NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:#"riderfinder.appspot.com/login"]];
[request setHTTPMethod:#"POST"];
[request setValue:#"text/plain"
forHTTPHeaderField:#"Content-type"];
NSString *body = #"username=";
[body stringByAppendingString:accountEntered];
[body stringByAppendingString:#"&"];
[body stringByAppendingString:#"password="];
[body stringByAppendingString:passwordEntered];
NSMutableData *data = [[NSMutableData data] initWithString:body];
//Crashes everything with "SIGABRT" warning/error. Nothing else is said.
[request setHTTPBody:data];
I would appreciate it if anyone has any idea what is going wrong. I narrowed it down to the last line causing the crash through Apple's debugger. Thank you very much!
There are 2 errors:
body is not appended, [body stringByAppendingString:accountEntered] should be body=[body stringByAppendingString:accountEntered]
NSMutableData *data = [[NSMutableData data] initWithString:body]; is not correct used,you can use NSData *data=[body dataUsingEncoding:NSUTF8StringEncoding];
so i modified the code:
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:#"riderfinder.appspot.com/login"]];
[request setHTTPMethod:#"POST"];
[request setValue:#"text/plain" forHTTPHeaderField:#"Content-type"];
NSString *body = #"username=";
body=[body stringByAppendingString:accountEntered];
body=[body stringByAppendingString:#"&"];
body=[body stringByAppendingString:#"password="];
body=[body stringByAppendingString: passwordEntered];
//NSMutableData *data = [[NSMutableData data] initWithString:body];
NSData *data=[body dataUsingEncoding:NSUTF8StringEncoding];
[request setHTTPBody:data];
First,you should make 'accountEntered' and 'passwordEntered' not nil.
If you have done that,you should set breakpoint to know exactly which line crashes.Usually, "SIGABRT" error means you release more or unrecogized selector .
The code on answer 1 is right.
Related
Im using codes posted here:
connection release method in connectionDidFinishLoading, causes error
now first execute returns didFail log.
second execute; returns old response data.
albeit my (localhost) server is totally offline.
and cachePolicy is NSURLCacheStorageNotAllowed (check the code on the link I posted above)
NSMutableURLRequest *request=
[NSMutableURLRequest requestWithURL:url
cachePolicy:NSURLCacheStorageNotAllowed timeoutInterval:3.0f];
the response data seems cached somewhere and still exists.
but if I use NSURLRequestReloadIgnoringLocalAndRemoteCacheData //which is commented as -not implemented-
not returns old cache.
but if so what is the difference between:
NSURLRequestReloadIgnoringLocalAndRemoteCacheData
and
NSURLCacheStorageNotAllowed
what shall I do ?
NSURLCacheStorageNotAllowed refers to NSCachedURLResponse and is an value of enum NSURLCacheStoragePolicy. Since the cache policy of NSMutableURLRequest is also an enum (NSURLRequestCachePolicy) you just pass wrong int to the static method creating NSMutableURLRequest. In this case NSURLCacheStorageNotAllowed is just 2 which equals to NSURLRequestReturnCacheDataElseLoad - and that is why you get old data.
Try This
NSString *Post = [[NSString alloc] initWithFormat:#"Post Parameters"];
NSURL *Url = [NSURL URLWithString:#"Url"];
NSData *PostData = [Post dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES];
NSString *postLength = [NSString stringWithFormat:#"%d", [PostData length]];
NSMutableURLRequest *Request = [[NSMutableURLRequest alloc] init];
[Request setURL:Url];
[Request setHTTPMethod:#"POST"];
[Request setValue:postLength forHTTPHeaderField:#"Content-Length"];
[Request setValue:#"application/json" forHTTPHeaderField:#"Accept"];
[Request setValue:#"application/x-www-form-urlencoded" forHTTPHeaderField:#"Content-Type"];
[Request setHTTPBody:PostData];
NSError *error;
NSURLResponse *response;
NSData *Result = [NSURLConnection sendSynchronousRequest:Request returningResponse:&response error:&error];
if (!Result)
{
NSLog(#"Error");
}
else
{
//Parse the result
}
I am writing an HTTP Post request, but for some reason the parameters are not being added correctly, and I can't for the life of me figure out what I'm doing wrong. Here's what I have:
NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];
[request setCachePolicy:NSURLRequestReloadIgnoringLocalCacheData];
[request setHTTPShouldHandleCookies:NO];
[request setTimeoutInterval:30];
[request setHTTPMethod:#"POST"];
NSString *boundary = #"---------------------------14737809831466499882746641449";
// set Content-Type in HTTP header
NSString *contentType = [NSString stringWithFormat:#"text; boundary=%#", boundary];
[request setValue:contentType forHTTPHeaderField: #"Content-Type"];
// post body
NSMutableData *body = [NSMutableData data];
// Dictionary that holds post parameters.
