is there any way to make an HTTP request inside a Zeppelin paragraph? e.g.
function get_app_name(){
//var xmlHttp = new XMLHttpRequest();
//xmlHttp.open( "GET", "https://example.com/application/key", true, 'username', 'password');
//xmlHttp.send( null );
URL url = new URL("https://example.com/application/key");
HttpURLConnection con = (HttpURLConnection) url.openConnection();
con.setRequestMethod("GET");
}
I cannot import any of the resources (e.g. URL) because the interpreter doesn't allow it (mongodb interpreter). Is there any way to make a simple GET request in Zeppelin? I'm trying to fetch data for my tables that is not in the specified db as the other elements.
From HTTP request inside MongoDB
%mongodb
function wget(url){
var tmp = "/tmp";
var id = new ObjectId();
var outFile= tmp+"/wget"+id;
var p = run("wget", "--user=user", "--password=password", "-o log", "--output-document="+outFile,url);
if (p==0){
var result = cat(outFile);
removeFile(outFile);
return result;
} else {
return "";
}
}
url = "https://exampleurl.com/resource"
result = wget(url)
print(result)
Related
I am trying to upload a file in Citrix ShareFile via REST API. There are four requests
Get the access_token
Get the folder URI's to decide n which I am going to upload the file.
Get chunk Uri
Upload the file in that chunk Uri
The first three steps work perfectly. When I am trying to POST a request for the no 4. part,
it is creating a file in sharefile but with size of 0.
I have tried that with POSTMAN, and with form-data and the selection of a file, it is working fine. The file is uploaded in sharefile.
The problem arises when I am trying to upload blob data.
I am calling this methods from Salesforce Platform and in Salesforce, I cannot get the physical file in a physical location. I have blob file data stored in salesforce database.
The below part works well.
String fileName_m = 'a12.pdf';
// Get Authentication Token
HttpRequest req = new HttpRequest();
req.setEndpoint('https://{server}.sf-api.com/oauth/token?grant_type=password&client_id={client_id}&client_secret={secret}&username={user_name}&password={password}!');
req.setMethod('GET');
Http http = new Http();
HttpResponse response = http.send(req);
System.Debug(response.getBody());
Map<String, Object> results = (Map<String, Object>)JSON.deserializeUntyped(response.getBody());
String token = '';
String refreshtoken = '';
if(response.getStatusCode() == 200){
token = (String)results.get('access_token');
refreshtoken = (String)results.get('refresh_token');
}
system.debug('token=' + token);
// Get Folder ID
HttpRequest req1 = new HttpRequest();
req1.setEndpoint('https://{server}.sf-api.com/sf/v3/Items?$expand=Children');
req1.setMethod('GET');
req1.setHeader('Authorization','Bearer ' + token);
Http http1 = new Http();
HttpResponse response1 = http1.send(req1);
System.Debug(response1.getBody());
Map<String, Object> results1 = (Map<String, Object>)JSON.deserializeUntyped(response1.getBody());
String url = '';
if(response1.getStatusCode() == 200){
url = (String)results1.get('url');
}
System.Debug('Folder Url ' + url);
// Get Chunk URI
HttpRequest req2 = new HttpRequest();
String endPoint = url + '/Upload2';
req2.setEndpoint(endPoint);
req2.setMethod('POST');
req2.setHeader('Authorization','Bearer ' + token);
req2.setHeader('Content-Type', 'application/x-www-form-urlencoded');
String payload1 = 'FileName='+fileName_m;
req2.setBody(payload1);
Http http2 = new Http();
HttpResponse response2 = http2.send(req2);
Map<String, Object> results2 = (Map<String, Object>)JSON.deserializeUntyped(response2.getBody());
String ChunkUri = '';
if(response2.getStatusCode() == 200){
ChunkUri = (String)results2.get('ChunkUri');
}
System.Debug('ChunkUri' + ChunkUri);
But, when I am trying to upload blob file data in sharefile, the API responds with a 200 status code. In sharefile, the file is created, but the size of the file is 0.
