append can be… a Blob, File, or a string, if neither, the value is converted to a string The way I see it, your tags array contains objects (@Musa is right, btw; making this_tag an … Read more

Angularjs how to upload multipart form data and a file?

First of all You don’t need any special changes in the structure. I mean: html input tags. <input accept=”image/*” name=”file” ng-value=”fileToUpload” value=”{{fileToUpload}}” file-model=”fileToUpload” set-file-data=”fileToUpload = value;” type=”file” id=”my_file” /> 1.2 create own directive, .directive(“fileModel”,function() { return { restrict: ‘EA’, scope: { setFileData: “&” }, link: function(scope, ele, attrs) { ele.on(‘change’, function() { scope.$apply(function() { var … Read more