NSMutableDictionary* _params = [[NSMutableDictionary alloc] init];
[_params setObject:subject forKey:#"subject"];
[_params setObject:message forKey:#"message"];
[_params setObject:[[UIDevice currentDevice] systemName] forKey:#"device"];
// add params
for (NSString *param in _params) {
[body appendData:[[NSString stringWithFormat:#"--%#\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:#"Content-Disposition: form-data; name=\"%#\"\r\n\r\n", param] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:#"%#\r\n", [_params objectForKey:param]] dataUsingEncoding:NSUTF8StringEncoding]];
}
// the server url
NSURL* requestURL = [NSURL URLWithString:CIVCManifest.contactFeed];
[body appendData:[[NSString stringWithFormat:#"--%#--\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// setting the body of the post to the reqeust
[request setHTTPBody:body];
// set the content-length
NSString *postLength = [NSString stringWithFormat:#"%d", [body length]];
[request setValue:postLength forHTTPHeaderField:#"Content-Length"];
// set URL
[request setURL:requestURL];
NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
The request is getting through, however all the parameters are not being added properly. I had a Post script working that would upload a photo, and I copied and pasted most of it over to this one, but somehow this one is not working. Hopefully it's just a simple error I'm missing.
Try this
NSString *Post = [[NSString alloc] initWithFormat:#"Post Parameters"];
NSURL *Url = [NSURL URLWithString:#"Url"];
NSData *PostData = [Post dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES];
NSString *postLength = [NSString stringWithFormat:#"%d", [PostData length]];
NSMutableURLRequest *Request = [[NSMutableURLRequest alloc] init];
[Request setURL:Url];
[Request setHTTPMethod:#"POST"];
[Request setValue:postLength forHTTPHeaderField:#"Content-Length"];
[Request setValue:#"application/json" forHTTPHeaderField:#"Accept"];
[Request setValue:#"application/x-www-form-urlencoded" forHTTPHeaderField:#"Content-Type"];
[Request setHTTPBody:PostData];
I am trying to post data to a PHP web service.
I am familiar doing this in html using query $.post but I am very much stumped trying this in objective C.
I tried several blogs & questions found on stackoverflow.
I finally came up with the following code:
NSString *jsonRequest = [NSString stringWithFormat:#"{\"Email\":\"%#\",\"FirstName\":\"%#\"}",user,fname];
NSLog(#"Request: %#", jsonRequest);
NSURL *url = [NSURL URLWithString:#"http:myurl..."];
NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:url];
NSData *requestData = [NSData dataWithBytes:[jsonRequest UTF8String] length:[jsonRequest length]];
[request setHTTPMethod:#"POST"];
[request setValue:#"application/json" forHTTPHeaderField:#"Accept"];
[request setValue:#"application/json" forHTTPHeaderField:#"Content-Type"];
[request setValue:[NSString stringWithFormat:#"%d", [requestData length]] forHTTPHeaderField:#"Content-Length"];
[request setHTTPBody: requestData];
NSURLConnection *connection = [NSURLConnection connectionWithRequest:request delegate:self];
I also tried:
NSURLConnection *connection = [[NSURLConnection alloc] initWithRequest:request delegate:self];
My web service creates a new user on post and returns the userID.
Both successfully make the web service call(a new userID is created), however they do not post the data, i.e. a blank user is created every time.
Please tell me if I am missing anything.
Thanks.
My other attempts:
NSMutableURLRequest *request =
[[NSMutableURLRequest alloc] initWithURL:
[NSURL URLWithString:#"myUrl.. "]];
[request setHTTPMethod:#"POST"];
NSString *postString = #"Email=me#test.com&FirstName=Test";
[request setValue:[NSString
stringWithFormat:#"%d", [postString length]]
forHTTPHeaderField:#"Content-length"];
[request setHTTPBody:[postString
dataUsingEncoding:NSUTF8StringEncoding]];
[[NSURLConnection alloc]
initWithRequest:request delegate:self];
I finally solved the issue:
FInally, figured out what was wrong. I was using http://mypath?params=123 as my url. I did not gig the complete url(never needed it in other languages). But here I needed to give htt://mypath/index.php?params=123
I think you would be better off using the NSJSONSerialization class like this:
NSDictionary *tmp = [[NSDictionary alloc] initWithObjectsAndKeys:
email, #"Email",
fname, #"FirstName",
nil];
NSError *error;
NSData *postdata = [NSJSONSerialization dataWithJSONObject:tmp options:0 error:&error];
[request setHTTPBody:postData];
Using a dictionary and then converting it to JSON it's easier than creating it like a string.