// Problem is here, it is not working
// Upload File
Attachment att = [SELECT Id, Body, Name, ContentType FROM Attachment WHERE Id='00P3p00001XNLOHEA5'];
String body = EncodingUtil.base64Encode(att.body);
List<Attachment> cvList = [SELECT Id, Body, Name, ContentType FROM Attachment WHERE Id='00P3p00001XNLOHEA5'];
String attachmentBody = EncodingUtil.base64Encode(cvList[0].Body);
Blob pdfBlob = EncodingUtil.base64Decode(attachmentBody);
system.debug('pdfBlob' + pdfBlob);
HttpRequest req3 = new HttpRequest();
req3.setEndpoint(ChunkUri);
req3.setMethod('POST');
req3.setHeader('Authorization','Bearer ' + token);
req3.setHeader('Content-Length', String.valueOf(attachmentBody.length()));
req3.setHeader('Content-Encoding', 'UTF-8');
req3.setHeader('Content-type', 'application/pdf');
req3.setHeader('Connection', 'keep-alive');
req3.setBodyAsBlob(pdfBlob);
Http http3 = new Http();
HttpResponse response3 = http3.send(req3);
System.Debug(response3.getBody());
How to solve the issue?
I am trying to upload an image file with graphql-dotnet, but it is never successful.
I am taking file object in my GraphQLController:
var files = this.Request.Form.Files;
var executionOptions = new ExecutionOptions
{
Schema = _schema,
Query = queryToExecute,
Inputs = inputs,
UserContext = files,
OperationName = query.OperationName
};
And here my Mutation:
Field<UserGraphType>(
"uploadUserAvatar",
Description="Kullanıcı resmi yükleme.",
arguments: new QueryArguments(
new QueryArgument<NonNullGraphType<IntGraphType>> { Name = "Id", Description = "Identity Alanı" }
),
resolve: context => {
var file = context.UserContext.As<IFormCollection>();
var model = userService.UploadAvatar(context.GetArgument<int>("Id"),file);
return true;
}
);
I think it is accepting the only JSON. It is not accepting the request as a file type.
Also I am using React & apollo-client at the client-side. It has an error in the console:
Failed to load http://localhost:5000/graphql: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://localhost:8080' is therefore not allowed access. The response had HTTP status code 500. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled.
I am trying to send the query like this:
const { selectedFile,id } = this.state
this.props.uploadAvatar({
variables: {id},
file:selectedFile
}).then(result => {
console.log(result);
});
What can I do to achieve this?
Failed to load http://localhost:5000/graphql: No
'Access-Control-Allow-Origin' header is present on the requested
resource. Origin 'http://localhost:8080' is therefore not allowed
access.
This error means you need to enable CORS.
See these docs: https://learn.microsoft.com/en-us/aspnet/core/security/cors?view=aspnetcore-2.1
Essentially you need these two things:
services.AddCors();
app.UseCors(builder =>
builder.WithOrigins("http://example.com"));
I would also suggest to look at this Deserializer helper function in the GraphQL.Relay project. It helps your server handle a multipart/form-data request. You can then use the parsed query information and files and pass it to the DocumentExecutor.
https://github.com/graphql-dotnet/relay/blob/master/src/GraphQL.Relay/Http/Deserializer.cs
public static class Deserializer
{
public static async Task<RelayRequest> Deserialize(Stream body, string contentType)
{
RelayRequest queries;
switch (contentType)
{
case "multipart/form-data":
queries = DeserializeFormData(body);
break;
case "application/json":
var stream = new StreamReader(body);
queries = DeserializeJson(await stream.ReadToEndAsync());
break;
default:
throw new ArgumentOutOfRangeException($"Unknown media type: {contentType}. Cannot deserialize the Http request");
}
return queries;
}
private static RelayRequest DeserializeJson(string stringContent)
{
if (stringContent[0] == '[')
return new RelayRequest(
JsonConvert.DeserializeObject<RelayQuery[]>(stringContent),
isBatched: true
);
if (stringContent[0] == '{')
return new RelayRequest() {
JsonConvert.DeserializeObject<RelayQuery>(stringContent)
};
throw new Exception("Unrecognized request json. GraphQL queries requests should be a single object, or an array of objects");
}
private static RelayRequest DeserializeFormData(Stream body)
{
var form = new MultipartFormDataParser(body);
var req = new RelayRequest()
{
Files = form.Files.Select(f => new HttpFile {
ContentDisposition = f.ContentDisposition,
ContentType = f.ContentType,
Data = f.Data,
FileName = f.FileName,
Name = f.Name
})
};
req.Add(new RelayQuery {
Query = form.Parameters.Find(p => p.Name == "query").Data,
Variables = form.Parameters.Find(p => p.Name == "variables").Data.ToInputs(),
});
return req;
}
}
I'd like to use Azure AD Api and I couldn't acquire token some reason. I have two methods, and I got this after calling:
TokenCache: No matching token was found in the cache iisexpress.exe Information: 0
Here's my code:
public string GetToken()
{
string authority = "https://login.microsoftonline.com/{tenantId}/";
string clientId = "";
string secret = "";
string resource = "https://graph.windows.net/";
var credential = new ClientCredential(clientId, secret);
AuthenticationContext authContext = new AuthenticationContext(authority);
//I think the problem is here:
var token = authContext.AcquireTokenAsync(resource, credential).Result.AccessToken;
return token;
}
public string MakeRequest()
{
string accessToken = GetToken();
var tenantId = "";
string graphResourceId = "https://graph.windows.net/";
Uri servicePointUri = new Uri(graphResourceId);
Uri serviceRoot = new Uri(servicePointUri, tenantId);
ActiveDirectoryClient client = new ActiveDirectoryClient(serviceRoot, async () => await Task.FromResult(accessToken));
foreach (var user in client.Users.ExecuteAsync().Result.CurrentPage)
Console.WriteLine(user.DisplayName);
var client1 = new HttpClient();
var uri = "https://graph.windows.net/" + tenantId + "/users?api-version=1.6";
client1.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", accessToken);
var response = client1.GetAsync(uri).Result;
var result = response.Content.ReadAsStringAsync().Result;
return result;
}
I don't know what's the problem, and I didn't find any great hint, under other questions and a little explanation would be helpful. I'd like to understand this part, of course.
//When you are calling
Main() { Method_A() }
aync Method_A() { await Method_B() }
Task < T > Method_B() { return T; }
//It will through the error. //Need to keep Mehtod_B in another Task and run.
// Here I am avoiding few asyncs
Main() { Method_A() }
Method_A() { Method_B().Wait() }
Task Method_B() { return T; }
There is no output using the Console.WriteLine in a IIS progress. If you want to output the result in a output window for the web project, you can use System.Diagnostics.Debug.WriteLine() method.
I am trying to do HTTPRequest Post via Google App Engine.
This is what I have so far
URL url = new URL("http://myurl.com/myfile.php");
HTTPRequest request = new HTTPRequest(url, HTTPMethod.POST);
request.setPayload(########);
HTTPResponse response = URLFetchServiceFactory.getURLFetchService().fetch(request);
Here I need to put some paired values (ie. "email","hi#example.com" etc)
Since setPayload accept byte[] I have no idea how to convert my paired values
into byte.
I have searched other posts but I am very stuck.
EDIT:
I have changed to this but it is still not working
byte[] data = ("EMAIL=bo0#gmail.com&TITLE=evolution&COMMENT=comments&PRICE=5000;").getBytes();
try {
URL url = new URL("http://www.bo.x10.mx/nPost.php");
HTTPRequest request = new HTTPRequest(url, HTTPMethod.POST);
request.setPayload(data);
HTTPResponse response = URLFetchServiceFactory.getURLFetchService().fetch(request);
This is what I have on php website.