Good luck!
[SWIFT 3.0] (update)
let tmp = ["email": email,
"FirstName": fname]
let postData = try? JSONSerialization.data(withJSONObject: tmp, options: .prettyPrinted)
request.httpBody = postData
I have run your code, and server side receive all message.
POST / HTTP/1.1
Host: linux-test
User-Agent: demoTest/1.0 CFNetwork/548.1.4 Darwin/11.3.0
Content-Length: 44
Accept: application/json
Content-Type: application/json
Accept-Language: en
Accept-Encoding: gzip, deflate
Connection: keep-alive
{"Email":"test#test.com","FirstName":"test"}
And follow code, if jsonRequest has Non-ASCII characters， the [jsonRequest length] will be wrong.
NSData *requestData = [NSData dataWithBytes:[jsonRequest UTF8String] length:[jsonRequest length]];
You can use strlen instead.
NSData *requestData = [NSData dataWithBytes:[jsonRequest UTF8String] length:strlen([jsonRequest UTF8String])];
or
[jsonRequest dataUsingEncoding:NSUTF8StringEncoding];
Try this one
NSData *requestData = [jsonRequest dataUsingEncoding:NSUTF8StringEncoding];
NSURL *url=[NSURL URLWithString:[NSString stringWithFormat:#"%#posts", SeverURL]];
ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:url];
[request setRequestMethod:#"POST"];
[request addRequestHeader:#"content-type" value:#"application/json"];
[request addRequestHeader:#"User-Agent" value:#"iOS"];
request.allowCompressedResponse = NO;
request.useCookiePersistence = NO;
request.shouldCompressRequestBody = NO;
request.delegate=self;
NSString *json=[[self prepareData] JSONRepresentation];//SBJSON lib, convert a dict to json string
[request appendPostData:[NSMutableData dataWithData:[json dataUsingEncoding:NSUTF8StringEncoding]]];
[request startSynchronous];
I'm trying to do a simple POST request to a server, with this code:
NSString *post = [[NSString alloc] initWithFormat:#"email=%#&password=%#", self.email.text, ..]; // .. simplified keychainItem
NSData *postEncoded = [post dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:NO];
NSString *postLength = [NSString stringWithFormat:#"%d", [postEncoded length]];
NSURL *url = [NSURL URLWithString:#"http://eng.studev.groept.be/web2.0/a11_web02/testApp.php"];
NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];
[request setURL:url];
[request setHTTPMethod:#"POST"];
[request setValue:postLength forHTTPHeaderField:#"Content-Length"];
[request setValue:#"application/x-www-form-urlencoded" forHTTPHeaderField:#"Content-Type"];
[request setHTTPBody:postEncoded];
self.connection = [NSURLConnection connectionWithRequest:request delegate:self];
When debugging on the server, this actually results in a GET request. That explains why I'm getting a PHP error when trying to read $_POST[ ] variables. Bottom line: why isn't the setHTTPMethod: being accepted?
(extra information: when just coding in PHP on the server, use of POST works normally)
How does one post xml as parameter with Objective C?
I've sent a username and a password in xml to the server. I've tried using ASIFormDataRequest. I've posted xml and the server've given the error that is "username or password is false". I think the server doesn't parse the posting xml. Is there any way to post xml as parameter?
NSURL *url = [NSURL URLWithString:#"url code"];
ASIFormDataRequest *request1 =[ASIFormDataRequest requestWithURL:url];
[request1 setPostValue:"xml block" forKey:#"data"];
[request1 addRequestHeader:#"Content-Type" value:#"application/xml;"];
[request1 setDelegate:self];
[request1 startSynchronous];
Yes, it is. Look at my example:
NSString *message = [[NSString alloc] initWithFormat:#"<?xml version=\"1.0\" ?>\n<parameters></parameters>"];
url = [NSURL URLWithString:#"https://https_url.com"];
request = [NSMutableURLRequest requestWithURL:url];
NSString *msgLength = [NSString stringWithFormat:#"%d",[message length]];
[request addValue:#"application/xml; charset=utf-8" forHTTPHeaderField:#"Content-Type"];
[request addValue:msgLength forHTTPHeaderField:#"Content-Length"];
[request setHTTPMethod:#"POST"];
[request setHTTPBody:[message dataUsingEncoding:NSUTF8StringEncoding]];
[message release];