<?php
include "path/conf.php"; //logging into database works
$tb_name = 'Post';
$EMAIL=$_POST['EMAIL'];
$TITLE =$_POST['TITLE'];
$COMMENT =$_POST['COMMENT'];
$PRICE =$_POST['PRICE'];
if(!isset($EMAIL) || !isset($TITLE ) || !isset($PRICE )|| !isset($COMMENT)){
header('HTTP/1.0 412 Precondition Failed', true, 412);
die('Bad data');
}
$sql="INSERT INTO $tb_name(EMAIL, TITLE, COMMENT, PRICE) VALUES ('$EMAIL', '$TITLE ', '$COMMENT ', '$PRICE ')";
$result=mysql_query($sql);
if($result==TRUE){
echo "successfully inserted into table!";}
else{
echo "error in inserting into table!";
header('HTTP/1.0 500 Internal Server Error', true, 500);}
ob_end_flush();
exit();
?>
EDIT2: This is a working code
try{
byte[] data = ("EMAIL=bo0#gmail.com&TITLE=evolution&COMMENT=comments&PRICE=5000").getBytes("UTF-8");
URL url = new URL("http://www.box.com/nost.php");
HTTPRequest request = new HTTPRequest(url, HTTPMethod.POST);
request.setPayload(data);
HTTPResponse response = URLFetchServiceFactory.getURLFetchService().fetch(request);
}
My database string field is of type UTF-8
You create a String with the request body, and then you get the byte array. For example we have:
URL url = new URL("http://myurl.com/myfile.php");
HTTPRequest request = new HTTPRequest(url, HTTPMethod.POST);
String body = "email=" + email + "&mpla=" + mpla;
request.setPayload(body.getBytes("UTF-8"));
HTTPResponse response = URLFetchServiceFactory.getURLFetchService().fetch(request);
Hope this helps!
I'm writing a simple Silverlight application in which I have the following code, which I think is pretty standard:
WebRequest.RegisterPrefix("http://", WebRequestCreator.ClientHttp);
var request = new WebClient();
var cred = new NetworkCredential(Server.UserName, Server.Password);
request.Credentials = cred;
request.UseDefaultCredentials = false;
request.DownloadStringCompleted += TestServerCompleted;
var uri = new Uri(Server.GetRequestUrl(Methods.ping));
request.DownloadStringAsync(uri);
Yet when I view the request in Fiddler, no credentials are added to the headers. What am I missing? Shouldn't there be an "Authorization: Basic ..." header in there?
Try with something like this.
HttpWebRequest.RegisterPrefix("http://", WebRequestCreator.ClientHttp);
HttpWebRequest req = (HttpWebRequest)HttpWebRequest.Create(url);
req.UseDefaultCredentials = false;
req.Credentials = ew NetworkCredential(Server.UserName, Server.Passwor
req.ContentType = "text/xml;charset=\"utf-8\"";
req.Accept = "text/xml";
req.Method = "POST";
return req;
req.BeginGetResponse((IAsyncResult asynchronousResultResponse) =>
{
try
{
HttpWebRequest requestResponse = (HttpWebRequest)asynchronousResultResponse.AsyncState;
HttpWebResponse response = (HttpWebResponse)requestResponse.EndGetResponse(asynchronousResultResponse);
Stream streamResponse = response.GetResponseStream();
StreamReader streamRead = new StreamReader(streamResponse);
string responseString = streamRead.ReadToEnd();
//Your response is here in responseString
streamResponse.Close();
streamRead.Close();
response.Close();
}
catch (Exception e)
{
Callback(null, e);
}
}, webRequest);
I Hope it can help, even 2 months later...